| To: | Jeff Garzik <jgarzik@xxxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH 1/2] r8169: Jumbo Frames mini-increase |
| From: | Jon Mason <jdmason@xxxxxxxxxx> |
| Date: | Mon, 28 Feb 2005 14:56:24 -0600 |
| Cc: | Francois Romieu <romieu@xxxxxxxxxxxxx>, netdev@xxxxxxxxxxx |
| In-reply-to: | <42237CDC.4060408@xxxxxxxxx> |
| Organization: | IBM |
| References: | <4220ADA6.2040506@xxxxxxxxxxxxxxxxxxxx> <20050228193204.GA8186@xxxxxxxxxxxxxxxxxxxxxxxxxx> <42237CDC.4060408@xxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | KMail/1.7.2 |
On Monday 28 February 2005 02:19 pm, Jeff Garzik wrote: > Random comment. > > I think it's terribly cute that the max packet size is 8169. Why not > represent that in decimal, as opposed to hexidecimal? > > Jeff It actually random that it is 8169. Jumbo Frames MTU in r8169 is dependent on the rx_buf_sz. In the 8169 case, the rx_buf_sz is actually 8191 - (ETH_HDR + VLAN_HDR + CRC). Any rx_buf_sz > 8191 is split up into multiple descriptors, which is proving to be a bit tricky. -- Jon Mason jdmason@xxxxxxxxxx |
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