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authorThomas Schwinge <tschwinge@gnu.org>2006-01-22 15:54:41 +0000
committerThomas Schwinge <tschwinge@gnu.org>2009-06-18 00:26:29 +0200
commit4ad86505c480b2964548328a959c662e8aef5422 (patch)
tree9cc9b8f80d561ae7d7451d95a26ff8c252e86504 /linux/dev/drivers
parent656d6634de02862e837f3a7d80a49e9ca072398d (diff)
2006-01-22 Thomas Schwinge <tschwinge@gnu.org>
* configure, i386/configure, i386/linux/configure, linux/configure, i386/linux/device-drivers.h.in: Regenerated. * linux/src/drivers/net/ne2k-pci.c: Resolve conflicts. 2006-01-22 Guillem Jover <guillem@hadrons.org> * i386/linux/configure.ac: Renamed winbond-840 driver to winbond_840. Enable the starfire, intel_gige and natsemi network drivers. Remove "CONFIG_" from cb_chim, starfire, sundance, winbond840, hamachi, natsemi, myson803 and ns820 driver declarations. Replace INTER_GIGE with INTEL_GIGE. * linux/dev/drivers/net/Space.c: Add conditional probes for natsemi, ns820, winbond840, hamachi, sundance, starfire, myson803 and intel-gige drivers. * linux/src/include/asm-i386/cache.h: New file from linux 2.2.26. * linux/dev/include/linux/malloc.h: Include <asm/cache.h>. * linux/src/drivers/net/ns820.c (netsami_drv_id): Renamed to ... (ns820_drv_id): ... this. Fix all callers. * linux/src/drivers/net/intel-gige.c (skel_netdev_probe): Renamed to ... (igige_probe): ... this. * linux/dev/drivers/net/eepro100.c: Remove obsoleted file. * linux/src/drivers/net/eepro100.c (pci_id_tbl): Add PCI ID's from linux-2.6.14-rc4. 2006-01-22 Alfred M. Szmidt <ams@gnu.org> * i386/linux/configure.ac: Added `pci-scan.o' to the network driver class. (ns820, myson803, sundance, winbond-840, hamachi): New drivers. * i386/linux/Makefile.in (linux-net-files): Added `cb_shim.c', `hamachi.c', `intel-gige.c', `myson803.c', `natsemi.c', `ns820.c', `starfire.c', `sundance.c', `winbond-840.c' and `pci-scan.c'. * linux/dev/include/linux/modversions.h: New file. * linux/src/drivers/net/cb_shim.c, linux/src/drivers/net/hamachi.c, linux/src/drivers/net/intel-gige.c, linux/src/drivers/net/myson803.c, linux/src/drivers/net/natsemi.c, linux/src/drivers/net/ns820.c, linux/src/drivers/net/starfire.c, linux/src/drivers/net/sundance.c, linux/src/drivers/net/winbond-840.c, linux/src/drivers/net/kern_compat.h, linux/src/drivers/net/pci-scan.c, linux/src/drivers/net/pci-scan.h: New files from netdrivers 3.5 package (http://www.scyld.com/network). * linux/src/drivers/net/3c59x.c, linux/src/drivers/net/eepro100.c, linux/src/drivers/net/epic100.c, linux/src/drivers/net/ne2k-pci.c, linux/src/drivers/net/rtl8139.c, linux/src/drivers/net/tulip.c, linux/src/drivers/net/via-rhine.c, linux/src/drivers/net/yellowfin.c: Updated files from netdrivers 3.5 (http://www.scyld.com/network).
Diffstat (limited to 'linux/dev/drivers')
-rw-r--r--linux/dev/drivers/net/Space.c32
-rw-r--r--linux/dev/drivers/net/eepro100.c2284
2 files changed, 32 insertions, 2284 deletions
diff --git a/linux/dev/drivers/net/Space.c b/linux/dev/drivers/net/Space.c
index 0fb25bd..db40d0c 100644
--- a/linux/dev/drivers/net/Space.c
+++ b/linux/dev/drivers/net/Space.c
@@ -62,6 +62,14 @@ extern int ewrk3_probe(struct device *);
extern int de4x5_probe(struct device *);
extern int el1_probe(struct device *);
extern int via_rhine_probe(struct device *);
+extern int natsemi_probe(struct device *);
+extern int ns820_probe(struct device *);
+extern int winbond840_probe(struct device *);
+extern int hamachi_probe(struct device *);
+extern int sundance_probe(struct device *);
+extern int starfire_probe(struct device *);
+extern int myson803_probe(struct device *);
+extern int igige_probe(struct device *);
#if defined(CONFIG_WAVELAN)
extern int wavelan_probe(struct device *);
#endif /* defined(CONFIG_WAVELAN) */
@@ -132,6 +140,30 @@ ethif_probe(struct device *dev)
#ifdef CONFIG_VIA_RHINE
&& via_rhine_probe(dev)
#endif
+#ifdef CONFIG_NATSEMI
+ && natsemi_probe(dev)
+#endif
+#ifdef CONFIG_NS820
+ && ns820_probe(dev)
+#endif
+#ifdef CONFIG_WINBOND840
+ && winbond840_probe(dev)
+#endif
+#ifdef CONFIG_HAMACHI
+ && hamachi_probe(dev)
+#endif
+#ifdef CONFIG_SUNDANCE
+ && sundance_probe(dev)
+#endif
+#ifdef CONFIG_STARFIRE
+ && starfire_probe(dev)
+#endif
+#ifdef CONFIG_MYSON803
+ && myson803_probe(dev)
+#endif
+#ifdef CONFIG_INTEL_GIGE
+ && igige_probe(dev)
+#endif
#if defined(CONFIG_DEC_ELCP)
&& tulip_probe(dev)
#endif
diff --git a/linux/dev/drivers/net/eepro100.c b/linux/dev/drivers/net/eepro100.c
deleted file mode 100644
index 802e7a4..0000000
--- a/linux/dev/drivers/net/eepro100.c
+++ /dev/null
@@ -1,2284 +0,0 @@
-/* drivers/net/eepro100.c: An Intel i82557-559 Ethernet driver for Linux. */
-/*
- NOTICE: this version of the driver is supposed to work with 2.2 kernels.
- Written 1996-1999 by Donald Becker.
-
- This software may be used and distributed according to the terms
- of the GNU Public License, incorporated herein by reference.
-
- This driver is for the Intel EtherExpress Pro100 (Speedo3) design.
- It should work with all i82557/558/559 boards.
-
- To use as a module, use the compile-command at the end of the file.
-
- The author may be reached as becker@CESDIS.usra.edu, or C/O
- Center of Excellence in Space Data and Information Sciences
- Code 930.5, NASA Goddard Space Flight Center, Greenbelt MD 20771
- For updates see
- http://cesdis.gsfc.nasa.gov/linux/drivers/eepro100.html
- For installation instructions
- http://cesdis.gsfc.nasa.gov/linux/misc/modules.html
- There is a Majordomo mailing list based at
- linux-eepro100@cesdis.gsfc.nasa.gov
-
- The driver also contains updates by different kernel developers.
- This driver clone is maintained by Andrey V. Savochkin <saw@saw.sw.com.sg>.
- Please use this email address and linux-kernel mailing list for bug reports.
-
- Modification history:
- 2000 Mar 24 Dragan Stancevic <visitor@valinux.com>
- Disabled FC and ER, to avoid lockups when when we get FCP interrupts.
- 2000 May 27 Andrey Moruga <moruga@sw.com.sg>
- Code duplication for 82559ER support was removed.
- Accurate handling of all supported chips was implemented.
- Some fixes in 2.3 clone of the driver were ported.
- 2000 May 30 Dragan Stancevic <visitor@valinux.com> and
- Andrey Moruga <moruga@sw.com.sg>
- Honor PortReset timing specification.
- 2000 Jul 25 Dragan Stancevic <visitor@valinux.com>
- Changed to MMIO, resized FIFOs, resized rings, changed ISR timeout
- Problem reported by:
- Marc MERLIN <merlin@valinux.com>
- 2000 Nov 15 Dragan Stancevic <visitor@valinux.com>
- Changed command completion time and added debug info as to which
- CMD timed out. Problem reported by:
- "Ulrich Windl" <Ulrich.Windl@rz.uni-regensburg.de>
-*/
-
-#define USE_IO
-static const char *version =
-"eepro100.c:v1.09j-t 9/29/99 Donald Becker http://cesdis.gsfc.nasa.gov/linux/drivers/eepro100.html\n"
-"eepro100.c: $Revision: 1.1 $ 2000/05/31 Modified by Andrey V. Savochkin <saw@saw.sw.com.sg> and others\n"
-"eepro100.c: VA Linux custom, Dragan Stancevic <visitor@valinux.com> 2000/11/15\n";
-
-/* A few user-configurable values that apply to all boards.
- First set is undocumented and spelled per Intel recommendations. */
-
-static int congenb = 0; /* Enable congestion control in the DP83840. */
-static int txfifo = 0; /* Tx FIFO threshold in 4 byte units, 0-15 */
-static int rxfifo = 0xF; /* Rx FIFO threshold, default 32 bytes. */
-/* Tx/Rx DMA burst length, 0-127, 0 == no preemption, tx==128 -> disabled. */
-static int txdmacount = 128;
-static int rxdmacount = 0;
-
-/* Set the copy breakpoint for the copy-only-tiny-buffer Rx method.
- Lower values use more memory, but are faster. */
-#if defined(__alpha__) || defined(__sparc__)
-/* force copying of all packets to avoid unaligned accesses on Alpha */
-static int rx_copybreak = 1518;
-#else
-static int rx_copybreak = 200;
-#endif
-
-/* Maximum events (Rx packets, etc.) to handle at each interrupt. */
-static int max_interrupt_work = 200;
-
-/* Maximum number of multicast addresses to filter (vs. rx-all-multicast) */
-static int multicast_filter_limit = 64;
-
-/* 'options' is used to pass a transceiver override or full-duplex flag
- e.g. "options=16" for FD, "options=32" for 100mbps-only. */
-static int full_duplex[] = {-1, -1, -1, -1, -1, -1, -1, -1};
-static int options[] = {-1, -1, -1, -1, -1, -1, -1, -1};
-#ifdef MODULE
-static int debug = -1; /* The debug level */
-#endif
-
-/* A few values that may be tweaked. */
-/* The ring sizes should be a power of two for efficiency. */
-#define TX_RING_SIZE 64
-#define RX_RING_SIZE 64
-/* How much slots multicast filter setup may take.
- Do not descrease without changing set_rx_mode() implementaion. */
-#define TX_MULTICAST_SIZE 2
-#define TX_MULTICAST_RESERV (TX_MULTICAST_SIZE*2)
-/* Actual number of TX packets queued, must be
- <= TX_RING_SIZE-TX_MULTICAST_RESERV. */
-#define TX_QUEUE_LIMIT (TX_RING_SIZE-TX_MULTICAST_RESERV)
-/* Hysteresis marking queue as no longer full. */
-#define TX_QUEUE_UNFULL (TX_QUEUE_LIMIT-4)
-
-/* Operational parameters that usually are not changed. */
-
-/* Time in jiffies before concluding the transmitter is hung. */
-#define TX_TIMEOUT (2*HZ)
-/* Size of an pre-allocated Rx buffer: <Ethernet MTU> + slack.*/
-#define PKT_BUF_SZ 1536
-
-#if !defined(__OPTIMIZE__) || !defined(__KERNEL__)
-#warning You must compile this file with the correct options!
-#warning See the last lines of the source file.
-#error You must compile this driver with "-O".
-#endif
-
-#include <linux/version.h>
-#include <linux/module.h>
-#if defined(MODVERSIONS)
-#include <linux/modversions.h>
-#endif
-
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-#include <linux/errno.h>
-#include <linux/ioport.h>
-#include <linux/malloc.h>
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/compatmac.h>
-#include <asm/spinlock.h>
-#include <asm/processor.h>
-#include <asm/bitops.h>
-#include <asm/io.h>
-/* #include <asm/unaligned.h> */
-/* #include <asm/byteorder.h> */
-#define __LITTLE_ENDIAN
-#include <asm/hardirq.h>
-
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/delay.h>
-
-#if defined(MODULE) && (LINUX_VERSION_CODE > 0x20115)
-MODULE_AUTHOR("Maintainer: Andrey V. Savochkin <saw@saw.sw.com.sg>");
-MODULE_DESCRIPTION("Intel i82557/i82558 PCI EtherExpressPro driver");
-MODULE_PARM(debug, "i");
-MODULE_PARM(options, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(full_duplex, "1-" __MODULE_STRING(8) "i");
-MODULE_PARM(congenb, "i");
-MODULE_PARM(txfifo, "i");
-MODULE_PARM(rxfifo, "i");
-MODULE_PARM(txdmacount, "i");
-MODULE_PARM(rxdmacount, "i");
-MODULE_PARM(rx_copybreak, "i");
-MODULE_PARM(max_interrupt_work, "i");
-MODULE_PARM(multicast_filter_limit, "i");
-#endif
-
-#if (LINUX_VERSION_CODE >= 0x20100)
-static char kernel_version[] = UTS_RELEASE;
-#endif
-
-#if LINUX_VERSION_CODE < 0x20123
-#define hard_smp_processor_id() smp_processor_id()
-#define test_and_set_bit(val, addr) set_bit(val, addr)
-#define le16_to_cpu(val) (val)
-#define le32_to_cpu(val) (val)
-#define cpu_to_le32(val) (val)
-#define cpu_to_le16(val) (val)
-#endif
-#if LINUX_VERSION_CODE <= 0x20139
-#define net_device_stats enet_statistics
-#else
-#define NETSTATS_VER2
-#endif
-#if LINUX_VERSION_CODE < 0x20155
-/* Grrrr, the PCI code changed, but did not consider CardBus... */
-#include <linux/bios32.h>
-#define PCI_SUPPORT_VER1
-#else
-#define PCI_SUPPORT_VER2
-#endif
-#if LINUX_VERSION_CODE < 0x20159
-#define dev_free_skb(skb) dev_kfree_skb(skb, FREE_WRITE);
-#else
-#define dev_free_skb(skb) dev_kfree_skb(skb);
-#endif
-#if ! defined(CAP_NET_ADMIN)
-#define capable(CAP_XXX) (suser())
-#endif
-
-#define RUN_AT(x) (jiffies + (x))
-/* Condensed bus+endian portability operations. */
-#define virt_to_le32desc(addr) cpu_to_le32(virt_to_bus(addr))
-#define le32desc_to_virt(addr) bus_to_virt(le32_to_cpu(addr))
-
-#define net_device device
-#define pci_base_address(p, n) (p)->base_address[n]
-
-#define netif_wake_queue(dev) do { \
- clear_bit(0, (void*)&dev->tbusy); \
- mark_bh(NET_BH); \
- } while(0)
-#define netif_start_queue(dev) clear_bit(0, (void*)&dev->tbusy)
-#define netif_stop_queue(dev) set_bit(0, (void*)&dev->tbusy)
-#ifndef PCI_DEVICE_ID_INTEL_82559ER
-#define PCI_DEVICE_ID_INTEL_82559ER 0x1209
-#endif
-#ifndef PCI_DEVICE_ID_INTEL_ID1029
-#define PCI_DEVICE_ID_INTEL_ID1029 0x1029
-#endif
-#ifndef PCI_DEVICE_ID_INTEL_ID1030
-#define PCI_DEVICE_ID_INTEL_ID1030 0x1030
-#endif
-#ifndef PCI_DEVICE_ID_INTEL_ID2449
-#define PCI_DEVICE_ID_INTEL_ID2449 0x2449
-#endif
-
-/* The total I/O port extent of the board.
- The registers beyond 0x18 only exist on the i82558. */
-#define SPEEDO3_TOTAL_SIZE 0x20
-
-int speedo_debug = 1;
-
-/*
- Theory of Operation
-
-I. Board Compatibility
-
-This device driver is designed for the Intel i82557 "Speedo3" chip, Intel's
-single-chip fast Ethernet controller for PCI, as used on the Intel
-EtherExpress Pro 100 adapter.
-
-II. Board-specific settings
-
-PCI bus devices are configured by the system at boot time, so no jumpers
-need to be set on the board. The system BIOS should be set to assign the
-PCI INTA signal to an otherwise unused system IRQ line. While it's
-possible to share PCI interrupt lines, it negatively impacts performance and
-only recent kernels support it.
-
-III. Driver operation
-
-IIIA. General
-The Speedo3 is very similar to other Intel network chips, that is to say
-"apparently designed on a different planet". This chips retains the complex
-Rx and Tx descriptors and multiple buffers pointers as previous chips, but
-also has simplified Tx and Rx buffer modes. This driver uses the "flexible"
-Tx mode, but in a simplified lower-overhead manner: it associates only a
-single buffer descriptor with each frame descriptor.
-
-Despite the extra space overhead in each receive skbuff, the driver must use
-the simplified Rx buffer mode to assure that only a single data buffer is
-associated with each RxFD. The driver implements this by reserving space
-for the Rx descriptor at the head of each Rx skbuff.
-
-The Speedo-3 has receive and command unit base addresses that are added to
-almost all descriptor pointers. The driver sets these to zero, so that all
-pointer fields are absolute addresses.
-
-The System Control Block (SCB) of some previous Intel chips exists on the
-chip in both PCI I/O and memory space. This driver uses the I/O space
-registers, but might switch to memory mapped mode to better support non-x86
-processors.
-
-IIIB. Transmit structure
-
-The driver must use the complex Tx command+descriptor mode in order to
-have a indirect pointer to the skbuff data section. Each Tx command block
-(TxCB) is associated with two immediately appended Tx Buffer Descriptor
-(TxBD). A fixed ring of these TxCB+TxBD pairs are kept as part of the
-speedo_private data structure for each adapter instance.
-
-The newer i82558 explicitly supports this structure, and can read the two
-TxBDs in the same PCI burst as the TxCB.
-
-This ring structure is used for all normal transmit packets, but the
-transmit packet descriptors aren't long enough for most non-Tx commands such
-as CmdConfigure. This is complicated by the possibility that the chip has
-already loaded the link address in the previous descriptor. So for these
-commands we convert the next free descriptor on the ring to a NoOp, and point
-that descriptor's link to the complex command.
-
-An additional complexity of these non-transmit commands are that they may be
-added asynchronous to the normal transmit queue, so we disable interrupts
-whenever the Tx descriptor ring is manipulated.
-
-A notable aspect of these special configure commands is that they do
-work with the normal Tx ring entry scavenge method. The Tx ring scavenge
-is done at interrupt time using the 'dirty_tx' index, and checking for the
-command-complete bit. While the setup frames may have the NoOp command on the
-Tx ring marked as complete, but not have completed the setup command, this
-is not a problem. The tx_ring entry can be still safely reused, as the
-tx_skbuff[] entry is always empty for config_cmd and mc_setup frames.
-
-Commands may have bits set e.g. CmdSuspend in the command word to either
-suspend or stop the transmit/command unit. This driver always flags the last
-command with CmdSuspend, erases the CmdSuspend in the previous command, and
-then issues a CU_RESUME.
-Note: Watch out for the potential race condition here: imagine
- erasing the previous suspend
- the chip processes the previous command
- the chip processes the final command, and suspends
- doing the CU_RESUME
- the chip processes the next-yet-valid post-final-command.
-So blindly sending a CU_RESUME is only safe if we do it immediately after
-after erasing the previous CmdSuspend, without the possibility of an
-intervening delay. Thus the resume command is always within the
-interrupts-disabled region. This is a timing dependence, but handling this
-condition in a timing-independent way would considerably complicate the code.
-
-Note: In previous generation Intel chips, restarting the command unit was a
-notoriously slow process. This is presumably no longer true.
-
-IIIC. Receive structure
-
-Because of the bus-master support on the Speedo3 this driver uses the new
-SKBUFF_RX_COPYBREAK scheme, rather than a fixed intermediate receive buffer.
-This scheme allocates full-sized skbuffs as receive buffers. The value
-SKBUFF_RX_COPYBREAK is used as the copying breakpoint: it is chosen to
-trade-off the memory wasted by passing the full-sized skbuff to the queue
-layer for all frames vs. the copying cost of copying a frame to a
-correctly-sized skbuff.
-
-For small frames the copying cost is negligible (esp. considering that we
-are pre-loading the cache with immediately useful header information), so we
-allocate a new, minimally-sized skbuff. For large frames the copying cost
-is non-trivial, and the larger copy might flush the cache of useful data, so
-we pass up the skbuff the packet was received into.
-
-IV. Notes
-
-Thanks to Steve Williams of Intel for arranging the non-disclosure agreement
-that stated that I could disclose the information. But I still resent
-having to sign an Intel NDA when I'm helping Intel sell their own product!
-
-*/
-
-/* This table drives the PCI probe routines. */
-static struct net_device *speedo_found1(struct pci_dev *pdev, int pci_bus,
- int pci_devfn, long ioaddr,
- int chip_idx, int card_idx);
-
-#ifdef USE_IO
-#define SPEEDO_IOTYPE PCI_USES_MASTER|PCI_USES_IO|PCI_ADDR1
-#define SPEEDO_SIZE 32
-#else
-#define SPEEDO_IOTYPE PCI_USES_MASTER|PCI_USES_MEM|PCI_ADDR0
-#define SPEEDO_SIZE 0x1000
-#endif
-
-enum pci_flags_bit {
- PCI_USES_IO=1, PCI_USES_MEM=2, PCI_USES_MASTER=4,
- PCI_ADDR0=0x10<<0, PCI_ADDR1=0x10<<1, PCI_ADDR2=0x10<<2, PCI_ADDR3=0x10<<3,
-};
-struct pci_id_info {
- const char *name;
- u16 vendor_id, device_id;
- int pci_index;
-} static pci_tbl[] = {
- { "Intel PCI EtherExpress Pro100 82557",
- PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82557,
- 0
- },
- { "Intel PCI EtherExpress Pro100 82559ER",
- PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82559ER,
- 0
- },
- { "Intel PCI EtherExpress Pro100 ID1029",
- PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ID1029,
- 0
- },
- { "Intel Corporation 82559 InBusiness 10/100",
- PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ID1030,
- 0
- },
- { "Intel PCI EtherExpress Pro100 82562EM",
- PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ID2449,
- 0
- },
- {0,} /* 0 terminated list. */
-};
-
-static inline unsigned int io_inw(unsigned long port)
-{
- return inw(port);
-}
-static inline void io_outw(unsigned int val, unsigned long port)
-{
- outw(val, port);
-}
-
-#ifndef USE_IO
-#undef inb
-#undef inw
-#undef inl
-#undef outb
-#undef outw
-#undef outl
-#define inb readb
-#define inw readw
-#define inl readl
-#define outb writeb
-#define outw writew
-#define outl writel
-#endif
-
-/* How to wait for the command unit to accept a command.
- Typically this takes 0 ticks. */
-static inline void wait_for_cmd_done(long cmd_ioaddr)
-{
- int wait = 20000;
- char cmd_reg1, cmd_reg2;
- do ;
- while((cmd_reg1 = inb(cmd_ioaddr)) && (--wait >= 0));
-
- /* Last chance to change your mind --Dragan*/
- if (wait < 0){
- cmd_reg2 = inb(cmd_ioaddr);
- if(cmd_reg2){
- printk(KERN_ALERT "eepro100: cmd_wait for(%#2.2x) timedout with(%#2.2x)!\n",
- cmd_reg1, cmd_reg2);
-
- }
- }
-
-}
-
-/* Offsets to the various registers.
- All accesses need not be longword aligned. */
-enum speedo_offsets {
- SCBStatus = 0, SCBCmd = 2, /* Rx/Command Unit command and status. */
- SCBPointer = 4, /* General purpose pointer. */
- SCBPort = 8, /* Misc. commands and operands. */
- SCBflash = 12, SCBeeprom = 14, /* EEPROM and flash memory control. */
- SCBCtrlMDI = 16, /* MDI interface control. */
- SCBEarlyRx = 20, /* Early receive byte count. */
-};
-/* Commands that can be put in a command list entry. */
-enum commands {
- CmdNOp = 0, CmdIASetup = 0x10000, CmdConfigure = 0x20000,
- CmdMulticastList = 0x30000, CmdTx = 0x40000, CmdTDR = 0x50000,
- CmdDump = 0x60000, CmdDiagnose = 0x70000,
- CmdSuspend = 0x40000000, /* Suspend after completion. */
- CmdIntr = 0x20000000, /* Interrupt after completion. */
- CmdTxFlex = 0x00080000, /* Use "Flexible mode" for CmdTx command. */
-};
-/* Clear CmdSuspend (1<<30) avoiding interference with the card access to the
- status bits. Previous driver versions used separate 16 bit fields for
- commands and statuses. --SAW
- */
-#if defined(__LITTLE_ENDIAN)
-#define clear_suspend(cmd) ((__u16 *)&(cmd)->cmd_status)[1] &= ~0x4000
-#elif defined(__BIG_ENDIAN)
-#define clear_suspend(cmd) ((__u16 *)&(cmd)->cmd_status)[1] &= ~0x0040
-#else
-#error Unsupported byteorder
-#endif
-
-enum SCBCmdBits {
- SCBMaskCmdDone=0x8000, SCBMaskRxDone=0x4000, SCBMaskCmdIdle=0x2000,
- SCBMaskRxSuspend=0x1000, SCBMaskEarlyRx=0x0800, SCBMaskFlowCtl=0x0400,
- SCBTriggerIntr=0x0200, SCBMaskAll=0x0100,
- /* The rest are Rx and Tx commands. */
- CUStart=0x0010, CUResume=0x0020, CUStatsAddr=0x0040, CUShowStats=0x0050,
- CUCmdBase=0x0060, /* CU Base address (set to zero) . */
- CUDumpStats=0x0070, /* Dump then reset stats counters. */
- RxStart=0x0001, RxResume=0x0002, RxAbort=0x0004, RxAddrLoad=0x0006,
- RxResumeNoResources=0x0007,
-};
-
-enum SCBPort_cmds {
- PortReset=0, PortSelfTest=1, PortPartialReset=2, PortDump=3,
-};
-
-/* The Speedo3 Rx and Tx frame/buffer descriptors. */
-struct descriptor { /* A generic descriptor. */
- s32 cmd_status; /* All command and status fields. */
- u32 link; /* struct descriptor * */
- unsigned char params[0];
-};
-
-/* The Speedo3 Rx and Tx buffer descriptors. */
-struct RxFD { /* Receive frame descriptor. */
- s32 status;
- u32 link; /* struct RxFD * */
- u32 rx_buf_addr; /* void * */
- u32 count;
-};
-
-/* Selected elements of the Tx/RxFD.status word. */
-enum RxFD_bits {
- RxComplete=0x8000, RxOK=0x2000,
- RxErrCRC=0x0800, RxErrAlign=0x0400, RxErrTooBig=0x0200, RxErrSymbol=0x0010,
- RxEth2Type=0x0020, RxNoMatch=0x0004, RxNoIAMatch=0x0002,
- TxUnderrun=0x1000, StatusComplete=0x8000,
-};
-
-struct TxFD { /* Transmit frame descriptor set. */
- s32 status;
- u32 link; /* void * */
- u32 tx_desc_addr; /* Always points to the tx_buf_addr element. */
- s32 count; /* # of TBD (=1), Tx start thresh., etc. */
- /* This constitutes two "TBD" entries -- we only use one. */
- u32 tx_buf_addr0; /* void *, frame to be transmitted. */
- s32 tx_buf_size0; /* Length of Tx frame. */
- u32 tx_buf_addr1; /* void *, frame to be transmitted. */
- s32 tx_buf_size1; /* Length of Tx frame. */
-};
-
-/* Multicast filter setting block. --SAW */
-struct speedo_mc_block {
- struct speedo_mc_block *next;
- unsigned int tx;
- struct descriptor frame __attribute__ ((__aligned__(16)));
-};
-
-/* Elements of the dump_statistics block. This block must be lword aligned. */
-struct speedo_stats {
- u32 tx_good_frames;
- u32 tx_coll16_errs;
- u32 tx_late_colls;
- u32 tx_underruns;
- u32 tx_lost_carrier;
- u32 tx_deferred;
- u32 tx_one_colls;
- u32 tx_multi_colls;
- u32 tx_total_colls;
- u32 rx_good_frames;
- u32 rx_crc_errs;
- u32 rx_align_errs;
- u32 rx_resource_errs;
- u32 rx_overrun_errs;
- u32 rx_colls_errs;
- u32 rx_runt_errs;
- u32 done_marker;
-};
-
-enum Rx_ring_state_bits {
- RrNoMem=1, RrPostponed=2, RrNoResources=4, RrOOMReported=8,
-};
-
-/* Do not change the position (alignment) of the first few elements!
- The later elements are grouped for cache locality. */
-struct speedo_private {
- struct TxFD tx_ring[TX_RING_SIZE]; /* Commands (usually CmdTxPacket). */
- struct RxFD *rx_ringp[RX_RING_SIZE]; /* Rx descriptor, used as ring. */
- /* The addresses of a Tx/Rx-in-place packets/buffers. */
- struct sk_buff* tx_skbuff[TX_RING_SIZE];
- struct sk_buff* rx_skbuff[RX_RING_SIZE];
- struct descriptor *last_cmd; /* Last command sent. */
- unsigned int cur_tx, dirty_tx; /* The ring entries to be free()ed. */
- spinlock_t lock; /* Group with Tx control cache line. */
- u32 tx_threshold; /* The value for txdesc.count. */
- struct RxFD *last_rxf; /* Last command sent. */
- unsigned int cur_rx, dirty_rx; /* The next free ring entry */
- long last_rx_time; /* Last Rx, in jiffies, to handle Rx hang. */
- const char *product_name;
- struct net_device *next_module;
- void *priv_addr; /* Unaligned address for kfree */
- struct enet_statistics stats;
- struct speedo_stats lstats;
- int chip_id;
- unsigned char pci_bus, pci_devfn, acpi_pwr;
- struct timer_list timer; /* Media selection timer. */
- struct speedo_mc_block *mc_setup_head;/* Multicast setup frame list head. */
- struct speedo_mc_block *mc_setup_tail;/* Multicast setup frame list tail. */
- int in_interrupt; /* Word-aligned dev->interrupt */
- char rx_mode; /* Current PROMISC/ALLMULTI setting. */
- unsigned int tx_full:1; /* The Tx queue is full. */
- unsigned int full_duplex:1; /* Full-duplex operation requested. */
- unsigned int flow_ctrl:1; /* Use 802.3x flow control. */
- unsigned int rx_bug:1; /* Work around receiver hang errata. */
- unsigned int rx_bug10:1; /* Receiver might hang at 10mbps. */
- unsigned int rx_bug100:1; /* Receiver might hang at 100mbps. */
- unsigned char default_port:8; /* Last dev->if_port value. */
- unsigned char rx_ring_state; /* RX ring status flags. */
- unsigned short phy[2]; /* PHY media interfaces available. */
- unsigned short advertising; /* Current PHY advertised caps. */
- unsigned short partner; /* Link partner caps. */
-};
-
-/* The parameters for a CmdConfigure operation.
- There are so many options that it would be difficult to document each bit.
- We mostly use the default or recommended settings. */
-const char i82557_config_cmd[22] = {
- 22, 0x08, 0, 0, 0, 0, 0x32, 0x03, 1, /* 1=Use MII 0=Use AUI */
- 0, 0x2E, 0, 0x60, 0,
- 0xf2, 0x48, 0, 0x40, 0xf2, 0x80, /* 0x40=Force full-duplex */
- 0x3f, 0x05, };
-const char i82558_config_cmd[22] = {
- 22, 0x08, 0, 1, 0, 0, 0x22, 0x03, 1, /* 1=Use MII 0=Use AUI */
- 0, 0x2E, 0, 0x60, 0x08, 0x88,
- 0x68, 0, 0x40, 0xf2, 0x84, /* Disable FC */
- 0x31, 0x05, };
-
-/* PHY media interface chips. */
-static const char *phys[] = {
- "None", "i82553-A/B", "i82553-C", "i82503",
- "DP83840", "80c240", "80c24", "i82555",
- "unknown-8", "unknown-9", "DP83840A", "unknown-11",
- "unknown-12", "unknown-13", "unknown-14", "unknown-15", };
-enum phy_chips { NonSuchPhy=0, I82553AB, I82553C, I82503, DP83840, S80C240,
- S80C24, I82555, DP83840A=10, };
-static const char is_mii[] = { 0, 1, 1, 0, 1, 1, 0, 1 };
-#define EE_READ_CMD (6)
-
-static int do_eeprom_cmd(long ioaddr, int cmd, int cmd_len);
-static int mdio_read(long ioaddr, int phy_id, int location);
-static int mdio_write(long ioaddr, int phy_id, int location, int value);
-static int speedo_open(struct net_device *dev);
-static void speedo_resume(struct net_device *dev);
-static void speedo_timer(unsigned long data);
-static void speedo_init_rx_ring(struct net_device *dev);
-static void speedo_tx_timeout(struct net_device *dev);
-static int speedo_start_xmit(struct sk_buff *skb, struct net_device *dev);
-static void speedo_refill_rx_buffers(struct net_device *dev, int force);
-static int speedo_rx(struct net_device *dev);
-static void speedo_tx_buffer_gc(struct net_device *dev);
-static void speedo_interrupt(int irq, void *dev_instance, struct pt_regs *regs);
-static int speedo_close(struct net_device *dev);
-static struct enet_statistics *speedo_get_stats(struct net_device *dev);
-static int speedo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-static void set_rx_mode(struct net_device *dev);
-static void speedo_show_state(struct net_device *dev);
-
-
-
-#ifdef honor_default_port
-/* Optional driver feature to allow forcing the transceiver setting.
- Not recommended. */
-static int mii_ctrl[8] = { 0x3300, 0x3100, 0x0000, 0x0100,
- 0x2000, 0x2100, 0x0400, 0x3100};
-#endif
-
-/* A list of all installed Speedo devices, for removing the driver module. */
-static struct net_device *root_speedo_dev = NULL;
-
-int eepro100_init(void)
-{
- int cards_found = 0;
- int chip_idx;
- struct pci_dev *pdev;
- struct pci_dev rdev; pdev = &rdev;
-
- if (! pcibios_present())
- return cards_found;
-
- for (chip_idx = 0; pci_tbl[chip_idx].name; chip_idx++) {
- for (; pci_tbl[chip_idx].pci_index < 8; pci_tbl[chip_idx].pci_index++) {
- unsigned char pci_bus, pci_device_fn, pci_latency;
- unsigned long pciaddr;
- long ioaddr;
- int irq;
-
- u16 pci_command, new_command;
-
- if (pcibios_find_device(pci_tbl[chip_idx].vendor_id,
- pci_tbl[chip_idx].device_id,
- pci_tbl[chip_idx].pci_index, &pci_bus,
- &pci_device_fn))
- break;
- {
-#if defined(PCI_SUPPORT_VER2)
- pdev = pci_find_slot(pci_bus, pci_device_fn);
-#ifdef USE_IO
- pciaddr = pci_base_address(pdev, 1); /* Use [0] to mem-map */
-#else
- pciaddr = pci_base_address(pdev, 0);
-#endif
- irq = pdev->irq;
-#else
- u32 pci_ioaddr;
- u8 pci_irq_line;
-#ifdef USE_IO
- pcibios_read_config_dword(pci_bus, pci_device_fn,
- PCI_BASE_ADDRESS_1, &pci_ioaddr);
-#else
- pcibios_read_config_dword(pci_bus, pci_device_fn,
- PCI_BASE_ADDRESS_0, &pci_ioaddr);
-#endif
- pcibios_read_config_byte(pci_bus, pci_device_fn,
- PCI_INTERRUPT_LINE, &pci_irq_line);
- pciaddr = pci_ioaddr;
- irq = pci_irq_line;
- pdev->irq = irq;
-#endif
- }
- /* Remove I/O space marker in bit 0. */
- if (pciaddr & 1) {
- ioaddr = pciaddr & ~3UL;
- if (check_region(ioaddr, 32))
- continue;
- } else {
-#ifdef __sparc__
- /* ioremap is hosed in 2.2.x on Sparc. */
- ioaddr = pciaddr & ~0xfUL;
-#else
- if ((ioaddr = (long)ioremap(pciaddr & ~0xfUL, 0x1000)) == 0) {
- printk(KERN_INFO "Failed to map PCI address %#lx.\n",
- pciaddr);
- continue;
- }
-#endif
- }
- if (speedo_debug > 2)
- printk("Found Intel i82557 PCI Speedo at I/O %#lx, IRQ %d.\n",
- ioaddr, irq);
-
- /* Get and check the bus-master and latency values. */
- pcibios_read_config_word(pci_bus, pci_device_fn,
- PCI_COMMAND, &pci_command);
- new_command = pci_command | PCI_COMMAND_MASTER|PCI_COMMAND_IO;
- if (pci_command != new_command) {
- printk(KERN_INFO " The PCI BIOS has not enabled this"
- " device! Updating PCI command %4.4x->%4.4x.\n",
- pci_command, new_command);
- pcibios_write_config_word(pci_bus, pci_device_fn,
- PCI_COMMAND, new_command);
- }
- pcibios_read_config_byte(pci_bus, pci_device_fn,
- PCI_LATENCY_TIMER, &pci_latency);
- if (pci_latency < 32) {
- printk(" PCI latency timer (CFLT) is unreasonably low at %d."
- " Setting to 32 clocks.\n", pci_latency);
- pcibios_write_config_byte(pci_bus, pci_device_fn,
- PCI_LATENCY_TIMER, 32);
- } else if (speedo_debug > 1)
- printk(" PCI latency timer (CFLT) is %#x.\n", pci_latency);
-
- if (speedo_found1(pdev, pci_bus, pci_device_fn, ioaddr, chip_idx, cards_found))
- cards_found++;
- }
- }
-
- return cards_found;
-}
-
-static struct net_device *speedo_found1(struct pci_dev *pdev, int pci_bus,
- int pci_devfn, long ioaddr,
- int chip_idx, int card_idx)
-{
- struct net_device *dev;
- struct speedo_private *sp;
- const char *product;
- int i, option;
- u16 eeprom[0x100];
- int acpi_idle_state = 0;
-#ifndef MODULE
- static int did_version = 0; /* Already printed version info. */
- if (speedo_debug > 0 && did_version++ == 0)
- printk(version);
-#endif
-
- dev = init_etherdev(NULL, sizeof(struct speedo_private));
-
- if (dev->mem_start > 0)
- option = dev->mem_start;
- else if (card_idx >= 0 && options[card_idx] >= 0)
- option = options[card_idx];
- else
- option = 0;
-
- /* Read the station address EEPROM before doing the reset.
- Nominally his should even be done before accepting the device, but
- then we wouldn't have a device name with which to report the error.
- The size test is for 6 bit vs. 8 bit address serial EEPROMs.
- */
- {
- unsigned long iobase;
- int read_cmd, ee_size;
- u16 sum;
- int j;
-
- /* Use IO only to avoid postponed writes and satisfy EEPROM timing
- requirements. */
-#if defined(PCI_SUPPORT_VER2)
- iobase = pci_base_address(pdev, 1) & ~3UL;
-#else
- {
- u32 pci_ioaddr;
- pcibios_read_config_dword(pci_bus, pci_devfn,
- PCI_BASE_ADDRESS_1, &pci_ioaddr);
- iobase = pci_ioaddr & ~3UL;
- }
-#endif
- if ((do_eeprom_cmd(iobase, EE_READ_CMD << 24, 27) & 0xffe0000)
- == 0xffe0000) {
- ee_size = 0x100;
- read_cmd = EE_READ_CMD << 24;
- } else {
- ee_size = 0x40;
- read_cmd = EE_READ_CMD << 22;
- }
-
- for (j = 0, i = 0, sum = 0; i < ee_size; i++) {
- u16 value = do_eeprom_cmd(iobase, read_cmd | (i << 16), 27);
- eeprom[i] = value;
- sum += value;
- if (i < 3) {
- dev->dev_addr[j++] = value;
- dev->dev_addr[j++] = value >> 8;
- }
- }
- if (sum != 0xBABA)
- printk(KERN_WARNING "%s: Invalid EEPROM checksum %#4.4x, "
- "check settings before activating this device!\n",
- dev->name, sum);
- /* Don't unregister_netdev(dev); as the EEPro may actually be
- usable, especially if the MAC address is set later.
- On the other hand, it may be unusable if MDI data is corrupted. */
- }
-
- /* Reset the chip: stop Tx and Rx processes and clear counters.
- This takes less than 10usec and will easily finish before the next
- action. */
- outl(PortReset, ioaddr + SCBPort);
- inl(ioaddr + SCBPort);
- /* Honor PortReset timing. */
- udelay(10);
-
- if (eeprom[3] & 0x0100)
- product = "OEM i82557/i82558 10/100 Ethernet";
- else
- product = pci_tbl[chip_idx].name;
-
- printk(KERN_INFO "%s: %s, ", dev->name, product);
-
- for (i = 0; i < 5; i++)
- printk("%2.2X:", dev->dev_addr[i]);
- printk("%2.2X, ", dev->dev_addr[i]);
-#ifdef USE_IO
- printk("I/O at %#3lx, ", ioaddr);
-#endif
- printk("IRQ %d.\n", pdev->irq);
-
-#if 1 || defined(kernel_bloat)
- /* OK, this is pure kernel bloat. I don't like it when other drivers
- waste non-pageable kernel space to emit similar messages, but I need
- them for bug reports. */
- {
- const char *connectors[] = {" RJ45", " BNC", " AUI", " MII"};
- /* The self-test results must be paragraph aligned. */
- s32 str[6], *volatile self_test_results;
- int boguscnt = 16000; /* Timeout for set-test. */
- if ((eeprom[3] & 0x03) != 0x03)
- printk(KERN_INFO " Receiver lock-up bug exists -- enabling"
- " work-around.\n");
- printk(KERN_INFO " Board assembly %4.4x%2.2x-%3.3d, Physical"
- " connectors present:",
- eeprom[8], eeprom[9]>>8, eeprom[9] & 0xff);
- for (i = 0; i < 4; i++)
- if (eeprom[5] & (1<<i))
- printk(connectors[i]);
- printk("\n"KERN_INFO" Primary interface chip %s PHY #%d.\n",
- phys[(eeprom[6]>>8)&15], eeprom[6] & 0x1f);
- if (eeprom[7] & 0x0700)
- printk(KERN_INFO " Secondary interface chip %s.\n",
- phys[(eeprom[7]>>8)&7]);
- if (((eeprom[6]>>8) & 0x3f) == DP83840
- || ((eeprom[6]>>8) & 0x3f) == DP83840A) {
- int mdi_reg23 = mdio_read(ioaddr, eeprom[6] & 0x1f, 23) | 0x0422;
- if (congenb)
- mdi_reg23 |= 0x0100;
- printk(KERN_INFO" DP83840 specific setup, setting register 23 to %4.4x.\n",
- mdi_reg23);
- mdio_write(ioaddr, eeprom[6] & 0x1f, 23, mdi_reg23);
- }
- if ((option >= 0) && (option & 0x70)) {
- printk(KERN_INFO " Forcing %dMbs %s-duplex operation.\n",
- (option & 0x20 ? 100 : 10),
- (option & 0x10 ? "full" : "half"));
- mdio_write(ioaddr, eeprom[6] & 0x1f, 0,
- ((option & 0x20) ? 0x2000 : 0) | /* 100mbps? */
- ((option & 0x10) ? 0x0100 : 0)); /* Full duplex? */
- }
-
- /* Perform a system self-test. */
- self_test_results = (s32*) ((((long) str) + 15) & ~0xf);
- self_test_results[0] = 0;
- self_test_results[1] = -1;
- outl(virt_to_bus(self_test_results) | PortSelfTest, ioaddr + SCBPort);
- do {
- udelay(10);
- } while (self_test_results[1] == -1 && --boguscnt >= 0);
-
- if (boguscnt < 0) { /* Test optimized out. */
- printk(KERN_ERR "Self test failed, status %8.8x:\n"
- KERN_ERR " Failure to initialize the i82557.\n"
- KERN_ERR " Verify that the card is a bus-master"
- " capable slot.\n",
- self_test_results[1]);
- } else
- printk(KERN_INFO " General self-test: %s.\n"
- KERN_INFO " Serial sub-system self-test: %s.\n"
- KERN_INFO " Internal registers self-test: %s.\n"
- KERN_INFO " ROM checksum self-test: %s (%#8.8x).\n",
- self_test_results[1] & 0x1000 ? "failed" : "passed",
- self_test_results[1] & 0x0020 ? "failed" : "passed",
- self_test_results[1] & 0x0008 ? "failed" : "passed",
- self_test_results[1] & 0x0004 ? "failed" : "passed",
- self_test_results[0]);
- }
-#endif /* kernel_bloat */
-
- outl(PortReset, ioaddr + SCBPort);
- inl(ioaddr + SCBPort);
- /* Honor PortReset timing. */
- udelay(10);
-
- /* We do a request_region() only to register /proc/ioports info. */
- request_region(ioaddr, SPEEDO3_TOTAL_SIZE, "Intel Speedo3 Ethernet");
-
- dev->base_addr = ioaddr;
- dev->irq = pdev->irq;
-
- sp = dev->priv;
- if (dev->priv == NULL) {
- void *mem = kmalloc(sizeof(*sp), GFP_KERNEL);
- dev->priv = sp = mem; /* Cache align here if kmalloc does not. */
- sp->priv_addr = mem;
- }
- memset(sp, 0, sizeof(*sp));
- sp->next_module = root_speedo_dev;
- root_speedo_dev = dev;
-
- sp->pci_bus = pci_bus;
- sp->pci_devfn = pci_devfn;
- sp->chip_id = chip_idx;
- sp->acpi_pwr = acpi_idle_state;
-
- sp->full_duplex = option >= 0 && (option & 0x10) ? 1 : 0;
- if (card_idx >= 0) {
- if (full_duplex[card_idx] >= 0)
- sp->full_duplex = full_duplex[card_idx];
- }
- sp->default_port = option >= 0 ? (option & 0x0f) : 0;
-
- sp->phy[0] = eeprom[6];
- sp->phy[1] = eeprom[7];
- sp->rx_bug = (eeprom[3] & 0x03) == 3 ? 0 : 1;
-
- if (sp->rx_bug)
- printk(KERN_INFO " Receiver lock-up workaround activated.\n");
-
- /* The Speedo-specific entries in the device structure. */
- dev->open = &speedo_open;
- dev->hard_start_xmit = &speedo_start_xmit;
-#if defined(HAS_NETIF_QUEUE)
- dev->tx_timeout = &speedo_tx_timeout;
- dev->watchdog_timeo = TX_TIMEOUT;
-#endif
- dev->stop = &speedo_close;
- dev->get_stats = &speedo_get_stats;
- dev->set_multicast_list = &set_rx_mode;
- dev->do_ioctl = &speedo_ioctl;
-
- return dev;
-}
-
-/* Serial EEPROM section.
- A "bit" grungy, but we work our way through bit-by-bit :->. */
-/* EEPROM_Ctrl bits. */
-#define EE_SHIFT_CLK 0x01 /* EEPROM shift clock. */
-#define EE_CS 0x02 /* EEPROM chip select. */
-#define EE_DATA_WRITE 0x04 /* EEPROM chip data in. */
-#define EE_DATA_READ 0x08 /* EEPROM chip data out. */
-#define EE_ENB (0x4800 | EE_CS)
-#define EE_WRITE_0 0x4802
-#define EE_WRITE_1 0x4806
-#define EE_OFFSET SCBeeprom
-
-/* The fixes for the code were kindly provided by Dragan Stancevic
- <visitor@valinux.com> to strictly follow Intel specifications of EEPROM
- access timing.
- The publicly available sheet 64486302 (sec. 3.1) specifies 1us access
- interval for serial EEPROM. However, it looks like that there is an
- additional requirement dictating larger udelay's in the code below.
- 2000/05/24 SAW */
-static int do_eeprom_cmd(long ioaddr, int cmd, int cmd_len)
-{
- unsigned retval = 0;
- long ee_addr = ioaddr + SCBeeprom;
-
- io_outw(EE_ENB, ee_addr); udelay(2);
- io_outw(EE_ENB | EE_SHIFT_CLK, ee_addr); udelay(2);
-
- /* Shift the command bits out. */
- do {
- short dataval = (cmd & (1 << cmd_len)) ? EE_WRITE_1 : EE_WRITE_0;
- io_outw(dataval, ee_addr); udelay(2);
- io_outw(dataval | EE_SHIFT_CLK, ee_addr); udelay(2);
- retval = (retval << 1) | ((io_inw(ee_addr) & EE_DATA_READ) ? 1 : 0);
- } while (--cmd_len >= 0);
- io_outw(EE_ENB, ee_addr); udelay(2);
-
- /* Terminate the EEPROM access. */
- io_outw(EE_ENB & ~EE_CS, ee_addr);
- return retval;
-}
-
-static int mdio_read(long ioaddr, int phy_id, int location)
-{
- int val, boguscnt = 64*10; /* <64 usec. to complete, typ 27 ticks */
- outl(0x08000000 | (location<<16) | (phy_id<<21), ioaddr + SCBCtrlMDI);
- do {
- val = inl(ioaddr + SCBCtrlMDI);
- if (--boguscnt < 0) {
- printk(KERN_ERR " mdio_read() timed out with val = %8.8x.\n", val);
- break;
- }
- } while (! (val & 0x10000000));
- return val & 0xffff;
-}
-
-static int mdio_write(long ioaddr, int phy_id, int location, int value)
-{
- int val, boguscnt = 64*10; /* <64 usec. to complete, typ 27 ticks */
- outl(0x04000000 | (location<<16) | (phy_id<<21) | value,
- ioaddr + SCBCtrlMDI);
- do {
- val = inl(ioaddr + SCBCtrlMDI);
- if (--boguscnt < 0) {
- printk(KERN_ERR" mdio_write() timed out with val = %8.8x.\n", val);
- break;
- }
- } while (! (val & 0x10000000));
- return val & 0xffff;
-}
-
-
-static int
-speedo_open(struct net_device *dev)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- long ioaddr = dev->base_addr;
-
- if (speedo_debug > 1)
- printk(KERN_DEBUG "%s: speedo_open() irq %d.\n", dev->name, dev->irq);
-
- MOD_INC_USE_COUNT;
-
- /* Set up the Tx queue early.. */
- sp->cur_tx = 0;
- sp->dirty_tx = 0;
- sp->last_cmd = 0;
- sp->tx_full = 0;
- sp->lock = (spinlock_t) SPIN_LOCK_UNLOCKED;
- sp->in_interrupt = 0;
-
- /* .. we can safely take handler calls during init. */
- if (request_irq(dev->irq, &speedo_interrupt, SA_SHIRQ, dev->name, dev)) {
- MOD_DEC_USE_COUNT;
- return -EAGAIN;
- }
-
- dev->if_port = sp->default_port;
-
-#ifdef oh_no_you_dont_unless_you_honour_the_options_passed_in_to_us
- /* Retrigger negotiation to reset previous errors. */
- if ((sp->phy[0] & 0x8000) == 0) {
- int phy_addr = sp->phy[0] & 0x1f ;
- /* Use 0x3300 for restarting NWay, other values to force xcvr:
- 0x0000 10-HD
- 0x0100 10-FD
- 0x2000 100-HD
- 0x2100 100-FD
- */
-#ifdef honor_default_port
- mdio_write(ioaddr, phy_addr, 0, mii_ctrl[dev->default_port & 7]);
-#else
- mdio_write(ioaddr, phy_addr, 0, 0x3300);
-#endif
- }
-#endif
-
- speedo_init_rx_ring(dev);
-
- /* Fire up the hardware. */
- outw(SCBMaskAll, ioaddr + SCBCmd);
- speedo_resume(dev);
-
- dev->interrupt = 0;
- dev->start = 1;
- netif_start_queue(dev);
-
- /* Setup the chip and configure the multicast list. */
- sp->mc_setup_head = NULL;
- sp->mc_setup_tail = NULL;
- sp->flow_ctrl = sp->partner = 0;
- sp->rx_mode = -1; /* Invalid -> always reset the mode. */
- set_rx_mode(dev);
- if ((sp->phy[0] & 0x8000) == 0)
- sp->advertising = mdio_read(ioaddr, sp->phy[0] & 0x1f, 4);
-
- if (speedo_debug > 2) {
- printk(KERN_DEBUG "%s: Done speedo_open(), status %8.8x.\n",
- dev->name, inw(ioaddr + SCBStatus));
- }
-
- /* Set the timer. The timer serves a dual purpose:
- 1) to monitor the media interface (e.g. link beat) and perhaps switch
- to an alternate media type
- 2) to monitor Rx activity, and restart the Rx process if the receiver
- hangs. */
- init_timer(&sp->timer);
- sp->timer.expires = RUN_AT((24*HZ)/10); /* 2.4 sec. */
- sp->timer.data = (unsigned long)dev;
- sp->timer.function = &speedo_timer; /* timer handler */
- add_timer(&sp->timer);
-
- /* No need to wait for the command unit to accept here. */
- if ((sp->phy[0] & 0x8000) == 0)
- mdio_read(ioaddr, sp->phy[0] & 0x1f, 0);
-
- return 0;
-}
-
-/* Start the chip hardware after a full reset. */
-static void speedo_resume(struct net_device *dev)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- long ioaddr = dev->base_addr;
-
- /* Start with a Tx threshold of 256 (0x..20.... 8 byte units). */
- sp->tx_threshold = 0x01208000;
-
- /* Set the segment registers to '0'. */
- wait_for_cmd_done(ioaddr + SCBCmd);
- outl(0, ioaddr + SCBPointer);
- /* impose a delay to avoid a bug */
- inl(ioaddr + SCBPointer);
- udelay(10);
- outb(RxAddrLoad, ioaddr + SCBCmd);
- wait_for_cmd_done(ioaddr + SCBCmd);
- outb(CUCmdBase, ioaddr + SCBCmd);
- wait_for_cmd_done(ioaddr + SCBCmd);
-
- /* Load the statistics block and rx ring addresses. */
- outl(virt_to_bus(&sp->lstats), ioaddr + SCBPointer);
- outb(CUStatsAddr, ioaddr + SCBCmd);
- sp->lstats.done_marker = 0;
- wait_for_cmd_done(ioaddr + SCBCmd);
-
- if (sp->rx_ringp[sp->cur_rx % RX_RING_SIZE] == NULL) {
- if (speedo_debug > 2)
- printk(KERN_DEBUG "%s: NULL cur_rx in speedo_resume().\n",
- dev->name);
- } else {
- outl(virt_to_bus(sp->rx_ringp[sp->cur_rx % RX_RING_SIZE]),
- ioaddr + SCBPointer);
- outb(RxStart, ioaddr + SCBCmd);
- wait_for_cmd_done(ioaddr + SCBCmd);
- }
-
- outb(CUDumpStats, ioaddr + SCBCmd);
-
- /* Fill the first command with our physical address. */
- {
- struct descriptor *ias_cmd;
-
- ias_cmd =
- (struct descriptor *)&sp->tx_ring[sp->cur_tx++ % TX_RING_SIZE];
- /* Avoid a bug(?!) here by marking the command already completed. */
- ias_cmd->cmd_status = cpu_to_le32((CmdSuspend | CmdIASetup) | 0xa000);
- ias_cmd->link =
- virt_to_le32desc(&sp->tx_ring[sp->cur_tx % TX_RING_SIZE]);
- memcpy(ias_cmd->params, dev->dev_addr, 6);
- sp->last_cmd = ias_cmd;
- }
-
- /* Start the chip's Tx process and unmask interrupts. */
- wait_for_cmd_done(ioaddr + SCBCmd);
- outl(virt_to_bus(&sp->tx_ring[sp->dirty_tx % TX_RING_SIZE]),
- ioaddr + SCBPointer);
- /* We are not ACK-ing FCP and ER in the interrupt handler yet so they should
- remain masked --Dragan */
- outw(CUStart | SCBMaskEarlyRx | SCBMaskFlowCtl, ioaddr + SCBCmd);
-}
-
-/* Media monitoring and control. */
-static void speedo_timer(unsigned long data)
-{
- struct net_device *dev = (struct net_device *)data;
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- long ioaddr = dev->base_addr;
- int phy_num = sp->phy[0] & 0x1f;
-
- /* We have MII and lost link beat. */
- if ((sp->phy[0] & 0x8000) == 0) {
- int partner = mdio_read(ioaddr, phy_num, 5);
- if (partner != sp->partner) {
- int flow_ctrl = sp->advertising & partner & 0x0400 ? 1 : 0;
- if (speedo_debug > 2) {
- printk(KERN_DEBUG "%s: Link status change.\n", dev->name);
- printk(KERN_DEBUG "%s: Old partner %x, new %x, adv %x.\n",
- dev->name, sp->partner, partner, sp->advertising);
- }
- sp->partner = partner;
- if (flow_ctrl != sp->flow_ctrl) {
- sp->flow_ctrl = flow_ctrl;
- sp->rx_mode = -1; /* Trigger a reload. */
- }
- /* Clear sticky bit. */
- mdio_read(ioaddr, phy_num, 1);
- /* If link beat has returned... */
- if (mdio_read(ioaddr, phy_num, 1) & 0x0004)
- dev->flags |= IFF_RUNNING;
- else
- dev->flags &= ~IFF_RUNNING;
- }
- }
- if (speedo_debug > 3) {
- printk(KERN_DEBUG "%s: Media control tick, status %4.4x.\n",
- dev->name, inw(ioaddr + SCBStatus));
- }
- if (sp->rx_mode < 0 ||
- (sp->rx_bug && jiffies - sp->last_rx_time > 2*HZ)) {
- /* We haven't received a packet in a Long Time. We might have been
- bitten by the receiver hang bug. This can be cleared by sending
- a set multicast list command. */
- if (speedo_debug > 2)
- printk(KERN_DEBUG "%s: Sending a multicast list set command"
- " from a timer routine.\n", dev->name);
- set_rx_mode(dev);
- }
- /* We must continue to monitor the media. */
- sp->timer.expires = RUN_AT(2*HZ); /* 2.0 sec. */
- add_timer(&sp->timer);
-}
-
-static void speedo_show_state(struct net_device *dev)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
-#if 0
- long ioaddr = dev->base_addr;
- int phy_num = sp->phy[0] & 0x1f;
-#endif
- int i;
-
- /* Print a few items for debugging. */
- if (speedo_debug > 0) {
- int i;
- printk(KERN_DEBUG "%s: Tx ring dump, Tx queue %u / %u:\n", dev->name,
- sp->cur_tx, sp->dirty_tx);
- for (i = 0; i < TX_RING_SIZE; i++)
- printk(KERN_DEBUG "%s: %c%c%2d %8.8x.\n", dev->name,
- i == sp->dirty_tx % TX_RING_SIZE ? '*' : ' ',
- i == sp->cur_tx % TX_RING_SIZE ? '=' : ' ',
- i, sp->tx_ring[i].status);
- }
- printk(KERN_DEBUG "%s: Printing Rx ring"
- " (next to receive into %u, dirty index %u).\n",
- dev->name, sp->cur_rx, sp->dirty_rx);
-
- for (i = 0; i < RX_RING_SIZE; i++)
- printk(KERN_DEBUG "%s: %c%c%c%2d %8.8x.\n", dev->name,
- sp->rx_ringp[i] == sp->last_rxf ? 'l' : ' ',
- i == sp->dirty_rx % RX_RING_SIZE ? '*' : ' ',
- i == sp->cur_rx % RX_RING_SIZE ? '=' : ' ',
- i, (sp->rx_ringp[i] != NULL) ?
- (unsigned)sp->rx_ringp[i]->status : 0);
-
-#if 0
- for (i = 0; i < 16; i++) {
- /* FIXME: what does it mean? --SAW */
- if (i == 6) i = 21;
- printk(KERN_DEBUG "%s: PHY index %d register %d is %4.4x.\n",
- dev->name, phy_num, i, mdio_read(ioaddr, phy_num, i));
- }
-#endif
-
-}
-
-/* Initialize the Rx and Tx rings, along with various 'dev' bits. */
-static void
-speedo_init_rx_ring(struct net_device *dev)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- struct RxFD *rxf, *last_rxf = NULL;
- int i;
-
- sp->cur_rx = 0;
-
- for (i = 0; i < RX_RING_SIZE; i++) {
- struct sk_buff *skb;
- skb = dev_alloc_skb(PKT_BUF_SZ + sizeof(struct RxFD));
- sp->rx_skbuff[i] = skb;
- if (skb == NULL)
- break; /* OK. Just initially short of Rx bufs. */
- skb->dev = dev; /* Mark as being used by this device. */
- rxf = (struct RxFD *)skb->tail;
- sp->rx_ringp[i] = rxf;
- skb_reserve(skb, sizeof(struct RxFD));
- if (last_rxf)
- last_rxf->link = virt_to_le32desc(rxf);
- last_rxf = rxf;
- rxf->status = cpu_to_le32(0x00000001); /* '1' is flag value only. */
- rxf->link = 0; /* None yet. */
- /* This field unused by i82557. */
- rxf->rx_buf_addr = 0xffffffff;
- rxf->count = cpu_to_le32(PKT_BUF_SZ << 16);
- }
- sp->dirty_rx = (unsigned int)(i - RX_RING_SIZE);
- /* Mark the last entry as end-of-list. */
- last_rxf->status = cpu_to_le32(0xC0000002); /* '2' is flag value only. */
- sp->last_rxf = last_rxf;
-}
-
-static void speedo_purge_tx(struct net_device *dev)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- int entry;
-
- while ((int)(sp->cur_tx - sp->dirty_tx) > 0) {
- entry = sp->dirty_tx % TX_RING_SIZE;
- if (sp->tx_skbuff[entry]) {
- sp->stats.tx_errors++;
- dev_free_skb(sp->tx_skbuff[entry]);
- sp->tx_skbuff[entry] = 0;
- }
- sp->dirty_tx++;
- }
- while (sp->mc_setup_head != NULL) {
- struct speedo_mc_block *t;
- if (speedo_debug > 1)
- printk(KERN_DEBUG "%s: freeing mc frame.\n", dev->name);
- t = sp->mc_setup_head->next;
- kfree(sp->mc_setup_head);
- sp->mc_setup_head = t;
- }
- sp->mc_setup_tail = NULL;
- sp->tx_full = 0;
- netif_wake_queue(dev);
-}
-
-static void reset_mii(struct net_device *dev)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- long ioaddr = dev->base_addr;
- /* Reset the MII transceiver, suggested by Fred Young @ scalable.com. */
- if ((sp->phy[0] & 0x8000) == 0) {
- int phy_addr = sp->phy[0] & 0x1f;
- int advertising = mdio_read(ioaddr, phy_addr, 4);
- int mii_bmcr = mdio_read(ioaddr, phy_addr, 0);
- mdio_write(ioaddr, phy_addr, 0, 0x0400);
- mdio_write(ioaddr, phy_addr, 1, 0x0000);
- mdio_write(ioaddr, phy_addr, 4, 0x0000);
- mdio_write(ioaddr, phy_addr, 0, 0x8000);
-#ifdef honor_default_port
- mdio_write(ioaddr, phy_addr, 0, mii_ctrl[dev->default_port & 7]);
-#else
- mdio_read(ioaddr, phy_addr, 0);
- mdio_write(ioaddr, phy_addr, 0, mii_bmcr);
- mdio_write(ioaddr, phy_addr, 4, advertising);
-#endif
- }
-}
-
-static void speedo_tx_timeout(struct net_device *dev)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- long ioaddr = dev->base_addr;
- int status = inw(ioaddr + SCBStatus);
- unsigned long flags;
-
- printk(KERN_WARNING "%s: Transmit timed out: status %4.4x "
- " %4.4x at %d/%d command %8.8x.\n",
- dev->name, status, inw(ioaddr + SCBCmd),
- sp->dirty_tx, sp->cur_tx,
- sp->tx_ring[sp->dirty_tx % TX_RING_SIZE].status);
-
- /* Trigger a stats dump to give time before the reset. */
- speedo_get_stats(dev);
-
- speedo_show_state(dev);
-#if 0
- if ((status & 0x00C0) != 0x0080
- && (status & 0x003C) == 0x0010) {
- /* Only the command unit has stopped. */
- printk(KERN_WARNING "%s: Trying to restart the transmitter...\n",
- dev->name);
- outl(virt_to_bus(&sp->tx_ring[sp->dirty_tx % TX_RING_SIZE]),
- ioaddr + SCBPointer);
- outw(CUStart, ioaddr + SCBCmd);
- reset_mii(dev);
- } else {
-#else
- {
-#endif
- start_bh_atomic();
- /* Ensure that timer routine doesn't run! */
- del_timer(&sp->timer);
- end_bh_atomic();
- /* Reset the Tx and Rx units. */
- outl(PortReset, ioaddr + SCBPort);
- /* We may get spurious interrupts here. But I don't think that they
- may do much harm. 1999/12/09 SAW */
- udelay(10);
- /* Disable interrupts. */
- outw(SCBMaskAll, ioaddr + SCBCmd);
- synchronize_irq();
- speedo_tx_buffer_gc(dev);
- /* Free as much as possible.
- It helps to recover from a hang because of out-of-memory.
- It also simplifies speedo_resume() in case TX ring is full or
- close-to-be full. */
- speedo_purge_tx(dev);
- speedo_refill_rx_buffers(dev, 1);
- spin_lock_irqsave(&sp->lock, flags);
- speedo_resume(dev);
- sp->rx_mode = -1;
- dev->trans_start = jiffies;
- spin_unlock_irqrestore(&sp->lock, flags);
- set_rx_mode(dev); /* it takes the spinlock itself --SAW */
- /* Reset MII transceiver. Do it before starting the timer to serialize
- mdio_xxx operations. Yes, it's a paranoya :-) 2000/05/09 SAW */
- reset_mii(dev);
- sp->timer.expires = RUN_AT(2*HZ);
- add_timer(&sp->timer);
- }
- return;
-}
-
-static int
-speedo_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- long ioaddr = dev->base_addr;
- int entry;
-
-#if ! defined(HAS_NETIF_QUEUE)
- if (test_bit(0, (void*)&dev->tbusy) != 0) {
- int tickssofar = jiffies - dev->trans_start;
- if (tickssofar < TX_TIMEOUT - 2)
- return 1;
- if (tickssofar < TX_TIMEOUT) {
- /* Reap sent packets from the full Tx queue. */
- unsigned long flags;
- /* Take a spinlock to make wait_for_cmd_done and sending the
- command atomic. --SAW */
- spin_lock_irqsave(&sp->lock, flags);
- wait_for_cmd_done(ioaddr + SCBCmd);
- outw(SCBTriggerIntr, ioaddr + SCBCmd);
- spin_unlock_irqrestore(&sp->lock, flags);
- return 1;
- }
- speedo_tx_timeout(dev);
- return 1;
- }
-#endif
-
- { /* Prevent interrupts from changing the Tx ring from underneath us. */
- unsigned long flags;
-
- spin_lock_irqsave(&sp->lock, flags);
-
- /* Check if there are enough space. */
- if ((int)(sp->cur_tx - sp->dirty_tx) >= TX_QUEUE_LIMIT) {
- printk(KERN_ERR "%s: incorrect tbusy state, fixed.\n", dev->name);
- netif_stop_queue(dev);
- sp->tx_full = 1;
- spin_unlock_irqrestore(&sp->lock, flags);
- return 1;
- }
-
- /* Calculate the Tx descriptor entry. */
- entry = sp->cur_tx++ % TX_RING_SIZE;
-
- sp->tx_skbuff[entry] = skb;
- sp->tx_ring[entry].status =
- cpu_to_le32(CmdSuspend | CmdTx | CmdTxFlex);
- if (!(entry & ((TX_RING_SIZE>>2)-1)))
- sp->tx_ring[entry].status |= cpu_to_le32(CmdIntr);
- sp->tx_ring[entry].link =
- virt_to_le32desc(&sp->tx_ring[sp->cur_tx % TX_RING_SIZE]);
- sp->tx_ring[entry].tx_desc_addr =
- virt_to_le32desc(&sp->tx_ring[entry].tx_buf_addr0);
- /* The data region is always in one buffer descriptor. */
- sp->tx_ring[entry].count = cpu_to_le32(sp->tx_threshold);
- sp->tx_ring[entry].tx_buf_addr0 = virt_to_le32desc(skb->data);
- sp->tx_ring[entry].tx_buf_size0 = cpu_to_le32(skb->len);
- /* Trigger the command unit resume. */
- wait_for_cmd_done(ioaddr + SCBCmd);
- clear_suspend(sp->last_cmd);
- /* We want the time window between clearing suspend flag on the previous
- command and resuming CU to be as small as possible.
- Interrupts in between are very undesired. --SAW */
- outb(CUResume, ioaddr + SCBCmd);
- sp->last_cmd = (struct descriptor *)&sp->tx_ring[entry];
-
- /* Leave room for set_rx_mode(). If there is no more space than reserved
- for multicast filter mark the ring as full. */
- if ((int)(sp->cur_tx - sp->dirty_tx) >= TX_QUEUE_LIMIT) {
- netif_stop_queue(dev);
- sp->tx_full = 1;
- }
-
- spin_unlock_irqrestore(&sp->lock, flags);
- }
-
- dev->trans_start = jiffies;
-
- return 0;
-}
-
-static void speedo_tx_buffer_gc(struct net_device *dev)
-{
- unsigned int dirty_tx;
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
-
- dirty_tx = sp->dirty_tx;
- while ((int)(sp->cur_tx - dirty_tx) > 0) {
- int entry = dirty_tx % TX_RING_SIZE;
- int status = le32_to_cpu(sp->tx_ring[entry].status);
-
- if (speedo_debug > 5)
- printk(KERN_DEBUG " scavenge candidate %d status %4.4x.\n",
- entry, status);
- if ((status & StatusComplete) == 0)
- break; /* It still hasn't been processed. */
- if (status & TxUnderrun)
- if (sp->tx_threshold < 0x01e08000) {
- if (speedo_debug > 2)
- printk(KERN_DEBUG "%s: TX underrun, threshold adjusted.\n",
- dev->name);
- sp->tx_threshold += 0x00040000;
- }
- /* Free the original skb. */
- if (sp->tx_skbuff[entry]) {
- sp->stats.tx_packets++; /* Count only user packets. */
- /* sp->stats.tx_bytes += sp->tx_skbuff[entry]->len; */
- dev_free_skb(sp->tx_skbuff[entry]);
- sp->tx_skbuff[entry] = 0;
- }
- dirty_tx++;
- }
-
- if (speedo_debug && (int)(sp->cur_tx - dirty_tx) > TX_RING_SIZE) {
- printk(KERN_ERR "out-of-sync dirty pointer, %d vs. %d,"
- " full=%d.\n",
- dirty_tx, sp->cur_tx, sp->tx_full);
- dirty_tx += TX_RING_SIZE;
- }
-
- while (sp->mc_setup_head != NULL
- && (int)(dirty_tx - sp->mc_setup_head->tx - 1) > 0) {
- struct speedo_mc_block *t;
- if (speedo_debug > 1)
- printk(KERN_DEBUG "%s: freeing mc frame.\n", dev->name);
- t = sp->mc_setup_head->next;
- kfree(sp->mc_setup_head);
- sp->mc_setup_head = t;
- }
- if (sp->mc_setup_head == NULL)
- sp->mc_setup_tail = NULL;
-
- sp->dirty_tx = dirty_tx;
-}
-
-/* The interrupt handler does all of the Rx thread work and cleans up
- after the Tx thread. */
-static void speedo_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
-{
- struct net_device *dev = (struct net_device *)dev_instance;
- struct speedo_private *sp;
- long ioaddr, boguscnt = max_interrupt_work;
- unsigned short status;
-
-#ifndef final_version
- if (dev == NULL) {
- printk(KERN_ERR "speedo_interrupt(): irq %d for unknown device.\n", irq);
- return;
- }
-#endif
-
- ioaddr = dev->base_addr;
- sp = (struct speedo_private *)dev->priv;
-
-#ifndef final_version
- /* A lock to prevent simultaneous entry on SMP machines. */
- if (test_and_set_bit(0, (void*)&sp->in_interrupt)) {
- printk(KERN_ERR"%s: SMP simultaneous entry of an interrupt handler.\n",
- dev->name);
- sp->in_interrupt = 0; /* Avoid halting machine. */
- return;
- }
- dev->interrupt = 1;
-#endif
-
- do {
- status = inw(ioaddr + SCBStatus);
- /* Acknowledge all of the current interrupt sources ASAP. */
- /* Will change from 0xfc00 to 0xff00 when we start handling
- FCP and ER interrupts --Dragan */
- outw(status & 0xfc00, ioaddr + SCBStatus);
-
- if (speedo_debug > 3)
- printk(KERN_DEBUG "%s: interrupt status=%#4.4x.\n",
- dev->name, status);
-
- if ((status & 0xfc00) == 0)
- break;
-
- /* Always check if all rx buffers are allocated. --SAW */
- speedo_refill_rx_buffers(dev, 0);
-
- if ((status & 0x5000) || /* Packet received, or Rx error. */
- (sp->rx_ring_state&(RrNoMem|RrPostponed)) == RrPostponed)
- /* Need to gather the postponed packet. */
- speedo_rx(dev);
-
- if (status & 0x1000) {
- spin_lock(&sp->lock);
- if ((status & 0x003c) == 0x0028) { /* No more Rx buffers. */
- struct RxFD *rxf;
- printk(KERN_WARNING "%s: card reports no RX buffers.\n",
- dev->name);
- rxf = sp->rx_ringp[sp->cur_rx % RX_RING_SIZE];
- if (rxf == NULL) {
- if (speedo_debug > 2)
- printk(KERN_DEBUG
- "%s: NULL cur_rx in speedo_interrupt().\n",
- dev->name);
- sp->rx_ring_state |= RrNoMem|RrNoResources;
- } else if (rxf == sp->last_rxf) {
- if (speedo_debug > 2)
- printk(KERN_DEBUG
- "%s: cur_rx is last in speedo_interrupt().\n",
- dev->name);
- sp->rx_ring_state |= RrNoMem|RrNoResources;
- } else
- outb(RxResumeNoResources, ioaddr + SCBCmd);
- } else if ((status & 0x003c) == 0x0008) { /* No resources. */
- struct RxFD *rxf;
- printk(KERN_WARNING "%s: card reports no resources.\n",
- dev->name);
- rxf = sp->rx_ringp[sp->cur_rx % RX_RING_SIZE];
- if (rxf == NULL) {
- if (speedo_debug > 2)
- printk(KERN_DEBUG
- "%s: NULL cur_rx in speedo_interrupt().\n",
- dev->name);
- sp->rx_ring_state |= RrNoMem|RrNoResources;
- } else if (rxf == sp->last_rxf) {
- if (speedo_debug > 2)
- printk(KERN_DEBUG
- "%s: cur_rx is last in speedo_interrupt().\n",
- dev->name);
- sp->rx_ring_state |= RrNoMem|RrNoResources;
- } else {
- /* Restart the receiver. */
- outl(virt_to_bus(sp->rx_ringp[sp->cur_rx % RX_RING_SIZE]),
- ioaddr + SCBPointer);
- outb(RxStart, ioaddr + SCBCmd);
- }
- }
- sp->stats.rx_errors++;
- spin_unlock(&sp->lock);
- }
-
- if ((sp->rx_ring_state&(RrNoMem|RrNoResources)) == RrNoResources) {
- printk(KERN_WARNING
- "%s: restart the receiver after a possible hang.\n",
- dev->name);
- spin_lock(&sp->lock);
- /* Restart the receiver.
- I'm not sure if it's always right to restart the receiver
- here but I don't know another way to prevent receiver hangs.
- 1999/12/25 SAW */
- outl(virt_to_bus(sp->rx_ringp[sp->cur_rx % RX_RING_SIZE]),
- ioaddr + SCBPointer);
- outb(RxStart, ioaddr + SCBCmd);
- sp->rx_ring_state &= ~RrNoResources;
- spin_unlock(&sp->lock);
- }
-
- /* User interrupt, Command/Tx unit interrupt or CU not active. */
- if (status & 0xA400) {
- spin_lock(&sp->lock);
- speedo_tx_buffer_gc(dev);
- if (sp->tx_full
- && (int)(sp->cur_tx - sp->dirty_tx) < TX_QUEUE_UNFULL) {
- /* The ring is no longer full. */
- sp->tx_full = 0;
- netif_wake_queue(dev); /* Attention: under a spinlock. --SAW */
- }
- spin_unlock(&sp->lock);
- }
-
- if (--boguscnt < 0) {
- printk(KERN_ERR "%s: Too much work at interrupt, status=0x%4.4x.\n",
- dev->name, status);
- /* Clear all interrupt sources. */
- /* Will change from 0xfc00 to 0xff00 when we start handling
- FCP and ER interrupts --Dragan */
- outl(0xfc00, ioaddr + SCBStatus);
- break;
- }
- } while (1);
-
- if (speedo_debug > 3)
- printk(KERN_DEBUG "%s: exiting interrupt, status=%#4.4x.\n",
- dev->name, inw(ioaddr + SCBStatus));
-
- dev->interrupt = 0;
- clear_bit(0, (void*)&sp->in_interrupt);
- return;
-}
-
-static inline struct RxFD *speedo_rx_alloc(struct net_device *dev, int entry)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- struct RxFD *rxf;
- struct sk_buff *skb;
- /* Get a fresh skbuff to replace the consumed one. */
- skb = dev_alloc_skb(PKT_BUF_SZ + sizeof(struct RxFD));
- sp->rx_skbuff[entry] = skb;
- if (skb == NULL) {
- sp->rx_ringp[entry] = NULL;
- return NULL;
- }
- rxf = sp->rx_ringp[entry] = (struct RxFD *)skb->tail;
- skb->dev = dev;
- skb_reserve(skb, sizeof(struct RxFD));
- rxf->rx_buf_addr = virt_to_bus(skb->tail);
- return rxf;
-}
-
-static inline void speedo_rx_link(struct net_device *dev, int entry,
- struct RxFD *rxf)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- rxf->status = cpu_to_le32(0xC0000001); /* '1' for driver use only. */
- rxf->link = 0; /* None yet. */
- rxf->count = cpu_to_le32(PKT_BUF_SZ << 16);
- sp->last_rxf->link = virt_to_le32desc(rxf);
- sp->last_rxf->status &= cpu_to_le32(~0xC0000000);
- sp->last_rxf = rxf;
-}
-
-static int speedo_refill_rx_buf(struct net_device *dev, int force)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- int entry;
- struct RxFD *rxf;
-
- entry = sp->dirty_rx % RX_RING_SIZE;
- if (sp->rx_skbuff[entry] == NULL) {
- rxf = speedo_rx_alloc(dev, entry);
- if (rxf == NULL) {
- unsigned int forw;
- int forw_entry;
- if (speedo_debug > 2 || !(sp->rx_ring_state & RrOOMReported)) {
- printk(KERN_WARNING "%s: can't fill rx buffer (force %d)!\n",
- dev->name, force);
- speedo_show_state(dev);
- sp->rx_ring_state |= RrOOMReported;
- }
- if (!force)
- return -1; /* Better luck next time! */
- /* Borrow an skb from one of next entries. */
- for (forw = sp->dirty_rx + 1; forw != sp->cur_rx; forw++)
- if (sp->rx_skbuff[forw % RX_RING_SIZE] != NULL)
- break;
- if (forw == sp->cur_rx)
- return -1;
- forw_entry = forw % RX_RING_SIZE;
- sp->rx_skbuff[entry] = sp->rx_skbuff[forw_entry];
- sp->rx_skbuff[forw_entry] = NULL;
- rxf = sp->rx_ringp[forw_entry];
- sp->rx_ringp[forw_entry] = NULL;
- sp->rx_ringp[entry] = rxf;
- }
- } else {
- rxf = sp->rx_ringp[entry];
- }
- speedo_rx_link(dev, entry, rxf);
- sp->dirty_rx++;
- sp->rx_ring_state &= ~(RrNoMem|RrOOMReported); /* Mark the progress. */
- return 0;
-}
-
-static void speedo_refill_rx_buffers(struct net_device *dev, int force)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
-
- /* Refill the RX ring. */
- while ((int)(sp->cur_rx - sp->dirty_rx) > 0 &&
- speedo_refill_rx_buf(dev, force) != -1);
-}
-
-static int
-speedo_rx(struct net_device *dev)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- int entry = sp->cur_rx % RX_RING_SIZE;
- int status;
- int rx_work_limit = sp->dirty_rx + RX_RING_SIZE - sp->cur_rx;
- int alloc_ok = 1;
-
- if (speedo_debug > 4)
- printk(KERN_DEBUG " In speedo_rx().\n");
- /* If we own the next entry, it's a new packet. Send it up. */
- while (sp->rx_ringp[entry] != NULL &&
- (status = le32_to_cpu(sp->rx_ringp[entry]->status)) & RxComplete) {
- int pkt_len = le32_to_cpu(sp->rx_ringp[entry]->count) & 0x3fff;
-
- if (--rx_work_limit < 0)
- break;
-
- /* Check for a rare out-of-memory case: the current buffer is
- the last buffer allocated in the RX ring. --SAW */
- if (sp->last_rxf == sp->rx_ringp[entry]) {
- /* Postpone the packet. It'll be reaped at an interrupt when this
- packet is no longer the last packet in the ring. */
- if (speedo_debug > 2)
- printk(KERN_DEBUG "%s: RX packet postponed!\n",
- dev->name);
- sp->rx_ring_state |= RrPostponed;
- break;
- }
-
- if (speedo_debug > 4)
- printk(KERN_DEBUG " speedo_rx() status %8.8x len %d.\n", status,
- pkt_len);
- if ((status & (RxErrTooBig|RxOK|0x0f90)) != RxOK) {
- if (status & RxErrTooBig)
- printk(KERN_ERR "%s: Ethernet frame overran the Rx buffer, "
- "status %8.8x!\n", dev->name, status);
- else if (! (status & RxOK)) {
- /* There was a fatal error. This *should* be impossible. */
- sp->stats.rx_errors++;
- printk(KERN_ERR "%s: Anomalous event in speedo_rx(), "
- "status %8.8x.\n",
- dev->name, status);
- }
- } else {
- struct sk_buff *skb;
-
- /* Check if the packet is long enough to just accept without
- copying to a properly sized skbuff. */
- if (pkt_len < rx_copybreak
- && (skb = dev_alloc_skb(pkt_len + 2)) != 0) {
- skb->dev = dev;
- skb_reserve(skb, 2); /* Align IP on 16 byte boundaries */
- /* 'skb_put()' points to the start of sk_buff data area. */
-#if !defined(__alpha__)
- /* Packet is in one chunk -- we can copy + cksum. */
- eth_copy_and_sum(skb, sp->rx_skbuff[entry]->tail, pkt_len, 0);
- skb_put(skb, pkt_len);
-#else
- memcpy(skb_put(skb, pkt_len), sp->rx_skbuff[entry]->tail,
- pkt_len);
-#endif
- } else {
- /* Pass up the already-filled skbuff. */
- skb = sp->rx_skbuff[entry];
- if (skb == NULL) {
- printk(KERN_ERR "%s: Inconsistent Rx descriptor chain.\n",
- dev->name);
- break;
- }
- sp->rx_skbuff[entry] = NULL;
- skb_put(skb, pkt_len);
- sp->rx_ringp[entry] = NULL;
- }
- skb->protocol = eth_type_trans(skb, dev);
- netif_rx(skb);
- sp->stats.rx_packets++;
- /* sp->stats.rx_bytes += pkt_len; */
- }
- entry = (++sp->cur_rx) % RX_RING_SIZE;
- sp->rx_ring_state &= ~RrPostponed;
- /* Refill the recently taken buffers.
- Do it one-by-one to handle traffic bursts better. */
- if (alloc_ok && speedo_refill_rx_buf(dev, 0) == -1)
- alloc_ok = 0;
- }
-
- /* Try hard to refill the recently taken buffers. */
- speedo_refill_rx_buffers(dev, 1);
-
- sp->last_rx_time = jiffies;
-
- return 0;
-}
-
-static int
-speedo_close(struct net_device *dev)
-{
- long ioaddr = dev->base_addr;
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- int i;
-
- dev->start = 0;
- netif_stop_queue(dev);
-
- if (speedo_debug > 1)
- printk(KERN_DEBUG "%s: Shutting down ethercard, status was %4.4x.\n",
- dev->name, inw(ioaddr + SCBStatus));
-
- /* Shut off the media monitoring timer. */
- start_bh_atomic();
- del_timer(&sp->timer);
- end_bh_atomic();
-
- /* Shutting down the chip nicely fails to disable flow control. So.. */
- outl(PortPartialReset, ioaddr + SCBPort);
-
- free_irq(dev->irq, dev);
-
- /* Print a few items for debugging. */
- if (speedo_debug > 3)
- speedo_show_state(dev);
-
- /* Free all the skbuffs in the Rx and Tx queues. */
- for (i = 0; i < RX_RING_SIZE; i++) {
- struct sk_buff *skb = sp->rx_skbuff[i];
- sp->rx_skbuff[i] = 0;
- /* Clear the Rx descriptors. */
- if (skb)
- dev_free_skb(skb);
- }
-
- for (i = 0; i < TX_RING_SIZE; i++) {
- struct sk_buff *skb = sp->tx_skbuff[i];
- sp->tx_skbuff[i] = 0;
- /* Clear the Tx descriptors. */
- if (skb)
- dev_free_skb(skb);
- }
-
- /* Free multicast setting blocks. */
- for (i = 0; sp->mc_setup_head != NULL; i++) {
- struct speedo_mc_block *t;
- t = sp->mc_setup_head->next;
- kfree(sp->mc_setup_head);
- sp->mc_setup_head = t;
- }
- sp->mc_setup_tail = NULL;
- if (speedo_debug > 0)
- printk(KERN_DEBUG "%s: %d multicast blocks dropped.\n", dev->name, i);
-
- MOD_DEC_USE_COUNT;
-
- return 0;
-}
-
-/* The Speedo-3 has an especially awkward and unusable method of getting
- statistics out of the chip. It takes an unpredictable length of time
- for the dump-stats command to complete. To avoid a busy-wait loop we
- update the stats with the previous dump results, and then trigger a
- new dump.
-
- These problems are mitigated by the current /proc implementation, which
- calls this routine first to judge the output length, and then to emit the
- output.
-
- Oh, and incoming frames are dropped while executing dump-stats!
- */
-static struct enet_statistics *
-speedo_get_stats(struct net_device *dev)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- long ioaddr = dev->base_addr;
-
- /* Update only if the previous dump finished. */
- if (sp->lstats.done_marker == le32_to_cpu(0xA007)) {
- sp->stats.tx_aborted_errors += le32_to_cpu(sp->lstats.tx_coll16_errs);
- sp->stats.tx_window_errors += le32_to_cpu(sp->lstats.tx_late_colls);
- sp->stats.tx_fifo_errors += le32_to_cpu(sp->lstats.tx_underruns);
- sp->stats.tx_fifo_errors += le32_to_cpu(sp->lstats.tx_lost_carrier);
- /*sp->stats.tx_deferred += le32_to_cpu(sp->lstats.tx_deferred);*/
- sp->stats.collisions += le32_to_cpu(sp->lstats.tx_total_colls);
- sp->stats.rx_crc_errors += le32_to_cpu(sp->lstats.rx_crc_errs);
- sp->stats.rx_frame_errors += le32_to_cpu(sp->lstats.rx_align_errs);
- sp->stats.rx_over_errors += le32_to_cpu(sp->lstats.rx_resource_errs);
- sp->stats.rx_fifo_errors += le32_to_cpu(sp->lstats.rx_overrun_errs);
- sp->stats.rx_length_errors += le32_to_cpu(sp->lstats.rx_runt_errs);
- sp->lstats.done_marker = 0x0000;
- if (dev->start) {
- unsigned long flags;
- /* Take a spinlock to make wait_for_cmd_done and sending the
- command atomic. --SAW */
- spin_lock_irqsave(&sp->lock, flags);
- wait_for_cmd_done(ioaddr + SCBCmd);
- outb(CUDumpStats, ioaddr + SCBCmd);
- spin_unlock_irqrestore(&sp->lock, flags);
- }
- }
- return &sp->stats;
-}
-
-static int speedo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- long ioaddr = dev->base_addr;
- u16 *data = (u16 *)&rq->ifr_data;
- int phy = sp->phy[0] & 0x1f;
-
- switch(cmd) {
- case SIOCDEVPRIVATE: /* Get the address of the PHY in use. */
- data[0] = phy;
- case SIOCDEVPRIVATE+1: /* Read the specified MII register. */
- /* FIXME: these operations need to be serialized with MDIO
- access from the timeout handler.
- They are currently serialized only with MDIO access from the
- timer routine. 2000/05/09 SAW */
- start_bh_atomic();
- data[3] = mdio_read(ioaddr, data[0], data[1]);
- end_bh_atomic();
- return 0;
- case SIOCDEVPRIVATE+2: /* Write the specified MII register */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- start_bh_atomic();
- mdio_write(ioaddr, data[0], data[1], data[2]);
- end_bh_atomic();
- return 0;
- default:
- return -EOPNOTSUPP;
- }
-}
-
-/* Set or clear the multicast filter for this adaptor.
- This is very ugly with Intel chips -- we usually have to execute an
- entire configuration command, plus process a multicast command.
- This is complicated. We must put a large configuration command and
- an arbitrarily-sized multicast command in the transmit list.
- To minimize the disruption -- the previous command might have already
- loaded the link -- we convert the current command block, normally a Tx
- command, into a no-op and link it to the new command.
-*/
-static void set_rx_mode(struct net_device *dev)
-{
- struct speedo_private *sp = (struct speedo_private *)dev->priv;
- long ioaddr = dev->base_addr;
- struct descriptor *last_cmd;
- char new_rx_mode;
- unsigned long flags;
- int entry, i;
-
- if (dev->flags & IFF_PROMISC) { /* Set promiscuous. */
- new_rx_mode = 3;
- } else if ((dev->flags & IFF_ALLMULTI) ||
- dev->mc_count > multicast_filter_limit) {
- new_rx_mode = 1;
- } else
- new_rx_mode = 0;
-
- if (speedo_debug > 3)
- printk(KERN_DEBUG "%s: set_rx_mode %d -> %d\n", dev->name,
- sp->rx_mode, new_rx_mode);
-
- if ((int)(sp->cur_tx - sp->dirty_tx) > TX_RING_SIZE - TX_MULTICAST_SIZE) {
- /* The Tx ring is full -- don't add anything! Hope the mode will be
- * set again later. */
- sp->rx_mode = -1;
- return;
- }
-
- if (new_rx_mode != sp->rx_mode) {
- u8 *config_cmd_data;
-
- spin_lock_irqsave(&sp->lock, flags);
- entry = sp->cur_tx++ % TX_RING_SIZE;
- last_cmd = sp->last_cmd;
- sp->last_cmd = (struct descriptor *)&sp->tx_ring[entry];
-
- sp->tx_skbuff[entry] = 0; /* Redundant. */
- sp->tx_ring[entry].status = cpu_to_le32(CmdSuspend | CmdConfigure);
- sp->tx_ring[entry].link =
- virt_to_le32desc(&sp->tx_ring[(entry + 1) % TX_RING_SIZE]);
- config_cmd_data = (void *)&sp->tx_ring[entry].tx_desc_addr;
- /* Construct a full CmdConfig frame. */
- memcpy(config_cmd_data, i82558_config_cmd, sizeof(i82558_config_cmd));
- config_cmd_data[1] = (txfifo << 4) | rxfifo;
- config_cmd_data[4] = rxdmacount;
- config_cmd_data[5] = txdmacount + 0x80;
- config_cmd_data[15] |= (new_rx_mode & 2) ? 1 : 0;
- /* 0x80 doesn't disable FC 0x84 does.
- Disable Flow control since we are not ACK-ing any FC interrupts
- for now. --Dragan */
- config_cmd_data[19] = 0x84;
- config_cmd_data[19] |= sp->full_duplex ? 0x40 : 0;
- config_cmd_data[21] = (new_rx_mode & 1) ? 0x0D : 0x05;
- if (sp->phy[0] & 0x8000) { /* Use the AUI port instead. */
- config_cmd_data[15] |= 0x80;
- config_cmd_data[8] = 0;
- }
- /* Trigger the command unit resume. */
- wait_for_cmd_done(ioaddr + SCBCmd);
- clear_suspend(last_cmd);
- outb(CUResume, ioaddr + SCBCmd);
- if ((int)(sp->cur_tx - sp->dirty_tx) >= TX_QUEUE_LIMIT) {
- netif_stop_queue(dev);
- sp->tx_full = 1;
- }
- spin_unlock_irqrestore(&sp->lock, flags);
- }
-
- if (new_rx_mode == 0 && dev->mc_count < 4) {
- /* The simple case of 0-3 multicast list entries occurs often, and
- fits within one tx_ring[] entry. */
- struct dev_mc_list *mclist;
- u16 *setup_params, *eaddrs;
-
- spin_lock_irqsave(&sp->lock, flags);
- entry = sp->cur_tx++ % TX_RING_SIZE;
- last_cmd = sp->last_cmd;
- sp->last_cmd = (struct descriptor *)&sp->tx_ring[entry];
-
- sp->tx_skbuff[entry] = 0;
- sp->tx_ring[entry].status = cpu_to_le32(CmdSuspend | CmdMulticastList);
- sp->tx_ring[entry].link =
- virt_to_le32desc(&sp->tx_ring[(entry + 1) % TX_RING_SIZE]);
- sp->tx_ring[entry].tx_desc_addr = 0; /* Really MC list count. */
- setup_params = (u16 *)&sp->tx_ring[entry].tx_desc_addr;
- *setup_params++ = cpu_to_le16(dev->mc_count*6);
- /* Fill in the multicast addresses. */
- for (i = 0, mclist = dev->mc_list; i < dev->mc_count;
- i++, mclist = mclist->next) {
- eaddrs = (u16 *)mclist->dmi_addr;
- *setup_params++ = *eaddrs++;
- *setup_params++ = *eaddrs++;
- *setup_params++ = *eaddrs++;
- }
-
- wait_for_cmd_done(ioaddr + SCBCmd);
- clear_suspend(last_cmd);
- /* Immediately trigger the command unit resume. */
- outb(CUResume, ioaddr + SCBCmd);
-
- if ((int)(sp->cur_tx - sp->dirty_tx) >= TX_QUEUE_LIMIT) {
- netif_stop_queue(dev);
- sp->tx_full = 1;
- }
- spin_unlock_irqrestore(&sp->lock, flags);
- } else if (new_rx_mode == 0) {
- struct dev_mc_list *mclist;
- u16 *setup_params, *eaddrs;
- struct speedo_mc_block *mc_blk;
- struct descriptor *mc_setup_frm;
- int i;
-
- mc_blk = kmalloc(sizeof(*mc_blk) + 2 + multicast_filter_limit*6,
- GFP_ATOMIC);
- if (mc_blk == NULL) {
- printk(KERN_ERR "%s: Failed to allocate a setup frame.\n",
- dev->name);
- sp->rx_mode = -1; /* We failed, try again. */
- return;
- }
- mc_blk->next = NULL;
- mc_setup_frm = &mc_blk->frame;
-
- /* Fill the setup frame. */
- if (speedo_debug > 1)
- printk(KERN_DEBUG "%s: Constructing a setup frame at %p.\n",
- dev->name, mc_setup_frm);
- mc_setup_frm->cmd_status =
- cpu_to_le32(CmdSuspend | CmdIntr | CmdMulticastList);
- /* Link set below. */
- setup_params = (u16 *)&mc_setup_frm->params;
- *setup_params++ = cpu_to_le16(dev->mc_count*6);
- /* Fill in the multicast addresses. */
- for (i = 0, mclist = dev->mc_list; i < dev->mc_count;
- i++, mclist = mclist->next) {
- eaddrs = (u16 *)mclist->dmi_addr;
- *setup_params++ = *eaddrs++;
- *setup_params++ = *eaddrs++;
- *setup_params++ = *eaddrs++;
- }
-
- /* Disable interrupts while playing with the Tx Cmd list. */
- spin_lock_irqsave(&sp->lock, flags);
-
- if (sp->mc_setup_tail)
- sp->mc_setup_tail->next = mc_blk;
- else
- sp->mc_setup_head = mc_blk;
- sp->mc_setup_tail = mc_blk;
- mc_blk->tx = sp->cur_tx;
-
- entry = sp->cur_tx++ % TX_RING_SIZE;
- last_cmd = sp->last_cmd;
- sp->last_cmd = mc_setup_frm;
-
- /* Change the command to a NoOp, pointing to the CmdMulti command. */
- sp->tx_skbuff[entry] = 0;
- sp->tx_ring[entry].status = cpu_to_le32(CmdNOp);
- sp->tx_ring[entry].link = virt_to_le32desc(mc_setup_frm);
-
- /* Set the link in the setup frame. */
- mc_setup_frm->link =
- virt_to_le32desc(&(sp->tx_ring[(entry+1) % TX_RING_SIZE]));
-
- wait_for_cmd_done(ioaddr + SCBCmd);
- clear_suspend(last_cmd);
- /* Immediately trigger the command unit resume. */
- outb(CUResume, ioaddr + SCBCmd);
-
- if ((int)(sp->cur_tx - sp->dirty_tx) >= TX_QUEUE_LIMIT) {
- netif_stop_queue(dev);
- sp->tx_full = 1;
- }
- spin_unlock_irqrestore(&sp->lock, flags);
-
- if (speedo_debug > 5)
- printk(" CmdMCSetup frame length %d in entry %d.\n",
- dev->mc_count, entry);
- }
-
- sp->rx_mode = new_rx_mode;
-}
-
-#ifdef MODULE
-
-int init_module(void)
-{
- int cards_found;
-
- if (debug >= 0 && speedo_debug != debug)
- printk(KERN_INFO "eepro100.c: Debug level is %d.\n", debug);
- if (debug >= 0)
- speedo_debug = debug;
- /* Always emit the version message. */
- if (speedo_debug)
- printk(KERN_INFO "%s", version);
-
- cards_found = eepro100_init();
- if (cards_found <= 0) {
- printk(KERN_INFO "eepro100: No cards found, driver not installed.\n");
- return -ENODEV;
- }
- return 0;
-}
-
-void
-cleanup_module(void)
-{
- struct net_device *next_dev;
-
- /* No need to check MOD_IN_USE, as sys_delete_module() checks. */
- while (root_speedo_dev) {
- struct speedo_private *sp = (void *)root_speedo_dev->priv;
- unregister_netdev(root_speedo_dev);
- release_region(root_speedo_dev->base_addr, SPEEDO3_TOTAL_SIZE);
-#ifndef USE_IO
- iounmap((char *)root_speedo_dev->base_addr);
-#endif
- next_dev = sp->next_module;
- if (sp->priv_addr)
- kfree(sp->priv_addr);
- kfree(root_speedo_dev);
- root_speedo_dev = next_dev;
- }
-}
-
-#else /* not MODULE */
-
-int eepro100_probe(void)
-{
- int cards_found = 0;
-
- cards_found = eepro100_init();
-
- if (speedo_debug > 0 && cards_found)
- printk(version);
-
- return cards_found ? 0 : -ENODEV;
-}
-#endif /* MODULE */
-
-/*
- * Local variables:
- * compile-command: "gcc -DMODULE -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -c eepro100.c `[ -f /usr/include/linux/modversions.h ] && echo -DMODVERSIONS`"
- * SMP-compile-command: "gcc -D__SMP__ -DMODULE -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -c eepro100.c `[ -f /usr/include/linux/modversions.h ] && echo -DMODVERSIONS`"
- * c-indent-level: 4
- * c-basic-offset: 4
- * tab-width: 4
- * End:
- */