netdev - Re: [RFC PATCH 6/9] ethtool: Add support for toggling any of the GSO offloads

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Date:	Sat, 19 Mar 2016 00:18:04 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Alexander Duyck <aduyck@...antis.com>, ecree@...arflare.com,
	netdev@...r.kernel.org, davem@...emloft.net,
	alexander.duyck@...il.com, tom@...bertland.com
Subject: Re: [RFC PATCH 6/9] ethtool: Add support for toggling any of the
 GSO offloads

On Fri, 2016-03-18 at 16:25 -0700, Alexander Duyck wrote:

> The strings were missing for several of the GSO offloads that are
> available.  This patch provides the missing strings so that we can toggle
> or query any of them via the ethtool command.
> 
> Signed-off-by: Alexander Duyck <aduyck@...antis.com>
> ---
>  net/core/ethtool.c |    3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/net/core/ethtool.c b/net/core/ethtool.c
> index 2966cd0d7c93..b3c39d531469 100644
> --- a/net/core/ethtool.c
> +++ b/net/core/ethtool.c
> @@ -82,9 +82,12 @@ static const char netdev_features_strings[NETDEV_FEATURE_COUNT][ETH_GSTRING_LEN]
>  	[NETIF_F_TSO6_BIT] =             "tx-tcp6-segmentation",
>  	[NETIF_F_FSO_BIT] =              "tx-fcoe-segmentation",
>  	[NETIF_F_GSO_GRE_BIT] =		 "tx-gre-segmentation",
> +	[NETIF_F_GSO_GRE_CSUM_BIT] =	 "tx-gre-csum-segmentation",

All of the existing checksum offload names include the word "checksum"
in full, so I think the new names should do the same.

>  	[NETIF_F_GSO_IPIP_BIT] =	 "tx-ipip-segmentation",
>  	[NETIF_F_GSO_SIT_BIT] =		 "tx-sit-segmentation",
>  	[NETIF_F_GSO_UDP_TUNNEL_BIT] =	 "tx-udp_tnl-segmentation",
> +	[NETIF_F_GSO_UDP_TUNNEL_CSUM_BIT] = "tx-udp_tnl-csum-segmentation",
> +	[NETIF_F_GSO_TUNNEL_REMCSUM_BIT] = "tx-remcsum-segmentation",

I think this should be "tx-tunnel-remote-checksum-segmentation", though
that is getting quite unwieldy.

Ben.

>  	[NETIF_F_FCOE_CRC_BIT] =         "tx-checksum-fcoe-crc",
>  	[NETIF_F_SCTP_CRC_BIT] =        "tx-checksum-sctp",
> 
-- 
Ben Hutchings
To err is human; to really foul things up requires a computer.
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