renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-25 15:15:33 +08:00
Code

iwlegacy: get rid of tx/rx traffic log

Browse Source 
The same data can be gathered using monitor mode.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Stanislaw Gruszka 2012-02-13 11:23:20 +01:00 committed by John W. Linville
parent c936355172
commit 288f995413
6 changed files with 145 additions and 423 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/net/wireless/iwlegacy/3945-mac.c
View File

@ -573,7 +573,6 @@ il3945_tx_skb(struct il_priv *il, struct sk_buff *skb)
len = (u16) skb->len;
tx_cmd->len = cpu_to_le16(len);
il_dbg_log_tx_data_frame(il, len, hdr);
il_update_stats(il, true, fc, len);
tx_cmd->tx_flags &= ~TX_CMD_FLG_ANT_A_MSK;
tx_cmd->tx_flags &= ~TX_CMD_FLG_ANT_B_MSK;
@ -3098,11 +3097,9 @@ il3945_store_debug_level(struct device *d, struct device_attribute *attr,
ret = strict_strtoul(buf, 0, &val);
if (ret)
IL_INFO("%s is not in hex or decimal form.\n", buf);
else {
else
il->debug_level = val;
if (il_alloc_traffic_mem(il))
IL_ERR("Not enough memory to generate traffic log\n");
}
return strnlen(buf, count);
}
@ -3625,9 +3622,6 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
il->pci_dev = pdev;
il->inta_mask = CSR_INI_SET_MASK;
if (il_alloc_traffic_mem(il))
IL_ERR("Not enough memory to generate traffic log\n");
/***************************
* 2. Initializing PCI bus
* *************************/
@ -3790,7 +3784,6 @@ out_pci_disable_device:
pci_set_drvdata(pdev, NULL);
pci_disable_device(pdev);
out_ieee80211_free_hw:
il_free_traffic_mem(il);
ieee80211_free_hw(il->hw);
out:
return err;
@ -3858,7 +3851,6 @@ il3945_pci_remove(struct pci_dev *pdev)
* until now... */
destroy_workqueue(il->workqueue);
il->workqueue = NULL;
il_free_traffic_mem(il);
free_irq(pdev->irq, il);
pci_disable_msi(pdev);

2
drivers/net/wireless/iwlegacy/3945.c
View File

@ -573,8 +573,6 @@ il3945_hdl_rx(struct il_priv *il, struct il_rx_buf *rxb)
network_packet ? '*' : ' ', le16_to_cpu(rx_hdr->channel),
rx_status.signal, rx_status.signal, rx_status.rate_idx);
il_dbg_log_rx_data_frame(il, le16_to_cpu(rx_hdr->len), header);
if (network_packet) {
il->_3945.last_beacon_time =
le32_to_cpu(rx_end->beacon_timestamp);

13
drivers/net/wireless/iwlegacy/4965-mac.c
View File

@ -688,7 +688,6 @@ il4965_hdl_rx(struct il_priv *il, struct il_rx_buf *rxb)
/* Find max signal strength (dBm) among 3 antenna/receiver chains */
rx_status.signal = il4965_calc_rssi(il, phy_res);
il_dbg_log_rx_data_frame(il, len, header);
D_STATS("Rssi %d, TSF %llu\n", rx_status.signal,
(unsigned long long)rx_status.mactime);
@ -1781,7 +1780,6 @@ il4965_tx_skb(struct il_priv *il, struct sk_buff *skb)
/* TODO need this for burst mode later on */
il4965_tx_cmd_build_basic(il, skb, tx_cmd, info, hdr, sta_id);
il_dbg_log_tx_data_frame(il, len, hdr);
il4965_tx_cmd_build_rate(il, tx_cmd, info, fc);
@ -4541,11 +4539,9 @@ il4965_store_debug_level(struct device *d, struct device_attribute *attr,
ret = strict_strtoul(buf, 0, &val);
if (ret)
IL_ERR("%s is not in hex or decimal form.\n", buf);
else {
else
il->debug_level = val;
if (il_alloc_traffic_mem(il))
IL_ERR("Not enough memory to generate traffic log\n");
}
return strnlen(buf, count);
}
@ -6483,9 +6479,6 @@ il4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
il->pci_dev = pdev;
il->inta_mask = CSR_INI_SET_MASK;
if (il_alloc_traffic_mem(il))
IL_ERR("Not enough memory to generate traffic log\n");
/**************************
* 2. Initializing PCI bus
**************************/
@ -6663,7 +6656,6 @@ out_pci_release_regions:
out_pci_disable_device:
pci_disable_device(pdev);
out_ieee80211_free_hw:
il_free_traffic_mem(il);
ieee80211_free_hw(il->hw);
out:
return err;
@ -6734,7 +6726,6 @@ il4965_pci_remove(struct pci_dev *pdev)
* until now... */
destroy_workqueue(il->workqueue);
il->workqueue = NULL;
il_free_traffic_mem(il);
free_irq(il->pci_dev->irq, il);
pci_disable_msi(il->pci_dev);

247
drivers/net/wireless/iwlegacy/common.c
View File

@ -4574,253 +4574,6 @@ il_txq_mem(struct il_priv *il)
}
EXPORT_SYMBOL(il_txq_mem);
#ifdef CONFIG_IWLEGACY_DEBUGFS
#define IL_TRAFFIC_DUMP_SIZE (IL_TRAFFIC_ENTRY_SIZE * IL_TRAFFIC_ENTRIES)
void
il_reset_traffic_log(struct il_priv *il)
{
il->tx_traffic_idx = 0;
il->rx_traffic_idx = 0;
if (il->tx_traffic)
memset(il->tx_traffic, 0, IL_TRAFFIC_DUMP_SIZE);
if (il->rx_traffic)
memset(il->rx_traffic, 0, IL_TRAFFIC_DUMP_SIZE);
}
int
il_alloc_traffic_mem(struct il_priv *il)
{
u32 traffic_size = IL_TRAFFIC_DUMP_SIZE;
if (il_debug_level & IL_DL_TX) {
if (!il->tx_traffic) {
il->tx_traffic = kzalloc(traffic_size, GFP_KERNEL);
if (!il->tx_traffic)
return -ENOMEM;
}
}
if (il_debug_level & IL_DL_RX) {
if (!il->rx_traffic) {
il->rx_traffic = kzalloc(traffic_size, GFP_KERNEL);
if (!il->rx_traffic)
return -ENOMEM;
}
}
il_reset_traffic_log(il);
return 0;
}
EXPORT_SYMBOL(il_alloc_traffic_mem);
void
il_free_traffic_mem(struct il_priv *il)
{
kfree(il->tx_traffic);
il->tx_traffic = NULL;
kfree(il->rx_traffic);
il->rx_traffic = NULL;
}
EXPORT_SYMBOL(il_free_traffic_mem);
void
il_dbg_log_tx_data_frame(struct il_priv *il, u16 length,
struct ieee80211_hdr *header)
{
__le16 fc;
u16 len;
if (likely(!(il_debug_level & IL_DL_TX)))
return;
if (!il->tx_traffic)
return;
fc = header->frame_control;
if (ieee80211_is_data(fc)) {
len =
(length >
IL_TRAFFIC_ENTRY_SIZE) ? IL_TRAFFIC_ENTRY_SIZE : length;
memcpy((il->tx_traffic +
(il->tx_traffic_idx * IL_TRAFFIC_ENTRY_SIZE)), header,
len);
il->tx_traffic_idx =
(il->tx_traffic_idx + 1) % IL_TRAFFIC_ENTRIES;
}
}
EXPORT_SYMBOL(il_dbg_log_tx_data_frame);
void
il_dbg_log_rx_data_frame(struct il_priv *il, u16 length,
struct ieee80211_hdr *header)
{
__le16 fc;
u16 len;
if (likely(!(il_debug_level & IL_DL_RX)))
return;
if (!il->rx_traffic)
return;
fc = header->frame_control;
if (ieee80211_is_data(fc)) {
len =
(length >
IL_TRAFFIC_ENTRY_SIZE) ? IL_TRAFFIC_ENTRY_SIZE : length;
memcpy((il->rx_traffic +
(il->rx_traffic_idx * IL_TRAFFIC_ENTRY_SIZE)), header,
len);
il->rx_traffic_idx =
(il->rx_traffic_idx + 1) % IL_TRAFFIC_ENTRIES;
}
}
EXPORT_SYMBOL(il_dbg_log_rx_data_frame);
const char *
il_get_mgmt_string(int cmd)
{
switch (cmd) {
IL_CMD(MANAGEMENT_ASSOC_REQ);
IL_CMD(MANAGEMENT_ASSOC_RESP);
IL_CMD(MANAGEMENT_REASSOC_REQ);
IL_CMD(MANAGEMENT_REASSOC_RESP);
IL_CMD(MANAGEMENT_PROBE_REQ);
IL_CMD(MANAGEMENT_PROBE_RESP);
IL_CMD(MANAGEMENT_BEACON);
IL_CMD(MANAGEMENT_ATIM);
IL_CMD(MANAGEMENT_DISASSOC);
IL_CMD(MANAGEMENT_AUTH);
IL_CMD(MANAGEMENT_DEAUTH);
IL_CMD(MANAGEMENT_ACTION);
default:
return "UNKNOWN";
}
}
const char *
il_get_ctrl_string(int cmd)
{
switch (cmd) {
IL_CMD(CONTROL_BACK_REQ);
IL_CMD(CONTROL_BACK);
IL_CMD(CONTROL_PSPOLL);
IL_CMD(CONTROL_RTS);
IL_CMD(CONTROL_CTS);
IL_CMD(CONTROL_ACK);
IL_CMD(CONTROL_CFEND);
IL_CMD(CONTROL_CFENDACK);
default:
return "UNKNOWN";
}
}
void
il_clear_traffic_stats(struct il_priv *il)
{
memset(&il->tx_stats, 0, sizeof(struct traffic_stats));
memset(&il->rx_stats, 0, sizeof(struct traffic_stats));
}
/*
* if CONFIG_IWLEGACY_DEBUGFS defined,
* il_update_stats function will
* record all the MGMT, CTRL and DATA pkt for both TX and Rx pass
* Use debugFs to display the rx/rx_stats
* if CONFIG_IWLEGACY_DEBUGFS not being defined, then no MGMT and CTRL
* information will be recorded, but DATA pkt still will be recorded
* for the reason of il_led.c need to control the led blinking based on
* number of tx and rx data.
*
*/
void
il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len)
{
struct traffic_stats *stats;
if (is_tx)
stats = &il->tx_stats;
else
stats = &il->rx_stats;
if (ieee80211_is_mgmt(fc)) {
switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ):
stats->mgmt[MANAGEMENT_ASSOC_REQ]++;
break;
case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
stats->mgmt[MANAGEMENT_ASSOC_RESP]++;
break;
case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ):
stats->mgmt[MANAGEMENT_REASSOC_REQ]++;
break;
case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
stats->mgmt[MANAGEMENT_REASSOC_RESP]++;
break;
case cpu_to_le16(IEEE80211_STYPE_PROBE_REQ):
stats->mgmt[MANAGEMENT_PROBE_REQ]++;
break;
case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
stats->mgmt[MANAGEMENT_PROBE_RESP]++;
break;
case cpu_to_le16(IEEE80211_STYPE_BEACON):
stats->mgmt[MANAGEMENT_BEACON]++;
break;
case cpu_to_le16(IEEE80211_STYPE_ATIM):
stats->mgmt[MANAGEMENT_ATIM]++;
break;
case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
stats->mgmt[MANAGEMENT_DISASSOC]++;
break;
case cpu_to_le16(IEEE80211_STYPE_AUTH):
stats->mgmt[MANAGEMENT_AUTH]++;
break;
case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
stats->mgmt[MANAGEMENT_DEAUTH]++;
break;
case cpu_to_le16(IEEE80211_STYPE_ACTION):
stats->mgmt[MANAGEMENT_ACTION]++;
break;
}
} else if (ieee80211_is_ctl(fc)) {
switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
case cpu_to_le16(IEEE80211_STYPE_BACK_REQ):
stats->ctrl[CONTROL_BACK_REQ]++;
break;
case cpu_to_le16(IEEE80211_STYPE_BACK):
stats->ctrl[CONTROL_BACK]++;
break;
case cpu_to_le16(IEEE80211_STYPE_PSPOLL):
stats->ctrl[CONTROL_PSPOLL]++;
break;
case cpu_to_le16(IEEE80211_STYPE_RTS):
stats->ctrl[CONTROL_RTS]++;
break;
case cpu_to_le16(IEEE80211_STYPE_CTS):
stats->ctrl[CONTROL_CTS]++;
break;
case cpu_to_le16(IEEE80211_STYPE_ACK):
stats->ctrl[CONTROL_ACK]++;
break;
case cpu_to_le16(IEEE80211_STYPE_CFEND):
stats->ctrl[CONTROL_CFEND]++;
break;
case cpu_to_le16(IEEE80211_STYPE_CFENDACK):
stats->ctrl[CONTROL_CFENDACK]++;
break;
}
} else {
/* data */
stats->data_cnt++;
stats->data_bytes += len;
}
}
EXPORT_SYMBOL(il_update_stats);
#endif
int
il_force_reset(struct il_priv *il, bool external)
{

51
drivers/net/wireless/iwlegacy/common.h
View File

@ -1766,57 +1766,21 @@ int il_alloc_txq_mem(struct il_priv *il);
void il_txq_mem(struct il_priv *il);
#ifdef CONFIG_IWLEGACY_DEBUGFS
int il_alloc_traffic_mem(struct il_priv *il);
void il_free_traffic_mem(struct il_priv *il);
void il_reset_traffic_log(struct il_priv *il);
void il_dbg_log_tx_data_frame(struct il_priv *il, u16 length,
struct ieee80211_hdr *header);
void il_dbg_log_rx_data_frame(struct il_priv *il, u16 length,
struct ieee80211_hdr *header);
const char *il_get_mgmt_string(int cmd);
const char *il_get_ctrl_string(int cmd);
void il_clear_traffic_stats(struct il_priv *il);
void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len);
extern void il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len);
#else
static inline int
il_alloc_traffic_mem(struct il_priv *il)
{
return 0;
}
static inline void
il_free_traffic_mem(struct il_priv *il)
{
}
static inline void
il_reset_traffic_log(struct il_priv *il)
{
}
static inline void
il_dbg_log_tx_data_frame(struct il_priv *il, u16 length,
struct ieee80211_hdr *header)
{
}
static inline void
il_dbg_log_rx_data_frame(struct il_priv *il, u16 length,
struct ieee80211_hdr *header)
{
}
static inline void
il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len)
{
}
#endif
/*****************************************************
* RX handlers.
* **************************************************/
* Handlers
***************************************************/
void il_hdl_pm_sleep(struct il_priv *il, struct il_rx_buf *rxb);
void il_hdl_pm_debug_stats(struct il_priv *il, struct il_rx_buf *rxb);
void il_hdl_error(struct il_priv *il, struct il_rx_buf *rxb);
void il_hdl_csa(struct il_priv *il, struct il_rx_buf *rxb);
/*****************************************************
* RX
@ -1827,13 +1791,10 @@ int il_rx_queue_alloc(struct il_priv *il);
void il_rx_queue_update_write_ptr(struct il_priv *il, struct il_rx_queue *q);
int il_rx_queue_space(const struct il_rx_queue *q);
void il_tx_cmd_complete(struct il_priv *il, struct il_rx_buf *rxb);
/* Handlers */
void il_hdl_spectrum_measurement(struct il_priv *il, struct il_rx_buf *rxb);
void il_recover_from_stats(struct il_priv *il, struct il_rx_pkt *pkt);
void il_chswitch_done(struct il_priv *il, bool is_success);
void il_hdl_csa(struct il_priv *il, struct il_rx_buf *rxb);
/* TX helpers */
/*****************************************************
* TX

243
drivers/net/wireless/iwlegacy/debug.c
View File

@ -31,6 +31,101 @@
#include "common.h"
void
il_clear_traffic_stats(struct il_priv *il)
{
memset(&il->tx_stats, 0, sizeof(struct traffic_stats));
memset(&il->rx_stats, 0, sizeof(struct traffic_stats));
}
/*
* il_update_stats function record all the MGMT, CTRL and DATA pkt for
* both TX and Rx . Use debugfs to display the rx/rx_stats
*/
void
il_update_stats(struct il_priv *il, bool is_tx, __le16 fc, u16 len)
{
struct traffic_stats *stats;
if (is_tx)
stats = &il->tx_stats;
else
stats = &il->rx_stats;
if (ieee80211_is_mgmt(fc)) {
switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ):
stats->mgmt[MANAGEMENT_ASSOC_REQ]++;
break;
case cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP):
stats->mgmt[MANAGEMENT_ASSOC_RESP]++;
break;
case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ):
stats->mgmt[MANAGEMENT_REASSOC_REQ]++;
break;
case cpu_to_le16(IEEE80211_STYPE_REASSOC_RESP):
stats->mgmt[MANAGEMENT_REASSOC_RESP]++;
break;
case cpu_to_le16(IEEE80211_STYPE_PROBE_REQ):
stats->mgmt[MANAGEMENT_PROBE_REQ]++;
break;
case cpu_to_le16(IEEE80211_STYPE_PROBE_RESP):
stats->mgmt[MANAGEMENT_PROBE_RESP]++;
break;
case cpu_to_le16(IEEE80211_STYPE_BEACON):
stats->mgmt[MANAGEMENT_BEACON]++;
break;
case cpu_to_le16(IEEE80211_STYPE_ATIM):
stats->mgmt[MANAGEMENT_ATIM]++;
break;
case cpu_to_le16(IEEE80211_STYPE_DISASSOC):
stats->mgmt[MANAGEMENT_DISASSOC]++;
break;
case cpu_to_le16(IEEE80211_STYPE_AUTH):
stats->mgmt[MANAGEMENT_AUTH]++;
break;
case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
stats->mgmt[MANAGEMENT_DEAUTH]++;
break;
case cpu_to_le16(IEEE80211_STYPE_ACTION):
stats->mgmt[MANAGEMENT_ACTION]++;
break;
}
} else if (ieee80211_is_ctl(fc)) {
switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
case cpu_to_le16(IEEE80211_STYPE_BACK_REQ):
stats->ctrl[CONTROL_BACK_REQ]++;
break;
case cpu_to_le16(IEEE80211_STYPE_BACK):
stats->ctrl[CONTROL_BACK]++;
break;
case cpu_to_le16(IEEE80211_STYPE_PSPOLL):
stats->ctrl[CONTROL_PSPOLL]++;
break;
case cpu_to_le16(IEEE80211_STYPE_RTS):
stats->ctrl[CONTROL_RTS]++;
break;
case cpu_to_le16(IEEE80211_STYPE_CTS):
stats->ctrl[CONTROL_CTS]++;
break;
case cpu_to_le16(IEEE80211_STYPE_ACK):
stats->ctrl[CONTROL_ACK]++;
break;
case cpu_to_le16(IEEE80211_STYPE_CFEND):
stats->ctrl[CONTROL_CFEND]++;
break;
case cpu_to_le16(IEEE80211_STYPE_CFENDACK):
stats->ctrl[CONTROL_CFENDACK]++;
break;
}
} else {
/* data */
stats->data_cnt++;
stats->data_bytes += len;
}
}
EXPORT_SYMBOL(il_update_stats);
/* create and remove of files */
#define DEBUGFS_ADD_FILE(name, parent, mode) do { \
if (!debugfs_create_file(#name, mode, parent, il, \
@ -98,6 +193,46 @@ static const struct file_operations il_dbgfs_##name##_ops = { \
.llseek = generic_file_llseek, \
};
static const char *
il_get_mgmt_string(int cmd)
{
switch (cmd) {
IL_CMD(MANAGEMENT_ASSOC_REQ);
IL_CMD(MANAGEMENT_ASSOC_RESP);
IL_CMD(MANAGEMENT_REASSOC_REQ);
IL_CMD(MANAGEMENT_REASSOC_RESP);
IL_CMD(MANAGEMENT_PROBE_REQ);
IL_CMD(MANAGEMENT_PROBE_RESP);
IL_CMD(MANAGEMENT_BEACON);
IL_CMD(MANAGEMENT_ATIM);
IL_CMD(MANAGEMENT_DISASSOC);
IL_CMD(MANAGEMENT_AUTH);
IL_CMD(MANAGEMENT_DEAUTH);
IL_CMD(MANAGEMENT_ACTION);
default:
return "UNKNOWN";
}
}
static const char *
il_get_ctrl_string(int cmd)
{
switch (cmd) {
IL_CMD(CONTROL_BACK_REQ);
IL_CMD(CONTROL_BACK);
IL_CMD(CONTROL_PSPOLL);
IL_CMD(CONTROL_RTS);
IL_CMD(CONTROL_CTS);
IL_CMD(CONTROL_ACK);
IL_CMD(CONTROL_CFEND);
IL_CMD(CONTROL_CFENDACK);
default:
return "UNKNOWN";
}
}
static ssize_t
il_dbgfs_tx_stats_read(struct file *file, char __user *user_buf, size_t count,
loff_t *ppos)
@ -714,112 +849,6 @@ DEBUGFS_READ_WRITE_FILE_OPS(interrupt);
DEBUGFS_READ_FILE_OPS(qos);
DEBUGFS_READ_WRITE_FILE_OPS(disable_ht40);
static ssize_t
il_dbgfs_traffic_log_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct il_priv *il = file->private_data;
int pos = 0, ofs = 0;
int cnt = 0, entry;
struct il_tx_queue *txq;
struct il_queue *q;
struct il_rx_queue *rxq = &il->rxq;
char *buf;
int bufsz =
((IL_TRAFFIC_ENTRIES * IL_TRAFFIC_ENTRY_SIZE * 64) * 2) +
(il->cfg->num_of_queues * 32 * 8) + 400;
const u8 *ptr;
ssize_t ret;
if (!il->txq) {
IL_ERR("txq not ready\n");
return -EAGAIN;
}
buf = kzalloc(bufsz, GFP_KERNEL);
if (!buf) {
IL_ERR("Can not allocate buffer\n");
return -ENOMEM;
}
pos += scnprintf(buf + pos, bufsz - pos, "Tx Queue\n");
for (cnt = 0; cnt < il->hw_params.max_txq_num; cnt++) {
txq = &il->txq[cnt];
q = &txq->q;
pos +=
scnprintf(buf + pos, bufsz - pos,
"q[%d]: read_ptr: %u, write_ptr: %u\n", cnt,
q->read_ptr, q->write_ptr);
}
if (il->tx_traffic && (il_debug_level & IL_DL_TX)) {
ptr = il->tx_traffic;
pos +=
scnprintf(buf + pos, bufsz - pos, "Tx Traffic idx: %u\n",
il->tx_traffic_idx);
for (cnt = 0, ofs = 0; cnt < IL_TRAFFIC_ENTRIES; cnt++) {
for (entry = 0; entry < IL_TRAFFIC_ENTRY_SIZE / 16;
entry++, ofs += 16) {
pos +=
scnprintf(buf + pos, bufsz - pos, "0x%.4x ",
ofs);
hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
buf + pos, bufsz - pos, 0);
pos += strlen(buf + pos);
if (bufsz - pos > 0)
buf[pos++] = '\n';
}
}
}
pos += scnprintf(buf + pos, bufsz - pos, "Rx Queue\n");
pos +=
scnprintf(buf + pos, bufsz - pos, "read: %u, write: %u\n",
rxq->read, rxq->write);
if (il->rx_traffic && (il_debug_level & IL_DL_RX)) {
ptr = il->rx_traffic;
pos +=
scnprintf(buf + pos, bufsz - pos, "Rx Traffic idx: %u\n",
il->rx_traffic_idx);
for (cnt = 0, ofs = 0; cnt < IL_TRAFFIC_ENTRIES; cnt++) {
for (entry = 0; entry < IL_TRAFFIC_ENTRY_SIZE / 16;
entry++, ofs += 16) {
pos +=
scnprintf(buf + pos, bufsz - pos, "0x%.4x ",
ofs);
hex_dump_to_buffer(ptr + ofs, 16, 16, 2,
buf + pos, bufsz - pos, 0);
pos += strlen(buf + pos);
if (bufsz - pos > 0)
buf[pos++] = '\n';
}
}
}
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
return ret;
}
static ssize_t
il_dbgfs_traffic_log_write(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct il_priv *il = file->private_data;
char buf[8];
int buf_size;
int traffic_log;
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", &traffic_log) != 1)
return -EFAULT;
if (traffic_log == 0)
il_reset_traffic_log(il);
return count;
}
static ssize_t
il_dbgfs_tx_queue_read(struct file *file, char __user *user_buf, size_t count,
loff_t *ppos)
@ -1303,7 +1332,6 @@ il_dbgfs_wd_timeout_write(struct file *file, const char __user *user_buf,
DEBUGFS_READ_FILE_OPS(rx_stats);
DEBUGFS_READ_FILE_OPS(tx_stats);
DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
DEBUGFS_READ_FILE_OPS(rx_queue);
DEBUGFS_READ_FILE_OPS(tx_queue);
DEBUGFS_READ_FILE_OPS(ucode_rx_stats);
@ -1357,7 +1385,6 @@ il_dbgfs_register(struct il_priv *il, const char *name)
DEBUGFS_ADD_FILE(disable_ht40, dir_data, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(rx_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(tx_stats, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(traffic_log, dir_debug, S_IWUSR | S_IRUSR);
DEBUGFS_ADD_FILE(rx_queue, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(tx_queue, dir_debug, S_IRUSR);
DEBUGFS_ADD_FILE(power_save_status, dir_debug, S_IRUSR);