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author | Luciano Coelho <luciano.coelho@intel.com> | 2014-05-08 13:03:39 (GMT) |
---|---|---|
committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2014-09-03 19:49:08 (GMT) |
commit | 0ce04ce797f87cdb6e10deef6a6081366be8bcc0 (patch) | |
tree | 78c14c83da7c0b7afadafcbf3a42bba210c085cd | |
parent | 8b4139dc9f2171f313fc703c08269f6f8a6f6fc4 (diff) | |
download | linux-0ce04ce797f87cdb6e10deef6a6081366be8bcc0.tar.xz |
iwlwifi: mvm: set the TX disable bit when doing a chanctx switch
During a channel switch we should tell the firmware to disable TX
temporarily and re-enable it after the switch is done.
Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
-rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mac80211.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index cbe9ff0..3bbeedf 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -2748,6 +2748,19 @@ static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm, iwl_mvm_mac_ctxt_changed(mvm, vif, false); } + if (vif->csa_active && vif->type == NL80211_IFTYPE_STATION) { + struct iwl_mvm_sta *mvmsta; + + mvmsta = iwl_mvm_sta_from_staid_protected(mvm, + mvmvif->ap_sta_id); + + if (WARN_ON(!mvmsta)) + goto out; + + /* TODO: only re-enable after the first beacon */ + iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); + } + goto out; out_remove_binding: @@ -2779,6 +2792,7 @@ static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, { struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); struct ieee80211_vif *disabled_vif = NULL; + struct iwl_mvm_sta *mvmsta; lockdep_assert_held(&mvm->mutex); @@ -2810,6 +2824,12 @@ static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm, disabled_vif = vif; + mvmsta = iwl_mvm_sta_from_staid_protected(mvm, + mvmvif->ap_sta_id); + + if (!WARN_ON(!mvmsta)) + iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, true); + iwl_mvm_mac_ctxt_changed(mvm, vif, true); break; default: |