From 03ace394ac9bcad38043a381ae5f4860b9c9fa1c Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Sun, 21 Aug 2005 05:36:45 -0300 Subject: [DCCP]: Fix the ACK and SEQ window variables settings This is from a first audit, more eyeballs are more than welcome. Signed-off-by: Arnaldo Carvalho de Melo Signed-off-by: David S. Miller --- net/dccp/minisocks.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'net/dccp/minisocks.c') diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c index b8e67207e97..ce5dff4ac22 100644 --- a/net/dccp/minisocks.c +++ b/net/dccp/minisocks.c @@ -146,6 +146,19 @@ out_free: newdp->dccps_iss = dreq->dreq_iss; dccp_update_gss(newsk, dreq->dreq_iss); + /* + * SWL and AWL are initially adjusted so that they are not less than + * the initial Sequence Numbers received and sent, respectively: + * SWL := max(GSR + 1 - floor(W/4), ISR), + * AWL := max(GSS - W' + 1, ISS). + * These adjustments MUST be applied only at the beginning of the + * connection. + */ + dccp_set_seqno(&newdp->dccps_swl, + max48(newdp->dccps_swl, newdp->dccps_isr)); + dccp_set_seqno(&newdp->dccps_awl, + max48(newdp->dccps_awl, newdp->dccps_iss)); + dccp_init_xmit_timers(newsk); DCCP_INC_STATS_BH(DCCP_MIB_PASSIVEOPENS); -- cgit v1.2.3