From mboxrd@z Thu Jan 1 00:00:00 1970 From: erik quanstrom Date: Tue, 23 Feb 2016 07:18:33 -0800 To: 9fans@9fans.net Message-ID: <73f3817e561c11dd40002ef87c5c5285@lilly.quanstro.net> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] rtl8169 gbe slow Topicbox-Message-UUID: 88e9dbf2-ead9-11e9-9d60-3106f5b1d025 On Tue Feb 23 04:32:50 PST 2016, 23hiro@gmail.com wrote: > erik: I don't think nowadays we need to limit rwin unless we > artificially want to reduce the bandwidth (e.g. in my torrent program, > or an rsync that's running in the background and shouldn't use up the > whole bandwidth of the slow DSL uplink). > in the past it seems to have been used to combat memory limitations of > the receiver. but nowadays we have enough memory, so in normal > operation rwin should always be fully open. we're not. we're advertizing 65535<<4, as noted earlier. - erik