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authorPaul Gortmaker <paul.gortmaker@windriver.com>2013-01-10 18:25:04 -0500
committerPaul Gortmaker <paul.gortmaker@windriver.com>2013-01-22 10:39:52 -0500
commitd2477de7a63a332a8fe75008fa87e05290c5caac (patch)
treea268c30a46f21bc62e19b07f4f2a4ef0ef31b35d /drivers/net/ethernet/racal/ni5010.c
parent04861c535d1f5bad0fd537820116c0429a2dfe4b (diff)
drivers/net: delete old 8 bit ISA Racal ni5010 support.
These cards were only available in 8bit format, and in addition they only had AUI and BNC(10-Base2) interfaces (i.e. no RJ-45). In fact, they are so rare, that an internet search on these old cards almost comes up empty, unless the "Micom interlan" name is used. This puts them in the equivalent domain as the 3c501, so there should be no strong opposition to the driver removal, as nobody is seriously using 3.9+ with 8 bit ISA hardware. In doing so, the whole "ethernet/racal" category becomes empty, so we clean up the Makefile/Kconfig and subdir appropriately. Cc: Andreas Mohr <andi@lisas.de> Cc: Jan-Pascal van Best <janpascal@vanbest.org> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Diffstat (limited to 'drivers/net/ethernet/racal/ni5010.c')
-rw-r--r--drivers/net/ethernet/racal/ni5010.c771
1 files changed, 0 insertions, 771 deletions
diff --git a/drivers/net/ethernet/racal/ni5010.c b/drivers/net/ethernet/racal/ni5010.c
deleted file mode 100644
index 807982220050..000000000000
--- a/drivers/net/ethernet/racal/ni5010.c
+++ /dev/null
@@ -1,771 +0,0 @@
1/* ni5010.c: A network driver for the MiCom-Interlan NI5010 ethercard.
2 *
3 * Copyright 1996,1997,2006 Jan-Pascal van Best and Andreas Mohr.
4 *
5 * This software may be used and distributed according to the terms
6 * of the GNU General Public License, incorporated herein by reference.
7 *
8 * The authors may be reached as:
9 * janpascal@vanbest.org andi@lisas.de
10 *
11 * Sources:
12 * Donald Becker's "skeleton.c"
13 * Crynwr ni5010 packet driver
14 *
15 * Changes:
16 * v0.0: First test version
17 * v0.1: First working version
18 * v0.2:
19 * v0.3->v0.90: Now demand setting io and irq when loading as module
20 * 970430 v0.91: modified for Linux 2.1.14
21 * v0.92: Implemented Andreas' (better) NI5010 probe
22 * 970503 v0.93: Fixed auto-irq failure on warm reboot (JB)
23 * 970623 v1.00: First kernel version (AM)
24 * 970814 v1.01: Added detection of onboard receive buffer size (AM)
25 * 060611 v1.02: slight cleanup: email addresses, driver modernization.
26 * Bugs:
27 * - not SMP-safe (no locking of I/O accesses)
28 * - Note that you have to patch ifconfig for the new /proc/net/dev
29 * format. It gives incorrect stats otherwise.
30 *
31 * To do:
32 * Fix all bugs :-)
33 * Move some stuff to chipset_init()
34 * Handle xmt errors other than collisions
35 * Complete merge with Andreas' driver
36 * Implement ring buffers (Is this useful? You can't squeeze
37 * too many packet in a 2k buffer!)
38 * Implement DMA (Again, is this useful? Some docs say DMA is
39 * slower than programmed I/O)
40 *
41 * Compile with:
42 * gcc -O2 -fomit-frame-pointer -m486 -D__KERNEL__ \
43 * -DMODULE -c ni5010.c
44 *
45 * Insert with e.g.:
46 * insmod ni5010.ko io=0x300 irq=5
47 */
48
49#include <linux/module.h>
50#include <linux/kernel.h>
51#include <linux/string.h>
52#include <linux/errno.h>
53#include <linux/ioport.h>
54#include <linux/interrupt.h>
55#include <linux/delay.h>
56#include <linux/init.h>
57#include <linux/bitops.h>
58#include <asm/io.h>
59#include <asm/dma.h>
60
61#include <linux/netdevice.h>
62#include <linux/etherdevice.h>
63#include <linux/skbuff.h>
64
65#include "ni5010.h"
66
67static const char boardname[] = "NI5010";
68static char version[] __initdata =
69 "ni5010.c: v1.02 20060611 Jan-Pascal van Best and Andreas Mohr\n";
70
71/* bufsize_rcv == 0 means autoprobing */
72static unsigned int bufsize_rcv;
73
74#define JUMPERED_INTERRUPTS /* IRQ line jumpered on board */
75#undef JUMPERED_DMA /* No DMA used */
76#undef FULL_IODETECT /* Only detect in portlist */
77
78#ifndef FULL_IODETECT
79/* A zero-terminated list of I/O addresses to be probed. */
80static unsigned int ports[] __initdata =
81 { 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0 };
82#endif
83
84/* Use 0 for production, 1 for verification, >2 for debug */
85#ifndef NI5010_DEBUG
86#define NI5010_DEBUG 0
87#endif
88
89/* Information that needs to be kept for each board. */
90struct ni5010_local {
91 int o_pkt_size;
92 spinlock_t lock;
93};
94
95/* Index to functions, as function prototypes. */
96
97static int ni5010_probe1(struct net_device *dev, int ioaddr);
98static int ni5010_open(struct net_device *dev);
99static int ni5010_send_packet(struct sk_buff *skb, struct net_device *dev);
100static irqreturn_t ni5010_interrupt(int irq, void *dev_id);
101static void ni5010_rx(struct net_device *dev);
102static void ni5010_timeout(struct net_device *dev);
103static int ni5010_close(struct net_device *dev);
104static void ni5010_set_multicast_list(struct net_device *dev);
105static void reset_receiver(struct net_device *dev);
106
107static int process_xmt_interrupt(struct net_device *dev);
108#define tx_done(dev) 1
109static void hardware_send_packet(struct net_device *dev, char *buf, int length, int pad);
110static void chipset_init(struct net_device *dev, int startp);
111static void dump_packet(void *buf, int len);
112static void ni5010_show_registers(struct net_device *dev);
113
114static int io;
115static int irq;
116
117struct net_device * __init ni5010_probe(int unit)
118{
119 struct net_device *dev = alloc_etherdev(sizeof(struct ni5010_local));
120 int *port;
121 int err = 0;
122
123 if (!dev)
124 return ERR_PTR(-ENOMEM);
125
126 if (unit >= 0) {
127 sprintf(dev->name, "eth%d", unit);
128 netdev_boot_setup_check(dev);
129 io = dev->base_addr;
130 irq = dev->irq;
131 }
132
133 PRINTK2((KERN_DEBUG "%s: Entering ni5010_probe\n", dev->name));
134
135 if (io > 0x1ff) { /* Check a single specified location. */
136 err = ni5010_probe1(dev, io);
137 } else if (io != 0) { /* Don't probe at all. */
138 err = -ENXIO;
139 } else {
140#ifdef FULL_IODETECT
141 for (io=0x200; io<0x400 && ni5010_probe1(dev, io) ; io+=0x20)
142 ;
143 if (io == 0x400)
144 err = -ENODEV;
145
146#else
147 for (port = ports; *port && ni5010_probe1(dev, *port); port++)
148 ;
149 if (!*port)
150 err = -ENODEV;
151#endif /* FULL_IODETECT */
152 }
153 if (err)
154 goto out;
155 err = register_netdev(dev);
156 if (err)
157 goto out1;
158 return dev;
159out1:
160 release_region(dev->base_addr, NI5010_IO_EXTENT);
161out:
162 free_netdev(dev);
163 return ERR_PTR(err);
164}
165
166static inline int rd_port(int ioaddr)
167{
168 inb(IE_RBUF);
169 return inb(IE_SAPROM);
170}
171
172static void __init trigger_irq(int ioaddr)
173{
174 outb(0x00, EDLC_RESET); /* Clear EDLC hold RESET state */
175 outb(0x00, IE_RESET); /* Board reset */
176 outb(0x00, EDLC_XMASK); /* Disable all Xmt interrupts */
177 outb(0x00, EDLC_RMASK); /* Disable all Rcv interrupt */
178 outb(0xff, EDLC_XCLR); /* Clear all pending Xmt interrupts */
179 outb(0xff, EDLC_RCLR); /* Clear all pending Rcv interrupts */
180 /*
181 * Transmit packet mode: Ignore parity, Power xcvr,
182 * Enable loopback
183 */
184 outb(XMD_IG_PAR | XMD_T_MODE | XMD_LBC, EDLC_XMODE);
185 outb(RMD_BROADCAST, EDLC_RMODE); /* Receive normal&broadcast */
186 outb(XM_ALL, EDLC_XMASK); /* Enable all Xmt interrupts */
187 udelay(50); /* FIXME: Necessary? */
188 outb(MM_EN_XMT|MM_MUX, IE_MMODE); /* Start transmission */
189}
190
191static const struct net_device_ops ni5010_netdev_ops = {
192 .ndo_open = ni5010_open,
193 .ndo_stop = ni5010_close,
194 .ndo_start_xmit = ni5010_send_packet,
195 .ndo_set_rx_mode = ni5010_set_multicast_list,
196 .ndo_tx_timeout = ni5010_timeout,
197 .ndo_validate_addr = eth_validate_addr,
198 .ndo_set_mac_address = eth_mac_addr,
199 .ndo_change_mtu = eth_change_mtu,
200};
201
202/*
203 * This is the real probe routine. Linux has a history of friendly device
204 * probes on the ISA bus. A good device probes avoids doing writes, and
205 * verifies that the correct device exists and functions.
206 */
207
208static int __init ni5010_probe1(struct net_device *dev, int ioaddr)
209{
210 static unsigned version_printed;
211 struct ni5010_local *lp;
212 int i;
213 unsigned int data = 0;
214 int boguscount = 40;
215 int err = -ENODEV;
216
217 dev->base_addr = ioaddr;
218 dev->irq = irq;
219
220 if (!request_region(ioaddr, NI5010_IO_EXTENT, boardname))
221 return -EBUSY;
222
223 /*
224 * This is no "official" probe method, I've rather tested which
225 * probe works best with my seven NI5010 cards
226 * (they have very different serial numbers)
227 * Suggestions or failure reports are very, very welcome !
228 * But I think it is a relatively good probe method
229 * since it doesn't use any "outb"
230 * It should be nearly 100% reliable !
231 * well-known WARNING: this probe method (like many others)
232 * will hang the system if a NE2000 card region is probed !
233 *
234 * - Andreas
235 */
236
237 PRINTK2((KERN_DEBUG "%s: entering ni5010_probe1(%#3x)\n",
238 dev->name, ioaddr));
239
240 if (inb(ioaddr+0) == 0xff)
241 goto out;
242
243 while ( (rd_port(ioaddr) & rd_port(ioaddr) & rd_port(ioaddr) &
244 rd_port(ioaddr) & rd_port(ioaddr) & rd_port(ioaddr)) != 0xff)
245 {
246 if (boguscount-- == 0)
247 goto out;
248 }
249
250 PRINTK2((KERN_DEBUG "%s: I/O #1 passed!\n", dev->name));
251
252 for (i=0; i<32; i++)
253 if ( (data = rd_port(ioaddr)) != 0xff) break;
254 if (data==0xff)
255 goto out;
256
257 PRINTK2((KERN_DEBUG "%s: I/O #2 passed!\n", dev->name));
258
259 if ((data != SA_ADDR0) || (rd_port(ioaddr) != SA_ADDR1) ||
260 (rd_port(ioaddr) != SA_ADDR2))
261 goto out;
262
263 for (i=0; i<4; i++)
264 rd_port(ioaddr);
265
266 if ( (rd_port(ioaddr) != NI5010_MAGICVAL1) ||
267 (rd_port(ioaddr) != NI5010_MAGICVAL2) )
268 goto out;
269
270 PRINTK2((KERN_DEBUG "%s: I/O #3 passed!\n", dev->name));
271
272 if (NI5010_DEBUG && version_printed++ == 0)
273 printk(KERN_INFO "%s", version);
274
275 printk("NI5010 ethercard probe at 0x%x: ", ioaddr);
276
277 dev->base_addr = ioaddr;
278
279 for (i=0; i<6; i++) {
280 outw(i, IE_GP);
281 dev->dev_addr[i] = inb(IE_SAPROM);
282 }
283 printk("%pM ", dev->dev_addr);
284
285 PRINTK2((KERN_DEBUG "%s: I/O #4 passed!\n", dev->name));
286
287#ifdef JUMPERED_INTERRUPTS
288 if (dev->irq == 0xff)
289 ;
290 else if (dev->irq < 2) {
291 unsigned long irq_mask;
292
293 PRINTK2((KERN_DEBUG "%s: I/O #5 passed!\n", dev->name));
294
295 irq_mask = probe_irq_on();
296 trigger_irq(ioaddr);
297 mdelay(20);
298 dev->irq = probe_irq_off(irq_mask);
299
300 PRINTK2((KERN_DEBUG "%s: I/O #6 passed!\n", dev->name));
301
302 if (dev->irq == 0) {
303 err = -EAGAIN;
304 printk(KERN_WARNING "%s: no IRQ found!\n", dev->name);
305 goto out;
306 }
307 PRINTK2((KERN_DEBUG "%s: I/O #7 passed!\n", dev->name));
308 } else if (dev->irq == 2) {
309 dev->irq = 9;
310 }
311#endif /* JUMPERED_INTERRUPTS */
312 PRINTK2((KERN_DEBUG "%s: I/O #9 passed!\n", dev->name));
313
314 /* DMA is not supported (yet?), so no use detecting it */
315 lp = netdev_priv(dev);
316
317 spin_lock_init(&lp->lock);
318
319 PRINTK2((KERN_DEBUG "%s: I/O #10 passed!\n", dev->name));
320
321/* get the size of the onboard receive buffer
322 * higher addresses than bufsize are wrapped into real buffer
323 * i.e. data for offs. 0x801 is written to 0x1 with a 2K onboard buffer
324 */
325 if (!bufsize_rcv) {
326 outb(1, IE_MMODE); /* Put Rcv buffer on system bus */
327 outw(0, IE_GP); /* Point GP at start of packet */
328 outb(0, IE_RBUF); /* set buffer byte 0 to 0 */
329 for (i = 1; i < 0xff; i++) {
330 outw(i << 8, IE_GP); /* Point GP at packet size to be tested */
331 outb(i, IE_RBUF);
332 outw(0x0, IE_GP); /* Point GP at start of packet */
333 data = inb(IE_RBUF);
334 if (data == i) break;
335 }
336 bufsize_rcv = i << 8;
337 outw(0, IE_GP); /* Point GP at start of packet */
338 outb(0, IE_RBUF); /* set buffer byte 0 to 0 again */
339 }
340 printk("-> bufsize rcv/xmt=%d/%d\n", bufsize_rcv, NI5010_BUFSIZE);
341
342 dev->netdev_ops = &ni5010_netdev_ops;
343 dev->watchdog_timeo = HZ/20;
344
345 dev->flags &= ~IFF_MULTICAST; /* Multicast doesn't work */
346
347 /* Shut up the ni5010 */
348 outb(0, EDLC_RMASK); /* Mask all receive interrupts */
349 outb(0, EDLC_XMASK); /* Mask all xmit interrupts */
350 outb(0xff, EDLC_RCLR); /* Kill all pending rcv interrupts */
351 outb(0xff, EDLC_XCLR); /* Kill all pending xmt interrupts */
352
353 printk(KERN_INFO "%s: NI5010 found at 0x%x, using IRQ %d", dev->name, ioaddr, dev->irq);
354 if (dev->dma)
355 printk(" & DMA %d", dev->dma);
356 printk(".\n");
357 return 0;
358out:
359 release_region(dev->base_addr, NI5010_IO_EXTENT);
360 return err;
361}
362
363/*
364 * Open/initialize the board. This is called (in the current kernel)
365 * sometime after booting when the 'ifconfig' program is run.
366 *
367 * This routine should set everything up anew at each open, even
368 * registers that "should" only need to be set once at boot, so that
369 * there is a non-reboot way to recover if something goes wrong.
370 */
371
372static int ni5010_open(struct net_device *dev)
373{
374 int ioaddr = dev->base_addr;
375 int i;
376
377 PRINTK2((KERN_DEBUG "%s: entering ni5010_open()\n", dev->name));
378
379 if (request_irq(dev->irq, ni5010_interrupt, 0, boardname, dev)) {
380 printk(KERN_WARNING "%s: Cannot get irq %#2x\n", dev->name, dev->irq);
381 return -EAGAIN;
382 }
383 PRINTK3((KERN_DEBUG "%s: passed open() #1\n", dev->name));
384 /*
385 * Always allocate the DMA channel after the IRQ,
386 * and clean up on failure.
387 */
388#ifdef JUMPERED_DMA
389 if (request_dma(dev->dma, cardname)) {
390 printk(KERN_WARNING "%s: Cannot get dma %#2x\n", dev->name, dev->dma);
391 free_irq(dev->irq, NULL);
392 return -EAGAIN;
393 }
394#endif /* JUMPERED_DMA */
395
396 PRINTK3((KERN_DEBUG "%s: passed open() #2\n", dev->name));
397 /* Reset the hardware here. Don't forget to set the station address. */
398
399 outb(RS_RESET, EDLC_RESET); /* Hold up EDLC_RESET while configing board */
400 outb(0, IE_RESET); /* Hardware reset of ni5010 board */
401 outb(XMD_LBC, EDLC_XMODE); /* Only loopback xmits */
402
403 PRINTK3((KERN_DEBUG "%s: passed open() #3\n", dev->name));
404 /* Set the station address */
405 for(i = 0;i < 6; i++) {
406 outb(dev->dev_addr[i], EDLC_ADDR + i);
407 }
408
409 PRINTK3((KERN_DEBUG "%s: Initialising ni5010\n", dev->name));
410 outb(0, EDLC_XMASK); /* No xmit interrupts for now */
411 outb(XMD_IG_PAR | XMD_T_MODE | XMD_LBC, EDLC_XMODE);
412 /* Normal packet xmit mode */
413 outb(0xff, EDLC_XCLR); /* Clear all pending xmit interrupts */
414 outb(RMD_BROADCAST, EDLC_RMODE);
415 /* Receive broadcast and normal packets */
416 reset_receiver(dev); /* Ready ni5010 for receiving packets */
417
418 outb(0, EDLC_RESET); /* Un-reset the ni5010 */
419
420 netif_start_queue(dev);
421
422 if (NI5010_DEBUG) ni5010_show_registers(dev);
423
424 PRINTK((KERN_DEBUG "%s: open successful\n", dev->name));
425 return 0;
426}
427
428static void reset_receiver(struct net_device *dev)
429{
430 int ioaddr = dev->base_addr;
431
432 PRINTK3((KERN_DEBUG "%s: resetting receiver\n", dev->name));
433 outw(0, IE_GP); /* Receive packet at start of buffer */
434 outb(0xff, EDLC_RCLR); /* Clear all pending rcv interrupts */
435 outb(0, IE_MMODE); /* Put EDLC to rcv buffer */
436 outb(MM_EN_RCV, IE_MMODE); /* Enable rcv */
437 outb(0xff, EDLC_RMASK); /* Enable all rcv interrupts */
438}
439
440static void ni5010_timeout(struct net_device *dev)
441{
442 printk(KERN_WARNING "%s: transmit timed out, %s?\n", dev->name,
443 tx_done(dev) ? "IRQ conflict" : "network cable problem");
444 /* Try to restart the adaptor. */
445 /* FIXME: Give it a real kick here */
446 chipset_init(dev, 1);
447 dev->trans_start = jiffies; /* prevent tx timeout */
448 netif_wake_queue(dev);
449}
450
451static int ni5010_send_packet(struct sk_buff *skb, struct net_device *dev)
452{
453 int length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
454
455 PRINTK2((KERN_DEBUG "%s: entering ni5010_send_packet\n", dev->name));
456
457 /*
458 * Block sending
459 */
460
461 netif_stop_queue(dev);
462 hardware_send_packet(dev, (unsigned char *)skb->data, skb->len, length-skb->len);
463 dev_kfree_skb (skb);
464 return NETDEV_TX_OK;
465}
466
467/*
468 * The typical workload of the driver:
469 * Handle the network interface interrupts.
470 */
471static irqreturn_t ni5010_interrupt(int irq, void *dev_id)
472{
473 struct net_device *dev = dev_id;
474 struct ni5010_local *lp;
475 int ioaddr, status;
476 int xmit_was_error = 0;
477
478 PRINTK2((KERN_DEBUG "%s: entering ni5010_interrupt\n", dev->name));
479
480 ioaddr = dev->base_addr;
481 lp = netdev_priv(dev);
482
483 spin_lock(&lp->lock);
484 status = inb(IE_ISTAT);
485 PRINTK3((KERN_DEBUG "%s: IE_ISTAT = %#02x\n", dev->name, status));
486
487 if ((status & IS_R_INT) == 0) ni5010_rx(dev);
488
489 if ((status & IS_X_INT) == 0) {
490 xmit_was_error = process_xmt_interrupt(dev);
491 }
492
493 if ((status & IS_DMA_INT) == 0) {
494 PRINTK((KERN_DEBUG "%s: DMA complete (?)\n", dev->name));
495 outb(0, IE_DMA_RST); /* Reset DMA int */
496 }
497
498 if (!xmit_was_error)
499 reset_receiver(dev);
500 spin_unlock(&lp->lock);
501 return IRQ_HANDLED;
502}
503
504
505static void dump_packet(void *buf, int len)
506{
507 int i;
508
509 printk(KERN_DEBUG "Packet length = %#4x\n", len);
510 for (i = 0; i < len; i++){
511 if (i % 16 == 0) printk(KERN_DEBUG "%#4.4x", i);
512 if (i % 2 == 0) printk(" ");
513 printk("%2.2x", ((unsigned char *)buf)[i]);
514 if (i % 16 == 15) printk("\n");
515 }
516 printk("\n");
517}
518
519/* We have a good packet, get it out of the buffer. */
520static void ni5010_rx(struct net_device *dev)
521{
522 int ioaddr = dev->base_addr;
523 unsigned char rcv_stat;
524 struct sk_buff *skb;
525 int i_pkt_size;
526
527 PRINTK2((KERN_DEBUG "%s: entering ni5010_rx()\n", dev->name));
528
529 rcv_stat = inb(EDLC_RSTAT);
530 PRINTK3((KERN_DEBUG "%s: EDLC_RSTAT = %#2x\n", dev->name, rcv_stat));
531
532 if ( (rcv_stat & RS_VALID_BITS) != RS_PKT_OK) {
533 PRINTK((KERN_INFO "%s: receive error.\n", dev->name));
534 dev->stats.rx_errors++;
535 if (rcv_stat & RS_RUNT) dev->stats.rx_length_errors++;
536 if (rcv_stat & RS_ALIGN) dev->stats.rx_frame_errors++;
537 if (rcv_stat & RS_CRC_ERR) dev->stats.rx_crc_errors++;
538 if (rcv_stat & RS_OFLW) dev->stats.rx_fifo_errors++;
539 outb(0xff, EDLC_RCLR); /* Clear the interrupt */
540 return;
541 }
542
543 outb(0xff, EDLC_RCLR); /* Clear the interrupt */
544
545 i_pkt_size = inw(IE_RCNT);
546 if (i_pkt_size > ETH_FRAME_LEN || i_pkt_size < 10 ) {
547 PRINTK((KERN_DEBUG "%s: Packet size error, packet size = %#4.4x\n",
548 dev->name, i_pkt_size));
549 dev->stats.rx_errors++;
550 dev->stats.rx_length_errors++;
551 return;
552 }
553
554 /* Malloc up new buffer. */
555 skb = netdev_alloc_skb(dev, i_pkt_size + 3);
556 if (skb == NULL) {
557 printk(KERN_WARNING "%s: Memory squeeze, dropping packet.\n", dev->name);
558 dev->stats.rx_dropped++;
559 return;
560 }
561
562 skb_reserve(skb, 2);
563
564 /* Read packet into buffer */
565 outb(MM_MUX, IE_MMODE); /* Rcv buffer to system bus */
566 outw(0, IE_GP); /* Seek to beginning of packet */
567 insb(IE_RBUF, skb_put(skb, i_pkt_size), i_pkt_size);
568
569 if (NI5010_DEBUG >= 4)
570 dump_packet(skb->data, skb->len);
571
572 skb->protocol = eth_type_trans(skb,dev);
573 netif_rx(skb);
574 dev->stats.rx_packets++;
575 dev->stats.rx_bytes += i_pkt_size;
576
577 PRINTK2((KERN_DEBUG "%s: Received packet, size=%#4.4x\n",
578 dev->name, i_pkt_size));
579}
580
581static int process_xmt_interrupt(struct net_device *dev)
582{
583 struct ni5010_local *lp = netdev_priv(dev);
584 int ioaddr = dev->base_addr;
585 int xmit_stat;
586
587 PRINTK2((KERN_DEBUG "%s: entering process_xmt_interrupt\n", dev->name));
588
589 xmit_stat = inb(EDLC_XSTAT);
590 PRINTK3((KERN_DEBUG "%s: EDLC_XSTAT = %2.2x\n", dev->name, xmit_stat));
591
592 outb(0, EDLC_XMASK); /* Disable xmit IRQ's */
593 outb(0xff, EDLC_XCLR); /* Clear all pending xmit IRQ's */
594
595 if (xmit_stat & XS_COLL){
596 PRINTK((KERN_DEBUG "%s: collision detected, retransmitting\n",
597 dev->name));
598 outw(NI5010_BUFSIZE - lp->o_pkt_size, IE_GP);
599 /* outb(0, IE_MMODE); */ /* xmt buf on sysbus FIXME: needed ? */
600 outb(MM_EN_XMT | MM_MUX, IE_MMODE);
601 outb(XM_ALL, EDLC_XMASK); /* Enable xmt IRQ's */
602 dev->stats.collisions++;
603 return 1;
604 }
605
606 /* FIXME: handle other xmt error conditions */
607
608 dev->stats.tx_packets++;
609 dev->stats.tx_bytes += lp->o_pkt_size;
610 netif_wake_queue(dev);
611
612 PRINTK2((KERN_DEBUG "%s: sent packet, size=%#4.4x\n",
613 dev->name, lp->o_pkt_size));
614
615 return 0;
616}
617
618/* The inverse routine to ni5010_open(). */
619static int ni5010_close(struct net_device *dev)
620{
621 int ioaddr = dev->base_addr;
622
623 PRINTK2((KERN_DEBUG "%s: entering ni5010_close\n", dev->name));
624#ifdef JUMPERED_INTERRUPTS
625 free_irq(dev->irq, NULL);
626#endif
627 /* Put card in held-RESET state */
628 outb(0, IE_MMODE);
629 outb(RS_RESET, EDLC_RESET);
630
631 netif_stop_queue(dev);
632
633 PRINTK((KERN_DEBUG "%s: %s closed down\n", dev->name, boardname));
634 return 0;
635
636}
637
638/* Set or clear the multicast filter for this adaptor.
639 num_addrs == -1 Promiscuous mode, receive all packets
640 num_addrs == 0 Normal mode, clear multicast list
641 num_addrs > 0 Multicast mode, receive normal and MC packets, and do
642 best-effort filtering.
643*/
644static void ni5010_set_multicast_list(struct net_device *dev)
645{
646 short ioaddr = dev->base_addr;
647
648 PRINTK2((KERN_DEBUG "%s: entering set_multicast_list\n", dev->name));
649
650 if (dev->flags & IFF_PROMISC || dev->flags & IFF_ALLMULTI ||
651 !netdev_mc_empty(dev)) {
652 outb(RMD_PROMISC, EDLC_RMODE); /* Enable promiscuous mode */
653 PRINTK((KERN_DEBUG "%s: Entering promiscuous mode\n", dev->name));
654 } else {
655 PRINTK((KERN_DEBUG "%s: Entering broadcast mode\n", dev->name));
656 outb(RMD_BROADCAST, EDLC_RMODE); /* Disable promiscuous mode, use normal mode */
657 }
658}
659
660static void hardware_send_packet(struct net_device *dev, char *buf, int length, int pad)
661{
662 struct ni5010_local *lp = netdev_priv(dev);
663 int ioaddr = dev->base_addr;
664 unsigned long flags;
665 unsigned int buf_offs;
666
667 PRINTK2((KERN_DEBUG "%s: entering hardware_send_packet\n", dev->name));
668
669 if (length > ETH_FRAME_LEN) {
670 PRINTK((KERN_WARNING "%s: packet too large, not possible\n",
671 dev->name));
672 return;
673 }
674
675 if (NI5010_DEBUG) ni5010_show_registers(dev);
676
677 if (inb(IE_ISTAT) & IS_EN_XMT) {
678 PRINTK((KERN_WARNING "%s: sending packet while already transmitting, not possible\n",
679 dev->name));
680 return;
681 }
682
683 if (NI5010_DEBUG > 3) dump_packet(buf, length);
684
685 buf_offs = NI5010_BUFSIZE - length - pad;
686
687 spin_lock_irqsave(&lp->lock, flags);
688 lp->o_pkt_size = length + pad;
689
690 outb(0, EDLC_RMASK); /* Mask all receive interrupts */
691 outb(0, IE_MMODE); /* Put Xmit buffer on system bus */
692 outb(0xff, EDLC_RCLR); /* Clear out pending rcv interrupts */
693
694 outw(buf_offs, IE_GP); /* Point GP at start of packet */
695 outsb(IE_XBUF, buf, length); /* Put data in buffer */
696 while(pad--)
697 outb(0, IE_XBUF);
698
699 outw(buf_offs, IE_GP); /* Rewrite where packet starts */
700
701 /* should work without that outb() (Crynwr used it) */
702 /*outb(MM_MUX, IE_MMODE);*/ /* Xmt buffer to EDLC bus */
703 outb(MM_EN_XMT | MM_MUX, IE_MMODE); /* Begin transmission */
704 outb(XM_ALL, EDLC_XMASK); /* Cause interrupt after completion or fail */
705
706 spin_unlock_irqrestore(&lp->lock, flags);
707
708 netif_wake_queue(dev);
709
710 if (NI5010_DEBUG) ni5010_show_registers(dev);
711}
712
713static void chipset_init(struct net_device *dev, int startp)
714{
715 /* FIXME: Move some stuff here */
716 PRINTK3((KERN_DEBUG "%s: doing NOTHING in chipset_init\n", dev->name));
717}
718
719static void ni5010_show_registers(struct net_device *dev)
720{
721 int ioaddr = dev->base_addr;
722
723 PRINTK3((KERN_DEBUG "%s: XSTAT %#2.2x\n", dev->name, inb(EDLC_XSTAT)));
724 PRINTK3((KERN_DEBUG "%s: XMASK %#2.2x\n", dev->name, inb(EDLC_XMASK)));
725 PRINTK3((KERN_DEBUG "%s: RSTAT %#2.2x\n", dev->name, inb(EDLC_RSTAT)));
726 PRINTK3((KERN_DEBUG "%s: RMASK %#2.2x\n", dev->name, inb(EDLC_RMASK)));
727 PRINTK3((KERN_DEBUG "%s: RMODE %#2.2x\n", dev->name, inb(EDLC_RMODE)));
728 PRINTK3((KERN_DEBUG "%s: XMODE %#2.2x\n", dev->name, inb(EDLC_XMODE)));
729 PRINTK3((KERN_DEBUG "%s: ISTAT %#2.2x\n", dev->name, inb(IE_ISTAT)));
730}
731
732#ifdef MODULE
733static struct net_device *dev_ni5010;
734
735module_param(io, int, 0);
736module_param(irq, int, 0);
737MODULE_PARM_DESC(io, "ni5010 I/O base address");
738MODULE_PARM_DESC(irq, "ni5010 IRQ number");
739
740static int __init ni5010_init_module(void)
741{
742 PRINTK2((KERN_DEBUG "%s: entering init_module\n", boardname));
743 /*
744 if(io <= 0 || irq == 0){
745 printk(KERN_WARNING "%s: Autoprobing not allowed for modules.\n", boardname);
746 printk(KERN_WARNING "%s: Set symbols 'io' and 'irq'\n", boardname);
747 return -EINVAL;
748 }
749 */
750 if (io <= 0){
751 printk(KERN_WARNING "%s: Autoprobing for modules is hazardous, trying anyway..\n", boardname);
752 }
753
754 PRINTK2((KERN_DEBUG "%s: init_module irq=%#2x, io=%#3x\n", boardname, irq, io));
755 dev_ni5010 = ni5010_probe(-1);
756 if (IS_ERR(dev_ni5010))
757 return PTR_ERR(dev_ni5010);
758 return 0;
759}
760
761static void __exit ni5010_cleanup_module(void)
762{
763 PRINTK2((KERN_DEBUG "%s: entering cleanup_module\n", boardname));
764 unregister_netdev(dev_ni5010);
765 release_region(dev_ni5010->base_addr, NI5010_IO_EXTENT);
766 free_netdev(dev_ni5010);
767}
768module_init(ni5010_init_module);
769module_exit(ni5010_cleanup_module);
770#endif /* MODULE */
771MODULE_LICENSE("GPL");
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-14 16:12:04 -0500