[04/10] iwlagn: add bluetooth stats to debugfs

Message ID	1279901739-10541-5-git-send-email-wey-yi.w.guy@intel.com (mailing list archive)
State	Not Applicable, archived
Headers	show Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o6NGDuGg007474 for <patchwork-linux-wireless@patchwork.kernel.org>; Fri, 23 Jul 2010 16:14:37 GMT From: Wey-Yi Guy <wey-yi.w.guy@intel.com> To: linville@tuxdriver.com Cc: linux-wireless@vger.kernel.org, ipw3945-devel@lists.sourceforge.net, Wey-Yi Guy <wey-yi.w.guy@intel.com> Subject: [PATCH 04/10] iwlagn: add bluetooth stats to debugfs Date: Fri, 23 Jul 2010 09:15:33 -0700 Message-Id: <1279901739-10541-5-git-send-email-wey-yi.w.guy@intel.com> In-Reply-To: <1279901739-10541-1-git-send-email-wey-yi.w.guy@intel.com> References: <1279901739-10541-1-git-send-email-wey-yi.w.guy@intel.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c index c281d07..8848333 100644 --- a/drivers/net/wireless/iwlwifi/iwl-1000.c +++ b/drivers/net/wireless/iwlwifi/iwl-1000.c @@ -222,6 +222,7 @@ static struct iwl_lib_ops iwl1000_lib = { .rx_stats_read = iwl_ucode_rx_stats_read, .tx_stats_read = iwl_ucode_tx_stats_read, .general_stats_read = iwl_ucode_general_stats_read, + .bt_stats_read = iwl_ucode_bt_stats_read, }, .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 27a776f..d6531ad 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -2285,6 +2285,7 @@ static struct iwl_lib_ops iwl4965_lib = { .rx_stats_read = iwl_ucode_rx_stats_read, .tx_stats_read = iwl_ucode_tx_stats_read, .general_stats_read = iwl_ucode_general_stats_read, + .bt_stats_read = iwl_ucode_bt_stats_read, }, .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index a7077cd..8093ce2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -398,6 +398,7 @@ static struct iwl_lib_ops iwl5000_lib = { .rx_stats_read = iwl_ucode_rx_stats_read, .tx_stats_read = iwl_ucode_tx_stats_read, .general_stats_read = iwl_ucode_general_stats_read, + .bt_stats_read = iwl_ucode_bt_stats_read, }, .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index a4e58d8..5827052 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -323,6 +323,7 @@ static struct iwl_lib_ops iwl6000_lib = { .rx_stats_read = iwl_ucode_rx_stats_read, .tx_stats_read = iwl_ucode_tx_stats_read, .general_stats_read = iwl_ucode_general_stats_read, + .bt_stats_read = iwl_ucode_bt_stats_read, }, .recover_from_tx_stall = iwl_bg_monitor_recover, .check_plcp_health = iwl_good_plcp_health, diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c index 19d1e5e..f052c6d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c @@ -924,3 +924,90 @@ ssize_t iwl_ucode_general_stats_read(struct file *file, char __user *user_buf, kfree(buf); return ret; } + +ssize_t iwl_ucode_bt_stats_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = (struct iwl_priv *)file->private_data; + int pos = 0; + char *buf; + int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200; + ssize_t ret; + struct statistics_bt_activity *bt, *accum_bt; + + if (!iwl_is_alive(priv)) + return -EAGAIN; + + /* make request to uCode to retrieve statistics information */ + mutex_lock(&priv->mutex); + ret = iwl_send_statistics_request(priv, CMD_SYNC, false); + mutex_unlock(&priv->mutex); + + if (ret) { + IWL_ERR(priv, + "Error sending statistics request: %zd\n", ret); + return -EAGAIN; + } + buf = kzalloc(bufsz, GFP_KERNEL); + if (!buf) { + IWL_ERR(priv, "Can not allocate Buffer\n"); + return -ENOMEM; + } + + /* + * the statistic information display here is based on + * the last statistics notification from uCode + * might not reflect the current uCode activity + */ + bt = &priv->_agn.statistics_bt.general.activity; + accum_bt = &priv->_agn.accum_statistics_bt.general.activity; + + pos += iwl_statistics_flag(priv, buf, bufsz); + pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n"); + pos += scnprintf(buf + pos, bufsz - pos, + "\t\t\tcurrent\t\t\taccumulative\n"); + pos += scnprintf(buf + pos, bufsz - pos, + "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", + le32_to_cpu(bt->hi_priority_tx_req_cnt), + accum_bt->hi_priority_tx_req_cnt); + pos += scnprintf(buf + pos, bufsz - pos, + "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n", + le32_to_cpu(bt->hi_priority_tx_denied_cnt), + accum_bt->hi_priority_tx_denied_cnt); + pos += scnprintf(buf + pos, bufsz - pos, + "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n", + le32_to_cpu(bt->lo_priority_tx_req_cnt), + accum_bt->lo_priority_tx_req_cnt); + pos += scnprintf(buf + pos, bufsz - pos, + "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n", + le32_to_cpu(bt->lo_priority_tx_denied_cnt), + accum_bt->lo_priority_tx_denied_cnt); + pos += scnprintf(buf + pos, bufsz - pos, + "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", + le32_to_cpu(bt->hi_priority_rx_req_cnt), + accum_bt->hi_priority_rx_req_cnt); + pos += scnprintf(buf + pos, bufsz - pos, + "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n", + le32_to_cpu(bt->hi_priority_rx_denied_cnt), + accum_bt->hi_priority_rx_denied_cnt); + pos += scnprintf(buf + pos, bufsz - pos, + "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n", + le32_to_cpu(bt->lo_priority_rx_req_cnt), + accum_bt->lo_priority_rx_req_cnt); + pos += scnprintf(buf + pos, bufsz - pos, + "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n", + le32_to_cpu(bt->lo_priority_rx_denied_cnt), + accum_bt->lo_priority_rx_denied_cnt); + + pos += scnprintf(buf + pos, bufsz - pos, + "(rx)num_bt_kills:\t\t%u\t\t\t%u\n", + le32_to_cpu(priv->_agn.statistics_bt.rx. + general.num_bt_kills), + priv->_agn.accum_statistics_bt.rx. + general.num_bt_kills); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos); + kfree(buf); + return ret; +} diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.h b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.h index 59b1f25..bbdce59 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.h +++ b/drivers/net/wireless/iwlwifi/iwl-agn-debugfs.h @@ -37,6 +37,8 @@ ssize_t iwl_ucode_tx_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); ssize_t iwl_ucode_general_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); +ssize_t iwl_ucode_bt_stats_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos); #else static ssize_t iwl_ucode_rx_stats_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -53,4 +55,9 @@ static ssize_t iwl_ucode_general_stats_read(struct file *file, char __user *user { return 0; } +static ssize_t iwl_ucode_bt_stats_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + return 0; +} #endif diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h index 2954a52..b60cf45 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.h +++ b/drivers/net/wireless/iwlwifi/iwl-core.h @@ -125,6 +125,8 @@ struct iwl_debugfs_ops { size_t count, loff_t *ppos); ssize_t (*general_stats_read)(struct file *file, char __user *user_buf, size_t count, loff_t *ppos); + ssize_t (*bt_stats_read)(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos); }; struct iwl_temp_ops { diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c index 7b25d14..e96a1bb 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c @@ -1519,6 +1519,16 @@ static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, return count; } +static ssize_t iwl_dbgfs_ucode_bt_stats_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct iwl_priv *priv = (struct iwl_priv *)file->private_data; + + return priv->cfg->ops->lib->debugfs_ops.bt_stats_read(file, + user_buf, count, ppos); +} + DEBUGFS_READ_FILE_OPS(rx_statistics); DEBUGFS_READ_FILE_OPS(tx_statistics); DEBUGFS_READ_WRITE_FILE_OPS(traffic_log); @@ -1541,6 +1551,7 @@ DEBUGFS_READ_WRITE_FILE_OPS(force_reset); DEBUGFS_READ_FILE_OPS(rxon_flags); DEBUGFS_READ_FILE_OPS(rxon_filter_flags); DEBUGFS_WRITE_FILE_OPS(txfifo_flush); +DEBUGFS_READ_FILE_OPS(ucode_bt_stats); /* * Create the debugfs files and directories @@ -1608,6 +1619,8 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name) DEBUGFS_ADD_FILE(chain_noise, dir_debug, S_IRUSR); if (priv->cfg->ucode_tracing) DEBUGFS_ADD_FILE(ucode_tracing, dir_debug, S_IWUSR | S_IRUSR); + if (priv->cfg->bt_statistics) + DEBUGFS_ADD_FILE(ucode_bt_stats, dir_debug, S_IRUSR); DEBUGFS_ADD_FILE(rxon_flags, dir_debug, S_IWUSR); DEBUGFS_ADD_FILE(rxon_filter_flags, dir_debug, S_IWUSR); if (priv->cfg->sensitivity_calib_by_driver)

[04/10] iwlagn: add bluetooth stats to debugfs

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Patch