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iwlwifi: mvm: re-enable TX after channel switch 

The FW relies on the re-enablement of the TX in order to know
it can exit quiet mode. Currently in case of CSA with quiet mode,
the quiet mode is never cancelled, resulting in a complete traffic
hang.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201008180656.fee389c83ded.I09550fdadb61f899242d7e7b7578672372e2b7fe@changeid
This commit is contained in:
Sara Sharon 2020-10-08 18:09:44 +03:00 committed by Kalle Valo
parent 64f55156f7
commit df72037369
2 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
View File

@ -1597,9 +1597,7 @@ void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm,
RCU_INIT_POINTER(mvm->csa_vif, NULL);
return;
case NL80211_IFTYPE_STATION:
if (!fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD))
iwl_mvm_csa_client_absent(mvm, vif);
iwl_mvm_csa_client_absent(mvm, vif);
cancel_delayed_work(&mvmvif->csa_work);
ieee80211_chswitch_done(vif, true);
break;

4
drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
View File

@ -1370,9 +1370,7 @@ static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
goto out_unlock;
}
if (!fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_CHANNEL_SWITCH_CMD))
iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);