27 #include <netlink-private/netlink.h> 28 #include <netlink/netlink.h> 29 #include <netlink/attr.h> 30 #include <netlink/utils.h> 31 #include <netlink/object.h> 32 #include <netlink/route/rtnl.h> 33 #include <netlink/route/link/xfrmi.h> 34 #include <netlink-private/route/link/api.h> 36 #define XFRMI_ATTR_LINK (1 << 0) 37 #define XFRMI_ATTR_IF_ID (1 << 1) 39 #define XFRMI_LINK_TYPE_NAME "xfrm" 47 static struct nla_policy xfrmi_policy[IFLA_XFRM_MAX + 1] = {
49 [IFLA_XFRM_IF_ID] = { .type =
NLA_U32 },
52 static int xfrmi_alloc(
struct rtnl_link *link)
57 memset(link->l_info, 0,
sizeof(*xfrmi));
59 xfrmi = calloc(1,
sizeof(*xfrmi));
69 static int xfrmi_parse(
struct rtnl_link *link,
struct nlattr *data,
70 struct nlattr *xstats)
72 struct nlattr *tb[IFLA_XFRM_MAX + 1];
76 NL_DBG(3,
"Parsing XFRMI link info\n");
82 err = xfrmi_alloc(link);
88 if (tb[IFLA_XFRM_LINK]) {
90 xfrmi->xfrmi_mask |= XFRMI_ATTR_LINK;
93 if (tb[IFLA_XFRM_IF_ID]) {
95 xfrmi->xfrmi_mask |= XFRMI_ATTR_IF_ID;
101 static int xfrmi_put_attrs(
struct nl_msg *msg,
struct rtnl_link *link)
110 if (xfrmi->xfrmi_mask & XFRMI_ATTR_LINK)
113 if (xfrmi->xfrmi_mask & XFRMI_ATTR_IF_ID)
122 static void xfrmi_free(
struct rtnl_link *link)
132 nl_dump(p,
"xfrmi : %s", link->l_name);
139 if (xfrmi->xfrmi_mask & XFRMI_ATTR_LINK) {
146 parent = link_lookup(link->ce_cache, xfrmi->link);
151 nl_dump_line(p,
"%s\n", name);
153 nl_dump_line(p,
"%u\n", xfrmi->link);
156 if (xfrmi->xfrmi_mask & XFRMI_ATTR_IF_ID) {
158 nl_dump_line(p,
"%x\n", xfrmi->if_id);
164 struct xfrmi_info *xfrmi_dst, *xfrmi_src = src->l_info;
173 xfrmi_dst = dst->l_info;
175 if (!xfrmi_dst || !xfrmi_src)
178 memcpy(xfrmi_dst, xfrmi_src,
sizeof(
struct xfrmi_info));
183 static struct rtnl_link_info_ops xfrmi_info_ops = {
184 .io_name = XFRMI_LINK_TYPE_NAME,
185 .io_alloc = xfrmi_alloc,
186 .io_parse = xfrmi_parse,
191 .io_clone = xfrmi_clone,
192 .io_put_attrs = xfrmi_put_attrs,
193 .io_free = xfrmi_free,
196 #define IS_XFRMI_LINK_ASSERT(link) do { \ 197 if ((link)->l_info_ops != &xfrmi_info_ops) { \ 198 APPBUG("Link is not a xfrmi link. set type \"xfrmi\" first."); \ 199 return -NLE_OPNOTSUPP; \ 203 struct rtnl_link *rtnl_link_xfrmi_alloc(
void)
229 return link->l_info_ops && !strcmp(link->l_info_ops->io_name,
230 XFRMI_LINK_TYPE_NAME);
244 IS_XFRMI_LINK_ASSERT(link);
247 xfrmi->xfrmi_mask |= XFRMI_ATTR_LINK;
263 IS_XFRMI_LINK_ASSERT(link);
265 if (!(xfrmi->xfrmi_mask & XFRMI_ATTR_LINK))
268 *out_link = xfrmi->link;
283 IS_XFRMI_LINK_ASSERT(link);
285 xfrmi->if_id = if_id;
286 xfrmi->xfrmi_mask |= XFRMI_ATTR_IF_ID;
302 IS_XFRMI_LINK_ASSERT(link);
304 if (!(xfrmi->xfrmi_mask & XFRMI_ATTR_IF_ID))
307 *out_if_id = xfrmi->if_id;
311 static void __init xfrmi_init(
void)
316 static void __exit xfrmi_exit(
void)
Dump object briefly on one line.
int rtnl_link_is_xfrmi(struct rtnl_link *link)
Check if link is a XFRMI link.
int rtnl_link_register_info(struct rtnl_link_info_ops *ops)
Register operations for a link info type.
Attribute validation policy.
int rtnl_link_xfrmi_set_link(struct rtnl_link *link, uint32_t index)
Set XFRMI link interface index.
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.
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 nla_parse_nested(struct nlattr *tb[], int maxtype, struct nlattr *nla, const struct nla_policy *policy)
Create attribute index based on nested attribute.
int rtnl_link_xfrmi_set_if_id(struct rtnl_link *link, uint32_t if_id)
Set XFRMI if_id.
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.
int rtnl_link_xfrmi_get_if_id(struct rtnl_link *link, uint32_t *out_if_id)
Get XFRMI if_id.
struct nlattr * nla_nest_start(struct nl_msg *msg, int attrtype)
Start a new level of nested attributes.
int rtnl_link_xfrmi_get_link(struct rtnl_link *link, uint32_t *out_link)
Get XFRMI link interface index.