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path: root/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/htc_drv_debug.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/htc_drv_debug.c524
1 files changed, 524 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
new file mode 100644
index 0000000..dc79afd
--- /dev/null
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
@@ -0,0 +1,524 @@
+/*
+ * Copyright (c) 2010-2011 Atheros Communications Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "htc.h"
+
+static ssize_t read_file_tgt_int_stats(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath9k_htc_priv *priv = file->private_data;
+ struct ath9k_htc_target_int_stats cmd_rsp;
+ char buf[512];
+ unsigned int len = 0;
+ int ret = 0;
+
+ memset(&cmd_rsp, 0, sizeof(cmd_rsp));
+
+ ath9k_htc_ps_wakeup(priv);
+
+ WMI_CMD(WMI_INT_STATS_CMDID);
+ if (ret) {
+ ath9k_htc_ps_restore(priv);
+ return -EINVAL;
+ }
+
+ ath9k_htc_ps_restore(priv);
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "RX",
+ be32_to_cpu(cmd_rsp.rx));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "RXORN",
+ be32_to_cpu(cmd_rsp.rxorn));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "RXEOL",
+ be32_to_cpu(cmd_rsp.rxeol));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "TXURN",
+ be32_to_cpu(cmd_rsp.txurn));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "TXTO",
+ be32_to_cpu(cmd_rsp.txto));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "CST",
+ be32_to_cpu(cmd_rsp.cst));
+
+ if (len > sizeof(buf))
+ len = sizeof(buf);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_tgt_int_stats = {
+ .read = read_file_tgt_int_stats,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_tgt_tx_stats(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath9k_htc_priv *priv = file->private_data;
+ struct ath9k_htc_target_tx_stats cmd_rsp;
+ char buf[512];
+ unsigned int len = 0;
+ int ret = 0;
+
+ memset(&cmd_rsp, 0, sizeof(cmd_rsp));
+
+ ath9k_htc_ps_wakeup(priv);
+
+ WMI_CMD(WMI_TX_STATS_CMDID);
+ if (ret) {
+ ath9k_htc_ps_restore(priv);
+ return -EINVAL;
+ }
+
+ ath9k_htc_ps_restore(priv);
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "Xretries",
+ be32_to_cpu(cmd_rsp.xretries));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "FifoErr",
+ be32_to_cpu(cmd_rsp.fifoerr));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "Filtered",
+ be32_to_cpu(cmd_rsp.filtered));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "TimerExp",
+ be32_to_cpu(cmd_rsp.timer_exp));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "ShortRetries",
+ be32_to_cpu(cmd_rsp.shortretries));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "LongRetries",
+ be32_to_cpu(cmd_rsp.longretries));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "QueueNull",
+ be32_to_cpu(cmd_rsp.qnull));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "EncapFail",
+ be32_to_cpu(cmd_rsp.encap_fail));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "NoBuf",
+ be32_to_cpu(cmd_rsp.nobuf));
+
+ if (len > sizeof(buf))
+ len = sizeof(buf);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_tgt_tx_stats = {
+ .read = read_file_tgt_tx_stats,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_tgt_rx_stats(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath9k_htc_priv *priv = file->private_data;
+ struct ath9k_htc_target_rx_stats cmd_rsp;
+ char buf[512];
+ unsigned int len = 0;
+ int ret = 0;
+
+ memset(&cmd_rsp, 0, sizeof(cmd_rsp));
+
+ ath9k_htc_ps_wakeup(priv);
+
+ WMI_CMD(WMI_RX_STATS_CMDID);
+ if (ret) {
+ ath9k_htc_ps_restore(priv);
+ return -EINVAL;
+ }
+
+ ath9k_htc_ps_restore(priv);
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "NoBuf",
+ be32_to_cpu(cmd_rsp.nobuf));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "HostSend",
+ be32_to_cpu(cmd_rsp.host_send));
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "HostDone",
+ be32_to_cpu(cmd_rsp.host_done));
+
+ if (len > sizeof(buf))
+ len = sizeof(buf);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_tgt_rx_stats = {
+ .read = read_file_tgt_rx_stats,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath9k_htc_priv *priv = file->private_data;
+ char buf[512];
+ unsigned int len = 0;
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "Buffers queued",
+ priv->debug.tx_stats.buf_queued);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "Buffers completed",
+ priv->debug.tx_stats.buf_completed);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "SKBs queued",
+ priv->debug.tx_stats.skb_queued);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "SKBs success",
+ priv->debug.tx_stats.skb_success);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "SKBs failed",
+ priv->debug.tx_stats.skb_failed);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "CAB queued",
+ priv->debug.tx_stats.cab_queued);
+
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "BE queued",
+ priv->debug.tx_stats.queue_stats[IEEE80211_AC_BE]);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "BK queued",
+ priv->debug.tx_stats.queue_stats[IEEE80211_AC_BK]);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "VI queued",
+ priv->debug.tx_stats.queue_stats[IEEE80211_AC_VI]);
+ len += scnprintf(buf + len, sizeof(buf) - len,
+ "%20s : %10u\n", "VO queued",
+ priv->debug.tx_stats.queue_stats[IEEE80211_AC_VO]);
+
+ if (len > sizeof(buf))
+ len = sizeof(buf);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_xmit = {
+ .read = read_file_xmit,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+void ath9k_htc_err_stat_rx(struct ath9k_htc_priv *priv,
+ struct ath_rx_status *rs)
+{
+ ath9k_cmn_debug_stat_rx(&priv->debug.rx_stats, rs);
+}
+
+static ssize_t read_file_skb_rx(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath9k_htc_priv *priv = file->private_data;
+ char *buf;
+ unsigned int len = 0, size = 1500;
+ ssize_t retval = 0;
+
+ buf = kzalloc(size, GFP_KERNEL);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ len += scnprintf(buf + len, size - len,
+ "%20s : %10u\n", "SKBs allocated",
+ priv->debug.skbrx_stats.skb_allocated);
+ len += scnprintf(buf + len, size - len,
+ "%20s : %10u\n", "SKBs completed",
+ priv->debug.skbrx_stats.skb_completed);
+ len += scnprintf(buf + len, size - len,
+ "%20s : %10u\n", "SKBs Dropped",
+ priv->debug.skbrx_stats.skb_dropped);
+
+ if (len > size)
+ len = size;
+
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+
+ return retval;
+}
+
+static const struct file_operations fops_skb_rx = {
+ .read = read_file_skb_rx,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_slot(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath9k_htc_priv *priv = file->private_data;
+ char buf[512];
+ unsigned int len;
+
+ spin_lock_bh(&priv->tx.tx_lock);
+ len = scnprintf(buf, sizeof(buf),
+ "TX slot bitmap : %*pb\n"
+ "Used slots : %d\n",
+ MAX_TX_BUF_NUM, priv->tx.tx_slot,
+ bitmap_weight(priv->tx.tx_slot, MAX_TX_BUF_NUM));
+ spin_unlock_bh(&priv->tx.tx_lock);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_slot = {
+ .read = read_file_slot,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_queue(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath9k_htc_priv *priv = file->private_data;
+ char buf[512];
+ unsigned int len = 0;
+
+ len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
+ "Mgmt endpoint", skb_queue_len(&priv->tx.mgmt_ep_queue));
+
+ len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
+ "Cab endpoint", skb_queue_len(&priv->tx.cab_ep_queue));
+
+ len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
+ "Data BE endpoint", skb_queue_len(&priv->tx.data_be_queue));
+
+ len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
+ "Data BK endpoint", skb_queue_len(&priv->tx.data_bk_queue));
+
+ len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
+ "Data VI endpoint", skb_queue_len(&priv->tx.data_vi_queue));
+
+ len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
+ "Data VO endpoint", skb_queue_len(&priv->tx.data_vo_queue));
+
+ len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
+ "Failed queue", skb_queue_len(&priv->tx.tx_failed));
+
+ spin_lock_bh(&priv->tx.tx_lock);
+ len += scnprintf(buf + len, sizeof(buf) - len, "%20s : %10u\n",
+ "Queued count", priv->tx.queued_cnt);
+ spin_unlock_bh(&priv->tx.tx_lock);
+
+ if (len > sizeof(buf))
+ len = sizeof(buf);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+
+}
+
+static const struct file_operations fops_queue = {
+ .read = read_file_queue,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+static ssize_t read_file_debug(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath9k_htc_priv *priv = file->private_data;
+ struct ath_common *common = ath9k_hw_common(priv->ah);
+ char buf[32];
+ unsigned int len;
+
+ len = sprintf(buf, "0x%08x\n", common->debug_mask);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath9k_htc_priv *priv = file->private_data;
+ struct ath_common *common = ath9k_hw_common(priv->ah);
+ unsigned long mask;
+ char buf[32];
+ ssize_t len;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+
+ buf[len] = '\0';
+ if (kstrtoul(buf, 0, &mask))
+ return -EINVAL;
+
+ common->debug_mask = mask;
+ return count;
+}
+
+static const struct file_operations fops_debug = {
+ .read = read_file_debug,
+ .write = write_file_debug,
+ .open = simple_open,
+ .owner = THIS_MODULE,
+ .llseek = default_llseek,
+};
+
+/* Ethtool support for get-stats */
+#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
+static const char ath9k_htc_gstrings_stats[][ETH_GSTRING_LEN] = {
+ "tx_pkts_nic",
+ "tx_bytes_nic",
+ "rx_pkts_nic",
+ "rx_bytes_nic",
+
+ AMKSTR(d_tx_pkts),
+
+ "d_rx_crc_err",
+ "d_rx_decrypt_crc_err",
+ "d_rx_phy_err",
+ "d_rx_mic_err",
+ "d_rx_pre_delim_crc_err",
+ "d_rx_post_delim_crc_err",
+ "d_rx_decrypt_busy_err",
+
+ "d_rx_phyerr_radar",
+ "d_rx_phyerr_ofdm_timing",
+ "d_rx_phyerr_cck_timing",
+
+};
+#define ATH9K_HTC_SSTATS_LEN ARRAY_SIZE(ath9k_htc_gstrings_stats)
+
+void ath9k_htc_get_et_strings(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ u32 sset, u8 *data)
+{
+ if (sset == ETH_SS_STATS)
+ memcpy(data, *ath9k_htc_gstrings_stats,
+ sizeof(ath9k_htc_gstrings_stats));
+}
+
+int ath9k_htc_get_et_sset_count(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif, int sset)
+{
+ if (sset == ETH_SS_STATS)
+ return ATH9K_HTC_SSTATS_LEN;
+ return 0;
+}
+
+#define STXBASE priv->debug.tx_stats
+#define SRXBASE priv->debug.rx_stats
+#define SKBTXBASE priv->debug.tx_stats
+#define SKBRXBASE priv->debug.skbrx_stats
+#define ASTXQ(a) \
+ data[i++] = STXBASE.a[IEEE80211_AC_BE]; \
+ data[i++] = STXBASE.a[IEEE80211_AC_BK]; \
+ data[i++] = STXBASE.a[IEEE80211_AC_VI]; \
+ data[i++] = STXBASE.a[IEEE80211_AC_VO]
+
+void ath9k_htc_get_et_stats(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct ath9k_htc_priv *priv = hw->priv;
+ int i = 0;
+
+ data[i++] = SKBTXBASE.skb_success;
+ data[i++] = SKBTXBASE.skb_success_bytes;
+ data[i++] = SKBRXBASE.skb_completed;
+ data[i++] = SKBRXBASE.skb_completed_bytes;
+
+ ASTXQ(queue_stats);
+
+ data[i++] = SRXBASE.crc_err;
+ data[i++] = SRXBASE.decrypt_crc_err;
+ data[i++] = SRXBASE.phy_err;
+ data[i++] = SRXBASE.mic_err;
+ data[i++] = SRXBASE.pre_delim_crc_err;
+ data[i++] = SRXBASE.post_delim_crc_err;
+ data[i++] = SRXBASE.decrypt_busy_err;
+
+ data[i++] = SRXBASE.phy_err_stats[ATH9K_PHYERR_RADAR];
+ data[i++] = SRXBASE.phy_err_stats[ATH9K_PHYERR_OFDM_TIMING];
+ data[i++] = SRXBASE.phy_err_stats[ATH9K_PHYERR_CCK_TIMING];
+
+ WARN_ON(i != ATH9K_HTC_SSTATS_LEN);
+}
+
+void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv)
+{
+ ath9k_cmn_spectral_deinit_debug(&priv->spec_priv);
+}
+
+int ath9k_htc_init_debug(struct ath_hw *ah)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv;
+
+ priv->debug.debugfs_phy = debugfs_create_dir(KBUILD_MODNAME,
+ priv->hw->wiphy->debugfsdir);
+ if (!priv->debug.debugfs_phy)
+ return -ENOMEM;
+
+ ath9k_cmn_spectral_init_debug(&priv->spec_priv, priv->debug.debugfs_phy);
+
+ debugfs_create_file("tgt_int_stats", S_IRUSR, priv->debug.debugfs_phy,
+ priv, &fops_tgt_int_stats);
+ debugfs_create_file("tgt_tx_stats", S_IRUSR, priv->debug.debugfs_phy,
+ priv, &fops_tgt_tx_stats);
+ debugfs_create_file("tgt_rx_stats", S_IRUSR, priv->debug.debugfs_phy,
+ priv, &fops_tgt_rx_stats);
+ debugfs_create_file("xmit", S_IRUSR, priv->debug.debugfs_phy,
+ priv, &fops_xmit);
+ debugfs_create_file("skb_rx", S_IRUSR, priv->debug.debugfs_phy,
+ priv, &fops_skb_rx);
+
+ ath9k_cmn_debug_recv(priv->debug.debugfs_phy, &priv->debug.rx_stats);
+ ath9k_cmn_debug_phy_err(priv->debug.debugfs_phy, &priv->debug.rx_stats);
+
+ debugfs_create_file("slot", S_IRUSR, priv->debug.debugfs_phy,
+ priv, &fops_slot);
+ debugfs_create_file("queue", S_IRUSR, priv->debug.debugfs_phy,
+ priv, &fops_queue);
+ debugfs_create_file("debug", S_IRUSR | S_IWUSR, priv->debug.debugfs_phy,
+ priv, &fops_debug);
+
+ ath9k_cmn_debug_base_eeprom(priv->debug.debugfs_phy, priv->ah);
+ ath9k_cmn_debug_modal_eeprom(priv->debug.debugfs_phy, priv->ah);
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-19 13:54:16 +0000