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iwlwifi: refactor tx aggregation response flow

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This patch refactors tx aggregation respnse flow
and fixes bug revealed by tx_info to cb patch

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@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 2008-06-12 09:47:07 +08:00 committed by John W. Linville
parent 398f9e765f
commit 25a6572cc1
4 changed files with 19 additions and 42 deletions
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23
drivers/net/wireless/iwlwifi/iwl-4965.c
View File

@ -3204,10 +3204,7 @@ static u16 iwl4965_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd, u8 *data)
static inline u32 iwl4965_get_scd_ssn(struct iwl4965_tx_resp *tx_resp)
{
__le32 *scd_ssn = (__le32 *)((u32 *)&tx_resp->status +
tx_resp->frame_count);
return le32_to_cpu(*scd_ssn) & MAX_SN;
return le32_to_cpup(&tx_resp->u.status + tx_resp->frame_count) & MAX_SN;
}
/**
@ -3215,15 +3212,14 @@ static inline u32 iwl4965_get_scd_ssn(struct iwl4965_tx_resp *tx_resp)
*/
static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
struct iwl_ht_agg *agg,
struct iwl4965_tx_resp_agg *tx_resp,
u16 start_idx)
struct iwl4965_tx_resp *tx_resp,
int txq_id, u16 start_idx)
{
u16 status;
struct agg_tx_status *frame_status = &tx_resp->status;
struct agg_tx_status *frame_status = tx_resp->u.agg_status;
struct ieee80211_tx_info *info = NULL;
struct ieee80211_hdr *hdr = NULL;
int i, sh;
int txq_id, idx;
int i, sh, idx;
u16 seq;
if (agg->wait_for_ba)
@ -3238,9 +3234,7 @@ static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
if (agg->frame_count == 1) {
/* Only one frame was attempted; no block-ack will arrive */
status = le16_to_cpu(frame_status[0].status);
seq = le16_to_cpu(frame_status[0].sequence);
idx = SEQ_TO_INDEX(seq);
txq_id = SEQ_TO_QUEUE(seq);
idx = start_idx;
/* FIXME: code repetition */
IWL_DEBUG_TX_REPLY("FrameCnt = %d, StartIdx=%d idx=%d\n",
@ -3341,7 +3335,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
struct iwl_tx_queue *txq = &priv->txq[txq_id];
struct ieee80211_tx_info *info;
struct iwl4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
u32 status = le32_to_cpu(tx_resp->status);
u32 status = le32_to_cpu(tx_resp->u.status);
int tid = MAX_TID_COUNT, sta_id = IWL_INVALID_STATION;
u16 fc;
struct ieee80211_hdr *hdr;
@ -3380,8 +3374,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
agg = &priv->stations[sta_id].tid[tid].agg;
iwl4965_tx_status_reply_tx(priv, agg,
(struct iwl4965_tx_resp_agg *)tx_resp, index);
iwl4965_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status)) {
/* TODO: send BAR */

17
drivers/net/wireless/iwlwifi/iwl-5000.c
View File

@ -1126,23 +1126,20 @@ static void iwl5000_txq_set_sched(struct iwl_priv *priv, u32 mask)
static inline u32 iwl5000_get_scd_ssn(struct iwl5000_tx_resp *tx_resp)
{
__le32 *scd_ssn = (__le32 *)((u32 *)&tx_resp->status +
tx_resp->frame_count);
return le32_to_cpu(*scd_ssn) & MAX_SN;
return le32_to_cpup((__le32*)&tx_resp->status +
tx_resp->frame_count) & MAX_SN;
}
static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
struct iwl_ht_agg *agg,
struct iwl5000_tx_resp *tx_resp,
u16 start_idx)
int txq_id, u16 start_idx)
{
u16 status;
struct agg_tx_status *frame_status = &tx_resp->status;
struct ieee80211_tx_info *info = NULL;
struct ieee80211_hdr *hdr = NULL;
int i, sh;
int txq_id, idx;
int i, sh, idx;
u16 seq;
if (agg->wait_for_ba)
@ -1157,9 +1154,7 @@ static int iwl5000_tx_status_reply_tx(struct iwl_priv *priv,
if (agg->frame_count == 1) {
/* Only one frame was attempted; no block-ack will arrive */
status = le16_to_cpu(frame_status[0].status);
seq = le16_to_cpu(frame_status[0].sequence);
idx = SEQ_TO_INDEX(seq);
txq_id = SEQ_TO_QUEUE(seq);
idx = start_idx;
/* FIXME: code repetition */
IWL_DEBUG_TX_REPLY("FrameCnt = %d, StartIdx=%d idx=%d\n",
@ -1296,7 +1291,7 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
agg = &priv->stations[sta_id].tid[tid].agg;
iwl5000_tx_status_reply_tx(priv, agg, tx_resp, index);
iwl5000_tx_status_reply_tx(priv, agg, tx_resp, txq_id, index);
if ((tx_resp->frame_count == 1) && !iwl_is_tx_success(status)) {
/* TODO: send BAR */

19
drivers/net/wireless/iwlwifi/iwl-commands.h
View File

@ -1481,21 +1481,10 @@ struct iwl4965_tx_resp {
* table entry used for all frames in the new agg.
* 31-16: Sequence # for this frame's Tx cmd (not SSN!)
*/
__le32 status; /* TX status (for aggregation status of 1st frame) */
} __attribute__ ((packed));
struct iwl4965_tx_resp_agg {
u8 frame_count; /* 1 no aggregation, >1 aggregation */
u8 reserved1;
u8 failure_rts;
u8 failure_frame;
__le32 rate_n_flags;
__le16 wireless_media_time;
__le16 reserved3;
__le32 pa_power1;
__le32 pa_power2;
struct agg_tx_status status; /* TX status (for aggregation status */
/* of 1st frame) */
union {
__le32 status;
struct agg_tx_status agg_status[0]; /* for each agg frame */
} u;
} __attribute__ ((packed));
struct iwl5000_tx_resp {

2
drivers/net/wireless/iwlwifi/iwl4965-base.c
View File

@ -1668,7 +1668,7 @@ static void iwl4965_rx_beacon_notif(struct iwl_priv *priv,
IWL_DEBUG_RX("beacon status %x retries %d iss %d "
"tsf %d %d rate %d\n",
le32_to_cpu(beacon->beacon_notify_hdr.status) & TX_STATUS_MSK,
le32_to_cpu(beacon->beacon_notify_hdr.u.status) & TX_STATUS_MSK,
beacon->beacon_notify_hdr.failure_frame,
le32_to_cpu(beacon->ibss_mgr_status),
le32_to_cpu(beacon->high_tsf),