--- /dev/null
+/*
+ * 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 <vnet/ip/ip.h>
+#include <lisp/lisp-cp/lisp_cp_messages.h>
+
+#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
+{
+ /* 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_NSH,
+ GID_ADDR_ARP,
+ GID_ADDR_NDP,
+ 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_NSH = 17,
+ LCAF_TYPES
+} lcaf_type_t;
+
+typedef enum fid_addr_type_t_
+{
+ FID_ADDR_IP_PREF,
+ FID_ADDR_MAC,
+ FID_ADDR_NSH
+} __attribute__ ((packed)) fid_addr_type_t;
+
+/* flat address type */
+typedef struct
+{
+ union
+ {
+ ip_prefix_t ippref;
+ u8 mac[6];
+ u32 nsh;
+ };
+ 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_prefix_length(_a) ip_prefix_len(&fid_addr_ippref(_a))
+#define fid_addr_ip_version(_a) ip_prefix_version(&fid_addr_ippref(_a))
+#define fid_addr_mac(_a) (_a)->mac
+#define fid_addr_nsh(_a) (_a)->nsh
+#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
+{
+ u32 spi;
+ u8 si;
+} nsh_t;
+
+#define nsh_spi(_a) (_a)->spi
+#define nsh_si(_a) (_a)->si
+
+typedef struct
+{
+ ip_address_t addr;
+ u32 bd;
+} lcaf_arp_ndp_t;
+
+#define lcaf_arp_ndp_ip(_a) (_a)->addr
+#define lcaf_arp_ndp_ip_ver(_a) ip_addr_version(&lcaf_arp_ndp_ip(_a))
+#define lcaf_arp_ndp_ip4(_a) ip_addr_v4(&lcaf_arp_ndp_ip(_a))
+#define lcaf_arp_ndp_ip6(_a) ip_addr_v6(&lcaf_arp_ndp_ip(_a))
+#define lcaf_arp_ndp_bd(_a) (_a)->bd
+
+typedef struct
+{
+ /* the union needs to be at the beginning! */
+ union
+ {
+ source_dest_t sd;
+ lcaf_arp_ndp_t arp_ndp;
+ 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;
+ lcaf_arp_ndp_t arp_ndp;
+ nsh_t nsh;
+ };
+ u8 type;
+ u32 vni;
+ u8 vni_mask;
+} gid_address_t;
+
+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_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_nsh(_a) (_a)->nsh
+#define gid_address_nsh_spi(_a) nsh_spi(&gid_address_nsh(_a))
+#define gid_address_nsh_si(_a) nsh_si(&gid_address_nsh(_a))
+#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))
+#define gid_address_arp_ndp(_a) (_a)->arp_ndp
+#define gid_address_arp_ndp_bd(_a) lcaf_arp_ndp_bd(&gid_address_arp_ndp(_a))
+#define gid_address_arp_ndp_ip(_a) lcaf_arp_ndp_ip(&gid_address_arp_ndp(_a))
+#define gid_address_arp_ip4(_a) lcaf_arp_ndp_ip4(&gid_address_arp_ndp(_a))
+#define gid_address_ndp_ip6(_a) lcaf_arp_ndp_ip6(&gid_address_arp_ndp(_a))
+#define gid_address_ndp_bd gid_address_arp_ndp_bd
+#define gid_address_arp_bd gid_address_arp_ndp_bd
+
+/* 'sub'address functions */
+#define foreach_gid_address_type_fcns \
+ _(no_addr) \
+ _(ip_prefix) \
+ _(lcaf) \
+ _(mac) \
+ _(nsh) \
+ _(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:1;
+ u8 local:1;
+ /* valid only for remote mappings */
+ u8 is_static:1;
+ u8 pitr_set:1;
+ u8 nsh_set:1;
+ u8 almost_expired:1;
+ u8 delete_after_expiration:1;
+ u8 rsvd:1;
+
+ u8 *key;
+ lisp_key_type_t key_id;
+ u8 timer_set;
+ u32 timer_handle;
+ counter_t packets;
+} 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);
+void gid_to_dp_address (gid_address_t * g, dp_address_t * d);
+
+#endif /* VNET_LISP_GPE_LISP_TYPES_H_ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
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