From: Eric Dumazet Date: Thu, 2 Feb 2023 09:40:58 +0000 (+0000) Subject: ipv6: raw: add drop reasons X-Git-Tag: io_uring-6.3-2023-03-03~13^2~143^2~2 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=8d8ebd77f5ede7ff9e3072653221706655924191;p=linux-2.6-block.git ipv6: raw: add drop reasons Use existing helpers and drop reason codes for RAW input path. Signed-off-by: Eric Dumazet Signed-off-by: Jakub Kicinski --- diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index ada087b50541..2e1c8060b51a 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -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; } }