diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-07-05 21:10:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-07-05 21:10:23 +0200 |
| commit | 90574ebb7e6e0f7f74636ee87315890ba88d6a4a (patch) | |
| tree | 5f60106dacbfe246f52aaaf9bac69dd4749f24a6 /drivers/net/wireless/rt2x00 | |
| parent | add79461a2a7d964a00b4a2fdaf313c4cf9cf4ec (diff) | |
| parent | ce5c1fe9a9e059b5c58f0a7e2a3e687d0efac815 (diff) | |
Merge branch 'perf/urgent' into perf/core
Merge this branch to pick up a fixlet and to update to a more recent base.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/net/wireless/rt2x00')
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00.h | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00mac.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/rt2x00/rt2x00queue.c | 13 |
3 files changed, 7 insertions, 10 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index ca36cccaba3..8f754025b06 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -396,8 +396,7 @@ struct rt2x00_intf { * for hardware which doesn't support hardware * sequence counting. */ - spinlock_t seqlock; - u16 seqno; + atomic_t seqno; }; static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif) diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index b49773ef72f..dd24b2663b5 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -277,7 +277,6 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw, else rt2x00dev->intf_sta_count++; - spin_lock_init(&intf->seqlock); mutex_init(&intf->beacon_skb_mutex); intf->beacon = entry; diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 4c662eccf53..2fd83010341 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -207,6 +207,7 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev, struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif); + u16 seqno; if (!(tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)) return; @@ -238,15 +239,13 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev, * sequence counting per-frame, since those will override the * sequence counter given by mac80211. */ - spin_lock(&intf->seqlock); - if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)) - intf->seqno += 0x10; - hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); - hdr->seq_ctrl |= cpu_to_le16(intf->seqno); - - spin_unlock(&intf->seqlock); + seqno = atomic_add_return(0x10, &intf->seqno); + else + seqno = atomic_read(&intf->seqno); + hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); + hdr->seq_ctrl |= cpu_to_le16(seqno); } static void rt2x00queue_create_tx_descriptor_plcp(struct rt2x00_dev *rt2x00dev, |