From: Christian Marangi Date: Wed, 17 Jun 2026 17:44:29 +0000 (+0200) Subject: generic: 6.18: backport netdev_from_priv() helper X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cdb3dee613d1c0aea5236e8b7cbcdfa984c80ba9;p=thirdparty%2Fopenwrt.git generic: 6.18: backport netdev_from_priv() helper Backport netdev_from_priv() helper from upstream kernel to reduce patch delta on backporting new driver and fixes from upstream kernel. Link: https://github.com/openwrt/openwrt/pull/23849 Signed-off-by: Christian Marangi --- diff --git a/target/linux/generic/backport-6.18/601-v7.1-net-add-netdev_from_priv-helper.patch b/target/linux/generic/backport-6.18/601-v7.1-net-add-netdev_from_priv-helper.patch new file mode 100644 index 00000000000..3586c3f36fb --- /dev/null +++ b/target/linux/generic/backport-6.18/601-v7.1-net-add-netdev_from_priv-helper.patch @@ -0,0 +1,35 @@ +From eb37011395f12138056a4d124159f1a8436662d3 Mon Sep 17 00:00:00 2001 +From: Qingfang Deng +Date: Fri, 20 Mar 2026 15:56:03 +0800 +Subject: [PATCH] net: add netdev_from_priv() helper + +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 +Link: https://patch.msgid.link/20260320075605.490832-1-dqfext@gmail.com +Signed-off-by: Jakub Kicinski +--- + include/linux/netdevice.h | 11 +++++++++++ + 1 file changed, 11 insertions(+) + +--- a/include/linux/netdevice.h ++++ b/include/linux/netdevice.h +@@ -2750,6 +2750,17 @@ static inline void *netdev_priv(const st + 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. + */