diff options
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-core.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-core.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index 8ccb6d205b6d..2c03c6e20a72 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -401,21 +401,38 @@ 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 + * iwlcore_tx_cmd_protection: Set rts/cts. 3945 and 4965 only share this * function. */ -void iwlcore_rts_tx_cmd_flag(struct ieee80211_tx_info *info, - __le32 *tx_flags) +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_rts_tx_cmd_flag); +EXPORT_SYMBOL(iwlcore_tx_cmd_protection); + static bool is_single_rx_stream(struct iwl_priv *priv) { @@ -1869,6 +1886,10 @@ void iwl_bss_info_changed(struct ieee80211_hw *hw, priv->staging_rxon.flags |= RXON_FLG_TGG_PROTECT_MSK; else priv->staging_rxon.flags &= ~RXON_FLG_TGG_PROTECT_MSK; + if (bss_conf->use_cts_prot) + priv->staging_rxon.flags |= RXON_FLG_SELF_CTS_EN; + else + priv->staging_rxon.flags &= ~RXON_FLG_SELF_CTS_EN; } if (changes & BSS_CHANGED_BASIC_RATES) { |