busybox/networking/udhcp/dhcpc.h
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   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
   8PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
   9
  10struct 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
  35POP_SAVED_FUNCTION_VISIBILITY
  36
  37#endif
  38