--- /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.
+ */
+/**
+ * @file
+ * @brief LISP-GPE definitions.
+ */
+
+#ifndef included_vnet_lisp_gpe_h
+#define included_vnet_lisp_gpe_h
+
+#include <vppinfra/error.h>
+#include <vppinfra/mhash.h>
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/l2/l2_input.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/ip/ip4_packet.h>
+#include <vnet/ip/udp.h>
+#include <vnet/lisp-cp/lisp_types.h>
+#include <vnet/lisp-gpe/lisp_gpe_packet.h>
+#include <vnet/adj/adj_types.h>
+
+/** IP4-UDP-LISP encap header */
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ ip4_header_t ip4; /* 20 bytes */
+ udp_header_t udp; /* 8 bytes */
+ lisp_gpe_header_t lisp; /* 8 bytes */
+}) ip4_udp_lisp_gpe_header_t;
+/* *INDENT-ON* */
+
+/** IP6-UDP-LISP encap header */
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ ip6_header_t ip6; /* 40 bytes */
+ udp_header_t udp; /* 8 bytes */
+ lisp_gpe_header_t lisp; /* 8 bytes */
+}) ip6_udp_lisp_gpe_header_t;
+/* *INDENT-ON* */
+
+#define foreach_lisp_gpe_ip_input_next \
+_(DROP, "error-drop") \
+_(IP4_INPUT, "ip4-input") \
+_(IP6_INPUT, "ip6-input") \
+_(L2_INPUT, "l2-input")
+
+/** Enum of possible next nodes post LISP-GPE decap */
+typedef enum
+{
+#define _(s,n) LISP_GPE_INPUT_NEXT_##s,
+ foreach_lisp_gpe_ip_input_next
+#undef _
+ LISP_GPE_INPUT_N_NEXT,
+} lisp_gpe_input_next_t;
+
+typedef enum
+{
+#define lisp_gpe_error(n,s) LISP_GPE_ERROR_##n,
+#include <vnet/lisp-gpe/lisp_gpe_error.def>
+#undef lisp_gpe_error
+ LISP_GPE_N_ERROR,
+} lisp_gpe_error_t;
+
+typedef struct tunnel_lookup
+{
+ /** Lookup lisp-gpe interfaces by dp table (eg. vrf/bridge index) */
+ uword *hw_if_index_by_dp_table;
+
+ /** lookup decap tunnel termination sw_if_index by vni and vice versa */
+ uword *sw_if_index_by_vni;
+
+ // FIXME - Need this?
+ uword *vni_by_sw_if_index;
+} tunnel_lookup_t;
+
+/** LISP-GPE global state*/
+typedef struct lisp_gpe_main
+{
+ /**
+ * @brief DB of all forwarding entries. The Key is:{l-EID,r-EID,vni}
+ * where the EID encodes L2 or L3
+ */
+ uword *lisp_gpe_fwd_entries;
+
+ /**
+ * @brief A Pool of all LISP forwarding entries
+ */
+ struct lisp_gpe_fwd_entry_t_ *lisp_fwd_entry_pool;
+
+ /** Free vlib hw_if_indices */
+ u32 *free_tunnel_hw_if_indices;
+
+ u8 is_en;
+
+ /* L3 data structures
+ * ================== */
+ tunnel_lookup_t l3_ifaces;
+
+ /* L2 data structures
+ * ================== */
+
+ /** L2 LISP FIB */
+ BVT (clib_bihash) l2_fib;
+
+ tunnel_lookup_t l2_ifaces;
+
+ /** Load-balance for a miss in the table */
+ dpo_id_t l2_lb_cp_lkup;
+
+ /** convenience */
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+ ip4_main_t *im4;
+ ip6_main_t *im6;
+ ip_lookup_main_t *lm4;
+ ip_lookup_main_t *lm6;
+} lisp_gpe_main_t;
+
+/** LISP-GPE global state*/
+lisp_gpe_main_t lisp_gpe_main;
+
+always_inline lisp_gpe_main_t *
+vnet_lisp_gpe_get_main ()
+{
+ return &lisp_gpe_main;
+}
+
+
+extern vlib_node_registration_t lisp_gpe_ip4_input_node;
+extern vlib_node_registration_t lisp_gpe_ip6_input_node;
+extern vnet_hw_interface_class_t lisp_gpe_hw_class;
+
+u8 *format_lisp_gpe_header_with_length (u8 * s, va_list * args);
+
+/** Read LISP-GPE status */
+u8 vnet_lisp_gpe_enable_disable_status (void);
+
+u32
+lisp_gpe_l3_iface_find_or_create (lisp_gpe_main_t * lgm,
+ u32 overlay_table_id, u32 vni);
+
+/** Add/del LISP-GPE interface. */
+extern void lisp_gpe_del_l2_iface (lisp_gpe_main_t * lgm, u32 vni, u32 bd_id);
+extern u32 lisp_gpe_add_l2_iface (lisp_gpe_main_t * lgm, u32 vni, u32 bd_id);
+extern void lisp_gpe_del_l3_iface (lisp_gpe_main_t * lgm, u32 vni, u32 bd_id);
+extern u32 lisp_gpe_add_l3_iface (lisp_gpe_main_t * lgm, u32 vni, u32 bd_id);
+
+
+typedef struct
+{
+ u8 is_en;
+} vnet_lisp_gpe_enable_disable_args_t;
+
+clib_error_t
+ * vnet_lisp_gpe_enable_disable (vnet_lisp_gpe_enable_disable_args_t * a);
+
+typedef enum
+{
+ NO_ACTION,
+ FORWARD_NATIVE,
+ SEND_MAP_REQUEST,
+ DROP
+} negative_fwd_actions_e;
+
+/** */
+typedef struct
+{
+ u8 is_add;
+
+ /** type of mapping */
+ u8 is_negative;
+
+ /** action for negative mappings */
+ negative_fwd_actions_e action;
+
+ /** local eid */
+ gid_address_t lcl_eid;
+
+ /** remote eid */
+ gid_address_t rmt_eid;
+
+ /** vector of locator pairs */
+ locator_pair_t *locator_pairs;
+
+ /** FIB index to lookup remote locator at encap */
+ u32 encap_fib_index;
+
+ /** FIB index to lookup inner IP at decap */
+ u32 decap_fib_index;
+
+ /* TODO remove */
+ u32 decap_next_index;
+
+ /** VNI/tenant id in HOST byte order */
+ u32 vni;
+
+ /** vrf or bd where fwd entry should be inserted */
+ union
+ {
+ /** table (vrf) id */
+ u32 table_id;
+
+ /** bridge domain id */
+ u16 bd_id;
+
+ /** generic access */
+ u32 dp_table;
+ };
+} vnet_lisp_gpe_add_del_fwd_entry_args_t;
+
+#define foreach_lgpe_ip4_lookup_next \
+ _(DROP, "error-drop") \
+ _(LISP_CP_LOOKUP, "lisp-cp-lookup")
+
+typedef enum lgpe_ip4_lookup_next
+{
+#define _(sym,str) LGPE_IP4_LOOKUP_NEXT_##sym,
+ foreach_lgpe_ip4_lookup_next
+#undef _
+ LGPE_IP4_LOOKUP_N_NEXT,
+} lgpe_ip4_lookup_next_t;
+
+#define foreach_lgpe_ip6_lookup_next \
+ _(DROP, "error-drop") \
+ _(LISP_CP_LOOKUP, "lisp-cp-lookup")
+
+typedef enum lgpe_ip6_lookup_next
+{
+#define _(sym,str) LGPE_IP6_LOOKUP_NEXT_##sym,
+ foreach_lgpe_ip6_lookup_next
+#undef _
+ LGPE_IP6_LOOKUP_N_NEXT,
+} lgpe_ip6_lookup_next_t;
+
+u8 *format_vnet_lisp_gpe_status (u8 * s, va_list * args);
+
+#endif /* included_vnet_lisp_gpe_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff