Revert "iwlwifi: dvm: don't enable CTS to self"
authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Sun, 31 Aug 2014 19:11:11 +0000 (22:11 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 5 Oct 2014 21:52:18 +0000 (14:52 -0700)
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>
drivers/net/wireless/iwlwifi/dvm/rxon.c

index c1e3113..503a81e 100644 (file)
@@ -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 ||