busybox/networking/udhcp/dhcpc.h
Denys Vlasenko 11e024aa86 udhcpc6: add ELAPSED_TIME option to outgoing packets
function                                             old     new   delta
init_d6_packet                                        53     121     +68
udhcpc_main                                         2577    2582      +5
udhcpc6_main                                        2593    2597      +4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 3/0 up/down: 77/0)               Total: 77 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2019-09-24 14:01:00 +02:00

47 lines
1.5 KiB
C

/* vi: set sw=4 ts=4: */
/*
* Licensed under GPLv2, see file LICENSE in this source tree.
*/
#ifndef UDHCP_DHCPC_H
#define UDHCP_DHCPC_H 1
PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
struct client_data_t {
uint8_t client_mac[6]; /* Our mac address */
IF_FEATURE_UDHCP_PORT(uint16_t port;)
int ifindex; /* Index number of the interface to use */
uint8_t opt_mask[256 / 8]; /* Bitmask of options to send (-O option) */
// ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ TODO: DHCPv6 has 16-bit option numbers
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 */
struct option_set *options; /* list of DHCP options to send to server */
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 */
unsigned first_secs;
unsigned last_secs;
int sockfd;
smallint listen_mode;
smallint state;
} FIX_ALIASING;
/* server_config sits in 1st half of bb_common_bufsiz1 */
#define client_data (*(struct client_data_t*)(&bb_common_bufsiz1[COMMON_BUFSIZE / 2]))
#if ENABLE_FEATURE_UDHCP_PORT
#define CLIENT_PORT (client_data.port)
#define CLIENT_PORT6 (client_data.port)
#else
#define CLIENT_PORT 68
#define CLIENT_PORT6 546
#endif
POP_SAVED_FUNCTION_VISIBILITY
#endif