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From: Stephen Suryaputra <ssuryaextr@gmail.com>
To: Ido Schimmel <idosch@idosch.org>
Cc: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org,
	mlxsw@nvidia.com, Ido Schimmel <idosch@nvidia.com>
Subject: Re: [PATCH net] ipv6: Fix sysctl max for fib_multipath_hash_policy
Date: Wed, 2 Sep 2020 11:34:02 -0400	[thread overview]
Message-ID: <20200902153402.GA4801@ICIPI.localdomain> (raw)
In-Reply-To: <20200902131659.2051734-1-idosch@idosch.org>

On Wed, Sep 02, 2020 at 04:16:59PM +0300, Ido Schimmel wrote:
> From: Ido Schimmel <idosch@nvidia.com>
> 
> Cited commit added the possible value of '2', but it cannot be set. Fix
> it by adjusting the maximum value to '2'. This is consistent with the
> corresponding IPv4 sysctl.
> 
> Before:
> 
> # sysctl -w net.ipv6.fib_multipath_hash_policy=2
> sysctl: setting key "net.ipv6.fib_multipath_hash_policy": Invalid argument
> net.ipv6.fib_multipath_hash_policy = 2
> # sysctl net.ipv6.fib_multipath_hash_policy
> net.ipv6.fib_multipath_hash_policy = 0
> 
> After:
> 
> # sysctl -w net.ipv6.fib_multipath_hash_policy=2
> net.ipv6.fib_multipath_hash_policy = 2
> # sysctl net.ipv6.fib_multipath_hash_policy
> net.ipv6.fib_multipath_hash_policy = 2
> 
> Fixes: d8f74f0975d8 ("ipv6: Support multipath hashing on inner IP pkts")
> Signed-off-by: Ido Schimmel <idosch@nvidia.com>
> ---
>  net/ipv6/sysctl_net_ipv6.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
> index fac2135aa47b..5b60a4bdd36a 100644
> --- a/net/ipv6/sysctl_net_ipv6.c
> +++ b/net/ipv6/sysctl_net_ipv6.c
> @@ -21,6 +21,7 @@
>  #include <net/calipso.h>
>  #endif
>  
> +static int two = 2;
>  static int flowlabel_reflect_max = 0x7;
>  static int auto_flowlabels_min;
>  static int auto_flowlabels_max = IP6_AUTO_FLOW_LABEL_MAX;
> @@ -150,7 +151,7 @@ static struct ctl_table ipv6_table_template[] = {
>  		.mode		= 0644,
>  		.proc_handler   = proc_rt6_multipath_hash_policy,
>  		.extra1		= SYSCTL_ZERO,
> -		.extra2		= SYSCTL_ONE,
> +		.extra2		= &two,
>  	},
>  	{
>  		.procname	= "seg6_flowlabel",
> -- 
> 2.26.2
> 

Thanks for catching.

Reviewed-by: Stephen Suryaputra <ssuryaextr@gmail.com>

  reply	other threads:[~2020-09-02 15:34 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-02 13:16 [PATCH net] ipv6: Fix sysctl max for fib_multipath_hash_policy Ido Schimmel
2020-09-02 15:34 ` Stephen Suryaputra [this message]
2020-09-02 22:45 ` David Miller

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