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iwlwifi: Add TX/RX statistcs to driver

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This patch supports collecting of TX and RX statistics in the driver.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Tomas Winkler 2008-03-12 16:58:51 -07:00 committed by John W. Linville
parent c79dd5b5bc
commit 19758bef09
3 changed files with 24 additions and 1 deletions
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9
drivers/net/wireless/iwlwifi/iwl-4965.c
View file

@ -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;

6
drivers/net/wireless/iwlwifi/iwl-4965.h
View file

@ -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;

10
drivers/net/wireless/iwlwifi/iwl4965-base.c
View file

@ -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);