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path: root/drivers/net/wireless/iwlwifi/iwl-tx.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-tx.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-tx.c40
1 files changed, 18 insertions, 22 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index aa98c76d819..4108c7c8f00 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -764,20 +764,19 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct iwl_tfd_frame *tfd;
- u32 *control_flags;
- int txq_id = skb_get_queue_mapping(skb);
- struct iwl_tx_queue *txq = NULL;
- struct iwl_queue *q = NULL;
+ struct iwl_tx_queue *txq;
+ struct iwl_queue *q;
+ struct iwl_cmd *out_cmd;
+ struct iwl_tx_cmd *tx_cmd;
+ int swq_id, txq_id;
dma_addr_t phys_addr;
dma_addr_t txcmd_phys;
dma_addr_t scratch_phys;
- struct iwl_cmd *out_cmd = NULL;
- struct iwl_tx_cmd *tx_cmd;
u16 len, idx, len_org;
u16 seq_number = 0;
- u8 id, hdr_len, unicast;
- u8 sta_id;
__le16 fc;
+ u8 hdr_len, unicast;
+ u8 sta_id;
u8 wait_write_ptr = 0;
u8 tid = 0;
u8 *qc = NULL;
@@ -802,7 +801,6 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
}
unicast = !is_multicast_ether_addr(hdr->addr1);
- id = 0;
fc = hdr->frame_control;
@@ -840,14 +838,16 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
IWL_DEBUG_TX("station Id %d\n", sta_id);
+ swq_id = skb_get_queue_mapping(skb);
+ txq_id = swq_id;
if (ieee80211_is_data_qos(fc)) {
qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
- seq_number = priv->stations[sta_id].tid[tid].seq_number &
- IEEE80211_SCTL_SEQ;
- hdr->seq_ctrl = cpu_to_le16(seq_number) |
- (hdr->seq_ctrl &
- __constant_cpu_to_le16(IEEE80211_SCTL_FRAG));
+ seq_number = priv->stations[sta_id].tid[tid].seq_number;
+ seq_number &= IEEE80211_SCTL_SEQ;
+ hdr->seq_ctrl = hdr->seq_ctrl &
+ __constant_cpu_to_le16(IEEE80211_SCTL_FRAG);
+ hdr->seq_ctrl |= cpu_to_le16(seq_number);
seq_number += 0x10;
/* aggregation is on for this <sta,tid> */
if (info->flags & IEEE80211_TX_CTL_AMPDU)
@@ -864,7 +864,6 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
/* Set up first empty TFD within this queue's circular TFD buffer */
tfd = &txq->bd[q->write_ptr];
memset(tfd, 0, sizeof(*tfd));
- control_flags = (u32 *) tfd;
idx = get_cmd_index(q, q->write_ptr, 0);
/* Set up driver data for this TFD */
@@ -983,8 +982,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
iwl_txq_update_write_ptr(priv, txq);
spin_unlock_irqrestore(&priv->lock, flags);
} else {
- ieee80211_stop_queue(priv->hw,
- skb_get_queue_mapping(skb));
+ ieee80211_stop_queue(priv->hw, swq_id);
}
}
@@ -1013,13 +1011,12 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
struct iwl_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM];
struct iwl_queue *q = &txq->q;
struct iwl_tfd_frame *tfd;
- u32 *control_flags;
struct iwl_cmd *out_cmd;
- u32 idx;
- u16 fix_size;
dma_addr_t phys_addr;
- int len, ret;
unsigned long flags;
+ int len, ret;
+ u32 idx;
+ u16 fix_size;
cmd->len = priv->cfg->ops->utils->get_hcmd_size(cmd->id, cmd->len);
fix_size = (u16)(cmd->len + sizeof(out_cmd->hdr));
@@ -1045,7 +1042,6 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
tfd = &txq->bd[q->write_ptr];
memset(tfd, 0, sizeof(*tfd));
- control_flags = (u32 *) tfd;
idx = get_cmd_index(q, q->write_ptr, cmd->meta.flags & CMD_SIZE_HUGE);
out_cmd = txq->cmd[idx];