Subject: Re: [PATCH iproute2] ip: print "temporary" for IPv6 temp addresses

From: Brian Haley <[email-masked]>
Date: Thu, 03 Dec 2009 14:41:02 -0500

Hi Stephen,

Brian Haley wrote:
> IPv6 addresses that have IFA_F_SECONDARY set are actually temporary addresses,
> hence the IFA_F_TEMPORARY equivalent.  Change the output in this case and
> allow filtering on the word "temporary".

I didn't see this in your current git tree, just pinging you about it.  This
would apply on top of my dad_failed patch.

Thanks,

-Brian

> Signed-off-by: Brian Haley <[email-masked]>
> ---
> 
> diff --git a/ip/ipaddress.c b/ip/ipaddress.c
> index 32c9008..8492fa8 100644
> --- a/ip/ipaddress.c
> +++ b/ip/ipaddress.c
> @@ -74,7 +74,7 @@ static void usage(void)
>  	fprintf(stderr, "SCOPE-ID := [ host | link | global | NUMBER ]\n");
>  	fprintf(stderr, "FLAG-LIST := [ FLAG-LIST ] FLAG\n");
>  	fprintf(stderr, "FLAG  := [ permanent | dynamic | secondary | primary |\n");
> -	fprintf(stderr, "           tentative | deprecated | dadfailed |\n");
> +	fprintf(stderr, "           tentative | deprecated | dadfailed | temporary |\n");
>  	fprintf(stderr, "           CONFFLAG-LIST ]\n");
>  	fprintf(stderr, "CONFFLAG-LIST := [ CONFFLAG-LIST ] CONFFLAG\n");
>  	fprintf(stderr, "CONFFLAG  := [ home | nodad ]\n");
> @@ -486,7 +486,10 @@ int print_addrinfo(const struct sockaddr_nl *who, struct nlmsghdr *n,
>  	fprintf(fp, "scope %s ", rtnl_rtscope_n2a(ifa->ifa_scope, b1, sizeof(b1)));
>  	if (ifa->ifa_flags&IFA_F_SECONDARY) {
>  		ifa->ifa_flags &= ~IFA_F_SECONDARY;
> -		fprintf(fp, "secondary ");
> +		if (ifa->ifa_family == AF_INET6)
> +			fprintf(fp, "temporary ");
> +		else
> +			fprintf(fp, "secondary ");
>  	}
>  	if (ifa->ifa_flags&IFA_F_TENTATIVE) {
>  		ifa->ifa_flags &= ~IFA_F_TENTATIVE;
> @@ -642,7 +645,8 @@ static int ipaddr_list_or_flush(int argc, char **argv, int flush)
>  		} else if (strcmp(*argv, "permanent") == 0) {
>  			filter.flags |= IFA_F_PERMANENT;
>  			filter.flagmask |= IFA_F_PERMANENT;
> -		} else if (strcmp(*argv, "secondary") == 0) {
> +		} else if (strcmp(*argv, "secondary") == 0 ||
> +			   strcmp(*argv, "temporary") == 0) {
>  			filter.flags |= IFA_F_SECONDARY;
>  			filter.flagmask |= IFA_F_SECONDARY;
>  		} else if (strcmp(*argv, "primary") == 0) {
> diff --git a/man/man8/ip.8 b/man/man8/ip.8
> index 1145b28..24a3812 100644
> --- a/man/man8/ip.8
> +++ b/man/man8/ip.8
> @@ -97,7 +97,7 @@ ip \- show / manipulate routing, devices, policy routing and tunnels
>  .ti -8
>  .IR FLAG " := "
>  .RB "[ " permanent " | " dynamic " | " secondary " | " primary " | "\
> -tentative " | " deprecated " | " dadfailed " ]"
> +tentative " | " deprecated " | " dadfailed " | " temporary " ]"
>  
>  .ti -8
>  .BR "ip addrlabel" " { " add " | " del " } " prefix
> @@ -1043,6 +1043,10 @@ address detection.
>  address detection.
>  
>  .TP
> +.B temporary
> +(IPv6 only) only list temporary addresses.
> +
> +.TP
>  .BR primary " and " secondary
>  only list primary (or secondary) addresses.
>  
> --
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