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diff --git a/hicn-plugin/src/punt.h b/hicn-plugin/src/punt.h
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-/*
- * Copyright (c) 2017-2019 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 __HICN_PUNT_H__
-#define __HICN_PUNT_H__
-
-#include <vppinfra/error.h>
-#include <vnet/fib/fib_types.h>
-#include "hicn.h"
-#include <vnet/classify/vnet_classify.h>
-
-#define HICN_CLASSIFY_TABLE_MEMORY_SIZE (2*1024*1024) // 2MB allocated for the classification table
-#define HICN_PUNTING_BUFFER_SIZE_32 (32)
-#define HICN_PUNTING_BUFFER_SIZE_48 (48)
-#define HICN_PUNTING_BUFFER_SIZE_64 (64)
-#define HICN_PUNTING_BUFFER_SIZE_80 (80)
-#define HICN_PUNTING_BUFFER_SIZE_128 (128)
-
-/* Limits */
-
-#define HICN_PUNT_IP4 0
-#define HICN_PUNT_IP6 1
-
-#define HICN_MAX_INTFC 256
-
-/* We also consider mask = 0 to match everything */
-#define HICN_PUNT_IP4_MASK 33
-#define HICN_PUNT_IP6_MASK 129
-
-#define HICN_PUNT_IP_TYPE 0
-#define HICN_PUNT_UDP4_TYPE 1
-#define HICN_PUNT_UDP6_TYPE 2
-
-#define HICN_PUNT_INVALID_PORT 0
-/*
- * u32 ip4_vnet_tbl_idx[HICN_MAX_INTFC][2][3][HICN_PUNT_IP4_MASK];
- * //[skip][src][mask],[skip][dst][mask] u32
- * ip6_vnet_tbl_idx[HICN_MAX_INTFC][2][3][HICN_PUNT_IP6_MASK];
- * //[skip][src][mask],[skip][dst][mask]
- */
-#define PUNT_MASK(ip) (ip->addr_len_bits + 1)
-#define TABLE_ELT_P(ip, i, j, k, l) (ip->tbl + (4 * 2 * PUNT_MASK(ip)) * i + (2 * PUNT_MASK(ip)) * j + k * PUNT_MASK(ip) + l)
-#define TABLE_ELT(ip, i, j, k, l) (*(TABLE_ELT_P(ip, i, j, k, l)))
-
-#define NO_L2 0
-#define ETH_L2 sizeof(ethernet_header_t)
-
-#define IPPROTO_MASK 0xFF
-
-/* Index to access vnet table index */
-#define HICN_PUNT_SRC 0
-#define HICN_PUNT_DST 1
-
-#define HICN_PUNT_OK 0
-#define HICN_PUNT_ERR 1
-
-#define HICNP_PUNY_INVALID_TBL ~0
-
-/* Number of bytes before the next header/protocol field in ip6/4 */
-#define BYTES_TO_PROTOCOL_IP4 9
-#define BYTES_TO_NEXT_HEADER_IP6 6
-
-#define PUNT_BUFFER_SIZE 100 /* B */
-#define CLASSIFIER_VECTOR_SIZE 16 /* B */
-
-#define OP_DEL 0
-#define OP_ADD 1
-#define OP_DISABLE 0
-#define OP_ENABLE 1
-
-/* vnet_classify_add_del_table */
-#define HICN_CLASSIFY_NO_NEXT_TABLE 0xFFFFFFFF
-#define HICN_CLASSIFY_MISS_NEXT_INDEX 16
-#define HICN_CLASSIFY_CURRENT_DATA_FLAG CLASSIFY_FLAG_USE_CURR_DATA
-#define HICN_CLASSIFY_NO_CURRENT_DATA_FLAG 0
-#define HICN_CLASSIFY_CURRENT_DATA_OFFSET 0
-#define HICN_CLASSIFY_DON_T_DEL_CHAIN 0
-
-/* vnet_classify_add_del_session */
-#define HICN_CLASSIFY_OPAQUE_INDEX 0xFFFFFFFF
-#define HICN_CLASSIFY_ADVANCE 0
-#define HICN_CLASSIFY_ACTION 0
-#define HICN_CLASSIFY_METADATA 0
-
-/* This should be equal to the number of rules we expect in each table */
-#define HICN_CLASSIFY_NBUCKETS 3
-
-
-/* HICN punt node index */
-typedef struct _hicn_node_info_s
-{
- u32 hicn_face_ip4_input_index;
- u32 hicn_face_ip6_input_index;
- u32 hicn_iface_ip4_input_index;
- u32 hicn_iface_ip6_input_index;
- u32 hicn_face_ip4_output_index;
- u32 hicn_face_ip6_output_index;
- u32 hicn_iface_ip4_output_index;
- u32 hicn_iface_ip6_output_index;
- u32 hicn_face_udp4_input_index;
- u32 hicn_face_udp6_input_index;
- u32 hicn_iface_udp4_input_index;
- u32 hicn_iface_udp6_input_index;
- u32 hicn_face_udp4_output_index;
- u32 hicn_face_udp6_output_index;
- u32 hicn_iface_udp4_output_index;
- u32 hicn_iface_udp6_output_index;
- u32 ip4_inacl_node_index;
- u32 ip6_inacl_node_index;
- u32 ip4_lookup_node_index;
- u32 ip6_lookup_node_index;
-} hicn_node_info_t;
-
-/*
- * HICN global PUNT info
- */
-typedef struct _hicn_punt_glb_s
-{
- hicn_node_info_t hicn_node_info;
-
- /*
- * The following nodes are used to create the vlib node graph, and
- * point classified packets to the right node.
- */
- u32 next_hit_interest_ipv4;
- //node - graph index to forward packets to our hicn nodes
- u32 next_hit_data_ipv4;
- u32 next_hit_interest_ipv6;
- //node - graph index to forward packets to our hicn nodes
- u32 next_hit_data_ipv6;
- u32 next_hit_interest_udp4;
- //node - graph index to forward packets to our hicn nodes
- u32 next_hit_data_udp4;
- u32 next_hit_interest_udp6;
- //node - graph index to forward packets to our hicn nodes
- u32 next_hit_data_udp6;
-
- /*
- * One table is created : - per interface : so that we can have
- * different punted prefixes per interface, and thus decrease the
- * amount of matched rules per packet. An interface will be
- * consistently receiving packets with or without the ethernet
- * header, and thus the offsets should always be correct. - per skip
- * (assuming it is for the base offset (ethernet or not), in which
- * case the interface should be sufficient. - per prefix length to
- * allow for sorting later. - per src / dst (?)
- *
- * Note that there is no test on the packet type (v4 or v6), as they
- * follow distinct paths in the vpp graph and will thus be dispatched
- * to distinct classifiers. This is also why we duplicate the state
- * for both IPv4 and IPv6 in this implementation.
- *
- * Tables are chained per interface in the order they are added. Each
- * table consists in a set of rules (named sessions).
- *
- * / interface --> table i [.next_table_index=j] --> table j [.nti=~0]
- * -- drop \ | | +-- on match,
- * send to node m +-- [...] to node n
- *
- * For debugging purposes, you can use the following commands:
- *
- * vppctl show inacl type ip4 vppctl show inacl type ip6
- *
- * vppctl show classify tables [verbose]
- *
- * TODO: - allow tables to be removed - sort tables with decreasing
- * prefix length to allow for LPM. - directly access the linked list
- * through vpp APIs and remove global variables. They are not
- * sufficient anyways for removal.
- */
-
- /**
- * Given the current implementation, the following multidimensional array
- * stores the table indexes uniquerly identified by the 4-tuple (interface,
- * skip, src/dst, mask).
- *
- * For flexibility, some macros and functions will be defined in the .c to
- * manipulate this array.
- */
- u32 ip4_vnet_tbl_idx[HICN_MAX_INTFC][4][2][HICN_PUNT_IP4_MASK];
- //[skip][src][mask],[skip][dst][mask]
- u32 ip6_vnet_tbl_idx[HICN_MAX_INTFC][4][2][HICN_PUNT_IP6_MASK];
- //[skip][src][mask],[skip][dst][mask]
- u32 udp44_vnet_tbl_idx[HICN_MAX_INTFC][4][2][HICN_PUNT_IP4_MASK];
- //[skip][src][mask],[skip][dst][mask]
- u32 udp46_vnet_tbl_idx[HICN_MAX_INTFC][4][2][HICN_PUNT_IP6_MASK];
- //[skip][src][mask],[skip][dst][mask]
- u32 udp64_vnet_tbl_idx[HICN_MAX_INTFC][4][2][HICN_PUNT_IP4_MASK];
- //[skip][src][mask],[skip][dst][mask]
- u32 udp66_vnet_tbl_idx[HICN_MAX_INTFC][4][2][HICN_PUNT_IP6_MASK];
- //[skip][src][mask],[skip][dst][mask]
-
- /*
- * The first and last tables associated to each interface (both for
- * v4 and v6) are stored. They are respectively used to : - start
- * classification on the correct table depending on the input
- * interface: the assumption is that different interfaces with punt
- * different prefixes, which should decreate the number of potential
- * rules to match for each incoming packet. see.
- * vnet_set_input_acl_intfc() - maintain the chaining between tables
- * so that upon addition, the newly created table can be chained to
- * the previous last one.
- */
- u32 head_ip4[HICN_MAX_INTFC];
- u32 tail_ip4[HICN_MAX_INTFC];
- u32 head_ip6[HICN_MAX_INTFC];
- u32 tail_ip6[HICN_MAX_INTFC];
-
-} hicn_punt_glb_t;
-
-extern hicn_punt_glb_t hicn_punt_glb;
-
-
-
-/* XXX The two following structs might be opaque */
-
-#define NA 0
-
-typedef struct
-{
- u32 offset;
- u32 len; /* bytes */
- u32 punt_id; /* see explanation in hicn_punt.c */
-} field_t;
-
-/* Format: _(name, base, layer, field, punt_id) */
-#define foreach_field \
- _(ipv6_src, 0, _ipv6_header_t, saddr, HICN_PUNT_SRC) \
- _(ipv6_dst, 0, _ipv6_header_t, daddr, HICN_PUNT_DST) \
- _(ipv6_protocol, 0, _ipv6_header_t, nxt, NA) \
- _(ipv4_src, 0, _ipv4_header_t, saddr, HICN_PUNT_SRC) \
- _(ipv4_dst, 0, _ipv4_header_t, daddr, HICN_PUNT_DST) \
- _(ipv4_protocol, 0, _ipv4_header_t, protocol, NA) \
- \
- _(ipv4_version, 0, _ipv4_header_t, version_ihl, NA) \
- _(ipv6_version, 0, _ipv6_header_t, vfc, NA) \
- _(udp4_sport, IPV4_HDRLEN, _udp_header_t, src_port, NA) \
- _(udp4_dport, IPV4_HDRLEN, _udp_header_t, dst_port, NA) \
- _(udp6_sport, IPV6_HDRLEN, _udp_header_t, src_port, NA) \
- _(udp6_dport, IPV6_HDRLEN, _udp_header_t, dst_port, NA) \
- _(udp6_protocol, 0, _ipv6_header_t, nxt, NA) \
- _(udp4_protocol, 0, _ipv4_header_t, protocol, NA) \
- _(udp46_src, IPV4_HDRLEN + UDP_HDRLEN, _ipv6_header_t, saddr, HICN_PUNT_SRC) \
- _(udp46_dst, IPV4_HDRLEN + UDP_HDRLEN, _ipv6_header_t, daddr, HICN_PUNT_DST) \
- _(udp44_src, IPV4_HDRLEN + UDP_HDRLEN, _ipv4_header_t, saddr, HICN_PUNT_SRC) \
- _(udp44_dst, IPV4_HDRLEN + UDP_HDRLEN, _ipv4_header_t, daddr, HICN_PUNT_DST) \
- _(udp66_src, IPV6_HDRLEN + UDP_HDRLEN, _ipv6_header_t, saddr, HICN_PUNT_SRC) \
- _(udp66_dst, IPV6_HDRLEN + UDP_HDRLEN, _ipv6_header_t, daddr, HICN_PUNT_DST) \
- _(udp64_src, IPV6_HDRLEN + UDP_HDRLEN, _ipv6_header_t, saddr, HICN_PUNT_SRC) \
- _(udp64_dst, IPV6_HDRLEN + UDP_HDRLEN, _ipv6_header_t, daddr, HICN_PUNT_DST) \
-
-
-#define _(NAME, BASE, LAYER, FIELD, PUNT_ID) \
- extern field_t NAME;
-foreach_field
-#undef _
- typedef struct
-{
- u32 *tbl;
- u8 addr_len_bits;
- field_t *protocol_field;
- field_t *version_field;
- field_t *udp_sport;
- field_t *udp_dport;
- u8 ip_version;
-} ip_version_t;
-
-extern ip_version_t ipv4;
-extern ip_version_t ipv6;
-
-
-/* ------------------------- */
-
-/**
- * @brief Punt table APIs
- *
- * Those APIs are called when the first punting table is created for a given
- * interface, so as to point to the start of the chain.
- */
-void
-hicn_punt_enable_disable_vnet_ip4_table_on_intf (vlib_main_t * vm,
- u32 sw_if_index,
- int is_enable);
-void
-hicn_punt_enable_disable_vnet_ip6_table_on_intf (vlib_main_t * vm,
- u32 sw_if_index,
- int is_enable);
-u32 hicn_punt_interest_data_for_udp (vlib_main_t * vm,
- fib_prefix_t * prefix,
- u32 swif, u8 punt_type, u16 sport,
- u16 dport, u8 with_l2);
-u32 hicn_punt_interest_data_for_ip (vlib_main_t * vm,
- fib_prefix_t * prefix,
- u32 swif, u8 type, u8 with_l2);
-int hicn_punt_remove_ip6_address (vlib_main_t * vm, fib_prefix_t * prefix,
- int skip, u32 swif, int is_enable,
- u8 with_l2);
-int hicn_punt_remove_ip4_address (vlib_main_t * vm, fib_prefix_t * prefix,
- int skip, u32 swif, int is_enable,
- u8 with_l2);
-void hicn_punt_init (vlib_main_t * vm);
-
-int
-hicn_punt_add_del_vnettbl (ip_version_t * ip, field_t * field, u8 mask, u32
- next_tbl_index, u32 intfc, u8 base_offset,
- u8 use_current_data, int is_add);
-
-#define hicn_punt_add_vnettbl(ip, field, mask, next_tbl_index, intfc, base_offset, use_current_data) \
- (hicn_punt_add_del_vnettbl(ip, field, mask, next_tbl_index, intfc, base_offset, use_current_data, OP_ADD))
-
-#define hicn_punt_del_vnettbl(ip, field, mask, next_tbl_index, intfc, base_offset) \
- (hicn_punt_add_del_vnettbl(ip, field, mask, next_tbl_index, intfc, base_offset, HICN_CLASSIFY_NO_CURRENT_DATA_FLAG, OP_DEL))
-
-int
-hicn_punt_add_del_vnetssn (ip_version_t * ip, field_t * field,
- fib_prefix_t * prefix,
- u32 next_hit_index, u32 intfc, u8 base_offset,
- int is_add);
-
-#define hicn_punt_add_vnetssn(ip, field, addr, index, intfc, offset) \
- (hicn_punt_add_del_vnetssn(ip, field, addr, index, intfc, offset, OP_ADD))
-
-#define hicn_punt_del_vnetssn(ip, field, addr, index, intfc, offset) \
- (hicn_punt_add_del_vnetssn(ip, field, addr, index, intfc, offset, OP_DEL))
-
-#endif /* // __HICN_PUNT_H__ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables: eval: (c-set-style "gnu") End:
- */