Merge tag 'wireless-next-2025-01-17' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next

Kalle Valo says:

====================
wireless-next patches for v6.14

Most likely the last "new features" pull request for v6.14 and this is
a bigger one. Multi-Link Operation (MLO) work continues both in stack
in drivers. Few new devices supported and usual fixes all over.

Major changes:

cfg80211
 * Emergency Preparedness Communication Services (EPCS) station mode support

mac80211
 * an option to filter a sta from being flushed
 * some support for RX Operating Mode Indication (OMI) power saving
 * support for adding and removing station links for MLO

iwlwifi
 * new device ids
 * rework firmware error handling and restart

rtw88
 * RTL8812A: RFE type 2 support
 * LED support

rtw89
 * variant info to support RTL8922AE-VS

mt76
 * mt7996: single wiphy multiband support (preparation for MLO)
 * mt7996: support for more variants
 * mt792x: P2P_DEVICE support
 * mt7921u: TP-Link TXE50UH support

ath12k
 * enable MLO for QCN9274 (although it seems to be broken with dual
   band devices)
 * MLO radar detection support
 * debugfs: transmit buffer OFDMA, AST entry and puncture stats

* tag 'wireless-next-2025-01-17' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (322 commits)
  wifi: brcmfmac: fix NULL pointer dereference in brcmf_txfinalize()
  wifi: rtw88: add RTW88_LEDS depends on LEDS_CLASS to Kconfig
  wifi: wilc1000: unregister wiphy only after netdev registration
  wifi: cfg80211: adjust allocation of colocated AP data
  wifi: mac80211: fix memory leak in ieee80211_mgd_assoc_ml_reconf()
  wifi: ath12k: fix key cache handling
  wifi: ath12k: Fix uninitialized variable access in ath12k_mac_allocate() function
  wifi: ath12k: Remove ath12k_get_num_hw() helper function
  wifi: ath12k: Refactor the ath12k_hw get helper function argument
  wifi: ath12k: Refactor ath12k_hw set helper function argument
  wifi: mt76: mt7996: add implicit beamforming support for mt7992
  wifi: mt76: mt7996: fix beacon command during disabling
  wifi: mt76: mt7996: fix ldpc setting
  wifi: mt76: mt7996: fix definition of tx descriptor
  wifi: mt76: connac: adjust phy capabilities based on band constraints
  wifi: mt76: mt7996: fix incorrect indexing of MIB FW event
  wifi: mt76: mt7996: fix HE Phy capability
  wifi: mt76: mt7996: fix the capability of reception of EHT MU PPDU
  wifi: mt76: mt7996: add max mpdu len capability
  wifi: mt76: mt7921: avoid undesired changes of the preset regulatory domain
  ...
====================

Link: https://patch.msgid.link/20250117203529.72D45C4CEDD@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

1 files changed, 214 insertions, 11 deletions

diff --git a/drivers/net/wireless/ath/ath12k/wmi.c b/drivers/net/wireless/ath/ath12k/wmi.c
index 402ae477da61b..4dd6cdf84571d 100644
--- a/drivers/net/wireless/ath/ath12k/wmi.c
+++ b/drivers/net/wireless/ath/ath12k/wmi.c
@@ -4662,6 +4662,9 @@ ath12k_wmi_tlv_mac_phy_caps_ext_parse(struct ath12k_base *ab,
 					  caps->eht_cap_info_internal);
 	}
 
+	pdev->cap.eml_cap = le32_to_cpu(caps->eml_capability);
+	pdev->cap.mld_cap = le32_to_cpu(caps->mld_capability);
+
 	return 0;
 }
 
@@ -5359,6 +5362,9 @@ static int wmi_process_mgmt_tx_comp(struct ath12k *ar, u32 desc_id,
 	if ((!(info->flags & IEEE80211_TX_CTL_NO_ACK)) && !status)
 		info->flags |= IEEE80211_TX_STAT_ACK;
 
+	if ((info->flags & IEEE80211_TX_CTL_NO_ACK) && !status)
+		info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
+
 	ieee80211_tx_status_irqsafe(ath12k_ar_to_hw(ar), msdu);
 
 	num_mgmt = atomic_dec_if_positive(&ar->num_pending_mgmt_tx);
@@ -6209,7 +6215,7 @@ static void ath12k_mgmt_rx_event(struct ath12k_base *ab, struct sk_buff *skb)
 		goto exit;
 	}
 
-	if ((test_bit(ATH12K_CAC_RUNNING, &ar->dev_flags)) ||
+	if ((test_bit(ATH12K_FLAG_CAC_RUNNING, &ar->dev_flags)) ||
 	    (rx_ev.status & (WMI_RX_STATUS_ERR_DECRYPT |
 			     WMI_RX_STATUS_ERR_KEY_CACHE_MISS |
 			     WMI_RX_STATUS_ERR_CRC))) {
@@ -6338,7 +6344,8 @@ static struct ath12k *ath12k_get_ar_on_scan_state(struct ath12k_base *ab,
 
 			spin_lock_bh(&ar->data_lock);
 			if (ar->scan.state == state &&
-			    ar->scan.vdev_id == vdev_id) {
+			    ar->scan.arvif &&
+			    ar->scan.arvif->vdev_id == vdev_id) {
 				spin_unlock_bh(&ar->data_lock);
 				return ar;
 			}
@@ -6873,7 +6880,7 @@ ath12k_wmi_process_csa_switch_count_event(struct ath12k_base *ab,
 		}
 		ahvif = arvif->ahvif;
 
-		if (arvif->link_id > IEEE80211_MLD_MAX_NUM_LINKS) {
+		if (arvif->link_id >= IEEE80211_MLD_MAX_NUM_LINKS) {
 			ath12k_warn(ab, "Invalid CSA switch count even link id: %d\n",
 				    arvif->link_id);
 			continue;
@@ -6931,6 +6938,7 @@ static void
 ath12k_wmi_pdev_dfs_radar_detected_event(struct ath12k_base *ab, struct sk_buff *skb)
 {
 	const void **tb;
+	struct ath12k_mac_get_any_chanctx_conf_arg arg;
 	const struct ath12k_wmi_pdev_radar_event *ev;
 	struct ath12k *ar;
 	int ret;
@@ -6966,13 +6974,22 @@ ath12k_wmi_pdev_dfs_radar_detected_event(struct ath12k_base *ab, struct sk_buff
 		goto exit;
 	}
 
+	arg.ar = ar;
+	arg.chanctx_conf = NULL;
+	ieee80211_iter_chan_contexts_atomic(ath12k_ar_to_hw(ar),
+					    ath12k_mac_get_any_chanctx_conf_iter, &arg);
+	if (!arg.chanctx_conf) {
+		ath12k_warn(ab, "failed to find valid chanctx_conf in radar detected event\n");
+		goto exit;
+	}
+
 	ath12k_dbg(ar->ab, ATH12K_DBG_REG, "DFS Radar Detected in pdev %d\n",
 		   ev->pdev_id);
 
 	if (ar->dfs_block_radar_events)
 		ath12k_info(ab, "DFS Radar detected, but ignored as requested\n");
 	else
-		ieee80211_radar_detected(ath12k_ar_to_hw(ar), NULL);
+		ieee80211_radar_detected(ath12k_ar_to_hw(ar), arg.chanctx_conf);
 
 exit:
 	rcu_read_unlock();
@@ -7327,6 +7344,79 @@ static void ath12k_wmi_gtk_offload_status_event(struct ath12k_base *ab,
 	kfree(tb);
 }
 
+static void ath12k_wmi_event_mlo_setup_complete(struct ath12k_base *ab,
+						struct sk_buff *skb)
+{
+	const struct wmi_mlo_setup_complete_event *ev;
+	struct ath12k *ar = NULL;
+	struct ath12k_pdev *pdev;
+	const void **tb;
+	int ret, i;
+
+	tb = ath12k_wmi_tlv_parse_alloc(ab, skb, GFP_ATOMIC);
+	if (IS_ERR(tb)) {
+		ret = PTR_ERR(tb);
+		ath12k_warn(ab, "failed to parse mlo setup complete event tlv: %d\n",
+			    ret);
+		return;
+	}
+
+	ev = tb[WMI_TAG_MLO_SETUP_COMPLETE_EVENT];
+	if (!ev) {
+		ath12k_warn(ab, "failed to fetch mlo setup complete event\n");
+		kfree(tb);
+		return;
+	}
+
+	if (le32_to_cpu(ev->pdev_id) > ab->num_radios)
+		goto skip_lookup;
+
+	for (i = 0; i < ab->num_radios; i++) {
+		pdev = &ab->pdevs[i];
+		if (pdev && pdev->pdev_id == le32_to_cpu(ev->pdev_id)) {
+			ar = pdev->ar;
+			break;
+		}
+	}
+
+skip_lookup:
+	if (!ar) {
+		ath12k_warn(ab, "invalid pdev_id %d status %u in setup complete event\n",
+			    ev->pdev_id, ev->status);
+		goto out;
+	}
+
+	ar->mlo_setup_status = le32_to_cpu(ev->status);
+	complete(&ar->mlo_setup_done);
+
+out:
+	kfree(tb);
+}
+
+static void ath12k_wmi_event_teardown_complete(struct ath12k_base *ab,
+					       struct sk_buff *skb)
+{
+	const struct wmi_mlo_teardown_complete_event *ev;
+	const void **tb;
+	int ret;
+
+	tb = ath12k_wmi_tlv_parse_alloc(ab, skb, GFP_ATOMIC);
+	if (IS_ERR(tb)) {
+		ret = PTR_ERR(tb);
+		ath12k_warn(ab, "failed to parse teardown complete event tlv: %d\n", ret);
+		return;
+	}
+
+	ev = tb[WMI_TAG_MLO_TEARDOWN_COMPLETE];
+	if (!ev) {
+		ath12k_warn(ab, "failed to fetch teardown complete event\n");
+		kfree(tb);
+		return;
+	}
+
+	kfree(tb);
+}
+
 static void ath12k_wmi_op_rx(struct ath12k_base *ab, struct sk_buff *skb)
 {
 	struct wmi_cmd_hdr *cmd_hdr;
@@ -7431,13 +7521,6 @@ static void ath12k_wmi_op_rx(struct ath12k_base *ab, struct sk_buff *skb)
 	case WMI_P2P_NOA_EVENTID:
 		ath12k_wmi_p2p_noa_event(ab, skb);
 		break;
-	/* add Unsupported events here */
-	case WMI_TBTTOFFSET_EXT_UPDATE_EVENTID:
-	case WMI_PEER_OPER_MODE_CHANGE_EVENTID:
-	case WMI_PDEV_DMA_RING_CFG_RSP_EVENTID:
-		ath12k_dbg(ab, ATH12K_DBG_WMI,
-			   "ignoring unsupported event 0x%x\n", id);
-		break;
 	case WMI_PDEV_DFS_RADAR_DETECTION_EVENTID:
 		ath12k_wmi_pdev_dfs_radar_detected_event(ab, skb);
 		break;
@@ -7453,6 +7536,25 @@ static void ath12k_wmi_op_rx(struct ath12k_base *ab, struct sk_buff *skb)
 	case WMI_GTK_OFFLOAD_STATUS_EVENTID:
 		ath12k_wmi_gtk_offload_status_event(ab, skb);
 		break;
+	case WMI_MLO_SETUP_COMPLETE_EVENTID:
+		ath12k_wmi_event_mlo_setup_complete(ab, skb);
+		break;
+	case WMI_MLO_TEARDOWN_COMPLETE_EVENTID:
+		ath12k_wmi_event_teardown_complete(ab, skb);
+		break;
+	/* add Unsupported events (rare) here */
+	case WMI_TBTTOFFSET_EXT_UPDATE_EVENTID:
+	case WMI_PEER_OPER_MODE_CHANGE_EVENTID:
+	case WMI_PDEV_DMA_RING_CFG_RSP_EVENTID:
+		ath12k_dbg(ab, ATH12K_DBG_WMI,
+			   "ignoring unsupported event 0x%x\n", id);
+		break;
+	/* add Unsupported events (frequent) here */
+	case WMI_PDEV_GET_HALPHY_CAL_STATUS_EVENTID:
+	case WMI_MGMT_RX_FW_CONSUMED_EVENTID:
+	case WMI_OBSS_COLOR_COLLISION_DETECTION_EVENTID:
+		/* debug might flood hence silently ignore (no-op) */
+		break;
 	/* TODO: Add remaining events */
 	default:
 		ath12k_dbg(ab, ATH12K_DBG_WMI, "Unknown eventid: 0x%x\n", id);
@@ -8269,3 +8371,104 @@ int ath12k_wmi_sta_keepalive(struct ath12k *ar,
 
 	return ath12k_wmi_cmd_send(wmi, skb, WMI_STA_KEEPALIVE_CMDID);
 }
+
+int ath12k_wmi_mlo_setup(struct ath12k *ar, struct wmi_mlo_setup_arg *mlo_params)
+{
+	struct wmi_mlo_setup_cmd *cmd;
+	struct ath12k_wmi_pdev *wmi = ar->wmi;
+	u32 *partner_links, num_links;
+	int i, ret, buf_len, arg_len;
+	struct sk_buff *skb;
+	struct wmi_tlv *tlv;
+	void *ptr;
+
+	num_links = mlo_params->num_partner_links;
+	arg_len = num_links * sizeof(u32);
+	buf_len = sizeof(*cmd) + TLV_HDR_SIZE + arg_len;
+
+	skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, buf_len);
+	if (!skb)
+		return -ENOMEM;
+
+	cmd = (struct wmi_mlo_setup_cmd *)skb->data;
+	cmd->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_MLO_SETUP_CMD,
+						 sizeof(*cmd));
+	cmd->mld_group_id = mlo_params->group_id;
+	cmd->pdev_id = cpu_to_le32(ar->pdev->pdev_id);
+	ptr = skb->data + sizeof(*cmd);
+
+	tlv = ptr;
+	tlv->header = ath12k_wmi_tlv_hdr(WMI_TAG_ARRAY_UINT32, arg_len);
+	ptr += TLV_HDR_SIZE;
+
+	partner_links = ptr;
+	for (i = 0; i < num_links; i++)
+		partner_links[i] = mlo_params->partner_link_id[i];
+
+	ret = ath12k_wmi_cmd_send(wmi, skb, WMI_MLO_SETUP_CMDID);
+	if (ret) {
+		ath12k_warn(ar->ab, "failed to submit WMI_MLO_SETUP_CMDID command: %d\n",
+			    ret);
+		dev_kfree_skb(skb);
+		return ret;
+	}
+
+	return 0;
+}
+
+int ath12k_wmi_mlo_ready(struct ath12k *ar)
+{
+	struct wmi_mlo_ready_cmd *cmd;
+	struct ath12k_wmi_pdev *wmi = ar->wmi;
+	struct sk_buff *skb;
+	int ret, len;
+
+	len = sizeof(*cmd);
+	skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, len);
+	if (!skb)
+		return -ENOMEM;
+
+	cmd = (struct wmi_mlo_ready_cmd *)skb->data;
+	cmd->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_MLO_READY_CMD,
+						 sizeof(*cmd));
+	cmd->pdev_id = cpu_to_le32(ar->pdev->pdev_id);
+
+	ret = ath12k_wmi_cmd_send(wmi, skb, WMI_MLO_READY_CMDID);
+	if (ret) {
+		ath12k_warn(ar->ab, "failed to submit WMI_MLO_READY_CMDID command: %d\n",
+			    ret);
+		dev_kfree_skb(skb);
+		return ret;
+	}
+
+	return 0;
+}
+
+int ath12k_wmi_mlo_teardown(struct ath12k *ar)
+{
+	struct wmi_mlo_teardown_cmd *cmd;
+	struct ath12k_wmi_pdev *wmi = ar->wmi;
+	struct sk_buff *skb;
+	int ret, len;
+
+	len = sizeof(*cmd);
+	skb = ath12k_wmi_alloc_skb(wmi->wmi_ab, len);
+	if (!skb)
+		return -ENOMEM;
+
+	cmd = (struct wmi_mlo_teardown_cmd *)skb->data;
+	cmd->tlv_header = ath12k_wmi_tlv_cmd_hdr(WMI_TAG_MLO_TEARDOWN_CMD,
+						 sizeof(*cmd));
+	cmd->pdev_id = cpu_to_le32(ar->pdev->pdev_id);
+	cmd->reason_code = WMI_MLO_TEARDOWN_SSR_REASON;
+
+	ret = ath12k_wmi_cmd_send(wmi, skb, WMI_MLO_TEARDOWN_CMDID);
+	if (ret) {
+		ath12k_warn(ar->ab, "failed to submit WMI MLO teardown command: %d\n",
+			    ret);
+		dev_kfree_skb(skb);
+		return ret;
+	}
+
+	return 0;
+}