networking/udhcp/dhcpc.h

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * Licensed under GPLv2, see file LICENSE in this source tree.
   4  */
   5 #ifndef UDHCP_DHCPC_H
   6 #define UDHCP_DHCPC_H 1
   7
   8 PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
   9
  10 struct client_config_t {
  11         uint8_t client_mac[6];          /* Our mac address */
  12         char no_default_options;        /* Do not include default options in request */
  13         IF_FEATURE_UDHCP_PORT(uint16_t port;)
  14         int ifindex;                    /* Index number of the interface to use */
  15         uint8_t opt_mask[256 / 8];      /* Bitmask of options to send (-O option) */
  16         const char *interface;          /* The name of the interface to use */
  17         char *pidfile;                  /* Optionally store the process ID */
  18         const char *script;             /* User script to run at dhcp events */
  19         struct option_set *options;     /* list of DHCP options to send to server */
  20         uint8_t *clientid;              /* Optional client id to use */
  21         uint8_t *vendorclass;           /* Optional vendor class-id to use */
  22         uint8_t *hostname;              /* Optional hostname to use */
  23         uint8_t *fqdn;                  /* Optional fully qualified domain name to use */
  24 } FIX_ALIASING;
  25
  26 /* server_config sits in 1st half of bb_common_bufsiz1 */
  27 #define client_config (*(struct client_config_t*)(&bb_common_bufsiz1[COMMON_BUFSIZE / 2]))
  28
  29 #if ENABLE_FEATURE_UDHCP_PORT
  30 #define CLIENT_PORT (client_config.port)
  31 #else
  32 #define CLIENT_PORT 68
  33 #endif
  34
  35 POP_SAVED_FUNCTION_VISIBILITY
  36
  37 #endif