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authorJohannes Berg <johannes@sipsolutions.net>2008-05-15 12:55:29 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-05-21 21:48:11 -0400
commite039fa4a4195ac4ee895e6f3d1334beed63256fe (patch)
treecfd0762d73df96b73052378be7b157c4ac6e7035 /drivers/net/wireless/iwlwifi
parente24549485f859be6518929bb1c9c0257d79f033d (diff)
mac80211: move TX info into skb->cb
This patch converts mac80211 and all drivers to have transmit information and status in skb->cb rather than allocating extra memory for it and copying all the data around. To make it fit, a union is used where only data that is necessary for all steps is kept outside of the union. A number of fixes were done by Ivo, as well as the rt2x00 part of this patch. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945-rs.c12
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.c24
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.h3
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965-rs.c49
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.c28
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h3
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h5
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-tx.c40
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c48
-rw-r--r--drivers/net/wireless/iwlwifi/iwl4965-base.c52
10 files changed, 121 insertions, 143 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index f3ca02fe961..10c64bdb314 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -445,8 +445,7 @@ static int rs_adjust_next_rate(struct iwl3945_priv *priv, int rate)
*/
static void rs_tx_status(void *priv_rate,
struct net_device *dev,
- struct sk_buff *skb,
- struct ieee80211_tx_status *tx_resp)
+ struct sk_buff *skb)
{
u8 retries, current_count;
int scale_rate_index, first_index, last_index;
@@ -457,14 +456,15 @@ static void rs_tx_status(void *priv_rate,
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct iwl3945_rs_sta *rs_sta;
struct ieee80211_supported_band *sband;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
IWL_DEBUG_RATE("enter\n");
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- retries = tx_resp->retry_count;
- first_index = sband->bitrates[tx_resp->control.tx_rate_idx].hw_value;
+ retries = info->status.retry_count;
+ first_index = sband->bitrates[info->tx_rate_idx].hw_value;
if ((first_index < 0) || (first_index >= IWL_RATE_COUNT)) {
IWL_DEBUG_RATE("leave: Rate out of bounds: %d\n", first_index);
return;
@@ -525,11 +525,11 @@ static void rs_tx_status(void *priv_rate,
/* Update the last index window with success/failure based on ACK */
IWL_DEBUG_RATE("Update rate %d with %s.\n",
last_index,
- (tx_resp->flags & IEEE80211_TX_STATUS_ACK) ?
+ (info->flags & IEEE80211_TX_STAT_ACK) ?
"success" : "failure");
iwl3945_collect_tx_data(rs_sta,
&rs_sta->win[last_index],
- tx_resp->flags & IEEE80211_TX_STATUS_ACK, 1);
+ info->flags & IEEE80211_TX_STAT_ACK, 1);
/* We updated the rate scale window -- if its been more than
* flush_time since the last run, schedule the flush
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index f8e691f88ab..0ba6889dfd4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -283,8 +283,7 @@ static void iwl3945_tx_queue_reclaim(struct iwl3945_priv *priv,
q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd)) {
tx_info = &txq->txb[txq->q.read_ptr];
- ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb[0],
- &tx_info->status);
+ ieee80211_tx_status_irqsafe(priv->hw, tx_info->skb[0]);
tx_info->skb[0] = NULL;
iwl3945_hw_txq_free_tfd(priv, txq);
}
@@ -306,7 +305,7 @@ static void iwl3945_rx_reply_tx(struct iwl3945_priv *priv,
int txq_id = SEQ_TO_QUEUE(sequence);
int index = SEQ_TO_INDEX(sequence);
struct iwl3945_tx_queue *txq = &priv->txq[txq_id];
- struct ieee80211_tx_status *tx_status;
+ struct ieee80211_tx_info *info;
struct iwl3945_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
u32 status = le32_to_cpu(tx_resp->status);
int rate_idx;
@@ -319,21 +318,22 @@ static void iwl3945_rx_reply_tx(struct iwl3945_priv *priv,
return;
}
- tx_status = &(txq->txb[txq->q.read_ptr].status);
+ info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]);
+ memset(&info->status, 0, sizeof(info->status));
- tx_status->retry_count = tx_resp->failure_frame;
+ info->status.retry_count = tx_resp->failure_frame;
/* tx_status->rts_retry_count = tx_resp->failure_rts; */
- tx_status->flags = ((status & TX_STATUS_MSK) == TX_STATUS_SUCCESS) ?
- IEEE80211_TX_STATUS_ACK : 0;
+ info->flags |= ((status & TX_STATUS_MSK) == TX_STATUS_SUCCESS) ?
+ IEEE80211_TX_STAT_ACK : 0;
IWL_DEBUG_TX("Tx queue %d Status %s (0x%08x) plcp rate %d retries %d\n",
txq_id, iwl3945_get_tx_fail_reason(status), status,
tx_resp->rate, tx_resp->failure_frame);
rate_idx = iwl3945_hwrate_to_plcp_idx(tx_resp->rate);
- if (tx_status->control.band == IEEE80211_BAND_5GHZ)
+ if (info->band == IEEE80211_BAND_5GHZ)
rate_idx -= IWL_FIRST_OFDM_RATE;
- tx_status->control.tx_rate_idx = rate_idx;
+ info->tx_rate_idx = rate_idx;
IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index);
iwl3945_tx_queue_reclaim(priv, txq_id, index);
@@ -960,11 +960,11 @@ u8 iwl3945_hw_find_station(struct iwl3945_priv *priv, const u8 *addr)
*/
void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
struct iwl3945_cmd *cmd,
- struct ieee80211_tx_control *ctrl,
+ struct ieee80211_tx_info *info,
struct ieee80211_hdr *hdr, int sta_id, int tx_id)
{
unsigned long flags;
- u16 hw_value = ieee80211_get_tx_rate(priv->hw, ctrl)->hw_value;
+ u16 hw_value = ieee80211_get_tx_rate(priv->hw, info)->hw_value;
u16 rate_index = min(hw_value & 0xffff, IWL_RATE_COUNT - 1);
u16 rate_mask;
int rate;
@@ -977,7 +977,7 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
tx_flags = cmd->cmd.tx.tx_flags;
/* We need to figure out how to get the sta->supp_rates while
- * in this running context; perhaps encoding into ctrl->tx_rate? */
+ * in this running context */
rate_mask = IWL_RATES_MASK;
spin_lock_irqsave(&priv->sta_lock, flags);
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index 9fdc1405e85..835c5b4320e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -124,7 +124,6 @@ int iwl3945_x2_queue_used(const struct iwl3945_queue *q, int i);
/* One for each TFD */
struct iwl3945_tx_info {
- struct ieee80211_tx_status status;
struct sk_buff *skb[MAX_NUM_OF_TBS];
};
@@ -645,7 +644,7 @@ extern unsigned int iwl3945_hw_get_beacon_cmd(struct iwl3945_priv *priv,
extern int iwl3945_hw_get_rx_read(struct iwl3945_priv *priv);
extern void iwl3945_hw_build_tx_cmd_rate(struct iwl3945_priv *priv,
struct iwl3945_cmd *cmd,
- struct ieee80211_tx_control *ctrl,
+ struct ieee80211_tx_info *info,
struct ieee80211_hdr *hdr,
int sta_id, int tx_id);
extern int iwl3945_hw_reg_send_txpower(struct iwl3945_priv *priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index 7993a1d8302..f28b3cc272d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -785,8 +785,7 @@ out:
* mac80211 sends us Tx status
*/
static void rs_tx_status(void *priv_rate, struct net_device *dev,
- struct sk_buff *skb,
- struct ieee80211_tx_status *tx_resp)
+ struct sk_buff *skb)
{
int status;
u8 retries;
@@ -798,6 +797,7 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev,
struct iwl_priv *priv = (struct iwl_priv *)priv_rate;
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
struct ieee80211_hw *hw = local_to_hw(local);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct iwl4965_rate_scale_data *window = NULL;
struct iwl4965_rate_scale_data *search_win = NULL;
u32 tx_rate;
@@ -813,11 +813,11 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev,
return;
/* This packet was aggregated but doesn't carry rate scale info */
- if ((tx_resp->control.flags & IEEE80211_TXCTL_AMPDU) &&
- !(tx_resp->flags & IEEE80211_TX_STATUS_AMPDU))
+ if ((info->flags & IEEE80211_TX_CTL_AMPDU) &&
+ !(info->flags & IEEE80211_TX_STAT_AMPDU))
return;
- retries = tx_resp->retry_count;
+ retries = info->status.retry_count;
if (retries > 15)
retries = 15;
@@ -862,20 +862,20 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev,
if (priv->band == IEEE80211_BAND_5GHZ)
rs_index -= IWL_FIRST_OFDM_RATE;
- if ((tx_resp->control.tx_rate_idx < 0) ||
+ if ((info->tx_rate_idx < 0) ||
(tbl_type.is_SGI ^
- !!(tx_resp->control.flags & IEEE80211_TXCTL_SHORT_GI)) ||
+ !!(info->flags & IEEE80211_TX_CTL_SHORT_GI)) ||
(tbl_type.is_fat ^
- !!(tx_resp->control.flags & IEEE80211_TXCTL_40_MHZ_WIDTH)) ||
+ !!(info->flags & IEEE80211_TX_CTL_40_MHZ_WIDTH)) ||
(tbl_type.is_dup ^
- !!(tx_resp->control.flags & IEEE80211_TXCTL_DUP_DATA)) ||
- (tbl_type.ant_type ^ tx_resp->control.antenna_sel_tx) ||
+ !!(info->flags & IEEE80211_TX_CTL_DUP_DATA)) ||
+ (tbl_type.ant_type ^ info->antenna_sel_tx) ||
(!!(tx_rate & RATE_MCS_HT_MSK) ^
- !!(tx_resp->control.flags & IEEE80211_TXCTL_OFDM_HT)) ||
+ !!(info->flags & IEEE80211_TX_CTL_OFDM_HT)) ||
(!!(tx_rate & RATE_MCS_GF_MSK) ^
- !!(tx_resp->control.flags & IEEE80211_TXCTL_GREEN_FIELD)) ||
+ !!(info->flags & IEEE80211_TX_CTL_GREEN_FIELD)) ||
(hw->wiphy->bands[priv->band]->bitrates[rs_index].bitrate !=
- hw->wiphy->bands[tx_resp->control.band]->bitrates[tx_resp->control.tx_rate_idx].bitrate)) {
+ hw->wiphy->bands[info->band]->bitrates[info->tx_rate_idx].bitrate)) {
IWL_DEBUG_RATE("initial rate does not match 0x%x\n", tx_rate);
goto out;
}
@@ -929,10 +929,7 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev,
rs_get_tbl_info_from_mcs(tx_rate, priv->band, &tbl_type, &rs_index);
/* Update frame history window with "success" if Tx got ACKed ... */
- if (tx_resp->flags & IEEE80211_TX_STATUS_ACK)
- status = 1;
- else
- status = 0;
+ status = !!(info->flags & IEEE80211_TX_STAT_ACK);
/* If type matches "search" table,
* add final tx status to "search" history */
@@ -943,10 +940,10 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev,
tpt = search_tbl->expected_tpt[rs_index];
else
tpt = 0;
- if (tx_resp->control.flags & IEEE80211_TXCTL_AMPDU)
+ if (info->flags & IEEE80211_TX_CTL_AMPDU)
rs_collect_tx_data(search_win, rs_index, tpt,
- tx_resp->ampdu_ack_len,
- tx_resp->ampdu_ack_map);
+ info->status.ampdu_ack_len,
+ info->status.ampdu_ack_map);
else
rs_collect_tx_data(search_win, rs_index, tpt,
1, status);
@@ -959,10 +956,10 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev,
tpt = curr_tbl->expected_tpt[rs_index];
else
tpt = 0;
- if (tx_resp->control.flags & IEEE80211_TXCTL_AMPDU)
+ if (info->flags & IEEE80211_TX_CTL_AMPDU)
rs_collect_tx_data(window, rs_index, tpt,
- tx_resp->ampdu_ack_len,
- tx_resp->ampdu_ack_map);
+ info->status.ampdu_ack_len,
+ info->status.ampdu_ack_map);
else
rs_collect_tx_data(window, rs_index, tpt,
1, status);
@@ -971,10 +968,10 @@ static void rs_tx_status(void *priv_rate, struct net_device *dev,
/* If not searching for new mode, increment success/failed counter
* ... these help determine when to start searching again */
if (lq_sta->stay_in_tbl) {
- if (tx_resp->control.flags & IEEE80211_TXCTL_AMPDU) {
- lq_sta->total_success += tx_resp->ampdu_ack_map;
+ if (info->flags & IEEE80211_TX_CTL_AMPDU) {
+ lq_sta->total_success += info->status.ampdu_ack_map;
lq_sta->total_failed +=
- (tx_resp->ampdu_ack_len - tx_resp->ampdu_ack_map);
+ (info->status.ampdu_ack_len - info->status.ampdu_ack_map);
} else {
if (status)
lq_sta->total_success++;
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index fb670b5cfeb..ca9ca92bb7f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -357,22 +357,22 @@ int iwl4965_hwrate_to_plcp_idx(u32 rate_n_flags)
* translate ucode response to mac80211 tx status control values
*/
void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
- struct ieee80211_tx_control *control)
+ struct ieee80211_tx_info *control)
{
int rate_index;
control->antenna_sel_tx =
((rate_n_flags & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS);
if (rate_n_flags & RATE_MCS_HT_MSK)
- control->flags |= IEEE80211_TXCTL_OFDM_HT;
+ control->flags |= IEEE80211_TX_CTL_OFDM_HT;
if (rate_n_flags & RATE_MCS_GF_MSK)
- control->flags |= IEEE80211_TXCTL_GREEN_FIELD;
+ control->flags |= IEEE80211_TX_CTL_GREEN_FIELD;
if (rate_n_flags & RATE_MCS_FAT_MSK)
- control->flags |= IEEE80211_TXCTL_40_MHZ_WIDTH;
+ control->flags |= IEEE80211_TX_CTL_40_MHZ_WIDTH;
if (rate_n_flags & RATE_MCS_DUP_MSK)
- control->flags |= IEEE80211_TXCTL_DUP_DATA;
+ control->flags |= IEEE80211_TX_CTL_DUP_DATA;
if (rate_n_flags & RATE_MCS_SGI_MSK)
- control->flags |= IEEE80211_TXCTL_SHORT_GI;
+ control->flags |= IEEE80211_TX_CTL_SHORT_GI;
rate_index = iwl4965_hwrate_to_plcp_idx(rate_n_flags);
if (control->band == IEEE80211_BAND_5GHZ)
rate_index -= IWL_FIRST_OFDM_RATE;
@@ -3007,7 +3007,7 @@ static int iwl4965_tx_status_reply_compressed_ba(struct iwl_priv *priv,
u16 scd_flow = le16_to_cpu(ba_resp->scd_flow);
u64 bitmap;
int successes = 0;
- struct ieee80211_tx_status *tx_status;
+ struct ieee80211_tx_info *info;
if (unlikely(!agg->wait_for_ba)) {
IWL_ERROR("Received BA when not expected\n");
@@ -3045,13 +3045,13 @@ static int iwl4965_tx_status_reply_compressed_ba(struct iwl_priv *priv,
agg->start_idx + i);
}
- tx_status = &priv->txq[scd_flow].txb[agg->start_idx].status;
- tx_status->flags = IEEE80211_TX_STATUS_ACK;
- tx_status->flags |= IEEE80211_TX_STATUS_AMPDU;
- tx_status->ampdu_ack_map = successes;
- tx_status->ampdu_ack_len = agg->frame_count;
- iwl4965_hwrate_to_tx_control(priv, agg->rate_n_flags,
- &tx_status->control);
+ info = IEEE80211_SKB_CB(priv->txq[scd_flow].txb[agg->start_idx].skb[0]);
+ memset(&info->status, 0, sizeof(info->status));
+ info->flags = IEEE80211_TX_STAT_ACK;
+ info->flags |= IEEE80211_TX_STAT_AMPDU;
+ info->status.ampdu_ack_map = successes;
+ info->status.ampdu_ack_len = agg->frame_count;
+ iwl4965_hwrate_to_tx_control(priv, agg->rate_n_flags, info);
IWL_DEBUG_TX_REPLY("Bitmap %llx\n", (unsigned long long)bitmap);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index a8d062f7b87..ad7422eadab 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -207,8 +207,7 @@ void iwl_rx_allocate(struct iwl_priv *priv);
* TX
******************************************************/
int iwl_txq_ctx_reset(struct iwl_priv *priv);
-int iwl_tx_skb(struct iwl_priv *priv,
- struct sk_buff *skb, struct ieee80211_tx_control *ctl);
+int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb);
/* FIXME: remove when free Tx is fully merged into iwlcore */
int iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
void iwl_hw_txq_ctx_free(struct iwl_priv *priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 820542bac44..f7fd8ea6177 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -119,7 +119,6 @@ struct iwl_queue {
/* One for each TFD */
struct iwl_tx_info {
- struct ieee80211_tx_status status;
struct sk_buff *skb[MAX_NUM_OF_TBS];
};
@@ -693,7 +692,7 @@ extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
struct iwl_frame *frame, u8 rate);
extern void iwl4965_hw_build_tx_cmd_rate(struct iwl_priv *priv,
struct iwl_cmd *cmd,
- struct ieee80211_tx_control *ctrl,
+ struct ieee80211_tx_info *info,
struct ieee80211_hdr *hdr,
int sta_id, int tx_id);
extern int iwl4965_hw_reg_send_txpower(struct iwl_priv *priv);
@@ -749,7 +748,7 @@ extern void iwl4965_update_rate_scaling(struct iwl_priv *priv, u8 mode);
extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
extern void iwl4965_hwrate_to_tx_control(struct iwl_priv *priv,
u32 rate_n_flags,
- struct ieee80211_tx_control *control);
+ struct ieee80211_tx_info *info);
#ifdef CONFIG_IWL4965_HT
extern void iwl4965_init_ht_hw_capab(const struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 4b5149c8c32..a61293ba3f6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -502,7 +502,7 @@ int iwl_txq_ctx_reset(struct iwl_priv *priv)
*/
static void iwl_tx_cmd_build_basic(struct iwl_priv *priv,
struct iwl_tx_cmd *tx_cmd,
- struct ieee80211_tx_control *ctrl,
+ struct ieee80211_tx_info *info,
struct ieee80211_hdr *hdr,
int is_unicast, u8 std_id)
{
@@ -510,7 +510,7 @@ static void iwl_tx_cmd_build_basic(struct iwl_priv *priv,
__le32 tx_flags = tx_cmd->tx_flags;
tx_cmd->stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
- if (!(ctrl->flags & IEEE80211_TXCTL_NO_ACK)) {
+ if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
tx_flags |= TX_CMD_FLG_ACK_MSK;
if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)
tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
@@ -538,10 +538,10 @@ static void iwl_tx_cmd_build_basic(struct iwl_priv *priv,
tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
}
- if (ctrl->flags & IEEE80211_TXCTL_USE_RTS_CTS) {
+ if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
tx_flags |= TX_CMD_FLG_RTS_MSK;
tx_flags &= ~TX_CMD_FLG_CTS_MSK;
- } else if (ctrl->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) {
+ } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
tx_flags &= ~TX_CMD_FLG_RTS_MSK;
tx_flags |= TX_CMD_FLG_CTS_MSK;
}
@@ -570,7 +570,7 @@ static void iwl_tx_cmd_build_basic(struct iwl_priv *priv,
static void iwl_tx_cmd_build_rate(struct iwl_priv *priv,
struct iwl_tx_cmd *tx_cmd,
- struct ieee80211_tx_control *ctrl,
+ struct ieee80211_tx_info *info,
u16 fc, int sta_id,
int is_hcca)
{
@@ -580,7 +580,7 @@ static void iwl_tx_cmd_build_rate(struct iwl_priv *priv,
u16 rate_flags = 0;
int rate_idx;
- rate_idx = min(ieee80211_get_tx_rate(priv->hw, ctrl)->hw_value & 0xffff,
+ rate_idx = min(ieee80211_get_tx_rate(priv->hw, info)->hw_value & 0xffff,
IWL_RATE_COUNT - 1);
rate_plcp = iwl_rates[rate_idx].plcp;
@@ -637,18 +637,18 @@ static void iwl_tx_cmd_build_rate(struct iwl_priv *priv,
}
static void iwl_tx_cmd_build_hwcrypto(struct iwl_priv *priv,
- struct ieee80211_tx_control *ctl,
+ struct ieee80211_tx_info *info,
struct iwl_tx_cmd *tx_cmd,
struct sk_buff *skb_frag,
int sta_id)
{
- struct ieee80211_key_conf *keyconf = ctl->hw_key;
+ struct ieee80211_key_conf *keyconf = info->control.hw_key;
switch (keyconf->alg) {
case ALG_CCMP:
tx_cmd->sec_ctl = TX_CMD_SEC_CCM;
memcpy(tx_cmd->key, keyconf->key, keyconf->keylen);
- if (ctl->flags & IEEE80211_TXCTL_AMPDU)
+ if (info->flags & IEEE80211_TX_CTL_AMPDU)
tx_cmd->tx_flags |= TX_CMD_FLG_AGG_CCMP_MSK;
IWL_DEBUG_TX("tx_cmd with aes hwcrypto\n");
break;
@@ -690,13 +690,13 @@ static void iwl_update_tx_stats(struct iwl_priv *priv, u16 fc, u16 len)
/*
* start REPLY_TX command process
*/
-int iwl_tx_skb(struct iwl_priv *priv,
- struct sk_buff *skb, struct ieee80211_tx_control *ctl)
+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 = ctl->queue;
+ int txq_id = info->queue;
struct iwl_tx_queue *txq = NULL;
struct iwl_queue *q = NULL;
dma_addr_t phys_addr;
@@ -726,7 +726,7 @@ int iwl_tx_skb(struct iwl_priv *priv,
goto drop_unlock;
}
- if ((ieee80211_get_tx_rate(priv->hw, ctl)->hw_value & 0xFF) ==
+ if ((ieee80211_get_tx_rate(priv->hw, info)->hw_value & 0xFF) ==
IWL_INVALID_RATE) {
IWL_ERROR("ERROR: No TX rate available.\n");
goto drop_unlock;
@@ -782,7 +782,7 @@ int iwl_tx_skb(struct iwl_priv *priv,
seq_number += 0x10;
#ifdef CONFIG_IWL4965_HT
/* aggregation is on for this <sta,tid> */
- if (ctl->flags & IEEE80211_TXCTL_AMPDU)
+ if (info->flags & IEEE80211_TX_CTL_AMPDU)
txq_id = priv->stations[sta_id].tid[tid].agg.txq_id;
priv->stations[sta_id].tid[tid].tfds_in_queue++;
#endif /* CONFIG_IWL4965_HT */
@@ -803,8 +803,6 @@ int iwl_tx_skb(struct iwl_priv *priv,
/* Set up driver data for this TFD */
memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl_tx_info));
txq->txb[q->write_ptr].skb[0] = skb;
- memcpy(&(txq->txb[q->write_ptr].status.control),
- ctl, sizeof(struct ieee80211_tx_control));
/* Set up first empty entry in queue's array of Tx/cmd buffers */
out_cmd = &txq->cmd[idx];
@@ -854,8 +852,8 @@ int iwl_tx_skb(struct iwl_priv *priv,
* first entry */
iwl_hw_txq_attach_buf_to_tfd(priv, tfd, txcmd_phys, len);
- if (!(ctl->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT))
- iwl_tx_cmd_build_hwcrypto(priv, ctl, tx_cmd, skb, sta_id);
+ if (!(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT))
+ iwl_tx_cmd_build_hwcrypto(priv, info, tx_cmd, skb, sta_id);
/* Set up TFD's 2nd entry to point directly to remainder of skb,
* if any (802.11 null frames have no payload). */
@@ -874,10 +872,10 @@ int iwl_tx_skb(struct iwl_priv *priv,
len = (u16)skb->len;
tx_cmd->len = cpu_to_le16(len);
/* TODO need this for burst mode later on */
- iwl_tx_cmd_build_basic(priv, tx_cmd, ctl, hdr, unicast, sta_id);
+ iwl_tx_cmd_build_basic(priv, tx_cmd, info, hdr, unicast, sta_id);
/* set is_hcca to 0; it probably will never be implemented */
- iwl_tx_cmd_build_rate(priv, tx_cmd, ctl, fc, sta_id, 0);
+ iwl_tx_cmd_build_rate(priv, tx_cmd, info, fc, sta_id, 0);
iwl_update_tx_stats(priv, fc, len);
@@ -919,7 +917,7 @@ int iwl_tx_skb(struct iwl_priv *priv,
spin_unlock_irqrestore(&priv->lock, flags);
}
- ieee80211_stop_queue(priv->hw, ctl->queue);
+ ieee80211_stop_queue(priv->hw, info->queue);
}
return 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index a28b4c9f652..a740a1817d1 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2376,13 +2376,13 @@ static int iwl3945_set_mode(struct iwl3945_priv *priv, int mode)
}
static void iwl3945_build_tx_cmd_hwcrypto(struct iwl3945_priv *priv,
- struct ieee80211_tx_control *ctl,
+ struct ieee80211_tx_info *info,
struct iwl3945_cmd *cmd,
struct sk_buff *skb_frag,
int last_frag)
{
struct iwl3945_hw_key *keyinfo =
- &priv->stations[ctl->hw_key->hw_key_idx].keyinfo;
+ &priv->stations[info->control.hw_key->hw_key_idx].keyinfo;
switch (keyinfo->alg) {
case ALG_CCMP:
@@ -2405,7 +2405,7 @@ static void iwl3945_build_tx_cmd_hwcrypto(struct iwl3945_priv *priv,
case ALG_WEP:
cmd->cmd.tx.sec_ctl = TX_CMD_SEC_WEP |
- (ctl->hw_key->hw_key_idx & TX_CMD_SEC_MSK) << TX_CMD_SEC_SHIFT;
+ (info->control.hw_key->hw_key_idx & TX_CMD_SEC_MSK) << TX_CMD_SEC_SHIFT;
if (keyinfo->keylen == 13)
cmd->cmd.tx.sec_ctl |= TX_CMD_SEC_KEY128;
@@ -2413,7 +2413,7 @@ static void iwl3945_build_tx_cmd_hwcrypto(struct iwl3945_priv *priv,
memcpy(&cmd->cmd.tx.key[3], keyinfo->key, keyinfo->keylen);
IWL_DEBUG_TX("Configuring packet for WEP encryption "
- "with key %d\n", ctl->hw_key->hw_key_idx);
+ "with key %d\n", info->control.hw_key->hw_key_idx);
break;
default:
@@ -2427,7 +2427,7 @@ static void iwl3945_build_tx_cmd_hwcrypto(struct iwl3945_priv *priv,
*/
static void iwl3945_build_tx_cmd_basic(struct iwl3945_priv *priv,
struct iwl3945_cmd *cmd,
- struct ieee80211_tx_control *ctrl,
+ struct ieee80211_tx_info *info,
struct ieee80211_hdr *hdr,
int is_unicast, u8 std_id)
{
@@ -2435,7 +2435,7 @@ static void iwl3945_build_tx_cmd_basic(struct iwl3945_priv *priv,
__le32 tx_flags = cmd->cmd.tx.tx_flags;
cmd->cmd.tx.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
- if (!(ctrl->flags & IEEE80211_TXCTL_NO_ACK)) {
+ if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
tx_flags |= TX_CMD_FLG_ACK_MSK;
if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT)
tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
@@ -2459,10 +2459,10 @@ static void iwl3945_build_tx_cmd_basic(struct iwl3945_priv *priv,
tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
}
- if (ctrl->flags & IEEE80211_TXCTL_USE_RTS_CTS) {
+ if (info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) {
tx_flags |= TX_CMD_FLG_RTS_MSK;
tx_flags &= ~TX_CMD_FLG_CTS_MSK;
- } else if (ctrl->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) {
+ } else if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
tx_flags &= ~TX_CMD_FLG_RTS_MSK;
tx_flags |= TX_CMD_FLG_CTS_MSK;
}
@@ -2546,13 +2546,13 @@ static int iwl3945_get_sta_id(struct iwl3945_priv *priv, struct ieee80211_hdr *h
/*
* start REPLY_TX command process
*/
-static int iwl3945_tx_skb(struct iwl3945_priv *priv,
- struct sk_buff *skb, struct ieee80211_tx_control *ctl)
+static int iwl3945_tx_skb(struct iwl3945_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 iwl3945_tfd_frame *tfd;
u32 *control_flags;
- int txq_id = ctl->queue;
+ int txq_id = info->queue;
struct iwl3945_tx_queue *txq = NULL;
struct iwl3945_queue *q = NULL;
dma_addr_t phys_addr;
@@ -2581,7 +2581,7 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv,
goto drop_unlock;
}
- if ((ieee80211_get_tx_rate(priv->hw, ctl)->hw_value & 0xFF) == IWL_INVALID_RATE) {
+ if ((ieee80211_get_tx_rate(priv->hw, info)->hw_value & 0xFF) == IWL_INVALID_RATE) {
IWL_ERROR("ERROR: No TX rate available.\n");
goto drop_unlock;
}
@@ -2650,8 +2650,6 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv,
/* Set up driver data for this TFD */
memset(&(txq->txb[q->write_ptr]), 0, sizeof(struct iwl3945_tx_info));
txq->txb[q->write_ptr].skb[0] = skb;
- memcpy(&(txq->txb[q->write_ptr].status.control),
- ctl, sizeof(struct ieee80211_tx_control));
/* Init first empty entry in queue's array of Tx/cmd buffers */
out_cmd = &txq->cmd[idx];
@@ -2700,8 +2698,8 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv,
* first entry */
iwl3945_hw_txq_attach_buf_to_tfd(priv, tfd, txcmd_phys, len);
- if (!(ctl->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT))
- iwl3945_build_tx_cmd_hwcrypto(priv, ctl, out_cmd, skb, 0);
+ if (!(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT))
+ iwl3945_build_tx_cmd_hwcrypto(priv, info, out_cmd, skb, 0);
/* Set up TFD's 2nd entry to point directly to remainder of skb,
* if any (802.11 null frames have no payload). */
@@ -2726,10 +2724,10 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv,
out_cmd->cmd.tx.len = cpu_to_le16(len);
/* TODO need this for burst mode later on */
- iwl3945_build_tx_cmd_basic(priv, out_cmd, ctl, hdr, unicast, sta_id);
+ iwl3945_build_tx_cmd_basic(priv, out_cmd, info, hdr, unicast, sta_id);
/* set is_hcca to 0; it probably will never be implemented */
- iwl3945_hw_build_tx_cmd_rate(priv, out_cmd, ctl, hdr, sta_id, 0);
+ iwl3945_hw_build_tx_cmd_rate(priv, out_cmd, info, hdr, sta_id, 0);
out_cmd->cmd.tx.tx_flags &= ~TX_CMD_FLG_ANT_A_MSK;
out_cmd->cmd.tx.tx_flags &= ~TX_CMD_FLG_ANT_B_MSK;
@@ -2767,7 +2765,7 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv,
spin_unlock_irqrestore(&priv->lock, flags);
}
- ieee80211_stop_queue(priv->hw, ctl->queue);
+ ieee80211_stop_queue(priv->hw, info->queue);
}
return 0;
@@ -3230,7 +3228,7 @@ static void iwl3945_bg_beacon_update(struct work_struct *work)
struct sk_buff *beacon;
/* Pull updated AP beacon from mac80211. will fail if not in AP mode */
- beacon = ieee80211_beacon_get(priv->hw, priv->vif, NULL);
+ beacon = ieee80211_beacon_get(priv->hw, priv->vif);
if (!beacon) {
IWL_ERROR("update beacon failed\n");
@@ -6681,8 +6679,7 @@ static void iwl3945_mac_stop(struct ieee80211_hw *hw)
IWL_DEBUG_MAC80211("leave\n");
}
-static int iwl3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct ieee80211_tx_control *ctl)
+static int iwl3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct iwl3945_priv *priv = hw->priv;
@@ -6694,9 +6691,9 @@ static int iwl3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
}
IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
- ieee80211_get_tx_rate(hw, ctl)->bitrate);
+ ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
- if (iwl3945_tx_skb(priv, skb, ctl))
+ if (iwl3945_tx_skb(priv, skb))
dev_kfree_skb_any(skb);
IWL_DEBUG_MAC80211("leave\n");
@@ -7333,8 +7330,7 @@ static void iwl3945_mac_reset_tsf(struct ieee80211_hw *hw)
}
-static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct ieee80211_tx_control *control)
+static int iwl3945_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct iwl3945_priv *priv = hw->priv;
unsigned long flags;
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 1fad6227aa5..07c52b69d1e 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -1606,17 +1606,7 @@ static int iwl4965_get_measurement(struct iwl_priv *priv,
static void iwl4965_txstatus_to_ieee(struct iwl_priv *priv,
struct iwl_tx_info *tx_sta)
{
-
- tx_sta->status.ack_signal = 0;
- tx_sta->status.excessive_retries = 0;
-
- if (in_interrupt())
- ieee80211_tx_status_irqsafe(priv->hw,
- tx_sta->skb[0], &(tx_sta->status));
- else
- ieee80211_tx_status(priv->hw,
- tx_sta->skb[0], &(tx_sta->status));
-
+ ieee80211_tx_status_irqsafe(priv->hw, tx_sta->skb[0]);
tx_sta->skb[0] = NULL;
}
@@ -1710,7 +1700,7 @@ static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
{
u16 status;
struct agg_tx_status *frame_status = &tx_resp->status;
- struct ieee80211_tx_status *tx_status = NULL;
+ struct ieee80211_tx_info *info = NULL;
struct ieee80211_hdr *hdr = NULL;
int i, sh;
int txq_id, idx;
@@ -1736,14 +1726,14 @@ static int iwl4965_tx_status_reply_tx(struct iwl_priv *priv,
IWL_DEBUG_TX_REPLY("FrameCnt = %d, StartIdx=%d idx=%d\n",
agg->frame_count, agg->start_idx, idx);
- tx_status = &(priv->txq[txq_id].txb[idx].status);
- tx_status->retry_count = tx_resp->failure_frame;
- tx_status->control.flags &= ~IEEE80211_TXCTL_AMPDU;
- tx_status->flags = iwl4965_is_tx_success(status)?
- IEEE80211_TX_STATUS_ACK : 0;
+ info = IEEE80211_SKB_CB(priv->txq[txq_id].txb[idx].skb[0]);
+ info->status.retry_count = tx_resp->failure_frame;
+ info->flags &= ~IEEE80211_TX_CTL_AMPDU;
+ info->flags |= iwl4965_is_tx_success(status)?
+ IEEE80211_TX_STAT_ACK : 0;
iwl4965_hwrate_to_tx_control(priv,
le32_to_cpu(tx_resp->rate_n_flags),
- &tx_status->control);
+ info);
/* FIXME: code repetition end */
IWL_DEBUG_TX_REPLY("1 Frame 0x%x failure :%d\n",
@@ -1830,7 +1820,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
int txq_id = SEQ_TO_QUEUE(sequence);
int index = SEQ_TO_INDEX(sequence);
struct iwl_tx_queue *txq = &priv->txq[txq_id];
- struct ieee80211_tx_status *tx_status;
+ struct ieee80211_tx_info *info;
struct iwl4965_tx_resp *tx_resp = (void *)&pkt->u.raw[0];
u32 status = le32_to_cpu(tx_resp->status);
#ifdef CONFIG_IWL4965_HT
@@ -1848,6 +1838,9 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
return;
}
+ info = IEEE80211_SKB_CB(txq->txb[txq->q.read_ptr].skb[0]);
+ memset(&info->status, 0, sizeof(info->status));
+
#ifdef CONFIG_IWL4965_HT
hdr = iwl4965_tx_queue_get_hdr(priv, txq_id, index);
fc = le16_to_cpu(hdr->frame_control);
@@ -1902,13 +1895,12 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
}
} else {
#endif /* CONFIG_IWL4965_HT */
- tx_status = &(txq->txb[txq->q.read_ptr].status);
- tx_status->retry_count = tx_resp->failure_frame;
- tx_status->flags =
- iwl4965_is_tx_success(status) ? IEEE80211_TX_STATUS_ACK : 0;
+ info->status.retry_count = tx_resp->failure_frame;
+ info->flags |=
+ iwl4965_is_tx_success(status) ? IEEE80211_TX_STAT_ACK : 0;
iwl4965_hwrate_to_tx_control(priv, le32_to_cpu(tx_resp->rate_n_flags),
- &tx_status->control);
+ info);
IWL_DEBUG_TX("Tx queue %d Status %s (0x%08x) rate_n_flags 0x%x "
"retries %d\n", txq_id, iwl4965_get_tx_fail_reason(status),
@@ -2053,7 +2045,7 @@ static void iwl4965_bg_beacon_update(struct work_struct *work)
struct sk_buff *beacon;
/* Pull updated AP beacon from mac80211. will fail if not in AP mode */
- beacon = ieee80211_beacon_get(priv->hw, priv->vif, NULL);
+ beacon = ieee80211_beacon_get(priv->hw, priv->vif);
if (!beacon) {
IWL_ERROR("update beacon failed\n");
@@ -4268,8 +4260,7 @@ static void iwl4965_mac_stop(struct ieee80211_hw *hw)
IWL_DEBUG_MAC80211("leave\n");
}
-static int iwl4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct ieee80211_tx_control *ctl)
+static int iwl4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct iwl_priv *priv = hw->priv;
@@ -4281,9 +4272,9 @@ static int iwl4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
}
IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
- ieee80211_get_tx_rate(hw, ctl)->bitrate);
+ ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate);
- if (iwl_tx_skb(priv, skb, ctl))
+ if (iwl_tx_skb(priv, skb))
dev_kfree_skb_any(skb);
IWL_DEBUG_MAC80211("leave\n");
@@ -5065,8 +5056,7 @@ static void iwl4965_mac_reset_tsf(struct ieee80211_hw *hw)
IWL_DEBUG_MAC80211("leave\n");
}
-static int iwl4965_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb,
- struct ieee80211_tx_control *control)
+static int iwl4965_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct iwl_priv *priv = hw->priv;
unsigned long flags;