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iwlwifi/iwl3945: unify rts_tx_cmd_flag

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3945 and 4965 share the functionality for setting RTS and CTS to
the tx_cmd. Unify these functions and move the common
functionality to core.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Abhijeet Kolekar 2009-10-09 13:20:30 -07:00 committed by John W. Linville
parent 92a35bda79
commit 37dc70fea8
5 changed files with 22 additions and 21 deletions
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1
drivers/net/wireless/iwlwifi/iwl-3945.c
View File

@ -2826,6 +2826,7 @@ static struct iwl_lib_ops iwl3945_lib = {
static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = {
.get_hcmd_size = iwl3945_get_hcmd_size,
.build_addsta_hcmd = iwl3945_build_addsta_hcmd,
.rts_tx_cmd_flag = iwlcore_rts_tx_cmd_flag,
};
static struct iwl_ops iwl3945_ops = {

14
drivers/net/wireless/iwlwifi/iwl-4965.c
View File

@ -484,18 +484,6 @@ static void iwl4965_gain_computation(struct iwl_priv *priv,
data->beacon_count = 0;
}
static void iwl4965_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
__le32 *tx_flags)
{
if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
*tx_flags |= TX_CMD_FLG_RTS_MSK;
*tx_flags &= ~TX_CMD_FLG_CTS_MSK;
} else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
*tx_flags &= ~TX_CMD_FLG_RTS_MSK;
*tx_flags |= TX_CMD_FLG_CTS_MSK;
}
}
static void iwl4965_bg_txpower_work(struct work_struct *work)
{
struct iwl_priv *priv = container_of(work, struct iwl_priv,
@ -2212,7 +2200,7 @@ static struct iwl_hcmd_utils_ops iwl4965_hcmd_utils = {
.build_addsta_hcmd = iwl4965_build_addsta_hcmd,
.chain_noise_reset = iwl4965_chain_noise_reset,
.gain_computation = iwl4965_gain_computation,
.rts_tx_cmd_flag = iwl4965_rts_tx_cmd_flag,
.rts_tx_cmd_flag = iwlcore_rts_tx_cmd_flag,
.calc_rssi = iwl4965_calc_rssi,
};

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

@ -604,6 +604,23 @@ void iwlcore_free_geos(struct iwl_priv *priv)
}
EXPORT_SYMBOL(iwlcore_free_geos);
/*
* iwlcore_rts_tx_cmd_flag: Set rts/cts. 3945 and 4965 only share this
* function.
*/
void iwlcore_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
__le32 *tx_flags)
{
if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) {
*tx_flags |= TX_CMD_FLG_RTS_MSK;
*tx_flags &= ~TX_CMD_FLG_CTS_MSK;
} else if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
*tx_flags &= ~TX_CMD_FLG_RTS_MSK;
*tx_flags |= TX_CMD_FLG_CTS_MSK;
}
}
EXPORT_SYMBOL(iwlcore_rts_tx_cmd_flag);
static bool is_single_rx_stream(struct iwl_priv *priv)
{
return !priv->current_ht_config.is_ht ||

2
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -329,6 +329,8 @@ int iwl_mac_get_tx_stats(struct ieee80211_hw *hw,
void iwl_mac_reset_tsf(struct ieee80211_hw *hw);
int iwl_alloc_txq_mem(struct iwl_priv *priv);
void iwl_free_txq_mem(struct iwl_priv *priv);
void iwlcore_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
__le32 *tx_flags);
#ifdef CONFIG_IWLWIFI_DEBUGFS
int iwl_alloc_traffic_mem(struct iwl_priv *priv);
void iwl_free_traffic_mem(struct iwl_priv *priv);

9
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -408,7 +408,6 @@ static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv,
struct iwl3945_tx_cmd *tx = (struct iwl3945_tx_cmd *)cmd->cmd.payload;
__le32 tx_flags = tx->tx_flags;
__le16 fc = hdr->frame_control;
u8 rc_flags = info->control.rates[0].flags;
tx->stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE;
if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
@ -435,13 +434,7 @@ static void iwl3945_build_tx_cmd_basic(struct iwl_priv *priv,
tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
}
if (rc_flags & IEEE80211_TX_RC_USE_RTS_CTS) {
tx_flags |= TX_CMD_FLG_RTS_MSK;
tx_flags &= ~TX_CMD_FLG_CTS_MSK;
} else if (rc_flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
tx_flags &= ~TX_CMD_FLG_RTS_MSK;
tx_flags |= TX_CMD_FLG_CTS_MSK;
}
priv->cfg->ops->utils->rts_tx_cmd_flag(info, &tx_flags);
if ((tx_flags & TX_CMD_FLG_RTS_MSK) || (tx_flags & TX_CMD_FLG_CTS_MSK))
tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK;