Re: [PATCH v3] ipv6: add `force_forwarding` sysctl to enable per-interface forwarding

[Nicolas Dichtel <nicolas.dichtel@6wind.com>]

Le 03/07/2025 à 00:26, Randy Dunlap a écrit :

[snip]

>>> +static int addrconf_sysctl_force_forwarding(const struct ctl_table *ctl, int write,
>>> +					    void *buffer, size_t *lenp, loff_t *ppos)
>>> +{
>>> +	int *valp = ctl->data;
>>> +	int ret;
>>> +	int old, new;
>>> +
>>> +	// get extra params from table
>> /* */ for comment
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/coding-style.rst#n598
> 
> Hm, lots there from the BK to git transfer in 2005, with a few updates by Mauro, Jakub, and myself.
> 
> 
> More recently (2016!), Linus said this:
>   https://lore.kernel.org/lkml/CA+55aFyQYJerovMsSoSKS7PessZBr4vNp-3QUUwhqk4A4_jcbg@mail.gmail.com/
> 
> which seems to allow for "//" style commenting. But yeah, it hasn't been added to
> coding-style.rst.
I wasn't aware. I always seen '//' rejected.

> 
>>> +	struct inet6_dev *idev = ctl->extra1;
>>> +	struct net *net = ctl->extra2;
>> Reverse x-mas tree for the variables declaration
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/maintainer-netdev.rst#n368
> 
> Shouldn't maintainer-netdev.rst contain something about netdev-style comment blocks?
> (not that I'm offering since I think it's ugly)
> 
It has been removed:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=82b8000c28b5