Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (42 commits)
  cxgb3: fix premature page unmap
  ibm_newemac: Fix EMACx_TRTR[TRT] bit shifts
  vlan: Fix register_vlan_dev() error path
  gro: Fix illegal merging of trailer trash
  sungem: Fix Serdes detection.
  net: fix mdio section mismatch warning
  ppp: fix BUG on non-linear SKB (multilink receive)
  ixgbe: Fixing EEH handler to handle more than one error
  net: Fix the rollback test in dev_change_name()
  Revert "isdn: isdn_ppp: Use SKB list facilities instead of home-grown implementation."
  TI Davinci EMAC : Fix Console Hang when bringing the interface down
  smsc911x: Fix Console Hang when bringing the interface down.
  mISDN: fix error return in HFCmulti_init()
  forcedeth: mac address fix
  r6040: fix version printing
  Bluetooth: Fix regression with L2CAP configuration in Basic Mode
  Bluetooth: Select Basic Mode as default for SOCK_SEQPACKET
  Bluetooth: Set general bonding security for ACL by default
  r8169: Fix receive buffer length when MTU is between 1515 and 1536
  can: add the missing netlink get_xstats_size callback
  ...

5 files changed, 24 insertions, 3 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-1000.c b/drivers/net/wireless/iwlwifi/iwl-1000.c
index 2716b91ba9fa..950267ab556a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-1000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-1000.c
@@ -161,5 +161,6 @@ struct iwl_cfg iwl1000_bgn_cfg = {
 	.max_ll_items = OTP_MAX_LL_ITEMS_1000,
 	.shadow_ram_support = false,
 	.ht_greenfield_support = true,
+	.use_rts_for_ht = true, /* use rts/cts protection */
 };
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index c295b8ee9228..1473452ba22f 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 346dc06fa7b7..81726ee32858 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 eaafae091f5b..921dc4a26fe2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -116,9 +116,6 @@ 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) {
@@ -218,6 +215,13 @@ 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 e50103a956b1..7754538c2194 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;
 };
 
 /***************************