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| author | Arnaldo Carvalho de Melo <acme@mandriva.com> | 2005-08-21 05:36:45 -0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2005-08-29 16:03:42 -0700 |
| commit | 03ace394ac9bcad38043a381ae5f4860b9c9fa1c (patch) | |
| tree | bbe5f7fc56074224ded47113974dbc3db550b303 /net/dccp/ipv4.c | |
| parent | a3054d48b9b9d6290eccc9fc09c286ef450d9b1d (diff) | |
| download | blackbird-op-linux-03ace394ac9bcad38043a381ae5f4860b9c9fa1c.tar.gz blackbird-op-linux-03ace394ac9bcad38043a381ae5f4860b9c9fa1c.zip | |
[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 <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dccp/ipv4.c')
| -rw-r--r-- | net/dccp/ipv4.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index 02ebf1f39f38..647e669a1266 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -309,6 +309,16 @@ static int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, usin->sin_port); dccp_update_gss(sk, dp->dccps_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(&dp->dccps_awl, max48(dp->dccps_awl, dp->dccps_iss)); + inet->id = dp->dccps_iss ^ jiffies; err = dccp_connect(sk); |
