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authorTariq Toukan <tariqt@nvidia.com>2021-01-17 16:59:42 +0200
committerJakub Kicinski <kuba@kernel.org>2021-01-18 20:48:39 -0800
commit719a402cf60311b1cdff3f6320abaecdcc5e46b7 (patch)
tree564c3de3447ad501be5314a6d327143cb5c16e3d /include/linux/netdevice.h
parent41fb4c1ba7478fe34c7e094e124e4ee4513b9763 (diff)
net: netdevice: Add operation ndo_sk_get_lower_dev
ndo_sk_get_lower_dev returns the lower netdev that corresponds to a given socket. Additionally, we implement a helper netdev_sk_get_lowest_dev() to get the lowest one in chain. Signed-off-by: Tariq Toukan <tariqt@nvidia.com> Reviewed-by: Boris Pismenny <borisp@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 5b949076ed23..02dcef4d66e2 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1398,6 +1398,8 @@ struct net_device_ops {
struct net_device* (*ndo_get_xmit_slave)(struct net_device *dev,
struct sk_buff *skb,
bool all_slaves);
+ struct net_device* (*ndo_sk_get_lower_dev)(struct net_device *dev,
+ struct sock *sk);
netdev_features_t (*ndo_fix_features)(struct net_device *dev,
netdev_features_t features);
int (*ndo_set_features)(struct net_device *dev,
@@ -2858,6 +2860,8 @@ int init_dummy_netdev(struct net_device *dev);
struct net_device *netdev_get_xmit_slave(struct net_device *dev,
struct sk_buff *skb,
bool all_slaves);
+struct net_device *netdev_sk_get_lowest_dev(struct net_device *dev,
+ struct sock *sk);
struct net_device *dev_get_by_index(struct net *net, int ifindex);
struct net_device *__dev_get_by_index(struct net *net, int ifindex);
struct net_device *dev_get_by_index_rcu(struct net *net, int ifindex);