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generated by cgit v1.2.2 (git 2.25.0) at 2025-10-21 10:10:57 -0400
ass="hl kwb">struct xfrm_state *x, struct sk_buff *skb) { struct ipv6hdr *top_iph; struct ip_beet_phdr *ph; int optlen, hdr_len; hdr_len = 0; optlen = XFRM_MODE_SKB_CB(skb)->optlen; if (unlikely(optlen)) hdr_len += IPV4_BEET_PHMAXLEN - (optlen & 4); skb_set_network_header(skb, -x->props.header_len - hdr_len); if (x->sel.family != AF_INET6) skb->network_header += IPV4_BEET_PHMAXLEN; skb->mac_header = skb->network_header + offsetof(struct ipv6hdr, nexthdr); skb->transport_header = skb->network_header + sizeof(*top_iph); ph = (struct ip_beet_phdr *)__skb_pull(skb, XFRM_MODE_SKB_CB(skb)->ihl-hdr_len); xfrm6_beet_make_header(skb); top_iph = ipv6_hdr(skb); if (unlikely(optlen)) { BUG_ON(optlen < 0); ph->padlen = 4 - (optlen & 4); ph->hdrlen = optlen / 8; ph->nexthdr = top_iph->nexthdr; if (ph->padlen) memset(ph + 1, IPOPT_NOP, ph->padlen); top_iph->nexthdr = IPPROTO_BEETPH; } top_iph->saddr = *(struct in6_addr *)&x->props.saddr; top_iph->daddr = *(struct in6_addr *)&x->id.daddr; return 0; } static int xfrm6_beet_input(struct xfrm_state *x, struct sk_buff *skb) { struct ipv6hdr *ip6h; int size = sizeof(struct ipv6hdr); int err; err = skb_cow_head(skb, size + skb->mac_len); if (err) goto out; __skb_push(skb, size); skb_reset_network_header(skb); skb_mac_header_rebuild(skb); xfrm6_beet_make_header(skb); ip6h = ipv6_hdr(skb); ip6h->payload_len = htons(skb->len - size); ip6h->daddr = *(struct in6_addr *)&x->sel.daddr.a6;