linux-kernel - Re: [PATCH net-next v5] net/ipv6: Introduce accept_unsolicited_na knob to implement router-side changes for RFC9131

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Date:   Fri, 15 Apr 2022 14:38:58 +0700
From:   Bagas Sanjaya <bagasdotme@...il.com>
To:     Arun Ajith S <aajith@...sta.com>, netdev@...r.kernel.org
Cc:     davem@...emloft.net, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, dsahern@...nel.org,
        yoshfuji@...ux-ipv6.org, kuba@...nel.org, pabeni@...hat.com,
        corbet@....net, prestwoj@...il.com, gilligan@...sta.com,
        noureddine@...sta.com, gk@...sta.com
Subject: Re: [PATCH net-next v5] net/ipv6: Introduce accept_unsolicited_na
 knob to implement router-side changes for RFC9131

On 4/15/22 12:42, Arun Ajith S wrote:
> +accept_unsolicited_na - BOOLEAN
> +	Add a new neighbour cache entry in STALE state for routers on receiving an
> +	unsolicited neighbour advertisement with target link-layer address option
> +	specified. This is as per router-side behavior documented in RFC9131.
> +	This has lower precedence than drop_unsolicited_na.
> +
> +   ====   ======  ======  ==============================================
> +	 drop   accept  fwding                   behaviour
> +	 ----   ------  ------  ----------------------------------------------
> +	    1        X       X  Drop NA packet and don't pass up the stack
> +	    0        0       X  Pass NA packet up the stack, don't update NC
> +	    0        1       0  Pass NA packet up the stack, don't update NC
> +	    0        1       1  Pass NA packet up the stack, and add a STALE
> +	                        NC entry
> +   ====   ======  ======  ==============================================
> +

Hi,

Building htmldocs with this patch, there are no more warnings from v4, but
I don't see the table above generated in the output. I guess due to
whitespace-mangling issues on your mailer, because the table syntax alignment
(the =-s) don't match the contents/cells. 

Thanks.

-- 
An old man doll... just what I always wanted! - Clara