182d8b2ddb
Move sr_mpls folder under vnet to the plugin folder, update cmake configuration and header paths, and add plugin.c to register plugin. JIRA: VPP-2054 Type: improvement Change-Id: I1ad6f287f67eb0c35588c339bcd51218fadf5f8e Signed-off-by: Scott Hutton <schutton@cisco.com>
178 lines
4.6 KiB
C
178 lines
4.6 KiB
C
/*
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* Copyright (c) 2015 Cisco and/or its affiliates. Licensed under the Apache
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* License, Version 2.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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/**
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* @file
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* @brief Segment Routing MPLS data structures definitions
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*
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*/
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#ifndef included_vnet_srmpls_h
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#define included_vnet_srmpls_h
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#include <vnet/vnet.h>
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#include <vnet/mpls/packet.h>
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#include <vnet/fib/mpls_fib.h>
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#include <vnet/ip/ip.h>
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#include <vnet/ip/lookup.h>
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#include <vnet/dpo/dpo.h>
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#include <vnet/dpo/replicate_dpo.h>
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#include <stdlib.h>
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#include <string.h>
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/* SR policy types */
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#define SR_POLICY_TYPE_DEFAULT 0
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#define SR_POLICY_TYPE_SPRAY 1
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#define SR_SEGMENT_LIST_WEIGHT_DEFAULT 1
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#define SR_STEER_IPV4 4
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#define SR_STEER_IPV6 6
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#define SR_TE_CO_BITS_00 0
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#define SR_TE_CO_BITS_01 1
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#define SR_TE_CO_BITS_10 2
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#define SR_TE_CO_BITS_11 3
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/**
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* @brief SR Segment List (SID list)
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*/
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typedef struct
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{
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/* SIDs (key) */
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mpls_label_t *segments;
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/* SID list weight (wECMP / UCMP) */
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u32 weight;
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} mpls_sr_sl_t;
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typedef struct
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{
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u32 *segments_lists; /**< Pool of SID lists indexes */
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mpls_label_t bsid; /**< BindingSID (key) */
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u8 type; /**< Type (default is 0) */
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/* SR Policy specific DPO */
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/* IF Type = DEFAULT Then Load-Balancer DPO among SID lists */
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/* IF Type = SPRAY then Spray DPO with all SID lists */
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ip46_address_t endpoint; /**< Optional NH for SR TE */
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u8 endpoint_type;
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u32 color; /**< Optional color for SR TE */
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} mpls_sr_policy_t;
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/**
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* @brief Steering db key
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*
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* L3 is IPv4/IPv6 + mask
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*/
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typedef struct
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{
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ip46_address_t prefix; /**< IP address of the prefix */
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u32 mask_width; /**< Mask width of the prefix */
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u32 fib_table; /**< VRF of the prefix */
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u8 traffic_type; /**< Traffic type (IPv4, IPv6, L2) */
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u8 padding[3];
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} sr_mpls_steering_key_t;
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typedef struct
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{
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sr_mpls_steering_key_t classify; /**< Traffic classification */
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mpls_label_t bsid; /**< SR Policy index */
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ip46_address_t next_hop; /**< SR TE NH */
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char nh_type;
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u32 *color; /**< Vector of SR TE colors */
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char co_bits; /**< Color-Only bits */
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mpls_label_t vpn_label;
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} mpls_sr_steering_policy_t;
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/**
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* @brief Segment Routing main datastructure
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*/
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typedef struct
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{
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/* SR SID lists */
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mpls_sr_sl_t *sid_lists;
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/* SR MPLS policies */
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mpls_sr_policy_t *sr_policies;
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/* Hash table mapping BindingSID to SR MPLS policy */
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uword *sr_policies_index_hash;
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/* Pool of SR steer policies instances */
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mpls_sr_steering_policy_t *steer_policies;
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/* MHash table mapping steering rules to SR steer instance */
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mhash_t sr_steer_policies_hash;
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/** SR TE **/
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/* Hash table mapping (Color->Endpoint->BSID) for SR policies */
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mhash_t sr_policies_c2e2eclabel_hash;
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/* SR TE (internal) fib table (Endpoint, Color) */
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u32 fib_table_EC;
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/* Pool of (Endpoint, Color) hidden labels */
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u32 *ec_labels;
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/* convenience */
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vlib_main_t *vlib_main;
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vnet_main_t *vnet_main;
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} mpls_sr_main_t;
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extern mpls_sr_main_t sr_mpls_main;
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extern int
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sr_mpls_policy_add (mpls_label_t bsid, mpls_label_t * segments,
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u8 behavior, u32 weight);
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extern int
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sr_mpls_policy_mod (mpls_label_t bsid, u8 operation,
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mpls_label_t * segments, u32 sl_index, u32 weight);
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extern int sr_mpls_policy_del (mpls_label_t bsid);
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extern int
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sr_mpls_policy_assign_endpoint_color (mpls_label_t bsid,
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ip46_address_t * endpoint,
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u8 endpoint_type, u32 color);
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extern int
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sr_mpls_steering_policy_add (mpls_label_t bsid, u32 table_id,
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ip46_address_t * prefix, u32 mask_width,
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u8 traffic_type, ip46_address_t * next_hop,
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u8 nh_type, u32 color, char co_bits,
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mpls_label_t vpn_label);
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extern int
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sr_mpls_steering_policy_del (ip46_address_t * prefix,
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u32 mask_width, u8 traffic_type, u32 table_id,
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u32 color);
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extern u32 find_or_create_internal_label (ip46_address_t endpoint, u32 color);
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extern void internal_label_lock (ip46_address_t endpoint, u32 color);
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extern void internal_label_unlock (ip46_address_t endpoint, u32 color);
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#endif /* included_vnet_sr_mpls_h */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables: eval: (c-set-style "gnu") End:
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*/
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