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| author | Vlad Yasevich <vladislav.yasevich@hp.com> | 2008-10-08 23:19:01 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-10-08 23:19:01 +0200 |
| commit | 02015180e2509afd2e3fe3790a333b30708a116b (patch) | |
| tree | d2d92b62758f01375602cd7e44cb9ffbb3e44d59 /net/sctp/tsnmap.c | |
| parent | sctp: Rework the tsn map to use generic bitmap. (diff) | |
| download | linux-02015180e2509afd2e3fe3790a333b30708a116b.tar.xz linux-02015180e2509afd2e3fe3790a333b30708a116b.zip | |
sctp: shrink sctp_tsnmap some more by removing gabs array
The gabs array in the sctp_tsnmap structure is only used
in one place, sctp_make_sack(). As such, carrying the
array around in the sctp_tsnmap and thus directly in
the sctp_association is rather pointless since most
of the time it's just taking up space. Now, let
sctp_make_sack create and populate it and then throw
it away when it's done.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/tsnmap.c')
| -rw-r--r-- | net/sctp/tsnmap.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/net/sctp/tsnmap.c b/net/sctp/tsnmap.c index 142ed7ca424d..35c73e82553a 100644 --- a/net/sctp/tsnmap.c +++ b/net/sctp/tsnmap.c @@ -335,10 +335,11 @@ void sctp_tsnmap_renege(struct sctp_tsnmap *map, __u32 tsn) } /* How many gap ack blocks do we have recorded? */ -__u16 sctp_tsnmap_num_gabs(struct sctp_tsnmap *map) +__u16 sctp_tsnmap_num_gabs(struct sctp_tsnmap *map, + struct sctp_gap_ack_block *gabs) { struct sctp_tsnmap_iter iter; - int gabs = 0; + int ngaps = 0; /* Refresh the gap ack information. */ if (sctp_tsnmap_has_gap(map)) { @@ -348,14 +349,14 @@ __u16 sctp_tsnmap_num_gabs(struct sctp_tsnmap *map) &start, &end)) { - map->gabs[gabs].start = htons(start); - map->gabs[gabs].end = htons(end); - gabs++; - if (gabs >= SCTP_MAX_GABS) + gabs[ngaps].start = htons(start); + gabs[ngaps].end = htons(end); + ngaps++; + if (ngaps >= SCTP_MAX_GABS) break; } } - return gabs; + return ngaps; } static int sctp_tsnmap_grow(struct sctp_tsnmap *map, u16 gap) |