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iwlwifi: legacy tx_cmd_protection function 

Legacy (4965 and 3945) devices has different tx_cmd_protection routine.
Move to iwl-legacy.c

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy 2010-11-10 09:56:41 -08:00 committed by John W. Linville
parent e39fdee1d7
commit 708068db4c
6 changed files with 40 additions and 39 deletions
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2
drivers/net/wireless/iwlwifi/iwl-3945.c
View File

@ -2749,7 +2749,7 @@ static const struct iwl_legacy_ops iwl3945_legacy_ops = {
static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = {
.get_hcmd_size = iwl3945_get_hcmd_size,
.build_addsta_hcmd = iwl3945_build_addsta_hcmd,
.tx_cmd_protection = iwlcore_tx_cmd_protection,
.tx_cmd_protection = iwl_legacy_tx_cmd_protection,
.request_scan = iwl3945_request_scan,
.post_scan = iwl3945_post_scan,
};

2
drivers/net/wireless/iwlwifi/iwl-4965.c
View File

@ -2514,7 +2514,7 @@ 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,
.tx_cmd_protection = iwlcore_tx_cmd_protection,
.tx_cmd_protection = iwl_legacy_tx_cmd_protection,
.calc_rssi = iwl4965_calc_rssi,
.request_scan = iwlagn_request_scan,
.post_scan = iwl4965_post_scan,

34
drivers/net/wireless/iwlwifi/iwl-core.c
View File

@ -288,40 +288,6 @@ void iwlcore_free_geos(struct iwl_priv *priv)
}
EXPORT_SYMBOL(iwlcore_free_geos);
/*
* iwlcore_tx_cmd_protection: Set rts/cts. 3945 and 4965 only share this
* function.
*/
void iwlcore_tx_cmd_protection(struct iwl_priv *priv,
struct ieee80211_tx_info *info,
__le16 fc, __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;
*tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK;
if (!ieee80211_is_mgmt(fc))
return;
switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
case cpu_to_le16(IEEE80211_STYPE_AUTH):
case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ):
case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ):
*tx_flags &= ~TX_CMD_FLG_RTS_MSK;
*tx_flags |= TX_CMD_FLG_CTS_MSK;
break;
}
} 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;
*tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK;
}
}
EXPORT_SYMBOL(iwlcore_tx_cmd_protection);
static bool iwl_is_channel_extension(struct iwl_priv *priv,
enum ieee80211_band band,
u16 channel, u8 extension_chan_offset)

4
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -447,9 +447,7 @@ int iwl_mac_change_interface(struct ieee80211_hw *hw,
enum nl80211_iftype newtype, bool newp2p);
int iwl_alloc_txq_mem(struct iwl_priv *priv);
void iwl_free_txq_mem(struct iwl_priv *priv);
void iwlcore_tx_cmd_protection(struct iwl_priv *priv,
struct ieee80211_tx_info *info,
__le16 fc, __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);

34
drivers/net/wireless/iwlwifi/iwl-legacy.c
View File

@ -620,3 +620,37 @@ none:
return IRQ_NONE;
}
EXPORT_SYMBOL(iwl_isr_legacy);
/*
* iwl_legacy_tx_cmd_protection: Set rts/cts. 3945 and 4965 only share this
* function.
*/
void iwl_legacy_tx_cmd_protection(struct iwl_priv *priv,
struct ieee80211_tx_info *info,
__le16 fc, __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;
*tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK;
if (!ieee80211_is_mgmt(fc))
return;
switch (fc & cpu_to_le16(IEEE80211_FCTL_STYPE)) {
case cpu_to_le16(IEEE80211_STYPE_AUTH):
case cpu_to_le16(IEEE80211_STYPE_DEAUTH):
case cpu_to_le16(IEEE80211_STYPE_ASSOC_REQ):
case cpu_to_le16(IEEE80211_STYPE_REASSOC_REQ):
*tx_flags &= ~TX_CMD_FLG_RTS_MSK;
*tx_flags |= TX_CMD_FLG_CTS_MSK;
break;
}
} 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;
*tx_flags |= TX_CMD_FLG_FULL_TXOP_PROT_MSK;
}
}
EXPORT_SYMBOL(iwl_legacy_tx_cmd_protection);

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

@ -70,6 +70,9 @@ void iwl_legacy_mac_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes);
void iwl_legacy_tx_cmd_protection(struct iwl_priv *priv,
struct ieee80211_tx_info *info,
__le16 fc, __le32 *tx_flags);
irqreturn_t iwl_isr_legacy(int irq, void *data);