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-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/api/d3.h42
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/d3.c133
2 files changed, 119 insertions, 56 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h b/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h
index cc7f89905222..5db301a6a312 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h
+++ b/drivers/net/wireless/intel/iwlwifi/fw/api/d3.h
@@ -661,7 +661,7 @@ struct iwl_wowlan_status_v7 {
} __packed; /* WOWLAN_STATUSES_API_S_VER_7 */
/**
- * struct iwl_wowlan_status - WoWLAN status
+ * struct iwl_wowlan_status_v9 - WoWLAN status (version 9)
* @gtk: GTK data
* @igtk: IGTK data
* @replay_ctr: GTK rekey replay counter
@@ -679,7 +679,7 @@ struct iwl_wowlan_status_v7 {
* @reserved: unused
* @wake_packet: wakeup packet
*/
-struct iwl_wowlan_status {
+struct iwl_wowlan_status_v9 {
struct iwl_wowlan_gtk_status gtk[WOWLAN_GTK_KEYS_NUM];
struct iwl_wowlan_igtk_status igtk[WOWLAN_IGTK_KEYS_NUM];
__le64 replay_ctr;
@@ -697,6 +697,44 @@ struct iwl_wowlan_status {
u8 wake_packet[]; /* can be truncated from _length to _bufsize */
} __packed; /* WOWLAN_STATUSES_API_S_VER_9 */
+/**
+ * struct iwl_wowlan_status - WoWLAN status
+ * @gtk: GTK data
+ * @igtk: IGTK data
+ * @bigtk: BIGTK data
+ * @replay_ctr: GTK rekey replay counter
+ * @pattern_number: number of the matched pattern
+ * @non_qos_seq_ctr: non-QoS sequence counter to use next
+ * @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
+ * @tid_tear_down: bitmap of TIDs torn down
+ * @reserved: reserved
+ * @received_beacons: number of received beacons
+ * @wake_packet_length: wakeup packet length
+ * @wake_packet_bufsize: wakeup packet buffer size
+ * @tid_tear_down: bit mask of tids whose BA sessions were closed
+ * in suspend state
+ * @wake_packet: wakeup packet
+ */
+struct iwl_wowlan_status {
+ struct iwl_wowlan_gtk_status gtk[1];
+ struct iwl_wowlan_igtk_status igtk[1];
+ struct iwl_wowlan_igtk_status bigtk[WOWLAN_IGTK_KEYS_NUM];
+ __le64 replay_ctr;
+ __le16 pattern_number;
+ __le16 non_qos_seq_ctr;
+ __le16 qos_seq_ctr[8];
+ __le32 wakeup_reasons;
+ __le32 num_of_gtk_rekeys;
+ u8 tid_tear_down;
+ u8 reserved[3];
+ __le32 received_beacons;
+ __le32 wake_packet_length;
+ __le32 wake_packet_bufsize;
+ u8 wake_packet[]; /* can be truncated from _length to _bufsize */
+} __packed; /* WOWLAN_STATUSES_API_S_VER_11 */
+
static inline u8 iwlmvm_wowlan_gtk_idx(struct iwl_wowlan_gtk_status *gtk)
{
return gtk->key_flags & IWL_WOWLAN_GTK_IDX_MASK;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
index 20c30a6be259..e47c0be28656 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c
@@ -1610,15 +1610,60 @@ out:
return true;
}
+/* Occasionally, templates would be nice. This is one of those times ... */
+#define iwl_mvm_parse_wowlan_status_common(_ver) \
+static struct iwl_wowlan_status * \
+iwl_mvm_parse_wowlan_status_common_ ## _ver(struct iwl_mvm *mvm, \
+ void *_data, int len) \
+{ \
+ struct iwl_wowlan_status *status; \
+ struct iwl_wowlan_status_ ##_ver *data = _data; \
+ int data_size; \
+ \
+ if (len < sizeof(*data)) { \
+ IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); \
+ return ERR_PTR(-EIO); \
+ } \
+ \
+ data_size = ALIGN(le32_to_cpu(data->wake_packet_bufsize), 4); \
+ if (len != sizeof(*data) + data_size) { \
+ IWL_ERR(mvm, "Invalid WoWLAN status response!\n"); \
+ return ERR_PTR(-EIO); \
+ } \
+ \
+ status = kzalloc(sizeof(*status) + data_size, GFP_KERNEL); \
+ if (!status) \
+ return ERR_PTR(-ENOMEM); \
+ \
+ /* copy all the common fields */ \
+ status->replay_ctr = data->replay_ctr; \
+ status->pattern_number = data->pattern_number; \
+ status->non_qos_seq_ctr = data->non_qos_seq_ctr; \
+ memcpy(status->qos_seq_ctr, data->qos_seq_ctr, \
+ sizeof(status->qos_seq_ctr)); \
+ status->wakeup_reasons = data->wakeup_reasons; \
+ status->num_of_gtk_rekeys = data->num_of_gtk_rekeys; \
+ status->received_beacons = data->received_beacons; \
+ status->wake_packet_length = data->wake_packet_length; \
+ status->wake_packet_bufsize = data->wake_packet_bufsize; \
+ memcpy(status->wake_packet, data->wake_packet, \
+ le32_to_cpu(status->wake_packet_bufsize)); \
+ \
+ return status; \
+}
+
+iwl_mvm_parse_wowlan_status_common(v6)
+iwl_mvm_parse_wowlan_status_common(v7)
+iwl_mvm_parse_wowlan_status_common(v9)
+
struct iwl_wowlan_status *iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm)
{
- struct iwl_wowlan_status_v7 *v7;
struct iwl_wowlan_status *status;
struct iwl_host_cmd cmd = {
.id = WOWLAN_GET_STATUSES,
.flags = CMD_WANT_SKB,
};
- int ret, len, status_size, data_size;
+ int ret, len;
u8 notif_ver;
lockdep_assert_held(&mvm->mutex);
@@ -1630,28 +1675,19 @@ struct iwl_wowlan_status *iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm)
}
len = iwl_rx_packet_payload_len(cmd.resp_pkt);
+
+ /* default to 7 (when we have IWL_UCODE_TLV_API_WOWLAN_KEY_MATERIAL) */
+ notif_ver = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
+ WOWLAN_GET_STATUSES, 7);
+
if (!fw_has_api(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_API_WOWLAN_KEY_MATERIAL)) {
struct iwl_wowlan_status_v6 *v6 = (void *)cmd.resp_pkt->data;
- status_size = sizeof(*v6);
-
- if (len < status_size) {
- IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
- status = ERR_PTR(-EIO);
- goto out_free_resp;
- }
-
- data_size = ALIGN(le32_to_cpu(v6->wake_packet_bufsize), 4);
-
- if (len != (status_size + data_size)) {
- IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
- status = ERR_PTR(-EIO);
- goto out_free_resp;
- }
-
- status = kzalloc(sizeof(*status) + data_size, GFP_KERNEL);
- if (!status)
+ status = iwl_mvm_parse_wowlan_status_common_v6(mvm,
+ cmd.resp_pkt->data,
+ len);
+ if (IS_ERR(status))
goto out_free_resp;
BUILD_BUG_ON(sizeof(v6->gtk.decrypt_key) >
@@ -1676,48 +1712,37 @@ struct iwl_wowlan_status *iwl_mvm_send_wowlan_get_status(struct iwl_mvm *mvm)
* currently used key.
*/
status->gtk[0].key_flags = v6->gtk.key_index | BIT(7);
+ } else if (notif_ver == 7) {
+ struct iwl_wowlan_status_v7 *v7 = (void *)cmd.resp_pkt->data;
- status->replay_ctr = v6->replay_ctr;
-
- /* everything starting from pattern_number is identical */
- memcpy(&status->pattern_number, &v6->pattern_number,
- offsetof(struct iwl_wowlan_status, wake_packet) -
- offsetof(struct iwl_wowlan_status, pattern_number) +
- data_size);
-
- goto out_free_resp;
- }
+ status = iwl_mvm_parse_wowlan_status_common_v7(mvm,
+ cmd.resp_pkt->data,
+ len);
+ if (IS_ERR(status))
+ goto out_free_resp;
- v7 = (void *)cmd.resp_pkt->data;
- notif_ver = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP,
- WOWLAN_GET_STATUSES, 0);
+ status->gtk[0] = v7->gtk[0];
+ status->igtk[0] = v7->igtk[0];
+ } else if (notif_ver == 9) {
+ struct iwl_wowlan_status_v9 *v9 = (void *)cmd.resp_pkt->data;
- status_size = sizeof(*status);
+ status = iwl_mvm_parse_wowlan_status_common_v9(mvm,
+ cmd.resp_pkt->data,
+ len);
+ if (IS_ERR(status))
+ goto out_free_resp;
- /* only ver 9 has a different size */
- if (notif_ver == IWL_FW_CMD_VER_UNKNOWN || notif_ver != 9)
- status_size = sizeof(*v7);
+ status->gtk[0] = v9->gtk[0];
+ status->igtk[0] = v9->igtk[0];
- if (len < status_size) {
- IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
- status = ERR_PTR(-EIO);
- goto out_free_resp;
- }
- data_size = ALIGN(le32_to_cpu(v7->wake_packet_bufsize), 4);
-
- if (len != (status_size + data_size)) {
- IWL_ERR(mvm, "Invalid WoWLAN status response!\n");
+ status->tid_tear_down = v9->tid_tear_down;
+ } else {
+ IWL_ERR(mvm,
+ "Firmware advertises unknown WoWLAN status response %d!\n",
+ notif_ver);
status = ERR_PTR(-EIO);
- goto out_free_resp;
}
- status = kzalloc(sizeof(*status) + data_size, GFP_KERNEL);
- if (!status)
- goto out_free_resp;
-
- memcpy(status, v7, status_size);
- memcpy(status->wake_packet, (u8 *)v7 + status_size, data_size);
-
out_free_resp:
iwl_free_resp(&cmd);
return status;
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-06 04:48:41 +0000