From a23197980e40d4d9414bcfaf59005a1dc2a89251 Mon Sep 17 00:00:00 2001 From: sreejith Date: Wed, 29 Mar 2017 01:15:02 -0400 Subject: Added vpp intial source code from master branch 17.01.1 Change-Id: I81bdace6f330825a1746a853766779dfb24765fd Signed-off-by: sreejith --- vpp/vnet/vnet/lisp-cp/control.h | 314 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 314 insertions(+) create mode 100644 vpp/vnet/vnet/lisp-cp/control.h (limited to 'vpp/vnet/vnet/lisp-cp/control.h') diff --git a/vpp/vnet/vnet/lisp-cp/control.h b/vpp/vnet/vnet/lisp-cp/control.h new file mode 100644 index 00000000..e89c6fd6 --- /dev/null +++ b/vpp/vnet/vnet/lisp-cp/control.h @@ -0,0 +1,314 @@ +/* + * Copyright (c) 2016 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef VNET_CONTROL_H_ +#define VNET_CONTROL_H_ + +#include +#include +#include + +#define NUMBER_OF_RETRIES 1 +#define PENDING_MREQ_EXPIRATION_TIME 3.0 /* seconds */ +#define PENDING_MREQ_QUEUE_LEN 5 + +#define PENDING_MREG_EXPIRATION_TIME 3.0 /* seconds */ +#define RLOC_PROBING_INTERVAL 60.0 + +/* when map-registration is enabled "quick registration" takes place first. + In this mode ETR sends map-register messages at an increased frequency + until specified message count is reached */ +#define QUICK_MAP_REGISTER_MSG_COUNT 3 +#define QUICK_MAP_REGISTER_INTERVAL 3.0 + +/* normal map-register period */ +#define MAP_REGISTER_INTERVAL 60.0 + +/* 15 minutes */ +#define MAP_REGISTER_DEFAULT_TTL 900 + +typedef struct +{ + gid_address_t src; + gid_address_t dst; + u32 retries_num; + f64 time_to_expire; + u8 is_smr_invoked; + u64 *nonces; + u8 to_be_removed; +} pending_map_request_t; + +typedef struct +{ + gid_address_t leid; + gid_address_t reid; + u8 is_src_dst; + locator_pair_t *locator_pairs; +} fwd_entry_t; + +typedef struct +{ + gid_address_t leid; + gid_address_t reid; +} lisp_adjacency_t; + +typedef enum +{ + IP4_MISS_PACKET, + IP6_MISS_PACKET +} miss_packet_type_t; + +/* map-server/map-resolver structure */ +typedef struct +{ + u8 is_down; + f64 last_update; + ip_address_t address; + char *key; +} lisp_msmr_t; + +typedef struct +{ + /* headers */ + u8 data[100]; + u32 length; + miss_packet_type_t type; +} miss_packet_t; + +typedef enum +{ + MR_MODE_DST_ONLY = 0, + MR_MODE_SRC_DST, + _MR_MODE_MAX +} map_request_mode_t; + +typedef struct +{ + /* LISP feature status */ + u8 is_enabled; + + /* eid table */ + gid_dictionary_t mapping_index_by_gid; + + /* pool of mappings */ + mapping_t *mapping_pool; + + /* hash map of secret keys by mapping index */ + u8 *key_by_mapping_index; + + /* pool of locators */ + locator_t *locator_pool; + + /* pool of locator-sets */ + locator_set_t *locator_set_pool; + + /* vector of locator-set vectors composed of and indexed by locator index */ + u32 **locator_to_locator_sets; + + /* hash map of locators by name */ + uword *locator_set_index_by_name; + + /* vector of eid index vectors supported and indexed by locator-set index */ + u32 **locator_set_to_eids; + + /* vectors of indexes for local locator-sets and mappings */ + u32 *local_mappings_indexes; + u32 *local_locator_set_indexes; + + /* hash map of forwarding entries by mapping index */ + u32 *fwd_entry_by_mapping_index; + + /* forwarding entries pool */ + fwd_entry_t *fwd_entry_pool; + + /* hash map keyed by nonce of pending map-requests */ + uword *pending_map_requests_by_nonce; + + /* pool of pending map requests */ + pending_map_request_t *pending_map_requests_pool; + + /* hash map of sent map register messages */ + uword *map_register_messages_by_nonce; + + /* vector of map-resolvers */ + lisp_msmr_t *map_resolvers; + + /* vector of map-servers */ + lisp_msmr_t *map_servers; + + /* map resolver address currently being used for sending requests. + * This has to be an actual address and not an index to map_resolvers vector + * since the vector may be modified during request resend/retry procedure + * and break things :-) */ + ip_address_t active_map_resolver; + + u8 do_map_resolver_election; + + /* map-request locator set index */ + u32 mreq_itr_rlocs; + + /* vni to vrf hash tables */ + uword *table_id_by_vni; + uword *vni_by_table_id; + + /* vni to bd-index hash tables */ + uword *bd_id_by_vni; + uword *vni_by_bd_id; + + /* track l2 and l3 interfaces that have been created for vni */ + uword *l2_dp_intf_by_vni; + + /* Proxy ETR map index */ + u32 pitr_map_index; + + /* LISP PITR mode */ + u8 lisp_pitr; + + /* map request mode */ + u8 map_request_mode; + + /* enable/disable map registering */ + u8 map_registering; + + /* enable/disable rloc-probing */ + u8 rloc_probing; + + /* timing wheel for mappping timeouts */ + timing_wheel_t wheel; + + /* commodity */ + ip4_main_t *im4; + ip6_main_t *im6; + vlib_main_t *vlib_main; + vnet_main_t *vnet_main; +} lisp_cp_main_t; + +/* lisp-gpe control plane */ +lisp_cp_main_t lisp_control_main; + +extern vlib_node_registration_t lisp_cp_input_node; +extern vlib_node_registration_t lisp_cp_lookup_ip4_node; +extern vlib_node_registration_t lisp_cp_lookup_ip6_node; + +clib_error_t *lisp_cp_init (); + +always_inline lisp_cp_main_t * +vnet_lisp_cp_get_main () +{ + return &lisp_control_main; +} + +typedef struct +{ + u8 is_add; + union + { + u8 *name; + u32 index; + }; + locator_t *locators; + u8 local; +} vnet_lisp_add_del_locator_set_args_t; + +int +vnet_lisp_add_del_locator_set (vnet_lisp_add_del_locator_set_args_t * a, + u32 * ls_index); +int +vnet_lisp_add_del_locator (vnet_lisp_add_del_locator_set_args_t * a, + locator_set_t * ls, u32 * ls_index); + +typedef struct +{ + u8 is_add; + gid_address_t eid; + u32 locator_set_index; + + u32 ttl; + u8 action; + u8 authoritative; + + u8 local; + u8 is_static; + u8 *key; + u8 key_id; +} vnet_lisp_add_del_mapping_args_t; + +int +vnet_lisp_map_cache_add_del (vnet_lisp_add_del_mapping_args_t * a, + u32 * map_index); +int +vnet_lisp_add_del_local_mapping (vnet_lisp_add_del_mapping_args_t * a, + u32 * map_index_result); + +int +vnet_lisp_add_del_mapping (gid_address_t * deid, locator_t * dlocs, u8 action, + u8 authoritative, u32 ttl, u8 is_add, u8 is_static, + u32 * res_map_index); + +typedef struct +{ + gid_address_t reid; + gid_address_t leid; + u8 is_add; +} vnet_lisp_add_del_adjacency_args_t; + +int vnet_lisp_add_del_adjacency (vnet_lisp_add_del_adjacency_args_t * a); + +typedef struct +{ + u8 is_add; + ip_address_t address; +} vnet_lisp_add_del_map_resolver_args_t; + +int +vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t * a); +int vnet_lisp_add_del_map_server (ip_address_t * addr, u8 is_add); + +clib_error_t *vnet_lisp_enable_disable (u8 is_enabled); +u8 vnet_lisp_enable_disable_status (void); + +int vnet_lisp_pitr_set_locator_set (u8 * locator_set_name, u8 is_add); + +typedef struct +{ + u8 is_add; + u8 *locator_set_name; +} vnet_lisp_add_del_mreq_itr_rloc_args_t; + +int +vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t * a); + +int vnet_lisp_clear_all_remote_adjacencies (void); + +int vnet_lisp_eid_table_map (u32 vni, u32 vrf, u8 is_l2, u8 is_add); +int vnet_lisp_add_del_map_table_key (gid_address_t * eid, char *key, + u8 is_add); +int vnet_lisp_set_map_request_mode (u8 mode); +u8 vnet_lisp_get_map_request_mode (void); +lisp_adjacency_t *vnet_lisp_adjacencies_get_by_vni (u32 vni); +int vnet_lisp_rloc_probe_enable_disable (u8 is_enable); +int vnet_lisp_map_register_enable_disable (u8 is_enable); +u8 vnet_lisp_map_register_state_get (void); +u8 vnet_lisp_rloc_probe_state_get (void); + +#endif /* VNET_CONTROL_H_ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg