Commit d458c25c authored by Andrea Bittau's avatar Andrea Bittau Committed by David S. Miller

[DCCP] CCID2: Initialize ssthresh to infinity

Initialize the slow-start threshold to infinity.  This way, upon connection
initiation, slow-start will be exited only upon a packet loss.  This patch will
allow connections to quickly gain speed.
Signed-off-by: default avatarAndrea Bittau <a.bittau@cs.ucl.ac.uk>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 29651cda
......@@ -678,9 +678,12 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
int seqcount = ccid2_seq_len;
int i;
/* XXX init variables with proper values */
hctx->ccid2hctx_cwnd = 1;
hctx->ccid2hctx_ssthresh = 10;
/* Initialize ssthresh to infinity. This means that we will exit the
* initial slow-start after the first packet loss. This is what we
* want.
*/
hctx->ccid2hctx_ssthresh = ~0;
hctx->ccid2hctx_numdupack = 3;
/* XXX init ~ to window size... */
......
......@@ -50,7 +50,7 @@ struct ccid2_hc_tx_sock {
int ccid2hctx_cwnd;
int ccid2hctx_ssacks;
int ccid2hctx_acks;
int ccid2hctx_ssthresh;
unsigned int ccid2hctx_ssthresh;
int ccid2hctx_pipe;
int ccid2hctx_numdupack;
struct ccid2_seq *ccid2hctx_seqbuf;
......
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