qca-wifi: Define radar found action on agile channel

The radar found action on a agile channel is a WIN specific action. It was
combined with the current channel radar detection making the function huge
and difficult to read.

Separate the WIN specific agile radar action and define in it as WIN
specific.

Change-Id: I79ed61ae80a2870dff9775b9435069c50584ca83
CRs-fixed: 2738015

umac/dfs/core/src/misc/dfs_zero_cac.c

@@ -4994,3 +4994,96 @@ void dfs_prepare_agile_rcac_channel(struct wlan_dfs *dfs,
 }
 #endif
 #endif
+
+#if defined(QCA_SUPPORT_AGILE_DFS) || defined(ATH_SUPPORT_ZERO_CAC_DFS) || \
+    defined(QCA_SUPPORT_ADFS_RCAC)
+QDF_STATUS
+dfs_process_radar_ind_on_agile_chan(struct wlan_dfs *dfs,
+				    struct radar_found_info *radar_found)
+{
+	uint32_t freq_center;
+	uint32_t radarfound_freq;
+	QDF_STATUS status;
+	uint8_t num_channels;
+	uint16_t freq_list[NUM_CHANNELS_160MHZ];
+	uint16_t nol_freq_list[NUM_CHANNELS_160MHZ];
+	bool is_radar_source_agile =
+		(radar_found->detector_id == dfs_get_agile_detector_id(dfs));
+
+	if ((!dfs_is_agile_precac_enabled(dfs) &&
+	     !dfs_is_agile_rcac_enabled(dfs)) ||
+	     !dfs->dfs_agile_precac_freq_mhz) {
+		dfs_err(dfs, WLAN_DEBUG_DFS,
+			"radar on Agile detector when ADFS is not running");
+		status = QDF_STATUS_E_FAILURE;
+		goto exit;
+	}
+
+	dfs_compute_radar_found_cfreq(dfs, radar_found, &freq_center);
+	radarfound_freq = freq_center + radar_found->freq_offset;
+	if (is_radar_source_agile)
+		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
+			 "Radar found on Agile detector freq=%d radar freq=%d",
+			 freq_center, radarfound_freq);
+	else if (radar_found->segment_id == SEG_ID_SECONDARY)
+		dfs_info(dfs, WLAN_DEBUG_DFS_ALWAYS,
+			 "Radar found on second segment.Radarfound Freq=%d MHz.Secondary Chan cfreq=%d MHz.",
+			 radarfound_freq, freq_center);
+	utils_dfs_deliver_event(dfs->dfs_pdev_obj, radarfound_freq,
+				WLAN_EV_RADAR_DETECTED);
+	if (!dfs->dfs_use_nol) {
+		dfs_reset_bangradar(dfs);
+		dfs_send_csa_to_current_chan(dfs);
+		status = QDF_STATUS_SUCCESS;
+		goto exit;
+	}
+
+	 num_channels = dfs_find_radar_affected_channels(dfs,
+			 radar_found,
+			 freq_list,
+			 freq_center);
+
+	 dfs_reset_bangradar(dfs);
+
+	 status = dfs_radar_add_channel_list_to_nol_for_freq(dfs,
+			 freq_list,
+			 nol_freq_list,
+			 &num_channels);
+	 if (QDF_IS_STATUS_ERROR(status)) {
+		dfs_err(dfs, WLAN_DEBUG_DFS,
+			"radar event received on invalid channel");
+		goto exit;
+	 }
+	 /*
+	  * If precac is running and the radar found in secondary
+	  * VHT80 mark the channel as radar and add to NOL list.
+	  * Otherwise random channel selection can choose this
+	  * channel.
+	  */
+	 dfs_debug(dfs, WLAN_DEBUG_DFS,
+			 "found_on_second=%d is_pre=%d",
+			 dfs->is_radar_found_on_secondary_seg,
+			 dfs_is_precac_timer_running(dfs));
+	 /*
+	  * Even if radar found on primary, we need to mark the channel as NOL
+	  * in preCAC list. The preCAC list also maintains the current CAC
+	  * channels as part of pre-cleared DFS. Hence call the API
+	  * to mark channels as NOL irrespective of preCAC being enabled or not.
+	  */
+
+	 dfs_debug(dfs, WLAN_DEBUG_DFS,
+			 "%s: %d Radar found on dfs detector:%d",
+			 __func__, __LINE__, radar_found->detector_id);
+	 dfs_mark_precac_nol_for_freq(dfs,
+			 dfs->is_radar_found_on_secondary_seg,
+			 radar_found->detector_id,
+			 nol_freq_list,
+			 num_channels);
+	if (is_radar_source_agile)
+		utils_dfs_agile_sm_deliver_evt(dfs->dfs_pdev_obj,
+					       DFS_AGILE_SM_EV_ADFS_RADAR);
+
+exit:
+	return status;
+}
+#endif