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path: root/drivers/net/wireless/ath/ath5k/debug.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath5k/debug.c')
-rw-r--r--drivers/net/wireless/ath/ath5k/debug.c162
1 files changed, 162 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index 90247dc7419..6fb5c5ffa5b 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -69,6 +69,7 @@ module_param_named(debug, ath5k_debug, uint, 0);
#include <linux/seq_file.h>
#include "reg.h"
+#include "ani.h"
static struct dentry *ath5k_global_debugfs;
@@ -307,6 +308,7 @@ static const struct {
{ ATH5K_DEBUG_DUMP_TX, "dumptx", "print transmit skb content" },
{ ATH5K_DEBUG_DUMPBANDS, "dumpbands", "dump bands" },
{ ATH5K_DEBUG_TRACE, "trace", "trace function calls" },
+ { ATH5K_DEBUG_ANI, "ani", "adaptive noise immunity" },
{ ATH5K_DEBUG_ANY, "all", "show all debug levels" },
};
@@ -573,6 +575,160 @@ static const struct file_operations fops_frameerrors = {
};
+/* debugfs: ani */
+
+static ssize_t read_file_ani(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath5k_softc *sc = file->private_data;
+ struct ath5k_statistics *st = &sc->stats;
+ struct ath5k_ani_state *as = &sc->ani_state;
+
+ char buf[700];
+ unsigned int len = 0;
+
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "HW has PHY error counters:\t%s\n",
+ sc->ah->ah_capabilities.cap_has_phyerr_counters ?
+ "yes" : "no");
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "HW max spur immunity level:\t%d\n",
+ as->max_spur_level);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "\nANI state\n--------------------------------------------\n");
+ len += snprintf(buf+len, sizeof(buf)-len, "operating mode:\t\t\t");
+ switch (as->ani_mode) {
+ case ATH5K_ANI_MODE_OFF:
+ len += snprintf(buf+len, sizeof(buf)-len, "OFF\n");
+ break;
+ case ATH5K_ANI_MODE_MANUAL_LOW:
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "MANUAL LOW\n");
+ break;
+ case ATH5K_ANI_MODE_MANUAL_HIGH:
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "MANUAL HIGH\n");
+ break;
+ case ATH5K_ANI_MODE_AUTO:
+ len += snprintf(buf+len, sizeof(buf)-len, "AUTO\n");
+ break;
+ default:
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "??? (not good)\n");
+ break;
+ }
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "noise immunity level:\t\t%d\n",
+ as->noise_imm_level);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "spur immunity level:\t\t%d\n",
+ as->spur_level);
+ len += snprintf(buf+len, sizeof(buf)-len, "firstep level:\t\t\t%d\n",
+ as->firstep_level);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "OFDM weak signal detection:\t%s\n",
+ as->ofdm_weak_sig ? "on" : "off");
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "CCK weak signal detection:\t%s\n",
+ as->cck_weak_sig ? "on" : "off");
+
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "\nMIB INTERRUPTS:\t\t%u\n",
+ st->mib_intr);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "beacon RSSI average:\t%d\n",
+ sc->ah->ah_beacon_rssi_avg.avg);
+ len += snprintf(buf+len, sizeof(buf)-len, "profcnt tx\t\t%u\t(%d%%)\n",
+ as->pfc_tx,
+ as->pfc_cycles > 0 ?
+ as->pfc_tx*100/as->pfc_cycles : 0);
+ len += snprintf(buf+len, sizeof(buf)-len, "profcnt rx\t\t%u\t(%d%%)\n",
+ as->pfc_rx,
+ as->pfc_cycles > 0 ?
+ as->pfc_rx*100/as->pfc_cycles : 0);
+ len += snprintf(buf+len, sizeof(buf)-len, "profcnt busy\t\t%u\t(%d%%)\n",
+ as->pfc_busy,
+ as->pfc_cycles > 0 ?
+ as->pfc_busy*100/as->pfc_cycles : 0);
+ len += snprintf(buf+len, sizeof(buf)-len, "profcnt cycles\t\t%u\n",
+ as->pfc_cycles);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "listen time\t\t%d\tlast: %d\n",
+ as->listen_time, as->last_listen);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "OFDM errors\t\t%u\tlast: %u\tsum: %u\n",
+ as->ofdm_errors, as->last_ofdm_errors,
+ as->sum_ofdm_errors);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "CCK errors\t\t%u\tlast: %u\tsum: %u\n",
+ as->cck_errors, as->last_cck_errors,
+ as->sum_cck_errors);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "AR5K_PHYERR_CNT1\t%x\t(=%d)\n",
+ ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1),
+ ATH5K_ANI_OFDM_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
+ ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT1)));
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "AR5K_PHYERR_CNT2\t%x\t(=%d)\n",
+ ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2),
+ ATH5K_ANI_CCK_TRIG_HIGH - (ATH5K_PHYERR_CNT_MAX -
+ ath5k_hw_reg_read(sc->ah, AR5K_PHYERR_CNT2)));
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_ani(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ath5k_softc *sc = file->private_data;
+ char buf[20];
+
+ if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
+ return -EFAULT;
+
+ if (strncmp(buf, "sens-low", 8) == 0) {
+ ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_HIGH);
+ } else if (strncmp(buf, "sens-high", 9) == 0) {
+ ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_MANUAL_LOW);
+ } else if (strncmp(buf, "ani-off", 7) == 0) {
+ ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_OFF);
+ } else if (strncmp(buf, "ani-on", 6) == 0) {
+ ath5k_ani_init(sc->ah, ATH5K_ANI_MODE_AUTO);
+ } else if (strncmp(buf, "noise-low", 9) == 0) {
+ ath5k_ani_set_noise_immunity_level(sc->ah, 0);
+ } else if (strncmp(buf, "noise-high", 10) == 0) {
+ ath5k_ani_set_noise_immunity_level(sc->ah,
+ ATH5K_ANI_MAX_NOISE_IMM_LVL);
+ } else if (strncmp(buf, "spur-low", 8) == 0) {
+ ath5k_ani_set_spur_immunity_level(sc->ah, 0);
+ } else if (strncmp(buf, "spur-high", 9) == 0) {
+ ath5k_ani_set_spur_immunity_level(sc->ah,
+ sc->ani_state.max_spur_level);
+ } else if (strncmp(buf, "fir-low", 7) == 0) {
+ ath5k_ani_set_firstep_level(sc->ah, 0);
+ } else if (strncmp(buf, "fir-high", 8) == 0) {
+ ath5k_ani_set_firstep_level(sc->ah, ATH5K_ANI_MAX_FIRSTEP_LVL);
+ } else if (strncmp(buf, "ofdm-off", 8) == 0) {
+ ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, false);
+ } else if (strncmp(buf, "ofdm-on", 7) == 0) {
+ ath5k_ani_set_ofdm_weak_signal_detection(sc->ah, true);
+ } else if (strncmp(buf, "cck-off", 7) == 0) {
+ ath5k_ani_set_cck_weak_signal_detection(sc->ah, false);
+ } else if (strncmp(buf, "cck-on", 6) == 0) {
+ ath5k_ani_set_cck_weak_signal_detection(sc->ah, true);
+ }
+ return count;
+}
+
+static const struct file_operations fops_ani = {
+ .read = read_file_ani,
+ .write = write_file_ani,
+ .open = ath5k_debugfs_open,
+ .owner = THIS_MODULE,
+};
+
+
/* init */
void
@@ -611,6 +767,11 @@ ath5k_debug_init_device(struct ath5k_softc *sc)
S_IWUSR | S_IRUSR,
sc->debug.debugfs_phydir, sc,
&fops_frameerrors);
+
+ sc->debug.debugfs_ani = debugfs_create_file("ani",
+ S_IWUSR | S_IRUSR,
+ sc->debug.debugfs_phydir, sc,
+ &fops_ani);
}
void
@@ -628,6 +789,7 @@ ath5k_debug_finish_device(struct ath5k_softc *sc)
debugfs_remove(sc->debug.debugfs_reset);
debugfs_remove(sc->debug.debugfs_antenna);
debugfs_remove(sc->debug.debugfs_frameerrors);
+ debugfs_remove(sc->debug.debugfs_ani);
debugfs_remove(sc->debug.debugfs_phydir);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-22 22:11:32 +0000