add 6GHz radio support in ath11k driver

index fd6a973b1249..ca3e9df7adfe 100644
@@ -96,6 +96,7 @@ struct wiphy;
  * @IEEE80211_CHAN_NO_10MHZ: 10 MHz bandwidth is not permitted
  *	on this channel.
  * @IEEE80211_CHAN_NO_HE: HE operation is not permitted on this channel.
+ * @IEEE80211_CHAN_PSC: 6GHz Channel is Preferred Scanning Channel(PSC)
  *
  */
 enum ieee80211_channel_flags {

@@ -113,6 +114,7 @@ enum ieee80211_channel_flags {
 	IEEE80211_CHAN_NO_20MHZ		= 1<<11,
 	IEEE80211_CHAN_NO_10MHZ		= 1<<12,
 	IEEE80211_CHAN_NO_HE		= 1<<13,
+	IEEE80211_CHAN_PSC		= 1<<14,
 };
 
 #define IEEE80211_CHAN_NO_HT40 \

index 0d74a31ef0ab..4ebaa57e60e4 100644
@@ -2023,6 +2023,21 @@ static bool is_ht40_allowed(struct ieee80211_channel *chan)
 	return true;
 }
 
+static bool reg_is_6ghz_channel_psc(struct ieee80211_channel *chan)
+{
+	/*
+	 * From IEEE P802.11ax/D6.0: The set of 20 MHz channels in the 6 GHz
+	 * band, with channel center frequency, ch_a = Channel starting
+	 * frequency – 55 + 80 × n (MHz) are referred to as preferred scanning
+	 * channels (PSCs). Channel starting frequency is defined in 27.3.23.2
+	 * (Channel allocation in the 6 GHz band), and n = 1, …, 15.
+	 */
+	if (!(((chan->center_freq - 5940 + 55) >> 4) % 5))
+		return true;
+
+	return false;
+}
+
 static void reg_process_ht_flags_channel(struct wiphy *wiphy,
 					 struct ieee80211_channel *channel)
 {

@@ -2305,6 +2320,10 @@ static void handle_channel_custom(struct wiphy *wiphy,
 	else
 		chan->flags |= map_regdom_flags(reg_rule->flags) | bw_flags;
 
+	if (chan->band == NL80211_BAND_6GHZ &&
+	    reg_is_6ghz_channel_psc(chan))
+		chan->flags |= IEEE80211_CHAN_PSC;
+
 	chan->max_antenna_gain = (int) MBI_TO_DBI(power_rule->max_antenna_gain);
 	chan->max_reg_power = chan->max_power =
 		(int) MBM_TO_DBM(power_rule->max_eirp);

index 36882562b976..f699e882949b 100644
@@ -33,6 +33,15 @@
 	.max_power              = 30, \
 }
 
+#define CHAN6G(_channel, _freq, _flags) { \
+	.band                   = NL80211_BAND_6GHZ, \
+	.hw_value               = (_channel), \
+	.center_freq            = (_freq), \
+	.flags                  = (_flags), \
+	.max_antenna_gain       = 0, \
+	.max_power              = 30, \
+}
+
 /* frame mode values are mapped as per enum ath11k_hw_txrx_mode */
 static unsigned int ath11k_frame_mode = ATH11K_HW_TXRX_NATIVE_WIFI;
 module_param_named(frame_mode, ath11k_frame_mode, uint, 0644);

@@ -86,6 +95,68 @@ static const struct ieee80211_channel ath11k_5ghz_channels[] = {
 	CHAN5G(173, 5865, 0),
 };
 
+static const struct ieee80211_channel ath11k_6ghz_channels[] = {
+	CHAN6G(1, 5945, 0),
+	CHAN6G(5, 5965, 0),
+	CHAN6G(9, 5985, 0),
+	CHAN6G(13, 6005, 0),
+	CHAN6G(17, 6025, 0),
+	CHAN6G(21, 6045, 0),
+	CHAN6G(25, 6065, 0),
+	CHAN6G(29, 6085, 0),
+	CHAN6G(33, 6105, 0),
+	CHAN6G(37, 6125, 0),
+	CHAN6G(41, 6145, 0),
+	CHAN6G(45, 6165, 0),
+	CHAN6G(49, 6185, 0),
+	CHAN6G(53, 6205, 0),
+	CHAN6G(57, 6225, 0),
+	CHAN6G(61, 6245, 0),
+	CHAN6G(65, 6265, 0),
+	CHAN6G(69, 6285, 0),
+	CHAN6G(73, 6305, 0),
+	CHAN6G(77, 6325, 0),
+	CHAN6G(81, 6345, 0),
+	CHAN6G(85, 6365, 0),
+	CHAN6G(89, 6385, 0),
+	CHAN6G(93, 6405, 0),
+	CHAN6G(97, 6425, 0),
+	CHAN6G(101, 6445, 0),
+	CHAN6G(105, 6465, 0),
+	CHAN6G(109, 6485, 0),
+	CHAN6G(113, 6505, 0),
+	CHAN6G(117, 6525, 0),
+	CHAN6G(121, 6545, 0),
+	CHAN6G(125, 6565, 0),
+	CHAN6G(129, 6585, 0),
+	CHAN6G(133, 6605, 0),
+	CHAN6G(137, 6625, 0),
+	CHAN6G(141, 6645, 0),
+	CHAN6G(145, 6665, 0),
+	CHAN6G(149, 6685, 0),
+	CHAN6G(153, 6705, 0),
+	CHAN6G(157, 6725, 0),
+	CHAN6G(161, 6745, 0),
+	CHAN6G(165, 6765, 0),
+	CHAN6G(169, 6785, 0),
+	CHAN6G(173, 6805, 0),
+	CHAN6G(177, 6825, 0),
+	CHAN6G(181, 6845, 0),
+	CHAN6G(185, 6865, 0),
+	CHAN6G(189, 6885, 0),
+	CHAN6G(193, 6905, 0),
+	CHAN6G(197, 6925, 0),
+	CHAN6G(201, 6945, 0),
+	CHAN6G(205, 6965, 0),
+	CHAN6G(209, 6985, 0),
+	CHAN6G(213, 7005, 0),
+	CHAN6G(217, 7025, 0),
+	CHAN6G(221, 7045, 0),
+	CHAN6G(225, 7065, 0),
+	CHAN6G(229, 7085, 0),
+	CHAN6G(233, 7105, 0),
+};
+
 static struct ieee80211_rate ath11k_legacy_rates[] = {
 	{ .bitrate = 10,
 	  .hw_value = ATH11K_HW_RATE_CCK_LP_1M },

index 7e51445cfa20..83bffd7f633a 100644
@@ -353,7 +353,10 @@ struct ath11k_sta {
 #endif
 };
 
-#define ATH11K_NUM_CHANS 41
+#define ATH11K_MIN_5G_FREQ 4150
+#define ATH11K_MIN_6G_FREQ 5935
+#define ATH11K_MAX_6G_FREQ 7105
+#define ATH11K_NUM_CHANS 100
 #define ATH11K_MAX_5G_CHAN 173
 
 enum ath11k_state {

@@ -431,6 +434,7 @@ struct ath11k {
 	u32 vht_cap_info;
 	struct ath11k_he ar_he;
 	enum ath11k_state state;
+	bool supports_6ghz;
 	struct {
 		struct completion started;
 		struct completion completed;

165 lines not on this page · raw message

index c2a972377687..291fb274134f 100644
@@ -368,6 +368,17 @@ ath11k_pull_mac_phy_cap_svc_ready_ext(struct ath11k_pdev_wmi *wmi_handle,
 	memcpy(&cap_band->he_ppet, &mac_phy_caps->he_ppet5g,
 	       sizeof(struct ath11k_ppe_threshold));
 
+	cap_band = &pdev_cap->band[NL80211_BAND_6GHZ];
+	cap_band->max_bw_supported = mac_phy_caps->max_bw_supported_5g;
+	cap_band->ht_cap_info = mac_phy_caps->ht_cap_info_5g;
+	cap_band->he_cap_info[0] = mac_phy_caps->he_cap_info_5g;
+	cap_band->he_cap_info[1] = mac_phy_caps->he_cap_info_5g_ext;
+	cap_band->he_mcs = mac_phy_caps->he_supp_mcs_5g;
+	memcpy(cap_band->he_cap_phy_info, &mac_phy_caps->he_cap_phy_info_5g,
+	       sizeof(u32) * PSOC_HOST_MAX_PHY_SIZE);
+	memcpy(&cap_band->he_ppet, &mac_phy_caps->he_ppet5g,
+	       sizeof(struct ath11k_ppe_threshold));
+
 	return 0;
 }
 

@@ -5206,9 +5217,10 @@ static void ath11k_mgmt_rx_event(struct ath11k_base *ab, struct sk_buff *skb)
 		goto exit;
 	}
 
-	if (rx_ev.phy_mode == MODE_11B && status->band == NL80211_BAND_5GHZ)
+	if (rx_ev.phy_mode == MODE_11B &&
+	    (status->band == NL80211_BAND_5GHZ || status->band == NL80211_BAND_6GHZ))
 		ath11k_dbg(ab, ATH11K_DBG_WMI,
-			   "wmi mgmt rx 11b (CCK) on 5GHz\n");
+			   "wmi mgmt rx 11b (CCK) on 5/6GHz, band = %d\n", status->band);
 
 	sband = &ar->mac.sbands[status->band];
 

index a54610d75c40..c8f1ea69ea9d 100644
@@ -2162,6 +2162,7 @@ static void ath11k_dp_rx_h_ppdu(struct ath11k *ar, struct hal_rx_desc *rx_desc,
 				struct ieee80211_rx_status *rx_status)
 {
 	u8 channel_num;
+	u32 center_freq;
 
 	rx_status->freq = 0;
 	rx_status->rate_idx = 0;

@@ -2172,8 +2173,11 @@ static void ath11k_dp_rx_h_ppdu(struct ath11k *ar, struct hal_rx_desc *rx_desc,
 	rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
 
 	channel_num = ath11k_dp_rx_h_msdu_start_freq(rx_desc);
+	center_freq = ath11k_dp_rx_h_msdu_start_freq(rx_desc) >> 16;
 
-	if (channel_num >= 1 && channel_num <= 14) {
+	if (center_freq >= 5935 && center_freq <= 7105)
+		rx_status->band = NL80211_BAND_6GHZ;
+	else if (channel_num >= 1 && channel_num <= 14) {
 		rx_status->band = NL80211_BAND_2GHZ;
 	} else if (channel_num >= 36 && channel_num <= 173) {
 		rx_status->band = NL80211_BAND_5GHZ;

index 291fb274134f..500108fa59d9 100644
@@ -3833,6 +3833,7 @@ static int ath11k_pull_mgmt_rx_params_tlv(struct ath11k_base *ab,
 	}
 
 	hdr->pdev_id =  ev->pdev_id;
+	hdr->chan_freq = ev->chan_freq;
 	hdr->channel =  ev->channel;
 	hdr->snr =  ev->snr;
 	hdr->rate =  ev->rate;

@@ -5204,7 +5205,9 @@ static void ath11k_mgmt_rx_event(struct ath11k_base *ab, struct sk_buff *skb)
 	if (rx_ev.status & WMI_RX_STATUS_ERR_MIC)
 		status->flag |= RX_FLAG_MMIC_ERROR;
 
-	if (rx_ev.channel >= 1 && rx_ev.channel <= 14) {
+	if (rx_ev.chan_freq >= ATH11K_MIN_6G_FREQ) {
+		status->band = NL80211_BAND_6GHZ;
+	} else if (rx_ev.channel >= 1 && rx_ev.channel <= 14) {
 		status->band = NL80211_BAND_2GHZ;
 	} else if (rx_ev.channel >= 36 && rx_ev.channel <= ATH11K_MAX_5G_CHAN) {
 		status->band = NL80211_BAND_5GHZ;

index b9f3e559ced7..afa3c4cf90e9 100644
@@ -4228,6 +4228,7 @@ struct wmi_pdev_temperature_event {
 #define WLAN_MGMT_TXRX_HOST_MAX_ANTENNA 4
 
 struct mgmt_rx_event_params {
+	u32 chan_freq;
 	u32 channel;
 	u32 snr;
 	u8 rssi_ctl[WLAN_MGMT_TXRX_HOST_MAX_ANTENNA];

@@ -4257,6 +4258,7 @@ struct wmi_mgmt_rx_hdr {
 	u32 rx_tsf_l32;
 	u32 rx_tsf_u32;
 	u32 pdev_id;
+	u32 chan_freq;
 } __packed;
 
 #define MAX_ANTENNA_EIGHT 8

index 500108fa59d9..a6bbb3badd1f 100644
@@ -1789,6 +1789,7 @@ int ath11k_wmi_send_peer_assoc_cmd(struct ath11k *ar,
 	cmd->peer_he_cap_info = param->peer_he_cap_macinfo[0];
 	cmd->peer_he_cap_info_ext = param->peer_he_cap_macinfo[1];
 	cmd->peer_he_cap_info_internal = param->peer_he_cap_macinfo_internal;
+	cmd->peer_he_caps_6ghz = param->peer_he_caps_6ghz;
 	cmd->peer_he_ops = param->peer_he_ops;
 	memcpy(&cmd->peer_he_cap_phy, &param->peer_he_cap_phyinfo,
 	       sizeof(param->peer_he_cap_phyinfo));

@@ -1842,6 +1843,7 @@ int ath11k_wmi_send_peer_assoc_cmd(struct ath11k *ar,
 
 	/* HE Rates */
 	cmd->peer_he_mcs = param->peer_he_mcs_count;
+	cmd->min_data_rate = param->min_data_rate;
 
 	ptr += sizeof(*mcs);
 

index afa3c4cf90e9..fd82cff7537b 100644
@@ -1011,6 +1011,7 @@ enum wmi_tlv_vdev_param {
 	WMI_VDEV_PARAM_FILS_MAX_CHANNEL_GUARD_TIME,
 	WMI_VDEV_PARAM_BA_MODE = 0x7e,
 	WMI_VDEV_PARAM_SET_HE_SOUNDING_MODE = 0x87,
+	WMI_VDEV_PARAM_6GHZ_PARAMS = 0x99,
 	WMI_VDEV_PARAM_PROTOTYPE = 0x8000,
 	WMI_VDEV_PARAM_BSS_COLOR,
 	WMI_VDEV_PARAM_SET_HEMU_MODE,

@@ -3444,6 +3445,7 @@ struct peer_assoc_params {
 	u32 tx_max_rate;
 	u32 tx_mcs_set;
 	u8 vht_capable;
+	u8 min_data_rate;
 	u32 tx_max_mcs_nss;
 	u32 peer_bw_rxnss_override;
 	bool is_pmf_enabled;

@@ -3472,6 +3474,7 @@ struct peer_assoc_params {
 	bool he_flag;
 	u32 peer_he_cap_macinfo[2];
 	u32 peer_he_cap_macinfo_internal;
+	u32 peer_he_caps_6ghz;
 	u32 peer_he_ops;
 	u32 peer_he_cap_phyinfo[WMI_HOST_MAX_HECAP_PHY_SIZE];
 	u32 peer_he_mcs_count;

@@ -3509,6 +3512,8 @@ struct  wmi_peer_assoc_complete_cmd {
 	u32 peer_he_mcs;
 	u32 peer_he_cap_info_ext;
 	u32 peer_he_cap_info_internal;
+	u32 min_data_rate;
+	u32 peer_he_caps_6ghz;
 } __packed;
 
 struct wmi_stop_scan_cmd {

index 453aa9c06969..50d13a5d7cf8 100644
@@ -161,6 +161,10 @@ int ath11k_reg_update_chan_list(struct ath11k *ar)
 			else
 				ch->phy_mode = MODE_11A;
 
+			if (channel->band == NL80211_BAND_6GHZ &&
+			    channel->flags & IEEE80211_CHAN_PSC)
+				ch->psc_channel = true;
+
 			ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
 				   "mac channel [%d/%d] freq %d maxpower %d regpower %d antenna %d mode %d\n",
 				   i, params->nallchans,

index fd82cff7537b..76c2da2c5db7 100644
@@ -2520,7 +2520,8 @@ struct channel_param {
 	    allow_ht:1,
 	    allow_vht:1,
 	    allow_he:1,
-	    set_agile:1;
+	    set_agile:1,
+	    psc_channel:1;
 	u32 phy_mode;
 	u32 cfreq1;
 	u32 cfreq2;

index a6bbb3badd1f..239a336f55f4 100644
@@ -1899,6 +1899,8 @@ void ath11k_wmi_start_scan_init(struct ath11k *ar,
 	arg->dwell_time_active = 50;
 	arg->dwell_time_active_2g = 0;
 	arg->dwell_time_passive = 150;
+	arg->dwell_time_active_6g = 40;
+	arg->dwell_time_passive_6g = 30;
 	arg->min_rest_time = 50;
 	arg->max_rest_time = 500;
 	arg->repeat_probe_time = 0;

@@ -2045,6 +2047,8 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
 	cmd->dwell_time_active = params->dwell_time_active;
 	cmd->dwell_time_active_2g = params->dwell_time_active_2g;
 	cmd->dwell_time_passive = params->dwell_time_passive;
+	cmd->dwell_time_active_6g = params->dwell_time_active_6g;
+	cmd->dwell_time_passive_6g = params->dwell_time_passive_6g;
 	cmd->min_rest_time = params->min_rest_time;
 	cmd->max_rest_time = params->max_rest_time;
 	cmd->repeat_probe_time = params->repeat_probe_time;

index 76c2da2c5db7..4937d02839fc 100644
@@ -3061,6 +3061,9 @@ struct  wmi_start_scan_cmd {
 	u32 num_vendor_oui;
 	u32 scan_ctrl_flags_ext;
 	u32 dwell_time_active_2g;
+	u32 dwell_time_active_6g;
+	u32 dwell_time_passive_6g;
+	u32 scan_start_offset;
 } __packed;
 
 #define WMI_SCAN_FLAG_PASSIVE        0x1

@@ -3127,6 +3130,8 @@ struct scan_req_params {
 	u32 dwell_time_active;
 	u32 dwell_time_active_2g;
 	u32 dwell_time_passive;
+	u32 dwell_time_active_6g;
+	u32 dwell_time_passive_6g;
 	u32 min_rest_time;
 	u32 max_rest_time;
 	u32 repeat_probe_time;

index 239a336f55f4..ad3a7b68d308 100644
@@ -2194,91 +2194,111 @@ int ath11k_wmi_send_scan_chan_list_cmd(struct ath11k *ar,
 	struct channel_param *tchan_info;
 	struct wmi_tlv *tlv;
 	void *ptr;
-	int i, ret, len;
+	int i, ret = 0, len;
+	u16 num_send_chans, num_sends = 0, max_chan_limit = 0;
 	u32 *reg1, *reg2;
 
-	len = sizeof(*cmd) + TLV_HDR_SIZE +
-		 sizeof(*chan_info) * chan_list->nallchans;
-
-	skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len);
-	if (!skb)
-		return -ENOMEM;
-
-	cmd = (struct wmi_scan_chan_list_cmd *)skb->data;
-	cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_SCAN_CHAN_LIST_CMD) |
-			  FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
-
-	ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
-		   "WMI no.of chan = %d len = %d\n", chan_list->nallchans, len);
-	cmd->pdev_id = chan_list->pdev_id;
-	cmd->num_scan_chans = chan_list->nallchans;
-
-	ptr = skb->data + sizeof(*cmd);
-
-	len = sizeof(*chan_info) * chan_list->nallchans;
-	tlv = ptr;
-	tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_STRUCT) |
-		      FIELD_PREP(WMI_TLV_LEN, len - TLV_HDR_SIZE);
-	ptr += TLV_HDR_SIZE;
-
 	tchan_info = &chan_list->ch_param[0];
+	while (chan_list->nallchans) {
+		len = sizeof(*cmd) + TLV_HDR_SIZE;
+		max_chan_limit =
+			(wmi->wmi_ab->max_msg_len[ar->pdev_idx] - len) /
+			sizeof(*chan_info);
+
+		if (chan_list->nallchans > max_chan_limit)
+			num_send_chans = max_chan_limit;
+		else
+			num_send_chans = chan_list->nallchans;
+
+		chan_list->nallchans -= num_send_chans;
+		len += sizeof(*chan_info) * num_send_chans;
+
+		skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len);
+		if (!skb)
+			return -ENOMEM;
 
-	for (i = 0; i < chan_list->nallchans; ++i) {
-		chan_info = ptr;
-		memset(chan_info, 0, sizeof(*chan_info));
-		len = sizeof(*chan_info);
-		chan_info->tlv_header = FIELD_PREP(WMI_TLV_TAG,
-						   WMI_TAG_CHANNEL) |
-					FIELD_PREP(WMI_TLV_LEN,
-						   len - TLV_HDR_SIZE);
-
-		reg1 = &chan_info->reg_info_1;
-		reg2 = &chan_info->reg_info_2;
-		chan_info->mhz = tchan_info->mhz;
-		chan_info->band_center_freq1 = tchan_info->cfreq1;
-		chan_info->band_center_freq2 = tchan_info->cfreq2;
-
-		if (tchan_info->is_chan_passive)
-			chan_info->info |= WMI_CHAN_INFO_PASSIVE;
-		if (tchan_info->allow_he)
-			chan_info->info |= WMI_CHAN_INFO_ALLOW_HE;
-		else if (tchan_info->allow_vht)
-			chan_info->info |= WMI_CHAN_INFO_ALLOW_VHT;
-		else if (tchan_info->allow_ht)
-			chan_info->info |= WMI_CHAN_INFO_ALLOW_HT;
-		if (tchan_info->half_rate)
-			chan_info->info |= WMI_CHAN_INFO_HALF_RATE;
-		if (tchan_info->quarter_rate)
-			chan_info->info |= WMI_CHAN_INFO_QUARTER_RATE;
-
-		chan_info->info |= FIELD_PREP(WMI_CHAN_INFO_MODE,
-					      tchan_info->phy_mode);
-		*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_MIN_PWR,
-				    tchan_info->minpower);
-		*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_MAX_PWR,
-				    tchan_info->maxpower);
-		*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_MAX_REG_PWR,
-				    tchan_info->maxregpower);
-		*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_REG_CLS,
-				    tchan_info->reg_class_id);
-		*reg2 |= FIELD_PREP(WMI_CHAN_REG_INFO2_ANT_MAX,
-				    tchan_info->antennamax);
+		cmd = (struct wmi_scan_chan_list_cmd *)skb->data;
+		cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_SCAN_CHAN_LIST_CMD) |
+			FIELD_PREP(WMI_TLV_LEN, sizeof(*cmd) - TLV_HDR_SIZE);
+		cmd->pdev_id = chan_list->pdev_id;
+		cmd->num_scan_chans = num_send_chans;
+		if (num_sends)
+			cmd->flags |= WMI_APPEND_TO_EXISTING_CHAN_LIST_FLAG;
 
 		ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
-			   "WMI chan scan list chan[%d] = %u\n",
-			   i, chan_info->mhz);
+			   "WMI no.of chan = %d len = %d pdev_id = %d num_sends = %d\n",
+			   num_send_chans, len, cmd->pdev_id, num_sends);
 
-		ptr += sizeof(*chan_info);
+		ptr = skb->data + sizeof(*cmd);
 
-		tchan_info++;
-	}
+		len = sizeof(*chan_info) * num_send_chans;
+		tlv = ptr;
+		tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_STRUCT) |
+			      FIELD_PREP(WMI_TLV_LEN, len - TLV_HDR_SIZE);
+		ptr += TLV_HDR_SIZE;
 
-	ret = ath11k_wmi_cmd_send(wmi, skb, WMI_SCAN_CHAN_LIST_CMDID);
-	if (ret) {
-		ath11k_warn(ar->ab, "failed to send WMI_SCAN_CHAN_LIST cmd\n");
-		dev_kfree_skb(skb);
-	}
+		for (i = 0; i < num_send_chans; ++i) {
+			chan_info = ptr;
+			memset(chan_info, 0, sizeof(*chan_info));
+			len = sizeof(*chan_info);
+			chan_info->tlv_header = FIELD_PREP(WMI_TLV_TAG,
+							   WMI_TAG_CHANNEL) |
+						FIELD_PREP(WMI_TLV_LEN,
+							   len - TLV_HDR_SIZE);
+
+			reg1 = &chan_info->reg_info_1;
+			reg2 = &chan_info->reg_info_2;
+			chan_info->mhz = tchan_info->mhz;
+			chan_info->band_center_freq1 = tchan_info->cfreq1;
+			chan_info->band_center_freq2 = tchan_info->cfreq2;
+
+			if (tchan_info->is_chan_passive)
+				chan_info->info |= WMI_CHAN_INFO_PASSIVE;
+			if (tchan_info->allow_he)
+				chan_info->info |= WMI_CHAN_INFO_ALLOW_HE;
+			else if (tchan_info->allow_vht)
+				chan_info->info |= WMI_CHAN_INFO_ALLOW_VHT;
+			else if (tchan_info->allow_ht)
+				chan_info->info |= WMI_CHAN_INFO_ALLOW_HT;
+			if (tchan_info->half_rate)
+				chan_info->info |= WMI_CHAN_INFO_HALF_RATE;
+			if (tchan_info->quarter_rate)
+				chan_info->info |= WMI_CHAN_INFO_QUARTER_RATE;
+			if (tchan_info->psc_channel)
+				chan_info->info |= WMI_CHAN_INFO_PSC;
+
+			chan_info->info |= FIELD_PREP(WMI_CHAN_INFO_MODE,
+						      tchan_info->phy_mode);
+			*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_MIN_PWR,
+					    tchan_info->minpower);
+			*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_MAX_PWR,
+					    tchan_info->maxpower);
+			*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_MAX_REG_PWR,
+					    tchan_info->maxregpower);
+			*reg1 |= FIELD_PREP(WMI_CHAN_REG_INFO1_REG_CLS,
+					    tchan_info->reg_class_id);
+			*reg2 |= FIELD_PREP(WMI_CHAN_REG_INFO2_ANT_MAX,
+					    tchan_info->antennamax);
+
+			ath11k_dbg(ar->ab, ATH11K_DBG_WMI,
+				   "WMI chan scan list chan[%d] = %u, chan_info->info %8x\n",
+				   i, chan_info->mhz, chan_info->info);
+
+			ptr += sizeof(*chan_info);
+
+			tchan_info++;
+		}
 
+		ret = ath11k_wmi_cmd_send(wmi, skb, WMI_SCAN_CHAN_LIST_CMDID);
+		if (ret) {
+			ath11k_warn(ar->ab, "failed to send WMI_SCAN_CHAN_LIST cmd\n");
+			dev_kfree_skb(skb);
+			goto end;
+		}
+
+		num_sends++;
+	}
+end:
 	return ret;
 }
 

index 4937d02839fc..319ad7241e01 100644
@@ -54,6 +54,8 @@ struct wmi_tlv {
 #define WLAN_SCAN_PARAMS_MAX_BSSID   4
 #define WLAN_SCAN_PARAMS_MAX_IE_LEN  256
 
+#define WMI_APPEND_TO_EXISTING_CHAN_LIST_FLAG 1
+
 #define WMI_BA_MODE_BUFFER_SIZE_256  3
 /*
  * HW mode config type replicated from FW header

@@ -3271,6 +3273,7 @@ struct  wmi_bcn_send_from_host_cmd {
 #define WMI_CHAN_INFO_QUARTER_RATE	BIT(15)
 #define WMI_CHAN_INFO_DFS_FREQ2		BIT(16)
 #define WMI_CHAN_INFO_ALLOW_HE		BIT(17)
+#define WMI_CHAN_INFO_PSC		BIT(18)
 
 #define WMI_CHAN_REG_INFO1_MIN_PWR	GENMASK(7, 0)
 #define WMI_CHAN_REG_INFO1_MAX_PWR	GENMASK(15, 8)

index ad3a7b68d308..317376a4eb6e 100644
@@ -2005,6 +2005,8 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
 	int i, ret, len;
 	u32 *tmp_ptr;
 	u8 extraie_len_with_pad = 0;
+	struct hint_short_ssid *s_ssid = NULL;
+	struct hint_bssid *hint_bssid = NULL;
 
 	len = sizeof(*cmd);
 

@@ -2026,6 +2028,14 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
 			roundup(params->extraie.len, sizeof(u32));
 	len += extraie_len_with_pad;
 
+	if (params->num_hint_bssid)
+		len += TLV_HDR_SIZE +
+		       params->num_hint_bssid * sizeof(struct hint_bssid);
+
+	if (params->num_hint_s_ssid)
+		len += TLV_HDR_SIZE +
+		       params->num_hint_s_ssid * sizeof(struct hint_short_ssid);
+
 	skb = ath11k_wmi_alloc_skb(wmi->wmi_ab, len);
 	if (!skb)
 		return -ENOMEM;

@@ -2126,6 +2136,68 @@ int ath11k_wmi_send_scan_start_cmd(struct ath11k *ar,
 
 	ptr += extraie_len_with_pad;
 
+	if (params->num_hint_s_ssid) {
+		len = params->num_hint_s_ssid * sizeof(struct hint_short_ssid);
+		tlv = ptr;
+		tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) |
+			      FIELD_PREP(WMI_TLV_LEN, len);
+		ptr += TLV_HDR_SIZE;
+		s_ssid = ptr;
+		for (i = 0; i < params->num_hint_s_ssid; ++i) {
+			s_ssid->freq_flags = params->hint_s_ssid[i].freq_flags;
+			s_ssid->short_ssid = params->hint_s_ssid[i].short_ssid;
+			s_ssid++;
+		}
+		ptr += len;
+	}
+
+	if (params->num_hint_bssid) {
+		len = params->num_hint_bssid * sizeof(struct hint_bssid);
+		tlv = ptr;
+		tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) |
+			      FIELD_PREP(WMI_TLV_LEN, len);
+		ptr += TLV_HDR_SIZE;
+		hint_bssid = ptr;
+		for (i = 0; i < params->num_hint_bssid; ++i) {
+			hint_bssid->freq_flags =
+				params->hint_bssid[i].freq_flags;
+			ether_addr_copy(&params->hint_bssid[i].bssid.addr[0],
+					&hint_bssid->bssid.addr[0]);
+			hint_bssid++;
+		}
+	}
+
+	len = params->num_hint_s_ssid * sizeof(struct hint_short_ssid);
+	tlv = ptr;
+	tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) |
+		      FIELD_PREP(WMI_TLV_LEN, len);
+	ptr += TLV_HDR_SIZE;
+	if (params->num_hint_s_ssid) {
+		s_ssid = ptr;
+		for (i = 0; i < params->num_hint_s_ssid; ++i) {
+			s_ssid->freq_flags = params->hint_s_ssid[i].freq_flags;
+			s_ssid->short_ssid = params->hint_s_ssid[i].short_ssid;
+			s_ssid++;
+		}
+	}
+	ptr += len;
+
+	len = params->num_hint_bssid * sizeof(struct hint_bssid);
+	tlv = ptr;
+	tlv->header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_ARRAY_FIXED_STRUCT) |
+		      FIELD_PREP(WMI_TLV_LEN, len);
+	ptr += TLV_HDR_SIZE;
+	if (params->num_hint_bssid) {
+		hint_bssid = ptr;
+		for (i = 0; i < params->num_hint_bssid; ++i) {
+			hint_bssid->freq_flags =
+				params->hint_bssid[i].freq_flags;
+			ether_addr_copy(&params->hint_bssid[i].bssid.addr[0],
+					&hint_bssid->bssid.addr[0]);
+			hint_bssid++;
+		}
+	}
+
 	ret = ath11k_wmi_cmd_send(wmi, skb,
 				  WMI_START_SCAN_CMDID);
 	if (ret) {

index 319ad7241e01..1162bd7a5f87 100644
@@ -50,6 +50,14 @@ struct wmi_tlv {
 #define WMI_MAX_MEM_REQS        32
 #define ATH11K_MAX_HW_LISTEN_INTERVAL 5
 
+#define WLAN_SCAN_MAX_HINT_S_SSID        10
+#define WLAN_SCAN_MAX_HINT_BSSID         10
+#define MAX_RNR_BSS                    5
+
+#define WLAN_SCAN_MAX_HINT_S_SSID        10
+#define WLAN_SCAN_MAX_HINT_BSSID         10
+#define MAX_RNR_BSS                    5
+
 #define WLAN_SCAN_PARAMS_MAX_SSID    16
 #define WLAN_SCAN_PARAMS_MAX_BSSID   4
 #define WLAN_SCAN_PARAMS_MAX_IE_LEN  256

@@ -3105,6 +3113,16 @@ enum {
 	((flag) |= (((mode) << WMI_SCAN_DWELL_MODE_SHIFT) & \
 		    WMI_SCAN_DWELL_MODE_MASK))
 
+struct hint_short_ssid {
+	u32 freq_flags;
+	u32 short_ssid;
+};
+
+struct hint_bssid {
+	u32 freq_flags;
+	struct wmi_mac_addr bssid;
+};
+
 struct scan_req_params {
 	u32 scan_id;
 	u32 scan_req_id;

@@ -3184,6 +3202,10 @@ struct scan_req_params {
 	struct element_info extraie;
 	struct element_info htcap;
 	struct element_info vhtcap;
+	u32 num_hint_s_ssid;
+	u32 num_hint_bssid;
+	struct hint_short_ssid hint_s_ssid[WLAN_SCAN_MAX_HINT_S_SSID];
+	struct hint_bssid hint_bssid[WLAN_SCAN_MAX_HINT_BSSID];
 };
 
 struct wmi_ssid_arg {