bpf/progs/test_l4lb_noinline.c

201 static __noinline __u32 get_packet_hash(struct packet_description *pckt, bool ipv6)
204 		return jhash_2words(jhash(pckt->srcv6, 16, MAX_VIPS),
205 				    pckt->ports, CH_RINGS_SIZE);
207 		return jhash_2words(pckt->src, pckt->ports, CH_RINGS_SIZE);
211 				      struct packet_description *pckt,
215 	__u32 hash = get_packet_hash(pckt, is_ipv6);
234 				   struct packet_description *pckt)
248 	pckt->proto = ip6h->nexthdr;
249 	pckt->flags |= F_ICMP;
250 	memcpy(pckt->srcv6, ip6h->daddr.s6_addr32, 16);
251 	memcpy(pckt->dstv6, ip6h->saddr.s6_addr32, 16);
256 				 struct packet_description *pckt)
273 	pckt->proto = iph->protocol;
274 	pckt->flags |= F_ICMP;
275 	pckt->src = iph->daddr;
276 	pckt->dst = iph->saddr;
281 				 struct packet_description *pckt)
289 	if (!(pckt->flags & F_ICMP)) {
290 		pckt->port16[0] = udp->source;
291 		pckt->port16[1] = udp->dest;
293 		pckt->port16[0] = udp->dest;
294 		pckt->port16[1] = udp->source;
300 				 struct packet_description *pckt)
309 		pckt->flags |= F_SYN_SET;
311 	if (!(pckt->flags & F_ICMP)) {
312 		pckt->port16[0] = tcp->source;
313 		pckt->port16[1] = tcp->dest;
315 		pckt->port16[0] = tcp->dest;
316 		pckt->port16[1] = tcp->source;
325 	struct packet_description pckt = {};
353 		pckt.proto = protocol;
359 			action = parse_icmpv6(data, data_end, off, &pckt);
364 			memcpy(pckt.srcv6, ip6h->saddr.s6_addr32, 16);
365 			memcpy(pckt.dstv6, ip6h->daddr.s6_addr32, 16);
375 		pckt.proto = protocol;
382 			action = parse_icmp(data, data_end, off, &pckt);
387 			pckt.src = iph->saddr;
388 			pckt.dst = iph->daddr;
391 	protocol = pckt.proto;
394 		if (!parse_tcp(data, off, data_end, &pckt))
397 		if (!parse_udp(data, off, data_end, &pckt))
404 		memcpy(vip.daddr.v6, pckt.dstv6, 16);
406 		vip.daddr.v4 = pckt.dst;
408 	vip.dport = pckt.port16[1];
409 	vip.protocol = pckt.proto;
416 		pckt.port16[1] = 0;
420 		pckt.port16[0] = 0;
422 	if (!get_packet_dst(&dst, &pckt, vip_info, is_ipv6))