Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Sun3 i82586 Ethernet driver |
| 3 | * |
| 4 | * Cloned from ni52.c for the Sun3 by Sam Creasey (sammy@sammy.net) |
| 5 | * |
| 6 | * Original copyright follows: |
| 7 | * -------------------------- |
| 8 | * |
| 9 | * net-3-driver for the NI5210 card (i82586 Ethernet chip) |
| 10 | * |
| 11 | * This is an extension to the Linux operating system, and is covered by the |
| 12 | * same Gnu Public License that covers that work. |
| 13 | * |
| 14 | * Alphacode 0.82 (96/09/29) for Linux 2.0.0 (or later) |
| 15 | * Copyrights (c) 1994,1995,1996 by M.Hipp (hippm@informatik.uni-tuebingen.de) |
| 16 | * -------------------------- |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 17 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | * Consult ni52.c for further notes from the original driver. |
| 19 | * |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 20 | * This incarnation currently supports the OBIO version of the i82586 chip |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | * used in certain sun3 models. It should be fairly doable to expand this |
| 22 | * to support VME if I should every acquire such a board. |
| 23 | * |
| 24 | */ |
| 25 | |
| 26 | static int debuglevel = 0; /* debug-printk 0: off 1: a few 2: more */ |
| 27 | static int automatic_resume = 0; /* experimental .. better should be zero */ |
| 28 | static int rfdadd = 0; /* rfdadd=1 may be better for 8K MEM cards */ |
| 29 | static int fifo=0x8; /* don't change */ |
| 30 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include <linux/kernel.h> |
| 32 | #include <linux/string.h> |
| 33 | #include <linux/errno.h> |
| 34 | #include <linux/ioport.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | #include <linux/interrupt.h> |
| 36 | #include <linux/delay.h> |
| 37 | #include <linux/init.h> |
| 38 | #include <linux/bitops.h> |
| 39 | #include <asm/io.h> |
| 40 | #include <asm/idprom.h> |
| 41 | #include <asm/machines.h> |
| 42 | #include <asm/sun3mmu.h> |
| 43 | #include <asm/dvma.h> |
| 44 | #include <asm/byteorder.h> |
| 45 | |
| 46 | #include <linux/netdevice.h> |
| 47 | #include <linux/etherdevice.h> |
| 48 | #include <linux/skbuff.h> |
| 49 | |
| 50 | #include "sun3_82586.h" |
| 51 | |
| 52 | #define DRV_NAME "sun3_82586" |
| 53 | |
| 54 | #define DEBUG /* debug on */ |
| 55 | #define SYSBUSVAL 0 /* 16 Bit */ |
| 56 | #define SUN3_82586_TOTAL_SIZE PAGE_SIZE |
| 57 | |
| 58 | #define sun3_attn586() {*(volatile unsigned char *)(dev->base_addr) |= IEOB_ATTEN; *(volatile unsigned char *)(dev->base_addr) &= ~IEOB_ATTEN;} |
| 59 | #define sun3_reset586() {*(volatile unsigned char *)(dev->base_addr) = 0; udelay(100); *(volatile unsigned char *)(dev->base_addr) = IEOB_NORSET;} |
| 60 | #define sun3_disint() {*(volatile unsigned char *)(dev->base_addr) &= ~IEOB_IENAB;} |
| 61 | #define sun3_enaint() {*(volatile unsigned char *)(dev->base_addr) |= IEOB_IENAB;} |
| 62 | #define sun3_active() {*(volatile unsigned char *)(dev->base_addr) |= (IEOB_IENAB|IEOB_ONAIR|IEOB_NORSET);} |
| 63 | |
| 64 | #define make32(ptr16) (p->memtop + (swab16((unsigned short) (ptr16))) ) |
| 65 | #define make24(ptr32) (char *)swab32(( ((unsigned long) (ptr32)) - p->base)) |
| 66 | #define make16(ptr32) (swab16((unsigned short) ((unsigned long)(ptr32) - (unsigned long) p->memtop ))) |
| 67 | |
| 68 | /******************* how to calculate the buffers ***************************** |
| 69 | |
| 70 | * IMPORTANT NOTE: if you configure only one NUM_XMIT_BUFFS, the driver works |
| 71 | * --------------- in a different (more stable?) mode. Only in this mode it's |
| 72 | * possible to configure the driver with 'NO_NOPCOMMANDS' |
| 73 | |
| 74 | sizeof(scp)=12; sizeof(scb)=16; sizeof(iscp)=8; |
| 75 | sizeof(scp)+sizeof(iscp)+sizeof(scb) = 36 = INIT |
| 76 | sizeof(rfd) = 24; sizeof(rbd) = 12; |
| 77 | sizeof(tbd) = 8; sizeof(transmit_cmd) = 16; |
| 78 | sizeof(nop_cmd) = 8; |
| 79 | |
| 80 | * if you don't know the driver, better do not change these values: */ |
| 81 | |
| 82 | #define RECV_BUFF_SIZE 1536 /* slightly oversized */ |
| 83 | #define XMIT_BUFF_SIZE 1536 /* slightly oversized */ |
| 84 | #define NUM_XMIT_BUFFS 1 /* config for 32K shmem */ |
| 85 | #define NUM_RECV_BUFFS_8 4 /* config for 32K shared mem */ |
| 86 | #define NUM_RECV_BUFFS_16 9 /* config for 32K shared mem */ |
| 87 | #define NUM_RECV_BUFFS_32 16 /* config for 32K shared mem */ |
| 88 | #define NO_NOPCOMMANDS /* only possible with NUM_XMIT_BUFFS=1 */ |
| 89 | |
| 90 | /**************************************************************************/ |
| 91 | |
| 92 | /* different DELAYs */ |
| 93 | #define DELAY(x) mdelay(32 * x); |
| 94 | #define DELAY_16(); { udelay(16); } |
| 95 | #define DELAY_18(); { udelay(4); } |
| 96 | |
| 97 | /* wait for command with timeout: */ |
| 98 | #define WAIT_4_SCB_CMD() \ |
| 99 | { int i; \ |
| 100 | for(i=0;i<16384;i++) { \ |
| 101 | if(!p->scb->cmd_cuc) break; \ |
| 102 | DELAY_18(); \ |
| 103 | if(i == 16383) { \ |
| 104 | printk("%s: scb_cmd timed out: %04x,%04x .. disabling i82586!!\n",dev->name,p->scb->cmd_cuc,p->scb->cus); \ |
| 105 | if(!p->reseted) { p->reseted = 1; sun3_reset586(); } } } } |
| 106 | |
| 107 | #define WAIT_4_SCB_CMD_RUC() { int i; \ |
| 108 | for(i=0;i<16384;i++) { \ |
| 109 | if(!p->scb->cmd_ruc) break; \ |
| 110 | DELAY_18(); \ |
| 111 | if(i == 16383) { \ |
| 112 | printk("%s: scb_cmd (ruc) timed out: %04x,%04x .. disabling i82586!!\n",dev->name,p->scb->cmd_ruc,p->scb->rus); \ |
| 113 | if(!p->reseted) { p->reseted = 1; sun3_reset586(); } } } } |
| 114 | |
| 115 | #define WAIT_4_STAT_COMPL(addr) { int i; \ |
| 116 | for(i=0;i<32767;i++) { \ |
| 117 | if(swab16((addr)->cmd_status) & STAT_COMPL) break; \ |
| 118 | DELAY_16(); DELAY_16(); } } |
| 119 | |
| 120 | static int sun3_82586_probe1(struct net_device *dev,int ioaddr); |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 121 | static irqreturn_t sun3_82586_interrupt(int irq,void *dev_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | static int sun3_82586_open(struct net_device *dev); |
| 123 | static int sun3_82586_close(struct net_device *dev); |
| 124 | static int sun3_82586_send_packet(struct sk_buff *,struct net_device *); |
| 125 | static struct net_device_stats *sun3_82586_get_stats(struct net_device *dev); |
| 126 | static void set_multicast_list(struct net_device *dev); |
| 127 | static void sun3_82586_timeout(struct net_device *dev); |
| 128 | #if 0 |
| 129 | static void sun3_82586_dump(struct net_device *,void *); |
| 130 | #endif |
| 131 | |
| 132 | /* helper-functions */ |
| 133 | static int init586(struct net_device *dev); |
| 134 | static int check586(struct net_device *dev,char *where,unsigned size); |
| 135 | static void alloc586(struct net_device *dev); |
| 136 | static void startrecv586(struct net_device *dev); |
| 137 | static void *alloc_rfa(struct net_device *dev,void *ptr); |
| 138 | static void sun3_82586_rcv_int(struct net_device *dev); |
| 139 | static void sun3_82586_xmt_int(struct net_device *dev); |
| 140 | static void sun3_82586_rnr_int(struct net_device *dev); |
| 141 | |
| 142 | struct priv |
| 143 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | unsigned long base; |
| 145 | char *memtop; |
| 146 | long int lock; |
| 147 | int reseted; |
| 148 | volatile struct rfd_struct *rfd_last,*rfd_top,*rfd_first; |
| 149 | volatile struct scp_struct *scp; /* volatile is important */ |
| 150 | volatile struct iscp_struct *iscp; /* volatile is important */ |
| 151 | volatile struct scb_struct *scb; /* volatile is important */ |
| 152 | volatile struct tbd_struct *xmit_buffs[NUM_XMIT_BUFFS]; |
| 153 | volatile struct transmit_cmd_struct *xmit_cmds[NUM_XMIT_BUFFS]; |
| 154 | #if (NUM_XMIT_BUFFS == 1) |
| 155 | volatile struct nop_cmd_struct *nop_cmds[2]; |
| 156 | #else |
| 157 | volatile struct nop_cmd_struct *nop_cmds[NUM_XMIT_BUFFS]; |
| 158 | #endif |
| 159 | volatile int nop_point,num_recv_buffs; |
| 160 | volatile char *xmit_cbuffs[NUM_XMIT_BUFFS]; |
| 161 | volatile int xmit_count,xmit_last; |
| 162 | }; |
| 163 | |
| 164 | /********************************************** |
| 165 | * close device |
| 166 | */ |
| 167 | static int sun3_82586_close(struct net_device *dev) |
| 168 | { |
| 169 | free_irq(dev->irq, dev); |
| 170 | |
| 171 | sun3_reset586(); /* the hard way to stop the receiver */ |
| 172 | |
| 173 | netif_stop_queue(dev); |
| 174 | |
| 175 | return 0; |
| 176 | } |
| 177 | |
| 178 | /********************************************** |
| 179 | * open device |
| 180 | */ |
| 181 | static int sun3_82586_open(struct net_device *dev) |
| 182 | { |
| 183 | int ret; |
| 184 | |
| 185 | sun3_disint(); |
| 186 | alloc586(dev); |
| 187 | init586(dev); |
| 188 | startrecv586(dev); |
| 189 | sun3_enaint(); |
| 190 | |
Joe Perches | a0607fd | 2009-11-18 23:29:17 -0800 | [diff] [blame] | 191 | ret = request_irq(dev->irq, sun3_82586_interrupt,0,dev->name,dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | if (ret) |
| 193 | { |
| 194 | sun3_reset586(); |
| 195 | return ret; |
| 196 | } |
| 197 | |
| 198 | netif_start_queue(dev); |
| 199 | |
| 200 | return 0; /* most done by init */ |
| 201 | } |
| 202 | |
| 203 | /********************************************** |
| 204 | * Check to see if there's an 82586 out there. |
| 205 | */ |
| 206 | static int check586(struct net_device *dev,char *where,unsigned size) |
| 207 | { |
| 208 | struct priv pb; |
Wang Chen | b74ca3a | 2008-12-08 01:14:16 -0800 | [diff] [blame] | 209 | struct priv *p = &pb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | char *iscp_addr; |
| 211 | int i; |
| 212 | |
| 213 | p->base = (unsigned long) dvma_btov(0); |
| 214 | p->memtop = (char *)dvma_btov((unsigned long)where); |
| 215 | p->scp = (struct scp_struct *)(p->base + SCP_DEFAULT_ADDRESS); |
| 216 | memset((char *)p->scp,0, sizeof(struct scp_struct)); |
| 217 | for(i=0;i<sizeof(struct scp_struct);i++) /* memory was writeable? */ |
| 218 | if(((char *)p->scp)[i]) |
| 219 | return 0; |
| 220 | p->scp->sysbus = SYSBUSVAL; /* 1 = 8Bit-Bus, 0 = 16 Bit */ |
| 221 | if(p->scp->sysbus != SYSBUSVAL) |
| 222 | return 0; |
| 223 | |
| 224 | iscp_addr = (char *)dvma_btov((unsigned long)where); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 225 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | p->iscp = (struct iscp_struct *) iscp_addr; |
| 227 | memset((char *)p->iscp,0, sizeof(struct iscp_struct)); |
| 228 | |
| 229 | p->scp->iscp = make24(p->iscp); |
| 230 | p->iscp->busy = 1; |
| 231 | |
| 232 | sun3_reset586(); |
| 233 | sun3_attn586(); |
| 234 | DELAY(1); /* wait a while... */ |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 235 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | if(p->iscp->busy) /* i82586 clears 'busy' after successful init */ |
| 237 | return 0; |
| 238 | |
| 239 | return 1; |
| 240 | } |
| 241 | |
| 242 | /****************************************************************** |
| 243 | * set iscp at the right place, called by sun3_82586_probe1 and open586. |
| 244 | */ |
| 245 | static void alloc586(struct net_device *dev) |
| 246 | { |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 247 | struct priv *p = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | |
| 249 | sun3_reset586(); |
| 250 | DELAY(1); |
| 251 | |
| 252 | p->scp = (struct scp_struct *) (p->base + SCP_DEFAULT_ADDRESS); |
| 253 | p->iscp = (struct iscp_struct *) dvma_btov(dev->mem_start); |
| 254 | p->scb = (struct scb_struct *) ((char *)p->iscp + sizeof(struct iscp_struct)); |
| 255 | |
| 256 | memset((char *) p->iscp,0,sizeof(struct iscp_struct)); |
| 257 | memset((char *) p->scp ,0,sizeof(struct scp_struct)); |
| 258 | |
| 259 | p->scp->iscp = make24(p->iscp); |
| 260 | p->scp->sysbus = SYSBUSVAL; |
| 261 | p->iscp->scb_offset = make16(p->scb); |
| 262 | p->iscp->scb_base = make24(dvma_btov(dev->mem_start)); |
| 263 | |
| 264 | p->iscp->busy = 1; |
| 265 | sun3_reset586(); |
| 266 | sun3_attn586(); |
| 267 | |
| 268 | DELAY(1); |
| 269 | |
| 270 | if(p->iscp->busy) |
| 271 | printk("%s: Init-Problems (alloc).\n",dev->name); |
| 272 | |
| 273 | p->reseted = 0; |
| 274 | |
| 275 | memset((char *)p->scb,0,sizeof(struct scb_struct)); |
| 276 | } |
| 277 | |
| 278 | struct net_device * __init sun3_82586_probe(int unit) |
| 279 | { |
| 280 | struct net_device *dev; |
| 281 | unsigned long ioaddr; |
| 282 | static int found = 0; |
| 283 | int err = -ENOMEM; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 284 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | /* check that this machine has an onboard 82586 */ |
| 286 | switch(idprom->id_machtype) { |
| 287 | case SM_SUN3|SM_3_160: |
| 288 | case SM_SUN3|SM_3_260: |
| 289 | /* these machines have 82586 */ |
| 290 | break; |
| 291 | |
| 292 | default: |
| 293 | return ERR_PTR(-ENODEV); |
| 294 | } |
| 295 | |
| 296 | if (found) |
| 297 | return ERR_PTR(-ENODEV); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 298 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | ioaddr = (unsigned long)ioremap(IE_OBIO, SUN3_82586_TOTAL_SIZE); |
| 300 | if (!ioaddr) |
| 301 | return ERR_PTR(-ENOMEM); |
| 302 | found = 1; |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 303 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | dev = alloc_etherdev(sizeof(struct priv)); |
| 305 | if (!dev) |
| 306 | goto out; |
| 307 | if (unit >= 0) { |
| 308 | sprintf(dev->name, "eth%d", unit); |
| 309 | netdev_boot_setup_check(dev); |
| 310 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | |
| 312 | dev->irq = IE_IRQ; |
| 313 | dev->base_addr = ioaddr; |
| 314 | err = sun3_82586_probe1(dev, ioaddr); |
| 315 | if (err) |
| 316 | goto out1; |
| 317 | err = register_netdev(dev); |
| 318 | if (err) |
| 319 | goto out2; |
| 320 | return dev; |
| 321 | |
| 322 | out2: |
| 323 | release_region(ioaddr, SUN3_82586_TOTAL_SIZE); |
| 324 | out1: |
| 325 | free_netdev(dev); |
| 326 | out: |
Al Viro | 437111c | 2006-10-11 17:28:17 +0100 | [diff] [blame] | 327 | iounmap((void __iomem *)ioaddr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | return ERR_PTR(err); |
| 329 | } |
| 330 | |
Alexander Beregalov | 7e4fdcb | 2009-04-11 07:39:58 +0000 | [diff] [blame] | 331 | static const struct net_device_ops sun3_82586_netdev_ops = { |
| 332 | .ndo_open = sun3_82586_open, |
| 333 | .ndo_stop = sun3_82586_close, |
| 334 | .ndo_start_xmit = sun3_82586_send_packet, |
Jiri Pirko | afc4b13 | 2011-08-16 06:29:01 +0000 | [diff] [blame] | 335 | .ndo_set_rx_mode = set_multicast_list, |
Alexander Beregalov | 7e4fdcb | 2009-04-11 07:39:58 +0000 | [diff] [blame] | 336 | .ndo_tx_timeout = sun3_82586_timeout, |
| 337 | .ndo_get_stats = sun3_82586_get_stats, |
| 338 | .ndo_validate_addr = eth_validate_addr, |
| 339 | .ndo_set_mac_address = eth_mac_addr, |
| 340 | .ndo_change_mtu = eth_change_mtu, |
| 341 | }; |
| 342 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | static int __init sun3_82586_probe1(struct net_device *dev,int ioaddr) |
| 344 | { |
| 345 | int i, size, retval; |
| 346 | |
| 347 | if (!request_region(ioaddr, SUN3_82586_TOTAL_SIZE, DRV_NAME)) |
| 348 | return -EBUSY; |
| 349 | |
| 350 | /* copy in the ethernet address from the prom */ |
| 351 | for(i = 0; i < 6 ; i++) |
| 352 | dev->dev_addr[i] = idprom->id_ethaddr[i]; |
| 353 | |
| 354 | printk("%s: SUN3 Intel 82586 found at %lx, ",dev->name,dev->base_addr); |
| 355 | |
| 356 | /* |
| 357 | * check (or search) IO-Memory, 32K |
| 358 | */ |
| 359 | size = 0x8000; |
| 360 | |
| 361 | dev->mem_start = (unsigned long)dvma_malloc_align(0x8000, 0x1000); |
| 362 | dev->mem_end = dev->mem_start + size; |
| 363 | |
| 364 | if(size != 0x2000 && size != 0x4000 && size != 0x8000) { |
| 365 | printk("\n%s: Illegal memory size %d. Allowed is 0x2000 or 0x4000 or 0x8000 bytes.\n",dev->name,size); |
| 366 | retval = -ENODEV; |
| 367 | goto out; |
| 368 | } |
| 369 | if(!check586(dev,(char *) dev->mem_start,size)) { |
| 370 | printk("?memcheck, Can't find memory at 0x%lx with size %d!\n",dev->mem_start,size); |
| 371 | retval = -ENODEV; |
| 372 | goto out; |
| 373 | } |
| 374 | |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 375 | ((struct priv *)netdev_priv(dev))->memtop = |
| 376 | (char *)dvma_btov(dev->mem_start); |
| 377 | ((struct priv *)netdev_priv(dev))->base = (unsigned long) dvma_btov(0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | alloc586(dev); |
| 379 | |
| 380 | /* set number of receive-buffs according to memsize */ |
| 381 | if(size == 0x2000) |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 382 | ((struct priv *)netdev_priv(dev))->num_recv_buffs = |
| 383 | NUM_RECV_BUFFS_8; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | else if(size == 0x4000) |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 385 | ((struct priv *)netdev_priv(dev))->num_recv_buffs = |
| 386 | NUM_RECV_BUFFS_16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | else |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 388 | ((struct priv *)netdev_priv(dev))->num_recv_buffs = |
| 389 | NUM_RECV_BUFFS_32; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | |
| 391 | printk("Memaddr: 0x%lx, Memsize: %d, IRQ %d\n",dev->mem_start,size, dev->irq); |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 392 | |
Alexander Beregalov | 7e4fdcb | 2009-04-11 07:39:58 +0000 | [diff] [blame] | 393 | dev->netdev_ops = &sun3_82586_netdev_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 394 | dev->watchdog_timeo = HZ/20; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | |
| 396 | dev->if_port = 0; |
| 397 | return 0; |
| 398 | out: |
| 399 | release_region(ioaddr, SUN3_82586_TOTAL_SIZE); |
| 400 | return retval; |
| 401 | } |
| 402 | |
| 403 | |
| 404 | static int init586(struct net_device *dev) |
| 405 | { |
| 406 | void *ptr; |
| 407 | int i,result=0; |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 408 | struct priv *p = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 409 | volatile struct configure_cmd_struct *cfg_cmd; |
| 410 | volatile struct iasetup_cmd_struct *ias_cmd; |
| 411 | volatile struct tdr_cmd_struct *tdr_cmd; |
| 412 | volatile struct mcsetup_cmd_struct *mc_cmd; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 413 | struct netdev_hw_addr *ha; |
Jiri Pirko | 4cd24ea | 2010-02-08 04:30:35 +0000 | [diff] [blame] | 414 | int num_addrs=netdev_mc_count(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | |
| 416 | ptr = (void *) ((char *)p->scb + sizeof(struct scb_struct)); |
| 417 | |
| 418 | cfg_cmd = (struct configure_cmd_struct *)ptr; /* configure-command */ |
| 419 | cfg_cmd->cmd_status = 0; |
| 420 | cfg_cmd->cmd_cmd = swab16(CMD_CONFIGURE | CMD_LAST); |
| 421 | cfg_cmd->cmd_link = 0xffff; |
| 422 | |
| 423 | cfg_cmd->byte_cnt = 0x0a; /* number of cfg bytes */ |
| 424 | cfg_cmd->fifo = fifo; /* fifo-limit (8=tx:32/rx:64) */ |
| 425 | cfg_cmd->sav_bf = 0x40; /* hold or discard bad recv frames (bit 7) */ |
| 426 | cfg_cmd->adr_len = 0x2e; /* addr_len |!src_insert |pre-len |loopback */ |
| 427 | cfg_cmd->priority = 0x00; |
| 428 | cfg_cmd->ifs = 0x60; |
| 429 | cfg_cmd->time_low = 0x00; |
| 430 | cfg_cmd->time_high = 0xf2; |
| 431 | cfg_cmd->promisc = 0; |
| 432 | if(dev->flags & IFF_ALLMULTI) { |
| 433 | int len = ((char *) p->iscp - (char *) ptr - 8) / 6; |
| 434 | if(num_addrs > len) { |
| 435 | printk("%s: switching to promisc. mode\n",dev->name); |
Wang Chen | c16d118 | 2008-07-22 13:13:12 +0800 | [diff] [blame] | 436 | cfg_cmd->promisc = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 437 | } |
| 438 | } |
| 439 | if(dev->flags&IFF_PROMISC) |
Wang Chen | c16d118 | 2008-07-22 13:13:12 +0800 | [diff] [blame] | 440 | cfg_cmd->promisc = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 441 | cfg_cmd->carr_coll = 0x00; |
| 442 | |
| 443 | p->scb->cbl_offset = make16(cfg_cmd); |
| 444 | p->scb->cmd_ruc = 0; |
| 445 | |
| 446 | p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */ |
| 447 | sun3_attn586(); |
| 448 | |
| 449 | WAIT_4_STAT_COMPL(cfg_cmd); |
| 450 | |
| 451 | if((swab16(cfg_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) != (STAT_COMPL|STAT_OK)) |
| 452 | { |
| 453 | printk("%s: configure command failed: %x\n",dev->name,swab16(cfg_cmd->cmd_status)); |
| 454 | return 1; |
| 455 | } |
| 456 | |
| 457 | /* |
| 458 | * individual address setup |
| 459 | */ |
| 460 | |
| 461 | ias_cmd = (struct iasetup_cmd_struct *)ptr; |
| 462 | |
| 463 | ias_cmd->cmd_status = 0; |
| 464 | ias_cmd->cmd_cmd = swab16(CMD_IASETUP | CMD_LAST); |
| 465 | ias_cmd->cmd_link = 0xffff; |
| 466 | |
| 467 | memcpy((char *)&ias_cmd->iaddr,(char *) dev->dev_addr,ETH_ALEN); |
| 468 | |
| 469 | p->scb->cbl_offset = make16(ias_cmd); |
| 470 | |
| 471 | p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */ |
| 472 | sun3_attn586(); |
| 473 | |
| 474 | WAIT_4_STAT_COMPL(ias_cmd); |
| 475 | |
| 476 | if((swab16(ias_cmd->cmd_status) & (STAT_OK|STAT_COMPL)) != (STAT_OK|STAT_COMPL)) { |
| 477 | printk("%s (82586): individual address setup command failed: %04x\n",dev->name,swab16(ias_cmd->cmd_status)); |
| 478 | return 1; |
| 479 | } |
| 480 | |
| 481 | /* |
| 482 | * TDR, wire check .. e.g. no resistor e.t.c |
| 483 | */ |
Jeff Garzik | 6aa20a2 | 2006-09-13 13:24:59 -0400 | [diff] [blame] | 484 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | tdr_cmd = (struct tdr_cmd_struct *)ptr; |
| 486 | |
| 487 | tdr_cmd->cmd_status = 0; |
| 488 | tdr_cmd->cmd_cmd = swab16(CMD_TDR | CMD_LAST); |
| 489 | tdr_cmd->cmd_link = 0xffff; |
| 490 | tdr_cmd->status = 0; |
| 491 | |
| 492 | p->scb->cbl_offset = make16(tdr_cmd); |
| 493 | p->scb->cmd_cuc = CUC_START; /* cmd.-unit start */ |
| 494 | sun3_attn586(); |
| 495 | |
| 496 | WAIT_4_STAT_COMPL(tdr_cmd); |
| 497 | |
| 498 | if(!(swab16(tdr_cmd->cmd_status) & STAT_COMPL)) |
| 499 | { |
| 500 | printk("%s: Problems while running the TDR.\n",dev->name); |
| 501 | } |
| 502 | else |
| 503 | { |
| 504 | DELAY_16(); /* wait for result */ |
| 505 | result = swab16(tdr_cmd->status); |
| 506 | |
| 507 | p->scb->cmd_cuc = p->scb->cus & STAT_MASK; |
| 508 | sun3_attn586(); /* ack the interrupts */ |
| 509 | |
| 510 | if(result & TDR_LNK_OK) |
| 511 | ; |
| 512 | else if(result & TDR_XCVR_PRB) |
| 513 | printk("%s: TDR: Transceiver problem. Check the cable(s)!\n",dev->name); |
| 514 | else if(result & TDR_ET_OPN) |
| 515 | printk("%s: TDR: No correct termination %d clocks away.\n",dev->name,result & TDR_TIMEMASK); |
| 516 | else if(result & TDR_ET_SRT) |
| 517 | { |
| 518 | if (result & TDR_TIMEMASK) /* time == 0 -> strange :-) */ |
| 519 | printk("%s: TDR: Detected a short circuit %d clocks away.\n",dev->name,result & TDR_TIMEMASK); |
| 520 | } |
| 521 | else |
| 522 | printk("%s: TDR: Unknown status %04x\n",dev->name,result); |
| 523 | } |
| 524 | |
| 525 | /* |
| 526 | * Multicast setup |
| 527 | */ |
| 528 | if(num_addrs && !(dev->flags & IFF_PROMISC) ) |
| 529 | { |
| 530 | mc_cmd = (struct mcsetup_cmd_struct *) ptr; |
| 531 | mc_cmd->cmd_status = 0; |
| 532 | mc_cmd->cmd_cmd = swab16(CMD_MCSETUP | CMD_LAST); |
| 533 | mc_cmd->cmd_link = 0xffff; |
| 534 | mc_cmd->mc_cnt = swab16(num_addrs * 6); |
| 535 | |
Jiri Pirko | 5508590 | 2010-02-18 00:42:54 +0000 | [diff] [blame] | 536 | i = 0; |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 537 | netdev_for_each_mc_addr(ha, dev) |
Jiri Pirko | 5508590 | 2010-02-18 00:42:54 +0000 | [diff] [blame] | 538 | memcpy((char *) mc_cmd->mc_list[i++], |
Jiri Pirko | 22bedad3 | 2010-04-01 21:22:57 +0000 | [diff] [blame] | 539 | ha->addr, ETH_ALEN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | |
| 541 | p->scb->cbl_offset = make16(mc_cmd); |
| 542 | p->scb->cmd_cuc = CUC_START; |
| 543 | sun3_attn586(); |
| 544 | |
| 545 | WAIT_4_STAT_COMPL(mc_cmd); |
| 546 | |
| 547 | if( (swab16(mc_cmd->cmd_status) & (STAT_COMPL|STAT_OK)) != (STAT_COMPL|STAT_OK) ) |
| 548 | printk("%s: Can't apply multicast-address-list.\n",dev->name); |
| 549 | } |
| 550 | |
| 551 | /* |
| 552 | * alloc nop/xmit-cmds |
| 553 | */ |
| 554 | #if (NUM_XMIT_BUFFS == 1) |
| 555 | for(i=0;i<2;i++) |
| 556 | { |
| 557 | p->nop_cmds[i] = (struct nop_cmd_struct *)ptr; |
| 558 | p->nop_cmds[i]->cmd_cmd = swab16(CMD_NOP); |
| 559 | p->nop_cmds[i]->cmd_status = 0; |
| 560 | p->nop_cmds[i]->cmd_link = make16((p->nop_cmds[i])); |
| 561 | ptr = (char *) ptr + sizeof(struct nop_cmd_struct); |
| 562 | } |
| 563 | #else |
| 564 | for(i=0;i<NUM_XMIT_BUFFS;i++) |
| 565 | { |
| 566 | p->nop_cmds[i] = (struct nop_cmd_struct *)ptr; |
| 567 | p->nop_cmds[i]->cmd_cmd = swab16(CMD_NOP); |
| 568 | p->nop_cmds[i]->cmd_status = 0; |
| 569 | p->nop_cmds[i]->cmd_link = make16((p->nop_cmds[i])); |
| 570 | ptr = (char *) ptr + sizeof(struct nop_cmd_struct); |
| 571 | } |
| 572 | #endif |
| 573 | |
Joe Perches | 6469933 | 2012-06-04 12:44:16 +0000 | [diff] [blame] | 574 | ptr = alloc_rfa(dev,ptr); /* init receive-frame-area */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 575 | |
| 576 | /* |
| 577 | * alloc xmit-buffs / init xmit_cmds |
| 578 | */ |
| 579 | for(i=0;i<NUM_XMIT_BUFFS;i++) |
| 580 | { |
| 581 | p->xmit_cmds[i] = (struct transmit_cmd_struct *)ptr; /*transmit cmd/buff 0*/ |
| 582 | ptr = (char *) ptr + sizeof(struct transmit_cmd_struct); |
| 583 | p->xmit_cbuffs[i] = (char *)ptr; /* char-buffs */ |
| 584 | ptr = (char *) ptr + XMIT_BUFF_SIZE; |
| 585 | p->xmit_buffs[i] = (struct tbd_struct *)ptr; /* TBD */ |
| 586 | ptr = (char *) ptr + sizeof(struct tbd_struct); |
Joe Perches | 6469933 | 2012-06-04 12:44:16 +0000 | [diff] [blame] | 587 | if(ptr > (void *)dev->mem_end) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 588 | { |
| 589 | printk("%s: not enough shared-mem for your configuration!\n",dev->name); |
| 590 | return 1; |
| 591 | } |
| 592 | memset((char *)(p->xmit_cmds[i]) ,0, sizeof(struct transmit_cmd_struct)); |
| 593 | memset((char *)(p->xmit_buffs[i]),0, sizeof(struct tbd_struct)); |
| 594 | p->xmit_cmds[i]->cmd_link = make16(p->nop_cmds[(i+1)%NUM_XMIT_BUFFS]); |
| 595 | p->xmit_cmds[i]->cmd_status = swab16(STAT_COMPL); |
| 596 | p->xmit_cmds[i]->cmd_cmd = swab16(CMD_XMIT | CMD_INT); |
| 597 | p->xmit_cmds[i]->tbd_offset = make16((p->xmit_buffs[i])); |
| 598 | p->xmit_buffs[i]->next = 0xffff; |
| 599 | p->xmit_buffs[i]->buffer = make24((p->xmit_cbuffs[i])); |
| 600 | } |
| 601 | |
| 602 | p->xmit_count = 0; |
| 603 | p->xmit_last = 0; |
| 604 | #ifndef NO_NOPCOMMANDS |
| 605 | p->nop_point = 0; |
| 606 | #endif |
| 607 | |
| 608 | /* |
| 609 | * 'start transmitter' |
| 610 | */ |
| 611 | #ifndef NO_NOPCOMMANDS |
| 612 | p->scb->cbl_offset = make16(p->nop_cmds[0]); |
| 613 | p->scb->cmd_cuc = CUC_START; |
| 614 | sun3_attn586(); |
| 615 | WAIT_4_SCB_CMD(); |
| 616 | #else |
| 617 | p->xmit_cmds[0]->cmd_link = make16(p->xmit_cmds[0]); |
| 618 | p->xmit_cmds[0]->cmd_cmd = swab16(CMD_XMIT | CMD_SUSPEND | CMD_INT); |
| 619 | #endif |
| 620 | |
| 621 | /* |
| 622 | * ack. interrupts |
| 623 | */ |
| 624 | p->scb->cmd_cuc = p->scb->cus & STAT_MASK; |
| 625 | sun3_attn586(); |
| 626 | DELAY_16(); |
| 627 | |
| 628 | sun3_enaint(); |
| 629 | sun3_active(); |
| 630 | |
| 631 | return 0; |
| 632 | } |
| 633 | |
| 634 | /****************************************************** |
| 635 | * This is a helper routine for sun3_82586_rnr_int() and init586(). |
| 636 | * It sets up the Receive Frame Area (RFA). |
| 637 | */ |
| 638 | |
| 639 | static void *alloc_rfa(struct net_device *dev,void *ptr) |
| 640 | { |
| 641 | volatile struct rfd_struct *rfd = (struct rfd_struct *)ptr; |
| 642 | volatile struct rbd_struct *rbd; |
| 643 | int i; |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 644 | struct priv *p = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 645 | |
| 646 | memset((char *) rfd,0,sizeof(struct rfd_struct)*(p->num_recv_buffs+rfdadd)); |
| 647 | p->rfd_first = rfd; |
| 648 | |
| 649 | for(i = 0; i < (p->num_recv_buffs+rfdadd); i++) { |
| 650 | rfd[i].next = make16(rfd + (i+1) % (p->num_recv_buffs+rfdadd) ); |
| 651 | rfd[i].rbd_offset = 0xffff; |
| 652 | } |
| 653 | rfd[p->num_recv_buffs-1+rfdadd].last = RFD_SUSP; /* RU suspend */ |
| 654 | |
| 655 | ptr = (void *) (rfd + (p->num_recv_buffs + rfdadd) ); |
| 656 | |
| 657 | rbd = (struct rbd_struct *) ptr; |
| 658 | ptr = (void *) (rbd + p->num_recv_buffs); |
| 659 | |
| 660 | /* clr descriptors */ |
| 661 | memset((char *) rbd,0,sizeof(struct rbd_struct)*(p->num_recv_buffs)); |
| 662 | |
| 663 | for(i=0;i<p->num_recv_buffs;i++) |
| 664 | { |
| 665 | rbd[i].next = make16((rbd + (i+1) % p->num_recv_buffs)); |
| 666 | rbd[i].size = swab16(RECV_BUFF_SIZE); |
| 667 | rbd[i].buffer = make24(ptr); |
| 668 | ptr = (char *) ptr + RECV_BUFF_SIZE; |
| 669 | } |
| 670 | |
| 671 | p->rfd_top = p->rfd_first; |
| 672 | p->rfd_last = p->rfd_first + (p->num_recv_buffs - 1 + rfdadd); |
| 673 | |
| 674 | p->scb->rfa_offset = make16(p->rfd_first); |
| 675 | p->rfd_first->rbd_offset = make16(rbd); |
| 676 | |
| 677 | return ptr; |
| 678 | } |
| 679 | |
| 680 | |
| 681 | /************************************************** |
| 682 | * Interrupt Handler ... |
| 683 | */ |
| 684 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 685 | static irqreturn_t sun3_82586_interrupt(int irq,void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 686 | { |
| 687 | struct net_device *dev = dev_id; |
| 688 | unsigned short stat; |
| 689 | int cnt=0; |
| 690 | struct priv *p; |
| 691 | |
| 692 | if (!dev) { |
| 693 | printk ("sun3_82586-interrupt: irq %d for unknown device.\n",irq); |
| 694 | return IRQ_NONE; |
| 695 | } |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 696 | p = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | |
| 698 | if(debuglevel > 1) |
| 699 | printk("I"); |
| 700 | |
| 701 | WAIT_4_SCB_CMD(); /* wait for last command */ |
| 702 | |
| 703 | while((stat=p->scb->cus & STAT_MASK)) |
| 704 | { |
| 705 | p->scb->cmd_cuc = stat; |
| 706 | sun3_attn586(); |
| 707 | |
| 708 | if(stat & STAT_FR) /* received a frame */ |
| 709 | sun3_82586_rcv_int(dev); |
| 710 | |
| 711 | if(stat & STAT_RNR) /* RU went 'not ready' */ |
| 712 | { |
| 713 | printk("(R)"); |
| 714 | if(p->scb->rus & RU_SUSPEND) /* special case: RU_SUSPEND */ |
| 715 | { |
| 716 | WAIT_4_SCB_CMD(); |
| 717 | p->scb->cmd_ruc = RUC_RESUME; |
| 718 | sun3_attn586(); |
| 719 | WAIT_4_SCB_CMD_RUC(); |
| 720 | } |
| 721 | else |
| 722 | { |
| 723 | printk("%s: Receiver-Unit went 'NOT READY': %04x/%02x.\n",dev->name,(int) stat,(int) p->scb->rus); |
| 724 | sun3_82586_rnr_int(dev); |
| 725 | } |
| 726 | } |
| 727 | |
| 728 | if(stat & STAT_CX) /* command with I-bit set complete */ |
| 729 | sun3_82586_xmt_int(dev); |
| 730 | |
| 731 | #ifndef NO_NOPCOMMANDS |
| 732 | if(stat & STAT_CNA) /* CU went 'not ready' */ |
| 733 | { |
| 734 | if(netif_running(dev)) |
| 735 | printk("%s: oops! CU has left active state. stat: %04x/%02x.\n",dev->name,(int) stat,(int) p->scb->cus); |
| 736 | } |
| 737 | #endif |
| 738 | |
| 739 | if(debuglevel > 1) |
| 740 | printk("%d",cnt++); |
| 741 | |
| 742 | WAIT_4_SCB_CMD(); /* wait for ack. (sun3_82586_xmt_int can be faster than ack!!) */ |
| 743 | if(p->scb->cmd_cuc) /* timed out? */ |
| 744 | { |
| 745 | printk("%s: Acknowledge timed out.\n",dev->name); |
| 746 | sun3_disint(); |
| 747 | break; |
| 748 | } |
| 749 | } |
| 750 | |
| 751 | if(debuglevel > 1) |
| 752 | printk("i"); |
| 753 | return IRQ_HANDLED; |
| 754 | } |
| 755 | |
| 756 | /******************************************************* |
| 757 | * receive-interrupt |
| 758 | */ |
| 759 | |
| 760 | static void sun3_82586_rcv_int(struct net_device *dev) |
| 761 | { |
| 762 | int status,cnt=0; |
| 763 | unsigned short totlen; |
| 764 | struct sk_buff *skb; |
| 765 | struct rbd_struct *rbd; |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 766 | struct priv *p = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | |
| 768 | if(debuglevel > 0) |
| 769 | printk("R"); |
| 770 | |
| 771 | for(;(status = p->rfd_top->stat_high) & RFD_COMPL;) |
| 772 | { |
| 773 | rbd = (struct rbd_struct *) make32(p->rfd_top->rbd_offset); |
| 774 | |
| 775 | if(status & RFD_OK) /* frame received without error? */ |
| 776 | { |
| 777 | if( (totlen = swab16(rbd->status)) & RBD_LAST) /* the first and the last buffer? */ |
| 778 | { |
| 779 | totlen &= RBD_MASK; /* length of this frame */ |
| 780 | rbd->status = 0; |
Pradeep A Dalvi | c056b73 | 2012-02-05 02:50:38 +0000 | [diff] [blame] | 781 | skb = netdev_alloc_skb(dev, totlen + 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 782 | if(skb != NULL) |
| 783 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 784 | skb_reserve(skb,2); |
| 785 | skb_put(skb,totlen); |
David S. Miller | 8c7b7fa | 2007-07-10 22:08:12 -0700 | [diff] [blame] | 786 | skb_copy_to_linear_data(skb,(char *) p->base+swab32((unsigned long) rbd->buffer),totlen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 787 | skb->protocol=eth_type_trans(skb,dev); |
| 788 | netif_rx(skb); |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 789 | dev->stats.rx_packets++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 790 | } |
| 791 | else |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 792 | dev->stats.rx_dropped++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | } |
| 794 | else |
| 795 | { |
| 796 | int rstat; |
| 797 | /* free all RBD's until RBD_LAST is set */ |
| 798 | totlen = 0; |
| 799 | while(!((rstat=swab16(rbd->status)) & RBD_LAST)) |
| 800 | { |
| 801 | totlen += rstat & RBD_MASK; |
| 802 | if(!rstat) |
| 803 | { |
| 804 | printk("%s: Whoops .. no end mark in RBD list\n",dev->name); |
| 805 | break; |
| 806 | } |
| 807 | rbd->status = 0; |
| 808 | rbd = (struct rbd_struct *) make32(rbd->next); |
| 809 | } |
| 810 | totlen += rstat & RBD_MASK; |
| 811 | rbd->status = 0; |
| 812 | printk("%s: received oversized frame! length: %d\n",dev->name,totlen); |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 813 | dev->stats.rx_dropped++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 814 | } |
| 815 | } |
| 816 | else /* frame !(ok), only with 'save-bad-frames' */ |
| 817 | { |
| 818 | printk("%s: oops! rfd-error-status: %04x\n",dev->name,status); |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 819 | dev->stats.rx_errors++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 820 | } |
| 821 | p->rfd_top->stat_high = 0; |
| 822 | p->rfd_top->last = RFD_SUSP; /* maybe exchange by RFD_LAST */ |
| 823 | p->rfd_top->rbd_offset = 0xffff; |
| 824 | p->rfd_last->last = 0; /* delete RFD_SUSP */ |
| 825 | p->rfd_last = p->rfd_top; |
| 826 | p->rfd_top = (struct rfd_struct *) make32(p->rfd_top->next); /* step to next RFD */ |
| 827 | p->scb->rfa_offset = make16(p->rfd_top); |
| 828 | |
| 829 | if(debuglevel > 0) |
| 830 | printk("%d",cnt++); |
| 831 | } |
| 832 | |
| 833 | if(automatic_resume) |
| 834 | { |
| 835 | WAIT_4_SCB_CMD(); |
| 836 | p->scb->cmd_ruc = RUC_RESUME; |
| 837 | sun3_attn586(); |
| 838 | WAIT_4_SCB_CMD_RUC(); |
| 839 | } |
| 840 | |
| 841 | #ifdef WAIT_4_BUSY |
| 842 | { |
| 843 | int i; |
| 844 | for(i=0;i<1024;i++) |
| 845 | { |
| 846 | if(p->rfd_top->status) |
| 847 | break; |
| 848 | DELAY_16(); |
| 849 | if(i == 1023) |
| 850 | printk("%s: RU hasn't fetched next RFD (not busy/complete)\n",dev->name); |
| 851 | } |
| 852 | } |
| 853 | #endif |
| 854 | |
| 855 | #if 0 |
| 856 | if(!at_least_one) |
| 857 | { |
| 858 | int i; |
| 859 | volatile struct rfd_struct *rfds=p->rfd_top; |
| 860 | volatile struct rbd_struct *rbds; |
| 861 | printk("%s: received a FC intr. without having a frame: %04x %d\n",dev->name,status,old_at_least); |
| 862 | for(i=0;i< (p->num_recv_buffs+4);i++) |
| 863 | { |
| 864 | rbds = (struct rbd_struct *) make32(rfds->rbd_offset); |
| 865 | printk("%04x:%04x ",rfds->status,rbds->status); |
| 866 | rfds = (struct rfd_struct *) make32(rfds->next); |
| 867 | } |
| 868 | printk("\nerrs: %04x %04x stat: %04x\n",(int)p->scb->rsc_errs,(int)p->scb->ovrn_errs,(int)p->scb->status); |
| 869 | printk("\nerrs: %04x %04x rus: %02x, cus: %02x\n",(int)p->scb->rsc_errs,(int)p->scb->ovrn_errs,(int)p->scb->rus,(int)p->scb->cus); |
| 870 | } |
| 871 | old_at_least = at_least_one; |
| 872 | #endif |
| 873 | |
| 874 | if(debuglevel > 0) |
| 875 | printk("r"); |
| 876 | } |
| 877 | |
| 878 | /********************************************************** |
| 879 | * handle 'Receiver went not ready'. |
| 880 | */ |
| 881 | |
| 882 | static void sun3_82586_rnr_int(struct net_device *dev) |
| 883 | { |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 884 | struct priv *p = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 885 | |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 886 | dev->stats.rx_errors++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 887 | |
| 888 | WAIT_4_SCB_CMD(); /* wait for the last cmd, WAIT_4_FULLSTAT?? */ |
| 889 | p->scb->cmd_ruc = RUC_ABORT; /* usually the RU is in the 'no resource'-state .. abort it now. */ |
| 890 | sun3_attn586(); |
| 891 | WAIT_4_SCB_CMD_RUC(); /* wait for accept cmd. */ |
| 892 | |
| 893 | alloc_rfa(dev,(char *)p->rfd_first); |
| 894 | /* maybe add a check here, before restarting the RU */ |
| 895 | startrecv586(dev); /* restart RU */ |
| 896 | |
| 897 | printk("%s: Receive-Unit restarted. Status: %04x\n",dev->name,p->scb->rus); |
| 898 | |
| 899 | } |
| 900 | |
| 901 | /********************************************************** |
| 902 | * handle xmit - interrupt |
| 903 | */ |
| 904 | |
| 905 | static void sun3_82586_xmt_int(struct net_device *dev) |
| 906 | { |
| 907 | int status; |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 908 | struct priv *p = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 909 | |
| 910 | if(debuglevel > 0) |
| 911 | printk("X"); |
| 912 | |
| 913 | status = swab16(p->xmit_cmds[p->xmit_last]->cmd_status); |
| 914 | if(!(status & STAT_COMPL)) |
| 915 | printk("%s: strange .. xmit-int without a 'COMPLETE'\n",dev->name); |
| 916 | |
| 917 | if(status & STAT_OK) |
| 918 | { |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 919 | dev->stats.tx_packets++; |
| 920 | dev->stats.collisions += (status & TCMD_MAXCOLLMASK); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 921 | } |
| 922 | else |
| 923 | { |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 924 | dev->stats.tx_errors++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 925 | if(status & TCMD_LATECOLL) { |
| 926 | printk("%s: late collision detected.\n",dev->name); |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 927 | dev->stats.collisions++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 928 | } |
| 929 | else if(status & TCMD_NOCARRIER) { |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 930 | dev->stats.tx_carrier_errors++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 931 | printk("%s: no carrier detected.\n",dev->name); |
| 932 | } |
| 933 | else if(status & TCMD_LOSTCTS) |
| 934 | printk("%s: loss of CTS detected.\n",dev->name); |
| 935 | else if(status & TCMD_UNDERRUN) { |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 936 | dev->stats.tx_fifo_errors++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 937 | printk("%s: DMA underrun detected.\n",dev->name); |
| 938 | } |
| 939 | else if(status & TCMD_MAXCOLL) { |
| 940 | printk("%s: Max. collisions exceeded.\n",dev->name); |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 941 | dev->stats.collisions += 16; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 942 | } |
| 943 | } |
| 944 | |
| 945 | #if (NUM_XMIT_BUFFS > 1) |
| 946 | if( (++p->xmit_last) == NUM_XMIT_BUFFS) |
| 947 | p->xmit_last = 0; |
| 948 | #endif |
| 949 | netif_wake_queue(dev); |
| 950 | } |
| 951 | |
| 952 | /*********************************************************** |
| 953 | * (re)start the receiver |
| 954 | */ |
| 955 | |
| 956 | static void startrecv586(struct net_device *dev) |
| 957 | { |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 958 | struct priv *p = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | |
| 960 | WAIT_4_SCB_CMD(); |
| 961 | WAIT_4_SCB_CMD_RUC(); |
| 962 | p->scb->rfa_offset = make16(p->rfd_first); |
| 963 | p->scb->cmd_ruc = RUC_START; |
| 964 | sun3_attn586(); /* start cmd. */ |
| 965 | WAIT_4_SCB_CMD_RUC(); /* wait for accept cmd. (no timeout!!) */ |
| 966 | } |
| 967 | |
| 968 | static void sun3_82586_timeout(struct net_device *dev) |
| 969 | { |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 970 | struct priv *p = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 971 | #ifndef NO_NOPCOMMANDS |
| 972 | if(p->scb->cus & CU_ACTIVE) /* COMMAND-UNIT active? */ |
| 973 | { |
| 974 | netif_wake_queue(dev); |
| 975 | #ifdef DEBUG |
| 976 | printk("%s: strange ... timeout with CU active?!?\n",dev->name); |
| 977 | printk("%s: X0: %04x N0: %04x N1: %04x %d\n",dev->name,(int)swab16(p->xmit_cmds[0]->cmd_status),(int)swab16(p->nop_cmds[0]->cmd_status),(int)swab16(p->nop_cmds[1]->cmd_status),(int)p->nop_point); |
| 978 | #endif |
| 979 | p->scb->cmd_cuc = CUC_ABORT; |
| 980 | sun3_attn586(); |
| 981 | WAIT_4_SCB_CMD(); |
| 982 | p->scb->cbl_offset = make16(p->nop_cmds[p->nop_point]); |
| 983 | p->scb->cmd_cuc = CUC_START; |
| 984 | sun3_attn586(); |
| 985 | WAIT_4_SCB_CMD(); |
Eric Dumazet | 1ae5dc3 | 2010-05-10 05:01:31 -0700 | [diff] [blame] | 986 | dev->trans_start = jiffies; /* prevent tx timeout */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 987 | return 0; |
| 988 | } |
| 989 | #endif |
| 990 | { |
| 991 | #ifdef DEBUG |
| 992 | printk("%s: xmitter timed out, try to restart! stat: %02x\n",dev->name,p->scb->cus); |
| 993 | printk("%s: command-stats: %04x %04x\n",dev->name,swab16(p->xmit_cmds[0]->cmd_status),swab16(p->xmit_cmds[1]->cmd_status)); |
| 994 | printk("%s: check, whether you set the right interrupt number!\n",dev->name); |
| 995 | #endif |
| 996 | sun3_82586_close(dev); |
| 997 | sun3_82586_open(dev); |
| 998 | } |
Eric Dumazet | 1ae5dc3 | 2010-05-10 05:01:31 -0700 | [diff] [blame] | 999 | dev->trans_start = jiffies; /* prevent tx timeout */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1000 | } |
| 1001 | |
| 1002 | /****************************************************** |
| 1003 | * send frame |
| 1004 | */ |
| 1005 | |
| 1006 | static int sun3_82586_send_packet(struct sk_buff *skb, struct net_device *dev) |
| 1007 | { |
| 1008 | int len,i; |
| 1009 | #ifndef NO_NOPCOMMANDS |
| 1010 | int next_nop; |
| 1011 | #endif |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 1012 | struct priv *p = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1013 | |
| 1014 | if(skb->len > XMIT_BUFF_SIZE) |
| 1015 | { |
| 1016 | printk("%s: Sorry, max. framelength is %d bytes. The length of your frame is %d bytes.\n",dev->name,XMIT_BUFF_SIZE,skb->len); |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 1017 | return NETDEV_TX_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1018 | } |
| 1019 | |
| 1020 | netif_stop_queue(dev); |
| 1021 | |
| 1022 | #if(NUM_XMIT_BUFFS > 1) |
| 1023 | if(test_and_set_bit(0,(void *) &p->lock)) { |
| 1024 | printk("%s: Queue was locked\n",dev->name); |
Patrick McHardy | 5b54814 | 2009-06-12 06:22:29 +0000 | [diff] [blame] | 1025 | return NETDEV_TX_BUSY; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1026 | } |
| 1027 | else |
| 1028 | #endif |
| 1029 | { |
| 1030 | len = skb->len; |
| 1031 | if (len < ETH_ZLEN) { |
Geert Uytterhoeven | cfa08bb | 2007-05-01 22:33:05 +0200 | [diff] [blame] | 1032 | memset((void *)p->xmit_cbuffs[p->xmit_count], 0, |
| 1033 | ETH_ZLEN); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1034 | len = ETH_ZLEN; |
| 1035 | } |
Geert Uytterhoeven | cfa08bb | 2007-05-01 22:33:05 +0200 | [diff] [blame] | 1036 | skb_copy_from_linear_data(skb, (void *)p->xmit_cbuffs[p->xmit_count], skb->len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1037 | |
| 1038 | #if (NUM_XMIT_BUFFS == 1) |
| 1039 | # ifdef NO_NOPCOMMANDS |
| 1040 | |
| 1041 | #ifdef DEBUG |
| 1042 | if(p->scb->cus & CU_ACTIVE) |
| 1043 | { |
| 1044 | printk("%s: Hmmm .. CU is still running and we wanna send a new packet.\n",dev->name); |
| 1045 | printk("%s: stat: %04x %04x\n",dev->name,p->scb->cus,swab16(p->xmit_cmds[0]->cmd_status)); |
| 1046 | } |
| 1047 | #endif |
| 1048 | |
| 1049 | p->xmit_buffs[0]->size = swab16(TBD_LAST | len); |
| 1050 | for(i=0;i<16;i++) |
| 1051 | { |
| 1052 | p->xmit_cmds[0]->cmd_status = 0; |
| 1053 | WAIT_4_SCB_CMD(); |
| 1054 | if( (p->scb->cus & CU_STATUS) == CU_SUSPEND) |
| 1055 | p->scb->cmd_cuc = CUC_RESUME; |
| 1056 | else |
| 1057 | { |
| 1058 | p->scb->cbl_offset = make16(p->xmit_cmds[0]); |
| 1059 | p->scb->cmd_cuc = CUC_START; |
| 1060 | } |
| 1061 | |
| 1062 | sun3_attn586(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1063 | if(!i) |
| 1064 | dev_kfree_skb(skb); |
| 1065 | WAIT_4_SCB_CMD(); |
| 1066 | if( (p->scb->cus & CU_ACTIVE)) /* test it, because CU sometimes doesn't start immediately */ |
| 1067 | break; |
| 1068 | if(p->xmit_cmds[0]->cmd_status) |
| 1069 | break; |
| 1070 | if(i==15) |
| 1071 | printk("%s: Can't start transmit-command.\n",dev->name); |
| 1072 | } |
| 1073 | # else |
| 1074 | next_nop = (p->nop_point + 1) & 0x1; |
| 1075 | p->xmit_buffs[0]->size = swab16(TBD_LAST | len); |
| 1076 | |
| 1077 | p->xmit_cmds[0]->cmd_link = p->nop_cmds[next_nop]->cmd_link |
| 1078 | = make16((p->nop_cmds[next_nop])); |
| 1079 | p->xmit_cmds[0]->cmd_status = p->nop_cmds[next_nop]->cmd_status = 0; |
| 1080 | |
| 1081 | p->nop_cmds[p->nop_point]->cmd_link = make16((p->xmit_cmds[0])); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1082 | p->nop_point = next_nop; |
| 1083 | dev_kfree_skb(skb); |
| 1084 | # endif |
| 1085 | #else |
| 1086 | p->xmit_buffs[p->xmit_count]->size = swab16(TBD_LAST | len); |
| 1087 | if( (next_nop = p->xmit_count + 1) == NUM_XMIT_BUFFS ) |
| 1088 | next_nop = 0; |
| 1089 | |
| 1090 | p->xmit_cmds[p->xmit_count]->cmd_status = 0; |
| 1091 | /* linkpointer of xmit-command already points to next nop cmd */ |
| 1092 | p->nop_cmds[next_nop]->cmd_link = make16((p->nop_cmds[next_nop])); |
| 1093 | p->nop_cmds[next_nop]->cmd_status = 0; |
| 1094 | |
| 1095 | p->nop_cmds[p->xmit_count]->cmd_link = make16((p->xmit_cmds[p->xmit_count])); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1096 | p->xmit_count = next_nop; |
| 1097 | |
| 1098 | { |
| 1099 | unsigned long flags; |
| 1100 | local_irq_save(flags); |
| 1101 | if(p->xmit_count != p->xmit_last) |
| 1102 | netif_wake_queue(dev); |
| 1103 | p->lock = 0; |
| 1104 | local_irq_restore(flags); |
| 1105 | } |
| 1106 | dev_kfree_skb(skb); |
| 1107 | #endif |
| 1108 | } |
Patrick McHardy | 6ed1065 | 2009-06-23 06:03:08 +0000 | [diff] [blame] | 1109 | return NETDEV_TX_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1110 | } |
| 1111 | |
| 1112 | /******************************************* |
| 1113 | * Someone wanna have the statistics |
| 1114 | */ |
| 1115 | |
| 1116 | static struct net_device_stats *sun3_82586_get_stats(struct net_device *dev) |
| 1117 | { |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 1118 | struct priv *p = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1119 | unsigned short crc,aln,rsc,ovrn; |
| 1120 | |
| 1121 | crc = swab16(p->scb->crc_errs); /* get error-statistic from the ni82586 */ |
| 1122 | p->scb->crc_errs = 0; |
| 1123 | aln = swab16(p->scb->aln_errs); |
| 1124 | p->scb->aln_errs = 0; |
| 1125 | rsc = swab16(p->scb->rsc_errs); |
| 1126 | p->scb->rsc_errs = 0; |
| 1127 | ovrn = swab16(p->scb->ovrn_errs); |
| 1128 | p->scb->ovrn_errs = 0; |
| 1129 | |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 1130 | dev->stats.rx_crc_errors += crc; |
| 1131 | dev->stats.rx_fifo_errors += ovrn; |
| 1132 | dev->stats.rx_frame_errors += aln; |
| 1133 | dev->stats.rx_dropped += rsc; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1134 | |
Kulikov Vasiliy | 4e92272 | 2010-07-05 02:13:10 +0000 | [diff] [blame] | 1135 | return &dev->stats; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1136 | } |
| 1137 | |
| 1138 | /******************************************************** |
| 1139 | * Set MC list .. |
| 1140 | */ |
| 1141 | |
| 1142 | static void set_multicast_list(struct net_device *dev) |
| 1143 | { |
| 1144 | netif_stop_queue(dev); |
| 1145 | sun3_disint(); |
| 1146 | alloc586(dev); |
| 1147 | init586(dev); |
| 1148 | startrecv586(dev); |
| 1149 | sun3_enaint(); |
| 1150 | netif_wake_queue(dev); |
| 1151 | } |
| 1152 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1153 | #if 0 |
| 1154 | /* |
| 1155 | * DUMP .. we expect a not running CMD unit and enough space |
| 1156 | */ |
| 1157 | void sun3_82586_dump(struct net_device *dev,void *ptr) |
| 1158 | { |
Wang Chen | 8f15ea4 | 2008-11-12 23:38:36 -0800 | [diff] [blame] | 1159 | struct priv *p = netdev_priv(dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1160 | struct dump_cmd_struct *dump_cmd = (struct dump_cmd_struct *) ptr; |
| 1161 | int i; |
| 1162 | |
| 1163 | p->scb->cmd_cuc = CUC_ABORT; |
| 1164 | sun3_attn586(); |
| 1165 | WAIT_4_SCB_CMD(); |
| 1166 | WAIT_4_SCB_CMD_RUC(); |
| 1167 | |
| 1168 | dump_cmd->cmd_status = 0; |
| 1169 | dump_cmd->cmd_cmd = CMD_DUMP | CMD_LAST; |
| 1170 | dump_cmd->dump_offset = make16((dump_cmd + 1)); |
| 1171 | dump_cmd->cmd_link = 0xffff; |
| 1172 | |
| 1173 | p->scb->cbl_offset = make16(dump_cmd); |
| 1174 | p->scb->cmd_cuc = CUC_START; |
| 1175 | sun3_attn586(); |
| 1176 | WAIT_4_STAT_COMPL(dump_cmd); |
| 1177 | |
| 1178 | if( (dump_cmd->cmd_status & (STAT_COMPL|STAT_OK)) != (STAT_COMPL|STAT_OK) ) |
| 1179 | printk("%s: Can't get dump information.\n",dev->name); |
| 1180 | |
| 1181 | for(i=0;i<170;i++) { |
| 1182 | printk("%02x ",(int) ((unsigned char *) (dump_cmd + 1))[i]); |
| 1183 | if(i % 24 == 23) |
| 1184 | printk("\n"); |
| 1185 | } |
| 1186 | printk("\n"); |
| 1187 | } |
| 1188 | #endif |