Commit 8d8ebd77 authored by Eric Dumazet's avatar Eric Dumazet Committed by Jakub Kicinski
Browse files

ipv6: raw: add drop reasons 



Use existing helpers and drop reason codes for RAW input path.

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent dfefcb0c

net/ipv6/raw.c

+7 −5
Original line number Diff line number Diff line
@@ -355,17 +355,19 @@ void raw6_icmp_error(struct sk_buff *skb, int nexthdr, 


static inline int rawv6_rcv_skb(struct sock *sk, struct sk_buff *skb)

{

	enum skb_drop_reason reason;



	if ((raw6_sk(sk)->checksum || rcu_access_pointer(sk->sk_filter)) &&

	    skb_checksum_complete(skb)) {

		atomic_inc(&sk->sk_drops);

		kfree_skb(skb);

		kfree_skb_reason(skb, SKB_DROP_REASON_SKB_CSUM);

		return NET_RX_DROP;

	}



	/* Charge it to the socket. */

	skb_dst_drop(skb);

	if (sock_queue_rcv_skb(sk, skb) < 0) {

		kfree_skb(skb);

	if (sock_queue_rcv_skb_reason(sk, skb, &reason) < 0) {

		kfree_skb_reason(skb, reason);

		return NET_RX_DROP;

	}
@@ -386,7 +388,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb) 


	if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) {

		atomic_inc(&sk->sk_drops);

		kfree_skb(skb);

		kfree_skb_reason(skb, SKB_DROP_REASON_XFRM_POLICY);

		return NET_RX_DROP;

	}
@@ -410,7 +412,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb) 
	if (inet->hdrincl) {

		if (skb_checksum_complete(skb)) {

			atomic_inc(&sk->sk_drops);

			kfree_skb(skb);

			kfree_skb_reason(skb, SKB_DROP_REASON_SKB_CSUM);

			return NET_RX_DROP;

		}

	}