int iplink_parse(int argc, char **argv, struct iplink_req *req,
char **name, char **type, char **link, char **dev, int *group, int *index)
{
int ret, len;
char abuf[32];
int qlen = -1;
int mtu = -1;
int netns = -1;
int vf = -1;
int numtxqueues = -1;
int numrxqueues = -1;
int dev_index = 0;
*group = -1;
ret = argc;
while (argc > 0) {
if (strcmp(*argv, "up") == 0) {
req->i.ifi_change |= IFF_UP;
req->i.ifi_flags |= IFF_UP;
} else if (strcmp(*argv, "down") == 0) {
req->i.ifi_change |= IFF_UP;
req->i.ifi_flags &= ~IFF_UP;
} else if (strcmp(*argv, "name") == 0) {
NEXT_ARG();
*name = *argv;
} else if (strcmp(*argv, "index") == 0) {
NEXT_ARG();
*index = atoi(*argv);
} else if (matches(*argv, "link") == 0) {
NEXT_ARG();
*link = *argv;
} else if (matches(*argv, "address") == 0) {
NEXT_ARG();
len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
if (len < 0)
return -1;
addattr_l(&req->n, sizeof(*req), IFLA_ADDRESS, abuf, len);
} else if (matches(*argv, "broadcast") == 0 ||
strcmp(*argv, "brd") == 0) {
NEXT_ARG();
len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
if (len < 0)
return -1;
addattr_l(&req->n, sizeof(*req), IFLA_BROADCAST, abuf, len);
} else if (matches(*argv, "txqueuelen") == 0 ||
strcmp(*argv, "qlen") == 0 ||
matches(*argv, "txqlen") == 0) {
NEXT_ARG();
if (qlen != -1)
duparg("txqueuelen", *argv);
if (get_integer(&qlen, *argv, 0))
invarg("Invalid \"txqueuelen\" value\n", *argv);
addattr_l(&req->n, sizeof(*req), IFLA_TXQLEN, &qlen, 4);
} else if (strcmp(*argv, "mtu") == 0) {
NEXT_ARG();
if (mtu != -1)
duparg("mtu", *argv);
if (get_integer(&mtu, *argv, 0))
invarg("Invalid \"mtu\" value\n", *argv);
addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4);
} else if (strcmp(*argv, "netns") == 0) {
NEXT_ARG();
if (netns != -1)
duparg("netns", *argv);
if ((netns = get_netns_fd(*argv)) >= 0)
addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_FD, &netns, 4);
else if (get_integer(&netns, *argv, 0) == 0)
addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_PID, &netns, 4);
else
invarg("Invalid \"netns\" value\n", *argv);
} else if (strcmp(*argv, "multicast") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_MULTICAST;
if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags |= IFF_MULTICAST;
} else if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags &= ~IFF_MULTICAST;
} else
return on_off("multicast", *argv);
} else if (strcmp(*argv, "allmulticast") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_ALLMULTI;
if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags |= IFF_ALLMULTI;
} else if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags &= ~IFF_ALLMULTI;
} else
return on_off("allmulticast", *argv);
} else if (strcmp(*argv, "promisc") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_PROMISC;
if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags |= IFF_PROMISC;
} else if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags &= ~IFF_PROMISC;
} else
return on_off("promisc", *argv);
} else if (strcmp(*argv, "trailers") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_NOTRAILERS;
if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags |= IFF_NOTRAILERS;
} else if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags &= ~IFF_NOTRAILERS;
} else
return on_off("trailers", *argv);
} else if (strcmp(*argv, "arp") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_NOARP;
if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags &= ~IFF_NOARP;
} else if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags |= IFF_NOARP;
} else
return on_off("noarp", *argv);
} else if (strcmp(*argv, "vf") == 0) {
struct rtattr *vflist;
NEXT_ARG();
if (get_integer(&vf, *argv, 0)) {
invarg("Invalid \"vf\" value\n", *argv);
}
vflist = addattr_nest(&req->n, sizeof(*req),
IFLA_VFINFO_LIST);
if (dev_index == 0)
missarg("dev");
len = iplink_parse_vf(vf, &argc, &argv, req, dev_index);
if (len < 0)
return -1;
addattr_nest_end(&req->n, vflist);
} else if (matches(*argv, "master") == 0) {
int ifindex;
NEXT_ARG();
ifindex = ll_name_to_index(*argv);
if (!ifindex)
invarg("Device does not exist\n", *argv);
addattr_l(&req->n, sizeof(*req), IFLA_MASTER,
&ifindex, 4);
} else if (matches(*argv, "nomaster") == 0) {
int ifindex = 0;
addattr_l(&req->n, sizeof(*req), IFLA_MASTER,
&ifindex, 4);
} else if (matches(*argv, "dynamic") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_DYNAMIC;
if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags |= IFF_DYNAMIC;
} else if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags &= ~IFF_DYNAMIC;
} else
return on_off("dynamic", *argv);
} else if (matches(*argv, "type") == 0) {
NEXT_ARG();
*type = *argv;
argc--; argv++;
break;
} else if (matches(*argv, "alias") == 0) {
NEXT_ARG();
addattr_l(&req->n, sizeof(*req), IFLA_IFALIAS,
*argv, strlen(*argv));
argc--; argv++;
break;
} else if (strcmp(*argv, "group") == 0) {
NEXT_ARG();
if (*group != -1)
duparg("group", *argv);
if (rtnl_group_a2n(group, *argv))
invarg("Invalid \"group\" value\n", *argv);
} else if (strcmp(*argv, "mode") == 0) {
int mode;
NEXT_ARG();
mode = get_link_mode(*argv);
if (mode < 0)
invarg("Invalid link mode\n", *argv);
addattr8(&req->n, sizeof(*req), IFLA_LINKMODE, mode);
} else if (strcmp(*argv, "state") == 0) {
int state;
NEXT_ARG();
state = get_operstate(*argv);
if (state < 0)
invarg("Invalid operstate\n", *argv);
addattr8(&req->n, sizeof(*req), IFLA_OPERSTATE, state);
} else if (matches(*argv, "numtxqueues") == 0) {
NEXT_ARG();
if (numtxqueues != -1)
duparg("numtxqueues", *argv);
if (get_integer(&numtxqueues, *argv, 0))
invarg("Invalid \"numtxqueues\" value\n", *argv);
addattr_l(&req->n, sizeof(*req), IFLA_NUM_TX_QUEUES,
&numtxqueues, 4);
} else if (matches(*argv, "numrxqueues") == 0) {
NEXT_ARG();
if (numrxqueues != -1)
duparg("numrxqueues", *argv);
if (get_integer(&numrxqueues, *argv, 0))
invarg("Invalid \"numrxqueues\" value\n", *argv);
addattr_l(&req->n, sizeof(*req), IFLA_NUM_RX_QUEUES,
&numrxqueues, 4);
} else {
if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
}
if (matches(*argv, "help") == 0)
usage();
if (*dev)
duparg2("dev", *argv);
*dev = *argv;
dev_index = ll_name_to_index(*dev);
if (dev_index == 0)
invarg("Unknown device", *argv);
}
argc--; argv++;
}
return ret - argc;
}
int iplink_parse(int argc, char **argv, struct iplink_req *req,
char **name, char **type, char **link, char **dev)
{
int ret, len;
char abuf[32];
int qlen = -1;
int mtu = -1;
int netns = -1;
int vf = -1;
ret = argc;
while (argc > 0) {
if (strcmp(*argv, "up") == 0) {
req->i.ifi_change |= IFF_UP;
req->i.ifi_flags |= IFF_UP;
} else if (strcmp(*argv, "down") == 0) {
req->i.ifi_change |= IFF_UP;
req->i.ifi_flags &= ~IFF_UP;
} else if (strcmp(*argv, "name") == 0) {
NEXT_ARG();
*name = *argv;
} else if (matches(*argv, "link") == 0) {
NEXT_ARG();
*link = *argv;
} else if (matches(*argv, "address") == 0) {
NEXT_ARG();
len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
if (len < 0)
return -1;
addattr_l(&req->n, sizeof(*req), IFLA_ADDRESS, abuf, len);
} else if (matches(*argv, "broadcast") == 0 ||
strcmp(*argv, "brd") == 0) {
NEXT_ARG();
len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
if (len < 0)
return -1;
addattr_l(&req->n, sizeof(*req), IFLA_BROADCAST, abuf, len);
} else if (matches(*argv, "txqueuelen") == 0 ||
strcmp(*argv, "qlen") == 0 ||
matches(*argv, "txqlen") == 0) {
NEXT_ARG();
if (qlen != -1)
duparg("txqueuelen", *argv);
if (get_integer(&qlen, *argv, 0))
invarg("Invalid \"txqueuelen\" value\n", *argv);
addattr_l(&req->n, sizeof(*req), IFLA_TXQLEN, &qlen, 4);
} else if (strcmp(*argv, "mtu") == 0) {
NEXT_ARG();
if (mtu != -1)
duparg("mtu", *argv);
if (get_integer(&mtu, *argv, 0))
invarg("Invalid \"mtu\" value\n", *argv);
addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4);
} else if (strcmp(*argv, "netns") == 0) {
NEXT_ARG();
if (netns != -1)
duparg("netns", *argv);
if (get_integer(&netns, *argv, 0))
invarg("Invalid \"netns\" value\n", *argv);
addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_PID, &netns, 4);
} else if (strcmp(*argv, "multicast") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_MULTICAST;
if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags |= IFF_MULTICAST;
} else if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags &= ~IFF_MULTICAST;
} else
return on_off("multicast");
} else if (strcmp(*argv, "allmulticast") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_ALLMULTI;
if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags |= IFF_ALLMULTI;
} else if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags &= ~IFF_ALLMULTI;
} else
return on_off("allmulticast");
} else if (strcmp(*argv, "multipath") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_NOMULTIPATH;
req->i.ifi_change |= IFF_MPBACKUP;
req->i.ifi_change |= IFF_MPHANDOVER;
if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags &= ~IFF_NOMULTIPATH;
req->i.ifi_flags &= ~IFF_MPBACKUP;
req->i.ifi_flags &= ~IFF_MPHANDOVER;
} else if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags |= IFF_NOMULTIPATH;
} else if (strcmp(*argv, "backup") == 0) {
req->i.ifi_flags &= ~IFF_NOMULTIPATH;
req->i.ifi_flags |= IFF_MPBACKUP;
} else if (strcmp(*argv, "handover") == 0) {
req->i.ifi_flags &= ~IFF_NOMULTIPATH;
req->i.ifi_flags |= IFF_MPHANDOVER;
} else {
fprintf(stderr, "Error: argument of \"multipath\" must be"
"\"on\", \"off\", \"backup\" or \"handover\"\n");
return -1;
}
} else if (strcmp(*argv, "promisc") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_PROMISC;
if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags |= IFF_PROMISC;
} else if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags &= ~IFF_PROMISC;
} else
return on_off("promisc");
} else if (strcmp(*argv, "trailers") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_NOTRAILERS;
if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags |= IFF_NOTRAILERS;
} else if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags &= ~IFF_NOTRAILERS;
} else
return on_off("trailers");
} else if (strcmp(*argv, "arp") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_NOARP;
if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags &= ~IFF_NOARP;
} else if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags |= IFF_NOARP;
} else
return on_off("noarp");
} else if (strcmp(*argv, "vf") == 0) {
struct rtattr *vflist;
NEXT_ARG();
if (get_integer(&vf, *argv, 0)) {
invarg("Invalid \"vf\" value\n", *argv);
}
vflist = addattr_nest(&req->n, sizeof(*req),
IFLA_VFINFO_LIST);
len = iplink_parse_vf(vf, &argc, &argv, req);
if (len < 0)
return -1;
addattr_nest_end(&req->n, vflist);
#ifdef IFF_DYNAMIC
} else if (matches(*argv, "dynamic") == 0) {
NEXT_ARG();
req->i.ifi_change |= IFF_DYNAMIC;
if (strcmp(*argv, "on") == 0) {
req->i.ifi_flags |= IFF_DYNAMIC;
} else if (strcmp(*argv, "off") == 0) {
req->i.ifi_flags &= ~IFF_DYNAMIC;
} else
return on_off("dynamic");
#endif
} else if (matches(*argv, "type") == 0) {
NEXT_ARG();
*type = *argv;
argc--; argv++;
break;
} else if (matches(*argv, "alias") == 0) {
NEXT_ARG();
addattr_l(&req->n, sizeof(*req), IFLA_IFALIAS,
*argv, strlen(*argv));
argc--; argv++;
break;
} else {
if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
}
if (matches(*argv, "help") == 0)
usage();
if (*dev)
duparg2("dev", *argv);
*dev = *argv;
}
argc--; argv++;
}
return ret - argc;
}
