19#include "nl-default.h"
21#include <linux/if_tunnel.h>
23#include <netlink/netlink.h>
24#include <netlink/attr.h>
25#include <netlink/utils.h>
26#include <netlink/object.h>
27#include <netlink/route/rtnl.h>
28#include <netlink/route/link/ipvti.h>
33#define IPVTI_ATTR_LINK (1 << 0)
34#define IPVTI_ATTR_IKEY (1 << 1)
35#define IPVTI_ATTR_OKEY (1 << 2)
36#define IPVTI_ATTR_LOCAL (1 << 3)
37#define IPVTI_ATTR_REMOTE (1 << 4)
38#define IPVTI_ATTR_FWMARK (1 << 5)
60static int ipvti_alloc(
struct rtnl_link *link)
65 memset(link->l_info, 0,
sizeof(*ipvti));
67 ipvti = calloc(1,
sizeof(*ipvti));
77static int ipvti_parse(
struct rtnl_link *link,
struct nlattr *data,
78 struct nlattr *xstats)
80 struct nlattr *tb[IFLA_VTI_MAX + 1];
84 NL_DBG(3,
"Parsing IPVTI link info\n");
90 err = ipvti_alloc(link);
96 if (tb[IFLA_VTI_LINK]) {
98 ipvti->ipvti_mask |= IPVTI_ATTR_LINK;
101 if (tb[IFLA_VTI_IKEY]) {
103 ipvti->ipvti_mask |= IPVTI_ATTR_IKEY;
106 if (tb[IFLA_VTI_OKEY]) {
108 ipvti->ipvti_mask |= IPVTI_ATTR_OKEY;
111 if (tb[IFLA_VTI_LOCAL]) {
113 ipvti->ipvti_mask |= IPVTI_ATTR_LOCAL;
116 if (tb[IFLA_VTI_REMOTE]) {
118 ipvti->ipvti_mask |= IPVTI_ATTR_REMOTE;
121 if (tb[IFLA_VTI_FWMARK]) {
123 ipvti->ipvti_mask |= IPVTI_ATTR_FWMARK;
132static int ipvti_put_attrs(
struct nl_msg *msg,
struct rtnl_link *link)
141 if (ipvti->ipvti_mask & IPVTI_ATTR_LINK)
144 if (ipvti->ipvti_mask & IPVTI_ATTR_IKEY)
147 if (ipvti->ipvti_mask & IFLA_VTI_IKEY)
150 if (ipvti->ipvti_mask & IPVTI_ATTR_LOCAL)
153 if (ipvti->ipvti_mask & IPVTI_ATTR_REMOTE)
156 if (ipvti->ipvti_mask & IPVTI_ATTR_FWMARK)
166static void ipvti_free(
struct rtnl_link *link)
176 nl_dump(p,
"ipvti : %s", link->l_name);
182 char *name, addr[INET_ADDRSTRLEN];
185 if (ipvti->ipvti_mask & IPVTI_ATTR_LINK) {
189 parent = link_lookup(link->ce_cache, ipvti->link);
194 nl_dump_line(p,
"%s\n", name);
196 nl_dump_line(p,
"%u\n", ipvti->link);
199 if (ipvti->ipvti_mask & IPVTI_ATTR_IKEY) {
201 nl_dump_line(p,
"%x\n",ipvti->ikey);
204 if (ipvti->ipvti_mask & IPVTI_ATTR_OKEY) {
206 nl_dump_line(p,
"%x\n", ipvti->okey);
209 if (ipvti->ipvti_mask & IPVTI_ATTR_LOCAL) {
211 if(inet_ntop(AF_INET, &ipvti->local, addr,
sizeof(addr)))
212 nl_dump_line(p,
"%s\n", addr);
214 nl_dump_line(p,
"%#x\n", ntohs(ipvti->local));
217 if (ipvti->ipvti_mask & IPVTI_ATTR_REMOTE) {
219 if(inet_ntop(AF_INET, &ipvti->remote, addr,
sizeof(addr)))
220 nl_dump_line(p,
"%s\n", addr);
222 nl_dump_line(p,
"%#x\n", ntohs(ipvti->remote));
225 if (ipvti->ipvti_mask & IPVTI_ATTR_FWMARK) {
227 nl_dump_line(p,
"%x\n", ipvti->fwmark);
233 struct ipvti_info *ipvti_dst, *ipvti_src = src->l_info;
242 ipvti_dst = dst->l_info;
244 if (!ipvti_dst || !ipvti_src)
247 memcpy(ipvti_dst, ipvti_src,
sizeof(
struct ipvti_info));
254 .io_alloc = ipvti_alloc,
255 .io_parse = ipvti_parse,
260 .io_clone = ipvti_clone,
261 .io_put_attrs = ipvti_put_attrs,
262 .io_free = ipvti_free,
265#define IS_IPVTI_LINK_ASSERT(link) \
266 if ((link)->l_info_ops != &ipvti_info_ops) { \
267 APPBUG("Link is not a ipvti link. set type \vti\" first."); \
268 return -NLE_OPNOTSUPP; \
271struct rtnl_link *rtnl_link_ipvti_alloc(
void)
297 return link->l_info_ops && !strcmp(link->l_info_ops->
io_name,
"vti");
312 link = rtnl_link_ipvti_alloc();
335 IS_IPVTI_LINK_ASSERT(link);
338 ipvti->ipvti_mask |= IPVTI_ATTR_LINK;
353 IS_IPVTI_LINK_ASSERT(link);
369 IS_IPVTI_LINK_ASSERT(link);
372 ipvti->ipvti_mask |= IPVTI_ATTR_IKEY;
387 IS_IPVTI_LINK_ASSERT(link);
403 IS_IPVTI_LINK_ASSERT(link);
406 ipvti->ipvti_mask |= IPVTI_ATTR_OKEY;
421 IS_IPVTI_LINK_ASSERT(link);
437 IS_IPVTI_LINK_ASSERT(link);
440 ipvti->ipvti_mask |= IPVTI_ATTR_LOCAL;
455 IS_IPVTI_LINK_ASSERT(link);
471 IS_IPVTI_LINK_ASSERT(link);
473 ipvti->remote = remote;
474 ipvti->ipvti_mask |= IPVTI_ATTR_REMOTE;
489 IS_IPVTI_LINK_ASSERT(link);
491 return ipvti->remote;
505 IS_IPVTI_LINK_ASSERT(link);
507 ipvti->fwmark = fwmark;
508 ipvti->ipvti_mask |= IPVTI_ATTR_FWMARK;
524 IS_IPVTI_LINK_ASSERT(link);
526 if (!(ipvti->ipvti_mask & IPVTI_ATTR_FWMARK))
529 *fwmark = ipvti->fwmark;
534static void _nl_init ipvti_init(
void)
539static void _nl_exit ipvti_exit(
void)
uint32_t nla_get_u32(const struct nlattr *nla)
Return payload of 32 bit integer attribute.
#define NLA_PUT_U32(msg, attrtype, value)
Add 32 bit integer attribute to netlink message.
struct nlattr * nla_nest_start(struct nl_msg *msg, int attrtype)
Start a new level of nested attributes.
int nla_parse_nested(struct nlattr *tb[], int maxtype, struct nlattr *nla, const struct nla_policy *policy)
Create attribute index based on nested attribute.
int nla_nest_end(struct nl_msg *msg, struct nlattr *start)
Finalize nesting of attributes.
int rtnl_link_ipvti_set_ikey(struct rtnl_link *link, uint32_t ikey)
Set IPVTI tunnel set ikey.
uint32_t rtnl_link_ipvti_get_ikey(struct rtnl_link *link)
Get IPVTI tunnel ikey.
int rtnl_link_ipvti_set_local(struct rtnl_link *link, uint32_t addr)
Set IPVTI tunnel local address.
int rtnl_link_ipvti_set_remote(struct rtnl_link *link, uint32_t remote)
Set IPVTI tunnel remote address.
int rtnl_link_ipvti_get_fwmark(struct rtnl_link *link, uint32_t *fwmark)
Get IPVTI tunnel fwmark.
uint32_t rtnl_link_ipvti_get_local(struct rtnl_link *link)
Get IPVTI tunnel local address.
int rtnl_link_ipvti_set_fwmark(struct rtnl_link *link, uint32_t fwmark)
Set IPVTI tunnel fwmark.
int rtnl_link_ipvti_set_okey(struct rtnl_link *link, uint32_t okey)
Set IPVTI tunnel set okey.
int rtnl_link_is_ipvti(struct rtnl_link *link)
Check if link is a IPVTI link.
uint32_t rtnl_link_ipvti_get_link(struct rtnl_link *link)
Get IPVTI tunnel interface index.
uint32_t rtnl_link_ipvti_get_remote(struct rtnl_link *link)
Get IPVTI tunnel remote address.
int rtnl_link_ipvti_set_link(struct rtnl_link *link, uint32_t index)
Set IPVTI tunnel interface index.
uint32_t rtnl_link_ipvti_get_okey(struct rtnl_link *link)
Get IPVTI tunnel okey.
int rtnl_link_ipvti_add(struct nl_sock *sk, const char *name)
Create a new ipvti tunnel device.
int rtnl_link_register_info(struct rtnl_link_info_ops *ops)
Register operations for a link info type.
int rtnl_link_unregister_info(struct rtnl_link_info_ops *ops)
Unregister operations for a link info type.
int rtnl_link_add(struct nl_sock *sk, struct rtnl_link *link, int flags)
Add virtual link.
struct rtnl_link * rtnl_link_alloc(void)
Allocate link object.
void rtnl_link_set_name(struct rtnl_link *link, const char *name)
Set name of link object.
char * rtnl_link_get_name(struct rtnl_link *link)
Return name of link object.
void rtnl_link_put(struct rtnl_link *link)
Release a link object reference.
int rtnl_link_set_type(struct rtnl_link *link, const char *type)
Set type of link object.
void nl_dump(struct nl_dump_params *params, const char *fmt,...)
Dump a formatted character string.
@ NL_DUMP_LINE
Dump object briefly on one line.
@ NL_DUMP_DETAILS
Dump all attributes but no statistics.
Attribute validation policy.
uint16_t type
Type of attribute or NLA_UNSPEC.
Available operations to modules implementing a link info type.
char * io_name
Name of link info type, must match name on kernel side.