25 #include <netlink-private/netlink.h>
26 #include <netlink/netlink.h>
27 #include <netlink/attr.h>
28 #include <netlink/utils.h>
29 #include <netlink/object.h>
30 #include <netlink/route/rtnl.h>
31 #include <netlink-private/route/link/api.h>
32 #include <linux/if_tunnel.h>
34 #define IPVTI_ATTR_LINK (1 << 0)
35 #define IPVTI_ATTR_IKEY (1 << 1)
36 #define IPVTI_ATTR_OKEY (1 << 2)
37 #define IPVTI_ATTR_LOCAL (1 << 3)
38 #define IPVTI_ATTR_REMOTE (1 << 4)
50 static struct nla_policy ipvti_policy[IFLA_GRE_MAX + 1] = {
52 [IFLA_VTI_IKEY] = { .type =
NLA_U32 },
53 [IFLA_VTI_OKEY] = { .type =
NLA_U32 },
54 [IFLA_VTI_LOCAL] = { .type =
NLA_U32 },
55 [IFLA_VTI_REMOTE] = { .type =
NLA_U32 },
58 static int ipvti_alloc(
struct rtnl_link *link)
63 memset(link->l_info, 0,
sizeof(*ipvti));
65 ipvti = calloc(1,
sizeof(*ipvti));
75 static int ipvti_parse(
struct rtnl_link *link,
struct nlattr *data,
76 struct nlattr *xstats)
78 struct nlattr *tb[IFLA_IPTUN_MAX + 1];
82 NL_DBG(3,
"Parsing IPVTI link info\n");
88 err = ipvti_alloc(link);
94 if (tb[IFLA_VTI_LINK]) {
96 ipvti->ipvti_mask |= IPVTI_ATTR_LINK;
99 if (tb[IFLA_VTI_IKEY]) {
101 ipvti->ipvti_mask |= IPVTI_ATTR_IKEY;
104 if (tb[IFLA_VTI_OKEY]) {
106 ipvti->ipvti_mask |= IPVTI_ATTR_OKEY;
109 if (tb[IFLA_VTI_LOCAL]) {
111 ipvti->ipvti_mask |= IPVTI_ATTR_LOCAL;
114 if (tb[IFLA_VTI_REMOTE]) {
116 ipvti->ipvti_mask |= IPVTI_ATTR_REMOTE;
125 static int ipvti_put_attrs(
struct nl_msg *msg,
struct rtnl_link *link)
134 if (ipvti->ipvti_mask & IPVTI_ATTR_LINK)
137 if (ipvti->ipvti_mask & IPVTI_ATTR_IKEY)
140 if (ipvti->ipvti_mask & IFLA_VTI_IKEY)
143 if (ipvti->ipvti_mask & IPVTI_ATTR_LOCAL)
146 if (ipvti->ipvti_mask & IPVTI_ATTR_REMOTE)
156 static void ipvti_free(
struct rtnl_link *link)
166 nl_dump(p,
"ipvti : %s", link->l_name);
172 char *name, addr[INET_ADDRSTRLEN];
174 if (ipvti->ipvti_mask & IPVTI_ATTR_LINK) {
178 nl_dump_line(p,
"%s\n", name);
180 nl_dump_line(p,
"%u\n", ipvti->link);
183 if (ipvti->ipvti_mask & IPVTI_ATTR_IKEY) {
185 nl_dump_line(p,
"%x\n",ipvti->ikey);
188 if (ipvti->ipvti_mask & IPVTI_ATTR_OKEY) {
190 nl_dump_line(p,
"%x\n", ipvti->okey);
193 if (ipvti->ipvti_mask & IPVTI_ATTR_LOCAL) {
195 if(inet_ntop(AF_INET, &ipvti->local, addr,
sizeof(addr)))
196 nl_dump_line(p,
"%s\n", addr);
198 nl_dump_line(p,
"%#x\n", ntohs(ipvti->local));
201 if (ipvti->ipvti_mask & IPVTI_ATTR_REMOTE) {
203 if(inet_ntop(AF_INET, &ipvti->remote, addr,
sizeof(addr)))
204 nl_dump_line(p,
"%s\n", addr);
206 nl_dump_line(p,
"%#x\n", ntohs(ipvti->remote));
212 struct ipvti_info *ipvti_dst, *ipvti_src = src->l_info;
221 ipvti_dst = dst->l_info;
223 if (!ipvti_dst || !ipvti_src)
226 memcpy(ipvti_dst, ipvti_src,
sizeof(
struct ipvti_info));
231 static struct rtnl_link_info_ops ipvti_info_ops = {
233 .io_alloc = ipvti_alloc,
234 .io_parse = ipvti_parse,
239 .io_clone = ipvti_clone,
240 .io_put_attrs = ipvti_put_attrs,
241 .io_free = ipvti_free,
244 #define IS_IPVTI_LINK_ASSERT(link) \
245 if ((link)->l_info_ops != &ipvti_info_ops) { \
246 APPBUG("Link is not a ipvti link. set type \vti\" first."); \
247 return -NLE_OPNOTSUPP; \
250 struct rtnl_link *rtnl_link_ipvti_alloc(
void)
276 return link->l_info_ops && !strcmp(link->l_info_ops->io_name,
"vti");
291 link = rtnl_link_ipvti_alloc();
314 IS_IPVTI_LINK_ASSERT(link);
317 ipvti->ipvti_mask |= IPVTI_ATTR_LINK;
332 IS_IPVTI_LINK_ASSERT(link);
348 IS_IPVTI_LINK_ASSERT(link);
351 ipvti->ipvti_mask |= IPVTI_ATTR_IKEY;
366 IS_IPVTI_LINK_ASSERT(link);
382 IS_IPVTI_LINK_ASSERT(link);
385 ipvti->ipvti_mask |= IPVTI_ATTR_OKEY;
400 IS_IPVTI_LINK_ASSERT(link);
416 IS_IPVTI_LINK_ASSERT(link);
419 ipvti->ipvti_mask |= IPVTI_ATTR_LOCAL;
434 IS_IPVTI_LINK_ASSERT(link);
450 IS_IPVTI_LINK_ASSERT(link);
452 ipvti->remote = remote;
453 ipvti->ipvti_mask |= IPVTI_ATTR_REMOTE;
468 IS_IPVTI_LINK_ASSERT(link);
470 return ipvti->remote;
473 static void __init ipvti_init(
void)
478 static void __exit ipvti_exit(
void)
uint32_t rtnl_link_ipvti_get_ikey(struct rtnl_link *link)
Get IPVTI tunnel ikey.
Dump object briefly on one line.
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 rtnl_link_ipvti_get_remote(struct rtnl_link *link)
Get IPVTI tunnel remote address.
int rtnl_link_ipvti_set_okey(struct rtnl_link *link, uint32_t okey)
Set IPVTI tunnel set okey.
uint32_t nla_get_u32(const struct nlattr *nla)
Return payload of 32 bit integer attribute.
int rtnl_link_is_ipvti(struct rtnl_link *link)
Check if link is a IPVTI link.
Dump all attributes but no statistics.
char * rtnl_link_get_name(struct rtnl_link *link)
Return name of link object.
int nla_nest_end(struct nl_msg *msg, struct nlattr *start)
Finalize nesting of attributes.
int rtnl_link_ipvti_add(struct nl_sock *sk, const char *name)
Create a new ipvti tunnel device.
int rtnl_link_ipvti_set_ikey(struct rtnl_link *link, uint32_t ikey)
Set IPVTI tunnel set ikey.
uint32_t rtnl_link_ipvti_get_okey(struct rtnl_link *link)
Get IPVTI tunnel okey.
int nla_parse_nested(struct nlattr *tb[], int maxtype, struct nlattr *nla, struct nla_policy *policy)
Create attribute index based on nested attribute.
void rtnl_link_set_name(struct rtnl_link *link, const char *name)
Set name of link object.
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.
uint32_t rtnl_link_ipvti_get_local(struct rtnl_link *link)
Get IPVTI tunnel local address.
int rtnl_link_unregister_info(struct rtnl_link_info_ops *ops)
Unregister operations for a link info type.
int rtnl_link_ipvti_set_link(struct rtnl_link *link, uint32_t index)
Set IPVTI tunnel interface index.
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.
int rtnl_link_ipvti_set_local(struct rtnl_link *link, uint32_t addr)
Set IPVTI tunnel local address.
void rtnl_link_put(struct rtnl_link *link)
Return a link object reference.
uint32_t rtnl_link_ipvti_get_link(struct rtnl_link *link)
Get IPVTI tunnel interface index.
int rtnl_link_add(struct nl_sock *sk, struct rtnl_link *link, int flags)
Add virtual link.
struct nlattr * nla_nest_start(struct nl_msg *msg, int attrtype)
Start a new level of nested attributes.
int rtnl_link_ipvti_set_remote(struct rtnl_link *link, uint32_t remote)
Set IPVTI tunnel remote address.