diff options
Diffstat (limited to 'zebra/zebra_nhg.c')
| -rw-r--r-- | zebra/zebra_nhg.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/zebra/zebra_nhg.c b/zebra/zebra_nhg.c index e05db5ffae..bb95e72382 100644 --- a/zebra/zebra_nhg.c +++ b/zebra/zebra_nhg.c @@ -49,6 +49,9 @@ DEFINE_MTYPE_STATIC(ZEBRA, NHG_CTX, "Nexthop Group Context"); /* id counter to keep in sync with kernel */ uint32_t id_counter; +/* */ +static bool g_nexthops_enabled = true; + static struct nhg_hash_entry *depends_find(const struct nexthop *nh, afi_t afi); static void depends_add(struct nhg_connected_tree_head *head, @@ -1485,7 +1488,7 @@ static int nexthop_active(afi_t afi, struct route_entry *re, * resolved by a route NH1. The exception is if the route is a * host route. */ - if (top && rn == top) + if (rn == top) if (((afi == AFI_IP) && (rn->p.prefixlen != 32)) || ((afi == AFI_IP6) && (rn->p.prefixlen != 128))) { if (IS_ZEBRA_DEBUG_RIB_DETAILED) @@ -2028,3 +2031,18 @@ void zebra_nhg_sweep_table(struct hash *hash) { hash_iterate(hash, zebra_nhg_sweep_entry, NULL); } + +/* Global control to disable use of kernel nexthops, if available. We can't + * force the kernel to support nexthop ids, of course, but we can disable + * zebra's use of them, for testing e.g. By default, if the kernel supports + * nexthop ids, zebra uses them. + */ +void zebra_nhg_enable_kernel_nexthops(bool set) +{ + g_nexthops_enabled = set; +} + +bool zebra_nhg_kernel_nexthops_enabled(void) +{ + return g_nexthops_enabled; +} |