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path: root/drivers/net/wireless/rt2x00/rt2x00queue.c
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Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00queue.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 4c662eccf53c..2fd830103415 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,
207 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); 207 struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
208 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; 208 struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
209 struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif); 209 struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif);
210 u16 seqno;
210 211
211 if (!(tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)) 212 if (!(tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ))
212 return; 213 return;
@@ -238,15 +239,13 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
238 * sequence counting per-frame, since those will override the 239 * sequence counting per-frame, since those will override the
239 * sequence counter given by mac80211. 240 * sequence counter given by mac80211.
240 */ 241 */
241 spin_lock(&intf->seqlock);
242
243 if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)) 242 if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags))
244 intf->seqno += 0x10; 243 seqno = atomic_add_return(0x10, &intf->seqno);
245 hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); 244 else
246 hdr->seq_ctrl |= cpu_to_le16(intf->seqno); 245 seqno = atomic_read(&intf->seqno);
247
248 spin_unlock(&intf->seqlock);
249 246
247 hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
248 hdr->seq_ctrl |= cpu_to_le16(seqno);
250} 249}
251 250
252static void rt2x00queue_create_tx_descriptor_plcp(struct rt2x00_dev *rt2x00dev, 251static void rt2x00queue_create_tx_descriptor_plcp(struct rt2x00_dev *rt2x00dev,