netdev - Re: [PATCH net-next v5 08/12] net: vxlan: use kfree_skb_reason() in vxlan

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Message-ID: <20241008122845.GK32733@kernel.org>
Date: Tue, 8 Oct 2024 13:28:45 +0100
From: Simon Horman <horms@...nel.org>
To: Menglong Dong <menglong8.dong@...il.com>
Cc: idosch@...dia.com, kuba@...nel.org, aleksander.lobakin@...el.com,
	davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
	dsahern@...nel.org, dongml2@...natelecom.cn, amcohen@...dia.com,
	gnault@...hat.com, bpoirier@...dia.com, b.galvani@...il.com,
	razor@...ckwall.org, petrm@...dia.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next v5 08/12] net: vxlan: use kfree_skb_reason() in
 vxlan_xmit()

On Sun, Oct 06, 2024 at 02:56:12PM +0800, Menglong Dong wrote:
> Replace kfree_skb() with kfree_skb_reason() in vxlan_xmit(). Following
> new skb drop reasons are introduced for vxlan:
> 
> /* no remote found for xmit */
> SKB_DROP_REASON_VXLAN_NO_REMOTE
> /* packet without necessary metatdata reached a device is in "eternal"
>  * mode.
>  */
> SKB_DROP_REASON_TUNNEL_TXINFO

nit: metadata

     Flagged by checkpatch.pl --codespell

> 
> Signed-off-by: Menglong Dong <dongml2@...natelecom.cn>
> Reviewed-by: Simon Horman <horms@...nel.org>

...

> diff --git a/include/net/dropreason-core.h b/include/net/dropreason-core.h

...

> @@ -439,11 +441,17 @@ enum skb_drop_reason {
>  	 * entry or an entry pointing to a nexthop.
>  	 */
>  	SKB_DROP_REASON_VXLAN_ENTRY_EXISTS,
> +	/** @SKB_DROP_REASON_VXLAN_NO_REMOTE: no remote found for xmit */
> +	SKB_DROP_REASON_VXLAN_NO_REMOTE,
>  	/**
>  	 * @SKB_DROP_REASON_IP_TUNNEL_ECN: skb is dropped according to
>  	 * RFC 6040 4.2, see __INET_ECN_decapsulate() for detail.
>  	 */
>  	SKB_DROP_REASON_IP_TUNNEL_ECN,
> +	/** @SKB_DROP_REASON_TUNNEL_TXINFO: packet without necessary metatdata
> +	 * reached a device is in "eternal" mode.
> +	 */
> +	SKB_DROP_REASON_TUNNEL_TXINFO,

nit: ./scripts/kernel-doc would like this to be formatted as follows.
     And metadata is misspelt.

	/**
	 * @SKB_DROP_REASON_TUNNEL_TXINFO: packet without necessary metadata
	 * reached a device is in "eternal" mode.
	 */
	SKB_DROP_REASON_TUNNEL_TXINFO,

>  	/**
>  	 * @SKB_DROP_REASON_LOCAL_MAC: the source MAC address is equal to
>  	 * the MAC address of the local netdev.
> -- 
> 2.39.5
>