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iwlwifi: mvm: advertise BIGTK client support if available

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If the firmware has support, then advertise it to the stack and
send the key down. Since we re-check the protection in the host
anyway, we don't really need to do anything on RX except that we
should drop frames that the firmware _knows_ are replay errors,
since beacon filtering might otherwise result in replays being
possible.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210205110447.f5a3d53301b3.I23e84c9bb0b039d9106a07e9d6847776757f9029@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg
2021-02-05 11:06:31 +02:00
committed by Luca Coelho
parent ddd83d328c
commit b1fdc2505a
6 changed files with 104 additions and 15 deletions
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8
drivers/net/wireless/intel/iwlwifi/mvm/sta.c
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@ -3304,7 +3304,8 @@ static int iwl_mvm_send_sta_igtk(struct iwl_mvm *mvm,
/* verify the key details match the required command's expectations */
if (WARN_ON((keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE) ||
(keyconf->keyidx != 4 && keyconf->keyidx != 5) ||
(keyconf->keyidx != 4 && keyconf->keyidx != 5 &&
keyconf->keyidx != 6 && keyconf->keyidx != 7) ||
(keyconf->cipher != WLAN_CIPHER_SUITE_AES_CMAC &&
keyconf->cipher != WLAN_CIPHER_SUITE_BIP_GMAC_128 &&
keyconf->cipher != WLAN_CIPHER_SUITE_BIP_GMAC_256)))
@ -3353,9 +3354,10 @@ static int iwl_mvm_send_sta_igtk(struct iwl_mvm *mvm,
((u64) pn[0] << 40));
}
IWL_DEBUG_INFO(mvm, "%s igtk for sta %u\n",
IWL_DEBUG_INFO(mvm, "%s %sIGTK (%d) for sta %u\n",
remove_key ? "removing" : "installing",
igtk_cmd.sta_id);
keyconf->keyidx >= 6 ? "B" : "",
keyconf->keyidx, igtk_cmd.sta_id);
if (!iwl_mvm_has_new_rx_api(mvm)) {
struct iwl_mvm_mgmt_mcast_key_cmd_v1 igtk_cmd_v1 = {