netdev - Re: [PATCH iproute2 net-next 1/2] iproute: Add support for ttl-propagation attribute

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Date:   Mon, 10 Apr 2017 21:43:53 -0600
From:   David Ahern <dsa@...ulusnetworks.com>
To:     Robert Shearman <rshearma@...cade.com>, netdev@...r.kernel.org
Cc:     stephen@...workplumber.org
Subject: Re: [PATCH iproute2 net-next 1/2] iproute: Add support for
 ttl-propagation attribute

On 4/10/17 8:36 AM, Robert Shearman wrote:
> @@ -1184,6 +1192,20 @@ static int iproute_modify(int cmd, unsigned int flags, int argc, char **argv)
>  
>  			if (rta->rta_len > RTA_LENGTH(0))
>  				addraw_l(&req.n, 1024, RTA_DATA(rta), RTA_PAYLOAD(rta));
> +		} else if (strcmp(*argv, "ttl-propagate") == 0) {
> +			__u8 ttl_prop;
> +
> +			NEXT_ARG();
> +			if (strcmp(*argv, "enabled") == 0)
> +				ttl_prop = 1;
> +			else if (strcmp(*argv, "disabled") == 0)
> +				ttl_prop = 0;
> +			else
> +				invarg("\"ttl-propagate\" value is invalid\n",
> +				       *argv);
> +

matches() instead of strcmp() is more user friendly. 'enabled' is a lot
to type. ;-)