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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2014-08-31 22:11:11 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-10-05 14:52:18 -0700
commit253ba6c8856b9f00bca7fd32d170d9f319039aa7 (patch)
treef946ca83cea80181f3a181c59205333ae7fc533c /drivers/net/wireless
parent86fdf9ed355b37df7ca19bfa47f399494935a00d (diff)
Revert "iwlwifi: dvm: don't enable CTS to self"
commit f47f46d7b09cf1d09e4b44b6cc4dd7d68a08028c upstream. This reverts commit 43d826ca5979927131685cc2092c7ce862cb91cd. This commit caused packet loss. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/rxon.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c
index c1e311341b74..503a81e58185 100644
--- a/drivers/net/wireless/iwlwifi/dvm/rxon.c
+++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c
@@ -1068,6 +1068,13 @@ int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
/* recalculate basic rates */
iwl_calc_basic_rates(priv, ctx);
+ /*
+ * force CTS-to-self frames protection if RTS-CTS is not preferred
+ * one aggregation protection method
+ */
+ if (!priv->hw_params.use_rts_for_aggregation)
+ ctx->staging.flags |= RXON_FLG_SELF_CTS_EN;
+
if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) ||
!(ctx->staging.flags & RXON_FLG_BAND_24G_MSK))
ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
@@ -1473,6 +1480,11 @@ void iwlagn_bss_info_changed(struct ieee80211_hw *hw,
else
ctx->staging.flags &= ~RXON_FLG_TGG_PROTECT_MSK;
+ if (bss_conf->use_cts_prot)
+ ctx->staging.flags |= RXON_FLG_SELF_CTS_EN;
+ else
+ ctx->staging.flags &= ~RXON_FLG_SELF_CTS_EN;
+
memcpy(ctx->staging.bssid_addr, bss_conf->bssid, ETH_ALEN);
if (vif->type == NL80211_IFTYPE_AP ||