From 903d93919310c6d515f217c81a5b33cdec791116 Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Sun, 15 Apr 2012 15:27:39 +0200 Subject: net: dhcp: add support to send the hostname to the dhcp server Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Signed-off-by: Sascha Hauer --- net/dhcp.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'net/dhcp.c') diff --git a/net/dhcp.c b/net/dhcp.c index 8569917a78..1d01d059d0 100644 --- a/net/dhcp.c +++ b/net/dhcp.c @@ -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 to send to the DHCP server\n"); BAREBOX_CMD_HELP_OPT ("-v ", "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"); -- cgit v1.2.3