inline int
uconn_init(uconn_t *uc, int lp, int rp, lisp_addr_t *la,lisp_addr_t *ra)
{
uc->lp = lp;
uc->rp = rp;
la ? lisp_addr_copy(&uc->la, la) :
lisp_addr_set_lafi(&uc->la, LM_AFI_NO_ADDR);
ra ? lisp_addr_copy(&uc->ra, ra) :
lisp_addr_set_lafi(&uc->ra, LM_AFI_NO_ADDR);
return(GOOD);
}
int
pkt_parse_5_tuple(lbuf_t *b, packet_tuple_t *tuple)
{
struct iphdr *iph = NULL;
struct ip6_hdr *ip6h = NULL;
struct udphdr *udp = NULL;
struct tcphdr *tcp = NULL;
lbuf_t packet = *b;
iph = lbuf_ip(&packet);
lisp_addr_set_lafi(&tuple->src_addr, LM_AFI_IP);
lisp_addr_set_lafi(&tuple->dst_addr, LM_AFI_IP);
switch (iph->version) {
case 4:
lisp_addr_ip_init(&tuple->src_addr, &iph->saddr, AF_INET);
lisp_addr_ip_init(&tuple->dst_addr, &iph->daddr, AF_INET);
tuple->protocol = iph->protocol;
lbuf_pull(&packet, iph->ihl * 4);
break;
case 6:
ip6h = (struct ip6_hdr *)iph;
lisp_addr_ip_init(&tuple->src_addr, &ip6h->ip6_src, AF_INET6);
lisp_addr_ip_init(&tuple->dst_addr, &ip6h->ip6_dst, AF_INET6);
/* XXX: assuming no extra headers */
tuple->protocol = ip6h->ip6_nxt;
lbuf_pull(&packet, sizeof(struct ip6_hdr));
break;
default:
OOR_LOG(LDBG_2, "pkt_parse_5_tuple: Not an IP packet!");
return (BAD);
}
OOR_LOG(LDBG_2, "pkt_parse_5_tuple: %", tuple->protocol);
if (tuple->protocol == IPPROTO_UDP) {
udp = lbuf_data(&packet);
tuple->src_port = ntohs(udp->source);
tuple->dst_port = ntohs(udp->dest);
} else if (tuple->protocol == IPPROTO_TCP) {
tcp = lbuf_data(&packet);
tuple->src_port = ntohs(tcp->source);
tuple->dst_port = ntohs(tcp->dest);
} else {
/* If protocol is not TCP or UDP, ports of the tuple set to 0 */
tuple->src_port = 0;
tuple->dst_port = 0;
}
return (GOOD);
}