struct ipv6_sr_hdr *hdr;
struct inet6_dev *idev;
struct in6_addr *addr;
- bool cleanup = false;
int accept_seg6;
hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb);
#endif
looped_back:
- if (hdr->segments_left > 0) {
- if (hdr->nexthdr != NEXTHDR_IPV6 && hdr->segments_left == 1 &&
- sr_has_cleanup(hdr))
- cleanup = true;
- } else {
+ if (hdr->segments_left == 0) {
if (hdr->nexthdr == NEXTHDR_IPV6) {
int offset = (hdr->hdrlen + 1) << 3;
icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,
((&hdr->segments_left) -
skb_network_header(skb)));
- kfree_skb(skb);
return -1;
}
ipv6_hdr(skb)->daddr = *addr;
- if (cleanup) {
- int srhlen = (hdr->hdrlen + 1) << 3;
- int nh = hdr->nexthdr;
-
- skb_pull_rcsum(skb, sizeof(struct ipv6hdr) + srhlen);
- memmove(skb_network_header(skb) + srhlen,
- skb_network_header(skb),
- (unsigned char *)hdr - skb_network_header(skb));
- skb->network_header += srhlen;
- ipv6_hdr(skb)->nexthdr = nh;
- ipv6_hdr(skb)->payload_len = htons(skb->len -
- sizeof(struct ipv6hdr));
- skb_push_rcsum(skb, sizeof(struct ipv6hdr));
- }
-
skb_dst_drop(skb);
ip6_route_input(skb);
}
ipv6_hdr(skb)->hop_limit--;
- /* be sure that srh is still present before reinjecting */
- if (!cleanup) {
- skb_pull(skb, sizeof(struct ipv6hdr));
- goto looped_back;
- }
- skb_set_transport_header(skb, sizeof(struct ipv6hdr));
- IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
+ skb_pull(skb, sizeof(struct ipv6hdr));
+ goto looped_back;
}
dst_input(skb);
{
switch (opt->type) {
case IPV6_SRCRT_TYPE_0:
+ case IPV6_SRCRT_STRICT:
+ case IPV6_SRCRT_TYPE_2:
ipv6_push_rthdr0(skb, proto, opt, addr_p, saddr);
break;
case IPV6_SRCRT_TYPE_4:
switch (opt->srcrt->type) {
case IPV6_SRCRT_TYPE_0:
+ case IPV6_SRCRT_STRICT:
+ case IPV6_SRCRT_TYPE_2:
fl6->daddr = *((struct rt0_hdr *)opt->srcrt)->addr;
break;
case IPV6_SRCRT_TYPE_4: