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| author | Michael Brown | 2009-02-03 03:46:06 +0100 |
|---|---|---|
| committer | Michael Brown | 2009-02-05 10:34:05 +0100 |
| commit | ff2b308506ed67f6cc007356f6a10358c6ee48f1 (patch) | |
| tree | e791e2820d5031c8acfc45c15ff66b02c5ce1006 /src/include | |
| parent | [pxe] Fall back to broadcast if no boot server multicast address exists (diff) | |
| download | ipxe-ff2b308506ed67f6cc007356f6a10358c6ee48f1.tar.gz ipxe-ff2b308506ed67f6cc007356f6a10358c6ee48f1.tar.xz ipxe-ff2b308506ed67f6cc007356f6a10358c6ee48f1.zip | |
[pxe] Skip PXE boot server discovery if directed to do so
Option 43.6 can direct us to skip PXE boot server discovery and just
perform a standard DHCP filename boot.
Diffstat (limited to 'src/include')
| -rw-r--r-- | src/include/gpxe/dhcp.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/include/gpxe/dhcp.h b/src/include/gpxe/dhcp.h index d84d55ddb..44edd6458 100644 --- a/src/include/gpxe/dhcp.h +++ b/src/include/gpxe/dhcp.h @@ -82,6 +82,21 @@ struct dhcp_packet; /** Vendor encapsulated options */ #define DHCP_VENDOR_ENCAP 43 +/** PXE boot server discovery control */ +#define DHCP_PXE_DISCOVERY_CONTROL DHCP_ENCAP_OPT ( DHCP_VENDOR_ENCAP, 6 ) + +/** PXE boot server discovery control bits */ +enum dhcp_pxe_discovery_control { + /** Inhibit broadcast discovery */ + PXEBS_NO_BROADCAST = 1, + /** Inhibit multicast discovery */ + PXEBS_NO_MULTICAST = 2, + /** Accept only servers in DHCP_PXE_BOOT_SERVERS list */ + PXEBS_NO_UNKNOWN_SERVERS = 4, + /** Skip discovery if filename present */ + PXEBS_SKIP = 8, +}; + /** PXE boot server multicast address */ #define DHCP_PXE_BOOT_SERVER_MCAST DHCP_ENCAP_OPT ( DHCP_VENDOR_ENCAP, 7 ) |