1 files changed, 212 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index 747508c15d34..bccd4a78027e 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -364,6 +364,207 @@ 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;
+
+        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);
+        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,
+};
+
+
 /* init */
 
 void
@@ -393,6 +594,15 @@ 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);
 }
 
 void
@@ -408,6 +618,8 @@ 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_phydir);
 }