Add macvlan support
This patch add support for kernel macvlan interfaces. Signed-off-by: Michael Braun <michael-dev@fami-braun.de>
This commit is contained in:
Michael Braun
parent
807fddc4cd
commit
c76393e203
7 changed files with 536 additions and 1 deletions
|
|
@ -706,6 +706,63 @@ if ((err = rtnl_link_add(sk, link, NLM_F_CREATE)) < 0)
|
|||
rtnl_link_put(link);
|
||||
-----
|
||||
|
||||
[[link_macvlan]]
|
||||
==== MACVLAN
|
||||
|
||||
[source,c]
|
||||
-----
|
||||
extern struct rtnl_link *rtnl_link_macvlan_alloc(void);
|
||||
|
||||
extern int rtnl_link_is_macvlan(struct rtnl_link *);
|
||||
|
||||
extern char * rtnl_link_macvlan_mode2str(int, char *, size_t);
|
||||
extern int rtnl_link_macvlan_str2mode(const char *);
|
||||
|
||||
extern char * rtnl_link_macvlan_flags2str(int, char *, size_t);
|
||||
extern int rtnl_link_macvlan_str2flags(const char *);
|
||||
|
||||
extern int rtnl_link_macvlan_set_mode(struct rtnl_link *,
|
||||
uint32_t);
|
||||
extern uint32_t rtnl_link_macvlan_get_mode(struct rtnl_link *);
|
||||
|
||||
extern int rtnl_link_macvlan_set_flags(struct rtnl_link *,
|
||||
uint16_t);
|
||||
extern int rtnl_link_macvlan_unset_flags(struct rtnl_link *,
|
||||
uint16_t);
|
||||
extern uint16_t rtnl_link_macvlan_get_flags(struct rtnl_link *);
|
||||
-----
|
||||
|
||||
.Example: Add a MACVLAN device
|
||||
[source,c]
|
||||
-----
|
||||
struct rtnl_link *link;
|
||||
int master_index;
|
||||
struct nl_addr* addr;
|
||||
|
||||
/* lookup interface index of eth0 */
|
||||
if (!(master_index = rtnl_link_name2i(link_cache, "eth0")))
|
||||
/* error */
|
||||
|
||||
/* allocate new link object of type macvlan */
|
||||
link = rtnl_link_macvlan_alloc();
|
||||
|
||||
/* set eth0 to be our master device */
|
||||
rtnl_link_set_link(link, master_index);
|
||||
|
||||
/* set address of virtual interface */
|
||||
addr = nl_addr_build(AF_LLC, ether_aton("00:11:22:33:44:55"), ETH_ALEN);
|
||||
rtnl_link_set_addr(link, addr);
|
||||
nl_addr_put(addr);
|
||||
|
||||
/* set mode of virtual interface */
|
||||
rtnl_link_macvlan_set_mode(link, rtnl_link_macvlan_str2mode("bridge"));
|
||||
|
||||
if ((err = rtnl_link_add(sk, link, NLM_F_CREATE)) < 0)
|
||||
/* error */
|
||||
|
||||
rtnl_link_put(link);
|
||||
-----
|
||||
|
||||
== Neighbouring
|
||||
|
||||
== Routing
|
||||
|
|
|
|||
|
|
@ -46,6 +46,7 @@ nobase_libnlinclude_HEADERS = \
|
|||
netlink/route/link/can.h \
|
||||
netlink/route/link/inet.h \
|
||||
netlink/route/link/vlan.h \
|
||||
netlink/route/link/macvlan.h \
|
||||
netlink/route/qdisc/cbq.h \
|
||||
netlink/route/qdisc/dsmark.h \
|
||||
netlink/route/qdisc/fifo.h \
|
||||
|
|
|
|||
46
include/netlink/route/link/macvlan.h
Normal file
46
include/netlink/route/link/macvlan.h
Normal file
|
|
@ -0,0 +1,46 @@
|
|||
/*
|
||||
* netlink/route/link/macvlan.h MACVLAN interface
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation version 2.1
|
||||
* of the License.
|
||||
*
|
||||
* Copyright (c) 2013 Michael Braun <michael-dev@fami-braun.de>
|
||||
*/
|
||||
|
||||
#ifndef NETLINK_LINK_MACVLAN_H_
|
||||
#define NETLINK_LINK_MACVLAN_H_
|
||||
|
||||
#include <netlink/netlink.h>
|
||||
#include <netlink/route/link.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern struct rtnl_link *rtnl_link_macvlan_alloc(void);
|
||||
|
||||
extern int rtnl_link_is_macvlan(struct rtnl_link *);
|
||||
|
||||
extern char * rtnl_link_macvlan_mode2str(int, char *, size_t);
|
||||
extern int rtnl_link_macvlan_str2mode(const char *);
|
||||
|
||||
extern char * rtnl_link_macvlan_flags2str(int, char *, size_t);
|
||||
extern int rtnl_link_macvlan_str2flags(const char *);
|
||||
|
||||
extern int rtnl_link_macvlan_set_mode(struct rtnl_link *,
|
||||
uint32_t);
|
||||
extern uint32_t rtnl_link_macvlan_get_mode(struct rtnl_link *);
|
||||
|
||||
extern int rtnl_link_macvlan_set_flags(struct rtnl_link *,
|
||||
uint16_t);
|
||||
extern int rtnl_link_macvlan_unset_flags(struct rtnl_link *,
|
||||
uint16_t);
|
||||
extern uint16_t rtnl_link_macvlan_get_flags(struct rtnl_link *);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
|
@ -69,7 +69,7 @@ libnl_route_3_la_SOURCES = \
|
|||
\
|
||||
route/link/api.c route/link/vlan.c route/link/dummy.c \
|
||||
route/link/bridge.c route/link/inet6.c route/link/inet.c \
|
||||
route/link/bonding.c route/link/can.c \
|
||||
route/link/bonding.c route/link/can.c route/link/macvlan.c \
|
||||
\
|
||||
route/qdisc/blackhole.c route/qdisc/cbq.c route/qdisc/dsmark.c \
|
||||
route/qdisc/fifo.c route/qdisc/htb.c route/qdisc/netem.c \
|
||||
|
|
|
|||
367
lib/route/link/macvlan.c
Normal file
367
lib/route/link/macvlan.c
Normal file
|
|
@ -0,0 +1,367 @@
|
|||
/*
|
||||
* lib/route/link/macvlan.c MACVLAN Link Info
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation version 2.1
|
||||
* of the License.
|
||||
*
|
||||
* Copyright (c) 2013 Michael Braun <michael-dev@fami-braun.de>
|
||||
*/
|
||||
|
||||
/**
|
||||
* @ingroup link
|
||||
* @defgroup macvlan MACVLAN
|
||||
* MAC-based Virtual LAN link module
|
||||
*
|
||||
* @details
|
||||
* \b Link Type Name: "macvlan"
|
||||
*
|
||||
* @route_doc{link_macvlan, MACVLAN Documentation}
|
||||
*
|
||||
* @{
|
||||
*/
|
||||
|
||||
#include <netlink-private/netlink.h>
|
||||
#include <netlink/netlink.h>
|
||||
#include <netlink/attr.h>
|
||||
#include <netlink/utils.h>
|
||||
#include <netlink/object.h>
|
||||
#include <netlink/route/rtnl.h>
|
||||
#include <netlink-private/route/link/api.h>
|
||||
#include <netlink/route/link/macvlan.h>
|
||||
|
||||
#include <linux/if_link.h>
|
||||
|
||||
/** @cond SKIP */
|
||||
#define MACVLAN_HAS_MODE (1<<0)
|
||||
#define MACVLAN_HAS_FLAGS (1<<1)
|
||||
|
||||
struct macvlan_info
|
||||
{
|
||||
uint32_t mvi_mode;
|
||||
uint16_t mvi_flags; // there currently is only one flag and kernel has no flags_mask yet
|
||||
uint32_t mvi_mask;
|
||||
};
|
||||
|
||||
/** @endcond */
|
||||
|
||||
static struct nla_policy macvlan_policy[IFLA_MACVLAN_MAX+1] = {
|
||||
[IFLA_MACVLAN_MODE] = { .type = NLA_U32 },
|
||||
[IFLA_MACVLAN_FLAGS] = { .type = NLA_U16 },
|
||||
};
|
||||
|
||||
static int macvlan_alloc(struct rtnl_link *link)
|
||||
{
|
||||
struct macvlan_info *mvi;
|
||||
|
||||
if ((mvi = calloc(1, sizeof(*mvi))) == NULL)
|
||||
return -NLE_NOMEM;
|
||||
|
||||
link->l_info = mvi;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int macvlan_parse(struct rtnl_link *link, struct nlattr *data,
|
||||
struct nlattr *xstats)
|
||||
{
|
||||
struct nlattr *tb[IFLA_MACVLAN_MAX+1];
|
||||
struct macvlan_info *mvi;
|
||||
int err;
|
||||
|
||||
NL_DBG(3, "Parsing MACVLAN link info");
|
||||
|
||||
if ((err = nla_parse_nested(tb, IFLA_MACVLAN_MAX, data, macvlan_policy)) < 0)
|
||||
goto errout;
|
||||
|
||||
if ((err = macvlan_alloc(link)) < 0)
|
||||
goto errout;
|
||||
|
||||
mvi = link->l_info;
|
||||
|
||||
if (tb[IFLA_MACVLAN_MODE]) {
|
||||
mvi->mvi_mode = nla_get_u32(tb[IFLA_MACVLAN_MODE]);
|
||||
mvi->mvi_mask |= MACVLAN_HAS_MODE;
|
||||
}
|
||||
|
||||
if (tb[IFLA_MACVLAN_FLAGS]) {
|
||||
mvi->mvi_mode = nla_get_u16(tb[IFLA_MACVLAN_FLAGS]);
|
||||
mvi->mvi_mask |= MACVLAN_HAS_FLAGS;
|
||||
}
|
||||
|
||||
err = 0;
|
||||
errout:
|
||||
return err;
|
||||
}
|
||||
|
||||
static void macvlan_free(struct rtnl_link *link)
|
||||
{
|
||||
free(link->l_info);
|
||||
link->l_info = NULL;
|
||||
}
|
||||
|
||||
static void macvlan_dump(struct rtnl_link *link, struct nl_dump_params *p)
|
||||
{
|
||||
char buf[64];
|
||||
struct macvlan_info *mvi = link->l_info;
|
||||
|
||||
if (mvi->mvi_mask & MACVLAN_HAS_MODE) {
|
||||
rtnl_link_macvlan_mode2str(mvi->mvi_mode, buf, sizeof(buf));
|
||||
nl_dump(p, "macvlan-mode %s", buf);
|
||||
}
|
||||
|
||||
if (mvi->mvi_mask & MACVLAN_HAS_FLAGS) {
|
||||
rtnl_link_macvlan_flags2str(mvi->mvi_flags, buf, sizeof(buf));
|
||||
nl_dump(p, "macvlan-flags %s", buf);
|
||||
}
|
||||
}
|
||||
|
||||
static int macvlan_clone(struct rtnl_link *dst, struct rtnl_link *src)
|
||||
{
|
||||
struct macvlan_info *vdst, *vsrc = src->l_info;
|
||||
int err;
|
||||
|
||||
dst->l_info = NULL;
|
||||
if ((err = rtnl_link_set_type(dst, "macvlan")) < 0)
|
||||
return err;
|
||||
vdst = dst->l_info;
|
||||
|
||||
if (!vdst || !vsrc)
|
||||
return -NLE_NOMEM;
|
||||
|
||||
memcpy(vdst, vsrc, sizeof(struct macvlan_info));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int macvlan_put_attrs(struct nl_msg *msg, struct rtnl_link *link)
|
||||
{
|
||||
struct macvlan_info *mvi = link->l_info;
|
||||
struct nlattr *data;
|
||||
|
||||
if (!(data = nla_nest_start(msg, IFLA_INFO_DATA)))
|
||||
return -NLE_MSGSIZE;
|
||||
|
||||
if (mvi->mvi_mask & MACVLAN_HAS_MODE)
|
||||
NLA_PUT_U32(msg, IFLA_MACVLAN_MODE, mvi->mvi_mode);
|
||||
|
||||
if (mvi->mvi_mask & MACVLAN_HAS_FLAGS)
|
||||
NLA_PUT_U16(msg, IFLA_MACVLAN_FLAGS, mvi->mvi_flags);
|
||||
|
||||
nla_nest_end(msg, data);
|
||||
|
||||
nla_put_failure:
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct rtnl_link_info_ops macvlan_info_ops = {
|
||||
.io_name = "macvlan",
|
||||
.io_alloc = macvlan_alloc,
|
||||
.io_parse = macvlan_parse,
|
||||
.io_dump = {
|
||||
[NL_DUMP_LINE] = macvlan_dump,
|
||||
[NL_DUMP_DETAILS] = macvlan_dump,
|
||||
},
|
||||
.io_clone = macvlan_clone,
|
||||
.io_put_attrs = macvlan_put_attrs,
|
||||
.io_free = macvlan_free,
|
||||
};
|
||||
|
||||
/** @cond SKIP */
|
||||
#define IS_MACVLAN_LINK_ASSERT(link) \
|
||||
if ((link)->l_info_ops != &macvlan_info_ops) { \
|
||||
APPBUG("Link is not a macvlan link. set type \"macvlan\" first."); \
|
||||
return -NLE_OPNOTSUPP; \
|
||||
}
|
||||
/** @endcond */
|
||||
|
||||
/**
|
||||
* @name MACVLAN Object
|
||||
* @{
|
||||
*/
|
||||
|
||||
/**
|
||||
* Allocate link object of type MACVLAN
|
||||
*
|
||||
* @return Allocated link object or NULL.
|
||||
*/
|
||||
struct rtnl_link *rtnl_link_macvlan_alloc(void)
|
||||
{
|
||||
struct rtnl_link *link;
|
||||
int err;
|
||||
|
||||
if (!(link = rtnl_link_alloc()))
|
||||
return NULL;
|
||||
|
||||
if ((err = rtnl_link_set_type(link, "macvlan")) < 0) {
|
||||
rtnl_link_put(link);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return link;
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if link is a MACVLAN link
|
||||
* @arg link Link object
|
||||
*
|
||||
* @return True if link is a MACVLAN link, otherwise false is returned.
|
||||
*/
|
||||
int rtnl_link_is_macvlan(struct rtnl_link *link)
|
||||
{
|
||||
return link->l_info_ops && !strcmp(link->l_info_ops->io_name, "macvlan");
|
||||
}
|
||||
|
||||
/**
|
||||
* Set MACVLAN MODE
|
||||
* @arg link Link object
|
||||
* @arg mode MACVLAN mode
|
||||
*
|
||||
* @return 0 on success or a negative error code
|
||||
*/
|
||||
int rtnl_link_macvlan_set_mode(struct rtnl_link *link, uint32_t mode)
|
||||
{
|
||||
struct macvlan_info *mvi = link->l_info;
|
||||
|
||||
IS_MACVLAN_LINK_ASSERT(link);
|
||||
|
||||
mvi->mvi_mode = mode;
|
||||
mvi->mvi_mask |= MACVLAN_HAS_MODE;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get MACVLAN Mode
|
||||
* @arg link Link object
|
||||
*
|
||||
* @return MACVLAN mode, 0 if not set or a negative error code.
|
||||
*/
|
||||
uint32_t rtnl_link_macvlan_get_mode(struct rtnl_link *link)
|
||||
{
|
||||
struct macvlan_info *mvi = link->l_info;
|
||||
|
||||
IS_MACVLAN_LINK_ASSERT(link);
|
||||
|
||||
if (mvi->mvi_mask & MACVLAN_HAS_MODE)
|
||||
return mvi->mvi_mode;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Set MACVLAN flags
|
||||
* @arg link Link object
|
||||
* @arg flags MACVLAN flags
|
||||
*
|
||||
* @return 0 on success or a negative error code.
|
||||
*/
|
||||
int rtnl_link_macvlan_set_flags(struct rtnl_link *link, uint16_t flags)
|
||||
{
|
||||
struct macvlan_info *mvi = link->l_info;
|
||||
|
||||
IS_MACVLAN_LINK_ASSERT(link);
|
||||
|
||||
mvi->mvi_flags |= flags;
|
||||
mvi->mvi_mask |= MACVLAN_HAS_FLAGS;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Unset MACVLAN flags
|
||||
* @arg link Link object
|
||||
* @arg flags MACVLAN flags
|
||||
*
|
||||
* Note: kernel currently only has a single flag and lacks flags_mask to
|
||||
* indicate which flags shall be changed (it always all).
|
||||
*
|
||||
* @return 0 on success or a negative error code.
|
||||
*/
|
||||
int rtnl_link_macvlan_unset_flags(struct rtnl_link *link, uint16_t flags)
|
||||
{
|
||||
struct macvlan_info *mvi = link->l_info;
|
||||
|
||||
IS_MACVLAN_LINK_ASSERT(link);
|
||||
|
||||
mvi->mvi_flags &= ~flags;
|
||||
mvi->mvi_mask |= MACVLAN_HAS_FLAGS;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get MACVLAN flags
|
||||
* @arg link Link object
|
||||
*
|
||||
* @return MACVLAN flags, 0 if none set, or a negative error code.
|
||||
*/
|
||||
uint16_t rtnl_link_macvlan_get_flags(struct rtnl_link *link)
|
||||
{
|
||||
struct macvlan_info *mvi = link->l_info;
|
||||
|
||||
IS_MACVLAN_LINK_ASSERT(link);
|
||||
|
||||
return mvi->mvi_flags;
|
||||
}
|
||||
|
||||
/** @} */
|
||||
|
||||
static const struct trans_tbl macvlan_flags[] = {
|
||||
__ADD(MACVLAN_FLAG_NOPROMISC, nopromisc)
|
||||
};
|
||||
|
||||
static const struct trans_tbl macvlan_modes[] = {
|
||||
__ADD(MACVLAN_MODE_PRIVATE, private)
|
||||
__ADD(MACVLAN_MODE_VEPA, vepa)
|
||||
__ADD(MACVLAN_MODE_BRIDGE, bridge)
|
||||
__ADD(MACVLAN_MODE_PASSTHRU, passthru)
|
||||
};
|
||||
|
||||
/**
|
||||
* @name Flag Translation
|
||||
* @{
|
||||
*/
|
||||
|
||||
char *rtnl_link_macvlan_flags2str(int flags, char *buf, size_t len)
|
||||
{
|
||||
return __flags2str(flags, buf, len, macvlan_flags, ARRAY_SIZE(macvlan_flags));
|
||||
}
|
||||
|
||||
int rtnl_link_macvlan_str2flags(const char *name)
|
||||
{
|
||||
return __str2flags(name, macvlan_flags, ARRAY_SIZE(macvlan_flags));
|
||||
}
|
||||
|
||||
/** @} */
|
||||
|
||||
/**
|
||||
* @name Mode Translation
|
||||
* @{
|
||||
*/
|
||||
|
||||
char *rtnl_link_macvlan_mode2str(int mode, char *buf, size_t len)
|
||||
{
|
||||
return __type2str(mode, buf, len, macvlan_modes, ARRAY_SIZE(macvlan_modes));
|
||||
}
|
||||
|
||||
int rtnl_link_macvlan_str2mode(const char *name)
|
||||
{
|
||||
return __str2type(name, macvlan_modes, ARRAY_SIZE(macvlan_modes));
|
||||
}
|
||||
|
||||
/** @} */
|
||||
|
||||
static void __init macvlan_init(void)
|
||||
{
|
||||
rtnl_link_register_info(&macvlan_info_ops);
|
||||
}
|
||||
|
||||
static void __exit macvlan_exit(void)
|
||||
{
|
||||
rtnl_link_unregister_info(&macvlan_info_ops);
|
||||
}
|
||||
|
||||
/** @} */
|
||||
|
|
@ -3,6 +3,7 @@
|
|||
#include <netlink/route/rtnl.h>
|
||||
#include <netlink/route/link.h>
|
||||
#include <netlink/route/link/vlan.h>
|
||||
#include <netlink/route/link/macvlan.h>
|
||||
#include <netlink/route/link/inet.h>
|
||||
|
||||
#include <netlink/route/tc.h>
|
||||
|
|
@ -169,6 +170,21 @@ extern uint32_t *rtnl_link_vlan_get_ingress_map(struct rtnl_link *);
|
|||
extern int rtnl_link_vlan_set_egress_map(struct rtnl_link *, uint32_t, int);
|
||||
extern struct vlan_map *rtnl_link_vlan_get_egress_map(struct rtnl_link *, int *);
|
||||
|
||||
/* <netlink/route/link/macvlan.h> */
|
||||
|
||||
%cstring_output_maxsize(char *buf, size_t len)
|
||||
extern struct rtnl_link *rtnl_link_macvlan_alloc(void);
|
||||
extern int rtnl_link_is_macvlan(struct rtnl_link *);
|
||||
extern char * rtnl_link_macvlan_mode2str(int, char *, size_t);
|
||||
extern int rtnl_link_macvlan_str2mode(const char *);
|
||||
extern char * rtnl_link_macvlan_flags2str(int, char *, size_t);
|
||||
extern int rtnl_link_macvlan_str2flags(const char *);
|
||||
extern int rtnl_link_macvlan_set_mode(struct rtnl_link *, uint32_t);
|
||||
extern uint32_t rtnl_link_macvlan_get_mode(struct rtnl_link *);
|
||||
extern int rtnl_link_macvlan_set_flags(struct rtnl_link *, uint16_t);
|
||||
extern int rtnl_link_macvlan_unset_flags(struct rtnl_link *, uint16_t);
|
||||
extern uint16_t rtnl_link_macvlan_get_flags(struct rtnl_link *);
|
||||
|
||||
/* <netlink/route/link/inet.h> */
|
||||
%cstring_output_maxsize(char *buf, size_t len)
|
||||
extern const char *rtnl_link_inet_devconf2str(int, char *buf, size_t len);
|
||||
|
|
|
|||
48
tests/test-create-macvlan.c
Normal file
48
tests/test-create-macvlan.c
Normal file
|
|
@ -0,0 +1,48 @@
|
|||
#include <netlink/netlink.h>
|
||||
#include <netlink/route/link.h>
|
||||
#include <netlink/route/link/macvlan.h>
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
struct rtnl_link *link;
|
||||
struct nl_cache *link_cache;
|
||||
struct nl_sock *sk;
|
||||
struct nl_addr* addr;
|
||||
int err, master_index;
|
||||
|
||||
sk = nl_socket_alloc();
|
||||
if ((err = nl_connect(sk, NETLINK_ROUTE)) < 0) {
|
||||
nl_perror(err, "Unable to connect socket");
|
||||
return err;
|
||||
}
|
||||
|
||||
if ((err = rtnl_link_alloc_cache(sk, AF_UNSPEC, &link_cache)) < 0) {
|
||||
nl_perror(err, "Unable to allocate cache");
|
||||
return err;
|
||||
}
|
||||
|
||||
if (!(master_index = rtnl_link_name2i(link_cache, "eth0"))) {
|
||||
fprintf(stderr, "Unable to lookup eth0");
|
||||
return -1;
|
||||
}
|
||||
|
||||
link = rtnl_link_macvlan_alloc();
|
||||
|
||||
rtnl_link_set_link(link, master_index);
|
||||
|
||||
addr = nl_addr_build(AF_LLC, ether_aton("00:11:22:33:44:55"), ETH_ALEN);
|
||||
rtnl_link_set_addr(link, addr);
|
||||
nl_addr_put(addr);
|
||||
|
||||
rtnl_link_macvlan_set_mode(link, rtnl_link_macvlan_str2mode("bridge"));
|
||||
|
||||
if ((err = rtnl_link_add(sk, link, NLM_F_CREATE)) < 0) {
|
||||
nl_perror(err, "Unable to add link");
|
||||
return err;
|
||||
}
|
||||
|
||||
rtnl_link_put(link);
|
||||
nl_close(sk);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue