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authorSabrina Dubroca <sd@queasysnail.net>2017-07-21 12:49:28 +0200
committerDavid S. Miller <davem@davemloft.net>2017-07-24 13:52:59 -0700
commitd764a122cc7af7ab1c40c08745f0fcd33cc2f7db (patch)
tree97ec50d56f42f47e6d46e670243c9b0c683a7443 /net
parent5b861f6baa3a22a48d7a4ad0ce38a223d36c978a (diff)
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.c6
-rw-r--r--net/core/ethtool.c1
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