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ipv4: raw: add drop reasons 

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

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet 2023-02-02 09:40:59 +00:00 committed by Jakub Kicinski
parent 8d8ebd77f5
commit 42186e6c00
1 changed files with 5 additions and 3 deletions
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8
net/ipv4/raw.c
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@ -287,11 +287,13 @@ void raw_icmp_error(struct sk_buff *skb, int protocol, u32 info)
static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb)
{
enum skb_drop_reason reason;
/* Charge it to the socket. */
ipv4_pktinfo_prepare(sk, 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;
}
@ -302,7 +304,7 @@ int raw_rcv(struct sock *sk, struct sk_buff *skb)
{
if (!xfrm4_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;
}
nf_reset_ct(skb);