diff --git a/include/linux/if_link.h b/include/linux/if_link.h index fadef0f..39cb62c 100644 --- a/include/linux/if_link.h +++ b/include/linux/if_link.h @@ -202,11 +202,17 @@ enum { IFLA_INET6_CACHEINFO, /* time values and max reasm size */ IFLA_INET6_ICMP6STATS, /* statistics (icmpv6) */ IFLA_INET6_TOKEN, /* device token */ + IFLA_INET6_ADDR_GEN_MODE, /* implicit address generator mode */ __IFLA_INET6_MAX }; #define IFLA_INET6_MAX (__IFLA_INET6_MAX - 1) +enum in6_addr_gen_mode { + IN6_ADDR_GEN_MODE_EUI64, + IN6_ADDR_GEN_MODE_NONE, +}; + enum { BRIDGE_MODE_UNSPEC, BRIDGE_MODE_HAIRPIN, diff --git a/ip/iplink.c b/ip/iplink.c index 0d020ef..ecb05d6 100644 --- a/ip/iplink.c +++ b/ip/iplink.c @@ -81,6 +81,7 @@ 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 } ]\n"); fprintf(stderr, " ip link show [ DEVICE | group GROUP ] [up]\n"); if (iplink_have_newlink()) { @@ -161,6 +162,15 @@ static int get_link_mode(const char *mode) return -1; } +static int get_addr_gen_mode(const char *mode) +{ + if (strcasecmp(mode, "eui64") == 0) + return IN6_ADDR_GEN_MODE_EUI64; + if (strcasecmp(mode, "none") == 0) + return IN6_ADDR_GEN_MODE_NONE; + return -1; +} + #if IPLINK_IOCTL_COMPAT static int have_rtnl_newlink = -1; @@ -557,6 +567,18 @@ int iplink_parse(int argc, char **argv, struct iplink_req *req, invarg("Invalid \"numrxqueues\" value\n", *argv); addattr_l(&req->n, sizeof(*req), IFLA_NUM_RX_QUEUES, &numrxqueues, 4); + } else if (matches(*argv, "addrgenmode") == 0) { + struct rtattr *afs, *afs6; + int mode; + NEXT_ARG(); + mode = get_addr_gen_mode(*argv); + if (mode < 0) + invarg("Invalid address generation mode\n", *argv); + afs = addattr_nest(&req->n, sizeof(*req), IFLA_AF_SPEC); + afs6 = addattr_nest(&req->n, sizeof(*req), AF_INET6); + addattr8(&req->n, sizeof(*req), IFLA_INET6_ADDR_GEN_MODE, mode); + addattr_nest_end(&req->n, afs6); + addattr_nest_end(&req->n, afs); } else { if (strcmp(*argv, "dev") == 0) { NEXT_ARG(); diff -uNrp iproute2-3.10.0.orig/man/man8/ip-link.8.in iproute2-3.10.0/man/man8/ip-link.8.in --- iproute2-3.10.0.orig/man/man8/ip-link.8.in 2014-10-24 12:59:52.388574153 +0200 +++ iproute2-3.10.0/man/man8/ip-link.8.in 2014-10-24 12:57:58.650081739 +0200 @@ -120,9 +120,11 @@ ip-link \- network device configuration ] | .br .B master -.IR DEVICE +.IR DEVICE " |" .br -.B nomaster +.B nomaster " |" +.br +.B addrgenmode { eui64 | none } .BR " }" @@ -512,6 +514,10 @@ set master device of the device (enslave .BI nomaster unset master device of the device (release device). +.TP +.BR "addrgenmode eui64 " or " addrgenmode none" +set IPv6 address generation mode + .PP .B Warning: If multiple parameter changes are requested,