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net: provide a default dev->ethtool_ops

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Instead of forcing device drivers to provide empty ethtool_ops or tweak
net/core/ethtool.c again, we could provide a generic ethtool_ops.

This occurred to me when I wanted to add GSO support to GRE tunnels.
ethtool -k support should be generic for all drivers.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ben Hutchings <bhutchings@solarflare.com>
Cc: Maciej Żenczykowski <maze@google.com>
Reviewed-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2012-09-16 09:17:26 +00:00
committed by David S. Miller
parent 828de4f6bf
commit 2c60db0370
2 changed files with 4 additions and 12 deletions
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4
net/core/dev.c
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@@ -5974,6 +5974,8 @@ struct netdev_queue *dev_ingress_queue_create(struct net_device *dev)
return queue;
}
static const struct ethtool_ops default_ethtool_ops;
/**
* alloc_netdev_mqs - allocate network device
* @sizeof_priv: size of private data to allocate space for
@@ -6061,6 +6063,8 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
strcpy(dev->name, name);
dev->group = INIT_NETDEV_GROUP;
if (!dev->ethtool_ops)
dev->ethtool_ops = &default_ethtool_ops;
return dev;
free_all: