/* * 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 typedef enum { IP4, IP6 } ip_address_type_t; typedef CLIB_PACKED(struct ip_address { union { ip4_address_t v4; ip6_address_t v6; } ip; u8 version; }) ip_address_t; #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 (ip_address_t * ip1, ip_address_t * ip2); void ip_address_copy (ip_address_t * dst , ip_address_t * src); void ip_address_copy_addr (void * dst , ip_address_t * src); void ip_address_set(ip_address_t * dst, void * src, u8 version); typedef CLIB_PACKED(struct ip_prefix { ip_address_t addr; u8 len; }) ip_prefix_t; #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)) 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_TYPES } lcaf_type_t; struct _gid_address_t; typedef struct { u8 src_len; u8 dst_len; struct _gid_address_t *src; struct _gid_address_t *dst; } source_dest_t; #define SD_CAST (source_dest_t *) #define sd_dst_gid(_a) (SD_CAST _a)->dst #define sd_src_gid(_a) (SD_CAST _a)->src 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]; }; 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); /* LISP AFI codes */ typedef enum { LISP_AFI_NO_ADDR, LISP_AFI_IP, LISP_AFI_IP6, LISP_AFI_MAC = 6, LISP_AFI_LCAF = 16387 } 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); #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_dest_pref(_a) \ gid_address_ippref(sd_dst_gid(_a)) #define gid_address_sd_source_pref(_a) \ gid_address_ippref(sd_src_gid(_a)) /* 'sub'address functions */ #define foreach_gid_address_type_fcns \ _(ip_prefix) \ _(lcaf) \ _(mac) #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 _ 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; } 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 */ u32 locator_set_index; u32 ttl; u8 action; u8 authoritative; u8 local; } mapping_t; uword unformat_negative_mapping_action (unformat_input_t * input, va_list * args); #endif /* VNET_LISP_GPE_LISP_TYPES_H_ */