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authorJohannes Berg <johannes.berg@intel.com>2010-05-03 01:20:52 -0700
committerReinette Chatre <reinette.chatre@intel.com>2010-05-13 10:43:20 -0700
commitf862a2367b429d46d12362fea07d844c2bf55969 (patch)
treed07880c38425f59e90589093e31319c088871605 /drivers/net/wireless/iwlwifi/iwl3945-base.c
parentc9696b2b6c36704dbd1eb51fd4465704a395a6ff (diff)
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iwl3945: remove sequence number assignment
Unlike agn, where the sequence numbers must match with the TFD index, the driver for 3945 devices can use the sequence numbers provided by mac80211 for QoS frames. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl3945-base.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c12
1 files changed, 1 insertions, 11 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 68b8a1af3be7..445406406bd0 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -473,10 +473,8 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
u8 unicast;
u8 sta_id;
u8 tid = 0;
- u16 seq_number = 0;
__le16 fc;
u8 wait_write_ptr = 0;
- u8 *qc = NULL;
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
@@ -519,16 +517,10 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
IWL_DEBUG_RATE(priv, "station Id %d\n", sta_id);
if (ieee80211_is_data_qos(fc)) {
- qc = ieee80211_get_qos_ctl(hdr);
+ u8 *qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & IEEE80211_QOS_CTL_TID_MASK;
if (unlikely(tid >= MAX_TID_COUNT))
goto drop;
- seq_number = priv->stations[sta_id].tid[tid].seq_number &
- IEEE80211_SCTL_SEQ;
- hdr->seq_ctrl = cpu_to_le16(seq_number) |
- (hdr->seq_ctrl &
- cpu_to_le16(IEEE80211_SCTL_FRAG));
- seq_number += 0x10;
}
/* Descriptor for chosen Tx queue */
@@ -587,8 +579,6 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
if (!ieee80211_has_morefrags(hdr->frame_control)) {
txq->need_update = 1;
- if (qc)
- priv->stations[sta_id].tid[tid].seq_number = seq_number;
} else {
wait_write_ptr = 1;
txq->need_update = 0;