From: Feng Lu <[email protected]> zebra_vrf_enable() is the callback for VRF_ENABLE_HOOK. It presently needs do nothing.
zebra_vrf_disable() is the callback for VRF_DISABLE_HOOK. It presently withdraws routes, shuts down interfaces, and clears the router-id candidates in that VRF. Signed-off-by: Feng Lu <[email protected]> Reviewed-by: Alain Ritoux <[email protected]> Signed-off-by: Nicolas Dichtel <[email protected]> --- zebra/main.c | 40 ++++++++++++++++++++++++++++++++++++++++ zebra/rib.h | 1 + zebra/test_main.c | 37 +++++++++++++++++++++++++++++++++++++ zebra/zebra_rib.c | 2 +- 4 files changed, 79 insertions(+), 1 deletion(-) diff --git a/zebra/main.c b/zebra/main.c index c7e3b68c3e3c..1e9757b612cd 100644 --- a/zebra/main.c +++ b/zebra/main.c @@ -221,11 +221,51 @@ zebra_vrf_new (vrf_id_t vrf_id, void **info) return 0; } +/* Callback upon enabling a VRF. */ +static int +zebra_vrf_enable (vrf_id_t vrf_id, void **info) +{ + struct zebra_vrf *zvrf = (struct zebra_vrf *) (*info); + + assert (zvrf); + + return 0; +} + +/* Callback upon disabling a VRF. */ +static int +zebra_vrf_disable (vrf_id_t vrf_id, void **info) +{ + struct zebra_vrf *zvrf = (struct zebra_vrf *) (*info); + struct listnode *list_node; + struct interface *ifp; + + assert (zvrf); + + rib_close_table (zvrf->table[AFI_IP][SAFI_UNICAST]); + rib_close_table (zvrf->table[AFI_IP6][SAFI_UNICAST]); + + for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), list_node, ifp)) + { + int operative = if_is_operative (ifp); + UNSET_FLAG (ifp->flags, IFF_UP); + if (operative) + if_down (ifp); + } + + list_delete_all_node (zvrf->rid_all_sorted_list); + list_delete_all_node (zvrf->rid_lo_sorted_list); + + return 0; +} + /* Zebra VRF initialization. */ static void zebra_vrf_init (void) { vrf_add_hook (VRF_NEW_HOOK, zebra_vrf_new); + vrf_add_hook (VRF_ENABLE_HOOK, zebra_vrf_enable); + vrf_add_hook (VRF_DISABLE_HOOK, zebra_vrf_disable); vrf_init (); } diff --git a/zebra/rib.h b/zebra/rib.h index 06aa3535de4d..5663f3033845 100644 --- a/zebra/rib.h +++ b/zebra/rib.h @@ -473,6 +473,7 @@ extern struct rib *rib_lookup_ipv4 (struct prefix_ipv4 *, vrf_id_t); extern void rib_update (vrf_id_t); extern void rib_weed_tables (void); extern void rib_sweep_route (void); +extern void rib_close_table (struct route_table *); extern void rib_close (void); extern void rib_init (void); extern unsigned long rib_score_proto (u_char proto); diff --git a/zebra/test_main.c b/zebra/test_main.c index aad616f7f62d..17014ea7312b 100644 --- a/zebra/test_main.c +++ b/zebra/test_main.c @@ -212,11 +212,48 @@ zebra_vrf_new (vrf_id_t vrf_id, void **info) return 0; } +/* Callback upon enabling a VRF. */ +static int +zebra_vrf_enable (vrf_id_t vrf_id, void **info) +{ + struct zebra_vrf *zvrf = (struct zebra_vrf *) (*info); + + assert (zvrf); + + return 0; +} + +/* Callback upon disabling a VRF. */ +static int +zebra_vrf_disable (vrf_id_t vrf_id, void **info) +{ + struct zebra_vrf *zvrf = (struct zebra_vrf *) (*info); + struct listnode *list_node; + struct interface *ifp; + + assert (zvrf); + + rib_close_table (zvrf->table[AFI_IP][SAFI_UNICAST]); + rib_close_table (zvrf->table[AFI_IP6][SAFI_UNICAST]); + + for (ALL_LIST_ELEMENTS_RO (vrf_iflist (vrf_id), list_node, ifp)) + { + int operative = if_is_operative (ifp); + UNSET_FLAG (ifp->flags, IFF_UP); + if (operative) + if_down (ifp); + } + + return 0; +} + /* Zebra VRF initialization. */ static void zebra_vrf_init (void) { vrf_add_hook (VRF_NEW_HOOK, zebra_vrf_new); + vrf_add_hook (VRF_ENABLE_HOOK, zebra_vrf_enable); + vrf_add_hook (VRF_DISABLE_HOOK, zebra_vrf_disable); vrf_init (); } diff --git a/zebra/zebra_rib.c b/zebra/zebra_rib.c index f3da4ed01ed5..73e265a5b020 100644 --- a/zebra/zebra_rib.c +++ b/zebra/zebra_rib.c @@ -3278,7 +3278,7 @@ rib_score_proto (u_char proto) } /* Close RIB and clean up kernel routes. */ -static void +void rib_close_table (struct route_table *table) { struct route_node *rn; -- 2.2.2 _______________________________________________ Quagga-dev mailing list [email protected] https://lists.quagga.net/mailman/listinfo/quagga-dev
