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List:       dhcp-hackers
Subject:    Re: [PATCH] dhcp: add RFC5970 options to dhcp
From:       Neil Horman <nhorman () tuxdriver ! com>
Date:       2012-02-29 18:07:51
Message-ID: 20120229180751.GC19144 () hmsreliant ! think-freely ! org
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On Wed, Feb 29, 2012 at 12:45:55PM -0500, Chuck Anderson wrote:
> Thanks for doing this.
> 
> The comments refer to RFC5070 instead of 5970.
> 
Shoot, typo on my part, Heres a repost with that corrected.  Thanks for noticing 
Neil


-----


 common/dhcp-options.5 |   41 +++++++++++++++++++++++++++++++++++++++++
 common/tables.c       |   11 +++++++++++
 includes/dhcp6.h      |    5 +++++
 3 files changed, 57 insertions(+)


diff -up ./common/dhcp-options.5.orig ./common/dhcp-options.5
--- ./common/dhcp-options.5.orig	2011-05-20 10:33:26.000000000 -0400
+++ ./common/dhcp-options.5	2012-02-29 12:04:11.074998816 -0500
@@ -1712,7 +1712,48 @@ The \fBlq-relay-data\fR option is used i
 The \fBlq-client-link\fR option is used internally by for lease query.
 .RE
 .PP
+
+.B option
+.B dhcp6.bootfile-url
+.I string 
+.B ;
+.RS 0.25i
+.PP
+The server sends this option to inform the client about a URL to a
+boot file.  Used primarily for UEFI network booting, it contains an RFC3986
+compliant URI which the client may use to boot an operating system.  This option
+is defined in RFC5790
+.RE
+.PP
+
+.B option
+.B dhcp6.arch-type
+.I arch-id \fR[\fB,\fR arch-id\fR...] 
+.B ;
+.RS 0.25i
+.PP
+A client will send this option to a server so that the server may make decisions
+on what options and addresses to offer the requesting client.  The option
+consists of a list of 16 bit unsigned values that represent the architecure of
+the requesting client.  These values corespond to the values available to the
+dhcp4 option architecture-type, as defined in RFC4578, section 2.1.
+This option is defined in RFC5790
 .RE
+.PP
+
+.B option
+.B dhcp6.net-id
+.I uint8, uint8, uint8 
+.B ;
+.RS 0.25i
+.PP
+A client will send this option to a server to inform it about the clients level
+of UNDI support.  The option consists of 3 octets (a type, major and minor
+value).  Specific meanings of these values are doumented in section 2.2 of
+RFC4578.
+This option is defined in RFC5790
+.RE
+.PP
 .SH DEFINING NEW OPTIONS
 The Internet Systems Consortium DHCP client and server provide the
 capability to define new options.   Each DHCP option has a name, a
diff -up ./common/tables.c.orig ./common/tables.c
--- ./common/tables.c.orig	2011-05-20 10:33:27.000000000 -0400
+++ ./common/tables.c	2012-02-29 12:03:22.610000294 -0500
@@ -459,6 +459,17 @@ static struct option dhcpv6_options[] =
 	{ "lq-relay-data", "6X",		&dhcpv6_universe, 47, 1 },
 	{ "lq-client-link", "6A",		&dhcpv6_universe, 48, 1 },
 
+			/* RFC5970 OPTIONS */
+	{ "bootfile-url", "t",			&dhcpv6_universe, 59, 1},
+#if 0
+	/* Can't implement this until arrays of strings with length "StA"
+	 * are implemented
+	 */
+	{ "bootfile-param", "StA",		&dhcpv6_universe, 60, 1},
+#endif
+	{ "arch-type", "Sa",			&dhcpv6_universe, 61, 1},
+	{ "net-id", "BA",			&dhcpv6_universe, 62, 1},
+
 	{ NULL, NULL, NULL, 0, 0 }
 };
 
diff -up ./includes/dhcp6.h.orig ./includes/dhcp6.h
--- ./includes/dhcp6.h.orig	2010-02-17 15:33:55.000000000 -0500
+++ ./includes/dhcp6.h	2012-02-29 12:03:22.610000294 -0500
@@ -75,6 +75,11 @@
 #define D6O_CLT_TIME				46 /* RFC5007 */
 #define D6O_LQ_RELAY_DATA			47 /* RFC5007 */
 #define D6O_LQ_CLIENT_LINK			48 /* RFC5007 */
+/* 49-58 Not yet assigned */
+#define D60_BOOT_URL				59 /* RFC5970 */
+#define D60_BOOT_PARAMS				60 /* RFC5970 */
+#define D60_CLIENT_ARCH				61 /* RFC5970 */
+#define D60_CLIENT_NII				62 /* RFC5970 */
 
 /* 
  * Status Codes, from RFC 3315 section 24.4, and RFC 3633, 5007.
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