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-rw-r--r--drivers/net/sonic.c676
1 files changed, 415 insertions, 261 deletions
diff --git a/drivers/net/sonic.c b/drivers/net/sonic.c
index cdc9cc873e06..90b818a8de6e 100644
--- a/drivers/net/sonic.c
+++ b/drivers/net/sonic.c
@@ -1,6 +1,11 @@
1/* 1/*
2 * sonic.c 2 * sonic.c
3 * 3 *
4 * (C) 2005 Finn Thain
5 *
6 * Converted to DMA API, added zero-copy buffer handling, and
7 * (from the mac68k project) introduced dhd's support for 16-bit cards.
8 *
4 * (C) 1996,1998 by Thomas Bogendoerfer (tsbogend@alpha.franken.de) 9 * (C) 1996,1998 by Thomas Bogendoerfer (tsbogend@alpha.franken.de)
5 * 10 *
6 * This driver is based on work from Andreas Busse, but most of 11 * This driver is based on work from Andreas Busse, but most of
@@ -9,12 +14,23 @@
9 * (C) 1995 by Andreas Busse (andy@waldorf-gmbh.de) 14 * (C) 1995 by Andreas Busse (andy@waldorf-gmbh.de)
10 * 15 *
11 * Core code included by system sonic drivers 16 * Core code included by system sonic drivers
17 *
18 * And... partially rewritten again by David Huggins-Daines in order
19 * to cope with screwed up Macintosh NICs that may or may not use
20 * 16-bit DMA.
21 *
22 * (C) 1999 David Huggins-Daines <dhd@debian.org>
23 *
12 */ 24 */
13 25
14/* 26/*
15 * Sources: Olivetti M700-10 Risc Personal Computer hardware handbook, 27 * Sources: Olivetti M700-10 Risc Personal Computer hardware handbook,
16 * National Semiconductors data sheet for the DP83932B Sonic Ethernet 28 * National Semiconductors data sheet for the DP83932B Sonic Ethernet
17 * controller, and the files "8390.c" and "skeleton.c" in this directory. 29 * controller, and the files "8390.c" and "skeleton.c" in this directory.
30 *
31 * Additional sources: Nat Semi data sheet for the DP83932C and Nat Semi
32 * Application Note AN-746, the files "lance.c" and "ibmlana.c". See also
33 * the NetBSD file "sys/arch/mac68k/dev/if_sn.c".
18 */ 34 */
19 35
20 36
@@ -28,6 +44,9 @@
28 */ 44 */
29static int sonic_open(struct net_device *dev) 45static int sonic_open(struct net_device *dev)
30{ 46{
47 struct sonic_local *lp = netdev_priv(dev);
48 int i;
49
31 if (sonic_debug > 2) 50 if (sonic_debug > 2)
32 printk("sonic_open: initializing sonic driver.\n"); 51 printk("sonic_open: initializing sonic driver.\n");
33 52
@@ -40,14 +59,59 @@ static int sonic_open(struct net_device *dev)
40 * This means that during execution of the handler interrupt are disabled 59 * This means that during execution of the handler interrupt are disabled
41 * covering another bug otherwise corrupting data. This doesn't mean 60 * covering another bug otherwise corrupting data. This doesn't mean
42 * this glue works ok under all situations. 61 * this glue works ok under all situations.
62 *
63 * Note (dhd): this also appears to prevent lockups on the Macintrash
64 * when more than one Ethernet card is installed (knock on wood)
65 *
66 * Note (fthain): whether the above is still true is anyones guess. Certainly
67 * the buffer handling algorithms will not tolerate re-entrance without some
68 * mutual exclusion added. Anyway, the memcpy has now been eliminated from the
69 * rx code to make this a faster "fast interrupt".
43 */ 70 */
44// if (sonic_request_irq(dev->irq, &sonic_interrupt, 0, "sonic", dev)) { 71 if (request_irq(dev->irq, &sonic_interrupt, SONIC_IRQ_FLAG, "sonic", dev)) {
45 if (sonic_request_irq(dev->irq, &sonic_interrupt, SA_INTERRUPT, 72 printk(KERN_ERR "\n%s: unable to get IRQ %d .\n", dev->name, dev->irq);
46 "sonic", dev)) {
47 printk("\n%s: unable to get IRQ %d .\n", dev->name, dev->irq);
48 return -EAGAIN; 73 return -EAGAIN;
49 } 74 }
50 75
76 for (i = 0; i < SONIC_NUM_RRS; i++) {
77 struct sk_buff *skb = dev_alloc_skb(SONIC_RBSIZE + 2);
78 if (skb == NULL) {
79 while(i > 0) { /* free any that were allocated successfully */
80 i--;
81 dev_kfree_skb(lp->rx_skb[i]);
82 lp->rx_skb[i] = NULL;
83 }
84 printk(KERN_ERR "%s: couldn't allocate receive buffers\n",
85 dev->name);
86 return -ENOMEM;
87 }
88 skb->dev = dev;
89 /* align IP header unless DMA requires otherwise */
90 if (SONIC_BUS_SCALE(lp->dma_bitmode) == 2)
91 skb_reserve(skb, 2);
92 lp->rx_skb[i] = skb;
93 }
94
95 for (i = 0; i < SONIC_NUM_RRS; i++) {
96 dma_addr_t laddr = dma_map_single(lp->device, skb_put(lp->rx_skb[i], SONIC_RBSIZE),
97 SONIC_RBSIZE, DMA_FROM_DEVICE);
98 if (!laddr) {
99 while(i > 0) { /* free any that were mapped successfully */
100 i--;
101 dma_unmap_single(lp->device, lp->rx_laddr[i], SONIC_RBSIZE, DMA_FROM_DEVICE);
102 lp->rx_laddr[i] = (dma_addr_t)0;
103 }
104 for (i = 0; i < SONIC_NUM_RRS; i++) {
105 dev_kfree_skb(lp->rx_skb[i]);
106 lp->rx_skb[i] = NULL;
107 }
108 printk(KERN_ERR "%s: couldn't map rx DMA buffers\n",
109 dev->name);
110 return -ENOMEM;
111 }
112 lp->rx_laddr[i] = laddr;
113 }
114
51 /* 115 /*
52 * Initialize the SONIC 116 * Initialize the SONIC
53 */ 117 */
@@ -67,7 +131,8 @@ static int sonic_open(struct net_device *dev)
67 */ 131 */
68static int sonic_close(struct net_device *dev) 132static int sonic_close(struct net_device *dev)
69{ 133{
70 unsigned int base_addr = dev->base_addr; 134 struct sonic_local *lp = netdev_priv(dev);
135 int i;
71 136
72 if (sonic_debug > 2) 137 if (sonic_debug > 2)
73 printk("sonic_close\n"); 138 printk("sonic_close\n");
@@ -77,20 +142,56 @@ static int sonic_close(struct net_device *dev)
77 /* 142 /*
78 * stop the SONIC, disable interrupts 143 * stop the SONIC, disable interrupts
79 */ 144 */
80 SONIC_WRITE(SONIC_ISR, 0x7fff);
81 SONIC_WRITE(SONIC_IMR, 0); 145 SONIC_WRITE(SONIC_IMR, 0);
146 SONIC_WRITE(SONIC_ISR, 0x7fff);
82 SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); 147 SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
83 148
84 sonic_free_irq(dev->irq, dev); /* release the IRQ */ 149 /* unmap and free skbs that haven't been transmitted */
150 for (i = 0; i < SONIC_NUM_TDS; i++) {
151 if(lp->tx_laddr[i]) {
152 dma_unmap_single(lp->device, lp->tx_laddr[i], lp->tx_len[i], DMA_TO_DEVICE);
153 lp->tx_laddr[i] = (dma_addr_t)0;
154 }
155 if(lp->tx_skb[i]) {
156 dev_kfree_skb(lp->tx_skb[i]);
157 lp->tx_skb[i] = NULL;
158 }
159 }
160
161 /* unmap and free the receive buffers */
162 for (i = 0; i < SONIC_NUM_RRS; i++) {
163 if(lp->rx_laddr[i]) {
164 dma_unmap_single(lp->device, lp->rx_laddr[i], SONIC_RBSIZE, DMA_FROM_DEVICE);
165 lp->rx_laddr[i] = (dma_addr_t)0;
166 }
167 if(lp->rx_skb[i]) {
168 dev_kfree_skb(lp->rx_skb[i]);
169 lp->rx_skb[i] = NULL;
170 }
171 }
172
173 free_irq(dev->irq, dev); /* release the IRQ */
85 174
86 return 0; 175 return 0;
87} 176}
88 177
89static void sonic_tx_timeout(struct net_device *dev) 178static void sonic_tx_timeout(struct net_device *dev)
90{ 179{
91 struct sonic_local *lp = (struct sonic_local *) dev->priv; 180 struct sonic_local *lp = netdev_priv(dev);
92 printk("%s: transmit timed out.\n", dev->name); 181 int i;
93 182 /* Stop the interrupts for this */
183 SONIC_WRITE(SONIC_IMR, 0);
184 /* We could resend the original skbs. Easier to re-initialise. */
185 for (i = 0; i < SONIC_NUM_TDS; i++) {
186 if(lp->tx_laddr[i]) {
187 dma_unmap_single(lp->device, lp->tx_laddr[i], lp->tx_len[i], DMA_TO_DEVICE);
188 lp->tx_laddr[i] = (dma_addr_t)0;
189 }
190 if(lp->tx_skb[i]) {
191 dev_kfree_skb(lp->tx_skb[i]);
192 lp->tx_skb[i] = NULL;
193 }
194 }
94 /* Try to restart the adaptor. */ 195 /* Try to restart the adaptor. */
95 sonic_init(dev); 196 sonic_init(dev);
96 lp->stats.tx_errors++; 197 lp->stats.tx_errors++;
@@ -100,60 +201,92 @@ static void sonic_tx_timeout(struct net_device *dev)
100 201
101/* 202/*
102 * transmit packet 203 * transmit packet
204 *
205 * Appends new TD during transmission thus avoiding any TX interrupts
206 * until we run out of TDs.
207 * This routine interacts closely with the ISR in that it may,
208 * set tx_skb[i]
209 * reset the status flags of the new TD
210 * set and reset EOL flags
211 * stop the tx queue
212 * The ISR interacts with this routine in various ways. It may,
213 * reset tx_skb[i]
214 * test the EOL and status flags of the TDs
215 * wake the tx queue
216 * Concurrently with all of this, the SONIC is potentially writing to
217 * the status flags of the TDs.
218 * Until some mutual exclusion is added, this code will not work with SMP. However,
219 * MIPS Jazz machines and m68k Macs were all uni-processor machines.
103 */ 220 */
221
104static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev) 222static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
105{ 223{
106 struct sonic_local *lp = (struct sonic_local *) dev->priv; 224 struct sonic_local *lp = netdev_priv(dev);
107 unsigned int base_addr = dev->base_addr; 225 dma_addr_t laddr;
108 unsigned int laddr; 226 int length;
109 int entry, length; 227 int entry = lp->next_tx;
110
111 netif_stop_queue(dev);
112 228
113 if (sonic_debug > 2) 229 if (sonic_debug > 2)
114 printk("sonic_send_packet: skb=%p, dev=%p\n", skb, dev); 230 printk("sonic_send_packet: skb=%p, dev=%p\n", skb, dev);
115 231
232 length = skb->len;
233 if (length < ETH_ZLEN) {
234 skb = skb_padto(skb, ETH_ZLEN);
235 if (skb == NULL)
236 return 0;
237 length = ETH_ZLEN;
238 }
239
116 /* 240 /*
117 * Map the packet data into the logical DMA address space 241 * Map the packet data into the logical DMA address space
118 */ 242 */
119 if ((laddr = vdma_alloc(CPHYSADDR(skb->data), skb->len)) == ~0UL) { 243
120 printk("%s: no VDMA entry for transmit available.\n", 244 laddr = dma_map_single(lp->device, skb->data, length, DMA_TO_DEVICE);
121 dev->name); 245 if (!laddr) {
246 printk(KERN_ERR "%s: failed to map tx DMA buffer.\n", dev->name);
122 dev_kfree_skb(skb); 247 dev_kfree_skb(skb);
123 netif_start_queue(dev);
124 return 1; 248 return 1;
125 } 249 }
126 entry = lp->cur_tx & SONIC_TDS_MASK; 250
251 sonic_tda_put(dev, entry, SONIC_TD_STATUS, 0); /* clear status */
252 sonic_tda_put(dev, entry, SONIC_TD_FRAG_COUNT, 1); /* single fragment */
253 sonic_tda_put(dev, entry, SONIC_TD_PKTSIZE, length); /* length of packet */
254 sonic_tda_put(dev, entry, SONIC_TD_FRAG_PTR_L, laddr & 0xffff);
255 sonic_tda_put(dev, entry, SONIC_TD_FRAG_PTR_H, laddr >> 16);
256 sonic_tda_put(dev, entry, SONIC_TD_FRAG_SIZE, length);
257 sonic_tda_put(dev, entry, SONIC_TD_LINK,
258 sonic_tda_get(dev, entry, SONIC_TD_LINK) | SONIC_EOL);
259
260 /*
261 * Must set tx_skb[entry] only after clearing status, and
262 * before clearing EOL and before stopping queue
263 */
264 wmb();
265 lp->tx_len[entry] = length;
127 lp->tx_laddr[entry] = laddr; 266 lp->tx_laddr[entry] = laddr;
128 lp->tx_skb[entry] = skb; 267 lp->tx_skb[entry] = skb;
129 268
130 length = (skb->len < ETH_ZLEN) ? ETH_ZLEN : skb->len; 269 wmb();
131 flush_cache_all(); 270 sonic_tda_put(dev, lp->eol_tx, SONIC_TD_LINK,
271 sonic_tda_get(dev, lp->eol_tx, SONIC_TD_LINK) & ~SONIC_EOL);
272 lp->eol_tx = entry;
132 273
133 /* 274 lp->next_tx = (entry + 1) & SONIC_TDS_MASK;
134 * Setup the transmit descriptor and issue the transmit command. 275 if (lp->tx_skb[lp->next_tx] != NULL) {
135 */ 276 /* The ring is full, the ISR has yet to process the next TD. */
136 lp->tda[entry].tx_status = 0; /* clear status */ 277 if (sonic_debug > 3)
137 lp->tda[entry].tx_frag_count = 1; /* single fragment */ 278 printk("%s: stopping queue\n", dev->name);
138 lp->tda[entry].tx_pktsize = length; /* length of packet */ 279 netif_stop_queue(dev);
139 lp->tda[entry].tx_frag_ptr_l = laddr & 0xffff; 280 /* after this packet, wait for ISR to free up some TDAs */
140 lp->tda[entry].tx_frag_ptr_h = laddr >> 16; 281 } else netif_start_queue(dev);
141 lp->tda[entry].tx_frag_size = length;
142 lp->cur_tx++;
143 lp->stats.tx_bytes += length;
144 282
145 if (sonic_debug > 2) 283 if (sonic_debug > 2)
146 printk("sonic_send_packet: issueing Tx command\n"); 284 printk("sonic_send_packet: issuing Tx command\n");
147 285
148 SONIC_WRITE(SONIC_CMD, SONIC_CR_TXP); 286 SONIC_WRITE(SONIC_CMD, SONIC_CR_TXP);
149 287
150 dev->trans_start = jiffies; 288 dev->trans_start = jiffies;
151 289
152 if (lp->cur_tx < lp->dirty_tx + SONIC_NUM_TDS)
153 netif_start_queue(dev);
154 else
155 lp->tx_full = 1;
156
157 return 0; 290 return 0;
158} 291}
159 292
@@ -164,175 +297,199 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
164static irqreturn_t sonic_interrupt(int irq, void *dev_id, struct pt_regs *regs) 297static irqreturn_t sonic_interrupt(int irq, void *dev_id, struct pt_regs *regs)
165{ 298{
166 struct net_device *dev = (struct net_device *) dev_id; 299 struct net_device *dev = (struct net_device *) dev_id;
167 unsigned int base_addr = dev->base_addr; 300 struct sonic_local *lp = netdev_priv(dev);
168 struct sonic_local *lp;
169 int status; 301 int status;
170 302
171 if (dev == NULL) { 303 if (dev == NULL) {
172 printk("sonic_interrupt: irq %d for unknown device.\n", irq); 304 printk(KERN_ERR "sonic_interrupt: irq %d for unknown device.\n", irq);
173 return IRQ_NONE; 305 return IRQ_NONE;
174 } 306 }
175 307
176 lp = (struct sonic_local *) dev->priv; 308 if (!(status = SONIC_READ(SONIC_ISR) & SONIC_IMR_DEFAULT))
177 309 return IRQ_NONE;
178 status = SONIC_READ(SONIC_ISR);
179 SONIC_WRITE(SONIC_ISR, 0x7fff); /* clear all bits */
180
181 if (sonic_debug > 2)
182 printk("sonic_interrupt: ISR=%x\n", status);
183
184 if (status & SONIC_INT_PKTRX) {
185 sonic_rx(dev); /* got packet(s) */
186 }
187
188 if (status & SONIC_INT_TXDN) {
189 int dirty_tx = lp->dirty_tx;
190
191 while (dirty_tx < lp->cur_tx) {
192 int entry = dirty_tx & SONIC_TDS_MASK;
193 int status = lp->tda[entry].tx_status;
194 310
195 if (sonic_debug > 3) 311 do {
196 printk 312 if (status & SONIC_INT_PKTRX) {
197 ("sonic_interrupt: status %d, cur_tx %d, dirty_tx %d\n", 313 if (sonic_debug > 2)
198 status, lp->cur_tx, lp->dirty_tx); 314 printk("%s: packet rx\n", dev->name);
315 sonic_rx(dev); /* got packet(s) */
316 SONIC_WRITE(SONIC_ISR, SONIC_INT_PKTRX); /* clear the interrupt */
317 }
199 318
200 if (status == 0) { 319 if (status & SONIC_INT_TXDN) {
201 /* It still hasn't been Txed, kick the sonic again */ 320 int entry = lp->cur_tx;
202 SONIC_WRITE(SONIC_CMD, SONIC_CR_TXP); 321 int td_status;
203 break; 322 int freed_some = 0;
204 }
205 323
206 /* put back EOL and free descriptor */ 324 /* At this point, cur_tx is the index of a TD that is one of:
207 lp->tda[entry].tx_frag_count = 0; 325 * unallocated/freed (status set & tx_skb[entry] clear)
208 lp->tda[entry].tx_status = 0; 326 * allocated and sent (status set & tx_skb[entry] set )
209 327 * allocated and not yet sent (status clear & tx_skb[entry] set )
210 if (status & 0x0001) 328 * still being allocated by sonic_send_packet (status clear & tx_skb[entry] clear)
211 lp->stats.tx_packets++; 329 */
212 else {
213 lp->stats.tx_errors++;
214 if (status & 0x0642)
215 lp->stats.tx_aborted_errors++;
216 if (status & 0x0180)
217 lp->stats.tx_carrier_errors++;
218 if (status & 0x0020)
219 lp->stats.tx_window_errors++;
220 if (status & 0x0004)
221 lp->stats.tx_fifo_errors++;
222 }
223 330
224 /* We must free the original skb */ 331 if (sonic_debug > 2)
225 if (lp->tx_skb[entry]) { 332 printk("%s: tx done\n", dev->name);
333
334 while (lp->tx_skb[entry] != NULL) {
335 if ((td_status = sonic_tda_get(dev, entry, SONIC_TD_STATUS)) == 0)
336 break;
337
338 if (td_status & 0x0001) {
339 lp->stats.tx_packets++;
340 lp->stats.tx_bytes += sonic_tda_get(dev, entry, SONIC_TD_PKTSIZE);
341 } else {
342 lp->stats.tx_errors++;
343 if (td_status & 0x0642)
344 lp->stats.tx_aborted_errors++;
345 if (td_status & 0x0180)
346 lp->stats.tx_carrier_errors++;
347 if (td_status & 0x0020)
348 lp->stats.tx_window_errors++;
349 if (td_status & 0x0004)
350 lp->stats.tx_fifo_errors++;
351 }
352
353 /* We must free the original skb */
226 dev_kfree_skb_irq(lp->tx_skb[entry]); 354 dev_kfree_skb_irq(lp->tx_skb[entry]);
227 lp->tx_skb[entry] = 0; 355 lp->tx_skb[entry] = NULL;
356 /* and unmap DMA buffer */
357 dma_unmap_single(lp->device, lp->tx_laddr[entry], lp->tx_len[entry], DMA_TO_DEVICE);
358 lp->tx_laddr[entry] = (dma_addr_t)0;
359 freed_some = 1;
360
361 if (sonic_tda_get(dev, entry, SONIC_TD_LINK) & SONIC_EOL) {
362 entry = (entry + 1) & SONIC_TDS_MASK;
363 break;
364 }
365 entry = (entry + 1) & SONIC_TDS_MASK;
228 } 366 }
229 /* and the VDMA address */
230 vdma_free(lp->tx_laddr[entry]);
231 dirty_tx++;
232 }
233 367
234 if (lp->tx_full 368 if (freed_some || lp->tx_skb[entry] == NULL)
235 && dirty_tx + SONIC_NUM_TDS > lp->cur_tx + 2) { 369 netif_wake_queue(dev); /* The ring is no longer full */
236 /* The ring is no longer full, clear tbusy. */ 370 lp->cur_tx = entry;
237 lp->tx_full = 0; 371 SONIC_WRITE(SONIC_ISR, SONIC_INT_TXDN); /* clear the interrupt */
238 netif_wake_queue(dev);
239 } 372 }
240 373
241 lp->dirty_tx = dirty_tx; 374 /*
242 } 375 * check error conditions
376 */
377 if (status & SONIC_INT_RFO) {
378 if (sonic_debug > 1)
379 printk("%s: rx fifo overrun\n", dev->name);
380 lp->stats.rx_fifo_errors++;
381 SONIC_WRITE(SONIC_ISR, SONIC_INT_RFO); /* clear the interrupt */
382 }
383 if (status & SONIC_INT_RDE) {
384 if (sonic_debug > 1)
385 printk("%s: rx descriptors exhausted\n", dev->name);
386 lp->stats.rx_dropped++;
387 SONIC_WRITE(SONIC_ISR, SONIC_INT_RDE); /* clear the interrupt */
388 }
389 if (status & SONIC_INT_RBAE) {
390 if (sonic_debug > 1)
391 printk("%s: rx buffer area exceeded\n", dev->name);
392 lp->stats.rx_dropped++;
393 SONIC_WRITE(SONIC_ISR, SONIC_INT_RBAE); /* clear the interrupt */
394 }
243 395
244 /* 396 /* counter overruns; all counters are 16bit wide */
245 * check error conditions 397 if (status & SONIC_INT_FAE) {
246 */ 398 lp->stats.rx_frame_errors += 65536;
247 if (status & SONIC_INT_RFO) { 399 SONIC_WRITE(SONIC_ISR, SONIC_INT_FAE); /* clear the interrupt */
248 printk("%s: receive fifo underrun\n", dev->name); 400 }
249 lp->stats.rx_fifo_errors++; 401 if (status & SONIC_INT_CRC) {
250 } 402 lp->stats.rx_crc_errors += 65536;
251 if (status & SONIC_INT_RDE) { 403 SONIC_WRITE(SONIC_ISR, SONIC_INT_CRC); /* clear the interrupt */
252 printk("%s: receive descriptors exhausted\n", dev->name); 404 }
253 lp->stats.rx_dropped++; 405 if (status & SONIC_INT_MP) {
254 } 406 lp->stats.rx_missed_errors += 65536;
255 if (status & SONIC_INT_RBE) { 407 SONIC_WRITE(SONIC_ISR, SONIC_INT_MP); /* clear the interrupt */
256 printk("%s: receive buffer exhausted\n", dev->name); 408 }
257 lp->stats.rx_dropped++;
258 }
259 if (status & SONIC_INT_RBAE) {
260 printk("%s: receive buffer area exhausted\n", dev->name);
261 lp->stats.rx_dropped++;
262 }
263 409
264 /* counter overruns; all counters are 16bit wide */ 410 /* transmit error */
265 if (status & SONIC_INT_FAE) 411 if (status & SONIC_INT_TXER) {
266 lp->stats.rx_frame_errors += 65536; 412 if ((SONIC_READ(SONIC_TCR) & SONIC_TCR_FU) && (sonic_debug > 2))
267 if (status & SONIC_INT_CRC) 413 printk(KERN_ERR "%s: tx fifo underrun\n", dev->name);
268 lp->stats.rx_crc_errors += 65536; 414 SONIC_WRITE(SONIC_ISR, SONIC_INT_TXER); /* clear the interrupt */
269 if (status & SONIC_INT_MP) 415 }
270 lp->stats.rx_missed_errors += 65536;
271 416
272 /* transmit error */ 417 /* bus retry */
273 if (status & SONIC_INT_TXER) 418 if (status & SONIC_INT_BR) {
274 lp->stats.tx_errors++; 419 printk(KERN_ERR "%s: Bus retry occurred! Device interrupt disabled.\n",
420 dev->name);
421 /* ... to help debug DMA problems causing endless interrupts. */
422 /* Bounce the eth interface to turn on the interrupt again. */
423 SONIC_WRITE(SONIC_IMR, 0);
424 SONIC_WRITE(SONIC_ISR, SONIC_INT_BR); /* clear the interrupt */
425 }
275 426
276 /* 427 /* load CAM done */
277 * clear interrupt bits and return 428 if (status & SONIC_INT_LCD)
278 */ 429 SONIC_WRITE(SONIC_ISR, SONIC_INT_LCD); /* clear the interrupt */
279 SONIC_WRITE(SONIC_ISR, status); 430 } while((status = SONIC_READ(SONIC_ISR) & SONIC_IMR_DEFAULT));
280 return IRQ_HANDLED; 431 return IRQ_HANDLED;
281} 432}
282 433
283/* 434/*
284 * We have a good packet(s), get it/them out of the buffers. 435 * We have a good packet(s), pass it/them up the network stack.
285 */ 436 */
286static void sonic_rx(struct net_device *dev) 437static void sonic_rx(struct net_device *dev)
287{ 438{
288 unsigned int base_addr = dev->base_addr; 439 struct sonic_local *lp = netdev_priv(dev);
289 struct sonic_local *lp = (struct sonic_local *) dev->priv;
290 sonic_rd_t *rd = &lp->rda[lp->cur_rx & SONIC_RDS_MASK];
291 int status; 440 int status;
292 441 int entry = lp->cur_rx;
293 while (rd->in_use == 0) { 442
294 struct sk_buff *skb; 443 while (sonic_rda_get(dev, entry, SONIC_RD_IN_USE) == 0) {
444 struct sk_buff *used_skb;
445 struct sk_buff *new_skb;
446 dma_addr_t new_laddr;
447 u16 bufadr_l;
448 u16 bufadr_h;
295 int pkt_len; 449 int pkt_len;
296 unsigned char *pkt_ptr;
297 450
298 status = rd->rx_status; 451 status = sonic_rda_get(dev, entry, SONIC_RD_STATUS);
299 if (sonic_debug > 3)
300 printk("status %x, cur_rx %d, cur_rra %x\n",
301 status, lp->cur_rx, lp->cur_rra);
302 if (status & SONIC_RCR_PRX) { 452 if (status & SONIC_RCR_PRX) {
303 pkt_len = rd->rx_pktlen;
304 pkt_ptr =
305 (char *)
306 sonic_chiptomem((rd->rx_pktptr_h << 16) +
307 rd->rx_pktptr_l);
308
309 if (sonic_debug > 3)
310 printk
311 ("pktptr %p (rba %p) h:%x l:%x, bsize h:%x l:%x\n",
312 pkt_ptr, lp->rba, rd->rx_pktptr_h,
313 rd->rx_pktptr_l,
314 SONIC_READ(SONIC_RBWC1),
315 SONIC_READ(SONIC_RBWC0));
316
317 /* Malloc up new buffer. */ 453 /* Malloc up new buffer. */
318 skb = dev_alloc_skb(pkt_len + 2); 454 new_skb = dev_alloc_skb(SONIC_RBSIZE + 2);
319 if (skb == NULL) { 455 if (new_skb == NULL) {
320 printk 456 printk(KERN_ERR "%s: Memory squeeze, dropping packet.\n", dev->name);
321 ("%s: Memory squeeze, dropping packet.\n", 457 lp->stats.rx_dropped++;
322 dev->name); 458 break;
459 }
460 new_skb->dev = dev;
461 /* provide 16 byte IP header alignment unless DMA requires otherwise */
462 if(SONIC_BUS_SCALE(lp->dma_bitmode) == 2)
463 skb_reserve(new_skb, 2);
464
465 new_laddr = dma_map_single(lp->device, skb_put(new_skb, SONIC_RBSIZE),
466 SONIC_RBSIZE, DMA_FROM_DEVICE);
467 if (!new_laddr) {
468 dev_kfree_skb(new_skb);
469 printk(KERN_ERR "%s: Failed to map rx buffer, dropping packet.\n", dev->name);
323 lp->stats.rx_dropped++; 470 lp->stats.rx_dropped++;
324 break; 471 break;
325 } 472 }
326 skb->dev = dev; 473
327 skb_reserve(skb, 2); /* 16 byte align */ 474 /* now we have a new skb to replace it, pass the used one up the stack */
328 skb_put(skb, pkt_len); /* Make room */ 475 dma_unmap_single(lp->device, lp->rx_laddr[entry], SONIC_RBSIZE, DMA_FROM_DEVICE);
329 eth_copy_and_sum(skb, pkt_ptr, pkt_len, 0); 476 used_skb = lp->rx_skb[entry];
330 skb->protocol = eth_type_trans(skb, dev); 477 pkt_len = sonic_rda_get(dev, entry, SONIC_RD_PKTLEN);
331 netif_rx(skb); /* pass the packet to upper layers */ 478 skb_trim(used_skb, pkt_len);
479 used_skb->protocol = eth_type_trans(used_skb, dev);
480 netif_rx(used_skb);
332 dev->last_rx = jiffies; 481 dev->last_rx = jiffies;
333 lp->stats.rx_packets++; 482 lp->stats.rx_packets++;
334 lp->stats.rx_bytes += pkt_len; 483 lp->stats.rx_bytes += pkt_len;
335 484
485 /* and insert the new skb */
486 lp->rx_laddr[entry] = new_laddr;
487 lp->rx_skb[entry] = new_skb;
488
489 bufadr_l = (unsigned long)new_laddr & 0xffff;
490 bufadr_h = (unsigned long)new_laddr >> 16;
491 sonic_rra_put(dev, entry, SONIC_RR_BUFADR_L, bufadr_l);
492 sonic_rra_put(dev, entry, SONIC_RR_BUFADR_H, bufadr_h);
336 } else { 493 } else {
337 /* This should only happen, if we enable accepting broken packets. */ 494 /* This should only happen, if we enable accepting broken packets. */
338 lp->stats.rx_errors++; 495 lp->stats.rx_errors++;
@@ -341,29 +498,35 @@ static void sonic_rx(struct net_device *dev)
341 if (status & SONIC_RCR_CRCR) 498 if (status & SONIC_RCR_CRCR)
342 lp->stats.rx_crc_errors++; 499 lp->stats.rx_crc_errors++;
343 } 500 }
344
345 rd->in_use = 1;
346 rd = &lp->rda[(++lp->cur_rx) & SONIC_RDS_MASK];
347 /* now give back the buffer to the receive buffer area */
348 if (status & SONIC_RCR_LPKT) { 501 if (status & SONIC_RCR_LPKT) {
349 /* 502 /*
350 * this was the last packet out of the current receice buffer 503 * this was the last packet out of the current receive buffer
351 * give the buffer back to the SONIC 504 * give the buffer back to the SONIC
352 */ 505 */
353 lp->cur_rra += sizeof(sonic_rr_t); 506 lp->cur_rwp += SIZEOF_SONIC_RR * SONIC_BUS_SCALE(lp->dma_bitmode);
354 if (lp->cur_rra > 507 if (lp->cur_rwp >= lp->rra_end) lp->cur_rwp = lp->rra_laddr & 0xffff;
355 (lp->rra_laddr + 508 SONIC_WRITE(SONIC_RWP, lp->cur_rwp);
356 (SONIC_NUM_RRS - 509 if (SONIC_READ(SONIC_ISR) & SONIC_INT_RBE) {
357 1) * sizeof(sonic_rr_t))) lp->cur_rra = 510 if (sonic_debug > 2)
358 lp->rra_laddr; 511 printk("%s: rx buffer exhausted\n", dev->name);
359 SONIC_WRITE(SONIC_RWP, lp->cur_rra & 0xffff); 512 SONIC_WRITE(SONIC_ISR, SONIC_INT_RBE); /* clear the flag */
513 }
360 } else 514 } else
361 printk 515 printk(KERN_ERR "%s: rx desc without RCR_LPKT. Shouldn't happen !?\n",
362 ("%s: rx desc without RCR_LPKT. Shouldn't happen !?\n",
363 dev->name); 516 dev->name);
517 /*
518 * give back the descriptor
519 */
520 sonic_rda_put(dev, entry, SONIC_RD_LINK,
521 sonic_rda_get(dev, entry, SONIC_RD_LINK) | SONIC_EOL);
522 sonic_rda_put(dev, entry, SONIC_RD_IN_USE, 1);
523 sonic_rda_put(dev, lp->eol_rx, SONIC_RD_LINK,
524 sonic_rda_get(dev, lp->eol_rx, SONIC_RD_LINK) & ~SONIC_EOL);
525 lp->eol_rx = entry;
526 lp->cur_rx = entry = (entry + 1) & SONIC_RDS_MASK;
364 } 527 }
365 /* 528 /*
366 * If any worth-while packets have been received, dev_rint() 529 * If any worth-while packets have been received, netif_rx()
367 * has done a mark_bh(NET_BH) for us and will work on them 530 * has done a mark_bh(NET_BH) for us and will work on them
368 * when we get to the bottom-half routine. 531 * when we get to the bottom-half routine.
369 */ 532 */
@@ -376,8 +539,7 @@ static void sonic_rx(struct net_device *dev)
376 */ 539 */
377static struct net_device_stats *sonic_get_stats(struct net_device *dev) 540static struct net_device_stats *sonic_get_stats(struct net_device *dev)
378{ 541{
379 struct sonic_local *lp = (struct sonic_local *) dev->priv; 542 struct sonic_local *lp = netdev_priv(dev);
380 unsigned int base_addr = dev->base_addr;
381 543
382 /* read the tally counter from the SONIC and reset them */ 544 /* read the tally counter from the SONIC and reset them */
383 lp->stats.rx_crc_errors += SONIC_READ(SONIC_CRCT); 545 lp->stats.rx_crc_errors += SONIC_READ(SONIC_CRCT);
@@ -396,8 +558,7 @@ static struct net_device_stats *sonic_get_stats(struct net_device *dev)
396 */ 558 */
397static void sonic_multicast_list(struct net_device *dev) 559static void sonic_multicast_list(struct net_device *dev)
398{ 560{
399 struct sonic_local *lp = (struct sonic_local *) dev->priv; 561 struct sonic_local *lp = netdev_priv(dev);
400 unsigned int base_addr = dev->base_addr;
401 unsigned int rcr; 562 unsigned int rcr;
402 struct dev_mc_list *dmi = dev->mc_list; 563 struct dev_mc_list *dmi = dev->mc_list;
403 unsigned char *addr; 564 unsigned char *addr;
@@ -413,20 +574,15 @@ static void sonic_multicast_list(struct net_device *dev)
413 rcr |= SONIC_RCR_AMC; 574 rcr |= SONIC_RCR_AMC;
414 } else { 575 } else {
415 if (sonic_debug > 2) 576 if (sonic_debug > 2)
416 printk 577 printk("sonic_multicast_list: mc_count %d\n", dev->mc_count);
417 ("sonic_multicast_list: mc_count %d\n", 578 sonic_set_cam_enable(dev, 1); /* always enable our own address */
418 dev->mc_count);
419 lp->cda.cam_enable = 1; /* always enable our own address */
420 for (i = 1; i <= dev->mc_count; i++) { 579 for (i = 1; i <= dev->mc_count; i++) {
421 addr = dmi->dmi_addr; 580 addr = dmi->dmi_addr;
422 dmi = dmi->next; 581 dmi = dmi->next;
423 lp->cda.cam_desc[i].cam_cap0 = 582 sonic_cda_put(dev, i, SONIC_CD_CAP0, addr[1] << 8 | addr[0]);
424 addr[1] << 8 | addr[0]; 583 sonic_cda_put(dev, i, SONIC_CD_CAP1, addr[3] << 8 | addr[2]);
425 lp->cda.cam_desc[i].cam_cap1 = 584 sonic_cda_put(dev, i, SONIC_CD_CAP2, addr[5] << 8 | addr[4]);
426 addr[3] << 8 | addr[2]; 585 sonic_set_cam_enable(dev, sonic_get_cam_enable(dev) | (1 << i));
427 lp->cda.cam_desc[i].cam_cap2 =
428 addr[5] << 8 | addr[4];
429 lp->cda.cam_enable |= (1 << i);
430 } 586 }
431 SONIC_WRITE(SONIC_CDC, 16); 587 SONIC_WRITE(SONIC_CDC, 16);
432 /* issue Load CAM command */ 588 /* issue Load CAM command */
@@ -447,19 +603,16 @@ static void sonic_multicast_list(struct net_device *dev)
447 */ 603 */
448static int sonic_init(struct net_device *dev) 604static int sonic_init(struct net_device *dev)
449{ 605{
450 unsigned int base_addr = dev->base_addr;
451 unsigned int cmd; 606 unsigned int cmd;
452 struct sonic_local *lp = (struct sonic_local *) dev->priv; 607 struct sonic_local *lp = netdev_priv(dev);
453 unsigned int rra_start;
454 unsigned int rra_end;
455 int i; 608 int i;
456 609
457 /* 610 /*
458 * put the Sonic into software-reset mode and 611 * put the Sonic into software-reset mode and
459 * disable all interrupts 612 * disable all interrupts
460 */ 613 */
461 SONIC_WRITE(SONIC_ISR, 0x7fff);
462 SONIC_WRITE(SONIC_IMR, 0); 614 SONIC_WRITE(SONIC_IMR, 0);
615 SONIC_WRITE(SONIC_ISR, 0x7fff);
463 SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); 616 SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
464 617
465 /* 618 /*
@@ -475,34 +628,32 @@ static int sonic_init(struct net_device *dev)
475 if (sonic_debug > 2) 628 if (sonic_debug > 2)
476 printk("sonic_init: initialize receive resource area\n"); 629 printk("sonic_init: initialize receive resource area\n");
477 630
478 rra_start = lp->rra_laddr & 0xffff;
479 rra_end =
480 (rra_start + (SONIC_NUM_RRS * sizeof(sonic_rr_t))) & 0xffff;
481
482 for (i = 0; i < SONIC_NUM_RRS; i++) { 631 for (i = 0; i < SONIC_NUM_RRS; i++) {
483 lp->rra[i].rx_bufadr_l = 632 u16 bufadr_l = (unsigned long)lp->rx_laddr[i] & 0xffff;
484 (lp->rba_laddr + i * SONIC_RBSIZE) & 0xffff; 633 u16 bufadr_h = (unsigned long)lp->rx_laddr[i] >> 16;
485 lp->rra[i].rx_bufadr_h = 634 sonic_rra_put(dev, i, SONIC_RR_BUFADR_L, bufadr_l);
486 (lp->rba_laddr + i * SONIC_RBSIZE) >> 16; 635 sonic_rra_put(dev, i, SONIC_RR_BUFADR_H, bufadr_h);
487 lp->rra[i].rx_bufsize_l = SONIC_RBSIZE >> 1; 636 sonic_rra_put(dev, i, SONIC_RR_BUFSIZE_L, SONIC_RBSIZE >> 1);
488 lp->rra[i].rx_bufsize_h = 0; 637 sonic_rra_put(dev, i, SONIC_RR_BUFSIZE_H, 0);
489 } 638 }
490 639
491 /* initialize all RRA registers */ 640 /* initialize all RRA registers */
492 SONIC_WRITE(SONIC_RSA, rra_start); 641 lp->rra_end = (lp->rra_laddr + SONIC_NUM_RRS * SIZEOF_SONIC_RR *
493 SONIC_WRITE(SONIC_REA, rra_end); 642 SONIC_BUS_SCALE(lp->dma_bitmode)) & 0xffff;
494 SONIC_WRITE(SONIC_RRP, rra_start); 643 lp->cur_rwp = (lp->rra_laddr + (SONIC_NUM_RRS - 1) * SIZEOF_SONIC_RR *
495 SONIC_WRITE(SONIC_RWP, rra_end); 644 SONIC_BUS_SCALE(lp->dma_bitmode)) & 0xffff;
645
646 SONIC_WRITE(SONIC_RSA, lp->rra_laddr & 0xffff);
647 SONIC_WRITE(SONIC_REA, lp->rra_end);
648 SONIC_WRITE(SONIC_RRP, lp->rra_laddr & 0xffff);
649 SONIC_WRITE(SONIC_RWP, lp->cur_rwp);
496 SONIC_WRITE(SONIC_URRA, lp->rra_laddr >> 16); 650 SONIC_WRITE(SONIC_URRA, lp->rra_laddr >> 16);
497 SONIC_WRITE(SONIC_EOBC, (SONIC_RBSIZE - 2) >> 1); 651 SONIC_WRITE(SONIC_EOBC, (SONIC_RBSIZE >> 1) - (lp->dma_bitmode ? 2 : 1));
498
499 lp->cur_rra =
500 lp->rra_laddr + (SONIC_NUM_RRS - 1) * sizeof(sonic_rr_t);
501 652
502 /* load the resource pointers */ 653 /* load the resource pointers */
503 if (sonic_debug > 3) 654 if (sonic_debug > 3)
504 printk("sonic_init: issueing RRRA command\n"); 655 printk("sonic_init: issuing RRRA command\n");
505 656
506 SONIC_WRITE(SONIC_CMD, SONIC_CR_RRRA); 657 SONIC_WRITE(SONIC_CMD, SONIC_CR_RRRA);
507 i = 0; 658 i = 0;
508 while (i++ < 100) { 659 while (i++ < 100) {
@@ -511,27 +662,30 @@ static int sonic_init(struct net_device *dev)
511 } 662 }
512 663
513 if (sonic_debug > 2) 664 if (sonic_debug > 2)
514 printk("sonic_init: status=%x\n", SONIC_READ(SONIC_CMD)); 665 printk("sonic_init: status=%x i=%d\n", SONIC_READ(SONIC_CMD), i);
515 666
516 /* 667 /*
517 * Initialize the receive descriptors so that they 668 * Initialize the receive descriptors so that they
518 * become a circular linked list, ie. let the last 669 * become a circular linked list, ie. let the last
519 * descriptor point to the first again. 670 * descriptor point to the first again.
520 */ 671 */
521 if (sonic_debug > 2) 672 if (sonic_debug > 2)
522 printk("sonic_init: initialize receive descriptors\n"); 673 printk("sonic_init: initialize receive descriptors\n");
523 for (i = 0; i < SONIC_NUM_RDS; i++) { 674 for (i=0; i<SONIC_NUM_RDS; i++) {
524 lp->rda[i].rx_status = 0; 675 sonic_rda_put(dev, i, SONIC_RD_STATUS, 0);
525 lp->rda[i].rx_pktlen = 0; 676 sonic_rda_put(dev, i, SONIC_RD_PKTLEN, 0);
526 lp->rda[i].rx_pktptr_l = 0; 677 sonic_rda_put(dev, i, SONIC_RD_PKTPTR_L, 0);
527 lp->rda[i].rx_pktptr_h = 0; 678 sonic_rda_put(dev, i, SONIC_RD_PKTPTR_H, 0);
528 lp->rda[i].rx_seqno = 0; 679 sonic_rda_put(dev, i, SONIC_RD_SEQNO, 0);
529 lp->rda[i].in_use = 1; 680 sonic_rda_put(dev, i, SONIC_RD_IN_USE, 1);
530 lp->rda[i].link = 681 sonic_rda_put(dev, i, SONIC_RD_LINK,
531 lp->rda_laddr + (i + 1) * sizeof(sonic_rd_t); 682 lp->rda_laddr +
683 ((i+1) * SIZEOF_SONIC_RD * SONIC_BUS_SCALE(lp->dma_bitmode)));
532 } 684 }
533 /* fix last descriptor */ 685 /* fix last descriptor */
534 lp->rda[SONIC_NUM_RDS - 1].link = lp->rda_laddr; 686 sonic_rda_put(dev, SONIC_NUM_RDS - 1, SONIC_RD_LINK,
687 (lp->rda_laddr & 0xffff) | SONIC_EOL);
688 lp->eol_rx = SONIC_NUM_RDS - 1;
535 lp->cur_rx = 0; 689 lp->cur_rx = 0;
536 SONIC_WRITE(SONIC_URDA, lp->rda_laddr >> 16); 690 SONIC_WRITE(SONIC_URDA, lp->rda_laddr >> 16);
537 SONIC_WRITE(SONIC_CRDA, lp->rda_laddr & 0xffff); 691 SONIC_WRITE(SONIC_CRDA, lp->rda_laddr & 0xffff);
@@ -542,34 +696,34 @@ static int sonic_init(struct net_device *dev)
542 if (sonic_debug > 2) 696 if (sonic_debug > 2)
543 printk("sonic_init: initialize transmit descriptors\n"); 697 printk("sonic_init: initialize transmit descriptors\n");
544 for (i = 0; i < SONIC_NUM_TDS; i++) { 698 for (i = 0; i < SONIC_NUM_TDS; i++) {
545 lp->tda[i].tx_status = 0; 699 sonic_tda_put(dev, i, SONIC_TD_STATUS, 0);
546 lp->tda[i].tx_config = 0; 700 sonic_tda_put(dev, i, SONIC_TD_CONFIG, 0);
547 lp->tda[i].tx_pktsize = 0; 701 sonic_tda_put(dev, i, SONIC_TD_PKTSIZE, 0);
548 lp->tda[i].tx_frag_count = 0; 702 sonic_tda_put(dev, i, SONIC_TD_FRAG_COUNT, 0);
549 lp->tda[i].link = 703 sonic_tda_put(dev, i, SONIC_TD_LINK,
550 (lp->tda_laddr + 704 (lp->tda_laddr & 0xffff) +
551 (i + 1) * sizeof(sonic_td_t)) | SONIC_END_OF_LINKS; 705 (i + 1) * SIZEOF_SONIC_TD * SONIC_BUS_SCALE(lp->dma_bitmode));
706 lp->tx_skb[i] = NULL;
552 } 707 }
553 lp->tda[SONIC_NUM_TDS - 1].link = 708 /* fix last descriptor */
554 (lp->tda_laddr & 0xffff) | SONIC_END_OF_LINKS; 709 sonic_tda_put(dev, SONIC_NUM_TDS - 1, SONIC_TD_LINK,
710 (lp->tda_laddr & 0xffff));
555 711
556 SONIC_WRITE(SONIC_UTDA, lp->tda_laddr >> 16); 712 SONIC_WRITE(SONIC_UTDA, lp->tda_laddr >> 16);
557 SONIC_WRITE(SONIC_CTDA, lp->tda_laddr & 0xffff); 713 SONIC_WRITE(SONIC_CTDA, lp->tda_laddr & 0xffff);
558 lp->cur_tx = lp->dirty_tx = 0; 714 lp->cur_tx = lp->next_tx = 0;
559 715 lp->eol_tx = SONIC_NUM_TDS - 1;
716
560 /* 717 /*
561 * put our own address to CAM desc[0] 718 * put our own address to CAM desc[0]
562 */ 719 */
563 lp->cda.cam_desc[0].cam_cap0 = 720 sonic_cda_put(dev, 0, SONIC_CD_CAP0, dev->dev_addr[1] << 8 | dev->dev_addr[0]);
564 dev->dev_addr[1] << 8 | dev->dev_addr[0]; 721 sonic_cda_put(dev, 0, SONIC_CD_CAP1, dev->dev_addr[3] << 8 | dev->dev_addr[2]);
565 lp->cda.cam_desc[0].cam_cap1 = 722 sonic_cda_put(dev, 0, SONIC_CD_CAP2, dev->dev_addr[5] << 8 | dev->dev_addr[4]);
566 dev->dev_addr[3] << 8 | dev->dev_addr[2]; 723 sonic_set_cam_enable(dev, 1);
567 lp->cda.cam_desc[0].cam_cap2 =
568 dev->dev_addr[5] << 8 | dev->dev_addr[4];
569 lp->cda.cam_enable = 1;
570 724
571 for (i = 0; i < 16; i++) 725 for (i = 0; i < 16; i++)
572 lp->cda.cam_desc[i].cam_entry_pointer = i; 726 sonic_cda_put(dev, i, SONIC_CD_ENTRY_POINTER, i);
573 727
574 /* 728 /*
575 * initialize CAM registers 729 * initialize CAM registers
@@ -588,8 +742,8 @@ static int sonic_init(struct net_device *dev)
588 break; 742 break;
589 } 743 }
590 if (sonic_debug > 2) { 744 if (sonic_debug > 2) {
591 printk("sonic_init: CMD=%x, ISR=%x\n", 745 printk("sonic_init: CMD=%x, ISR=%x\n, i=%d",
592 SONIC_READ(SONIC_CMD), SONIC_READ(SONIC_ISR)); 746 SONIC_READ(SONIC_CMD), SONIC_READ(SONIC_ISR), i);
593 } 747 }
594 748
595 /* 749 /*
@@ -604,7 +758,7 @@ static int sonic_init(struct net_device *dev)
604 758
605 cmd = SONIC_READ(SONIC_CMD); 759 cmd = SONIC_READ(SONIC_CMD);
606 if ((cmd & SONIC_CR_RXEN) == 0 || (cmd & SONIC_CR_STP) == 0) 760 if ((cmd & SONIC_CR_RXEN) == 0 || (cmd & SONIC_CR_STP) == 0)
607 printk("sonic_init: failed, status=%x\n", cmd); 761 printk(KERN_ERR "sonic_init: failed, status=%x\n", cmd);
608 762
609 if (sonic_debug > 2) 763 if (sonic_debug > 2)
610 printk("sonic_init: new status=%x\n", 764 printk("sonic_init: new status=%x\n",
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-06 21:04:16 -0500