From: Eli Cohen Date: Tue, 15 Jul 2008 06:48:52 +0000 (-0700) Subject: IPoIB: Double default RX/TX ring sizes X-Git-Tag: v2.6.27-rc1~1090^2~9 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bc3a290b51aaefc6a6af2d6e6d52ed32387c416c;p=pandora-kernel.git IPoIB: Double default RX/TX ring sizes Increase IPoIB ring sizes to twice their original sizes (RX: 128->256, TX: 64->128) to act as a shock absorber for high traffic peaks. With the current settings, we have seen cases that there are many calls to netif_stop_queue(), which causes degradation in throughput. Also, larger receive buffer sizes help IPoIB in CM mode to avoid experiencing RNR NAK conditions due to insufficient receive buffers at the SRQ. Signed-off-by: Eli Cohen Signed-off-by: Roland Dreier --- Reading git-diff-tree failed