iwlwifi: Add TX/RX statistcs to driver
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>
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 7b0ad72..b2ea4d4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -3337,6 +3337,14 @@
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 @@
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;