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Commit cbd2ae2d authored by Arik Nemtsov's avatar Arik Nemtsov Committed by Emmanuel Grumbach
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iwlwifi: mvm: disconnect TDLS peers on reconfig 



When TDLS peers are present the FW will send packets on a dedicated
TID vs. the peer when performing TDLS channel-switches. The driver
configures the TID on connection to the peer and the FW is responsible
for maintaining the state of QoS seqno and PN/IV for encryption.

If the FW asserts, the driver cannot correctly reconfigure the starting
seqno/PN to the reloaded FW, thus forcing us to reconnect the peer.

Signed-off-by: default avatarArik Nemtsov <arikx.nemtsov@intel.com>
Reviewed-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
parent a74346d7

drivers/net/wireless/iwlwifi/mvm/mac80211.c

+6 −0
Original line number Diff line number Diff line
@@ -948,6 +948,12 @@ static void iwl_mvm_restart_complete(struct iwl_mvm *mvm) 
	/* allow transport/FW low power modes */

	iwl_mvm_unref(mvm, IWL_MVM_REF_UCODE_DOWN);



	/*

	 * If we have TDLS peers, remove them. We don't know the last seqno/PN

	 * of packets the FW sent out, so we must reconnect.

	 */

	iwl_mvm_teardown_tdls_peers(mvm);



	mutex_unlock(&mvm->mutex);

}