qcacmn: Add cfg command to enable umac reset skeleton debug

Add cfg command to enable umac reset skeleton debug, which
when enabled will skip post reset procedure handling.

Change-Id: Ieca393e6292660bb3ada40408fd6e71ac78d0a1f
CRs-Fixed: 3296960

dp/inc/cdp_txrx_cmn_struct.h

@@ -1288,6 +1288,7 @@ enum cdp_pdev_param_type {
  * @cdp_psoc_param_vdev_stats_hw_offload: Configure HW vdev stats offload
  * @cdp_pdev_param_undecoded_metadata_enable: Undecoded metadata capture enable
  * @cdp_vdev_param_traffic_end_ind: Traffic end indication enable/disable
+ * @cdp_skel_enable : Enable/Disable skeleton code for Umac reset debug
  */
 typedef union cdp_config_param_t {
 	/* peer params */
@@ -1374,6 +1375,7 @@ typedef union cdp_config_param_t {
 	bool cdp_sawf_enabled;
 	bool cdp_drop_3addr_mcast;
 	bool cdp_vdev_param_traffic_end_ind;
+	bool cdp_umac_rst_skel;
 } cdp_config_param_type;
 
 /**
@@ -1510,6 +1512,7 @@ enum cdp_vdev_param_type {
  * @CDP_CFG_PEER_EXT_STATS: Peer extended stats mode.
  * @CDP_IPA_ENABLE : set IPA enable mode.
  * @CDP_CFG_VDEV_STATS_HW_OFFLOAD: HW Vdev stats config
+ * @CDP_UMAC_RST_SKEL_ENABLE: Enable Umac reset skeleton code for debug
  */
 enum cdp_psoc_param_type {
 	CDP_ENABLE_RATE_STATS,
@@ -1519,6 +1522,7 @@ enum cdp_psoc_param_type {
 	CDP_IPA_ENABLE,
 	CDP_CFG_VDEV_STATS_HW_OFFLOAD,
 	CDP_SAWF_ENABLE,
+	CDP_UMAC_RST_SKEL_ENABLE,
 };
 
 #define TXRX_FW_STATS_TXSTATS                     1

dp/wifi3.0/dp_main.c

@@ -10063,6 +10063,42 @@ static void dp_txrx_stats_help(void)
 	dp_info(" 37 -- Host SRNG usage watermark stats");
 }
 
+#ifdef DP_UMAC_HW_RESET_SUPPORT
+/**
+ * dp_umac_rst_skel_enable_update(): Update skel dbg flag for umac reset
+ * @soc: dp soc handle
+ * @en: ebable/disable
+ *
+ * Return: void
+ */
+static void dp_umac_rst_skel_enable_update(struct dp_soc *soc, bool en)
+{
+	soc->umac_reset_ctx.skel_enable = en;
+	dp_cdp_debug("UMAC HW reset debug skelton code enabled :%u",
+		     soc->umac_reset_ctx.skel_enable);
+}
+
+/**
+ * dp_umac_rst_skel_enable_get(): Get skel dbg flag for umac reset
+ * @soc: dp soc handle
+ *
+ * Return: enable/disable flag
+ */
+static bool dp_umac_rst_skel_enable_get(struct dp_soc *soc)
+{
+	return soc->umac_reset_ctx.skel_enable;
+}
+#else
+static void dp_umac_rst_skel_enable_update(struct dp_soc *soc, bool en)
+{
+}
+
+static bool dp_umac_rst_skel_enable_get(struct dp_soc *soc)
+{
+	return false;
+}
+#endif
+
 /**
  * dp_print_host_stats()- Function to print the stats aggregated at host
  * @vdev_handle: DP_VDEV handle
@@ -10953,6 +10989,9 @@ dp_set_psoc_param(struct cdp_soc_t *cdp_soc,
 	case CDP_SAWF_ENABLE:
 		wlan_cfg_set_sawf_config(wlan_cfg_ctx, val.cdp_sawf_enabled);
 		break;
+	case CDP_UMAC_RST_SKEL_ENABLE:
+		dp_umac_rst_skel_enable_update(soc, val.cdp_umac_rst_skel);
+		break;
 	default:
 		break;
 	}
@@ -10986,6 +11025,9 @@ static QDF_STATUS dp_get_psoc_param(struct cdp_soc_t *cdp_soc,
 		val->cdp_psoc_param_vdev_stats_hw_offload =
 			wlan_cfg_get_vdev_stats_hw_offload_config(soc->wlan_cfg_ctx);
 		break;
+	case CDP_UMAC_RST_SKEL_ENABLE:
+		val->cdp_umac_rst_skel = dp_umac_rst_skel_enable_get(soc);
+		break;
 	default:
 		dp_warn("Invalid param");
 		break;
@@ -13426,19 +13468,21 @@ static QDF_STATUS dp_umac_reset_handle_pre_reset(struct dp_soc *soc)
  */
 static QDF_STATUS dp_umac_reset_handle_post_reset(struct dp_soc *soc)
 {
-	qdf_nbuf_t *nbuf_list = &soc->umac_reset_ctx.nbuf_list;
+	if (!soc->umac_reset_ctx.skel_enable) {
+		qdf_nbuf_t *nbuf_list = &soc->umac_reset_ctx.nbuf_list;
 
-	dp_set_umac_regs(soc);
+		dp_set_umac_regs(soc);
 
-	dp_reinit_rings(soc);
+		dp_reinit_rings(soc);
 
-	dp_rx_desc_reuse(soc, nbuf_list);
+		dp_rx_desc_reuse(soc, nbuf_list);
 
-	dp_cleanup_reo_cmd_module(soc);
+		dp_cleanup_reo_cmd_module(soc);
 
-	dp_tx_desc_pool_cleanup(soc, nbuf_list);
+		dp_tx_desc_pool_cleanup(soc, nbuf_list);
 
-	dp_reset_tid_q_setup(soc);
+		dp_reset_tid_q_setup(soc);
+	}
 
 	return dp_umac_reset_notify_action_completion(soc,
 					UMAC_RESET_ACTION_DO_POST_RESET_START);

dp/wifi3.0/dp_umac_reset.h

@@ -136,6 +136,7 @@ struct umac_reset_rx_actions {
  * @rx_actions: callbacks for handling UMAC reset actions
  * @intr_ctx_bkp: DP Interrupts ring masks backup
  * @nbuf_list: skb list for delayed free
+ * @skel_enable: Enable skeleton code for umac reset
  */
 struct dp_soc_umac_reset_ctx {
 	qdf_dma_addr_t shmem_paddr_unaligned;
@@ -149,6 +150,7 @@ struct dp_soc_umac_reset_ctx {
 	struct umac_reset_rx_actions rx_actions;
 	struct dp_intr_bkp *intr_ctx_bkp;
 	qdf_nbuf_t nbuf_list;
+	bool skel_enable;
 };
 
 /**