qcacld-3.0: Populate 6 GHz channel info in the hdd context

Currently, on receiving scan events from FW, the host is
unable to populate the channel info buffer.

Populate 6 GHz channel info in hdd context from wiphy
as per NL80211_BAND_6GHZ band.

Change-Id: I726a43d0f2bbf6c8dfc405cfa917f8dfc8a8e0cd
CRs-Fixed: 3488036

core/hdd/src/wlan_hdd_cfg80211.c

@@ -509,10 +509,45 @@ static void hdd_init_6ghz(struct hdd_context *hdd_ctx)
 
 	hdd_exit();
 }
+
+/**
+ * wlan_hdd_populate_6g_chan_info() - Populate 6 GHz chan info in hdd context
+ * @hdd_ctx: pointer to hdd context
+ * @index: 6 GHz channel beginning index in chan_info of @hdd_ctx
+ *
+ * Return: Number of 6 GHz channels populated
+ */
+static uint32_t
+wlan_hdd_populate_6g_chan_info(struct hdd_context *hdd_ctx, uint32_t index)
+{
+	uint32_t num_6g, i;
+	struct scan_chan_info *chan_info;
+
+	if (!hdd_ctx->wiphy->bands[HDD_NL80211_BAND_6GHZ] ||
+	    !hdd_ctx->wiphy->bands[HDD_NL80211_BAND_6GHZ]->n_channels) {
+		hdd_debug("6GHz channel list not populated to wiphy");
+		return 0;
+	}
+
+	num_6g = QDF_ARRAY_SIZE(hdd_channels_6_ghz);
+	chan_info = hdd_ctx->chan_info;
+
+	for (i = 0; i < num_6g; i++)
+		chan_info[index + i].freq = hdd_channels_6_ghz[i].center_freq;
+
+	return num_6g;
+}
+
 #else
 static void hdd_init_6ghz(struct hdd_context *hdd_ctx)
 {
 }
+
+static inline uint32_t
+wlan_hdd_populate_6g_chan_info(struct hdd_context *hdd_ctx, uint32_t index)
+{
+	return 0;
+}
 #endif
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5, 7, 0)) || \
@@ -25746,7 +25781,7 @@ static void wlan_hdd_fill_subband_scan_info(struct hdd_context *hdd_ctx,
 		  info->subband_info.vdev_id, info->freq, ch_width, start_freq,
 		  end_freq, freq_info_num);
 
-	for (idx = 0; idx < SIR_MAX_NUM_CHANNELS; idx++) {
+	for (idx = 0; idx < NUM_CHANNELS; idx++) {
 		if (chan[idx].freq == 0)
 			continue;
 
@@ -25851,20 +25886,17 @@ void wlan_hdd_init_chan_info(struct hdd_context *hdd_ctx)
 	}
 
 	num_5g = QDF_ARRAY_SIZE(hdd_channels_5_ghz);
-	for (; (index - num_2g) < num_5g; index++) {
-		if (wlan_reg_is_dsrc_freq(
-		    hdd_channels_5_ghz[index - num_2g].center_freq))
-			continue;
+	for (; (index - num_2g) < num_5g; index++)
 		hdd_ctx->chan_info[index].freq =
 			hdd_channels_5_ghz[index - num_2g].center_freq;
-	}
 
 	index = num_2g + num_5g;
-	index = wlan_hdd_populate_5dot9_chan_info(hdd_ctx, index);
+	index += wlan_hdd_populate_5dot9_chan_info(hdd_ctx, index);
+	index += wlan_hdd_populate_6g_chan_info(hdd_ctx, index);
+	hdd_debug("Number of channels populated : %d", index);
 
 	mac_handle = hdd_ctx->mac_handle;
-	sme_set_chan_info_callback(mac_handle,
-				   &wlan_hdd_chan_info_cb);
+	sme_set_chan_info_callback(mac_handle, &wlan_hdd_chan_info_cb);
 }
 
 /**