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| author | Sabrina Dubroca <sd@queasysnail.net> | 2017-07-21 12:49:28 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-24 22:52:59 +0200 |
| commit | d764a122cc7af7ab1c40c08745f0fcd33cc2f7db (patch) | |
| tree | 97ec50d56f42f47e6d46e670243c9b0c683a7443 /net | |
| parent | geneve: add rtnl changelink support (diff) | |
| download | linux-d764a122cc7af7ab1c40c08745f0fcd33cc2f7db.tar.xz linux-d764a122cc7af7ab1c40c08745f0fcd33cc2f7db.zip | |
net: add new netdevice feature for offload of RX port for UDP tunnels
This adds a new netdevice feature, so that the offloading of RX port for
UDP tunnels can be disabled by the administrator on some netdevices,
using the "rx-udp_tunnel-port-offload" feature in ethtool.
This feature is set for all devices that provide ndo_udp_tunnel_add.
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/core/dev.c | 6 | ||||
| -rw-r--r-- | net/core/ethtool.c | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 509af6ce8831..9081134adc0d 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -7530,6 +7530,12 @@ int register_netdevice(struct net_device *dev) */ dev->hw_features |= NETIF_F_SOFT_FEATURES; dev->features |= NETIF_F_SOFT_FEATURES; + + if (dev->netdev_ops->ndo_udp_tunnel_add) { + dev->features |= NETIF_F_RX_UDP_TUNNEL_PORT; + dev->hw_features |= NETIF_F_RX_UDP_TUNNEL_PORT; + } + dev->wanted_features = dev->features & dev->hw_features; if (!(dev->flags & IFF_LOOPBACK)) diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 78408ab77a10..b987bc475fc8 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -105,6 +105,7 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN] [NETIF_F_HW_TC_BIT] = "hw-tc-offload", [NETIF_F_HW_ESP_BIT] = "esp-hw-offload", [NETIF_F_HW_ESP_TX_CSUM_BIT] = "esp-tx-csum-hw-offload", + [NETIF_F_RX_UDP_TUNNEL_PORT_BIT] = "rx-udp_tunnel-port-offload", }; static const char |