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tcp: add helper for counter tweaking due mid-wq change

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We need full-scale adjustment to fix a TCP miscount in the next
patch, so just move it into a helper and call for that from the
other places.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ilpo Järvinen
2009-04-01 23:15:17 +00:00
committed by David S. Miller
parent 0de8ca597d
commit 797108d134
2 changed files with 34 additions and 47 deletions
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15
include/net/tcp.h
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@@ -616,21 +616,6 @@ static inline int tcp_skb_mss(const struct sk_buff *skb)
return skb_shinfo(skb)->gso_size;
}
static inline void tcp_dec_pcount_approx_int(__u32 *count, const int decr)
{
if (*count) {
*count -= decr;
if ((int)*count < 0)
*count = 0;
}
}
static inline void tcp_dec_pcount_approx(__u32 *count,
const struct sk_buff *skb)
{
tcp_dec_pcount_approx_int(count, tcp_skb_pcount(skb));
}
/* Events passed to congestion control interface */
enum tcp_ca_event {
CA_EVENT_TX_START, /* first transmit when no packets in flight */