mwifiex: correct TX byte count statistics
The skb is modified in sending the TX packet. Save the original
packet length to a variable so that we can get the correct
statistics update.
Signed-off-by: Ujjal Roy <royujjal@gmail.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index d9b7330..4d23647 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -222,6 +222,7 @@
tx_info = MWIFIEX_SKB_TXCB(skb);
tx_info->bss_num = priv->bss_num;
tx_info->bss_type = priv->bss_type;
+ tx_info->pkt_len = pkt_len;
mwifiex_form_mgmt_frame(skb, buf, len);
mwifiex_queue_tx_pkt(priv, skb);
diff --git a/drivers/net/wireless/mwifiex/decl.h b/drivers/net/wireless/mwifiex/decl.h
index 5c85d78..3a21bd0 100644
--- a/drivers/net/wireless/mwifiex/decl.h
+++ b/drivers/net/wireless/mwifiex/decl.h
@@ -130,6 +130,7 @@
u8 flags;
u8 bss_num;
u8 bss_type;
+ u32 pkt_len;
};
enum mwifiex_wmm_ac_e {
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 78e8a66..36c79cf 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -648,6 +648,7 @@
tx_info = MWIFIEX_SKB_TXCB(skb);
tx_info->bss_num = priv->bss_num;
tx_info->bss_type = priv->bss_type;
+ tx_info->pkt_len = skb->len;
/* Record the current time the packet was queued; used to
* determine the amount of time the packet was queued in
diff --git a/drivers/net/wireless/mwifiex/sta_tx.c b/drivers/net/wireless/mwifiex/sta_tx.c
index 7b581af..354d64c 100644
--- a/drivers/net/wireless/mwifiex/sta_tx.c
+++ b/drivers/net/wireless/mwifiex/sta_tx.c
@@ -148,6 +148,7 @@
tx_info = MWIFIEX_SKB_TXCB(skb);
tx_info->bss_num = priv->bss_num;
tx_info->bss_type = priv->bss_type;
+ tx_info->pkt_len = data_len - (sizeof(struct txpd) + INTF_HEADER_LEN);
skb_reserve(skb, sizeof(struct txpd) + INTF_HEADER_LEN);
skb_push(skb, sizeof(struct txpd));
diff --git a/drivers/net/wireless/mwifiex/txrx.c b/drivers/net/wireless/mwifiex/txrx.c
index 8dd145c..3446da6 100644
--- a/drivers/net/wireless/mwifiex/txrx.c
+++ b/drivers/net/wireless/mwifiex/txrx.c
@@ -175,7 +175,7 @@
mwifiex_set_trans_start(priv->netdev);
if (!status) {
priv->stats.tx_packets++;
- priv->stats.tx_bytes += skb->len;
+ priv->stats.tx_bytes += tx_info->pkt_len;
if (priv->tx_timeout_cnt)
priv->tx_timeout_cnt = 0;
} else {