linux-kernel - Re: [PATCH 1/5]net: PPP buffer too small for higher speed connections

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Message-ID: <20091117172102.GH15159@caffeine.csclub.uwaterloo.ca>
Date:	Tue, 17 Nov 2009 12:21:02 -0500
From:	lsorense@...lub.uwaterloo.ca (Lennart Sorensen)
To:	fangxiaozhi 00110321 <huananhu@...wei.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, william.allen.simpson@...il.com,
	jarkao2@...il.com
Subject: Re: [PATCH 1/5]net: PPP buffer too small for higher speed
	connections

On Tue, Nov 17, 2009 at 07:59:05PM +0800, fangxiaozhi 00110321 wrote:
> From: fangxiaozhi <huananhu@...wei.com>
> 1. This patch is based on the kernel of 2.6.32-rc7 
> 2. In this patch, we enlarge the out buffer size to optimize the upload speed for the ppp connection. Then it can support the upload of HSUPA data cards.
> Signed-off-by: fangxiaozhi <huananhu@...wei.com>
> -----------------------------------------------------------------------------------------
> --- a/drivers/net/ppp_async.c	2009-10-12 05:43:56.000000000 +0800
> +++ b/drivers/net/ppp_async.c	2009-10-15 16:29:56.000000000 +0800
> @@ -36,7 +36,7 @@
>  
>  #define PPP_VERSION	"2.4.2"
>  
> -#define OBUFSIZE	256
> +#define OBUFSIZE	4096
>  
>  /* Structure for storing local state. */
>  struct asyncppp {

I don't know what an HSUPA connection is, so what kind of speed is that?
I am just wondering if this would affect ppp on other connections that
are async (in a positive manner that is).

-- 
Len Sorensen
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