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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-6000.c5
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rs.c9
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c10
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h2
4 files changed, 23 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index c295b8ee922..1473452ba22 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -175,6 +175,7 @@ struct iwl_cfg iwl6000h_2agn_cfg = {
.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
.shadow_ram_support = true,
.ht_greenfield_support = true,
+ .use_rts_for_ht = true, /* use rts/cts protection */
};
/*
@@ -198,6 +199,7 @@ struct iwl_cfg iwl6000i_2agn_cfg = {
.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
.shadow_ram_support = true,
.ht_greenfield_support = true,
+ .use_rts_for_ht = true, /* use rts/cts protection */
};
struct iwl_cfg iwl6050_2agn_cfg = {
@@ -218,6 +220,7 @@ struct iwl_cfg iwl6050_2agn_cfg = {
.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
.shadow_ram_support = true,
.ht_greenfield_support = true,
+ .use_rts_for_ht = true, /* use rts/cts protection */
};
struct iwl_cfg iwl6000_3agn_cfg = {
@@ -238,6 +241,7 @@ struct iwl_cfg iwl6000_3agn_cfg = {
.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
.shadow_ram_support = true,
.ht_greenfield_support = true,
+ .use_rts_for_ht = true, /* use rts/cts protection */
};
struct iwl_cfg iwl6050_3agn_cfg = {
@@ -258,6 +262,7 @@ struct iwl_cfg iwl6050_3agn_cfg = {
.max_ll_items = OTP_MAX_LL_ITEMS_6x00,
.shadow_ram_support = true,
.ht_greenfield_support = true,
+ .use_rts_for_ht = true, /* use rts/cts protection */
};
MODULE_FIRMWARE(IWL6000_MODULE_FIRMWARE(IWL6000_UCODE_API_MAX));
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index 346dc06fa7b..81726ee3285 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -418,6 +418,15 @@ static void rs_tl_turn_on_agg(struct iwl_priv *priv, u8 tid,
else if (tid == IWL_AGG_ALL_TID)
for (tid = 0; tid < TID_MAX_LOAD_COUNT; tid++)
rs_tl_turn_on_agg_for_tid(priv, lq_data, tid, sta);
+ if (priv->cfg->use_rts_for_ht) {
+ /*
+ * switch to RTS/CTS if it is the prefer protection method
+ * for HT traffic
+ */
+ IWL_DEBUG_HT(priv, "use RTS/CTS protection for HT\n");
+ priv->staging_rxon.flags &= ~RXON_FLG_SELF_CTS_EN;
+ iwlcore_commit_rxon(priv);
+ }
}
static inline int get_num_of_ant_from_rate(u32 rate_n_flags)
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 9b5ea8ba721..877af443aac 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -115,9 +115,6 @@ int iwl_commit_rxon(struct iwl_priv *priv)
/* always get timestamp with Rx frame */
priv->staging_rxon.flags |= RXON_FLG_TSF2HOST_MSK;
- /* allow CTS-to-self if possible. this is relevant only for
- * 5000, but will not damage 4965 */
- priv->staging_rxon.flags |= RXON_FLG_SELF_CTS_EN;
ret = iwl_check_rxon_cmd(priv);
if (ret) {
@@ -217,6 +214,13 @@ int iwl_commit_rxon(struct iwl_priv *priv)
"Could not send WEP static key.\n");
}
+ /*
+ * allow CTS-to-self if possible for new association.
+ * this is relevant only for 5000 series and up,
+ * but will not damage 4965
+ */
+ priv->staging_rxon.flags |= RXON_FLG_SELF_CTS_EN;
+
/* Apply the new configuration
* RXON assoc doesn't clear the station table in uCode,
*/
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index e50103a956b..7754538c219 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -213,6 +213,7 @@ struct iwl_mod_params {
* @pa_type: used by 6000 series only to identify the type of Power Amplifier
* @max_ll_items: max number of OTP blocks
* @shadow_ram_support: shadow support for OTP memory
+ * @use_rts_for_ht: use rts/cts protection for HT traffic
*
* We enable the driver to be backward compatible wrt API version. The
* driver specifies which APIs it supports (with @ucode_api_max being the
@@ -255,6 +256,7 @@ struct iwl_cfg {
const bool shadow_ram_support;
const bool ht_greenfield_support;
const bool broken_powersave;
+ bool use_rts_for_ht;
};
/***************************