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Message-ID: <f6d9db1c-bde2-4704-a3cf-69e84a5a6fd3@lunn.ch>
Date: Fri, 5 Apr 2024 16:12:50 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Alexander Lobakin <aleksander.lobakin@...el.com>
Cc: "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
David Ahern <dsahern@...nel.org>,
Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
nex.sw.ncis.osdt.itp.upstreaming@...el.com, netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC net-next 1/7] netdev_features: remove unused
__UNUSED_NETIF_F_1
On Fri, Apr 05, 2024 at 03:37:25PM +0200, Alexander Lobakin wrote:
> NETIF_F_NO_CSUM was removed in 3.2-rc2 by commit 34324dc2bf27
> ("net: remove NETIF_F_NO_CSUM feature bit") and became
> __UNUSED_NETIF_F_1. It's not used anywhere in the code.
> Remove this bit waste.
>
> Signed-off-by: Alexander Lobakin <aleksander.lobakin@...el.com>
> ---
> include/linux/netdev_features.h | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h
> index 7c2d77d75a88..44c428d62db4 100644
> --- a/include/linux/netdev_features.h
> +++ b/include/linux/netdev_features.h
> @@ -14,7 +14,6 @@ typedef u64 netdev_features_t;
> enum {
> NETIF_F_SG_BIT, /* Scatter/gather IO. */
> NETIF_F_IP_CSUM_BIT, /* Can checksum TCP/UDP over IPv4. */
> - __UNUSED_NETIF_F_1,
> NETIF_F_HW_CSUM_BIT, /* Can checksum all the packets. */
> NETIF_F_IPV6_CSUM_BIT, /* Can checksum TCP/UDP over IPV6 */
> NETIF_F_HIGHDMA_BIT, /* Can DMA to high memory. */
Are you sure this enum is not ABI?
It would be good to add an explanation why it is not ABI to the cover
letter.
Andrew
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