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Merge branch 'wl12xx-next' into for-linville

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This commit is contained in:
Luciano Coelho 2013-03-25 17:06:37 +02:00
commit a373c3cec0
17 changed files with 332 additions and 132 deletions
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4
drivers/net/wireless/ti/wl1251/sdio.c
View File

@ -186,8 +186,10 @@ static int wl1251_sdio_set_power(struct wl1251 *wl, bool enable)
wl->set_power(true);
ret = pm_runtime_get_sync(&func->dev);
if (ret < 0)
if (ret < 0) {
pm_runtime_put_sync(&func->dev);
goto out;
}
sdio_claim_host(func);
sdio_enable_func(func);

1
drivers/net/wireless/ti/wl12xx/main.c
View File

@ -723,6 +723,7 @@ static int wl12xx_identify_chip(struct wl1271 *wl)
wl->sched_scan_templ_id_2_4 = CMD_TEMPL_CFG_PROBE_REQ_2_4;
wl->sched_scan_templ_id_5 = CMD_TEMPL_CFG_PROBE_REQ_5;
wl->max_channels_5 = WL12XX_MAX_CHANNELS_5GHZ;
wl->ba_rx_session_count_max = WL12XX_RX_BA_MAX_SESSIONS;
out:
return ret;
}

2
drivers/net/wireless/ti/wl12xx/wl12xx.h
View File

@ -63,6 +63,8 @@
#define WL12XX_NUM_MAC_ADDRESSES 2
#define WL12XX_RX_BA_MAX_SESSIONS 3
struct wl127x_rx_mem_pool_addr {
u32 addr;
u32 addr_extra;

25
drivers/net/wireless/ti/wl18xx/main.c
View File

@ -678,6 +678,7 @@ static int wl18xx_identify_chip(struct wl1271 *wl)
wl->sched_scan_templ_id_2_4 = CMD_TEMPL_PROBE_REQ_2_4_PERIODIC;
wl->sched_scan_templ_id_5 = CMD_TEMPL_PROBE_REQ_5_PERIODIC;
wl->max_channels_5 = WL18XX_MAX_CHANNELS_5GHZ;
wl->ba_rx_session_count_max = WL18XX_RX_BA_MAX_SESSIONS;
out:
return ret;
}
@ -1144,6 +1145,7 @@ static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl,
static int wl18xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
{
u32 fuse;
s8 rom = 0, metal = 0, pg_ver = 0, rdl_ver = 0;
int ret;
ret = wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
@ -1154,8 +1156,29 @@ static int wl18xx_get_pg_ver(struct wl1271 *wl, s8 *ver)
if (ret < 0)
goto out;
pg_ver = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET;
rom = (fuse & WL18XX_ROM_VER_MASK) >> WL18XX_ROM_VER_OFFSET;
if (rom <= 0xE)
metal = (fuse & WL18XX_METAL_VER_MASK) >>
WL18XX_METAL_VER_OFFSET;
else
metal = (fuse & WL18XX_NEW_METAL_VER_MASK) >>
WL18XX_NEW_METAL_VER_OFFSET;
ret = wlcore_read32(wl, WL18XX_REG_FUSE_DATA_2_3, &fuse);
if (ret < 0)
goto out;
rdl_ver = (fuse & WL18XX_RDL_VER_MASK) >> WL18XX_RDL_VER_OFFSET;
if (rdl_ver > RDL_MAX)
rdl_ver = RDL_NONE;
wl1271_info("wl18xx HW: RDL %d, %s, PG %x.%x (ROM %x)",
rdl_ver, rdl_names[rdl_ver], pg_ver, metal, rom);
if (ver)
*ver = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET;
*ver = pg_ver;
ret = wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);

29
drivers/net/wireless/ti/wl18xx/reg.h
View File

@ -131,6 +131,16 @@
#define WL18XX_REG_FUSE_DATA_1_3 0xA0260C
#define WL18XX_PG_VER_MASK 0x70
#define WL18XX_PG_VER_OFFSET 4
#define WL18XX_ROM_VER_MASK 0x3
#define WL18XX_ROM_VER_OFFSET 0
#define WL18XX_METAL_VER_MASK 0xC
#define WL18XX_METAL_VER_OFFSET 2
#define WL18XX_NEW_METAL_VER_MASK 0x180
#define WL18XX_NEW_METAL_VER_OFFSET 7
#define WL18XX_REG_FUSE_DATA_2_3 0xA02614
#define WL18XX_RDL_VER_MASK 0x1f00
#define WL18XX_RDL_VER_OFFSET 8
#define WL18XX_REG_FUSE_BD_ADDR_1 0xA02602
#define WL18XX_REG_FUSE_BD_ADDR_2 0xA02606
@ -188,4 +198,23 @@ enum {
NUM_BOARD_TYPES,
};
enum {
RDL_NONE = 0,
RDL_1_HP = 1,
RDL_2_SP = 2,
RDL_3_HP = 3,
RDL_4_SP = 4,
_RDL_LAST,
RDL_MAX = _RDL_LAST - 1,
};
static const char * const rdl_names[] = {
[RDL_NONE] = "",
[RDL_1_HP] = "1853 SISO",
[RDL_2_SP] = "1857 MIMO",
[RDL_3_HP] = "1893 SISO",
[RDL_4_SP] = "1897 MIMO",
};
#endif /* __REG_H__ */

4
drivers/net/wireless/ti/wl18xx/wl18xx.h
View File

@ -29,7 +29,7 @@
#define WL18XX_IFTYPE_VER 5
#define WL18XX_MAJOR_VER WLCORE_FW_VER_IGNORE
#define WL18XX_SUBTYPE_VER WLCORE_FW_VER_IGNORE
#define WL18XX_MINOR_VER 28
#define WL18XX_MINOR_VER 39
#define WL18XX_CMD_MAX_SIZE 740
@ -40,6 +40,8 @@
#define WL18XX_NUM_MAC_ADDRESSES 3
#define WL18XX_RX_BA_MAX_SESSIONS 5
struct wl18xx_priv {
/* buffer for sending commands to FW */
u8 cmd_buf[WL18XX_CMD_MAX_SIZE];

29
drivers/net/wireless/ti/wlcore/acx.c
View File

@ -1736,6 +1736,35 @@ out:
}
int wlcore_acx_average_rssi(struct wl1271 *wl, struct wl12xx_vif *wlvif,
s8 *avg_rssi)
{
struct acx_roaming_stats *acx;
int ret = 0;
wl1271_debug(DEBUG_ACX, "acx roaming statistics");
acx = kzalloc(sizeof(*acx), GFP_KERNEL);
if (!acx) {
ret = -ENOMEM;
goto out;
}
acx->role_id = wlvif->role_id;
ret = wl1271_cmd_interrogate(wl, ACX_ROAMING_STATISTICS_TBL,
acx, sizeof(*acx));
if (ret < 0) {
wl1271_warning("acx roaming statistics failed: %d", ret);
ret = -ENOMEM;
goto out;
}
*avg_rssi = acx->rssi_beacon;
out:
kfree(acx);
return ret;
}
#ifdef CONFIG_PM
/* Set the global behaviour of RX filters - On/Off + default action */
int wl1271_acx_default_rx_filter_enable(struct wl1271 *wl, bool enable,

16
drivers/net/wireless/ti/wlcore/acx.h
View File

@ -728,8 +728,6 @@ struct wl1271_acx_ht_information {
u8 padding[2];
} __packed;
#define RX_BA_MAX_SESSIONS 3
struct wl1271_acx_ba_initiator_policy {
struct acx_header header;
@ -955,6 +953,18 @@ struct acx_rx_filter_cfg {
u8 fields[0];
} __packed;
struct acx_roaming_stats {
struct acx_header header;
u8 role_id;
u8 pad[3];
u32 missed_beacons;
u8 snr_data;
u8 snr_bacon;
s8 rssi_data;
s8 rssi_beacon;
} __packed;
enum {
ACX_WAKE_UP_CONDITIONS = 0x0000,
ACX_MEM_CFG = 0x0001,
@ -1112,6 +1122,8 @@ int wl1271_acx_set_inconnection_sta(struct wl1271 *wl, u8 *addr);
int wl1271_acx_fm_coex(struct wl1271 *wl);
int wl12xx_acx_set_rate_mgmt_params(struct wl1271 *wl);
int wl12xx_acx_config_hangover(struct wl1271 *wl);
int wlcore_acx_average_rssi(struct wl1271 *wl, struct wl12xx_vif *wlvif,
s8 *avg_rssi);
#ifdef CONFIG_PM
int wl1271_acx_default_rx_filter_enable(struct wl1271 *wl, bool enable,

32
drivers/net/wireless/ti/wlcore/cmd.c
View File

@ -327,6 +327,14 @@ int wl12xx_allocate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid)
wl->links[link].prev_freed_pkts =
wl->fw_status_2->counters.tx_lnk_free_pkts[link];
wl->links[link].wlvif = wlvif;
/*
* Take saved value for total freed packets from wlvif, in case this is
* recovery/resume
*/
if (wlvif->bss_type != BSS_TYPE_AP_BSS)
wl->links[link].total_freed_pkts = wlvif->total_freed_pkts;
*hlid = link;
wl->active_link_count++;
@ -358,6 +366,26 @@ void wl12xx_free_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 *hlid)
wl1271_tx_reset_link_queues(wl, *hlid);
wl->links[*hlid].wlvif = NULL;
if (wlvif->bss_type == BSS_TYPE_STA_BSS ||
(wlvif->bss_type == BSS_TYPE_AP_BSS &&
*hlid == wlvif->ap.bcast_hlid)) {
/*
* save the total freed packets in the wlvif, in case this is
* recovery or suspend
*/
wlvif->total_freed_pkts = wl->links[*hlid].total_freed_pkts;
/*
* increment the initial seq number on recovery to account for
* transmitted packets that we haven't yet got in the FW status
*/
if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags))
wlvif->total_freed_pkts +=
WL1271_TX_SQN_POST_RECOVERY_PADDING;
}
wl->links[*hlid].total_freed_pkts = 0;
*hlid = WL12XX_INVALID_LINK_ID;
wl->active_link_count--;
WARN_ON_ONCE(wl->active_link_count < 0);
@ -609,6 +637,10 @@ int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif)
if (ret < 0)
goto out_free_global;
/* use the previous security seq, if this is a recovery/resume */
wl->links[wlvif->ap.bcast_hlid].total_freed_pkts =
wlvif->total_freed_pkts;
cmd->role_id = wlvif->role_id;
cmd->ap.aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period);
cmd->ap.bss_index = WL1271_AP_BSS_INDEX;

33
drivers/net/wireless/ti/wlcore/debug.h
View File

@ -89,25 +89,24 @@ extern u32 wl12xx_debug_level;
} while (0)
#endif
/* TODO: use pr_debug_hex_dump when it becomes available */
#define wl1271_dump(level, prefix, buf, len) \
do { \
if (level & wl12xx_debug_level) \
print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
DUMP_PREFIX_OFFSET, 16, 1, \
buf, \
min_t(size_t, len, DEBUG_DUMP_LIMIT), \
0); \
#define wl1271_dump(level, prefix, buf, len) \
do { \
if (level & wl12xx_debug_level) \
print_hex_dump_debug(DRIVER_PREFIX prefix, \
DUMP_PREFIX_OFFSET, 16, 1, \
buf, \
min_t(size_t, len, DEBUG_DUMP_LIMIT), \
0); \
} while (0)
#define wl1271_dump_ascii(level, prefix, buf, len) \
do { \
if (level & wl12xx_debug_level) \
print_hex_dump(KERN_DEBUG, DRIVER_PREFIX prefix, \
DUMP_PREFIX_OFFSET, 16, 1, \
buf, \
min_t(size_t, len, DEBUG_DUMP_LIMIT), \
true); \
#define wl1271_dump_ascii(level, prefix, buf, len) \
do { \
if (level & wl12xx_debug_level) \
print_hex_dump_debug(DRIVER_PREFIX prefix, \
DUMP_PREFIX_OFFSET, 16, 1, \
buf, \
min_t(size_t, len, DEBUG_DUMP_LIMIT), \
true); \
} while (0)
#endif /* __DEBUG_H__ */

3
drivers/net/wireless/ti/wlcore/debugfs.c
View File

@ -598,8 +598,7 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf,
VIF_STATE_PRINT_INT(last_rssi_event);
VIF_STATE_PRINT_INT(ba_support);
VIF_STATE_PRINT_INT(ba_allowed);
VIF_STATE_PRINT_LLHEX(tx_security_seq);
VIF_STATE_PRINT_INT(tx_security_last_seq_lsb);
VIF_STATE_PRINT_LLHEX(total_freed_pkts);
}
#undef VIF_STATE_PRINT_INT

9
drivers/net/wireless/ti/wlcore/event.c
View File

@ -237,6 +237,14 @@ void wlcore_event_beacon_loss(struct wl1271 *wl, unsigned long roles_bitmap)
!test_bit(wlvif->role_id , &roles_bitmap))
continue;
vif = wl12xx_wlvif_to_vif(wlvif);
/* don't attempt roaming in case of p2p */
if (wlvif->p2p) {
ieee80211_connection_loss(vif);
continue;
}
/*
* if the work is already queued, it should take place.
* We don't want to delay the connection loss
@ -246,7 +254,6 @@ void wlcore_event_beacon_loss(struct wl1271 *wl, unsigned long roles_bitmap)
&wlvif->connection_loss_work,
msecs_to_jiffies(delay));
vif = wl12xx_wlvif_to_vif(wlvif);
ieee80211_cqm_rssi_notify(
vif,
NL80211_CQM_RSSI_BEACON_LOSS_EVENT,

200
drivers/net/wireless/ti/wlcore/main.c
View File

@ -108,8 +108,7 @@ static void wl1271_reg_notify(struct wiphy *wiphy,
}
if (likely(wl->state == WLCORE_STATE_ON))
wlcore_regdomain_config(wl);
wlcore_regdomain_config(wl);
}
static int wl1271_set_rx_streaming(struct wl1271 *wl, struct wl12xx_vif *wlvif,
@ -332,10 +331,9 @@ static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl,
struct wl12xx_vif *wlvif,
u8 hlid, u8 tx_pkts)
{
bool fw_ps, single_link;
bool fw_ps;
fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map);
single_link = (wl->active_link_count == 1);
/*
* Wake up from high level PS if the STA is asleep with too little
@ -348,8 +346,13 @@ static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl,
* Start high-level PS if the STA is asleep with enough blocks in FW.
* Make an exception if this is the only connected link. In this
* case FW-memory congestion is less of a problem.
* Note that a single connected STA means 3 active links, since we must
* account for the global and broadcast AP links. The "fw_ps" check
* assures us the third link is a STA connected to the AP. Otherwise
* the FW would not set the PSM bit.
*/
else if (!single_link && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS)
else if (wl->active_link_count > 3 && fw_ps &&
tx_pkts >= WL1271_PS_STA_MAX_PACKETS)
wl12xx_ps_link_start(wl, wlvif, hlid, true);
}
@ -414,13 +417,21 @@ static int wlcore_fw_status(struct wl1271 *wl,
for_each_set_bit(i, wl->links_map, WL12XX_MAX_LINKS) {
u8 diff;
lnk = &wl->links[i];
/* prevent wrap-around in freed-packets counter */
lnk->allocated_pkts -=
(status_2->counters.tx_lnk_free_pkts[i] -
lnk->prev_freed_pkts) & 0xff;
/* prevent wrap-around in freed-packets counter */
diff = (status_2->counters.tx_lnk_free_pkts[i] -
lnk->prev_freed_pkts) & 0xff;
if (diff == 0)
continue;
lnk->allocated_pkts -= diff;
lnk->prev_freed_pkts = status_2->counters.tx_lnk_free_pkts[i];
/* accumulate the prev_freed_pkts counter */
lnk->total_freed_pkts += diff;
}
/* prevent wrap-around in total blocks counter */
@ -640,6 +651,25 @@ static irqreturn_t wlcore_irq(int irq, void *cookie)
unsigned long flags;
struct wl1271 *wl = cookie;
/* complete the ELP completion */
spin_lock_irqsave(&wl->wl_lock, flags);
set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
if (wl->elp_compl) {
complete(wl->elp_compl);
wl->elp_compl = NULL;
}
if (test_bit(WL1271_FLAG_SUSPENDED, &wl->flags)) {
/* don't enqueue a work right now. mark it as pending */
set_bit(WL1271_FLAG_PENDING_WORK, &wl->flags);
wl1271_debug(DEBUG_IRQ, "should not enqueue work");
disable_irq_nosync(wl->irq);
pm_wakeup_event(wl->dev, 0);
spin_unlock_irqrestore(&wl->wl_lock, flags);
return IRQ_HANDLED;
}
spin_unlock_irqrestore(&wl->wl_lock, flags);
/* TX might be handled here, avoid redundant work */
set_bit(WL1271_FLAG_TX_PENDING, &wl->flags);
cancel_work_sync(&wl->tx_work);
@ -919,18 +949,6 @@ static void wl1271_recovery_work(struct work_struct *work)
goto out_unlock;
}
/*
* Advance security sequence number to overcome potential progress
* in the firmware during recovery. This doens't hurt if the network is
* not encrypted.
*/
wl12xx_for_each_wlvif(wl, wlvif) {
if (test_bit(WLVIF_FLAG_STA_ASSOCIATED, &wlvif->flags) ||
test_bit(WLVIF_FLAG_AP_STARTED, &wlvif->flags))
wlvif->tx_security_seq +=
WL1271_TX_SQN_POST_RECOVERY_PADDING;
}
/* Prevent spurious TX during FW restart */
wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART);
@ -2523,6 +2541,8 @@ static void __wl1271_op_remove_interface(struct wl1271 *wl,
wl1271_ps_elp_sleep(wl);
}
deinit:
wl12xx_tx_reset_wlvif(wl, wlvif);
/* clear all hlids (except system_hlid) */
wlvif->dev_hlid = WL12XX_INVALID_LINK_ID;
@ -2546,7 +2566,6 @@ deinit:
dev_kfree_skb(wlvif->probereq);
wlvif->probereq = NULL;
wl12xx_tx_reset_wlvif(wl, wlvif);
if (wl->last_wlvif == wlvif)
wl->last_wlvif = NULL;
list_del(&wlvif->list);
@ -2860,10 +2879,6 @@ static int wlcore_unset_assoc(struct wl1271 *wl, struct wl12xx_vif *wlvif)
wlvif->sta.klv_template_id,
ACX_KEEP_ALIVE_TPL_INVALID);
/* reset TX security counters on a clean disconnect */
wlvif->tx_security_last_seq_lsb = 0;
wlvif->tx_security_seq = 0;
return 0;
}
@ -3262,6 +3277,7 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
u32 tx_seq_32 = 0;
u16 tx_seq_16 = 0;
u8 key_type;
u8 hlid;
wl1271_debug(DEBUG_MAC80211, "mac80211 set key");
@ -3271,6 +3287,22 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
key_conf->keylen, key_conf->flags);
wl1271_dump(DEBUG_CRYPT, "KEY: ", key_conf->key, key_conf->keylen);
if (wlvif->bss_type == BSS_TYPE_AP_BSS)
if (sta) {
struct wl1271_station *wl_sta = (void *)sta->drv_priv;
hlid = wl_sta->hlid;
} else {
hlid = wlvif->ap.bcast_hlid;
}
else
hlid = wlvif->sta.hlid;
if (hlid != WL12XX_INVALID_LINK_ID) {
u64 tx_seq = wl->links[hlid].total_freed_pkts;
tx_seq_32 = WL1271_TX_SECURITY_HI32(tx_seq);
tx_seq_16 = WL1271_TX_SECURITY_LO16(tx_seq);
}
switch (key_conf->cipher) {
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
@ -3280,22 +3312,14 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd,
break;
case WLAN_CIPHER_SUITE_TKIP:
key_type = KEY_TKIP;
key_conf->hw_key_idx = key_conf->keyidx;
tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq);
tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq);
break;
case WLAN_CIPHER_SUITE_CCMP:
key_type = KEY_AES;
key_conf->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq);
tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq);
break;
case WL1271_CIPHER_SUITE_GEM:
key_type = KEY_GEM;
tx_seq_32 = WL1271_TX_SECURITY_HI32(wlvif->tx_security_seq);
tx_seq_16 = WL1271_TX_SECURITY_LO16(wlvif->tx_security_seq);
break;
default:
wl1271_error("Unknown key algo 0x%x", key_conf->cipher);
@ -3358,6 +3382,10 @@ void wlcore_regdomain_config(struct wl1271 *wl)
return;
mutex_lock(&wl->mutex);
if (unlikely(wl->state != WLCORE_STATE_ON))
goto out;
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out;
@ -4499,6 +4527,9 @@ static int wl1271_allocate_sta(struct wl1271 *wl,
return -EBUSY;
}
/* use the previous security seq, if this is a recovery/resume */
wl->links[wl_sta->hlid].total_freed_pkts = wl_sta->total_freed_pkts;
set_bit(wl_sta->hlid, wlvif->ap.sta_hlid_map);
memcpy(wl->links[wl_sta->hlid].addr, sta->addr, ETH_ALEN);
wl->active_sta_count++;
@ -4507,12 +4538,37 @@ static int wl1271_allocate_sta(struct wl1271 *wl,
void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid)
{
struct wl1271_station *wl_sta;
struct ieee80211_sta *sta;
struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif);
if (!test_bit(hlid, wlvif->ap.sta_hlid_map))
return;
clear_bit(hlid, wlvif->ap.sta_hlid_map);
__clear_bit(hlid, &wl->ap_ps_map);
__clear_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map);
/*
* save the last used PN in the private part of iee80211_sta,
* in case of recovery/suspend
*/
rcu_read_lock();
sta = ieee80211_find_sta(vif, wl->links[hlid].addr);
if (sta) {
wl_sta = (void *)sta->drv_priv;
wl_sta->total_freed_pkts = wl->links[hlid].total_freed_pkts;
/*
* increment the initial seq number on recovery to account for
* transmitted packets that we haven't yet got in the FW status
*/
if (test_bit(WL1271_FLAG_RECOVERY_IN_PROGRESS, &wl->flags))
wl_sta->total_freed_pkts +=
WL1271_TX_SQN_POST_RECOVERY_PADDING;
}
rcu_read_unlock();
wl12xx_free_link(wl, wlvif, &hlid);
wl->active_sta_count--;
@ -4616,13 +4672,11 @@ static int wl12xx_update_sta_state(struct wl1271 *wl,
enum ieee80211_sta_state new_state)
{
struct wl1271_station *wl_sta;
u8 hlid;
bool is_ap = wlvif->bss_type == BSS_TYPE_AP_BSS;
bool is_sta = wlvif->bss_type == BSS_TYPE_STA_BSS;
int ret;
wl_sta = (struct wl1271_station *)sta->drv_priv;
hlid = wl_sta->hlid;
/* Add station (AP mode) */
if (is_ap &&
@ -4648,12 +4702,12 @@ static int wl12xx_update_sta_state(struct wl1271 *wl,
/* Authorize station (AP mode) */
if (is_ap &&
new_state == IEEE80211_STA_AUTHORIZED) {
ret = wl12xx_cmd_set_peer_state(wl, wlvif, hlid);
ret = wl12xx_cmd_set_peer_state(wl, wlvif, wl_sta->hlid);
if (ret < 0)
return ret;
ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true,
hlid);
wl_sta->hlid);
if (ret)
return ret;
@ -4784,7 +4838,7 @@ static int wl1271_op_ampdu_action(struct ieee80211_hw *hw,
break;
}
if (wl->ba_rx_session_count >= RX_BA_MAX_SESSIONS) {
if (wl->ba_rx_session_count >= wl->ba_rx_session_count_max) {
ret = -EBUSY;
wl1271_error("exceeded max RX BA sessions");
break;
@ -5092,6 +5146,39 @@ static void wlcore_op_sta_rc_update(struct ieee80211_hw *hw,
wlcore_hw_sta_rc_update(wl, wlvif, sta, changed);
}
static int wlcore_op_get_rssi(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
s8 *rssi_dbm)
{
struct wl1271 *wl = hw->priv;
struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif);
int ret = 0;
wl1271_debug(DEBUG_MAC80211, "mac80211 get_rssi");
mutex_lock(&wl->mutex);
if (unlikely(wl->state != WLCORE_STATE_ON))
goto out;
ret = wl1271_ps_elp_wakeup(wl);
if (ret < 0)
goto out_sleep;
ret = wlcore_acx_average_rssi(wl, wlvif, rssi_dbm);
if (ret < 0)
goto out_sleep;
out_sleep:
wl1271_ps_elp_sleep(wl);
out:
mutex_unlock(&wl->mutex);
return ret;
}
static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw)
{
struct wl1271 *wl = hw->priv;
@ -5291,6 +5378,7 @@ static const struct ieee80211_ops wl1271_ops = {
.assign_vif_chanctx = wlcore_op_assign_vif_chanctx,
.unassign_vif_chanctx = wlcore_op_unassign_vif_chanctx,
.sta_rc_update = wlcore_op_sta_rc_update,
.get_rssi = wlcore_op_get_rssi,
CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
};
@ -5930,35 +6018,6 @@ int wlcore_free_hw(struct wl1271 *wl)
}
EXPORT_SYMBOL_GPL(wlcore_free_hw);
static irqreturn_t wl12xx_hardirq(int irq, void *cookie)
{
struct wl1271 *wl = cookie;
unsigned long flags;
wl1271_debug(DEBUG_IRQ, "IRQ");
/* complete the ELP completion */
spin_lock_irqsave(&wl->wl_lock, flags);
set_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags);
if (wl->elp_compl) {
complete(wl->elp_compl);
wl->elp_compl = NULL;
}
if (test_bit(WL1271_FLAG_SUSPENDED, &wl->flags)) {
/* don't enqueue a work right now. mark it as pending */
set_bit(WL1271_FLAG_PENDING_WORK, &wl->flags);
wl1271_debug(DEBUG_IRQ, "should not enqueue work");
disable_irq_nosync(wl->irq);
pm_wakeup_event(wl->dev, 0);
spin_unlock_irqrestore(&wl->wl_lock, flags);
return IRQ_HANDLED;
}
spin_unlock_irqrestore(&wl->wl_lock, flags);
return IRQ_WAKE_THREAD;
}
static void wlcore_nvs_cb(const struct firmware *fw, void *context)
{
struct wl1271 *wl = context;
@ -6000,9 +6059,8 @@ static void wlcore_nvs_cb(const struct firmware *fw, void *context)
else
irqflags = IRQF_TRIGGER_HIGH | IRQF_ONESHOT;
ret = request_threaded_irq(wl->irq, wl12xx_hardirq, wlcore_irq,
irqflags,
pdev->name, wl);
ret = request_threaded_irq(wl->irq, NULL, wlcore_irq,
irqflags, pdev->name, wl);
if (ret < 0) {
wl1271_error("request_irq() failed: %d", ret);
goto out_free_nvs;

4
drivers/net/wireless/ti/wlcore/ps.c
View File

@ -29,6 +29,7 @@
#define WL1271_WAKEUP_TIMEOUT 500
#define ELP_ENTRY_DELAY 30
#define ELP_ENTRY_DELAY_FORCE_PS 5
void wl1271_elp_work(struct work_struct *work)
{
@ -98,7 +99,8 @@ void wl1271_ps_elp_sleep(struct wl1271 *wl)
return;
}
timeout = ELP_ENTRY_DELAY;
timeout = wl->conf.conn.forced_ps ?
ELP_ENTRY_DELAY_FORCE_PS : ELP_ENTRY_DELAY;
ieee80211_queue_delayed_work(wl->hw, &wl->elp_work,
msecs_to_jiffies(timeout));
}

39
drivers/net/wireless/ti/wlcore/tx.c
View File

@ -24,6 +24,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/etherdevice.h>
#include <linux/spinlock.h>
#include "wlcore.h"
#include "debug.h"
@ -104,7 +105,7 @@ static void wl1271_tx_regulate_link(struct wl1271 *wl,
struct wl12xx_vif *wlvif,
u8 hlid)
{
bool fw_ps, single_link;
bool fw_ps;
u8 tx_pkts;
if (WARN_ON(!test_bit(hlid, wlvif->links_map)))
@ -112,15 +113,19 @@ static void wl1271_tx_regulate_link(struct wl1271 *wl,
fw_ps = test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map);
tx_pkts = wl->links[hlid].allocated_pkts;
single_link = (wl->active_link_count == 1);
/*
* if in FW PS and there is enough data in FW we can put the link
* into high-level PS and clean out its TX queues.
* Make an exception if this is the only connected link. In this
* case FW-memory congestion is less of a problem.
* Note that a single connected STA means 3 active links, since we must
* account for the global and broadcast AP links. The "fw_ps" check
* assures us the third link is a STA connected to the AP. Otherwise
* the FW would not set the PSM bit.
*/
if (!single_link && fw_ps && tx_pkts >= WL1271_PS_STA_MAX_PACKETS)
if (wl->active_link_count > 3 && fw_ps &&
tx_pkts >= WL1271_PS_STA_MAX_PACKETS)
wl12xx_ps_link_start(wl, wlvif, hlid, true);
}
@ -639,6 +644,7 @@ next:
}
out:
if (!skb &&
test_and_clear_bit(WL1271_FLAG_DUMMY_PACKET_PENDING, &wl->flags)) {
int q;
@ -652,7 +658,6 @@ next:
spin_unlock_irqrestore(&wl->wl_lock, flags);
}
out:
return skb;
}
@ -928,25 +933,6 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl,
wl->stats.retry_count += result->ack_failures;
/*
* update sequence number only when relevant, i.e. only in
* sessions of TKIP, AES and GEM (not in open or WEP sessions)
*/
if (info->control.hw_key &&
(info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP ||
info->control.hw_key->cipher == WLAN_CIPHER_SUITE_CCMP ||
info->control.hw_key->cipher == WL1271_CIPHER_SUITE_GEM)) {
u8 fw_lsb = result->tx_security_sequence_number_lsb;
u8 cur_lsb = wlvif->tx_security_last_seq_lsb;
/*
* update security sequence number, taking care of potential
* wrap-around
*/
wlvif->tx_security_seq += (fw_lsb - cur_lsb) & 0xff;
wlvif->tx_security_last_seq_lsb = fw_lsb;
}
/* remove private header from packet */
skb_pull(skb, sizeof(struct wl1271_tx_hw_descr));
@ -1061,7 +1047,8 @@ void wl12xx_tx_reset_wlvif(struct wl1271 *wl, struct wl12xx_vif *wlvif)
/* TX failure */
for_each_set_bit(i, wlvif->links_map, WL12XX_MAX_LINKS) {
if (wlvif->bss_type == BSS_TYPE_AP_BSS) {
if (wlvif->bss_type == BSS_TYPE_AP_BSS &&
i != wlvif->ap.bcast_hlid && i != wlvif->ap.global_hlid) {
/* this calls wl12xx_free_link */
wl1271_free_sta(wl, wlvif, i);
} else {
@ -1304,7 +1291,7 @@ bool wlcore_is_queue_stopped_by_reason_locked(struct wl1271 *wl,
{
int hwq = wlcore_tx_get_mac80211_queue(wlvif, queue);
WARN_ON_ONCE(!spin_is_locked(&wl->wl_lock));
assert_spin_locked(&wl->wl_lock);
return test_bit(reason, &wl->queue_stop_reasons[hwq]);
}
@ -1313,6 +1300,6 @@ bool wlcore_is_queue_stopped_locked(struct wl1271 *wl, struct wl12xx_vif *wlvif,
{
int hwq = wlcore_tx_get_mac80211_queue(wlvif, queue);
WARN_ON_ONCE(!spin_is_locked(&wl->wl_lock));
assert_spin_locked(&wl->wl_lock);
return !!wl->queue_stop_reasons[hwq];
}

3
drivers/net/wireless/ti/wlcore/wlcore.h
View File

@ -390,6 +390,9 @@ struct wl1271 {
/* number of currently active RX BA sessions */
int ba_rx_session_count;
/* Maximum number of supported RX BA sessions */
int ba_rx_session_count_max;
/* AP-mode - number of currently connected stations */
int active_sta_count;

31
drivers/net/wireless/ti/wlcore/wlcore_i.h
View File

@ -274,6 +274,13 @@ struct wl1271_link {
/* The wlvif this link belongs to. Might be null for global links */
struct wl12xx_vif *wlvif;
/*
* total freed FW packets on the link - used for tracking the
* AES/TKIP PN across recoveries. Re-initialized each time
* from the wl1271_station structure.
*/
u64 total_freed_pkts;
};
#define WL1271_MAX_RX_FILTERS 5
@ -318,6 +325,13 @@ struct wl12xx_rx_filter {
struct wl1271_station {
u8 hlid;
bool in_connection;
/*
* total freed FW packets on the link to the STA - used for tracking the
* AES/TKIP PN across recoveries. Re-initialized each time from the
* wl1271_station structure.
*/
u64 total_freed_pkts;
};
struct wl12xx_vif {
@ -449,16 +463,15 @@ struct wl12xx_vif {
*/
struct {
u8 persistent[0];
/*
* Security sequence number
* bits 0-15: lower 16 bits part of sequence number
* bits 16-47: higher 32 bits part of sequence number
* bits 48-63: not in use
*/
u64 tx_security_seq;
/* 8 bits of the last sequence number in use */
u8 tx_security_last_seq_lsb;
/*
* total freed FW packets on the link - used for
* storing the AES/TKIP PN during recovery, as this
* structure is not zeroed out.
* For STA this holds the PN of the link to the AP.
* For AP this holds the PN of the broadcast link.
*/
u64 total_freed_pkts;
};
};