ip link: add support for "address ETHADDR". Closes 4862
function old new delta do_iplink 2175 2289 +114 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
81071e6872
commit
ecd8c3affc
@ -46,6 +46,12 @@ struct ifla_vlan_flags {
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/* taken from linux/sockios.h */
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#define SIOCSIFNAME 0x8923 /* set interface name */
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#if 0
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# define dbg(...) bb_error_msg(__VA_ARGS__)
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#else
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# define dbg(...) ((void)0)
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#endif
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/* Exits on error */
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static int get_ctl_fd(void)
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{
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@ -401,12 +407,13 @@ static void vlan_parse_opt(char **argv, struct nlmsghdr *n, unsigned int size)
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static int do_add_or_delete(char **argv, const unsigned rtm)
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{
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static const char keywords[] ALIGN1 =
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"link\0""name\0""type\0""dev\0";
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"link\0""name\0""type\0""dev\0""address\0";
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enum {
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ARG_link,
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ARG_name,
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ARG_type,
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ARG_dev,
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ARG_address,
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};
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struct rtnl_handle rth;
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struct {
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@ -415,7 +422,11 @@ static int do_add_or_delete(char **argv, const unsigned rtm)
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char buf[1024];
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} req;
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smalluint arg;
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char *name_str = NULL, *link_str = NULL, *type_str = NULL, *dev_str = NULL;
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char *name_str = NULL;
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char *link_str = NULL;
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char *type_str = NULL;
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char *dev_str = NULL;
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char *address_str = NULL;
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memset(&req, 0, sizeof(req));
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@ -431,14 +442,21 @@ static int do_add_or_delete(char **argv, const unsigned rtm)
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if (arg == ARG_type) {
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NEXT_ARG();
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type_str = *argv++;
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dbg("type_str:'%s'", type_str);
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break;
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}
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if (arg == ARG_link) {
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NEXT_ARG();
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link_str = *argv;
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dbg("link_str:'%s'", link_str);
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} else if (arg == ARG_name) {
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NEXT_ARG();
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name_str = *argv;
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dbg("name_str:'%s'", name_str);
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} else if (arg == ARG_address) {
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NEXT_ARG();
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address_str = *argv;
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dbg("address_str:'%s'", name_str);
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} else {
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if (arg == ARG_dev) {
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if (dev_str)
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@ -446,6 +464,7 @@ static int do_add_or_delete(char **argv, const unsigned rtm)
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NEXT_ARG();
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}
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dev_str = *argv;
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dbg("dev_str:'%s'", dev_str);
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}
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argv++;
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}
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@ -481,6 +500,14 @@ static int do_add_or_delete(char **argv, const unsigned rtm)
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int idx = xll_name_to_index(link_str);
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addattr_l(&req.n, sizeof(req), IFLA_LINK, &idx, 4);
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}
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if (address_str) {
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unsigned char abuf[32];
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int len = ll_addr_a2n(abuf, sizeof(abuf), address_str);
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dbg("address len:%d", len);
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if (len < 0)
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return -1;
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addattr_l(&req.n, sizeof(req), IFLA_ADDRESS, abuf, len);
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}
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}
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if (name_str) {
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const size_t name_len = strlen(name_str) + 1;
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@ -493,6 +520,165 @@ static int do_add_or_delete(char **argv, const unsigned rtm)
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return 0;
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}
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/* Other keywords recognized by iproute2-3.12.0: */
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#if 0
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} else if (matches(*argv, "broadcast") == 0 ||
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strcmp(*argv, "brd") == 0) {
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NEXT_ARG();
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len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
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if (len < 0)
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return -1;
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addattr_l(&req->n, sizeof(*req), IFLA_BROADCAST, abuf, len);
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} else if (matches(*argv, "txqueuelen") == 0 ||
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strcmp(*argv, "qlen") == 0 ||
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matches(*argv, "txqlen") == 0) {
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NEXT_ARG();
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if (qlen != -1)
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duparg("txqueuelen", *argv);
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if (get_integer(&qlen, *argv, 0))
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invarg("Invalid \"txqueuelen\" value\n", *argv);
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addattr_l(&req->n, sizeof(*req), IFLA_TXQLEN, &qlen, 4);
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} else if (strcmp(*argv, "mtu") == 0) {
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NEXT_ARG();
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if (mtu != -1)
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duparg("mtu", *argv);
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if (get_integer(&mtu, *argv, 0))
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invarg("Invalid \"mtu\" value\n", *argv);
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addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4);
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} else if (strcmp(*argv, "netns") == 0) {
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NEXT_ARG();
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if (netns != -1)
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duparg("netns", *argv);
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if ((netns = get_netns_fd(*argv)) >= 0)
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addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_FD, &netns, 4);
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else if (get_integer(&netns, *argv, 0) == 0)
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addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_PID, &netns, 4);
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else
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invarg("Invalid \"netns\" value\n", *argv);
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} else if (strcmp(*argv, "multicast") == 0) {
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NEXT_ARG();
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req->i.ifi_change |= IFF_MULTICAST;
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if (strcmp(*argv, "on") == 0) {
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req->i.ifi_flags |= IFF_MULTICAST;
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} else if (strcmp(*argv, "off") == 0) {
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req->i.ifi_flags &= ~IFF_MULTICAST;
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} else
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return on_off("multicast", *argv);
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} else if (strcmp(*argv, "allmulticast") == 0) {
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NEXT_ARG();
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req->i.ifi_change |= IFF_ALLMULTI;
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if (strcmp(*argv, "on") == 0) {
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req->i.ifi_flags |= IFF_ALLMULTI;
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} else if (strcmp(*argv, "off") == 0) {
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req->i.ifi_flags &= ~IFF_ALLMULTI;
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} else
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return on_off("allmulticast", *argv);
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} else if (strcmp(*argv, "promisc") == 0) {
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NEXT_ARG();
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req->i.ifi_change |= IFF_PROMISC;
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if (strcmp(*argv, "on") == 0) {
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req->i.ifi_flags |= IFF_PROMISC;
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} else if (strcmp(*argv, "off") == 0) {
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req->i.ifi_flags &= ~IFF_PROMISC;
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} else
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return on_off("promisc", *argv);
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} else if (strcmp(*argv, "trailers") == 0) {
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NEXT_ARG();
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req->i.ifi_change |= IFF_NOTRAILERS;
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if (strcmp(*argv, "off") == 0) {
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req->i.ifi_flags |= IFF_NOTRAILERS;
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} else if (strcmp(*argv, "on") == 0) {
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req->i.ifi_flags &= ~IFF_NOTRAILERS;
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} else
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return on_off("trailers", *argv);
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} else if (strcmp(*argv, "arp") == 0) {
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NEXT_ARG();
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req->i.ifi_change |= IFF_NOARP;
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if (strcmp(*argv, "on") == 0) {
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req->i.ifi_flags &= ~IFF_NOARP;
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} else if (strcmp(*argv, "off") == 0) {
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req->i.ifi_flags |= IFF_NOARP;
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} else
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return on_off("noarp", *argv);
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} else if (strcmp(*argv, "vf") == 0) {
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struct rtattr *vflist;
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NEXT_ARG();
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if (get_integer(&vf, *argv, 0)) {
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invarg("Invalid \"vf\" value\n", *argv);
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}
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vflist = addattr_nest(&req->n, sizeof(*req),
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IFLA_VFINFO_LIST);
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len = iplink_parse_vf(vf, &argc, &argv, req);
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if (len < 0)
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return -1;
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addattr_nest_end(&req->n, vflist);
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} else if (matches(*argv, "master") == 0) {
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int ifindex;
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NEXT_ARG();
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ifindex = ll_name_to_index(*argv);
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if (!ifindex)
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invarg("Device does not exist\n", *argv);
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addattr_l(&req->n, sizeof(*req), IFLA_MASTER,
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&ifindex, 4);
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} else if (matches(*argv, "nomaster") == 0) {
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int ifindex = 0;
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addattr_l(&req->n, sizeof(*req), IFLA_MASTER,
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&ifindex, 4);
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} else if (matches(*argv, "dynamic") == 0) {
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NEXT_ARG();
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req->i.ifi_change |= IFF_DYNAMIC;
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if (strcmp(*argv, "on") == 0) {
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req->i.ifi_flags |= IFF_DYNAMIC;
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} else if (strcmp(*argv, "off") == 0) {
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req->i.ifi_flags &= ~IFF_DYNAMIC;
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} else
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return on_off("dynamic", *argv);
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} else if (matches(*argv, "alias") == 0) {
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NEXT_ARG();
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addattr_l(&req->n, sizeof(*req), IFLA_IFALIAS,
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*argv, strlen(*argv));
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argc--; argv++;
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break;
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} else if (strcmp(*argv, "group") == 0) {
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NEXT_ARG();
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if (*group != -1)
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duparg("group", *argv);
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if (rtnl_group_a2n(group, *argv))
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invarg("Invalid \"group\" value\n", *argv);
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} else if (strcmp(*argv, "mode") == 0) {
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int mode;
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NEXT_ARG();
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mode = get_link_mode(*argv);
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if (mode < 0)
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invarg("Invalid link mode\n", *argv);
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addattr8(&req->n, sizeof(*req), IFLA_LINKMODE, mode);
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} else if (strcmp(*argv, "state") == 0) {
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int state;
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NEXT_ARG();
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state = get_operstate(*argv);
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if (state < 0)
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invarg("Invalid operstate\n", *argv);
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addattr8(&req->n, sizeof(*req), IFLA_OPERSTATE, state);
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} else if (matches(*argv, "numtxqueues") == 0) {
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NEXT_ARG();
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if (numtxqueues != -1)
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duparg("numtxqueues", *argv);
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if (get_integer(&numtxqueues, *argv, 0))
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invarg("Invalid \"numtxqueues\" value\n", *argv);
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addattr_l(&req->n, sizeof(*req), IFLA_NUM_TX_QUEUES,
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&numtxqueues, 4);
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} else if (matches(*argv, "numrxqueues") == 0) {
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NEXT_ARG();
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if (numrxqueues != -1)
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duparg("numrxqueues", *argv);
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if (get_integer(&numrxqueues, *argv, 0))
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invarg("Invalid \"numrxqueues\" value\n", *argv);
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addattr_l(&req->n, sizeof(*req), IFLA_NUM_RX_QUEUES,
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&numrxqueues, 4);
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}
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#endif
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/* Return value becomes exitcode. It's okay to not return at all */
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int FAST_FUNC do_iplink(char **argv)
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{
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