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iwlwifi: cleanup iwl_tx_skb 

This patch cleans up iwl_tx_skb function.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Tomas Winkler 2008-08-04 16:00:44 +08:00 committed by John W. Linville
parent e6fce5b916
commit f367422794
3 changed files with 22 additions and 25 deletions
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4
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -2719,7 +2719,7 @@ static int iwl4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct iwl_priv *priv = hw->priv;
IWL_DEBUG_MAC80211("enter\n");
IWL_DEBUG_MACDUMP("enter\n");
if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) {
IWL_DEBUG_MAC80211("leave - monitor\n");
@ -2733,7 +2733,7 @@ static int iwl4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
if (iwl_tx_skb(priv, skb))
dev_kfree_skb_any(skb);
IWL_DEBUG_MAC80211("leave\n");
IWL_DEBUG_MACDUMP("leave\n");
return 0;
}

3
drivers/net/wireless/iwlwifi/iwl-debug.h
View File

@ -114,7 +114,7 @@ static inline void iwl_dbgfs_unregister(struct iwl_priv *priv)
#define IWL_DL_MAC80211 (1 << 1)
#define IWL_DL_HOST_COMMAND (1 << 2)
#define IWL_DL_STATE (1 << 3)
#define IWL_DL_MACDUMP (1 << 4)
#define IWL_DL_RADIO (1 << 7)
#define IWL_DL_POWER (1 << 8)
#define IWL_DL_TEMP (1 << 9)
@ -154,6 +154,7 @@ static inline void iwl_dbgfs_unregister(struct iwl_priv *priv)
#define IWL_DEBUG_INFO(f, a...) IWL_DEBUG(IWL_DL_INFO, f, ## a)
#define IWL_DEBUG_MAC80211(f, a...) IWL_DEBUG(IWL_DL_MAC80211, f, ## a)
#define IWL_DEBUG_MACDUMP(f, a...) IWL_DEBUG(IWL_DL_MACDUMP, f, ## a)
#define IWL_DEBUG_TEMP(f, a...) IWL_DEBUG(IWL_DL_TEMP, f, ## a)
#define IWL_DEBUG_SCAN(f, a...) IWL_DEBUG(IWL_DL_SCAN, f, ## a)
#define IWL_DEBUG_RX(f, a...) IWL_DEBUG(IWL_DL_RX, f, ## a)

40
drivers/net/wireless/iwlwifi/iwl-tx.c
View File

@ -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;
dma_addr_t phys_addr;
unsigned long flags;
int len, ret;
u32 idx;
u16 fix_size;
dma_addr_t phys_addr;
int len, ret;
unsigned long flags;
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];