qcacmn: Add verbose log for RX frame dropping

Now only error counter is present in normal
datapath RX frame dropping. This change add
verbose log for easy debug.

CRs-Fixed: 3706290
Change-Id: Iae2fb9f6100109173921c4f1d43258a0722dc0de

dp/wifi3.0/be/dp_be_rx.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -641,6 +641,7 @@ done:
 		dp_rx_prefetch_nbuf_data_be(nbuf, next);
 		if (qdf_unlikely(dp_rx_is_raw_frame_dropped(nbuf))) {
 			nbuf = next;
+			dp_verbose_debug("drop raw frame");
 			DP_STATS_INC(soc, rx.err.raw_frm_drop, 1);
 			continue;
 		}
@@ -663,6 +664,7 @@ done:
 		tid = qdf_nbuf_get_tid_val(nbuf);
 		if (qdf_unlikely(tid >= CDP_MAX_DATA_TIDS)) {
 			DP_STATS_INC(soc, rx.err.rx_invalid_tid_err, 1);
+			dp_verbose_debug("drop invalid tid");
 			dp_rx_nbuf_free(nbuf);
 			nbuf = next;
 			continue;
@@ -677,6 +679,7 @@ done:
 								 &rx_pdev, &dsf,
 								 &old_tid);
 			if (qdf_unlikely(!txrx_peer) || qdf_unlikely(!vdev)) {
+				dp_verbose_debug("drop no peer frame");
 				nbuf = next;
 				continue;
 			}
@@ -693,6 +696,7 @@ done:
 								 &rx_pdev, &dsf,
 								 &old_tid);
 			if (qdf_unlikely(!txrx_peer) || qdf_unlikely(!vdev)) {
+				dp_verbose_debug("drop by unmatch peer_id");
 				nbuf = next;
 				continue;
 			}
@@ -859,6 +863,7 @@ done:
 				DP_PEER_PER_PKT_STATS_INC(txrx_peer,
 							  rx.peer_unauth_rx_pkt_drop,
 							  1, link_id);
+				dp_verbose_debug("drop by unauthorized peer");
 				dp_rx_nbuf_free(nbuf);
 				nbuf = next;
 				continue;
@@ -879,6 +884,7 @@ done:
 						(txrx_peer,
 						 rx.multipass_rx_pkt_drop,
 						 1, link_id);
+					dp_verbose_debug("drop multi pass");
 					dp_rx_nbuf_free(nbuf);
 					nbuf = next;
 					continue;
@@ -893,6 +899,7 @@ done:
 				DP_PEER_PER_PKT_STATS_INC(txrx_peer,
 							  rx.nawds_mcast_drop,
 							  1, link_id);
+				dp_verbose_debug("drop nawds");
 				dp_rx_nbuf_free(nbuf);
 				nbuf = next;
 				continue;

dp/wifi3.0/dp_internal.h

@@ -1468,10 +1468,12 @@ void DP_PRINT_STATS(const char *fmt, ...);
 #define DP_TX_HIST_STATS_PER_PDEV()
 #endif /* DISABLE_DP_STATS */
 
-#define FRAME_MASK_IPV4_ARP   1
-#define FRAME_MASK_IPV4_DHCP  2
-#define FRAME_MASK_IPV4_EAPOL 4
-#define FRAME_MASK_IPV6_DHCP  8
+#define FRAME_MASK_IPV4_ARP   0x1
+#define FRAME_MASK_IPV4_DHCP  0x2
+#define FRAME_MASK_IPV4_EAPOL 0x4
+#define FRAME_MASK_IPV6_DHCP  0x8
+#define FRAME_MASK_DNS_QUERY  0x10
+#define FRAME_MASK_DNS_RESP   0x20
 
 static inline int dp_log2_ceil(unsigned int value)
 {

dp/wifi3.0/dp_rx.c

@@ -2836,7 +2836,9 @@ void dp_rx_deliver_to_stack_no_peer(struct dp_soc *soc, qdf_nbuf_t nbuf)
 	uint32_t pkt_len = 0;
 	uint8_t *rx_tlv_hdr;
 	uint32_t frame_mask = FRAME_MASK_IPV4_ARP | FRAME_MASK_IPV4_DHCP |
-				FRAME_MASK_IPV4_EAPOL | FRAME_MASK_IPV6_DHCP;
+			      FRAME_MASK_IPV4_EAPOL | FRAME_MASK_IPV6_DHCP |
+			      FRAME_MASK_DNS_QUERY | FRAME_MASK_DNS_RESP;
+
 	bool is_special_frame = false;
 	struct dp_peer *peer = NULL;
 

dp/wifi3.0/dp_rx.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -267,7 +267,11 @@ bool dp_rx_is_special_frame(qdf_nbuf_t nbuf, uint32_t frame_mask)
 	    ((frame_mask & FRAME_MASK_IPV4_EAPOL) &&
 	     qdf_nbuf_is_ipv4_eapol_pkt(nbuf)) ||
 	    ((frame_mask & FRAME_MASK_IPV6_DHCP) &&
-	     qdf_nbuf_is_ipv6_dhcp_pkt(nbuf)))
+	     qdf_nbuf_is_ipv6_dhcp_pkt(nbuf)) ||
+	    ((frame_mask & FRAME_MASK_DNS_QUERY) &&
+	     qdf_nbuf_data_is_dns_query(nbuf)) ||
+	    ((frame_mask & FRAME_MASK_DNS_RESP) &&
+	     qdf_nbuf_data_is_dns_response(nbuf)))
 		return true;
 
 	return false;