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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.c382
1 files changed, 382 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index 747508c15d34..6fb5c5ffa5b1 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" },
};
@@ -364,6 +366,369 @@ static const struct file_operations fops_debug = {
};
+/* debugfs: antenna */
+
+static ssize_t read_file_antenna(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath5k_softc *sc = file->private_data;
+ char buf[700];
+ unsigned int len = 0;
+ unsigned int i;
+ unsigned int v;
+
+ len += snprintf(buf+len, sizeof(buf)-len, "antenna mode\t%d\n",
+ sc->ah->ah_ant_mode);
+ len += snprintf(buf+len, sizeof(buf)-len, "default antenna\t%d\n",
+ sc->ah->ah_def_ant);
+ len += snprintf(buf+len, sizeof(buf)-len, "tx antenna\t%d\n",
+ sc->ah->ah_tx_ant);
+
+ len += snprintf(buf+len, sizeof(buf)-len, "\nANTENNA\t\tRX\tTX\n");
+ for (i = 1; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "[antenna %d]\t%d\t%d\n",
+ i, sc->stats.antenna_rx[i], sc->stats.antenna_tx[i]);
+ }
+ len += snprintf(buf+len, sizeof(buf)-len, "[invalid]\t%d\t%d\n",
+ sc->stats.antenna_rx[0], sc->stats.antenna_tx[0]);
+
+ v = ath5k_hw_reg_read(sc->ah, AR5K_DEFAULT_ANTENNA);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "\nAR5K_DEFAULT_ANTENNA\t0x%08x\n", v);
+
+ v = ath5k_hw_reg_read(sc->ah, AR5K_STA_ID1);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "AR5K_STA_ID1_DEFAULT_ANTENNA\t%d\n",
+ (v & AR5K_STA_ID1_DEFAULT_ANTENNA) != 0);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "AR5K_STA_ID1_DESC_ANTENNA\t%d\n",
+ (v & AR5K_STA_ID1_DESC_ANTENNA) != 0);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "AR5K_STA_ID1_RTS_DEF_ANTENNA\t%d\n",
+ (v & AR5K_STA_ID1_RTS_DEF_ANTENNA) != 0);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "AR5K_STA_ID1_SELFGEN_DEF_ANT\t%d\n",
+ (v & AR5K_STA_ID1_SELFGEN_DEF_ANT) != 0);
+
+ v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_AGCCTL);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "\nAR5K_PHY_AGCCTL_OFDM_DIV_DIS\t%d\n",
+ (v & AR5K_PHY_AGCCTL_OFDM_DIV_DIS) != 0);
+
+ v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_RESTART);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "AR5K_PHY_RESTART_DIV_GC\t\t%x\n",
+ (v & AR5K_PHY_RESTART_DIV_GC) >> AR5K_PHY_RESTART_DIV_GC_S);
+
+ v = ath5k_hw_reg_read(sc->ah, AR5K_PHY_FAST_ANT_DIV);
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "AR5K_PHY_FAST_ANT_DIV_EN\t%d\n",
+ (v & AR5K_PHY_FAST_ANT_DIV_EN) != 0);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_antenna(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ath5k_softc *sc = file->private_data;
+ unsigned int i;
+ char buf[20];
+
+ if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
+ return -EFAULT;
+
+ if (strncmp(buf, "diversity", 9) == 0) {
+ ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT);
+ printk(KERN_INFO "ath5k debug: enable diversity\n");
+ } else if (strncmp(buf, "fixed-a", 7) == 0) {
+ ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A);
+ printk(KERN_INFO "ath5k debugfs: fixed antenna A\n");
+ } else if (strncmp(buf, "fixed-b", 7) == 0) {
+ ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B);
+ printk(KERN_INFO "ath5k debug: fixed antenna B\n");
+ } else if (strncmp(buf, "clear", 5) == 0) {
+ for (i = 0; i < ARRAY_SIZE(sc->stats.antenna_rx); i++) {
+ sc->stats.antenna_rx[i] = 0;
+ sc->stats.antenna_tx[i] = 0;
+ }
+ printk(KERN_INFO "ath5k debug: cleared antenna stats\n");
+ }
+ return count;
+}
+
+static const struct file_operations fops_antenna = {
+ .read = read_file_antenna,
+ .write = write_file_antenna,
+ .open = ath5k_debugfs_open,
+ .owner = THIS_MODULE,
+};
+
+
+/* debugfs: frameerrors */
+
+static ssize_t read_file_frameerrors(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;
+ char buf[700];
+ unsigned int len = 0;
+ int i;
+
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "RX\n---------------------\n");
+ len += snprintf(buf+len, sizeof(buf)-len, "CRC\t%d\t(%d%%)\n",
+ st->rxerr_crc,
+ st->rx_all_count > 0 ?
+ st->rxerr_crc*100/st->rx_all_count : 0);
+ len += snprintf(buf+len, sizeof(buf)-len, "PHY\t%d\t(%d%%)\n",
+ st->rxerr_phy,
+ st->rx_all_count > 0 ?
+ st->rxerr_phy*100/st->rx_all_count : 0);
+ for (i = 0; i < 32; i++) {
+ if (st->rxerr_phy_code[i])
+ len += snprintf(buf+len, sizeof(buf)-len,
+ " phy_err[%d]\t%d\n",
+ i, st->rxerr_phy_code[i]);
+ }
+
+ len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n",
+ st->rxerr_fifo,
+ st->rx_all_count > 0 ?
+ st->rxerr_fifo*100/st->rx_all_count : 0);
+ len += snprintf(buf+len, sizeof(buf)-len, "decrypt\t%d\t(%d%%)\n",
+ st->rxerr_decrypt,
+ st->rx_all_count > 0 ?
+ st->rxerr_decrypt*100/st->rx_all_count : 0);
+ len += snprintf(buf+len, sizeof(buf)-len, "MIC\t%d\t(%d%%)\n",
+ st->rxerr_mic,
+ st->rx_all_count > 0 ?
+ st->rxerr_mic*100/st->rx_all_count : 0);
+ len += snprintf(buf+len, sizeof(buf)-len, "process\t%d\t(%d%%)\n",
+ st->rxerr_proc,
+ st->rx_all_count > 0 ?
+ st->rxerr_proc*100/st->rx_all_count : 0);
+ len += snprintf(buf+len, sizeof(buf)-len, "jumbo\t%d\t(%d%%)\n",
+ st->rxerr_jumbo,
+ st->rx_all_count > 0 ?
+ st->rxerr_jumbo*100/st->rx_all_count : 0);
+ len += snprintf(buf+len, sizeof(buf)-len, "[RX all\t%d]\n",
+ st->rx_all_count);
+
+ len += snprintf(buf+len, sizeof(buf)-len,
+ "\nTX\n---------------------\n");
+ len += snprintf(buf+len, sizeof(buf)-len, "retry\t%d\t(%d%%)\n",
+ st->txerr_retry,
+ st->tx_all_count > 0 ?
+ st->txerr_retry*100/st->tx_all_count : 0);
+ len += snprintf(buf+len, sizeof(buf)-len, "FIFO\t%d\t(%d%%)\n",
+ st->txerr_fifo,
+ st->tx_all_count > 0 ?
+ st->txerr_fifo*100/st->tx_all_count : 0);
+ len += snprintf(buf+len, sizeof(buf)-len, "filter\t%d\t(%d%%)\n",
+ st->txerr_filt,
+ st->tx_all_count > 0 ?
+ st->txerr_filt*100/st->tx_all_count : 0);
+ len += snprintf(buf+len, sizeof(buf)-len, "[TX all\t%d]\n",
+ st->tx_all_count);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_frameerrors(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ath5k_softc *sc = file->private_data;
+ struct ath5k_statistics *st = &sc->stats;
+ char buf[20];
+
+ if (copy_from_user(buf, userbuf, min(count, sizeof(buf))))
+ return -EFAULT;
+
+ if (strncmp(buf, "clear", 5) == 0) {
+ st->rxerr_crc = 0;
+ st->rxerr_phy = 0;
+ st->rxerr_fifo = 0;
+ st->rxerr_decrypt = 0;
+ st->rxerr_mic = 0;
+ st->rxerr_proc = 0;
+ st->rxerr_jumbo = 0;
+ st->rx_all_count = 0;
+ st->txerr_retry = 0;
+ st->txerr_fifo = 0;
+ st->txerr_filt = 0;
+ st->tx_all_count = 0;
+ printk(KERN_INFO "ath5k debug: cleared frameerrors stats\n");
+ }
+ return count;
+}
+
+static const struct file_operations fops_frameerrors = {
+ .read = read_file_frameerrors,
+ .write = write_file_frameerrors,
+ .open = ath5k_debugfs_open,
+ .owner = THIS_MODULE,
+};
+
+
+/* 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
@@ -393,6 +758,20 @@ ath5k_debug_init_device(struct ath5k_softc *sc)
sc->debug.debugfs_reset = debugfs_create_file("reset", S_IWUSR,
sc->debug.debugfs_phydir, sc, &fops_reset);
+
+ sc->debug.debugfs_antenna = debugfs_create_file("antenna",
+ S_IWUSR | S_IRUSR,
+ sc->debug.debugfs_phydir, sc, &fops_antenna);
+
+ sc->debug.debugfs_frameerrors = debugfs_create_file("frameerrors",
+ 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
@@ -408,6 +787,9 @@ ath5k_debug_finish_device(struct ath5k_softc *sc)
debugfs_remove(sc->debug.debugfs_registers);
debugfs_remove(sc->debug.debugfs_beacon);
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 (git 2.39.1) at 2024-12-24 05:10:48 +0000