>From fce9f2d3a91abe2df8676cd709b72c7a2c7670ed Mon Sep 17 00:00:00 2001
From: Eli Cohen <[EMAIL PROTECTED]>
Date: Tue, 1 Jul 2008 08:54:39 +0300
Subject: [PATCH] IB/ipoib: set max CM MTU when moving to CM mode
This will relieve the user from the need to restore CM mode MTU
every time he switchs from UD to CM mode. With the current code,
if the user fails to reset the MTU to a decent higher value, he
will get poor performance.
Signed-off-by: Eli Cohen <[EMAIL PROTECTED]>
---
drivers/infiniband/ulp/ipoib/ipoib_cm.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 82f3f2f..1ad8ef6 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -1404,6 +1404,7 @@ static ssize_t set_mode(struct device *d, struct
device_attribute *attr,
dev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_SG | NETIF_F_TSO);
priv->tx_wr.send_flags &= ~IB_SEND_IP_CSUM;
+ dev_set_mtu(dev, ipoib_cm_max_mtu(dev));
ipoib_flush_paths(dev);
return count;
}
--
1.5.6
_______________________________________________
ewg mailing list
ewg@lists.openfabrics.org
http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ewg
