diff options
| author | Menglong Dong <imagedong@tencent.com> | 2022-02-20 15:06:29 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-02-20 13:55:31 +0000 |
| commit | 082116ffcb7457ae50e3ddb0213d66ab29408f30 (patch) | |
| tree | 468029dae429a1b4dcb81e5992ecfb8f6638086d /net/ipv4/tcp_input.c | |
| parent | 48c77bdf729a91fa7f65765d3f60f01e0ac320c5 (diff) | |
| download | linux-082116ffcb7457ae50e3ddb0213d66ab29408f30.tar.gz | |
net: tcp: introduce tcp_drop_reason()
For TCP protocol, tcp_drop() is used to free the skb when it needs
to be dropped. To make use of kfree_skb_reason() and pass the drop
reason to it, introduce the function tcp_drop_reason(). Meanwhile,
make tcp_drop() an inline call to tcp_drop_reason().
Reviewed-by: Mengen Sun <mengensun@tencent.com>
Reviewed-by: Hao Peng <flyingpeng@tencent.com>
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 92e65d56dc2c3..0f41fdfd8c277 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -4684,10 +4684,16 @@ static bool tcp_ooo_try_coalesce(struct sock *sk, return res; } -static void tcp_drop(struct sock *sk, struct sk_buff *skb) +static void tcp_drop_reason(struct sock *sk, struct sk_buff *skb, + enum skb_drop_reason reason) { sk_drops_add(sk, skb); - __kfree_skb(skb); + kfree_skb_reason(skb, reason); +} + +static void tcp_drop(struct sock *sk, struct sk_buff *skb) +{ + tcp_drop_reason(sk, skb, SKB_DROP_REASON_NOT_SPECIFIED); } /* This one checks to see if we can put data from the |