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iplink: support show and set of "addrgenmode random" 

"random" is a new IPv6 addrgenmode, enabling "stable_secret" type
addresses with an auto-generated secret.

$ ip link set eth0 addrgenmode random

$ ip -d link show dev eth0
2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN mode DEFAULT group default qlen 1000
    link/ether 00:21:86:a3:25:7d brd ff:ff:ff:ff:ff:ff promiscuity 0 addrgenmode random

Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
This commit is contained in:
Bjørn Mork 2016-01-04 10:58:05 +01:00 committed by Stephen Hemminger
parent 8e098dd81a
commit 8e12bc0a9d
2 changed files with 6 additions and 1 deletions
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3
ip/ipaddress.c
View File

@ -296,6 +296,9 @@ static void print_af_spec(FILE *fp, struct rtattr *af_spec_attr)
case IN6_ADDR_GEN_MODE_STABLE_PRIVACY:
fprintf(fp, "addrgenmode stable_secret ");
break;
case IN6_ADDR_GEN_MODE_RANDOM:
fprintf(fp, "addrgenmode random ");
break;
default:
fprintf(fp, "addrgenmode %#.2hhx ", mode);
break;

4
ip/iplink.c
View File

@ -84,7 +84,7 @@ void iplink_usage(void)
fprintf(stderr, " [ state { auto | enable | disable} ] ]\n");
fprintf(stderr, " [ master DEVICE ]\n");
fprintf(stderr, " [ nomaster ]\n");
fprintf(stderr, " [ addrgenmode { eui64 | none | stable_secret } ]\n");
fprintf(stderr, " [ addrgenmode { eui64 | none | stable_secret | random } ]\n");
fprintf(stderr, " [ protodown { on | off } ]\n");
fprintf(stderr, " ip link show [ DEVICE | group GROUP ] [up] [master DEV] [type TYPE]\n");
@ -178,6 +178,8 @@ static int get_addr_gen_mode(const char *mode)
return IN6_ADDR_GEN_MODE_NONE;
if (strcasecmp(mode, "stable_secret") == 0)
return IN6_ADDR_GEN_MODE_STABLE_PRIVACY;
if (strcasecmp(mode, "random") == 0)
return IN6_ADDR_GEN_MODE_RANDOM;
return -1;
}