From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nivedita Singhvi <niv@us.ibm.com>
Subject: Re: [TCP] Fixed mss in tcp_init_cwnd
Date: Mon, 27 Sep 2004 08:36:33 -0700
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Message-ID: <41583381.9090003@us.ibm.com>
References: <20040927080828.GA12056@gondor.apana.org.au>
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Cc: "David S. Miller" <davem@davemloft.net>, netdev@oss.sgi.com
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To: Herbert Xu <herbert@gondor.apana.org.au>
In-Reply-To: <20040927080828.GA12056@gondor.apana.org.au>
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Herbert Xu wrote:
> Hi Dave:
> 
> The MSS in tcp_init_cwnd should be the real one instead of the TSO value.
> 
> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
> 
> Cheers,
> 
> 
> ------------------------------------------------------------------------
> 
> ===== net/ipv4/tcp_input.c 1.73 vs edited =====
> --- 1.73/net/ipv4/tcp_input.c	2004-09-13 10:30:58 +10:00
> +++ edited/net/ipv4/tcp_input.c	2004-09-27 17:00:32 +10:00
> @@ -799,10 +799,10 @@
>  	__u32 cwnd = (dst ? dst_metric(dst, RTAX_INITCWND) : 0);
>  
>  	if (!cwnd) {
> -		if (tp->mss_cache > 1460)
> +		if (tp->mss_cache_std > 1460)
>  			cwnd = 2;
>  		else
> -			cwnd = (tp->mss_cache > 1095) ? 3 : 4;
> +			cwnd = (tp->mss_cache_std > 1095) ? 3 : 4;
>  	}
>  	return min_t(__u32, cwnd, tp->snd_cwnd_clamp);
>  }