diff options
| author |   Cong Wang <cong.wang@bytedance.com> | 2021-06-14 19:13:41 -0700 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2021-06-21 16:48:41 +0200 |
| commit | 42830571f1fd9751b3fbf38084bbb253320e185f (patch) | |
| tree | 72e075c0014f865e8ffd86bd080b63af393f94be /net/core/skmsg.c | |
| parent | skmsg: Teach sk_psock_verdict_apply() to return errors (diff) | |
| download | linux-dev-42830571f1fd9751b3fbf38084bbb253320e185f.tar.xz linux-dev-42830571f1fd9751b3fbf38084bbb253320e185f.zip | |
skmsg: Pass source psock to sk_psock_skb_redirect()
sk_psock_skb_redirect() only takes skb as a parameter, we
will need to know where this skb is from, so just pass
the source psock to this function as a new parameter.
This patch prepares for the next one.
Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/20210615021342.7416-8-xiyou.wangcong@gmail.com
Diffstat (limited to 'net/core/skmsg.c')
| -rw-r--r-- | net/core/skmsg.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/net/core/skmsg.c b/net/core/skmsg.c index e3d210811db4..3aa9065811ad 100644 --- a/net/core/skmsg.c +++ b/net/core/skmsg.c @@ -824,7 +824,7 @@ out: } EXPORT_SYMBOL_GPL(sk_psock_msg_verdict); -static int sk_psock_skb_redirect(struct sk_buff *skb) +static int sk_psock_skb_redirect(struct sk_psock *from, struct sk_buff *skb) { struct sk_psock *psock_other; struct sock *sk_other; @@ -861,11 +861,12 @@ static int sk_psock_skb_redirect(struct sk_buff *skb) return 0; } -static void sk_psock_tls_verdict_apply(struct sk_buff *skb, struct sock *sk, int verdict) +static void sk_psock_tls_verdict_apply(struct sk_buff *skb, + struct sk_psock *from, int verdict) { switch (verdict) { case __SK_REDIRECT: - sk_psock_skb_redirect(skb); + sk_psock_skb_redirect(from, skb); break; case __SK_PASS: case __SK_DROP: @@ -889,7 +890,7 @@ int sk_psock_tls_strp_read(struct sk_psock *psock, struct sk_buff *skb) ret = sk_psock_map_verd(ret, skb_bpf_redirect_fetch(skb)); skb->sk = NULL; } - sk_psock_tls_verdict_apply(skb, psock->sk, ret); + sk_psock_tls_verdict_apply(skb, psock, ret); rcu_read_unlock(); return ret; } @@ -936,7 +937,7 @@ static int sk_psock_verdict_apply(struct sk_psock *psock, struct sk_buff *skb, } break; case __SK_REDIRECT: - err = sk_psock_skb_redirect(skb); + err = sk_psock_skb_redirect(psock, skb); break; case __SK_DROP: default: |