diff options
Diffstat (limited to 'gpxe/src/arch/i386/interface/pxe')
| -rw-r--r-- | gpxe/src/arch/i386/interface/pxe/pxe_call.c | 509 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/interface/pxe/pxe_entry.S | 216 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/interface/pxe/pxe_errors.c | 103 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/interface/pxe/pxe_file.c | 306 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/interface/pxe/pxe_loader.c | 50 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/interface/pxe/pxe_preboot.c | 357 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/interface/pxe/pxe_tftp.c | 586 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/interface/pxe/pxe_udp.c | 405 | ||||
| -rw-r--r-- | gpxe/src/arch/i386/interface/pxe/pxe_undi.c | 791 |
9 files changed, 0 insertions, 3323 deletions
diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_call.c b/gpxe/src/arch/i386/interface/pxe/pxe_call.c deleted file mode 100644 index 66a9b1e2..00000000 --- a/gpxe/src/arch/i386/interface/pxe/pxe_call.c +++ /dev/null @@ -1,509 +0,0 @@ -/* - * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include <gpxe/uaccess.h> -#include <gpxe/init.h> -#include <registers.h> -#include <biosint.h> -#include <pxe.h> -#include <pxe_call.h> - -/** @file - * - * PXE API entry point - */ - -/** Vector for chaining INT 1A */ -extern struct segoff __text16 ( pxe_int_1a_vector ); -#define pxe_int_1a_vector __use_text16 ( pxe_int_1a_vector ) - -/** INT 1A handler */ -extern void pxe_int_1a ( void ); - -/** INT 1A hooked flag */ -static int int_1a_hooked = 0; - -/** A function pointer to hold any PXE API call - * - * Used by pxe_api_call() to avoid large swathes of duplicated code. - */ -union pxenv_call { - PXENV_EXIT_t ( * any ) ( union u_PXENV_ANY * ); - PXENV_EXIT_t ( * unknown ) ( struct s_PXENV_UNKNOWN * ); - PXENV_EXIT_t ( * unload_stack ) ( struct s_PXENV_UNLOAD_STACK * ); - PXENV_EXIT_t ( * get_cached_info ) - ( struct s_PXENV_GET_CACHED_INFO * ); - PXENV_EXIT_t ( * restart_tftp ) ( struct s_PXENV_TFTP_READ_FILE * ); - PXENV_EXIT_t ( * start_undi ) ( struct s_PXENV_START_UNDI * ); - PXENV_EXIT_t ( * stop_undi ) ( struct s_PXENV_STOP_UNDI * ); - PXENV_EXIT_t ( * start_base ) ( struct s_PXENV_START_BASE * ); - PXENV_EXIT_t ( * stop_base ) ( struct s_PXENV_STOP_BASE * ); - PXENV_EXIT_t ( * tftp_open ) ( struct s_PXENV_TFTP_OPEN * ); - PXENV_EXIT_t ( * tftp_close ) ( struct s_PXENV_TFTP_CLOSE * ); - PXENV_EXIT_t ( * tftp_read ) ( struct s_PXENV_TFTP_READ * ); - PXENV_EXIT_t ( * tftp_read_file ) ( struct s_PXENV_TFTP_READ_FILE * ); - PXENV_EXIT_t ( * tftp_get_fsize ) ( struct s_PXENV_TFTP_GET_FSIZE * ); - PXENV_EXIT_t ( * udp_open ) ( struct s_PXENV_UDP_OPEN * ); - PXENV_EXIT_t ( * udp_close ) ( struct s_PXENV_UDP_CLOSE * ); - PXENV_EXIT_t ( * udp_write ) ( struct s_PXENV_UDP_WRITE * ); - PXENV_EXIT_t ( * udp_read ) ( struct s_PXENV_UDP_READ * ); - PXENV_EXIT_t ( * undi_startup ) ( struct s_PXENV_UNDI_STARTUP * ); - PXENV_EXIT_t ( * undi_cleanup ) ( struct s_PXENV_UNDI_CLEANUP * ); - PXENV_EXIT_t ( * undi_initialize ) - ( struct s_PXENV_UNDI_INITIALIZE * ); - PXENV_EXIT_t ( * undi_reset_adapter ) ( struct s_PXENV_UNDI_RESET * ); - PXENV_EXIT_t ( * undi_shutdown ) ( struct s_PXENV_UNDI_SHUTDOWN * ); - PXENV_EXIT_t ( * undi_open ) ( struct s_PXENV_UNDI_OPEN * ); - PXENV_EXIT_t ( * undi_close ) ( struct s_PXENV_UNDI_CLOSE * ); - PXENV_EXIT_t ( * undi_transmit ) ( struct s_PXENV_UNDI_TRANSMIT * ); - PXENV_EXIT_t ( * undi_set_mcast_address ) - ( struct s_PXENV_UNDI_SET_MCAST_ADDRESS * ); - PXENV_EXIT_t ( * undi_set_station_address ) - ( struct s_PXENV_UNDI_SET_STATION_ADDRESS * ); - PXENV_EXIT_t ( * undi_set_packet_filter ) - ( struct s_PXENV_UNDI_SET_PACKET_FILTER * ); - PXENV_EXIT_t ( * undi_get_information ) - ( struct s_PXENV_UNDI_GET_INFORMATION * ); - PXENV_EXIT_t ( * undi_get_statistics ) - ( struct s_PXENV_UNDI_GET_STATISTICS * ); - PXENV_EXIT_t ( * undi_clear_statistics ) - ( struct s_PXENV_UNDI_CLEAR_STATISTICS * ); - PXENV_EXIT_t ( * undi_initiate_diags ) - ( struct s_PXENV_UNDI_INITIATE_DIAGS * ); - PXENV_EXIT_t ( * undi_force_interrupt ) - ( struct s_PXENV_UNDI_FORCE_INTERRUPT * ); - PXENV_EXIT_t ( * undi_get_mcast_address ) - ( struct s_PXENV_UNDI_GET_MCAST_ADDRESS * ); - PXENV_EXIT_t ( * undi_get_nic_type ) - ( struct s_PXENV_UNDI_GET_NIC_TYPE * ); - PXENV_EXIT_t ( * undi_get_iface_info ) - ( struct s_PXENV_UNDI_GET_IFACE_INFO * ); - PXENV_EXIT_t ( * undi_get_state ) ( struct s_PXENV_UNDI_GET_STATE * ); - PXENV_EXIT_t ( * undi_isr ) ( struct s_PXENV_UNDI_ISR * ); - PXENV_EXIT_t ( * file_open ) ( struct s_PXENV_FILE_OPEN * ); - PXENV_EXIT_t ( * file_close ) ( struct s_PXENV_FILE_CLOSE * ); - PXENV_EXIT_t ( * file_select ) ( struct s_PXENV_FILE_SELECT * ); - PXENV_EXIT_t ( * file_read ) ( struct s_PXENV_FILE_READ * ); - PXENV_EXIT_t ( * get_file_size ) ( struct s_PXENV_GET_FILE_SIZE * ); - PXENV_EXIT_t ( * file_exec ) ( struct s_PXENV_FILE_EXEC * ); - PXENV_EXIT_t ( * file_api_check ) ( struct s_PXENV_FILE_API_CHECK * ); - PXENV_EXIT_t ( * file_exit_hook ) ( struct s_PXENV_FILE_EXIT_HOOK * ); -}; - -/** - * Handle an unknown PXE API call - * - * @v pxenv_unknown Pointer to a struct s_PXENV_UNKNOWN - * @ret #PXENV_EXIT_FAILURE Always - * @err #PXENV_STATUS_UNSUPPORTED Always - */ -static PXENV_EXIT_t pxenv_unknown ( struct s_PXENV_UNKNOWN *pxenv_unknown ) { - pxenv_unknown->Status = PXENV_STATUS_UNSUPPORTED; - return PXENV_EXIT_FAILURE; -} - -/** - * Dispatch PXE API call - * - * @v bx PXE opcode - * @v es:di Address of PXE parameter block - * @ret ax PXE exit code - */ -__asmcall void pxe_api_call ( struct i386_all_regs *ix86 ) { - int opcode = ix86->regs.bx; - userptr_t parameters = real_to_user ( ix86->segs.es, ix86->regs.di ); - size_t param_len; - union u_PXENV_ANY pxenv_any; - union pxenv_call pxenv_call; - PXENV_EXIT_t ret; - - switch ( opcode ) { - case PXENV_UNLOAD_STACK: - pxenv_call.unload_stack = pxenv_unload_stack; - param_len = sizeof ( pxenv_any.unload_stack ); - break; - case PXENV_GET_CACHED_INFO: - pxenv_call.get_cached_info = pxenv_get_cached_info; - param_len = sizeof ( pxenv_any.get_cached_info ); - break; - case PXENV_RESTART_TFTP: - pxenv_call.restart_tftp = pxenv_restart_tftp; - param_len = sizeof ( pxenv_any.restart_tftp ); - break; - case PXENV_START_UNDI: - pxenv_call.start_undi = pxenv_start_undi; - param_len = sizeof ( pxenv_any.start_undi ); - break; - case PXENV_STOP_UNDI: - pxenv_call.stop_undi = pxenv_stop_undi; - param_len = sizeof ( pxenv_any.stop_undi ); - break; - case PXENV_START_BASE: - pxenv_call.start_base = pxenv_start_base; - param_len = sizeof ( pxenv_any.start_base ); - break; - case PXENV_STOP_BASE: - pxenv_call.stop_base = pxenv_stop_base; - param_len = sizeof ( pxenv_any.stop_base ); - break; - case PXENV_TFTP_OPEN: - pxenv_call.tftp_open = pxenv_tftp_open; - param_len = sizeof ( pxenv_any.tftp_open ); - break; - case PXENV_TFTP_CLOSE: - pxenv_call.tftp_close = pxenv_tftp_close; - param_len = sizeof ( pxenv_any.tftp_close ); - break; - case PXENV_TFTP_READ: - pxenv_call.tftp_read = pxenv_tftp_read; - param_len = sizeof ( pxenv_any.tftp_read ); - break; - case PXENV_TFTP_READ_FILE: - pxenv_call.tftp_read_file = pxenv_tftp_read_file; - param_len = sizeof ( pxenv_any.tftp_read_file ); - break; - case PXENV_TFTP_GET_FSIZE: - pxenv_call.tftp_get_fsize = pxenv_tftp_get_fsize; - param_len = sizeof ( pxenv_any.tftp_get_fsize ); - break; - case PXENV_UDP_OPEN: - pxenv_call.udp_open = pxenv_udp_open; - param_len = sizeof ( pxenv_any.udp_open ); - break; - case PXENV_UDP_CLOSE: - pxenv_call.udp_close = pxenv_udp_close; - param_len = sizeof ( pxenv_any.udp_close ); - break; - case PXENV_UDP_WRITE: - pxenv_call.udp_write = pxenv_udp_write; - param_len = sizeof ( pxenv_any.udp_write ); - break; - case PXENV_UDP_READ: - pxenv_call.udp_read = pxenv_udp_read; - param_len = sizeof ( pxenv_any.udp_read ); - break; - case PXENV_UNDI_STARTUP: - pxenv_call.undi_startup = pxenv_undi_startup; - param_len = sizeof ( pxenv_any.undi_startup ); - break; - case PXENV_UNDI_CLEANUP: - pxenv_call.undi_cleanup = pxenv_undi_cleanup; - param_len = sizeof ( pxenv_any.undi_cleanup ); - break; - case PXENV_UNDI_INITIALIZE: - pxenv_call.undi_initialize = pxenv_undi_initialize; - param_len = sizeof ( pxenv_any.undi_initialize ); - break; - case PXENV_UNDI_RESET_ADAPTER: - pxenv_call.undi_reset_adapter = pxenv_undi_reset_adapter; - param_len = sizeof ( pxenv_any.undi_reset_adapter ); - break; - case PXENV_UNDI_SHUTDOWN: - pxenv_call.undi_shutdown = pxenv_undi_shutdown; - param_len = sizeof ( pxenv_any.undi_shutdown ); - break; - case PXENV_UNDI_OPEN: - pxenv_call.undi_open = pxenv_undi_open; - param_len = sizeof ( pxenv_any.undi_open ); - break; - case PXENV_UNDI_CLOSE: - pxenv_call.undi_close = pxenv_undi_close; - param_len = sizeof ( pxenv_any.undi_close ); - break; - case PXENV_UNDI_TRANSMIT: - pxenv_call.undi_transmit = pxenv_undi_transmit; - param_len = sizeof ( pxenv_any.undi_transmit ); - break; - case PXENV_UNDI_SET_MCAST_ADDRESS: - pxenv_call.undi_set_mcast_address = - pxenv_undi_set_mcast_address; - param_len = sizeof ( pxenv_any.undi_set_mcast_address ); - break; - case PXENV_UNDI_SET_STATION_ADDRESS: - pxenv_call.undi_set_station_address = - pxenv_undi_set_station_address; - param_len = sizeof ( pxenv_any.undi_set_station_address ); - break; - case PXENV_UNDI_SET_PACKET_FILTER: - pxenv_call.undi_set_packet_filter = - pxenv_undi_set_packet_filter; - param_len = sizeof ( pxenv_any.undi_set_packet_filter ); - break; - case PXENV_UNDI_GET_INFORMATION: - pxenv_call.undi_get_information = pxenv_undi_get_information; - param_len = sizeof ( pxenv_any.undi_get_information ); - break; - case PXENV_UNDI_GET_STATISTICS: - pxenv_call.undi_get_statistics = pxenv_undi_get_statistics; - param_len = sizeof ( pxenv_any.undi_get_statistics ); - break; - case PXENV_UNDI_CLEAR_STATISTICS: - pxenv_call.undi_clear_statistics = pxenv_undi_clear_statistics; - param_len = sizeof ( pxenv_any.undi_clear_statistics ); - break; - case PXENV_UNDI_INITIATE_DIAGS: - pxenv_call.undi_initiate_diags = pxenv_undi_initiate_diags; - param_len = sizeof ( pxenv_any.undi_initiate_diags ); - break; - case PXENV_UNDI_FORCE_INTERRUPT: - pxenv_call.undi_force_interrupt = pxenv_undi_force_interrupt; - param_len = sizeof ( pxenv_any.undi_force_interrupt ); - break; - case PXENV_UNDI_GET_MCAST_ADDRESS: - pxenv_call.undi_get_mcast_address = - pxenv_undi_get_mcast_address; - param_len = sizeof ( pxenv_any.undi_get_mcast_address ); - break; - case PXENV_UNDI_GET_NIC_TYPE: - pxenv_call.undi_get_nic_type = pxenv_undi_get_nic_type; - param_len = sizeof ( pxenv_any.undi_get_nic_type ); - break; - case PXENV_UNDI_GET_IFACE_INFO: - pxenv_call.undi_get_iface_info = pxenv_undi_get_iface_info; - param_len = sizeof ( pxenv_any.undi_get_iface_info ); - break; - case PXENV_UNDI_ISR: - pxenv_call.undi_isr = pxenv_undi_isr; - param_len = sizeof ( pxenv_any.undi_isr ); - break; - case PXENV_FILE_OPEN: - pxenv_call.file_open = pxenv_file_open; - param_len = sizeof ( pxenv_any.file_open ); - break; - case PXENV_FILE_CLOSE: - pxenv_call.file_close = pxenv_file_close; - param_len = sizeof ( pxenv_any.file_close ); - break; - case PXENV_FILE_SELECT: - pxenv_call.file_select = pxenv_file_select; - param_len = sizeof ( pxenv_any.file_select ); - break; - case PXENV_FILE_READ: - pxenv_call.file_read = pxenv_file_read; - param_len = sizeof ( pxenv_any.file_read ); - break; - case PXENV_GET_FILE_SIZE: - pxenv_call.get_file_size = pxenv_get_file_size; - param_len = sizeof ( pxenv_any.get_file_size ); - break; - case PXENV_FILE_EXEC: - pxenv_call.file_exec = pxenv_file_exec; - param_len = sizeof ( pxenv_any.file_exec ); - break; - case PXENV_FILE_API_CHECK: - pxenv_call.file_api_check = pxenv_file_api_check; - param_len = sizeof ( pxenv_any.file_api_check ); - break; - case PXENV_FILE_EXIT_HOOK: - pxenv_call.file_exit_hook = pxenv_file_exit_hook; - param_len = sizeof ( pxenv_any.file_exit_hook ); - break; - default: - DBG ( "PXENV_UNKNOWN_%hx", opcode ); - pxenv_call.unknown = pxenv_unknown; - param_len = sizeof ( pxenv_any.unknown ); - break; - } - - /* Copy parameter block from caller */ - copy_from_user ( &pxenv_any, parameters, 0, param_len ); - - /* Set default status in case child routine fails to do so */ - pxenv_any.Status = PXENV_STATUS_FAILURE; - - /* Hand off to relevant API routine */ - DBG ( "[" ); - ret = pxenv_call.any ( &pxenv_any ); - if ( pxenv_any.Status != PXENV_STATUS_SUCCESS ) { - DBG ( " %02x", pxenv_any.Status ); - } - if ( ret != PXENV_EXIT_SUCCESS ) { - DBG ( ret == PXENV_EXIT_FAILURE ? " err" : " ??" ); - } - DBG ( "]" ); - - /* Copy modified parameter block back to caller and return */ - copy_to_user ( parameters, 0, &pxenv_any, param_len ); - ix86->regs.ax = ret; -} - -/** - * Dispatch weak PXE API call with PXE stack available - * - * @v ix86 Registers for PXE call - * @ret present Zero (PXE stack present) - */ -int _pxe_api_call_weak ( struct i386_all_regs *ix86 ) -{ - pxe_api_call ( ix86 ); - return 0; -} - -/** - * Dispatch PXE loader call - * - * @v es:di Address of PXE parameter block - * @ret ax PXE exit code - */ -__asmcall void pxe_loader_call ( struct i386_all_regs *ix86 ) { - userptr_t uparams = real_to_user ( ix86->segs.es, ix86->regs.di ); - struct s_UNDI_LOADER params; - PXENV_EXIT_t ret; - - /* Copy parameter block from caller */ - copy_from_user ( ¶ms, uparams, 0, sizeof ( params ) ); - - /* Fill in ROM segment address */ - ppxe.UNDIROMID.segment = ix86->segs.ds; - - /* Set default status in case child routine fails to do so */ - params.Status = PXENV_STATUS_FAILURE; - - /* Call UNDI loader */ - ret = undi_loader ( ¶ms ); - - /* Copy modified parameter block back to caller and return */ - copy_to_user ( uparams, 0, ¶ms, sizeof ( params ) ); - ix86->regs.ax = ret; -} - -/** - * Calculate byte checksum as used by PXE - * - * @v data Data - * @v size Length of data - * @ret sum Checksum - */ -static uint8_t pxe_checksum ( void *data, size_t size ) { - uint8_t *bytes = data; - uint8_t sum = 0; - - while ( size-- ) { - sum += *bytes++; - } - return sum; -} - -/** - * Initialise !PXE and PXENV+ structures - * - */ -static void pxe_init_structures ( void ) { - uint32_t rm_cs_phys = ( rm_cs << 4 ); - uint32_t rm_ds_phys = ( rm_ds << 4 ); - - /* Fill in missing segment fields */ - ppxe.EntryPointSP.segment = rm_cs; - ppxe.EntryPointESP.segment = rm_cs; - ppxe.Stack.segment_address = rm_ds; - ppxe.Stack.Physical_address = rm_ds_phys; - ppxe.UNDIData.segment_address = rm_ds; - ppxe.UNDIData.Physical_address = rm_ds_phys; - ppxe.UNDICode.segment_address = rm_cs; - ppxe.UNDICode.Physical_address = rm_cs_phys; - ppxe.UNDICodeWrite.segment_address = rm_cs; - ppxe.UNDICodeWrite.Physical_address = rm_cs_phys; - pxenv.RMEntry.segment = rm_cs; - pxenv.StackSeg = rm_ds; - pxenv.UNDIDataSeg = rm_ds; - pxenv.UNDICodeSeg = rm_cs; - pxenv.PXEPtr.segment = rm_cs; - - /* Update checksums */ - ppxe.StructCksum -= pxe_checksum ( &ppxe, sizeof ( ppxe ) ); - pxenv.Checksum -= pxe_checksum ( &pxenv, sizeof ( pxenv ) ); -} - -/** PXE structure initialiser */ -struct init_fn pxe_init_fn __init_fn ( INIT_NORMAL ) = { - .initialise = pxe_init_structures, -}; - -/** - * Activate PXE stack - * - * @v netdev Net device to use as PXE net device - */ -void pxe_activate ( struct net_device *netdev ) { - - /* Ensure INT 1A is hooked */ - if ( ! int_1a_hooked ) { - hook_bios_interrupt ( 0x1a, ( unsigned int ) pxe_int_1a, - &pxe_int_1a_vector ); - int_1a_hooked = 1; - } - - /* Set PXE network device */ - pxe_set_netdev ( netdev ); -} - -/** - * Deactivate PXE stack - * - * @ret rc Return status code - */ -int pxe_deactivate ( void ) { - int rc; - - /* Clear PXE network device */ - pxe_set_netdev ( NULL ); - - /* Ensure INT 1A is unhooked, if possible */ - if ( int_1a_hooked ) { - if ( ( rc = unhook_bios_interrupt ( 0x1a, - (unsigned int) pxe_int_1a, - &pxe_int_1a_vector ))!= 0){ - DBG ( "Could not unhook INT 1A: %s\n", - strerror ( rc ) ); - return rc; - } - int_1a_hooked = 0; - } - - return 0; -} - -/** - * Start PXE NBP at 0000:7c00 - * - * @ret rc Return status code - */ -int pxe_start_nbp ( void ) { - int discard_b, discard_c, discard_d, discard_D; - uint16_t rc; - - /* Far call to PXE NBP */ - __asm__ __volatile__ ( REAL_CODE ( "movw %%cx, %%es\n\t" - "pushw %%es\n\t" - "pushw %%di\n\t" - "sti\n\t" - "lcall $0, $0x7c00\n\t" - "addw $4, %%sp\n\t" ) - : "=a" ( rc ), "=b" ( discard_b ), - "=c" ( discard_c ), "=d" ( discard_d ), - "=D" ( discard_D ) - : "a" ( 0 ), "b" ( __from_text16 ( &pxenv ) ), - "c" ( rm_cs ), - "d" ( virt_to_phys ( &pxenv ) ), - "D" ( __from_text16 ( &ppxe ) ) - : "esi", "ebp", "memory" ); - - return rc; -} diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_entry.S b/gpxe/src/arch/i386/interface/pxe/pxe_entry.S deleted file mode 100644 index 0d3a57cd..00000000 --- a/gpxe/src/arch/i386/interface/pxe/pxe_entry.S +++ /dev/null @@ -1,216 +0,0 @@ -/* - * Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -FILE_LICENCE ( GPL2_OR_LATER ) - - .arch i386 - -/**************************************************************************** - * !PXE structure - **************************************************************************** - */ - .section ".text16.data", "aw", @progbits - .globl ppxe - .align 16 -ppxe: - .ascii "!PXE" /* Signature */ - .byte pxe_length /* StructLength */ - .byte 0 /* StructCksum */ - .byte 0 /* StructRev */ - .byte 0 /* reserved_1 */ - .word undiheader, 0 /* UNDIROMID */ - .word 0, 0 /* BaseROMID */ - .word pxe_entry_sp, 0 /* EntryPointSP */ - .word pxe_entry_esp, 0 /* EntryPointESP */ - .word -1, -1 /* StatusCallout */ - .byte 0 /* reserved_2 */ - .byte SegDescCnt /* SegDescCnt */ - .word 0 /* FirstSelector */ -pxe_segments: - .word 0, 0, 0, _data16_memsz /* Stack */ - .word 0, 0, 0, _data16_memsz /* UNDIData */ - .word 0, 0, 0, _text16_memsz /* UNDICode */ - .word 0, 0, 0, _text16_memsz /* UNDICodeWrite */ - .word 0, 0, 0, 0 /* BC_Data */ - .word 0, 0, 0, 0 /* BC_Code */ - .word 0, 0, 0, 0 /* BC_CodeWrite */ - .equ SegDescCnt, ( ( . - pxe_segments ) / 8 ) - .equ pxe_length, . - ppxe - .size ppxe, . - ppxe - - /* Define undiheader=0 as a weak symbol for non-ROM builds */ - .section ".weak", "a", @nobits - .weak undiheader -undiheader: - -/**************************************************************************** - * PXENV+ structure - **************************************************************************** - */ - .section ".text16.data", "aw", @progbits - .globl pxenv - .align 16 -pxenv: - .ascii "PXENV+" /* Signature */ - .word 0x0201 /* Version */ - .byte pxenv_length /* Length */ - .byte 0 /* Checksum */ - .word pxenv_entry, 0 /* RMEntry */ - .long 0 /* PMEntry */ - .word 0 /* PMSelector */ - .word 0 /* StackSeg */ - .word _data16_memsz /* StackSize */ - .word 0 /* BC_CodeSeg */ - .word 0 /* BC_CodeSize */ - .word 0 /* BC_DataSeg */ - .word 0 /* BC_DataSize */ - .word 0 /* UNDIDataSeg */ - .word _data16_memsz /* UNDIDataSize */ - .word 0 /* UNDICodeSeg */ - .word _text16_memsz /* UNDICodeSize */ - .word ppxe, 0 /* PXEPtr */ - .equ pxenv_length, . - pxenv - .size pxenv, . - pxenv - -/**************************************************************************** - * pxenv_entry (16-bit far call) - * - * PXE API call PXENV+ entry point - * - * Parameters: - * %es:di : Far pointer to PXE parameter structure - * %bx : PXE API call - * Returns: - * %ax : PXE exit status - * Corrupts: - * none - **************************************************************************** - */ - /* Wyse Streaming Manager server (WLDRM13.BIN) assumes that - * the PXENV+ entry point is at UNDI_CS:0000; apparently, - * somebody at Wyse has difficulty distinguishing between the - * words "may" and "must"... - */ - .section ".text16.null", "ax", @progbits - .code16 -pxenv_null_entry: - jmp pxenv_entry - - .section ".text16", "ax", @progbits - .code16 -pxenv_entry: - pushl $pxe_api_call - pushw %cs - call prot_call - addl $4, %esp - lret - .size pxenv_entry, . - pxenv_entry - -/**************************************************************************** - * pxe_entry - * - * PXE API call !PXE entry point - * - * Parameters: - * stack : Far pointer to PXE parameter structure - * stack : PXE API call - * Returns: - * %ax : PXE exit status - * Corrupts: - * none - **************************************************************************** - */ - .section ".text16", "ax", @progbits - .code16 -pxe_entry: -pxe_entry_sp: - /* Preserve original %esp */ - pushl %esp - /* Zero high word of %esp to allow use of common code */ - movzwl %sp, %esp - jmp pxe_entry_common -pxe_entry_esp: - /* Preserve %esp to match behaviour of pxe_entry_sp */ - pushl %esp -pxe_entry_common: - /* Save PXENV+ API call registers */ - pushw %es - pushw %di - pushw %bx - /* Load !PXE parameters from stack into PXENV+ registers */ - addr32 movw 18(%esp), %bx - movw %bx, %es - addr32 movw 16(%esp), %di - addr32 movw 14(%esp), %bx - /* Make call as for PXENV+ */ - pushw %cs - call pxenv_entry - /* Restore PXENV+ registers */ - popw %bx - popw %di - popw %es - /* Restore original %esp and return */ - popl %esp - lret - .size pxe_entry, . - pxe_entry - -/**************************************************************************** - * pxe_int_1a - * - * PXE INT 1A handler - * - * Parameters: - * %ax : 0x5650 - * Returns: - * %ax : 0x564e - * %es:bx : Far pointer to the PXENV+ structure - * %edx : Physical address of the PXENV+ structure - * CF cleared - * Corrupts: - * none - **************************************************************************** - */ - .section ".text16", "ax", @progbits - .code16 - .globl pxe_int_1a -pxe_int_1a: - pushfw - cmpw $0x5650, %ax - jne 1f - /* INT 1A,5650 - PXE installation check */ - xorl %edx, %edx - movw %cs, %dx - movw %dx, %es - movw $pxenv, %bx - shll $4, %edx - addl $pxenv, %edx - movw $0x564e, %ax - pushw %bp - movw %sp, %bp - andb $~0x01, 8(%bp) /* Clear CF on return */ - popw %bp - popfw - iret -1: /* INT 1A,other - pass through */ - popfw - ljmp *%cs:pxe_int_1a_vector - - .section ".text16.data", "aw", @progbits - .globl pxe_int_1a_vector -pxe_int_1a_vector: .long 0 diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_errors.c b/gpxe/src/arch/i386/interface/pxe/pxe_errors.c deleted file mode 100644 index f884ef8a..00000000 --- a/gpxe/src/arch/i386/interface/pxe/pxe_errors.c +++ /dev/null @@ -1,103 +0,0 @@ -#include <errno.h> -#include <gpxe/errortab.h> - -/* - * This table was generated from the relevant section of errno.h using - * - * perl -ne 'if ( /(PXENV_STATUS_(\S+))/ ) { - * $code = $1; $msg = $2; - * $msg =~ s/_/ /g; $msg = ucfirst lc $msg; - * $msg =~ s/(tftp|udp|arp|undi|bis|binl|pxenv|pxe|dhcp)/uc $1/ieg; - * print "\t{ $code, \"$msg\" },\n"; - * }' - * - * followed by a little manual tweaking. - * - */ -struct errortab pxe_errortab[] __errortab = { - { PXENV_STATUS_SUCCESS, "Success" }, - { PXENV_STATUS_FAILURE, "Failure" }, - { PXENV_STATUS_BAD_FUNC, "Bad function" }, - { PXENV_STATUS_UNSUPPORTED, "Unsupported function" }, - { PXENV_STATUS_KEEP_UNDI, "Keep UNDI" }, - { PXENV_STATUS_KEEP_ALL, "Keep all" }, - { PXENV_STATUS_OUT_OF_RESOURCES, "Out of resources" }, - { PXENV_STATUS_ARP_TIMEOUT, "ARP timeout" }, - { PXENV_STATUS_UDP_CLOSED, "UDP closed" }, - { PXENV_STATUS_UDP_OPEN, "UDP open" }, - { PXENV_STATUS_TFTP_CLOSED, "TFTP closed" }, - { PXENV_STATUS_TFTP_OPEN, "TFTP open" }, - { PXENV_STATUS_MCOPY_PROBLEM, "Memory copy problem" }, - { PXENV_STATUS_BIS_INTEGRITY_FAILURE, "BIS integrity failure" }, - { PXENV_STATUS_BIS_VALIDATE_FAILURE, "BIS validation failure" }, - { PXENV_STATUS_BIS_INIT_FAILURE, "BIS init failure" }, - { PXENV_STATUS_BIS_SHUTDOWN_FAILURE, "BIS shutdown failure" }, - { PXENV_STATUS_BIS_GBOA_FAILURE, "BIS GBOA failure" }, - { PXENV_STATUS_BIS_FREE_FAILURE, "BIS free failure" }, - { PXENV_STATUS_BIS_GSI_FAILURE, "BIS GSI failure" }, - { PXENV_STATUS_BIS_BAD_CKSUM, "BIS bad checksum" }, - { PXENV_STATUS_TFTP_CANNOT_ARP_ADDRESS, "TFTP cannot ARP address" }, - { PXENV_STATUS_TFTP_OPEN_TIMEOUT, "TFTP open timeout" }, - { PXENV_STATUS_TFTP_UNKNOWN_OPCODE, "TFTP unknown opcode" }, - { PXENV_STATUS_TFTP_READ_TIMEOUT, "TFTP read timeout" }, - { PXENV_STATUS_TFTP_ERROR_OPCODE, "TFTP error opcode" }, - { PXENV_STATUS_TFTP_CANNOT_OPEN_CONNECTION, - "TFTP cannot open connection" }, - { PXENV_STATUS_TFTP_CANNOT_READ_FROM_CONNECTION, - "TFTP cannot read from connection" }, - { PXENV_STATUS_TFTP_TOO_MANY_PACKAGES, "TFTP too many packages" }, - { PXENV_STATUS_TFTP_FILE_NOT_FOUND, "TFTP file not found" }, - { PXENV_STATUS_TFTP_ACCESS_VIOLATION, "TFTP access violation" }, - { PXENV_STATUS_TFTP_NO_MCAST_ADDRESS, "TFTP no mcast address" }, - { PXENV_STATUS_TFTP_NO_FILESIZE, "TFTP no filesize" }, - { PXENV_STATUS_TFTP_INVALID_PACKET_SIZE, "TFTP invalid packet size" }, - { PXENV_STATUS_DHCP_TIMEOUT, "DHCP timeout" }, - { PXENV_STATUS_DHCP_NO_IP_ADDRESS, "DHCP no ip address" }, - { PXENV_STATUS_DHCP_NO_BOOTFILE_NAME, "DHCP no bootfile name" }, - { PXENV_STATUS_DHCP_BAD_IP_ADDRESS, "DHCP bad ip address" }, - { PXENV_STATUS_UNDI_INVALID_FUNCTION, "UNDI invalid function" }, - { PXENV_STATUS_UNDI_MEDIATEST_FAILED, "UNDI mediatest failed" }, - { PXENV_STATUS_UNDI_CANNOT_INIT_NIC_FOR_MCAST, - "UNDI cannot initialise NIC for multicast" }, - { PXENV_STATUS_UNDI_CANNOT_INITIALIZE_NIC, - "UNDI cannot initialise NIC" }, - { PXENV_STATUS_UNDI_CANNOT_INITIALIZE_PHY, - "UNDI cannot initialise PHY" }, - { PXENV_STATUS_UNDI_CANNOT_READ_CONFIG_DATA, - "UNDI cannot read config data" }, - { PXENV_STATUS_UNDI_CANNOT_READ_INIT_DATA, - "UNDI cannot read init data" }, - { PXENV_STATUS_UNDI_BAD_MAC_ADDRESS, "UNDI bad MAC address" }, - { PXENV_STATUS_UNDI_BAD_EEPROM_CHECKSUM, "UNDI bad EEPROM checksum" }, - { PXENV_STATUS_UNDI_ERROR_SETTING_ISR, "UNDI error setting ISR" }, - { PXENV_STATUS_UNDI_INVALID_STATE, "UNDI invalid state" }, - { PXENV_STATUS_UNDI_TRANSMIT_ERROR, "UNDI transmit error" }, - { PXENV_STATUS_UNDI_INVALID_PARAMETER, "UNDI invalid parameter" }, - { PXENV_STATUS_BSTRAP_PROMPT_MENU, "Bootstrap prompt menu" }, - { PXENV_STATUS_BSTRAP_MCAST_ADDR, "Bootstrap mcast addr" }, - { PXENV_STATUS_BSTRAP_MISSING_LIST, "Bootstrap missing list" }, - { PXENV_STATUS_BSTRAP_NO_RESPONSE, "Bootstrap no response" }, - { PXENV_STATUS_BSTRAP_FILE_TOO_BIG, "Bootstrap file too big" }, - { PXENV_STATUS_BINL_CANCELED_BY_KEYSTROKE, - "BINL canceled by keystroke" }, - { PXENV_STATUS_BINL_NO_PXE_SERVER, "BINL no PXE server" }, - { PXENV_STATUS_NOT_AVAILABLE_IN_PMODE, - "Not available in protected mode" }, - { PXENV_STATUS_NOT_AVAILABLE_IN_RMODE, "Not available in real mode" }, - { PXENV_STATUS_BUSD_DEVICE_NOT_SUPPORTED, - "BUSD device not supported" }, - { PXENV_STATUS_LOADER_NO_FREE_BASE_MEMORY, - "Loader no free base memory" }, - { PXENV_STATUS_LOADER_NO_BC_ROMID, "Loader no Base Code ROM ID" }, - { PXENV_STATUS_LOADER_BAD_BC_ROMID, "Loader bad Base Code ROM ID" }, - { PXENV_STATUS_LOADER_BAD_BC_RUNTIME_IMAGE, - "Loader bad Base Code runtime image" }, - { PXENV_STATUS_LOADER_NO_UNDI_ROMID, "Loader no UNDI ROM ID" }, - { PXENV_STATUS_LOADER_BAD_UNDI_ROMID, "Loader bad UNDI ROM ID" }, - { PXENV_STATUS_LOADER_BAD_UNDI_DRIVER_IMAGE, - "Loader bad UNDI driver image" }, - { PXENV_STATUS_LOADER_NO_PXE_STRUCT, "Loader no !PXE struct" }, - { PXENV_STATUS_LOADER_NO_PXENV_STRUCT, "Loader no PXENV+ struct" }, - { PXENV_STATUS_LOADER_UNDI_START, "Loader UNDI start" }, - { PXENV_STATUS_LOADER_BC_START, "Loader Base Code start" }, -}; diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_file.c b/gpxe/src/arch/i386/interface/pxe/pxe_file.c deleted file mode 100644 index 8d832123..00000000 --- a/gpxe/src/arch/i386/interface/pxe/pxe_file.c +++ /dev/null @@ -1,306 +0,0 @@ -/** @file - * - * PXE FILE API - * - */ - -#include <stdlib.h> -#include <stdio.h> -#include <errno.h> -#include <byteswap.h> -#include <gpxe/uaccess.h> -#include <gpxe/posix_io.h> -#include <gpxe/features.h> -#include <pxe.h> -#include <realmode.h> - -/* - * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>. - * Portions (C) 2010 Shao Miller <shao.miller@yrdsb.edu.on.ca>. - * [PXE exit hook logic] - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -FEATURE ( FEATURE_MISC, "PXEXT", DHCP_EB_FEATURE_PXE_EXT, 2 ); - -/** - * FILE OPEN - * - * @v file_open Pointer to a struct s_PXENV_FILE_OPEN - * @v s_PXENV_FILE_OPEN::FileName URL of file to open - * @ret #PXENV_EXIT_SUCCESS File was opened - * @ret #PXENV_EXIT_FAILURE File was not opened - * @ret s_PXENV_FILE_OPEN::Status PXE status code - * @ret s_PXENV_FILE_OPEN::FileHandle Handle of opened file - * - */ -PXENV_EXIT_t pxenv_file_open ( struct s_PXENV_FILE_OPEN *file_open ) { - userptr_t filename; - size_t filename_len; - int fd; - - DBG ( "PXENV_FILE_OPEN" ); - - /* Copy name from external program, and open it */ - filename = real_to_user ( file_open->FileName.segment, - file_open->FileName.offset ); - filename_len = strlen_user ( filename, 0 ); - { - char uri_string[ filename_len + 1 ]; - - copy_from_user ( uri_string, filename, 0, - sizeof ( uri_string ) ); - DBG ( " %s", uri_string ); - fd = open ( uri_string ); - } - - if ( fd < 0 ) { - file_open->Status = PXENV_STATUS ( fd ); - return PXENV_EXIT_FAILURE; - } - - DBG ( " as file %d", fd ); - - file_open->FileHandle = fd; - file_open->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/** - * FILE CLOSE - * - * @v file_close Pointer to a struct s_PXENV_FILE_CLOSE - * @v s_PXENV_FILE_CLOSE::FileHandle File handle - * @ret #PXENV_EXIT_SUCCESS File was closed - * @ret #PXENV_EXIT_FAILURE File was not closed - * @ret s_PXENV_FILE_CLOSE::Status PXE status code - * - */ -PXENV_EXIT_t pxenv_file_close ( struct s_PXENV_FILE_CLOSE *file_close ) { - - DBG ( "PXENV_FILE_CLOSE %d", file_close->FileHandle ); - - close ( file_close->FileHandle ); - file_close->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/** - * FILE SELECT - * - * @v file_select Pointer to a struct s_PXENV_FILE_SELECT - * @v s_PXENV_FILE_SELECT::FileHandle File handle - * @ret #PXENV_EXIT_SUCCESS File has been checked for readiness - * @ret #PXENV_EXIT_FAILURE File has not been checked for readiness - * @ret s_PXENV_FILE_SELECT::Status PXE status code - * @ret s_PXENV_FILE_SELECT::Ready Indication of readiness - * - */ -PXENV_EXIT_t pxenv_file_select ( struct s_PXENV_FILE_SELECT *file_select ) { - fd_set fdset; - int ready; - - DBG ( "PXENV_FILE_SELECT %d", file_select->FileHandle ); - - FD_ZERO ( &fdset ); - FD_SET ( file_select->FileHandle, &fdset ); - if ( ( ready = select ( &fdset, 0 ) ) < 0 ) { - file_select->Status = PXENV_STATUS ( ready ); - return PXENV_EXIT_FAILURE; - } - - file_select->Ready = ( ready ? RDY_READ : 0 ); - file_select->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/** - * FILE READ - * - * @v file_read Pointer to a struct s_PXENV_FILE_READ - * @v s_PXENV_FILE_READ::FileHandle File handle - * @v s_PXENV_FILE_READ::BufferSize Size of data buffer - * @v s_PXENV_FILE_READ::Buffer Data buffer - * @ret #PXENV_EXIT_SUCCESS Data has been read from file - * @ret #PXENV_EXIT_FAILURE Data has not been read from file - * @ret s_PXENV_FILE_READ::Status PXE status code - * @ret s_PXENV_FILE_READ::Ready Indication of readiness - * @ret s_PXENV_FILE_READ::BufferSize Length of data read - * - */ -PXENV_EXIT_t pxenv_file_read ( struct s_PXENV_FILE_READ *file_read ) { - userptr_t buffer; - ssize_t len; - - DBG ( "PXENV_FILE_READ %d to %04x:%04x+%04x", file_read->FileHandle, - file_read->Buffer.segment, file_read->Buffer.offset, - file_read->BufferSize ); - - buffer = real_to_user ( file_read->Buffer.segment, - file_read->Buffer.offset ); - if ( ( len = read_user ( file_read->FileHandle, buffer, 0, - file_read->BufferSize ) ) < 0 ) { - file_read->Status = PXENV_STATUS ( len ); - return PXENV_EXIT_FAILURE; - } - - DBG ( " read %04zx", ( ( size_t ) len ) ); - - file_read->BufferSize = len; - file_read->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/** - * GET FILE SIZE - * - * @v get_file_size Pointer to a struct s_PXENV_GET_FILE_SIZE - * @v s_PXENV_GET_FILE_SIZE::FileHandle File handle - * @ret #PXENV_EXIT_SUCCESS File size has been determined - * @ret #PXENV_EXIT_FAILURE File size has not been determined - * @ret s_PXENV_GET_FILE_SIZE::Status PXE status code - * @ret s_PXENV_GET_FILE_SIZE::FileSize Size of file - */ -PXENV_EXIT_t pxenv_get_file_size ( struct s_PXENV_GET_FILE_SIZE - *get_file_size ) { - ssize_t filesize; - - DBG ( "PXENV_GET_FILE_SIZE %d", get_file_size->FileHandle ); - - filesize = fsize ( get_file_size->FileHandle ); - if ( filesize < 0 ) { - get_file_size->Status = PXENV_STATUS ( filesize ); - return PXENV_EXIT_FAILURE; - } - - DBG ( " is %zd", ( ( size_t ) filesize ) ); - - get_file_size->FileSize = filesize; - get_file_size->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/** - * FILE EXEC - * - * @v file_exec Pointer to a struct s_PXENV_FILE_EXEC - * @v s_PXENV_FILE_EXEC::Command Command to execute - * @ret #PXENV_EXIT_SUCCESS Command was executed successfully - * @ret #PXENV_EXIT_FAILURE Command was not executed successfully - * @ret s_PXENV_FILE_EXEC::Status PXE status code - * - */ -PXENV_EXIT_t pxenv_file_exec ( struct s_PXENV_FILE_EXEC *file_exec ) { - userptr_t command; - size_t command_len; - int rc; - - DBG ( "PXENV_FILE_EXEC" ); - - /* Copy name from external program, and exec it */ - command = real_to_user ( file_exec->Command.segment, - file_exec->Command.offset ); - command_len = strlen_user ( command, 0 ); - { - char command_string[ command_len + 1 ]; - - copy_from_user ( command_string, command, 0, - sizeof ( command_string ) ); - DBG ( " %s", command_string ); - - if ( ( rc = system ( command_string ) ) != 0 ) { - file_exec->Status = PXENV_STATUS ( rc ); - return PXENV_EXIT_FAILURE; - } - } - - file_exec->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -segoff_t __data16 ( pxe_exit_hook ) = { 0, 0 }; -#define pxe_exit_hook __use_data16 ( pxe_exit_hook ) - -/** - * FILE API CHECK - * - * @v file_exec Pointer to a struct s_PXENV_FILE_API_CHECK - * @v s_PXENV_FILE_API_CHECK::Magic Inbound magic number (0x91d447b2) - * @ret #PXENV_EXIT_SUCCESS Command was executed successfully - * @ret #PXENV_EXIT_FAILURE Command was not executed successfully - * @ret s_PXENV_FILE_API_CHECK::Status PXE status code - * @ret s_PXENV_FILE_API_CHECK::Magic Outbound magic number (0xe9c17b20) - * @ret s_PXENV_FILE_API_CHECK::Provider "gPXE" (0x45585067) - * @ret s_PXENV_FILE_API_CHECK::APIMask API function bitmask - * @ret s_PXENV_FILE_API_CHECK::Flags Reserved - * - */ -PXENV_EXIT_t pxenv_file_api_check ( struct s_PXENV_FILE_API_CHECK *file_api_check ) { - DBG ( "PXENV_FILE_API_CHECK" ); - - if ( file_api_check->Magic != 0x91d447b2 ) { - file_api_check->Status = PXENV_STATUS_BAD_FUNC; - return PXENV_EXIT_FAILURE; - } else if ( file_api_check->Size < - sizeof(struct s_PXENV_FILE_API_CHECK) ) { - file_api_check->Status = PXENV_STATUS_OUT_OF_RESOURCES; - return PXENV_EXIT_FAILURE; - } else { - file_api_check->Status = PXENV_STATUS_SUCCESS; - file_api_check->Size = sizeof(struct s_PXENV_FILE_API_CHECK); - file_api_check->Magic = 0xe9c17b20; - file_api_check->Provider = 0x45585067; /* "gPXE" */ - file_api_check->APIMask = 0x0000007f; /* Functions e0-e6 */ - /* Check to see if we have a PXE exit hook */ - if ( pxe_exit_hook.segment | pxe_exit_hook.offset ) - /* Function e7, also */ - file_api_check->APIMask |= 0x00000080; - file_api_check->Flags = 0; /* None defined */ - return PXENV_EXIT_SUCCESS; - } -} - -/** - * FILE EXIT HOOK - * - * @v file_exit_hook Pointer to a struct - * s_PXENV_FILE_EXIT_HOOK - * @v s_PXENV_FILE_EXIT_HOOK::Hook SEG16:OFF16 to jump to - * @ret #PXENV_EXIT_SUCCESS Successfully set hook - * @ret #PXENV_EXIT_FAILURE We're not an NBP build - * @ret s_PXENV_FILE_EXIT_HOOK::Status PXE status code - * - */ -PXENV_EXIT_t pxenv_file_exit_hook ( struct s_PXENV_FILE_EXIT_HOOK - *file_exit_hook ) { - DBG ( "PXENV_FILE_EXIT_HOOK" ); - - /* Check to see if we have a PXE exit hook */ - if ( pxe_exit_hook.segment | pxe_exit_hook.offset ) { - /* We'll jump to the specified SEG16:OFF16 during exit */ - pxe_exit_hook.segment = file_exit_hook->Hook.segment; - pxe_exit_hook.offset = file_exit_hook->Hook.offset; - file_exit_hook->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; - } - - DBG ( " not NBP" ); - file_exit_hook->Status = PXENV_STATUS_UNSUPPORTED; - return PXENV_EXIT_FAILURE; -} - diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_loader.c b/gpxe/src/arch/i386/interface/pxe/pxe_loader.c deleted file mode 100644 index b35caf77..00000000 --- a/gpxe/src/arch/i386/interface/pxe/pxe_loader.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include <gpxe/init.h> -#include "pxe.h" -#include "pxe_call.h" - -/** @file - * - * PXE UNDI loader - * - */ - -/* PXENV_UNDI_LOADER - * - */ -PXENV_EXIT_t undi_loader ( struct s_UNDI_LOADER *undi_loader ) { - - /* Perform one-time initialisation (e.g. heap) */ - initialise(); - - DBG ( "[PXENV_UNDI_LOADER to CS %04x DS %04x]", - undi_loader->UNDI_CS, undi_loader->UNDI_DS ); - - /* Fill in UNDI loader structure */ - undi_loader->PXEptr.segment = rm_cs; - undi_loader->PXEptr.offset = __from_text16 ( &ppxe ); - undi_loader->PXENVptr.segment = rm_cs; - undi_loader->PXENVptr.offset = __from_text16 ( &pxenv ); - - undi_loader->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_preboot.c b/gpxe/src/arch/i386/interface/pxe/pxe_preboot.c deleted file mode 100644 index 3939c7bf..00000000 --- a/gpxe/src/arch/i386/interface/pxe/pxe_preboot.c +++ /dev/null @@ -1,357 +0,0 @@ -/** @file - * - * PXE Preboot API - * - */ - -/* PXE API interface for Etherboot. - * - * Copyright (C) 2004 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include <stdint.h> -#include <string.h> -#include <stdlib.h> -#include <gpxe/uaccess.h> -#include <gpxe/dhcp.h> -#include <gpxe/fakedhcp.h> -#include <gpxe/device.h> -#include <gpxe/netdevice.h> -#include <gpxe/isapnp.h> -#include <gpxe/init.h> -#include <gpxe/if_ether.h> -#include <basemem_packet.h> -#include <biosint.h> -#include "pxe.h" -#include "pxe_call.h" - -/* Avoid dragging in isapnp.o unnecessarily */ -uint16_t isapnp_read_port; - -/** Zero-based versions of PXENV_GET_CACHED_INFO::PacketType */ -enum pxe_cached_info_indices { - CACHED_INFO_DHCPDISCOVER = ( PXENV_PACKET_TYPE_DHCP_DISCOVER - 1 ), - CACHED_INFO_DHCPACK = ( PXENV_PACKET_TYPE_DHCP_ACK - 1 ), - CACHED_INFO_BINL = ( PXENV_PACKET_TYPE_CACHED_REPLY - 1 ), - NUM_CACHED_INFOS -}; - -/** A cached DHCP packet */ -union pxe_cached_info { - struct dhcphdr dhcphdr; - /* This buffer must be *exactly* the size of a BOOTPLAYER_t - * structure, otherwise WinPE will die horribly. It takes the - * size of *our* buffer and feeds it in to us as the size of - * one of *its* buffers. If our buffer is larger than it - * expects, we therefore end up overwriting part of its data - * segment, since it tells us to do so. (D'oh!) - * - * Note that a BOOTPLAYER_t is not necessarily large enough to - * hold a DHCP packet; this is a flaw in the PXE spec. - */ - BOOTPLAYER_t packet; -} __attribute__ (( packed )); - -/** A PXE DHCP packet creator */ -struct pxe_dhcp_packet_creator { - /** Create DHCP packet - * - * @v netdev Network device - * @v data Buffer for DHCP packet - * @v max_len Size of DHCP packet buffer - * @ret rc Return status code - */ - int ( * create ) ( struct net_device *netdev, void *data, - size_t max_len ); -}; - -/** PXE DHCP packet creators */ -static struct pxe_dhcp_packet_creator pxe_dhcp_packet_creators[] = { - [CACHED_INFO_DHCPDISCOVER] = { create_fakedhcpdiscover }, - [CACHED_INFO_DHCPACK] = { create_fakedhcpack }, - [CACHED_INFO_BINL] = { create_fakepxebsack }, -}; - -/* The case in which the caller doesn't supply a buffer is really - * awkward to support given that we have multiple sources of options, - * and that we don't actually store the DHCP packets. (We may not - * even have performed DHCP; we may have obtained all configuration - * from non-volatile stored options or from the command line.) - * - * Some NBPs rely on the buffers we provide being persistent, so we - * can't just use the temporary packet buffer. 4.5kB of base memory - * always wasted just because some clients are too lazy to provide - * their own buffers... - */ -static union pxe_cached_info __bss16_array ( cached_info, [NUM_CACHED_INFOS] ); -#define cached_info __use_data16 ( cached_info ) - -/** - * Set PXE cached TFTP filename - * - * @v filename TFTP filename - * - * This is a bug-for-bug compatibility hack needed in order to work - * with Microsoft Remote Installation Services (RIS). The filename - * used in a call to PXENV_RESTART_TFTP or PXENV_TFTP_READ_FILE must - * be returned as the DHCP filename in subsequent calls to - * PXENV_GET_CACHED_INFO. - */ -void pxe_set_cached_filename ( const unsigned char *filename ) { - memcpy ( cached_info[CACHED_INFO_DHCPACK].dhcphdr.file, filename, - sizeof ( cached_info[CACHED_INFO_DHCPACK].dhcphdr.file ) ); - memcpy ( cached_info[CACHED_INFO_BINL].dhcphdr.file, filename, - sizeof ( cached_info[CACHED_INFO_BINL].dhcphdr.file ) ); -} - -/** - * UNLOAD BASE CODE STACK - * - * @v None - - * @ret ... - * - */ -PXENV_EXIT_t pxenv_unload_stack ( struct s_PXENV_UNLOAD_STACK *unload_stack ) { - DBG ( "PXENV_UNLOAD_STACK" ); - - unload_stack->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_GET_CACHED_INFO - * - * Status: working - */ -PXENV_EXIT_t pxenv_get_cached_info ( struct s_PXENV_GET_CACHED_INFO - *get_cached_info ) { - struct pxe_dhcp_packet_creator *creator; - union pxe_cached_info *info; - unsigned int idx; - size_t len; - userptr_t buffer; - int rc; - - DBG ( "PXENV_GET_CACHED_INFO %d", get_cached_info->PacketType ); - - DBG ( " to %04x:%04x+%x", get_cached_info->Buffer.segment, - get_cached_info->Buffer.offset, get_cached_info->BufferSize ); - - /* Sanity check */ - idx = ( get_cached_info->PacketType - 1 ); - if ( idx >= NUM_CACHED_INFOS ) { - DBG ( " bad PacketType" ); - goto err; - } - info = &cached_info[idx]; - - /* Construct cached version of packet, if not already constructed. */ - if ( ! info->dhcphdr.op ) { - /* Construct DHCP packet */ - creator = &pxe_dhcp_packet_creators[idx]; - if ( ( rc = creator->create ( pxe_netdev, info, - sizeof ( *info ) ) ) != 0 ) { - DBG ( " failed to build packet" ); - goto err; - } - } - - len = get_cached_info->BufferSize; - if ( len == 0 ) { - /* Point client at our cached buffer. - * - * To add to the fun, Intel decided at some point in - * the evolution of the PXE specification to add the - * BufferLimit field, which we are meant to fill in - * with the length of our packet buffer, so that the - * caller can safely modify the boot server reply - * packet stored therein. However, this field was not - * present in earlier versions of the PXE spec, and - * there is at least one PXE NBP (Altiris) which - * allocates only exactly enough space for this - * earlier, shorter version of the structure. If we - * actually fill in the BufferLimit field, we - * therefore risk trashing random areas of the - * caller's memory. If we *don't* fill it in, then - * the caller is at liberty to assume that whatever - * random value happened to be in that location - * represents the length of the buffer we've just - * passed back to it. - * - * Since older PXE stacks won't fill this field in - * anyway, it's probably safe to assume that no - * callers actually rely on it, so we choose to not - * fill it in. - */ - get_cached_info->Buffer.segment = rm_ds; - get_cached_info->Buffer.offset = __from_data16 ( info ); - get_cached_info->BufferSize = sizeof ( *info ); - DBG ( " returning %04x:%04x+%04x['%x']", - get_cached_info->Buffer.segment, - get_cached_info->Buffer.offset, - get_cached_info->BufferSize, - get_cached_info->BufferLimit ); - } else { - /* Copy packet to client buffer */ - if ( len > sizeof ( *info ) ) - len = sizeof ( *info ); - if ( len < sizeof ( *info ) ) - DBG ( " buffer may be too short" ); - buffer = real_to_user ( get_cached_info->Buffer.segment, - get_cached_info->Buffer.offset ); - copy_to_user ( buffer, 0, info, len ); - get_cached_info->BufferSize = len; - } - - get_cached_info->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; - - err: - get_cached_info->Status = PXENV_STATUS_OUT_OF_RESOURCES; - return PXENV_EXIT_FAILURE; -} - -/* PXENV_RESTART_TFTP - * - * Status: working - */ -PXENV_EXIT_t pxenv_restart_tftp ( struct s_PXENV_TFTP_READ_FILE - *restart_tftp ) { - PXENV_EXIT_t tftp_exit; - - DBG ( "PXENV_RESTART_TFTP " ); - - /* Intel bug-for-bug hack */ - pxe_set_cached_filename ( restart_tftp->FileName ); - - /* Words cannot describe the complete mismatch between the PXE - * specification and any possible version of reality... - */ - restart_tftp->Buffer = PXE_LOAD_PHYS; /* Fixed by spec, apparently */ - restart_tftp->BufferSize = ( 0xa0000 - PXE_LOAD_PHYS ); /* Near enough */ - tftp_exit = pxenv_tftp_read_file ( restart_tftp ); - if ( tftp_exit != PXENV_EXIT_SUCCESS ) - return tftp_exit; - - /* Fire up the new NBP */ - restart_tftp->Status = pxe_start_nbp(); - - /* Not sure what "SUCCESS" actually means, since we can only - * return if the new NBP failed to boot... - */ - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_START_UNDI - * - * Status: working - */ -PXENV_EXIT_t pxenv_start_undi ( struct s_PXENV_START_UNDI *start_undi ) { - unsigned int bus_type; - unsigned int location; - struct net_device *netdev; - - DBG ( "PXENV_START_UNDI %04x:%04x:%04x", - start_undi->AX, start_undi->BX, start_undi->DX ); - - /* Determine bus type and location. Use a heuristic to decide - * whether we are PCI or ISAPnP - */ - if ( ( start_undi->DX >= ISAPNP_READ_PORT_MIN ) && - ( start_undi->DX <= ISAPNP_READ_PORT_MAX ) && - ( start_undi->BX >= ISAPNP_CSN_MIN ) && - ( start_undi->BX <= ISAPNP_CSN_MAX ) ) { - bus_type = BUS_TYPE_ISAPNP; - location = start_undi->BX; - /* Record ISAPnP read port for use by isapnp.c */ - isapnp_read_port = start_undi->DX; - } else { - bus_type = BUS_TYPE_PCI; - location = start_undi->AX; - } - - /* Probe for devices, etc. */ - startup(); - - /* Look for a matching net device */ - netdev = find_netdev_by_location ( bus_type, location ); - if ( ! netdev ) { - DBG ( " no net device found" ); - start_undi->Status = PXENV_STATUS_UNDI_CANNOT_INITIALIZE_NIC; - return PXENV_EXIT_FAILURE; - } - DBG ( " using netdev %s", netdev->name ); - - /* Activate PXE */ - pxe_activate ( netdev ); - - start_undi->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_STOP_UNDI - * - * Status: working - */ -PXENV_EXIT_t pxenv_stop_undi ( struct s_PXENV_STOP_UNDI *stop_undi ) { - DBG ( "PXENV_STOP_UNDI" ); - - /* Deactivate PXE */ - pxe_deactivate(); - - /* Prepare for unload */ - shutdown ( SHUTDOWN_BOOT ); - - /* Check to see if we still have any hooked interrupts */ - if ( hooked_bios_interrupts != 0 ) { - DBG ( "PXENV_STOP_UNDI failed: %d interrupts still hooked\n", - hooked_bios_interrupts ); - stop_undi->Status = PXENV_STATUS_KEEP_UNDI; - return PXENV_EXIT_FAILURE; - } - - stop_undi->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_START_BASE - * - * Status: won't implement (requires major structural changes) - */ -PXENV_EXIT_t pxenv_start_base ( struct s_PXENV_START_BASE *start_base ) { - DBG ( "PXENV_START_BASE" ); - - start_base->Status = PXENV_STATUS_UNSUPPORTED; - return PXENV_EXIT_FAILURE; -} - -/* PXENV_STOP_BASE - * - * Status: working - */ -PXENV_EXIT_t pxenv_stop_base ( struct s_PXENV_STOP_BASE *stop_base ) { - DBG ( "PXENV_STOP_BASE" ); - - /* The only time we will be called is when the NBP is trying - * to shut down the PXE stack. There's nothing we need to do - * in this call. - */ - - stop_base->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_tftp.c b/gpxe/src/arch/i386/interface/pxe/pxe_tftp.c deleted file mode 100644 index 0e3ca3c5..00000000 --- a/gpxe/src/arch/i386/interface/pxe/pxe_tftp.c +++ /dev/null @@ -1,586 +0,0 @@ -/** @file - * - * PXE TFTP API - * - */ - -/* - * Copyright (C) 2004 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include <stdlib.h> -#include <stdio.h> -#include <errno.h> -#include <byteswap.h> -#include <gpxe/uaccess.h> -#include <gpxe/in.h> -#include <gpxe/tftp.h> -#include <gpxe/xfer.h> -#include <gpxe/open.h> -#include <gpxe/process.h> -#include <pxe.h> - -/** A PXE TFTP connection */ -struct pxe_tftp_connection { - /** Data transfer interface */ - struct xfer_interface xfer; - /** Data buffer */ - userptr_t buffer; - /** Size of data buffer */ - size_t size; - /** Starting offset of data buffer */ - size_t start; - /** File position */ - size_t offset; - /** Maximum file position */ - size_t max_offset; - /** Block size */ - size_t blksize; - /** Block index */ - unsigned int blkidx; - /** Overall return status code */ - int rc; -}; - -/** The PXE TFTP connection */ -static struct pxe_tftp_connection pxe_tftp = { - .xfer = XFER_INIT ( &null_xfer_ops ), -}; - -/** - * Close PXE TFTP connection - * - * @v rc Final status code - */ -static void pxe_tftp_close ( int rc ) { - xfer_nullify ( &pxe_tftp.xfer ); - xfer_close ( &pxe_tftp.xfer, rc ); - pxe_tftp.rc = rc; -} - -/** - * Receive new data - * - * @v xfer Data transfer interface - * @v iobuf I/O buffer - * @v meta Transfer metadata - * @ret rc Return status code - */ -static int pxe_tftp_xfer_deliver_iob ( struct xfer_interface *xfer __unused, - struct io_buffer *iobuf, - struct xfer_metadata *meta ) { - size_t len = iob_len ( iobuf ); - int rc = 0; - - /* Calculate new buffer position */ - if ( meta->whence != SEEK_CUR ) - pxe_tftp.offset = 0; - pxe_tftp.offset += meta->offset; - - /* Copy data block to buffer */ - if ( len == 0 ) { - /* No data (pure seek); treat as success */ - } else if ( pxe_tftp.offset < pxe_tftp.start ) { - DBG ( " buffer underrun at %zx (min %zx)", - pxe_tftp.offset, pxe_tftp.start ); - rc = -ENOBUFS; - } else if ( ( pxe_tftp.offset + len ) > - ( pxe_tftp.start + pxe_tftp.size ) ) { - DBG ( " buffer overrun at %zx (max %zx)", - ( pxe_tftp.offset + len ), - ( pxe_tftp.start + pxe_tftp.size ) ); - rc = -ENOBUFS; - } else { - copy_to_user ( pxe_tftp.buffer, - ( pxe_tftp.offset - pxe_tftp.start ), - iobuf->data, len ); - } - - /* Calculate new buffer position */ - pxe_tftp.offset += len; - - /* Record maximum offset as the file size */ - if ( pxe_tftp.max_offset < pxe_tftp.offset ) - pxe_tftp.max_offset = pxe_tftp.offset; - - /* Terminate transfer on error */ - if ( rc != 0 ) - pxe_tftp_close ( rc ); - - free_iob ( iobuf ); - return rc; -} - -/** - * Handle close() event - * - * @v xfer Data transfer interface - * @v rc Reason for close - */ -static void pxe_tftp_xfer_close ( struct xfer_interface *xfer __unused, - int rc ) { - pxe_tftp_close ( rc ); -} - -static struct xfer_interface_operations pxe_tftp_xfer_ops = { - .close = pxe_tftp_xfer_close, - .vredirect = xfer_vreopen, - .window = unlimited_xfer_window, - .alloc_iob = default_xfer_alloc_iob, - .deliver_iob = pxe_tftp_xfer_deliver_iob, - .deliver_raw = xfer_deliver_as_iob, -}; - -/** - * Maximum length of a PXE TFTP URI - * - * The PXE TFTP API provides 128 characters for the filename; the - * extra 128 bytes allow for the remainder of the URI. - */ -#define PXE_TFTP_URI_LEN 256 - -/** - * Open PXE TFTP connection - * - * @v ipaddress IP address - * @v port TFTP server port - * @v filename File name - * @v blksize Requested block size - * @ret rc Return status code - */ -static int pxe_tftp_open ( uint32_t ipaddress, unsigned int port, - const unsigned char *filename, size_t blksize, - int sizeonly ) { - char uri_string[PXE_TFTP_URI_LEN]; - struct in_addr address; - int rc; - - /* Intel bug-for-bug hack */ - pxe_set_cached_filename ( filename ); - - /* Reset PXE TFTP connection structure */ - memset ( &pxe_tftp, 0, sizeof ( pxe_tftp ) ); - xfer_init ( &pxe_tftp.xfer, &pxe_tftp_xfer_ops, NULL ); - pxe_tftp.rc = -EINPROGRESS; - - /* Construct URI string */ - address.s_addr = ipaddress; - if ( ! port ) - port = htons ( TFTP_PORT ); - if ( blksize < TFTP_DEFAULT_BLKSIZE ) - blksize = TFTP_DEFAULT_BLKSIZE; - snprintf ( uri_string, sizeof ( uri_string ), - "tftp%s://%s:%d%s%s?blksize=%zd", - sizeonly ? "size" : "", - inet_ntoa ( address ), ntohs ( port ), - ( ( filename[0] == '/' ) ? "" : "/" ), filename, blksize ); - DBG ( " %s", uri_string ); - - /* Open PXE TFTP connection */ - if ( ( rc = xfer_open_uri_string ( &pxe_tftp.xfer, - uri_string ) ) != 0 ) { - DBG ( " could not open (%s)\n", strerror ( rc ) ); - return rc; - } - - return 0; -} - -/** - * TFTP OPEN - * - * @v tftp_open Pointer to a struct s_PXENV_TFTP_OPEN - * @v s_PXENV_TFTP_OPEN::ServerIPAddress TFTP server IP address - * @v s_PXENV_TFTP_OPEN::GatewayIPAddress Relay agent IP address, or 0.0.0.0 - * @v s_PXENV_TFTP_OPEN::FileName Name of file to open - * @v s_PXENV_TFTP_OPEN::TFTPPort TFTP server UDP port - * @v s_PXENV_TFTP_OPEN::PacketSize TFTP blksize option to request - * @ret #PXENV_EXIT_SUCCESS File was opened - * @ret #PXENV_EXIT_FAILURE File was not opened - * @ret s_PXENV_TFTP_OPEN::Status PXE status code - * @ret s_PXENV_TFTP_OPEN::PacketSize Negotiated blksize - * @err #PXENV_STATUS_TFTP_INVALID_PACKET_SIZE Requested blksize too small - * - * Opens a TFTP connection for downloading a file a block at a time - * using pxenv_tftp_read(). - * - * If s_PXENV_TFTP_OPEN::GatewayIPAddress is 0.0.0.0, normal IP - * routing will take place. See the relevant - * @ref pxe_routing "implementation note" for more details. - * - * On x86, you must set the s_PXE::StatusCallout field to a nonzero - * value before calling this function in protected mode. You cannot - * call this function with a 32-bit stack segment. (See the relevant - * @ref pxe_x86_pmode16 "implementation note" for more details.) - * - * @note According to the PXE specification version 2.1, this call - * "opens a file for reading/writing", though how writing is to be - * achieved without the existence of an API call %pxenv_tftp_write() - * is not made clear. - * - * @note Despite the existence of the numerous statements within the - * PXE specification of the form "...if a TFTP/MTFTP or UDP connection - * is active...", you cannot use pxenv_tftp_open() and - * pxenv_tftp_read() to read a file via MTFTP; only via plain old - * TFTP. If you want to use MTFTP, use pxenv_tftp_read_file() - * instead. Astute readers will note that, since - * pxenv_tftp_read_file() is an atomic operation from the point of - * view of the PXE API, it is conceptually impossible to issue any - * other PXE API call "if an MTFTP connection is active". - */ -PXENV_EXIT_t pxenv_tftp_open ( struct s_PXENV_TFTP_OPEN *tftp_open ) { - int rc; - - DBG ( "PXENV_TFTP_OPEN" ); - - /* Guard against callers that fail to close before re-opening */ - pxe_tftp_close ( 0 ); - - /* Open connection */ - if ( ( rc = pxe_tftp_open ( tftp_open->ServerIPAddress, - tftp_open->TFTPPort, - tftp_open->FileName, - tftp_open->PacketSize, - 0) ) != 0 ) { - tftp_open->Status = PXENV_STATUS ( rc ); - return PXENV_EXIT_FAILURE; - } - - /* Wait for OACK to arrive so that we have the block size */ - while ( ( ( rc = pxe_tftp.rc ) == -EINPROGRESS ) && - ( pxe_tftp.max_offset == 0 ) ) { - step(); - } - pxe_tftp.blksize = xfer_window ( &pxe_tftp.xfer ); - tftp_open->PacketSize = pxe_tftp.blksize; - DBG ( " blksize=%d", tftp_open->PacketSize ); - - /* EINPROGRESS is normal; we don't wait for the whole transfer */ - if ( rc == -EINPROGRESS ) - rc = 0; - - tftp_open->Status = PXENV_STATUS ( rc ); - return ( rc ? PXENV_EXIT_FAILURE : PXENV_EXIT_SUCCESS ); -} - -/** - * TFTP CLOSE - * - * @v tftp_close Pointer to a struct s_PXENV_TFTP_CLOSE - * @ret #PXENV_EXIT_SUCCESS File was closed successfully - * @ret #PXENV_EXIT_FAILURE File was not closed - * @ret s_PXENV_TFTP_CLOSE::Status PXE status code - * @err None - - * - * Close a connection previously opened with pxenv_tftp_open(). You - * must have previously opened a connection with pxenv_tftp_open(). - * - * On x86, you must set the s_PXE::StatusCallout field to a nonzero - * value before calling this function in protected mode. You cannot - * call this function with a 32-bit stack segment. (See the relevant - * @ref pxe_x86_pmode16 "implementation note" for more details.) - */ -PXENV_EXIT_t pxenv_tftp_close ( struct s_PXENV_TFTP_CLOSE *tftp_close ) { - DBG ( "PXENV_TFTP_CLOSE" ); - - pxe_tftp_close ( 0 ); - tftp_close->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/** - * TFTP READ - * - * @v tftp_read Pointer to a struct s_PXENV_TFTP_READ - * @v s_PXENV_TFTP_READ::Buffer Address of data buffer - * @ret #PXENV_EXIT_SUCCESS Data was read successfully - * @ret #PXENV_EXIT_FAILURE Data was not read - * @ret s_PXENV_TFTP_READ::Status PXE status code - * @ret s_PXENV_TFTP_READ::PacketNumber TFTP packet number - * @ret s_PXENV_TFTP_READ::BufferSize Length of data written into buffer - * - * Reads a single packet from a connection previously opened with - * pxenv_tftp_open() into the data buffer pointed to by - * s_PXENV_TFTP_READ::Buffer. You must have previously opened a - * connection with pxenv_tftp_open(). The data written into - * s_PXENV_TFTP_READ::Buffer is just the file data; the various - * network headers have already been removed. - * - * The buffer must be large enough to contain a packet of the size - * negotiated via the s_PXENV_TFTP_OPEN::PacketSize field in the - * pxenv_tftp_open() call. It is worth noting that the PXE - * specification does @b not require the caller to fill in - * s_PXENV_TFTP_READ::BufferSize before calling pxenv_tftp_read(), so - * the PXE stack is free to ignore whatever value the caller might - * place there and just assume that the buffer is large enough. That - * said, it may be worth the caller always filling in - * s_PXENV_TFTP_READ::BufferSize to guard against PXE stacks that - * mistake it for an input parameter. - * - * The length of the TFTP data packet will be returned via - * s_PXENV_TFTP_READ::BufferSize. If this length is less than the - * blksize negotiated via s_PXENV_TFTP_OPEN::PacketSize in the call to - * pxenv_tftp_open(), this indicates that the block is the last block - * in the file. Note that zero is a valid length for - * s_PXENV_TFTP_READ::BufferSize, and will occur when the length of - * the file is a multiple of the blksize. - * - * The PXE specification doesn't actually state that calls to - * pxenv_tftp_read() will return the data packets in strict sequential - * order, though most PXE stacks will probably do so. The sequence - * number of the packet will be returned in - * s_PXENV_TFTP_READ::PacketNumber. The first packet in the file has - * a sequence number of one, not zero. - * - * To guard against flawed PXE stacks, the caller should probably set - * s_PXENV_TFTP_READ::PacketNumber to one less than the expected - * returned value (i.e. set it to zero for the first call to - * pxenv_tftp_read() and then re-use the returned s_PXENV_TFTP_READ - * parameter block for subsequent calls without modifying - * s_PXENV_TFTP_READ::PacketNumber between calls). The caller should - * also guard against potential problems caused by flawed - * implementations returning the occasional duplicate packet, by - * checking that the value returned in s_PXENV_TFTP_READ::PacketNumber - * is as expected (i.e. one greater than that returned from the - * previous call to pxenv_tftp_read()). - * - * On x86, you must set the s_PXE::StatusCallout field to a nonzero - * value before calling this function in protected mode. You cannot - * call this function with a 32-bit stack segment. (See the relevant - * @ref pxe_x86_pmode16 "implementation note" for more details.) - */ -PXENV_EXIT_t pxenv_tftp_read ( struct s_PXENV_TFTP_READ *tftp_read ) { - int rc; - - DBG ( "PXENV_TFTP_READ to %04x:%04x", - tftp_read->Buffer.segment, tftp_read->Buffer.offset ); - - /* Read single block into buffer */ - pxe_tftp.buffer = real_to_user ( tftp_read->Buffer.segment, - tftp_read->Buffer.offset ); - pxe_tftp.size = pxe_tftp.blksize; - pxe_tftp.start = pxe_tftp.offset; - while ( ( ( rc = pxe_tftp.rc ) == -EINPROGRESS ) && - ( pxe_tftp.offset == pxe_tftp.start ) ) - step(); - pxe_tftp.buffer = UNULL; - tftp_read->BufferSize = ( pxe_tftp.offset - pxe_tftp.start ); - tftp_read->PacketNumber = ++pxe_tftp.blkidx; - - /* EINPROGRESS is normal if we haven't reached EOF yet */ - if ( rc == -EINPROGRESS ) - rc = 0; - - tftp_read->Status = PXENV_STATUS ( rc ); - return ( rc ? PXENV_EXIT_FAILURE : PXENV_EXIT_SUCCESS ); -} - -/** - * TFTP/MTFTP read file - * - * @v tftp_read_file Pointer to a struct s_PXENV_TFTP_READ_FILE - * @v s_PXENV_TFTP_READ_FILE::FileName File name - * @v s_PXENV_TFTP_READ_FILE::BufferSize Size of the receive buffer - * @v s_PXENV_TFTP_READ_FILE::Buffer Address of the receive buffer - * @v s_PXENV_TFTP_READ_FILE::ServerIPAddress TFTP server IP address - * @v s_PXENV_TFTP_READ_FILE::GatewayIPAddress Relay agent IP address - * @v s_PXENV_TFTP_READ_FILE::McastIPAddress File's multicast IP address - * @v s_PXENV_TFTP_READ_FILE::TFTPClntPort Client multicast UDP port - * @v s_PXENV_TFTP_READ_FILE::TFTPSrvPort Server multicast UDP port - * @v s_PXENV_TFTP_READ_FILE::TFTPOpenTimeOut Time to wait for first packet - * @v s_PXENV_TFTP_READ_FILE::TFTPReopenDelay MTFTP inactivity timeout - * @ret #PXENV_EXIT_SUCCESS File downloaded successfully - * @ret #PXENV_EXIT_FAILURE File not downloaded - * @ret s_PXENV_TFTP_READ_FILE::Status PXE status code - * @ret s_PXENV_TFTP_READ_FILE::BufferSize Length of downloaded file - * - * Downloads an entire file via either TFTP or MTFTP into the buffer - * pointed to by s_PXENV_TFTP_READ_FILE::Buffer. - * - * The PXE specification does not make it clear how the caller - * requests that MTFTP be used rather than TFTP (or vice versa). One - * reasonable guess is that setting - * s_PXENV_TFTP_READ_FILE::McastIPAddress to 0.0.0.0 would cause TFTP - * to be used instead of MTFTP, though it is conceivable that some PXE - * stacks would interpret that as "use the DHCP-provided multicast IP - * address" instead. Some PXE stacks will not implement MTFTP at all, - * and will always use TFTP. - * - * It is not specified whether or not - * s_PXENV_TFTP_READ_FILE::TFTPSrvPort will be used as the TFTP server - * port for TFTP (rather than MTFTP) downloads. Callers should assume - * that the only way to access a TFTP server on a non-standard port is - * to use pxenv_tftp_open() and pxenv_tftp_read(). - * - * If s_PXENV_TFTP_READ_FILE::GatewayIPAddress is 0.0.0.0, normal IP - * routing will take place. See the relevant - * @ref pxe_routing "implementation note" for more details. - * - * It is interesting to note that s_PXENV_TFTP_READ_FILE::Buffer is an - * #ADDR32_t type, i.e. nominally a flat physical address. Some PXE - * NBPs (e.g. NTLDR) are known to call pxenv_tftp_read_file() in real - * mode with s_PXENV_TFTP_READ_FILE::Buffer set to an address above - * 1MB. This means that PXE stacks must be prepared to write to areas - * outside base memory. Exactly how this is to be achieved is not - * specified, though using INT 15,87 is as close to a standard method - * as any, and should probably be used. Switching to protected-mode - * in order to access high memory will fail if pxenv_tftp_read_file() - * is called in V86 mode; it is reasonably to expect that a V86 - * monitor would intercept the relatively well-defined INT 15,87 if it - * wants the PXE stack to be able to write to high memory. - * - * Things get even more interesting if pxenv_tftp_read_file() is - * called in protected mode, because there is then absolutely no way - * for the PXE stack to write to an absolute physical address. You - * can't even get around the problem by creating a special "access - * everything" segment in the s_PXE data structure, because the - * #SEGDESC_t descriptors are limited to 64kB in size. - * - * Previous versions of the PXE specification (e.g. WfM 1.1a) provide - * a separate API call, %pxenv_tftp_read_file_pmode(), specifically to - * work around this problem. The s_PXENV_TFTP_READ_FILE_PMODE - * parameter block splits s_PXENV_TFTP_READ_FILE::Buffer into - * s_PXENV_TFTP_READ_FILE_PMODE::BufferSelector and - * s_PXENV_TFTP_READ_FILE_PMODE::BufferOffset, i.e. it provides a - * protected-mode segment:offset address for the data buffer. This - * API call is no longer present in version 2.1 of the PXE - * specification. - * - * Etherboot makes the assumption that s_PXENV_TFTP_READ_FILE::Buffer - * is an offset relative to the caller's data segment, when - * pxenv_tftp_read_file() is called in protected mode. - * - * On x86, you must set the s_PXE::StatusCallout field to a nonzero - * value before calling this function in protected mode. You cannot - * call this function with a 32-bit stack segment. (See the relevant - * @ref pxe_x86_pmode16 "implementation note" for more details.) - * - * @note Microsoft's NTLDR assumes that the filename passed in via - * s_PXENV_TFTP_READ_FILE::FileName will be stored in the "file" field - * of the stored DHCPACK packet, whence it will be returned via any - * subsequent calls to pxenv_get_cached_info(). Though this is - * essentially a bug in the Intel PXE implementation (not, for once, - * in the specification!), it is a bug that Microsoft relies upon, and - * so we implement this bug-for-bug compatibility by overwriting the - * filename stored DHCPACK packet with the filename passed in - * s_PXENV_TFTP_READ_FILE::FileName. - * - */ -PXENV_EXIT_t pxenv_tftp_read_file ( struct s_PXENV_TFTP_READ_FILE - *tftp_read_file ) { - int rc; - - DBG ( "PXENV_TFTP_READ_FILE to %08x+%x", tftp_read_file->Buffer, - tftp_read_file->BufferSize ); - - /* Open TFTP file */ - if ( ( rc = pxe_tftp_open ( tftp_read_file->ServerIPAddress, 0, - tftp_read_file->FileName, 0, 0 ) ) != 0 ) { - tftp_read_file->Status = PXENV_STATUS ( rc ); - return PXENV_EXIT_FAILURE; - } - - /* Read entire file */ - pxe_tftp.buffer = phys_to_user ( tftp_read_file->Buffer ); - pxe_tftp.size = tftp_read_file->BufferSize; - while ( ( rc = pxe_tftp.rc ) == -EINPROGRESS ) - step(); - pxe_tftp.buffer = UNULL; - tftp_read_file->BufferSize = pxe_tftp.max_offset; - - /* Close TFTP file */ - pxe_tftp_close ( rc ); - - tftp_read_file->Status = PXENV_STATUS ( rc ); - return ( rc ? PXENV_EXIT_FAILURE : PXENV_EXIT_SUCCESS ); -} - -/** - * TFTP GET FILE SIZE - * - * @v tftp_get_fsize Pointer to a struct s_PXENV_TFTP_GET_FSIZE - * @v s_PXENV_TFTP_GET_FSIZE::ServerIPAddress TFTP server IP address - * @v s_PXENV_TFTP_GET_FSIZE::GatewayIPAddress Relay agent IP address - * @v s_PXENV_TFTP_GET_FSIZE::FileName File name - * @ret #PXENV_EXIT_SUCCESS File size was determined successfully - * @ret #PXENV_EXIT_FAILURE File size was not determined - * @ret s_PXENV_TFTP_GET_FSIZE::Status PXE status code - * @ret s_PXENV_TFTP_GET_FSIZE::FileSize File size - * - * Determine the size of a file on a TFTP server. This uses the - * "tsize" TFTP option, and so will not work with a TFTP server that - * does not support TFTP options, or that does not support the "tsize" - * option. - * - * The PXE specification states that this API call will @b not open a - * TFTP connection for subsequent use with pxenv_tftp_read(). (This - * is somewhat daft, since the only way to obtain the file size via - * the "tsize" option involves issuing a TFTP open request, but that's - * life.) - * - * You cannot call pxenv_tftp_get_fsize() while a TFTP or UDP - * connection is open. - * - * If s_PXENV_TFTP_GET_FSIZE::GatewayIPAddress is 0.0.0.0, normal IP - * routing will take place. See the relevant - * @ref pxe_routing "implementation note" for more details. - * - * On x86, you must set the s_PXE::StatusCallout field to a nonzero - * value before calling this function in protected mode. You cannot - * call this function with a 32-bit stack segment. (See the relevant - * @ref pxe_x86_pmode16 "implementation note" for more details.) - * - * @note There is no way to specify the TFTP server port with this API - * call. Though you can open a file using a non-standard TFTP server - * port (via s_PXENV_TFTP_OPEN::TFTPPort or, potentially, - * s_PXENV_TFTP_READ_FILE::TFTPSrvPort), you can only get the size of - * a file from a TFTP server listening on the standard TFTP port. - * "Consistency" is not a word in Intel's vocabulary. - */ -PXENV_EXIT_t pxenv_tftp_get_fsize ( struct s_PXENV_TFTP_GET_FSIZE - *tftp_get_fsize ) { - int rc; - - DBG ( "PXENV_TFTP_GET_FSIZE" ); - - /* Open TFTP file */ - if ( ( rc = pxe_tftp_open ( tftp_get_fsize->ServerIPAddress, 0, - tftp_get_fsize->FileName, 0, 1 ) ) != 0 ) { - tftp_get_fsize->Status = PXENV_STATUS ( rc ); - return PXENV_EXIT_FAILURE; - } - - /* Wait for initial seek to arrive, and record size */ - while ( ( ( rc = pxe_tftp.rc ) == -EINPROGRESS ) && - ( pxe_tftp.max_offset == 0 ) ) { - step(); - } - tftp_get_fsize->FileSize = pxe_tftp.max_offset; - DBG ( " fsize=%d", tftp_get_fsize->FileSize ); - - /* EINPROGRESS is normal; we don't wait for the whole transfer */ - if ( rc == -EINPROGRESS ) - rc = 0; - - /* Close TFTP file */ - pxe_tftp_close ( rc ); - - tftp_get_fsize->Status = PXENV_STATUS ( rc ); - return ( rc ? PXENV_EXIT_FAILURE : PXENV_EXIT_SUCCESS ); -} diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_udp.c b/gpxe/src/arch/i386/interface/pxe/pxe_udp.c deleted file mode 100644 index f4702201..00000000 --- a/gpxe/src/arch/i386/interface/pxe/pxe_udp.c +++ /dev/null @@ -1,405 +0,0 @@ -/** @file - * - * PXE UDP API - * - */ - -#include <string.h> -#include <byteswap.h> -#include <gpxe/xfer.h> -#include <gpxe/udp.h> -#include <gpxe/uaccess.h> -#include <gpxe/process.h> -#include <pxe.h> - -/* - * Copyright (C) 2004 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -/** A PXE UDP connection */ -struct pxe_udp_connection { - /** Data transfer interface to UDP stack */ - struct xfer_interface xfer; - /** Local address */ - struct sockaddr_in local; - /** Current PXENV_UDP_READ parameter block */ - struct s_PXENV_UDP_READ *pxenv_udp_read; -}; - -/** - * Receive PXE UDP data - * - * @v xfer Data transfer interface - * @v iobuf I/O buffer - * @v meta Data transfer metadata - * @ret rc Return status code - * - * Receives a packet as part of the current pxenv_udp_read() - * operation. - */ -static int pxe_udp_deliver_iob ( struct xfer_interface *xfer, - struct io_buffer *iobuf, - struct xfer_metadata *meta ) { - struct pxe_udp_connection *pxe_udp = - container_of ( xfer, struct pxe_udp_connection, xfer ); - struct s_PXENV_UDP_READ *pxenv_udp_read = pxe_udp->pxenv_udp_read; - struct sockaddr_in *sin_src; - struct sockaddr_in *sin_dest; - userptr_t buffer; - size_t len; - int rc = 0; - - if ( ! pxenv_udp_read ) { - DBG ( "PXE discarded UDP packet\n" ); - rc = -ENOBUFS; - goto done; - } - - /* Copy packet to buffer and record length */ - buffer = real_to_user ( pxenv_udp_read->buffer.segment, - pxenv_udp_read->buffer.offset ); - len = iob_len ( iobuf ); - if ( len > pxenv_udp_read->buffer_size ) - len = pxenv_udp_read->buffer_size; - copy_to_user ( buffer, 0, iobuf->data, len ); - pxenv_udp_read->buffer_size = len; - - /* Fill in source/dest information */ - assert ( meta ); - sin_src = ( struct sockaddr_in * ) meta->src; - assert ( sin_src ); - assert ( sin_src->sin_family == AF_INET ); - pxenv_udp_read->src_ip = sin_src->sin_addr.s_addr; - pxenv_udp_read->s_port = sin_src->sin_port; - sin_dest = ( struct sockaddr_in * ) meta->dest; - assert ( sin_dest ); - assert ( sin_dest->sin_family == AF_INET ); - pxenv_udp_read->dest_ip = sin_dest->sin_addr.s_addr; - pxenv_udp_read->d_port = sin_dest->sin_port; - - /* Mark as received */ - pxe_udp->pxenv_udp_read = NULL; - - done: - free_iob ( iobuf ); - return rc; -} - -/** PXE UDP data transfer interface operations */ -static struct xfer_interface_operations pxe_udp_xfer_operations = { - .close = ignore_xfer_close, - .vredirect = ignore_xfer_vredirect, - .window = unlimited_xfer_window, - .alloc_iob = default_xfer_alloc_iob, - .deliver_iob = pxe_udp_deliver_iob, - .deliver_raw = xfer_deliver_as_iob, -}; - -/** The PXE UDP connection */ -static struct pxe_udp_connection pxe_udp = { - .xfer = XFER_INIT ( &pxe_udp_xfer_operations ), - .local = { - .sin_family = AF_INET, - }, -}; - -/** - * UDP OPEN - * - * @v pxenv_udp_open Pointer to a struct s_PXENV_UDP_OPEN - * @v s_PXENV_UDP_OPEN::src_ip IP address of this station, or 0.0.0.0 - * @ret #PXENV_EXIT_SUCCESS Always - * @ret s_PXENV_UDP_OPEN::Status PXE status code - * @err #PXENV_STATUS_UDP_OPEN UDP connection already open - * @err #PXENV_STATUS_OUT_OF_RESOURCES Could not open connection - * - * Prepares the PXE stack for communication using pxenv_udp_write() - * and pxenv_udp_read(). - * - * The IP address supplied in s_PXENV_UDP_OPEN::src_ip will be - * recorded and used as the local station's IP address for all further - * communication, including communication by means other than - * pxenv_udp_write() and pxenv_udp_read(). (If - * s_PXENV_UDP_OPEN::src_ip is 0.0.0.0, the local station's IP address - * will remain unchanged.) - * - * You can only have one open UDP connection at a time. This is not a - * meaningful restriction, since pxenv_udp_write() and - * pxenv_udp_read() allow you to specify arbitrary local and remote - * ports and an arbitrary remote address for each packet. According - * to the PXE specifiation, you cannot have a UDP connection open at - * the same time as a TFTP connection; this restriction does not apply - * to Etherboot. - * - * On x86, you must set the s_PXE::StatusCallout field to a nonzero - * value before calling this function in protected mode. You cannot - * call this function with a 32-bit stack segment. (See the relevant - * @ref pxe_x86_pmode16 "implementation note" for more details.) - * - * @note The PXE specification does not make it clear whether the IP - * address supplied in s_PXENV_UDP_OPEN::src_ip should be used only - * for this UDP connection, or retained for all future communication. - * The latter seems more consistent with typical PXE stack behaviour. - * - * @note Etherboot currently ignores the s_PXENV_UDP_OPEN::src_ip - * parameter. - * - */ -PXENV_EXIT_t pxenv_udp_open ( struct s_PXENV_UDP_OPEN *pxenv_udp_open ) { - int rc; - - DBG ( "PXENV_UDP_OPEN" ); - - /* Record source IP address */ - pxe_udp.local.sin_addr.s_addr = pxenv_udp_open->src_ip; - DBG ( " %s", inet_ntoa ( pxe_udp.local.sin_addr ) ); - - /* Open promiscuous UDP connection */ - xfer_close ( &pxe_udp.xfer, 0 ); - if ( ( rc = udp_open_promisc ( &pxe_udp.xfer ) ) != 0 ) { - pxenv_udp_open->Status = PXENV_STATUS ( rc ); - return PXENV_EXIT_FAILURE; - } - - pxenv_udp_open->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/** - * UDP CLOSE - * - * @v pxenv_udp_close Pointer to a struct s_PXENV_UDP_CLOSE - * @ret #PXENV_EXIT_SUCCESS Always - * @ret s_PXENV_UDP_CLOSE::Status PXE status code - * @err None - - * - * Closes a UDP connection opened with pxenv_udp_open(). - * - * You can only have one open UDP connection at a time. You cannot - * have a UDP connection open at the same time as a TFTP connection. - * You cannot use pxenv_udp_close() to close a TFTP connection; use - * pxenv_tftp_close() instead. - * - * On x86, you must set the s_PXE::StatusCallout field to a nonzero - * value before calling this function in protected mode. You cannot - * call this function with a 32-bit stack segment. (See the relevant - * @ref pxe_x86_pmode16 "implementation note" for more details.) - * - */ -PXENV_EXIT_t pxenv_udp_close ( struct s_PXENV_UDP_CLOSE *pxenv_udp_close ) { - DBG ( "PXENV_UDP_CLOSE" ); - - /* Close UDP connection */ - xfer_close ( &pxe_udp.xfer, 0 ); - - pxenv_udp_close->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/** - * UDP WRITE - * - * @v pxenv_udp_write Pointer to a struct s_PXENV_UDP_WRITE - * @v s_PXENV_UDP_WRITE::ip Destination IP address - * @v s_PXENV_UDP_WRITE::gw Relay agent IP address, or 0.0.0.0 - * @v s_PXENV_UDP_WRITE::src_port Source UDP port, or 0 - * @v s_PXENV_UDP_WRITE::dst_port Destination UDP port - * @v s_PXENV_UDP_WRITE::buffer_size Length of the UDP payload - * @v s_PXENV_UDP_WRITE::buffer Address of the UDP payload - * @ret #PXENV_EXIT_SUCCESS Packet was transmitted successfully - * @ret #PXENV_EXIT_FAILURE Packet could not be transmitted - * @ret s_PXENV_UDP_WRITE::Status PXE status code - * @err #PXENV_STATUS_UDP_CLOSED UDP connection is not open - * @err #PXENV_STATUS_UNDI_TRANSMIT_ERROR Could not transmit packet - * - * Transmits a single UDP packet. A valid IP and UDP header will be - * prepended to the payload in s_PXENV_UDP_WRITE::buffer; the buffer - * should not contain precomputed IP and UDP headers, nor should it - * contain space allocated for these headers. The first byte of the - * buffer will be transmitted as the first byte following the UDP - * header. - * - * If s_PXENV_UDP_WRITE::gw is 0.0.0.0, normal IP routing will take - * place. See the relevant @ref pxe_routing "implementation note" for - * more details. - * - * If s_PXENV_UDP_WRITE::src_port is 0, port 2069 will be used. - * - * You must have opened a UDP connection with pxenv_udp_open() before - * calling pxenv_udp_write(). - * - * On x86, you must set the s_PXE::StatusCallout field to a nonzero - * value before calling this function in protected mode. You cannot - * call this function with a 32-bit stack segment. (See the relevant - * @ref pxe_x86_pmode16 "implementation note" for more details.) - * - * @note Etherboot currently ignores the s_PXENV_UDP_WRITE::gw - * parameter. - * - */ -PXENV_EXIT_t pxenv_udp_write ( struct s_PXENV_UDP_WRITE *pxenv_udp_write ) { - struct sockaddr_in dest; - struct xfer_metadata meta = { - .src = ( struct sockaddr * ) &pxe_udp.local, - .dest = ( struct sockaddr * ) &dest, - .netdev = pxe_netdev, - }; - size_t len; - struct io_buffer *iobuf; - userptr_t buffer; - int rc; - - DBG ( "PXENV_UDP_WRITE" ); - - /* Construct destination socket address */ - memset ( &dest, 0, sizeof ( dest ) ); - dest.sin_family = AF_INET; - dest.sin_addr.s_addr = pxenv_udp_write->ip; - dest.sin_port = pxenv_udp_write->dst_port; - - /* Set local (source) port. PXE spec says source port is 2069 - * if not specified. Really, this ought to be set at UDP open - * time but hey, we didn't design this API. - */ - pxe_udp.local.sin_port = pxenv_udp_write->src_port; - if ( ! pxe_udp.local.sin_port ) - pxe_udp.local.sin_port = htons ( 2069 ); - - /* FIXME: we ignore the gateway specified, since we're - * confident of being able to do our own routing. We should - * probably allow for multiple gateways. - */ - - /* Allocate and fill data buffer */ - len = pxenv_udp_write->buffer_size; - iobuf = xfer_alloc_iob ( &pxe_udp.xfer, len ); - if ( ! iobuf ) { - pxenv_udp_write->Status = PXENV_STATUS_OUT_OF_RESOURCES; - return PXENV_EXIT_FAILURE; - } - buffer = real_to_user ( pxenv_udp_write->buffer.segment, - pxenv_udp_write->buffer.offset ); - copy_from_user ( iob_put ( iobuf, len ), buffer, 0, len ); - - DBG ( " %04x:%04x+%x %d->%s:%d", pxenv_udp_write->buffer.segment, - pxenv_udp_write->buffer.offset, pxenv_udp_write->buffer_size, - ntohs ( pxenv_udp_write->src_port ), - inet_ntoa ( dest.sin_addr ), - ntohs ( pxenv_udp_write->dst_port ) ); - - /* Transmit packet */ - if ( ( rc = xfer_deliver_iob_meta ( &pxe_udp.xfer, iobuf, - &meta ) ) != 0 ) { - pxenv_udp_write->Status = PXENV_STATUS ( rc ); - return PXENV_EXIT_FAILURE; - } - - pxenv_udp_write->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/** - * UDP READ - * - * @v pxenv_udp_read Pointer to a struct s_PXENV_UDP_READ - * @v s_PXENV_UDP_READ::dest_ip Destination IP address, or 0.0.0.0 - * @v s_PXENV_UDP_READ::d_port Destination UDP port, or 0 - * @v s_PXENV_UDP_READ::buffer_size Size of the UDP payload buffer - * @v s_PXENV_UDP_READ::buffer Address of the UDP payload buffer - * @ret #PXENV_EXIT_SUCCESS A packet has been received - * @ret #PXENV_EXIT_FAILURE No packet has been received - * @ret s_PXENV_UDP_READ::Status PXE status code - * @ret s_PXENV_UDP_READ::src_ip Source IP address - * @ret s_PXENV_UDP_READ::dest_ip Destination IP address - * @ret s_PXENV_UDP_READ::s_port Source UDP port - * @ret s_PXENV_UDP_READ::d_port Destination UDP port - * @ret s_PXENV_UDP_READ::buffer_size Length of UDP payload - * @err #PXENV_STATUS_UDP_CLOSED UDP connection is not open - * @err #PXENV_STATUS_FAILURE No packet was ready to read - * - * Receive a single UDP packet. This is a non-blocking call; if no - * packet is ready to read, the call will return instantly with - * s_PXENV_UDP_READ::Status==PXENV_STATUS_FAILURE. - * - * If s_PXENV_UDP_READ::dest_ip is 0.0.0.0, UDP packets addressed to - * any IP address will be accepted and may be returned to the caller. - * - * If s_PXENV_UDP_READ::d_port is 0, UDP packets addressed to any UDP - * port will be accepted and may be returned to the caller. - * - * You must have opened a UDP connection with pxenv_udp_open() before - * calling pxenv_udp_read(). - * - * On x86, you must set the s_PXE::StatusCallout field to a nonzero - * value before calling this function in protected mode. You cannot - * call this function with a 32-bit stack segment. (See the relevant - * @ref pxe_x86_pmode16 "implementation note" for more details.) - * - * @note The PXE specification (version 2.1) does not state that we - * should fill in s_PXENV_UDP_READ::dest_ip and - * s_PXENV_UDP_READ::d_port, but Microsoft Windows' NTLDR program - * expects us to do so, and will fail if we don't. - * - */ -PXENV_EXIT_t pxenv_udp_read ( struct s_PXENV_UDP_READ *pxenv_udp_read ) { - struct in_addr dest_ip_wanted = { .s_addr = pxenv_udp_read->dest_ip }; - struct in_addr dest_ip; - uint16_t d_port_wanted = pxenv_udp_read->d_port; - uint16_t d_port; - - DBG ( "PXENV_UDP_READ" ); - - /* Try receiving a packet */ - pxe_udp.pxenv_udp_read = pxenv_udp_read; - step(); - if ( pxe_udp.pxenv_udp_read ) { - /* No packet received */ - pxe_udp.pxenv_udp_read = NULL; - goto no_packet; - } - dest_ip.s_addr = pxenv_udp_read->dest_ip; - d_port = pxenv_udp_read->d_port; - - /* Filter on destination address and/or port */ - if ( dest_ip_wanted.s_addr && - ( dest_ip_wanted.s_addr != dest_ip.s_addr ) ) { - DBG ( " wrong IP %s", inet_ntoa ( dest_ip ) ); - DBG ( " (wanted %s)", inet_ntoa ( dest_ip_wanted ) ); - goto no_packet; - } - if ( d_port_wanted && ( d_port_wanted != d_port ) ) { - DBG ( " wrong port %d ", htons ( d_port ) ); - DBG ( " (wanted %d)", htons ( d_port_wanted ) ); - goto no_packet; - } - - DBG ( " %04x:%04x+%x %s:", pxenv_udp_read->buffer.segment, - pxenv_udp_read->buffer.offset, pxenv_udp_read->buffer_size, - inet_ntoa ( *( ( struct in_addr * ) &pxenv_udp_read->src_ip ) )); - DBG ( "%d<-%s:%d", ntohs ( pxenv_udp_read->s_port ), - inet_ntoa ( *( ( struct in_addr * ) &pxenv_udp_read->dest_ip ) ), - ntohs ( pxenv_udp_read->d_port ) ); - - pxenv_udp_read->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; - - no_packet: - pxenv_udp_read->Status = PXENV_STATUS_FAILURE; - return PXENV_EXIT_FAILURE; -} diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_undi.c b/gpxe/src/arch/i386/interface/pxe/pxe_undi.c deleted file mode 100644 index c9b67c06..00000000 --- a/gpxe/src/arch/i386/interface/pxe/pxe_undi.c +++ /dev/null @@ -1,791 +0,0 @@ -/** @file - * - * PXE UNDI API - * - */ - -/* - * Copyright (C) 2004 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include <stdint.h> -#include <stdio.h> -#include <string.h> -#include <byteswap.h> -#include <basemem_packet.h> -#include <gpxe/netdevice.h> -#include <gpxe/iobuf.h> -#include <gpxe/device.h> -#include <gpxe/pci.h> -#include <gpxe/if_ether.h> -#include <gpxe/ip.h> -#include <gpxe/arp.h> -#include <gpxe/rarp.h> -#include "pxe.h" - -/** - * Count of outstanding transmitted packets - * - * This is incremented each time PXENV_UNDI_TRANSMIT is called, and - * decremented each time that PXENV_UNDI_ISR is called with the TX - * queue empty, stopping when the count reaches zero. This allows us - * to provide a pessimistic approximation of TX completion events to - * the PXE NBP simply by monitoring the netdev's TX queue. - */ -static int undi_tx_count = 0; - -struct net_device *pxe_netdev = NULL; - -/** - * Set network device as current PXE network device - * - * @v netdev Network device, or NULL - */ -void pxe_set_netdev ( struct net_device *netdev ) { - if ( pxe_netdev ) - netdev_put ( pxe_netdev ); - pxe_netdev = NULL; - if ( netdev ) - pxe_netdev = netdev_get ( netdev ); -} - -/** - * Open PXE network device - * - * @ret rc Return status code - */ -static int pxe_netdev_open ( void ) { - int rc; - - if ( ( rc = netdev_open ( pxe_netdev ) ) != 0 ) - return rc; - - netdev_irq ( pxe_netdev, 1 ); - return 0; -} - -/** - * Close PXE network device - * - */ -static void pxe_netdev_close ( void ) { - netdev_irq ( pxe_netdev, 0 ); - netdev_close ( pxe_netdev ); - undi_tx_count = 0; -} - -/** - * Dump multicast address list - * - * @v mcast PXE multicast address list - */ -static void pxe_dump_mcast_list ( struct s_PXENV_UNDI_MCAST_ADDRESS *mcast ) { - struct ll_protocol *ll_protocol = pxe_netdev->ll_protocol; - unsigned int i; - - for ( i = 0 ; i < mcast->MCastAddrCount ; i++ ) { - DBG ( " %s", ll_protocol->ntoa ( mcast->McastAddr[i] ) ); - } -} - -/* PXENV_UNDI_STARTUP - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_startup ( struct s_PXENV_UNDI_STARTUP *undi_startup ) { - DBG ( "PXENV_UNDI_STARTUP\n" ); - - undi_startup->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_CLEANUP - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_cleanup ( struct s_PXENV_UNDI_CLEANUP *undi_cleanup ) { - DBG ( "PXENV_UNDI_CLEANUP\n" ); - - pxe_netdev_close(); - - undi_cleanup->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_INITIALIZE - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_initialize ( struct s_PXENV_UNDI_INITIALIZE - *undi_initialize ) { - DBG ( "PXENV_UNDI_INITIALIZE protocolini %08x\n", - undi_initialize->ProtocolIni ); - - undi_initialize->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_RESET_ADAPTER - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_reset_adapter ( struct s_PXENV_UNDI_RESET - *undi_reset_adapter ) { - int rc; - - DBG ( "PXENV_UNDI_RESET_ADAPTER" ); - pxe_dump_mcast_list ( &undi_reset_adapter->R_Mcast_Buf ); - DBG ( "\n" ); - - pxe_netdev_close(); - if ( ( rc = pxe_netdev_open() ) != 0 ) { - DBG ( "PXENV_UNDI_RESET_ADAPTER could not reopen %s: %s\n", - pxe_netdev->name, strerror ( rc ) ); - undi_reset_adapter->Status = PXENV_STATUS ( rc ); - return PXENV_EXIT_FAILURE; - } - - undi_reset_adapter->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_SHUTDOWN - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_shutdown ( struct s_PXENV_UNDI_SHUTDOWN - *undi_shutdown ) { - DBG ( "PXENV_UNDI_SHUTDOWN\n" ); - - pxe_netdev_close(); - - undi_shutdown->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_OPEN - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_open ( struct s_PXENV_UNDI_OPEN *undi_open ) { - int rc; - - DBG ( "PXENV_UNDI_OPEN flag %04x filter %04x", - undi_open->OpenFlag, undi_open->PktFilter ); - pxe_dump_mcast_list ( &undi_open->R_Mcast_Buf ); - DBG ( "\n" ); - - if ( ( rc = pxe_netdev_open() ) != 0 ) { - DBG ( "PXENV_UNDI_OPEN could not open %s: %s\n", - pxe_netdev->name, strerror ( rc ) ); - undi_open->Status = PXENV_STATUS ( rc ); - return PXENV_EXIT_FAILURE; - } - - undi_open->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_CLOSE - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_close ( struct s_PXENV_UNDI_CLOSE *undi_close ) { - DBG ( "PXENV_UNDI_CLOSE\n" ); - - pxe_netdev_close(); - - undi_close->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_TRANSMIT - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_transmit ( struct s_PXENV_UNDI_TRANSMIT - *undi_transmit ) { - struct s_PXENV_UNDI_TBD tbd; - struct DataBlk *datablk; - struct io_buffer *iobuf; - struct net_protocol *net_protocol; - struct ll_protocol *ll_protocol = pxe_netdev->ll_protocol; - char destaddr[MAX_LL_ADDR_LEN]; - const void *ll_dest; - size_t ll_hlen = ll_protocol->ll_header_len; - size_t len; - unsigned int i; - int rc; - - DBG2 ( "PXENV_UNDI_TRANSMIT" ); - - /* Forcibly enable interrupts at this point, to work around - * callers that never call PXENV_UNDI_OPEN before attempting - * to use the UNDI API. - */ - netdev_irq ( pxe_netdev, 1 ); - - /* Identify network-layer protocol */ - switch ( undi_transmit->Protocol ) { - case P_IP: net_protocol = &ipv4_protocol; break; - case P_ARP: net_protocol = &arp_protocol; break; - case P_RARP: net_protocol = &rarp_protocol; break; - case P_UNKNOWN: - net_protocol = NULL; - ll_hlen = 0; - break; - default: - DBG2 ( " %02x invalid protocol\n", undi_transmit->Protocol ); - undi_transmit->Status = PXENV_STATUS_UNDI_INVALID_PARAMETER; - return PXENV_EXIT_FAILURE; - } - DBG2 ( " %s", ( net_protocol ? net_protocol->name : "RAW" ) ); - - /* Calculate total packet length */ - copy_from_real ( &tbd, undi_transmit->TBD.segment, - undi_transmit->TBD.offset, sizeof ( tbd ) ); - len = tbd.ImmedLength; - DBG2 ( " %04x:%04x+%x", tbd.Xmit.segment, tbd.Xmit.offset, - tbd.ImmedLength ); - for ( i = 0 ; i < tbd.DataBlkCount ; i++ ) { - datablk = &tbd.DataBlock[i]; - len += datablk->TDDataLen; - DBG2 ( " %04x:%04x+%x", datablk->TDDataPtr.segment, - datablk->TDDataPtr.offset, datablk->TDDataLen ); - } - - /* Allocate and fill I/O buffer */ - iobuf = alloc_iob ( ll_hlen + len ); - if ( ! iobuf ) { - DBG2 ( " could not allocate iobuf\n" ); - undi_transmit->Status = PXENV_STATUS_OUT_OF_RESOURCES; - return PXENV_EXIT_FAILURE; - } - iob_reserve ( iobuf, ll_hlen ); - copy_from_real ( iob_put ( iobuf, tbd.ImmedLength ), tbd.Xmit.segment, - tbd.Xmit.offset, tbd.ImmedLength ); - for ( i = 0 ; i < tbd.DataBlkCount ; i++ ) { - datablk = &tbd.DataBlock[i]; - copy_from_real ( iob_put ( iobuf, datablk->TDDataLen ), - datablk->TDDataPtr.segment, - datablk->TDDataPtr.offset, - datablk->TDDataLen ); - } - - /* Add link-layer header, if required to do so */ - if ( net_protocol != NULL ) { - - /* Calculate destination address */ - if ( undi_transmit->XmitFlag == XMT_DESTADDR ) { - copy_from_real ( destaddr, - undi_transmit->DestAddr.segment, - undi_transmit->DestAddr.offset, - ll_protocol->ll_addr_len ); - ll_dest = destaddr; - DBG2 ( " DEST %s", ll_protocol->ntoa ( ll_dest ) ); - } else { - ll_dest = pxe_netdev->ll_broadcast; - DBG2 ( " BCAST" ); - } - - /* Add link-layer header */ - if ( ( rc = ll_protocol->push ( pxe_netdev, iobuf, ll_dest, - pxe_netdev->ll_addr, - net_protocol->net_proto ))!=0){ - DBG2 ( " could not add link-layer header: %s\n", - strerror ( rc ) ); - free_iob ( iobuf ); - undi_transmit->Status = PXENV_STATUS ( rc ); - return PXENV_EXIT_FAILURE; - } - } - - /* Flag transmission as in-progress. Do this before starting - * to transmit the packet, because the ISR may trigger before - * we return from netdev_tx(). - */ - undi_tx_count++; - - /* Transmit packet */ - DBG2 ( "\n" ); - if ( ( rc = netdev_tx ( pxe_netdev, iobuf ) ) != 0 ) { - DBG2 ( "PXENV_UNDI_TRANSMIT could not transmit: %s\n", - strerror ( rc ) ); - undi_tx_count--; - undi_transmit->Status = PXENV_STATUS ( rc ); - return PXENV_EXIT_FAILURE; - } - - undi_transmit->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_SET_MCAST_ADDRESS - * - * Status: working (for NICs that support receive-all-multicast) - */ -PXENV_EXIT_t -pxenv_undi_set_mcast_address ( struct s_PXENV_UNDI_SET_MCAST_ADDRESS - *undi_set_mcast_address ) { - DBG ( "PXENV_UNDI_SET_MCAST_ADDRESS" ); - pxe_dump_mcast_list ( &undi_set_mcast_address->R_Mcast_Buf ); - DBG ( "\n" ); - - undi_set_mcast_address->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_SET_STATION_ADDRESS - * - * Status: working - */ -PXENV_EXIT_t -pxenv_undi_set_station_address ( struct s_PXENV_UNDI_SET_STATION_ADDRESS - *undi_set_station_address ) { - struct ll_protocol *ll_protocol = pxe_netdev->ll_protocol; - - DBG ( "PXENV_UNDI_SET_STATION_ADDRESS %s", - ll_protocol->ntoa ( undi_set_station_address->StationAddress ) ); - - /* If adapter is open, the change will have no effect; return - * an error - */ - if ( pxe_netdev->state & NETDEV_OPEN ) { - DBG ( " failed: netdev is open\n" ); - undi_set_station_address->Status = - PXENV_STATUS_UNDI_INVALID_STATE; - return PXENV_EXIT_FAILURE; - } - - /* Update MAC address */ - memcpy ( pxe_netdev->ll_addr, - &undi_set_station_address->StationAddress, - ll_protocol->ll_addr_len ); - - DBG ( "\n" ); - undi_set_station_address->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_SET_PACKET_FILTER - * - * Status: won't implement (would require driver API changes for no - * real benefit) - */ -PXENV_EXIT_t -pxenv_undi_set_packet_filter ( struct s_PXENV_UNDI_SET_PACKET_FILTER - *undi_set_packet_filter ) { - - DBG ( "PXENV_UNDI_SET_PACKET_FILTER %02x\n", - undi_set_packet_filter->filter ); - - /* Pretend that we succeeded, otherwise the 3Com DOS UNDI - * driver refuses to load. (We ignore the filter value in the - * PXENV_UNDI_OPEN call anyway.) - */ - undi_set_packet_filter->Status = PXENV_STATUS_SUCCESS; - - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_GET_INFORMATION - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_get_information ( struct s_PXENV_UNDI_GET_INFORMATION - *undi_get_information ) { - struct device *dev = pxe_netdev->dev; - struct ll_protocol *ll_protocol = pxe_netdev->ll_protocol; - size_t ll_addr_len = ll_protocol->ll_addr_len; - - DBG ( "PXENV_UNDI_GET_INFORMATION" ); - - undi_get_information->BaseIo = dev->desc.ioaddr; - undi_get_information->IntNumber = dev->desc.irq; - /* Cheat: assume all cards can cope with this */ - undi_get_information->MaxTranUnit = ETH_MAX_MTU; - undi_get_information->HwType = ntohs ( ll_protocol->ll_proto ); - undi_get_information->HwAddrLen = ll_addr_len; - assert ( ll_addr_len <= - sizeof ( undi_get_information->CurrentNodeAddress ) ); - memcpy ( &undi_get_information->CurrentNodeAddress, - pxe_netdev->ll_addr, - sizeof ( undi_get_information->CurrentNodeAddress ) ); - ll_protocol->init_addr ( pxe_netdev->hw_addr, - &undi_get_information->PermNodeAddress ); - undi_get_information->ROMAddress = 0; - /* nic.rom_info->rom_segment; */ - /* We only provide the ability to receive or transmit a single - * packet at a time. This is a bootloader, not an OS. - */ - undi_get_information->RxBufCt = 1; - undi_get_information->TxBufCt = 1; - - DBG ( " io %04x irq %d mtu %d %s %s\n", - undi_get_information->BaseIo, undi_get_information->IntNumber, - undi_get_information->MaxTranUnit, ll_protocol->name, - ll_protocol->ntoa ( &undi_get_information->CurrentNodeAddress )); - undi_get_information->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_GET_STATISTICS - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_get_statistics ( struct s_PXENV_UNDI_GET_STATISTICS - *undi_get_statistics ) { - DBG ( "PXENV_UNDI_GET_STATISTICS" ); - - undi_get_statistics->XmtGoodFrames = pxe_netdev->tx_stats.good; - undi_get_statistics->RcvGoodFrames = pxe_netdev->rx_stats.good; - undi_get_statistics->RcvCRCErrors = pxe_netdev->rx_stats.bad; - undi_get_statistics->RcvResourceErrors = pxe_netdev->rx_stats.bad; - - DBG ( " txok %d rxok %d rxcrc %d rxrsrc %d\n", - undi_get_statistics->XmtGoodFrames, - undi_get_statistics->RcvGoodFrames, - undi_get_statistics->RcvCRCErrors, - undi_get_statistics->RcvResourceErrors ); - undi_get_statistics->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_CLEAR_STATISTICS - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_clear_statistics ( struct s_PXENV_UNDI_CLEAR_STATISTICS - *undi_clear_statistics ) { - DBG ( "PXENV_UNDI_CLEAR_STATISTICS\n" ); - - memset ( &pxe_netdev->tx_stats, 0, sizeof ( pxe_netdev->tx_stats ) ); - memset ( &pxe_netdev->rx_stats, 0, sizeof ( pxe_netdev->rx_stats ) ); - - undi_clear_statistics->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_INITIATE_DIAGS - * - * Status: won't implement (would require driver API changes for no - * real benefit) - */ -PXENV_EXIT_t pxenv_undi_initiate_diags ( struct s_PXENV_UNDI_INITIATE_DIAGS - *undi_initiate_diags ) { - DBG ( "PXENV_UNDI_INITIATE_DIAGS failed: unsupported\n" ); - - undi_initiate_diags->Status = PXENV_STATUS_UNSUPPORTED; - return PXENV_EXIT_FAILURE; -} - -/* PXENV_UNDI_FORCE_INTERRUPT - * - * Status: won't implement (would require driver API changes for no - * perceptible benefit) - */ -PXENV_EXIT_t pxenv_undi_force_interrupt ( struct s_PXENV_UNDI_FORCE_INTERRUPT - *undi_force_interrupt ) { - DBG ( "PXENV_UNDI_FORCE_INTERRUPT failed: unsupported\n" ); - - undi_force_interrupt->Status = PXENV_STATUS_UNSUPPORTED; - return PXENV_EXIT_FAILURE; -} - -/* PXENV_UNDI_GET_MCAST_ADDRESS - * - * Status: working - */ -PXENV_EXIT_t -pxenv_undi_get_mcast_address ( struct s_PXENV_UNDI_GET_MCAST_ADDRESS - *undi_get_mcast_address ) { - struct ll_protocol *ll_protocol = pxe_netdev->ll_protocol; - struct in_addr ip = { .s_addr = undi_get_mcast_address->InetAddr }; - int rc; - - DBG ( "PXENV_UNDI_GET_MCAST_ADDRESS %s", inet_ntoa ( ip ) ); - - if ( ( rc = ll_protocol->mc_hash ( AF_INET, &ip, - undi_get_mcast_address->MediaAddr ))!=0){ - DBG ( " failed: %s\n", strerror ( rc ) ); - undi_get_mcast_address->Status = PXENV_STATUS ( rc ); - return PXENV_EXIT_FAILURE; - } - DBG ( "=>%s\n", - ll_protocol->ntoa ( undi_get_mcast_address->MediaAddr ) ); - - undi_get_mcast_address->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_GET_NIC_TYPE - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_get_nic_type ( struct s_PXENV_UNDI_GET_NIC_TYPE - *undi_get_nic_type ) { - struct device *dev = pxe_netdev->dev; - - DBG ( "PXENV_UNDI_GET_NIC_TYPE" ); - - memset ( &undi_get_nic_type->info, 0, - sizeof ( undi_get_nic_type->info ) ); - - switch ( dev->desc.bus_type ) { - case BUS_TYPE_PCI: { - struct pci_nic_info *info = &undi_get_nic_type->info.pci; - - undi_get_nic_type->NicType = PCI_NIC; - info->Vendor_ID = dev->desc.vendor; - info->Dev_ID = dev->desc.device; - info->Base_Class = PCI_BASE_CLASS ( dev->desc.class ); - info->Sub_Class = PCI_SUB_CLASS ( dev->desc.class ); - info->Prog_Intf = PCI_PROG_INTF ( dev->desc.class ); - info->BusDevFunc = dev->desc.location; - /* Cheat: remaining fields are probably unnecessary, - * and would require adding extra code to pci.c. - */ - undi_get_nic_type->info.pci.SubVendor_ID = 0xffff; - undi_get_nic_type->info.pci.SubDevice_ID = 0xffff; - DBG ( " PCI %02x:%02x.%x %04x:%04x (%04x:%04x) %02x%02x%02x " - "rev %02x\n", PCI_BUS ( info->BusDevFunc ), - PCI_SLOT ( info->BusDevFunc ), - PCI_FUNC ( info->BusDevFunc ), info->Vendor_ID, - info->Dev_ID, info->SubVendor_ID, info->SubDevice_ID, - info->Base_Class, info->Sub_Class, info->Prog_Intf, - info->Rev ); - break; } - case BUS_TYPE_ISAPNP: { - struct pnp_nic_info *info = &undi_get_nic_type->info.pnp; - - undi_get_nic_type->NicType = PnP_NIC; - info->EISA_Dev_ID = ( ( dev->desc.vendor << 16 ) | - dev->desc.device ); - info->CardSelNum = dev->desc.location; - /* Cheat: remaining fields are probably unnecessary, - * and would require adding extra code to isapnp.c. - */ - DBG ( " ISAPnP CSN %04x %08x %02x%02x%02x\n", - info->CardSelNum, info->EISA_Dev_ID, - info->Base_Class, info->Sub_Class, info->Prog_Intf ); - break; } - default: - DBG ( " failed: unknown bus type\n" ); - undi_get_nic_type->Status = PXENV_STATUS_FAILURE; - return PXENV_EXIT_FAILURE; - } - - undi_get_nic_type->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_GET_IFACE_INFO - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_get_iface_info ( struct s_PXENV_UNDI_GET_IFACE_INFO - *undi_get_iface_info ) { - DBG ( "PXENV_UNDI_GET_IFACE_INFO" ); - - /* Just hand back some info, doesn't really matter what it is. - * Most PXE stacks seem to take this approach. - */ - snprintf ( ( char * ) undi_get_iface_info->IfaceType, - sizeof ( undi_get_iface_info->IfaceType ), "DIX+802.3" ); - undi_get_iface_info->LinkSpeed = 10000000; /* 10 Mbps */ - undi_get_iface_info->ServiceFlags = - ( SUPPORTED_BROADCAST | SUPPORTED_MULTICAST | - SUPPORTED_SET_STATION_ADDRESS | SUPPORTED_RESET | - SUPPORTED_OPEN_CLOSE | SUPPORTED_IRQ ); - memset ( undi_get_iface_info->Reserved, 0, - sizeof(undi_get_iface_info->Reserved) ); - - DBG ( " %s %dbps flags %08x\n", undi_get_iface_info->IfaceType, - undi_get_iface_info->LinkSpeed, - undi_get_iface_info->ServiceFlags ); - undi_get_iface_info->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} - -/* PXENV_UNDI_GET_STATE - * - * Status: impossible - */ -PXENV_EXIT_t pxenv_undi_get_state ( struct s_PXENV_UNDI_GET_STATE - *undi_get_state ) { - DBG ( "PXENV_UNDI_GET_STATE failed: unsupported\n" ); - - undi_get_state->Status = PXENV_STATUS_UNSUPPORTED; - return PXENV_EXIT_FAILURE; -}; - -/* PXENV_UNDI_ISR - * - * Status: working - */ -PXENV_EXIT_t pxenv_undi_isr ( struct s_PXENV_UNDI_ISR *undi_isr ) { - struct io_buffer *iobuf; - size_t len; - struct ll_protocol *ll_protocol; - const void *ll_dest; - const void *ll_source; - uint16_t net_proto; - size_t ll_hlen; - struct net_protocol *net_protocol; - unsigned int prottype; - int rc; - - /* Use coloured debug, since UNDI ISR messages are likely to - * be interspersed amongst other UNDI messages. - */ - DBGC2 ( &pxenv_undi_isr, "PXENV_UNDI_ISR" ); - - /* Just in case some idiot actually looks at these fields when - * we weren't meant to fill them in... - */ - undi_isr->BufferLength = 0; - undi_isr->FrameLength = 0; - undi_isr->FrameHeaderLength = 0; - undi_isr->ProtType = 0; - undi_isr->PktType = 0; - - switch ( undi_isr->FuncFlag ) { - case PXENV_UNDI_ISR_IN_START : - DBGC2 ( &pxenv_undi_isr, " START" ); - - /* Call poll(). This should acknowledge the device - * interrupt and queue up any received packet. - */ - netdev_poll ( pxe_netdev ); - - /* Disable interrupts to avoid interrupt storm */ - netdev_irq ( pxe_netdev, 0 ); - - /* Always say it was ours for the sake of simplicity */ - DBGC2 ( &pxenv_undi_isr, " OURS" ); - undi_isr->FuncFlag = PXENV_UNDI_ISR_OUT_OURS; - break; - case PXENV_UNDI_ISR_IN_PROCESS : - case PXENV_UNDI_ISR_IN_GET_NEXT : - DBGC2 ( &pxenv_undi_isr, " %s", - ( ( undi_isr->FuncFlag == PXENV_UNDI_ISR_IN_PROCESS ) ? - "PROCESS" : "GET_NEXT" ) ); - - /* Some dumb NBPs (e.g. emBoot's winBoot/i) never call - * PXENV_UNDI_ISR with FuncFlag=PXENV_UNDI_ISR_START; - * they just sit in a tight polling loop merrily - * violating the PXE spec with repeated calls to - * PXENV_UNDI_ISR_IN_PROCESS. Force extra polls to - * cope with these out-of-spec clients. - */ - netdev_poll ( pxe_netdev ); - - /* If we have not yet marked a TX as complete, and the - * netdev TX queue is empty, report the TX completion. - */ - if ( undi_tx_count && list_empty ( &pxe_netdev->tx_queue ) ) { - DBGC2 ( &pxenv_undi_isr, " TXC" ); - undi_tx_count--; - undi_isr->FuncFlag = PXENV_UNDI_ISR_OUT_TRANSMIT; - break; - } - - /* Remove first packet from netdev RX queue */ - iobuf = netdev_rx_dequeue ( pxe_netdev ); - if ( ! iobuf ) { - DBGC2 ( &pxenv_undi_isr, " DONE" ); - /* No more packets remaining */ - undi_isr->FuncFlag = PXENV_UNDI_ISR_OUT_DONE; - /* Re-enable interrupts */ - netdev_irq ( pxe_netdev, 1 ); - break; - } - - /* Copy packet to base memory buffer */ - len = iob_len ( iobuf ); - DBGC2 ( &pxenv_undi_isr, " RX" ); - if ( len > sizeof ( basemem_packet ) ) { - /* Should never happen */ - DBGC2 ( &pxenv_undi_isr, " overlength (%zx)", len ); - len = sizeof ( basemem_packet ); - } - memcpy ( basemem_packet, iobuf->data, len ); - - /* Strip link-layer header */ - ll_protocol = pxe_netdev->ll_protocol; - if ( ( rc = ll_protocol->pull ( pxe_netdev, iobuf, &ll_dest, - &ll_source, &net_proto )) !=0){ - /* Assume unknown net_proto and no ll_source */ - net_proto = 0; - ll_source = NULL; - } - ll_hlen = ( len - iob_len ( iobuf ) ); - - /* Determine network-layer protocol */ - switch ( net_proto ) { - case htons ( ETH_P_IP ): - net_protocol = &ipv4_protocol; - prottype = P_IP; - break; - case htons ( ETH_P_ARP ): - net_protocol = &arp_protocol; - prottype = P_ARP; - break; - case htons ( ETH_P_RARP ): - net_protocol = &rarp_protocol; - prottype = P_RARP; - break; - default: - net_protocol = NULL; - prottype = P_UNKNOWN; - break; - } - - /* Fill in UNDI_ISR structure */ - undi_isr->FuncFlag = PXENV_UNDI_ISR_OUT_RECEIVE; - undi_isr->BufferLength = len; - undi_isr->FrameLength = len; - undi_isr->FrameHeaderLength = ll_hlen; - undi_isr->Frame.segment = rm_ds; - undi_isr->Frame.offset = __from_data16 ( basemem_packet ); - undi_isr->ProtType = prottype; - undi_isr->PktType = XMT_DESTADDR; - DBGC2 ( &pxenv_undi_isr, " %04x:%04x+%x(%x) %s hlen %d", - undi_isr->Frame.segment, undi_isr->Frame.offset, - undi_isr->BufferLength, undi_isr->FrameLength, - ( net_protocol ? net_protocol->name : "RAW" ), - undi_isr->FrameHeaderLength ); - - /* Free packet */ - free_iob ( iobuf ); - break; - default : - DBGC2 ( &pxenv_undi_isr, " INVALID(%04x)\n", - undi_isr->FuncFlag ); - - /* Should never happen */ - undi_isr->FuncFlag = PXENV_UNDI_ISR_OUT_DONE; - undi_isr->Status = PXENV_STATUS_UNDI_INVALID_PARAMETER; - return PXENV_EXIT_FAILURE; - } - - DBGC2 ( &pxenv_undi_isr, "\n" ); - undi_isr->Status = PXENV_STATUS_SUCCESS; - return PXENV_EXIT_SUCCESS; -} |