From: Yedidya Benshimol <yedidya.ben.shimol@xxxxxxxxx>
During the D3 resume flow, all new rekeys are passed from the FW.
Because the FW supports only one IGTK at a time, every IGTK rekey
update should be done by removing the last IGTK. The mvmvif holds a
pointer to the last IGTK for that reason and thus should be updated
when a new IGTK is passed upon resume.
Fixes: 04f78e242fff ("wifi: iwlwifi: mvm: Add support for IGTK in D3 resume flow")
Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@xxxxxxxxx>
Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx>
---
drivers/net/wireless/intel/iwlwifi/mvm/d3.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index ffb1fdd7ee32..46ee280231ea 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -2031,6 +2031,16 @@ iwl_mvm_d3_igtk_bigtk_rekey_add(struct iwl_wowlan_status_data *status,
if (IS_ERR(key_config))
return false;
ieee80211_set_key_rx_seq(key_config, 0, &seq);
+
+ if (key_config->keyidx == 4 || key_config->keyidx == 5) {
+ struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ int link_id = vif->active_links ? __ffs(vif->active_links) : 0;
+ struct iwl_mvm_vif_link_info *mvm_link =
+ mvmvif->link[link_id];
+
+ mvm_link->igtk = key_config;
+ }
+
return true;
}
--
2.38.1
