Revert "iwlwifi: dvm: don't enable CTS to self"

This reverts commit 43d826ca5979927131685cc2092c7ce862cb91cd.

This commit caused packet loss.

Cc: <stable@vger.kernel.org>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

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 6dc5dd3ced44..ed50de6362ed 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 ||