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/lisp_types.h | 354 +++++++++++++++++++++++++++++++++++++ 1 file changed, 354 insertions(+) create mode 100644 vpp/vnet/vnet/lisp-cp/lisp_types.h (limited to 'vpp/vnet/vnet/lisp-cp/lisp_types.h') diff --git a/vpp/vnet/vnet/lisp-cp/lisp_types.h b/vpp/vnet/vnet/lisp-cp/lisp_types.h new file mode 100644 index 00000000..ac58b894 --- /dev/null +++ b/vpp/vnet/vnet/lisp-cp/lisp_types.h @@ -0,0 +1,354 @@ +/* + * 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_LISP_GPE_LISP_TYPES_H_ +#define VNET_LISP_GPE_LISP_TYPES_H_ + +#include +#include + +#define SHA1_AUTH_DATA_LEN 20 +#define SHA256_AUTH_DATA_LEN 32 + +typedef enum +{ + HMAC_NO_KEY = 0, + HMAC_SHA_1_96, + HMAC_SHA_256_128 +} lisp_key_type_t; + +uword unformat_hmac_key_id (unformat_input_t * input, va_list * args); +u8 *format_hmac_key_id (u8 * s, va_list * args); + +typedef enum +{ + IP4, + IP6 +} ip_address_type_t; + +/* *INDENT-OFF* */ +typedef CLIB_PACKED(struct ip_address +{ + union + { + ip4_address_t v4; + ip6_address_t v6; + } ip; + u8 version; +}) ip_address_t; +/* *INDENT-ON* */ + +#define ip_addr_addr(_a) (_a)->ip +#define ip_addr_v4(_a) (_a)->ip.v4 +#define ip_addr_v6(_a) (_a)->ip.v6 +#define ip_addr_version(_a) (_a)->version + +int ip_address_cmp (const ip_address_t * ip1, const ip_address_t * ip2); +void ip_address_copy (ip_address_t * dst, const ip_address_t * src); +void ip_address_copy_addr (void *dst, const ip_address_t * src); +void ip_address_set (ip_address_t * dst, const void *src, u8 version); + +/* *INDENT-OFF* */ +typedef CLIB_PACKED(struct ip_prefix +{ + ip_address_t addr; + u8 len; +}) ip_prefix_t; +/* *INDENT-ON* */ + +#define ip_prefix_addr(_a) (_a)->addr +#define ip_prefix_version(_a) ip_addr_version(&ip_prefix_addr(_a)) +#define ip_prefix_len(_a) (_a)->len +#define ip_prefix_v4(_a) ip_addr_v4(&ip_prefix_addr(_a)) +#define ip_prefix_v6(_a) ip_addr_v6(&ip_prefix_addr(_a)) + +void ip_prefix_normalize (ip_prefix_t * a); + +extern void ip_address_to_fib_prefix (const ip_address_t * addr, + fib_prefix_t * prefix); +extern void ip_prefix_to_fib_prefix (const ip_prefix_t * ipp, + fib_prefix_t * fibp); + +typedef enum +{ + /* NOTE: ip addresses are left out on purpose. Use max masked ip-prefixes + * instead */ + GID_ADDR_IP_PREFIX, + GID_ADDR_LCAF, + GID_ADDR_MAC, + GID_ADDR_SRC_DST, + GID_ADDR_NO_ADDRESS, + GID_ADDR_TYPES +} gid_address_type_t; + +typedef enum +{ + /* make sure that values corresponds with RFC */ + LCAF_NULL_BODY = 0, + LCAF_AFI_LIST_TYPE, + LCAF_INSTANCE_ID, + LCAF_SOURCE_DEST = 12, + LCAF_TYPES +} lcaf_type_t; + +typedef enum fid_addr_type_t_ +{ + FID_ADDR_IP_PREF, + FID_ADDR_MAC +} __attribute__ ((packed)) fid_addr_type_t; + +/* flat address type */ +typedef struct +{ + union + { + ip_prefix_t ippref; + u8 mac[6]; + }; + fid_addr_type_t type; +} fid_address_t; + +typedef fid_address_t dp_address_t; + +#define fid_addr_ippref(_a) (_a)->ippref +#define fid_addr_mac(_a) (_a)->mac +#define fid_addr_type(_a) (_a)->type +u8 *format_fid_address (u8 * s, va_list * args); + +typedef struct +{ + fid_address_t src; + fid_address_t dst; +} source_dest_t; + +#define sd_dst(_a) (_a)->dst +#define sd_src(_a) (_a)->src +#define sd_src_ippref(_a) fid_addr_ippref(&sd_src(_a)) +#define sd_dst_ippref(_a) fid_addr_ippref(&sd_dst(_a)) +#define sd_src_mac(_a) fid_addr_mac(&sd_src(_a)) +#define sd_dst_mac(_a) fid_addr_mac(&sd_dst(_a)) +#define sd_src_type(_a) fid_addr_type(&sd_src(_a)) +#define sd_dst_type(_a) fid_addr_type(&sd_dst(_a)) + +typedef struct +{ + u8 vni_mask_len; + u32 vni; + struct _gid_address_t *gid_addr; +} vni_t; + +#define vni_vni(_a) (_a)->vni +#define vni_mask_len(_a) (_a)->vni_mask_len +#define vni_gid(_a) (_a)->gid_addr + +typedef struct +{ + /* the union needs to be at the beginning! */ + union + { + source_dest_t sd; + vni_t uni; + }; + u8 type; +} lcaf_t; + +#define lcaf_type(_a) (_a)->type +#define lcaf_vni(_a) vni_vni(& (_a)->uni) +#define lcaf_vni_len(_a) vni_mask_len(& (_a)->uni) + +/* might want to expand this in the future :) */ +typedef struct _gid_address_t +{ + union + { + ip_prefix_t ippref; + lcaf_t lcaf; + u8 mac[6]; + source_dest_t sd; + }; + u8 type; + u32 vni; + u8 vni_mask; +} gid_address_t; + +u8 *format_ip_address (u8 * s, va_list * args); +uword unformat_ip_address (unformat_input_t * input, va_list * args); +u8 *format_ip_prefix (u8 * s, va_list * args); +uword unformat_ip_prefix (unformat_input_t * input, va_list * args); +u8 *format_mac_address (u8 * s, va_list * args); +uword unformat_mac_address (unformat_input_t * input, va_list * args); + +u16 ip4_address_size_to_put (); +u16 ip6_address_size_to_put (); +u32 ip4_address_put (u8 * b, ip4_address_t * a); +u32 ip6_address_put (u8 * b, ip6_address_t * a); + +u16 ip_address_size_to_write (ip_address_t * a); +u16 ip_address_iana_afi (ip_address_t * a); +u8 ip_address_max_len (u8 ver); +u32 ip_address_put (u8 * b, ip_address_t * a); +void ip_address_to_46 (const ip_address_t * addr, + ip46_address_t * a, fib_protocol_t * proto); + +/* LISP AFI codes */ +typedef enum +{ + LISP_AFI_NO_ADDR, + LISP_AFI_IP, + LISP_AFI_IP6, + LISP_AFI_LCAF = 16387, + LISP_AFI_MAC = 16389 +} lisp_afi_e; + +u8 *format_gid_address (u8 * s, va_list * args); +uword unformat_gid_address (unformat_input_t * input, va_list * args); +int gid_address_cmp (gid_address_t * a1, gid_address_t * a2); +void gid_address_free (gid_address_t * a); + +u16 gid_address_size_to_put (gid_address_t * a); +u16 gid_address_put (u8 * b, gid_address_t * gid); +u8 gid_address_len (gid_address_t * a); +void *gid_address_cast (gid_address_t * gid, gid_address_type_t type); +void gid_address_copy (gid_address_t * dst, gid_address_t * src); +u32 gid_address_parse (u8 * offset, gid_address_t * a); +void gid_address_ip_set (gid_address_t * dst, void *src, u8 version); + +#define gid_address_type(_a) (_a)->type +#define gid_address_ippref(_a) (_a)->ippref +#define gid_address_ippref_len(_a) (_a)->ippref.len +#define gid_address_ip(_a) ip_prefix_addr(&gid_address_ippref(_a)) +#define gid_address_ip_version(_a) ip_addr_version(&gid_address_ip(_a)) +#define gid_address_lcaf(_a) (_a)->lcaf +#define gid_address_mac(_a) (_a)->mac +#define gid_address_vni(_a) (_a)->vni +#define gid_address_vni_mask(_a) (_a)->vni_mask +#define gid_address_sd_dst_ippref(_a) sd_dst_ippref(&(_a)->sd) +#define gid_address_sd_src_ippref(_a) sd_src_ippref(&(_a)->sd) +#define gid_address_sd_dst_mac(_a) sd_dst_mac(&(_a)->sd) +#define gid_address_sd_src_mac(_a) sd_src_mac(&(_a)->sd) +#define gid_address_sd(_a) (_a)->sd +#define gid_address_sd_src(_a) sd_src(&gid_address_sd(_a)) +#define gid_address_sd_dst(_a) sd_dst(&gid_address_sd(_a)) +#define gid_address_sd_src_type(_a) sd_src_type(&gid_address_sd(_a)) +#define gid_address_sd_dst_type(_a) sd_dst_type(&gid_address_sd(_a)) + +/* 'sub'address functions */ +#define foreach_gid_address_type_fcns \ + _(ip_prefix) \ + _(lcaf) \ + _(mac) \ + _(sd) + +/* *INDENT-OFF* */ +#define _(_n) \ +u16 _n ## _size_to_write (void * pref); \ +u16 _n ## _write (u8 * p, void * pref); \ +u8 _n ## _length (void *a); \ +void * _n ## _cast (gid_address_t * a); \ +void _n ## _copy (void * dst , void * src); + +foreach_gid_address_type_fcns +#undef _ +/* *INDENT-ON* */ + +always_inline u64 +mac_to_u64 (u8 * m) +{ + return (*((u64 *) m) & 0xffffffffffff); +} + +typedef struct +{ + /* mark locator as local as opposed to remote */ + u8 local; + u8 state; + union + { + u32 sw_if_index; + gid_address_t address; + }; + u8 priority; + u8 weight; + u8 mpriority; + u8 mweight; + u8 probed; +} locator_t; + +u32 locator_parse (void *ptr, locator_t * loc); +void locator_copy (locator_t * dst, locator_t * src); +u32 locator_cmp (locator_t * l1, locator_t * l2); +void locator_free (locator_t * l); + +typedef struct +{ + /* locator-set name */ + u8 *name; + + /* vector of locator indices */ + u32 *locator_indices; + u8 local; +} locator_set_t; + +typedef struct +{ + gid_address_t eid; + + /* index of local locator set */ + union + { + u32 locator_set_index; + locator_t *locators; /* used for map register message */ + }; + + u32 ttl; + u8 action; + u8 authoritative; + + u8 local; + /* valid only for remote mappings */ + u8 is_static; + u8 *key; + lisp_key_type_t key_id; + u8 timer_set; +} mapping_t; + +uword +unformat_negative_mapping_action (unformat_input_t * input, va_list * args); +u8 *format_negative_mapping_action (u8 *, va_list * args); + +typedef struct locator_pair +{ + /* local and remote locators (underlay attachment points) */ + ip_address_t lcl_loc; + ip_address_t rmt_loc; + + u8 priority; + u8 weight; +} locator_pair_t; + +void +build_src_dst (gid_address_t * sd, gid_address_t * src, gid_address_t * dst); + +void gid_address_from_ip (gid_address_t * g, ip_address_t * ip); + +#endif /* VNET_LISP_GPE_LISP_TYPES_H_ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg