* 8021q and change_mtu problem
@ 2005-01-28 14:29 Laurent Lagrange
0 siblings, 0 replies; only message in thread
From: Laurent Lagrange @ 2005-01-28 14:29 UTC (permalink / raw)
To: linuxppc-embedded
Hello,
I have tried to use the "change_mtu" function with a 8021q network device.
I have compare this function with an other one define for ethernet devices
in /drivers/net/net_init.c.
These functions always return -EINVAL when the new mtu value is invalid.
But for a valid mtu value the first one returns the new value and the second
one returns 0.
I use a linux 2.6.9 kernel from kernel.org.
I have tried this very simple patch and the function works fine.
--- net/8021q/vlan_dev.c Fri Jan 28 15:07:58 2005
+++ net/8021q/vlan_dev.c Fri Jan 28 15:12:12 2005
@@ -527,7 +527,7 @@
dev->mtu = new_mtu;
- return new_mtu;
+ return 0;
Laurent
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2005-01-28 14:29 8021q and change_mtu problem Laurent Lagrange
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