You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.8 KiB
54 lines
1.8 KiB
Subject: [PATCH] keep track of network interface renaming
|
|
From: Olaf Hering <olh@suse.de>
|
|
Patch-mainline: not yet
|
|
|
|
Keep track about which network interface names were renamed after the
|
|
network device driver printed its banner. Example insanity:
|
|
|
|
honeydew:~ # dmesg| grep -Ew '(eth[0-9]|rename|renamed)'
|
|
e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
|
|
e1000: eth1: e1000_probe: Intel(R) PRO/1000 Network Connection
|
|
e1000: eth2: e1000_probe: Intel(R) PRO/1000 Network Connection
|
|
e1000: eth3: e1000_probe: Intel(R) PRO/1000 Network Connection
|
|
dev_change_name: about to rename 'eth3' to 'eth0'
|
|
dev_change_name: about to rename 'eth3' to 'ethxx3'
|
|
eth3 renamed to ethxx3
|
|
dev_change_name: about to rename 'ethxx3' to 'eth0'
|
|
dev_change_name: about to rename 'eth0' to 'eth3'
|
|
eth0 renamed to eth3
|
|
dev_change_name: about to rename 'eth1' to 'eth2'
|
|
dev_change_name: about to rename 'eth1' to 'ethxx1'
|
|
eth1 renamed to ethxx1
|
|
dev_change_name: about to rename 'ethxx1' to 'eth2'
|
|
dev_change_name: about to rename 'eth2' to 'eth1'
|
|
eth2 renamed to eth1
|
|
dev_change_name: about to rename 'ethxx3' to 'eth0'
|
|
ethxx3 renamed to eth0
|
|
dev_change_name: about to rename 'ethxx1' to 'eth2'
|
|
ethxx1 renamed to eth2
|
|
e1000: eth0: e1000_watchdog_task: NIC Link is Up 100 Mbps Full Duplex
|
|
|
|
|
|
|
|
Signed-off-by: Olaf Hering <olh@suse.de>
|
|
|
|
net/core/dev.c | 6 +++++-
|
|
1 file changed, 5 insertions(+), 1 deletion(-)
|
|
|
|
--- a/net/core/dev.c
|
|
+++ b/net/core/dev.c
|
|
@@ -962,8 +962,12 @@ static int dev_get_valid_name(struct net
|
|
return dev_alloc_name(dev, name);
|
|
else if (__dev_get_by_name(net, name))
|
|
return -EEXIST;
|
|
- else if (dev->name != name)
|
|
+ else if (dev->name != name) {
|
|
+ if (strncmp(name, dev->name, IFNAMSIZ))
|
|
+ printk(KERN_INFO "%s renamed to %s by %s [%u]\n",
|
|
+ dev->name, name, current->comm, current->pid);
|
|
strlcpy(dev->name, name, IFNAMSIZ);
|
|
+ }
|
|
|
|
return 0;
|
|
}
|