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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2005-05-19 14:03:42 +0000 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2005-05-19 14:03:42 +0000 |
| commit | 25755ef315b1529b3c68aec577195645e30a706a (patch) | |
| tree | 5c56a17e3b338ef86ba54893da43f408c9ec3514 | |
| parent | d8e4903fc844b1027e9439e7a4bd370a3815889b (diff) | |
| download | xen-25755ef315b1529b3c68aec577195645e30a706a.tar.gz xen-25755ef315b1529b3c68aec577195645e30a706a.tar.bz2 xen-25755ef315b1529b3c68aec577195645e30a706a.zip | |
bitkeeper revision 1.1159.258.139 (428c9cbe7Sc87xp33OYAeObd7e3N3g)
Do not set jumbo MTU on the fake netfront/back loopback device. It
causes packet loss at the Ethernet bridge (since bridges do not
fragment IP packets).
Signed-off-by: Keir Fraser <keir@xensource.com>
| -rw-r--r-- | linux-2.6.11-xen-sparse/drivers/xen/netback/loopback.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/linux-2.6.11-xen-sparse/drivers/xen/netback/loopback.c b/linux-2.6.11-xen-sparse/drivers/xen/netback/loopback.c index 9dffff0fc2..ebada3721a 100644 --- a/linux-2.6.11-xen-sparse/drivers/xen/netback/loopback.c +++ b/linux-2.6.11-xen-sparse/drivers/xen/netback/loopback.c @@ -94,7 +94,15 @@ static void loopback_construct(struct net_device *dev, struct net_device *lo) dev->get_stats = loopback_get_stats; dev->tx_queue_len = 0; - dev->mtu = 16*1024; + + /* + * We do not set a jumbo MTU on the interface. Otherwise the network + * stack will try to send large packets that will get dropped by the + * Ethernet bridge (unless the physical Ethernet interface is configured + * to transfer jumbo packets). If a larger MTU is desired then the system + * administrator can specify it using the 'ifconfig' command. + */ + /*dev->mtu = 16*1024;*/ } static int __init loopback_init(void) |