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/*
* proxy.h: dhcp proxy
*
* Copyright (c) 2013 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 included_dhcp_proxy_h
#define included_dhcp_proxy_h
#include <vnet/vnet.h>
#include <vnet/dhcp/packet.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ip/ip.h>
#include <vnet/ip/ip4.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/pg/pg.h>
#include <vnet/ip/format.h>
#include <vnet/ip/udp.h>
#include <vnet/dhcp/client.h>
typedef enum {
#define dhcp_proxy_error(n,s) DHCP_PROXY_ERROR_##n,
#include <vnet/dhcp/proxy_error.def>
#undef dhcp_proxy_error
DHCP_PROXY_N_ERROR,
} dhcp_proxy_error_t;
typedef struct {
u32 oui;
u32 fib_id;
} vss_id;
typedef union {
u8 as_u8[8];
vss_id vpn_id;
} vss_info;
typedef struct {
ip4_address_t dhcp_server;
ip4_address_t dhcp_src_address;
u32 insert_option_82;
u32 server_fib_index;
u32 valid;
} dhcp_server_t;
typedef struct {
/* Pool of DHCP servers */
dhcp_server_t * dhcp_servers;
/* Pool of selected DHCP server. Zero is the default server */
u32 * dhcp_server_index_by_rx_fib_index;
/* to drop pkts in server-to-client direction */
u32 error_drop_node_index;
vss_info *opt82vss;
/* hash lookup specific vrf_id -> option 82 vss suboption */
uword * opt82vss_index_by_vrf_id;
/* convenience */
dhcp_client_main_t * dhcp_client_main;
vlib_main_t * vlib_main;
vnet_main_t * vnet_main;
} dhcp_proxy_main_t;
dhcp_proxy_main_t dhcp_proxy_main;
int dhcp_proxy_set_server (ip4_address_t *addr, ip4_address_t *src_address,
u32 fib_id, int insert_option_82, int is_del);
int dhcp_proxy_set_server_2 (ip4_address_t *addr, ip4_address_t *src_address,
u32 rx_fib_id,
u32 server_fib_id,
int insert_option_82, int is_del);
int dhcp_proxy_set_option82_vss(u32 vrf_id,
u32 oui,
u32 fib_id,
int is_del);
#endif /* included_dhcp_proxy_h */
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