18 #include <netlink-private/netlink.h>
19 #include <netlink/netlink.h>
20 #include <netlink/utils.h>
21 #include <netlink/route/rtnl.h>
22 #include <netlink/route/route.h>
25 #define NH_ATTR_FLAGS 0x000001
26 #define NH_ATTR_WEIGHT 0x000002
27 #define NH_ATTR_IFINDEX 0x000004
28 #define NH_ATTR_GATEWAY 0x000008
29 #define NH_ATTR_REALMS 0x000010
37 struct rtnl_nexthop *rtnl_route_nh_alloc(
void)
39 struct rtnl_nexthop *nh;
41 nh = calloc(1,
sizeof(*nh));
45 nl_init_list_head(&nh->rtnh_list);
50 struct rtnl_nexthop *rtnl_route_nh_clone(
struct rtnl_nexthop *src)
52 struct rtnl_nexthop *nh;
54 nh = rtnl_route_nh_alloc();
58 nh->rtnh_flags = src->rtnh_flags;
59 nh->rtnh_flag_mask = src->rtnh_flag_mask;
60 nh->rtnh_weight = src->rtnh_weight;
61 nh->rtnh_ifindex = src->rtnh_ifindex;
62 nh->ce_mask = src->ce_mask;
64 if (src->rtnh_gateway) {
66 if (!nh->rtnh_gateway) {
75 void rtnl_route_nh_free(
struct rtnl_nexthop *nh)
83 int rtnl_route_nh_compare(
struct rtnl_nexthop *a,
struct rtnl_nexthop *b,
84 uint32_t attrs,
int loose)
88 #define NH_DIFF(ATTR, EXPR) ATTR_DIFF(attrs, NH_ATTR_##ATTR, a, b, EXPR)
90 diff |= NH_DIFF(IFINDEX, a->rtnh_ifindex != b->rtnh_ifindex);
91 diff |= NH_DIFF(WEIGHT, a->rtnh_weight != b->rtnh_weight);
92 diff |= NH_DIFF(REALMS, a->rtnh_realms != b->rtnh_realms);
93 diff |= NH_DIFF(GATEWAY,
nl_addr_cmp(a->rtnh_gateway,
97 diff |= NH_DIFF(FLAGS,
98 (a->rtnh_flags ^ b->rtnh_flags) & b->rtnh_flag_mask);
100 diff |= NH_DIFF(FLAGS, a->rtnh_flags != b->rtnh_flags);
107 static void nh_dump_line(
struct rtnl_nexthop *nh,
struct nl_dump_params *dp)
109 struct nl_cache *link_cache;
116 if (nh->ce_mask & NH_ATTR_GATEWAY)
120 if(nh->ce_mask & NH_ATTR_IFINDEX) {
127 nl_dump(dp,
" dev %d", nh->rtnh_ifindex);
133 nl_cache_put(link_cache);
136 static void nh_dump_details(
struct rtnl_nexthop *nh,
struct nl_dump_params *dp)
138 struct nl_cache *link_cache;
145 if (nh->ce_mask & NH_ATTR_GATEWAY)
149 if(nh->ce_mask & NH_ATTR_IFINDEX) {
156 nl_dump(dp,
" dev %d", nh->rtnh_ifindex);
159 if (nh->ce_mask & NH_ATTR_WEIGHT)
160 nl_dump(dp,
" weight %u", nh->rtnh_weight);
162 if (nh->ce_mask & NH_ATTR_REALMS)
163 nl_dump(dp,
" realm %04x:%04x",
167 if (nh->ce_mask & NH_ATTR_FLAGS)
168 nl_dump(dp,
" <%s>", rtnl_route_nh_flags2str(nh->rtnh_flags,
172 nl_cache_put(link_cache);
175 void rtnl_route_nh_dump(
struct rtnl_nexthop *nh,
struct nl_dump_params *dp)
179 nh_dump_line(nh, dp);
184 if (dp->
dp_ivar == NH_DUMP_FROM_DETAILS)
185 nh_dump_details(nh, dp);
198 void rtnl_route_nh_set_weight(
struct rtnl_nexthop *nh, uint8_t weight)
200 nh->rtnh_weight = weight;
201 nh->ce_mask |= NH_ATTR_WEIGHT;
204 uint8_t rtnl_route_nh_get_weight(
struct rtnl_nexthop *nh)
206 return nh->rtnh_weight;
209 void rtnl_route_nh_set_ifindex(
struct rtnl_nexthop *nh,
int ifindex)
211 nh->rtnh_ifindex = ifindex;
212 nh->ce_mask |= NH_ATTR_IFINDEX;
215 int rtnl_route_nh_get_ifindex(
struct rtnl_nexthop *nh)
217 return nh->rtnh_ifindex;
221 void rtnl_route_nh_set_gateway(
struct rtnl_nexthop *nh,
struct nl_addr *addr)
223 struct nl_addr *old = nh->rtnh_gateway;
227 nh->ce_mask |= NH_ATTR_GATEWAY;
229 nh->ce_mask &= ~NH_ATTR_GATEWAY;
230 nh->rtnh_gateway = NULL;
237 struct nl_addr *rtnl_route_nh_get_gateway(
struct rtnl_nexthop *nh)
239 return nh->rtnh_gateway;
242 void rtnl_route_nh_set_flags(
struct rtnl_nexthop *nh,
unsigned int flags)
244 nh->rtnh_flag_mask |= flags;
245 nh->rtnh_flags |= flags;
246 nh->ce_mask |= NH_ATTR_FLAGS;
249 void rtnl_route_nh_unset_flags(
struct rtnl_nexthop *nh,
unsigned int flags)
251 nh->rtnh_flag_mask |= flags;
252 nh->rtnh_flags &= ~flags;
253 nh->ce_mask |= NH_ATTR_FLAGS;
256 unsigned int rtnl_route_nh_get_flags(
struct rtnl_nexthop *nh)
258 return nh->rtnh_flags;
261 void rtnl_route_nh_set_realms(
struct rtnl_nexthop *nh, uint32_t realms)
263 nh->rtnh_realms = realms;
264 nh->ce_mask |= NH_ATTR_REALMS;
267 uint32_t rtnl_route_nh_get_realms(
struct rtnl_nexthop *nh)
269 return nh->rtnh_realms;
279 static const struct trans_tbl nh_flags[] = {
280 __ADD(RTNH_F_DEAD, dead)
281 __ADD(RTNH_F_PERVASIVE, pervasive)
282 __ADD(RTNH_F_ONLINK, onlink)
285 char *rtnl_route_nh_flags2str(
int flags,
char *buf,
size_t len)
287 return __flags2str(flags, buf, len, nh_flags, ARRAY_SIZE(nh_flags));
290 int rtnl_route_nh_str2flags(
const char *name)
292 return __str2flags(name, nh_flags, ARRAY_SIZE(nh_flags));