| To: | Donald Becker <becker@xxxxxxxxx> |
|---|---|
| Subject: | Re: copybreak and gige network drivers |
| From: | Chris Friesen <cfriesen@xxxxxxxxxxxxxxxxxx> |
| Date: | Tue, 30 Sep 2003 10:39:11 -0400 |
| Cc: | davem@xxxxxxxxxx, netdev@xxxxxxxxxxx |
| References: | <Pine.LNX.4.44.0309291834330.2166-100000@xxxxxxxxxxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.8) Gecko/20020204 |
Donald Becker wrote: The decision point is pretty much break-even in the range of 150-400 bytes, and most packets are either smaller or much larger, so just pick a likely value. I tried to look at the bin sizes for the skbuff allocator, but you'll find that the overhead changes faster than you can possibly track. Okay, will do. Thanks for the excellent explanation. Chris -- Chris Friesen | MailStop: 043/33/F10 Nortel Networks | work: (613) 765-0557 3500 Carling Avenue | fax: (613) 765-2986 Nepean, ON K2H 8E9 Canada | email: cfriesen@xxxxxxxxxxxxxxxxxx |
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