26 #include <netlink-private/netlink.h> 27 #include <netlink/netlink.h> 28 #include <netlink/attr.h> 29 #include <netlink/utils.h> 30 #include <netlink/object.h> 31 #include <netlink/route/rtnl.h> 32 #include <netlink-private/route/link/api.h> 33 #include <netlink/route/link/vrf.h> 35 #include <linux/if_link.h> 36 #include <linux-private/linux/rtnetlink.h> 38 #define VRF_TABLE_ID_MAX RT_TABLE_MAX 41 #define VRF_HAS_TABLE_ID (1<<0) 50 static struct nla_policy vrf_policy[IFLA_VRF_MAX + 1] = {
54 static int vrf_alloc(
struct rtnl_link *link)
59 memset(link->l_info, 0, sizeof (*vi));
63 if ((vi = calloc(1,
sizeof(*vi))) == NULL)
71 static int vrf_parse(
struct rtnl_link *link,
struct nlattr *data,
72 struct nlattr *xstats)
74 struct nlattr *tb[IFLA_VRF_MAX+1];
78 NL_DBG(3,
"Parsing VRF link info");
83 if ((err = vrf_alloc(link)) < 0)
88 if (tb[IFLA_VRF_TABLE]) {
90 vi->vi_mask |= VRF_HAS_TABLE_ID;
99 static void vrf_free(
struct rtnl_link *link)
107 struct vrf_info *vdst, *vsrc = src->l_info;
114 BUG_ON(!vdst || !vsrc);
116 memcpy(vdst, vsrc,
sizeof(
struct vrf_info));
121 static int vrf_put_attrs(
struct nl_msg *msg,
struct rtnl_link *link)
123 struct vrf_info *vi = link->l_info;
129 if (vi->vi_mask & VRF_HAS_TABLE_ID) {
142 struct vrf_info *vi = link->l_info;
144 if (vi->vi_mask & VRF_HAS_TABLE_ID) {
145 nl_dump(p,
"table-id %u", vi->table_id);
149 static struct rtnl_link_info_ops vrf_info_ops = {
151 .io_alloc = vrf_alloc,
152 .io_parse = vrf_parse,
157 .io_clone = vrf_clone,
158 .io_put_attrs = vrf_put_attrs,
163 #define IS_VRF_LINK_ASSERT(link) \ 164 if ((link)->l_info_ops != &vrf_info_ops) { \ 165 APPBUG("Link is not a VRF link. set type \"vrf\" first."); \ 166 return -NLE_OPNOTSUPP; \ 204 return link->l_info_ops && !strcmp(link->l_info_ops->io_name,
"vrf");
216 struct vrf_info *vi = link->l_info;
218 IS_VRF_LINK_ASSERT(link);
222 if (vi->vi_mask & VRF_HAS_TABLE_ID)
239 struct vrf_info *vi = link->l_info;
241 IS_VRF_LINK_ASSERT(link);
242 if(
id > VRF_TABLE_ID_MAX)
246 vi->vi_mask |= VRF_HAS_TABLE_ID;
253 static void __init vrf_init(
void)
258 static void __exit vrf_exit(
void)
Dump object briefly on one line.
int rtnl_link_vrf_set_tableid(struct rtnl_link *link, uint32_t id)
Set VRF table id.
int rtnl_link_register_info(struct rtnl_link_info_ops *ops)
Register operations for a link info type.
Attribute validation policy.
struct rtnl_link * rtnl_link_alloc(void)
Allocate link object.
uint32_t nla_get_u32(const struct nlattr *nla)
Return payload of 32 bit integer attribute.
int rtnl_link_vrf_get_tableid(struct rtnl_link *link, uint32_t *id)
Get VRF table id.
Dump all attributes but no statistics.
int nla_nest_end(struct nl_msg *msg, struct nlattr *start)
Finalize nesting of attributes.
int nla_parse_nested(struct nlattr *tb[], int maxtype, struct nlattr *nla, struct nla_policy *policy)
Create attribute index based on nested attribute.
int rtnl_link_is_vrf(struct rtnl_link *link)
Check if link is a VRF link.
struct rtnl_link * rtnl_link_vrf_alloc(void)
Allocate link object of type VRF.
int rtnl_link_set_type(struct rtnl_link *link, const char *type)
Set type of link object.
#define NLA_PUT_U32(msg, attrtype, value)
Add 32 bit integer attribute to netlink message.
int rtnl_link_unregister_info(struct rtnl_link_info_ops *ops)
Unregister operations for a link info type.
uint16_t type
Type of attribute or NLA_UNSPEC.
void nl_dump(struct nl_dump_params *params, const char *fmt,...)
Dump a formatted character string.
void rtnl_link_put(struct rtnl_link *link)
Return a link object reference.
struct nlattr * nla_nest_start(struct nl_msg *msg, int attrtype)
Start a new level of nested attributes.