const struct inet6_protocol *ipprot;
struct inet6_dev *idev;
unsigned int nhoff;
+ SKB_DR(reason);
bool raw;
/*
if (ipv6_addr_is_multicast(&hdr->daddr) &&
!ipv6_chk_mcast_addr(dev, &hdr->daddr,
&hdr->saddr) &&
- !ipv6_is_mld(skb, nexthdr, skb_network_header_len(skb)))
+ !ipv6_is_mld(skb, nexthdr, skb_network_header_len(skb))) {
+ SKB_DR_SET(reason, IP_INADDRERRORS);
goto discard;
+ }
}
if (!(ipprot->flags & INET6_PROTO_NOPOLICY) &&
- !xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb))
+ !xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
+ SKB_DR_SET(reason, XFRM_POLICY);
goto discard;
+ }
ret = INDIRECT_CALL_2(ipprot->handler, tcp_v6_rcv, udpv6_rcv,
skb);
IPSTATS_MIB_INUNKNOWNPROTOS);
icmpv6_send(skb, ICMPV6_PARAMPROB,
ICMPV6_UNK_NEXTHDR, nhoff);
+ SKB_DR_SET(reason, IP_NOPROTO);
+ } else {
+ SKB_DR_SET(reason, XFRM_POLICY);
}
- kfree_skb(skb);
+ kfree_skb_reason(skb, reason);
} else {
__IP6_INC_STATS(net, idev, IPSTATS_MIB_INDELIVERS);
consume_skb(skb);
discard:
__IP6_INC_STATS(net, idev, IPSTATS_MIB_INDISCARDS);
- kfree_skb(skb);
+ kfree_skb_reason(skb, reason);
}
static int ip6_input_finish(struct net *net, struct sock *sk, struct sk_buff *skb)