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Code Issues Releases Wiki Activity

wifi: iwlwifi: support link id in SESSION_PROTECTION_NOTIF

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FW is introducing an API change in which link ID will be used
for session protection notif. Add support for it.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231017115047.4c59b149086e.I74fe93a6337f4ec9d1bd6f791d315411ac5b40da@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Miri Korenblit 2023-10-17 12:16:38 +03:00 committed by Johannes Berg
parent 1350658373
commit 085d33c530
2 changed files with 32 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
drivers/net/wireless/intel/iwlwifi/fw/api/time-event.h
View file

@ -461,7 +461,8 @@ struct iwl_mvm_session_prot_cmd {
/**
* struct iwl_mvm_session_prot_notif - session protection started / ended
* @mac_id: the mac id for which the session protection started / ended
* @mac_link_id: the mac id (or link id, for notif ver > 2) for which the
* session protection started / ended
* @status: 1 means success, 0 means failure
* @start: 1 means the session protection started, 0 means it ended
* @conf_id: see &enum iwl_mvm_session_prot_conf_id
@ -470,10 +471,13 @@ struct iwl_mvm_session_prot_cmd {
* and end even the firmware could not schedule it.
*/
struct iwl_mvm_session_prot_notif {
__le32 mac_id;
__le32 mac_link_id;
__le32 status;
__le32 start;
__le32 conf_id;
} __packed; /* SESSION_PROTECTION_NOTIFICATION_API_S_VER_2 */
} __packed;
/* SESSION_PROTECTION_NOTIFICATION_API_S_VER_2 and
* SESSION_PROTECTION_NOTIFICATION_API_S_VER_3
*/
#endif /* __iwl_fw_api_time_event_h__ */

27
drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
View file

@ -898,18 +898,41 @@ void iwl_mvm_rx_session_protect_notif(struct iwl_mvm *mvm,
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_mvm_session_prot_notif *notif = (void *)pkt->data;
unsigned int ver =
iwl_fw_lookup_cmd_ver(mvm->fw,
WIDE_ID(MAC_CONF_GROUP,
SESSION_PROTECTION_CMD), 2);
int id = le32_to_cpu(notif->mac_link_id);
struct ieee80211_vif *vif;
struct iwl_mvm_vif *mvmvif;
unsigned int notif_link_id;
rcu_read_lock();
vif = iwl_mvm_rcu_dereference_vif_id(mvm, le32_to_cpu(notif->mac_id),
true);
if (ver <= 2) {
vif = iwl_mvm_rcu_dereference_vif_id(mvm, id, true);
} else {
struct ieee80211_bss_conf *link_conf =
iwl_mvm_rcu_fw_link_id_to_link_conf(mvm, id, true);
if (!link_conf)
goto out_unlock;
notif_link_id = link_conf->link_id;
vif = link_conf->vif;
}
if (!vif)
goto out_unlock;
mvmvif = iwl_mvm_vif_from_mac80211(vif);
if (WARN(ver > 2 && mvmvif->time_event_data.link_id >= 0 &&
mvmvif->time_event_data.link_id != notif_link_id,
"SESION_PROTECTION_NOTIF was received for link %u, while the current time event is on link %u\n",
notif_link_id, mvmvif->time_event_data.link_id))
goto out_unlock;
/* The vif is not a P2P_DEVICE, maintain its time_event_data */
if (vif->type != NL80211_IFTYPE_P2P_DEVICE) {
struct iwl_mvm_time_event_data *te_data =