#include <string.h>
#include <sys/ioctl.h>
#include <linux/sockios.h>
+#include <stdbool.h>
#include "rt_names.h"
#include "utils.h"
#include "ip_common.h"
+#include "namespace.h"
#define IPLINK_IOCTL_COMPAT 1
+#ifndef LIBDIR
+#define LIBDIR "/usr/lib"
+#endif
static void usage(void) __attribute__((noreturn));
+static int iplink_have_newlink(void);
void iplink_usage(void)
{
- fprintf(stderr, "Usage: ip link set DEVICE { up | down |\n");
- fprintf(stderr, " arp { on | off } |\n");
- fprintf(stderr, " dynamic { on | off } |\n");
- fprintf(stderr, " multicast { on | off } |\n");
- fprintf(stderr, " allmulticast { on | off } |\n");
- fprintf(stderr, " promisc { on | off } |\n");
- fprintf(stderr, " trailers { on | off } |\n");
- fprintf(stderr, " txqueuelen PACKETS |\n");
- fprintf(stderr, " name NEWNAME |\n");
- fprintf(stderr, " address LLADDR | broadcast LLADDR |\n");
- fprintf(stderr, " mtu MTU }\n");
- fprintf(stderr, " ip link show [ DEVICE ]\n");
+ if (iplink_have_newlink()) {
+ fprintf(stderr, "Usage: ip link add [link DEV] [ name ] NAME\n");
+ fprintf(stderr, " [ txqueuelen PACKETS ]\n");
+ fprintf(stderr, " [ address LLADDR ]\n");
+ fprintf(stderr, " [ broadcast LLADDR ]\n");
+ fprintf(stderr, " [ mtu MTU ] [index IDX ]\n");
+ fprintf(stderr, " [ numtxqueues QUEUE_COUNT ]\n");
+ fprintf(stderr, " [ numrxqueues QUEUE_COUNT ]\n");
+ fprintf(stderr, " type TYPE [ ARGS ]\n");
+ fprintf(stderr, " ip link delete { DEVICE | dev DEVICE | group DEVGROUP } type TYPE [ ARGS ]\n");
+ fprintf(stderr, "\n");
+ fprintf(stderr, " ip link set { DEVICE | dev DEVICE | group DEVGROUP } [ { up | down } ]\n");
+ } else
+ fprintf(stderr, "Usage: ip link set DEVICE [ { up | down } ]\n");
+
+ fprintf(stderr, " [ arp { on | off } ]\n");
+ fprintf(stderr, " [ dynamic { on | off } ]\n");
+ fprintf(stderr, " [ multicast { on | off } ]\n");
+ fprintf(stderr, " [ allmulticast { on | off } ]\n");
+ fprintf(stderr, " [ promisc { on | off } ]\n");
+ fprintf(stderr, " [ trailers { on | off } ]\n");
+ fprintf(stderr, " [ txqueuelen PACKETS ]\n");
+ fprintf(stderr, " [ name NEWNAME ]\n");
+ fprintf(stderr, " [ address LLADDR ]\n");
+ fprintf(stderr, " [ broadcast LLADDR ]\n");
+ fprintf(stderr, " [ mtu MTU ]\n");
+ fprintf(stderr, " [ netns PID ]\n");
+ fprintf(stderr, " [ netns NAME ]\n");
+ fprintf(stderr, " [ link-netnsid ID ]\n");
+ fprintf(stderr, " [ alias NAME ]\n");
+ fprintf(stderr, " [ vf NUM [ mac LLADDR ]\n");
+ fprintf(stderr, " [ vlan VLANID [ qos VLAN-QOS ] ]\n");
+
+ fprintf(stderr, " [ rate TXRATE ] ] \n");
+
+ fprintf(stderr, " [ spoofchk { on | off} ] ] \n");
+ fprintf(stderr, " [ query_rss { on | off} ] ] \n");
+ 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] [master DEV] [type TYPE]\n");
+
+ if (iplink_have_newlink()) {
+ fprintf(stderr, " ip link help [ TYPE ]\n");
+ fprintf(stderr, "\n");
+ fprintf(stderr, "TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | macvtap |\n");
+ fprintf(stderr, " bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan |\n");
+ fprintf(stderr, " gre | gretap | ip6gre | ip6gretap | vti | nlmon |\n");
+ fprintf(stderr, " bond_slave | ipvlan }\n");
+ }
exit(-1);
}
iplink_usage();
}
-static int on_off(char *msg)
+static int on_off(const char *msg, const char *realval)
{
- fprintf(stderr, "Error: argument of \"%s\" must be \"on\" or \"off\"\n", msg);
+ fprintf(stderr, "Error: argument of \"%s\" must be \"on\" or \"off\", not \"%s\"\n", msg, realval);
return -1;
}
static void *BODY; /* cached dlopen(NULL) handle */
static struct link_util *linkutil_list;
-struct link_util *get_link_kind(const char *id)
+static struct link_util *__get_link_kind(const char *id, bool slave)
{
void *dlh;
char buf[256];
struct link_util *l;
for (l = linkutil_list; l; l = l->next)
- if (strcmp(l->id, id) == 0)
+ if (strcmp(l->id, id) == 0 &&
+ l->slave == slave)
return l;
- snprintf(buf, sizeof(buf), "/usr/lib/ip/link_%s.so", id);
+ snprintf(buf, sizeof(buf), LIBDIR "/ip/link_%s.so", id);
dlh = dlopen(buf, RTLD_LAZY);
if (dlh == NULL) {
/* look in current binary, only open once */
}
}
- snprintf(buf, sizeof(buf), "%s_link_util", id);
+ if (slave)
+ snprintf(buf, sizeof(buf), "%s_slave_link_util", id);
+ else
+ snprintf(buf, sizeof(buf), "%s_link_util", id);
l = dlsym(dlh, buf);
if (l == NULL)
return NULL;
return l;
}
+struct link_util *get_link_kind(const char *id)
+{
+ return __get_link_kind(id, false);
+}
+
+struct link_util *get_link_slave_kind(const char *id)
+{
+ return __get_link_kind(id, true);
+}
+
+static int get_link_mode(const char *mode)
+{
+ if (strcasecmp(mode, "default") == 0)
+ return IF_LINK_MODE_DEFAULT;
+ if (strcasecmp(mode, "dormant") == 0)
+ return IF_LINK_MODE_DORMANT;
+ 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;
{
struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(n);
- if (n->nlmsg_type == NLMSG_ERROR && err->error == -EOPNOTSUPP)
+ if (n->nlmsg_type == NLMSG_ERROR &&
+ (err->error == -EOPNOTSUPP || err->error == -EINVAL))
have_rtnl_newlink = 0;
else
have_rtnl_newlink = 1;
req.n.nlmsg_type = RTM_NEWLINK;
req.i.ifi_family = AF_UNSPEC;
- rtnl_send(&rth, (char *)&req.n, req.n.nlmsg_len);
+ if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) {
+ perror("request send failed");
+ exit(1);
+ }
rtnl_listen(&rth, accept_msg, NULL);
}
return have_rtnl_newlink;
}
#endif /* ! IPLINK_IOCTL_COMPAT */
-static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv)
+struct iplink_req {
+ struct nlmsghdr n;
+ struct ifinfomsg i;
+ char buf[1024];
+};
+
+static int iplink_parse_vf(int vf, int *argcp, char ***argvp,
+ struct iplink_req *req, int dev_index)
{
+ char new_rate_api = 0, count = 0, override_legacy_rate = 0;
+ struct ifla_vf_rate tivt;
+ int len, argc = *argcp;
+ char **argv = *argvp;
+ struct rtattr *vfinfo;
+
+ tivt.min_tx_rate = -1;
+ tivt.max_tx_rate = -1;
+
+ vfinfo = addattr_nest(&req->n, sizeof(*req), IFLA_VF_INFO);
+
+ while (NEXT_ARG_OK()) {
+ NEXT_ARG();
+ count++;
+ if (!matches(*argv, "max_tx_rate")) {
+ /* new API in use */
+ new_rate_api = 1;
+ /* override legacy rate */
+ override_legacy_rate = 1;
+ } else if (!matches(*argv, "min_tx_rate")) {
+ /* new API in use */
+ new_rate_api = 1;
+ }
+ }
+
+ while (count--) {
+ /* rewind arg */
+ PREV_ARG();
+ }
+
+ while (NEXT_ARG_OK()) {
+ NEXT_ARG();
+ if (matches(*argv, "mac") == 0) {
+ struct ifla_vf_mac ivm;
+ NEXT_ARG();
+ ivm.vf = vf;
+ len = ll_addr_a2n((char *)ivm.mac, 32, *argv);
+ if (len < 0)
+ return -1;
+ addattr_l(&req->n, sizeof(*req), IFLA_VF_MAC, &ivm, sizeof(ivm));
+ } else if (matches(*argv, "vlan") == 0) {
+ struct ifla_vf_vlan ivv;
+ NEXT_ARG();
+ if (get_unsigned(&ivv.vlan, *argv, 0)) {
+ invarg("Invalid \"vlan\" value\n", *argv);
+ }
+ ivv.vf = vf;
+ ivv.qos = 0;
+ if (NEXT_ARG_OK()) {
+ NEXT_ARG();
+ if (matches(*argv, "qos") == 0) {
+ NEXT_ARG();
+ if (get_unsigned(&ivv.qos, *argv, 0)) {
+ invarg("Invalid \"qos\" value\n", *argv);
+ }
+ } else {
+ /* rewind arg */
+ PREV_ARG();
+ }
+ }
+ addattr_l(&req->n, sizeof(*req), IFLA_VF_VLAN, &ivv, sizeof(ivv));
+ } else if (matches(*argv, "rate") == 0) {
+ struct ifla_vf_tx_rate ivt;
+ NEXT_ARG();
+ if (get_unsigned(&ivt.rate, *argv, 0)) {
+ invarg("Invalid \"rate\" value\n", *argv);
+ }
+ ivt.vf = vf;
+ if (!new_rate_api)
+ addattr_l(&req->n, sizeof(*req),
+ IFLA_VF_TX_RATE, &ivt, sizeof(ivt));
+ else if (!override_legacy_rate)
+ tivt.max_tx_rate = ivt.rate;
+
+ } else if (matches(*argv, "max_tx_rate") == 0) {
+ NEXT_ARG();
+ if (get_unsigned(&tivt.max_tx_rate, *argv, 0))
+ invarg("Invalid \"max tx rate\" value\n",
+ *argv);
+ tivt.vf = vf;
+
+ } else if (matches(*argv, "min_tx_rate") == 0) {
+ NEXT_ARG();
+ if (get_unsigned(&tivt.min_tx_rate, *argv, 0))
+ invarg("Invalid \"min tx rate\" value\n",
+ *argv);
+ tivt.vf = vf;
+
+ } else if (matches(*argv, "spoofchk") == 0) {
+ struct ifla_vf_spoofchk ivs;
+ NEXT_ARG();
+ if (matches(*argv, "on") == 0)
+ ivs.setting = 1;
+ else if (matches(*argv, "off") == 0)
+ ivs.setting = 0;
+ else
+ invarg("Invalid \"spoofchk\" value\n", *argv);
+ ivs.vf = vf;
+ addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK, &ivs, sizeof(ivs));
+
+ } else if (matches(*argv, "query_rss") == 0) {
+ struct ifla_vf_rss_query_en ivs;
+ NEXT_ARG();
+ if (matches(*argv, "on") == 0)
+ ivs.setting = 1;
+ else if (matches(*argv, "off") == 0)
+ ivs.setting = 0;
+ else
+ invarg("Invalid \"query_rss\" value\n", *argv);
+ ivs.vf = vf;
+ addattr_l(&req->n, sizeof(*req), IFLA_VF_RSS_QUERY_EN, &ivs, sizeof(ivs));
+
+ } else if (matches(*argv, "state") == 0) {
+ struct ifla_vf_link_state ivl;
+ NEXT_ARG();
+ if (matches(*argv, "auto") == 0)
+ ivl.link_state = IFLA_VF_LINK_STATE_AUTO;
+ else if (matches(*argv, "enable") == 0)
+ ivl.link_state = IFLA_VF_LINK_STATE_ENABLE;
+ else if (matches(*argv, "disable") == 0)
+ ivl.link_state = IFLA_VF_LINK_STATE_DISABLE;
+ else
+ invarg("Invalid \"state\" value\n", *argv);
+ ivl.vf = vf;
+ addattr_l(&req->n, sizeof(*req), IFLA_VF_LINK_STATE, &ivl, sizeof(ivl));
+ } else {
+ /* rewind arg */
+ PREV_ARG();
+ break;
+ }
+ }
+
+ if (new_rate_api) {
+ int tmin, tmax;
+
+ if (tivt.min_tx_rate == -1 || tivt.max_tx_rate == -1) {
+ ipaddr_get_vf_rate(tivt.vf, &tmin, &tmax, dev_index);
+ if (tivt.min_tx_rate == -1)
+ tivt.min_tx_rate = tmin;
+ if (tivt.max_tx_rate == -1)
+ tivt.max_tx_rate = tmax;
+ }
+ addattr_l(&req->n, sizeof(*req), IFLA_VF_RATE, &tivt,
+ sizeof(tivt));
+ }
+
+ if (argc == *argcp)
+ incomplete_command();
+
+ addattr_nest_end(&req->n, vfinfo);
+
+ *argcp = argc;
+ *argvp = argv;
+ return 0;
+}
+
+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 len;
- char abuf[32];
- char *dev = NULL;
- char *name = NULL;
- char *link = NULL;
- char *type = NULL;
- struct link_util *lu = NULL;
- struct {
- struct nlmsghdr n;
- struct ifinfomsg i;
- char buf[1024];
- } req;
+ int netns = -1;
+ int vf = -1;
+ int numtxqueues = -1;
+ int numrxqueues = -1;
+ int dev_index = 0;
+ int link_netnsid = -1;
- memset(&req, 0, sizeof(req));
-
- req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
- req.n.nlmsg_flags = NLM_F_REQUEST|flags;
- req.n.nlmsg_type = cmd;
- req.i.ifi_family = preferred_family;
+ *group = -1;
+ ret = argc;
while (argc > 0) {
if (strcmp(*argv, "up") == 0) {
- req.i.ifi_change |= IFF_UP;
- req.i.ifi_flags |= IFF_UP;
+ 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;
+ req->i.ifi_change |= IFF_UP;
+ req->i.ifi_flags &= ~IFF_UP;
} else if (strcmp(*argv, "name") == 0) {
NEXT_ARG();
- name = *argv;
+ *name = *argv;
+ } else if (strcmp(*argv, "index") == 0) {
+ NEXT_ARG();
+ *index = atoi(*argv);
+ if (*index < 0)
+ invarg("Invalid \"index\" value", *argv);
} else if (matches(*argv, "link") == 0) {
NEXT_ARG();
- link = *argv;
+ *link = *argv;
} else if (matches(*argv, "address") == 0) {
NEXT_ARG();
len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
- addattr_l(&req.n, sizeof(req), IFLA_ADDRESS, abuf, len);
+ 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) {
+ strcmp(*argv, "brd") == 0) {
NEXT_ARG();
len = ll_addr_a2n(abuf, sizeof(abuf), *argv);
- addattr_l(&req.n, sizeof(req), IFLA_BROADCAST, abuf, len);
+ 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) {
+ 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);
+ 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);
+ 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 = netns_get_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;
+ req->i.ifi_change |= IFF_MULTICAST;
if (strcmp(*argv, "on") == 0) {
- req.i.ifi_flags |= IFF_MULTICAST;
+ req->i.ifi_flags |= IFF_MULTICAST;
} else if (strcmp(*argv, "off") == 0) {
- req.i.ifi_flags &= ~IFF_MULTICAST;
+ req->i.ifi_flags &= ~IFF_MULTICAST;
} else
- return on_off("multicast");
+ return on_off("multicast", *argv);
} else if (strcmp(*argv, "allmulticast") == 0) {
NEXT_ARG();
- req.i.ifi_change |= IFF_ALLMULTI;
+ req->i.ifi_change |= IFF_ALLMULTI;
if (strcmp(*argv, "on") == 0) {
- req.i.ifi_flags |= IFF_ALLMULTI;
+ req->i.ifi_flags |= IFF_ALLMULTI;
} else if (strcmp(*argv, "off") == 0) {
- req.i.ifi_flags &= ~IFF_ALLMULTI;
+ req->i.ifi_flags &= ~IFF_ALLMULTI;
} else
- return on_off("allmulticast");
+ return on_off("allmulticast", *argv);
} else if (strcmp(*argv, "promisc") == 0) {
NEXT_ARG();
- req.i.ifi_change |= IFF_PROMISC;
+ req->i.ifi_change |= IFF_PROMISC;
if (strcmp(*argv, "on") == 0) {
- req.i.ifi_flags |= IFF_PROMISC;
+ req->i.ifi_flags |= IFF_PROMISC;
} else if (strcmp(*argv, "off") == 0) {
- req.i.ifi_flags &= ~IFF_PROMISC;
+ req->i.ifi_flags &= ~IFF_PROMISC;
} else
- return on_off("promisc");
+ return on_off("promisc", *argv);
} else if (strcmp(*argv, "trailers") == 0) {
NEXT_ARG();
- req.i.ifi_change |= IFF_NOTRAILERS;
+ req->i.ifi_change |= IFF_NOTRAILERS;
if (strcmp(*argv, "off") == 0) {
- req.i.ifi_flags |= IFF_NOTRAILERS;
+ req->i.ifi_flags |= IFF_NOTRAILERS;
} else if (strcmp(*argv, "on") == 0) {
- req.i.ifi_flags &= ~IFF_NOTRAILERS;
+ req->i.ifi_flags &= ~IFF_NOTRAILERS;
} else
- return on_off("trailers");
+ return on_off("trailers", *argv);
} else if (strcmp(*argv, "arp") == 0) {
NEXT_ARG();
- req.i.ifi_change |= IFF_NOARP;
+ req->i.ifi_change |= IFF_NOARP;
if (strcmp(*argv, "on") == 0) {
- req.i.ifi_flags &= ~IFF_NOARP;
+ req->i.ifi_flags &= ~IFF_NOARP;
} else if (strcmp(*argv, "off") == 0) {
- req.i.ifi_flags |= IFF_NOARP;
+ req->i.ifi_flags |= IFF_NOARP;
} else
- return on_off("noarp");
-#ifdef IFF_DYNAMIC
+ 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;
+ req->i.ifi_change |= IFF_DYNAMIC;
if (strcmp(*argv, "on") == 0) {
- req.i.ifi_flags |= IFF_DYNAMIC;
+ req->i.ifi_flags |= IFF_DYNAMIC;
} else if (strcmp(*argv, "off") == 0) {
- req.i.ifi_flags &= ~IFF_DYNAMIC;
+ req->i.ifi_flags &= ~IFF_DYNAMIC;
} else
- return on_off("dynamic");
-#endif
+ return on_off("dynamic", *argv);
} else if (matches(*argv, "type") == 0) {
NEXT_ARG();
- type = *argv;
+ *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 (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 (matches(*argv, "link-netnsid") == 0) {
+ NEXT_ARG();
+ if (link_netnsid != -1)
+ duparg("link-netnsid", *argv);
+ if (get_integer(&link_netnsid, *argv, 0))
+ invarg("Invalid \"link-netnsid\" value\n", *argv);
+ addattr32(&req->n, sizeof(*req), IFLA_LINK_NETNSID,
+ link_netnsid);
} else {
- if (strcmp(*argv, "dev") == 0) {
+ if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
}
- if (dev)
+ if (matches(*argv, "help") == 0)
+ usage();
+ if (*dev)
duparg2("dev", *argv);
- dev = *argv;
+ *dev = *argv;
+ dev_index = ll_name_to_index(*dev);
}
argc--; argv++;
}
- ll_init_map(&rth);
+ return ret - argc;
+}
- if (type) {
- struct rtattr *linkinfo = NLMSG_TAIL(&req.n);
- addattr_l(&req.n, sizeof(req), IFLA_LINKINFO, NULL, 0);
- addattr_l(&req.n, sizeof(req), IFLA_INFO_KIND, type,
- strlen(type));
+static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv)
+{
+ int len;
+ char *dev = NULL;
+ char *name = NULL;
+ char *link = NULL;
+ char *type = NULL;
+ int index = -1;
+ int group;
+ struct link_util *lu = NULL;
+ struct iplink_req req;
+ int ret;
- lu = get_link_kind(type);
- if (lu && argc) {
- struct rtattr * data = NLMSG_TAIL(&req.n);
- addattr_l(&req.n, sizeof(req), IFLA_INFO_DATA, NULL, 0);
+ memset(&req, 0, sizeof(req));
- if (lu->parse_opt &&
- lu->parse_opt(lu, argc, argv, &req.n))
+ req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
+ req.n.nlmsg_flags = NLM_F_REQUEST|flags;
+ req.n.nlmsg_type = cmd;
+ req.i.ifi_family = preferred_family;
+
+ ret = iplink_parse(argc, argv, &req, &name, &type, &link, &dev, &group, &index);
+ if (ret < 0)
+ return ret;
+
+ argc -= ret;
+ argv += ret;
+
+ if (group != -1) {
+ if (dev)
+ addattr_l(&req.n, sizeof(req), IFLA_GROUP,
+ &group, sizeof(group));
+ else {
+ if (argc) {
+ fprintf(stderr, "Garbage instead of arguments "
+ "\"%s ...\". Try \"ip link "
+ "help\".\n", *argv);
return -1;
+ }
+ if (flags & NLM_F_CREATE) {
+ fprintf(stderr, "group cannot be used when "
+ "creating devices.\n");
+ return -1;
+ }
- data->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)data;
- } else if (argc) {
- if (matches(*argv, "help") == 0)
- usage();
- fprintf(stderr, "Garbage instead of arguments \"%s ...\". "
- "Try \"ip link help\".\n", *argv);
- return -1;
+ req.i.ifi_index = 0;
+ addattr32(&req.n, sizeof(req), IFLA_GROUP, group);
+ if (rtnl_talk(&rth, &req.n, NULL, 0) < 0)
+ exit(2);
+ return 0;
}
- linkinfo->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)linkinfo;
}
if (!(flags & NLM_F_CREATE)) {
"argument is required.\n");
exit(-1);
}
+ if (cmd == RTM_NEWLINK && index != -1) {
+ fprintf(stderr, "index can be used only when "
+ "creating devices.\n");
+ exit(-1);
+ }
req.i.ifi_index = ll_name_to_index(dev);
if (req.i.ifi_index == 0) {
}
addattr_l(&req.n, sizeof(req), IFLA_LINK, &ifindex, 4);
}
+
+ if (index == -1)
+ req.i.ifi_index = 0;
+ else
+ req.i.ifi_index = index;
}
if (name) {
addattr_l(&req.n, sizeof(req), IFLA_IFNAME, name, len);
}
- if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0)
+ if (type) {
+ struct rtattr *linkinfo;
+ char slavebuf[128], *ulinep = strchr(type, '_');
+ int iflatype;
+
+ linkinfo = addattr_nest(&req.n, sizeof(req), IFLA_LINKINFO);
+ addattr_l(&req.n, sizeof(req), IFLA_INFO_KIND, type,
+ strlen(type));
+
+ if (ulinep && !strcmp(ulinep, "_slave")) {
+ strncpy(slavebuf, type, sizeof(slavebuf));
+ slavebuf[sizeof(slavebuf) - 1] = '\0';
+ ulinep = strchr(slavebuf, '_');
+ /* check in case it was after sizeof(slavebuf) - 1*/
+ if (ulinep)
+ *ulinep = '\0';
+ lu = get_link_slave_kind(slavebuf);
+ iflatype = IFLA_INFO_SLAVE_DATA;
+ } else {
+ lu = get_link_kind(type);
+ iflatype = IFLA_INFO_DATA;
+ }
+ if (lu && argc) {
+ struct rtattr *data = addattr_nest(&req.n, sizeof(req), iflatype);
+
+ if (lu->parse_opt &&
+ lu->parse_opt(lu, argc, argv, &req.n))
+ return -1;
+
+ addattr_nest_end(&req.n, data);
+ } else if (argc) {
+ if (matches(*argv, "help") == 0)
+ usage();
+ fprintf(stderr, "Garbage instead of arguments \"%s ...\". "
+ "Try \"ip link help\".\n", *argv);
+ return -1;
+ }
+ addattr_nest_end(&req.n, linkinfo);
+ } else if (flags & NLM_F_CREATE) {
+ fprintf(stderr, "Not enough information: \"type\" argument "
+ "is required\n");
+ return -1;
+ }
+
+ if (rtnl_talk(&rth, &req.n, NULL, 0) < 0)
exit(2);
return 0;
}
+int iplink_get(unsigned int flags, char *name, __u32 filt_mask)
+{
+ int len;
+ struct iplink_req req;
+ struct {
+ struct nlmsghdr n;
+ char buf[16384];
+ } answer;
+
+ memset(&req, 0, sizeof(req));
+
+ req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
+ req.n.nlmsg_flags = NLM_F_REQUEST|flags;
+ req.n.nlmsg_type = RTM_GETLINK;
+ req.i.ifi_family = preferred_family;
+
+ if (name) {
+ len = strlen(name) + 1;
+ if (len == 1)
+ invarg("\"\" is not a valid device identifier\n",
+ "name");
+ if (len > IFNAMSIZ)
+ invarg("\"name\" too long\n", name);
+ addattr_l(&req.n, sizeof(req), IFLA_IFNAME, name, len);
+ }
+ addattr32(&req.n, sizeof(req), IFLA_EXT_MASK, filt_mask);
+
+ if (rtnl_talk(&rth, &req.n, &answer.n, sizeof(answer)) < 0)
+ return -2;
+
+ print_linkinfo(NULL, &answer.n, stdout);
+
+ return 0;
+}
+
#if IPLINK_IOCTL_COMPAT
static int get_ctl_fd(void)
{
return 0;
}
-
static int do_set(int argc, char **argv)
{
char *dev = NULL;
} else if (strcmp(*argv, "off") == 0) {
flags &= ~IFF_MULTICAST;
} else
- return on_off("multicast");
+ return on_off("multicast", *argv);
} else if (strcmp(*argv, "allmulticast") == 0) {
NEXT_ARG();
mask |= IFF_ALLMULTI;
} else if (strcmp(*argv, "off") == 0) {
flags &= ~IFF_ALLMULTI;
} else
- return on_off("allmulticast");
+ return on_off("allmulticast", *argv);
} else if (strcmp(*argv, "promisc") == 0) {
NEXT_ARG();
mask |= IFF_PROMISC;
} else if (strcmp(*argv, "off") == 0) {
flags &= ~IFF_PROMISC;
} else
- return on_off("promisc");
+ return on_off("promisc", *argv);
} else if (strcmp(*argv, "trailers") == 0) {
NEXT_ARG();
mask |= IFF_NOTRAILERS;
} else if (strcmp(*argv, "on") == 0) {
flags &= ~IFF_NOTRAILERS;
} else
- return on_off("trailers");
+ return on_off("trailers", *argv);
} else if (strcmp(*argv, "arp") == 0) {
NEXT_ARG();
mask |= IFF_NOARP;
} else if (strcmp(*argv, "off") == 0) {
flags |= IFF_NOARP;
} else
- return on_off("noarp");
-#ifdef IFF_DYNAMIC
+ return on_off("noarp", *argv);
} else if (matches(*argv, "dynamic") == 0) {
NEXT_ARG();
mask |= IFF_DYNAMIC;
} else if (strcmp(*argv, "off") == 0) {
flags &= ~IFF_DYNAMIC;
} else
- return on_off("dynamic");
-#endif
+ return on_off("dynamic", *argv);
} else {
- if (strcmp(*argv, "dev") == 0) {
+ if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
}
if (matches(*argv, "help") == 0)
}
#endif /* IPLINK_IOCTL_COMPAT */
+static void do_help(int argc, char **argv)
+{
+ struct link_util *lu = NULL;
+
+ if (argc <= 0) {
+ usage();
+ return ;
+ }
+
+ lu = get_link_kind(*argv);
+
+ if (lu && lu->print_help)
+ lu->print_help(lu, argc-1, argv+1, stdout);
+ else
+ usage();
+}
+
int do_iplink(int argc, char **argv)
{
if (argc > 0) {
matches(*argv, "lst") == 0 ||
matches(*argv, "list") == 0)
return ipaddr_list_link(argc-1, argv+1);
- if (matches(*argv, "help") == 0)
- usage();
+ if (matches(*argv, "help") == 0) {
+ do_help(argc-1, argv+1);
+ return 0;
+ }
} else
return ipaddr_list_link(0, NULL);
projects / mirror_iproute2.git / blobdiff