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Merge "mac80211: allow passing transmitter station on RX"

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Linux Build Service Account 2017-01-18 14:23:21 -08:00 • committed by Gerrit - the friendly Code Review server
commit e64abf0e80
2 changed files with 17 additions and 8 deletions
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7
include/net/mac80211.h
View file

@ -3762,11 +3762,12 @@ void ieee80211_restart_hw(struct ieee80211_hw *hw);
* This function must be called with BHs disabled.
*
* @hw: the hardware this frame came in on
* @sta: the station the frame was received from, or %NULL
* @skb: the buffer to receive, owned by mac80211 after this call
* @napi: the NAPI context
*/
void ieee80211_rx_napi(struct ieee80211_hw *hw, struct sk_buff *skb,
struct napi_struct *napi);
void ieee80211_rx_napi(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
struct sk_buff *skb, struct napi_struct *napi);
/**
* ieee80211_rx - receive frame
@ -3790,7 +3791,7 @@ void ieee80211_rx_napi(struct ieee80211_hw *hw, struct sk_buff *skb,
*/
static inline void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
ieee80211_rx_napi(hw, skb, NULL);
ieee80211_rx_napi(hw, NULL, skb, NULL);
}
/**

18
net/mac80211/rx.c
View file

@ -3454,6 +3454,7 @@ static bool ieee80211_prepare_and_rx_handle(struct ieee80211_rx_data *rx,
* be called with rcu_read_lock protection.
*/
static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
struct ieee80211_sta *pubsta,
struct sk_buff *skb,
struct napi_struct *napi)
{
@ -3463,7 +3464,6 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
__le16 fc;
struct ieee80211_rx_data rx;
struct ieee80211_sub_if_data *prev;
struct sta_info *sta, *prev_sta;
struct rhash_head *tmp;
int err = 0;
@ -3499,7 +3499,14 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
ieee80211_is_beacon(hdr->frame_control)))
ieee80211_scan_rx(local, skb);
if (ieee80211_is_data(fc)) {
if (pubsta) {
rx.sta = container_of(pubsta, struct sta_info, sta);
rx.sdata = rx.sta->sdata;
if (ieee80211_prepare_and_rx_handle(&rx, skb, true))
return;
goto out;
} else if (ieee80211_is_data(fc)) {
struct sta_info *sta, *prev_sta;
const struct bucket_table *tbl;
prev_sta = NULL;
@ -3573,8 +3580,8 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
* This is the receive path handler. It is called by a low level driver when an
* 802.11 MPDU is received from the hardware.
*/
void ieee80211_rx_napi(struct ieee80211_hw *hw, struct sk_buff *skb,
struct napi_struct *napi)
void ieee80211_rx_napi(struct ieee80211_hw *hw, struct ieee80211_sta *pubsta,
struct sk_buff *skb, struct napi_struct *napi)
{
struct ieee80211_local *local = hw_to_local(hw);
struct ieee80211_rate *rate = NULL;
@ -3673,7 +3680,8 @@ void ieee80211_rx_napi(struct ieee80211_hw *hw, struct sk_buff *skb,
ieee80211_tpt_led_trig_rx(local,
((struct ieee80211_hdr *)skb->data)->frame_control,
skb->len);
__ieee80211_rx_handle_packet(hw, skb, napi);
__ieee80211_rx_handle_packet(hw, pubsta, skb, napi);
rcu_read_unlock();