diff options
Diffstat (limited to 'zebra/zebra_nhg.h')
| -rw-r--r-- | zebra/zebra_nhg.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/zebra/zebra_nhg.h b/zebra/zebra_nhg.h index 3bb697aa75..712c1057a1 100644 --- a/zebra/zebra_nhg.h +++ b/zebra/zebra_nhg.h @@ -152,6 +152,25 @@ struct nhg_hash_entry { * when installation is successful. */ #define NEXTHOP_GROUP_REINSTALL (1 << 8) + +/* + * Connected routes and kernel routes received + * from the kernel or created by Zebra do no + * need to be installed. For connected, this + * is because the routes are in the local table + * but not imported and we create an amalgram + * route for it. For kernel routes if the route + * is an pre-nhg route, there is no nexthop associated + * with it and we should not create it until it + * is used by something else. + * The reason for this is because is that this just + * fills up the DPlane's nexthop slots when there + * are a bunch of interfaces or pre-existing routes + * As such let's not initially install it ( but + * pretend it was successful ) and if another route + * chooses this NHG then we can install it then. + */ +#define NEXTHOP_GROUP_INITIAL_DELAY_INSTALL (1 << 9) }; /* Upper 4 bits of the NHG are reserved for indicating the NHG type */ @@ -364,7 +383,7 @@ extern uint8_t zebra_nhg_nhe2grp(struct nh_grp *grp, struct nhg_hash_entry *nhe, int size); /* Dataplane install/uninstall */ -extern void zebra_nhg_install_kernel(struct nhg_hash_entry *nhe); +extern void zebra_nhg_install_kernel(struct nhg_hash_entry *nhe, uint8_t type); extern void zebra_nhg_uninstall_kernel(struct nhg_hash_entry *nhe); extern void zebra_interface_nhg_reinstall(struct interface *ifp); |