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esp8266/tools/sdk/lwip2/include/dhcpserver.h
david gauchard ffe5476fc4 time: import IANA timezone definitions, expose SNTP API (#6373)
* time: import IANA timezone definitions
- `configTime("timezone", "ntp servers...")` added
- timezone definitions by country/cities (TZ.h)
- script to update timezone definitions
- updated example

* fix former configTime non-matching signature

* +include

* example: add scheduled function in callback

* crlf fix

* +missing license for napt

* SNTP: expose configuration helpers

* update submodule

* update precompiled libraries

* optional: change SNTP startup delay

* makes SNTP_UPDATE_DELAY a weak function
update example
fix for lwip1.4

* on the proper use of polledTimeout api... thanks @mcspr :]

* improve update script (per review)

* update lwIP submodule

* update submodule

* hide harmless shell message

* update the release process by asking first to update TZ.h
[ci skip]

* minor update in release documentation

* update in release documentation

* update in release documentation

* clarify release documentation

* fix release documentation - sorry for the noise :(

* fixes per review

* example style

* useless variable in example

* update lwip2 submodule reference, to include espressif missing declaration fixes
2019-09-29 00:25:01 -03:00

131 lines
2.7 KiB
C

// adapted from dhcpserver.c distributed in esp8266 sdk 2.0.0
// same license may apply
#ifndef __DHCPS_H__
#define __DHCPS_H__
#include "glue.h" // for UDEBUG
#define USE_DNS
typedef struct dhcps_state{
sint16_t state;
} dhcps_state;
typedef struct dhcps_msg {
uint8_t op, htype, hlen, hops;
uint8_t xid[4];
uint16_t secs, flags;
uint8_t ciaddr[4];
uint8_t yiaddr[4];
uint8_t siaddr[4];
uint8_t giaddr[4];
uint8_t chaddr[16];
uint8_t sname[64];
uint8_t file[128];
uint8_t options[312];
}dhcps_msg;
#ifndef LWIP_OPEN_SRC
struct dhcps_lease {
bool enable;
struct ipv4_addr start_ip;
struct ipv4_addr end_ip;
};
enum dhcps_offer_option{
OFFER_START = 0x00,
OFFER_ROUTER = 0x01,
OFFER_END
};
#endif
typedef enum {
DHCPS_TYPE_DYNAMIC,
DHCPS_TYPE_STATIC
} dhcps_type_t;
typedef enum {
DHCPS_STATE_ONLINE,
DHCPS_STATE_OFFLINE
} dhcps_state_t;
struct dhcps_pool{
struct ipv4_addr ip;
uint8 mac[6];
uint32 lease_timer;
dhcps_type_t type;
dhcps_state_t state;
};
typedef struct _list_node{
void *pnode;
struct _list_node *pnext;
}list_node;
extern uint32 dhcps_lease_time;
#define DHCPS_LEASE_TIMER dhcps_lease_time //0x05A0
#define DHCPS_MAX_LEASE 0x64
#define BOOTP_BROADCAST 0x8000
#define DHCP_REQUEST 1
#define DHCP_REPLY 2
#define DHCP_HTYPE_ETHERNET 1
#define DHCP_HLEN_ETHERNET 6
#define DHCP_MSG_LEN 236
#define DHCPS_SERVER_PORT 67
#define DHCPS_CLIENT_PORT 68
#define DHCPDISCOVER 1
#define DHCPOFFER 2
#define DHCPREQUEST 3
#define DHCPDECLINE 4
#define DHCPACK 5
#define DHCPNAK 6
#define DHCPRELEASE 7
#define DHCP_OPTION_SUBNET_MASK 1
#define DHCP_OPTION_ROUTER 3
#define DHCP_OPTION_DNS_SERVER 6
#define DHCP_OPTION_REQ_IPADDR 50
#define DHCP_OPTION_LEASE_TIME 51
#define DHCP_OPTION_MSG_TYPE 53
#define DHCP_OPTION_SERVER_ID 54
#define DHCP_OPTION_INTERFACE_MTU 26
#define DHCP_OPTION_PERFORM_ROUTER_DISCOVERY 31
#define DHCP_OPTION_BROADCAST_ADDRESS 28
#define DHCP_OPTION_REQ_LIST 55
#define DHCP_OPTION_END 255
//#define USE_CLASS_B_NET 1
#define DHCPS_DEBUG UDEBUG
#define MAX_STATION_NUM 8
#define DHCPS_STATE_OFFER 1
#define DHCPS_STATE_DECLINE 2
#define DHCPS_STATE_ACK 3
#define DHCPS_STATE_NAK 4
#define DHCPS_STATE_IDLE 5
#define DHCPS_STATE_RELEASE 6
#define dhcps_router_enabled(offer) ((offer & OFFER_ROUTER) != 0)
#ifdef __cplusplus
extern "C"
{
#endif
void dhcps_set_dns (int num, const ipv4_addr_t* dns);
void dhcps_start(struct ip_info *info);
void dhcps_stop(void);
#ifdef __cplusplus
}
#endif
#endif