Commit 19758bef authored by Tomas Winkler's avatar Tomas Winkler Committed by John W. Linville

iwlwifi: Add TX/RX statistcs to driver

This patch supports collecting of TX and RX statistics in the driver.
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent c79dd5b5
......@@ -3337,6 +3337,14 @@ static void iwl4965_add_radiotap(struct iwl_priv *priv,
stats->flag |= RX_FLAG_RADIOTAP;
}
static void iwl_update_rx_stats(struct iwl_priv *priv, u16 fc, u16 len)
{
/* 0 - mgmt, 1 - cnt, 2 - data */
int idx = (fc & IEEE80211_FCTL_FTYPE) >> 2;
priv->rx_stats[idx].cnt++;
priv->rx_stats[idx].bytes += len;
}
static void iwl4965_handle_data_packet(struct iwl_priv *priv, int is_data,
int include_phy,
struct iwl4965_rx_mem_buffer *rxb,
......@@ -3406,6 +3414,7 @@ static void iwl4965_handle_data_packet(struct iwl_priv *priv, int is_data,
if (priv->add_radiotap)
iwl4965_add_radiotap(priv, rxb->skb, rx_start, stats, ampdu_status);
iwl_update_rx_stats(priv, le16_to_cpu(hdr->frame_control), len);
ieee80211_rx_irqsafe(priv->hw, rxb->skb, stats);
priv->alloc_rxb_skb--;
rxb->skb = NULL;
......
......@@ -1107,6 +1107,12 @@ struct iwl_priv {
int last_rx_rssi; /* From Rx packet statisitics */
int last_rx_noise; /* From beacon statistics */
/* counts mgmt, ctl, and data packets */
struct traffic_stats {
u32 cnt;
u64 bytes;
} tx_stats[3], rx_stats[3];
struct iwl4965_power_mgr power_data;
struct iwl4965_notif_statistics statistics;
......
......@@ -2529,7 +2529,13 @@ static void iwl4965_build_tx_cmd_basic(struct iwl_priv *priv,
cmd->cmd.tx.tx_flags = tx_flags;
cmd->cmd.tx.next_frame_len = 0;
}
static void iwl_update_tx_stats(struct iwl_priv *priv, u16 fc, u16 len)
{
/* 0 - mgmt, 1 - cnt, 2 - data */
int idx = (fc & IEEE80211_FCTL_FTYPE) >> 2;
priv->tx_stats[idx].cnt++;
priv->tx_stats[idx].bytes += len;
}
/**
* iwl4965_get_sta_id - Find station's index within station table
*
......@@ -2776,6 +2782,8 @@ static int iwl4965_tx_skb(struct iwl_priv *priv,
/* set is_hcca to 0; it probably will never be implemented */
iwl4965_hw_build_tx_cmd_rate(priv, out_cmd, ctl, hdr, sta_id, 0);
iwl_update_tx_stats(priv, fc, len);
scratch_phys = txcmd_phys + sizeof(struct iwl4965_cmd_header) +
offsetof(struct iwl4965_tx_cmd, scratch);
out_cmd->cmd.tx.dram_lsb_ptr = cpu_to_le32(scratch_phys);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment