busybox/networking/udhcp/dhcpc.h
Denis Vlasenko 42b3dea9bf udhcp: many small fixes:
* arpping(): smaller and even probably fixed
* lots of variables/params converted: ulong -> uint32_t
* uptime() nuked in favor of monotonic_sec()
* udhcp_get_packet(): only one "bad vendor", simplify

function                                             old     new   delta
reservedIp                                            36      35      -1
udhcpc_main                                         2462    2460      -2
addStaticLease                                        64      62      -2
static.broken_vendors                                 16       -     -16
uptime                                                19       -     -19
udhcpd_main                                         1273    1238     -35
udhcp_get_packet                                     223     184     -39
.rodata                                           144162  144106     -56
arpping                                              690     609     -81
------------------------------------------------------------------------------
(add/remove: 0/2 grow/shrink: 0/7 up/down: 0/-251)           Total: -251 bytes
   text    data     bss     dec     hex filename
 734241    3028   14400  751669   b7835 busybox_old
 734005    3028   14400  751433   b7749 busybox_unstripped
2007-07-03 15:47:50 +00:00

51 lines
1.9 KiB
C

/* vi: set sw=4 ts=4: */
/* dhcpc.h */
#ifndef _DHCPC_H
#define _DHCPC_H
#define INIT_SELECTING 0
#define REQUESTING 1
#define BOUND 2
#define RENEWING 3
#define REBINDING 4
#define INIT_REBOOT 5
#define RENEW_REQUESTED 6
#define RELEASED 7
struct client_config_t {
/* TODO: combine flag fields into single "unsigned opt" */
/* (can be set directly to the result of getopt32) */
char foreground; /* Do not fork */
char quit_after_lease; /* Quit after obtaining lease */
char release_on_quit; /* Perform release on quit */
char abort_if_no_lease; /* Abort if no lease */
char background_if_no_lease; /* Fork to background if no lease */
const char *interface; /* The name of the interface to use */
char *pidfile; /* Optionally store the process ID */
const char *script; /* User script to run at dhcp events */
uint8_t *clientid; /* Optional client id to use */
uint8_t *vendorclass; /* Optional vendor class-id to use */
uint8_t *hostname; /* Optional hostname to use */
uint8_t *fqdn; /* Optional fully qualified domain name to use */
int ifindex; /* Index number of the interface to use */
int retries; /* Max number of request packets */
int timeout; /* Number of seconds to try to get a lease */
uint8_t arp[6]; /* Our arp address */
};
extern struct client_config_t client_config;
/*** clientpacket.h ***/
uint32_t random_xid(void);
int send_discover(uint32_t xid, uint32_t requested);
int send_selecting(uint32_t xid, uint32_t server, uint32_t requested);
int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr);
int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr);
int send_release(uint32_t server, uint32_t ciaddr);
int get_raw_packet(struct dhcpMessage *payload, int fd);
#endif