+++ /dev/null
-/*++\r
-\r
-Copyright (c) 2006 - 2007, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-Module Name:\r
- pxe_bc_dhcp.c\r
-\r
-Abstract:\r
- DHCP and PXE discovery protocol implementations.\r
-\r
---*/\r
-\r
-\r
-#include "Bc.h"\r
-\r
-STATIC EFI_PXE_BASE_CODE_UDP_PORT DhcpServerPort = DHCP_SERVER_PORT;\r
-STATIC EFI_PXE_BASE_CODE_UDP_PORT DHCPClientPort = DHCP_CLIENT_PORT;\r
-STATIC EFI_PXE_BASE_CODE_UDP_PORT PseudoDhcpServerPort = PXE_DISCOVERY_PORT;\r
-#define PSEUDO_DHCP_CLIENT_PORT PseudoDhcpServerPort\r
-STATIC EFI_IP_ADDRESS BroadcastIP = { { 0xffffffff } };\r
-STATIC EFI_IP_ADDRESS DefaultSubnetMask = { { 0xffffff00 } };\r
-\r
-typedef union {\r
- DHCPV4_OP_STRUCT *OpPtr;\r
- PXE_OP_SERVER_LIST *BootServersStr;\r
- PXE_SERVER_LIST *BootServerList;\r
- PXE_BOOT_MENU_ENTRY *BootMenuItem;\r
- PXE_OP_DISCOVERY_CONTROL *DiscoveryControl;\r
- PXE_OP_BOOT_MENU *BootMenu;\r
- PXE_OP_BOOT_ITEM *BootItem;\r
- DHCPV4_OP_VENDOR_OPTIONS *VendorOptions;\r
- DHCPV4_OP_OVERLOAD *Overload;\r
- DHCPV4_OP_CLASS *PxeClassStr;\r
- DHCPV4_OP_SUBNET_MASK *SubnetMaskStr;\r
- DHCPV4_OP_MESSAGE_TYPE *MessageType;\r
- UINT8 *BytePtr;\r
-} UNION_PTR;\r
-\r
-#pragma pack(1)\r
-//\r
-// option structure for DHCPREQUEST at end of DISCOVER options\r
-// and for DHCPDECLINE\r
-//\r
-STATIC const struct requestopendstr {\r
- DHCPV4_OP_REQUESTED_IP OpReqIP;\r
- DHCPV4_OP_SERVER_IP DhcServerIpPtr;\r
- UINT8 End[1];\r
-}\r
-RequestOpEndStr = {\r
- {\r
- {\r
- OP_DHCP_REQ_IP_ADD,\r
- DHCPV4_OPTION_LENGTH(DHCPV4_OP_REQUESTED_IP)\r
- }\r
- },\r
- {\r
- {\r
- OP_DHCP_SERVER_IP,\r
- DHCPV4_OPTION_LENGTH(DHCPV4_OP_SERVER_IP)\r
- }\r
- },\r
- {\r
- OP_END\r
- }\r
-};\r
-\r
-#define DHCP_REQ_OPTIONS (*(struct requestopendstr *) DHCPV4_OPTIONS_BUFFER.End)\r
-\r
-PXE_OP_BOOT_ITEM DefaultBootItem = {\r
- {\r
- VEND_PXE_BOOT_ITEM,\r
- DHCPV4_OPTION_LENGTH(PXE_OP_BOOT_ITEM)\r
- },\r
- 0, 0,\r
-};\r
-\r
-//\r
-// PXE discovery control default structure\r
-//\r
-STATIC PXE_OP_DISCOVERY_CONTROL DefaultDisCtl = {\r
- { VEND_PXE_DISCOVERY_CONTROL, DHCPV4_OPTION_LENGTH(PXE_OP_DISCOVERY_CONTROL) },\r
- 0\r
-};\r
-\r
-//\r
-// PXE credentials option structure\r
-//\r
-typedef struct {\r
- UINT8 c[4];\r
-} PXE_CREDENTIAL;\r
-\r
-typedef struct {\r
- DHCPV4_OP_HEADER Header;\r
- PXE_CREDENTIAL Credentials[1];\r
-} PXE_OP_CREDENTIAL_TYPES;\r
-\r
-//\r
-// option structure for PXE discover (without credentials)\r
-//\r
-typedef struct { // discoveropendstr {\r
- DHCPV4_OP_HEADER Header; // vendor options\r
- PXE_OP_BOOT_ITEM BootItem;\r
- UINT8 End[1]; // if credentials option, it starts here\r
-} PXE_DISCOVER_OPTIONS;\r
-\r
-#define DISCOVERoptions (*(PXE_DISCOVER_OPTIONS *) DHCPV4_OPTIONS_BUFFER.End)\r
-#define DISCREDoptions (*(PXE_OP_CREDENTIAL_TYPES *) DISCOVERoptions.End)\r
-\r
-//\r
-// common option beginning for all our DHCP messages except\r
-// DHCPDECLINE and DHCPRELEASE\r
-//\r
-STATIC struct optionsstr {\r
- UINT8 DhcpCookie[4];\r
- DHCPV4_OP_MESSAGE_TYPE DhcpMessageType;\r
- DHCPV4_OP_MAX_MESSAGE_SIZE DhcpMaxMessageSize;\r
- DHCPV4_OP_REQUESTED_OPTIONS DhcpRequestedOptions;\r
- DHCPV4_OP_PLATFORM_ID DhcpPlatformId;\r
- DHCPV4_OP_NETWORK_INTERFACE DhcpNetworkInterface;\r
- DHCPV4_OP_ARCHITECTURE_TYPE DhcpClientArchitecture;\r
- DHCPV4_OP_CLASS_ID DhcpClassIdentifier;\r
- UINT8 End[1];\r
-} DHCPOpStart;\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-VOID\r
-OptionsStrucInit (\r
- VOID\r
- )\r
-{\r
- DHCPOpStart.DhcpCookie[0] = 99;\r
- DHCPOpStart.DhcpCookie[1] = 130;\r
- DHCPOpStart.DhcpCookie[2] = 83;\r
- DHCPOpStart.DhcpCookie[3] = 99;\r
- DHCPOpStart.DhcpMessageType.Header.OpCode = OP_DHCP_MESSAGE_TYPE;\r
- DHCPOpStart.DhcpMessageType.Header.Length = 1;\r
- DHCPOpStart.DhcpMessageType.Type = DHCPDISCOVER;\r
- DHCPOpStart.DhcpMaxMessageSize.Header.OpCode = OP_DHCP_MAX_MESSAGE_SZ;\r
- DHCPOpStart.DhcpMaxMessageSize.Header.Length = 2;\r
- DHCPOpStart.DhcpMaxMessageSize.MaxSize[0] = MAX_DHCP_MSG_SZ >> 8;\r
- DHCPOpStart.DhcpMaxMessageSize.MaxSize[1] = MAX_DHCP_MSG_SZ & 0xff;\r
- DHCPOpStart.DhcpRequestedOptions.Header.OpCode = OP_DHCP_PARM_REQ_LIST;\r
- DHCPOpStart.DhcpRequestedOptions.Header.Length = sizeof (DHCPV4_REQUESTED_OPTIONS_DATA);\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_SUBNET_MASK = OP_SUBNET_MASK; /* 1 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_TIME_OFFSET = OP_TIME_OFFSET; /* 2 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_ROUTER_LIST = OP_ROUTER_LIST; /* 3 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_TIME_SERVERS = OP_TIME_SERVERS; /* 4 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_NAME_SERVERS = OP_NAME_SERVERS; /* 5 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_DNS_SERVERS = OP_DNS_SERVERS; /* 6 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_HOST_NAME = OP_HOST_NAME; /* 12 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_BOOT_FILE_SZ = OP_BOOT_FILE_SZ; /* 13 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_DOMAIN_NAME = OP_DOMAIN_NAME; /* 15 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_ROOT_PATH = OP_ROOT_PATH; /* 17 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_EXTENSION_PATH = OP_EXTENSION_PATH; /* 18 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_MAX_DATAGRAM_SZ = OP_MAX_DATAGRAM_SZ; /* 22 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_DEFAULT_TTL = OP_DEFAULT_TTL; /* 23 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_BROADCAST_ADD = OP_BROADCAST_ADD; /* 28 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_NIS_DOMAIN_NAME = OP_NIS_DOMAIN_NAME; /* 40 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_NIS_SERVERS = OP_NIS_SERVERS; /* 41 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_NTP_SERVERS = OP_NTP_SERVERS; /* 42 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_VENDOR_SPECIFIC = OP_VENDOR_SPECIFIC; /* 43 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_REQ_IP_ADD = OP_DHCP_REQ_IP_ADD; /* 50 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_LEASE_TIME = OP_DHCP_LEASE_TIME; /* 51 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_SERVER_IP = OP_DHCP_SERVER_IP; /* 54 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_RENEWAL_TIME = OP_DHCP_RENEWAL_TIME; /* 58 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_REBINDING_TIME = OP_DHCP_REBINDING_TIME; /* 59 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_CLASS_IDENTIFIER = OP_DHCP_CLASS_IDENTIFIER; /* 60 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_TFTP_SERVER_NAME = OP_DHCP_TFTP_SERVER_NAME; /* 66 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_BOOTFILE = OP_DHCP_BOOTFILE; /* 67 */\r
- DHCPOpStart.DhcpRequestedOptions.Data._OP_DHCP_PLATFORM_ID = OP_DHCP_PLATFORM_ID; /* 97 */\r
- DHCPOpStart.DhcpRequestedOptions.Data.VendorOption128 = 128;\r
- DHCPOpStart.DhcpRequestedOptions.Data.VendorOption129 = 129;\r
- DHCPOpStart.DhcpRequestedOptions.Data.VendorOption130 = 130;\r
- DHCPOpStart.DhcpRequestedOptions.Data.VendorOption131 = 131;\r
- DHCPOpStart.DhcpRequestedOptions.Data.VendorOption132 = 132;\r
- DHCPOpStart.DhcpRequestedOptions.Data.VendorOption133 = 133, DHCPOpStart.DhcpRequestedOptions.Data.VendorOption134 = 134;\r
- DHCPOpStart.DhcpRequestedOptions.Data.VendorOption135 = 135;\r
- DHCPOpStart.DhcpPlatformId.Header.OpCode = OP_DHCP_PLATFORM_ID;\r
- DHCPOpStart.DhcpPlatformId.Header.Length = DHCPV4_OPTION_LENGTH (DHCPV4_OP_PLATFORM_ID);\r
- DHCPOpStart.DhcpNetworkInterface.Header.OpCode = OP_DHCP_NETWORK_ARCH;\r
- DHCPOpStart.DhcpNetworkInterface.Header.Length = DHCPV4_OPTION_LENGTH (DHCPV4_OP_NETWORK_INTERFACE);\r
- DHCPOpStart.DhcpNetworkInterface.Type = 0;\r
- DHCPOpStart.DhcpNetworkInterface.MajorVersion = 0;\r
- DHCPOpStart.DhcpNetworkInterface.MinorVersion = 0;\r
- DHCPOpStart.DhcpClientArchitecture.Header.OpCode = OP_DHCP_SYSTEM_ARCH;\r
- DHCPOpStart.DhcpClientArchitecture.Header.Length = DHCPV4_OPTION_LENGTH (DHCPV4_OP_ARCHITECTURE_TYPE);\r
- DHCPOpStart.DhcpClientArchitecture.Type = HTONS (SYS_ARCH);\r
- DHCPOpStart.DhcpClassIdentifier.Header.OpCode = OP_DHCP_CLASS_IDENTIFIER;\r
- DHCPOpStart.DhcpClassIdentifier.Header.Length = sizeof (DHCPV4_CLASS_ID_DATA);\r
- CopyMem (\r
- DHCPOpStart.DhcpClassIdentifier.Data.ClassIdentifier,\r
- "PXEClient:",\r
- sizeof ("PXEClient:")\r
- );\r
- CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.Lit2, "Arch:", sizeof ("Arch:"));\r
- CopyMem (\r
- DHCPOpStart.DhcpClassIdentifier.Data.ArchitectureType,\r
- "xxxxx",\r
- sizeof ("xxxxx")\r
- );\r
- CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.Lit3, ":", sizeof (":"));\r
- CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.InterfaceName, "XXXX", sizeof ("XXXX"));\r
- CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.Lit4, ":", sizeof (":"));\r
- CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.UndiMajor, "yyy", sizeof ("yyy"));\r
- CopyMem (DHCPOpStart.DhcpClassIdentifier.Data.UndiMinor, "xxx", sizeof ("xxx"));\r
- DHCPOpStart.End[0] = OP_END;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// DHCPDECLINE option structure\r
-//\r
-struct opdeclinestr {\r
- UINT8 DhcpCookie[4];\r
- DHCPV4_OP_MESSAGE_TYPE DhcpMessageType;\r
- struct requestopendstr OpDeclineEnd;\r
-};\r
-\r
-#define DHCPDECLINEoptions (*(struct opdeclinestr *) DHCPV4_TRANSMIT_BUFFER.options)\r
-\r
-//\r
-// DHCPRELEASE option structure\r
-//\r
-struct opreleasestr {\r
- UINT8 DhcpCookie[4];\r
- DHCPV4_OP_MESSAGE_TYPE DhcpMessageType;\r
- DHCPV4_OP_SERVER_IP DhcServerIpPtr;\r
- UINT8 End[1];\r
-};\r
-\r
-#define DHCPRELEASEoptions (*(struct opreleasestr *) DHCPV4_TRANSMIT_BUFFER.options)\r
-\r
-//\r
-// array of PXE vendor options in which we are interested\r
-// value 0 -> not of interest, else value is index into PXE OPTION array\r
-// option values from 1 to MAX_OUR_PXE_OPT\r
-//\r
-STATIC UINT8 ourPXEopts[MAX_OUR_PXE_OPT] = {\r
- VEND_PXE_MTFTP_IP_IX, // multicast IP address of bootfile for MTFTP listen\r
- VEND_PXE_MTFTP_CPORT_IX, // UDP Port to monitor for MTFTP responses - Intel order\r
- VEND_PXE_MTFTP_SPORT_IX, // Server UDP Port for MTFTP open - Intel order\r
- VEND_PXE_MTFTP_TMOUT_IX, // Listen timeout - secs\r
- VEND_PXE_MTFTP_DELAY_IX, // Transmission timeout - secs\r
- VEND_PXE_DISCOVERY_CONTROL_IX, // bit field\r
- VEND_PXE_DISCOVERY_MCAST_ADDR_IX, // boot server discovery multicast address\r
- VEND_PXE_BOOT_SERVERS_IX, // list of boot servers of form tp(2) cnt(1) ips[cnt]\r
- VEND_PXE_BOOT_MENU_IX,\r
- VEND_PXE_BOOT_PROMPT_IX,\r
- VEND_PXE_MCAST_ADDRS_ALLOC_IX, // not used by client\r
- VEND_PXE_CREDENTIAL_TYPES_IX,\r
- VEND_13_IX, // not used by client\r
- VEND_14_IX, // not used by client\r
- VEND_15_IX, // not used by client\r
- VEND_16_IX, // not used by client\r
- VEND_17_IX, // not used by client\r
- VEND_18_IX, // not used by client\r
- VEND_19_IX, // not used by client\r
- VEND_20_IX, // not used by client\r
- VEND_21_IX, // not used by client\r
- VEND_22_IX, // not used by client\r
- VEND_23_IX, // not used by client\r
- VEND_24_IX, // not used by client\r
- VEND_25_IX, // not used by client\r
- VEND_26_IX, // not used by client\r
- VEND_27_IX, // not used by client\r
- VEND_28_IX, // not used by client\r
- VEND_29_IX, // not used by client\r
- VEND_30_IX, // not used by client\r
- VEND_31_IX, // not used by client\r
- VEND_32_IX, // not used by client\r
- VEND_33_IX, // not used by client\r
- VEND_34_IX, // not used by client\r
- VEND_35_IX, // not used by client\r
- VEND_36_IX, // not used by client\r
- VEND_37_IX, // not used by client\r
- VEND_38_IX, // not used by client\r
- VEND_39_IX, // not used by client\r
- VEND_40_IX, // not used by client\r
- VEND_41_IX, // not used by client\r
- VEND_42_IX, // not used by client\r
- VEND_43_IX, // not used by client\r
- VEND_44_IX, // not used by client\r
- VEND_45_IX, // not used by client\r
- VEND_46_IX, // not used by client\r
- VEND_47_IX, // not used by client\r
- VEND_48_IX, // not used by client\r
- VEND_49_IX, // not used by client\r
- VEND_50_IX, // not used by client\r
- VEND_51_IX, // not used by client\r
- VEND_52_IX, // not used by client\r
- VEND_53_IX, // not used by client\r
- VEND_54_IX, // not used by client\r
- VEND_55_IX, // not used by client\r
- VEND_56_IX, // not used by client\r
- VEND_57_IX, // not used by client\r
- VEND_58_IX, // not used by client\r
- VEND_59_IX, // not used by client\r
- VEND_60_IX, // not used by client\r
- VEND_61_IX, // not used by client\r
- VEND_62_IX, // not used by client\r
- VEND_63_IX, // not used by client\r
- VEND_64_IX, // not used by client\r
- VEND_65_IX, // not used by client\r
- VEND_66_IX, // not used by client\r
- VEND_67_IX, // not used by client\r
- VEND_68_IX, // not used by client\r
- VEND_69_IX, // not used by client\r
- VEND_70_IX, // not used by client\r
- VEND_PXE_BOOT_ITEM_IX\r
-};\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// array of options in which we are interested\r
-// value 0 -> not of interest, else value is index into OPTION array\r
-// option values from 1 to MAX_OUR_OPT\r
-//\r
-STATIC UINT8 OurDhcpOptions[MAX_OUR_OPT] = {\r
- OP_SUBNET_MASK_IX, // OP_SUBNET_MASK 1 // data is the subnet mask\r
- OP_TIME_OFFSET_IX, // OP_TIME_OFFSET 2 // data is the time offset of subnet to UTC in seconds\r
- OP_ROUTER_LIST_IX, // OP_ROUTER_LIST 3 // list of routers on subnet\r
- OP_TIME_SERVERS_IX, // OP_TIME_SERVERS 4 // list of time servers available\r
- OP_NAME_SERVERS_IX, // OP_NAME_SERVERS 5 // list of name servers available\r
- OP_DNS_SERVERS_IX, // OP_DNS_SERVERS 6 // list of DNS servers available\r
- OP_LOG_SERVERS_IX, // OP_LOG_SERVERS 7\r
- OP_COOKIE_SERVERS_IX, // OP_COOKIE_SERVERS 8\r
- OP_LPR_SREVERS_IX, // OP_LPR_SREVERS 9\r
- OP_IMPRESS_SERVERS_IX, // OP_IMPRESS_SERVERS 10\r
- OP_RES_LOC_SERVERS_IX, // OP_RES_LOC_SERVERS 11\r
- OP_HOST_NAME_IX, // OP_HOST_NAME 12 // client name\r
- OP_BOOT_FILE_SZ_IX, // OP_BOOT_FILE_SZ 13 // number of 512 blocks of boot file\r
- OP_DUMP_FILE_IX, // OP_DUMP_FILE 14 // path name of dump file if client crashes\r
- OP_DOMAIN_NAME_IX, // OP_DOMAIN_NAME 15 // domain name to use\r
- OP_SWAP_SERVER_IX, // OP_SWAP_SERVER 16\r
- OP_ROOT_PATH_IX, // OP_ROOT_PATH 17 // path name containing root disk\r
- OP_EXTENSION_PATH_IX, // OP_EXTENSION_PATH 18 // name of TFTP downloadable file of form of OP\r
- OP_IP_FORWARDING_IX, // OP_IP_FORWARDING 19 // enable/disable IP packet forwarding\r
- OP_NON_LOCAL_SRC_RTE_IX, // OP_NON_LOCAL_SRC_RTE 20 // enable/disable non local source routing\r
- OP_POLICY_FILTER_IX, // OP_POLICY_FILTER 21 // policy filters for non local source routing\r
- OP_MAX_DATAGRAM_SZ_IX, // OP_MAX_DATAGRAM_SZ 22 // maximum datagram reassembly size\r
- OP_DEFAULT_TTL_IX, // OP_DEFAULT_TTL 23 // default IP time to live\r
- OP_MTU_AGING_TIMEOUT_IX, // OP_MTU_AGING_TIMEOUT 24\r
- OP_MTU_SIZES_IX, // OP_MTU_SIZES 25\r
- OP_MTU_TO_USE_IX, // OP_MTU_TO_USE 26\r
- OP_ALL_SUBNETS_LOCAL_IX, // OP_ALL_SUBNETS_LOCAL 27\r
- OP_BROADCAST_ADD_IX, // OP_BROADCAST_ADD 28 // broadcast address used on subnet\r
- OP_PERFORM_MASK_DISCOVERY_IX, // OP_PERFORM_MASK_DISCOVERY 29 // perform mask discovery using ICMP\r
- OP_RESPOND_TO_MASK_REQ_IX, // OP_RESPOND_TO_MASK_REQ 30 // respond to subnet mask requests using ICMP\r
- OP_PERFORM_ROUTER_DISCOVERY_IX, // OP_PERFORM_ROUTER_DISCOVERY 31\r
- OP_ROUTER_SOLICIT_ADDRESS_IX, // OP_ROUTER_SOLICIT_ADDRESS 32\r
- OP_STATIC_ROUTER_LIST_IX, // OP_STATIC_ROUTER_LIST 33 // list of dest/route pairs\r
- OP_USE_ARP_TRAILERS_IX, // OP_USE_ARP_TRAILERS 34\r
- OP_ARP_CACHE_TIMEOUT_IX, // OP_ARP_CACHE_TIMEOUT 35\r
- OP_ETHERNET_ENCAPSULATION_IX, // OP_ETHERNET_ENCAPSULATION 36 // 0 -> RFC 894, 1 -> IEEE 802.3 (RFC 1042)\r
- OP_TCP_DEFAULT_TTL_IX, // OP_TCP_DEFAULT_TTL 37 // default time to live when sending TCP segments\r
- OP_TCP_KEEP_ALIVE_INT_IX, // OP_TCP_KEEP_ALIVE_INT 38 // keep alive interval in seconds\r
- OP_KEEP_ALIVE_GARBAGE_IX, // OP_KEEP_ALIVE_GARBAGE 39\r
- OP_NIS_DOMAIN_NAME_IX, // OP_NIS_DOMAIN_NAME 40\r
- OP_NIS_SERVERS_IX, // OP_NIS_SERVERS 41\r
- OP_NTP_SERVERS_IX, // OP_NTP_SERVERS 42\r
- OP_VENDOR_SPECIFIC_IX, // OP_VENDOR_SPECIFIC 43\r
- OP_NBNS_SERVERS_IX, // OP_NBNS_SERVERS 44\r
- OP_NBDD_SERVERS_IX, // OP_NBDD_SERVERS 45\r
- OP_NETBIOS_NODE_TYPE_IX, // OP_NETBIOS_NODE_TYPE 46\r
- OP_NETBIOS_SCOPE_IX, // OP_NETBIOS_SCOPE 47\r
- OP_XWINDOW_SYSTEM_FONT_SERVERS_IX, // OP_XWINDOW_SYSTEM_FONT_SERVERS 48\r
- OP_XWINDOW_SYSTEM_DISPLAY_MANAGERS_IX, // OP_XWINDOW_SYSTEM_DISPLAY_MANAGERS 49\r
- OP_DHCP_REQ_IP_ADD_IX, // OP_DHCP_REQ_IP_ADD 50 // requested IP address - in DHCPDISCOVER\r
- OP_DHCP_LEASE_TIME_IX, // OP_DHCP_LEASE_TIME 51 // lease time requested/granted\r
- OP_DHCP_OPTION_OVERLOAD_IX, // OP_DHCP_OPTION_OVERLOAD 52 // file/server name/both used to hold options\r
- OP_DHCP_MESSAGE_TYPE_IX, // OP_DHCP_MESSAGE_TYPE 53 // message type\r
- OP_DHCP_SERVER_IP_IX, // OP_DHCP_SERVER_IP 54 // IP of server\r
- OP_DHCP_PARM_REQ_LIST_IX, // OP_DHCP_PARM_REQ_LIST 55 // list of requested parameters\r
- OP_DHCP_ERROR_MESSAGE_IX, // OP_DHCP_ERROR_MESSAGE 56 // in DHCPNAK or DECLINE messages\r
- OP_DHCP_MAX_MESSAGE_SZ_IX, // OP_DHCP_MAX_MESSAGE_SZ 57 // maximum DHCP message size client will accept\r
- OP_DHCP_RENEWAL_TIME_IX, // OP_DHCP_RENEWAL_TIME 58 // time in seconds before transitioning to RENEWING state\r
- OP_DHCP_REBINDING_TIME_IX, // OP_DHCP_REBINDING_TIME 59 // time in seconds before transitioning to REBINDING state\r
- OP_DHCP_CLASS_IDENTIFIER_IX, // OP_DHCP_CLASS_IDENTIFIER 60\r
- OP_DHCP_CLIENT_IDENTIFIER_IX, // OP_DHCP_CLIENT_IDENTIFIER 61\r
- OP_RESERVED62_IX, // OP_RESERVED62\r
- OP_RESERVED63_IX, // OP_RESERVED63\r
- OP_NISPLUS_DOMAIN_NAME_IX, // OP_NISPLUS_DOMAIN_NAME 64\r
- OP_NISPLUS_SERVERS_IX, // OP_NISPLUS_SERVERS 65\r
- OP_DHCP_TFTP_SERVER_NAME_IX, // OP_DHCP_TFTP_SERVER_NAME 66\r
- OP_DHCP_BOOTFILE_IX // OP_DHCP_BOOTFILE 67\r
-};\r
-\r
-#define RxBuf ((DHCP_RECEIVE_BUFFER *) (Private->ReceiveBuffers))\r
-\r
-#pragma pack()\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-CHAR8 *\r
-PxeBcLibGetSmbiosString (\r
- IN SMBIOS_STRUCTURE_POINTER *Smbios,\r
- IN UINT16 StringNumber\r
- )\r
-/*++\r
-Routine description:\r
- Return SMBIOS string given the string number.\r
-\r
-Arguments:\r
- Smbios - Pointer to SMBIOS structure\r
- StringNumber - String number to return. 0 is used to skip all strings and\r
- point to the next SMBIOS structure.\r
-\r
-Returns:\r
- Pointer to string, or pointer to next SMBIOS strcuture if StringNumber == 0\r
---*/\r
-{\r
- UINT16 Index;\r
- CHAR8 *String;\r
-\r
- //\r
- // Skip over formatted section\r
- //\r
- String = (CHAR8 *) (Smbios->Raw + Smbios->Hdr->Length);\r
-\r
- //\r
- // Look through unformated section\r
- //\r
- for (Index = 1; Index <= StringNumber || StringNumber == 0; Index++) {\r
- if (StringNumber == Index) {\r
- return String;\r
- }\r
- //\r
- // Skip string\r
- //\r
- for (; *String != 0; String++)\r
- ;\r
- String++;\r
-\r
- if (*String == 0) {\r
- //\r
- // If double NULL then we are done.\r
- // Return pointer to next structure in Smbios.\r
- // if you pass in a 0 you will always get here\r
- //\r
- Smbios->Raw = (UINT8 *)++String;\r
- return NULL;\r
- }\r
- }\r
-\r
- return NULL;\r
-}\r
-\r
-EFI_STATUS\r
-PxeBcLibGetSmbiosSystemGuidAndSerialNumber (\r
- IN EFI_GUID *SystemGuid,\r
- OUT CHAR8 **SystemSerialNumber\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- This function gets system guid and serial number from the smbios table\r
-\r
-Arguments:\r
- SystemGuid - The pointer of returned system guid\r
- SystemSerialNumber - The pointer of returned system serial number\r
-\r
-Returns:\r
- EFI_SUCCESS - Successfully get the system guid and system serial number\r
- EFI_NOT_FOUND - Not find the SMBIOS table\r
---*/\r
-{\r
- EFI_STATUS Status;\r
- SMBIOS_STRUCTURE_TABLE *SmbiosTable;\r
- SMBIOS_STRUCTURE_POINTER Smbios;\r
- SMBIOS_STRUCTURE_POINTER SmbiosEnd;\r
- UINT16 Index;\r
-\r
- Status = EfiGetSystemConfigurationTable (&gEfiSmbiosTableGuid, (VOID **) &SmbiosTable);\r
-\r
- if (EFI_ERROR (Status)) {\r
- return EFI_NOT_FOUND;\r
- }\r
-\r
- Smbios.Hdr = (SMBIOS_HEADER *) (UINTN) SmbiosTable->TableAddress;\r
- SmbiosEnd.Raw = (UINT8 *) (UINTN) (SmbiosTable->TableAddress + SmbiosTable->TableLength);\r
-\r
- for (Index = 0; Index < SmbiosTable->TableLength; Index++) {\r
- if (Smbios.Hdr->Type == 1) {\r
- if (Smbios.Hdr->Length < 0x19) {\r
- //\r
- // Older version did not support Guid and Serial number\r
- //\r
- continue;\r
- }\r
- //\r
- // SMBIOS tables are byte packed so we need to do a byte copy to\r
- // prevend alignment faults on Itanium-based platform.\r
- //\r
- CopyMem (SystemGuid, &Smbios.Type1->Uuid, sizeof (EFI_GUID));\r
- *SystemSerialNumber = PxeBcLibGetSmbiosString (&Smbios, Smbios.Type1->SerialNumber);\r
-\r
- return EFI_SUCCESS;\r
- }\r
- //\r
- // Make Smbios point to the next record\r
- //\r
- PxeBcLibGetSmbiosString (&Smbios, 0);\r
-\r
- if (Smbios.Raw >= SmbiosEnd.Raw) {\r
- //\r
- // SMBIOS 2.1 incorrectly stated the length of SmbiosTable as 0x1e.\r
- // given this we must double check against the lenght of\r
- // the structure.\r
- //\r
- return EFI_SUCCESS;\r
- }\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// add router list to list\r
-//\r
-STATIC\r
-VOID\r
-Ip4AddRouterList (\r
- PXE_BASECODE_DEVICE *Private,\r
- DHCPV4_OP_IP_LIST *IpListPtr\r
- )\r
-{\r
- EFI_IP_ADDRESS TmpIp;\r
- INTN Index;\r
- INTN num;\r
-\r
- if (IpListPtr == NULL) {\r
- return ;\r
- }\r
-\r
- for (Index = 0, num = IpListPtr->Header.Length >> 2; Index < num; ++Index) {\r
- CopyMem (&TmpIp, &IpListPtr->IpList[Index], 4);\r
- Ip4AddRouter (Private, &TmpIp);\r
- }\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// send ARP for our IP - fail if someone has it\r
-//\r
-STATIC\r
-BOOLEAN\r
-SetStationIP (\r
- PXE_BASECODE_DEVICE *Private\r
- )\r
-{\r
- EFI_MAC_ADDRESS DestMac;\r
- EFI_STATUS EfiStatus;\r
-\r
- ZeroMem (&DestMac, sizeof DestMac);\r
-\r
- if (GetHwAddr(Private, (EFI_IP_ADDRESS *)&DHCP_REQ_OPTIONS.OpReqIP.Ip, (EFI_MAC_ADDRESS *)&DestMac)\r
- || DoArp(Private, (EFI_IP_ADDRESS *)&DHCP_REQ_OPTIONS.OpReqIP.Ip, (EFI_MAC_ADDRESS *)&DestMac) == EFI_SUCCESS) {\r
- return FALSE; // somebody else has this IP\r
- }\r
-\r
- CopyMem (\r
- (EFI_IPv4_ADDRESS *) &Private->EfiBc.Mode->StationIp,\r
- &DHCP_REQ_OPTIONS.OpReqIP.Ip,\r
- sizeof (EFI_IPv4_ADDRESS)\r
- );\r
-\r
- Private->GoodStationIp = TRUE;\r
-\r
- if (!Private->UseIgmpv1Reporting) {\r
- return TRUE;\r
- }\r
-\r
- if (Private->Igmpv1TimeoutEvent != NULL) {\r
- return TRUE;\r
- }\r
-\r
- EfiStatus = gBS->CreateEvent (\r
- EVT_TIMER,\r
- TPL_CALLBACK,\r
- NULL,\r
- NULL,\r
- &Private->Igmpv1TimeoutEvent\r
- );\r
-\r
- if (EFI_ERROR (EfiStatus)) {\r
- Private->Igmpv1TimeoutEvent = NULL;\r
- return TRUE;\r
- }\r
-\r
- EfiStatus = gBS->SetTimer (\r
- Private->Igmpv1TimeoutEvent,\r
- TimerRelative,\r
- (UINT64) V1ROUTER_PRESENT_TIMEOUT * 10000000\r
- ); /* 400 seconds */\r
-\r
- if (EFI_ERROR (EfiStatus)) {\r
- gBS->CloseEvent (Private->Igmpv1TimeoutEvent);\r
- Private->Igmpv1TimeoutEvent = NULL;\r
- }\r
-\r
- return TRUE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-VOID\r
-AddRouters (\r
- PXE_BASECODE_DEVICE *Private,\r
- DHCP_RECEIVE_BUFFER *RxBufPtr\r
- )\r
-{\r
- Ip4AddRouterList (\r
- Private,\r
- (DHCPV4_OP_IP_LIST *) RxBufPtr->OpAdds.PktOptAdds[OP_ROUTER_LIST_IX - 1]\r
- );\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-EFI_STATUS\r
-DoUdpWrite (\r
- PXE_BASECODE_DEVICE *Private,\r
- EFI_IP_ADDRESS *ServerIpPtr,\r
- EFI_PXE_BASE_CODE_UDP_PORT *ServerPortPtr,\r
- EFI_IP_ADDRESS *ClientIpPtr,\r
- EFI_PXE_BASE_CODE_UDP_PORT *ClientPortPtr\r
- )\r
-{\r
- UINTN Len;\r
-\r
- Len = sizeof DHCPV4_TRANSMIT_BUFFER;\r
-\r
- return UdpWrite (\r
- Private,\r
- EFI_PXE_BASE_CODE_UDP_OPFLAGS_MAY_FRAGMENT,\r
- ServerIpPtr,\r
- ServerPortPtr,\r
- 0,\r
- ClientIpPtr,\r
- ClientPortPtr,\r
- 0,\r
- 0,\r
- &Len,\r
- Private->TransmitBuffer\r
- );\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// initialize the DHCP structure\r
-//\r
-typedef struct {\r
- UINT8 x[4];\r
-} C4Str;\r
-\r
-STATIC\r
-VOID\r
-InitDhcpv4TxBuf (\r
- PXE_BASECODE_DEVICE *Private\r
- )\r
-{\r
- UINTN HwAddrLen;\r
- UINT8 *String;\r
- CHAR8 *SystemSerialNumber;\r
- EFI_PXE_BASE_CODE_MODE *PxebcMode;\r
-\r
- PxebcMode = Private->EfiBc.Mode;\r
-\r
- ZeroMem (&DHCPV4_TRANSMIT_BUFFER, sizeof (DHCPV4_STRUCT));\r
- DHCPV4_TRANSMIT_BUFFER.op = BOOTP_REQUEST;\r
- DHCPV4_TRANSMIT_BUFFER.htype = Private->SimpleNetwork->Mode->IfType;\r
- DHCPV4_TRANSMIT_BUFFER.flags = HTONS (DHCP_BROADCAST_FLAG);\r
- CopyMem (&DHCPV4_OPTIONS_BUFFER, (VOID *) &DHCPOpStart, sizeof (DHCPOpStart));\r
-\r
- //\r
- // default to hardware address\r
- //\r
- HwAddrLen = Private->SimpleNetwork->Mode->HwAddressSize;\r
-\r
- if (HwAddrLen > sizeof DHCPV4_TRANSMIT_BUFFER.chaddr) {\r
- HwAddrLen = sizeof DHCPV4_TRANSMIT_BUFFER.chaddr;\r
- }\r
-\r
- String = (UINT8 *) &Private->SimpleNetwork->Mode->CurrentAddress;\r
-\r
- if (PxeBcLibGetSmbiosSystemGuidAndSerialNumber (\r
- (EFI_GUID *) DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid,\r
- &SystemSerialNumber\r
- ) == EFI_SUCCESS) {\r
- if (PxebcMode->SendGUID) {\r
- HwAddrLen = sizeof (EFI_GUID);\r
- String = (UINT8 *) DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid;\r
- }\r
- } else {\r
- //\r
- // GUID not yet set - send all 0xff's to show programable (via SetVariable)\r
- // SetMem(DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid, sizeof(EFI_GUID), 0xff);\r
- // GUID not yet set - send all 0's to show not programable\r
- //\r
- ZeroMem (DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid, sizeof (EFI_GUID));\r
- }\r
-\r
- DHCPV4_TRANSMIT_BUFFER.hlen = (UINT8) HwAddrLen;\r
- CopyMem (DHCPV4_TRANSMIT_BUFFER.chaddr, String, HwAddrLen);\r
-\r
- CvtNum (\r
- SYS_ARCH,\r
- (UINT8 *) DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.ArchitectureType,\r
- sizeof DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.ArchitectureType\r
- );\r
-\r
- DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.Type = Private->NiiPtr->Type;\r
- DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.MajorVersion = Private->NiiPtr->MajorVer;\r
- DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.MinorVersion = Private->NiiPtr->MinorVer;\r
-\r
- *(C4Str *) DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.InterfaceName = *(C4Str *) Private->NiiPtr->StringId;\r
-\r
- CvtNum (\r
- DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.MajorVersion,\r
- (UINT8 *) DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.UndiMajor,\r
- sizeof DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.UndiMajor\r
- );\r
-\r
- CvtNum (\r
- DHCPV4_OPTIONS_BUFFER.DhcpNetworkInterface.MinorVersion,\r
- (UINT8 *) DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.UndiMinor,\r
- sizeof DHCPV4_OPTIONS_BUFFER.DhcpClassIdentifier.Data.UndiMinor\r
- );\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-UINT32\r
-DecodePxeOptions (\r
- DHCP_RECEIVE_BUFFER *RxBufPtr,\r
- UINT8 *ptr,\r
- INTN Len\r
- )\r
-{\r
- UINT8 Op;\r
- UINT8 *EndPtr;\r
- INTN Index;\r
- UNION_PTR LocalPtr;\r
- UINT32 status;\r
-\r
- status = 0;\r
-\r
- for (EndPtr = ptr + Len; ptr < EndPtr; ptr += Len + 2) {\r
- Op = ptr[0];\r
- Len = ptr[1];\r
-\r
- switch (Op) {\r
- case OP_PAD:\r
- Len = -1;\r
- break;\r
-\r
- case OP_END:\r
- return status;\r
-\r
- default:\r
- LocalPtr.BytePtr = ptr;\r
- if (Op <= MAX_OUR_PXE_OPT) {\r
- Index = ourPXEopts[Op - 1];\r
- if (Index) {\r
- RxBufPtr->OpAdds.PxeOptAdds[Index - 1] = LocalPtr.OpPtr;\r
- status |= 1 << Index;\r
- if (Index == VEND_PXE_BOOT_ITEM && LocalPtr.BootItem->Header.Length == 3) {\r
- RxBufPtr->OpAdds.Status |= USE_THREE_BYTE;\r
- }\r
- }\r
- }\r
- break;\r
- }\r
- }\r
-\r
- return status;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-VOID\r
-DecodeOptions (\r
- DHCP_RECEIVE_BUFFER *RxBufPtr,\r
- UINT8 *ptr,\r
- INTN Len\r
- )\r
-{\r
- UINT8 Op;\r
- UINT8 *EndPtr;\r
- INTN Index;\r
- UNION_PTR LocalPtr;\r
-\r
- for (EndPtr = ptr + Len; ptr < EndPtr; ptr += Len + 2) {\r
- Op = ptr[0];\r
- Len = ptr[1];\r
-\r
- switch (Op) {\r
- case OP_PAD:\r
- Len = -1;\r
- break;\r
-\r
- case OP_END:\r
- return ;\r
-\r
- default:\r
- LocalPtr.BytePtr = ptr;\r
- if (Op <= MAX_OUR_OPT) {\r
- Index = OurDhcpOptions[Op - 1];\r
- if (Index) {\r
- RxBufPtr->OpAdds.PktOptAdds[Index - 1] = LocalPtr.OpPtr;\r
- if (Index == OP_VENDOR_SPECIFIC_IX) {\r
- UINT32 status;\r
- status = DecodePxeOptions (\r
- RxBufPtr,\r
- (UINT8 *) LocalPtr.VendorOptions->VendorOptions,\r
- LocalPtr.VendorOptions->Header.Length\r
- );\r
- if (status) {\r
- RxBufPtr->OpAdds.Status |= PXE_TYPE;\r
- //\r
- // check for all the MTFTP info options present - any missing is a nogo\r
- //\r
- if ((status & WfM11a_OPTS) == WfM11a_OPTS) {\r
- RxBufPtr->OpAdds.Status |= WfM11a_TYPE;\r
- }\r
-\r
- if (status & DISCOVER_OPTS) {\r
- RxBufPtr->OpAdds.Status |= DISCOVER_TYPE;\r
- }\r
-\r
- if (status & CREDENTIALS_OPT) {\r
- RxBufPtr->OpAdds.Status |= CREDENTIALS_TYPE;\r
- }\r
- }\r
- }\r
- }\r
- }\r
- break;\r
- }\r
- }\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-VOID\r
-Parse (\r
- DHCP_RECEIVE_BUFFER *RxBufPtr,\r
- INTN Len\r
- )\r
-{\r
- UNION_PTR LocalPtr;\r
-\r
- //\r
- // initialize\r
- //\r
- SetMem (&RxBufPtr->OpAdds, sizeof RxBufPtr->OpAdds, 0);\r
-\r
- DecodeOptions (\r
- RxBufPtr,\r
- RxBufPtr->u.Dhcpv4.options + 4,\r
- Len - (sizeof RxBufPtr->u.Dhcpv4 - sizeof RxBufPtr->u.Dhcpv4.options + 4)\r
- );\r
-\r
- LocalPtr.OpPtr = RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_OPTION_OVERLOAD_IX - 1];\r
-\r
- if ((LocalPtr.OpPtr) && (LocalPtr.Overload->Overload & OVLD_SRVR_NAME)) {\r
- DecodeOptions (RxBufPtr, RxBufPtr->u.Dhcpv4.sname, sizeof RxBufPtr->u.Dhcpv4.sname);\r
- }\r
-\r
- if (LocalPtr.OpPtr && (LocalPtr.Overload->Overload & OVLD_FILE)) {\r
- DecodeOptions (RxBufPtr, RxBufPtr->u.Dhcpv4.file, sizeof RxBufPtr->u.Dhcpv4.file);\r
- } else if (!RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1] && RxBufPtr->u.Dhcpv4.file[0]) {\r
- RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1] = (DHCPV4_OP_STRUCT *) (RxBufPtr->u.Dhcpv4.file - sizeof (DHCPV4_OP_HEADER));\r
-\r
- RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]->Header.Length = (UINT8) AsciiStrLen ((CHAR8 *)RxBufPtr->u.Dhcpv4.file);\r
- }\r
-\r
- LocalPtr.OpPtr = RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_CLASS_IDENTIFIER_IX - 1];\r
-\r
- if ((LocalPtr.OpPtr) &&\r
- LocalPtr.PxeClassStr->Header.Length >= 9 &&\r
- !CompareMem (LocalPtr.PxeClassStr->Class, "PXEClient", 9)\r
- ) {\r
- RxBufPtr->OpAdds.Status |= PXE_TYPE;\r
- }\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-VOID\r
-CopyParseRxBuf (\r
- PXE_BASECODE_DEVICE *Private,\r
- INTN RxBufIndex,\r
- INTN PacketIndex\r
- )\r
-{\r
- DHCP_RECEIVE_BUFFER *RxBufPtr;\r
-\r
- RxBufPtr = &((DHCP_RECEIVE_BUFFER *) Private->DhcpPacketBuffer)[PacketIndex];\r
-\r
- CopyMem (\r
- &RxBufPtr->u.Dhcpv4,\r
- &RxBuf[RxBufIndex].u.Dhcpv4,\r
- sizeof (RxBuf[RxBufIndex].u.Dhcpv4)\r
- );\r
-\r
- Parse (RxBufPtr, sizeof RxBufPtr->u.ReceiveBuffer);\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-VOID\r
-CopyProxyRxBuf (\r
- PXE_BASECODE_DEVICE *Private,\r
- INTN RxBufIndex\r
- )\r
-{\r
- Private->EfiBc.Mode->ProxyOfferReceived = TRUE;\r
- CopyParseRxBuf (Private, RxBufIndex, PXE_OFFER_INDEX);\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-VOID\r
-CopyParse (\r
- PXE_BASECODE_DEVICE *Private,\r
- EFI_PXE_BASE_CODE_PACKET *PacketPtr,\r
- EFI_PXE_BASE_CODE_PACKET *NewPacketPtr,\r
- INTN Index\r
- )\r
-{\r
- DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r
-\r
- DhcpRxBuf = &((DHCP_RECEIVE_BUFFER *) Private->DhcpPacketBuffer)[Index];\r
-\r
- CopyMem (\r
- (EFI_PXE_BASE_CODE_PACKET *) &DhcpRxBuf->u.Dhcpv4,\r
- NewPacketPtr,\r
- sizeof (*NewPacketPtr)\r
- );\r
-\r
- CopyMem (&*PacketPtr, &*NewPacketPtr, sizeof (*NewPacketPtr));\r
-\r
- Parse (DhcpRxBuf, sizeof DhcpRxBuf->u.ReceiveBuffer);\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-BOOLEAN\r
-AckEdit (\r
- DHCP_RECEIVE_BUFFER *DhcpRxBuf\r
- )\r
-{\r
- UNION_PTR LocalPtr;\r
-\r
- LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_MESSAGE_TYPE_IX - 1];\r
-\r
- //\r
- // check that an ACK\r
- // if a DHCP type, must be DHCPOFFER and must have server id\r
- //\r
- return (BOOLEAN)\r
- (\r
- (LocalPtr.OpPtr) &&\r
- (LocalPtr.MessageType->Type == DHCPACK) &&\r
- DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1]\r
- );\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// if a discover type packet, make sure all required fields are present\r
-//\r
-STATIC\r
-BOOLEAN\r
-DHCPOfferAckEdit (\r
- DHCP_RECEIVE_BUFFER *DhcpRxBuf\r
- )\r
-{\r
- PXE_OP_SERVER_LIST *BootServerOpPtr;\r
- UNION_PTR LocalPtr;\r
-\r
- if ((DhcpRxBuf->OpAdds.Status & DISCOVER_TYPE) == 0) {\r
- return TRUE;\r
- }\r
-\r
- LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_CONTROL_IX - 1];\r
-\r
- if (LocalPtr.OpPtr == NULL) {\r
- LocalPtr.OpPtr = (DHCPV4_OP_STRUCT *) &DefaultDisCtl;\r
- DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_CONTROL_IX - 1] = (DHCPV4_OP_STRUCT *) &DefaultDisCtl;\r
- }\r
- //\r
- // make sure all required fields are here\r
- // if mucticast enabled, need multicast address\r
- //\r
- if (!(LocalPtr.DiscoveryControl->ControlBits & DISABLE_MCAST) &&\r
- (!DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_MCAST_ADDR_IX - 1] || !IS_MULTICAST (((DHCPV4_OP_STRUCT *) DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_MCAST_ADDR_IX - 1])->Data))\r
- ) {\r
- return FALSE;\r
- //\r
- // missing required field\r
- //\r
- }\r
- //\r
- // if a list, it better be good\r
- //\r
- BootServerOpPtr = (PXE_OP_SERVER_LIST *) DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_SERVERS_IX - 1];\r
-\r
- if (BootServerOpPtr != NULL) {\r
- PXE_SERVER_LIST *BootServerListPtr;\r
- INTN ServerListLen;\r
- INTN ServerEntryLen;\r
-\r
- BootServerListPtr = BootServerOpPtr->ServerList;\r
- ServerListLen = BootServerOpPtr->Header.Length;\r
-\r
- do {\r
- EFI_IPv4_ADDRESS *IpListPtr;\r
- INTN IpCnt;\r
-\r
- IpCnt = BootServerListPtr->u.Ipv4List.IpCount;\r
-\r
- ServerEntryLen = sizeof (PXEV4_SERVER_LIST) + 2 + (IpCnt - 1) * sizeof (EFI_IPv4_ADDRESS);\r
-\r
- if (ServerListLen < ServerEntryLen) {\r
- //\r
- // missing required field\r
- //\r
- return FALSE;\r
- }\r
-\r
- IpListPtr = BootServerListPtr->u.Ipv4List.IpList;\r
-\r
- while (IpCnt--) {\r
- if (IS_MULTICAST (IpListPtr)) {\r
- //\r
- // missing required field\r
- //\r
- return FALSE;\r
- } else {\r
- ++IpListPtr;\r
- }\r
- }\r
-\r
- BootServerListPtr = (PXE_SERVER_LIST *) IpListPtr;\r
- } while (ServerListLen -= ServerEntryLen);\r
- }\r
- //\r
- // else there must be a list if use list enabled or multicast and\r
- // broadcast disabled\r
- //\r
- else if ((LocalPtr.DiscoveryControl->ControlBits & USE_ACCEPT_LIST) ||\r
- ((LocalPtr.DiscoveryControl->ControlBits & (DISABLE_MCAST | DISABLE_BCAST)) == (DISABLE_MCAST | DISABLE_BCAST))\r
- ) {\r
- //\r
- // missing required field\r
- //\r
- return FALSE;\r
- }\r
- //\r
- // if not USE_BOOTFILE or no bootfile given, must have menu stuff\r
- //\r
- if (!(LocalPtr.DiscoveryControl->ControlBits & USE_BOOTFILE) ||\r
- !DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]\r
- ) {\r
- INTN MenuLth;\r
-\r
- LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_MENU_IX - 1];\r
-\r
- if (LocalPtr.OpPtr == NULL || !DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_PROMPT_IX - 1]) {\r
- //\r
- // missing required field\r
- //\r
- return FALSE;\r
- }\r
- //\r
- // make sure menu valid\r
- //\r
- MenuLth = LocalPtr.BootMenu->Header.Length;\r
- LocalPtr.BootMenuItem = LocalPtr.BootMenu->MenuItem;\r
-\r
- do {\r
- INTN MenuItemLen;\r
-\r
- MenuItemLen = LocalPtr.BootMenuItem->DataLen;\r
-\r
- if (MenuItemLen == 0) {\r
- //\r
- // missing required field\r
- //\r
- return FALSE;\r
- }\r
-\r
- MenuItemLen += sizeof (*LocalPtr.BootMenuItem) - sizeof (LocalPtr.BootMenuItem->Data);\r
-\r
- MenuLth -= MenuItemLen;\r
- LocalPtr.BytePtr += MenuItemLen;\r
- } while (MenuLth > 0);\r
-\r
- if (MenuLth != 0) {\r
- //\r
- // missing required field\r
- //\r
- return FALSE;\r
- }\r
- }\r
-\r
- if (!DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1]) {\r
- DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1] = (DHCPV4_OP_STRUCT *) &DefaultBootItem;\r
- }\r
-\r
- return TRUE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-BOOLEAN\r
-DHCPAckEdit (\r
- DHCP_RECEIVE_BUFFER *RxBufPtr\r
- )\r
-{\r
- return (BOOLEAN) (DHCPOfferAckEdit (RxBufPtr) ? AckEdit (RxBufPtr) : FALSE);\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// get an offer/ack\r
-//\r
-STATIC\r
-EFI_STATUS\r
-GetOfferAck (\r
- PXE_BASECODE_DEVICE *Private,\r
- BOOLEAN (*ExtraEdit)(DHCP_RECEIVE_BUFFER *DhcpRxBuf),\r
- UINT16 OpFlags, // for Udp read\r
- EFI_IP_ADDRESS *ServerIpPtr,\r
- EFI_PXE_BASE_CODE_UDP_PORT *ServerPortPtr,\r
- EFI_IP_ADDRESS *ClientIpPtr,\r
- EFI_PXE_BASE_CODE_UDP_PORT *ClientPortPtr,\r
- DHCP_RECEIVE_BUFFER *DhcpRxBuf,\r
- EFI_EVENT TimeoutEvent\r
- )\r
-/*++\r
-Routine description:\r
- Wait for an OFFER/ACK packet.\r
-\r
-Parameters:\r
- Private := Pointer to PxeBc interface\r
- ExtraEdit := Pointer to extra option checking function\r
- OpFlags := UdpRead() option flags\r
- ServerIpPtr :=\r
- ServerPortPtr :=\r
- ClientIpPtr :=\r
- ClientPortPtr :=\r
- DhcpRxBuf :=\r
- TimeoutEvent :=\r
-\r
-Returns:\r
---*/\r
-{\r
- EFI_IP_ADDRESS ServerIp;\r
- EFI_STATUS StatCode;\r
- INTN RxBufLen;\r
-\r
- for (;;) {\r
- //\r
- // Wait until we get a UDP packet.\r
- //\r
- ZeroMem (&ServerIp, sizeof (EFI_IP_ADDRESS));\r
- RxBufLen = sizeof RxBuf[0].u.ReceiveBuffer;\r
-\r
- if ((StatCode = UdpRead (\r
- Private,\r
- OpFlags,\r
- ClientIpPtr,\r
- ClientPortPtr,\r
- ServerIpPtr,\r
- ServerPortPtr,\r
- 0,\r
- 0,\r
- (UINTN *) &RxBufLen,\r
- &DhcpRxBuf->u.Dhcpv4,\r
- TimeoutEvent\r
- )) != EFI_SUCCESS) {\r
- if (StatCode == EFI_TIMEOUT) {\r
- StatCode = EFI_NO_RESPONSE;\r
- }\r
-\r
- break;\r
- }\r
- //\r
- // got a packet - see if a good offer\r
- //\r
- if (DhcpRxBuf->u.Dhcpv4.op != BOOTP_REPLY) {\r
- continue;\r
- }\r
-\r
- if (DhcpRxBuf->u.Dhcpv4.xid != DHCPV4_TRANSMIT_BUFFER.xid) {\r
- continue;\r
- }\r
-\r
- if (*(UINT32 *) DHCPV4_TRANSMIT_BUFFER.options != * (UINT32 *) DhcpRxBuf->u.Dhcpv4.options) {\r
- continue;\r
- }\r
-\r
- if (*(UINT8 *) &DhcpRxBuf->u.Dhcpv4.yiaddr > 223) {\r
- continue;\r
- }\r
-\r
- if (CompareMem (\r
- DhcpRxBuf->u.Dhcpv4.chaddr,\r
- DHCPV4_TRANSMIT_BUFFER.chaddr,\r
- sizeof DhcpRxBuf->u.Dhcpv4.chaddr\r
- )) {\r
- //\r
- // no good\r
- //\r
- continue;\r
- }\r
-\r
- Parse (DhcpRxBuf, RxBufLen);\r
-\r
- if (!(*ExtraEdit) (DhcpRxBuf)) {\r
- continue;\r
- }\r
- //\r
- // Good DHCP packet.\r
- //\r
- StatCode = EFI_SUCCESS;\r
- break;\r
- }\r
-\r
- return StatCode;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// get DHCPOFFER's\r
-//\r
-STATIC\r
-EFI_STATUS\r
-GetOffers (\r
- PXE_BASECODE_DEVICE *Private\r
- )\r
-{\r
- EFI_IP_ADDRESS ClientIp;\r
- EFI_IP_ADDRESS ServerIp;\r
- EFI_STATUS StatCode;\r
- EFI_EVENT TimeoutEvent;\r
- INTN NumOffers;\r
- INTN Index;\r
-\r
- //\r
- //\r
- //\r
- ZeroMem (&ServerIp, sizeof (EFI_IP_ADDRESS));\r
- NumOffers = 0;\r
-\r
- for (Index = 0; Index < (sizeof Private->ServerCount) / sizeof Private->ServerCount[0]; ++Index) {\r
- Private->ServerCount[Index] = 0;\r
- Private->GotProxy[Index] = 0;\r
- }\r
-\r
- Private->GotBootp = 0;\r
- //\r
- // these we throw away\r
- //\r
- Private->GotProxy[DHCP_ONLY_IX] = 1;\r
- StatCode = gBS->CreateEvent (\r
- EVT_TIMER,\r
- TPL_CALLBACK,\r
- NULL,\r
- NULL,\r
- &TimeoutEvent\r
- );\r
-\r
- if (EFI_ERROR (StatCode)) {\r
- return StatCode;\r
- }\r
-\r
- StatCode = gBS->SetTimer (\r
- TimeoutEvent,\r
- TimerRelative,\r
- Private->Timeout * 10000000 + 1000000\r
- );\r
-\r
- if (EFI_ERROR (StatCode)) {\r
- gBS->CloseEvent (TimeoutEvent);\r
- return StatCode;\r
- }\r
- //\r
- // get offers\r
- //\r
- for (;;) {\r
- DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r
- UNION_PTR LocalPtr;\r
-\r
- DhcpRxBuf = &RxBuf[NumOffers];\r
-\r
- if ((\r
- StatCode = GetOfferAck (\r
- Private,\r
- DHCPOfferAckEdit,\r
- EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP |\r
- EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_IP |\r
- EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r
- &ServerIp,\r
- &DhcpServerPort,\r
- &ClientIp,\r
- &DHCPClientPort,\r
- DhcpRxBuf,\r
- TimeoutEvent\r
- )\r
-) != EFI_SUCCESS\r
- ) {\r
- break;\r
- }\r
-\r
- LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_MESSAGE_TYPE_IX - 1];\r
-\r
- //\r
- // check type of offer\r
- //\r
- if (LocalPtr.OpPtr == NULL) {\r
- //\r
- // bootp - we only need one and make sure has bootfile\r
- //\r
- if (Private->GotBootp || !DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]) {\r
- continue;\r
- }\r
-\r
- Private->GotBootp = (UINT8) (NumOffers + 1);\r
- }\r
- //\r
- // if a DHCP type, must be DHCPOFFER and must have server id\r
- //\r
- else if (LocalPtr.MessageType->Type != DHCPOFFER || !DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1]) {\r
- continue;\r
- } else {\r
- INTN TypeIx;\r
-\r
- //\r
- // get type - PXE10, WfM11a, or BINL\r
- //\r
- if (DhcpRxBuf->OpAdds.Status & DISCOVER_TYPE) {\r
- TypeIx = PXE10_IX;\r
- } else if (DhcpRxBuf->OpAdds.Status & WfM11a_TYPE) {\r
- //\r
- // WfM - make sure it has a bootfile\r
- //\r
- if (!DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]) {\r
- continue;\r
- }\r
-\r
- TypeIx = WfM11a_IX;\r
- } else {\r
- TypeIx = (DhcpRxBuf->OpAdds.Status & PXE_TYPE) ? BINL_IX : DHCP_ONLY_IX;\r
- }\r
- //\r
- // check DHCP or proxy\r
- //\r
- if (DhcpRxBuf->u.Dhcpv4.yiaddr == 0) {\r
- //\r
- // proxy - only need one of each type if not BINL\r
- // and must have at least PXE_TYPE\r
- //\r
- if (TypeIx == BINL_IX) {\r
- Private->BinlProxies[Private->GotProxy[BINL_IX]++] = (UINT8) NumOffers;\r
- } else if (Private->GotProxy[TypeIx]) {\r
- continue;\r
- } else {\r
- Private->GotProxy[TypeIx] = (UINT8) (NumOffers + 1);\r
- }\r
- } else {\r
- Private->OfferCount[TypeIx][Private->ServerCount[TypeIx]++] = (UINT8) NumOffers;\r
- }\r
- }\r
-\r
- if (++NumOffers == MAX_OFFERS) {\r
- break;\r
- }\r
- }\r
-\r
- gBS->CloseEvent (TimeoutEvent);\r
- Private->NumOffersReceived = NumOffers;\r
-\r
- return (Private->NumOffersReceived) ? EFI_SUCCESS : EFI_NO_RESPONSE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// send DHCPDECLINE\r
-//\r
-STATIC\r
-VOID\r
-DeclineOffer (\r
- PXE_BASECODE_DEVICE *Private\r
- )\r
-{\r
- EFI_PXE_BASE_CODE_MODE *PxebcMode;\r
- UINT16 SaveSecs;\r
-\r
- PxebcMode = Private->EfiBc.Mode;\r
- SaveSecs = DHCPV4_TRANSMIT_BUFFER.secs;\r
-\r
- DHCPV4_TRANSMIT_BUFFER.secs = 0;\r
- DHCPV4_TRANSMIT_BUFFER.flags = 0;\r
- SetMem (\r
- DHCPV4_TRANSMIT_BUFFER.options + sizeof (struct opdeclinestr),\r
- sizeof (DHCPOpStart) - sizeof (struct opdeclinestr),\r
- OP_PAD\r
- );\r
- DHCPDECLINEoptions.DhcpMessageType.Type = DHCPDECLINE;\r
- CopyMem (&DHCPDECLINEoptions.OpDeclineEnd, &DHCP_REQ_OPTIONS, sizeof (struct requestopendstr));\r
- // DHCPDECLINEoptions.OpDeclineEnd = DHCP_REQ_OPTIONS;\r
-\r
- {\r
- EFI_IP_ADDRESS TmpIp;\r
-\r
- CopyMem (&TmpIp, &DHCP_REQ_OPTIONS.DhcServerIpPtr.Ip, sizeof TmpIp);\r
-\r
- DoUdpWrite (\r
- Private,\r
- &TmpIp,\r
- &DhcpServerPort,\r
- &PxebcMode->StationIp,\r
- &DHCPClientPort\r
- );\r
- }\r
-\r
- InitDhcpv4TxBuf (Private);\r
- DHCPV4_TRANSMIT_BUFFER.secs = SaveSecs;\r
- Private->GoodStationIp = FALSE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// send DHCPRELEASE\r
-//\r
-STATIC\r
-BOOLEAN\r
-Release (\r
- PXE_BASECODE_DEVICE *Private\r
- )\r
-{\r
- EFI_PXE_BASE_CODE_MODE *PxebcMode;\r
- UINT16 SaveSecs;\r
- DHCPV4_OP_SERVER_IP *Point;\r
-\r
- PxebcMode = Private->EfiBc.Mode;\r
- SaveSecs = DHCPV4_TRANSMIT_BUFFER.secs;\r
- DHCPV4_TRANSMIT_BUFFER.secs = 0;\r
-\r
- SetMem (\r
- DHCPV4_TRANSMIT_BUFFER.options + sizeof (struct opreleasestr),\r
- sizeof (DHCPOpStart) - sizeof (struct opreleasestr),\r
- OP_PAD\r
- );\r
-\r
- DHCPRELEASEoptions.DhcpMessageType.Type = DHCPRELEASE;\r
- Point = (DHCPV4_OP_SERVER_IP *) DHCPV4_ACK_BUFFER.OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1];\r
- CopyMem (\r
- &DHCPRELEASEoptions.DhcServerIpPtr,\r
- &Point,\r
- sizeof DHCPRELEASEoptions.DhcServerIpPtr\r
- );\r
-\r
- DHCPRELEASEoptions.End[0] = OP_END;\r
-\r
- {\r
- EFI_IP_ADDRESS TmpIp;\r
-\r
- CopyMem (&TmpIp, &DHCPRELEASEoptions.DhcServerIpPtr.Ip, sizeof TmpIp);\r
-\r
- DoUdpWrite (\r
- Private,\r
- &TmpIp,\r
- &DhcpServerPort,\r
- &PxebcMode->StationIp,\r
- &DHCPClientPort\r
- );\r
- }\r
-\r
- InitDhcpv4TxBuf (Private);\r
-\r
- DHCPV4_TRANSMIT_BUFFER.secs = SaveSecs;\r
- Private->GoodStationIp = FALSE;\r
- return FALSE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-BOOLEAN\r
-GetBINLAck (\r
- PXE_BASECODE_DEVICE *Private,\r
- EFI_IP_ADDRESS *ServerIpPtr\r
- )\r
-{\r
- DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r
- EFI_STATUS StatCode;\r
- EFI_EVENT TimeoutEvent;\r
-\r
- //\r
- //\r
- //\r
- StatCode = gBS->CreateEvent (\r
- EVT_TIMER,\r
- TPL_CALLBACK,\r
- NULL,\r
- NULL,\r
- &TimeoutEvent\r
- );\r
-\r
- if (EFI_ERROR (StatCode)) {\r
- return FALSE;\r
- }\r
-\r
- StatCode = gBS->SetTimer (\r
- TimeoutEvent,\r
- TimerRelative,\r
- Private->Timeout * 10000000 + 1000000\r
- );\r
-\r
- if (EFI_ERROR (StatCode)) {\r
- gBS->CloseEvent (TimeoutEvent);\r
- return FALSE;\r
- }\r
- //\r
- //\r
- //\r
- DhcpRxBuf = &PXE_BINL_BUFFER;\r
-\r
- for (;;) {\r
- EFI_PXE_BASE_CODE_UDP_PORT BINLSrvPort;\r
-\r
- BINLSrvPort = 0;\r
-\r
- if (GetOfferAck (\r
- Private,\r
- AckEdit,\r
- EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r
- ServerIpPtr,\r
- &BINLSrvPort,\r
- &Private->EfiBc.Mode->StationIp,\r
- &PSEUDO_DHCP_CLIENT_PORT,\r
- DhcpRxBuf,\r
- TimeoutEvent\r
- ) != EFI_SUCCESS) {\r
- break;\r
- }\r
- //\r
- // make sure from whom we wanted\r
- //\r
- if (!DhcpRxBuf->u.Dhcpv4.yiaddr && !CompareMem (\r
- &ServerIpPtr->v4,\r
- &((DHCPV4_OP_SERVER_IP *) DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,\r
- sizeof (ServerIpPtr->v4)\r
- )) {\r
- gBS->CloseEvent (TimeoutEvent);\r
- //\r
- // got an ACK from server\r
- //\r
- return TRUE;\r
- }\r
- }\r
-\r
- gBS->CloseEvent (TimeoutEvent);\r
- return FALSE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// make sure we can get BINL\r
-// send DHCPREQUEST to PXE server\r
-//\r
-STATIC\r
-BOOLEAN\r
-TryBINL (\r
- PXE_BASECODE_DEVICE *Private,\r
- INTN OfferIx\r
- )\r
-{\r
- DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r
- EFI_IP_ADDRESS ServerIp;\r
- UINT16 SaveSecs;\r
- INTN Index;\r
-\r
- DhcpRxBuf = &RxBuf[OfferIx];\r
-\r
- //\r
- // use next server address first.\r
- //\r
- ServerIp.Addr[0] = DhcpRxBuf->u.Dhcpv4.siaddr;\r
- if (ServerIp.Addr[0] == 0) {\r
- //\r
- // next server address is NULL, use option 54.\r
- //\r
- CopyMem (\r
- ((EFI_IPv4_ADDRESS *) &ServerIp),\r
- &((DHCPV4_OP_SERVER_IP *) DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,\r
- sizeof (EFI_IPv4_ADDRESS)\r
- );\r
- }\r
-\r
- //\r
- // client IP address - filled in by client if it knows it\r
- //\r
- CopyMem (\r
- ((EFI_IPv4_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr),\r
- &DHCP_REQ_OPTIONS.OpReqIP.Ip,\r
- sizeof (EFI_IPv4_ADDRESS)\r
- );\r
-\r
- SetMem (&DHCP_REQ_OPTIONS, sizeof DHCP_REQ_OPTIONS, OP_PAD);\r
- DHCPV4_TRANSMIT_BUFFER.flags = 0;\r
- DHCPV4_OPTIONS_BUFFER.End[0] = OP_END;\r
- AddRouters (Private, DhcpRxBuf);\r
- SaveSecs = DHCPV4_TRANSMIT_BUFFER.secs;\r
-\r
- for (Index = 0; Index < 3; Private->TotalSeconds = (UINT16) (Private->TotalSeconds + Private->Timeout), ++Index) {\r
- DHCPV4_TRANSMIT_BUFFER.secs = HTONS (Private->TotalSeconds);\r
-\r
- //\r
- // unicast DHCPREQUEST to PXE server\r
- //\r
- if (DoUdpWrite (\r
- Private,\r
- &ServerIp,\r
- &PseudoDhcpServerPort,\r
- (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r
- &PSEUDO_DHCP_CLIENT_PORT\r
- ) != EFI_SUCCESS) {\r
- break;\r
- }\r
-\r
- if (!GetBINLAck (Private, &ServerIp)) {\r
- continue;\r
- }\r
- //\r
- // early exit failures\r
- // make sure a good ACK\r
- //\r
- if (!DHCPOfferAckEdit (&PXE_BINL_BUFFER) || (\r
- !(PXE_BINL_BUFFER.OpAdds.Status & DISCOVER_TYPE) && !PXE_BINL_BUFFER.OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]\r
- )\r
- ) {\r
- break;\r
- }\r
-\r
- Private->EfiBc.Mode->ProxyOfferReceived = TRUE;\r
- return TRUE;\r
- }\r
- //\r
- // failed - reset seconds field, etc.\r
- //\r
- Private->EfiBc.Mode->RouteTableEntries = 0;\r
- //\r
- // reset\r
- //\r
- DHCPV4_TRANSMIT_BUFFER.secs = SaveSecs;\r
- return FALSE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-BOOLEAN\r
-TryFinishBINL (\r
- PXE_BASECODE_DEVICE *Private,\r
- INTN OfferIx\r
- )\r
-{\r
- if (TryBINL (Private, OfferIx)) {\r
- return TRUE;\r
- }\r
-\r
- return Release (Private);\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-BOOLEAN\r
-TryFinishProxyBINL (\r
- PXE_BASECODE_DEVICE *Private\r
- )\r
-{\r
- INTN Index;\r
-\r
- for (Index = 0; Index < Private->GotProxy[BINL_IX]; ++Index) {\r
- if (TryBINL (Private, Private->BinlProxies[Index])) {\r
- return TRUE;\r
- }\r
- }\r
-\r
- return Release (Private);\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// try to finish DORA - send DHCP request, wait for ACK, check with ARP\r
-//\r
-STATIC\r
-BOOLEAN\r
-TryFinishDORA (\r
- PXE_BASECODE_DEVICE *Private,\r
- INTN OfferIx\r
- )\r
-{\r
- DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r
- EFI_IP_ADDRESS ClientIp;\r
- EFI_IP_ADDRESS ServerIp;\r
- EFI_STATUS StatCode;\r
- UNION_PTR LocalPtr;\r
- EFI_EVENT TimeoutEvent;\r
-\r
- //\r
- // send DHCP request\r
- // if fail return false\r
- //\r
- DhcpRxBuf = &DHCPV4_ACK_BUFFER;\r
- DHCPV4_OPTIONS_BUFFER.DhcpMessageType.Type = DHCPREQUEST;\r
- CopyMem (&DHCP_REQ_OPTIONS, &RequestOpEndStr, sizeof (RequestOpEndStr));\r
-// DHCP_REQ_OPTIONS = RequestOpEndStr;\r
- DHCP_REQ_OPTIONS.OpReqIP.Ip = *(EFI_IPv4_ADDRESS *) &RxBuf[OfferIx].u.Dhcpv4.yiaddr;\r
-\r
- CopyMem (\r
- &DHCP_REQ_OPTIONS.DhcServerIpPtr.Ip,\r
- &((DHCPV4_OP_SERVER_IP *) RxBuf[OfferIx].OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,\r
- sizeof DHCP_REQ_OPTIONS.DhcServerIpPtr.Ip\r
- );\r
-\r
- CopyMem (\r
- Private->EfiBc.Mode->SubnetMask.Addr,\r
- &DefaultSubnetMask,\r
- 4\r
- );\r
-\r
- //\r
- // broadcast DHCPREQUEST\r
- //\r
- if (DoUdpWrite (\r
- Private,\r
- &BroadcastIP,\r
- &DhcpServerPort,\r
- (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r
- &DHCPClientPort\r
- ) != EFI_SUCCESS) {\r
- return FALSE;\r
- }\r
- //\r
- //\r
- //\r
- StatCode = gBS->CreateEvent (\r
- EVT_TIMER,\r
- TPL_CALLBACK,\r
- NULL,\r
- NULL,\r
- &TimeoutEvent\r
- );\r
-\r
- if (EFI_ERROR (StatCode)) {\r
- return FALSE;\r
- }\r
-\r
- StatCode = gBS->SetTimer (\r
- TimeoutEvent,\r
- TimerPeriodic,\r
- Private->Timeout * 10000000 + 1000000\r
- );\r
-\r
- if (EFI_ERROR (StatCode)) {\r
- gBS->CloseEvent (TimeoutEvent);\r
- return FALSE;\r
- }\r
- //\r
- // wait for ACK\r
- //\r
- for (;;) {\r
- if (GetOfferAck (\r
- Private,\r
- DHCPAckEdit,\r
- EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP,\r
- &ServerIp,\r
- &DhcpServerPort,\r
- &ClientIp,\r
- &DHCPClientPort,\r
- DhcpRxBuf,\r
- TimeoutEvent\r
- ) != EFI_SUCCESS) {\r
- break;\r
- }\r
- //\r
- // check type of response - need DHCPACK\r
- //\r
- if (CompareMem (\r
- &DHCP_REQ_OPTIONS.OpReqIP.Ip,\r
- &DhcpRxBuf->u.Dhcpv4.yiaddr,\r
- sizeof (EFI_IPv4_ADDRESS)\r
- ) || CompareMem (\r
- &DHCP_REQ_OPTIONS.DhcServerIpPtr.Ip,\r
- &((DHCPV4_OP_SERVER_IP *) DhcpRxBuf->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1])->Ip,\r
- sizeof (EFI_IPv4_ADDRESS)\r
- )) {\r
- continue;\r
- }\r
- //\r
- // got ACK\r
- // check with ARP that IP unused - good return true\r
- //\r
- if (!SetStationIP (Private)) {\r
- //\r
- // fail - send DHCPDECLINE and return false\r
- //\r
- DeclineOffer (Private);\r
- break;\r
- }\r
-\r
- LocalPtr.OpPtr = DHCPV4_ACK_BUFFER.OpAdds.PktOptAdds[OP_SUBNET_MASK_IX - 1];\r
-\r
- if (LocalPtr.OpPtr != NULL) {\r
- CopyMem (\r
- (EFI_IPv4_ADDRESS *) &Private->EfiBc.Mode->SubnetMask,\r
- &LocalPtr.SubnetMaskStr->Ip,\r
- sizeof (EFI_IPv4_ADDRESS)\r
- );\r
- }\r
-\r
- AddRouters (Private, DhcpRxBuf);\r
- gBS->CloseEvent (TimeoutEvent);\r
- return TRUE;\r
- }\r
-\r
- gBS->CloseEvent (TimeoutEvent);\r
- return FALSE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// try a DHCP server of appropriate type\r
-//\r
-STATIC\r
-BOOLEAN\r
-TryDHCPFinishDORA (\r
- PXE_BASECODE_DEVICE *Private,\r
- INTN TypeIx\r
- )\r
-{\r
- INTN Index;\r
-\r
- //\r
- // go through the DHCP servers of the requested type\r
- //\r
- for (Index = 0; Index < Private->ServerCount[TypeIx]; ++Index) {\r
- if (TryFinishDORA (Private, Index = Private->OfferCount[TypeIx][Index])) {\r
- if (TypeIx == BINL_IX && !TryFinishBINL (Private, Index)) {\r
- continue;\r
- }\r
-\r
- return TRUE;\r
- }\r
- }\r
-\r
- return FALSE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// try a DHCP only server and a proxy of appropriate type\r
-//\r
-STATIC\r
-BOOLEAN\r
-TryProxyFinishDORA (\r
- PXE_BASECODE_DEVICE *Private,\r
- INTN TypeIx\r
- )\r
-{\r
- INTN Index;\r
-\r
- if (!Private->GotProxy[TypeIx]) {\r
- //\r
- // no proxies of the type wanted\r
- //\r
- return FALSE;\r
- }\r
- //\r
- // go through the DHCP only servers\r
- //\r
- for (Index = 0; Index < Private->ServerCount[DHCP_ONLY_IX]; ++Index) {\r
- if (TryFinishDORA (Private, Private->OfferCount[DHCP_ONLY_IX][Index])) {\r
- if (TypeIx != BINL_IX) {\r
- CopyProxyRxBuf (Private, Private->GotProxy[TypeIx] - 1);\r
- } else if (!TryFinishProxyBINL (Private)) {\r
- //\r
- // if didn't work with this DHCP, won't work with any\r
- //\r
- return FALSE;\r
- }\r
-\r
- return TRUE;\r
- }\r
- }\r
-\r
- return FALSE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// getting to the bottom of the barrel\r
-//\r
-STATIC\r
-BOOLEAN\r
-TryAnyWithBootfileFinishDORA (\r
- PXE_BASECODE_DEVICE *Private\r
- )\r
-{\r
- //\r
- // try a DHCP only server who has a bootfile\r
- //\r
- UNION_PTR LocalPtr;\r
- INTN Index;\r
-\r
- for (Index = 0; Index < Private->ServerCount[DHCP_ONLY_IX]; ++Index) {\r
- INTN offer;\r
-\r
- offer = Private->OfferCount[DHCP_ONLY_IX][Index];\r
-\r
- if (RxBuf[offer].OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1] && TryFinishDORA (Private, offer)) {\r
- return TRUE;\r
- }\r
- }\r
- //\r
- // really at bottom - see if be have any bootps\r
- //\r
- if (!Private->GotBootp) {\r
- return FALSE;\r
- }\r
-\r
- DHCP_REQ_OPTIONS.OpReqIP.Ip = *(EFI_IPv4_ADDRESS *) &RxBuf[Private->GotBootp - 1].u.Dhcpv4.yiaddr;\r
-\r
- if (!SetStationIP (Private)) {\r
- return FALSE;\r
- }\r
- //\r
- // treat BOOTP response as DHCP ACK packet\r
- //\r
- CopyParseRxBuf (Private, Private->GotBootp - 1, DHCPV4_ACK_INDEX);\r
-\r
- LocalPtr.OpPtr = RxBuf[Private->GotBootp - 1].OpAdds.PktOptAdds[OP_SUBNET_MASK_IX - 1];\r
-\r
- if (LocalPtr.OpPtr != NULL) {\r
- *(EFI_IPv4_ADDRESS *) &Private->EfiBc.Mode->SubnetMask = LocalPtr.SubnetMaskStr->Ip;\r
- }\r
-\r
- return TRUE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-/* DoDhcpDora()\r
- */\r
-STATIC\r
-EFI_STATUS\r
-DoDhcpDora (\r
- PXE_BASECODE_DEVICE *Private,\r
- BOOLEAN SortOffers\r
- )\r
-{\r
- EFI_PXE_BASE_CODE_IP_FILTER Filter;\r
- EFI_STATUS StatCode;\r
- INTN NumOffers;\r
-\r
- Filter.Filters = EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP | EFI_PXE_BASE_CODE_IP_FILTER_BROADCAST;\r
-\r
- Filter.IpCnt = 0;\r
- Filter.reserved = 0;\r
-\r
- //\r
- // set filter unicast or broadcast\r
- //\r
- if ((StatCode = IpFilter (Private, &Filter)) != EFI_SUCCESS) {\r
- return StatCode;\r
- }\r
- //\r
- // seed random number with hardware address\r
- //\r
- SeedRandom (Private, *(UINT16 *) &Private->SimpleNetwork->Mode->CurrentAddress);\r
-\r
- for (Private->Timeout = 1;\r
- Private->Timeout < 17;\r
- Private->TotalSeconds = (UINT16) (Private->TotalSeconds + Private->Timeout), Private->Timeout <<= 1\r
- ) {\r
- INTN Index;\r
-\r
- InitDhcpv4TxBuf (Private);\r
- DHCPV4_TRANSMIT_BUFFER.xid = Random (Private);\r
- DHCPV4_TRANSMIT_BUFFER.secs = HTONS (Private->TotalSeconds);\r
-\r
- //\r
- // broadcast DHCPDISCOVER\r
- //\r
- StatCode = DoUdpWrite (\r
- Private,\r
- &BroadcastIP,\r
- &DhcpServerPort,\r
- (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r
- &DHCPClientPort\r
- );\r
-\r
- if (StatCode != EFI_SUCCESS) {\r
- return StatCode;\r
- }\r
-\r
- CopyMem (\r
- &Private->EfiBc.Mode->DhcpDiscover,\r
- (EFI_PXE_BASE_CODE_PACKET *) &DHCPV4_TRANSMIT_BUFFER,\r
- sizeof (EFI_PXE_BASE_CODE_PACKET)\r
- );\r
-\r
- //\r
- // get DHCPOFFER's\r
- //\r
- if ((StatCode = GetOffers (Private)) != EFI_SUCCESS) {\r
- if (StatCode != EFI_NO_RESPONSE) {\r
- return StatCode;\r
- }\r
-\r
- continue;\r
- }\r
- //\r
- // select offer and reply DHCPREQUEST\r
- //\r
- if (SortOffers) {\r
- if (TryDHCPFinishDORA(Private, PXE10_IX) || // try DHCP with PXE10\r
- TryDHCPFinishDORA(Private, WfM11a_IX) || // no - try with WfM\r
- TryProxyFinishDORA(Private, PXE10_IX) || // no - try DHCP only and proxy with PXE10\r
- TryProxyFinishDORA(Private, WfM11a_IX) || // no - try DHCP only and proxy with WfM\r
- TryDHCPFinishDORA(Private, BINL_IX) || // no - try with WfM\r
- TryProxyFinishDORA(Private, BINL_IX) || // no - try DHCP only and proxy with PXE10\r
- TryAnyWithBootfileFinishDORA(Private))\r
- {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- continue;\r
- }\r
- //\r
- // FIFO order\r
- //\r
- NumOffers = Private->NumOffersReceived;\r
-\r
- for (Index = 0; Index < NumOffers; ++Index) {\r
- //\r
- // ignore proxies\r
- //\r
- if (!RxBuf[Index].u.Dhcpv4.yiaddr) {\r
- continue;\r
- }\r
- //\r
- // check if a bootp server\r
- //\r
- if (!RxBuf[Index].OpAdds.PktOptAdds[OP_DHCP_MESSAGE_TYPE_IX - 1]) {\r
- //\r
- // it is - just check ARP\r
- //\r
- if (!SetStationIP (Private)) {\r
- continue;\r
- }\r
- }\r
- //\r
- // else check if a DHCP only server\r
- //\r
- else if (!(RxBuf[Index].OpAdds.Status & (DISCOVER_TYPE | WfM11a_TYPE | PXE_TYPE))) {\r
- //\r
- // it is a normal DHCP offer (without any PXE options), just finish the D.O.R.A by sending DHCP request.\r
- //\r
- if (!TryFinishDORA (Private, Index)) {\r
- continue;\r
- }\r
- } else if (TryFinishDORA (Private, Index)) {\r
- if (!(RxBuf[Index].OpAdds.Status & (DISCOVER_TYPE | WfM11a_TYPE)) && !TryFinishBINL (Private, Index)) {\r
- continue;\r
- }\r
- }\r
-\r
- DEBUG ((EFI_D_WARN, "\nDoDhcpDora() Got packets. "));\r
- return EFI_SUCCESS;\r
- }\r
- //\r
- // now look for DHCP onlys and a Proxy\r
- //\r
- for (Index = 0; Index < NumOffers; ++Index) {\r
- UINT8 Index2;\r
-\r
- //\r
- // ignore proxies, bootps, non DHCP onlys, and bootable DHCPS\r
- //\r
- if (!RxBuf[Index].u.Dhcpv4.yiaddr ||\r
- !RxBuf[Index].OpAdds.PktOptAdds[OP_DHCP_MESSAGE_TYPE_IX - 1] ||\r
- RxBuf[Index].OpAdds.Status & (DISCOVER_TYPE | WfM11a_TYPE | PXE_TYPE) ||\r
- RxBuf[Index].OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1]\r
- ) {\r
- continue;\r
- }\r
- //\r
- // found non bootable DHCP only - try to find a proxy\r
- //\r
- for (Index2 = 0; Index2 < NumOffers; ++Index2) {\r
- if (!RxBuf[Index2].u.Dhcpv4.yiaddr) {\r
- if (!TryFinishDORA (Private, Index)) {\r
- //\r
- // DHCP no ACK\r
- //\r
- break;\r
- }\r
-\r
- if (RxBuf[Index2].OpAdds.Status & (DISCOVER_TYPE | WfM11a_TYPE)) {\r
- CopyProxyRxBuf (Private, Index2);\r
- } else if (!TryFinishBINL (Private, Index2)) {\r
- continue;\r
- }\r
-\r
- DEBUG ((EFI_D_WARN, "\nDoDhcpDora() Got packets. "));\r
- return EFI_SUCCESS;\r
- }\r
- }\r
- }\r
- }\r
-\r
- return EFI_NO_RESPONSE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-//\r
-// determine if the server ip is in the ip list\r
-//\r
-STATIC\r
-BOOLEAN\r
-InServerList (\r
- EFI_IP_ADDRESS *ServerIpPtr,\r
- PXE_SERVER_LISTS *ServerListPtr\r
- )\r
-{\r
- UINTN Index;\r
-\r
- if (!ServerListPtr || !ServerListPtr->Ipv4List.IpCount) {\r
- return TRUE;\r
- }\r
-\r
- for (Index = 0; Index < ServerListPtr->Ipv4List.IpCount; ++Index) {\r
- if (!CompareMem (\r
- ServerIpPtr,\r
- &ServerListPtr->Ipv4List.IpList[Index],\r
- sizeof (EFI_IPv4_ADDRESS)\r
- )) {\r
- return TRUE;\r
- }\r
- }\r
-\r
- return FALSE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-BOOLEAN\r
-ExtractBootServerList (\r
- UINT16 Type,\r
- DHCPV4_OP_STRUCT *ptr,\r
- PXE_SERVER_LISTS **ServerListPtr\r
- )\r
-{\r
- UNION_PTR LocalPtr;\r
- INTN ServerListLen;\r
-\r
- LocalPtr.OpPtr = ptr;\r
- ServerListLen = LocalPtr.BootServersStr->Header.Length;\r
-\r
- //\r
- // find type\r
- //\r
- LocalPtr.BootServerList = LocalPtr.BootServersStr->ServerList;\r
-\r
- while (ServerListLen) {\r
- INTN ServerEntryLen;\r
-\r
- ServerEntryLen = sizeof (PXEV4_SERVER_LIST) + 2 + (LocalPtr.BootServerList->u.Ipv4List.IpCount - 1) *\r
- sizeof (EFI_IPv4_ADDRESS);\r
-\r
- if (NTOHS (LocalPtr.BootServerList->Type) == Type) {\r
- *ServerListPtr = &LocalPtr.BootServerList->u;\r
- return TRUE;\r
- }\r
-\r
- (LocalPtr.BytePtr) += ServerEntryLen;\r
- ServerListLen -= ServerEntryLen;\r
- }\r
-\r
- return FALSE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-VOID\r
-FreeMem (\r
- PXE_BASECODE_DEVICE *Private\r
- )\r
-{\r
- if (Private->TransmitBuffer != NULL) {\r
- FreePool (Private->TransmitBuffer);\r
- Private->TransmitBuffer = NULL;\r
- }\r
-\r
- if (Private->ReceiveBuffers != NULL) {\r
- FreePool (Private->ReceiveBuffers);\r
- Private->ReceiveBuffers = NULL;\r
- }\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-BOOLEAN\r
-GetMem (\r
- PXE_BASECODE_DEVICE *Private\r
- )\r
-{\r
-\r
- if (Private->DhcpPacketBuffer == NULL) {\r
- Private->DhcpPacketBuffer = AllocatePool (sizeof (DHCP_RECEIVE_BUFFER) * (PXE_BIS_INDEX + 1));\r
- if (Private->DhcpPacketBuffer == NULL) {\r
- FreeMem (Private);\r
- return FALSE;\r
- }\r
- }\r
-\r
- Private->TransmitBuffer = AllocatePool (sizeof (EFI_PXE_BASE_CODE_PACKET));\r
- if (Private->TransmitBuffer == NULL) {\r
- FreePool (Private->DhcpPacketBuffer);\r
- Private->DhcpPacketBuffer = NULL;\r
- FreeMem (Private);\r
- return FALSE;\r
- }\r
-\r
- Private->ReceiveBuffers = AllocatePool (sizeof (DHCP_RECEIVE_BUFFER) * (MAX_OFFERS));\r
- if (Private->ReceiveBuffers == NULL) {\r
- FreePool (Private->TransmitBuffer);\r
- FreePool (Private->DhcpPacketBuffer);\r
- Private->DhcpPacketBuffer = NULL;\r
- Private->TransmitBuffer = NULL;\r
- FreeMem (Private);\r
- return FALSE;\r
- }\r
-\r
- return TRUE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-EFI_STATUS\r
-EFIAPI\r
-BcDhcp (\r
- IN EFI_PXE_BASE_CODE_PROTOCOL *This,\r
- IN BOOLEAN SortOffers\r
- )\r
-/*++\r
-Routine description:\r
- standard DHCP Discover/Offer/Request/Ack session\r
- broadcast DHCPDISCOVER\r
- receive DHCPOFFER's\r
- broadcast DHCPREQUEST\r
- receive DHCPACK\r
- check (ARP) good IP\r
-\r
-Parameters:\r
- This := Pointer to PxeBc interface\r
- SortOffers :=\r
-\r
-Returns:\r
---*/\r
-{\r
- EFI_PXE_BASE_CODE_IP_FILTER Filter;\r
- EFI_PXE_BASE_CODE_MODE *PxebcMode;\r
- PXE_BASECODE_DEVICE *Private;\r
- EFI_STATUS StatCode;\r
-\r
- //\r
- // Lock the instance data and make sure started\r
- //\r
- StatCode = EFI_SUCCESS;\r
-\r
- if (This == NULL) {\r
- DEBUG ((EFI_D_ERROR, "BC *This pointer == NULL"));\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r
-\r
- if (Private == NULL) {\r
- DEBUG ((EFI_D_ERROR, "PXE_BASECODE_DEVICE pointer == NULL"));\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- EfiAcquireLock (&Private->Lock);\r
-\r
- if (This->Mode == NULL || !This->Mode->Started) {\r
- DEBUG ((EFI_D_ERROR, "BC was not started."));\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_NOT_STARTED;\r
- }\r
-\r
- Filter.Filters = EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP;\r
- Filter.IpCnt = 0;\r
- Filter.reserved = 0;\r
-\r
- DEBUG ((EFI_D_INFO, "\nBcDhcp() Enter. "));\r
-\r
- PxebcMode = Private->EfiBc.Mode;\r
-\r
- if (!GetMem (Private)) {\r
- DEBUG ((EFI_D_ERROR, "\nBcDhcp() GetMem() failed.\n"));\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- PxebcMode->DhcpDiscoverValid = FALSE;\r
- PxebcMode->DhcpAckReceived = FALSE;\r
- PxebcMode->ProxyOfferReceived = FALSE;\r
-\r
- Private->Function = EFI_PXE_BASE_CODE_FUNCTION_DHCP;\r
-\r
- //\r
- // Issue BC command\r
- //\r
- if (Private->TotalSeconds == 0) {\r
- //\r
- // put in seconds field of DHCP send packets\r
- //\r
- Private->TotalSeconds = 4;\r
- }\r
-\r
- if ((StatCode = DoDhcpDora (Private, SortOffers)) == EFI_SUCCESS) {\r
- //\r
- // success - copy packets\r
- //\r
- PxebcMode->DhcpDiscoverValid = PxebcMode->DhcpAckReceived = TRUE;\r
-\r
- CopyMem (\r
- &PxebcMode->DhcpAck,\r
- (EFI_PXE_BASE_CODE_PACKET *) &DHCPV4_ACK_PACKET,\r
- sizeof (EFI_PXE_BASE_CODE_PACKET)\r
- );\r
-\r
- if (PxebcMode->ProxyOfferReceived) {\r
- CopyMem (\r
- &PxebcMode->ProxyOffer,\r
- (EFI_PXE_BASE_CODE_PACKET *) &PXE_OFFER_PACKET,\r
- sizeof (EFI_PXE_BASE_CODE_PACKET)\r
- );\r
- }\r
- }\r
- //\r
- // set filter back to unicast\r
- //\r
- IpFilter (Private, &Filter);\r
-\r
- FreeMem (Private);\r
-\r
- //\r
- // Unlock the instance data\r
- //\r
- DEBUG ((EFI_D_WARN, "\nBcDhcp() Exit = %xh ", StatCode));\r
-\r
- EfiReleaseLock (&Private->Lock);\r
- return StatCode;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-BOOLEAN\r
-VerifyCredentialOption (\r
- UINT8 *tx,\r
- UINT8 *rx\r
- )\r
-{\r
- UINTN n;\r
-\r
- //\r
- // Fail verification if either pointer is NULL.\r
- //\r
- if (tx == NULL || rx == NULL) {\r
- return FALSE;\r
- }\r
- //\r
- // Fail verification if tx[0] is not a credential type option\r
- // or if the length is zero or not a multiple of four.\r
- //\r
- if (tx[0] != VEND_PXE_CREDENTIAL_TYPES || tx[1] == 0 || tx[1] % 4 != 0) {\r
- return FALSE;\r
- }\r
- //\r
- // Fail verification if rx[0] is not a credential type option\r
- // or if the length is not equal to four.\r
- //\r
- if (rx[0] != VEND_PXE_CREDENTIAL_TYPES || rx[1] != 4) {\r
- return FALSE;\r
- }\r
- //\r
- // Look through transmitted credential types for a copy\r
- // of the received credential type.\r
- //\r
- for (n = 0; n < tx[1]; n += 4) {\r
- if (!CompareMem (&tx[n + 2], &rx[2], 4)) {\r
- return TRUE;\r
- }\r
- }\r
-\r
- return FALSE;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-EFI_STATUS\r
-DoDiscover (\r
- PXE_BASECODE_DEVICE *Private,\r
- UINT16 OpFlags,\r
- IN UINT16 Type,\r
- IN UINT16 *LayerPtr,\r
- IN BOOLEAN UseBis,\r
- EFI_IP_ADDRESS *DestPtr,\r
- PXE_SERVER_LISTS *ServerListPtr\r
- )\r
-/*++\r
-Routine description:\r
- This function tries to complete the PXE Bootserver and/or boot image\r
- discovery sequence. When this command completes successfully, the\r
- PXEdiscover and PXEreply fields in the BC instance data structure are\r
- updated. If the Info pointer is set to NULL, the discovery information\r
- in the DHCPack and ProxyOffer packets must be valid and will be used.\r
- If Info is not set to NULL, the discovery methods in the Info field\r
- must be set and will be used. When discovering any layer number other\r
- than zero (the credential flag does not count), only unicast discovery\r
- is used.\r
-\r
-Parameters:\r
- Private := Pointer to PxeBc interface\r
- OpFlags :=\r
- Type :=\r
- LayerPtr :=\r
- UseBis :=\r
- DestPtr :=\r
- ServerListPtr :=\r
-\r
-Returns:\r
---*/\r
-{\r
- EFI_PXE_BASE_CODE_UDP_PORT ClientPort;\r
- EFI_PXE_BASE_CODE_UDP_PORT ServerPort;\r
- EFI_PXE_BASE_CODE_MODE *PxebcMode;\r
- EFI_STATUS StatCode;\r
- EFI_EVENT TimeoutEvent;\r
- UINT8 OpLen;\r
-\r
- PxebcMode = Private->EfiBc.Mode;\r
-\r
- if (DestPtr->Addr[0] == 0) {\r
- DEBUG ((EFI_D_WARN, "\nDoDiscover() !DestPtr->Addr[0]"));\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- //\r
- // seed random number with hardware address\r
- //\r
- SeedRandom (Private, *(UINT16 *) &Private->SimpleNetwork->Mode->CurrentAddress);\r
-\r
- if (DestPtr->Addr[0] == BroadcastIP.Addr[0]) {\r
- ClientPort = DHCPClientPort;\r
- ServerPort = DhcpServerPort;\r
- } else {\r
- ClientPort = PSEUDO_DHCP_CLIENT_PORT;\r
- ServerPort = PseudoDhcpServerPort;\r
- }\r
-\r
- if (UseBis) {\r
- *LayerPtr |= PXE_BOOT_LAYER_CREDENTIAL_FLAG;\r
- } else {\r
- *LayerPtr &= PXE_BOOT_LAYER_MASK;\r
- }\r
-\r
- for (Private->Timeout = 1;\r
- Private->Timeout < 5;\r
- Private->TotalSeconds = (UINT16) (Private->TotalSeconds + Private->Timeout), ++Private->Timeout\r
- ) {\r
- InitDhcpv4TxBuf (Private);\r
- //\r
- // initialize DHCP message structure\r
- //\r
- DHCPV4_TRANSMIT_BUFFER.xid = Random (Private);\r
- DHCPV4_TRANSMIT_BUFFER.secs = HTONS (Private->TotalSeconds);\r
- CopyMem (\r
- &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r
- &PxebcMode->StationIp,\r
- sizeof DHCPV4_TRANSMIT_BUFFER.ciaddr\r
- );\r
-\r
- DHCPV4_OPTIONS_BUFFER.DhcpMessageType.Type = DHCPREQUEST;\r
- DISCOVERoptions.Header.OpCode = OP_VENDOR_SPECIFIC;\r
- DISCOVERoptions.BootItem.Header.OpCode = VEND_PXE_BOOT_ITEM;\r
- DISCOVERoptions.BootItem.Header.Length = DHCPV4_OPTION_LENGTH (PXE_OP_BOOT_ITEM);\r
- DISCOVERoptions.BootItem.Type = HTONS (Type);\r
- DISCOVERoptions.BootItem.Layer = HTONS (*LayerPtr);\r
-\r
- if (UseBis) {\r
- EFI_BIS_PROTOCOL *BisPtr;\r
- BIS_APPLICATION_HANDLE BisAppHandle;\r
- EFI_BIS_DATA *BisDataSigInfo;\r
- EFI_BIS_SIGNATURE_INFO *BisSigInfo;\r
- UINTN Index;\r
- UINTN Index2;\r
-\r
- BisPtr = PxebcBisStart (\r
- Private,\r
- &BisAppHandle,\r
- &BisDataSigInfo\r
- );\r
-\r
- if (BisPtr == NULL) {\r
- //\r
- // %%TBD - In order to get here, BIS must have\r
- // been present when PXEBC.Start() was called.\r
- // BIS had to be shutdown/removed/damaged\r
- // before PXEBC.Discover() was called.\r
- // Do we need to document a specific error\r
- // for this case?\r
- //\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
- //\r
- // Compute number of credential types.\r
- //\r
- Index2 = BisDataSigInfo->Length / sizeof (EFI_BIS_SIGNATURE_INFO);\r
-\r
- DISCREDoptions.Header.OpCode = VEND_PXE_CREDENTIAL_TYPES;\r
-\r
- DISCREDoptions.Header.Length = (UINT8) (Index2 * sizeof (PXE_CREDENTIAL));\r
-\r
- OpLen = (UINT8) (DHCPV4_OPTION_LENGTH (PXE_DISCOVER_OPTIONS) + sizeof (DHCPV4_OP_HEADER) + DISCREDoptions.Header.Length);\r
-\r
- BisSigInfo = (EFI_BIS_SIGNATURE_INFO *) BisDataSigInfo->Data;\r
-\r
- for (Index = 0; Index < Index2; ++Index) {\r
- UINT32 x;\r
-\r
- CopyMem (&x, &BisSigInfo[Index], sizeof x);\r
- x = HTONL (x);\r
- CopyMem (&DISCREDoptions.Credentials[Index], &x, sizeof x);\r
- }\r
-\r
- PxebcBisStop (BisPtr, BisAppHandle, BisDataSigInfo);\r
- } else {\r
- OpLen = DHCPV4_OPTION_LENGTH (PXE_DISCOVER_OPTIONS);\r
- }\r
-\r
- DISCOVERoptions.Header.Length = OpLen;\r
-\r
- ((UINT8 *) &DISCOVERoptions)[sizeof (DHCPV4_OP_HEADER) + OpLen - 1] = OP_END;\r
- ((UINT8 *) &DISCOVERoptions)[sizeof (DHCPV4_OP_HEADER) + OpLen] = OP_END;\r
-\r
- StatCode = DoUdpWrite (\r
- Private,\r
- DestPtr,\r
- &ServerPort,\r
- (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r
- &ClientPort\r
- );\r
-\r
- if (StatCode != EFI_SUCCESS) {\r
- return StatCode;\r
- }\r
- //\r
- //\r
- //\r
- StatCode = gBS->CreateEvent (\r
- EVT_TIMER,\r
- TPL_CALLBACK,\r
- NULL,\r
- NULL,\r
- &TimeoutEvent\r
- );\r
-\r
- if (EFI_ERROR (StatCode)) {\r
- return StatCode;\r
- }\r
-\r
- StatCode = gBS->SetTimer (\r
- TimeoutEvent,\r
- TimerRelative,\r
- Private->Timeout * 10000000 + 1000000\r
- );\r
-\r
- if (EFI_ERROR (StatCode)) {\r
- gBS->CloseEvent (TimeoutEvent);\r
- return StatCode;\r
- }\r
- //\r
- // wait for ACK\r
- //\r
- for (;;) {\r
- DHCP_RECEIVE_BUFFER *RxBufPtr;\r
- UINT16 TmpType;\r
- UINT16 TmpLayer;\r
-\r
- RxBufPtr = UseBis ? &PXE_BIS_BUFFER : &PXE_ACK_BUFFER;\r
- ZeroMem (&Private->ServerIp, sizeof (EFI_IP_ADDRESS));\r
-\r
- if (GetOfferAck (\r
- Private,\r
- AckEdit,\r
- OpFlags,\r
- (EFI_IP_ADDRESS *) &Private->ServerIp,\r
- 0,\r
- (EFI_IP_ADDRESS *) &DHCPV4_TRANSMIT_BUFFER.ciaddr,\r
- &ClientPort,\r
- RxBufPtr,\r
- TimeoutEvent\r
- ) != EFI_SUCCESS) {\r
- break;\r
- }\r
- //\r
- // check type of response - need PXEClient DHCPACK of proper type with bootfile\r
- //\r
- if (!(RxBufPtr->OpAdds.Status & PXE_TYPE) ||\r
- (UseBis && (RxBufPtr->OpAdds.Status & USE_THREE_BYTE)) ||\r
- !RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_BOOTFILE_IX - 1] ||\r
- !RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX - 1] ||\r
- !InServerList((EFI_IP_ADDRESS *)&((DHCPV4_OP_SERVER_IP *)RxBufPtr->OpAdds.PktOptAdds[OP_DHCP_SERVER_IP_IX-1])->Ip, ServerListPtr)) {\r
-\r
- continue;\r
- }\r
-\r
- TmpType = TmpLayer = 0;\r
-\r
- if (RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1]) {\r
- TmpType = NTOHS (((PXE_OP_BOOT_ITEM *) RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1])->Type);\r
-\r
- if (RxBufPtr->OpAdds.Status & USE_THREE_BYTE) {\r
- TmpLayer = (UINT16) (((PXE_OP_BOOT_ITEM *) RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1])->Layer >> 8);\r
- } else {\r
- TmpLayer = NTOHS (((PXE_OP_BOOT_ITEM *) RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_BOOT_ITEM_IX - 1])->Layer);\r
- }\r
- }\r
-\r
- if (TmpType != Type) {\r
- continue;\r
- }\r
-\r
- if (UseBis) {\r
- if (!RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_CREDENTIAL_TYPES_IX - 1]) {\r
- continue;\r
- }\r
-\r
- if (!VerifyCredentialOption (\r
- (UINT8 *) &DISCREDoptions.Header,\r
- (UINT8 *) RxBufPtr->OpAdds.PxeOptAdds[VEND_PXE_CREDENTIAL_TYPES_IX - 1]\r
- )) {\r
- continue;\r
- }\r
- }\r
-\r
- *LayerPtr = TmpLayer;\r
-\r
- if (UseBis) {\r
- CopyMem (\r
- &PxebcMode->PxeBisReply,\r
- &RxBufPtr->u.Dhcpv4,\r
- sizeof (EFI_PXE_BASE_CODE_PACKET)\r
- );\r
-\r
- PxebcMode->PxeBisReplyReceived = TRUE;\r
-\r
- StatCode = DoDiscover (\r
- Private,\r
- EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r
- Type,\r
- LayerPtr,\r
- FALSE,\r
- &Private->ServerIp,\r
- 0\r
- );\r
-\r
- gBS->CloseEvent (TimeoutEvent);\r
- return StatCode;\r
- }\r
-\r
- PxebcMode->PxeDiscoverValid = PxebcMode->PxeReplyReceived = TRUE;\r
-\r
- CopyMem (\r
- &PxebcMode->PxeDiscover,\r
- &*(EFI_PXE_BASE_CODE_PACKET *) &DHCPV4_TRANSMIT_BUFFER,\r
- sizeof (*(EFI_PXE_BASE_CODE_PACKET *) &DHCPV4_TRANSMIT_BUFFER)\r
- );\r
-\r
- CopyMem (\r
- &PxebcMode->PxeReply,\r
- &*(EFI_PXE_BASE_CODE_PACKET *) &RxBufPtr->u.Dhcpv4,\r
- sizeof (*(EFI_PXE_BASE_CODE_PACKET *) &RxBufPtr->u.Dhcpv4)\r
- );\r
-\r
- AddRouters (Private, RxBufPtr);\r
-\r
- gBS->CloseEvent (TimeoutEvent);\r
- return EFI_SUCCESS;\r
- }\r
-\r
- gBS->CloseEvent (TimeoutEvent);\r
- }\r
- //\r
- // end for loop\r
- //\r
- return EFI_TIMEOUT;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-STATIC\r
-EFI_STATUS\r
-Discover (\r
- PXE_BASECODE_DEVICE *Private,\r
- IN UINT16 Type,\r
- IN UINT16 *LayerPtr,\r
- IN BOOLEAN UseBis,\r
- IN EFI_PXE_BASE_CODE_DISCOVER_INFO *DiscoverInfoPtr,\r
- PXE_SERVER_LISTS *McastServerListPtr,\r
- PXE_SERVER_LISTS *ServerListPtr\r
- )\r
-/*++\r
-Routine Description:\r
-\r
-Parameters:\r
- Private := Pointer to PxeBc interface\r
- Type :=\r
- LayerPtr :=\r
- UseBis :=\r
- DiscoverInfoPtr :=\r
- McastServerListPtr :=\r
- ServerListPtr :=\r
-\r
-Returns:\r
---*/\r
-{\r
- EFI_IP_ADDRESS DestIp;\r
- EFI_STATUS StatCode;\r
-\r
- DEBUG ((EFI_D_INFO, "\nDiscover() Type=%d Layer=%d ", Type, *LayerPtr));\r
-\r
- if (UseBis) {\r
- DEBUG ((EFI_D_INFO, "BIS "));\r
- }\r
- //\r
- // get dest IP addr - mcast, bcast, or unicast\r
- //\r
- if (DiscoverInfoPtr->UseMCast) {\r
- DestIp.v4 = DiscoverInfoPtr->ServerMCastIp.v4;\r
-\r
- DEBUG (\r
- (EFI_D_INFO,\r
- "\nDiscover() MCast %d.%d.%d.%d ",\r
- DestIp.v4.Addr[0],\r
- DestIp.v4.Addr[1],\r
- DestIp.v4.Addr[2],\r
- DestIp.v4.Addr[3])\r
- );\r
-\r
- if ((StatCode = DoDiscover (\r
- Private,\r
- EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r
- Type,\r
- LayerPtr,\r
- UseBis,\r
- &DestIp,\r
- McastServerListPtr\r
- )) != EFI_TIMEOUT) {\r
- DEBUG (\r
- (EFI_D_WARN,\r
- "\nDiscover() status == %r (%Xh)",\r
- StatCode,\r
- StatCode)\r
- );\r
-\r
- return StatCode;\r
- }\r
- }\r
-\r
- if (DiscoverInfoPtr->UseBCast) {\r
- DEBUG ((EFI_D_INFO, "\nDiscver() BCast "));\r
-\r
- if ((StatCode = DoDiscover (\r
- Private,\r
- EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r
- Type,\r
- LayerPtr,\r
- UseBis,\r
- &BroadcastIP,\r
- McastServerListPtr\r
- )) != EFI_TIMEOUT) {\r
-\r
- DEBUG ((EFI_D_WARN, "\nDiscover() status == %r (%Xh)", StatCode, StatCode));\r
-\r
- return StatCode;\r
- }\r
- }\r
-\r
- if (DiscoverInfoPtr->UseUCast) {\r
- UINTN Index;\r
-\r
- DEBUG (\r
- (EFI_D_INFO,\r
- "\nDiscover() UCast IP#=%d ",\r
- ServerListPtr->Ipv4List.IpCount)\r
- );\r
-\r
- for (Index = 0; Index < ServerListPtr->Ipv4List.IpCount; ++Index) {\r
- CopyMem (&DestIp, &ServerListPtr->Ipv4List.IpList[Index], 4);\r
-\r
- DEBUG (\r
- (EFI_D_INFO,\r
- "\nDiscover() UCast %d.%d.%d.%d ",\r
- DestIp.v4.Addr[0],\r
- DestIp.v4.Addr[1],\r
- DestIp.v4.Addr[2],\r
- DestIp.v4.Addr[3])\r
- );\r
-\r
- if ((StatCode = DoDiscover (\r
- Private,\r
- EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP | EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT,\r
- Type,\r
- LayerPtr,\r
- UseBis,\r
- &DestIp,\r
- 0\r
- )) != EFI_TIMEOUT) {\r
- DEBUG (\r
- (EFI_D_WARN,\r
- "\nDiscover() status == %r (%Xh)",\r
- StatCode,\r
- StatCode)\r
- );\r
-\r
- return StatCode;\r
- }\r
- }\r
- }\r
-\r
- DEBUG ((EFI_D_WARN, "\nDiscover() TIMEOUT"));\r
-\r
- return EFI_TIMEOUT;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-\r
-/* BcDiscover()\r
- */\r
-EFI_STATUS\r
-EFIAPI\r
-BcDiscover (\r
- IN EFI_PXE_BASE_CODE_PROTOCOL * This,\r
- IN UINT16 Type,\r
- IN UINT16 *LayerPtr,\r
- IN BOOLEAN UseBis,\r
- IN EFI_PXE_BASE_CODE_DISCOVER_INFO * DiscoverInfoPtr OPTIONAL\r
- )\r
-/*++\r
-Routine description:\r
-\r
-Parameters:\r
- This :=\r
- Type :=\r
- LayerPtr :=\r
- UseBis :=\r
- DiscoverInfoPtr :=\r
-\r
-Returns:\r
---*/\r
-{\r
- EFI_PXE_BASE_CODE_DISCOVER_INFO DefaultInfo;\r
- EFI_PXE_BASE_CODE_MODE *PxebcMode;\r
- DHCP_RECEIVE_BUFFER *DhcpRxBuf;\r
- PXE_SERVER_LISTS DefaultSrvList;\r
- PXE_SERVER_LISTS *ServerListPtr;\r
- PXE_SERVER_LISTS *McastServerListPtr;\r
- UNION_PTR LocalPtr;\r
- UINTN Index;\r
- UINTN Index2;\r
- BOOLEAN AcquiredSrvList;\r
- EFI_STATUS StatCode;\r
- PXE_BASECODE_DEVICE *Private;\r
-\r
- //\r
- // Lock the instance data and make sure started\r
- //\r
- StatCode = EFI_SUCCESS;\r
-\r
- if (This == NULL) {\r
- DEBUG ((EFI_D_ERROR, "BC *This pointer == NULL"));\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r
-\r
- if (Private == NULL) {\r
- DEBUG ((EFI_D_ERROR, "PXE_BASECODE_DEVICE poiner == NULL"));\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- EfiAcquireLock (&Private->Lock);\r
-\r
- if (This->Mode == NULL || !This->Mode->Started) {\r
- DEBUG ((EFI_D_ERROR, "BC was not started."));\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_NOT_STARTED;\r
- }\r
-\r
- ServerListPtr = NULL;\r
- McastServerListPtr = NULL;\r
- AcquiredSrvList = FALSE;\r
-\r
- PxebcMode = Private->EfiBc.Mode;\r
-\r
- if (!GetMem (Private)) {\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- if (UseBis) {\r
- if (!PxebcMode->BisSupported) {\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- }\r
-\r
- Private->Function = EFI_PXE_BASE_CODE_FUNCTION_DISCOVER;\r
-\r
- if (Private->TotalSeconds == 0) {\r
- //\r
- // put in seconds field of DHCP send packets\r
- //\r
- Private->TotalSeconds = 4;\r
- }\r
-\r
- ZeroMem (&DefaultInfo, sizeof (EFI_PXE_BASE_CODE_DISCOVER_INFO));\r
-\r
- //\r
- // if layer number not zero, use previous discover\r
- //\r
- if (*LayerPtr != 0) {\r
- DEBUG ((EFI_D_WARN, "\nBcDiscover() layer != 0"));\r
-\r
- if (DiscoverInfoPtr != NULL) {\r
- DEBUG ((EFI_D_WARN, "\nBcDiscover() layer != 0 && DiscoverInfoPtr != NULL\n"));\r
-\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- if (!PxebcMode->PxeDiscoverValid) {\r
- DEBUG ((EFI_D_WARN, "\nBcDiscover() layer != 0 && PxeDiscoverValid == 0\n"));\r
-\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- if (!PxebcMode->PxeReplyReceived) {\r
- DEBUG ((EFI_D_WARN, "\nBcDiscover() layer != 0 && PxeReplyReceived == 0\n"));\r
-\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- if (UseBis && !PxebcMode->PxeBisReplyReceived) {\r
- DEBUG ((EFI_D_WARN, "\nBcDiscover() layer != 0 && PxeBisReplyReceived == 0\n"));\r
-\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- DefaultInfo.UseUCast = TRUE;\r
- DiscoverInfoPtr = &DefaultInfo;\r
-\r
- DefaultSrvList.Ipv4List.IpCount = 1;\r
- CopyMem (&DefaultSrvList.Ipv4List.IpList[0], &Private->ServerIp, 4);\r
-\r
- ServerListPtr = &DefaultSrvList;\r
- }\r
- //\r
- // layer is zero - see if info is supplied or if we need to use info from a cached offer\r
- //\r
- else if (!DiscoverInfoPtr) {\r
- //\r
- // not supplied - generate it\r
- // make sure that there is cached, appropriate information\r
- // if neither DhcpAck packet nor ProxyOffer packet has pxe info, fail\r
- //\r
- DhcpRxBuf = (PxebcMode->ProxyOfferReceived) ? &PXE_OFFER_BUFFER : &DHCPV4_ACK_BUFFER;\r
-\r
- if (!PxebcMode->DhcpAckReceived || !(DhcpRxBuf->OpAdds.Status & DISCOVER_TYPE)) {\r
- DEBUG ((EFI_D_WARN, "\nBcDiscover() !ack && !proxy"));\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- DiscoverInfoPtr = &DefaultInfo;\r
-\r
- LocalPtr.OpPtr = DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_CONTROL_IX - 1];\r
-\r
- //\r
- // if multicast enabled, need multicast address\r
- //\r
- if (!(LocalPtr.DiscoveryControl->ControlBits & DISABLE_MCAST)) {\r
- DefaultInfo.UseMCast = TRUE;\r
-\r
- CopyMem (\r
- ((EFI_IPv4_ADDRESS *) &DefaultInfo.ServerMCastIp),\r
- &((DHCPV4_OP_IP_ADDRESS *) DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_DISCOVERY_MCAST_ADDR_IX - 1])->Ip,\r
- sizeof (EFI_IPv4_ADDRESS)\r
- );\r
- }\r
-\r
- DefaultInfo.UseBCast = (BOOLEAN) ((LocalPtr.DiscoveryControl->ControlBits & DISABLE_BCAST) == 0);\r
-\r
- DefaultInfo.MustUseList = (BOOLEAN) ((LocalPtr.DiscoveryControl->ControlBits & USE_ACCEPT_LIST) != 0);\r
-\r
- DefaultInfo.UseUCast = (BOOLEAN)\r
- (\r
- (DefaultInfo.MustUseList) ||\r
- ((LocalPtr.DiscoveryControl->ControlBits & (DISABLE_MCAST | DISABLE_BCAST)) == (DISABLE_MCAST | DISABLE_BCAST))\r
- );\r
-\r
- if ((DefaultInfo.UseUCast | DefaultInfo.MustUseList) && !ExtractBootServerList (\r
- Type,\r
- DhcpRxBuf->OpAdds.PxeOptAdds[VEND_PXE_BOOT_SERVERS_IX - 1],\r
- &ServerListPtr\r
- )) {\r
- DEBUG ((EFI_D_WARN, "\nBcDiscover() type not in list"));\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- }\r
- //\r
- // Info supplied - make SrvList if required\r
- // if we use ucast discovery or must use list, there better be one\r
- //\r
- else if (DiscoverInfoPtr->UseUCast || DiscoverInfoPtr->MustUseList) {\r
- //\r
- // there better be a list\r
- //\r
- if (DiscoverInfoPtr->IpCnt == 0) {\r
- DEBUG ((EFI_D_WARN, "\nBcDiscover() no bootserver list"));\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_INVALID_PARAMETER;\r
- }\r
- //\r
- // get its size\r
- //\r
- for (Index = Index2 = 0; Index < DiscoverInfoPtr->IpCnt; ++Index) {\r
- if (DiscoverInfoPtr->SrvList[Index].Type == Type) {\r
- if (DiscoverInfoPtr->SrvList[Index].AcceptAnyResponse) {\r
- if (Index2 != 0) {\r
- DEBUG ((EFI_D_WARN, "\nBcDiscover() accept any?"));\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_INVALID_PARAMETER;\r
- } else {\r
- Index2 = 1;\r
- DefaultSrvList.Ipv4List.IpCount = 0;\r
- ServerListPtr = &DefaultSrvList;\r
- break;\r
- }\r
- } else {\r
- ++Index2;\r
- }\r
- }\r
- }\r
-\r
- if (Index2 == 0) {\r
- DEBUG ((EFI_D_WARN, "\nBcDiscover() !Index2?"));\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- if (ServerListPtr == NULL) {\r
- ServerListPtr = AllocatePool (\r
- sizeof (PXEV4_SERVER_LIST) + (Index2 - 1) * sizeof (EFI_IPv4_ADDRESS)\r
- );\r
-\r
- if (ServerListPtr == NULL) {\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
- //\r
- // build an array of IP addresses from the server list\r
- //\r
- AcquiredSrvList = TRUE;\r
- ServerListPtr->Ipv4List.IpCount = (UINT8) Index2;\r
-\r
- for (Index = Index2 = 0; Index < DiscoverInfoPtr->IpCnt; ++Index) {\r
- if (DiscoverInfoPtr->SrvList[Index].Type == Type) {\r
- CopyMem (\r
- &ServerListPtr->Ipv4List.IpList[Index2++],\r
- &DiscoverInfoPtr->SrvList[Index].IpAddr.v4,\r
- sizeof ServerListPtr->Ipv4List.IpList[0]\r
- );\r
- }\r
- }\r
- }\r
- }\r
-\r
- if (DiscoverInfoPtr->MustUseList) {\r
- McastServerListPtr = ServerListPtr;\r
- }\r
-\r
- if (!(DiscoverInfoPtr->UseMCast || DiscoverInfoPtr->UseBCast || DiscoverInfoPtr->UseUCast)) {\r
- DEBUG ((EFI_D_WARN, "\nBcDiscover() Nothing to use!\n"));\r
-\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- PxebcMode->PxeDiscoverValid = PxebcMode->PxeReplyReceived = PxebcMode->PxeBisReplyReceived = FALSE;\r
-\r
- StatCode = Discover (\r
- Private,\r
- Type,\r
- LayerPtr,\r
- UseBis,\r
- DiscoverInfoPtr,\r
- McastServerListPtr,\r
- ServerListPtr\r
- );\r
-\r
- if (AcquiredSrvList) {\r
- FreePool (ServerListPtr);\r
- }\r
-\r
- FreeMem (Private);\r
-\r
- //\r
- // Unlock the instance data\r
- //\r
- DEBUG (\r
- (EFI_D_INFO,\r
- "\nBcDiscover() status == %r (%Xh)\n",\r
- StatCode,\r
- StatCode)\r
- );\r
-\r
- EfiReleaseLock (&Private->Lock);\r
- return StatCode;\r
-}\r
-\r
-/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */\r
-EFI_STATUS\r
-EFIAPI\r
-BcSetPackets (\r
- IN EFI_PXE_BASE_CODE_PROTOCOL * This,\r
- BOOLEAN *NewDhcpDiscoverValid, OPTIONAL\r
- BOOLEAN *NewDhcpAckReceived, OPTIONAL\r
- BOOLEAN *NewProxyOfferReceived, OPTIONAL\r
- BOOLEAN *NewPxeDiscoverValid, OPTIONAL\r
- BOOLEAN *NewPxeReplyReceived, OPTIONAL\r
- BOOLEAN *NewPxeBisReplyReceived, OPTIONAL\r
- IN EFI_PXE_BASE_CODE_PACKET * NewDhcpDiscover, OPTIONAL\r
- IN EFI_PXE_BASE_CODE_PACKET * NewDhcpAck, OPTIONAL\r
- IN EFI_PXE_BASE_CODE_PACKET * NewProxyOffer, OPTIONAL\r
- IN EFI_PXE_BASE_CODE_PACKET * NewPxeDiscover, OPTIONAL\r
- IN EFI_PXE_BASE_CODE_PACKET * NewPxeReply, OPTIONAL\r
- IN EFI_PXE_BASE_CODE_PACKET * NewPxeBisReply OPTIONAL\r
- )\r
-/*++\r
-Routine description:\r
-\r
-Parameters:\r
-\r
-Returns:\r
---*/\r
-{\r
- EFI_PXE_BASE_CODE_MODE *PxebcMode;\r
- PXE_BASECODE_DEVICE *Private;\r
-\r
- //\r
- // Lock the instance data and make sure started\r
- //\r
-\r
- if (This == NULL) {\r
- DEBUG ((EFI_D_ERROR, "BC *This pointer == NULL"));\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- Private = CR (This, PXE_BASECODE_DEVICE, EfiBc, PXE_BASECODE_DEVICE_SIGNATURE);\r
-\r
- if (Private == NULL) {\r
- DEBUG ((EFI_D_ERROR, "PXE_BASECODE_DEVICE poiner == NULL"));\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- EfiAcquireLock (&Private->Lock);\r
-\r
- if (This->Mode == NULL || !This->Mode->Started) {\r
- DEBUG ((EFI_D_ERROR, "BC was not started."));\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_NOT_STARTED;\r
- }\r
-\r
- PxebcMode = Private->EfiBc.Mode;\r
-\r
- if (Private->DhcpPacketBuffer == NULL) {\r
- Private->DhcpPacketBuffer = AllocatePool (sizeof (DHCP_RECEIVE_BUFFER) * (PXE_BIS_INDEX + 1));\r
- if (Private->DhcpPacketBuffer == NULL) {\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
- }\r
- //\r
- // Issue BC command\r
- //\r
- //\r
- // reset\r
- //\r
- Private->FileSize = 0;\r
- if (NewDhcpDiscoverValid != NULL) {\r
- PxebcMode->DhcpDiscoverValid = *NewDhcpDiscoverValid;\r
- }\r
-\r
- if (NewDhcpAckReceived != NULL) {\r
- PxebcMode->DhcpAckReceived = *NewDhcpAckReceived;\r
- }\r
-\r
- if (NewProxyOfferReceived != NULL) {\r
- PxebcMode->ProxyOfferReceived = *NewProxyOfferReceived;\r
- }\r
-\r
- if (NewPxeDiscoverValid != NULL) {\r
- PxebcMode->PxeDiscoverValid = *NewPxeDiscoverValid;\r
- }\r
-\r
- if (NewPxeReplyReceived != NULL) {\r
- PxebcMode->PxeReplyReceived = *NewPxeReplyReceived;\r
- }\r
-\r
- if (NewPxeBisReplyReceived != NULL) {\r
- PxebcMode->PxeBisReplyReceived = *NewPxeBisReplyReceived;\r
- }\r
-\r
- if (NewDhcpDiscover != NULL) {\r
- CopyMem (\r
- &PxebcMode->DhcpDiscover,\r
- NewDhcpDiscover,\r
- sizeof *NewDhcpDiscover\r
- );\r
- }\r
-\r
- if (NewDhcpAck != NULL) {\r
- CopyParse (Private, &PxebcMode->DhcpAck, NewDhcpAck, DHCPV4_ACK_INDEX);\r
- }\r
-\r
- if (NewProxyOffer != NULL) {\r
- CopyParse (Private, &PxebcMode->ProxyOffer, NewProxyOffer, PXE_OFFER_INDEX);\r
- }\r
-\r
- if (NewPxeDiscover != NULL) {\r
- CopyMem (\r
- &PxebcMode->PxeDiscover,\r
- NewPxeDiscover,\r
- sizeof *NewPxeDiscover\r
- );\r
- }\r
-\r
- if (NewPxeReply != NULL) {\r
- CopyParse (Private, &PxebcMode->PxeReply, NewPxeReply, PXE_ACK_INDEX);\r
- }\r
-\r
- if (NewPxeBisReply != NULL) {\r
- CopyParse (Private, &PxebcMode->PxeBisReply, NewPxeBisReply, PXE_BIS_INDEX);\r
- }\r
- //\r
- // Unlock the instance data\r
- //\r
- EfiReleaseLock (&Private->Lock);\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/* eof - pxe_bc_dhcp.c */\r
projects / mirror_edk2.git / blobdiff