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Diffstat (limited to 'gpxe/src/arch/i386/interface/pxe/pxe_undi.c')
-rw-r--r--gpxe/src/arch/i386/interface/pxe/pxe_undi.c215
1 files changed, 161 insertions, 54 deletions
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;
}