change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/net/ipv4/ip_output.c
..
..
@@ -223,7 +223,7 @@
223
223
 	if (lwtunnel_xmit_redirect(dst->lwtstate)) {
224
224
 		int res = lwtunnel_xmit(skb);
225
225
 
226
-		if (res < 0 || res == LWTUNNEL_XMIT_DONE)
226
+		if (res != LWTUNNEL_XMIT_CONTINUE)
227
227
 			return res;
228
228
 	}
229
229
 
..
..
@@ -1564,9 +1564,19 @@
1564
1564
 	cork->dst = NULL;
1565
1565
 	skb_dst_set(skb, &rt->dst);
1566
1566
 
1567
-	if (iph->protocol == IPPROTO_ICMP)
1568
-		icmp_out_count(net, ((struct icmphdr *)
1569
-			skb_transport_header(skb))->type);
1567
+	if (iph->protocol == IPPROTO_ICMP) {
1568
+		u8 icmp_type;
1569
+
1570
+		/* For such sockets, transhdrlen is zero when do ip_append_data(),
1571
+		 * so icmphdr does not in skb linear region and can not get icmp_type
1572
+		 * by icmp_hdr(skb)->type.
1573
+		 */
1574
+		if (sk->sk_type == SOCK_RAW && !inet_sk(sk)->hdrincl)
1575
+			icmp_type = fl4->fl4_icmp_type;
1576
+		else
1577
+			icmp_type = icmp_hdr(skb)->type;
1578
+		icmp_out_count(net, icmp_type);
1579
+	}
1570
1580
 
1571
1581
 	ip_cork_release(cork);
1572
1582
 out: