21#include "nl-default.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/xfrmi.h>
33#define XFRMI_ATTR_LINK (1 << 0)
34#define XFRMI_ATTR_IF_ID (1 << 1)
36#define XFRMI_LINK_TYPE_NAME "xfrm"
49static int xfrmi_alloc(
struct rtnl_link *link)
54 memset(link->l_info, 0,
sizeof(*xfrmi));
56 xfrmi = calloc(1,
sizeof(*xfrmi));
66static int xfrmi_parse(
struct rtnl_link *link,
struct nlattr *data,
67 struct nlattr *xstats)
69 struct nlattr *tb[IFLA_XFRM_MAX + 1];
73 NL_DBG(3,
"Parsing XFRMI link info\n");
79 err = xfrmi_alloc(link);
85 if (tb[IFLA_XFRM_LINK]) {
87 xfrmi->xfrmi_mask |= XFRMI_ATTR_LINK;
90 if (tb[IFLA_XFRM_IF_ID]) {
92 xfrmi->xfrmi_mask |= XFRMI_ATTR_IF_ID;
98static int xfrmi_put_attrs(
struct nl_msg *msg,
struct rtnl_link *link)
107 if (xfrmi->xfrmi_mask & XFRMI_ATTR_LINK)
110 if (xfrmi->xfrmi_mask & XFRMI_ATTR_IF_ID)
119static void xfrmi_free(
struct rtnl_link *link)
129 nl_dump(p,
"xfrmi : %s", link->l_name);
136 if (xfrmi->xfrmi_mask & XFRMI_ATTR_LINK) {
143 parent = link_lookup(link->ce_cache, xfrmi->link);
148 nl_dump_line(p,
"%s\n", name);
150 nl_dump_line(p,
"%u\n", xfrmi->link);
153 if (xfrmi->xfrmi_mask & XFRMI_ATTR_IF_ID) {
155 nl_dump_line(p,
"%x\n", xfrmi->if_id);
161 struct xfrmi_info *xfrmi_dst, *xfrmi_src = src->l_info;
170 xfrmi_dst = dst->l_info;
172 if (!xfrmi_dst || !xfrmi_src)
175 memcpy(xfrmi_dst, xfrmi_src,
sizeof(
struct xfrmi_info));
181 .
io_name = XFRMI_LINK_TYPE_NAME,
182 .io_alloc = xfrmi_alloc,
183 .io_parse = xfrmi_parse,
188 .io_clone = xfrmi_clone,
189 .io_put_attrs = xfrmi_put_attrs,
190 .io_free = xfrmi_free,
193#define IS_XFRMI_LINK_ASSERT(link) do { \
194 if ((link)->l_info_ops != &xfrmi_info_ops) { \
195 APPBUG("Link is not a xfrmi link. set type \"xfrmi\" first."); \
196 return -NLE_OPNOTSUPP; \
200struct rtnl_link *rtnl_link_xfrmi_alloc(
void)
226 return link->l_info_ops && !strcmp(link->l_info_ops->
io_name,
227 XFRMI_LINK_TYPE_NAME);
241 IS_XFRMI_LINK_ASSERT(link);
244 xfrmi->xfrmi_mask |= XFRMI_ATTR_LINK;
260 IS_XFRMI_LINK_ASSERT(link);
262 if (!(xfrmi->xfrmi_mask & XFRMI_ATTR_LINK))
265 *out_link = xfrmi->link;
280 IS_XFRMI_LINK_ASSERT(link);
282 xfrmi->if_id = if_id;
283 xfrmi->xfrmi_mask |= XFRMI_ATTR_IF_ID;
299 IS_XFRMI_LINK_ASSERT(link);
301 if (!(xfrmi->xfrmi_mask & XFRMI_ATTR_IF_ID))
304 *out_if_id = xfrmi->if_id;
308static void _nl_init xfrmi_init(
void)
313static void _nl_exit xfrmi_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_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.
struct rtnl_link * rtnl_link_alloc(void)
Allocate 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.
int rtnl_link_xfrmi_set_link(struct rtnl_link *link, uint32_t index)
Set XFRMI link interface index.
int rtnl_link_is_xfrmi(struct rtnl_link *link)
Check if link is a XFRMI link.
int rtnl_link_xfrmi_set_if_id(struct rtnl_link *link, uint32_t if_id)
Set XFRMI if_id.
int rtnl_link_xfrmi_get_if_id(struct rtnl_link *link, uint32_t *out_if_id)
Get XFRMI if_id.
int rtnl_link_xfrmi_get_link(struct rtnl_link *link, uint32_t *out_link)
Get XFRMI link interface index.
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.