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authorArik Nemtsov <arik@wizery.com>2014-09-14 19:13:54 +0300
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2014-11-24 08:30:22 +0200
commitcbd2ae2da6497b507f89849dffd972a474058480 (patch)
treec9f675343b478e28fb8f983d79e3272bdff2ce69
parenta74346d75de0f69f0843b4bfa8f95eccaf7c0edf (diff)
downloadop-kernel-dev-cbd2ae2da6497b507f89849dffd972a474058480.zip
op-kernel-dev-cbd2ae2da6497b507f89849dffd972a474058480.tar.gz
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>
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mac80211.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 801abcf..3883a86 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -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);
}
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