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Index: sys/net/route/fib_algo.c
===================================================================
--- sys/net/route/fib_algo.c
+++ sys/net/route/fib_algo.c
@@ -526,6 +526,13 @@
}
}
+static void
+sync_rib_gen(struct fib_data *fd)
+{
+ FD_PRINTF(LOG_DEBUG, fd, "Sync gen %u -> %u", fd->fd_rh->rnh_gen, fd->fd_rh->rnh_gen_rib);
+ fd->fd_rh->rnh_gen = fd->fd_rh->rnh_gen_rib;
+}
+
static int64_t
get_tv_diff_ms(const struct timeval *old_tv, const struct timeval *new_tv)
{
@@ -685,6 +692,7 @@
if (q->entries[i].nh_old)
fib_unref_nhop(fd, q->entries[i].nh_old);
q->count = 0;
+ sync_rib_gen(fd);
}
fd->fd_batch = false;
@@ -812,6 +820,7 @@
switch (result) {
case FLM_SUCCESS:
+ sync_rib_gen(fd);
/* Unref old nexthop on success */
if (rc->rc_nh_old != NULL)
fib_unref_nhop(fd, rc->rc_nh_old);
@@ -921,6 +930,7 @@
if (w->result == FLM_SUCCESS) {
/* Mark init as done to allow routing updates */
fd->init_done = 1;
+ sync_rib_gen(fd);
}
}
Index: sys/net/route/route_ctl.c
===================================================================
--- sys/net/route/route_ctl.c
+++ sys/net/route/route_ctl.c
@@ -808,7 +808,7 @@
rt->rte_flags &= ~RTF_UP;
/* Finalize notification */
- rnh->rnh_gen++;
+ rib_bump_gen(rnh);
rnh->rnh_prefixes--;
rc->rc_cmd = RTM_DELETE;
@@ -1060,7 +1060,7 @@
tmproutes_update(rnh, rt);
/* Finalize notification */
- rnh->rnh_gen++;
+ rib_bump_gen(rnh);
rnh->rnh_prefixes++;
rc->rc_cmd = RTM_ADD;
@@ -1116,7 +1116,7 @@
}
/* Finalize notification */
- rnh->rnh_gen++;
+ rib_bump_gen(rnh);
if (rnd->rnd_nhop == NULL)
rnh->rnh_prefixes--;
Index: sys/net/route/route_var.h
===================================================================
--- sys/net/route/route_var.h
+++ sys/net/route/route_var.h
@@ -60,7 +60,7 @@
rn_walktree_t *rnh_walktree; /* traverse tree */
rn_walktree_from_t *rnh_walktree_from; /* traverse tree below a */
rnh_preadd_entry_f_t *rnh_preadd; /* hook to alter record prior to insertion */
- rt_gen_t rnh_gen; /* generation counter */
+ rt_gen_t rnh_gen; /* datapath generation counter */
int rnh_multipath; /* multipath capable ? */
struct radix_node rnh_nodes[3]; /* empty tree for common case */
struct rmlock rib_lock; /* config/data path lock */
@@ -71,6 +71,9 @@
struct callout expire_callout; /* Callout for expiring dynamic routes */
time_t next_expire; /* Next expire run ts */
uint32_t rnh_prefixes; /* Number of prefixes */
+#ifdef FIB_ALGO
+ rt_gen_t rnh_gen_rib; /* rib generation counter */
+#endif
uint32_t rib_dying:1; /* rib is detaching */
uint32_t rib_algo_fixed:1;/* fixed algorithm */
struct nh_control *nh_control; /* nexthop subsystem data */
@@ -116,6 +119,16 @@
_Static_assert(__offsetof(struct route, ro_dst) == __offsetof(_ro_new, _dst_new),\
"ro_dst and " #_dst_new " are at different offset")
+static inline void
+rib_bump_gen(struct rib_head *rnh)
+{
+#ifdef FIB_ALGO
+ rnh->rnh_gen_rib++;
+#else
+ rnh->rnh_gen++;
+#endif
+}
+
struct rib_head *rt_tables_get_rnh(uint32_t table, sa_family_t family);
int rt_getifa_fib(struct rt_addrinfo *info, u_int fibnum);
struct rib_cmd_info;

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