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Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next

Browse Source
This commit is contained in:
David S. Miller 2012-04-12 20:12:31 -04:00
commit 816a7854d5
165 changed files with 5429 additions and 3021 deletions
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2
Documentation/DocBook/80211.tmpl
View File

@ -516,7 +516,7 @@
!Finclude/net/mac80211.h ieee80211_start_tx_ba_cb_irqsafe
!Finclude/net/mac80211.h ieee80211_stop_tx_ba_session
!Finclude/net/mac80211.h ieee80211_stop_tx_ba_cb_irqsafe
!Finclude/net/mac80211.h rate_control_changed
!Finclude/net/mac80211.h ieee80211_rate_control_changed
!Finclude/net/mac80211.h ieee80211_tx_rate_control
!Finclude/net/mac80211.h rate_control_send_low
</chapter>

10
Documentation/networking/mac80211-auth-assoc-deauth.txt
View File

@ -23,7 +23,7 @@ BA session stop & deauth/disassoc frames
end note
end
mac80211->driver: config(channel, non-HT)
mac80211->driver: config(channel, channel type)
mac80211->driver: bss_info_changed(set BSSID, basic rate bitmap)
mac80211->driver: sta_state(AP, exists)
@ -51,7 +51,7 @@ note over mac80211,driver: cleanup like for authenticate
end
alt not previously authenticated (FT)
mac80211->driver: config(channel, non-HT)
mac80211->driver: config(channel, channel type)
mac80211->driver: bss_info_changed(set BSSID, basic rate bitmap)
mac80211->driver: sta_state(AP, exists)
mac80211->driver: sta_state(AP, authenticated)
@ -67,10 +67,6 @@ end
mac80211->driver: set up QoS parameters
alt is HT channel
mac80211->driver: config(channel, HT params)
end
mac80211->driver: bss_info_changed(QoS, HT, associated with AID)
mac80211->userspace: associated
@ -95,5 +91,5 @@ mac80211->driver: sta_state(AP,exists)
mac80211->driver: sta_state(AP,not-exists)
mac80211->driver: turn off powersave
mac80211->driver: bss_info_changed(clear BSSID, not associated, no QoS, ...)
mac80211->driver: config(non-HT channel type)
mac80211->driver: config(channel type to non-HT)
mac80211->userspace: disconnected

42
drivers/net/wireless/ath/ath5k/ani.c
View File

@ -14,6 +14,8 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "ath5k.h"
#include "reg.h"
#include "debug.h"
@ -728,33 +730,25 @@ void
ath5k_ani_print_counters(struct ath5k_hw *ah)
{
/* clears too */
printk(KERN_NOTICE "ACK fail\t%d\n",
ath5k_hw_reg_read(ah, AR5K_ACK_FAIL));
printk(KERN_NOTICE "RTS fail\t%d\n",
ath5k_hw_reg_read(ah, AR5K_RTS_FAIL));
printk(KERN_NOTICE "RTS success\t%d\n",
ath5k_hw_reg_read(ah, AR5K_RTS_OK));
printk(KERN_NOTICE "FCS error\t%d\n",
ath5k_hw_reg_read(ah, AR5K_FCS_FAIL));
pr_notice("ACK fail\t%d\n", ath5k_hw_reg_read(ah, AR5K_ACK_FAIL));
pr_notice("RTS fail\t%d\n", ath5k_hw_reg_read(ah, AR5K_RTS_FAIL));
pr_notice("RTS success\t%d\n", ath5k_hw_reg_read(ah, AR5K_RTS_OK));
pr_notice("FCS error\t%d\n", ath5k_hw_reg_read(ah, AR5K_FCS_FAIL));
/* no clear */
printk(KERN_NOTICE "tx\t%d\n",
ath5k_hw_reg_read(ah, AR5K_PROFCNT_TX));
printk(KERN_NOTICE "rx\t%d\n",
ath5k_hw_reg_read(ah, AR5K_PROFCNT_RX));
printk(KERN_NOTICE "busy\t%d\n",
ath5k_hw_reg_read(ah, AR5K_PROFCNT_RXCLR));
printk(KERN_NOTICE "cycles\t%d\n",
ath5k_hw_reg_read(ah, AR5K_PROFCNT_CYCLE));
pr_notice("tx\t%d\n", ath5k_hw_reg_read(ah, AR5K_PROFCNT_TX));
pr_notice("rx\t%d\n", ath5k_hw_reg_read(ah, AR5K_PROFCNT_RX));
pr_notice("busy\t%d\n", ath5k_hw_reg_read(ah, AR5K_PROFCNT_RXCLR));
pr_notice("cycles\t%d\n", ath5k_hw_reg_read(ah, AR5K_PROFCNT_CYCLE));
printk(KERN_NOTICE "AR5K_PHYERR_CNT1\t%d\n",
ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1));
printk(KERN_NOTICE "AR5K_PHYERR_CNT2\t%d\n",
ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2));
printk(KERN_NOTICE "AR5K_OFDM_FIL_CNT\t%d\n",
ath5k_hw_reg_read(ah, AR5K_OFDM_FIL_CNT));
printk(KERN_NOTICE "AR5K_CCK_FIL_CNT\t%d\n",
ath5k_hw_reg_read(ah, AR5K_CCK_FIL_CNT));
pr_notice("AR5K_PHYERR_CNT1\t%d\n",
ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT1));
pr_notice("AR5K_PHYERR_CNT2\t%d\n",
ath5k_hw_reg_read(ah, AR5K_PHYERR_CNT2));
pr_notice("AR5K_OFDM_FIL_CNT\t%d\n",
ath5k_hw_reg_read(ah, AR5K_OFDM_FIL_CNT));
pr_notice("AR5K_CCK_FIL_CNT\t%d\n",
ath5k_hw_reg_read(ah, AR5K_CCK_FIL_CNT));
}
#endif

29
drivers/net/wireless/ath/ath5k/ath5k.h
View File

@ -76,26 +76,29 @@
GENERIC DRIVER DEFINITIONS
\****************************/
#define ATH5K_PRINTF(fmt, ...) \
printk(KERN_WARNING "%s: " fmt, __func__, ##__VA_ARGS__)
#define ATH5K_PRINTF(fmt, ...) \
pr_warn("%s: " fmt, __func__, ##__VA_ARGS__)
#define ATH5K_PRINTK(_sc, _level, _fmt, ...) \
printk(_level "ath5k %s: " _fmt, \
((_sc) && (_sc)->hw) ? wiphy_name((_sc)->hw->wiphy) : "", \
##__VA_ARGS__)
void __printf(3, 4)
_ath5k_printk(const struct ath5k_hw *ah, const char *level,
const char *fmt, ...);
#define ATH5K_PRINTK_LIMIT(_sc, _level, _fmt, ...) do { \
if (net_ratelimit()) \
ATH5K_PRINTK(_sc, _level, _fmt, ##__VA_ARGS__); \
} while (0)
#define ATH5K_PRINTK(_sc, _level, _fmt, ...) \
_ath5k_printk(_sc, _level, _fmt, ##__VA_ARGS__)
#define ATH5K_INFO(_sc, _fmt, ...) \
#define ATH5K_PRINTK_LIMIT(_sc, _level, _fmt, ...) \
do { \
if (net_ratelimit()) \
ATH5K_PRINTK(_sc, _level, _fmt, ##__VA_ARGS__); \
} while (0)
#define ATH5K_INFO(_sc, _fmt, ...) \
ATH5K_PRINTK(_sc, KERN_INFO, _fmt, ##__VA_ARGS__)
#define ATH5K_WARN(_sc, _fmt, ...) \
#define ATH5K_WARN(_sc, _fmt, ...) \
ATH5K_PRINTK_LIMIT(_sc, KERN_WARNING, _fmt, ##__VA_ARGS__)
#define ATH5K_ERR(_sc, _fmt, ...) \
#define ATH5K_ERR(_sc, _fmt, ...) \
ATH5K_PRINTK_LIMIT(_sc, KERN_ERR, _fmt, ##__VA_ARGS__)
/*

2
drivers/net/wireless/ath/ath5k/attach.c
View File

@ -20,6 +20,8 @@
* Attach/Detach Functions and helpers *
\*************************************/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/pci.h>
#include <linux/slab.h>
#include "ath5k.h"

22
drivers/net/wireless/ath/ath5k/base.c
View File

@ -40,6 +40,8 @@
*
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
@ -3038,3 +3040,23 @@ ath5k_set_beacon_filter(struct ieee80211_hw *hw, bool enable)
ath5k_hw_set_rx_filter(ah, rfilt);
ah->filter_flags = rfilt;
}
void _ath5k_printk(const struct ath5k_hw *ah, const char *level,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
if (ah && ah->hw)
printk("%s" pr_fmt("%s: %pV"),
level, wiphy_name(ah->hw->wiphy), &vaf);
else
printk("%s" pr_fmt("%pV"), level, &vaf);
va_end(args);
}

17
drivers/net/wireless/ath/ath5k/debug.c
View File

@ -57,6 +57,9 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGES.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/export.h>
#include <linux/moduleparam.h>
@ -247,10 +250,10 @@ static ssize_t write_file_beacon(struct file *file,
if (strncmp(buf, "disable", 7) == 0) {
AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
printk(KERN_INFO "debugfs disable beacons\n");
pr_info("debugfs disable beacons\n");
} else if (strncmp(buf, "enable", 6) == 0) {
AR5K_REG_ENABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
printk(KERN_INFO "debugfs enable beacons\n");
pr_info("debugfs enable beacons\n");
}
return count;
}
@ -450,19 +453,19 @@ static ssize_t write_file_antenna(struct file *file,
if (strncmp(buf, "diversity", 9) == 0) {
ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_DEFAULT);
printk(KERN_INFO "ath5k debug: enable diversity\n");
pr_info("debug: enable diversity\n");
} else if (strncmp(buf, "fixed-a", 7) == 0) {
ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_A);
printk(KERN_INFO "ath5k debugfs: fixed antenna A\n");
pr_info("debug: fixed antenna A\n");
} else if (strncmp(buf, "fixed-b", 7) == 0) {
ath5k_hw_set_antenna_mode(ah, AR5K_ANTMODE_FIXED_B);
printk(KERN_INFO "ath5k debug: fixed antenna B\n");
pr_info("debug: fixed antenna B\n");
} else if (strncmp(buf, "clear", 5) == 0) {
for (i = 0; i < ARRAY_SIZE(ah->stats.antenna_rx); i++) {
ah->stats.antenna_rx[i] = 0;
ah->stats.antenna_tx[i] = 0;
}
printk(KERN_INFO "ath5k debug: cleared antenna stats\n");
pr_info("debug: cleared antenna stats\n");
}
return count;
}
@ -632,7 +635,7 @@ static ssize_t write_file_frameerrors(struct file *file,
st->txerr_fifo = 0;
st->txerr_filt = 0;
st->tx_all_count = 0;
printk(KERN_INFO "ath5k debug: cleared frameerrors stats\n");
pr_info("debug: cleared frameerrors stats\n");
}
return count;
}

6
drivers/net/wireless/ath/ath5k/desc.c
View File

@ -21,6 +21,8 @@
Hardware Descriptor Functions
\******************************/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "ath5k.h"
#include "reg.h"
#include "debug.h"
@ -441,10 +443,8 @@ ath5k_hw_proc_2word_tx_status(struct ath5k_hw *ah,
struct ath5k_desc *desc,
struct ath5k_tx_status *ts)
{
struct ath5k_hw_2w_tx_ctl *tx_ctl;
struct ath5k_hw_tx_status *tx_status;
tx_ctl = &desc->ud.ds_tx5210.tx_ctl;
tx_status = &desc->ud.ds_tx5210.tx_stat;
/* No frame has been send or error */
@ -495,11 +495,9 @@ ath5k_hw_proc_4word_tx_status(struct ath5k_hw *ah,
struct ath5k_desc *desc,
struct ath5k_tx_status *ts)
{
struct ath5k_hw_4w_tx_ctl *tx_ctl;
struct ath5k_hw_tx_status *tx_status;
u32 txstat0, txstat1;
tx_ctl = &desc->ud.ds_tx5212.tx_ctl;
tx_status = &desc->ud.ds_tx5212.tx_stat;
txstat1 = ACCESS_ONCE(tx_status->tx_status_1);

2
drivers/net/wireless/ath/ath5k/dma.c
View File

@ -29,6 +29,8 @@
* status registers (ISR).
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "ath5k.h"
#include "reg.h"
#include "debug.h"

2
drivers/net/wireless/ath/ath5k/eeprom.c
View File

@ -21,6 +21,8 @@
* EEPROM access functions and helpers *
\*************************************/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/slab.h>
#include "ath5k.h"

5
drivers/net/wireless/ath/ath5k/initvals.c
View File

@ -19,6 +19,8 @@
*
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "ath5k.h"
#include "reg.h"
#include "debug.h"
@ -1574,8 +1576,7 @@ ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool skip_pcu)
/* AR5K_MODE_11B */
if (mode > 2) {
ATH5K_ERR(ah,
"unsupported channel mode: %d\n", mode);
ATH5K_ERR(ah, "unsupported channel mode: %d\n", mode);
return -EINVAL;
}

2
drivers/net/wireless/ath/ath5k/led.c
View File

@ -39,6 +39,8 @@
*
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/pci.h>
#include "ath5k.h"

2
drivers/net/wireless/ath/ath5k/mac80211-ops.c
View File

@ -41,6 +41,8 @@
*
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <net/mac80211.h>
#include <asm/unaligned.h>

4
drivers/net/wireless/ath/ath5k/pci.c
View File

@ -14,6 +14,8 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/nl80211.h>
#include <linux/pci.h>
#include <linux/pci-aspm.h>
@ -347,7 +349,7 @@ init_ath5k_pci(void)
ret = pci_register_driver(&ath5k_pci_driver);
if (ret) {
printk(KERN_ERR "ath5k_pci: can't register pci driver\n");
pr_err("pci: can't register pci driver\n");
return ret;
}

2
drivers/net/wireless/ath/ath5k/phy.c
View File

@ -22,6 +22,8 @@
* PHY related functions *
\***********************/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/delay.h>
#include <linux/slab.h>
#include <asm/unaligned.h>

2
drivers/net/wireless/ath/ath5k/qcu.c
View File

@ -20,6 +20,8 @@
Queue Control Unit, DCF Control Unit Functions
\********************************************/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "ath5k.h"
#include "reg.h"
#include "debug.h"

2
drivers/net/wireless/ath/ath5k/reset.c
View File

@ -23,6 +23,8 @@
Reset function and helpers
\****************************/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <asm/unaligned.h>
#include <linux/pci.h> /* To determine if a card is pci-e */

2
drivers/net/wireless/ath/ath5k/sysfs.c
View File

@ -1,3 +1,5 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/device.h>
#include <linux/pci.h>

2
drivers/net/wireless/ath/ath6kl/cfg80211.c
View File

@ -15,6 +15,8 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/moduleparam.h>
#include <linux/inetdevice.h>
#include <linux/export.h>

2
drivers/net/wireless/ath/ath6kl/init.c
View File

@ -16,6 +16,8 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/moduleparam.h>
#include <linux/errno.h>
#include <linux/export.h>

2
drivers/net/wireless/ath/ath6kl/main.c
View File

@ -15,6 +15,8 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "core.h"
#include "hif-ops.h"
#include "cfg80211.h"

2
drivers/net/wireless/ath/ath6kl/txrx.c
View File

@ -15,6 +15,8 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "core.h"
#include "debug.h"

5
drivers/net/wireless/ath/ath9k/Makefile
View File

@ -11,7 +11,10 @@ ath9k-$(CONFIG_ATH9K_PCI) += pci.o
ath9k-$(CONFIG_ATH9K_AHB) += ahb.o
ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o
ath9k-$(CONFIG_ATH9K_DFS_DEBUGFS) += dfs_debug.o
ath9k-$(CONFIG_ATH9K_DFS_CERTIFIED) += dfs.o
ath9k-$(CONFIG_ATH9K_DFS_CERTIFIED) += \
dfs.o \
dfs_pattern_detector.o \
dfs_pri_detector.o
obj-$(CONFIG_ATH9K) += ath9k.o

49
drivers/net/wireless/ath/ath9k/ani.c
View File

@ -46,8 +46,8 @@ static const struct ani_ofdm_level_entry ofdm_level_table[] = {
{ 5, 4, 1 }, /* lvl 5 */
{ 6, 5, 1 }, /* lvl 6 */
{ 7, 6, 1 }, /* lvl 7 */
{ 7, 7, 1 }, /* lvl 8 */
{ 7, 8, 0 } /* lvl 9 */
{ 7, 6, 0 }, /* lvl 8 */
{ 7, 7, 0 } /* lvl 9 */
};
#define ATH9K_ANI_OFDM_NUM_LEVEL \
ARRAY_SIZE(ofdm_level_table)
@ -91,8 +91,8 @@ static const struct ani_cck_level_entry cck_level_table[] = {
{ 4, 0 }, /* lvl 4 */
{ 5, 0 }, /* lvl 5 */
{ 6, 0 }, /* lvl 6 */
{ 7, 0 }, /* lvl 7 (only for high rssi) */
{ 8, 0 } /* lvl 8 (only for high rssi) */
{ 6, 0 }, /* lvl 7 (only for high rssi) */
{ 7, 0 } /* lvl 8 (only for high rssi) */
};
#define ATH9K_ANI_CCK_NUM_LEVEL \
@ -290,16 +290,9 @@ static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel)
ATH9K_ANI_FIRSTEP_LEVEL,
entry_ofdm->fir_step_level);
if ((ah->opmode != NL80211_IFTYPE_STATION &&
ah->opmode != NL80211_IFTYPE_ADHOC) ||
aniState->noiseFloor <= aniState->rssiThrHigh) {
if (aniState->ofdmWeakSigDetectOff)
/* force on ofdm weak sig detect */
ath9k_hw_ani_control(ah,
ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
true);
else if (aniState->ofdmWeakSigDetectOff ==
entry_ofdm->ofdm_weak_signal_on)
if ((aniState->noiseFloor >= aniState->rssiThrHigh) &&
(!aniState->ofdmWeakSigDetectOff !=
entry_ofdm->ofdm_weak_signal_on)) {
ath9k_hw_ani_control(ah,
ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION,
entry_ofdm->ofdm_weak_signal_on);
@ -717,26 +710,30 @@ void ath9k_hw_ani_monitor(struct ath_hw *ah, struct ath9k_channel *chan)
ofdmPhyErrRate, aniState->cckNoiseImmunityLevel,
cckPhyErrRate, aniState->ofdmsTurn);
if (aniState->listenTime > 5 * ah->aniperiod) {
if (ofdmPhyErrRate <= ah->config.ofdm_trig_low &&
cckPhyErrRate <= ah->config.cck_trig_low) {
if (aniState->listenTime > ah->aniperiod) {
if (cckPhyErrRate < ah->config.cck_trig_low &&
((ofdmPhyErrRate < ah->config.ofdm_trig_low &&
aniState->ofdmNoiseImmunityLevel <
ATH9K_ANI_OFDM_DEF_LEVEL) ||
(ofdmPhyErrRate < ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI &&
aniState->ofdmNoiseImmunityLevel >=
ATH9K_ANI_OFDM_DEF_LEVEL))) {
ath9k_hw_ani_lower_immunity(ah);
aniState->ofdmsTurn = !aniState->ofdmsTurn;
}
ath9k_ani_restart(ah);
} else if (aniState->listenTime > ah->aniperiod) {
/* check to see if need to raise immunity */
if (ofdmPhyErrRate > ah->config.ofdm_trig_high &&
(cckPhyErrRate <= ah->config.cck_trig_high ||
aniState->ofdmsTurn)) {
} else if ((ofdmPhyErrRate > ah->config.ofdm_trig_high &&
aniState->ofdmNoiseImmunityLevel >=
ATH9K_ANI_OFDM_DEF_LEVEL) ||
(ofdmPhyErrRate >
ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI &&
aniState->ofdmNoiseImmunityLevel <
ATH9K_ANI_OFDM_DEF_LEVEL)) {
ath9k_hw_ani_ofdm_err_trigger(ah);
ath9k_ani_restart(ah);
aniState->ofdmsTurn = false;
} else if (cckPhyErrRate > ah->config.cck_trig_high) {
ath9k_hw_ani_cck_err_trigger(ah);
ath9k_ani_restart(ah);
aniState->ofdmsTurn = true;
}
ath9k_ani_restart(ah);
}
}
EXPORT_SYMBOL(ath9k_hw_ani_monitor);

6
drivers/net/wireless/ath/ath9k/ani.h
View File

@ -25,11 +25,13 @@
/* units are errors per second */
#define ATH9K_ANI_OFDM_TRIG_HIGH_OLD 500
#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW 1000
#define ATH9K_ANI_OFDM_TRIG_HIGH_NEW 3500
#define ATH9K_ANI_OFDM_TRIG_HIGH_BELOW_INI 1000
/* units are errors per second */
#define ATH9K_ANI_OFDM_TRIG_LOW_OLD 200
#define ATH9K_ANI_OFDM_TRIG_LOW_NEW 400
#define ATH9K_ANI_OFDM_TRIG_LOW_ABOVE_INI 900
/* units are errors per second */
#define ATH9K_ANI_CCK_TRIG_HIGH_OLD 200
@ -53,7 +55,7 @@
#define ATH9K_ANI_RSSI_THR_LOW 7
#define ATH9K_ANI_PERIOD_OLD 100
#define ATH9K_ANI_PERIOD_NEW 1000
#define ATH9K_ANI_PERIOD_NEW 300
/* in ms */
#define ATH9K_ANI_POLLINTERVAL_OLD 100

38
drivers/net/wireless/ath/ath9k/ar5008_phy.c
View File

@ -1047,46 +1047,8 @@ static bool ar5008_hw_ani_control_old(struct ath_hw *ah,
break;
}
case ATH9K_ANI_OFDM_WEAK_SIGNAL_DETECTION:{
static const int m1ThreshLow[] = { 127, 50 };
static const int m2ThreshLow[] = { 127, 40 };
static const int m1Thresh[] = { 127, 0x4d };
static const int m2Thresh[] = { 127, 0x40 };
static const int m2CountThr[] = { 31, 16 };
static const int m2CountThrLow[] = { 63, 48 };
u32 on = param ? 1 : 0;
REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
m1ThreshLow[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
m2ThreshLow[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR,
AR_PHY_SFCORR_M1_THRESH,
m1Thresh[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR,
AR_PHY_SFCORR_M2_THRESH,
m2Thresh[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR,
AR_PHY_SFCORR_M2COUNT_THR,
m2CountThr[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
m2CountThrLow[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
AR_PHY_SFCORR_EXT_M1_THRESH_LOW,
m1ThreshLow[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
AR_PHY_SFCORR_EXT_M2_THRESH_LOW,
m2ThreshLow[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
AR_PHY_SFCORR_EXT_M1_THRESH,
m1Thresh[on]);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
AR_PHY_SFCORR_EXT_M2_THRESH,
m2Thresh[on]);
if (on)
REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_USE_SELF_CORR_LOW);

10
drivers/net/wireless/ath/ath9k/ar9003_2p2_initvals.h
View File

@ -777,11 +777,11 @@ static const u32 ar9300Common_rx_gain_table_2p2[][2] = {
{0x0000a074, 0x00000000},
{0x0000a078, 0x00000000},
{0x0000a07c, 0x00000000},
{0x0000a080, 0x22222229},
{0x0000a084, 0x1d1d1d1d},
{0x0000a088, 0x1d1d1d1d},
{0x0000a08c, 0x1d1d1d1d},
{0x0000a090, 0x171d1d1d},
{0x0000a080, 0x1a1a1a1a},
{0x0000a084, 0x1a1a1a1a},
{0x0000a088, 0x1a1a1a1a},
{0x0000a08c, 0x1a1a1a1a},
{0x0000a090, 0x171a1a1a},
{0x0000a094, 0x11111717},
{0x0000a098, 0x00030311},
{0x0000a09c, 0x00000000},

49
drivers/net/wireless/ath/ath9k/ar9003_phy.c
View File

@ -823,55 +823,6 @@ static bool ar9003_hw_ani_control(struct ath_hw *ah,
* on == 0 means more noise imm
*/
u32 on = param ? 1 : 0;
/*
* make register setting for default
* (weak sig detect ON) come from INI file
*/
int m1ThreshLow = on ?
aniState->iniDef.m1ThreshLow : m1ThreshLow_off;
int m2ThreshLow = on ?
aniState->iniDef.m2ThreshLow : m2ThreshLow_off;
int m1Thresh = on ?
aniState->iniDef.m1Thresh : m1Thresh_off;
int m2Thresh = on ?
aniState->iniDef.m2Thresh : m2Thresh_off;
int m2CountThr = on ?
aniState->iniDef.m2CountThr : m2CountThr_off;
int m2CountThrLow = on ?
aniState->iniDef.m2CountThrLow : m2CountThrLow_off;
int m1ThreshLowExt = on ?
aniState->iniDef.m1ThreshLowExt : m1ThreshLowExt_off;
int m2ThreshLowExt = on ?
aniState->iniDef.m2ThreshLowExt : m2ThreshLowExt_off;
int m1ThreshExt = on ?
aniState->iniDef.m1ThreshExt : m1ThreshExt_off;
int m2ThreshExt = on ?
aniState->iniDef.m2ThreshExt : m2ThreshExt_off;
REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_M1_THRESH_LOW,
m1ThreshLow);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_M2_THRESH_LOW,
m2ThreshLow);
REG_RMW_FIELD(ah, AR_PHY_SFCORR,
AR_PHY_SFCORR_M1_THRESH, m1Thresh);
REG_RMW_FIELD(ah, AR_PHY_SFCORR,
AR_PHY_SFCORR_M2_THRESH, m2Thresh);
REG_RMW_FIELD(ah, AR_PHY_SFCORR,
AR_PHY_SFCORR_M2COUNT_THR, m2CountThr);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_LOW,
AR_PHY_SFCORR_LOW_M2COUNT_THR_LOW,
m2CountThrLow);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
AR_PHY_SFCORR_EXT_M1_THRESH_LOW, m1ThreshLowExt);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
AR_PHY_SFCORR_EXT_M2_THRESH_LOW, m2ThreshLowExt);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
AR_PHY_SFCORR_EXT_M1_THRESH, m1ThreshExt);
REG_RMW_FIELD(ah, AR_PHY_SFCORR_EXT,
AR_PHY_SFCORR_EXT_M2_THRESH, m2ThreshExt);
if (on)
REG_SET_BIT(ah, AR_PHY_SFCORR_LOW,

5
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -26,6 +26,7 @@
#include "debug.h"
#include "common.h"
#include "mci.h"
#include "dfs.h"
/*
* Header for the ath9k.ko driver core *only* -- hw code nor any other driver
@ -430,6 +431,8 @@ void ath9k_set_beaconing_status(struct ath_softc *sc, bool status);
void ath_reset_work(struct work_struct *work);
void ath_hw_check(struct work_struct *work);
void ath_hw_pll_work(struct work_struct *work);
void ath_rx_poll(unsigned long data);
void ath_start_rx_poll(struct ath_softc *sc, u8 nbeacon);
void ath_paprd_calibrate(struct work_struct *work);
void ath_ani_calibrate(unsigned long data);
void ath_start_ani(struct ath_common *common);
@ -670,6 +673,7 @@ struct ath_softc {
struct ath_beacon_config cur_beacon_conf;
struct delayed_work tx_complete_work;
struct delayed_work hw_pll_work;
struct timer_list rx_poll_timer;
#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT
struct ath_btcoex btcoex;
@ -680,6 +684,7 @@ struct ath_softc {
struct ath_ant_comb ant_comb;
u8 ant_tx, ant_rx;
struct dfs_pattern_detector *dfs_detector;
};
void ath9k_tasklet(unsigned long data);

24
drivers/net/wireless/ath/ath9k/debug.c
View File

@ -524,6 +524,7 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
PR("hw-put-tx-buf: ", puttxbuf);
PR("hw-tx-start: ", txstart);
PR("hw-tx-proc-desc: ", txprocdesc);
PR("TX-Failed: ", txfailed);
len += snprintf(buf + len, size - len,
"%s%11p%11p%10p%10p\n", "txq-memory-address:",
sc->tx.txq_map[WME_AC_BE],
@ -910,6 +911,21 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
len += snprintf(buf + len, size - len,
"%22s : %10u\n", "DECRYPT BUSY ERR",
sc->debug.stats.rxstats.decrypt_busy_err);
len += snprintf(buf + len, size - len,
"%22s : %10u\n", "RX-LENGTH-ERR",
sc->debug.stats.rxstats.rx_len_err);
len += snprintf(buf + len, size - len,
"%22s : %10u\n", "RX-OOM-ERR",
sc->debug.stats.rxstats.rx_oom_err);
len += snprintf(buf + len, size - len,
"%22s : %10u\n", "RX-RATE-ERR",
sc->debug.stats.rxstats.rx_rate_err);
len += snprintf(buf + len, size - len,
"%22s : %10u\n", "RX-DROP-RXFLUSH",
sc->debug.stats.rxstats.rx_drop_rxflush);
len += snprintf(buf + len, size - len,
"%22s : %10u\n", "RX-TOO-MANY-FRAGS",
sc->debug.stats.rxstats.rx_too_many_frags_err);
PHY_ERR("UNDERRUN ERR", ATH9K_PHYERR_UNDERRUN);
PHY_ERR("TIMING ERR", ATH9K_PHYERR_TIMING);
@ -944,6 +960,12 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
len += snprintf(buf + len, size - len,
"%22s : %10u\n", "RX-Bytes-All",
sc->debug.stats.rxstats.rx_bytes_all);
len += snprintf(buf + len, size - len,
"%22s : %10u\n", "RX-Beacons",
sc->debug.stats.rxstats.rx_beacons);
len += snprintf(buf + len, size - len,
"%22s : %10u\n", "RX-Frags",
sc->debug.stats.rxstats.rx_frags);
if (len > size)
len = size;
@ -958,7 +980,6 @@ static ssize_t read_file_recv(struct file *file, char __user *user_buf,
void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
{
#define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
#define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
#define RX_SAMP_DBG(c) (sc->debug.bb_mac_samp[sc->debug.sampidx].rs\
[sc->debug.rsidx].c)
@ -1004,7 +1025,6 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs)
#endif
#undef RX_STAT_INC
#undef RX_PHY_ERR_INC
#undef RX_SAMP_DBG
}

21
drivers/net/wireless/ath/ath9k/debug.h
View File

@ -113,6 +113,7 @@ struct ath_interrupt_stats {
* @puttxbuf: Number of times hardware was given txbuf to write.
* @txstart: Number of times hardware was told to start tx.
* @txprocdesc: Number of times tx descriptor was processed
* @txfailed: Out-of-memory or other errors in xmit path.
*/
struct ath_tx_stats {
u32 tx_pkts_all;
@ -135,8 +136,11 @@ struct ath_tx_stats {
u32 puttxbuf;
u32 txstart;
u32 txprocdesc;
u32 txfailed;
};
#define RX_STAT_INC(c) (sc->debug.stats.rxstats.c++)
/**
* struct ath_rx_stats - RX Statistics
* @rx_pkts_all: No. of total frames received, including ones that
@ -153,6 +157,13 @@ struct ath_tx_stats {
* @post_delim_crc_err: Post-Frame delimiter CRC error detections
* @decrypt_busy_err: Decryption interruptions counter
* @phy_err_stats: Individual PHY error statistics
* @rx_len_err: No. of frames discarded due to bad length.
* @rx_oom_err: No. of frames dropped due to OOM issues.
* @rx_rate_err: No. of frames dropped due to rate errors.
* @rx_too_many_frags_err: Frames dropped due to too-many-frags received.
* @rx_drop_rxflush: No. of frames dropped due to RX-FLUSH.
* @rx_beacons: No. of beacons received.
* @rx_frags: No. of rx-fragements received.
*/
struct ath_rx_stats {
u32 rx_pkts_all;
@ -165,6 +176,13 @@ struct ath_rx_stats {
u32 post_delim_crc_err;
u32 decrypt_busy_err;
u32 phy_err_stats[ATH9K_PHYERR_MAX];
u32 rx_len_err;
u32 rx_oom_err;
u32 rx_rate_err;
u32 rx_too_many_frags_err;
u32 rx_drop_rxflush;
u32 rx_beacons;
u32 rx_frags;
};
enum ath_reset_type {
@ -174,6 +192,7 @@ enum ath_reset_type {
RESET_TYPE_TX_ERROR,
RESET_TYPE_TX_HANG,
RESET_TYPE_PLL_HANG,
RESET_TYPE_MAC_HANG,
__RESET_TYPE_MAX
};
@ -247,6 +266,8 @@ void ath_debug_stat_rx(struct ath_softc *sc, struct ath_rx_status *rs);
#else
#define RX_STAT_INC(c) /* NOP */
static inline int ath9k_init_debug(struct ath_hw *ah)
{
return 0;

80
drivers/net/wireless/ath/ath9k/dfs.c
View File

@ -21,17 +21,6 @@
#include "dfs.h"
#include "dfs_debug.h"
/*
* TODO: move into or synchronize this with generic header
* as soon as IF is defined
*/
struct dfs_radar_pulse {
u16 freq;
u64 ts;
u32 width;
u8 rssi;
};
/* internal struct to pass radar data */
struct ath_radar_data {
u8 pulse_bw_info;
@ -60,44 +49,44 @@ static u32 dur_to_usecs(struct ath_hw *ah, u32 dur)
#define EXT_CH_RADAR_FOUND 0x02
static bool
ath9k_postprocess_radar_event(struct ath_softc *sc,
struct ath_radar_data *are,
struct dfs_radar_pulse *drp)
struct ath_radar_data *ard,
struct pulse_event *pe)
{
u8 rssi;
u16 dur;
ath_dbg(ath9k_hw_common(sc->sc_ah), DFS,
"pulse_bw_info=0x%x, pri,ext len/rssi=(%u/%u, %u/%u)\n",
are->pulse_bw_info,
are->pulse_length_pri, are->rssi,
are->pulse_length_ext, are->ext_rssi);
ard->pulse_bw_info,
ard->pulse_length_pri, ard->rssi,
ard->pulse_length_ext, ard->ext_rssi);
/*
* Only the last 2 bits of the BW info are relevant, they indicate
* which channel the radar was detected in.
*/
are->pulse_bw_info &= 0x03;
ard->pulse_bw_info &= 0x03;
switch (are->pulse_bw_info) {
switch (ard->pulse_bw_info) {
case PRI_CH_RADAR_FOUND:
/* radar in ctrl channel */
dur = are->pulse_length_pri;
dur = ard->pulse_length_pri;
DFS_STAT_INC(sc, pri_phy_errors);
/*
* cannot use ctrl channel RSSI
* if extension channel is stronger
*/
rssi = (are->ext_rssi >= (are->rssi + 3)) ? 0 : are->rssi;
rssi = (ard->ext_rssi >= (ard->rssi + 3)) ? 0 : ard->rssi;
break;
case EXT_CH_RADAR_FOUND:
/* radar in extension channel */
dur = are->pulse_length_ext;
dur = ard->pulse_length_ext;
DFS_STAT_INC(sc, ext_phy_errors);
/*
* cannot use extension channel RSSI
* if control channel is stronger
*/
rssi = (are->rssi >= (are->ext_rssi + 12)) ? 0 : are->ext_rssi;
rssi = (ard->rssi >= (ard->ext_rssi + 12)) ? 0 : ard->ext_rssi;
break;
case (PRI_CH_RADAR_FOUND | EXT_CH_RADAR_FOUND):
/*
@ -107,14 +96,14 @@ ath9k_postprocess_radar_event(struct ath_softc *sc,
* Radiated testing, when pulse is on DC, different pri and
* ext durations are reported, so take the larger of the two
*/
if (are->pulse_length_ext >= are->pulse_length_pri)
dur = are->pulse_length_ext;
if (ard->pulse_length_ext >= ard->pulse_length_pri)
dur = ard->pulse_length_ext;
else
dur = are->pulse_length_pri;
dur = ard->pulse_length_pri;
DFS_STAT_INC(sc, dc_phy_errors);
/* when both are present use stronger one */
rssi = (are->rssi < are->ext_rssi) ? are->ext_rssi : are->rssi;
rssi = (ard->rssi < ard->ext_rssi) ? ard->ext_rssi : ard->rssi;
break;
default:
/*
@ -137,8 +126,8 @@ ath9k_postprocess_radar_event(struct ath_softc *sc,
*/
/* convert duration to usecs */
drp->width = dur_to_usecs(sc->sc_ah, dur);
drp->rssi = rssi;
pe->width = dur_to_usecs(sc->sc_ah, dur);
pe->rssi = rssi;
DFS_STAT_INC(sc, pulses_detected);
return true;
@ -155,12 +144,12 @@ void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
struct ath_radar_data ard;
u16 datalen;
char *vdata_end;
struct dfs_radar_pulse drp;
struct pulse_event pe;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
if ((!(rs->rs_phyerr != ATH9K_PHYERR_RADAR)) &&
(!(rs->rs_phyerr != ATH9K_PHYERR_FALSE_RADAR_EXT))) {
if ((rs->rs_phyerr != ATH9K_PHYERR_RADAR) &&
(rs->rs_phyerr != ATH9K_PHYERR_FALSE_RADAR_EXT)) {
ath_dbg(common, DFS,
"Error: rs_phyer=0x%x not a radar error\n",
rs->rs_phyerr);
@ -189,27 +178,20 @@ void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
ard.pulse_bw_info = vdata_end[-1];
ard.pulse_length_ext = vdata_end[-2];
ard.pulse_length_pri = vdata_end[-3];
ath_dbg(common, DFS,
"bw_info=%d, length_pri=%d, length_ext=%d, "
"rssi_pri=%d, rssi_ext=%d\n",
ard.pulse_bw_info, ard.pulse_length_pri, ard.pulse_length_ext,
ard.rssi, ard.ext_rssi);
drp.freq = ah->curchan->channel;
drp.ts = mactime;
if (ath9k_postprocess_radar_event(sc, &ard, &drp)) {
pe.freq = ah->curchan->channel;
pe.ts = mactime;
if (ath9k_postprocess_radar_event(sc, &ard, &pe)) {
struct dfs_pattern_detector *pd = sc->dfs_detector;
static u64 last_ts;
ath_dbg(common, DFS,
"ath9k_dfs_process_phyerr: channel=%d, ts=%llu, "
"width=%d, rssi=%d, delta_ts=%llu\n",
drp.freq, drp.ts, drp.width, drp.rssi, drp.ts-last_ts);
last_ts = drp.ts;
/*
* TODO: forward pulse to pattern detector
*
* ieee80211_add_radar_pulse(drp.freq, drp.ts,
* drp.width, drp.rssi);
*/
pe.freq, pe.ts, pe.width, pe.rssi, pe.ts-last_ts);
last_ts = pe.ts;
if (pd != NULL && pd->add_pulse(pd, &pe)) {
/*
* TODO: forward radar event to DFS management layer
*/
}
}
}

8
drivers/net/wireless/ath/ath9k/dfs.h
View File

@ -17,6 +17,7 @@
#ifndef ATH9K_DFS_H
#define ATH9K_DFS_H
#include "dfs_pattern_detector.h"
#if defined(CONFIG_ATH9K_DFS_CERTIFIED)
/**
@ -31,13 +32,14 @@
*
* The radar information provided as raw payload data is validated and
* filtered for false pulses. Events passing all tests are forwarded to
* the upper layer for pattern detection.
* the DFS detector for pattern detection.
*/
void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
struct ath_rx_status *rs, u64 mactime);
#else
static inline void ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
struct ath_rx_status *rs, u64 mactime) { }
static inline void
ath9k_dfs_process_phyerr(struct ath_softc *sc, void *data,
struct ath_rx_status *rs, u64 mactime) { }
#endif
#endif /* ATH9K_DFS_H */

300
drivers/net/wireless/ath/ath9k/dfs_pattern_detector.c Normal file
View File

@ -0,0 +1,300 @@
/*
* Copyright (c) 2012 Neratec Solutions AG
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/slab.h>
#include <linux/export.h>
#include "dfs_pattern_detector.h"
#include "dfs_pri_detector.h"
/*
* tolerated deviation of radar time stamp in usecs on both sides
* TODO: this might need to be HW-dependent
*/
#define PRI_TOLERANCE 16
/**
* struct radar_types - contains array of patterns defined for one DFS domain
* @domain: DFS regulatory domain
* @num_radar_types: number of radar types to follow
* @radar_types: radar types array
*/
struct radar_types {
enum nl80211_dfs_regions region;
u32 num_radar_types;
const struct radar_detector_specs *radar_types;
};
/* percentage on ppb threshold to trigger detection */
#define MIN_PPB_THRESH 50
#define PPB_THRESH(PPB) ((PPB * MIN_PPB_THRESH + 50) / 100)
#define PRF2PRI(PRF) ((1000000 + PRF / 2) / PRF)
#define ETSI_PATTERN(ID, WMIN, WMAX, PMIN, PMAX, PRF, PPB) \
{ \
ID, WMIN, WMAX, (PRF2PRI(PMAX) - PRI_TOLERANCE), \
(PRF2PRI(PMIN) * PRF + PRI_TOLERANCE), PRF, PPB * PRF, \
PPB_THRESH(PPB), PRI_TOLERANCE, \
}
/* radar types as defined by ETSI EN-301-893 v1.5.1 */
static const struct radar_detector_specs etsi_radar_ref_types_v15[] = {
ETSI_PATTERN(0, 0, 1, 700, 700, 1, 18),
ETSI_PATTERN(1, 0, 5, 200, 1000, 1, 10),
ETSI_PATTERN(2, 0, 15, 200, 1600, 1, 15),
ETSI_PATTERN(3, 0, 15, 2300, 4000, 1, 25),
ETSI_PATTERN(4, 20, 30, 2000, 4000, 1, 20),
ETSI_PATTERN(5, 0, 2, 300, 400, 3, 10),
ETSI_PATTERN(6, 0, 2, 400, 1200, 3, 15),
};
static const struct radar_types etsi_radar_types_v15 = {
.region = NL80211_DFS_ETSI,
.num_radar_types = ARRAY_SIZE(etsi_radar_ref_types_v15),
.radar_types = etsi_radar_ref_types_v15,
};
/* for now, we support ETSI radar types, FCC and JP are TODO */
static const struct radar_types *dfs_domains[] = {
&etsi_radar_types_v15,
};
/**
* get_dfs_domain_radar_types() - get radar types for a given DFS domain
* @param domain DFS domain
* @return radar_types ptr on success, NULL if DFS domain is not supported
*/
static const struct radar_types *
get_dfs_domain_radar_types(enum nl80211_dfs_regions region)
{
u32 i;
for (i = 0; i < ARRAY_SIZE(dfs_domains); i++) {
if (dfs_domains[i]->region == region)
return dfs_domains[i];
}
return NULL;
}
/**
* struct channel_detector - detector elements for a DFS channel
* @head: list_head
* @freq: frequency for this channel detector in MHz
* @detectors: array of dynamically created detector elements for this freq
*
* Channel detectors are required to provide multi-channel DFS detection, e.g.
* to support off-channel scanning. A pattern detector has a list of channels
* radar pulses have been reported for in the past.
*/
struct channel_detector {
struct list_head head;
u16 freq;
struct pri_detector **detectors;
};
/* channel_detector_reset() - reset detector lines for a given channel */
static void channel_detector_reset(struct dfs_pattern_detector *dpd,
struct channel_detector *cd)
{
u32 i;
if (cd == NULL)
return;
for (i = 0; i < dpd->num_radar_types; i++)
cd->detectors[i]->reset(cd->detectors[i], dpd->last_pulse_ts);
}
/* channel_detector_exit() - destructor */
static void channel_detector_exit(struct dfs_pattern_detector *dpd,
struct channel_detector *cd)
{
u32 i;
if (cd == NULL)
return;
list_del(&cd->head);
for (i = 0; i < dpd->num_radar_types; i++) {
struct pri_detector *de = cd->detectors[i];
if (de != NULL)
de->exit(de);
}
kfree(cd->detectors);
kfree(cd);
}
static struct channel_detector *
channel_detector_create(struct dfs_pattern_detector *dpd, u16 freq)
{
u32 sz, i;
struct channel_detector *cd;
cd = kmalloc(sizeof(*cd), GFP_KERNEL);
if (cd == NULL)
goto fail;
INIT_LIST_HEAD(&cd->head);
cd->freq = freq;
sz = sizeof(cd->detectors) * dpd->num_radar_types;
cd->detectors = kzalloc(sz, GFP_KERNEL);
if (cd->detectors == NULL)
goto fail;
for (i = 0; i < dpd->num_radar_types; i++) {
const struct radar_detector_specs *rs = &dpd->radar_spec[i];
struct pri_detector *de = pri_detector_init(rs);
if (de == NULL)
goto fail;
cd->detectors[i] = de;
}
list_add(&cd->head, &dpd->channel_detectors);
return cd;
fail:
pr_err("failed to allocate channel_detector for freq=%d\n", freq);
channel_detector_exit(dpd, cd);
return NULL;
}
/**
* channel_detector_get() - get channel detector for given frequency
* @param dpd instance pointer
* @param freq frequency in MHz
* @return pointer to channel detector on success, NULL otherwise
*
* Return existing channel detector for the given frequency or return a
* newly create one.
*/
static struct channel_detector *
channel_detector_get(struct dfs_pattern_detector *dpd, u16 freq)
{
struct channel_detector *cd;
list_for_each_entry(cd, &dpd->channel_detectors, head) {
if (cd->freq == freq)
return cd;
}
return channel_detector_create(dpd, freq);
}
/*
* DFS Pattern Detector
*/
/* dpd_reset(): reset all channel detectors */
static void dpd_reset(struct dfs_pattern_detector *dpd)
{
struct channel_detector *cd;
if (!list_empty(&dpd->channel_detectors))
list_for_each_entry(cd, &dpd->channel_detectors, head)
channel_detector_reset(dpd, cd);
}
static void dpd_exit(struct dfs_pattern_detector *dpd)
{
struct channel_detector *cd, *cd0;
if (!list_empty(&dpd->channel_detectors))
list_for_each_entry_safe(cd, cd0, &dpd->channel_detectors, head)
channel_detector_exit(dpd, cd);
kfree(dpd);
}
static bool
dpd_add_pulse(struct dfs_pattern_detector *dpd, struct pulse_event *event)
{
u32 i;
bool ts_wraparound;
struct channel_detector *cd;
if (dpd->region == NL80211_DFS_UNSET) {
/*
* pulses received for a non-supported or un-initialized
* domain are treated as detected radars
*/
return true;
}
cd = channel_detector_get(dpd, event->freq);
if (cd == NULL)
return false;
ts_wraparound = (event->ts < dpd->last_pulse_ts);
dpd->last_pulse_ts = event->ts;
if (ts_wraparound) {
/*
* reset detector on time stamp wraparound
* with monotonic time stamps, this should never happen
*/
pr_warn("DFS: time stamp wraparound detected, resetting\n");
dpd_reset(dpd);
}
/* do type individual pattern matching */
for (i = 0; i < dpd->num_radar_types; i++) {
if (cd->detectors[i]->add_pulse(cd->detectors[i], event) != 0) {
channel_detector_reset(dpd, cd);
return true;
}
}
return false;
}
static bool dpd_set_domain(struct dfs_pattern_detector *dpd,
enum nl80211_dfs_regions region)
{
const struct radar_types *rt;
struct channel_detector *cd, *cd0;
if (dpd->region == region)
return true;
dpd->region = NL80211_DFS_UNSET;
rt = get_dfs_domain_radar_types(region);
if (rt == NULL)
return false;
/* delete all channel detectors for previous DFS domain */
if (!list_empty(&dpd->channel_detectors))
list_for_each_entry_safe(cd, cd0, &dpd->channel_detectors, head)
channel_detector_exit(dpd, cd);
dpd->radar_spec = rt->radar_types;
dpd->num_radar_types = rt->num_radar_types;
dpd->region = region;
return true;
}
static struct dfs_pattern_detector default_dpd = {
.exit = dpd_exit,
.set_domain = dpd_set_domain,
.add_pulse = dpd_add_pulse,
.region = NL80211_DFS_UNSET,
};
struct dfs_pattern_detector *
dfs_pattern_detector_init(enum nl80211_dfs_regions region)
{
struct dfs_pattern_detector *dpd;
dpd = kmalloc(sizeof(*dpd), GFP_KERNEL);
if (dpd == NULL) {
pr_err("allocation of dfs_pattern_detector failed\n");
return NULL;
}
*dpd = default_dpd;
INIT_LIST_HEAD(&dpd->channel_detectors);
if (dpd->set_domain(dpd, region))
return dpd;
pr_err("Could not set DFS domain to %d. ", region);
return NULL;
}
EXPORT_SYMBOL(dfs_pattern_detector_init);

104
drivers/net/wireless/ath/ath9k/dfs_pattern_detector.h Normal file
View File

@ -0,0 +1,104 @@
/*
* Copyright (c) 2012 Neratec Solutions AG
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef DFS_PATTERN_DETECTOR_H
#define DFS_PATTERN_DETECTOR_H
#include <linux/types.h>
#include <linux/list.h>
#include <linux/nl80211.h>
/**
* struct pulse_event - describing pulses reported by PHY
* @ts: pulse time stamp in us
* @freq: channel frequency in MHz
* @width: pulse duration in us
* @rssi: rssi of radar event
*/
struct pulse_event {
u64 ts;
u16 freq;
u8 width;
u8 rssi;
};
/**
* struct radar_detector_specs - detector specs for a radar pattern type
* @type_id: pattern type, as defined by regulatory
* @width_min: minimum radar pulse width in [us]
* @width_max: maximum radar pulse width in [us]
* @pri_min: minimum pulse repetition interval in [us] (including tolerance)
* @pri_max: minimum pri in [us] (including tolerance)
* @num_pri: maximum number of different pri for this type
* @ppb: pulses per bursts for this type
* @ppb_thresh: number of pulses required to trigger detection
* @max_pri_tolerance: pulse time stamp tolerance on both sides [us]
*/
struct radar_detector_specs {
u8 type_id;
u8 width_min;
u8 width_max;
u16 pri_min;
u16 pri_max;
u8 num_pri;
u8 ppb;
u8 ppb_thresh;
u8 max_pri_tolerance;
};
/**
* struct dfs_pattern_detector - DFS pattern detector
* @exit(): destructor
* @set_domain(): set DFS domain, resets detector lines upon domain changes
* @add_pulse(): add radar pulse to detector, returns true on detection
* @region: active DFS region, NL80211_DFS_UNSET until set
* @num_radar_types: number of different radar types
* @last_pulse_ts: time stamp of last valid pulse in usecs
* @radar_detector_specs: array of radar detection specs
* @channel_detectors: list connecting channel_detector elements
*/
struct dfs_pattern_detector {
void (*exit)(struct dfs_pattern_detector *dpd);
bool (*set_domain)(struct dfs_pattern_detector *dpd,
enum nl80211_dfs_regions region);
bool (*add_pulse)(struct dfs_pattern_detector *dpd,
struct pulse_event *pe);
enum nl80211_dfs_regions region;
u8 num_radar_types;
u64 last_pulse_ts;
const struct radar_detector_specs *radar_spec;
struct list_head channel_detectors;
};
/**
* dfs_pattern_detector_init() - constructor for pattern detector class
* @param region: DFS domain to be used, can be NL80211_DFS_UNSET at creation
* @return instance pointer on success, NULL otherwise
*/
#if defined(CONFIG_ATH9K_DFS_CERTIFIED)
extern struct dfs_pattern_detector *
dfs_pattern_detector_init(enum nl80211_dfs_regions region);
#else
static inline struct dfs_pattern_detector *
dfs_pattern_detector_init(enum nl80211_dfs_regions region)
{
return NULL;
}
#endif /* CONFIG_ATH9K_DFS_CERTIFIED */
#endif /* DFS_PATTERN_DETECTOR_H */

390
drivers/net/wireless/ath/ath9k/dfs_pri_detector.c Normal file
View File

@ -0,0 +1,390 @@
/*
* Copyright (c) 2012 Neratec Solutions AG
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/slab.h>
#include "dfs_pattern_detector.h"
#include "dfs_pri_detector.h"
/**
* struct pri_sequence - sequence of pulses matching one PRI
* @head: list_head
* @pri: pulse repetition interval (PRI) in usecs
* @dur: duration of sequence in usecs
* @count: number of pulses in this sequence
* @count_falses: number of not matching pulses in this sequence
* @first_ts: time stamp of first pulse in usecs
* @last_ts: time stamp of last pulse in usecs
* @deadline_ts: deadline when this sequence becomes invalid (first_ts + dur)
*/
struct pri_sequence {
struct list_head head;
u32 pri;
u32 dur;
u32 count;
u32 count_falses;
u64 first_ts;
u64 last_ts;
u64 deadline_ts;
};
/**
* struct pulse_elem - elements in pulse queue
* @ts: time stamp in usecs
*/
struct pulse_elem {
struct list_head head;
u64 ts;
};
/**
* pde_get_multiple() - get number of multiples considering a given tolerance
* @return factor if abs(val - factor*fraction) <= tolerance, 0 otherwise
*/
static u32 pde_get_multiple(u32 val, u32 fraction, u32 tolerance)
{
u32 remainder;
u32 factor;
u32 delta;
if (fraction == 0)
return 0;
delta = (val < fraction) ? (fraction - val) : (val - fraction);
if (delta <= tolerance)
/* val and fraction are within tolerance */
return 1;
factor = val / fraction;
remainder = val % fraction;
if (remainder > tolerance) {
/* no exact match */
if ((fraction - remainder) <= tolerance)
/* remainder is within tolerance */
factor++;
else
factor = 0;
}
return factor;
}
/**
* DOC: Singleton Pulse and Sequence Pools
*
* Instances of pri_sequence and pulse_elem are kept in singleton pools to
* reduce the number of dynamic allocations. They are shared between all
* instances and grow up to the peak number of simultaneously used objects.
*
* Memory is freed after all references to the pools are released.
*/
static u32 singleton_pool_references;
static LIST_HEAD(pulse_pool);
static LIST_HEAD(pseq_pool);
static struct pulse_elem *pulse_queue_get_tail(struct pri_detector *pde)
{
struct list_head *l = &pde->pulses;
if (list_empty(l))
return NULL;
return list_entry(l->prev, struct pulse_elem, head);
}
static bool pulse_queue_dequeue(struct pri_detector *pde)
{
struct pulse_elem *p = pulse_queue_get_tail(pde);
if (p != NULL) {
list_del_init(&p->head);
pde->count--;
/* give it back to pool */
list_add(&p->head, &pulse_pool);
}
return (pde->count > 0);
}
/* remove pulses older than window */
static void pulse_queue_check_window(struct pri_detector *pde)
{
u64 min_valid_ts;
struct pulse_elem *p;
/* there is no delta time with less than 2 pulses */
if (pde->count < 2)
return;
if (pde->last_ts <= pde->window_size)
return;
min_valid_ts = pde->last_ts - pde->window_size;
while ((p = pulse_queue_get_tail(pde)) != NULL) {
if (p->ts >= min_valid_ts)
return;
pulse_queue_dequeue(pde);
}
}
static bool pulse_queue_enqueue(struct pri_detector *pde, u64 ts)
{
struct pulse_elem *p;
if (!list_empty(&pulse_pool)) {
p = list_first_entry(&pulse_pool, struct pulse_elem, head);
list_del(&p->head);
} else {
p = kmalloc(sizeof(*p), GFP_KERNEL);
if (p == NULL) {
pr_err("failed to allocate pulse_elem\n");
return false;
}
}
INIT_LIST_HEAD(&p->head);
p->ts = ts;
list_add(&p->head, &pde->pulses);
pde->count++;
pde->last_ts = ts;
pulse_queue_check_window(pde);
if (pde->count >= pde->max_count)
pulse_queue_dequeue(pde);
return true;
}
static bool pseq_handler_create_sequences(struct pri_detector *pde,
u64 ts, u32 min_count)
{
struct pulse_elem *p;
list_for_each_entry(p, &pde->pulses, head) {
struct pri_sequence ps, *new_ps;
struct pulse_elem *p2;
u32 tmp_false_count;
u64 min_valid_ts;
u32 delta_ts = ts - p->ts;
if (delta_ts < pde->rs->pri_min)
/* ignore too small pri */
continue;
if (delta_ts > pde->rs->pri_max)
/* stop on too large pri (sorted list) */
break;
/* build a new sequence with new potential pri */
ps.count = 2;
ps.count_falses = 0;
ps.first_ts = p->ts;
ps.last_ts = ts;
ps.pri = ts - p->ts;
ps.dur = ps.pri * (pde->rs->ppb - 1)
+ 2 * pde->rs->max_pri_tolerance;
p2 = p;
tmp_false_count = 0;
min_valid_ts = ts - ps.dur;
/* check which past pulses are candidates for new sequence */
list_for_each_entry_continue(p2, &pde->pulses, head) {
u32 factor;
if (p2->ts < min_valid_ts)
/* stop on crossing window border */
break;
/* check if pulse match (multi)PRI */
factor = pde_get_multiple(ps.last_ts - p2->ts, ps.pri,
pde->rs->max_pri_tolerance);
if (factor > 0) {
ps.count++;
ps.first_ts = p2->ts;
/*
* on match, add the intermediate falses
* and reset counter
*/
ps.count_falses += tmp_false_count;
tmp_false_count = 0;
} else {
/* this is a potential false one */
tmp_false_count++;
}
}
if (ps.count < min_count)
/* did not reach minimum count, drop sequence */
continue;
/* this is a valid one, add it */
ps.deadline_ts = ps.first_ts + ps.dur;
if (!list_empty(&pseq_pool)) {
new_ps = list_first_entry(&pseq_pool,
struct pri_sequence, head);
list_del(&new_ps->head);
} else {
new_ps = kmalloc(sizeof(*new_ps), GFP_KERNEL);
if (new_ps == NULL)
return false;
}
memcpy(new_ps, &ps, sizeof(ps));
INIT_LIST_HEAD(&new_ps->head);
list_add(&new_ps->head, &pde->sequences);
}
return true;
}
/* check new ts and add to all matching existing sequences */
static u32
pseq_handler_add_to_existing_seqs(struct pri_detector *pde, u64 ts)
{
u32 max_count = 0;
struct pri_sequence *ps, *ps2;
list_for_each_entry_safe(ps, ps2, &pde->sequences, head) {
u32 delta_ts;
u32 factor;
/* first ensure that sequence is within window */
if (ts > ps->deadline_ts) {
list_del_init(&ps->head);
list_add(&ps->head, &pseq_pool);
continue;
}
delta_ts = ts - ps->last_ts;
factor = pde_get_multiple(delta_ts, ps->pri,
pde->rs->max_pri_tolerance);
if (factor > 0) {
ps->last_ts = ts;
ps->count++;
if (max_count < ps->count)
max_count = ps->count;
} else {
ps->count_falses++;
}
}
return max_count;
}
static struct pri_sequence *
pseq_handler_check_detection(struct pri_detector *pde)
{
struct pri_sequence *ps;
if (list_empty(&pde->sequences))
return NULL;
list_for_each_entry(ps, &pde->sequences, head) {
/*
* we assume to have enough matching confidence if we
* 1) have enough pulses
* 2) have more matching than false pulses
*/
if ((ps->count >= pde->rs->ppb_thresh) &&
(ps->count * pde->rs->num_pri >= ps->count_falses))
return ps;
}
return NULL;
}
/* free pulse queue and sequences list and give objects back to pools */
static void pri_detector_reset(struct pri_detector *pde, u64 ts)
{
struct pri_sequence *ps, *ps0;
struct pulse_elem *p, *p0;
list_for_each_entry_safe(ps, ps0, &pde->sequences, head) {
list_del_init(&ps->head);
list_add(&ps->head, &pseq_pool);
}
list_for_each_entry_safe(p, p0, &pde->pulses, head) {
list_del_init(&p->head);
list_add(&p->head, &pulse_pool);
}
pde->count = 0;
pde->last_ts = ts;
}
static void pri_detector_exit(struct pri_detector *de)
{
pri_detector_reset(de, 0);
singleton_pool_references--;
if (singleton_pool_references == 0) {
/* free singleton pools with no references left */
struct pri_sequence *ps, *ps0;
struct pulse_elem *p, *p0;
list_for_each_entry_safe(p, p0, &pulse_pool, head) {
list_del(&p->head);
kfree(p);
}
list_for_each_entry_safe(ps, ps0, &pseq_pool, head) {
list_del(&ps->head);
kfree(ps);
}
}
kfree(de);
}
static bool pri_detector_add_pulse(struct pri_detector *de,
struct pulse_event *event)
{
u32 max_updated_seq;
struct pri_sequence *ps;
u64 ts = event->ts;
const struct radar_detector_specs *rs = de->rs;
/* ignore pulses not within width range */
if ((rs->width_min > event->width) || (rs->width_max < event->width))
return false;
if ((ts - de->last_ts) < rs->max_pri_tolerance)
/* if delta to last pulse is too short, don't use this pulse */
return false;
de->last_ts = ts;
max_updated_seq = pseq_handler_add_to_existing_seqs(de, ts);
if (!pseq_handler_create_sequences(de, ts, max_updated_seq)) {
pr_err("failed to create pulse sequences\n");
pri_detector_reset(de, ts);
return false;
}
ps = pseq_handler_check_detection(de);
if (ps != NULL) {
pr_info("DFS: radar found: pri=%d, count=%d, count_false=%d\n",
ps->pri, ps->count, ps->count_falses);
pri_detector_reset(de, ts);
return true;
}
pulse_queue_enqueue(de, ts);
return false;
}
struct pri_detector *
pri_detector_init(const struct radar_detector_specs *rs)
{
struct pri_detector *de;
de = kzalloc(sizeof(*de), GFP_KERNEL);
if (de == NULL)
return NULL;
de->exit = pri_detector_exit;
de->add_pulse = pri_detector_add_pulse;
de->reset = pri_detector_reset;
INIT_LIST_HEAD(&de->sequences);
INIT_LIST_HEAD(&de->pulses);
de->window_size = rs->pri_max * rs->ppb * rs->num_pri;
de->max_count = rs->ppb * 2;
de->rs = rs;
singleton_pool_references++;
return de;
}

52
drivers/net/wireless/ath/ath9k/dfs_pri_detector.h Normal file
View File

@ -0,0 +1,52 @@
/*
* Copyright (c) 2012 Neratec Solutions AG
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef DFS_PRI_DETECTOR_H
#define DFS_PRI_DETECTOR_H
#include <linux/list.h>
/**
* struct pri_detector - PRI detector element for a dedicated radar type
* @exit(): destructor
* @add_pulse(): add pulse event, returns true if pattern was detected
* @reset(): clear states and reset to given time stamp
* @rs: detector specs for this detector element
* @last_ts: last pulse time stamp considered for this element in usecs
* @sequences: list_head holding potential pulse sequences
* @pulses: list connecting pulse_elem objects
* @count: number of pulses in queue
* @max_count: maximum number of pulses to be queued
* @window_size: window size back from newest pulse time stamp in usecs
*/
struct pri_detector {
void (*exit) (struct pri_detector *de);
bool (*add_pulse)(struct pri_detector *de, struct pulse_event *e);
void (*reset) (struct pri_detector *de, u64 ts);
/* private: internal use only */
const struct radar_detector_specs *rs;
u64 last_ts;
struct list_head sequences;
struct list_head pulses;
u32 count;
u32 max_count;
u32 window_size;
};
struct pri_detector *pri_detector_init(const struct radar_detector_specs *rs);
#endif /* DFS_PRI_DETECTOR_H */

11
drivers/net/wireless/ath/ath9k/htc_drv_init.c
View File

@ -14,6 +14,8 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "htc.h"
MODULE_AUTHOR("Atheros Communications");
@ -711,7 +713,8 @@ static void ath9k_set_hw_capab(struct ath9k_htc_priv *priv,
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
hw->queues = 4;
hw->channel_change_time = 5000;
@ -966,9 +969,7 @@ int ath9k_htc_resume(struct htc_target *htc_handle)
static int __init ath9k_htc_init(void)
{
if (ath9k_hif_usb_init() < 0) {
printk(KERN_ERR
"ath9k_htc: No USB devices found,"
" driver not installed.\n");
pr_err("No USB devices found, driver not installed\n");
return -ENODEV;
}
@ -979,6 +980,6 @@ module_init(ath9k_htc_init);
static void __exit ath9k_htc_exit(void)
{
ath9k_hif_usb_exit();
printk(KERN_INFO "ath9k_htc: Driver unloaded\n");
pr_info("Driver unloaded\n");
}
module_exit(ath9k_htc_exit);

4
drivers/net/wireless/ath/ath9k/htc_hst.c
View File

@ -14,6 +14,8 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include "htc.h"
static int htc_issue_send(struct htc_target *target, struct sk_buff* skb,
@ -461,7 +463,7 @@ int ath9k_htc_hw_init(struct htc_target *target,
char *product, u32 drv_info)
{
if (ath9k_htc_probe_device(target, dev, devid, product, drv_info)) {
printk(KERN_ERR "Failed to initialize the device\n");
pr_err("Failed to initialize the device\n");
return -ENODEV;
}

73
drivers/net/wireless/ath/ath9k/hw.c
View File

@ -1491,11 +1491,84 @@ static void ath9k_hw_apply_gpio_override(struct ath_hw *ah)
}
}
static bool ath9k_hw_check_dcs(u32 dma_dbg, u32 num_dcu_states,
int *hang_state, int *hang_pos)
{
static u32 dcu_chain_state[] = {5, 6, 9}; /* DCU chain stuck states */
u32 chain_state, dcs_pos, i;
for (dcs_pos = 0; dcs_pos < num_dcu_states; dcs_pos++) {
chain_state = (dma_dbg >> (5 * dcs_pos)) & 0x1f;
for (i = 0; i < 3; i++) {
if (chain_state == dcu_chain_state[i]) {
*hang_state = chain_state;
*hang_pos = dcs_pos;
return true;
}
}
}
return false;
}
#define DCU_COMPLETE_STATE 1
#define DCU_COMPLETE_STATE_MASK 0x3
#define NUM_STATUS_READS 50
static bool ath9k_hw_detect_mac_hang(struct ath_hw *ah)
{
u32 chain_state, comp_state, dcs_reg = AR_DMADBG_4;
u32 i, hang_pos, hang_state, num_state = 6;
comp_state = REG_READ(ah, AR_DMADBG_6);
if ((comp_state & DCU_COMPLETE_STATE_MASK) != DCU_COMPLETE_STATE) {
ath_dbg(ath9k_hw_common(ah), RESET,
"MAC Hang signature not found at DCU complete\n");
return false;
}
chain_state = REG_READ(ah, dcs_reg);
if (ath9k_hw_check_dcs(chain_state, num_state, &hang_state, &hang_pos))
goto hang_check_iter;
dcs_reg = AR_DMADBG_5;
num_state = 4;
chain_state = REG_READ(ah, dcs_reg);
if (ath9k_hw_check_dcs(chain_state, num_state, &hang_state, &hang_pos))
goto hang_check_iter;
ath_dbg(ath9k_hw_common(ah), RESET,
"MAC Hang signature 1 not found\n");
return false;
hang_check_iter:
ath_dbg(ath9k_hw_common(ah), RESET,
"DCU registers: chain %08x complete %08x Hang: state %d pos %d\n",
chain_state, comp_state, hang_state, hang_pos);
for (i = 0; i < NUM_STATUS_READS; i++) {
chain_state = REG_READ(ah, dcs_reg);
chain_state = (chain_state >> (5 * hang_pos)) & 0x1f;
comp_state = REG_READ(ah, AR_DMADBG_6);
if (((comp_state & DCU_COMPLETE_STATE_MASK) !=
DCU_COMPLETE_STATE) ||
(chain_state != hang_state))
return false;
}
ath_dbg(ath9k_hw_common(ah), RESET, "MAC Hang signature 1 found\n");
return true;
}
bool ath9k_hw_check_alive(struct ath_hw *ah)
{
int count = 50;
u32 reg;
if (AR_SREV_9300(ah))
return !ath9k_hw_detect_mac_hang(ah);
if (AR_SREV_9285_12_OR_LATER(ah))
return true;

19
drivers/net/wireless/ath/ath9k/init.c
View File

@ -14,6 +14,8 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/ath9k_platform.h>
@ -519,6 +521,8 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc,
atomic_set(&ah->intr_ref_cnt, -1);
sc->sc_ah = ah;
sc->dfs_detector = dfs_pattern_detector_init(NL80211_DFS_UNSET);
if (!pdata) {
ah->ah_flags |= AH_USE_EEPROM;
sc->sc_ah->led_pin = -1;
@ -676,6 +680,7 @@ void ath9k_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
hw->queues = 4;
hw->max_rates = 4;
@ -779,6 +784,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc,
goto error_world;
}
setup_timer(&sc->rx_poll_timer, ath_rx_poll, (unsigned long)sc);
sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
ath_init_leds(sc);
@ -821,6 +827,8 @@ static void ath9k_deinit_softc(struct ath_softc *sc)
ath_tx_cleanupq(sc, &sc->tx.txq[i]);
ath9k_hw_deinit(sc->sc_ah);
if (sc->dfs_detector != NULL)
sc->dfs_detector->exit(sc->dfs_detector);
kfree(sc->sc_ah);
sc->sc_ah = NULL;
@ -866,17 +874,14 @@ static int __init ath9k_init(void)
/* Register rate control algorithm */
error = ath_rate_control_register();
if (error != 0) {
printk(KERN_ERR
"ath9k: Unable to register rate control "
"algorithm: %d\n",
error);
pr_err("Unable to register rate control algorithm: %d\n",
error);
goto err_out;
}
error = ath_pci_init();
if (error < 0) {
printk(KERN_ERR
"ath9k: No PCI devices found, driver not installed.\n");
pr_err("No PCI devices found, driver not installed\n");
error = -ENODEV;
goto err_rate_unregister;
}
@ -905,6 +910,6 @@ static void __exit ath9k_exit(void)
ath_ahb_exit();
ath_pci_exit();
ath_rate_control_unregister();
printk(KERN_INFO "%s: Driver unloaded\n", dev_info);
pr_info("%s: Driver unloaded\n", dev_info);
}
module_exit(ath9k_exit);

49
drivers/net/wireless/ath/ath9k/main.c
View File

@ -241,6 +241,7 @@ static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx, bool flush)
sc->hw_busy_count = 0;
del_timer_sync(&common->ani.timer);
del_timer_sync(&sc->rx_poll_timer);
ath9k_debug_samp_bb_mac(sc);
ath9k_hw_disable_interrupts(ah);
@ -282,6 +283,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start)
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/2);
ath_start_rx_poll(sc, 3);
if (!common->disable_ani)
ath_start_ani(common);
}
@ -912,10 +914,19 @@ void ath_hw_check(struct work_struct *work)
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
unsigned long flags;
int busy;
u8 is_alive, nbeacon = 1;
ath9k_ps_wakeup(sc);
if (ath9k_hw_check_alive(sc->sc_ah))
is_alive = ath9k_hw_check_alive(sc->sc_ah);
if (is_alive && !AR_SREV_9300(sc->sc_ah))
goto out;
else if (!is_alive && AR_SREV_9300(sc->sc_ah)) {
ath_dbg(common, RESET,
"DCU stuck is detected. Schedule chip reset\n");
RESET_STAT_INC(sc, RESET_TYPE_MAC_HANG);
goto sched_reset;
}
spin_lock_irqsave(&common->cc_lock, flags);
busy = ath_update_survey_stats(sc);
@ -926,12 +937,18 @@ void ath_hw_check(struct work_struct *work)
if (busy >= 99) {
if (++sc->hw_busy_count >= 3) {
RESET_STAT_INC(sc, RESET_TYPE_BB_HANG);
ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
goto sched_reset;
}
} else if (busy >= 0)
} else if (busy >= 0) {
sc->hw_busy_count = 0;
nbeacon = 3;
}
ath_start_rx_poll(sc, nbeacon);
goto out;
sched_reset:
ieee80211_queue_work(sc->hw, &sc->hw_reset_work);
out:
ath9k_ps_restore(sc);
}
@ -1133,6 +1150,7 @@ static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
if (ath_tx_start(hw, skb, &txctl) != 0) {
ath_dbg(common, XMIT, "TX failed\n");
TX_STAT_INC(txctl.txq->axq_qnum, txfailed);
goto exit;
}
@ -1151,6 +1169,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
mutex_lock(&sc->mutex);
ath_cancel_work(sc);
del_timer_sync(&sc->rx_poll_timer);
if (sc->sc_flags & SC_OP_INVALID) {
ath_dbg(common, ANY, "Device not present\n");
@ -1383,6 +1402,24 @@ static void ath9k_do_vif_add_setup(struct ieee80211_hw *hw,
}
}
void ath_start_rx_poll(struct ath_softc *sc, u8 nbeacon)
{
if (!AR_SREV_9300(sc->sc_ah))
return;
if (!(sc->sc_flags & SC_OP_PRIM_STA_VIF))
return;
mod_timer(&sc->rx_poll_timer, jiffies + msecs_to_jiffies
(nbeacon * sc->cur_beacon_conf.beacon_interval));
}
void ath_rx_poll(unsigned long data)
{
struct ath_softc *sc = (struct ath_softc *)data;
ieee80211_queue_work(sc->hw, &sc->hw_check_work);
}
static int ath9k_add_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
@ -1904,6 +1941,8 @@ static void ath9k_bss_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER;
ath_start_rx_poll(sc, 3);
if (!common->disable_ani) {
sc->sc_flags |= SC_OP_ANI_RUN;
ath_start_ani(common);
@ -1943,6 +1982,7 @@ static void ath9k_config_bss(struct ath_softc *sc, struct ieee80211_vif *vif)
/* Stop ANI */
sc->sc_flags &= ~SC_OP_ANI_RUN;
del_timer_sync(&common->ani.timer);
del_timer_sync(&sc->rx_poll_timer);
memset(&sc->caldata, 0, sizeof(sc->caldata));
}
}
@ -1986,6 +2026,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
} else {
sc->sc_flags &= ~SC_OP_ANI_RUN;
del_timer_sync(&common->ani.timer);
del_timer_sync(&sc->rx_poll_timer);
}
}

9
drivers/net/wireless/ath/ath9k/pci.c
View File

@ -14,6 +14,8 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/nl80211.h>
#include <linux/pci.h>
#include <linux/pci-aspm.h>
@ -171,14 +173,13 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (ret) {
printk(KERN_ERR "ath9k: 32-bit DMA not available\n");
pr_err("32-bit DMA not available\n");
goto err_dma;
}
ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
if (ret) {
printk(KERN_ERR "ath9k: 32-bit DMA consistent "
"DMA enable failed\n");
pr_err("32-bit DMA consistent DMA enable failed\n");
goto err_dma;
}
@ -224,7 +225,7 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mem = pci_iomap(pdev, 0, 0);
if (!mem) {
printk(KERN_ERR "PCI memory map error\n") ;
pr_err("PCI memory map error\n") ;
ret = -EIO;
goto err_iomap;
}

7
drivers/net/wireless/ath/ath9k/rc.c
View File

@ -1436,7 +1436,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
struct ieee80211_sta *sta, void *priv_sta,
u32 changed, enum nl80211_channel_type oper_chan_type)
u32 changed)
{
struct ath_softc *sc = priv;
struct ath_rate_priv *ath_rc_priv = priv_sta;
@ -1447,12 +1447,11 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
/* FIXME: Handle AP mode later when we support CWM */
if (changed & IEEE80211_RC_HT_CHANGED) {
if (changed & IEEE80211_RC_BW_CHANGED) {
if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION)
return;
if (oper_chan_type == NL80211_CHAN_HT40MINUS ||
oper_chan_type == NL80211_CHAN_HT40PLUS)
if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
oper_cw40 = true;
if (oper_cw40)

39
drivers/net/wireless/ath/ath9k/recv.c
View File

@ -824,15 +824,20 @@ static bool ath9k_rx_accept(struct ath_common *common,
if (rx_stats->rs_keyix == ATH9K_RXKEYIX_INVALID)
rx_stats->rs_status &= ~ATH9K_RXERR_KEYMISS;
if (!rx_stats->rs_datalen)
if (!rx_stats->rs_datalen) {
RX_STAT_INC(rx_len_err);
return false;
}
/*
* rs_status follows rs_datalen so if rs_datalen is too large
* we can take a hint that hardware corrupted it, so ignore
* those frames.
*/
if (rx_stats->rs_datalen > (common->rx_bufsize - rx_status_len))
if (rx_stats->rs_datalen > (common->rx_bufsize - rx_status_len)) {
RX_STAT_INC(rx_len_err);
return false;
}
/* Only use error bits from the last fragment */
if (rx_stats->rs_more)
@ -902,6 +907,7 @@ static int ath9k_process_rate(struct ath_common *common,
struct ieee80211_supported_band *sband;
enum ieee80211_band band;
unsigned int i = 0;
struct ath_softc *sc = (struct ath_softc *) common->priv;
band = hw->conf.channel->band;
sband = hw->wiphy->bands[band];
@ -936,7 +942,7 @@ static int ath9k_process_rate(struct ath_common *common,
ath_dbg(common, ANY,
"unsupported hw bitrate detected 0x%02x using 1 Mbit\n",
rx_stats->rs_rate);
RX_STAT_INC(rx_rate_err);
return -EINVAL;
}
@ -1823,10 +1829,14 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
hdr = (struct ieee80211_hdr *) (hdr_skb->data + rx_status_len);
rxs = IEEE80211_SKB_RXCB(hdr_skb);
if (ieee80211_is_beacon(hdr->frame_control) &&
!is_zero_ether_addr(common->curbssid) &&
!compare_ether_addr(hdr->addr3, common->curbssid))
rs.is_mybeacon = true;
if (ieee80211_is_beacon(hdr->frame_control)) {
RX_STAT_INC(rx_beacons);
if (!is_zero_ether_addr(common->curbssid) &&
!compare_ether_addr(hdr->addr3, common->curbssid))
rs.is_mybeacon = true;
else
rs.is_mybeacon = false;
}
else
rs.is_mybeacon = false;
@ -1836,8 +1846,10 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
* If we're asked to flush receive queue, directly
* chain it back at the queue without processing it.
*/
if (sc->sc_flags & SC_OP_RXFLUSH)
if (sc->sc_flags & SC_OP_RXFLUSH) {
RX_STAT_INC(rx_drop_rxflush);
goto requeue_drop_frag;
}
memset(rxs, 0, sizeof(struct ieee80211_rx_status));
@ -1855,6 +1867,10 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
if (retval)
goto requeue_drop_frag;
if (rs.is_mybeacon) {
sc->hw_busy_count = 0;
ath_start_rx_poll(sc, 3);
}
/* Ensure we always have an skb to requeue once we are done
* processing the current buffer's skb */
requeue_skb = ath_rxbuf_alloc(common, common->rx_bufsize, GFP_ATOMIC);
@ -1863,8 +1879,10 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
* tell hardware it can give us a new frame using the old
* skb and put it at the tail of the sc->rx.rxbuf list for
* processing. */
if (!requeue_skb)
if (!requeue_skb) {
RX_STAT_INC(rx_oom_err);
goto requeue_drop_frag;
}
/* Unmap the frame */
dma_unmap_single(sc->dev, bf->bf_buf_addr,
@ -1895,6 +1913,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
}
if (rs.rs_more) {
RX_STAT_INC(rx_frags);
/*
* rs_more indicates chained descriptors which can be
* used to link buffers together for a sort of
@ -1904,6 +1923,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
/* too many fragments - cannot handle frame */
dev_kfree_skb_any(sc->rx.frag);
dev_kfree_skb_any(skb);
RX_STAT_INC(rx_too_many_frags_err);
skb = NULL;
}
sc->rx.frag = skb;
@ -1915,6 +1935,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp)
if (pskb_expand_head(hdr_skb, 0, space, GFP_ATOMIC) < 0) {
dev_kfree_skb(skb);
RX_STAT_INC(rx_oom_err);
goto requeue_drop_frag;
}

6
drivers/net/wireless/ath/carl9170/cmd.h
View File

@ -114,7 +114,7 @@ __regwrite_out : \
#define carl9170_regwrite_result() \
__err; \
} while (0);
} while (0)
#define carl9170_async_regwrite_get_buf() \
@ -126,7 +126,7 @@ do { \
__err = -ENOMEM; \
goto __async_regwrite_out; \
} \
} while (0);
} while (0)
#define carl9170_async_regwrite_begin(carl) \
do { \
@ -169,6 +169,6 @@ __async_regwrite_out: \
#define carl9170_async_regwrite_result() \
__err; \
} while (0);
} while (0)
#endif /* __CMD_H */

2
drivers/net/wireless/ath/carl9170/fw.c
View File

@ -355,6 +355,8 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len)
ar->hw->wiphy->interface_modes |= if_comb_types;
ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
#undef SUPPORTED
return carl9170_fw_tx_sequence(ar);
}

4
drivers/net/wireless/ath/main.c
View File

@ -14,6 +14,8 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
@ -49,7 +51,7 @@ struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,
if (off != 0)
skb_reserve(skb, common->cachelsz - off);
} else {
printk(KERN_ERR "skbuff alloc of size %u failed\n", len);
pr_err("skbuff alloc of size %u failed\n", len);
return NULL;
}

4
drivers/net/wireless/ath/regd.c
View File

@ -14,6 +14,8 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/export.h>
#include <net/cfg80211.h>
@ -562,7 +564,7 @@ static int __ath_regd_init(struct ath_regulatory *reg)
printk(KERN_DEBUG "ath: EEPROM regdomain: 0x%0x\n", reg->current_rd);
if (!ath_regd_is_eeprom_valid(reg)) {
printk(KERN_ERR "ath: Invalid EEPROM contents\n");
pr_err("Invalid EEPROM contents\n");
return -EINVAL;
}

16
drivers/net/wireless/b43/main.c
View File

@ -4010,6 +4010,20 @@ static int b43_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
if (modparam_nohwcrypt)
return -ENOSPC; /* User disabled HW-crypto */
if ((vif->type == NL80211_IFTYPE_ADHOC ||
vif->type == NL80211_IFTYPE_MESH_POINT) &&
(key->cipher == WLAN_CIPHER_SUITE_TKIP ||
key->cipher == WLAN_CIPHER_SUITE_CCMP) &&
!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
/*
* For now, disable hw crypto for the RSN IBSS group keys. This
* could be optimized in the future, but until that gets
* implemented, use of software crypto for group addressed
* frames is a acceptable to allow RSN IBSS to be used.
*/
return -EOPNOTSUPP;
}
mutex_lock(&wl->mutex);
dev = wl->current_dev;
@ -5275,6 +5289,8 @@ static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev)
BIT(NL80211_IFTYPE_WDS) |
BIT(NL80211_IFTYPE_ADHOC);
hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN;
hw->queues = modparam_qos ? B43_QOS_QUEUE_NUM : 1;
wl->mac80211_initially_registered_queues = hw->queues;
hw->max_rates = 2;

2
drivers/net/wireless/b43/xmit.c
View File

@ -378,7 +378,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
phy_ctl |= B43_TXH_PHY_SHORTPRMBL;
switch (b43_ieee80211_antenna_sanitize(dev, info->antenna_sel_tx)) {
switch (b43_ieee80211_antenna_sanitize(dev, 0)) {
case 0: /* Default */
phy_ctl |= B43_TXH_PHY_ANT01AUTO;
break;

14
drivers/net/wireless/b43legacy/xmit.c
View File

@ -277,19 +277,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
phy_ctl |= B43legacy_TX4_PHY_ENC_OFDM;
if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
phy_ctl |= B43legacy_TX4_PHY_SHORTPRMBL;
switch (info->antenna_sel_tx) {
case 0:
phy_ctl |= B43legacy_TX4_PHY_ANTLAST;
break;
case 1:
phy_ctl |= B43legacy_TX4_PHY_ANT0;
break;
case 2:
phy_ctl |= B43legacy_TX4_PHY_ANT1;
break;
default:
B43legacy_BUG_ON(1);
}
phy_ctl |= B43legacy_TX4_PHY_ANTLAST;
/* MAC control */
rates = info->control.rates;

2
drivers/net/wireless/brcm80211/brcmsmac/d11.h
View File

@ -733,7 +733,7 @@ struct cck_phy_hdr {
do { \
plcp[1] = len & 0xff; \
plcp[2] = ((len >> 8) & 0xff); \
} while (0);
} while (0)
#define BRCMS_SET_MIMO_PLCP_AMPDU(plcp) (plcp[3] |= MIMO_PLCP_AMPDU)
#define BRCMS_CLR_MIMO_PLCP_AMPDU(plcp) (plcp[3] &= ~MIMO_PLCP_AMPDU)

9
drivers/net/wireless/ipw2x00/ipw2100.h
View File

@ -135,15 +135,6 @@ enum {
IPW_HW_STATE_ENABLED = 0
};
struct ssid_context {
char ssid[IW_ESSID_MAX_SIZE + 1];
int ssid_len;
unsigned char bssid[ETH_ALEN];
int port_type;
int channel;
};
extern const char *port_type_str[];
extern const char *band_str[];

55
drivers/net/wireless/ipw2x00/libipw.h
View File

@ -584,61 +584,6 @@ struct libipw_tim_parameters {
/*******************************************************/
enum { /* libipw_basic_report.map */
LIBIPW_BASIC_MAP_BSS = (1 << 0),
LIBIPW_BASIC_MAP_OFDM = (1 << 1),
LIBIPW_BASIC_MAP_UNIDENTIFIED = (1 << 2),
LIBIPW_BASIC_MAP_RADAR = (1 << 3),
LIBIPW_BASIC_MAP_UNMEASURED = (1 << 4),
/* Bits 5-7 are reserved */
};
struct libipw_basic_report {
u8 channel;
__le64 start_time;
__le16 duration;
u8 map;
} __packed;
enum { /* libipw_measurement_request.mode */
/* Bit 0 is reserved */
LIBIPW_MEASUREMENT_ENABLE = (1 << 1),
LIBIPW_MEASUREMENT_REQUEST = (1 << 2),
LIBIPW_MEASUREMENT_REPORT = (1 << 3),
/* Bits 4-7 are reserved */
};
enum {
LIBIPW_REPORT_BASIC = 0, /* required */
LIBIPW_REPORT_CCA = 1, /* optional */
LIBIPW_REPORT_RPI = 2, /* optional */
/* 3-255 reserved */
};
struct libipw_measurement_params {
u8 channel;
__le64 start_time;
__le16 duration;
} __packed;
struct libipw_measurement_request {
struct libipw_info_element ie;
u8 token;
u8 mode;
u8 type;
struct libipw_measurement_params params[0];
} __packed;
struct libipw_measurement_report {
struct libipw_info_element ie;
u8 token;
u8 mode;
u8 type;
union {
struct libipw_basic_report basic[0];
} u;
} __packed;
struct libipw_tpc_report {
u8 transmit_power;
u8 link_margin;

4
drivers/net/wireless/iwlegacy/4965-mac.c
View File

@ -2850,9 +2850,9 @@ void
il4965_hwrate_to_tx_control(struct il_priv *il, u32 rate_n_flags,
struct ieee80211_tx_info *info)
{
struct ieee80211_tx_rate *r = &info->control.rates[0];
struct ieee80211_tx_rate *r = &info->status.rates[0];
info->antenna_sel_tx =
info->status.antenna =
((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS);
if (rate_n_flags & RATE_MCS_HT_MSK)
r->flags |= IEEE80211_TX_RC_MCS;

2
drivers/net/wireless/iwlegacy/4965-rs.c
View File

@ -873,7 +873,7 @@ il4965_rs_tx_status(void *il_r, struct ieee80211_supported_band *sband,
tbl_type.is_SGI != !!(mac_flags & IEEE80211_TX_RC_SHORT_GI) ||
tbl_type.is_ht40 != !!(mac_flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ||
tbl_type.is_dup != !!(mac_flags & IEEE80211_TX_RC_DUP_DATA) ||
tbl_type.ant_type != info->antenna_sel_tx ||
tbl_type.ant_type != info->status.antenna ||
!!(tx_rate & RATE_MCS_HT_MSK) != !!(mac_flags & IEEE80211_TX_RC_MCS)
|| !!(tx_rate & RATE_MCS_GF_MSK) !=
!!(mac_flags & IEEE80211_TX_RC_GREEN_FIELD) || rs_idx != mac_idx) {

8
drivers/net/wireless/iwlwifi/Kconfig
View File

@ -136,3 +136,11 @@ config IWLWIFI_EXPERIMENTAL_MFP
even if the microcode doesn't advertise it.
Say Y only if you want to experiment with MFP.
config IWLWIFI_UCODE16
bool "support uCode 16.0"
depends on IWLWIFI
help
This option enables support for uCode version 16.0.
Say Y if you want to use 16.0 microcode.

2
drivers/net/wireless/iwlwifi/Makefile
View File

@ -17,6 +17,8 @@ iwlwifi-objs += iwl-drv.o
iwlwifi-objs += iwl-notif-wait.o
iwlwifi-objs += iwl-trans-pcie.o iwl-trans-pcie-rx.o iwl-trans-pcie-tx.o
iwlwifi-$(CONFIG_IWLWIFI_UCODE16) += iwl-phy-db.o
iwlwifi-$(CONFIG_IWLWIFI_DEBUGFS) += iwl-debugfs.o
iwlwifi-$(CONFIG_IWLWIFI_DEVICE_TRACING) += iwl-devtrace.o
iwlwifi-$(CONFIG_IWLWIFI_DEVICE_TESTMODE) += iwl-testmode.o

1
drivers/net/wireless/iwlwifi/iwl-1000.c
View File

@ -157,7 +157,6 @@ static struct iwl_lib_ops iwl1000_lib = {
static const struct iwl_base_params iwl1000_base_params = {
.num_of_queues = IWLAGN_NUM_QUEUES,
.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
.max_ll_items = OTP_MAX_LL_ITEMS_1000,

19
drivers/net/wireless/iwlwifi/iwl-2000.c
View File

@ -86,9 +86,8 @@ static void iwl2000_nic_config(struct iwl_priv *priv)
{
iwl_rf_config(priv);
if (cfg(priv)->iq_invert)
iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG,
CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
iwl_set_bit(trans(priv), CSR_GP_DRIVER_REG,
CSR_GP_DRIVER_REG_BIT_RADIO_IQ_INVER);
}
static const struct iwl_sensitivity_ranges iwl2000_sensitivity = {
@ -172,7 +171,6 @@ static struct iwl_lib_ops iwl2030_lib = {
static const struct iwl_base_params iwl2000_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.num_of_queues = IWLAGN_NUM_QUEUES,
.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
.pll_cfg_val = 0,
.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
.shadow_ram_support = true,
@ -191,7 +189,6 @@ static const struct iwl_base_params iwl2000_base_params = {
static const struct iwl_base_params iwl2030_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.num_of_queues = IWLAGN_NUM_QUEUES,
.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
.pll_cfg_val = 0,
.max_ll_items = OTP_MAX_LL_ITEMS_2x00,
.shadow_ram_support = true,
@ -234,8 +231,7 @@ static const struct iwl_bt_params iwl2030_bt_params = {
.base_params = &iwl2000_base_params, \
.need_temp_offset_calib = true, \
.temp_offset_v2 = true, \
.led_mode = IWL_LED_RF_STATE, \
.iq_invert = true \
.led_mode = IWL_LED_RF_STATE
const struct iwl_cfg iwl2000_2bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 2200 BGN",
@ -264,8 +260,7 @@ const struct iwl_cfg iwl2000_2bgn_d_cfg = {
.need_temp_offset_calib = true, \
.temp_offset_v2 = true, \
.led_mode = IWL_LED_RF_STATE, \
.adv_pm = true, \
.iq_invert = true \
.adv_pm = true
const struct iwl_cfg iwl2030_2bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 2230 BGN",
@ -288,8 +283,7 @@ const struct iwl_cfg iwl2030_2bgn_cfg = {
.temp_offset_v2 = true, \
.led_mode = IWL_LED_RF_STATE, \
.adv_pm = true, \
.rx_with_siso_diversity = true, \
.iq_invert = true \
.rx_with_siso_diversity = true
const struct iwl_cfg iwl105_bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 105 BGN",
@ -319,8 +313,7 @@ const struct iwl_cfg iwl105_bgn_d_cfg = {
.temp_offset_v2 = true, \
.led_mode = IWL_LED_RF_STATE, \
.adv_pm = true, \
.rx_with_siso_diversity = true, \
.iq_invert = true \
.rx_with_siso_diversity = true
const struct iwl_cfg iwl135_bgn_cfg = {
.name = "Intel(R) Centrino(R) Wireless-N 135 BGN",

1
drivers/net/wireless/iwlwifi/iwl-5000.c
View File

@ -308,7 +308,6 @@ static struct iwl_lib_ops iwl5150_lib = {
static const struct iwl_base_params iwl5000_base_params = {
.eeprom_size = IWLAGN_EEPROM_IMG_SIZE,
.num_of_queues = IWLAGN_NUM_QUEUES,
.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
.pll_cfg_val = CSR50_ANA_PLL_CFG_VAL,
.led_compensation = 51,
.plcp_delta_threshold = IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF,

3
drivers/net/wireless/iwlwifi/iwl-6000.c
View File

@ -269,7 +269,6 @@ static struct iwl_lib_ops iwl6030_lib = {
static const struct iwl_base_params iwl6000_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.num_of_queues = IWLAGN_NUM_QUEUES,
.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
.pll_cfg_val = 0,
.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
.shadow_ram_support = true,
@ -286,7 +285,6 @@ static const struct iwl_base_params iwl6000_base_params = {
static const struct iwl_base_params iwl6050_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.num_of_queues = IWLAGN_NUM_QUEUES,
.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
.pll_cfg_val = 0,
.max_ll_items = OTP_MAX_LL_ITEMS_6x50,
.shadow_ram_support = true,
@ -303,7 +301,6 @@ static const struct iwl_base_params iwl6050_base_params = {
static const struct iwl_base_params iwl6000_g2_base_params = {
.eeprom_size = OTP_LOW_IMAGE_SIZE,
.num_of_queues = IWLAGN_NUM_QUEUES,
.num_of_ampdu_queues = IWLAGN_NUM_AMPDU_QUEUES,
.pll_cfg_val = 0,
.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
.shadow_ram_support = true,

3
drivers/net/wireless/iwlwifi/iwl-agn-hw.h
View File

@ -103,9 +103,6 @@
/* EEPROM */
#define IWLAGN_EEPROM_IMG_SIZE 2048
#define IWLAGN_CMD_FIFO_NUM 7
#define IWLAGN_NUM_QUEUES 20
#define IWLAGN_NUM_AMPDU_QUEUES 9
#define IWLAGN_FIRST_AMPDU_QUEUE 11
#endif /* __iwl_agn_hw_h__ */

24
drivers/net/wireless/iwlwifi/iwl-agn-lib.c
View File

@ -228,7 +228,7 @@ int iwlagn_txfifo_flush(struct iwl_priv *priv, u16 flush_control)
IWL_SCD_BE_MSK | IWL_SCD_BK_MSK |
IWL_SCD_MGMT_MSK;
if ((flush_control & BIT(IWL_RXON_CTX_PAN)) &&
(priv->shrd->valid_contexts != BIT(IWL_RXON_CTX_BSS)))
(priv->valid_contexts != BIT(IWL_RXON_CTX_BSS)))
flush_cmd.fifo_control |= IWL_PAN_SCD_VO_MSK |
IWL_PAN_SCD_VI_MSK | IWL_PAN_SCD_BE_MSK |
IWL_PAN_SCD_BK_MSK | IWL_PAN_SCD_MGMT_MSK |
@ -615,7 +615,7 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv,
struct iwl_bt_uart_msg *uart_msg)
{
IWL_DEBUG_COEX(priv, "Message Type = 0x%X, SSN = 0x%X, "
"Update Req = 0x%X",
"Update Req = 0x%X\n",
(BT_UART_MSG_FRAME1MSGTYPE_MSK & uart_msg->frame1) >>
BT_UART_MSG_FRAME1MSGTYPE_POS,
(BT_UART_MSG_FRAME1SSN_MSK & uart_msg->frame1) >>
@ -624,7 +624,7 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv,
BT_UART_MSG_FRAME1UPDATEREQ_POS);
IWL_DEBUG_COEX(priv, "Open connections = 0x%X, Traffic load = 0x%X, "
"Chl_SeqN = 0x%X, In band = 0x%X",
"Chl_SeqN = 0x%X, In band = 0x%X\n",
(BT_UART_MSG_FRAME2OPENCONNECTIONS_MSK & uart_msg->frame2) >>
BT_UART_MSG_FRAME2OPENCONNECTIONS_POS,
(BT_UART_MSG_FRAME2TRAFFICLOAD_MSK & uart_msg->frame2) >>
@ -635,7 +635,7 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv,
BT_UART_MSG_FRAME2INBAND_POS);
IWL_DEBUG_COEX(priv, "SCO/eSCO = 0x%X, Sniff = 0x%X, A2DP = 0x%X, "
"ACL = 0x%X, Master = 0x%X, OBEX = 0x%X",
"ACL = 0x%X, Master = 0x%X, OBEX = 0x%X\n",
(BT_UART_MSG_FRAME3SCOESCO_MSK & uart_msg->frame3) >>
BT_UART_MSG_FRAME3SCOESCO_POS,
(BT_UART_MSG_FRAME3SNIFF_MSK & uart_msg->frame3) >>
@ -649,12 +649,12 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv,
(BT_UART_MSG_FRAME3OBEX_MSK & uart_msg->frame3) >>
BT_UART_MSG_FRAME3OBEX_POS);
IWL_DEBUG_COEX(priv, "Idle duration = 0x%X",
IWL_DEBUG_COEX(priv, "Idle duration = 0x%X\n",
(BT_UART_MSG_FRAME4IDLEDURATION_MSK & uart_msg->frame4) >>
BT_UART_MSG_FRAME4IDLEDURATION_POS);
IWL_DEBUG_COEX(priv, "Tx Activity = 0x%X, Rx Activity = 0x%X, "
"eSCO Retransmissions = 0x%X",
"eSCO Retransmissions = 0x%X\n",
(BT_UART_MSG_FRAME5TXACTIVITY_MSK & uart_msg->frame5) >>
BT_UART_MSG_FRAME5TXACTIVITY_POS,
(BT_UART_MSG_FRAME5RXACTIVITY_MSK & uart_msg->frame5) >>
@ -662,14 +662,14 @@ static void iwlagn_print_uartmsg(struct iwl_priv *priv,
(BT_UART_MSG_FRAME5ESCORETRANSMIT_MSK & uart_msg->frame5) >>
BT_UART_MSG_FRAME5ESCORETRANSMIT_POS);
IWL_DEBUG_COEX(priv, "Sniff Interval = 0x%X, Discoverable = 0x%X",
IWL_DEBUG_COEX(priv, "Sniff Interval = 0x%X, Discoverable = 0x%X\n",
(BT_UART_MSG_FRAME6SNIFFINTERVAL_MSK & uart_msg->frame6) >>
BT_UART_MSG_FRAME6SNIFFINTERVAL_POS,
(BT_UART_MSG_FRAME6DISCOVERABLE_MSK & uart_msg->frame6) >>
BT_UART_MSG_FRAME6DISCOVERABLE_POS);
IWL_DEBUG_COEX(priv, "Sniff Activity = 0x%X, Page = "
"0x%X, Inquiry = 0x%X, Connectable = 0x%X",
"0x%X, Inquiry = 0x%X, Connectable = 0x%X\n",
(BT_UART_MSG_FRAME7SNIFFACTIVITY_MSK & uart_msg->frame7) >>
BT_UART_MSG_FRAME7SNIFFACTIVITY_POS,
(BT_UART_MSG_FRAME7PAGE_MSK & uart_msg->frame7) >>
@ -856,7 +856,7 @@ static u8 iwl_count_chain_bitmap(u32 chain_bitmap)
void iwlagn_set_rxon_chain(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
bool is_single = is_single_rx_stream(priv);
bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->shrd->status);
bool is_cam = !test_bit(STATUS_POWER_PMI, &priv->status);
u8 idle_rx_cnt, active_rx_cnt, valid_rx_cnt;
u32 active_chains;
u16 rx_chain;
@ -1298,6 +1298,12 @@ int iwl_dvm_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
return -EIO;
}
if (test_bit(STATUS_FW_ERROR, &priv->status)) {
IWL_ERR(priv, "Command %s failed: FW Error\n",
get_cmd_string(cmd->id));
return -EIO;
}
/*
* Synchronous commands from this op-mode must hold
* the mutex, this ensures we don't try to send two

4
drivers/net/wireless/iwlwifi/iwl-agn-rs.c
View File

@ -969,7 +969,7 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
(tbl_type.is_SGI != !!(mac_flags & IEEE80211_TX_RC_SHORT_GI)) ||
(tbl_type.is_ht40 != !!(mac_flags & IEEE80211_TX_RC_40_MHZ_WIDTH)) ||
(tbl_type.is_dup != !!(mac_flags & IEEE80211_TX_RC_DUP_DATA)) ||
(tbl_type.ant_type != info->antenna_sel_tx) ||
(tbl_type.ant_type != info->status.antenna) ||
(!!(tx_rate & RATE_MCS_HT_MSK) != !!(mac_flags & IEEE80211_TX_RC_MCS)) ||
(!!(tx_rate & RATE_MCS_GF_MSK) != !!(mac_flags & IEEE80211_TX_RC_GREEN_FIELD)) ||
(rs_index != mac_index)) {
@ -2166,7 +2166,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search)
(lq_sta->total_success > lq_sta->max_success_limit) ||
((!lq_sta->search_better_tbl) && (lq_sta->flush_timer)
&& (flush_interval_passed))) {
IWL_DEBUG_RATE(priv, "LQ: stay is expired %d %d %d\n:",
IWL_DEBUG_RATE(priv, "LQ: stay is expired %d %d %d\n",
lq_sta->total_failed,
lq_sta->total_success,
flush_interval_passed);

7
drivers/net/wireless/iwlwifi/iwl-agn-rx.c
View File

@ -794,7 +794,7 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv,
return;
}
offset = (void *)hdr - rxb_addr(rxb);
offset = (void *)hdr - rxb_addr(rxb) + rxb_offset(rxb);
p = rxb_steal_page(rxb);
skb_add_rx_frag(skb, 0, p, offset, len, len);
@ -970,7 +970,7 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv,
}
if ((unlikely(phy_res->cfg_phy_cnt > 20))) {
IWL_DEBUG_DROP(priv, "dsp size out of range [0,20]: %d/n",
IWL_DEBUG_DROP(priv, "dsp size out of range [0,20]: %d\n",
phy_res->cfg_phy_cnt);
return 0;
}
@ -1134,9 +1134,6 @@ void iwl_setup_rx_handlers(struct iwl_priv *priv)
handlers[REPLY_COMPRESSED_BA] =
iwlagn_rx_reply_compressed_ba;
/* init calibration handlers */
priv->rx_handlers[CALIBRATION_RES_NOTIFICATION] =
iwlagn_rx_calib_result;
priv->rx_handlers[REPLY_TX] = iwlagn_rx_reply_tx;
/* set up notification wait support */

261
drivers/net/wireless/iwlwifi/iwl-agn-rxon.c
View File

@ -24,6 +24,7 @@
*
*****************************************************************************/
#include <linux/etherdevice.h>
#include "iwl-dev.h"
#include "iwl-agn.h"
#include "iwl-core.h"
@ -59,9 +60,12 @@ static int iwlagn_disable_pan(struct iwl_priv *priv,
__le32 old_filter = send->filter_flags;
u8 old_dev_type = send->dev_type;
int ret;
static const u8 deactivate_cmd[] = {
REPLY_WIPAN_DEACTIVATION_COMPLETE
};
iwl_init_notification_wait(&priv->notif_wait, &disable_wait,
REPLY_WIPAN_DEACTIVATION_COMPLETE,
deactivate_cmd, ARRAY_SIZE(deactivate_cmd),
NULL, NULL);
send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
@ -186,6 +190,109 @@ static int iwlagn_send_rxon_assoc(struct iwl_priv *priv,
return ret;
}
static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val)
{
u16 new_val;
u16 beacon_factor;
/*
* If mac80211 hasn't given us a beacon interval, program
* the default into the device (not checking this here
* would cause the adjustment below to return the maximum
* value, which may break PAN.)
*/
if (!beacon_val)
return DEFAULT_BEACON_INTERVAL;
/*
* If the beacon interval we obtained from the peer
* is too large, we'll have to wake up more often
* (and in IBSS case, we'll beacon too much)
*
* For example, if max_beacon_val is 4096, and the
* requested beacon interval is 7000, we'll have to
* use 3500 to be able to wake up on the beacons.
*
* This could badly influence beacon detection stats.
*/
beacon_factor = (beacon_val + max_beacon_val) / max_beacon_val;
new_val = beacon_val / beacon_factor;
if (!new_val)
new_val = max_beacon_val;
return new_val;
}
static int iwl_send_rxon_timing(struct iwl_priv *priv,
struct iwl_rxon_context *ctx)
{
u64 tsf;
s32 interval_tm, rem;
struct ieee80211_conf *conf = NULL;
u16 beacon_int;
struct ieee80211_vif *vif = ctx->vif;
conf = &priv->hw->conf;
lockdep_assert_held(&priv->mutex);
memset(&ctx->timing, 0, sizeof(struct iwl_rxon_time_cmd));
ctx->timing.timestamp = cpu_to_le64(priv->timestamp);
ctx->timing.listen_interval = cpu_to_le16(conf->listen_interval);
beacon_int = vif ? vif->bss_conf.beacon_int : 0;
/*
* TODO: For IBSS we need to get atim_window from mac80211,
* for now just always use 0
*/
ctx->timing.atim_window = 0;
if (ctx->ctxid == IWL_RXON_CTX_PAN &&
(!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION) &&
iwl_is_associated(priv, IWL_RXON_CTX_BSS) &&
priv->contexts[IWL_RXON_CTX_BSS].vif &&
priv->contexts[IWL_RXON_CTX_BSS].vif->bss_conf.beacon_int) {
ctx->timing.beacon_interval =
priv->contexts[IWL_RXON_CTX_BSS].timing.beacon_interval;
beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
} else if (ctx->ctxid == IWL_RXON_CTX_BSS &&
iwl_is_associated(priv, IWL_RXON_CTX_PAN) &&
priv->contexts[IWL_RXON_CTX_PAN].vif &&
priv->contexts[IWL_RXON_CTX_PAN].vif->bss_conf.beacon_int &&
(!iwl_is_associated_ctx(ctx) || !ctx->vif ||
!ctx->vif->bss_conf.beacon_int)) {
ctx->timing.beacon_interval =
priv->contexts[IWL_RXON_CTX_PAN].timing.beacon_interval;
beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
} else {
beacon_int = iwl_adjust_beacon_interval(beacon_int,
IWL_MAX_UCODE_BEACON_INTERVAL * TIME_UNIT);
ctx->timing.beacon_interval = cpu_to_le16(beacon_int);
}
ctx->beacon_int = beacon_int;
tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */
interval_tm = beacon_int * TIME_UNIT;
rem = do_div(tsf, interval_tm);
ctx->timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
ctx->timing.dtim_period = vif ? (vif->bss_conf.dtim_period ?: 1) : 1;
IWL_DEBUG_ASSOC(priv,
"beacon interval %d beacon timer %d beacon tim %d\n",
le16_to_cpu(ctx->timing.beacon_interval),
le32_to_cpu(ctx->timing.beacon_init_val),
le16_to_cpu(ctx->timing.atim_window));
return iwl_dvm_send_cmd_pdu(priv, ctx->rxon_timing_cmd,
CMD_SYNC, sizeof(ctx->timing), &ctx->timing);
}
static int iwlagn_rxon_disconn(struct iwl_priv *priv,
struct iwl_rxon_context *ctx)
{
@ -309,7 +416,7 @@ int iwlagn_set_pan_params(struct iwl_priv *priv)
int slot0 = 300, slot1 = 0;
int ret;
if (priv->shrd->valid_contexts == BIT(IWL_RXON_CTX_BSS))
if (priv->valid_contexts == BIT(IWL_RXON_CTX_BSS))
return 0;
BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
@ -394,6 +501,154 @@ int iwlagn_set_pan_params(struct iwl_priv *priv)
return ret;
}
static void iwl_set_rxon_hwcrypto(struct iwl_priv *priv,
struct iwl_rxon_context *ctx, int hw_decrypt)
{
struct iwl_rxon_cmd *rxon = &ctx->staging;
if (hw_decrypt)
rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK;
else
rxon->filter_flags |= RXON_FILTER_DIS_DECRYPT_MSK;
}
/* validate RXON structure is valid */
static int iwl_check_rxon_cmd(struct iwl_priv *priv,
struct iwl_rxon_context *ctx)
{
struct iwl_rxon_cmd *rxon = &ctx->staging;
u32 errors = 0;
if (rxon->flags & RXON_FLG_BAND_24G_MSK) {
if (rxon->flags & RXON_FLG_TGJ_NARROW_BAND_MSK) {
IWL_WARN(priv, "check 2.4G: wrong narrow\n");
errors |= BIT(0);
}
if (rxon->flags & RXON_FLG_RADAR_DETECT_MSK) {
IWL_WARN(priv, "check 2.4G: wrong radar\n");
errors |= BIT(1);
}
} else {
if (!(rxon->flags & RXON_FLG_SHORT_SLOT_MSK)) {
IWL_WARN(priv, "check 5.2G: not short slot!\n");
errors |= BIT(2);
}
if (rxon->flags & RXON_FLG_CCK_MSK) {
IWL_WARN(priv, "check 5.2G: CCK!\n");
errors |= BIT(3);
}
}
if ((rxon->node_addr[0] | rxon->bssid_addr[0]) & 0x1) {
IWL_WARN(priv, "mac/bssid mcast!\n");
errors |= BIT(4);
}
/* make sure basic rates 6Mbps and 1Mbps are supported */
if ((rxon->ofdm_basic_rates & IWL_RATE_6M_MASK) == 0 &&
(rxon->cck_basic_rates & IWL_RATE_1M_MASK) == 0) {
IWL_WARN(priv, "neither 1 nor 6 are basic\n");
errors |= BIT(5);
}
if (le16_to_cpu(rxon->assoc_id) > 2007) {
IWL_WARN(priv, "aid > 2007\n");
errors |= BIT(6);
}
if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK))
== (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)) {
IWL_WARN(priv, "CCK and short slot\n");
errors |= BIT(7);
}
if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK))
== (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK)) {
IWL_WARN(priv, "CCK and auto detect");
errors |= BIT(8);
}
if ((rxon->flags & (RXON_FLG_AUTO_DETECT_MSK |
RXON_FLG_TGG_PROTECT_MSK)) ==
RXON_FLG_TGG_PROTECT_MSK) {
IWL_WARN(priv, "TGg but no auto-detect\n");
errors |= BIT(9);
}
if (rxon->channel == 0) {
IWL_WARN(priv, "zero channel is invalid\n");
errors |= BIT(10);
}
WARN(errors, "Invalid RXON (%#x), channel %d",
errors, le16_to_cpu(rxon->channel));
return errors ? -EINVAL : 0;
}
/**
* iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed
* @priv: staging_rxon is compared to active_rxon
*
* If the RXON structure is changing enough to require a new tune,
* or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
* a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
*/
static int iwl_full_rxon_required(struct iwl_priv *priv,
struct iwl_rxon_context *ctx)
{
const struct iwl_rxon_cmd *staging = &ctx->staging;
const struct iwl_rxon_cmd *active = &ctx->active;
#define CHK(cond) \
if ((cond)) { \
IWL_DEBUG_INFO(priv, "need full RXON - " #cond "\n"); \
return 1; \
}
#define CHK_NEQ(c1, c2) \
if ((c1) != (c2)) { \
IWL_DEBUG_INFO(priv, "need full RXON - " \
#c1 " != " #c2 " - %d != %d\n", \
(c1), (c2)); \
return 1; \
}
/* These items are only settable from the full RXON command */
CHK(!iwl_is_associated_ctx(ctx));
CHK(compare_ether_addr(staging->bssid_addr, active->bssid_addr));
CHK(compare_ether_addr(staging->node_addr, active->node_addr));
CHK(compare_ether_addr(staging->wlap_bssid_addr,
active->wlap_bssid_addr));
CHK_NEQ(staging->dev_type, active->dev_type);
CHK_NEQ(staging->channel, active->channel);
CHK_NEQ(staging->air_propagation, active->air_propagation);
CHK_NEQ(staging->ofdm_ht_single_stream_basic_rates,
active->ofdm_ht_single_stream_basic_rates);
CHK_NEQ(staging->ofdm_ht_dual_stream_basic_rates,
active->ofdm_ht_dual_stream_basic_rates);
CHK_NEQ(staging->ofdm_ht_triple_stream_basic_rates,
active->ofdm_ht_triple_stream_basic_rates);
CHK_NEQ(staging->assoc_id, active->assoc_id);
/* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
* be updated with the RXON_ASSOC command -- however only some
* flag transitions are allowed using RXON_ASSOC */
/* Check if we are not switching bands */
CHK_NEQ(staging->flags & RXON_FLG_BAND_24G_MSK,
active->flags & RXON_FLG_BAND_24G_MSK);
/* Check if we are switching association toggle */
CHK_NEQ(staging->filter_flags & RXON_FILTER_ASSOC_MSK,
active->filter_flags & RXON_FILTER_ASSOC_MSK);
#undef CHK
#undef CHK_NEQ
return 0;
}
/**
* iwlagn_commit_rxon - commit staging_rxon to hardware
*
@ -547,7 +802,7 @@ int iwlagn_mac_config(struct ieee80211_hw *hw, u32 changed)
const struct iwl_channel_info *ch_info;
int ret = 0;
IWL_DEBUG_MAC80211(priv, "enter: changed %#x", changed);
IWL_DEBUG_MAC80211(priv, "enter: changed %#x\n", changed);
mutex_lock(&priv->mutex);

144
drivers/net/wireless/iwlwifi/iwl-agn-tx.c
View File

@ -40,6 +40,17 @@
#include "iwl-agn.h"
#include "iwl-trans.h"
static const u8 tid_to_ac[] = {
IEEE80211_AC_BE,
IEEE80211_AC_BK,
IEEE80211_AC_BK,
IEEE80211_AC_BE,
IEEE80211_AC_VI,
IEEE80211_AC_VI,
IEEE80211_AC_VO,
IEEE80211_AC_VO,
};
static void iwlagn_tx_cmd_protection(struct iwl_priv *priv,
struct ieee80211_tx_info *info,
__le16 fc, __le32 *tx_flags)
@ -293,6 +304,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
u16 len, seq_number = 0;
u8 sta_id, tid = IWL_MAX_TID_COUNT;
bool is_agg = false;
int txq_id;
if (info->control.vif)
ctx = iwl_rxon_ctx_from_vif(info->control.vif);
@ -435,7 +447,27 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
/* Copy MAC header from skb into command buffer */
memcpy(tx_cmd->hdr, hdr, hdr_len);
if (iwl_trans_tx(trans(priv), skb, dev_cmd, ctx->ctxid, sta_id, tid))
if (is_agg)
txq_id = priv->tid_data[sta_id][tid].agg.txq_id;
else if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
/*
* Send this frame after DTIM -- there's a special queue
* reserved for this for contexts that support AP mode.
*/
txq_id = ctx->mcast_queue;
/*
* The microcode will clear the more data
* bit in the last frame it transmits.
*/
hdr->frame_control |=
cpu_to_le16(IEEE80211_FCTL_MOREDATA);
} else if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN)
txq_id = IWL_AUX_QUEUE;
else
txq_id = ctx->ac_to_queue[skb_get_queue_mapping(skb)];
if (iwl_trans_tx(trans(priv), skb, dev_cmd, txq_id))
goto drop_unlock_sta;
if (ieee80211_is_data_qos(fc) && !ieee80211_is_qos_nullfunc(fc) &&
@ -464,11 +496,32 @@ drop_unlock_priv:
return -1;
}
static int iwlagn_alloc_agg_txq(struct iwl_priv *priv, int ac)
{
int q;
for (q = IWLAGN_FIRST_AMPDU_QUEUE;
q < cfg(priv)->base_params->num_of_queues; q++) {
if (!test_and_set_bit(q, priv->agg_q_alloc)) {
priv->queue_to_ac[q] = ac;
return q;
}
}
return -ENOSPC;
}
static void iwlagn_dealloc_agg_txq(struct iwl_priv *priv, int q)
{
clear_bit(q, priv->agg_q_alloc);
priv->queue_to_ac[q] = IWL_INVALID_AC;
}
int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid)
{
struct iwl_tid_data *tid_data;
int sta_id;
int sta_id, txq_id;
sta_id = iwl_sta_id(sta);
@ -480,6 +533,7 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
spin_lock_bh(&priv->sta_lock);
tid_data = &priv->tid_data[sta_id][tid];
txq_id = priv->tid_data[sta_id][tid].agg.txq_id;
switch (priv->tid_data[sta_id][tid].agg.state) {
case IWL_EMPTYING_HW_QUEUE_ADDBA:
@ -504,9 +558,13 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
tid_data->agg.ssn = SEQ_TO_SN(tid_data->seq_number);
/* There are still packets for this RA / TID in the HW */
if (tid_data->agg.ssn != tid_data->next_reclaimed) {
if (!test_bit(txq_id, priv->agg_q_alloc)) {
IWL_DEBUG_TX_QUEUES(priv,
"stopping AGG on STA/TID %d/%d but hwq %d not used\n",
sta_id, tid, txq_id);
} else if (tid_data->agg.ssn != tid_data->next_reclaimed) {
IWL_DEBUG_TX_QUEUES(priv, "Can't proceed: ssn %d, "
"next_recl = %d",
"next_recl = %d\n",
tid_data->agg.ssn,
tid_data->next_reclaimed);
priv->tid_data[sta_id][tid].agg.state =
@ -515,14 +573,17 @@ int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
return 0;
}
IWL_DEBUG_TX_QUEUES(priv, "Can proceed: ssn = next_recl = %d",
IWL_DEBUG_TX_QUEUES(priv, "Can proceed: ssn = next_recl = %d\n",
tid_data->agg.ssn);
turn_off:
priv->tid_data[sta_id][tid].agg.state = IWL_AGG_OFF;
spin_unlock_bh(&priv->sta_lock);
iwl_trans_tx_agg_disable(trans(priv), sta_id, tid);
if (test_bit(txq_id, priv->agg_q_alloc)) {
iwl_trans_tx_agg_disable(trans(priv), txq_id);
iwlagn_dealloc_agg_txq(priv, txq_id);
}
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
@ -533,8 +594,7 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, u16 tid, u16 *ssn)
{
struct iwl_tid_data *tid_data;
int sta_id;
int ret;
int sta_id, txq_id, ret;
IWL_DEBUG_HT(priv, "TX AGG request on ra = %pM tid = %d\n",
sta->addr, tid);
@ -552,36 +612,37 @@ int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
return -ENXIO;
}
txq_id = iwlagn_alloc_agg_txq(priv, tid_to_ac[tid]);
if (txq_id < 0) {
IWL_DEBUG_TX_QUEUES(priv,
"No free aggregation queue for %pM/%d\n",
sta->addr, tid);
return txq_id;
}
ret = iwl_sta_tx_modify_enable_tid(priv, sta_id, tid);
if (ret)
return ret;
spin_lock_bh(&priv->sta_lock);
tid_data = &priv->tid_data[sta_id][tid];
tid_data->agg.ssn = SEQ_TO_SN(tid_data->seq_number);
tid_data->agg.txq_id = txq_id;
*ssn = tid_data->agg.ssn;
ret = iwl_trans_tx_agg_alloc(trans(priv), sta_id, tid);
if (ret) {
spin_unlock_bh(&priv->sta_lock);
return ret;
}
if (*ssn == tid_data->next_reclaimed) {
IWL_DEBUG_TX_QUEUES(priv, "Can proceed: ssn = next_recl = %d",
IWL_DEBUG_TX_QUEUES(priv, "Can proceed: ssn = next_recl = %d\n",
tid_data->agg.ssn);
tid_data->agg.state = IWL_AGG_ON;
ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
} else {
IWL_DEBUG_TX_QUEUES(priv, "Can't proceed: ssn %d, "
"next_reclaimed = %d",
"next_reclaimed = %d\n",
tid_data->agg.ssn,
tid_data->next_reclaimed);
tid_data->agg.state = IWL_EMPTYING_HW_QUEUE_ADDBA;
}
spin_unlock_bh(&priv->sta_lock);
return ret;
@ -592,15 +653,20 @@ int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
{
struct iwl_station_priv *sta_priv = (void *) sta->drv_priv;
struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
int q, fifo;
u16 ssn;
buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF);
spin_lock_bh(&priv->sta_lock);
ssn = priv->tid_data[sta_priv->sta_id][tid].agg.ssn;
q = priv->tid_data[sta_priv->sta_id][tid].agg.txq_id;
spin_unlock_bh(&priv->sta_lock);
iwl_trans_tx_agg_setup(trans(priv), ctx->ctxid, sta_priv->sta_id, tid,
fifo = ctx->ac_to_fifo[tid_to_ac[tid]];
iwl_trans_tx_agg_setup(trans(priv), q, fifo,
sta_priv->sta_id, tid,
buf_size, ssn);
/*
@ -666,7 +732,9 @@ static void iwlagn_check_ratid_empty(struct iwl_priv *priv, int sta_id, u8 tid)
IWL_DEBUG_TX_QUEUES(priv,
"Can continue DELBA flow ssn = next_recl ="
" %d", tid_data->next_reclaimed);
iwl_trans_tx_agg_disable(trans(priv), sta_id, tid);
iwl_trans_tx_agg_disable(trans(priv),
tid_data->agg.txq_id);
iwlagn_dealloc_agg_txq(priv, tid_data->agg.txq_id);
tid_data->agg.state = IWL_AGG_OFF;
ieee80211_stop_tx_ba_cb_irqsafe(vif, addr, tid);
}
@ -711,9 +779,9 @@ static void iwlagn_non_agg_tx_status(struct iwl_priv *priv,
static void iwlagn_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
struct ieee80211_tx_info *info)
{
struct ieee80211_tx_rate *r = &info->control.rates[0];
struct ieee80211_tx_rate *r = &info->status.rates[0];
info->antenna_sel_tx =
info->status.antenna =
((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS);
if (rate_n_flags & RATE_MCS_HT_MSK)
r->flags |= IEEE80211_TX_RC_MCS;
@ -1005,6 +1073,29 @@ static void iwl_check_abort_status(struct iwl_priv *priv,
}
}
static int iwl_reclaim(struct iwl_priv *priv, int sta_id, int tid,
int txq_id, int ssn, struct sk_buff_head *skbs)
{
if (unlikely(txq_id >= IWLAGN_FIRST_AMPDU_QUEUE &&
tid != IWL_TID_NON_QOS &&
txq_id != priv->tid_data[sta_id][tid].agg.txq_id)) {
/*
* FIXME: this is a uCode bug which need to be addressed,
* log the information and return for now.
* Since it is can possibly happen very often and in order
* not to fill the syslog, don't use IWL_ERR or IWL_WARN
*/
IWL_DEBUG_TX_QUEUES(priv,
"Bad queue mapping txq_id=%d, agg_txq[sta:%d,tid:%d]=%d\n",
txq_id, sta_id, tid,
priv->tid_data[sta_id][tid].agg.txq_id);
return 1;
}
iwl_trans_reclaim(trans(priv), txq_id, ssn, skbs);
return 0;
}
int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
@ -1059,13 +1150,12 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb,
if (tid != IWL_TID_NON_QOS) {
priv->tid_data[sta_id][tid].next_reclaimed =
next_reclaimed;
IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d",
IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d\n",
next_reclaimed);
}
/*we can free until ssn % q.n_bd not inclusive */
WARN_ON(iwl_trans_reclaim(trans(priv), sta_id, tid,
txq_id, ssn, &skbs));
WARN_ON(iwl_reclaim(priv, sta_id, tid, txq_id, ssn, &skbs));
iwlagn_check_ratid_empty(priv, sta_id, tid);
freed = 0;
@ -1183,8 +1273,8 @@ int iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
/* Release all TFDs before the SSN, i.e. all TFDs in front of
* block-ack window (we assume that they've been successfully
* transmitted ... if not, it's too late anyway). */
if (iwl_trans_reclaim(trans(priv), sta_id, tid, scd_flow,
ba_resp_scd_ssn, &reclaimed_skbs)) {
if (iwl_reclaim(priv, sta_id, tid, scd_flow,
ba_resp_scd_ssn, &reclaimed_skbs)) {
spin_unlock(&priv->sta_lock);
return 0;
}

786
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -26,6 +26,9 @@
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
*****************************************************************************/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
@ -379,7 +382,7 @@ static void iwl_continuous_event_trace(struct iwl_priv *priv)
u32 num_wraps; /* # times uCode wrapped to top of log */
u32 next_entry; /* index of next entry to be written by uCode */
base = priv->shrd->device_pointers.log_event_table;
base = priv->device_pointers.log_event_table;
if (iwlagn_hw_valid_rtc_data_addr(base)) {
iwl_read_targ_mem_words(trans(priv), base, &read, sizeof(read));
@ -488,6 +491,93 @@ static void iwl_bg_tx_flush(struct work_struct *work)
iwlagn_dev_txfifo_flush(priv, IWL_DROP_ALL);
}
/*
* queue/FIFO/AC mapping definitions
*/
#define IWL_TX_FIFO_BK 0 /* shared */
#define IWL_TX_FIFO_BE 1
#define IWL_TX_FIFO_VI 2 /* shared */
#define IWL_TX_FIFO_VO 3
#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK
#define IWL_TX_FIFO_BE_IPAN 4
#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI
#define IWL_TX_FIFO_VO_IPAN 5
/* re-uses the VO FIFO, uCode will properly flush/schedule */
#define IWL_TX_FIFO_AUX 5
#define IWL_TX_FIFO_UNUSED -1
#define IWLAGN_CMD_FIFO_NUM 7
/*
* This queue number is required for proper operation
* because the ucode will stop/start the scheduler as
* required.
*/
#define IWL_IPAN_MCAST_QUEUE 8
static const u8 iwlagn_default_queue_to_tx_fifo[] = {
IWL_TX_FIFO_VO,
IWL_TX_FIFO_VI,
IWL_TX_FIFO_BE,
IWL_TX_FIFO_BK,
IWLAGN_CMD_FIFO_NUM,
};
static const u8 iwlagn_ipan_queue_to_tx_fifo[] = {
IWL_TX_FIFO_VO,
IWL_TX_FIFO_VI,
IWL_TX_FIFO_BE,
IWL_TX_FIFO_BK,
IWL_TX_FIFO_BK_IPAN,
IWL_TX_FIFO_BE_IPAN,
IWL_TX_FIFO_VI_IPAN,
IWL_TX_FIFO_VO_IPAN,
IWL_TX_FIFO_BE_IPAN,
IWLAGN_CMD_FIFO_NUM,
IWL_TX_FIFO_AUX,
};
static const u8 iwlagn_bss_ac_to_fifo[] = {
IWL_TX_FIFO_VO,
IWL_TX_FIFO_VI,
IWL_TX_FIFO_BE,
IWL_TX_FIFO_BK,
};
static const u8 iwlagn_bss_ac_to_queue[] = {
0, 1, 2, 3,
};
static const u8 iwlagn_pan_ac_to_fifo[] = {
IWL_TX_FIFO_VO_IPAN,
IWL_TX_FIFO_VI_IPAN,
IWL_TX_FIFO_BE_IPAN,
IWL_TX_FIFO_BK_IPAN,
};
static const u8 iwlagn_pan_ac_to_queue[] = {
7, 6, 5, 4,
};
static const u8 iwlagn_bss_queue_to_ac[] = {
IEEE80211_AC_VO,
IEEE80211_AC_VI,
IEEE80211_AC_BE,
IEEE80211_AC_BK,
};
static const u8 iwlagn_pan_queue_to_ac[] = {
IEEE80211_AC_VO,
IEEE80211_AC_VI,
IEEE80211_AC_BE,
IEEE80211_AC_BK,
IEEE80211_AC_BK,
IEEE80211_AC_BE,
IEEE80211_AC_VI,
IEEE80211_AC_VO,
};
static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
{
int i;
@ -496,9 +586,9 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
* The default context is always valid,
* the PAN context depends on uCode.
*/
priv->shrd->valid_contexts = BIT(IWL_RXON_CTX_BSS);
priv->valid_contexts = BIT(IWL_RXON_CTX_BSS);
if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN)
priv->shrd->valid_contexts |= BIT(IWL_RXON_CTX_PAN);
priv->valid_contexts |= BIT(IWL_RXON_CTX_PAN);
for (i = 0; i < NUM_IWL_RXON_CTX; i++)
priv->contexts[i].ctxid = i;
@ -520,6 +610,10 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
priv->contexts[IWL_RXON_CTX_BSS].ibss_devtype = RXON_DEV_TYPE_IBSS;
priv->contexts[IWL_RXON_CTX_BSS].station_devtype = RXON_DEV_TYPE_ESS;
priv->contexts[IWL_RXON_CTX_BSS].unused_devtype = RXON_DEV_TYPE_ESS;
memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_queue,
iwlagn_bss_ac_to_queue, sizeof(iwlagn_bss_ac_to_queue));
memcpy(priv->contexts[IWL_RXON_CTX_BSS].ac_to_fifo,
iwlagn_bss_ac_to_fifo, sizeof(iwlagn_bss_ac_to_fifo));
priv->contexts[IWL_RXON_CTX_PAN].rxon_cmd = REPLY_WIPAN_RXON;
priv->contexts[IWL_RXON_CTX_PAN].rxon_timing_cmd =
@ -542,6 +636,11 @@ static void iwl_init_context(struct iwl_priv *priv, u32 ucode_flags)
priv->contexts[IWL_RXON_CTX_PAN].ap_devtype = RXON_DEV_TYPE_CP;
priv->contexts[IWL_RXON_CTX_PAN].station_devtype = RXON_DEV_TYPE_2STA;
priv->contexts[IWL_RXON_CTX_PAN].unused_devtype = RXON_DEV_TYPE_P2P;
memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_queue,
iwlagn_pan_ac_to_queue, sizeof(iwlagn_pan_ac_to_queue));
memcpy(priv->contexts[IWL_RXON_CTX_PAN].ac_to_fifo,
iwlagn_pan_ac_to_fifo, sizeof(iwlagn_pan_ac_to_fifo));
priv->contexts[IWL_RXON_CTX_PAN].mcast_queue = IWL_IPAN_MCAST_QUEUE;
BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);
}
@ -824,11 +923,10 @@ void iwl_down(struct iwl_priv *priv)
STATUS_RF_KILL_HW |
test_bit(STATUS_GEO_CONFIGURED, &priv->status) <<
STATUS_GEO_CONFIGURED |
test_bit(STATUS_FW_ERROR, &priv->status) <<
STATUS_FW_ERROR |
test_bit(STATUS_EXIT_PENDING, &priv->status) <<
STATUS_EXIT_PENDING;
priv->shrd->status &=
test_bit(STATUS_FW_ERROR, &priv->shrd->status) <<
STATUS_FW_ERROR;
dev_kfree_skb(priv->beacon_skb);
priv->beacon_skb = NULL;
@ -869,6 +967,7 @@ void iwlagn_prepare_restart(struct iwl_priv *priv)
u8 bt_load;
u8 bt_status;
bool bt_is_sco;
int i;
lockdep_assert_held(&priv->mutex);
@ -898,6 +997,15 @@ void iwlagn_prepare_restart(struct iwl_priv *priv)
priv->bt_traffic_load = bt_load;
priv->bt_status = bt_status;
priv->bt_is_sco = bt_is_sco;
/* reset all queues */
for (i = 0; i < IEEE80211_NUM_ACS; i++)
atomic_set(&priv->ac_stop_count[i], 0);
for (i = IWLAGN_FIRST_AMPDU_QUEUE; i < IWL_MAX_HW_QUEUES; i++)
priv->queue_to_ac[i] = IWL_INVALID_AC;
memset(priv->agg_q_alloc, 0, sizeof(priv->agg_q_alloc));
}
static void iwl_bg_restart(struct work_struct *data)
@ -907,7 +1015,7 @@ static void iwl_bg_restart(struct work_struct *data)
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
if (test_and_clear_bit(STATUS_FW_ERROR, &priv->shrd->status)) {
if (test_and_clear_bit(STATUS_FW_ERROR, &priv->status)) {
mutex_lock(&priv->mutex);
iwlagn_prepare_restart(priv);
mutex_unlock(&priv->mutex);
@ -1028,6 +1136,189 @@ static void iwl_init_hw_rates(struct ieee80211_rate *rates)
}
}
#define MAX_BIT_RATE_40_MHZ 150 /* Mbps */
#define MAX_BIT_RATE_20_MHZ 72 /* Mbps */
static void iwl_init_ht_hw_capab(const struct iwl_priv *priv,
struct ieee80211_sta_ht_cap *ht_info,
enum ieee80211_band band)
{
u16 max_bit_rate = 0;
u8 rx_chains_num = hw_params(priv).rx_chains_num;
u8 tx_chains_num = hw_params(priv).tx_chains_num;
ht_info->cap = 0;
memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
ht_info->ht_supported = true;
if (cfg(priv)->ht_params &&
cfg(priv)->ht_params->ht_greenfield_support)
ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
max_bit_rate = MAX_BIT_RATE_20_MHZ;
if (hw_params(priv).ht40_channel & BIT(band)) {
ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
ht_info->mcs.rx_mask[4] = 0x01;
max_bit_rate = MAX_BIT_RATE_40_MHZ;
}
if (iwlagn_mod_params.amsdu_size_8K)
ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU;
ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF;
ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF;
ht_info->mcs.rx_mask[0] = 0xFF;
if (rx_chains_num >= 2)
ht_info->mcs.rx_mask[1] = 0xFF;
if (rx_chains_num >= 3)
ht_info->mcs.rx_mask[2] = 0xFF;
/* Highest supported Rx data rate */
max_bit_rate *= rx_chains_num;
WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK);
ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate);
/* Tx MCS capabilities */
ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
if (tx_chains_num != rx_chains_num) {
ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
ht_info->mcs.tx_params |= ((tx_chains_num - 1) <<
IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
}
}
/**
* iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom
*/
static int iwl_init_geos(struct iwl_priv *priv)
{
struct iwl_channel_info *ch;
struct ieee80211_supported_band *sband;
struct ieee80211_channel *channels;
struct ieee80211_channel *geo_ch;
struct ieee80211_rate *rates;
int i = 0;
s8 max_tx_power = IWLAGN_TX_POWER_TARGET_POWER_MIN;
if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n");
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
}
channels = kcalloc(priv->channel_count,
sizeof(struct ieee80211_channel), GFP_KERNEL);
if (!channels)
return -ENOMEM;
rates = kcalloc(IWL_RATE_COUNT_LEGACY, sizeof(struct ieee80211_rate),
GFP_KERNEL);
if (!rates) {
kfree(channels);
return -ENOMEM;
}
/* 5.2GHz channels start after the 2.4GHz channels */
sband = &priv->bands[IEEE80211_BAND_5GHZ];
sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)];
/* just OFDM */
sband->bitrates = &rates[IWL_FIRST_OFDM_RATE];
sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE;
if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
iwl_init_ht_hw_capab(priv, &sband->ht_cap,
IEEE80211_BAND_5GHZ);
sband = &priv->bands[IEEE80211_BAND_2GHZ];
sband->channels = channels;
/* OFDM & CCK */
sband->bitrates = rates;
sband->n_bitrates = IWL_RATE_COUNT_LEGACY;
if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
iwl_init_ht_hw_capab(priv, &sband->ht_cap,
IEEE80211_BAND_2GHZ);
priv->ieee_channels = channels;
priv->ieee_rates = rates;
for (i = 0; i < priv->channel_count; i++) {
ch = &priv->channel_info[i];
/* FIXME: might be removed if scan is OK */
if (!is_channel_valid(ch))
continue;
sband = &priv->bands[ch->band];
geo_ch = &sband->channels[sband->n_channels++];
geo_ch->center_freq =
ieee80211_channel_to_frequency(ch->channel, ch->band);
geo_ch->max_power = ch->max_power_avg;
geo_ch->max_antenna_gain = 0xff;
geo_ch->hw_value = ch->channel;
if (is_channel_valid(ch)) {
if (!(ch->flags & EEPROM_CHANNEL_IBSS))
geo_ch->flags |= IEEE80211_CHAN_NO_IBSS;
if (!(ch->flags & EEPROM_CHANNEL_ACTIVE))
geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN;
if (ch->flags & EEPROM_CHANNEL_RADAR)
geo_ch->flags |= IEEE80211_CHAN_RADAR;
geo_ch->flags |= ch->ht40_extension_channel;
if (ch->max_power_avg > max_tx_power)
max_tx_power = ch->max_power_avg;
} else {
geo_ch->flags |= IEEE80211_CHAN_DISABLED;
}
IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n",
ch->channel, geo_ch->center_freq,
is_channel_a_band(ch) ? "5.2" : "2.4",
geo_ch->flags & IEEE80211_CHAN_DISABLED ?
"restricted" : "valid",
geo_ch->flags);
}
priv->tx_power_device_lmt = max_tx_power;
priv->tx_power_user_lmt = max_tx_power;
priv->tx_power_next = max_tx_power;
if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
hw_params(priv).sku & EEPROM_SKU_CAP_BAND_52GHZ) {
IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
"Please send your %s to maintainer.\n",
trans(priv)->hw_id_str);
hw_params(priv).sku &= ~EEPROM_SKU_CAP_BAND_52GHZ;
}
IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n",
priv->bands[IEEE80211_BAND_2GHZ].n_channels,
priv->bands[IEEE80211_BAND_5GHZ].n_channels);
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
}
/*
* iwl_free_geos - undo allocations in iwl_init_geos
*/
static void iwl_free_geos(struct iwl_priv *priv)
{
kfree(priv->ieee_channels);
kfree(priv->ieee_rates);
clear_bit(STATUS_GEO_CONFIGURED, &priv->status);
}
static int iwl_init_drv(struct iwl_priv *priv)
{
int ret;
@ -1130,8 +1421,6 @@ static void iwl_set_hw_params(struct iwl_priv *priv)
if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_ALL)
hw_params(priv).sku &= ~EEPROM_SKU_CAP_11N_ENABLE;
hw_params(priv).num_ampdu_queues =
cfg(priv)->base_params->num_of_ampdu_queues;
hw_params(priv).wd_timeout = cfg(priv)->base_params->wd_timeout;
/* Device-specific setup */
@ -1178,7 +1467,6 @@ static void iwl_debug_config(struct iwl_priv *priv)
static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
const struct iwl_fw *fw)
{
int err = 0;
struct iwl_priv *priv;
struct ieee80211_hw *hw;
struct iwl_op_mode *op_mode;
@ -1193,6 +1481,9 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
STATISTICS_NOTIFICATION,
REPLY_TX,
};
const u8 *q_to_ac;
int n_q_to_ac;
int i;
/************************
* 1. Allocating HW data
@ -1201,7 +1492,6 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
if (!hw) {
pr_err("%s: Cannot allocate network device\n",
cfg(trans)->name);
err = -ENOMEM;
goto out;
}
@ -1210,8 +1500,6 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
priv = IWL_OP_MODE_GET_DVM(op_mode);
priv->shrd = trans->shrd;
priv->fw = fw;
/* TODO: remove fw from shared data later */
priv->shrd->fw = fw;
/*
* Populate the state variables that the transport layer needs
@ -1230,9 +1518,19 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
if (ucode_flags & IWL_UCODE_TLV_FLAGS_PAN) {
priv->sta_key_max_num = STA_KEY_MAX_NUM_PAN;
trans_cfg.cmd_queue = IWL_IPAN_CMD_QUEUE_NUM;
trans_cfg.queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo;
trans_cfg.n_queue_to_fifo =
ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo);
q_to_ac = iwlagn_pan_queue_to_ac;
n_q_to_ac = ARRAY_SIZE(iwlagn_pan_queue_to_ac);
} else {
priv->sta_key_max_num = STA_KEY_MAX_NUM;
trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo;
trans_cfg.n_queue_to_fifo =
ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo);
q_to_ac = iwlagn_bss_queue_to_ac;
n_q_to_ac = ARRAY_SIZE(iwlagn_bss_queue_to_ac);
}
/* Configure transport layer */
@ -1273,26 +1571,24 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
IWL_INFO(priv, "Detected %s, REV=0x%X\n",
cfg(priv)->name, trans(priv)->hw_rev);
err = iwl_trans_start_hw(trans(priv));
if (err)
if (iwl_trans_start_hw(trans(priv)))
goto out_free_traffic_mem;
/*****************
* 3. Read EEPROM
*****************/
err = iwl_eeprom_init(trans(priv), trans(priv)->hw_rev);
/* Reset chip to save power until we load uCode during "up". */
iwl_trans_stop_hw(trans(priv));
if (err) {
/* Read the EEPROM */
if (iwl_eeprom_init(trans(priv), trans(priv)->hw_rev)) {
IWL_ERR(priv, "Unable to init EEPROM\n");
goto out_free_traffic_mem;
}
err = iwl_eeprom_check_version(priv);
if (err)
/* Reset chip to save power until we load uCode during "up". */
iwl_trans_stop_hw(trans(priv));
if (iwl_eeprom_check_version(priv))
goto out_free_eeprom;
err = iwl_eeprom_init_hw_params(priv);
if (err)
if (iwl_eeprom_init_hw_params(priv))
goto out_free_eeprom;
/* extract MAC Address */
@ -1323,6 +1619,11 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
ucode_flags &= ~IWL_UCODE_TLV_FLAGS_P2P;
priv->sta_key_max_num = STA_KEY_MAX_NUM;
trans_cfg.cmd_queue = IWL_DEFAULT_CMD_QUEUE_NUM;
trans_cfg.queue_to_fifo = iwlagn_default_queue_to_tx_fifo;
trans_cfg.n_queue_to_fifo =
ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo);
q_to_ac = iwlagn_bss_queue_to_ac;
n_q_to_ac = ARRAY_SIZE(iwlagn_bss_queue_to_ac);
/* Configure transport layer again*/
iwl_trans_configure(trans(priv), &trans_cfg);
@ -1331,10 +1632,22 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
/*******************
* 5. Setup priv
*******************/
for (i = 0; i < IEEE80211_NUM_ACS; i++)
atomic_set(&priv->ac_stop_count[i], 0);
err = iwl_init_drv(priv);
if (err)
for (i = 0; i < IWL_MAX_HW_QUEUES; i++) {
if (i < n_q_to_ac)
priv->queue_to_ac[i] = q_to_ac[i];
else
priv->queue_to_ac[i] = IWL_INVALID_AC;
}
WARN_ON(trans_cfg.queue_to_fifo[trans_cfg.cmd_queue] !=
IWLAGN_CMD_FIFO_NUM);
if (iwl_init_drv(priv))
goto out_free_eeprom;
/* At this point both hw and priv are initialized. */
/********************
@ -1367,15 +1680,12 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
*
* 7. Setup and register with mac80211 and debugfs
**************************************************/
err = iwlagn_mac_setup_register(priv, &fw->ucode_capa);
if (err)
if (iwlagn_mac_setup_register(priv, &fw->ucode_capa))
goto out_destroy_workqueue;
err = iwl_dbgfs_register(priv, DRV_NAME);
if (err)
if (iwl_dbgfs_register(priv, DRV_NAME))
IWL_ERR(priv,
"failed to create debugfs files. Ignoring error: %d\n",
err);
"failed to create debugfs files. Ignoring error\n");
return op_mode;
@ -1429,13 +1739,399 @@ static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode)
ieee80211_free_hw(priv->hw);
}
static const char * const desc_lookup_text[] = {
"OK",
"FAIL",
"BAD_PARAM",
"BAD_CHECKSUM",
"NMI_INTERRUPT_WDG",
"SYSASSERT",
"FATAL_ERROR",
"BAD_COMMAND",
"HW_ERROR_TUNE_LOCK",
"HW_ERROR_TEMPERATURE",
"ILLEGAL_CHAN_FREQ",
"VCC_NOT_STABLE",
"FH_ERROR",
"NMI_INTERRUPT_HOST",
"NMI_INTERRUPT_ACTION_PT",
"NMI_INTERRUPT_UNKNOWN",
"UCODE_VERSION_MISMATCH",
"HW_ERROR_ABS_LOCK",
"HW_ERROR_CAL_LOCK_FAIL",
"NMI_INTERRUPT_INST_ACTION_PT",
"NMI_INTERRUPT_DATA_ACTION_PT",
"NMI_TRM_HW_ER",
"NMI_INTERRUPT_TRM",
"NMI_INTERRUPT_BREAK_POINT",
"DEBUG_0",
"DEBUG_1",
"DEBUG_2",
"DEBUG_3",
};
static struct { char *name; u8 num; } advanced_lookup[] = {
{ "NMI_INTERRUPT_WDG", 0x34 },
{ "SYSASSERT", 0x35 },
{ "UCODE_VERSION_MISMATCH", 0x37 },
{ "BAD_COMMAND", 0x38 },
{ "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
{ "FATAL_ERROR", 0x3D },
{ "NMI_TRM_HW_ERR", 0x46 },
{ "NMI_INTERRUPT_TRM", 0x4C },
{ "NMI_INTERRUPT_BREAK_POINT", 0x54 },
{ "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
{ "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
{ "NMI_INTERRUPT_HOST", 0x66 },
{ "NMI_INTERRUPT_ACTION_PT", 0x7C },
{ "NMI_INTERRUPT_UNKNOWN", 0x84 },
{ "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
{ "ADVANCED_SYSASSERT", 0 },
};
static const char *desc_lookup(u32 num)
{
int i;
int max = ARRAY_SIZE(desc_lookup_text);
if (num < max)
return desc_lookup_text[num];
max = ARRAY_SIZE(advanced_lookup) - 1;
for (i = 0; i < max; i++) {
if (advanced_lookup[i].num == num)
break;
}
return advanced_lookup[i].name;
}
#define ERROR_START_OFFSET (1 * sizeof(u32))
#define ERROR_ELEM_SIZE (7 * sizeof(u32))
static void iwl_dump_nic_error_log(struct iwl_priv *priv)
{
struct iwl_trans *trans = trans(priv);
u32 base;
struct iwl_error_event_table table;
base = priv->device_pointers.error_event_table;
if (priv->cur_ucode == IWL_UCODE_INIT) {
if (!base)
base = priv->fw->init_errlog_ptr;
} else {
if (!base)
base = priv->fw->inst_errlog_ptr;
}
if (!iwlagn_hw_valid_rtc_data_addr(base)) {
IWL_ERR(priv,
"Not valid error log pointer 0x%08X for %s uCode\n",
base,
(priv->cur_ucode == IWL_UCODE_INIT)
? "Init" : "RT");
return;
}
/*TODO: Update dbgfs with ISR error stats obtained below */
iwl_read_targ_mem_words(trans, base, &table, sizeof(table));
if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
IWL_ERR(trans, "Start IWL Error Log Dump:\n");
IWL_ERR(trans, "Status: 0x%08lX, count: %d\n",
priv->shrd->status, table.valid);
}
trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
table.data1, table.data2, table.line,
table.blink1, table.blink2, table.ilink1,
table.ilink2, table.bcon_time, table.gp1,
table.gp2, table.gp3, table.ucode_ver,
table.hw_ver, table.brd_ver);
IWL_ERR(priv, "0x%08X | %-28s\n", table.error_id,
desc_lookup(table.error_id));
IWL_ERR(priv, "0x%08X | uPc\n", table.pc);
IWL_ERR(priv, "0x%08X | branchlink1\n", table.blink1);
IWL_ERR(priv, "0x%08X | branchlink2\n", table.blink2);
IWL_ERR(priv, "0x%08X | interruptlink1\n", table.ilink1);
IWL_ERR(priv, "0x%08X | interruptlink2\n", table.ilink2);
IWL_ERR(priv, "0x%08X | data1\n", table.data1);
IWL_ERR(priv, "0x%08X | data2\n", table.data2);
IWL_ERR(priv, "0x%08X | line\n", table.line);
IWL_ERR(priv, "0x%08X | beacon time\n", table.bcon_time);
IWL_ERR(priv, "0x%08X | tsf low\n", table.tsf_low);
IWL_ERR(priv, "0x%08X | tsf hi\n", table.tsf_hi);
IWL_ERR(priv, "0x%08X | time gp1\n", table.gp1);
IWL_ERR(priv, "0x%08X | time gp2\n", table.gp2);
IWL_ERR(priv, "0x%08X | time gp3\n", table.gp3);
IWL_ERR(priv, "0x%08X | uCode version\n", table.ucode_ver);
IWL_ERR(priv, "0x%08X | hw version\n", table.hw_ver);
IWL_ERR(priv, "0x%08X | board version\n", table.brd_ver);
IWL_ERR(priv, "0x%08X | hcmd\n", table.hcmd);
IWL_ERR(priv, "0x%08X | isr0\n", table.isr0);
IWL_ERR(priv, "0x%08X | isr1\n", table.isr1);
IWL_ERR(priv, "0x%08X | isr2\n", table.isr2);
IWL_ERR(priv, "0x%08X | isr3\n", table.isr3);
IWL_ERR(priv, "0x%08X | isr4\n", table.isr4);
IWL_ERR(priv, "0x%08X | isr_pref\n", table.isr_pref);
IWL_ERR(priv, "0x%08X | wait_event\n", table.wait_event);
IWL_ERR(priv, "0x%08X | l2p_control\n", table.l2p_control);
IWL_ERR(priv, "0x%08X | l2p_duration\n", table.l2p_duration);
IWL_ERR(priv, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid);
IWL_ERR(priv, "0x%08X | l2p_addr_match\n", table.l2p_addr_match);
IWL_ERR(priv, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel);
IWL_ERR(priv, "0x%08X | timestamp\n", table.u_timestamp);
IWL_ERR(priv, "0x%08X | flow_handler\n", table.flow_handler);
}
#define EVENT_START_OFFSET (4 * sizeof(u32))
/**
* iwl_print_event_log - Dump error event log to syslog
*
*/
static int iwl_print_event_log(struct iwl_priv *priv, u32 start_idx,
u32 num_events, u32 mode,
int pos, char **buf, size_t bufsz)
{
u32 i;
u32 base; /* SRAM byte address of event log header */
u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */
u32 ptr; /* SRAM byte address of log data */
u32 ev, time, data; /* event log data */
unsigned long reg_flags;
struct iwl_trans *trans = trans(priv);
if (num_events == 0)
return pos;
base = priv->device_pointers.log_event_table;
if (priv->cur_ucode == IWL_UCODE_INIT) {
if (!base)
base = priv->fw->init_evtlog_ptr;
} else {
if (!base)
base = priv->fw->inst_evtlog_ptr;
}
if (mode == 0)
event_size = 2 * sizeof(u32);
else
event_size = 3 * sizeof(u32);
ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
/* Make sure device is powered up for SRAM reads */
spin_lock_irqsave(&trans->reg_lock, reg_flags);
if (unlikely(!iwl_grab_nic_access(trans)))
goto out_unlock;
/* Set starting address; reads will auto-increment */
iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr);
/* "time" is actually "data" for mode 0 (no timestamp).
* place event id # at far right for easier visual parsing. */
for (i = 0; i < num_events; i++) {
ev = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
time = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
if (mode == 0) {
/* data, ev */
if (bufsz) {
pos += scnprintf(*buf + pos, bufsz - pos,
"EVT_LOG:0x%08x:%04u\n",
time, ev);
} else {
trace_iwlwifi_dev_ucode_event(trans->dev, 0,
time, ev);
IWL_ERR(priv, "EVT_LOG:0x%08x:%04u\n",
time, ev);
}
} else {
data = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
if (bufsz) {
pos += scnprintf(*buf + pos, bufsz - pos,
"EVT_LOGT:%010u:0x%08x:%04u\n",
time, data, ev);
} else {
IWL_ERR(priv, "EVT_LOGT:%010u:0x%08x:%04u\n",
time, data, ev);
trace_iwlwifi_dev_ucode_event(trans->dev, time,
data, ev);
}
}
}
/* Allow device to power down */
iwl_release_nic_access(trans);
out_unlock:
spin_unlock_irqrestore(&trans->reg_lock, reg_flags);
return pos;
}
/**
* iwl_print_last_event_logs - Dump the newest # of event log to syslog
*/
static int iwl_print_last_event_logs(struct iwl_priv *priv, u32 capacity,
u32 num_wraps, u32 next_entry,
u32 size, u32 mode,
int pos, char **buf, size_t bufsz)
{
/*
* display the newest DEFAULT_LOG_ENTRIES entries
* i.e the entries just before the next ont that uCode would fill.
*/
if (num_wraps) {
if (next_entry < size) {
pos = iwl_print_event_log(priv,
capacity - (size - next_entry),
size - next_entry, mode,
pos, buf, bufsz);
pos = iwl_print_event_log(priv, 0,
next_entry, mode,
pos, buf, bufsz);
} else
pos = iwl_print_event_log(priv, next_entry - size,
size, mode, pos, buf, bufsz);
} else {
if (next_entry < size) {
pos = iwl_print_event_log(priv, 0, next_entry,
mode, pos, buf, bufsz);
} else {
pos = iwl_print_event_log(priv, next_entry - size,
size, mode, pos, buf, bufsz);
}
}
return pos;
}
#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20)
int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
char **buf, bool display)
{
u32 base; /* SRAM byte address of event log header */
u32 capacity; /* event log capacity in # entries */
u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */
u32 num_wraps; /* # times uCode wrapped to top of log */
u32 next_entry; /* index of next entry to be written by uCode */
u32 size; /* # entries that we'll print */
u32 logsize;
int pos = 0;
size_t bufsz = 0;
struct iwl_trans *trans = trans(priv);
base = priv->device_pointers.log_event_table;
if (priv->cur_ucode == IWL_UCODE_INIT) {
logsize = priv->fw->init_evtlog_size;
if (!base)
base = priv->fw->init_evtlog_ptr;
} else {
logsize = priv->fw->inst_evtlog_size;
if (!base)
base = priv->fw->inst_evtlog_ptr;
}
if (!iwlagn_hw_valid_rtc_data_addr(base)) {
IWL_ERR(priv,
"Invalid event log pointer 0x%08X for %s uCode\n",
base,
(priv->cur_ucode == IWL_UCODE_INIT)
? "Init" : "RT");
return -EINVAL;
}
/* event log header */
capacity = iwl_read_targ_mem(trans, base);
mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32)));
num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32)));
next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32)));
if (capacity > logsize) {
IWL_ERR(priv, "Log capacity %d is bogus, limit to %d "
"entries\n", capacity, logsize);
capacity = logsize;
}
if (next_entry > logsize) {
IWL_ERR(priv, "Log write index %d is bogus, limit to %d\n",
next_entry, logsize);
next_entry = logsize;
}
size = num_wraps ? capacity : next_entry;
/* bail out if nothing in log */
if (size == 0) {
IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n");
return pos;
}
#ifdef CONFIG_IWLWIFI_DEBUG
if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log)
size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
#else
size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
#endif
IWL_ERR(priv, "Start IWL Event Log Dump: display last %u entries\n",
size);
#ifdef CONFIG_IWLWIFI_DEBUG
if (display) {
if (full_log)
bufsz = capacity * 48;
else
bufsz = size * 48;
*buf = kmalloc(bufsz, GFP_KERNEL);
if (!*buf)
return -ENOMEM;
}
if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) {
/*
* if uCode has wrapped back to top of log,
* start at the oldest entry,
* i.e the next one that uCode would fill.
*/
if (num_wraps)
pos = iwl_print_event_log(priv, next_entry,
capacity - next_entry, mode,
pos, buf, bufsz);
/* (then/else) start at top of log */
pos = iwl_print_event_log(priv, 0,
next_entry, mode, pos, buf, bufsz);
} else
pos = iwl_print_last_event_logs(priv, capacity, num_wraps,
next_entry, size, mode,
pos, buf, bufsz);
#else
pos = iwl_print_last_event_logs(priv, capacity, num_wraps,
next_entry, size, mode,
pos, buf, bufsz);
#endif
return pos;
}
static void iwl_nic_error(struct iwl_op_mode *op_mode)
{
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
IWL_ERR(priv, "Loaded firmware version: %s\n",
priv->fw->fw_version);
iwl_dump_nic_error_log(priv);
iwl_dump_nic_event_log(priv, false, NULL, false);
iwlagn_fw_error(priv, false);
}
static void iwl_cmd_queue_full(struct iwl_op_mode *op_mode)
{
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
if (!iwl_check_for_ct_kill(priv)) {
IWL_ERR(priv, "Restarting adapter queue is full\n");
iwl_nic_error(op_mode);
iwlagn_fw_error(priv, false);
}
}
@ -1446,17 +2142,39 @@ static void iwl_nic_config(struct iwl_op_mode *op_mode)
cfg(priv)->lib->nic_config(priv);
}
static void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, u8 ac)
static void iwl_stop_sw_queue(struct iwl_op_mode *op_mode, int queue)
{
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
int ac = priv->queue_to_ac[queue];
if (WARN_ON_ONCE(ac == IWL_INVALID_AC))
return;
if (atomic_inc_return(&priv->ac_stop_count[ac]) > 1) {
IWL_DEBUG_TX_QUEUES(priv,
"queue %d (AC %d) already stopped\n",
queue, ac);
return;
}
set_bit(ac, &priv->transport_queue_stop);
ieee80211_stop_queue(priv->hw, ac);
}
static void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, u8 ac)
static void iwl_wake_sw_queue(struct iwl_op_mode *op_mode, int queue)
{
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
int ac = priv->queue_to_ac[queue];
if (WARN_ON_ONCE(ac == IWL_INVALID_AC))
return;
if (atomic_dec_return(&priv->ac_stop_count[ac]) > 0) {
IWL_DEBUG_TX_QUEUES(priv,
"queue %d (AC %d) already awake\n",
queue, ac);
return;
}
clear_bit(ac, &priv->transport_queue_stop);

23
drivers/net/wireless/iwlwifi/iwl-agn.h
View File

@ -65,6 +65,13 @@
#include "iwl-dev.h"
/* The first 11 queues (0-10) are used otherwise */
#define IWLAGN_FIRST_AMPDU_QUEUE 11
/* AUX (TX during scan dwell) queue */
#define IWL_AUX_QUEUE 10
struct iwl_ucode_capabilities;
extern struct ieee80211_ops iwlagn_hw_ops;
@ -85,7 +92,6 @@ int __must_check iwl_rx_dispatch(struct iwl_op_mode *op_mode,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state);
void iwl_nic_error(struct iwl_op_mode *op_mode);
bool iwl_check_for_ct_kill(struct iwl_priv *priv);
@ -115,9 +121,6 @@ void iwlagn_config_ht40(struct ieee80211_conf *conf,
struct iwl_rxon_context *ctx);
/* uCode */
int iwlagn_rx_calib_result(struct iwl_priv *priv,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
int iwl_send_bt_env(struct iwl_priv *priv, u8 action, u8 type);
void iwl_send_prio_tbl(struct iwl_priv *priv);
int iwl_init_alive_start(struct iwl_priv *priv);
@ -128,6 +131,9 @@ int iwl_send_calib_results(struct iwl_priv *priv);
int iwl_calib_set(struct iwl_priv *priv,
const struct iwl_calib_hdr *cmd, int len);
void iwl_calib_free_results(struct iwl_priv *priv);
void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand);
int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
char **buf, bool display);
/* lib */
int iwlagn_send_tx_power(struct iwl_priv *priv);
@ -386,6 +392,15 @@ static inline int iwl_is_ready_rf(struct iwl_priv *priv)
return iwl_is_ready(priv);
}
static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
{
if (state)
set_bit(STATUS_POWER_PMI, &priv->status);
else
clear_bit(STATUS_POWER_PMI, &priv->status);
iwl_trans_set_pmi(trans(priv), state);
}
#ifdef CONFIG_IWLWIFI_DEBUG
#define IWL_DEBUG_QUIET_RFKILL(m, fmt, args...) \
do { \

484
drivers/net/wireless/iwlwifi/iwl-core.c
View File

@ -28,7 +28,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/etherdevice.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <net/mac80211.h>
@ -44,189 +43,6 @@
const u8 iwl_bcast_addr[ETH_ALEN] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
#define MAX_BIT_RATE_40_MHZ 150 /* Mbps */
#define MAX_BIT_RATE_20_MHZ 72 /* Mbps */
static void iwl_init_ht_hw_capab(const struct iwl_priv *priv,
struct ieee80211_sta_ht_cap *ht_info,
enum ieee80211_band band)
{
u16 max_bit_rate = 0;
u8 rx_chains_num = hw_params(priv).rx_chains_num;
u8 tx_chains_num = hw_params(priv).tx_chains_num;
ht_info->cap = 0;
memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
ht_info->ht_supported = true;
if (cfg(priv)->ht_params &&
cfg(priv)->ht_params->ht_greenfield_support)
ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD;
ht_info->cap |= IEEE80211_HT_CAP_SGI_20;
max_bit_rate = MAX_BIT_RATE_20_MHZ;
if (hw_params(priv).ht40_channel & BIT(band)) {
ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40;
ht_info->cap |= IEEE80211_HT_CAP_SGI_40;
ht_info->mcs.rx_mask[4] = 0x01;
max_bit_rate = MAX_BIT_RATE_40_MHZ;
}
if (iwlagn_mod_params.amsdu_size_8K)
ht_info->cap |= IEEE80211_HT_CAP_MAX_AMSDU;
ht_info->ampdu_factor = CFG_HT_RX_AMPDU_FACTOR_DEF;
ht_info->ampdu_density = CFG_HT_MPDU_DENSITY_DEF;
ht_info->mcs.rx_mask[0] = 0xFF;
if (rx_chains_num >= 2)
ht_info->mcs.rx_mask[1] = 0xFF;
if (rx_chains_num >= 3)
ht_info->mcs.rx_mask[2] = 0xFF;
/* Highest supported Rx data rate */
max_bit_rate *= rx_chains_num;
WARN_ON(max_bit_rate & ~IEEE80211_HT_MCS_RX_HIGHEST_MASK);
ht_info->mcs.rx_highest = cpu_to_le16(max_bit_rate);
/* Tx MCS capabilities */
ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
if (tx_chains_num != rx_chains_num) {
ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
ht_info->mcs.tx_params |= ((tx_chains_num - 1) <<
IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
}
}
/**
* iwl_init_geos - Initialize mac80211's geo/channel info based from eeprom
*/
int iwl_init_geos(struct iwl_priv *priv)
{
struct iwl_channel_info *ch;
struct ieee80211_supported_band *sband;
struct ieee80211_channel *channels;
struct ieee80211_channel *geo_ch;
struct ieee80211_rate *rates;
int i = 0;
s8 max_tx_power = IWLAGN_TX_POWER_TARGET_POWER_MIN;
if (priv->bands[IEEE80211_BAND_2GHZ].n_bitrates ||
priv->bands[IEEE80211_BAND_5GHZ].n_bitrates) {
IWL_DEBUG_INFO(priv, "Geography modes already initialized.\n");
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
}
channels = kcalloc(priv->channel_count,
sizeof(struct ieee80211_channel), GFP_KERNEL);
if (!channels)
return -ENOMEM;
rates = kcalloc(IWL_RATE_COUNT_LEGACY, sizeof(struct ieee80211_rate),
GFP_KERNEL);
if (!rates) {
kfree(channels);
return -ENOMEM;
}
/* 5.2GHz channels start after the 2.4GHz channels */
sband = &priv->bands[IEEE80211_BAND_5GHZ];
sband->channels = &channels[ARRAY_SIZE(iwl_eeprom_band_1)];
/* just OFDM */
sband->bitrates = &rates[IWL_FIRST_OFDM_RATE];
sband->n_bitrates = IWL_RATE_COUNT_LEGACY - IWL_FIRST_OFDM_RATE;
if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
iwl_init_ht_hw_capab(priv, &sband->ht_cap,
IEEE80211_BAND_5GHZ);
sband = &priv->bands[IEEE80211_BAND_2GHZ];
sband->channels = channels;
/* OFDM & CCK */
sband->bitrates = rates;
sband->n_bitrates = IWL_RATE_COUNT_LEGACY;
if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
iwl_init_ht_hw_capab(priv, &sband->ht_cap,
IEEE80211_BAND_2GHZ);
priv->ieee_channels = channels;
priv->ieee_rates = rates;
for (i = 0; i < priv->channel_count; i++) {
ch = &priv->channel_info[i];
/* FIXME: might be removed if scan is OK */
if (!is_channel_valid(ch))
continue;
sband = &priv->bands[ch->band];
geo_ch = &sband->channels[sband->n_channels++];
geo_ch->center_freq =
ieee80211_channel_to_frequency(ch->channel, ch->band);
geo_ch->max_power = ch->max_power_avg;
geo_ch->max_antenna_gain = 0xff;
geo_ch->hw_value = ch->channel;
if (is_channel_valid(ch)) {
if (!(ch->flags & EEPROM_CHANNEL_IBSS))
geo_ch->flags |= IEEE80211_CHAN_NO_IBSS;
if (!(ch->flags & EEPROM_CHANNEL_ACTIVE))
geo_ch->flags |= IEEE80211_CHAN_PASSIVE_SCAN;
if (ch->flags & EEPROM_CHANNEL_RADAR)
geo_ch->flags |= IEEE80211_CHAN_RADAR;
geo_ch->flags |= ch->ht40_extension_channel;
if (ch->max_power_avg > max_tx_power)
max_tx_power = ch->max_power_avg;
} else {
geo_ch->flags |= IEEE80211_CHAN_DISABLED;
}
IWL_DEBUG_INFO(priv, "Channel %d Freq=%d[%sGHz] %s flag=0x%X\n",
ch->channel, geo_ch->center_freq,
is_channel_a_band(ch) ? "5.2" : "2.4",
geo_ch->flags & IEEE80211_CHAN_DISABLED ?
"restricted" : "valid",
geo_ch->flags);
}
priv->tx_power_device_lmt = max_tx_power;
priv->tx_power_user_lmt = max_tx_power;
priv->tx_power_next = max_tx_power;
if ((priv->bands[IEEE80211_BAND_5GHZ].n_channels == 0) &&
hw_params(priv).sku & EEPROM_SKU_CAP_BAND_52GHZ) {
IWL_INFO(priv, "Incorrectly detected BG card as ABG. "
"Please send your %s to maintainer.\n",
trans(priv)->hw_id_str);
hw_params(priv).sku &= ~EEPROM_SKU_CAP_BAND_52GHZ;
}
IWL_INFO(priv, "Tunable channels: %d 802.11bg, %d 802.11a channels\n",
priv->bands[IEEE80211_BAND_2GHZ].n_channels,
priv->bands[IEEE80211_BAND_5GHZ].n_channels);
set_bit(STATUS_GEO_CONFIGURED, &priv->status);
return 0;
}
/*
* iwl_free_geos - undo allocations in iwl_init_geos
*/
void iwl_free_geos(struct iwl_priv *priv)
{
kfree(priv->ieee_channels);
kfree(priv->ieee_rates);
clear_bit(STATUS_GEO_CONFIGURED, &priv->status);
}
static bool iwl_is_channel_extension(struct iwl_priv *priv,
enum ieee80211_band band,
u16 channel, u8 extension_chan_offset)
@ -271,255 +87,6 @@ bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
ctx->ht.extension_chan_offset);
}
static u16 iwl_adjust_beacon_interval(u16 beacon_val, u16 max_beacon_val)
{
u16 new_val;
u16 beacon_factor;
/*
* If mac80211 hasn't given us a beacon interval, program
* the default into the device (not checking this here
* would cause the adjustment below to return the maximum
* value, which may break PAN.)
*/
if (!beacon_val)
return DEFAULT_BEACON_INTERVAL;
/*
* If the beacon interval we obtained from the peer
* is too large, we'll have to wake up more often
* (and in IBSS case, we'll beacon too much)
*
* For example, if max_beacon_val is 4096, and the
* requested beacon interval is 7000, we'll have to
* use 3500 to be able to wake up on the beacons.
*
* This could badly influence beacon detection stats.
*/
beacon_factor = (beacon_val + max_beacon_val) / max_beacon_val;
new_val = beacon_val / beacon_factor;
if (!new_val)
new_val = max_beacon_val;
return new_val;
}
int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
u64 tsf;
s32 interval_tm, rem;
struct ieee80211_conf *conf = NULL;
u16 beacon_int;
struct ieee80211_vif *vif = ctx->vif;
conf = &priv->hw->conf;
lockdep_assert_held(&priv->mutex);
memset(&ctx->timing, 0, sizeof(struct iwl_rxon_time_cmd));
ctx->timing.timestamp = cpu_to_le64(priv->timestamp);
ctx->timing.listen_interval = cpu_to_le16(conf->listen_interval);
beacon_int = vif ? vif->bss_conf.beacon_int : 0;
/*
* TODO: For IBSS we need to get atim_window from mac80211,
* for now just always use 0
*/
ctx->timing.atim_window = 0;
if (ctx->ctxid == IWL_RXON_CTX_PAN &&
(!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION) &&
iwl_is_associated(priv, IWL_RXON_CTX_BSS) &&
priv->contexts[IWL_RXON_CTX_BSS].vif &&
priv->contexts[IWL_RXON_CTX_BSS].vif->bss_conf.beacon_int) {
ctx->timing.beacon_interval =
priv->contexts[IWL_RXON_CTX_BSS].timing.beacon_interval;
beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
} else if (ctx->ctxid == IWL_RXON_CTX_BSS &&
iwl_is_associated(priv, IWL_RXON_CTX_PAN) &&
priv->contexts[IWL_RXON_CTX_PAN].vif &&
priv->contexts[IWL_RXON_CTX_PAN].vif->bss_conf.beacon_int &&
(!iwl_is_associated_ctx(ctx) || !ctx->vif ||
!ctx->vif->bss_conf.beacon_int)) {
ctx->timing.beacon_interval =
priv->contexts[IWL_RXON_CTX_PAN].timing.beacon_interval;
beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
} else {
beacon_int = iwl_adjust_beacon_interval(beacon_int,
IWL_MAX_UCODE_BEACON_INTERVAL * TIME_UNIT);
ctx->timing.beacon_interval = cpu_to_le16(beacon_int);
}
ctx->beacon_int = beacon_int;
tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */
interval_tm = beacon_int * TIME_UNIT;
rem = do_div(tsf, interval_tm);
ctx->timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
ctx->timing.dtim_period = vif ? (vif->bss_conf.dtim_period ?: 1) : 1;
IWL_DEBUG_ASSOC(priv,
"beacon interval %d beacon timer %d beacon tim %d\n",
le16_to_cpu(ctx->timing.beacon_interval),
le32_to_cpu(ctx->timing.beacon_init_val),
le16_to_cpu(ctx->timing.atim_window));
return iwl_dvm_send_cmd_pdu(priv, ctx->rxon_timing_cmd,
CMD_SYNC, sizeof(ctx->timing), &ctx->timing);
}
void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
int hw_decrypt)
{
struct iwl_rxon_cmd *rxon = &ctx->staging;
if (hw_decrypt)
rxon->filter_flags &= ~RXON_FILTER_DIS_DECRYPT_MSK;
else
rxon->filter_flags |= RXON_FILTER_DIS_DECRYPT_MSK;
}
/* validate RXON structure is valid */
int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
struct iwl_rxon_cmd *rxon = &ctx->staging;
u32 errors = 0;
if (rxon->flags & RXON_FLG_BAND_24G_MSK) {
if (rxon->flags & RXON_FLG_TGJ_NARROW_BAND_MSK) {
IWL_WARN(priv, "check 2.4G: wrong narrow\n");
errors |= BIT(0);
}
if (rxon->flags & RXON_FLG_RADAR_DETECT_MSK) {
IWL_WARN(priv, "check 2.4G: wrong radar\n");
errors |= BIT(1);
}
} else {
if (!(rxon->flags & RXON_FLG_SHORT_SLOT_MSK)) {
IWL_WARN(priv, "check 5.2G: not short slot!\n");
errors |= BIT(2);
}
if (rxon->flags & RXON_FLG_CCK_MSK) {
IWL_WARN(priv, "check 5.2G: CCK!\n");
errors |= BIT(3);
}
}
if ((rxon->node_addr[0] | rxon->bssid_addr[0]) & 0x1) {
IWL_WARN(priv, "mac/bssid mcast!\n");
errors |= BIT(4);
}
/* make sure basic rates 6Mbps and 1Mbps are supported */
if ((rxon->ofdm_basic_rates & IWL_RATE_6M_MASK) == 0 &&
(rxon->cck_basic_rates & IWL_RATE_1M_MASK) == 0) {
IWL_WARN(priv, "neither 1 nor 6 are basic\n");
errors |= BIT(5);
}
if (le16_to_cpu(rxon->assoc_id) > 2007) {
IWL_WARN(priv, "aid > 2007\n");
errors |= BIT(6);
}
if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK))
== (RXON_FLG_CCK_MSK | RXON_FLG_SHORT_SLOT_MSK)) {
IWL_WARN(priv, "CCK and short slot\n");
errors |= BIT(7);
}
if ((rxon->flags & (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK))
== (RXON_FLG_CCK_MSK | RXON_FLG_AUTO_DETECT_MSK)) {
IWL_WARN(priv, "CCK and auto detect");
errors |= BIT(8);
}
if ((rxon->flags & (RXON_FLG_AUTO_DETECT_MSK |
RXON_FLG_TGG_PROTECT_MSK)) ==
RXON_FLG_TGG_PROTECT_MSK) {
IWL_WARN(priv, "TGg but no auto-detect\n");
errors |= BIT(9);
}
if (rxon->channel == 0) {
IWL_WARN(priv, "zero channel is invalid\n");
errors |= BIT(10);
}
WARN(errors, "Invalid RXON (%#x), channel %d",
errors, le16_to_cpu(rxon->channel));
return errors ? -EINVAL : 0;
}
/**
* iwl_full_rxon_required - check if full RXON (vs RXON_ASSOC) cmd is needed
* @priv: staging_rxon is compared to active_rxon
*
* If the RXON structure is changing enough to require a new tune,
* or is clearing the RXON_FILTER_ASSOC_MSK, then return 1 to indicate that
* a new tune (full RXON command, rather than RXON_ASSOC cmd) is required.
*/
int iwl_full_rxon_required(struct iwl_priv *priv,
struct iwl_rxon_context *ctx)
{
const struct iwl_rxon_cmd *staging = &ctx->staging;
const struct iwl_rxon_cmd *active = &ctx->active;
#define CHK(cond) \
if ((cond)) { \
IWL_DEBUG_INFO(priv, "need full RXON - " #cond "\n"); \
return 1; \
}
#define CHK_NEQ(c1, c2) \
if ((c1) != (c2)) { \
IWL_DEBUG_INFO(priv, "need full RXON - " \
#c1 " != " #c2 " - %d != %d\n", \
(c1), (c2)); \
return 1; \
}
/* These items are only settable from the full RXON command */
CHK(!iwl_is_associated_ctx(ctx));
CHK(compare_ether_addr(staging->bssid_addr, active->bssid_addr));
CHK(compare_ether_addr(staging->node_addr, active->node_addr));
CHK(compare_ether_addr(staging->wlap_bssid_addr,
active->wlap_bssid_addr));
CHK_NEQ(staging->dev_type, active->dev_type);
CHK_NEQ(staging->channel, active->channel);
CHK_NEQ(staging->air_propagation, active->air_propagation);
CHK_NEQ(staging->ofdm_ht_single_stream_basic_rates,
active->ofdm_ht_single_stream_basic_rates);
CHK_NEQ(staging->ofdm_ht_dual_stream_basic_rates,
active->ofdm_ht_dual_stream_basic_rates);
CHK_NEQ(staging->ofdm_ht_triple_stream_basic_rates,
active->ofdm_ht_triple_stream_basic_rates);
CHK_NEQ(staging->assoc_id, active->assoc_id);
/* flags, filter_flags, ofdm_basic_rates, and cck_basic_rates can
* be updated with the RXON_ASSOC command -- however only some
* flag transitions are allowed using RXON_ASSOC */
/* Check if we are not switching bands */
CHK_NEQ(staging->flags & RXON_FLG_BAND_24G_MSK,
active->flags & RXON_FLG_BAND_24G_MSK);
/* Check if we are switching association toggle */
CHK_NEQ(staging->filter_flags & RXON_FILTER_ASSOC_MSK,
active->filter_flags & RXON_FILTER_ASSOC_MSK);
#undef CHK
#undef CHK_NEQ
return 0;
}
static void _iwl_set_rxon_ht(struct iwl_priv *priv,
struct iwl_ht_config *ht_conf,
struct iwl_rxon_context *ctx)
@ -595,46 +162,6 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
_iwl_set_rxon_ht(priv, ht_conf, ctx);
}
/* Return valid, unused, channel for a passive scan to reset the RF */
u8 iwl_get_single_channel_number(struct iwl_priv *priv,
enum ieee80211_band band)
{
const struct iwl_channel_info *ch_info;
int i;
u8 channel = 0;
u8 min, max;
struct iwl_rxon_context *ctx;
if (band == IEEE80211_BAND_5GHZ) {
min = 14;
max = priv->channel_count;
} else {
min = 0;
max = 14;
}
for (i = min; i < max; i++) {
bool busy = false;
for_each_context(priv, ctx) {
busy = priv->channel_info[i].channel ==
le16_to_cpu(ctx->staging.channel);
if (busy)
break;
}
if (busy)
continue;
channel = priv->channel_info[i].channel;
ch_info = iwl_get_channel_info(priv, band, channel);
if (is_channel_valid(ch_info))
break;
}
return channel;
}
/**
* iwl_set_rxon_channel - Set the band and channel values in staging RXON
* @ch: requested channel as a pointer to struct ieee80211_channel
@ -828,7 +355,7 @@ void iwl_print_rx_config_cmd(struct iwl_priv *priv,
}
#endif
static void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand)
void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand)
{
unsigned int reload_msec;
unsigned long reload_jiffies;
@ -842,7 +369,7 @@ static void iwlagn_fw_error(struct iwl_priv *priv, bool ondemand)
priv->ucode_loaded = false;
/* Set the FW error flag -- cleared on iwl_down */
set_bit(STATUS_FW_ERROR, &priv->shrd->status);
set_bit(STATUS_FW_ERROR, &priv->status);
/* Cancel currently queued command. */
clear_bit(STATUS_HCMD_ACTIVE, &priv->shrd->status);
@ -1451,13 +978,6 @@ __le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
return cpu_to_le32(res);
}
void iwl_nic_error(struct iwl_op_mode *op_mode)
{
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);
iwlagn_fw_error(priv, false);
}
void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state)
{
struct iwl_priv *priv = IWL_OP_MODE_GET_DVM(op_mode);

15
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -93,18 +93,12 @@ struct iwl_lib_ops {
* L i b *
***************************/
void iwl_set_rxon_hwcrypto(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
int hw_decrypt);
int iwl_check_rxon_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
int iwl_full_rxon_required(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
void iwl_set_rxon_channel(struct iwl_priv *priv, struct ieee80211_channel *ch,
struct iwl_rxon_context *ctx);
void iwl_set_flags_for_band(struct iwl_priv *priv,
struct iwl_rxon_context *ctx,
enum ieee80211_band band,
struct ieee80211_vif *vif);
u8 iwl_get_single_channel_number(struct iwl_priv *priv,
enum ieee80211_band band);
void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
struct iwl_rxon_context *ctx,
@ -204,19 +198,10 @@ u32 iwl_usecs_to_beacons(struct iwl_priv *priv, u32 usec, u32 beacon_interval);
__le32 iwl_add_beacon_time(struct iwl_priv *priv, u32 base,
u32 addon, u32 beacon_interval);
/*****************************************************
* GEOS
******************************************************/
int iwl_init_geos(struct iwl_priv *priv);
void iwl_free_geos(struct iwl_priv *priv);
extern void iwl_send_bt_config(struct iwl_priv *priv);
extern int iwl_send_statistics_request(struct iwl_priv *priv,
u8 flags, bool clear);
int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx);
static inline const struct ieee80211_supported_band *iwl_get_hw_mode(
struct iwl_priv *priv, enum ieee80211_band band)
{

58
drivers/net/wireless/iwlwifi/iwl-debugfs.c
View File

@ -234,7 +234,7 @@ static ssize_t iwl_dbgfs_sram_read(struct file *file,
IWL_ERR(priv, "No uCode has been loadded.\n");
return -EINVAL;
}
img = &priv->fw->img[priv->shrd->ucode_type];
img = &priv->fw->img[priv->cur_ucode];
priv->dbgfs_sram_len = img->sec[IWL_UCODE_SECTION_DATA].len;
}
len = priv->dbgfs_sram_len;
@ -369,14 +369,19 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
i, station->sta.sta.addr,
station->sta.station_flags_msk);
pos += scnprintf(buf + pos, bufsz - pos,
"TID\tseq_num\trate_n_flags\n");
"TID seqno next_rclmd "
"rate_n_flags state txq\n");
for (j = 0; j < IWL_MAX_TID_COUNT; j++) {
tid_data = &priv->tid_data[i][j];
pos += scnprintf(buf + pos, bufsz - pos,
"%d:\t%#x\t%#x",
"%d: 0x%.4x 0x%.4x 0x%.8x "
"%d %.2d",
j, tid_data->seq_number,
tid_data->agg.rate_n_flags);
tid_data->next_reclaimed,
tid_data->agg.rate_n_flags,
tid_data->agg.state,
tid_data->agg.txq_id);
if (tid_data->agg.wait_for_ba)
pos += scnprintf(buf + pos, bufsz - pos,
@ -544,9 +549,9 @@ static ssize_t iwl_dbgfs_status_read(struct file *file,
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
test_bit(STATUS_SCAN_HW, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
test_bit(STATUS_POWER_PMI, &priv->shrd->status));
test_bit(STATUS_POWER_PMI, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
test_bit(STATUS_FW_ERROR, &priv->shrd->status));
test_bit(STATUS_FW_ERROR, &priv->status));
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
@ -2473,6 +2478,44 @@ static ssize_t iwl_dbgfs_echo_test_write(struct file *file,
return count;
}
static ssize_t iwl_dbgfs_log_event_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char *buf;
int pos = 0;
ssize_t ret = -ENOMEM;
ret = pos = iwl_dump_nic_event_log(priv, true, &buf, true);
if (buf) {
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
}
return ret;
}
static ssize_t iwl_dbgfs_log_event_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
u32 event_log_flag;
char buf[8];
int buf_size;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &event_log_flag) != 1)
return -EFAULT;
if (event_log_flag == 1)
iwl_dump_nic_event_log(priv, true, NULL, false);
return count;
}
DEBUGFS_READ_FILE_OPS(rx_statistics);
DEBUGFS_READ_FILE_OPS(tx_statistics);
DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@ -2497,6 +2540,7 @@ DEBUGFS_READ_FILE_OPS(bt_traffic);
DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
DEBUGFS_READ_FILE_OPS(reply_tx_error);
DEBUGFS_WRITE_FILE_OPS(echo_test);
DEBUGFS_READ_WRITE_FILE_OPS(log_event);
/*
* Create the debugfs files and directories
@ -2560,6 +2604,8 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(wd_timeout, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(echo_test, dir_debug, S_IWUSR);
DEBUGFS_ADD_FILE(log_event, dir_debug, S_IWUSR | S_IRUSR);
if (iwl_advanced_bt_coexist(priv))
DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);

24
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -220,8 +220,7 @@ enum iwl_agg_state {
* Tx response (REPLY_TX), and the block ack notification
* (REPLY_COMPRESSED_BA).
* @state: state of the BA agreement establishment / tear down.
* @txq_id: Tx queue used by the BA session - used by the transport layer.
* Needed by the upper layer for debugfs only.
* @txq_id: Tx queue used by the BA session
* @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
* the first packet to be sent in legacy HW queue in Tx AGG stop flow.
* Basically when next_reclaimed reaches ssn, we can tell mac80211 that
@ -623,6 +622,10 @@ struct iwl_force_reset {
struct iwl_rxon_context {
struct ieee80211_vif *vif;
u8 mcast_queue;
u8 ac_to_queue[IEEE80211_NUM_ACS];
u8 ac_to_fifo[IEEE80211_NUM_ACS];
/*
* We could use the vif to indicate active, but we
* also need it to be active during disabling when
@ -720,6 +723,11 @@ struct iwl_priv {
unsigned long transport_queue_stop;
bool passive_no_rx;
#define IWL_INVALID_AC 0xff
u8 queue_to_ac[IWL_MAX_HW_QUEUES];
atomic_t ac_stop_count[IEEE80211_NUM_ACS];
unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
/* ieee device used by generic ieee processing code */
struct ieee80211_hw *hw;
@ -731,6 +739,7 @@ struct iwl_priv {
struct workqueue_struct *workqueue;
enum ieee80211_band band;
u8 valid_contexts;
void (*pre_rx_handler)(struct iwl_priv *priv,
struct iwl_rx_cmd_buffer *rxb);
@ -982,6 +991,15 @@ struct iwl_priv {
__le64 replay_ctr;
__le16 last_seq_ctl;
bool have_rekey_data;
/* device_pointers: pointers to ucode event tables */
struct {
u32 error_event_table;
u32 log_event_table;
} device_pointers;
/* indicator of loaded ucode image */
enum iwl_ucode_type cur_ucode;
}; /*iwl_priv */
extern struct kmem_cache *iwl_tx_cmd_pool;
@ -998,7 +1016,7 @@ iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
#define for_each_context(priv, ctx) \
for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
if (priv->shrd->valid_contexts & BIT(ctx->ctxid))
if (priv->valid_contexts & BIT(ctx->ctxid))
static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
{

14
drivers/net/wireless/iwlwifi/iwl-mac80211.c
View File

@ -157,7 +157,8 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
*/
hw->flags |= IEEE80211_HW_SUPPORTS_PS |
IEEE80211_HW_SUPPORTS_DYNAMIC_PS;
IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
IEEE80211_HW_SCAN_WHILE_IDLE;
if (hw_params(priv).sku & EEPROM_SKU_CAP_11N_ENABLE)
hw->flags |= IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
@ -437,7 +438,6 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw)
unsigned long flags;
u32 base, status = 0xffffffff;
int ret = -EIO;
const struct fw_img *img;
IWL_DEBUG_MAC80211(priv, "enter\n");
mutex_lock(&priv->mutex);
@ -445,7 +445,7 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw)
iwl_write32(trans(priv), CSR_UCODE_DRV_GP1_CLR,
CSR_UCODE_DRV_GP1_BIT_D3_CFG_COMPLETE);
base = priv->shrd->device_pointers.error_event_table;
base = priv->device_pointers.error_event_table;
if (iwlagn_hw_valid_rtc_data_addr(base)) {
spin_lock_irqsave(&trans(priv)->reg_lock, flags);
ret = iwl_grab_nic_access_silent(trans(priv));
@ -458,6 +458,8 @@ static int iwlagn_mac_resume(struct ieee80211_hw *hw)
#ifdef CONFIG_IWLWIFI_DEBUGFS
if (ret == 0) {
const struct fw_img *img;
img = &(priv->fw->img[IWL_UCODE_WOWLAN]);
if (!priv->wowlan_sram) {
priv->wowlan_sram =
@ -653,6 +655,8 @@ static int iwlagn_mac_ampdu_action(struct ieee80211_hw *hw,
ret = iwl_sta_rx_agg_stop(priv, sta, tid);
break;
case IEEE80211_AMPDU_TX_START:
if (!trans(priv)->ops->tx_agg_setup)
break;
if (iwlagn_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG)
break;
IWL_DEBUG_HT(priv, "start Tx\n");
@ -1003,7 +1007,7 @@ static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw,
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_PAN];
int err = 0;
if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
return -EOPNOTSUPP;
if (!(ctx->interface_modes & BIT(NL80211_IFTYPE_P2P_CLIENT)))
@ -1091,7 +1095,7 @@ static int iwlagn_mac_cancel_remain_on_channel(struct ieee80211_hw *hw)
{
struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
if (!(priv->shrd->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN)))
return -EOPNOTSUPP;
IWL_DEBUG_MAC80211(priv, "enter\n");

44
drivers/net/wireless/iwlwifi/iwl-notif-wait.c
View File

@ -75,21 +75,45 @@ void iwl_notification_wait_init(struct iwl_notif_wait_data *notif_wait)
void iwl_notification_wait_notify(struct iwl_notif_wait_data *notif_wait,
struct iwl_rx_packet *pkt)
{
bool triggered = false;
if (!list_empty(&notif_wait->notif_waits)) {
struct iwl_notification_wait *w;
spin_lock(&notif_wait->notif_wait_lock);
list_for_each_entry(w, &notif_wait->notif_waits, list) {
if (w->cmd != pkt->hdr.cmd)
int i;
bool found = false;
/*
* If it already finished (triggered) or has been
* aborted then don't evaluate it again to avoid races,
* Otherwise the function could be called again even
* though it returned true before
*/
if (w->triggered || w->aborted)
continue;
w->triggered = true;
if (w->fn)
w->fn(notif_wait, pkt, w->fn_data);
for (i = 0; i < w->n_cmds; i++) {
if (w->cmds[i] == pkt->hdr.cmd) {
found = true;
break;
}
}
if (!found)
continue;
if (!w->fn || w->fn(notif_wait, pkt, w->fn_data)) {
w->triggered = true;
triggered = true;
}
}
spin_unlock(&notif_wait->notif_wait_lock);
wake_up_all(&notif_wait->notif_waitq);
}
if (triggered)
wake_up_all(&notif_wait->notif_waitq);
}
void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_wait)
@ -109,14 +133,18 @@ void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_wait)
void
iwl_init_notification_wait(struct iwl_notif_wait_data *notif_wait,
struct iwl_notification_wait *wait_entry,
u8 cmd,
void (*fn)(struct iwl_notif_wait_data *notif_wait,
const u8 *cmds, int n_cmds,
bool (*fn)(struct iwl_notif_wait_data *notif_wait,
struct iwl_rx_packet *pkt, void *data),
void *fn_data)
{
if (WARN_ON(n_cmds > MAX_NOTIF_CMDS))
n_cmds = MAX_NOTIF_CMDS;
wait_entry->fn = fn;
wait_entry->fn_data = fn_data;
wait_entry->cmd = cmd;
wait_entry->n_cmds = n_cmds;
memcpy(wait_entry->cmds, cmds, n_cmds);
wait_entry->triggered = false;
wait_entry->aborted = false;

21
drivers/net/wireless/iwlwifi/iwl-notif-wait.h
View File

@ -72,11 +72,19 @@ struct iwl_notif_wait_data {
wait_queue_head_t notif_waitq;
};
#define MAX_NOTIF_CMDS 5
/**
* struct iwl_notification_wait - notification wait entry
* @list: list head for global list
* @fn: function called with the notification
* @cmd: command ID
* @fn: Function called with the notification. If the function
* returns true, the wait is over, if it returns false then
* the waiter stays blocked. If no function is given, any
* of the listed commands will unblock the waiter.
* @cmds: command IDs
* @n_cmds: number of command IDs
* @triggered: waiter should be woken up
* @aborted: wait was aborted
*
* This structure is not used directly, to wait for a
* notification declare it on the stack, and call
@ -93,11 +101,12 @@ struct iwl_notif_wait_data {
struct iwl_notification_wait {
struct list_head list;
void (*fn)(struct iwl_notif_wait_data *notif_data,
bool (*fn)(struct iwl_notif_wait_data *notif_data,
struct iwl_rx_packet *pkt, void *data);
void *fn_data;
u8 cmd;
u8 cmds[MAX_NOTIF_CMDS];
u8 n_cmds;
bool triggered, aborted;
};
@ -112,8 +121,8 @@ void iwl_abort_notification_waits(struct iwl_notif_wait_data *notif_data);
void __acquires(wait_entry)
iwl_init_notification_wait(struct iwl_notif_wait_data *notif_data,
struct iwl_notification_wait *wait_entry,
u8 cmd,
void (*fn)(struct iwl_notif_wait_data *notif_data,
const u8 *cmds, int n_cmds,
bool (*fn)(struct iwl_notif_wait_data *notif_data,
struct iwl_rx_packet *pkt, void *data),
void *fn_data);

17
drivers/net/wireless/iwlwifi/iwl-op-mode.h
View File

@ -111,10 +111,10 @@ struct iwl_fw;
* @rx: Rx notification to the op_mode. rxb is the Rx buffer itself. Cmd is the
* HCMD the this Rx responds to.
* Must be atomic.
* @queue_full: notifies that a HW queue is full. Ac is the ac of the queue
* @queue_full: notifies that a HW queue is full.
* Must be atomic
* @queue_not_full: notifies that a HW queue is not full any more.
* Ac is the ac of the queue. Must be atomic
* Must be atomic
* @hw_rf_kill:notifies of a change in the HW rf kill switch. True means that
* the radio is killed. Must be atomic.
* @free_skb: allows the transport layer to free skbs that haven't been
@ -132,8 +132,8 @@ struct iwl_op_mode_ops {
void (*stop)(struct iwl_op_mode *op_mode);
int (*rx)(struct iwl_op_mode *op_mode, struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd);
void (*queue_full)(struct iwl_op_mode *op_mode, u8 ac);
void (*queue_not_full)(struct iwl_op_mode *op_mode, u8 ac);
void (*queue_full)(struct iwl_op_mode *op_mode, int queue);
void (*queue_not_full)(struct iwl_op_mode *op_mode, int queue);
void (*hw_rf_kill)(struct iwl_op_mode *op_mode, bool state);
void (*free_skb)(struct iwl_op_mode *op_mode, struct sk_buff *skb);
void (*nic_error)(struct iwl_op_mode *op_mode);
@ -169,15 +169,16 @@ static inline int iwl_op_mode_rx(struct iwl_op_mode *op_mode,
return op_mode->ops->rx(op_mode, rxb, cmd);
}
static inline void iwl_op_mode_queue_full(struct iwl_op_mode *op_mode, u8 ac)
static inline void iwl_op_mode_queue_full(struct iwl_op_mode *op_mode,
int queue)
{
op_mode->ops->queue_full(op_mode, ac);
op_mode->ops->queue_full(op_mode, queue);
}
static inline void iwl_op_mode_queue_not_full(struct iwl_op_mode *op_mode,
u8 ac)
int queue)
{
op_mode->ops->queue_not_full(op_mode, ac);
op_mode->ops->queue_not_full(op_mode, queue);
}
static inline void iwl_op_mode_hw_rf_kill(struct iwl_op_mode *op_mode,

3
drivers/net/wireless/iwlwifi/iwl-pci.c
View File

@ -60,6 +60,9 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/pci-aspm.h>

273
drivers/net/wireless/iwlwifi/iwl-phy-db.c Normal file
View File

@ -0,0 +1,273 @@
/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
* USA
*
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#include <linux/slab.h>
#include <linux/string.h>
#include "iwl-debug.h"
#include "iwl-shared.h"
#include "iwl-dev.h"
#include "iwl-phy-db.h"
#define CHANNEL_NUM_SIZE 4 /* num of channels in calib_ch size */
struct iwl_phy_db *iwl_phy_db_init(struct iwl_shared *shrd)
{
struct iwl_phy_db *phy_db = kzalloc(sizeof(struct iwl_phy_db),
GFP_KERNEL);
if (!phy_db)
return phy_db;
phy_db->shrd = shrd;
/* TODO: add default values of the phy db. */
return phy_db;
}
/*
* get phy db section: returns a pointer to a phy db section specified by
* type and channel group id.
*/
static struct iwl_phy_db_entry *
iwl_phy_db_get_section(struct iwl_phy_db *phy_db,
enum iwl_phy_db_section_type type,
u16 chg_id)
{
if (!phy_db || type < 0 || type >= IWL_PHY_DB_MAX)
return NULL;
switch (type) {
case IWL_PHY_DB_CFG:
return &phy_db->cfg;
case IWL_PHY_DB_CALIB_NCH:
return &phy_db->calib_nch;
case IWL_PHY_DB_CALIB_CH:
return &phy_db->calib_ch;
case IWL_PHY_DB_CALIB_CHG_PAPD:
if (chg_id < 0 || chg_id >= IWL_NUM_PAPD_CH_GROUPS)
return NULL;
return &phy_db->calib_ch_group_papd[chg_id];
case IWL_PHY_DB_CALIB_CHG_TXP:
if (chg_id < 0 || chg_id >= IWL_NUM_TXP_CH_GROUPS)
return NULL;
return &phy_db->calib_ch_group_txp[chg_id];
default:
return NULL;
}
return NULL;
}
static void iwl_phy_db_free_section(struct iwl_phy_db *phy_db,
enum iwl_phy_db_section_type type,
u16 chg_id)
{
struct iwl_phy_db_entry *entry =
iwl_phy_db_get_section(phy_db, type, chg_id);
if (!entry)
return;
kfree(entry->data);
entry->data = NULL;
entry->size = 0;
}
void iwl_phy_db_free(struct iwl_phy_db *phy_db)
{
int i;
if (!phy_db)
return;
iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CFG, 0);
iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_NCH, 0);
iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CH, 0);
for (i = 0; i < IWL_NUM_PAPD_CH_GROUPS; i++)
iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CHG_PAPD, i);
for (i = 0; i < IWL_NUM_TXP_CH_GROUPS; i++)
iwl_phy_db_free_section(phy_db, IWL_PHY_DB_CALIB_CHG_TXP, i);
kfree(phy_db);
}
int iwl_phy_db_set_section(struct iwl_phy_db *phy_db,
enum iwl_phy_db_section_type type, u8 *data,
u16 size, gfp_t alloc_ctx)
{
struct iwl_phy_db_entry *entry;
u16 chg_id = 0;
if (!phy_db)
return -EINVAL;
if (type == IWL_PHY_DB_CALIB_CHG_PAPD ||
type == IWL_PHY_DB_CALIB_CHG_TXP)
chg_id = le16_to_cpup((__le16 *)data);
entry = iwl_phy_db_get_section(phy_db, type, chg_id);
if (!entry)
return -EINVAL;
kfree(entry->data);
entry->data = kmemdup(data, size, alloc_ctx);
if (!entry->data) {
entry->size = 0;
return -ENOMEM;
}
entry->size = size;
if (type == IWL_PHY_DB_CALIB_CH) {
phy_db->channel_num = le32_to_cpup((__le32 *)data);
phy_db->channel_size =
(size - CHANNEL_NUM_SIZE) / phy_db->channel_num;
}
return 0;
}
static int is_valid_channel(u16 ch_id)
{
if (ch_id <= 14 ||
(36 <= ch_id && ch_id <= 64 && ch_id % 4 == 0) ||
(100 <= ch_id && ch_id <= 140 && ch_id % 4 == 0) ||
(145 <= ch_id && ch_id <= 165 && ch_id % 4 == 1))
return 1;
return 0;
}
static u8 ch_id_to_ch_index(u16 ch_id)
{
if (WARN_ON(!is_valid_channel(ch_id)))
return 0xff;
if (ch_id <= 14)
return ch_id - 1;
if (ch_id <= 64)
return (ch_id + 20) / 4;
if (ch_id <= 140)
return (ch_id - 12) / 4;
return (ch_id - 13) / 4;
}
static u16 channel_id_to_papd(u16 ch_id)
{
if (WARN_ON(!is_valid_channel(ch_id)))
return 0xff;
if (1 <= ch_id && ch_id <= 14)
return 0;
if (36 <= ch_id && ch_id <= 64)
return 1;
if (100 <= ch_id && ch_id <= 140)
return 2;
return 3;
}
static u16 channel_id_to_txp(struct iwl_phy_db *phy_db, u16 ch_id)
{
/* TODO David*/
return 0;
}
int iwl_phy_db_get_section_data(struct iwl_phy_db *phy_db,
enum iwl_phy_db_section_type type, u8 **data,
u16 *size, u16 ch_id)
{
struct iwl_phy_db_entry *entry;
u32 channel_num;
u32 channel_size;
u16 ch_group_id = 0;
u16 index;
if (!phy_db)
return -EINVAL;
/* find wanted channel group */
if (type == IWL_PHY_DB_CALIB_CHG_PAPD)
ch_group_id = channel_id_to_papd(ch_id);
else if (type == IWL_PHY_DB_CALIB_CHG_TXP)
ch_group_id = channel_id_to_txp(phy_db, ch_id);
entry = iwl_phy_db_get_section(phy_db, type, ch_group_id);
if (!entry)
return -EINVAL;
if (type == IWL_PHY_DB_CALIB_CH) {
index = ch_id_to_ch_index(ch_id);
channel_num = phy_db->channel_num;
channel_size = phy_db->channel_size;
if (index >= channel_num) {
IWL_ERR(phy_db, "Wrong channel number %d", ch_id);
return -EINVAL;
}
*data = entry->data + CHANNEL_NUM_SIZE + index * channel_size;
*size = channel_size;
} else {
*data = entry->data;
*size = entry->size;
}
return 0;
}

123
drivers/net/wireless/iwlwifi/iwl-phy-db.h Normal file
View File

@ -0,0 +1,123 @@
/******************************************************************************
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* Copyright(c) 2007 - 2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
* USA
*
* The full GNU General Public License is included in this distribution
* in the file called LICENSE.GPL.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
* BSD LICENSE
*
* Copyright(c) 2005 - 2012 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*****************************************************************************/
#ifndef __IWL_PHYDB_H__
#define __IWL_PHYDB_H__
#include <linux/types.h>
#define IWL_NUM_PAPD_CH_GROUPS 4
#define IWL_NUM_TXP_CH_GROUPS 8
struct iwl_phy_db_entry {
u16 size;
u8 *data;
};
struct iwl_shared;
/**
* struct iwl_phy_db - stores phy configuration and calibration data.
*
* @cfg: phy configuration.
* @calib_nch: non channel specific calibration data.
* @calib_ch: channel specific calibration data.
* @calib_ch_group_papd: calibration data related to papd channel group.
* @calib_ch_group_txp: calibration data related to tx power chanel group.
*/
struct iwl_phy_db {
struct iwl_phy_db_entry cfg;
struct iwl_phy_db_entry calib_nch;
struct iwl_phy_db_entry calib_ch;
struct iwl_phy_db_entry calib_ch_group_papd[IWL_NUM_PAPD_CH_GROUPS];
struct iwl_phy_db_entry calib_ch_group_txp[IWL_NUM_TXP_CH_GROUPS];
u32 channel_num;
u32 channel_size;
/* for an access to the logger */
const struct iwl_shared *shrd;
};
enum iwl_phy_db_section_type {
IWL_PHY_DB_CFG = 1,
IWL_PHY_DB_CALIB_NCH,
IWL_PHY_DB_CALIB_CH,
IWL_PHY_DB_CALIB_CHG_PAPD,
IWL_PHY_DB_CALIB_CHG_TXP,
IWL_PHY_DB_MAX
};
struct iwl_phy_db *iwl_phy_db_init(struct iwl_shared *shrd);
void iwl_phy_db_free(struct iwl_phy_db *phy_db);
int iwl_phy_db_set_section(struct iwl_phy_db *phy_db,
enum iwl_phy_db_section_type type, u8 *data,
u16 size, gfp_t alloc_ctx);
int iwl_phy_db_get_section_data(struct iwl_phy_db *phy_db,
enum iwl_phy_db_section_type type, u8 **data,
u16 *size, u16 ch_id);
#endif /* __IWL_PHYDB_H__ */

4
drivers/net/wireless/iwlwifi/iwl-power.c
View File

@ -403,12 +403,12 @@ int iwl_power_set_mode(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd,
}
if (cmd->flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK)
set_bit(STATUS_POWER_PMI, &priv->shrd->status);
iwl_dvm_set_pmi(priv, true);
ret = iwl_set_power(priv, cmd);
if (!ret) {
if (!(cmd->flags & IWL_POWER_DRIVER_ALLOW_SLEEP_MSK))
clear_bit(STATUS_POWER_PMI, &priv->shrd->status);
iwl_dvm_set_pmi(priv, false);
if (update_chains)
iwl_update_chain_flags(priv);

53
drivers/net/wireless/iwlwifi/iwl-scan.c
View File

@ -69,7 +69,7 @@ static int iwl_send_scan_abort(struct iwl_priv *priv)
if (!test_bit(STATUS_READY, &priv->status) ||
!test_bit(STATUS_GEO_CONFIGURED, &priv->status) ||
!test_bit(STATUS_SCAN_HW, &priv->status) ||
test_bit(STATUS_FW_ERROR, &priv->shrd->status))
test_bit(STATUS_FW_ERROR, &priv->status))
return -EIO;
ret = iwl_dvm_send_cmd(priv, &cmd);
@ -451,6 +451,46 @@ static u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
return iwl_limit_dwell(priv, passive);
}
/* Return valid, unused, channel for a passive scan to reset the RF */
static u8 iwl_get_single_channel_number(struct iwl_priv *priv,
enum ieee80211_band band)
{
const struct iwl_channel_info *ch_info;
int i;
u8 channel = 0;
u8 min, max;
struct iwl_rxon_context *ctx;
if (band == IEEE80211_BAND_5GHZ) {
min = 14;
max = priv->channel_count;
} else {
min = 0;
max = 14;
}
for (i = min; i < max; i++) {
bool busy = false;
for_each_context(priv, ctx) {
busy = priv->channel_info[i].channel ==
le16_to_cpu(ctx->staging.channel);
if (busy)
break;
}
if (busy)
continue;
channel = priv->channel_info[i].channel;
ch_info = iwl_get_channel_info(priv, band, channel);
if (is_channel_valid(ch_info))
break;
}
return channel;
}
static int iwl_get_single_channel_for_scan(struct iwl_priv *priv,
struct ieee80211_vif *vif,
enum ieee80211_band band,
@ -793,9 +833,6 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
band = priv->scan_band;
if (cfg(priv)->scan_rx_antennas[band])
rx_ant = cfg(priv)->scan_rx_antennas[band];
if (band == IEEE80211_BAND_2GHZ &&
cfg(priv)->bt_params &&
cfg(priv)->bt_params->advanced_bt_coexist) {
@ -809,8 +846,12 @@ static int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
rate_flags |= iwl_ant_idx_to_flags(priv->scan_tx_ant[band]);
scan->tx_cmd.rate_n_flags = iwl_hw_set_rate_n_flags(rate, rate_flags);
/* In power save mode use one chain, otherwise use all chains */
if (test_bit(STATUS_POWER_PMI, &priv->shrd->status)) {
/*
* In power save mode while associated use one chain,
* otherwise use all chains
*/
if (test_bit(STATUS_POWER_PMI, &priv->status) &&
!(priv->hw->conf.flags & IEEE80211_CONF_IDLE)) {
/* rx_ant has been set to all valid chains previously */
active_chains = rx_ant &
((u8)(priv->chain_noise_data.active_chains));

32
drivers/net/wireless/iwlwifi/iwl-shared.h
View File

@ -160,7 +160,6 @@ struct iwl_mod_params {
*
* Holds the module parameters
*
* @num_ampdu_queues: num of ampdu queues
* @tx_chains_num: Number of TX chains
* @rx_chains_num: Number of RX chains
* @valid_tx_ant: usable antennas for TX
@ -176,7 +175,6 @@ struct iwl_mod_params {
* @use_rts_for_aggregation: use rts/cts protection for HT traffic
*/
struct iwl_hw_params {
u8 num_ampdu_queues;
u8 tx_chains_num;
u8 rx_chains_num;
u8 valid_tx_ant;
@ -217,7 +215,6 @@ enum iwl_led_mode {
* @chain_noise_num_beacons: number of beacons used to compute chain noise
* @adv_thermal_throttle: support advance thermal throttle
* @support_ct_kill_exit: support ct kill exit condition
* @support_wimax_coexist: support wimax/wifi co-exist
* @plcp_delta_threshold: plcp error rate threshold used to trigger
* radio tuning when there is a high receiving plcp error rate
* @chain_noise_scale: default chain noise scale used for gain computation
@ -231,7 +228,6 @@ enum iwl_led_mode {
struct iwl_base_params {
int eeprom_size;
int num_of_queues; /* def: HW dependent */
int num_of_ampdu_queues;/* def: HW dependent */
/* for iwl_apm_init() */
u32 pll_cfg_val;
@ -240,7 +236,6 @@ struct iwl_base_params {
u16 led_compensation;
bool adv_thermal_throttle;
bool support_ct_kill_exit;
const bool support_wimax_coexist;
u8 plcp_delta_threshold;
s32 chain_noise_scale;
unsigned int wd_timeout;
@ -299,21 +294,15 @@ struct iwl_ht_params {
* @need_temp_offset_calib: need to perform temperature offset calibration
* @no_xtal_calib: some devices do not need crystal calibration data,
* don't send it to those
* @scan_rx_antennas: available antenna for scan operation
* @led_mode: 0=blinking, 1=On(RF On)/Off(RF Off)
* @adv_pm: advance power management
* @rx_with_siso_diversity: 1x1 device with rx antenna diversity
* @internal_wimax_coex: internal wifi/wimax combo device
* @iq_invert: I/Q inversion
* @temp_offset_v2: support v2 of temperature offset calibration
*
* We enable the driver to be backward compatible wrt API version. The
* driver specifies which APIs it supports (with @ucode_api_max being the
* highest and @ucode_api_min the lowest). Firmware will only be loaded if
* it has a supported API version.
*
* The ideal usage of this infrastructure is to treat a new ucode API
* release as a new hardware revision.
* We enable the driver to be backward compatible wrt. hardware features.
* API differences in uCode shouldn't be handled here but through TLVs
* and/or the uCode API version instead.
*/
struct iwl_cfg {
/* params specific to an individual device within a device family */
@ -337,12 +326,10 @@ struct iwl_cfg {
const struct iwl_bt_params *bt_params;
const bool need_temp_offset_calib; /* if used set to true */
const bool no_xtal_calib;
u8 scan_rx_antennas[IEEE80211_NUM_BANDS];
enum iwl_led_mode led_mode;
const bool adv_pm;
const bool rx_with_siso_diversity;
const bool internal_wimax_coex;
const bool iq_invert;
const bool temp_offset_v2;
};
@ -351,7 +338,6 @@ struct iwl_cfg {
*
* @status: STATUS_*
* @wowlan: are we running wowlan uCode
* @valid_contexts: microcode/device supports multiple contexts
* @bus: pointer to the bus layer data
* @cfg: see struct iwl_cfg
* @priv: pointer to the upper layer data
@ -360,30 +346,18 @@ struct iwl_cfg {
* @hw_params: see struct iwl_hw_params
* @lock: protect general shared data
* @eeprom: pointer to the eeprom/OTP image
* @ucode_type: indicator of loaded ucode image
* @device_pointers: pointers to ucode event tables
*/
struct iwl_shared {
unsigned long status;
u8 valid_contexts;
const struct iwl_cfg *cfg;
struct iwl_trans *trans;
void *drv;
struct iwl_hw_params hw_params;
const struct iwl_fw *fw;
/* eeprom -- this is in the card's little endian byte order */
u8 *eeprom;
/* ucode related variables */
enum iwl_ucode_type ucode_type;
struct {
u32 error_event_table;
u32 log_event_table;
} device_pointers;
};
/*Whatever _m is (iwl_trans, iwl_priv, these macros will work */

9
drivers/net/wireless/iwlwifi/iwl-testmode.c
View File

@ -423,10 +423,13 @@ nla_put_failure:
static int iwl_testmode_cfg_init_calib(struct iwl_priv *priv)
{
struct iwl_notification_wait calib_wait;
static const u8 calib_complete[] = {
CALIBRATION_COMPLETE_NOTIFICATION
};
int ret;
iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
CALIBRATION_COMPLETE_NOTIFICATION,
calib_complete, ARRAY_SIZE(calib_complete),
NULL, NULL);
ret = iwl_init_alive_start(priv);
if (ret) {
@ -605,11 +608,11 @@ static int iwl_testmode_driver(struct ieee80211_hw *hw, struct nlattr **tb)
IWL_ERR(priv, "No uCode has not been loaded\n");
return -EINVAL;
} else {
img = &priv->fw->img[priv->shrd->ucode_type];
img = &priv->fw->img[priv->cur_ucode];
inst_size = img->sec[IWL_UCODE_SECTION_INST].len;
data_size = img->sec[IWL_UCODE_SECTION_DATA].len;
}
if (nla_put_u32(skb, IWL_TM_ATTR_FW_TYPE, priv->shrd->ucode_type) ||
if (nla_put_u32(skb, IWL_TM_ATTR_FW_TYPE, priv->cur_ucode) ||
nla_put_u32(skb, IWL_TM_ATTR_FW_INST_SIZE, inst_size) ||
nla_put_u32(skb, IWL_TM_ATTR_FW_DATA_SIZE, data_size))
goto nla_put_failure;

146
drivers/net/wireless/iwlwifi/iwl-trans-pcie-int.h
View File

@ -136,13 +136,6 @@ static inline int iwl_queue_dec_wrap(int index, int n_bd)
return --index & (n_bd - 1);
}
/*
* This queue number is required for proper operation
* because the ucode will stop/start the scheduler as
* required.
*/
#define IWL_IPAN_MCAST_QUEUE 8
struct iwl_cmd_meta {
/* only for SYNC commands, iff the reply skb is wanted */
struct iwl_host_cmd *source;
@ -199,9 +192,6 @@ struct iwl_queue {
* lock: queue lock
* @time_stamp: time (in jiffies) of last read_ptr change
* @need_update: indicates need to update read/write index
* @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
* @sta_id: valid if sched_retry is set
* @tid: valid if sched_retry is set
*
* A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
* descriptors) and required locking structures.
@ -218,12 +208,7 @@ struct iwl_tx_queue {
spinlock_t lock;
unsigned long time_stamp;
u8 need_update;
u8 sched_retry;
u8 active;
u8 swq_id;
u16 sta_id;
u16 tid;
};
/**
@ -236,13 +221,6 @@ struct iwl_tx_queue {
* @scd_base_addr: scheduler sram base address in SRAM
* @scd_bc_tbls: pointer to the byte count table of the scheduler
* @kw: keep warm address
* @ac_to_fifo: to what fifo is a specifc AC mapped ?
* @ac_to_queue: to what tx queue is a specifc AC mapped ?
* @mcast_queue:
* @txq: Tx DMA processing queues
* @txq_ctx_active_msk: what queue is active
* queue_stopped: tracks what queue is stopped
* queue_stop_count: tracks what SW queue is stopped
* @pci_dev: basic pci-network driver stuff
* @hw_base: pci hardware address support
* @ucode_write_complete: indicates that the ucode has been copied.
@ -272,16 +250,9 @@ struct iwl_trans_pcie {
struct iwl_dma_ptr scd_bc_tbls;
struct iwl_dma_ptr kw;
const u8 *ac_to_fifo[NUM_IWL_RXON_CTX];
const u8 *ac_to_queue[NUM_IWL_RXON_CTX];
u8 mcast_queue[NUM_IWL_RXON_CTX];
u8 agg_txq[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
struct iwl_tx_queue *txq;
unsigned long txq_ctx_active_msk;
#define IWL_MAX_HW_QUEUES 32
unsigned long queue_used[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
atomic_t queue_stop_count[4];
/* PCI bus related data */
struct pci_dev *pci_dev;
@ -293,6 +264,8 @@ struct iwl_trans_pcie {
u8 cmd_queue;
u8 n_no_reclaim_cmds;
u8 no_reclaim_cmds[MAX_NO_RECLAIM_CMDS];
u8 setup_q_to_fifo[IWL_MAX_HW_QUEUES];
u8 n_q_to_fifo;
};
#define IWL_TRANS_GET_PCIE_TRANS(_iwl_trans) \
@ -331,15 +304,12 @@ void iwl_tx_cmd_complete(struct iwl_trans *trans,
void iwl_trans_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
struct iwl_tx_queue *txq,
u16 byte_cnt);
int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans,
int sta_id, int tid);
void iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, int queue);
void iwl_trans_set_wr_ptrs(struct iwl_trans *trans, int txq_id, u32 index);
void iwl_trans_tx_queue_set_status(struct iwl_trans *trans,
struct iwl_tx_queue *txq,
int tx_fifo_id, int scd_retry);
int iwl_trans_pcie_tx_agg_alloc(struct iwl_trans *trans, int sta_id, int tid);
void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans,
enum iwl_rxon_context_id ctx,
struct iwl_tx_queue *txq,
int tx_fifo_id, bool active);
void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans, int queue, int fifo,
int sta_id, int tid, int frame_limit, u16 ssn);
void iwlagn_txq_free_tfd(struct iwl_trans *trans, struct iwl_tx_queue *txq,
int index, enum dma_data_direction dma_dir);
@ -350,8 +320,6 @@ int iwl_queue_space(const struct iwl_queue *q);
/*****************************************************
* Error handling
******************************************************/
int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log,
char **buf, bool display);
int iwl_dump_fh(struct iwl_trans *trans, char **buf, bool display);
void iwl_dump_csr(struct iwl_trans *trans);
@ -388,91 +356,28 @@ static inline void iwl_enable_rfkill_int(struct iwl_trans *trans)
iwl_write32(trans, CSR_INT_MASK, CSR_INT_BIT_RF_KILL);
}
/*
* we have 8 bits used like this:
*
* 7 6 5 4 3 2 1 0
* | | | | | | | |
* | | | | | | +-+-------- AC queue (0-3)
* | | | | | |
* | +-+-+-+-+------------ HW queue ID
* |
* +---------------------- unused
*/
static inline void iwl_set_swq_id(struct iwl_tx_queue *txq, u8 ac, u8 hwq)
{
BUG_ON(ac > 3); /* only have 2 bits */
BUG_ON(hwq > 31); /* only use 5 bits */
txq->swq_id = (hwq << 2) | ac;
}
static inline u8 iwl_get_queue_ac(struct iwl_tx_queue *txq)
{
return txq->swq_id & 0x3;
}
static inline void iwl_wake_queue(struct iwl_trans *trans,
struct iwl_tx_queue *txq)
{
u8 queue = txq->swq_id;
u8 ac = queue & 3;
u8 hwq = (queue >> 2) & 0x1f;
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
if (test_and_clear_bit(hwq, trans_pcie->queue_stopped)) {
if (atomic_dec_return(&trans_pcie->queue_stop_count[ac]) <= 0) {
iwl_op_mode_queue_not_full(trans->op_mode, ac);
IWL_DEBUG_TX_QUEUES(trans, "Wake hwq %d ac %d",
hwq, ac);
} else {
IWL_DEBUG_TX_QUEUES(trans,
"Don't wake hwq %d ac %d stop count %d",
hwq, ac,
atomic_read(&trans_pcie->queue_stop_count[ac]));
}
if (test_and_clear_bit(txq->q.id, trans_pcie->queue_stopped)) {
IWL_DEBUG_TX_QUEUES(trans, "Wake hwq %d\n", txq->q.id);
iwl_op_mode_queue_not_full(trans->op_mode, txq->q.id);
}
}
static inline void iwl_stop_queue(struct iwl_trans *trans,
struct iwl_tx_queue *txq)
{
u8 queue = txq->swq_id;
u8 ac = queue & 3;
u8 hwq = (queue >> 2) & 0x1f;
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
if (!test_and_set_bit(hwq, trans_pcie->queue_stopped)) {
if (atomic_inc_return(&trans_pcie->queue_stop_count[ac]) > 0) {
iwl_op_mode_queue_full(trans->op_mode, ac);
IWL_DEBUG_TX_QUEUES(trans,
"Stop hwq %d ac %d stop count %d",
hwq, ac,
atomic_read(&trans_pcie->queue_stop_count[ac]));
} else {
IWL_DEBUG_TX_QUEUES(trans,
"Don't stop hwq %d ac %d stop count %d",
hwq, ac,
atomic_read(&trans_pcie->queue_stop_count[ac]));
}
} else {
IWL_DEBUG_TX_QUEUES(trans, "stop hwq %d, but it is stopped",
hwq);
}
}
static inline void iwl_txq_ctx_activate(struct iwl_trans_pcie *trans_pcie,
int txq_id)
{
set_bit(txq_id, &trans_pcie->txq_ctx_active_msk);
}
static inline void iwl_txq_ctx_deactivate(struct iwl_trans_pcie *trans_pcie,
int txq_id)
{
clear_bit(txq_id, &trans_pcie->txq_ctx_active_msk);
if (!test_and_set_bit(txq->q.id, trans_pcie->queue_stopped)) {
iwl_op_mode_queue_full(trans->op_mode, txq->q.id);
IWL_DEBUG_TX_QUEUES(trans, "Stop hwq %d\n", txq->q.id);
} else
IWL_DEBUG_TX_QUEUES(trans, "hwq %d already stopped\n",
txq->q.id);
}
static inline int iwl_queue_used(const struct iwl_queue *q, int i)
@ -487,19 +392,4 @@ static inline u8 get_cmd_index(struct iwl_queue *q, u32 index)
return index & (q->n_window - 1);
}
#define IWL_TX_FIFO_BK 0 /* shared */
#define IWL_TX_FIFO_BE 1
#define IWL_TX_FIFO_VI 2 /* shared */
#define IWL_TX_FIFO_VO 3
#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK
#define IWL_TX_FIFO_BE_IPAN 4
#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI
#define IWL_TX_FIFO_VO_IPAN 5
/* re-uses the VO FIFO, uCode will properly flush/schedule */
#define IWL_TX_FIFO_AUX 5
#define IWL_TX_FIFO_UNUSED -1
/* AUX (TX during scan dwell) queue */
#define IWL_AUX_QUEUE 10
#endif /* __iwl_trans_int_pcie_h__ */

514
drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c
View File

@ -146,8 +146,11 @@ void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans,
q->write_actual = (q->write & ~0x7);
iwl_write32(trans, FH_RSCSR_CHNL0_WPTR, q->write_actual);
} else {
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
/* If power-saving is in use, make sure device is awake */
if (test_bit(STATUS_POWER_PMI, &trans->shrd->status)) {
if (test_bit(STATUS_POWER_PMI, &trans_pcie->status)) {
reg = iwl_read32(trans, CSR_UCODE_DRV_GP1);
if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) {
@ -362,83 +365,96 @@ static void iwl_rx_handle_rxbuf(struct iwl_trans *trans,
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_rx_queue *rxq = &trans_pcie->rxq;
struct iwl_tx_queue *txq = &trans_pcie->txq[trans_pcie->cmd_queue];
struct iwl_device_cmd *cmd;
unsigned long flags;
int len, err;
u16 sequence;
struct iwl_rx_cmd_buffer rxcb;
struct iwl_rx_packet *pkt;
bool reclaim;
int index, cmd_index;
bool page_stolen = false;
int max_len = PAGE_SIZE << hw_params(trans).rx_page_order;
u32 offset = 0;
if (WARN_ON(!rxb))
return;
dma_unmap_page(trans->dev, rxb->page_dma,
PAGE_SIZE << hw_params(trans).rx_page_order,
DMA_FROM_DEVICE);
dma_unmap_page(trans->dev, rxb->page_dma, max_len, DMA_FROM_DEVICE);
rxcb._page = rxb->page;
pkt = rxb_addr(&rxcb);
while (offset + sizeof(u32) + sizeof(struct iwl_cmd_header) < max_len) {
struct iwl_rx_packet *pkt;
struct iwl_device_cmd *cmd;
u16 sequence;
bool reclaim;
int index, cmd_index, err, len;
struct iwl_rx_cmd_buffer rxcb = {
._offset = offset,
._page = rxb->page,
._page_stolen = false,
};
IWL_DEBUG_RX(trans, "%s, 0x%02x\n",
get_cmd_string(pkt->hdr.cmd), pkt->hdr.cmd);
pkt = rxb_addr(&rxcb);
if (pkt->len_n_flags == cpu_to_le32(FH_RSCSR_FRAME_INVALID))
break;
len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
len += sizeof(u32); /* account for status word */
trace_iwlwifi_dev_rx(trans->dev, pkt, len);
IWL_DEBUG_RX(trans, "cmd at offset %d: %s (0x%.2x)\n",
rxcb._offset, get_cmd_string(pkt->hdr.cmd),
pkt->hdr.cmd);
/* Reclaim a command buffer only if this packet is a response
* to a (driver-originated) command.
* If the packet (e.g. Rx frame) originated from uCode,
* there is no command buffer to reclaim.
* Ucode should set SEQ_RX_FRAME bit if ucode-originated,
* but apparently a few don't get set; catch them here. */
reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME);
if (reclaim) {
int i;
len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
len += sizeof(u32); /* account for status word */
trace_iwlwifi_dev_rx(trans->dev, pkt, len);
for (i = 0; i < trans_pcie->n_no_reclaim_cmds; i++) {
if (trans_pcie->no_reclaim_cmds[i] == pkt->hdr.cmd) {
reclaim = false;
break;
/* Reclaim a command buffer only if this packet is a response
* to a (driver-originated) command.
* If the packet (e.g. Rx frame) originated from uCode,
* there is no command buffer to reclaim.
* Ucode should set SEQ_RX_FRAME bit if ucode-originated,
* but apparently a few don't get set; catch them here. */
reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME);
if (reclaim) {
int i;
for (i = 0; i < trans_pcie->n_no_reclaim_cmds; i++) {
if (trans_pcie->no_reclaim_cmds[i] ==
pkt->hdr.cmd) {
reclaim = false;
break;
}
}
}
}
sequence = le16_to_cpu(pkt->hdr.sequence);
index = SEQ_TO_INDEX(sequence);
cmd_index = get_cmd_index(&txq->q, index);
sequence = le16_to_cpu(pkt->hdr.sequence);
index = SEQ_TO_INDEX(sequence);
cmd_index = get_cmd_index(&txq->q, index);
if (reclaim)
cmd = txq->cmd[cmd_index];
else
cmd = NULL;
err = iwl_op_mode_rx(trans->op_mode, &rxcb, cmd);
/*
* XXX: After here, we should always check rxcb._page
* against NULL before touching it or its virtual
* memory (pkt). Because some rx_handler might have
* already taken or freed the pages.
*/
if (reclaim) {
/* Invoke any callbacks, transfer the buffer to caller,
* and fire off the (possibly) blocking
* iwl_trans_send_cmd()
* as we reclaim the driver command queue */
if (rxcb._page)
iwl_tx_cmd_complete(trans, &rxcb, err);
if (reclaim)
cmd = txq->cmd[cmd_index];
else
IWL_WARN(trans, "Claim null rxb?\n");
cmd = NULL;
err = iwl_op_mode_rx(trans->op_mode, &rxcb, cmd);
/*
* After here, we should always check rxcb._page_stolen,
* if it is true then one of the handlers took the page.
*/
if (reclaim) {
/* Invoke any callbacks, transfer the buffer to caller,
* and fire off the (possibly) blocking
* iwl_trans_send_cmd()
* as we reclaim the driver command queue */
if (!rxcb._page_stolen)
iwl_tx_cmd_complete(trans, &rxcb, err);
else
IWL_WARN(trans, "Claim null rxb?\n");
}
page_stolen |= rxcb._page_stolen;
offset += ALIGN(len, FH_RSCSR_FRAME_ALIGN);
}
/* page was stolen from us */
if (rxcb._page == NULL)
/* page was stolen from us -- free our reference */
if (page_stolen) {
__free_pages(rxb->page, hw_params(trans).rx_page_order);
rxb->page = NULL;
}
/* Reuse the page if possible. For notification packets and
* SKBs that fail to Rx correctly, add them back into the
@ -520,153 +536,6 @@ static void iwl_rx_handle(struct iwl_trans *trans)
iwlagn_rx_queue_restock(trans);
}
static const char * const desc_lookup_text[] = {
"OK",
"FAIL",
"BAD_PARAM",
"BAD_CHECKSUM",
"NMI_INTERRUPT_WDG",
"SYSASSERT",
"FATAL_ERROR",
"BAD_COMMAND",
"HW_ERROR_TUNE_LOCK",
"HW_ERROR_TEMPERATURE",
"ILLEGAL_CHAN_FREQ",
"VCC_NOT_STABLE",
"FH_ERROR",
"NMI_INTERRUPT_HOST",
"NMI_INTERRUPT_ACTION_PT",
"NMI_INTERRUPT_UNKNOWN",
"UCODE_VERSION_MISMATCH",
"HW_ERROR_ABS_LOCK",
"HW_ERROR_CAL_LOCK_FAIL",
"NMI_INTERRUPT_INST_ACTION_PT",
"NMI_INTERRUPT_DATA_ACTION_PT",
"NMI_TRM_HW_ER",
"NMI_INTERRUPT_TRM",
"NMI_INTERRUPT_BREAK_POINT",
"DEBUG_0",
"DEBUG_1",
"DEBUG_2",
"DEBUG_3",
};
static struct { char *name; u8 num; } advanced_lookup[] = {
{ "NMI_INTERRUPT_WDG", 0x34 },
{ "SYSASSERT", 0x35 },
{ "UCODE_VERSION_MISMATCH", 0x37 },
{ "BAD_COMMAND", 0x38 },
{ "NMI_INTERRUPT_DATA_ACTION_PT", 0x3C },
{ "FATAL_ERROR", 0x3D },
{ "NMI_TRM_HW_ERR", 0x46 },
{ "NMI_INTERRUPT_TRM", 0x4C },
{ "NMI_INTERRUPT_BREAK_POINT", 0x54 },
{ "NMI_INTERRUPT_WDG_RXF_FULL", 0x5C },
{ "NMI_INTERRUPT_WDG_NO_RBD_RXF_FULL", 0x64 },
{ "NMI_INTERRUPT_HOST", 0x66 },
{ "NMI_INTERRUPT_ACTION_PT", 0x7C },
{ "NMI_INTERRUPT_UNKNOWN", 0x84 },
{ "NMI_INTERRUPT_INST_ACTION_PT", 0x86 },
{ "ADVANCED_SYSASSERT", 0 },
};
static const char *desc_lookup(u32 num)
{
int i;
int max = ARRAY_SIZE(desc_lookup_text);
if (num < max)
return desc_lookup_text[num];
max = ARRAY_SIZE(advanced_lookup) - 1;
for (i = 0; i < max; i++) {
if (advanced_lookup[i].num == num)
break;
}
return advanced_lookup[i].name;
}
#define ERROR_START_OFFSET (1 * sizeof(u32))
#define ERROR_ELEM_SIZE (7 * sizeof(u32))
static void iwl_dump_nic_error_log(struct iwl_trans *trans)
{
u32 base;
struct iwl_error_event_table table;
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
base = trans->shrd->device_pointers.error_event_table;
if (trans->shrd->ucode_type == IWL_UCODE_INIT) {
if (!base)
base = trans->shrd->fw->init_errlog_ptr;
} else {
if (!base)
base = trans->shrd->fw->inst_errlog_ptr;
}
if (!iwlagn_hw_valid_rtc_data_addr(base)) {
IWL_ERR(trans,
"Not valid error log pointer 0x%08X for %s uCode\n",
base,
(trans->shrd->ucode_type == IWL_UCODE_INIT)
? "Init" : "RT");
return;
}
iwl_read_targ_mem_words(trans, base, &table, sizeof(table));
if (ERROR_START_OFFSET <= table.valid * ERROR_ELEM_SIZE) {
IWL_ERR(trans, "Start IWL Error Log Dump:\n");
IWL_ERR(trans, "Status: 0x%08lX, count: %d\n",
trans->shrd->status, table.valid);
}
trans_pcie->isr_stats.err_code = table.error_id;
trace_iwlwifi_dev_ucode_error(trans->dev, table.error_id, table.tsf_low,
table.data1, table.data2, table.line,
table.blink1, table.blink2, table.ilink1,
table.ilink2, table.bcon_time, table.gp1,
table.gp2, table.gp3, table.ucode_ver,
table.hw_ver, table.brd_ver);
IWL_ERR(trans, "0x%08X | %-28s\n", table.error_id,
desc_lookup(table.error_id));
IWL_ERR(trans, "0x%08X | uPc\n", table.pc);
IWL_ERR(trans, "0x%08X | branchlink1\n", table.blink1);
IWL_ERR(trans, "0x%08X | branchlink2\n", table.blink2);
IWL_ERR(trans, "0x%08X | interruptlink1\n", table.ilink1);
IWL_ERR(trans, "0x%08X | interruptlink2\n", table.ilink2);
IWL_ERR(trans, "0x%08X | data1\n", table.data1);
IWL_ERR(trans, "0x%08X | data2\n", table.data2);
IWL_ERR(trans, "0x%08X | line\n", table.line);
IWL_ERR(trans, "0x%08X | beacon time\n", table.bcon_time);
IWL_ERR(trans, "0x%08X | tsf low\n", table.tsf_low);
IWL_ERR(trans, "0x%08X | tsf hi\n", table.tsf_hi);
IWL_ERR(trans, "0x%08X | time gp1\n", table.gp1);
IWL_ERR(trans, "0x%08X | time gp2\n", table.gp2);
IWL_ERR(trans, "0x%08X | time gp3\n", table.gp3);
IWL_ERR(trans, "0x%08X | uCode version\n", table.ucode_ver);
IWL_ERR(trans, "0x%08X | hw version\n", table.hw_ver);
IWL_ERR(trans, "0x%08X | board version\n", table.brd_ver);
IWL_ERR(trans, "0x%08X | hcmd\n", table.hcmd);
IWL_ERR(trans, "0x%08X | isr0\n", table.isr0);
IWL_ERR(trans, "0x%08X | isr1\n", table.isr1);
IWL_ERR(trans, "0x%08X | isr2\n", table.isr2);
IWL_ERR(trans, "0x%08X | isr3\n", table.isr3);
IWL_ERR(trans, "0x%08X | isr4\n", table.isr4);
IWL_ERR(trans, "0x%08X | isr_pref\n", table.isr_pref);
IWL_ERR(trans, "0x%08X | wait_event\n", table.wait_event);
IWL_ERR(trans, "0x%08X | l2p_control\n", table.l2p_control);
IWL_ERR(trans, "0x%08X | l2p_duration\n", table.l2p_duration);
IWL_ERR(trans, "0x%08X | l2p_mhvalid\n", table.l2p_mhvalid);
IWL_ERR(trans, "0x%08X | l2p_addr_match\n", table.l2p_addr_match);
IWL_ERR(trans, "0x%08X | lmpm_pmg_sel\n", table.lmpm_pmg_sel);
IWL_ERR(trans, "0x%08X | timestamp\n", table.u_timestamp);
IWL_ERR(trans, "0x%08X | flow_handler\n", table.flow_handler);
}
/**
* iwl_irq_handle_error - called for HW or SW error interrupt from card
*/
@ -689,243 +558,12 @@ static void iwl_irq_handle_error(struct iwl_trans *trans)
return;
}
IWL_ERR(trans, "Loaded firmware version: %s\n",
trans->shrd->fw->fw_version);
iwl_dump_nic_error_log(trans);
iwl_dump_csr(trans);
iwl_dump_fh(trans, NULL, false);
iwl_dump_nic_event_log(trans, false, NULL, false);
iwl_op_mode_nic_error(trans->op_mode);
}
#define EVENT_START_OFFSET (4 * sizeof(u32))
/**
* iwl_print_event_log - Dump error event log to syslog
*
*/
static int iwl_print_event_log(struct iwl_trans *trans, u32 start_idx,
u32 num_events, u32 mode,
int pos, char **buf, size_t bufsz)
{
u32 i;
u32 base; /* SRAM byte address of event log header */
u32 event_size; /* 2 u32s, or 3 u32s if timestamp recorded */
u32 ptr; /* SRAM byte address of log data */
u32 ev, time, data; /* event log data */
unsigned long reg_flags;
if (num_events == 0)
return pos;
base = trans->shrd->device_pointers.log_event_table;
if (trans->shrd->ucode_type == IWL_UCODE_INIT) {
if (!base)
base = trans->shrd->fw->init_evtlog_ptr;
} else {
if (!base)
base = trans->shrd->fw->inst_evtlog_ptr;
}
if (mode == 0)
event_size = 2 * sizeof(u32);
else
event_size = 3 * sizeof(u32);
ptr = base + EVENT_START_OFFSET + (start_idx * event_size);
/* Make sure device is powered up for SRAM reads */
spin_lock_irqsave(&trans->reg_lock, reg_flags);
if (unlikely(!iwl_grab_nic_access(trans)))
goto out_unlock;
/* Set starting address; reads will auto-increment */
iwl_write32(trans, HBUS_TARG_MEM_RADDR, ptr);
/* "time" is actually "data" for mode 0 (no timestamp).
* place event id # at far right for easier visual parsing. */
for (i = 0; i < num_events; i++) {
ev = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
time = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
if (mode == 0) {
/* data, ev */
if (bufsz) {
pos += scnprintf(*buf + pos, bufsz - pos,
"EVT_LOG:0x%08x:%04u\n",
time, ev);
} else {
trace_iwlwifi_dev_ucode_event(trans->dev, 0,
time, ev);
IWL_ERR(trans, "EVT_LOG:0x%08x:%04u\n",
time, ev);
}
} else {
data = iwl_read32(trans, HBUS_TARG_MEM_RDAT);
if (bufsz) {
pos += scnprintf(*buf + pos, bufsz - pos,
"EVT_LOGT:%010u:0x%08x:%04u\n",
time, data, ev);
} else {
IWL_ERR(trans, "EVT_LOGT:%010u:0x%08x:%04u\n",
time, data, ev);
trace_iwlwifi_dev_ucode_event(trans->dev, time,
data, ev);
}
}
}
/* Allow device to power down */
iwl_release_nic_access(trans);
out_unlock:
spin_unlock_irqrestore(&trans->reg_lock, reg_flags);
return pos;
}
/**
* iwl_print_last_event_logs - Dump the newest # of event log to syslog
*/
static int iwl_print_last_event_logs(struct iwl_trans *trans, u32 capacity,
u32 num_wraps, u32 next_entry,
u32 size, u32 mode,
int pos, char **buf, size_t bufsz)
{
/*
* display the newest DEFAULT_LOG_ENTRIES entries
* i.e the entries just before the next ont that uCode would fill.
*/
if (num_wraps) {
if (next_entry < size) {
pos = iwl_print_event_log(trans,
capacity - (size - next_entry),
size - next_entry, mode,
pos, buf, bufsz);
pos = iwl_print_event_log(trans, 0,
next_entry, mode,
pos, buf, bufsz);
} else
pos = iwl_print_event_log(trans, next_entry - size,
size, mode, pos, buf, bufsz);
} else {
if (next_entry < size) {
pos = iwl_print_event_log(trans, 0, next_entry,
mode, pos, buf, bufsz);
} else {
pos = iwl_print_event_log(trans, next_entry - size,
size, mode, pos, buf, bufsz);
}
}
return pos;
}
#define DEFAULT_DUMP_EVENT_LOG_ENTRIES (20)
int iwl_dump_nic_event_log(struct iwl_trans *trans, bool full_log,
char **buf, bool display)
{
u32 base; /* SRAM byte address of event log header */
u32 capacity; /* event log capacity in # entries */
u32 mode; /* 0 - no timestamp, 1 - timestamp recorded */
u32 num_wraps; /* # times uCode wrapped to top of log */
u32 next_entry; /* index of next entry to be written by uCode */
u32 size; /* # entries that we'll print */
u32 logsize;
int pos = 0;
size_t bufsz = 0;
base = trans->shrd->device_pointers.log_event_table;
if (trans->shrd->ucode_type == IWL_UCODE_INIT) {
logsize = trans->shrd->fw->init_evtlog_size;
if (!base)
base = trans->shrd->fw->init_evtlog_ptr;
} else {
logsize = trans->shrd->fw->inst_evtlog_size;
if (!base)
base = trans->shrd->fw->inst_evtlog_ptr;
}
if (!iwlagn_hw_valid_rtc_data_addr(base)) {
IWL_ERR(trans,
"Invalid event log pointer 0x%08X for %s uCode\n",
base,
(trans->shrd->ucode_type == IWL_UCODE_INIT)
? "Init" : "RT");
return -EINVAL;
}
/* event log header */
capacity = iwl_read_targ_mem(trans, base);
mode = iwl_read_targ_mem(trans, base + (1 * sizeof(u32)));
num_wraps = iwl_read_targ_mem(trans, base + (2 * sizeof(u32)));
next_entry = iwl_read_targ_mem(trans, base + (3 * sizeof(u32)));
if (capacity > logsize) {
IWL_ERR(trans, "Log capacity %d is bogus, limit to %d "
"entries\n", capacity, logsize);
capacity = logsize;
}
if (next_entry > logsize) {
IWL_ERR(trans, "Log write index %d is bogus, limit to %d\n",
next_entry, logsize);
next_entry = logsize;
}
size = num_wraps ? capacity : next_entry;
/* bail out if nothing in log */
if (size == 0) {
IWL_ERR(trans, "Start IWL Event Log Dump: nothing in log\n");
return pos;
}
#ifdef CONFIG_IWLWIFI_DEBUG
if (!(iwl_have_debug_level(IWL_DL_FW_ERRORS)) && !full_log)
size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
#else
size = (size > DEFAULT_DUMP_EVENT_LOG_ENTRIES)
? DEFAULT_DUMP_EVENT_LOG_ENTRIES : size;
#endif
IWL_ERR(trans, "Start IWL Event Log Dump: display last %u entries\n",
size);
#ifdef CONFIG_IWLWIFI_DEBUG
if (display) {
if (full_log)
bufsz = capacity * 48;
else
bufsz = size * 48;
*buf = kmalloc(bufsz, GFP_KERNEL);
if (!*buf)
return -ENOMEM;
}
if (iwl_have_debug_level(IWL_DL_FW_ERRORS) || full_log) {
/*
* if uCode has wrapped back to top of log,
* start at the oldest entry,
* i.e the next one that uCode would fill.
*/
if (num_wraps)
pos = iwl_print_event_log(trans, next_entry,
capacity - next_entry, mode,
pos, buf, bufsz);
/* (then/else) start at top of log */
pos = iwl_print_event_log(trans, 0,
next_entry, mode, pos, buf, bufsz);
} else
pos = iwl_print_last_event_logs(trans, capacity, num_wraps,
next_entry, size, mode,
pos, buf, bufsz);
#else
pos = iwl_print_last_event_logs(trans, capacity, num_wraps,
next_entry, size, mode,
pos, buf, bufsz);
#endif
return pos;
}
/* tasklet for iwlagn interrupt */
void iwl_irq_tasklet(struct iwl_trans *trans)
{
@ -963,7 +601,7 @@ void iwl_irq_tasklet(struct iwl_trans *trans)
if (iwl_have_debug_level(IWL_DL_ISR)) {
/* just for debug */
inta_mask = iwl_read32(trans, CSR_INT_MASK);
IWL_DEBUG_ISR(trans, "inta 0x%08x, enabled 0x%08x\n ",
IWL_DEBUG_ISR(trans, "inta 0x%08x, enabled 0x%08x\n",
inta, inta_mask);
}
#endif

218
drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
View File

@ -41,43 +41,6 @@
#define IWL_TX_CRC_SIZE 4
#define IWL_TX_DELIMITER_SIZE 4
/*
* mac80211 queues, ACs, hardware queues, FIFOs.
*
* Cf. http://wireless.kernel.org/en/developers/Documentation/mac80211/queues
*
* Mac80211 uses the following numbers, which we get as from it
* by way of skb_get_queue_mapping(skb):
*
* VO 0
* VI 1
* BE 2
* BK 3
*
*
* Regular (not A-MPDU) frames are put into hardware queues corresponding
* to the FIFOs, see comments in iwl-prph.h. Aggregated frames get their
* own queue per aggregation session (RA/TID combination), such queues are
* set up to map into FIFOs too, for which we need an AC->FIFO mapping. In
* order to map frames to the right queue, we also need an AC->hw queue
* mapping. This is implemented here.
*
* Due to the way hw queues are set up (by the hw specific code), the AC->hw
* queue mapping is the identity mapping.
*/
static const u8 tid_to_ac[] = {
IEEE80211_AC_BE,
IEEE80211_AC_BK,
IEEE80211_AC_BK,
IEEE80211_AC_BE,
IEEE80211_AC_VI,
IEEE80211_AC_VI,
IEEE80211_AC_VO,
IEEE80211_AC_VO
};
/**
* iwl_trans_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
*/
@ -141,8 +104,10 @@ void iwl_txq_update_write_ptr(struct iwl_trans *trans, struct iwl_tx_queue *txq)
iwl_write32(trans, HBUS_TARG_WRPTR,
txq->q.write_ptr | (txq_id << 8));
} else {
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
/* if we're trying to save power */
if (test_bit(STATUS_POWER_PMI, &trans->shrd->status)) {
if (test_bit(STATUS_POWER_PMI, &trans_pcie->status)) {
/* wake up nic if it's powered down ...
* uCode will wake up, and interrupt us again, so next
* time we'll skip this part. */
@ -448,20 +413,17 @@ static void iwlagn_tx_queue_stop_scheduler(struct iwl_trans *trans, u16 txq_id)
void iwl_trans_set_wr_ptrs(struct iwl_trans *trans,
int txq_id, u32 index)
{
IWL_DEBUG_TX_QUEUES(trans, "Q %d WrPtr: %d", txq_id, index & 0xff);
IWL_DEBUG_TX_QUEUES(trans, "Q %d WrPtr: %d\n", txq_id, index & 0xff);
iwl_write_direct32(trans, HBUS_TARG_WRPTR,
(index & 0xff) | (txq_id << 8));
iwl_write_prph(trans, SCD_QUEUE_RDPTR(txq_id), index);
}
void iwl_trans_tx_queue_set_status(struct iwl_trans *trans,
struct iwl_tx_queue *txq,
int tx_fifo_id, int scd_retry)
struct iwl_tx_queue *txq,
int tx_fifo_id, bool active)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int txq_id = txq->q.id;
int active =
test_bit(txq_id, &trans_pcie->txq_ctx_active_msk) ? 1 : 0;
iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
(active << SCD_QUEUE_STTS_REG_POS_ACTIVE) |
@ -469,77 +431,22 @@ void iwl_trans_tx_queue_set_status(struct iwl_trans *trans,
(1 << SCD_QUEUE_STTS_REG_POS_WSL) |
SCD_QUEUE_STTS_REG_MSK);
txq->sched_retry = scd_retry;
if (active)
IWL_DEBUG_TX_QUEUES(trans, "Activate %s Queue %d on FIFO %d\n",
scd_retry ? "BA" : "AC/CMD", txq_id, tx_fifo_id);
IWL_DEBUG_TX_QUEUES(trans, "Activate queue %d on FIFO %d\n",
txq_id, tx_fifo_id);
else
IWL_DEBUG_TX_QUEUES(trans, "Deactivate %s Queue %d\n",
scd_retry ? "BA" : "AC/CMD", txq_id);
IWL_DEBUG_TX_QUEUES(trans, "Deactivate queue %d\n", txq_id);
}
static inline int get_ac_from_tid(u16 tid)
void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans, int txq_id, int fifo,
int sta_id, int tid, int frame_limit, u16 ssn)
{
if (likely(tid < ARRAY_SIZE(tid_to_ac)))
return tid_to_ac[tid];
/* no support for TIDs 8-15 yet */
return -EINVAL;
}
static inline int get_fifo_from_tid(struct iwl_trans_pcie *trans_pcie,
u8 ctx, u16 tid)
{
const u8 *ac_to_fifo = trans_pcie->ac_to_fifo[ctx];
if (likely(tid < ARRAY_SIZE(tid_to_ac)))
return ac_to_fifo[tid_to_ac[tid]];
/* no support for TIDs 8-15 yet */
return -EINVAL;
}
static inline bool is_agg_txqid_valid(struct iwl_trans *trans, int txq_id)
{
if (txq_id < IWLAGN_FIRST_AMPDU_QUEUE)
return false;
return txq_id < (IWLAGN_FIRST_AMPDU_QUEUE +
hw_params(trans).num_ampdu_queues);
}
void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans,
enum iwl_rxon_context_id ctx, int sta_id,
int tid, int frame_limit, u16 ssn)
{
int tx_fifo, txq_id;
u16 ra_tid;
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
unsigned long flags;
u16 ra_tid = BUILD_RAxTID(sta_id, tid);
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
if (WARN_ON(sta_id == IWL_INVALID_STATION))
return;
if (WARN_ON(tid >= IWL_MAX_TID_COUNT))
return;
tx_fifo = get_fifo_from_tid(trans_pcie, ctx, tid);
if (WARN_ON(tx_fifo < 0)) {
IWL_ERR(trans, "txq_agg_setup, bad fifo: %d\n", tx_fifo);
return;
}
txq_id = trans_pcie->agg_txq[sta_id][tid];
if (WARN_ON_ONCE(!is_agg_txqid_valid(trans, txq_id))) {
IWL_ERR(trans,
"queue number out of range: %d, must be %d to %d\n",
txq_id, IWLAGN_FIRST_AMPDU_QUEUE,
IWLAGN_FIRST_AMPDU_QUEUE +
hw_params(trans).num_ampdu_queues - 1);
return;
}
ra_tid = BUILD_RAxTID(sta_id, tid);
if (test_and_set_bit(txq_id, trans_pcie->queue_used))
WARN_ONCE(1, "queue %d already used - expect issues", txq_id);
spin_lock_irqsave(&trans_pcie->irq_lock, flags);
@ -550,10 +457,10 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans,
iwlagn_tx_queue_set_q2ratid(trans, ra_tid, txq_id);
/* Set this queue as a chain-building queue */
iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, (1<<txq_id));
iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, BIT(txq_id));
/* enable aggregations for the queue */
iwl_set_bits_prph(trans, SCD_AGGR_SEL, (1<<txq_id));
iwl_set_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
/* Place first TFD at index corresponding to start sequence number.
* Assumes that ssn_idx is valid (!= 0xFFF) */
@ -563,92 +470,42 @@ void iwl_trans_pcie_tx_agg_setup(struct iwl_trans *trans,
/* Set up Tx window size and frame limit for this queue */
iwl_write_targ_mem(trans, trans_pcie->scd_base_addr +
SCD_CONTEXT_QUEUE_OFFSET(txq_id) +
sizeof(u32),
((frame_limit <<
SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
((frame_limit <<
SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
SCD_CONTEXT_QUEUE_OFFSET(txq_id) + sizeof(u32),
((frame_limit << SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
((frame_limit << SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
iwl_set_bits_prph(trans, SCD_INTERRUPT_MASK, (1 << txq_id));
/* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id],
tx_fifo, 1);
trans_pcie->txq[txq_id].sta_id = sta_id;
trans_pcie->txq[txq_id].tid = tid;
fifo, true);
spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
}
/*
* Find first available (lowest unused) Tx Queue, mark it "active".
* Called only when finding queue for aggregation.
* Should never return anything < 7, because they should already
* be in use as EDCA AC (0-3), Command (4), reserved (5, 6)
*/
static int iwlagn_txq_ctx_activate_free(struct iwl_trans *trans)
void iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int txq_id;
for (txq_id = 0; txq_id < cfg(trans)->base_params->num_of_queues;
txq_id++)
if (!test_and_set_bit(txq_id,
&trans_pcie->txq_ctx_active_msk))
return txq_id;
return -1;
}
int iwl_trans_pcie_tx_agg_alloc(struct iwl_trans *trans,
int sta_id, int tid)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int txq_id;
txq_id = iwlagn_txq_ctx_activate_free(trans);
if (txq_id == -1) {
IWL_ERR(trans, "No free aggregation queue available\n");
return -ENXIO;
}
trans_pcie->agg_txq[sta_id][tid] = txq_id;
iwl_set_swq_id(&trans_pcie->txq[txq_id], get_ac_from_tid(tid), txq_id);
return 0;
}
int iwl_trans_pcie_tx_agg_disable(struct iwl_trans *trans, int sta_id, int tid)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
u8 txq_id = trans_pcie->agg_txq[sta_id][tid];
if (WARN_ON_ONCE(!is_agg_txqid_valid(trans, txq_id))) {
IWL_ERR(trans,
"queue number out of range: %d, must be %d to %d\n",
txq_id, IWLAGN_FIRST_AMPDU_QUEUE,
IWLAGN_FIRST_AMPDU_QUEUE +
hw_params(trans).num_ampdu_queues - 1);
return -EINVAL;
if (!test_and_clear_bit(txq_id, trans_pcie->queue_used)) {
WARN_ONCE(1, "queue %d not used", txq_id);
return;
}
iwlagn_tx_queue_stop_scheduler(trans, txq_id);
iwl_clear_bits_prph(trans, SCD_AGGR_SEL, (1 << txq_id));
iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
trans_pcie->agg_txq[sta_id][tid] = 0;
trans_pcie->txq[txq_id].q.read_ptr = 0;
trans_pcie->txq[txq_id].q.write_ptr = 0;
/* supposes that ssn_idx is valid (!= 0xFFF) */
iwl_trans_set_wr_ptrs(trans, txq_id, 0);
iwl_clear_bits_prph(trans, SCD_INTERRUPT_MASK, (1 << txq_id));
iwl_txq_ctx_deactivate(trans_pcie, txq_id);
iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id], 0, 0);
return 0;
iwl_clear_bits_prph(trans, SCD_INTERRUPT_MASK, BIT(txq_id));
iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[txq_id],
0, false);
}
/*************** HOST COMMAND QUEUE FUNCTIONS *****/
@ -681,11 +538,6 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
int trace_idx;
#endif
if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) {
IWL_WARN(trans, "fw recovery, no hcmd send\n");
return -EIO;
}
copy_size = sizeof(out_cmd->hdr);
cmd_size = sizeof(out_cmd->hdr);
@ -966,12 +818,6 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
IWL_DEBUG_INFO(trans, "Attempting to send sync command %s\n",
get_cmd_string(cmd->id));
if (test_bit(STATUS_FW_ERROR, &trans->shrd->status)) {
IWL_ERR(trans, "Command %s failed: FW Error\n",
get_cmd_string(cmd->id));
return -EIO;
}
if (WARN_ON(test_and_set_bit(STATUS_HCMD_ACTIVE,
&trans->shrd->status))) {
IWL_ERR(trans, "Command %s: a command is already active!\n",

270
drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
View File

@ -180,7 +180,6 @@ static void iwl_trans_rx_hw_init(struct iwl_trans *trans,
FH_RCSR_RX_CONFIG_CHNL_EN_ENABLE_VAL |
FH_RCSR_CHNL0_RX_IGNORE_RXF_EMPTY |
FH_RCSR_CHNL0_RX_CONFIG_IRQ_DEST_INT_HOST_VAL |
FH_RCSR_CHNL0_RX_CONFIG_SINGLE_FRAME_MSK |
rb_size|
(rb_timeout << FH_RCSR_RX_CONFIG_REG_IRQ_RBTH_POS)|
(rfdnlog << FH_RCSR_RX_CONFIG_RBDCB_SIZE_POS));
@ -370,21 +369,13 @@ error:
}
static int iwl_trans_txq_init(struct iwl_trans *trans, struct iwl_tx_queue *txq,
int slots_num, u32 txq_id)
int slots_num, u32 txq_id)
{
int ret;
txq->need_update = 0;
memset(txq->meta, 0, sizeof(txq->meta[0]) * slots_num);
/*
* For the default queues 0-3, set up the swq_id
* already -- all others need to get one later
* (if they need one at all).
*/
if (txq_id < 4)
iwl_set_swq_id(txq, txq_id, txq_id);
/* TFD_QUEUE_SIZE_MAX must be power-of-two size, otherwise
* iwl_queue_inc_wrap and iwl_queue_dec_wrap are broken. */
BUILD_BUG_ON(TFD_QUEUE_SIZE_MAX & (TFD_QUEUE_SIZE_MAX - 1));
@ -895,59 +886,6 @@ static int iwl_prepare_card_hw(struct iwl_trans *trans)
return ret;
}
#define IWL_AC_UNSET -1
struct queue_to_fifo_ac {
s8 fifo, ac;
};
static const struct queue_to_fifo_ac iwlagn_default_queue_to_tx_fifo[] = {
{ IWL_TX_FIFO_VO, IEEE80211_AC_VO, },
{ IWL_TX_FIFO_VI, IEEE80211_AC_VI, },
{ IWL_TX_FIFO_BE, IEEE80211_AC_BE, },
{ IWL_TX_FIFO_BK, IEEE80211_AC_BK, },
{ IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, },
{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
{ IWL_TX_FIFO_UNUSED, IWL_AC_UNSET, },
};
static const struct queue_to_fifo_ac iwlagn_ipan_queue_to_tx_fifo[] = {
{ IWL_TX_FIFO_VO, IEEE80211_AC_VO, },
{ IWL_TX_FIFO_VI, IEEE80211_AC_VI, },
{ IWL_TX_FIFO_BE, IEEE80211_AC_BE, },
{ IWL_TX_FIFO_BK, IEEE80211_AC_BK, },
{ IWL_TX_FIFO_BK_IPAN, IEEE80211_AC_BK, },
{ IWL_TX_FIFO_BE_IPAN, IEEE80211_AC_BE, },
{ IWL_TX_FIFO_VI_IPAN, IEEE80211_AC_VI, },
{ IWL_TX_FIFO_VO_IPAN, IEEE80211_AC_VO, },
{ IWL_TX_FIFO_BE_IPAN, 2, },
{ IWLAGN_CMD_FIFO_NUM, IWL_AC_UNSET, },
{ IWL_TX_FIFO_AUX, IWL_AC_UNSET, },
};
static const u8 iwlagn_bss_ac_to_fifo[] = {
IWL_TX_FIFO_VO,
IWL_TX_FIFO_VI,
IWL_TX_FIFO_BE,
IWL_TX_FIFO_BK,
};
static const u8 iwlagn_bss_ac_to_queue[] = {
0, 1, 2, 3,
};
static const u8 iwlagn_pan_ac_to_fifo[] = {
IWL_TX_FIFO_VO_IPAN,
IWL_TX_FIFO_VI_IPAN,
IWL_TX_FIFO_BE_IPAN,
IWL_TX_FIFO_BK_IPAN,
};
static const u8 iwlagn_pan_ac_to_queue[] = {
7, 6, 5, 4,
};
/*
* ucode
*/
@ -1028,19 +966,8 @@ static int iwl_trans_pcie_start_fw(struct iwl_trans *trans,
const struct fw_img *fw)
{
int ret;
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
bool hw_rfkill;
trans_pcie->ac_to_queue[IWL_RXON_CTX_BSS] = iwlagn_bss_ac_to_queue;
trans_pcie->ac_to_queue[IWL_RXON_CTX_PAN] = iwlagn_pan_ac_to_queue;
trans_pcie->ac_to_fifo[IWL_RXON_CTX_BSS] = iwlagn_bss_ac_to_fifo;
trans_pcie->ac_to_fifo[IWL_RXON_CTX_PAN] = iwlagn_pan_ac_to_fifo;
trans_pcie->mcast_queue[IWL_RXON_CTX_BSS] = 0;
trans_pcie->mcast_queue[IWL_RXON_CTX_PAN] = IWL_IPAN_MCAST_QUEUE;
/* This may fail if AMT took ownership of the device */
if (iwl_prepare_card_hw(trans)) {
IWL_WARN(trans, "Exit HW not ready\n");
@ -1098,9 +1025,7 @@ static void iwl_trans_txq_set_sched(struct iwl_trans *trans, u32 mask)
static void iwl_tx_start(struct iwl_trans *trans)
{
const struct queue_to_fifo_ac *queue_to_fifo;
struct iwl_trans_pcie *trans_pcie =
IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
u32 a;
unsigned long flags;
int i, chan;
@ -1166,41 +1091,19 @@ static void iwl_tx_start(struct iwl_trans *trans)
/* Activate all Tx DMA/FIFO channels */
iwl_trans_txq_set_sched(trans, IWL_MASK(0, 7));
/* map queues to FIFOs */
if (trans->shrd->valid_contexts != BIT(IWL_RXON_CTX_BSS))
queue_to_fifo = iwlagn_ipan_queue_to_tx_fifo;
else
queue_to_fifo = iwlagn_default_queue_to_tx_fifo;
iwl_trans_set_wr_ptrs(trans, trans_pcie->cmd_queue, 0);
/* make sure all queue are not stopped */
memset(&trans_pcie->queue_stopped[0], 0,
sizeof(trans_pcie->queue_stopped));
for (i = 0; i < 4; i++)
atomic_set(&trans_pcie->queue_stop_count[i], 0);
/* make sure all queue are not stopped/used */
memset(trans_pcie->queue_stopped, 0, sizeof(trans_pcie->queue_stopped));
memset(trans_pcie->queue_used, 0, sizeof(trans_pcie->queue_used));
/* reset to 0 to enable all the queue first */
trans_pcie->txq_ctx_active_msk = 0;
for (i = 0; i < trans_pcie->n_q_to_fifo; i++) {
int fifo = trans_pcie->setup_q_to_fifo[i];
BUILD_BUG_ON(ARRAY_SIZE(iwlagn_default_queue_to_tx_fifo) <
IWLAGN_FIRST_AMPDU_QUEUE);
BUILD_BUG_ON(ARRAY_SIZE(iwlagn_ipan_queue_to_tx_fifo) <
IWLAGN_FIRST_AMPDU_QUEUE);
set_bit(i, trans_pcie->queue_used);
for (i = 0; i < IWLAGN_FIRST_AMPDU_QUEUE; i++) {
int fifo = queue_to_fifo[i].fifo;
int ac = queue_to_fifo[i].ac;
iwl_txq_ctx_activate(trans_pcie, i);
if (fifo == IWL_TX_FIFO_UNUSED)
continue;
if (ac != IWL_AC_UNSET)
iwl_set_swq_id(&trans_pcie->txq[i], ac, i);
iwl_trans_tx_queue_set_status(trans, &trans_pcie->txq[i],
fifo, 0);
fifo, true);
}
spin_unlock_irqrestore(&trans_pcie->irq_lock, flags);
@ -1325,70 +1228,32 @@ static void iwl_trans_pcie_wowlan_suspend(struct iwl_trans *trans)
}
static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
struct iwl_device_cmd *dev_cmd, enum iwl_rxon_context_id ctx,
u8 sta_id, u8 tid)
struct iwl_device_cmd *dev_cmd, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct iwl_tx_cmd *tx_cmd = (struct iwl_tx_cmd *) dev_cmd->payload;
struct iwl_cmd_meta *out_meta;
struct iwl_tx_queue *txq;
struct iwl_queue *q;
dma_addr_t phys_addr = 0;
dma_addr_t txcmd_phys;
dma_addr_t scratch_phys;
u16 len, firstlen, secondlen;
u8 wait_write_ptr = 0;
u8 txq_id;
bool is_agg = false;
__le16 fc = hdr->frame_control;
u8 hdr_len = ieee80211_hdrlen(fc);
u16 __maybe_unused wifi_seq;
/*
* Send this frame after DTIM -- there's a special queue
* reserved for this for contexts that support AP mode.
*/
if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
txq_id = trans_pcie->mcast_queue[ctx];
/*
* The microcode will clear the more data
* bit in the last frame it transmits.
*/
hdr->frame_control |=
cpu_to_le16(IEEE80211_FCTL_MOREDATA);
} else if (info->flags & IEEE80211_TX_CTL_TX_OFFCHAN)
txq_id = IWL_AUX_QUEUE;
else
txq_id =
trans_pcie->ac_to_queue[ctx][skb_get_queue_mapping(skb)];
/* aggregation is on for this <sta,tid> */
if (info->flags & IEEE80211_TX_CTL_AMPDU) {
WARN_ON(tid >= IWL_MAX_TID_COUNT);
txq_id = trans_pcie->agg_txq[sta_id][tid];
is_agg = true;
}
txq = &trans_pcie->txq[txq_id];
q = &txq->q;
spin_lock(&txq->lock);
if (unlikely(!test_bit(txq_id, trans_pcie->queue_used))) {
WARN_ON_ONCE(1);
return -EINVAL;
}
/* In AGG mode, the index in the ring must correspond to the WiFi
* sequence number. This is a HW requirements to help the SCD to parse
* the BA.
* Check here that the packets are in the right place on the ring.
*/
#ifdef CONFIG_IWLWIFI_DEBUG
wifi_seq = SEQ_TO_SN(le16_to_cpu(hdr->seq_ctrl));
WARN_ONCE(is_agg && ((wifi_seq & 0xff) != q->write_ptr),
"Q: %d WiFi Seq %d tfdNum %d",
txq_id, wifi_seq, q->write_ptr);
#endif
spin_lock(&txq->lock);
/* Set up driver data for this TFD */
txq->skbs[q->write_ptr] = skb;
@ -1565,8 +1430,8 @@ static void iwl_trans_pcie_stop_hw(struct iwl_trans *trans)
iwl_enable_rfkill_int(trans);
}
static int iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid,
int txq_id, int ssn, struct sk_buff_head *skbs)
static void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
struct sk_buff_head *skbs)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_tx_queue *txq = &trans_pcie->txq[txq_id];
@ -1578,33 +1443,15 @@ static int iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid,
txq->time_stamp = jiffies;
if (unlikely(txq_id >= IWLAGN_FIRST_AMPDU_QUEUE &&
tid != IWL_TID_NON_QOS &&
txq_id != trans_pcie->agg_txq[sta_id][tid])) {
/*
* FIXME: this is a uCode bug which need to be addressed,
* log the information and return for now.
* Since it is can possibly happen very often and in order
* not to fill the syslog, don't use IWL_ERR or IWL_WARN
*/
IWL_DEBUG_TX_QUEUES(trans, "Bad queue mapping txq_id %d, "
"agg_txq[sta_id[tid] %d", txq_id,
trans_pcie->agg_txq[sta_id][tid]);
spin_unlock(&txq->lock);
return 1;
}
if (txq->q.read_ptr != tfd_num) {
IWL_DEBUG_TX_REPLY(trans, "[Q %d | AC %d] %d -> %d (%d)\n",
txq_id, iwl_get_queue_ac(txq), txq->q.read_ptr,
tfd_num, ssn);
IWL_DEBUG_TX_REPLY(trans, "[Q %d] %d -> %d (%d)\n",
txq_id, txq->q.read_ptr, tfd_num, ssn);
freed = iwl_tx_queue_reclaim(trans, txq_id, tfd_num, skbs);
if (iwl_queue_space(&txq->q) > txq->q.low_mark)
iwl_wake_queue(trans, txq);
}
spin_unlock(&txq->lock);
return 0;
}
static void iwl_trans_pcie_write8(struct iwl_trans *trans, u32 ofs, u8 val)
@ -1623,7 +1470,7 @@ static u32 iwl_trans_pcie_read32(struct iwl_trans *trans, u32 ofs)
}
static void iwl_trans_pcie_configure(struct iwl_trans *trans,
const struct iwl_trans_config *trans_cfg)
const struct iwl_trans_config *trans_cfg)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
@ -1635,6 +1482,17 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans,
if (trans_pcie->n_no_reclaim_cmds)
memcpy(trans_pcie->no_reclaim_cmds, trans_cfg->no_reclaim_cmds,
trans_pcie->n_no_reclaim_cmds * sizeof(u8));
trans_pcie->n_q_to_fifo = trans_cfg->n_queue_to_fifo;
if (WARN_ON(trans_pcie->n_q_to_fifo > IWL_MAX_HW_QUEUES))
trans_pcie->n_q_to_fifo = IWL_MAX_HW_QUEUES;
/* at least the command queue must be mapped */
WARN_ON(!trans_pcie->n_q_to_fifo);
memcpy(trans_pcie->setup_q_to_fifo, trans_cfg->queue_to_fifo,
trans_pcie->n_q_to_fifo * sizeof(u8));
}
static void iwl_trans_pcie_free(struct iwl_trans *trans)
@ -1660,6 +1518,16 @@ static void iwl_trans_pcie_free(struct iwl_trans *trans)
kfree(trans);
}
static void iwl_trans_pcie_set_pmi(struct iwl_trans *trans, bool state)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
if (state)
set_bit(STATUS_POWER_PMI, &trans_pcie->status);
else
clear_bit(STATUS_POWER_PMI, &trans_pcie->status);
}
#ifdef CONFIG_PM_SLEEP
static int iwl_trans_pcie_suspend(struct iwl_trans *trans)
{
@ -1952,18 +1820,10 @@ static ssize_t iwl_dbgfs_tx_queue_read(struct file *file,
txq = &trans_pcie->txq[cnt];
q = &txq->q;
pos += scnprintf(buf + pos, bufsz - pos,
"hwq %.2d: read=%u write=%u stop=%d"
" swq_id=%#.2x (ac %d/hwq %d)\n",
"hwq %.2d: read=%u write=%u use=%d stop=%d\n",
cnt, q->read_ptr, q->write_ptr,
!!test_bit(cnt, trans_pcie->queue_stopped),
txq->swq_id, txq->swq_id & 3,
(txq->swq_id >> 2) & 0x1f);
if (cnt >= 4)
continue;
/* for the ACs, display the stop count too */
pos += scnprintf(buf + pos, bufsz - pos,
" stop-count: %d\n",
atomic_read(&trans_pcie->queue_stop_count[cnt]));
!!test_bit(cnt, trans_pcie->queue_used),
!!test_bit(cnt, trans_pcie->queue_stopped));
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
@ -1997,44 +1857,6 @@ static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_log_event_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_trans *trans = file->private_data;
char *buf;
int pos = 0;
ssize_t ret = -ENOMEM;
ret = pos = iwl_dump_nic_event_log(trans, true, &buf, true);
if (buf) {
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
}
return ret;
}
static ssize_t iwl_dbgfs_log_event_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_trans *trans = file->private_data;
u32 event_log_flag;
char buf[8];
int buf_size;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%d", &event_log_flag) != 1)
return -EFAULT;
if (event_log_flag == 1)
iwl_dump_nic_event_log(trans, true, NULL, false);
return count;
}
static ssize_t iwl_dbgfs_interrupt_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos) {
@ -2161,7 +1983,6 @@ static ssize_t iwl_dbgfs_fh_reg_read(struct file *file,
return ret;
}
DEBUGFS_READ_WRITE_FILE_OPS(log_event);
DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
DEBUGFS_READ_FILE_OPS(fh_reg);
DEBUGFS_READ_FILE_OPS(rx_queue);
@ -2177,7 +1998,6 @@ static int iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans,
{
DEBUGFS_ADD_FILE(rx_queue, dir, S_IRUSR);
DEBUGFS_ADD_FILE(tx_queue, dir, S_IRUSR);
DEBUGFS_ADD_FILE(log_event, dir, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(interrupt, dir, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(csr, dir, S_IWUSR);
DEBUGFS_ADD_FILE(fh_reg, dir, S_IRUSR);
@ -2205,7 +2025,6 @@ const struct iwl_trans_ops trans_ops_pcie = {
.reclaim = iwl_trans_pcie_reclaim,
.tx_agg_disable = iwl_trans_pcie_tx_agg_disable,
.tx_agg_alloc = iwl_trans_pcie_tx_agg_alloc,
.tx_agg_setup = iwl_trans_pcie_tx_agg_setup,
.free = iwl_trans_pcie_free,
@ -2223,6 +2042,7 @@ const struct iwl_trans_ops trans_ops_pcie = {
.write32 = iwl_trans_pcie_write32,
.read32 = iwl_trans_pcie_read32,
.configure = iwl_trans_pcie_configure,
.set_pmi = iwl_trans_pcie_set_pmi,
};
struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd,

93
drivers/net/wireless/iwlwifi/iwl-trans.h
View File

@ -162,6 +162,8 @@ struct iwl_cmd_header {
#define FH_RSCSR_FRAME_SIZE_MSK 0x00003FFF /* bits 0-13 */
#define FH_RSCSR_FRAME_INVALID 0x55550000
#define FH_RSCSR_FRAME_ALIGN 0x40
struct iwl_rx_packet {
/*
@ -260,27 +262,42 @@ static inline void iwl_free_resp(struct iwl_host_cmd *cmd)
struct iwl_rx_cmd_buffer {
struct page *_page;
int _offset;
bool _page_stolen;
};
static inline void *rxb_addr(struct iwl_rx_cmd_buffer *r)
{
return page_address(r->_page);
return (void *)((unsigned long)page_address(r->_page) + r->_offset);
}
static inline int rxb_offset(struct iwl_rx_cmd_buffer *r)
{
return r->_offset;
}
static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r)
{
struct page *p = r->_page;
r->_page = NULL;
return p;
r->_page_stolen = true;
get_page(r->_page);
return r->_page;
}
#define MAX_NO_RECLAIM_CMDS 6
/*
* Maximum number of HW queues the transport layer
* currently supports
*/
#define IWL_MAX_HW_QUEUES 32
/**
* struct iwl_trans_config - transport configuration
*
* @op_mode: pointer to the upper layer.
* Must be set before any other call.
* @queue_to_fifo: queue to FIFO mapping to set up by
* default
* @n_queue_to_fifo: number of queues to set up
* @cmd_queue: the index of the command queue.
* Must be set before start_fw.
* @no_reclaim_cmds: Some devices erroneously don't set the
@ -291,6 +308,9 @@ static inline struct page *rxb_steal_page(struct iwl_rx_cmd_buffer *r)
*/
struct iwl_trans_config {
struct iwl_op_mode *op_mode;
const u8 *queue_to_fifo;
u8 n_queue_to_fifo;
u8 cmd_queue;
const u8 *no_reclaim_cmds;
int n_no_reclaim_cmds;
@ -322,8 +342,6 @@ struct iwl_trans_config {
* Must be atomic
* @reclaim: free packet until ssn. Returns a list of freed packets.
* Must be atomic
* @tx_agg_alloc: allocate resources for a TX BA session
* Must be atomic
* @tx_agg_setup: setup a tx queue for AMPDU - will be called once the HW is
* ready and a successful ADDBA response has been received.
* May sleep
@ -346,6 +364,7 @@ struct iwl_trans_config {
* @configure: configure parameters required by the transport layer from
* the op_mode. May be called several times before start_fw, can't be
* called after that.
* @set_pmi: set the power pmi state
*/
struct iwl_trans_ops {
@ -360,18 +379,13 @@ struct iwl_trans_ops {
int (*send_cmd)(struct iwl_trans *trans, struct iwl_host_cmd *cmd);
int (*tx)(struct iwl_trans *trans, struct sk_buff *skb,
struct iwl_device_cmd *dev_cmd, enum iwl_rxon_context_id ctx,
u8 sta_id, u8 tid);
int (*reclaim)(struct iwl_trans *trans, int sta_id, int tid,
int txq_id, int ssn, struct sk_buff_head *skbs);
struct iwl_device_cmd *dev_cmd, int queue);
void (*reclaim)(struct iwl_trans *trans, int queue, int ssn,
struct sk_buff_head *skbs);
int (*tx_agg_disable)(struct iwl_trans *trans,
int sta_id, int tid);
int (*tx_agg_alloc)(struct iwl_trans *trans,
int sta_id, int tid);
void (*tx_agg_setup)(struct iwl_trans *trans,
enum iwl_rxon_context_id ctx, int sta_id, int tid,
int frame_limit, u16 ssn);
void (*tx_agg_setup)(struct iwl_trans *trans, int queue, int fifo,
int sta_id, int tid, int frame_limit, u16 ssn);
void (*tx_agg_disable)(struct iwl_trans *trans, int queue);
void (*free)(struct iwl_trans *trans);
@ -387,6 +401,7 @@ struct iwl_trans_ops {
u32 (*read32)(struct iwl_trans *trans, u32 ofs);
void (*configure)(struct iwl_trans *trans,
const struct iwl_trans_config *trans_cfg);
void (*set_pmi)(struct iwl_trans *trans, bool state);
};
/**
@ -507,55 +522,42 @@ static inline int iwl_trans_send_cmd(struct iwl_trans *trans,
}
static inline int iwl_trans_tx(struct iwl_trans *trans, struct sk_buff *skb,
struct iwl_device_cmd *dev_cmd, enum iwl_rxon_context_id ctx,
u8 sta_id, u8 tid)
{
if (trans->state != IWL_TRANS_FW_ALIVE)
IWL_ERR(trans, "%s bad state = %d", __func__, trans->state);
return trans->ops->tx(trans, skb, dev_cmd, ctx, sta_id, tid);
}
static inline int iwl_trans_reclaim(struct iwl_trans *trans, int sta_id,
int tid, int txq_id, int ssn,
struct sk_buff_head *skbs)
struct iwl_device_cmd *dev_cmd, int queue)
{
WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE,
"%s bad state = %d", __func__, trans->state);
return trans->ops->reclaim(trans, sta_id, tid, txq_id, ssn, skbs);
return trans->ops->tx(trans, skb, dev_cmd, queue);
}
static inline int iwl_trans_tx_agg_disable(struct iwl_trans *trans,
int sta_id, int tid)
static inline void iwl_trans_reclaim(struct iwl_trans *trans, int queue,
int ssn, struct sk_buff_head *skbs)
{
WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE,
"%s bad state = %d", __func__, trans->state);
return trans->ops->tx_agg_disable(trans, sta_id, tid);
trans->ops->reclaim(trans, queue, ssn, skbs);
}
static inline int iwl_trans_tx_agg_alloc(struct iwl_trans *trans,
int sta_id, int tid)
static inline void iwl_trans_tx_agg_disable(struct iwl_trans *trans, int queue)
{
WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE,
"%s bad state = %d", __func__, trans->state);
return trans->ops->tx_agg_alloc(trans, sta_id, tid);
trans->ops->tx_agg_disable(trans, queue);
}
static inline void iwl_trans_tx_agg_setup(struct iwl_trans *trans,
enum iwl_rxon_context_id ctx,
int sta_id, int tid,
int frame_limit, u16 ssn)
static inline void iwl_trans_tx_agg_setup(struct iwl_trans *trans, int queue,
int fifo, int sta_id, int tid,
int frame_limit, u16 ssn)
{
might_sleep();
WARN_ONCE(trans->state != IWL_TRANS_FW_ALIVE,
"%s bad state = %d", __func__, trans->state);
trans->ops->tx_agg_setup(trans, ctx, sta_id, tid, frame_limit, ssn);
trans->ops->tx_agg_setup(trans, queue, fifo, sta_id, tid,
frame_limit, ssn);
}
static inline void iwl_trans_free(struct iwl_trans *trans)
@ -611,6 +613,11 @@ static inline u32 iwl_trans_read32(struct iwl_trans *trans, u32 ofs)
return trans->ops->read32(trans, ofs);
}
static inline void iwl_trans_set_pmi(struct iwl_trans *trans, bool state)
{
trans->ops->set_pmi(trans, state);
}
/*****************************************************
* Transport layers implementations + their allocation function
******************************************************/

133
drivers/net/wireless/iwlwifi/iwl-ucode.c
View File

@ -40,37 +40,6 @@
#include "iwl-fh.h"
#include "iwl-op-mode.h"
static struct iwl_wimax_coex_event_entry cu_priorities[COEX_NUM_OF_EVENTS] = {
{COEX_CU_UNASSOC_IDLE_RP, COEX_CU_UNASSOC_IDLE_WP,
0, COEX_UNASSOC_IDLE_FLAGS},
{COEX_CU_UNASSOC_MANUAL_SCAN_RP, COEX_CU_UNASSOC_MANUAL_SCAN_WP,
0, COEX_UNASSOC_MANUAL_SCAN_FLAGS},
{COEX_CU_UNASSOC_AUTO_SCAN_RP, COEX_CU_UNASSOC_AUTO_SCAN_WP,
0, COEX_UNASSOC_AUTO_SCAN_FLAGS},
{COEX_CU_CALIBRATION_RP, COEX_CU_CALIBRATION_WP,
0, COEX_CALIBRATION_FLAGS},
{COEX_CU_PERIODIC_CALIBRATION_RP, COEX_CU_PERIODIC_CALIBRATION_WP,
0, COEX_PERIODIC_CALIBRATION_FLAGS},
{COEX_CU_CONNECTION_ESTAB_RP, COEX_CU_CONNECTION_ESTAB_WP,
0, COEX_CONNECTION_ESTAB_FLAGS},
{COEX_CU_ASSOCIATED_IDLE_RP, COEX_CU_ASSOCIATED_IDLE_WP,
0, COEX_ASSOCIATED_IDLE_FLAGS},
{COEX_CU_ASSOC_MANUAL_SCAN_RP, COEX_CU_ASSOC_MANUAL_SCAN_WP,
0, COEX_ASSOC_MANUAL_SCAN_FLAGS},
{COEX_CU_ASSOC_AUTO_SCAN_RP, COEX_CU_ASSOC_AUTO_SCAN_WP,
0, COEX_ASSOC_AUTO_SCAN_FLAGS},
{COEX_CU_ASSOC_ACTIVE_LEVEL_RP, COEX_CU_ASSOC_ACTIVE_LEVEL_WP,
0, COEX_ASSOC_ACTIVE_LEVEL_FLAGS},
{COEX_CU_RF_ON_RP, COEX_CU_RF_ON_WP, 0, COEX_CU_RF_ON_FLAGS},
{COEX_CU_RF_OFF_RP, COEX_CU_RF_OFF_WP, 0, COEX_RF_OFF_FLAGS},
{COEX_CU_STAND_ALONE_DEBUG_RP, COEX_CU_STAND_ALONE_DEBUG_WP,
0, COEX_STAND_ALONE_DEBUG_FLAGS},
{COEX_CU_IPAN_ASSOC_LEVEL_RP, COEX_CU_IPAN_ASSOC_LEVEL_WP,
0, COEX_IPAN_ASSOC_LEVEL_FLAGS},
{COEX_CU_RSRVD1_RP, COEX_CU_RSRVD1_WP, 0, COEX_RSRVD1_FLAGS},
{COEX_CU_RSRVD2_RP, COEX_CU_RSRVD2_WP, 0, COEX_RSRVD2_FLAGS}
};
/******************************************************************************
*
* uCode download functions
@ -174,24 +143,6 @@ static int iwl_send_calib_cfg(struct iwl_priv *priv)
return iwl_dvm_send_cmd(priv, &cmd);
}
int iwlagn_rx_calib_result(struct iwl_priv *priv,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_calib_hdr *hdr = (struct iwl_calib_hdr *)pkt->data;
int len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
/* reduce the size of the length field itself */
len -= 4;
if (iwl_calib_set(priv, hdr, len))
IWL_ERR(priv, "Failed to record calibration data %d\n",
hdr->op_code);
return 0;
}
int iwl_init_alive_start(struct iwl_priv *priv)
{
int ret;
@ -233,25 +184,9 @@ static int iwl_send_wimax_coex(struct iwl_priv *priv)
{
struct iwl_wimax_coex_cmd coex_cmd;
if (cfg(priv)->base_params->support_wimax_coexist) {
/* UnMask wake up src at associated sleep */
coex_cmd.flags = COEX_FLAGS_ASSOC_WA_UNMASK_MSK;
/* coexistence is disabled */
memset(&coex_cmd, 0, sizeof(coex_cmd));
/* UnMask wake up src at unassociated sleep */
coex_cmd.flags |= COEX_FLAGS_UNASSOC_WA_UNMASK_MSK;
memcpy(coex_cmd.sta_prio, cu_priorities,
sizeof(struct iwl_wimax_coex_event_entry) *
COEX_NUM_OF_EVENTS);
/* enabling the coexistence feature */
coex_cmd.flags |= COEX_FLAGS_COEX_ENABLE_MSK;
/* enabling the priorities tables */
coex_cmd.flags |= COEX_FLAGS_STA_TABLE_VALID_MSK;
} else {
/* coexistence is disabled */
memset(&coex_cmd, 0, sizeof(coex_cmd));
}
return iwl_dvm_send_cmd_pdu(priv,
COEX_PRIORITY_TABLE_CMD, CMD_SYNC,
sizeof(coex_cmd), &coex_cmd);
@ -417,9 +352,8 @@ struct iwl_alive_data {
u8 subtype;
};
static void iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
struct iwl_rx_packet *pkt,
void *data)
static bool iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
struct iwl_rx_packet *pkt, void *data)
{
struct iwl_priv *priv =
container_of(notif_wait, struct iwl_priv, notif_wait);
@ -433,13 +367,15 @@ static void iwl_alive_fn(struct iwl_notif_wait_data *notif_wait,
palive->is_valid, palive->ver_type,
palive->ver_subtype);
priv->shrd->device_pointers.error_event_table =
priv->device_pointers.error_event_table =
le32_to_cpu(palive->error_event_table_ptr);
priv->shrd->device_pointers.log_event_table =
priv->device_pointers.log_event_table =
le32_to_cpu(palive->log_event_table_ptr);
alive_data->subtype = palive->ver_subtype;
alive_data->valid = palive->is_valid == UCODE_VALID_OK;
return true;
}
#define UCODE_ALIVE_TIMEOUT HZ
@ -453,9 +389,10 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
const struct fw_img *fw;
int ret;
enum iwl_ucode_type old_type;
static const u8 alive_cmd[] = { REPLY_ALIVE };
old_type = priv->shrd->ucode_type;
priv->shrd->ucode_type = ucode_type;
old_type = priv->cur_ucode;
priv->cur_ucode = ucode_type;
fw = iwl_get_ucode_image(priv, ucode_type);
priv->ucode_loaded = false;
@ -463,12 +400,13 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
if (!fw)
return -EINVAL;
iwl_init_notification_wait(&priv->notif_wait, &alive_wait, REPLY_ALIVE,
iwl_alive_fn, &alive_data);
iwl_init_notification_wait(&priv->notif_wait, &alive_wait,
alive_cmd, ARRAY_SIZE(alive_cmd),
iwl_alive_fn, &alive_data);
ret = iwl_trans_start_fw(trans(priv), fw);
if (ret) {
priv->shrd->ucode_type = old_type;
priv->cur_ucode = old_type;
iwl_remove_notification(&priv->notif_wait, &alive_wait);
return ret;
}
@ -480,13 +418,13 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
ret = iwl_wait_notification(&priv->notif_wait, &alive_wait,
UCODE_ALIVE_TIMEOUT);
if (ret) {
priv->shrd->ucode_type = old_type;
priv->cur_ucode = old_type;
return ret;
}
if (!alive_data.valid) {
IWL_ERR(priv, "Loaded ucode is not valid!\n");
priv->shrd->ucode_type = old_type;
priv->cur_ucode = old_type;
return -EIO;
}
@ -498,7 +436,7 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
if (ucode_type != IWL_UCODE_WOWLAN) {
ret = iwl_verify_ucode(priv, ucode_type);
if (ret) {
priv->shrd->ucode_type = old_type;
priv->cur_ucode = old_type;
return ret;
}
@ -510,7 +448,7 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
if (ret) {
IWL_WARN(priv,
"Could not complete ALIVE transition: %d\n", ret);
priv->shrd->ucode_type = old_type;
priv->cur_ucode = old_type;
return ret;
}
@ -519,9 +457,38 @@ int iwl_load_ucode_wait_alive(struct iwl_priv *priv,
return 0;
}
static bool iwlagn_wait_calib(struct iwl_notif_wait_data *notif_wait,
struct iwl_rx_packet *pkt, void *data)
{
struct iwl_priv *priv = data;
struct iwl_calib_hdr *hdr;
int len;
if (pkt->hdr.cmd != CALIBRATION_RES_NOTIFICATION) {
WARN_ON(pkt->hdr.cmd != CALIBRATION_COMPLETE_NOTIFICATION);
return true;
}
hdr = (struct iwl_calib_hdr *)pkt->data;
len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
/* reduce the size by the length field itself */
len -= sizeof(__le32);
if (iwl_calib_set(priv, hdr, len))
IWL_ERR(priv, "Failed to record calibration data %d\n",
hdr->op_code);
return false;
}
int iwl_run_init_ucode(struct iwl_priv *priv)
{
struct iwl_notification_wait calib_wait;
static const u8 calib_complete[] = {
CALIBRATION_RES_NOTIFICATION,
CALIBRATION_COMPLETE_NOTIFICATION
};
int ret;
lockdep_assert_held(&priv->mutex);
@ -534,8 +501,8 @@ int iwl_run_init_ucode(struct iwl_priv *priv)
return 0;
iwl_init_notification_wait(&priv->notif_wait, &calib_wait,
CALIBRATION_COMPLETE_NOTIFICATION,
NULL, NULL);
calib_complete, ARRAY_SIZE(calib_complete),
iwlagn_wait_calib, priv);
/* Will also start the device */
ret = iwl_load_ucode_wait_alive(priv, IWL_UCODE_INIT);

32
drivers/net/wireless/mac80211_hwsim.c
View File

@ -637,6 +637,7 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_rx_status rx_status;
struct ieee80211_rate *txrate = ieee80211_get_tx_rate(hw, info);
if (data->idle) {
wiphy_debug(hw->wiphy, "Trying to TX when idle - reject\n");
@ -671,6 +672,7 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
spin_lock(&hwsim_radio_lock);
list_for_each_entry(data2, &hwsim_radios, list) {
struct sk_buff *nskb;
struct ieee80211_mgmt *mgmt;
if (data == data2)
continue;
@ -688,8 +690,17 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
if (mac80211_hwsim_addr_match(data2, hdr->addr1))
ack = true;
/* set bcn timestamp relative to receiver mactime */
rx_status.mactime =
le64_to_cpu(__mac80211_hwsim_get_tsf(data2));
le64_to_cpu(__mac80211_hwsim_get_tsf(data2));
mgmt = (struct ieee80211_mgmt *) nskb->data;
if (ieee80211_is_beacon(mgmt->frame_control) ||
ieee80211_is_probe_resp(mgmt->frame_control))
mgmt->u.beacon.timestamp = cpu_to_le64(
rx_status.mactime +
24 * 8 * 10 / txrate->bitrate);
memcpy(IEEE80211_SKB_RXCB(nskb), &rx_status, sizeof(rx_status));
ieee80211_rx_irqsafe(data2->hw, nskb);
}
@ -703,12 +714,6 @@ static void mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
bool ack;
struct ieee80211_tx_info *txi;
u32 _pid;
struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) skb->data;
struct mac80211_hwsim_data *data = hw->priv;
if (ieee80211_is_beacon(mgmt->frame_control) ||
ieee80211_is_probe_resp(mgmt->frame_control))
mgmt->u.beacon.timestamp = __mac80211_hwsim_get_tsf(data);
mac80211_hwsim_monitor_rx(hw, skb);
@ -805,11 +810,9 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac,
struct ieee80211_vif *vif)
{
struct ieee80211_hw *hw = arg;
struct mac80211_hwsim_data *data = hw->priv;
struct sk_buff *skb;
struct ieee80211_tx_info *info;
u32 _pid;
struct ieee80211_mgmt *mgmt;
hwsim_check_magic(vif);
@ -823,9 +826,6 @@ static void mac80211_hwsim_beacon_tx(void *arg, u8 *mac,
return;
info = IEEE80211_SKB_CB(skb);
mgmt = (struct ieee80211_mgmt *) skb->data;
mgmt->u.beacon.timestamp = __mac80211_hwsim_get_tsf(data);
mac80211_hwsim_monitor_rx(hw, skb);
/* wmediumd mode check */
@ -1450,7 +1450,7 @@ DEFINE_SIMPLE_ATTRIBUTE(hwsim_fops_group,
hwsim_fops_group_read, hwsim_fops_group_write,
"%llx\n");
struct mac80211_hwsim_data *get_hwsim_data_ref_from_addr(
static struct mac80211_hwsim_data *get_hwsim_data_ref_from_addr(
struct mac_address *addr)
{
struct mac80211_hwsim_data *data;
@ -1795,9 +1795,11 @@ static int __init init_mac80211_hwsim(void)
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_STATIC_SMPS |
IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS |
IEEE80211_HW_AMPDU_AGGREGATION;
IEEE80211_HW_AMPDU_AGGREGATION |
IEEE80211_HW_WANT_MONITOR_VIF;
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS;
hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
/* ask mac80211 to reserve space for magic */
hw->vif_data_size = sizeof(struct hwsim_vif_priv);

17
drivers/net/wireless/mwifiex/11n.c
View File

@ -350,25 +350,26 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
ret_len += sizeof(struct mwifiex_ie_types_htcap);
}
if (bss_desc->bcn_ht_info) {
if (bss_desc->bcn_ht_oper) {
if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
ht_info = (struct mwifiex_ie_types_htinfo *) *buffer;
memset(ht_info, 0,
sizeof(struct mwifiex_ie_types_htinfo));
ht_info->header.type =
cpu_to_le16(WLAN_EID_HT_INFORMATION);
cpu_to_le16(WLAN_EID_HT_OPERATION);
ht_info->header.len =
cpu_to_le16(sizeof(struct ieee80211_ht_info));
cpu_to_le16(
sizeof(struct ieee80211_ht_operation));
memcpy((u8 *) ht_info +
sizeof(struct mwifiex_ie_types_header),
(u8 *) bss_desc->bcn_ht_info +
(u8 *) bss_desc->bcn_ht_oper +
sizeof(struct ieee_types_header),
le16_to_cpu(ht_info->header.len));
if (!(sband->ht_cap.cap &
IEEE80211_HT_CAP_SUP_WIDTH_20_40))
ht_info->ht_info.ht_param &=
ht_info->ht_oper.ht_param &=
~(IEEE80211_HT_PARAM_CHAN_WIDTH_ANY |
IEEE80211_HT_PARAM_CHA_SEC_OFFSET);
@ -385,16 +386,16 @@ mwifiex_cmd_append_11n_tlv(struct mwifiex_private *priv,
sizeof(struct mwifiex_ie_types_chan_list_param_set) -
sizeof(struct mwifiex_ie_types_header));
chan_list->chan_scan_param[0].chan_number =
bss_desc->bcn_ht_info->control_chan;
bss_desc->bcn_ht_oper->primary_chan;
chan_list->chan_scan_param[0].radio_type =
mwifiex_band_to_radio_type((u8) bss_desc->bss_band);
if (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40 &&
bss_desc->bcn_ht_info->ht_param &
bss_desc->bcn_ht_oper->ht_param &
IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)
SET_SECONDARYCHAN(chan_list->chan_scan_param[0].
radio_type,
(bss_desc->bcn_ht_info->ht_param &
(bss_desc->bcn_ht_oper->ht_param &
IEEE80211_HT_PARAM_CHA_SEC_OFFSET));
*buffer += sizeof(struct mwifiex_ie_types_chan_list_param_set);

81
drivers/net/wireless/mwifiex/cfg80211.c
View File

@ -516,25 +516,23 @@ static int
mwifiex_dump_station_info(struct mwifiex_private *priv,
struct station_info *sinfo)
{
struct mwifiex_ds_get_signal signal;
struct mwifiex_rate_cfg rate;
int ret = 0;
sinfo->filled = STATION_INFO_RX_BYTES | STATION_INFO_TX_BYTES |
STATION_INFO_RX_PACKETS |
STATION_INFO_TX_PACKETS
| STATION_INFO_SIGNAL | STATION_INFO_TX_BITRATE;
STATION_INFO_RX_PACKETS | STATION_INFO_TX_PACKETS |
STATION_INFO_TX_BITRATE |
STATION_INFO_SIGNAL | STATION_INFO_SIGNAL_AVG;
/* Get signal information from the firmware */
memset(&signal, 0, sizeof(struct mwifiex_ds_get_signal));
if (mwifiex_get_signal_info(priv, &signal)) {
dev_err(priv->adapter->dev, "getting signal information\n");
ret = -EFAULT;
if (mwifiex_send_cmd_sync(priv, HostCmd_CMD_RSSI_INFO,
HostCmd_ACT_GEN_GET, 0, NULL)) {
dev_err(priv->adapter->dev, "failed to get signal information\n");
return -EFAULT;
}
if (mwifiex_drv_get_data_rate(priv, &rate)) {
dev_err(priv->adapter->dev, "getting data rate\n");
ret = -EFAULT;
return -EFAULT;
}
/* Get DTIM period information from firmware */
@ -557,11 +555,12 @@ mwifiex_dump_station_info(struct mwifiex_private *priv,
sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
}
sinfo->signal_avg = priv->bcn_rssi_avg;
sinfo->rx_bytes = priv->stats.rx_bytes;
sinfo->tx_bytes = priv->stats.tx_bytes;
sinfo->rx_packets = priv->stats.rx_packets;
sinfo->tx_packets = priv->stats.tx_packets;
sinfo->signal = priv->qual_level;
sinfo->signal = priv->bcn_rssi_avg;
/* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
sinfo->txrate.legacy = rate.rate * 5;
@ -581,7 +580,7 @@ mwifiex_dump_station_info(struct mwifiex_private *priv,
priv->curr_bss_params.bss_descriptor.beacon_period;
}
return ret;
return 0;
}
/*
@ -604,6 +603,23 @@ mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev,
return mwifiex_dump_station_info(priv, sinfo);
}
/*
* CFG802.11 operation handler to dump station information.
*/
static int
mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
int idx, u8 *mac, struct station_info *sinfo)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
if (!priv->media_connected || idx)
return -ENOENT;
memcpy(mac, priv->cfg_bssid, ETH_ALEN);
return mwifiex_dump_station_info(priv, sinfo);
}
/* Supported rates to be advertised to the cfg80211 */
static struct ieee80211_rate mwifiex_rates[] = {
@ -749,6 +765,45 @@ static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy,
return 0;
}
/*
* CFG802.11 operation handler for connection quality monitoring.
*
* This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI
* events to FW.
*/
static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy,
struct net_device *dev,
s32 rssi_thold, u32 rssi_hyst)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev);
struct mwifiex_ds_misc_subsc_evt subsc_evt;
priv->cqm_rssi_thold = rssi_thold;
priv->cqm_rssi_hyst = rssi_hyst;
memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt));
subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH;
/* Subscribe/unsubscribe low and high rssi events */
if (rssi_thold && rssi_hyst) {
subsc_evt.action = HostCmd_ACT_BITWISE_SET;
subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold);
subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold);
subsc_evt.bcn_l_rssi_cfg.evt_freq = 1;
subsc_evt.bcn_h_rssi_cfg.evt_freq = 1;
return mwifiex_send_cmd_sync(priv,
HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
0, 0, &subsc_evt);
} else {
subsc_evt.action = HostCmd_ACT_BITWISE_CLR;
return mwifiex_send_cmd_sync(priv,
HostCmd_CMD_802_11_SUBSCRIBE_EVENT,
0, 0, &subsc_evt);
}
return 0;
}
/*
* CFG802.11 operation handler for disconnection request.
*
@ -1340,6 +1395,7 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = {
.connect = mwifiex_cfg80211_connect,
.disconnect = mwifiex_cfg80211_disconnect,
.get_station = mwifiex_cfg80211_get_station,
.dump_station = mwifiex_cfg80211_dump_station,
.set_wiphy_params = mwifiex_cfg80211_set_wiphy_params,
.set_channel = mwifiex_cfg80211_set_channel,
.join_ibss = mwifiex_cfg80211_join_ibss,
@ -1350,6 +1406,7 @@ static struct cfg80211_ops mwifiex_cfg80211_ops = {
.set_power_mgmt = mwifiex_cfg80211_set_power_mgmt,
.set_tx_power = mwifiex_cfg80211_set_tx_power,
.set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask,
.set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config,
};
/*

23
drivers/net/wireless/mwifiex/fw.h
View File

@ -92,10 +92,12 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define TLV_TYPE_KEY_MATERIAL (PROPRIETARY_TLV_BASE_ID + 0)
#define TLV_TYPE_CHANLIST (PROPRIETARY_TLV_BASE_ID + 1)
#define TLV_TYPE_NUMPROBES (PROPRIETARY_TLV_BASE_ID + 2)
#define TLV_TYPE_RSSI_LOW (PROPRIETARY_TLV_BASE_ID + 4)
#define TLV_TYPE_PASSTHROUGH (PROPRIETARY_TLV_BASE_ID + 10)
#define TLV_TYPE_WMMQSTATUS (PROPRIETARY_TLV_BASE_ID + 16)
#define TLV_TYPE_WILDCARDSSID (PROPRIETARY_TLV_BASE_ID + 18)
#define TLV_TYPE_TSFTIMESTAMP (PROPRIETARY_TLV_BASE_ID + 19)
#define TLV_TYPE_RSSI_HIGH (PROPRIETARY_TLV_BASE_ID + 22)
#define TLV_TYPE_AUTH_TYPE (PROPRIETARY_TLV_BASE_ID + 31)
#define TLV_TYPE_CHANNELBANDLIST (PROPRIETARY_TLV_BASE_ID + 42)
#define TLV_TYPE_RATE_DROP_CONTROL (PROPRIETARY_TLV_BASE_ID + 82)
@ -194,6 +196,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER {
#define HostCmd_CMD_802_11_KEY_MATERIAL 0x005e
#define HostCmd_CMD_802_11_BG_SCAN_QUERY 0x006c
#define HostCmd_CMD_WMM_GET_STATUS 0x0071
#define HostCmd_CMD_802_11_SUBSCRIBE_EVENT 0x0075
#define HostCmd_CMD_802_11_TX_RATE_QUERY 0x007f
#define HostCmd_CMD_802_11_IBSS_COALESCING_STATUS 0x0083
#define HostCmd_CMD_VERSION_EXT 0x0097
@ -228,6 +231,8 @@ enum ENH_PS_MODES {
#define HostCmd_RET_BIT 0x8000
#define HostCmd_ACT_GEN_GET 0x0000
#define HostCmd_ACT_GEN_SET 0x0001
#define HostCmd_ACT_BITWISE_SET 0x0002
#define HostCmd_ACT_BITWISE_CLR 0x0003
#define HostCmd_RESULT_OK 0x0000
#define HostCmd_ACT_MAC_RX_ON 0x0001
@ -1007,7 +1012,7 @@ struct ieee_types_wmm_parameter {
struct ieee_types_vendor_header vend_hdr;
u8 qos_info_bitmap;
u8 reserved;
struct ieee_types_wmm_ac_parameters ac_params[IEEE80211_MAX_QUEUES];
struct ieee_types_wmm_ac_parameters ac_params[IEEE80211_NUM_ACS];
} __packed;
struct ieee_types_wmm_info {
@ -1028,7 +1033,7 @@ struct ieee_types_wmm_info {
struct host_cmd_ds_wmm_get_status {
u8 queue_status_tlv[sizeof(struct mwifiex_ie_types_wmm_queue_status) *
IEEE80211_MAX_QUEUES];
IEEE80211_NUM_ACS];
u8 wmm_param_tlv[sizeof(struct ieee_types_wmm_parameter) + 2];
} __packed;
@ -1045,7 +1050,7 @@ struct mwifiex_ie_types_htcap {
struct mwifiex_ie_types_htinfo {
struct mwifiex_ie_types_header header;
struct ieee80211_ht_info ht_info;
struct ieee80211_ht_operation ht_oper;
} __packed;
struct mwifiex_ie_types_2040bssco {
@ -1146,6 +1151,17 @@ struct host_cmd_ds_pcie_details {
u32 sleep_cookie_addr_hi;
} __packed;
struct mwifiex_ie_types_rssi_threshold {
struct mwifiex_ie_types_header header;
u8 abs_value;
u8 evt_freq;
} __packed;
struct host_cmd_ds_802_11_subsc_evt {
__le16 action;
__le16 events;
} __packed;
struct host_cmd_ds_command {
__le16 command;
__le16 size;
@ -1195,6 +1211,7 @@ struct host_cmd_ds_command {
struct host_cmd_ds_set_bss_mode bss_mode;
struct host_cmd_ds_pcie_details pcie_host_spec;
struct host_cmd_ds_802_11_eeprom_access eeprom;
struct host_cmd_ds_802_11_subsc_evt subsc_evt;
} params;
} __packed;

49
drivers/net/wireless/mwifiex/ioctl.h
View File

@ -85,34 +85,6 @@ struct mwifiex_ds_get_stats {
u32 wep_icv_error[4];
};
#define BCN_RSSI_AVG_MASK 0x00000002
#define BCN_NF_AVG_MASK 0x00000200
#define ALL_RSSI_INFO_MASK 0x00000fff
struct mwifiex_ds_get_signal {
/*
* Bit0: Last Beacon RSSI, Bit1: Average Beacon RSSI,
* Bit2: Last Data RSSI, Bit3: Average Data RSSI,
* Bit4: Last Beacon SNR, Bit5: Average Beacon SNR,
* Bit6: Last Data SNR, Bit7: Average Data SNR,
* Bit8: Last Beacon NF, Bit9: Average Beacon NF,
* Bit10: Last Data NF, Bit11: Average Data NF
*/
u16 selector;
s16 bcn_rssi_last;
s16 bcn_rssi_avg;
s16 data_rssi_last;
s16 data_rssi_avg;
s16 bcn_snr_last;
s16 bcn_snr_avg;
s16 data_snr_last;
s16 data_snr_avg;
s16 bcn_nf_last;
s16 bcn_nf_avg;
s16 data_nf_last;
s16 data_nf_avg;
};
#define MWIFIEX_MAX_VER_STR_LEN 128
struct mwifiex_ver_ext {
@ -308,6 +280,27 @@ struct mwifiex_ds_misc_cmd {
u8 cmd[MWIFIEX_SIZE_OF_CMD_BUFFER];
};
#define BITMASK_BCN_RSSI_LOW BIT(0)
#define BITMASK_BCN_RSSI_HIGH BIT(4)
enum subsc_evt_rssi_state {
EVENT_HANDLED,
RSSI_LOW_RECVD,
RSSI_HIGH_RECVD
};
struct subsc_evt_cfg {
u8 abs_value;
u8 evt_freq;
};
struct mwifiex_ds_misc_subsc_evt {
u16 action;
u16 events;
struct subsc_evt_cfg bcn_l_rssi_cfg;
struct subsc_evt_cfg bcn_h_rssi_cfg;
};
#define MWIFIEX_MAX_VSIE_LEN (256)
#define MWIFIEX_MAX_VSIE_NUM (8)
#define MWIFIEX_VSIE_MASK_SCAN 0x01

14
drivers/net/wireless/mwifiex/join.c
View File

@ -932,20 +932,20 @@ mwifiex_cmd_802_11_ad_hoc_start(struct mwifiex_private *priv,
/* Fill HT INFORMATION */
ht_info = (struct mwifiex_ie_types_htinfo *) pos;
memset(ht_info, 0, sizeof(struct mwifiex_ie_types_htinfo));
ht_info->header.type = cpu_to_le16(WLAN_EID_HT_INFORMATION);
ht_info->header.type = cpu_to_le16(WLAN_EID_HT_OPERATION);
ht_info->header.len =
cpu_to_le16(sizeof(struct ieee80211_ht_info));
cpu_to_le16(sizeof(struct ieee80211_ht_operation));
ht_info->ht_info.control_chan =
ht_info->ht_oper.primary_chan =
(u8) priv->curr_bss_params.bss_descriptor.channel;
if (adapter->sec_chan_offset) {
ht_info->ht_info.ht_param = adapter->sec_chan_offset;
ht_info->ht_info.ht_param |=
ht_info->ht_oper.ht_param = adapter->sec_chan_offset;
ht_info->ht_oper.ht_param |=
IEEE80211_HT_PARAM_CHAN_WIDTH_ANY;
}
ht_info->ht_info.operation_mode =
ht_info->ht_oper.operation_mode =
cpu_to_le16(IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
ht_info->ht_info.basic_set[0] = 0xff;
ht_info->ht_oper.basic_set[0] = 0xff;
pos += sizeof(struct mwifiex_ie_types_htinfo);
cmd_append_size +=
sizeof(struct mwifiex_ie_types_htinfo);

14
drivers/net/wireless/mwifiex/main.h
View File

@ -201,10 +201,10 @@ struct mwifiex_wmm_desc {
u32 packets_out[MAX_NUM_TID];
/* spin lock to protect ra_list */
spinlock_t ra_list_spinlock;
struct mwifiex_wmm_ac_status ac_status[IEEE80211_MAX_QUEUES];
enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_MAX_QUEUES];
struct mwifiex_wmm_ac_status ac_status[IEEE80211_NUM_ACS];
enum mwifiex_wmm_ac_e ac_down_graded_vals[IEEE80211_NUM_ACS];
u32 drv_pkt_delay_max;
u8 queue_priority[IEEE80211_MAX_QUEUES];
u8 queue_priority[IEEE80211_NUM_ACS];
u32 user_pri_pkt_tx_ctrl[WMM_HIGHEST_PRIORITY + 1]; /* UP: 0 to 7 */
/* Number of transmit packets queued */
atomic_t tx_pkts_queued;
@ -269,7 +269,7 @@ struct mwifiex_bssdescriptor {
u8 disable_11n;
struct ieee80211_ht_cap *bcn_ht_cap;
u16 ht_cap_offset;
struct ieee80211_ht_info *bcn_ht_info;
struct ieee80211_ht_operation *bcn_ht_oper;
u16 ht_info_offset;
u8 *bcn_bss_co_2040;
u16 bss_co_2040_offset;
@ -448,7 +448,6 @@ struct mwifiex_private {
struct dentry *dfs_dev_dir;
#endif
u8 nick_name[16];
u8 qual_level, qual_noise;
u16 current_key_index;
struct semaphore async_sem;
u8 scan_pending_on_block;
@ -459,6 +458,9 @@ struct mwifiex_private {
u8 country_code[IEEE80211_COUNTRY_STRING_LEN];
struct wps wps;
u8 scan_block;
s32 cqm_rssi_thold;
u32 cqm_rssi_hyst;
u8 subsc_evt_rssi_state;
};
enum mwifiex_ba_status {
@ -896,8 +898,6 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type);
int mwifiex_enable_hs(struct mwifiex_adapter *adapter);
int mwifiex_disable_auto_ds(struct mwifiex_private *priv);
int mwifiex_get_signal_info(struct mwifiex_private *priv,
struct mwifiex_ds_get_signal *signal);
int mwifiex_drv_get_data_rate(struct mwifiex_private *priv,
struct mwifiex_rate_cfg *rate);
int mwifiex_request_scan(struct mwifiex_private *priv,

17
drivers/net/wireless/mwifiex/scan.c
View File

@ -1221,9 +1221,9 @@ mwifiex_update_bss_desc_with_ie(struct mwifiex_adapter *adapter,
sizeof(struct ieee_types_header) -
bss_entry->beacon_buf);
break;
case WLAN_EID_HT_INFORMATION:
bss_entry->bcn_ht_info = (struct ieee80211_ht_info *)
(current_ptr +
case WLAN_EID_HT_OPERATION:
bss_entry->bcn_ht_oper =
(struct ieee80211_ht_operation *)(current_ptr +
sizeof(struct ieee_types_header));
bss_entry->ht_info_offset = (u16) (current_ptr +
sizeof(struct ieee_types_header) -
@ -1493,7 +1493,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
priv->curr_bss_params.bss_descriptor.bcn_ht_cap = NULL;
priv->curr_bss_params.bss_descriptor.ht_cap_offset =
0;
priv->curr_bss_params.bss_descriptor.bcn_ht_info = NULL;
priv->curr_bss_params.bss_descriptor.bcn_ht_oper = NULL;
priv->curr_bss_params.bss_descriptor.ht_info_offset =
0;
priv->curr_bss_params.bss_descriptor.bcn_bss_co_2040 =
@ -1667,8 +1667,9 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
memcpy(bssid, bcn_param->bssid, ETH_ALEN);
rssi = (s32) (bcn_param->rssi);
dev_dbg(adapter->dev, "info: InterpretIE: RSSI=%02X\n", rssi);
rssi = (s32) bcn_param->rssi;
rssi = (-rssi) * 100; /* Convert dBm to mBm */
dev_dbg(adapter->dev, "info: InterpretIE: RSSI=%d\n", rssi);
beacon_period = le16_to_cpu(bcn_param->beacon_period);
@ -2019,8 +2020,8 @@ mwifiex_save_curr_bcn(struct mwifiex_private *priv)
(curr_bss->beacon_buf +
curr_bss->ht_cap_offset);
if (curr_bss->bcn_ht_info)
curr_bss->bcn_ht_info = (struct ieee80211_ht_info *)
if (curr_bss->bcn_ht_oper)
curr_bss->bcn_ht_oper = (struct ieee80211_ht_operation *)
(curr_bss->beacon_buf +
curr_bss->ht_info_offset);

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