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| author | Michael Brown <mcb30@ipxe.org> | 2023-07-19 11:10:15 +0100 |
|---|---|---|
| committer | Michael Brown <mcb30@ipxe.org> | 2023-07-19 11:10:15 +0100 |
| commit | d5c08f78bdf45668a955c1f3d3a96f35d8c0e91b (patch) | |
| tree | e3b1f7cc62d38f6a564ba10fec10d7da14826c52 | |
| parent | c30b71ee9cc2dc2a1d2f225d99f2d70dd73de247 (diff) | |
| download | ipxe-d5c08f78bdf45668a955c1f3d3a96f35d8c0e91b.tar.gz | |
[ntp] Define NTP server setting
Define the IPv4 NTP server setting to simplify the use of a
DHCP-provided NTP server in scripts, using e.g.
#!ipxe
dhcp
ntp ${ntp}
Signed-off-by: Michael Brown <mcb30@ipxe.org>
| -rw-r--r-- | src/include/ipxe/dhcp.h | 3 | ||||
| -rw-r--r-- | src/net/udp/ntp.c | 10 |
2 files changed, 13 insertions, 0 deletions
diff --git a/src/include/ipxe/dhcp.h b/src/include/ipxe/dhcp.h index a1f9ee250..51349efd9 100644 --- a/src/include/ipxe/dhcp.h +++ b/src/include/ipxe/dhcp.h @@ -86,6 +86,9 @@ struct dhcp_packet; /** Maximum transmission unit */ #define DHCP_MTU 26 +/** NTP servers */ +#define DHCP_NTP_SERVERS 42 + /** Vendor encapsulated options */ #define DHCP_VENDOR_ENCAP 43 diff --git a/src/net/udp/ntp.c b/src/net/udp/ntp.c index 11f8ccc00..559233575 100644 --- a/src/net/udp/ntp.c +++ b/src/net/udp/ntp.c @@ -36,6 +36,8 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include <ipxe/timer.h> #include <ipxe/time.h> #include <ipxe/tcpip.h> +#include <ipxe/dhcp.h> +#include <ipxe/settings.h> #include <ipxe/ntp.h> /** @file @@ -273,3 +275,11 @@ int start_ntp ( struct interface *job, const char *hostname ) { err_alloc: return rc; } + +/** IPv4 NTP server setting */ +const struct setting ntp_setting __setting ( SETTING_IP4_EXTRA, ntp ) = { + .name = "ntp", + .description = "NTP server", + .tag = DHCP_NTP_SERVERS, + .type = &setting_type_ipv4, +}; |