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| author | ps <ps@FreeBSD.org> | 2005-06-04 08:03:28 +0000 |
|---|---|---|
| committer | ps <ps@FreeBSD.org> | 2005-06-04 08:03:28 +0000 |
| commit | c6eb61a11ea3adf61348b7d21f3f7330e0bf52c3 (patch) | |
| tree | afc88438ba993df2ee2f16ff2f749cc3da8fae18 /sys/netinet/tcp_var.h | |
| parent | ef107219f8af88448cd689ba7f9f7de2891105f5 (diff) | |
| download | FreeBSD-src-c6eb61a11ea3adf61348b7d21f3f7330e0bf52c3.zip FreeBSD-src-c6eb61a11ea3adf61348b7d21f3f7330e0bf52c3.tar.gz | |
Changes to tcp_sack_option() that
- Walks the scoreboard backwards from the tail to reduce the number of
comparisons for each sack option received.
- Introduce functions to add/remove sack scoreboard elements, making
the code more readable.
Submitted by: Noritoshi Demizu
Reviewed by: Raja Mukerji, Mohan Srinivasan
Diffstat (limited to 'sys/netinet/tcp_var.h')
| -rw-r--r-- | sys/netinet/tcp_var.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h index 108c1a6..d2f34ea 100644 --- a/sys/netinet/tcp_var.h +++ b/sys/netinet/tcp_var.h @@ -191,7 +191,8 @@ struct tcpcb { /* SACK related state */ int sack_enable; /* enable SACK for this connection */ int snd_numholes; /* number of holes seen by sender */ - TAILQ_HEAD(, sackhole) snd_holes; /* SACK scoreboard (sorted) */ + TAILQ_HEAD(sackhole_head, sackhole) snd_holes; + /* SACK scoreboard (sorted) */ tcp_seq snd_fack; /* last seq number(+1) sack'd by rcv'r*/ int rcv_numsacks; /* # distinct sack blks present */ struct sackblk sackblks[MAX_SACK_BLKS]; /* seq nos. of sack blocks */ |
