networking/udhcp/dhcpc.h

   1 /* vi: set sw=4 ts=4: */
   2 /* dhcpc.h */
   3 #ifndef UDHCP_DHCPC_H
   4 #define UDHCP_DHCPC_H 1
   5
   6 PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
   7
   8 struct client_config_t {
   9         uint8_t client_mac[6];          /* Our mac address */
  10         char no_default_options;        /* Do not include default options in request */
  11         IF_FEATURE_UDHCP_PORT(uint16_t port;)
  12         int ifindex;                    /* Index number of the interface to use */
  13         int verbose;
  14         uint8_t opt_mask[256 / 8];      /* Bitmask of options to send (-O option) */
  15         const char *interface;          /* The name of the interface to use */
  16         char *pidfile;                  /* Optionally store the process ID */
  17         const char *script;             /* User script to run at dhcp events */
  18         uint8_t *clientid;              /* Optional client id to use */
  19         uint8_t *vendorclass;           /* Optional vendor class-id to use */
  20         uint8_t *hostname;              /* Optional hostname to use */
  21         uint8_t *fqdn;                  /* Optional fully qualified domain name to use */
  22 } FIX_ALIASING;
  23
  24 /* server_config sits in 1st half of bb_common_bufsiz1 */
  25 #define client_config (*(struct client_config_t*)(&bb_common_bufsiz1[COMMON_BUFSIZE / 2]))
  26
  27 #if ENABLE_FEATURE_UDHCP_PORT
  28 #define CLIENT_PORT (client_config.port)
  29 #else
  30 #define CLIENT_PORT 68
  31 #endif
  32
  33
  34 /*** clientpacket.h ***/
  35
  36 uint32_t random_xid(void) FAST_FUNC;
  37 int send_discover(uint32_t xid, uint32_t requested) FAST_FUNC;
  38 int send_select(uint32_t xid, uint32_t server, uint32_t requested) FAST_FUNC;
  39 #if ENABLE_FEATURE_UDHCPC_ARPING
  40 int send_decline(uint32_t xid, uint32_t server, uint32_t requested) FAST_FUNC;
  41 #endif
  42 int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr) FAST_FUNC;
  43 int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr) FAST_FUNC;
  44 int send_release(uint32_t server, uint32_t ciaddr) FAST_FUNC;
  45
  46 int udhcp_recv_raw_packet(struct dhcp_packet *dhcp_pkt, int fd) FAST_FUNC;
  47
  48 POP_SAVED_FUNCTION_VISIBILITY
  49
  50 #endif