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wifi: iwlwifi: mvm: update IGTK in mvmvif upon D3 resume

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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: 04f78e242f ("wifi: iwlwifi: mvm: Add support for IGTK in D3 resume flow")
Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231017115047.8ceaf7e5ece7.Ief444f6a2703ed76648b4d414f12bb4130bab36e@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Yedidya Benshimol 2023-10-17 12:16:48 +03:00 committed by Johannes Berg
parent ff8e3a40d7
commit ac0c6fdc4c
1 changed files with 10 additions and 0 deletions
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10
drivers/net/wireless/intel/iwlwifi/mvm/d3.c
View file

@ -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;
}