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net: dhcp: add support to send the hostname to the dhcp server 

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2012-04-15 15:27:39 +02:00 committed by Sascha Hauer
parent 3170433558
commit 903d939193
1 changed files with 12 additions and 2 deletions
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14
net/dhcp.c
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@ -237,6 +237,7 @@ static int dhcp_set_string_options(struct dhcp_param *param, u8 *e)
return str_len + 2;
}
#define DHCP_HOSTNAME 12
#define DHCP_VENDOR_ID 60
#define DHCP_CLIENT_ID 61
#define DHCP_USER_CLASS 77
@ -244,6 +245,10 @@ static int dhcp_set_string_options(struct dhcp_param *param, u8 *e)
struct dhcp_param dhcp_params[] = {
{
.option = DHCP_HOSTNAME,
.handle = dhcp_set_string_options,
.barebox_var_name = "hostname",
}, {
.option = DHCP_VENDOR_ID,
.handle = dhcp_set_string_options,
.barebox_var_name = "dhcp_vendor_id",
@ -614,8 +619,11 @@ static int do_dhcp(int argc, char *argv[])
dhcp_reset_env();
while((opt = getopt(argc, argv, "v:c:u:U:")) > 0) {
while((opt = getopt(argc, argv, "H:v:c:u:U:")) > 0) {
switch(opt) {
case 'H':
dhcp_set_param_data(DHCP_HOSTNAME, optarg);
break;
case 'v':
dhcp_set_param_data(DHCP_VENDOR_ID, optarg);
break;
@ -672,6 +680,8 @@ out:
BAREBOX_CMD_HELP_START(dhcp)
BAREBOX_CMD_HELP_USAGE("dhcp [OPTIONS]\n")
BAREBOX_CMD_HELP_SHORT("Invoke dhcp client to obtain ip/boot params.\n")
BAREBOX_CMD_HELP_OPT ("-H <hostname>",
"Hostname to send to the DHCP server\n");
BAREBOX_CMD_HELP_OPT ("-v <vendor_id>",
"DHCP Vendor ID (code 60) submitted in DHCP requests. It can\n"
"be used in the DHCP server's configuration to select options\n"
@ -697,7 +707,7 @@ BAREBOX_CMD_START(dhcp)
BAREBOX_CMD_END
BAREBOX_MAGICVAR(bootfile, "bootfile returned from DHCP request");
BAREBOX_MAGICVAR(hostname, "hostname returned from DHCP request");
BAREBOX_MAGICVAR(hostname, "hostname to send or returned from DHCP request");
BAREBOX_MAGICVAR(rootpath, "rootpath returned from DHCP request");
BAREBOX_MAGICVAR(dhcp_vendor_id, "vendor id to send to the DHCP server");
BAREBOX_MAGICVAR(dhcp_client_uuid, "cliend uuid to send to the DHCP server");