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-rw-r--r--gpxe/src/arch/i386/interface/pxe/pxe_call.c93
-rw-r--r--gpxe/src/arch/i386/interface/pxe/pxe_entry.S2
-rw-r--r--gpxe/src/arch/i386/interface/pxe/pxe_file.c42
-rw-r--r--gpxe/src/arch/i386/interface/pxe/pxe_loader.c5
-rw-r--r--gpxe/src/arch/i386/interface/pxe/pxe_preboot.c25
-rw-r--r--gpxe/src/arch/i386/interface/pxe/pxe_tftp.c17
-rw-r--r--gpxe/src/arch/i386/interface/pxe/pxe_udp.c2
-rw-r--r--gpxe/src/arch/i386/interface/pxe/pxe_undi.c215
8 files changed, 308 insertions, 93 deletions
diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_call.c b/gpxe/src/arch/i386/interface/pxe/pxe_call.c
index 06dee25c..66a9b1e2 100644
--- a/gpxe/src/arch/i386/interface/pxe/pxe_call.c
+++ b/gpxe/src/arch/i386/interface/pxe/pxe_call.c
@@ -16,7 +16,10 @@
* 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>
@@ -34,6 +37,9 @@ extern struct segoff __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.
@@ -98,6 +104,7 @@ union pxenv_call {
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 * );
};
/**
@@ -304,6 +311,10 @@ __asmcall void pxe_api_call ( struct i386_all_regs *ix86 ) {
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;
@@ -334,6 +345,18 @@ __asmcall void pxe_api_call ( struct i386_all_regs *ix86 ) {
}
/**
+ * 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
@@ -362,25 +385,6 @@ __asmcall void pxe_loader_call ( struct i386_all_regs *ix86 ) {
}
/**
- * Hook INT 1A for PXE
- *
- */
-void pxe_hook_int1a ( void ) {
- hook_bios_interrupt ( 0x1a, ( unsigned int ) pxe_int_1a,
- &pxe_int_1a_vector );
-}
-
-/**
- * Unhook INT 1A for PXE
- *
- * @ret rc Return status code
- */
-int pxe_unhook_int1a ( void ) {
- return unhook_bios_interrupt ( 0x1a, ( unsigned int ) pxe_int_1a,
- &pxe_int_1a_vector );
-}
-
-/**
* Calculate byte checksum as used by PXE
*
* @v data Data
@@ -401,7 +405,7 @@ static uint8_t pxe_checksum ( void *data, size_t size ) {
* Initialise !PXE and PXENV+ structures
*
*/
-void pxe_init_structures ( void ) {
+static void pxe_init_structures ( void ) {
uint32_t rm_cs_phys = ( rm_cs << 4 );
uint32_t rm_ds_phys = ( rm_ds << 4 );
@@ -427,6 +431,55 @@ void pxe_init_structures ( void ) {
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
*
diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_entry.S b/gpxe/src/arch/i386/interface/pxe/pxe_entry.S
index 0e8c8e2d..0d3a57cd 100644
--- a/gpxe/src/arch/i386/interface/pxe/pxe_entry.S
+++ b/gpxe/src/arch/i386/interface/pxe/pxe_entry.S
@@ -17,6 +17,8 @@
*
*/
+FILE_LICENCE ( GPL2_OR_LATER )
+
.arch i386
/****************************************************************************
diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_file.c b/gpxe/src/arch/i386/interface/pxe/pxe_file.c
index 41674588..8d832123 100644
--- a/gpxe/src/arch/i386/interface/pxe/pxe_file.c
+++ b/gpxe/src/arch/i386/interface/pxe/pxe_file.c
@@ -12,9 +12,12 @@
#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
@@ -31,6 +34,8 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+FILE_LICENCE ( GPL2_OR_LATER );
+
FEATURE ( FEATURE_MISC, "PXEXT", DHCP_EB_FEATURE_PXE_EXT, 2 );
/**
@@ -228,6 +233,9 @@ PXENV_EXIT_t pxenv_file_exec ( struct s_PXENV_FILE_EXEC *file_exec ) {
return PXENV_EXIT_SUCCESS;
}
+segoff_t __data16 ( pxe_exit_hook ) = { 0, 0 };
+#define pxe_exit_hook __use_data16 ( pxe_exit_hook )
+
/**
* FILE API CHECK
*
@@ -258,7 +266,41 @@ PXENV_EXIT_t pxenv_file_api_check ( struct s_PXENV_FILE_API_CHECK *file_api_chec
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
index d228a36d..b35caf77 100644
--- a/gpxe/src/arch/i386/interface/pxe/pxe_loader.c
+++ b/gpxe/src/arch/i386/interface/pxe/pxe_loader.c
@@ -16,6 +16,8 @@
* 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"
@@ -37,9 +39,6 @@ PXENV_EXIT_t undi_loader ( struct s_UNDI_LOADER *undi_loader ) {
DBG ( "[PXENV_UNDI_LOADER to CS %04x DS %04x]",
undi_loader->UNDI_CS, undi_loader->UNDI_DS );
- /* Set up PXE data structures */
- pxe_init_structures();
-
/* Fill in UNDI loader structure */
undi_loader->PXEptr.segment = rm_cs;
undi_loader->PXEptr.offset = __from_text16 ( &ppxe );
diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_preboot.c b/gpxe/src/arch/i386/interface/pxe/pxe_preboot.c
index 193abc3d..3939c7bf 100644
--- a/gpxe/src/arch/i386/interface/pxe/pxe_preboot.c
+++ b/gpxe/src/arch/i386/interface/pxe/pxe_preboot.c
@@ -23,6 +23,8 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+FILE_LICENCE ( GPL2_OR_LATER );
+
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
@@ -35,6 +37,7 @@
#include <gpxe/init.h>
#include <gpxe/if_ether.h>
#include <basemem_packet.h>
+#include <biosint.h>
#include "pxe.h"
#include "pxe_call.h"
@@ -294,11 +297,8 @@ PXENV_EXIT_t pxenv_start_undi ( struct s_PXENV_START_UNDI *start_undi ) {
}
DBG ( " using netdev %s", netdev->name );
- /* Save as PXE net device */
- pxe_set_netdev ( netdev );
-
- /* Hook INT 1A */
- pxe_hook_int1a();
+ /* Activate PXE */
+ pxe_activate ( netdev );
start_undi->Status = PXENV_STATUS_SUCCESS;
return PXENV_EXIT_SUCCESS;
@@ -311,15 +311,20 @@ PXENV_EXIT_t pxenv_start_undi ( struct s_PXENV_START_UNDI *start_undi ) {
PXENV_EXIT_t pxenv_stop_undi ( struct s_PXENV_STOP_UNDI *stop_undi ) {
DBG ( "PXENV_STOP_UNDI" );
- /* Unhook INT 1A */
- pxe_unhook_int1a();
-
- /* Clear PXE net device */
- pxe_set_netdev ( NULL );
+ /* 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;
}
diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_tftp.c b/gpxe/src/arch/i386/interface/pxe/pxe_tftp.c
index 715a0b61..0e3ca3c5 100644
--- a/gpxe/src/arch/i386/interface/pxe/pxe_tftp.c
+++ b/gpxe/src/arch/i386/interface/pxe/pxe_tftp.c
@@ -22,6 +22,8 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+FILE_LICENCE ( GPL2_OR_LATER );
+
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
@@ -138,7 +140,7 @@ static void pxe_tftp_xfer_close ( struct xfer_interface *xfer __unused,
static struct xfer_interface_operations pxe_tftp_xfer_ops = {
.close = pxe_tftp_xfer_close,
- .vredirect = xfer_vopen,
+ .vredirect = xfer_vreopen,
.window = unlimited_xfer_window,
.alloc_iob = default_xfer_alloc_iob,
.deliver_iob = pxe_tftp_xfer_deliver_iob,
@@ -163,7 +165,8 @@ static struct xfer_interface_operations pxe_tftp_xfer_ops = {
* @ret rc Return status code
*/
static int pxe_tftp_open ( uint32_t ipaddress, unsigned int port,
- const unsigned char *filename, size_t blksize ) {
+ const unsigned char *filename, size_t blksize,
+ int sizeonly ) {
char uri_string[PXE_TFTP_URI_LEN];
struct in_addr address;
int rc;
@@ -183,7 +186,8 @@ static int pxe_tftp_open ( uint32_t ipaddress, unsigned int port,
if ( blksize < TFTP_DEFAULT_BLKSIZE )
blksize = TFTP_DEFAULT_BLKSIZE;
snprintf ( uri_string, sizeof ( uri_string ),
- "tftp://%s:%d%s%s?blksize=%zd",
+ "tftp%s://%s:%d%s%s?blksize=%zd",
+ sizeonly ? "size" : "",
inet_ntoa ( address ), ntohs ( port ),
( ( filename[0] == '/' ) ? "" : "/" ), filename, blksize );
DBG ( " %s", uri_string );
@@ -252,7 +256,8 @@ PXENV_EXIT_t pxenv_tftp_open ( struct s_PXENV_TFTP_OPEN *tftp_open ) {
if ( ( rc = pxe_tftp_open ( tftp_open->ServerIPAddress,
tftp_open->TFTPPort,
tftp_open->FileName,
- tftp_open->PacketSize ) ) != 0 ) {
+ tftp_open->PacketSize,
+ 0) ) != 0 ) {
tftp_open->Status = PXENV_STATUS ( rc );
return PXENV_EXIT_FAILURE;
}
@@ -486,7 +491,7 @@ PXENV_EXIT_t pxenv_tftp_read_file ( struct s_PXENV_TFTP_READ_FILE
/* Open TFTP file */
if ( ( rc = pxe_tftp_open ( tftp_read_file->ServerIPAddress, 0,
- tftp_read_file->FileName, 0 ) ) != 0 ) {
+ tftp_read_file->FileName, 0, 0 ) ) != 0 ) {
tftp_read_file->Status = PXENV_STATUS ( rc );
return PXENV_EXIT_FAILURE;
}
@@ -556,7 +561,7 @@ PXENV_EXIT_t pxenv_tftp_get_fsize ( struct s_PXENV_TFTP_GET_FSIZE
/* Open TFTP file */
if ( ( rc = pxe_tftp_open ( tftp_get_fsize->ServerIPAddress, 0,
- tftp_get_fsize->FileName, 0 ) ) != 0 ) {
+ tftp_get_fsize->FileName, 0, 1 ) ) != 0 ) {
tftp_get_fsize->Status = PXENV_STATUS ( rc );
return PXENV_EXIT_FAILURE;
}
diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_udp.c b/gpxe/src/arch/i386/interface/pxe/pxe_udp.c
index 033b1ad9..f4702201 100644
--- a/gpxe/src/arch/i386/interface/pxe/pxe_udp.c
+++ b/gpxe/src/arch/i386/interface/pxe/pxe_udp.c
@@ -30,6 +30,8 @@
* 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 */
diff --git a/gpxe/src/arch/i386/interface/pxe/pxe_undi.c b/gpxe/src/arch/i386/interface/pxe/pxe_undi.c
index 4e4a3da0..c9b67c06 100644
--- a/gpxe/src/arch/i386/interface/pxe/pxe_undi.c
+++ b/gpxe/src/arch/i386/interface/pxe/pxe_undi.c
@@ -22,6 +22,8 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+FILE_LICENCE ( GPL2_OR_LATER );
+
#include <stdint.h>
#include <stdio.h>
#include <string.h>
@@ -88,12 +90,26 @@ static void pxe_netdev_close ( void ) {
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" );
+ DBG ( "PXENV_UNDI_STARTUP\n" );
undi_startup->Status = PXENV_STATUS_SUCCESS;
return PXENV_EXIT_SUCCESS;
@@ -104,7 +120,7 @@ PXENV_EXIT_t pxenv_undi_startup ( struct s_PXENV_UNDI_STARTUP *undi_startup ) {
* Status: working
*/
PXENV_EXIT_t pxenv_undi_cleanup ( struct s_PXENV_UNDI_CLEANUP *undi_cleanup ) {
- DBG ( "PXENV_UNDI_CLEANUP" );
+ DBG ( "PXENV_UNDI_CLEANUP\n" );
pxe_netdev_close();
@@ -118,7 +134,8 @@ PXENV_EXIT_t pxenv_undi_cleanup ( struct s_PXENV_UNDI_CLEANUP *undi_cleanup ) {
*/
PXENV_EXIT_t pxenv_undi_initialize ( struct s_PXENV_UNDI_INITIALIZE
*undi_initialize ) {
- DBG ( "PXENV_UNDI_INITIALIZE" );
+ DBG ( "PXENV_UNDI_INITIALIZE protocolini %08x\n",
+ undi_initialize->ProtocolIni );
undi_initialize->Status = PXENV_STATUS_SUCCESS;
return PXENV_EXIT_SUCCESS;
@@ -133,9 +150,13 @@ PXENV_EXIT_t pxenv_undi_reset_adapter ( struct s_PXENV_UNDI_RESET
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;
}
@@ -150,7 +171,7 @@ PXENV_EXIT_t pxenv_undi_reset_adapter ( struct s_PXENV_UNDI_RESET
*/
PXENV_EXIT_t pxenv_undi_shutdown ( struct s_PXENV_UNDI_SHUTDOWN
*undi_shutdown ) {
- DBG ( "PXENV_UNDI_SHUTDOWN" );
+ DBG ( "PXENV_UNDI_SHUTDOWN\n" );
pxe_netdev_close();
@@ -165,9 +186,14 @@ PXENV_EXIT_t pxenv_undi_shutdown ( struct s_PXENV_UNDI_SHUTDOWN
PXENV_EXIT_t pxenv_undi_open ( struct s_PXENV_UNDI_OPEN *undi_open ) {
int rc;
- DBG ( "PXENV_UNDI_OPEN" );
+ 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;
}
@@ -181,7 +207,7 @@ PXENV_EXIT_t pxenv_undi_open ( struct s_PXENV_UNDI_OPEN *undi_open ) {
* Status: working
*/
PXENV_EXIT_t pxenv_undi_close ( struct s_PXENV_UNDI_CLOSE *undi_close ) {
- DBG ( "PXENV_UNDI_CLOSE" );
+ DBG ( "PXENV_UNDI_CLOSE\n" );
pxe_netdev_close();
@@ -207,7 +233,13 @@ PXENV_EXIT_t pxenv_undi_transmit ( struct s_PXENV_UNDI_TRANSMIT
unsigned int i;
int rc;
- DBG ( "PXENV_UNDI_TRANSMIT" );
+ 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 ) {
@@ -219,25 +251,29 @@ PXENV_EXIT_t pxenv_undi_transmit ( struct s_PXENV_UNDI_TRANSMIT
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;
}
- DBG ( " %s", ( net_protocol ? net_protocol->name : "RAW" ) );
+ 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;
- DBG ( " %d", 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;
- DBG ( "+%d", 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;
}
@@ -262,45 +298,57 @@ PXENV_EXIT_t pxenv_undi_transmit ( struct s_PXENV_UNDI_TRANSMIT
undi_transmit->DestAddr.offset,
ll_protocol->ll_addr_len );
ll_dest = destaddr;
+ DBG2 ( " DEST %s", ll_protocol->ntoa ( ll_dest ) );
} else {
- DBG ( " BCAST" );
- ll_dest = ll_protocol->ll_broadcast;
+ ll_dest = pxe_netdev->ll_broadcast;
+ DBG2 ( " BCAST" );
}
/* Add link-layer header */
- if ( ( rc = ll_protocol->push ( iobuf, ll_dest,
+ 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;
}
- /* Flag transmission as in-progress */
- undi_tx_count++;
-
undi_transmit->Status = PXENV_STATUS_SUCCESS;
return PXENV_EXIT_SUCCESS;
}
/* PXENV_UNDI_SET_MCAST_ADDRESS
*
- * Status: stub (no PXE multicast support)
+ * 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_UNSUPPORTED;
- return PXENV_EXIT_FAILURE;
+ undi_set_mcast_address->Status = PXENV_STATUS_SUCCESS;
+ return PXENV_EXIT_SUCCESS;
}
/* PXENV_UNDI_SET_STATION_ADDRESS
@@ -310,13 +358,16 @@ pxenv_undi_set_mcast_address ( struct s_PXENV_UNDI_SET_MCAST_ADDRESS
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" );
+ 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;
@@ -325,8 +376,9 @@ pxenv_undi_set_station_address ( struct s_PXENV_UNDI_SET_STATION_ADDRESS
/* Update MAC address */
memcpy ( pxe_netdev->ll_addr,
&undi_set_station_address->StationAddress,
- pxe_netdev->ll_protocol->ll_addr_len );
+ ll_protocol->ll_addr_len );
+ DBG ( "\n" );
undi_set_station_address->Status = PXENV_STATUS_SUCCESS;
return PXENV_EXIT_SUCCESS;
}
@@ -339,10 +391,17 @@ pxenv_undi_set_station_address ( struct s_PXENV_UNDI_SET_STATION_ADDRESS
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" );
- undi_set_packet_filter->Status = PXENV_STATUS_UNSUPPORTED;
- return PXENV_EXIT_FAILURE;
+ 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
@@ -353,6 +412,7 @@ 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" );
@@ -361,17 +421,14 @@ PXENV_EXIT_t pxenv_undi_get_information ( struct s_PXENV_UNDI_GET_INFORMATION
/* 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_protocol->ll_addr_len;
- /* Cheat: assume card is always configured with its permanent
- * node address. This is a valid assumption within Etherboot
- * at the time of writing.
- */
+ 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 ) );
- memcpy ( &undi_get_information->PermNodeAddress,
- pxe_netdev->ll_addr,
- sizeof ( undi_get_information->PermNodeAddress ) );
+ 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
@@ -380,6 +437,10 @@ PXENV_EXIT_t pxenv_undi_get_information ( struct s_PXENV_UNDI_GET_INFORMATION
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;
}
@@ -397,6 +458,11 @@ PXENV_EXIT_t pxenv_undi_get_statistics ( struct s_PXENV_UNDI_GET_STATISTICS
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;
}
@@ -407,7 +473,7 @@ PXENV_EXIT_t pxenv_undi_get_statistics ( struct s_PXENV_UNDI_GET_STATISTICS
*/
PXENV_EXIT_t pxenv_undi_clear_statistics ( struct s_PXENV_UNDI_CLEAR_STATISTICS
*undi_clear_statistics ) {
- DBG ( "PXENV_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 ) );
@@ -423,7 +489,7 @@ PXENV_EXIT_t pxenv_undi_clear_statistics ( struct s_PXENV_UNDI_CLEAR_STATISTICS
*/
PXENV_EXIT_t pxenv_undi_initiate_diags ( struct s_PXENV_UNDI_INITIATE_DIAGS
*undi_initiate_diags ) {
- DBG ( "PXENV_UNDI_INITIATE_DIAGS" );
+ DBG ( "PXENV_UNDI_INITIATE_DIAGS failed: unsupported\n" );
undi_initiate_diags->Status = PXENV_STATUS_UNSUPPORTED;
return PXENV_EXIT_FAILURE;
@@ -436,7 +502,7 @@ PXENV_EXIT_t pxenv_undi_initiate_diags ( struct s_PXENV_UNDI_INITIATE_DIAGS
*/
PXENV_EXIT_t pxenv_undi_force_interrupt ( struct s_PXENV_UNDI_FORCE_INTERRUPT
*undi_force_interrupt ) {
- DBG ( "PXENV_UNDI_FORCE_INTERRUPT" );
+ DBG ( "PXENV_UNDI_FORCE_INTERRUPT failed: unsupported\n" );
undi_force_interrupt->Status = PXENV_STATUS_UNSUPPORTED;
return PXENV_EXIT_FAILURE;
@@ -444,15 +510,28 @@ PXENV_EXIT_t pxenv_undi_force_interrupt ( struct s_PXENV_UNDI_FORCE_INTERRUPT
/* PXENV_UNDI_GET_MCAST_ADDRESS
*
- * Status: stub (no PXE multicast support)
+ * Status: working
*/
PXENV_EXIT_t
pxenv_undi_get_mcast_address ( struct s_PXENV_UNDI_GET_MCAST_ADDRESS
*undi_get_mcast_address ) {
- DBG ( "PXENV_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;
- undi_get_mcast_address->Status = PXENV_STATUS_UNSUPPORTED;
- return PXENV_EXIT_FAILURE;
+ 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
@@ -484,6 +563,13 @@ PXENV_EXIT_t pxenv_undi_get_nic_type ( struct s_PXENV_UNDI_GET_NIC_TYPE
*/
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;
@@ -495,8 +581,12 @@ PXENV_EXIT_t pxenv_undi_get_nic_type ( struct s_PXENV_UNDI_GET_NIC_TYPE
/* 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;
}
@@ -517,12 +607,18 @@ PXENV_EXIT_t pxenv_undi_get_iface_info ( struct s_PXENV_UNDI_GET_IFACE_INFO
* Most PXE stacks seem to take this approach.
*/
snprintf ( ( char * ) undi_get_iface_info->IfaceType,
- sizeof ( undi_get_iface_info->IfaceType ), "gPXE" );
+ sizeof ( undi_get_iface_info->IfaceType ), "DIX+802.3" );
undi_get_iface_info->LinkSpeed = 10000000; /* 10 Mbps */
- undi_get_iface_info->ServiceFlags = 0;
+ 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;
}
@@ -533,7 +629,7 @@ PXENV_EXIT_t pxenv_undi_get_iface_info ( struct s_PXENV_UNDI_GET_IFACE_INFO
*/
PXENV_EXIT_t pxenv_undi_get_state ( struct s_PXENV_UNDI_GET_STATE
*undi_get_state ) {
- DBG ( "PXENV_UNDI_GET_STATE" );
+ DBG ( "PXENV_UNDI_GET_STATE failed: unsupported\n" );
undi_get_state->Status = PXENV_STATUS_UNSUPPORTED;
return PXENV_EXIT_FAILURE;
@@ -555,7 +651,10 @@ PXENV_EXIT_t pxenv_undi_isr ( struct s_PXENV_UNDI_ISR *undi_isr ) {
unsigned int prottype;
int rc;
- DBG ( "PXENV_UNDI_ISR" );
+ /* 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...
@@ -568,7 +667,7 @@ PXENV_EXIT_t pxenv_undi_isr ( struct s_PXENV_UNDI_ISR *undi_isr ) {
switch ( undi_isr->FuncFlag ) {
case PXENV_UNDI_ISR_IN_START :
- DBG ( " START" );
+ DBGC2 ( &pxenv_undi_isr, " START" );
/* Call poll(). This should acknowledge the device
* interrupt and queue up any received packet.
@@ -579,13 +678,14 @@ PXENV_EXIT_t pxenv_undi_isr ( struct s_PXENV_UNDI_ISR *undi_isr ) {
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 :
- DBG ( " PROCESS" );
- /* Fall through */
case PXENV_UNDI_ISR_IN_GET_NEXT :
- DBG ( " 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;
@@ -600,7 +700,7 @@ PXENV_EXIT_t pxenv_undi_isr ( struct s_PXENV_UNDI_ISR *undi_isr ) {
* netdev TX queue is empty, report the TX completion.
*/
if ( undi_tx_count && list_empty ( &pxe_netdev->tx_queue ) ) {
- DBG ( " TXC" );
+ DBGC2 ( &pxenv_undi_isr, " TXC" );
undi_tx_count--;
undi_isr->FuncFlag = PXENV_UNDI_ISR_OUT_TRANSMIT;
break;
@@ -609,7 +709,7 @@ PXENV_EXIT_t pxenv_undi_isr ( struct s_PXENV_UNDI_ISR *undi_isr ) {
/* Remove first packet from netdev RX queue */
iobuf = netdev_rx_dequeue ( pxe_netdev );
if ( ! iobuf ) {
- DBG ( " DONE" );
+ DBGC2 ( &pxenv_undi_isr, " DONE" );
/* No more packets remaining */
undi_isr->FuncFlag = PXENV_UNDI_ISR_OUT_DONE;
/* Re-enable interrupts */
@@ -619,17 +719,18 @@ PXENV_EXIT_t pxenv_undi_isr ( struct s_PXENV_UNDI_ISR *undi_isr ) {
/* Copy packet to base memory buffer */
len = iob_len ( iobuf );
- DBG ( " RX %zd", len );
+ 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 ( iobuf, &ll_dest, &ll_source,
- &net_proto ) ) != 0 ) {
+ 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;
@@ -655,7 +756,6 @@ PXENV_EXIT_t pxenv_undi_isr ( struct s_PXENV_UNDI_ISR *undi_isr ) {
prottype = P_UNKNOWN;
break;
}
- DBG ( " %s", ( net_protocol ? net_protocol->name : "RAW" ) );
/* Fill in UNDI_ISR structure */
undi_isr->FuncFlag = PXENV_UNDI_ISR_OUT_RECEIVE;
@@ -666,12 +766,18 @@ PXENV_EXIT_t pxenv_undi_isr ( struct s_PXENV_UNDI_ISR *undi_isr ) {
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 :
- DBG ( " INVALID(%04x)", undi_isr->FuncFlag );
+ DBGC2 ( &pxenv_undi_isr, " INVALID(%04x)\n",
+ undi_isr->FuncFlag );
/* Should never happen */
undi_isr->FuncFlag = PXENV_UNDI_ISR_OUT_DONE;
@@ -679,6 +785,7 @@ PXENV_EXIT_t pxenv_undi_isr ( struct s_PXENV_UNDI_ISR *undi_isr ) {
return PXENV_EXIT_FAILURE;
}
+ DBGC2 ( &pxenv_undi_isr, "\n" );
undi_isr->Status = PXENV_STATUS_SUCCESS;
return PXENV_EXIT_SUCCESS;
}