19 #include <netlink-private/netlink.h>
20 #include <netlink/netlink.h>
21 #include <netlink/attr.h>
22 #include <netlink/utils.h>
23 #include <netlink/object.h>
24 #include <netlink/route/rtnl.h>
25 #include <netlink/route/route.h>
26 #include <netlink/fib_lookup/request.h>
27 #include <netlink/fib_lookup/lookup.h>
30 static struct nl_cache_ops fib_lookup_ops;
31 static struct nl_object_ops result_obj_ops;
34 struct fib_result_nl {
38 unsigned char fl_scope;
39 unsigned char tb_id_in;
42 unsigned char prefixlen;
50 static void result_free_data(
struct nl_object *obj)
52 struct flnl_result *res = nl_object_priv(obj);
54 if (res && res->fr_req)
58 static int result_clone(
struct nl_object *_dst,
struct nl_object *_src)
60 struct flnl_result *dst = nl_object_priv(_dst);
61 struct flnl_result *src = nl_object_priv(_src);
64 if (!(dst->fr_req = (
struct flnl_request *)
71 static int result_msg_parser(
struct nl_cache_ops *ops,
struct sockaddr_nl *who,
72 struct nlmsghdr *n,
struct nl_parser_param *pp)
74 struct flnl_result *res;
75 struct fib_result_nl *fr;
79 res = flnl_result_alloc();
83 res->ce_msgtype = n->nlmsg_type;
85 res->fr_req = flnl_request_alloc();
93 err = flnl_request_set_addr(res->fr_req, addr);
98 flnl_request_set_fwmark(res->fr_req, fr->fl_fwmark);
99 flnl_request_set_tos(res->fr_req, fr->fl_tos);
100 flnl_request_set_scope(res->fr_req, fr->fl_scope);
101 flnl_request_set_table(res->fr_req, fr->tb_id_in);
103 res->fr_table_id = fr->tb_id;
104 res->fr_prefixlen = fr->prefixlen;
105 res->fr_nh_sel = fr->nh_sel;
106 res->fr_type = fr->type;
107 res->fr_scope = fr->scope;
108 res->fr_error = fr->err;
110 err = pp->pp_cb((
struct nl_object *) res, pp);
120 flnl_result_put(res);
124 static void result_dump_line(
struct nl_object *obj,
struct nl_dump_params *p)
126 struct flnl_result *res = (
struct flnl_result *) obj;
129 nl_dump_line(p,
"table %s prefixlen %u next-hop-selector %u\n",
130 rtnl_route_table2str(res->fr_table_id, buf,
sizeof(buf)),
131 res->fr_prefixlen, res->fr_nh_sel);
132 nl_dump_line(p,
"type %s ",
133 nl_rtntype2str(res->fr_type, buf,
sizeof(buf)));
134 nl_dump(p,
"scope %s error %s (%d)\n",
135 rtnl_scope2str(res->fr_scope, buf,
sizeof(buf)),
136 strerror_r(-res->fr_error, buf,
sizeof(buf)), res->fr_error);
139 static void result_dump_details(
struct nl_object *obj,
struct nl_dump_params *p)
141 result_dump_line(obj, p);
144 static int result_compare(
struct nl_object *_a,
struct nl_object *_b,
145 uint32_t attrs,
int flags)
155 struct flnl_result *flnl_result_alloc(
void)
160 void flnl_result_put(
struct flnl_result *res)
209 struct nl_msg **result)
212 struct nl_addr *addr;
214 int tos, scope, table;
215 struct fib_result_nl fr = {0};
217 fwmark = flnl_request_get_fwmark(req);
218 tos = flnl_request_get_tos(req);
219 scope = flnl_request_get_scope(req);
220 table = flnl_request_get_table(req);
222 fr.fl_fwmark = fwmark != UINT_LEAST64_MAX ? fwmark : 0;
223 fr.fl_tos = tos >= 0 ? tos : 0;
224 fr.fl_scope = scope >= 0 ? scope : RT_SCOPE_UNIVERSE;
225 fr.tb_id_in = table >= 0 ? table : RT_TABLE_UNSPEC;
227 addr = flnl_request_get_addr(req);
229 return -NLE_MISSING_ATTR;
237 if (
nlmsg_append(msg, &fr,
sizeof(fr), NLMSG_ALIGNTO) < 0)
260 struct nl_cache *cache)
283 int flnl_result_get_table_id(
struct flnl_result *res)
285 return res->fr_table_id;
288 int flnl_result_get_prefixlen(
struct flnl_result *res)
290 return res->fr_prefixlen;
293 int flnl_result_get_nexthop_sel(
struct flnl_result *res)
295 return res->fr_nh_sel;
298 int flnl_result_get_type(
struct flnl_result *res)
303 int flnl_result_get_scope(
struct flnl_result *res)
305 return res->fr_scope;
308 int flnl_result_get_error(
struct flnl_result *res)
310 return res->fr_error;
315 static struct nl_object_ops result_obj_ops = {
316 .oo_name =
"fib_lookup/result",
317 .oo_size =
sizeof(
struct flnl_result),
318 .oo_free_data = result_free_data,
319 .oo_clone = result_clone,
324 .oo_compare = result_compare,
327 static struct nl_cache_ops fib_lookup_ops = {
328 .co_name =
"fib_lookup/fib_lookup",
329 .co_hdrsize =
sizeof(
struct fib_result_nl),
331 { 0, NL_ACT_UNSPEC,
"any" },
332 END_OF_MSGTYPES_LIST,
334 .co_protocol = NETLINK_FIB_LOOKUP,
335 .co_msg_parser = result_msg_parser,
336 .co_obj_ops = &result_obj_ops,
339 static void __init fib_lookup_init(
void)
344 static void __exit fib_lookup_exit(
void)