This is a note to let you know that I've just added the patch titled
wifi: iwlwifi: mvm: support wowlan info notification version 2
to the 6.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-iwlwifi-mvm-support-wowlan-info-notification-ve.patch
and it can be found in the queue-6.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit dbd46d0e3e74442b44e2d280193cb740758be3cb
Author: Haim Dreyfuss <haim.dreyfuss@xxxxxxxxx>
Date: Thu Apr 13 21:40:27 2023 +0300
wifi: iwlwifi: mvm: support wowlan info notification version 2
[ Upstream commit 905d50ddbc83bef0d7f3386e7f3472b0324b405b ]
As part of version 2 we don't need to have wake_packet_bufsize
and wake_packet_length. The first one is already calculated by the driver,
the latter is sent as part of the wake packet notification.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@xxxxxxxxx>
Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx>
Link: https://lore.kernel.org/r/20230413213309.3b53213b10d4.Ibf2f15aca614def2d262dd267d1aad65931b58f1@changeid
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Stable-dep-of: 457d7fb03e6c ("wifi: iwlwifi: mvm: fix potential memory leak")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h b/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h
index df0833890e55a..8a613e150a024 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h
@@ -767,7 +767,7 @@ struct iwl_wowlan_status_v12 {
} __packed; /* WOWLAN_STATUSES_RSP_API_S_VER_12 */
/**
- * struct iwl_wowlan_info_notif - WoWLAN information notification
+ * struct iwl_wowlan_info_notif_v1 - WoWLAN information notification
* @gtk: GTK data
* @igtk: IGTK data
* @replay_ctr: GTK rekey replay counter
@@ -785,7 +785,7 @@ struct iwl_wowlan_status_v12 {
* @station_id: station id
* @reserved2: reserved
*/
-struct iwl_wowlan_info_notif {
+struct iwl_wowlan_info_notif_v1 {
struct iwl_wowlan_gtk_status_v3 gtk[WOWLAN_GTK_KEYS_NUM];
struct iwl_wowlan_igtk_status igtk[WOWLAN_IGTK_KEYS_NUM];
__le64 replay_ctr;
@@ -803,6 +803,39 @@ struct iwl_wowlan_info_notif {
u8 reserved2[2];
} __packed; /* WOWLAN_INFO_NTFY_API_S_VER_1 */
+/**
+ * struct iwl_wowlan_info_notif - WoWLAN information notification
+ * @gtk: GTK data
+ * @igtk: IGTK data
+ * @replay_ctr: GTK rekey replay counter
+ * @pattern_number: number of the matched patterns
+ * @reserved1: reserved
+ * @qos_seq_ctr: QoS sequence counters to use next
+ * @wakeup_reasons: wakeup reasons, see &enum iwl_wowlan_wakeup_reason
+ * @num_of_gtk_rekeys: number of GTK rekeys
+ * @transmitted_ndps: number of transmitted neighbor discovery packets
+ * @received_beacons: number of received beacons
+ * @tid_tear_down: bit mask of tids whose BA sessions were closed
+ * in suspend state
+ * @station_id: station id
+ * @reserved2: reserved
+ */
+struct iwl_wowlan_info_notif {
+ struct iwl_wowlan_gtk_status_v3 gtk[WOWLAN_GTK_KEYS_NUM];
+ struct iwl_wowlan_igtk_status igtk[WOWLAN_IGTK_KEYS_NUM];
+ __le64 replay_ctr;
+ __le16 pattern_number;
+ __le16 reserved1;
+ __le16 qos_seq_ctr[8];
+ __le32 wakeup_reasons;
+ __le32 num_of_gtk_rekeys;
+ __le32 transmitted_ndps;
+ __le32 received_beacons;
+ u8 tid_tear_down;
+ u8 station_id;
+ u8 reserved2[2];
+} __packed; /* WOWLAN_INFO_NTFY_API_S_VER_2 */
+
/**
* struct iwl_wowlan_wake_pkt_notif - WoWLAN wake packet notification
* @wake_packet_length: wakeup packet length
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index 29f75948ab00c..236694b43e8b7 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -2016,6 +2016,12 @@ static void iwl_mvm_parse_wowlan_info_notif(struct iwl_mvm *mvm,
{
u32 i;
+ if (!data) {
+ IWL_ERR(mvm, "iwl_wowlan_info_notif data is NULL\n");
+ status = NULL;
+ return;
+ }
+
if (len < sizeof(*data)) {
IWL_ERR(mvm, "Invalid WoWLAN info notification!\n");
status = NULL;
@@ -2703,10 +2709,33 @@ static bool iwl_mvm_wait_d3_notif(struct iwl_notif_wait_data *notif_wait,
struct iwl_d3_data *d3_data = data;
u32 len;
int ret;
+ int wowlan_info_ver = iwl_fw_lookup_notif_ver(mvm->fw,
+ PROT_OFFLOAD_GROUP,
+ WOWLAN_INFO_NOTIFICATION,
+ IWL_FW_CMD_VER_UNKNOWN);
+
switch (WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) {
case WIDE_ID(PROT_OFFLOAD_GROUP, WOWLAN_INFO_NOTIFICATION): {
- struct iwl_wowlan_info_notif *notif = (void *)pkt->data;
+ struct iwl_wowlan_info_notif *notif;
+
+ if (wowlan_info_ver < 2) {
+ struct iwl_wowlan_info_notif_v1 *notif_v1 = (void *)pkt->data;
+
+ notif = kmemdup(notif_v1,
+ offsetofend(struct iwl_wowlan_info_notif,
+ received_beacons),
+ GFP_ATOMIC);
+
+ if (!notif)
+ return false;
+
+ notif->tid_tear_down = notif_v1->tid_tear_down;
+ notif->station_id = notif_v1->station_id;
+
+ } else {
+ notif = (void *)pkt->data;
+ }
if (d3_data->notif_received & IWL_D3_NOTIF_WOWLAN_INFO) {
/* We might get two notifications due to dual bss */
@@ -2719,6 +2748,10 @@ static bool iwl_mvm_wait_d3_notif(struct iwl_notif_wait_data *notif_wait,
len = iwl_rx_packet_payload_len(pkt);
iwl_mvm_parse_wowlan_info_notif(mvm, notif, d3_data->status,
len);
+
+ if (wowlan_info_ver < 2)
+ kfree(notif);
+
if (d3_data->status &&
d3_data->status->wakeup_reasons & IWL_WOWLAN_WAKEUP_REASON_HAS_WAKEUP_PKT)
/* We are supposed to get also wake packet notif */
