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/route/link/ipvti.h> 32 #include <netlink-private/route/link/api.h> 33 #include <linux/if_tunnel.h> 35 #define IPVTI_ATTR_LINK (1 << 0) 36 #define IPVTI_ATTR_IKEY (1 << 1) 37 #define IPVTI_ATTR_OKEY (1 << 2) 38 #define IPVTI_ATTR_LOCAL (1 << 3) 39 #define IPVTI_ATTR_REMOTE (1 << 4) 51 static struct nla_policy ipvti_policy[IFLA_GRE_MAX + 1] = {
53 [IFLA_VTI_IKEY] = { .type =
NLA_U32 },
54 [IFLA_VTI_OKEY] = { .type =
NLA_U32 },
55 [IFLA_VTI_LOCAL] = { .type =
NLA_U32 },
56 [IFLA_VTI_REMOTE] = { .type =
NLA_U32 },
59 static int ipvti_alloc(
struct rtnl_link *link)
64 memset(link->l_info, 0,
sizeof(*ipvti));
66 ipvti = calloc(1,
sizeof(*ipvti));
76 static int ipvti_parse(
struct rtnl_link *link,
struct nlattr *data,
77 struct nlattr *xstats)
79 struct nlattr *tb[IFLA_IPTUN_MAX + 1];
83 NL_DBG(3,
"Parsing IPVTI link info\n");
89 err = ipvti_alloc(link);
95 if (tb[IFLA_VTI_LINK]) {
97 ipvti->ipvti_mask |= IPVTI_ATTR_LINK;
100 if (tb[IFLA_VTI_IKEY]) {
102 ipvti->ipvti_mask |= IPVTI_ATTR_IKEY;
105 if (tb[IFLA_VTI_OKEY]) {
107 ipvti->ipvti_mask |= IPVTI_ATTR_OKEY;
110 if (tb[IFLA_VTI_LOCAL]) {
112 ipvti->ipvti_mask |= IPVTI_ATTR_LOCAL;
115 if (tb[IFLA_VTI_REMOTE]) {
117 ipvti->ipvti_mask |= IPVTI_ATTR_REMOTE;
126 static int ipvti_put_attrs(
struct nl_msg *msg,
struct rtnl_link *link)
135 if (ipvti->ipvti_mask & IPVTI_ATTR_LINK)
138 if (ipvti->ipvti_mask & IPVTI_ATTR_IKEY)
141 if (ipvti->ipvti_mask & IFLA_VTI_IKEY)
144 if (ipvti->ipvti_mask & IPVTI_ATTR_LOCAL)
147 if (ipvti->ipvti_mask & IPVTI_ATTR_REMOTE)
157 static void ipvti_free(
struct rtnl_link *link)
167 nl_dump(p,
"ipvti : %s", link->l_name);
173 char *name, addr[INET_ADDRSTRLEN];
176 if (ipvti->ipvti_mask & IPVTI_ATTR_LINK) {
180 parent = link_lookup(link->ce_cache, ipvti->link);
185 nl_dump_line(p,
"%s\n", name);
187 nl_dump_line(p,
"%u\n", ipvti->link);
190 if (ipvti->ipvti_mask & IPVTI_ATTR_IKEY) {
192 nl_dump_line(p,
"%x\n",ipvti->ikey);
195 if (ipvti->ipvti_mask & IPVTI_ATTR_OKEY) {
197 nl_dump_line(p,
"%x\n", ipvti->okey);
200 if (ipvti->ipvti_mask & IPVTI_ATTR_LOCAL) {
202 if(inet_ntop(AF_INET, &ipvti->local, addr,
sizeof(addr)))
203 nl_dump_line(p,
"%s\n", addr);
205 nl_dump_line(p,
"%#x\n", ntohs(ipvti->local));
208 if (ipvti->ipvti_mask & IPVTI_ATTR_REMOTE) {
210 if(inet_ntop(AF_INET, &ipvti->remote, addr,
sizeof(addr)))
211 nl_dump_line(p,
"%s\n", addr);
213 nl_dump_line(p,
"%#x\n", ntohs(ipvti->remote));
219 struct ipvti_info *ipvti_dst, *ipvti_src = src->l_info;
228 ipvti_dst = dst->l_info;
230 if (!ipvti_dst || !ipvti_src)
233 memcpy(ipvti_dst, ipvti_src,
sizeof(
struct ipvti_info));
238 static struct rtnl_link_info_ops ipvti_info_ops = {
240 .io_alloc = ipvti_alloc,
241 .io_parse = ipvti_parse,
246 .io_clone = ipvti_clone,
247 .io_put_attrs = ipvti_put_attrs,
248 .io_free = ipvti_free,
251 #define IS_IPVTI_LINK_ASSERT(link) \ 252 if ((link)->l_info_ops != &ipvti_info_ops) { \ 253 APPBUG("Link is not a ipvti link. set type \vti\" first."); \ 254 return -NLE_OPNOTSUPP; \ 257 struct rtnl_link *rtnl_link_ipvti_alloc(
void)
283 return link->l_info_ops && !strcmp(link->l_info_ops->io_name,
"vti");
298 link = rtnl_link_ipvti_alloc();
321 IS_IPVTI_LINK_ASSERT(link);
324 ipvti->ipvti_mask |= IPVTI_ATTR_LINK;
339 IS_IPVTI_LINK_ASSERT(link);
355 IS_IPVTI_LINK_ASSERT(link);
358 ipvti->ipvti_mask |= IPVTI_ATTR_IKEY;
373 IS_IPVTI_LINK_ASSERT(link);
389 IS_IPVTI_LINK_ASSERT(link);
392 ipvti->ipvti_mask |= IPVTI_ATTR_OKEY;
407 IS_IPVTI_LINK_ASSERT(link);
423 IS_IPVTI_LINK_ASSERT(link);
426 ipvti->ipvti_mask |= IPVTI_ATTR_LOCAL;
441 IS_IPVTI_LINK_ASSERT(link);
457 IS_IPVTI_LINK_ASSERT(link);
459 ipvti->remote = remote;
460 ipvti->ipvti_mask |= IPVTI_ATTR_REMOTE;
475 IS_IPVTI_LINK_ASSERT(link);
477 return ipvti->remote;
480 static void __init ipvti_init(
void)
485 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.