netdev - Re: [PATCH net] bonding: show NS IPv6 targets in proc master info

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Date:   Fri, 27 May 2022 10:13:08 -0400
From:   Jonathan Toppins <jtoppins@...hat.com>
To:     Hangbin Liu <liuhangbin@...il.com>, netdev@...r.kernel.org
Cc:     Jay Vosburgh <j.vosburgh@...il.com>,
        Veaceslav Falico <vfalico@...il.com>,
        Andy Gospodarek <andy@...yhouse.net>,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Paolo Abeni <pabeni@...hat.com>, Li Liang <liali@...hat.com>
Subject: Re: [PATCH net] bonding: show NS IPv6 targets in proc master info

On 5/27/22 02:44, Hangbin Liu wrote:
> When adding bond new parameter ns_targets. I forgot to print this
> in bond master proc info. After updating, the bond master info will looks
                                                                look ---^
> like:
> 
> ARP IP target/s (n.n.n.n form): 192.168.1.254
> NS IPv6 target/s (XX::XX form): 2022::1, 2022::2
> 
> Fixes: 4e24be018eb9 ("bonding: add new parameter ns_targets")
> Reported-by: Li Liang <liali@...hat.com>
> Signed-off-by: Hangbin Liu <liuhangbin@...il.com>
> ---
>   drivers/net/bonding/bond_procfs.c | 13 +++++++++++++
>   1 file changed, 13 insertions(+)
> 
> diff --git a/drivers/net/bonding/bond_procfs.c b/drivers/net/bonding/bond_procfs.c
> index cfe37be42be4..b6c012270e2e 100644
> --- a/drivers/net/bonding/bond_procfs.c
> +++ b/drivers/net/bonding/bond_procfs.c
> @@ -129,6 +129,19 @@ static void bond_info_show_master(struct seq_file *seq)
>   			printed = 1;
>   		}
>   		seq_printf(seq, "\n");

Does this need to be guarded by "#if IS_ENABLED(CONFIG_IPV6)"?
> +
> +		printed = 0;
> +		seq_printf(seq, "NS IPv6 target/s (xx::xx form):");
> +
> +		for (i = 0; (i < BOND_MAX_NS_TARGETS); i++) {
> +			if (ipv6_addr_any(&bond->params.ns_targets[i]))
> +				break;
> +			if (printed)
> +				seq_printf(seq, ",");
> +			seq_printf(seq, " %pI6c", &bond->params.ns_targets[i]);
> +			printed = 1;
> +		}
> +		seq_printf(seq, "\n");
>   	}
>   
>   	if (BOND_MODE(bond) == BOND_MODE_8023AD) {