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 b66f72dbf7b9..9489b6b25b5f 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);