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net: add netdev_from_priv() helper

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Add a helper to get netdev from private data pointer, so drivers won't
have to store redundant netdev in priv.

Signed-off-by: Qingfang Deng <dqfext@gmail.com>
Link: https://patch.msgid.link/20260320075605.490832-1-dqfext@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Qingfang Deng 2026-03-20 15:56:03 +08:00 committed by Jakub Kicinski
parent 0e10381626
commit eb37011395
1 changed files with 11 additions and 0 deletions
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11
include/linux/netdevice.h
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@ -2765,6 +2765,17 @@ static inline void *netdev_priv(const struct net_device *dev)
return (void *)dev->priv;
}
/**
* netdev_from_priv() - get network device from priv
* @priv: network device private data
*
* Returns: net_device to which @priv belongs
*/
static inline struct net_device *netdev_from_priv(const void *priv)
{
return container_of(priv, struct net_device, priv);
}
/* Set the sysfs physical device reference for the network logical device
* if set prior to registration will cause a symlink during initialization.
*/