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tcp: new helper tcp_rack_skb_timeout

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Create and export a new helper tcp_rack_skb_timeout and move tcp_is_rack
to prepare the final RTO change.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Soheil Hassas Yeganeh <soheil@google.com>
Reviewed-by: Priyaranjan Jha <priyarjha@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuchung Cheng
2018-05-16 16:40:16 -07:00
committed by David S. Miller
parent c77d62ffae
commit b8fef65a8a
3 changed files with 14 additions and 7 deletions
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2
include/net/tcp.h
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@@ -1879,6 +1879,8 @@ void tcp_init(void);
/* tcp_recovery.c */
void tcp_mark_skb_lost(struct sock *sk, struct sk_buff *skb);
void tcp_newreno_mark_lost(struct sock *sk, bool snd_una_advanced);
extern s32 tcp_rack_skb_timeout(struct tcp_sock *tp, struct sk_buff *skb,
u32 reo_wnd);
extern void tcp_rack_mark_lost(struct sock *sk);
extern void tcp_rack_advance(struct tcp_sock *tp, u8 sacked, u32 end_seq,
u64 xmit_time);