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wifi: iwlwifi: iwlmvm: handle unprotected deauth/disassoc in d3

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In MFP, do not disconnect if an unprotected deauth
or disassoc was received during D3.
For that, need to configure wowlan with MFP (IS_11W_ASSOC).

Now, in case of an unprotected deauth/disassoc, the wakeup
reason returned by the firmware will be:
IWL_WAKEUP_BY_11W_UNPROTECTED_DEAUTH_OR_DISASSOC
(and not IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH
which will cause a disconnection).
Also, report this reason to cfg80211.

In another patch, the driver will send an SA query.

Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240206175739.fde438a22e3f.I3c8497520aaa95a22febff727b0ad08146965d47@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Shaul Triebitz 2024-02-06 18:02:12 +02:00 • committed by Johannes Berg
parent a64be8296e
commit 24e5252c59
1 changed files with 6 additions and 0 deletions
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6
drivers/net/wireless/intel/iwlwifi/mvm/d3.c
View file

@ -925,6 +925,9 @@ iwl_mvm_get_wowlan_config(struct iwl_mvm *mvm,
wowlan_config_cmd->flags = ENABLE_L3_FILTERING |
ENABLE_NBNS_FILTERING | ENABLE_DHCP_FILTERING;
if (ap_sta->mfp)
wowlan_config_cmd->flags |= IS_11W_ASSOC;
if (iwl_fw_lookup_cmd_ver(mvm->fw, WOWLAN_CONFIGURATION, 0) < 6) {
/* Query the last used seqno and set it */
int ret = iwl_mvm_get_last_nonqos_seq(mvm, vif);
@ -1511,6 +1514,9 @@ static void iwl_mvm_report_wakeup_reasons(struct iwl_mvm *mvm,
if (reasons & IWL_WOWLAN_WAKEUP_BY_REM_WAKE_WAKEUP_PACKET)
wakeup.tcp_match = true;
if (reasons & IWL_WAKEUP_BY_11W_UNPROTECTED_DEAUTH_OR_DISASSOC)
wakeup.unprot_deauth_disassoc = true;
if (status->wake_packet) {
int pktsize = status->wake_packet_bufsize;
int pktlen = status->wake_packet_length;