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path: root/drivers/net/wireless/ath/ath9k/debug.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/debug.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c156
1 files changed, 150 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index b66f72dbf7b..9489b6b25b5 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -289,23 +289,49 @@ static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
if (sc->cur_rate_table == NULL)
return 0;
- max = 80 + sc->cur_rate_table->rate_cnt * 64;
+ max = 80 + sc->cur_rate_table->rate_cnt * 1024;
buf = kmalloc(max + 1, GFP_KERNEL);
if (buf == NULL)
return 0;
buf[max] = 0;
- len += sprintf(buf, "%5s %15s %8s %9s %3s\n\n", "Rate", "Success",
- "Retries", "XRetries", "PER");
+ len += sprintf(buf, "%6s %6s %6s "
+ "%10s %10s %10s %10s\n",
+ "HT", "MCS", "Rate",
+ "Success", "Retries", "XRetries", "PER");
for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) {
u32 ratekbps = sc->cur_rate_table->info[i].ratekbps;
struct ath_rc_stats *stats = &sc->debug.stats.rcstats[i];
+ char mcs[5];
+ char htmode[5];
+ int used_mcs = 0, used_htmode = 0;
+
+ if (WLAN_RC_PHY_HT(sc->cur_rate_table->info[i].phy)) {
+ used_mcs = snprintf(mcs, 5, "%d",
+ sc->cur_rate_table->info[i].ratecode);
+
+ if (WLAN_RC_PHY_40(sc->cur_rate_table->info[i].phy))
+ used_htmode = snprintf(htmode, 5, "HT40");
+ else if (WLAN_RC_PHY_20(sc->cur_rate_table->info[i].phy))
+ used_htmode = snprintf(htmode, 5, "HT20");
+ else
+ used_htmode = snprintf(htmode, 5, "????");
+ }
+
+ mcs[used_mcs] = '\0';
+ htmode[used_htmode] = '\0';
len += snprintf(buf + len, max - len,
- "%3u.%d: %8u %8u %8u %8u\n", ratekbps / 1000,
- (ratekbps % 1000) / 100, stats->success,
- stats->retries, stats->xretries,
+ "%6s %6s %3u.%d: "
+ "%10u %10u %10u %10u\n",
+ htmode,
+ mcs,
+ ratekbps / 1000,
+ (ratekbps % 1000) / 100,
+ stats->success,
+ stats->retries,
+ stats->xretries,
stats->per);
}
@@ -554,6 +580,116 @@ static const struct file_operations fops_xmit = {
.owner = THIS_MODULE
};
+static ssize_t read_file_recv(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+#define PHY_ERR(s, p) \
+ len += snprintf(buf + len, size - len, "%18s : %10u\n", s, \
+ sc->debug.stats.rxstats.phy_err_stats[p]);
+
+ struct ath_softc *sc = file->private_data;
+ char *buf;
+ unsigned int len = 0, size = 1152;
+ ssize_t retval = 0;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return 0;
+
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "CRC ERR",
+ sc->debug.stats.rxstats.crc_err);
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "DECRYPT CRC ERR",
+ sc->debug.stats.rxstats.decrypt_crc_err);
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "PHY ERR",
+ sc->debug.stats.rxstats.phy_err);
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "MIC ERR",
+ sc->debug.stats.rxstats.mic_err);
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "PRE-DELIM CRC ERR",
+ sc->debug.stats.rxstats.pre_delim_crc_err);
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "POST-DELIM CRC ERR",
+ sc->debug.stats.rxstats.post_delim_crc_err);
+ len += snprintf(buf + len, size - len,
+ "%18s : %10u\n", "DECRYPT BUSY ERR",
+ sc->debug.stats.rxstats.decrypt_busy_err);
+
+ PHY_ERR("UNDERRUN", ATH9K_PHYERR_UNDERRUN);
+ PHY_ERR("TIMING", ATH9K_PHYERR_TIMING);
+ PHY_ERR("PARITY", ATH9K_PHYERR_PARITY);
+ PHY_ERR("RATE", ATH9K_PHYERR_RATE);
+ PHY_ERR("LENGTH", ATH9K_PHYERR_LENGTH);
+ PHY_ERR("RADAR", ATH9K_PHYERR_RADAR);
+ PHY_ERR("SERVICE", ATH9K_PHYERR_SERVICE);
+ PHY_ERR("TOR", ATH9K_PHYERR_TOR);
+ PHY_ERR("OFDM-TIMING", ATH9K_PHYERR_OFDM_TIMING);
+ PHY_ERR("OFDM-SIGNAL-PARITY", ATH9K_PHYERR_OFDM_SIGNAL_PARITY);
+ PHY_ERR("OFDM-RATE", ATH9K_PHYERR_OFDM_RATE_ILLEGAL);
+ PHY_ERR("OFDM-LENGTH", ATH9K_PHYERR_OFDM_LENGTH_ILLEGAL);
+ PHY_ERR("OFDM-POWER-DROP", ATH9K_PHYERR_OFDM_POWER_DROP);
+ PHY_ERR("OFDM-SERVICE", ATH9K_PHYERR_OFDM_SERVICE);
+ PHY_ERR("OFDM-RESTART", ATH9K_PHYERR_OFDM_RESTART);
+ PHY_ERR("FALSE-RADAR-EXT", ATH9K_PHYERR_FALSE_RADAR_EXT);
+ PHY_ERR("CCK-TIMING", ATH9K_PHYERR_CCK_TIMING);
+ PHY_ERR("CCK-HEADER-CRC", ATH9K_PHYERR_CCK_HEADER_CRC);
+ PHY_ERR("CCK-RATE", ATH9K_PHYERR_CCK_RATE_ILLEGAL);
+ PHY_ERR("CCK-SERVICE", ATH9K_PHYERR_CCK_SERVICE);
+ PHY_ERR("CCK-RESTART", ATH9K_PHYERR_CCK_RESTART);
+ PHY_ERR("CCK-LENGTH", ATH9K_PHYERR_CCK_LENGTH_ILLEGAL);
+ PHY_ERR("CCK-POWER-DROP", ATH9K_PHYERR_CCK_POWER_DROP);
+ PHY_ERR("HT-CRC", ATH9K_PHYERR_HT_CRC_ERROR);
+ PHY_ERR("HT-LENGTH", ATH9K_PHYERR_HT_LENGTH_ILLEGAL);
+ PHY_ERR("HT-RATE", ATH9K_PHYERR_HT_RATE_ILLEGAL);
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+
+#undef PHY_ERR
+}
+
+void ath_debug_stat_rx(struct ath_softc *sc, struct ath_buf *bf)
+{
+#define RX_STAT_INC(c) sc->debug.stats.rxstats.c++
+#define RX_PHY_ERR_INC(c) sc->debug.stats.rxstats.phy_err_stats[c]++
+
+ struct ath_desc *ds = bf->bf_desc;
+ u32 phyerr;
+
+ if (ds->ds_rxstat.rs_status & ATH9K_RXERR_CRC)
+ RX_STAT_INC(crc_err);
+ if (ds->ds_rxstat.rs_status & ATH9K_RXERR_DECRYPT)
+ RX_STAT_INC(decrypt_crc_err);
+ if (ds->ds_rxstat.rs_status & ATH9K_RXERR_MIC)
+ RX_STAT_INC(mic_err);
+ if (ds->ds_rxstat.rs_status & ATH9K_RX_DELIM_CRC_PRE)
+ RX_STAT_INC(pre_delim_crc_err);
+ if (ds->ds_rxstat.rs_status & ATH9K_RX_DELIM_CRC_POST)
+ RX_STAT_INC(post_delim_crc_err);
+ if (ds->ds_rxstat.rs_status & ATH9K_RX_DECRYPT_BUSY)
+ RX_STAT_INC(decrypt_busy_err);
+
+ if (ds->ds_rxstat.rs_status & ATH9K_RXERR_PHY) {
+ RX_STAT_INC(phy_err);
+ phyerr = ds->ds_rxstat.rs_phyerr & 0x24;
+ RX_PHY_ERR_INC(phyerr);
+ }
+
+#undef RX_STAT_INC
+#undef RX_PHY_ERR_INC
+}
+
+static const struct file_operations fops_recv = {
+ .read = read_file_recv,
+ .open = ath9k_debugfs_open,
+ .owner = THIS_MODULE
+};
+
int ath9k_init_debug(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
@@ -606,6 +742,13 @@ int ath9k_init_debug(struct ath_hw *ah)
if (!sc->debug.debugfs_xmit)
goto err;
+ sc->debug.debugfs_recv = debugfs_create_file("recv",
+ S_IRUSR,
+ sc->debug.debugfs_phy,
+ sc, &fops_recv);
+ if (!sc->debug.debugfs_recv)
+ goto err;
+
return 0;
err:
ath9k_exit_debug(ah);
@@ -617,6 +760,7 @@ void ath9k_exit_debug(struct ath_hw *ah)
struct ath_common *common = ath9k_hw_common(ah);
struct ath_softc *sc = (struct ath_softc *) common->priv;
+ debugfs_remove(sc->debug.debugfs_recv);
debugfs_remove(sc->debug.debugfs_xmit);
debugfs_remove(sc->debug.debugfs_wiphy);
debugfs_remove(sc->debug.debugfs_rcstat);