openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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: Arik Nemtsov <arikx.nemtsov@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Arik Nemtsov 2014-09-14 19:13:54 +03:00 committed by Emmanuel Grumbach
parent a74346d75d
commit cbd2ae2da6
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -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);
}