Re: bad TSO performance in 2.6.9-rc2-BK
From: "David S. Miller" <davem@davemloft.net>
Date: 2004-09-27 19:01:54
From: "David S. Miller" <davem@davemloft.net>
Date: 2004-09-27 19:01:54
On Mon, 27 Sep 2004 15:45:41 +1000 Herbert Xu [off-list ref] wrote:
On Sun, Sep 26, 2004 at 09:00:29PM -0700, David S. Miller wrote:quoted
The very next time we check to see if we can make forward progress on the send queue we'll call tcp_current_mss() which causes the right things to happen.tcp_current_mss() doesn't call tcp_sync_mss() unless the PMTU changes.
Good catch, probably we should make it do so when sk_route_caps indicates we are doing TSO.