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Diffstat (limited to 'net/mac80211/rx.c')
-rw-r--r--net/mac80211/rx.c77
1 files changed, 31 insertions, 46 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 6993d37dccfb..839cac8fab57 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -554,11 +554,11 @@ static inline u16 seq_sub(u16 sq1, u16 sq2)
}
-static void ieee80211_release_reorder_frame(struct ieee80211_hw *hw,
+static void ieee80211_release_reorder_frame(struct ieee80211_sub_if_data *sdata,
struct tid_ampdu_rx *tid_agg_rx,
int index)
{
- struct ieee80211_local *local = hw_to_local(hw);
+ struct ieee80211_local *local = sdata->local;
struct sk_buff *skb = tid_agg_rx->reorder_buf[index];
struct ieee80211_rx_status *status;
@@ -578,7 +578,7 @@ no_frame:
tid_agg_rx->head_seq_num = seq_inc(tid_agg_rx->head_seq_num);
}
-static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
+static void ieee80211_release_reorder_frames(struct ieee80211_sub_if_data *sdata,
struct tid_ampdu_rx *tid_agg_rx,
u16 head_seq_num)
{
@@ -589,7 +589,7 @@ static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
while (seq_less(tid_agg_rx->head_seq_num, head_seq_num)) {
index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
tid_agg_rx->buf_size;
- ieee80211_release_reorder_frame(hw, tid_agg_rx, index);
+ ieee80211_release_reorder_frame(sdata, tid_agg_rx, index);
}
}
@@ -604,7 +604,7 @@ static void ieee80211_release_reorder_frames(struct ieee80211_hw *hw,
*/
#define HT_RX_REORDER_BUF_TIMEOUT (HZ / 10)
-static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
+static void ieee80211_sta_reorder_release(struct ieee80211_sub_if_data *sdata,
struct tid_ampdu_rx *tid_agg_rx)
{
int index, j;
@@ -632,12 +632,9 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
HT_RX_REORDER_BUF_TIMEOUT))
goto set_release_timer;
-#ifdef CONFIG_MAC80211_HT_DEBUG
- if (net_ratelimit())
- wiphy_debug(hw->wiphy,
- "release an RX reorder frame due to timeout on earlier frames\n");
-#endif
- ieee80211_release_reorder_frame(hw, tid_agg_rx, j);
+ ht_dbg_ratelimited(sdata,
+ "release an RX reorder frame due to timeout on earlier frames\n");
+ ieee80211_release_reorder_frame(sdata, tid_agg_rx, j);
/*
* Increment the head seq# also for the skipped slots.
@@ -647,7 +644,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
skipped = 0;
}
} else while (tid_agg_rx->reorder_buf[index]) {
- ieee80211_release_reorder_frame(hw, tid_agg_rx, index);
+ ieee80211_release_reorder_frame(sdata, tid_agg_rx, index);
index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) %
tid_agg_rx->buf_size;
}
@@ -677,7 +674,7 @@ static void ieee80211_sta_reorder_release(struct ieee80211_hw *hw,
* rcu_read_lock protection. It returns false if the frame
* can be processed immediately, true if it was consumed.
*/
-static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
+static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_sub_if_data *sdata,
struct tid_ampdu_rx *tid_agg_rx,
struct sk_buff *skb)
{
@@ -706,7 +703,8 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
if (!seq_less(mpdu_seq_num, head_seq_num + buf_size)) {
head_seq_num = seq_inc(seq_sub(mpdu_seq_num, buf_size));
/* release stored frames up to new head to stack */
- ieee80211_release_reorder_frames(hw, tid_agg_rx, head_seq_num);
+ ieee80211_release_reorder_frames(sdata, tid_agg_rx,
+ head_seq_num);
}
/* Now the new frame is always in the range of the reordering buffer */
@@ -736,7 +734,7 @@ static bool ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw,
tid_agg_rx->reorder_buf[index] = skb;
tid_agg_rx->reorder_time[index] = jiffies;
tid_agg_rx->stored_mpdu_num++;
- ieee80211_sta_reorder_release(hw, tid_agg_rx);
+ ieee80211_sta_reorder_release(sdata, tid_agg_rx);
out:
spin_unlock(&tid_agg_rx->reorder_lock);
@@ -751,7 +749,6 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx)
{
struct sk_buff *skb = rx->skb;
struct ieee80211_local *local = rx->local;
- struct ieee80211_hw *hw = &local->hw;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct sta_info *sta = rx->sta;
@@ -813,7 +810,7 @@ static void ieee80211_rx_reorder_ampdu(struct ieee80211_rx_data *rx)
* sure that we cannot get to it any more before doing
* anything with it.
*/
- if (ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb))
+ if (ieee80211_sta_manage_reorder_buf(rx->sdata, tid_agg_rx, skb))
return;
dont_reorder:
@@ -1136,24 +1133,18 @@ static void ap_sta_ps_start(struct sta_info *sta)
set_sta_flag(sta, WLAN_STA_PS_STA);
if (!(local->hw.flags & IEEE80211_HW_AP_LINK_PS))
drv_sta_notify(local, sdata, STA_NOTIFY_SLEEP, &sta->sta);
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- pr_debug("%s: STA %pM aid %d enters power save mode\n",
- sdata->name, sta->sta.addr, sta->sta.aid);
-#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
+ ps_dbg(sdata, "STA %pM aid %d enters power save mode\n",
+ sta->sta.addr, sta->sta.aid);
}
static void ap_sta_ps_end(struct sta_info *sta)
{
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- pr_debug("%s: STA %pM aid %d exits power save mode\n",
- sta->sdata->name, sta->sta.addr, sta->sta.aid);
-#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
+ ps_dbg(sta->sdata, "STA %pM aid %d exits power save mode\n",
+ sta->sta.addr, sta->sta.aid);
if (test_sta_flag(sta, WLAN_STA_PS_DRIVER)) {
-#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
- pr_debug("%s: STA %pM aid %d driver-ps-blocked\n",
- sta->sdata->name, sta->sta.addr, sta->sta.aid);
-#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
+ ps_dbg(sta->sdata, "STA %pM aid %d driver-ps-blocked\n",
+ sta->sta.addr, sta->sta.aid);
return;
}
@@ -1383,17 +1374,8 @@ ieee80211_reassemble_add(struct ieee80211_sub_if_data *sdata,
if (sdata->fragment_next >= IEEE80211_FRAGMENT_MAX)
sdata->fragment_next = 0;
- if (!skb_queue_empty(&entry->skb_list)) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- struct ieee80211_hdr *hdr =
- (struct ieee80211_hdr *) entry->skb_list.next->data;
- pr_debug("%s: RX reassembly removed oldest fragment entry (idx=%d age=%lu seq=%d last_frag=%d addr1=%pM addr2=%pM\n",
- sdata->name, idx,
- jiffies - entry->first_frag_time, entry->seq,
- entry->last_frag, hdr->addr1, hdr->addr2);
-#endif
+ if (!skb_queue_empty(&entry->skb_list))
__skb_queue_purge(&entry->skb_list);
- }
__skb_queue_tail(&entry->skb_list, *skb); /* no need for locking */
*skb = NULL;
@@ -1751,7 +1733,7 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
*/
xmit_skb = skb_copy(skb, GFP_ATOMIC);
if (!xmit_skb)
- net_dbg_ratelimited("%s: failed to clone multicast frame\n",
+ net_info_ratelimited("%s: failed to clone multicast frame\n",
dev->name);
} else {
dsta = sta_info_get(sdata, skb->data);
@@ -1935,7 +1917,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
ether_addr_equal(sdata->vif.addr, hdr->addr3))
return RX_CONTINUE;
- q = ieee80211_select_queue_80211(local, skb, hdr);
+ q = ieee80211_select_queue_80211(sdata, skb, hdr);
if (ieee80211_queue_stopped(&local->hw, q)) {
IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_congestion);
return RX_DROP_MONITOR;
@@ -1955,7 +1937,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
fwd_skb = skb_copy(skb, GFP_ATOMIC);
if (!fwd_skb) {
- net_dbg_ratelimited("%s: failed to clone mesh frame\n",
+ net_info_ratelimited("%s: failed to clone mesh frame\n",
sdata->name);
goto out;
}
@@ -2058,8 +2040,6 @@ ieee80211_rx_h_data(struct ieee80211_rx_data *rx)
static ieee80211_rx_result debug_noinline
ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
{
- struct ieee80211_local *local = rx->local;
- struct ieee80211_hw *hw = &local->hw;
struct sk_buff *skb = rx->skb;
struct ieee80211_bar *bar = (struct ieee80211_bar *)skb->data;
struct tid_ampdu_rx *tid_agg_rx;
@@ -2096,7 +2076,8 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx)
spin_lock(&tid_agg_rx->reorder_lock);
/* release stored frames up to start of BAR */
- ieee80211_release_reorder_frames(hw, tid_agg_rx, start_seq_num);
+ ieee80211_release_reorder_frames(rx->sdata, tid_agg_rx,
+ start_seq_num);
spin_unlock(&tid_agg_rx->reorder_lock);
kfree_skb(skb);
@@ -2750,7 +2731,7 @@ void ieee80211_release_reorder_timeout(struct sta_info *sta, int tid)
return;
spin_lock(&tid_agg_rx->reorder_lock);
- ieee80211_sta_reorder_release(&sta->local->hw, tid_agg_rx);
+ ieee80211_sta_reorder_release(sta->sdata, tid_agg_rx);
spin_unlock(&tid_agg_rx->reorder_lock);
ieee80211_rx_handlers(&rx);
@@ -3030,6 +3011,10 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb)
if (unlikely(local->quiescing || local->suspended))
goto drop;
+ /* We might be during a HW reconfig, prevent Rx for the same reason */
+ if (unlikely(local->in_reconfig))
+ goto drop;
+
/*
* The same happens when we're not even started,
* but that's worth a warning.