[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: Andrea Bittau <a.bittau@cs.ucl.ac.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -678,9 +678,12 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
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int seqcount = ccid2_seq_len;
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int seqcount = ccid2_seq_len;
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int i;
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int i;
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/* XXX init variables with proper values */
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hctx->ccid2hctx_cwnd = 1;
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hctx->ccid2hctx_cwnd = 1;
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hctx->ccid2hctx_ssthresh = 10;
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/* Initialize ssthresh to infinity. This means that we will exit the
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* initial slow-start after the first packet loss. This is what we
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* want.
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*/
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hctx->ccid2hctx_ssthresh = ~0;
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hctx->ccid2hctx_numdupack = 3;
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hctx->ccid2hctx_numdupack = 3;
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/* XXX init ~ to window size... */
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/* XXX init ~ to window size... */
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@ -50,7 +50,7 @@ struct ccid2_hc_tx_sock {
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int ccid2hctx_cwnd;
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int ccid2hctx_cwnd;
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int ccid2hctx_ssacks;
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int ccid2hctx_ssacks;
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int ccid2hctx_acks;
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int ccid2hctx_acks;
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int ccid2hctx_ssthresh;
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unsigned int ccid2hctx_ssthresh;
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int ccid2hctx_pipe;
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int ccid2hctx_pipe;
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int ccid2hctx_numdupack;
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int ccid2hctx_numdupack;
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struct ccid2_seq *ccid2hctx_seqbuf;
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struct ccid2_seq *ccid2hctx_seqbuf;
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