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[dhcp] Allow for variable encapsulation of architecture-specific options 

DHCPv4 and DHCPv6 share some values in common for the architecture-
specific options (such as the client system architecture type), but
use different encapsulations: DHCPv4 has a single byte for the option
length while DHCPv6 has a 16-bit field for the option length.

Move the containing DHCP_OPTION() and related wrappers from the
individual dhcp_arch.h files to dhcp.c, thus allowing for the
architecture-specific values to be reused in dhcpv6.c.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2016-07-04 13:15:05 +01:00
parent 3bb61c33c2
commit 3d9f094022
7 changed files with 39 additions and 45 deletions
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13
src/arch/arm32/include/efi/ipxe/dhcp_arch.h
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@ -33,14 +33,13 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <ipxe/dhcp.h>
#define DHCP_ARCH_VENDOR_CLASS_ID \
DHCP_STRING ( 'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':', \
'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '7', ':', \
'U', 'N', 'D', 'I', ':', '0', '0', '3', '0', '1', '0' )
#define DHCP_ARCH_VENDOR_CLASS_ID \
'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':', \
'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '7', ':', \
'U', 'N', 'D', 'I', ':', '0', '0', '3', '0', '1', '0'
#define DHCP_ARCH_CLIENT_ARCHITECTURE \
DHCP_WORD ( DHCP_CLIENT_ARCHITECTURE_ARM32 )
#define DHCP_ARCH_CLIENT_ARCHITECTURE DHCP_CLIENT_ARCHITECTURE_ARM32
#define DHCP_ARCH_CLIENT_NDI DHCP_OPTION ( 1 /* UNDI */ , 3, 10 /* v3.10 */ )
#define DHCP_ARCH_CLIENT_NDI 1 /* UNDI */ , 3, 10 /* v3.10 */
#endif

13
src/arch/arm64/include/efi/ipxe/dhcp_arch.h
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@ -33,14 +33,13 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <ipxe/dhcp.h>
#define DHCP_ARCH_VENDOR_CLASS_ID \
DHCP_STRING ( 'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':', \
'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '7', ':', \
'U', 'N', 'D', 'I', ':', '0', '0', '3', '0', '1', '0' )
#define DHCP_ARCH_VENDOR_CLASS_ID \
'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':', \
'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '7', ':', \
'U', 'N', 'D', 'I', ':', '0', '0', '3', '0', '1', '0'
#define DHCP_ARCH_CLIENT_ARCHITECTURE \
DHCP_WORD ( DHCP_CLIENT_ARCHITECTURE_ARM64 )
#define DHCP_ARCH_CLIENT_ARCHITECTURE DHCP_CLIENT_ARCHITECTURE_ARM64
#define DHCP_ARCH_CLIENT_NDI DHCP_OPTION ( 1 /* UNDI */ , 3, 10 /* v3.10 */ )
#define DHCP_ARCH_CLIENT_NDI 1 /* UNDI */ , 3, 10 /* v3.10 */
#endif

13
src/arch/i386/include/efi/ipxe/dhcp_arch.h
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@ -33,14 +33,13 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <ipxe/dhcp.h>
#define DHCP_ARCH_VENDOR_CLASS_ID \
DHCP_STRING ( 'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':', \
'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '6', ':', \
'U', 'N', 'D', 'I', ':', '0', '0', '3', '0', '1', '0' )
#define DHCP_ARCH_VENDOR_CLASS_ID \
'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':', \
'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '6', ':', \
'U', 'N', 'D', 'I', ':', '0', '0', '3', '0', '1', '0'
#define DHCP_ARCH_CLIENT_ARCHITECTURE \
DHCP_WORD ( DHCP_CLIENT_ARCHITECTURE_IA32 )
#define DHCP_ARCH_CLIENT_ARCHITECTURE DHCP_CLIENT_ARCHITECTURE_IA32
#define DHCP_ARCH_CLIENT_NDI DHCP_OPTION ( 1 /* UNDI */ , 3, 10 /* v3.10 */ )
#define DHCP_ARCH_CLIENT_NDI 1 /* UNDI */ , 3, 10 /* v3.10 */
#endif

13
src/arch/i386/include/pcbios/ipxe/dhcp_arch.h
View File

@ -33,14 +33,13 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <ipxe/dhcp.h>
#define DHCP_ARCH_VENDOR_CLASS_ID \
DHCP_STRING ( 'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':', \
'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '0', ':', \
'U', 'N', 'D', 'I', ':', '0', '0', '2', '0', '0', '1' )
#define DHCP_ARCH_VENDOR_CLASS_ID \
'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':', \
'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '0', ':', \
'U', 'N', 'D', 'I', ':', '0', '0', '2', '0', '0', '1'
#define DHCP_ARCH_CLIENT_ARCHITECTURE \
DHCP_WORD ( DHCP_CLIENT_ARCHITECTURE_X86 )
#define DHCP_ARCH_CLIENT_ARCHITECTURE DHCP_CLIENT_ARCHITECTURE_X86
#define DHCP_ARCH_CLIENT_NDI DHCP_OPTION ( 1 /* UNDI */ , 2, 1 /* v2.1 */ )
#define DHCP_ARCH_CLIENT_NDI 1 /* UNDI */ , 2, 1 /* v2.1 */
#endif

13
src/arch/x86_64/include/efi/ipxe/dhcp_arch.h
View File

@ -33,14 +33,13 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <ipxe/dhcp.h>
#define DHCP_ARCH_VENDOR_CLASS_ID \
DHCP_STRING ( 'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':', \
'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '9', ':', \
'U', 'N', 'D', 'I', ':', '0', '0', '3', '0', '1', '0' )
#define DHCP_ARCH_VENDOR_CLASS_ID \
'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':', \
'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '9', ':', \
'U', 'N', 'D', 'I', ':', '0', '0', '3', '0', '1', '0'
#define DHCP_ARCH_CLIENT_ARCHITECTURE \
DHCP_WORD ( DHCP_CLIENT_ARCHITECTURE_X86_64 )
#define DHCP_ARCH_CLIENT_ARCHITECTURE DHCP_CLIENT_ARCHITECTURE_X86_64
#define DHCP_ARCH_CLIENT_NDI DHCP_OPTION ( 1 /* UNDI */ , 3, 10 /* v3.10 */ )
#define DHCP_ARCH_CLIENT_NDI 1 /* UNDI */ , 3, 10 /* v3.10 */
#endif

13
src/arch/x86_64/include/pcbios/ipxe/dhcp_arch.h
View File

@ -33,14 +33,13 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <ipxe/dhcp.h>
#define DHCP_ARCH_VENDOR_CLASS_ID \
DHCP_STRING ( 'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':', \
'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '0', ':', \
'U', 'N', 'D', 'I', ':', '0', '0', '2', '0', '0', '1' )
#define DHCP_ARCH_VENDOR_CLASS_ID \
'P', 'X', 'E', 'C', 'l', 'i', 'e', 'n', 't', ':', \
'A', 'r', 'c', 'h', ':', '0', '0', '0', '0', '0', ':', \
'U', 'N', 'D', 'I', ':', '0', '0', '2', '0', '0', '1'
#define DHCP_ARCH_CLIENT_ARCHITECTURE \
DHCP_WORD ( DHCP_CLIENT_ARCHITECTURE_X86 )
#define DHCP_ARCH_CLIENT_ARCHITECTURE DHCP_CLIENT_ARCHITECTURE_X86
#define DHCP_ARCH_CLIENT_NDI DHCP_OPTION ( 1 /* UNDI */ , 2, 1 /* v2.1 */ )
#define DHCP_ARCH_CLIENT_NDI 1 /* UNDI */ , 2, 1 /* v2.1 */
#endif

6
src/net/udp/dhcp.c
View File

@ -82,9 +82,9 @@ static uint8_t dhcp_request_options_data[] = {
DHCP_MESSAGE_TYPE, DHCP_BYTE ( 0 ),
DHCP_MAX_MESSAGE_SIZE,
DHCP_WORD ( ETH_MAX_MTU - 20 /* IP header */ - 8 /* UDP header */ ),
DHCP_CLIENT_ARCHITECTURE, DHCP_ARCH_CLIENT_ARCHITECTURE,
DHCP_CLIENT_NDI, DHCP_ARCH_CLIENT_NDI,
DHCP_VENDOR_CLASS_ID, DHCP_ARCH_VENDOR_CLASS_ID,
DHCP_CLIENT_ARCHITECTURE, DHCP_WORD ( DHCP_ARCH_CLIENT_ARCHITECTURE ),
DHCP_CLIENT_NDI, DHCP_OPTION ( DHCP_ARCH_CLIENT_NDI ),
DHCP_VENDOR_CLASS_ID, DHCP_STRING ( DHCP_ARCH_VENDOR_CLASS_ID ),
DHCP_USER_CLASS_ID, DHCP_STRING ( 'i', 'P', 'X', 'E' ),
DHCP_PARAMETER_REQUEST_LIST,
DHCP_OPTION ( DHCP_SUBNET_MASK, DHCP_ROUTERS, DHCP_DNS_SERVERS,