On Fri, 30 Jun 2017 15:19:45 +0200, Sabrina Dubroca wrote:
> This adds a new netdevice feature, so that tunnel offloading can be
> disabled by the administrator on some netdevices, using the
> "tunnel-offload" ethtool feature.
>
> This feature is set for all devices that provide ndo_udp_tunnel_add.
This patchset looks great, Sabrina! A few comments below.
> --- a/include/linux/netdev_features.h
> +++ b/include/linux/netdev_features.h
> @@ -76,6 +76,7 @@ enum {
> NETIF_F_HW_TC_BIT, /* Offload TC infrastructure */
> NETIF_F_HW_ESP_BIT, /* Hardware ESP transformation offload
> */
> NETIF_F_HW_ESP_TX_CSUM_BIT, /* ESP with TX checksum offload */
> + NETIF_F_TUNNEL_OFFLOAD_BIT, /* Tunnel offloads */
"Tunnel offload" is very broad. Could we be more specific, e.g. "RSS
tunnel offload" or such? NETIF_F_HW_TUNNEL_RSS?
> --- a/net/core/ethtool.c
> +++ b/net/core/ethtool.c
> @@ -106,6 +106,7 @@ 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_TUNNEL_OFFLOAD_BIT] = "tunnel-offload",
> };
And here, too. "rss-tunnel-offload"?
Thanks!
Jiri