| To: | "David S. Miller" <davem@xxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: bad TSO performance in 2.6.9-rc2-BK |
| From: | Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> |
| Date: | Thu, 30 Sep 2004 10:10:07 +1000 |
| Cc: | John Heffner <jheffner@xxxxxxx>, ak@xxxxxxx, niv@xxxxxxxxxx, andy.grover@xxxxxxxxx, anton@xxxxxxxxx, netdev@xxxxxxxxxxx |
| In-reply-to: | <20040929170310.46c58095.davem@xxxxxxxxxxxxx> |
| References: | <20040929162923.796d142e.davem@xxxxxxxxxxxxx> <Pine.NEB.4.33.0409291945100.3434-100000@xxxxxxxxxxxxxx> <20040929170310.46c58095.davem@xxxxxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.5.6+20040722i |
On Wed, Sep 29, 2004 at 05:03:10PM -0700, David S. Miller wrote: > > I think there are some other things we can do to make TSO work > even better. We turn off TSO currently when we get SACKs, that Great. This way we can also fix the fack_count in tcp_sacktag_write_queue(). Currently it always counts tso_factor packets even though the sack may only cover part of the TSO packet. Cheers, -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt |
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