diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/netdevsim/netdev.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/netdevsim/netdev.c b/drivers/net/netdevsim/netdev.c index c3f3fda5fdc0..8330bc0bcb7e 100644 --- a/drivers/net/netdevsim/netdev.c +++ b/drivers/net/netdevsim/netdev.c @@ -283,6 +283,21 @@ nsim_set_features(struct net_device *dev, netdev_features_t features) return 0; } +static int nsim_get_iflink(const struct net_device *dev) +{ + struct netdevsim *nsim, *peer; + int iflink; + + nsim = netdev_priv(dev); + + rcu_read_lock(); + peer = rcu_dereference(nsim->peer); + iflink = peer ? READ_ONCE(peer->netdev->ifindex) : 0; + rcu_read_unlock(); + + return iflink; +} + static const struct net_device_ops nsim_netdev_ops = { .ndo_start_xmit = nsim_start_xmit, .ndo_set_rx_mode = nsim_set_rx_mode, @@ -300,6 +315,7 @@ static const struct net_device_ops nsim_netdev_ops = { .ndo_set_vf_rss_query_en = nsim_set_vf_rss_query_en, .ndo_setup_tc = nsim_setup_tc, .ndo_set_features = nsim_set_features, + .ndo_get_iflink = nsim_get_iflink, .ndo_bpf = nsim_bpf, }; |