qcacld-3.0: Ratelimit logs in WLAN IPA exception path

There will be excessive logs in exception path when running SAP embedded
traffic since these logs are per packet.

Fix is to ratelimit all logs in IPA exception path to avoid excessive
logs.

Change-Id: Ia96a60f4de145740d7099b432c92e7b5785047d2
CRs-Fixed: 2272014

ipa/core/inc/wlan_ipa_main.h

@@ -44,6 +44,12 @@
 #define ipa_debug(format, args...) \
 		ipa_logfl(QDF_TRACE_LEVEL_DEBUG, format, ## args)
 
+#define ipa_fatal_rl(params...) QDF_TRACE_FATAL_RL(QDF_MODULE_ID_IPA, params)
+#define ipa_err_rl(params...) QDF_TRACE_ERROR_RL(QDF_MODULE_ID_IPA, params)
+#define ipa_warn_rl(params...) QDF_TRACE_WARN_RL(QDF_MODULE_ID_IPA, params)
+#define ipa_info_rl(params...) QDF_TRACE_INFO_RL(QDF_MODULE_ID_IPA, params)
+#define ipa_debug_rl(params...) QDF_TRACE_DEBUG_RL(QDF_MODULE_ID_IPA, params)
+
 #define IPA_ENTER() ipa_debug("enter")
 #define IPA_EXIT() ipa_debug("exit")
 

ipa/core/src/wlan_ipa_core.c

@@ -618,9 +618,9 @@ wlan_ipa_send_skb_to_network(qdf_nbuf_t skb,
 	struct wlan_ipa_priv *ipa_ctx = gp_ipa;
 
 	if (!iface_ctx->dev) {
-		WLAN_IPA_LOG(QDF_TRACE_LEVEL_DEBUG, "Invalid interface");
+		ipa_debug_rl("Invalid interface");
 		ipa_ctx->ipa_rx_internal_drop_count++;
-		qdf_nbuf_free(skb);
+		dev_kfree_skb_any(skb);
 		return;
 	}
 
@@ -658,8 +658,7 @@ static void wlan_ipa_forward(struct wlan_ipa_priv *ipa_ctx,
 	/* WLAN subsystem is in suspend, put in queue */
 	if (ipa_ctx->suspended) {
 		qdf_spin_unlock_bh(&ipa_ctx->pm_lock);
-		WLAN_IPA_LOG(QDF_TRACE_LEVEL_INFO,
-			"Tx in suspend, put in queue");
+		ipa_info_rl("Tx in suspend, put in queue");
 		qdf_mem_set(skb->cb, sizeof(skb->cb), 0);
 		pm_tx_cb = (struct wlan_ipa_pm_tx_cb *)skb->cb;
 		pm_tx_cb->exception = true;
@@ -674,8 +673,7 @@ static void wlan_ipa_forward(struct wlan_ipa_priv *ipa_ctx,
 
 		if (ipa_ctx->softap_xmit) {
 			if (ipa_ctx->softap_xmit(skb, iface_ctx->dev)) {
-				WLAN_IPA_LOG(QDF_TRACE_LEVEL_ERROR,
-					     "packet Tx fail");
+				ipa_err_rl("packet Tx fail");
 				ipa_ctx->stats.num_tx_fwd_err++;
 			} else {
 				ipa_ctx->stats.num_tx_fwd_ok++;
@@ -721,8 +719,7 @@ static enum wlan_ipa_forward_type wlan_ipa_intrabss_forward(
 			ret = WLAN_IPA_FORWARD_PKT_DISCARD;
 			return ret;
 		}
-		WLAN_IPA_LOG(QDF_TRACE_LEVEL_DEBUG,
-				"Forward packet to Tx (fw_desc=%d)", desc);
+		ipa_debug_rl("Forward packet to Tx (fw_desc=%d)", desc);
 		ipa_ctx->ipa_tx_forward++;
 
 		if ((desc & FW_RX_DESC_DISCARD_M)) {
@@ -737,8 +734,7 @@ static enum wlan_ipa_forward_type wlan_ipa_intrabss_forward(
 				wlan_ipa_forward(ipa_ctx, iface_ctx,
 						 cloned_skb);
 			else
-				WLAN_IPA_LOG(QDF_TRACE_LEVEL_ERROR,
-						"tx skb alloc failed");
+				ipa_err_rl("tx skb alloc failed");
 			ret = WLAN_IPA_FORWARD_PKT_LOCAL_STACK;
 		}
 	}
@@ -781,8 +777,7 @@ static void wlan_ipa_w2i_cb(void *priv, qdf_ipa_dp_evt_type_t evt,
 			iface_id = WLAN_IPA_GET_IFACE_ID(skb->data);
 		}
 		if (iface_id >= WLAN_IPA_MAX_IFACE) {
-			ipa_err("IPA_RECEIVE: Invalid iface_id: %u",
-				iface_id);
+			ipa_err_rl("Invalid iface_id: %u", iface_id);
 			ipa_ctx->ipa_rx_internal_drop_count++;
 			dev_kfree_skb_any(skb);
 			return;
@@ -790,7 +785,8 @@ static void wlan_ipa_w2i_cb(void *priv, qdf_ipa_dp_evt_type_t evt,
 
 		iface_context = &ipa_ctx->iface_context[iface_id];
 		if (!iface_context->tl_context) {
-			ipa_err("IPA_RECEIVE: TL context is NULL");
+			ipa_err_rl("TL context of iface_id %u is NULL",
+				   iface_id);
 			ipa_ctx->ipa_rx_internal_drop_count++;
 			dev_kfree_skb_any(skb);
 			return;
@@ -825,14 +821,14 @@ static void wlan_ipa_w2i_cb(void *priv, qdf_ipa_dp_evt_type_t evt,
 						     fw_desc, skb))
 				break;
 		} else {
-			ipa_debug("Intra-BSS FWD is disabled-skip forward to Tx");
+			ipa_debug_rl("Intra-BSS forwarding is disabled");
 		}
 
 		wlan_ipa_send_skb_to_network(skb, iface_context);
 		break;
 
 	default:
-		ipa_err("w2i cb wrong event: 0x%x", evt);
+		ipa_err_rl("w2i cb wrong event: 0x%x", evt);
 		return;
 	}
 }
@@ -860,7 +856,7 @@ static void wlan_ipa_i2w_cb(void *priv, qdf_ipa_dp_evt_type_t evt,
 	ipa_ctx = iface_context->ipa_ctx;
 
 	if (evt != IPA_RECEIVE) {
-		WLAN_IPA_LOG(QDF_TRACE_LEVEL_ERROR, "Event is not IPA_RECEIVE");
+		ipa_err_rl("Event is not IPA_RECEIVE");
 		ipa_free_skb(ipa_tx_desc);
 		iface_context->stats.num_tx_drop++;
 		return;