201 lines
4.9 KiB
C
201 lines
4.9 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef __DHCPS_H__
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#define __DHCPS_H__
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#include "lwip/ip_addr.h"
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//#include "esp_common.h"
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#define USE_DNS
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typedef struct dhcps_state{
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s16_t state;
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} dhcps_state;
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typedef struct dhcps_msg {
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u8_t op, htype, hlen, hops;
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u8_t xid[4];
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u16_t secs, flags;
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u8_t ciaddr[4];
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u8_t yiaddr[4];
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u8_t siaddr[4];
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u8_t giaddr[4];
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u8_t chaddr[16];
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u8_t sname[64];
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u8_t file[128];
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u8_t options[312];
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}dhcps_msg;
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/** DHCP OPTIONS CODE **/
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typedef enum
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{
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/* RFC 1497 Vendor Extensions */
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PAD = 0,
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END = 255,
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SUBNET_MASK = 1,
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TIME_OFFSET = 2,
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ROUTER = 3,
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TIME_SERVER = 4,
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NAME_SERVER = 5,
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DOMAIN_NAME_SERVER = 6,
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LOG_SERVER = 7,
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COOKIE_SERVER = 8,
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LPR_SERVER = 9,
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IMPRESS_SERVER = 10,
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RESOURCE_LOCATION_SERVER = 11,
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HOST_NAME = 12,
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BOOT_FILE_SIZE = 13,
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MERIT_DUMP_FILE = 14,
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DOMAIN_NAME = 15,
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SWAP_SERVER = 16,
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ROOT_PATH = 17,
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EXTENSIONS_PATH = 18,
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/* IP Layer Parameters per Host */
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IP_FORWARDING = 19,
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NON_LOCAL_SOURCE_ROUTING = 20,
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POLICY_FILTER = 21,
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MAXIMUM_DATAGRAM_REASSEMBLY_SIZE = 22,
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DEFAULT_IP_TIME_TO_LIVE = 23,
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PATH_MTU_AGING_TIMEOUT = 24,
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PATH_MTU_PLATEAU_TABLE = 25,
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/* IP Layer Parameters per Interface */
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INTERFACE_MTU = 26,
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ALL_SUBNETS_ARE_LOCAL = 27,
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BROADCAST_ADDRESS = 28,
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PERFORM_MASK_DISCOVERY = 29,
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MASK_SUPPLIER = 30,
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PERFORM_ROUTER_DISCOVERY = 31,
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ROUTER_SOLICITATION_ADDRESS = 32,
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STATIC_ROUTE = 33,
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/* Link Layer Parameters per Interface */
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TRAILER_ENCAPSULATION = 34,
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ARP_CACHE_TIMEOUT = 35,
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ETHERNET_ENCAPSULATION = 36,
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/* TCP Parameters */
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TCP_DEFAULT_TTL = 37,
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TCP_KEEPALIVE_INTERVAL = 38,
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TCP_KEEPALIVE_GARBAGE = 39,
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/* Application and Service Parameters */
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NETWORK_INFORMATION_SERVICE_DOMAIN = 40,
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NETWORK_INFORMATION_SERVERS = 41,
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NETWORK_TIME_PROTOCOL_SERVERS = 42,
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VENDOR_SPECIFIC_INFORMATION = 43,
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NETBIOS_OVER_TCP_IP_NAME_SERVER = 44,
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NETBIOS_OVER_TCP_IP_DATAGRAM_DISTRIBUTION_SERVER = 45,
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NETBIOS_OVER_TCP_IP_NODE_TYPE = 46,
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NETBIOS_OVER_TCP_IP_SCOPE = 47,
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X_WINDOW_SYSTEM_FONT_SERVER = 48,
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X_WINDOW_SYSTEM_DISPLAY_MANAGER = 49,
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NETWORK_INFORMATION_SERVICE_PLUS_DOMAIN = 64,
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NETWORK_INFORMATION_SERVICE_PLUS_SERVERS = 65,
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MOBILE_IP_HOME_AGENT = 68,
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SMTP_SERVER = 69,
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POP3_SERVER = 70,
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NNTP_SERVER = 71,
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DEFAULT_WWW_SERVER = 72,
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DEFAULT_FINGER_SERVER = 73,
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DEFAULT_IRC_SERVER = 74,
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STREETTALK_SERVER = 75,
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STREETTALK_DIRECTORY_ASSISTANCE_SERVER = 76,
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/* DHCP Extensions */
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REQUESTED_IP_ADDRESS = 50,
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IP_ADDRESS_LEASE_TIME = 51,
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OPTION_OVERLOAD = 52,
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TFTP_SERVER_NAME = 66,
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BOOTFILE_NAME = 67,
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DHCP_MESSAGE_TYPE = 53,
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SERVER_IDENTIFIER = 54,
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PARAMETER_REQUEST_LIST = 55,
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MESSAGE = 56,
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MAXIMUM_DHCP_MESSAGE_SIZE = 57,
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RENEWAL_T1_TIME_VALUE = 58,
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REBINDING_T2_TIME_VALUE = 59,
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VENDOR_CLASS_IDENTIFIER = 60,
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CLIENT_IDENTIFIER = 61,
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USER_CLASS = 77,
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FQDN = 81,
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DHCP_AGENT_OPTIONS = 82,
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NDS_SERVERS = 85,
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NDS_TREE_NAME = 86,
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NDS_CONTEXT = 87,
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CLIENT_LAST_TRANSACTION_TIME = 91,
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ASSOCIATED_IP = 92,
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USER_AUTHENTICATION_PROTOCOL = 98,
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AUTO_CONFIGURE = 116,
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NAME_SERVICE_SEARCH = 117,
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SUBNET_SELECTION = 118,
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DOMAIN_SEARCH = 119,
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CLASSLESS_ROUTE = 121,
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} dhcp_msg_option;
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/* Defined in esp_misc.h */
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typedef struct {
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bool enable;
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ip4_addr_t start_ip;
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ip4_addr_t end_ip;
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} dhcps_lease_t;
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enum dhcps_offer_option{
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OFFER_START = 0x00,
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OFFER_ROUTER = 0x01,
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OFFER_END
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};
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#define DHCPS_MAX_LEASE 0x64
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#define DHCPS_LEASE_TIME_DEF (120)
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struct dhcps_pool{
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ip4_addr_t ip;
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u8_t mac[6];
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u32_t lease_timer;
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};
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typedef struct _list_node{
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void *pnode;
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struct _list_node *pnext;
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}list_node;
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typedef u32_t dhcps_time_t;
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typedef u8_t dhcps_offer_t;
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typedef struct {
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dhcps_offer_t dhcps_offer;
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dhcps_time_t dhcps_time;
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dhcps_lease_t dhcps_poll;
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} dhcps_options_t;
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#define dhcps_router_enabled(offer) ((offer & OFFER_ROUTER) != 0)
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void dhcps_start(struct netif *netif, ip4_addr_t ip);
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void dhcps_stop(struct netif *netif);
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void *dhcps_option_info(u8_t op_id, u32_t opt_len);
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bool dhcp_search_ip_on_mac(u8_t *mac, ip4_addr_t *ip);
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#endif
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