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path: root/drivers/net/wireless/iwlegacy/debug.c
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Diffstat (limited to 'drivers/net/wireless/iwlegacy/debug.c')
-rw-r--r--drivers/net/wireless/iwlegacy/debug.c243
1 files changed, 135 insertions, 108 deletions
diff --git a/drivers/net/wireless/iwlegacy/debug.c b/drivers/net/wireless/iwlegacy/debug.c
index be6005da785d..236dc90b035b 100644
--- a/drivers/net/wireless/iwlegacy/debug.c
+++ b/drivers/net/wireless/iwlegacy/debug.c
@@ -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)
@@ -715,112 +850,6 @@ 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);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-08 13:32:06 +0000