/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
+ * 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:
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+
#ifndef included_vnet_lisp_gpe_h
#define included_vnet_lisp_gpe_h
#include <vppinfra/error.h>
-#include <vppinfra/hash.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/lisp-gpe/lisp_gpe_packet.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>
typedef CLIB_PACKED (struct {
ip4_header_t ip4; /* 20 bytes */
lisp_gpe_header_t lisp; /* 8 bytes */
}) ip4_udp_lisp_gpe_header_t;
-typedef CLIB_PACKED(struct {
- /*
- * Key fields: ip src, LISP iid, ??? $$$$$$$$$ correct answer ???
- * all fields in NET byte order
- */
- union {
- struct {
- u32 src;
+typedef CLIB_PACKED (struct {
+ ip6_header_t ip6; /* 40 bytes */
+ udp_header_t udp; /* 8 bytes */
+ lisp_gpe_header_t lisp; /* 8 bytes */
+}) ip6_udp_lisp_gpe_header_t;
+
+typedef struct
+{
+ union
+ {
+ struct
+ {
+ ip_prefix_t eid; /* within the dp only ip and mac can be eids */
+ ip_address_t dst_loc;
u32 iid;
};
- u64 as_u64[1];
+ u8 as_u8[40];
};
-}) lisp_gpe_tunnel_key_t;
+} lisp_gpe_tunnel_key_t;
-typedef struct {
+typedef struct
+{
/* Rewrite string. $$$$ embed vnet_rewrite header */
u8 * rewrite;
u32 decap_next_index;
/* tunnel src and dst addresses */
- ip4_address_t src;
- ip4_address_t dst;
+ ip_address_t src;
+ ip_address_t dst;
/* FIB indices */
u32 encap_fib_index; /* tunnel partner lookup here */
u8 ver_res;
u8 res;
u8 next_protocol;
- u32 iid;
+ u32 vni;
} lisp_gpe_tunnel_t;
-#define foreach_lisp_gpe_input_next \
+#define foreach_lisp_gpe_ip_input_next \
_(DROP, "error-drop") \
_(IP4_INPUT, "ip4-input") \
_(IP6_INPUT, "ip6-input") \
-_(ETHERNET_INPUT, "ethernet-input") \
-_(LISP_GPE_ENCAP, "lisp-gpe-encap")
+_(ETHERNET_INPUT, "ethernet-input")
typedef enum {
#define _(s,n) LISP_GPE_INPUT_NEXT_##s,
- foreach_lisp_gpe_input_next
+ foreach_lisp_gpe_ip_input_next
#undef _
LISP_GPE_INPUT_N_NEXT,
} lisp_gpe_input_next_t;
#include <vnet/lisp-gpe/lisp_gpe_error.def>
#undef lisp_gpe_error
LISP_GPE_N_ERROR,
-} lisp_gpe_input_error_t;
+} lisp_gpe_error_t;
+
+/* As a first step, reuse v4 fib. The goal of the typedef is to shield
+ * consumers from future updates that may result in the lisp ip4 fib diverging
+ * from ip4 fib */
+typedef ip4_fib_t ip4_src_fib_t;
+
+typedef struct ip6_src_fib
+{
+ BVT(clib_bihash) ip6_lookup_table;
+
+ /* bitmap/vector of mask widths to search */
+ uword * non_empty_dst_address_length_bitmap;
+ u8 * prefix_lengths_in_search_order;
+ ip6_address_t fib_masks[129];
+ i32 dst_address_length_refcounts[129];
+
+ /* ip6 lookup table config parameters */
+ u32 lookup_table_nbuckets;
+ uword lookup_table_size;
+} ip6_src_fib_t;
+
+typedef struct lisp_gpe_main
+{
+ /* Pool of src fibs that are paired with dst fibs */
+ ip4_src_fib_t * ip4_src_fibs;
+ ip6_src_fib_t * ip6_src_fibs;
-typedef struct {
/* vector of encap tunnel instances */
- lisp_gpe_tunnel_t *tunnels;
+ lisp_gpe_tunnel_t * tunnels;
/* lookup tunnel by key */
- uword * lisp_gpe_tunnel_by_key;
+ mhash_t lisp_gpe_tunnel_by_key;
+
+ /* lookup decap tunnel termination sw_if_index by vni and vice versa */
+ uword * tunnel_term_sw_if_index_by_vni;
+ uword * vni_by_tunnel_term_sw_if_index;
/* Free vlib hw_if_indices */
u32 * free_lisp_gpe_tunnel_hw_if_indices;
+ /* Lookup lisp-gpe interfaces by vrf */
+ uword * lisp_gpe_hw_if_index_by_table_id;
+
+ /* Lookup lgpe_ipX_lookup_next by vrf */
+ uword * lgpe_ip4_lookup_next_index_by_table_id;
+ uword * lgpe_ip6_lookup_next_index_by_table_id;
+
+ /* next node indexes that point ip4/6 lookup to lisp gpe ip lookup */
+ u32 ip4_lookup_next_lgpe_ip4_lookup;
+ u32 ip6_lookup_next_lgpe_ip6_lookup;
+
/* 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;
+ u8 is_en;
} lisp_gpe_main_t;
lisp_gpe_main_t lisp_gpe_main;
-vlib_node_registration_t lisp_gpe_input_node;
-vlib_node_registration_t lisp_gpe_encap_node;
+extern vlib_node_registration_t lgpe_ip4_lookup_node;
+extern vlib_node_registration_t lgpe_ip6_lookup_node;
+extern vlib_node_registration_t lisp_gpe_ip4_input_node;
+extern vlib_node_registration_t lisp_gpe_ip6_input_node;
-u8 * format_lisp_gpe_encap_trace (u8 * s, va_list * args);
-u8 * format_lisp_gpe_header_with_length (u8 * s, va_list * args);
+u8 *
+format_lisp_gpe_header_with_length (u8 * s, va_list * args);
-typedef struct {
+typedef struct
+{
u8 is_add;
ip4_address_t src, dst;
u32 encap_fib_index;
u8 ver_res;
u8 res;
u8 next_protocol;
- u32 iid; /* host byte order */
+ u32 vni; /* host byte order */
} vnet_lisp_gpe_add_del_tunnel_args_t;
-int vnet_lisp_gpe_add_del_tunnel
-(vnet_lisp_gpe_add_del_tunnel_args_t *a, u32 * sw_if_indexp);
+int
+vnet_lisp_gpe_add_del_tunnel (vnet_lisp_gpe_add_del_tunnel_args_t *a,
+ u32 * sw_if_indexp);
+
+typedef struct
+{
+ u8 is_add;
+ u32 table_id; /* vrf */
+ u32 vni; /* host byte order */
+} vnet_lisp_gpe_add_del_iface_args_t;
+
+u8
+vnet_lisp_gpe_enable_disable_status(void);
+void
+vnet_lisp_gpe_add_del_iface (vnet_lisp_gpe_add_del_iface_args_t *a,
+ u32 * hw_if_indexp);
-u8 * format_lisp_gpe_header_with_length (u8 * s, va_list * args);
+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;
+ u8 is_negative;
+ negative_fwd_actions_e action;
+ gid_address_t seid; /* TODO convert to ip4, ip6, mac ? */
+ gid_address_t deid;
+ ip_address_t slocator;
+ ip_address_t dlocator;
+ u32 encap_fib_index;
+ u32 decap_fib_index;
+ u32 decap_next_index; /* TODO is this really needed? */
+ u8 flags;
+ u8 ver_res;
+ u8 res;
+ u8 next_protocol;
+ u32 vni; /* host byte order */
+ u32 table_id;
+} vnet_lisp_gpe_add_del_fwd_entry_args_t;
+
+int
+vnet_lisp_gpe_add_del_fwd_entry (vnet_lisp_gpe_add_del_fwd_entry_args_t *a,
+ u32 * hw_if_indexp);
+
+int
+ip_sd_fib_add_del_route (lisp_gpe_main_t * lgm, ip_prefix_t * dst_prefix,
+ ip_prefix_t * src_prefix, u32 table_id,
+ ip_adjacency_t * add_adj, u8 is_add);
+u32
+ip_sd_fib_get_route (lisp_gpe_main_t * lgm, ip_prefix_t * dst_prefix,
+ ip_prefix_t * src_prefix, u32 table_id);
+
+#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;
#endif /* included_vnet_lisp_gpe_h */
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