[RFC v3 net-next 4/7] net: raw: use sk_skb_reason_drop to free rx packets

From: Yan Zhai
Date: Tue Jun 04 2024 - 17:48:58 EST


Replace kfree_skb_reason with sk_skb_reason_drop and pass the receiving
socket to the tracepoint.

Signed-off-by: Yan Zhai <yan@xxxxxxxxxxxxxx>
---
net/ipv4/raw.c | 4 ++--
net/ipv6/raw.c | 8 ++++----
2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index 1a0953650356..474dfd263c8b 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -301,7 +301,7 @@ static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb)

ipv4_pktinfo_prepare(sk, skb, true);
if (sock_queue_rcv_skb_reason(sk, skb, &reason) < 0) {
- kfree_skb_reason(skb, reason);
+ sk_skb_reason_drop(sk, skb, reason);
return NET_RX_DROP;
}

@@ -312,7 +312,7 @@ 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_reason(skb, SKB_DROP_REASON_XFRM_POLICY);
+ sk_skb_reason_drop(sk, skb, SKB_DROP_REASON_XFRM_POLICY);
return NET_RX_DROP;
}
nf_reset_ct(skb);
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index f838366e8256..608fa9d05b55 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -362,14 +362,14 @@ static inline int rawv6_rcv_skb(struct sock *sk, struct sk_buff *skb)
if ((raw6_sk(sk)->checksum || rcu_access_pointer(sk->sk_filter)) &&
skb_checksum_complete(skb)) {
atomic_inc(&sk->sk_drops);
- kfree_skb_reason(skb, SKB_DROP_REASON_SKB_CSUM);
+ sk_skb_reason_drop(sk, skb, SKB_DROP_REASON_SKB_CSUM);
return NET_RX_DROP;
}

/* Charge it to the socket. */
skb_dst_drop(skb);
if (sock_queue_rcv_skb_reason(sk, skb, &reason) < 0) {
- kfree_skb_reason(skb, reason);
+ sk_skb_reason_drop(sk, skb, reason);
return NET_RX_DROP;
}

@@ -390,7 +390,7 @@ 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_reason(skb, SKB_DROP_REASON_XFRM_POLICY);
+ sk_skb_reason_drop(sk, skb, SKB_DROP_REASON_XFRM_POLICY);
return NET_RX_DROP;
}
nf_reset_ct(skb);
@@ -415,7 +415,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb)
if (inet_test_bit(HDRINCL, sk)) {
if (skb_checksum_complete(skb)) {
atomic_inc(&sk->sk_drops);
- kfree_skb_reason(skb, SKB_DROP_REASON_SKB_CSUM);
+ sk_skb_reason_drop(sk, skb, SKB_DROP_REASON_SKB_CSUM);
return NET_RX_DROP;
}
}
--
2.30.2