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sock_map: Rename skb_parser and skb_verdict

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These two eBPF programs are tied to BPF_SK_SKB_STREAM_PARSER
and BPF_SK_SKB_STREAM_VERDICT, rename them to reflect the fact
they are only used for TCP. And save the name 'skb_verdict' for
general use later.

Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Reviewed-by: Lorenz Bauer <lmb@cloudflare.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/20210223184934.6054-6-xiyou.wangcong@gmail.com
This commit is contained in:
Cong Wang 2021-02-23 10:49:30 -08:00 • committed by Alexei Starovoitov
parent e3526bb92a
commit ae8b8332fb
5 changed files with 47 additions and 47 deletions
Download patch file Download diff file Expand all files Collapse all files

14
net/core/skmsg.c
View file

@ -691,9 +691,9 @@ void sk_psock_drop(struct sock *sk, struct sk_psock *psock)
write_lock_bh(&sk->sk_callback_lock);
sk_psock_restore_proto(sk, psock);
rcu_assign_sk_user_data(sk, NULL);
if (psock->progs.skb_parser)
if (psock->progs.stream_parser)
sk_psock_stop_strp(sk, psock);
else if (psock->progs.skb_verdict)
else if (psock->progs.stream_verdict)
sk_psock_stop_verdict(sk, psock);
write_unlock_bh(&sk->sk_callback_lock);
sk_psock_clear_state(psock, SK_PSOCK_TX_ENABLED);
@ -803,7 +803,7 @@ int sk_psock_tls_strp_read(struct sk_psock *psock, struct sk_buff *skb)
int ret = __SK_PASS;
rcu_read_lock();
prog = READ_ONCE(psock->progs.skb_verdict);
prog = READ_ONCE(psock->progs.stream_verdict);
if (likely(prog)) {
/* We skip full set_owner_r here because if we do a SK_PASS
* or SK_DROP we can skip skb memory accounting and use the
@ -895,7 +895,7 @@ static void sk_psock_strp_read(struct strparser *strp, struct sk_buff *skb)
goto out;
}
skb_set_owner_r(skb, sk);
prog = READ_ONCE(psock->progs.skb_verdict);
prog = READ_ONCE(psock->progs.stream_verdict);
if (likely(prog)) {
skb_dst_drop(skb);
skb_bpf_redirect_clear(skb);
@ -919,7 +919,7 @@ static int sk_psock_strp_parse(struct strparser *strp, struct sk_buff *skb)
int ret = skb->len;
rcu_read_lock();
prog = READ_ONCE(psock->progs.skb_parser);
prog = READ_ONCE(psock->progs.stream_parser);
if (likely(prog)) {
skb->sk = psock->sk;
ret = sk_psock_bpf_run(psock, prog, skb);
@ -982,7 +982,7 @@ void sk_psock_stop_strp(struct sock *sk, struct sk_psock *psock)
static void sk_psock_done_strp(struct sk_psock *psock)
{
/* Parser has been stopped */
if (psock->progs.skb_parser)
if (psock->progs.stream_parser)
strp_done(&psock->strp);
}
#else
@ -1015,7 +1015,7 @@ static int sk_psock_verdict_recv(read_descriptor_t *desc, struct sk_buff *skb,
goto out;
}
skb_set_owner_r(skb, sk);
prog = READ_ONCE(psock->progs.skb_verdict);
prog = READ_ONCE(psock->progs.stream_verdict);
if (likely(prog)) {
skb_dst_drop(skb);
skb_bpf_redirect_clear(skb);