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net, team, bonding: Add netdev_base_features helper

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[ Upstream commit d2516c3a53705f783bb6868df0f4a2b977898a71 ]

Both bonding and team driver have logic to derive the base feature
flags before iterating over their slave devices to refine the set
via netdev_increment_features().

Add a small helper netdev_base_features() so this can be reused
instead of having it open-coded multiple times.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: Nikolay Aleksandrov <razor@blackwall.org>
Cc: Ido Schimmel <idosch@idosch.org>
Cc: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/20241210141245.327886-1-daniel@iogearbox.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Stable-dep-of: d064ea7fe2a2 ("bonding: Fix initial {vlan,mpls}_feature set in bond_compute_features")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Daniel Borkmann
2024-12-10 15:12:41 +01:00
committed by Greg Kroah-Hartman
parent 356078a5c5
commit 4b8fd0751a
3 changed files with 9 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/linux/netdev_features.h
+7
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@@ -253,4 +253,11 @@ static inline int find_next_netdev_feature(u64 feature, unsigned long start)
NETIF_F_GSO_UDP_TUNNEL | \
NETIF_F_GSO_UDP_TUNNEL_CSUM)
static inline netdev_features_t netdev_base_features(netdev_features_t features)
{
features &= ~NETIF_F_ONE_FOR_ALL;
features |= NETIF_F_ALL_FOR_ALL;
return features;
}
#endif /* _LINUX_NETDEV_FEATURES_H */