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tcp: expose the tcp_mark_push() and tcp_skb_entail() helpers

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the tcp_skb_entail() helper is actually skb_entail(), renamed
to provide proper scope.

    The two helper will be used by the next patch.

RFC -> v1:
 - rename skb_entail to tcp_skb_entail (Eric)

Acked-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paolo Abeni 2021-09-22 19:26:40 +02:00 committed by David S. Miller
parent efe686ffce
commit 04d8825c30
2 changed files with 6 additions and 4 deletions
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2
include/net/tcp.h
View File

@ -581,6 +581,8 @@ __u32 cookie_v6_init_sequence(const struct sk_buff *skb, __u16 *mss);
#endif
/* tcp_output.c */
void tcp_skb_entail(struct sock *sk, struct sk_buff *skb);
void tcp_mark_push(struct tcp_sock *tp, struct sk_buff *skb);
void __tcp_push_pending_frames(struct sock *sk, unsigned int cur_mss,
int nonagle);
int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb, int segs);

8
net/ipv4/tcp.c
View File

@ -647,7 +647,7 @@ int tcp_ioctl(struct sock *sk, int cmd, unsigned long arg)
}
EXPORT_SYMBOL(tcp_ioctl);
static inline void tcp_mark_push(struct tcp_sock *tp, struct sk_buff *skb)
void tcp_mark_push(struct tcp_sock *tp, struct sk_buff *skb)
{
TCP_SKB_CB(skb)->tcp_flags |= TCPHDR_PSH;
tp->pushed_seq = tp->write_seq;
@ -658,7 +658,7 @@ static inline bool forced_push(const struct tcp_sock *tp)
return after(tp->write_seq, tp->pushed_seq + (tp->max_window >> 1));
}
static void skb_entail(struct sock *sk, struct sk_buff *skb)
void tcp_skb_entail(struct sock *sk, struct sk_buff *skb)
{
struct tcp_sock *tp = tcp_sk(sk);
struct tcp_skb_cb *tcb = TCP_SKB_CB(skb);
@ -985,7 +985,7 @@ struct sk_buff *tcp_build_frag(struct sock *sk, int size_goal, int flags,
#ifdef CONFIG_TLS_DEVICE
skb->decrypted = !!(flags & MSG_SENDPAGE_DECRYPTED);
#endif
skb_entail(sk, skb);
tcp_skb_entail(sk, skb);
copy = size_goal;
}
@ -1314,7 +1314,7 @@ int tcp_sendmsg_locked(struct sock *sk, struct msghdr *msg, size_t size)
process_backlog++;
skb->ip_summed = CHECKSUM_PARTIAL;
skb_entail(sk, skb);
tcp_skb_entail(sk, skb);
copy = size_goal;
/* All packets are restored as if they have