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TW6738: fix DHCP -L issue
recompile DHCP server function, only support start, stop and option interface.
This commit is contained in:
liuhan
Wu Jian Gang
@@ -47,221 +47,6 @@ typedef struct dhcps_msg {
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u8_t options[312];
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}dhcps_msg;
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struct dhcps_lease {
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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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};
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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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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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extern u32_t dhcps_lease_time;
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#define DHCPS_LEASE_TIMER dhcps_lease_time //0x05A0
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#define dhcps_router_enabled(offer) ((offer & OFFER_ROUTER) != 0)
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void dhcps_start(struct netif *netif);
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void dhcps_stop(struct netif *netif);
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bool dhcp_search_ip_on_mac(u8_t *mac, ip4_addr_t *ip);
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#else
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#include "lwip/opt.h"
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#include "lwip/netif.h"
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#include "lwip/udp.h"
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/** DHCP DEBUG INFO **/
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#define DHCPS_DEBUG 1
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#if DHCPS_DEBUG
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#define log_info(message, ...) do { \
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printf((message), ##__VA_ARGS__); \
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printf("\n"); \
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} while(0);
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#else
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#define log_info(message, ...)
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#endif
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#if (!defined(unlikely))
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#define unlikely(Expression) !!(Expression)
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#endif
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#define REQUIRE_ASSERT(Expression) do{if (!(Expression)) log_info("%d\n", __LINE__);}while(0)
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#define REQUIRE_ACTION(Expression,Label,Action) \
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do{\
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if (unlikely(!(Expression))) \
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{\
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log_info("%d\n", __LINE__);\
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{Action;}\
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goto Label;\
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}\
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}while(0)
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#define REQUIRE_NOERROR(Expression,Label) \
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do{\
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int LocalError;\
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LocalError = (int)Expression;\
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if (unlikely(LocalError != 0)) \
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{\
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log_info("%d 0x%x\n", __LINE__, LocalError);\
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goto Label;\
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}\
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}while(0)
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#define REQUIRE_NOERROR_ACTION(Expression,Label,Action) \
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do{\
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int LocalError;\
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LocalError = (int)Expression;\
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if (unlikely(LocalError != 0)) \
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{\
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log_info("%d\n", __LINE__);\
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{Action;}\
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goto Label;\
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}\
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}while(0)
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#define DHCP_OK 0
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#define DHCP_FAIL -1
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#define DHCP_SERVER_OPENDNS 0xd043dede /* OpenDNS DNS server 208.67.222.222 */
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/* DHCP message */
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/*
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* Code ID of DHCP and BOOTP options
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* as defined in RFC 2132
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*/
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typedef enum
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{
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DHCP_NONE = 0,
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DHCPS_DISCOVER = 1,
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DHCPS_OFFER = 2,
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DHCPS_REQUEST = 3,
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DHCPS_DECLINE = 4,
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DHCPS_ACK = 5,
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DHCPS_NAK = 6,
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DHCPS_RELEASE = 7,
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DHCPS_INFORM = 8,
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DHCP_FORCE_RENEW = 9,
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DHCP_LEASE_QUERY = 10,
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DHCP_LEASE_UNASSIGNED = 11,
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DHCP_LEASE_UNKNOWN = 12,
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DHCP_LEASE_ACTIVE = 13,
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} dhcp_msg_type;
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typedef enum
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{
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BOOTPS = 67,
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BOOTPC = 68
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} ports;
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typedef enum
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{
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BOOTREQUEST = 1,
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BOOTREPLY = 2,
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} op_types;
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typedef enum
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{
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ETHERNET = 0x01,
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ETHERNET_LAN = 0x06,
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ETHEFDDI = 0x08,
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ETHEIEEE1394 = 0x18
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} hardware_types;
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typedef enum
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{
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DHCPS_CHADDR_LEN = 16U,
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DHCPS_SNAME_LEN = 64U,
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DHCPS_FILE_LEN = 128U,
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DHCP_HEADER_SIZE = 236U // without size of options
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} head_size;
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typedef struct dhcps
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{
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/** transaction identifier of last sent request */
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u32_t xid;
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/** incoming msg */
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struct dhcps_msg *msg_in;
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/** track PCB allocation state */
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u8_t pcb_allocated;
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/** current DHCP state machine state */
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u8_t state;
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/** retries of current request */
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u8_t tries;
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#if LWIP_DHCP_AUTOIP_COOP
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u8_t autoip_coop_state;
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#endif
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u8_t subnet_mask_given;
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struct pbuf *p_out; /* pbuf of outcoming msg */
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struct dhcp_msg *msg_out; /* outgoing msg */
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u16_t options_out_len; /* outgoing msg options length */
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u16_t request_timeout; /* #ticks with period DHCP_FINE_TIMER_SECS for request timeout */
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u16_t t1_timeout; /* #ticks with period DHCP_COARSE_TIMER_SECS for renewal time */
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u16_t t2_timeout; /* #ticks with period DHCP_COARSE_TIMER_SECS for rebind time */
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u16_t t1_renew_time; /* #ticks with period DHCP_COARSE_TIMER_SECS until next renew try */
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u16_t t2_rebind_time; /* #ticks with period DHCP_COARSE_TIMER_SECS until next rebind try */
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u16_t lease_used; /* #ticks with period DHCP_COARSE_TIMER_SECS since last received DHCP ack */
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u16_t t0_timeout; /* #ticks with period DHCP_COARSE_TIMER_SECS for lease time */
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ip_addr_t server_ip_addr; /* dhcp server address that offered this lease (ip_addr_t because passed to UDP) */
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ip4_addr_t offered_ip_addr;
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ip4_addr_t offered_sn_mask;
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ip4_addr_t offered_gw_addr;
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u32_t offered_t0_lease; /* lease period (in seconds) */
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u32_t offered_t1_renew; /* recommended renew time (usually 50% of lease period) */
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u32_t offered_t2_rebind; /* recommended rebind time (usually 87.5 of lease period) */
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#if LWIP_DHCP_BOOTP_FILE
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ip_addr_t offered_si_addr;
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char boot_file_name[DHCP_FILE_LEN];
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#endif /* LWIP_DHCP_BOOTPFILE */
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} dhcps;
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typedef struct dhcp_message
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{
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PACK_STRUCT_FLD_8(u8_t op);
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PACK_STRUCT_FLD_8(u8_t htype);
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PACK_STRUCT_FLD_8(u8_t hlen);
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PACK_STRUCT_FLD_8(u8_t hops);
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PACK_STRUCT_FIELD(u32_t xid);
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PACK_STRUCT_FIELD(u16_t secs);
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PACK_STRUCT_FIELD(u16_t flags);
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PACK_STRUCT_FLD_S(ip4_addr_p_t ciaddr);
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PACK_STRUCT_FLD_S(ip4_addr_p_t yiaddr);
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PACK_STRUCT_FLD_S(ip4_addr_p_t siaddr);
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PACK_STRUCT_FLD_S(ip4_addr_p_t giaddr);
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PACK_STRUCT_FLD_8(u8_t chaddr[DHCPS_CHADDR_LEN]);
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PACK_STRUCT_FLD_8(u8_t sname[DHCPS_SNAME_LEN]);
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PACK_STRUCT_FLD_8(u8_t file[DHCPS_FILE_LEN]);
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// PACK_STRUCT_FIELD(u32_t cookie);
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#define DHCPS_MIN_OPTIONS_LEN 312U
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/** make sure user does not configure this too small */
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#if ((defined(DHCPS_OPTIONS_LEN)) && (DHCPS_OPTIONS_LEN < DHCPS_MIN_OPTIONS_LEN))
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#undef DHCPS_OPTIONS_LEN
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#endif
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/** allow this to be configured in lwipopts.h, but not too small */
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#if (!defined(DHCPS_OPTIONS_LEN))
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/** set this to be sufficient for your options in outgoing DHCP msgs */
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#define DHCPS_OPTIONS_LEN DHCPS_MIN_OPTIONS_LEN
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#endif
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PACK_STRUCT_FLD_8(u8_t options[DHCPS_OPTIONS_LEN]);
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} dhcp_message;
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/** DHCP OPTIONS CODE **/
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typedef enum
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{
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@@ -379,117 +164,51 @@ typedef enum
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CLASSLESS_ROUTE = 121,
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} dhcp_msg_option;
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typedef struct dhcp_option
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{
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uint8_t id; // option id
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uint8_t len; // option length
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uint8_t data[256]; // option data
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STAILQ_ENTRY(dhcp_option) pointers; // pointers, see queue(3)
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} dhcp_option;
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/* Defined in esp_misc.h */
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//struct dhcps_lease {
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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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//};
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typedef STAILQ_HEAD(dhcp_option_list_, dhcp_option) DHCP_OPTION_LIST;
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typedef struct dhcp_option_list_ dhcp_option_list;
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/*
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* Header to manage the database of address bindings.
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*/
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// static association or dynamic
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enum
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{
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DYNAMIC = 0,
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STATIC = 1,
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STATIC_OR_DYNAMIC = 2
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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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// binding status
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enum
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{
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EMPTY = 0,
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ASSOCIATED,
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PENDINGD,
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EXPIRED,
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RELEASED
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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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/*
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* IP address used to delimitate an address pool.
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*/
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typedef struct pool_indexes
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{
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uint32_t first; // first address of the pool
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uint32_t last; // last address of the pool
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uint32_t current; // current available address
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}pool_indexes;
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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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/*
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* The bindings are organized as a double linked list
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* using the standard queue(3) library
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*/
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typedef struct address_binding
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{
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uint32_t address; // address
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uint8_t cident_len; // client identifier len
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uint8_t cident[256]; // client identifier
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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 dhcps_lease dhcps_lease_t;
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time_t binding_time; // time of binding
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time_t lease_time; // duration of lease
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typedef struct _dhcps_options{
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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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int status; // binding status
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int is_static; // check if it is a static binding
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STAILQ_ENTRY(address_binding) pointers; // list pointers, see queue(3)
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}address_binding;
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typedef STAILQ_HEAD(binding_list_, address_binding) BINDING_LIST_HEAD;
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typedef struct binding_list_ binding_list;
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/*
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* Global association pool.
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*
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* The (static or dynamic) associations tables of the DHCP server,
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* are maintained in this global structure.
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*
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* Note: all the IP addresses are in host order,
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* to allow an easy manipulation.
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*/
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typedef struct address_pool
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{
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uint32_t server_id; // this server id (IP address)
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uint32_t netmask; // network mask
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uint32_t gateway; // network gateway
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char device[16]; // network device to use
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pool_indexes indexes; // used to delimitate a pool of available addresses
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time_t lease_time; // default lease time
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time_t pending_time; // duration of a binding in the pending state
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struct udp_pcb *socket; //
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bool flags;
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dhcp_option_list options; // options for this pool, see queue
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binding_list bindings; // associated addresses, see queue(3)
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}address_pool;
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/*
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* Internal representation of a DHCP message,
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* with options parsed into a list...
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*/
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typedef struct dhcps_msg
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{
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dhcp_message hdr;
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dhcp_option_list opts;
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} dhcps_msg;
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bool dhcps_option_set(u8_t opt_id, void* optarg);
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void dhcps_start(struct netif *netif, struct dhcps_lease *lease_pool);
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#define dhcps_router_enabled(offer) ((offer & OFFER_ROUTER) != 0)
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void dhcps_start(struct netif *netif, struct ip_info *info);
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void dhcps_stop(struct netif *netif);
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bool dhcps_lease_set(struct dhcps_lease *please);
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bool dhcps_lease_get(struct dhcps_lease *please);
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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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#endif
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