1/* 2 * smctr.c: A network driver for the SMC Token Ring Adapters. 3 * 4 * Written by Jay Schulist <jschlst@samba.org> 5 * 6 * This software may be used and distributed according to the terms 7 * of the GNU General Public License, incorporated herein by reference. 8 * 9 * This device driver works with the following SMC adapters: 10 * - SMC TokenCard Elite (8115T, chips 825/584) 11 * - SMC TokenCard Elite/A MCA (8115T/A, chips 825/594) 12 * 13 * Source(s): 14 * - SMC TokenCard SDK. 15 * 16 * Maintainer(s): 17 * JS Jay Schulist <jschlst@samba.org> 18 * 19 * Changes: 20 * 07102000 JS Fixed a timing problem in smctr_wait_cmd(); 21 * Also added a bit more discriptive error msgs. 22 * 07122000 JS Fixed problem with detecting a card with 23 * module io/irq/mem specified. 24 * 25 * To do: 26 * 1. Multicast support. 27 * 28 * Initial 2.5 cleanup Alan Cox <alan@redhat.com> 2002/10/28 29 */ 30 31#include <linux/module.h> 32#include <linux/kernel.h> 33#include <linux/types.h> 34#include <linux/fcntl.h> 35#include <linux/interrupt.h> 36#include <linux/ptrace.h> 37#include <linux/ioport.h> 38#include <linux/in.h> 39#include <linux/slab.h> 40#include <linux/string.h> 41#include <linux/time.h> 42#include <linux/errno.h> 43#include <linux/init.h> 44#include <linux/mca-legacy.h> 45#include <linux/delay.h> 46#include <linux/netdevice.h> 47#include <linux/etherdevice.h> 48#include <linux/skbuff.h> 49#include <linux/trdevice.h> 50#include <linux/bitops.h> 51 52#include <asm/system.h> 53#include <asm/io.h> 54#include <asm/dma.h> 55#include <asm/irq.h> 56 57#if BITS_PER_LONG == 64 58#error FIXME: driver does not support 64-bit platforms 59#endif 60 61#include "smctr.h" /* Our Stuff */ 62#include "smctr_firmware.h" /* SMC adapter firmware */ 63 64static char version[] __initdata = KERN_INFO "smctr.c: v1.4 7/12/00 by jschlst@samba.org\n"; 65static const char cardname[] = "smctr"; 66 67 68#define SMCTR_IO_EXTENT 20 69 70#ifdef CONFIG_MCA_LEGACY 71static unsigned int smctr_posid = 0x6ec6; 72#endif 73 74static int ringspeed; 75 76/* SMC Name of the Adapter. */ 77static char smctr_name[] = "SMC TokenCard"; 78static char *smctr_model = "Unknown"; 79 80/* Use 0 for production, 1 for verification, 2 for debug, and 81 * 3 for very verbose debug. 82 */ 83#ifndef SMCTR_DEBUG 84#define SMCTR_DEBUG 1 85#endif 86static unsigned int smctr_debug = SMCTR_DEBUG; 87 88/* smctr.c prototypes and functions are arranged alphabeticly 89 * for clearity, maintainability and pure old fashion fun. 90 */ 91/* A */ 92static int smctr_alloc_shared_memory(struct net_device *dev); 93 94/* B */ 95static int smctr_bypass_state(struct net_device *dev); 96 97/* C */ 98static int smctr_checksum_firmware(struct net_device *dev); 99static int __init smctr_chk_isa(struct net_device *dev); 100static int smctr_chg_rx_mask(struct net_device *dev); 101static int smctr_clear_int(struct net_device *dev); 102static int smctr_clear_trc_reset(int ioaddr); 103static int smctr_close(struct net_device *dev); 104 105/* D */ 106static int smctr_decode_firmware(struct net_device *dev); 107static int smctr_disable_16bit(struct net_device *dev); 108static int smctr_disable_adapter_ctrl_store(struct net_device *dev); 109static int smctr_disable_bic_int(struct net_device *dev); 110 111/* E */ 112static int smctr_enable_16bit(struct net_device *dev); 113static int smctr_enable_adapter_ctrl_store(struct net_device *dev); 114static int smctr_enable_adapter_ram(struct net_device *dev); 115static int smctr_enable_bic_int(struct net_device *dev); 116 117/* G */ 118static int __init smctr_get_boardid(struct net_device *dev, int mca); 119static int smctr_get_group_address(struct net_device *dev); 120static int smctr_get_functional_address(struct net_device *dev); 121static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev); 122static int smctr_get_physical_drop_number(struct net_device *dev); 123static __u8 *smctr_get_rx_pointer(struct net_device *dev, short queue); 124static int smctr_get_station_id(struct net_device *dev); 125static struct net_device_stats *smctr_get_stats(struct net_device *dev); 126static FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue, 127 __u16 bytes_count); 128static int smctr_get_upstream_neighbor_addr(struct net_device *dev); 129 130/* H */ 131static int smctr_hardware_send_packet(struct net_device *dev, 132 struct net_local *tp); 133/* I */ 134static int smctr_init_acbs(struct net_device *dev); 135static int smctr_init_adapter(struct net_device *dev); 136static int smctr_init_card_real(struct net_device *dev); 137static int smctr_init_rx_bdbs(struct net_device *dev); 138static int smctr_init_rx_fcbs(struct net_device *dev); 139static int smctr_init_shared_memory(struct net_device *dev); 140static int smctr_init_tx_bdbs(struct net_device *dev); 141static int smctr_init_tx_fcbs(struct net_device *dev); 142static int smctr_internal_self_test(struct net_device *dev); 143static irqreturn_t smctr_interrupt(int irq, void *dev_id); 144static int smctr_issue_enable_int_cmd(struct net_device *dev, 145 __u16 interrupt_enable_mask); 146static int smctr_issue_int_ack(struct net_device *dev, __u16 iack_code, 147 __u16 ibits); 148static int smctr_issue_init_timers_cmd(struct net_device *dev); 149static int smctr_issue_init_txrx_cmd(struct net_device *dev); 150static int smctr_issue_insert_cmd(struct net_device *dev); 151static int smctr_issue_read_ring_status_cmd(struct net_device *dev); 152static int smctr_issue_read_word_cmd(struct net_device *dev, __u16 aword_cnt); 153static int smctr_issue_remove_cmd(struct net_device *dev); 154static int smctr_issue_resume_acb_cmd(struct net_device *dev); 155static int smctr_issue_resume_rx_bdb_cmd(struct net_device *dev, __u16 queue); 156static int smctr_issue_resume_rx_fcb_cmd(struct net_device *dev, __u16 queue); 157static int smctr_issue_resume_tx_fcb_cmd(struct net_device *dev, __u16 queue); 158static int smctr_issue_test_internal_rom_cmd(struct net_device *dev); 159static int smctr_issue_test_hic_cmd(struct net_device *dev); 160static int smctr_issue_test_mac_reg_cmd(struct net_device *dev); 161static int smctr_issue_trc_loopback_cmd(struct net_device *dev); 162static int smctr_issue_tri_loopback_cmd(struct net_device *dev); 163static int smctr_issue_write_byte_cmd(struct net_device *dev, 164 short aword_cnt, void *byte); 165static int smctr_issue_write_word_cmd(struct net_device *dev, 166 short aword_cnt, void *word); 167 168/* J */ 169static int smctr_join_complete_state(struct net_device *dev); 170 171/* L */ 172static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev); 173static int smctr_load_firmware(struct net_device *dev); 174static int smctr_load_node_addr(struct net_device *dev); 175static int smctr_lobe_media_test(struct net_device *dev); 176static int smctr_lobe_media_test_cmd(struct net_device *dev); 177static int smctr_lobe_media_test_state(struct net_device *dev); 178 179/* M */ 180static int smctr_make_8025_hdr(struct net_device *dev, 181 MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc); 182static int smctr_make_access_pri(struct net_device *dev, 183 MAC_SUB_VECTOR *tsv); 184static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv); 185static int smctr_make_auth_funct_class(struct net_device *dev, 186 MAC_SUB_VECTOR *tsv); 187static int smctr_make_corr(struct net_device *dev, 188 MAC_SUB_VECTOR *tsv, __u16 correlator); 189static int smctr_make_funct_addr(struct net_device *dev, 190 MAC_SUB_VECTOR *tsv); 191static int smctr_make_group_addr(struct net_device *dev, 192 MAC_SUB_VECTOR *tsv); 193static int smctr_make_phy_drop_num(struct net_device *dev, 194 MAC_SUB_VECTOR *tsv); 195static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv); 196static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv); 197static int smctr_make_ring_station_status(struct net_device *dev, 198 MAC_SUB_VECTOR *tsv); 199static int smctr_make_ring_station_version(struct net_device *dev, 200 MAC_SUB_VECTOR *tsv); 201static int smctr_make_tx_status_code(struct net_device *dev, 202 MAC_SUB_VECTOR *tsv, __u16 tx_fstatus); 203static int smctr_make_upstream_neighbor_addr(struct net_device *dev, 204 MAC_SUB_VECTOR *tsv); 205static int smctr_make_wrap_data(struct net_device *dev, 206 MAC_SUB_VECTOR *tsv); 207 208/* O */ 209static int smctr_open(struct net_device *dev); 210static int smctr_open_tr(struct net_device *dev); 211 212/* P */ 213struct net_device *smctr_probe(int unit); 214static int __init smctr_probe1(struct net_device *dev, int ioaddr); 215static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size, 216 struct net_device *dev, __u16 rx_status); 217 218/* R */ 219static int smctr_ram_memory_test(struct net_device *dev); 220static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf, 221 __u16 *correlator); 222static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf, 223 __u16 *correlator); 224static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf); 225static int smctr_rcv_rq_addr_state_attch(struct net_device *dev, 226 MAC_HEADER *rmf, __u16 *correlator); 227static int smctr_rcv_unknown(struct net_device *dev, MAC_HEADER *rmf, 228 __u16 *correlator); 229static int smctr_reset_adapter(struct net_device *dev); 230static int smctr_restart_tx_chain(struct net_device *dev, short queue); 231static int smctr_ring_status_chg(struct net_device *dev); 232static int smctr_rx_frame(struct net_device *dev); 233 234/* S */ 235static int smctr_send_dat(struct net_device *dev); 236static int smctr_send_packet(struct sk_buff *skb, struct net_device *dev); 237static int smctr_send_lobe_media_test(struct net_device *dev); 238static int smctr_send_rpt_addr(struct net_device *dev, MAC_HEADER *rmf, 239 __u16 correlator); 240static int smctr_send_rpt_attch(struct net_device *dev, MAC_HEADER *rmf, 241 __u16 correlator); 242static int smctr_send_rpt_state(struct net_device *dev, MAC_HEADER *rmf, 243 __u16 correlator); 244static int smctr_send_rpt_tx_forward(struct net_device *dev, 245 MAC_HEADER *rmf, __u16 tx_fstatus); 246static int smctr_send_rsp(struct net_device *dev, MAC_HEADER *rmf, 247 __u16 rcode, __u16 correlator); 248static int smctr_send_rq_init(struct net_device *dev); 249static int smctr_send_tx_forward(struct net_device *dev, MAC_HEADER *rmf, 250 __u16 *tx_fstatus); 251static int smctr_set_auth_access_pri(struct net_device *dev, 252 MAC_SUB_VECTOR *rsv); 253static int smctr_set_auth_funct_class(struct net_device *dev, 254 MAC_SUB_VECTOR *rsv); 255static int smctr_set_corr(struct net_device *dev, MAC_SUB_VECTOR *rsv, 256 __u16 *correlator); 257static int smctr_set_error_timer_value(struct net_device *dev, 258 MAC_SUB_VECTOR *rsv); 259static int smctr_set_frame_forward(struct net_device *dev, 260 MAC_SUB_VECTOR *rsv, __u8 dc_sc); 261static int smctr_set_local_ring_num(struct net_device *dev, 262 MAC_SUB_VECTOR *rsv); 263static unsigned short smctr_set_ctrl_attention(struct net_device *dev); 264static void smctr_set_multicast_list(struct net_device *dev); 265static int smctr_set_page(struct net_device *dev, __u8 *buf); 266static int smctr_set_phy_drop(struct net_device *dev, 267 MAC_SUB_VECTOR *rsv); 268static int smctr_set_ring_speed(struct net_device *dev); 269static int smctr_set_rx_look_ahead(struct net_device *dev); 270static int smctr_set_trc_reset(int ioaddr); 271static int smctr_setup_single_cmd(struct net_device *dev, 272 __u16 command, __u16 subcommand); 273static int smctr_setup_single_cmd_w_data(struct net_device *dev, 274 __u16 command, __u16 subcommand); 275static char *smctr_malloc(struct net_device *dev, __u16 size); 276static int smctr_status_chg(struct net_device *dev); 277 278/* T */ 279static void smctr_timeout(struct net_device *dev); 280static int smctr_trc_send_packet(struct net_device *dev, FCBlock *fcb, 281 __u16 queue); 282static __u16 smctr_tx_complete(struct net_device *dev, __u16 queue); 283static unsigned short smctr_tx_move_frame(struct net_device *dev, 284 struct sk_buff *skb, __u8 *pbuff, unsigned int bytes); 285 286/* U */ 287static int smctr_update_err_stats(struct net_device *dev); 288static int smctr_update_rx_chain(struct net_device *dev, __u16 queue); 289static int smctr_update_tx_chain(struct net_device *dev, FCBlock *fcb, 290 __u16 queue); 291 292/* W */ 293static int smctr_wait_cmd(struct net_device *dev); 294static int smctr_wait_while_cbusy(struct net_device *dev); 295 296#define TO_256_BYTE_BOUNDRY(X) (((X + 0xff) & 0xff00) - X) 297#define TO_PARAGRAPH_BOUNDRY(X) (((X + 0x0f) & 0xfff0) - X) 298#define PARAGRAPH_BOUNDRY(X) smctr_malloc(dev, TO_PARAGRAPH_BOUNDRY(X)) 299 300/* Allocate Adapter Shared Memory. 301 * IMPORTANT NOTE: Any changes to this function MUST be mirrored in the 302 * function "get_num_rx_bdbs" below!!! 303 * 304 * Order of memory allocation: 305 * 306 * 0. Initial System Configuration Block Pointer 307 * 1. System Configuration Block 308 * 2. System Control Block 309 * 3. Action Command Block 310 * 4. Interrupt Status Block 311 * 312 * 5. MAC TX FCB'S 313 * 6. NON-MAC TX FCB'S 314 * 7. MAC TX BDB'S 315 * 8. NON-MAC TX BDB'S 316 * 9. MAC RX FCB'S 317 * 10. NON-MAC RX FCB'S 318 * 11. MAC RX BDB'S 319 * 12. NON-MAC RX BDB'S 320 * 13. MAC TX Data Buffer( 1, 256 byte buffer) 321 * 14. MAC RX Data Buffer( 1, 256 byte buffer) 322 * 323 * 15. NON-MAC TX Data Buffer 324 * 16. NON-MAC RX Data Buffer 325 */ 326static int smctr_alloc_shared_memory(struct net_device *dev) 327{ 328 struct net_local *tp = netdev_priv(dev); 329 330 if(smctr_debug > 10) 331 printk(KERN_DEBUG "%s: smctr_alloc_shared_memory\n", dev->name); 332 333 /* Allocate initial System Control Block pointer. 334 * This pointer is located in the last page, last offset - 4. 335 */ 336 tp->iscpb_ptr = (ISCPBlock *)(tp->ram_access + ((__u32)64 * 0x400) 337 - (long)ISCP_BLOCK_SIZE); 338 339 /* Allocate System Control Blocks. */ 340 tp->scgb_ptr = (SCGBlock *)smctr_malloc(dev, sizeof(SCGBlock)); 341 PARAGRAPH_BOUNDRY(tp->sh_mem_used); 342 343 tp->sclb_ptr = (SCLBlock *)smctr_malloc(dev, sizeof(SCLBlock)); 344 PARAGRAPH_BOUNDRY(tp->sh_mem_used); 345 346 tp->acb_head = (ACBlock *)smctr_malloc(dev, 347 sizeof(ACBlock)*tp->num_acbs); 348 PARAGRAPH_BOUNDRY(tp->sh_mem_used); 349 350 tp->isb_ptr = (ISBlock *)smctr_malloc(dev, sizeof(ISBlock)); 351 PARAGRAPH_BOUNDRY(tp->sh_mem_used); 352 353 tp->misc_command_data = (__u16 *)smctr_malloc(dev, MISC_DATA_SIZE); 354 PARAGRAPH_BOUNDRY(tp->sh_mem_used); 355 356 /* Allocate transmit FCBs. */ 357 tp->tx_fcb_head[MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, 358 sizeof(FCBlock) * tp->num_tx_fcbs[MAC_QUEUE]); 359 360 tp->tx_fcb_head[NON_MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, 361 sizeof(FCBlock) * tp->num_tx_fcbs[NON_MAC_QUEUE]); 362 363 tp->tx_fcb_head[BUG_QUEUE] = (FCBlock *)smctr_malloc(dev, 364 sizeof(FCBlock) * tp->num_tx_fcbs[BUG_QUEUE]); 365 366 /* Allocate transmit BDBs. */ 367 tp->tx_bdb_head[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 368 sizeof(BDBlock) * tp->num_tx_bdbs[MAC_QUEUE]); 369 370 tp->tx_bdb_head[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 371 sizeof(BDBlock) * tp->num_tx_bdbs[NON_MAC_QUEUE]); 372 373 tp->tx_bdb_head[BUG_QUEUE] = (BDBlock *)smctr_malloc(dev, 374 sizeof(BDBlock) * tp->num_tx_bdbs[BUG_QUEUE]); 375 376 /* Allocate receive FCBs. */ 377 tp->rx_fcb_head[MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, 378 sizeof(FCBlock) * tp->num_rx_fcbs[MAC_QUEUE]); 379 380 tp->rx_fcb_head[NON_MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, 381 sizeof(FCBlock) * tp->num_rx_fcbs[NON_MAC_QUEUE]); 382 383 /* Allocate receive BDBs. */ 384 tp->rx_bdb_head[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 385 sizeof(BDBlock) * tp->num_rx_bdbs[MAC_QUEUE]); 386 387 tp->rx_bdb_end[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 0); 388 389 tp->rx_bdb_head[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 390 sizeof(BDBlock) * tp->num_rx_bdbs[NON_MAC_QUEUE]); 391 392 tp->rx_bdb_end[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 0); 393 394 /* Allocate MAC transmit buffers. 395 * MAC Tx Buffers doen't have to be on an ODD Boundry. 396 */ 397 tp->tx_buff_head[MAC_QUEUE] 398 = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[MAC_QUEUE]); 399 tp->tx_buff_curr[MAC_QUEUE] = tp->tx_buff_head[MAC_QUEUE]; 400 tp->tx_buff_end [MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); 401 402 /* Allocate BUG transmit buffers. */ 403 tp->tx_buff_head[BUG_QUEUE] 404 = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[BUG_QUEUE]); 405 tp->tx_buff_curr[BUG_QUEUE] = tp->tx_buff_head[BUG_QUEUE]; 406 tp->tx_buff_end[BUG_QUEUE] = (__u16 *)smctr_malloc(dev, 0); 407 408 /* Allocate MAC receive data buffers. 409 * MAC Rx buffer doesn't have to be on a 256 byte boundary. 410 */ 411 tp->rx_buff_head[MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 412 RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[MAC_QUEUE]); 413 tp->rx_buff_end[MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); 414 415 /* Allocate Non-MAC transmit buffers. 416 * ?? For maximum Netware performance, put Tx Buffers on 417 * ODD Boundry and then restore malloc to Even Boundrys. 418 */ 419 smctr_malloc(dev, 1L); 420 tp->tx_buff_head[NON_MAC_QUEUE] 421 = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[NON_MAC_QUEUE]); 422 tp->tx_buff_curr[NON_MAC_QUEUE] = tp->tx_buff_head[NON_MAC_QUEUE]; 423 tp->tx_buff_end [NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); 424 smctr_malloc(dev, 1L); 425 426 /* Allocate Non-MAC receive data buffers. 427 * To guarantee a minimum of 256 contigous memory to 428 * UM_Receive_Packet's lookahead pointer, before a page 429 * change or ring end is encountered, place each rx buffer on 430 * a 256 byte boundary. 431 */ 432 smctr_malloc(dev, TO_256_BYTE_BOUNDRY(tp->sh_mem_used)); 433 tp->rx_buff_head[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 434 RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[NON_MAC_QUEUE]); 435 tp->rx_buff_end[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); 436 437 return (0); 438} 439 440/* Enter Bypass state. */ 441static int smctr_bypass_state(struct net_device *dev) 442{ 443 int err; 444 445 if(smctr_debug > 10) 446 printk(KERN_DEBUG "%s: smctr_bypass_state\n", dev->name); 447 448 err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, JS_BYPASS_STATE); 449 450 return (err); 451} 452 453static int smctr_checksum_firmware(struct net_device *dev) 454{ 455 struct net_local *tp = netdev_priv(dev); 456 __u16 i, checksum = 0; 457 458 if(smctr_debug > 10) 459 printk(KERN_DEBUG "%s: smctr_checksum_firmware\n", dev->name); 460 461 smctr_enable_adapter_ctrl_store(dev); 462 463 for(i = 0; i < CS_RAM_SIZE; i += 2) 464 checksum += *((__u16 *)(tp->ram_access + i)); 465 466 tp->microcode_version = *(__u16 *)(tp->ram_access 467 + CS_RAM_VERSION_OFFSET); 468 tp->microcode_version >>= 8; 469 470 smctr_disable_adapter_ctrl_store(dev); 471 472 if(checksum) 473 return (checksum); 474 475 return (0); 476} 477 478static int __init smctr_chk_mca(struct net_device *dev) 479{ 480#ifdef CONFIG_MCA_LEGACY 481 struct net_local *tp = netdev_priv(dev); 482 int current_slot; 483 __u8 r1, r2, r3, r4, r5; 484 485 current_slot = mca_find_unused_adapter(smctr_posid, 0); 486 if(current_slot == MCA_NOTFOUND) 487 return (-ENODEV); 488 489 mca_set_adapter_name(current_slot, smctr_name); 490 mca_mark_as_used(current_slot); 491 tp->slot_num = current_slot; 492 493 r1 = mca_read_stored_pos(tp->slot_num, 2); 494 r2 = mca_read_stored_pos(tp->slot_num, 3); 495 496 if(tp->slot_num) 497 outb(CNFG_POS_CONTROL_REG, (__u8)((tp->slot_num - 1) | CNFG_SLOT_ENABLE_BIT)); 498 else 499 outb(CNFG_POS_CONTROL_REG, (__u8)((tp->slot_num) | CNFG_SLOT_ENABLE_BIT)); 500 501 r1 = inb(CNFG_POS_REG1); 502 r2 = inb(CNFG_POS_REG0); 503 504 tp->bic_type = BIC_594_CHIP; 505 506 /* IO */ 507 r2 = mca_read_stored_pos(tp->slot_num, 2); 508 r2 &= 0xF0; 509 dev->base_addr = ((__u16)r2 << 8) + (__u16)0x800; 510 request_region(dev->base_addr, SMCTR_IO_EXTENT, smctr_name); 511 512 /* IRQ */ 513 r5 = mca_read_stored_pos(tp->slot_num, 5); 514 r5 &= 0xC; 515 switch(r5) 516 { 517 case 0: 518 dev->irq = 3; 519 break; 520 521 case 0x4: 522 dev->irq = 4; 523 break; 524 525 case 0x8: 526 dev->irq = 10; 527 break; 528 529 default: 530 dev->irq = 15; 531 break; 532 } 533 if (request_irq(dev->irq, smctr_interrupt, IRQF_SHARED, smctr_name, dev)) { 534 release_region(dev->base_addr, SMCTR_IO_EXTENT); 535 return -ENODEV; 536 } 537 538 /* Get RAM base */ 539 r3 = mca_read_stored_pos(tp->slot_num, 3); 540 tp->ram_base = ((__u32)(r3 & 0x7) << 13) + 0x0C0000; 541 if (r3 & 0x8) 542 tp->ram_base += 0x010000; 543 if (r3 & 0x80) 544 tp->ram_base += 0xF00000; 545 546 /* Get Ram Size */ 547 r3 &= 0x30; 548 r3 >>= 4; 549 550 tp->ram_usable = (__u16)CNFG_SIZE_8KB << r3; 551 tp->ram_size = (__u16)CNFG_SIZE_64KB; 552 tp->board_id |= TOKEN_MEDIA; 553 554 r4 = mca_read_stored_pos(tp->slot_num, 4); 555 tp->rom_base = ((__u32)(r4 & 0x7) << 13) + 0x0C0000; 556 if (r4 & 0x8) 557 tp->rom_base += 0x010000; 558 559 /* Get ROM size. */ 560 r4 >>= 4; 561 switch (r4) { 562 case 0: 563 tp->rom_size = CNFG_SIZE_8KB; 564 break; 565 case 1: 566 tp->rom_size = CNFG_SIZE_16KB; 567 break; 568 case 2: 569 tp->rom_size = CNFG_SIZE_32KB; 570 break; 571 default: 572 tp->rom_size = ROM_DISABLE; 573 } 574 575 /* Get Media Type. */ 576 r5 = mca_read_stored_pos(tp->slot_num, 5); 577 r5 &= CNFG_MEDIA_TYPE_MASK; 578 switch(r5) 579 { 580 case (0): 581 tp->media_type = MEDIA_STP_4; 582 break; 583 584 case (1): 585 tp->media_type = MEDIA_STP_16; 586 break; 587 588 case (3): 589 tp->media_type = MEDIA_UTP_16; 590 break; 591 592 default: 593 tp->media_type = MEDIA_UTP_4; 594 break; 595 } 596 tp->media_menu = 14; 597 598 r2 = mca_read_stored_pos(tp->slot_num, 2); 599 if(!(r2 & 0x02)) 600 tp->mode_bits |= EARLY_TOKEN_REL; 601 602 /* Disable slot */ 603 outb(CNFG_POS_CONTROL_REG, 0); 604 605 tp->board_id = smctr_get_boardid(dev, 1); 606 switch(tp->board_id & 0xffff) 607 { 608 case WD8115TA: 609 smctr_model = "8115T/A"; 610 break; 611 612 case WD8115T: 613 if(tp->extra_info & CHIP_REV_MASK) 614 smctr_model = "8115T rev XE"; 615 else 616 smctr_model = "8115T rev XD"; 617 break; 618 619 default: 620 smctr_model = "Unknown"; 621 break; 622 } 623 624 return (0); 625#else 626 return (-1); 627#endif /* CONFIG_MCA_LEGACY */ 628} 629 630static int smctr_chg_rx_mask(struct net_device *dev) 631{ 632 struct net_local *tp = netdev_priv(dev); 633 int err = 0; 634 635 if(smctr_debug > 10) 636 printk(KERN_DEBUG "%s: smctr_chg_rx_mask\n", dev->name); 637 638 smctr_enable_16bit(dev); 639 smctr_set_page(dev, (__u8 *)tp->ram_access); 640 641 if(tp->mode_bits & LOOPING_MODE_MASK) 642 tp->config_word0 |= RX_OWN_BIT; 643 else 644 tp->config_word0 &= ~RX_OWN_BIT; 645 646 if(tp->receive_mask & PROMISCUOUS_MODE) 647 tp->config_word0 |= PROMISCUOUS_BIT; 648 else 649 tp->config_word0 &= ~PROMISCUOUS_BIT; 650 651 if(tp->receive_mask & ACCEPT_ERR_PACKETS) 652 tp->config_word0 |= SAVBAD_BIT; 653 else 654 tp->config_word0 &= ~SAVBAD_BIT; 655 656 if(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) 657 tp->config_word0 |= RXATMAC; 658 else 659 tp->config_word0 &= ~RXATMAC; 660 661 if(tp->receive_mask & ACCEPT_MULTI_PROM) 662 tp->config_word1 |= MULTICAST_ADDRESS_BIT; 663 else 664 tp->config_word1 &= ~MULTICAST_ADDRESS_BIT; 665 666 if(tp->receive_mask & ACCEPT_SOURCE_ROUTING_SPANNING) 667 tp->config_word1 |= SOURCE_ROUTING_SPANNING_BITS; 668 else 669 { 670 if(tp->receive_mask & ACCEPT_SOURCE_ROUTING) 671 tp->config_word1 |= SOURCE_ROUTING_EXPLORER_BIT; 672 else 673 tp->config_word1 &= ~SOURCE_ROUTING_SPANNING_BITS; 674 } 675 676 if((err = smctr_issue_write_word_cmd(dev, RW_CONFIG_REGISTER_0, 677 &tp->config_word0))) 678 { 679 return (err); 680 } 681 682 if((err = smctr_issue_write_word_cmd(dev, RW_CONFIG_REGISTER_1, 683 &tp->config_word1))) 684 { 685 return (err); 686 } 687 688 smctr_disable_16bit(dev); 689 690 return (0); 691} 692 693static int smctr_clear_int(struct net_device *dev) 694{ 695 struct net_local *tp = netdev_priv(dev); 696 697 outb((tp->trc_mask | CSR_CLRTINT), dev->base_addr + CSR); 698 699 return (0); 700} 701 702static int smctr_clear_trc_reset(int ioaddr) 703{ 704 __u8 r; 705 706 r = inb(ioaddr + MSR); 707 outb(~MSR_RST & r, ioaddr + MSR); 708 709 return (0); 710} 711 712/* 713 * The inverse routine to smctr_open(). 714 */ 715static int smctr_close(struct net_device *dev) 716{ 717 struct net_local *tp = netdev_priv(dev); 718 struct sk_buff *skb; 719 int err; 720 721 netif_stop_queue(dev); 722 723 tp->cleanup = 1; 724 725 /* Check to see if adapter is already in a closed state. */ 726 if(tp->status != OPEN) 727 return (0); 728 729 smctr_enable_16bit(dev); 730 smctr_set_page(dev, (__u8 *)tp->ram_access); 731 732 if((err = smctr_issue_remove_cmd(dev))) 733 { 734 smctr_disable_16bit(dev); 735 return (err); 736 } 737 738 for(;;) 739 { 740 skb = skb_dequeue(&tp->SendSkbQueue); 741 if(skb == NULL) 742 break; 743 tp->QueueSkb++; 744 dev_kfree_skb(skb); 745 } 746 747 748 return (0); 749} 750 751static int smctr_decode_firmware(struct net_device *dev) 752{ 753 struct net_local *tp = netdev_priv(dev); 754 short bit = 0x80, shift = 12; 755 DECODE_TREE_NODE *tree; 756 short branch, tsize; 757 __u16 buff = 0; 758 long weight; 759 __u8 *ucode; 760 __u16 *mem; 761 762 if(smctr_debug > 10) 763 printk(KERN_DEBUG "%s: smctr_decode_firmware\n", dev->name); 764 765 weight = *(long *)(tp->ptr_ucode + WEIGHT_OFFSET); 766 tsize = *(__u8 *)(tp->ptr_ucode + TREE_SIZE_OFFSET); 767 tree = (DECODE_TREE_NODE *)(tp->ptr_ucode + TREE_OFFSET); 768 ucode = (__u8 *)(tp->ptr_ucode + TREE_OFFSET 769 + (tsize * sizeof(DECODE_TREE_NODE))); 770 mem = (__u16 *)(tp->ram_access); 771 772 while(weight) 773 { 774 branch = ROOT; 775 while((tree + branch)->tag != LEAF && weight) 776 { 777 branch = *ucode & bit ? (tree + branch)->llink 778 : (tree + branch)->rlink; 779 780 bit >>= 1; 781 weight--; 782 783 if(bit == 0) 784 { 785 bit = 0x80; 786 ucode++; 787 } 788 } 789 790 buff |= (tree + branch)->info << shift; 791 shift -= 4; 792 793 if(shift < 0) 794 { 795 *(mem++) = SWAP_BYTES(buff); 796 buff = 0; 797 shift = 12; 798 } 799 } 800 801 /* The following assumes the Control Store Memory has 802 * been initialized to zero. If the last partial word 803 * is zero, it will not be written. 804 */ 805 if(buff) 806 *(mem++) = SWAP_BYTES(buff); 807 808 return (0); 809} 810 811static int smctr_disable_16bit(struct net_device *dev) 812{ 813 return (0); 814} 815 816/* 817 * On Exit, Adapter is: 818 * 1. TRC is in a reset state and un-initialized. 819 * 2. Adapter memory is enabled. 820 * 3. Control Store memory is out of context (-WCSS is 1). 821 */ 822static int smctr_disable_adapter_ctrl_store(struct net_device *dev) 823{ 824 struct net_local *tp = netdev_priv(dev); 825 int ioaddr = dev->base_addr; 826 827 if(smctr_debug > 10) 828 printk(KERN_DEBUG "%s: smctr_disable_adapter_ctrl_store\n", dev->name); 829 830 tp->trc_mask |= CSR_WCSS; 831 outb(tp->trc_mask, ioaddr + CSR); 832 833 return (0); 834} 835 836static int smctr_disable_bic_int(struct net_device *dev) 837{ 838 struct net_local *tp = netdev_priv(dev); 839 int ioaddr = dev->base_addr; 840 841 tp->trc_mask = CSR_MSK_ALL | CSR_MSKCBUSY 842 | CSR_MSKTINT | CSR_WCSS; 843 outb(tp->trc_mask, ioaddr + CSR); 844 845 return (0); 846} 847 848static int smctr_enable_16bit(struct net_device *dev) 849{ 850 struct net_local *tp = netdev_priv(dev); 851 __u8 r; 852 853 if(tp->adapter_bus == BUS_ISA16_TYPE) 854 { 855 r = inb(dev->base_addr + LAAR); 856 outb((r | LAAR_MEM16ENB), dev->base_addr + LAAR); 857 } 858 859 return (0); 860} 861 862/* 863 * To enable the adapter control store memory: 864 * 1. Adapter must be in a RESET state. 865 * 2. Adapter memory must be enabled. 866 * 3. Control Store Memory is in context (-WCSS is 0). 867 */ 868static int smctr_enable_adapter_ctrl_store(struct net_device *dev) 869{ 870 struct net_local *tp = netdev_priv(dev); 871 int ioaddr = dev->base_addr; 872 873 if(smctr_debug > 10) 874 printk(KERN_DEBUG "%s: smctr_enable_adapter_ctrl_store\n", dev->name); 875 876 smctr_set_trc_reset(ioaddr); 877 smctr_enable_adapter_ram(dev); 878 879 tp->trc_mask &= ~CSR_WCSS; 880 outb(tp->trc_mask, ioaddr + CSR); 881 882 return (0); 883} 884 885static int smctr_enable_adapter_ram(struct net_device *dev) 886{ 887 int ioaddr = dev->base_addr; 888 __u8 r; 889 890 if(smctr_debug > 10) 891 printk(KERN_DEBUG "%s: smctr_enable_adapter_ram\n", dev->name); 892 893 r = inb(ioaddr + MSR); 894 outb(MSR_MEMB | r, ioaddr + MSR); 895 896 return (0); 897} 898 899static int smctr_enable_bic_int(struct net_device *dev) 900{ 901 struct net_local *tp = netdev_priv(dev); 902 int ioaddr = dev->base_addr; 903 __u8 r; 904 905 switch(tp->bic_type) 906 { 907 case (BIC_584_CHIP): 908 tp->trc_mask = CSR_MSKCBUSY | CSR_WCSS; 909 outb(tp->trc_mask, ioaddr + CSR); 910 r = inb(ioaddr + IRR); 911 outb(r | IRR_IEN, ioaddr + IRR); 912 break; 913 914 case (BIC_594_CHIP): 915 tp->trc_mask = CSR_MSKCBUSY | CSR_WCSS; 916 outb(tp->trc_mask, ioaddr + CSR); 917 r = inb(ioaddr + IMCCR); 918 outb(r | IMCCR_EIL, ioaddr + IMCCR); 919 break; 920 } 921 922 return (0); 923} 924 925static int __init smctr_chk_isa(struct net_device *dev) 926{ 927 struct net_local *tp = netdev_priv(dev); 928 int ioaddr = dev->base_addr; 929 __u8 r1, r2, b, chksum = 0; 930 __u16 r; 931 int i; 932 int err = -ENODEV; 933 934 if(smctr_debug > 10) 935 printk(KERN_DEBUG "%s: smctr_chk_isa %#4x\n", dev->name, ioaddr); 936 937 if((ioaddr & 0x1F) != 0) 938 goto out; 939 940 /* Grab the region so that no one else tries to probe our ioports. */ 941 if (!request_region(ioaddr, SMCTR_IO_EXTENT, smctr_name)) { 942 err = -EBUSY; 943 goto out; 944 } 945 946 /* Checksum SMC node address */ 947 for(i = 0; i < 8; i++) 948 { 949 b = inb(ioaddr + LAR0 + i); 950 chksum += b; 951 } 952 953 if (chksum != NODE_ADDR_CKSUM) 954 goto out2; 955 956 b = inb(ioaddr + BDID); 957 if(b != BRD_ID_8115T) 958 { 959 printk(KERN_ERR "%s: The adapter found is not supported\n", dev->name); 960 goto out2; 961 } 962 963 /* Check for 8115T Board ID */ 964 r2 = 0; 965 for(r = 0; r < 8; r++) 966 { 967 r1 = inb(ioaddr + 0x8 + r); 968 r2 += r1; 969 } 970 971 /* value of RegF adds up the sum to 0xFF */ 972 if((r2 != 0xFF) && (r2 != 0xEE)) 973 goto out2; 974 975 /* Get adapter ID */ 976 tp->board_id = smctr_get_boardid(dev, 0); 977 switch(tp->board_id & 0xffff) 978 { 979 case WD8115TA: 980 smctr_model = "8115T/A"; 981 break; 982 983 case WD8115T: 984 if(tp->extra_info & CHIP_REV_MASK) 985 smctr_model = "8115T rev XE"; 986 else 987 smctr_model = "8115T rev XD"; 988 break; 989 990 default: 991 smctr_model = "Unknown"; 992 break; 993 } 994 995 /* Store BIC type. */ 996 tp->bic_type = BIC_584_CHIP; 997 tp->nic_type = NIC_825_CHIP; 998 999 /* Copy Ram Size */ 1000 tp->ram_usable = CNFG_SIZE_16KB; 1001 tp->ram_size = CNFG_SIZE_64KB; 1002 1003 /* Get 58x Ram Base */ 1004 r1 = inb(ioaddr); 1005 r1 &= 0x3F; 1006 1007 r2 = inb(ioaddr + CNFG_LAAR_584); 1008 r2 &= CNFG_LAAR_MASK; 1009 r2 <<= 3; 1010 r2 |= ((r1 & 0x38) >> 3); 1011 1012 tp->ram_base = ((__u32)r2 << 16) + (((__u32)(r1 & 0x7)) << 13); 1013 1014 /* Get 584 Irq */ 1015 r1 = 0; 1016 r1 = inb(ioaddr + CNFG_ICR_583); 1017 r1 &= CNFG_ICR_IR2_584; 1018 1019 r2 = inb(ioaddr + CNFG_IRR_583); 1020 r2 &= CNFG_IRR_IRQS; /* 0x60 */ 1021 r2 >>= 5; 1022 1023 switch(r2) 1024 { 1025 case 0: 1026 if(r1 == 0) 1027 dev->irq = 2; 1028 else 1029 dev->irq = 10; 1030 break; 1031 1032 case 1: 1033 if(r1 == 0) 1034 dev->irq = 3; 1035 else 1036 dev->irq = 11; 1037 break; 1038 1039 case 2: 1040 if(r1 == 0) 1041 { 1042 if(tp->extra_info & ALTERNATE_IRQ_BIT) 1043 dev->irq = 5; 1044 else 1045 dev->irq = 4; 1046 } 1047 else 1048 dev->irq = 15; 1049 break; 1050 1051 case 3: 1052 if(r1 == 0) 1053 dev->irq = 7; 1054 else 1055 dev->irq = 4; 1056 break; 1057 1058 default: 1059 printk(KERN_ERR "%s: No IRQ found aborting\n", dev->name); 1060 goto out2; 1061 } 1062 1063 if (request_irq(dev->irq, smctr_interrupt, IRQF_SHARED, smctr_name, dev)) 1064 goto out2; 1065 1066 /* Get 58x Rom Base */ 1067 r1 = inb(ioaddr + CNFG_BIO_583); 1068 r1 &= 0x3E; 1069 r1 |= 0x40; 1070 1071 tp->rom_base = (__u32)r1 << 13; 1072 1073 /* Get 58x Rom Size */ 1074 r1 = inb(ioaddr + CNFG_BIO_583); 1075 r1 &= 0xC0; 1076 if(r1 == 0) 1077 tp->rom_size = ROM_DISABLE; 1078 else 1079 { 1080 r1 >>= 6; 1081 tp->rom_size = (__u16)CNFG_SIZE_8KB << r1; 1082 } 1083 1084 /* Get 58x Boot Status */ 1085 r1 = inb(ioaddr + CNFG_GP2); 1086 1087 tp->mode_bits &= (~BOOT_STATUS_MASK); 1088 1089 if(r1 & CNFG_GP2_BOOT_NIBBLE) 1090 tp->mode_bits |= BOOT_TYPE_1; 1091 1092 /* Get 58x Zero Wait State */ 1093 tp->mode_bits &= (~ZERO_WAIT_STATE_MASK); 1094 1095 r1 = inb(ioaddr + CNFG_IRR_583); 1096 1097 if(r1 & CNFG_IRR_ZWS) 1098 tp->mode_bits |= ZERO_WAIT_STATE_8_BIT; 1099 1100 if(tp->board_id & BOARD_16BIT) 1101 { 1102 r1 = inb(ioaddr + CNFG_LAAR_584); 1103 1104 if(r1 & CNFG_LAAR_ZWS) 1105 tp->mode_bits |= ZERO_WAIT_STATE_16_BIT; 1106 } 1107 1108 /* Get 584 Media Menu */ 1109 tp->media_menu = 14; 1110 r1 = inb(ioaddr + CNFG_IRR_583); 1111 1112 tp->mode_bits &= 0xf8ff; /* (~CNFG_INTERFACE_TYPE_MASK) */ 1113 if((tp->board_id & TOKEN_MEDIA) == TOKEN_MEDIA) 1114 { 1115 /* Get Advanced Features */ 1116 if(((r1 & 0x6) >> 1) == 0x3) 1117 tp->media_type |= MEDIA_UTP_16; 1118 else 1119 { 1120 if(((r1 & 0x6) >> 1) == 0x2) 1121 tp->media_type |= MEDIA_STP_16; 1122 else 1123 { 1124 if(((r1 & 0x6) >> 1) == 0x1) 1125 tp->media_type |= MEDIA_UTP_4; 1126 1127 else 1128 tp->media_type |= MEDIA_STP_4; 1129 } 1130 } 1131 1132 r1 = inb(ioaddr + CNFG_GP2); 1133 if(!(r1 & 0x2) ) /* GP2_ETRD */ 1134 tp->mode_bits |= EARLY_TOKEN_REL; 1135 1136 /* see if the chip is corrupted 1137 if(smctr_read_584_chksum(ioaddr)) 1138 { 1139 printk(KERN_ERR "%s: EEPROM Checksum Failure\n", dev->name); 1140 free_irq(dev->irq, dev); 1141 goto out2; 1142 } 1143 */ 1144 } 1145 1146 return (0); 1147 1148out2: 1149 release_region(ioaddr, SMCTR_IO_EXTENT); 1150out: 1151 return err; 1152} 1153 1154static int __init smctr_get_boardid(struct net_device *dev, int mca) 1155{ 1156 struct net_local *tp = netdev_priv(dev); 1157 int ioaddr = dev->base_addr; 1158 __u8 r, r1, IdByte; 1159 __u16 BoardIdMask; 1160 1161 tp->board_id = BoardIdMask = 0; 1162 1163 if(mca) 1164 { 1165 BoardIdMask |= (MICROCHANNEL+INTERFACE_CHIP+TOKEN_MEDIA+PAGED_RAM+BOARD_16BIT); 1166 tp->extra_info |= (INTERFACE_594_CHIP+RAM_SIZE_64K+NIC_825_BIT+ALTERNATE_IRQ_BIT+SLOT_16BIT); 1167 } 1168 else 1169 { 1170 BoardIdMask|=(INTERFACE_CHIP+TOKEN_MEDIA+PAGED_RAM+BOARD_16BIT); 1171 tp->extra_info |= (INTERFACE_584_CHIP + RAM_SIZE_64K 1172 + NIC_825_BIT + ALTERNATE_IRQ_BIT); 1173 } 1174 1175 if(!mca) 1176 { 1177 r = inb(ioaddr + BID_REG_1); 1178 r &= 0x0c; 1179 outb(r, ioaddr + BID_REG_1); 1180 r = inb(ioaddr + BID_REG_1); 1181 1182 if(r & BID_SIXTEEN_BIT_BIT) 1183 { 1184 tp->extra_info |= SLOT_16BIT; 1185 tp->adapter_bus = BUS_ISA16_TYPE; 1186 } 1187 else 1188 tp->adapter_bus = BUS_ISA8_TYPE; 1189 } 1190 else 1191 tp->adapter_bus = BUS_MCA_TYPE; 1192 1193 /* Get Board Id Byte */ 1194 IdByte = inb(ioaddr + BID_BOARD_ID_BYTE); 1195 1196 /* if Major version > 1.0 then 1197 * return; 1198 */ 1199 if(IdByte & 0xF8) 1200 return (-1); 1201 1202 r1 = inb(ioaddr + BID_REG_1); 1203 r1 &= BID_ICR_MASK; 1204 r1 |= BID_OTHER_BIT; 1205 1206 outb(r1, ioaddr + BID_REG_1); 1207 r1 = inb(ioaddr + BID_REG_3); 1208 1209 r1 &= BID_EAR_MASK; 1210 r1 |= BID_ENGR_PAGE; 1211 1212 outb(r1, ioaddr + BID_REG_3); 1213 r1 = inb(ioaddr + BID_REG_1); 1214 r1 &= BID_ICR_MASK; 1215 r1 |= (BID_RLA | BID_OTHER_BIT); 1216 1217 outb(r1, ioaddr + BID_REG_1); 1218 1219 r1 = inb(ioaddr + BID_REG_1); 1220 while(r1 & BID_RECALL_DONE_MASK) 1221 r1 = inb(ioaddr + BID_REG_1); 1222 1223 r = inb(ioaddr + BID_LAR_0 + BID_REG_6); 1224 1225 /* clear chip rev bits */ 1226 tp->extra_info &= ~CHIP_REV_MASK; 1227 tp->extra_info |= ((r & BID_EEPROM_CHIP_REV_MASK) << 6); 1228 1229 r1 = inb(ioaddr + BID_REG_1); 1230 r1 &= BID_ICR_MASK; 1231 r1 |= BID_OTHER_BIT; 1232 1233 outb(r1, ioaddr + BID_REG_1); 1234 r1 = inb(ioaddr + BID_REG_3); 1235 1236 r1 &= BID_EAR_MASK; 1237 r1 |= BID_EA6; 1238 1239 outb(r1, ioaddr + BID_REG_3); 1240 r1 = inb(ioaddr + BID_REG_1); 1241 1242 r1 &= BID_ICR_MASK; 1243 r1 |= BID_RLA; 1244 1245 outb(r1, ioaddr + BID_REG_1); 1246 r1 = inb(ioaddr + BID_REG_1); 1247 1248 while(r1 & BID_RECALL_DONE_MASK) 1249 r1 = inb(ioaddr + BID_REG_1); 1250 1251 return (BoardIdMask); 1252} 1253 1254static int smctr_get_group_address(struct net_device *dev) 1255{ 1256 smctr_issue_read_word_cmd(dev, RW_INDIVIDUAL_GROUP_ADDR); 1257 1258 return(smctr_wait_cmd(dev)); 1259} 1260 1261static int smctr_get_functional_address(struct net_device *dev) 1262{ 1263 smctr_issue_read_word_cmd(dev, RW_FUNCTIONAL_ADDR); 1264 1265 return(smctr_wait_cmd(dev)); 1266} 1267 1268/* Calculate number of Non-MAC receive BDB's and data buffers. 1269 * This function must simulate allocateing shared memory exactly 1270 * as the allocate_shared_memory function above. 1271 */ 1272static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev) 1273{ 1274 struct net_local *tp = netdev_priv(dev); 1275 unsigned int mem_used = 0; 1276 1277 /* Allocate System Control Blocks. */ 1278 mem_used += sizeof(SCGBlock); 1279 1280 mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); 1281 mem_used += sizeof(SCLBlock); 1282 1283 mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); 1284 mem_used += sizeof(ACBlock) * tp->num_acbs; 1285 1286 mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); 1287 mem_used += sizeof(ISBlock); 1288 1289 mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); 1290 mem_used += MISC_DATA_SIZE; 1291 1292 /* Allocate transmit FCB's. */ 1293 mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); 1294 1295 mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[MAC_QUEUE]; 1296 mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[NON_MAC_QUEUE]; 1297 mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[BUG_QUEUE]; 1298 1299 /* Allocate transmit BDBs. */ 1300 mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[MAC_QUEUE]; 1301 mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[NON_MAC_QUEUE]; 1302 mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[BUG_QUEUE]; 1303 1304 /* Allocate receive FCBs. */ 1305 mem_used += sizeof(FCBlock) * tp->num_rx_fcbs[MAC_QUEUE]; 1306 mem_used += sizeof(FCBlock) * tp->num_rx_fcbs[NON_MAC_QUEUE]; 1307 1308 /* Allocate receive BDBs. */ 1309 mem_used += sizeof(BDBlock) * tp->num_rx_bdbs[MAC_QUEUE]; 1310 1311 /* Allocate MAC transmit buffers. 1312 * MAC transmit buffers don't have to be on an ODD Boundry. 1313 */ 1314 mem_used += tp->tx_buff_size[MAC_QUEUE]; 1315 1316 /* Allocate BUG transmit buffers. */ 1317 mem_used += tp->tx_buff_size[BUG_QUEUE]; 1318 1319 /* Allocate MAC receive data buffers. 1320 * MAC receive buffers don't have to be on a 256 byte boundary. 1321 */ 1322 mem_used += RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[MAC_QUEUE]; 1323 1324 /* Allocate Non-MAC transmit buffers. 1325 * For maximum Netware performance, put Tx Buffers on 1326 * ODD Boundry,and then restore malloc to Even Boundrys. 1327 */ 1328 mem_used += 1L; 1329 mem_used += tp->tx_buff_size[NON_MAC_QUEUE]; 1330 mem_used += 1L; 1331 1332 /* CALCULATE NUMBER OF NON-MAC RX BDB'S 1333 * AND NON-MAC RX DATA BUFFERS 1334 * 1335 * Make sure the mem_used offset at this point is the 1336 * same as in allocate_shared memory or the following 1337 * boundary adjustment will be incorrect (i.e. not allocating 1338 * the non-mac receive buffers above cannot change the 256 1339 * byte offset). 1340 * 1341 * Since this cannot be guaranteed, adding the full 256 bytes 1342 * to the amount of shared memory used at this point will guaranteed 1343 * that the rx data buffers do not overflow shared memory. 1344 */ 1345 mem_used += 0x100; 1346 1347 return((0xffff - mem_used) / (RX_DATA_BUFFER_SIZE + sizeof(BDBlock))); 1348} 1349 1350static int smctr_get_physical_drop_number(struct net_device *dev) 1351{ 1352 smctr_issue_read_word_cmd(dev, RW_PHYSICAL_DROP_NUMBER); 1353 1354 return(smctr_wait_cmd(dev)); 1355} 1356 1357static __u8 * smctr_get_rx_pointer(struct net_device *dev, short queue) 1358{ 1359 struct net_local *tp = netdev_priv(dev); 1360 BDBlock *bdb; 1361 1362 bdb = (BDBlock *)((__u32)tp->ram_access 1363 + (__u32)(tp->rx_fcb_curr[queue]->trc_bdb_ptr)); 1364 1365 tp->rx_fcb_curr[queue]->bdb_ptr = bdb; 1366 1367 return ((__u8 *)bdb->data_block_ptr); 1368} 1369 1370static int smctr_get_station_id(struct net_device *dev) 1371{ 1372 smctr_issue_read_word_cmd(dev, RW_INDIVIDUAL_MAC_ADDRESS); 1373 1374 return(smctr_wait_cmd(dev)); 1375} 1376 1377/* 1378 * Get the current statistics. This may be called with the card open 1379 * or closed. 1380 */ 1381static struct net_device_stats *smctr_get_stats(struct net_device *dev) 1382{ 1383 struct net_local *tp = netdev_priv(dev); 1384 1385 return ((struct net_device_stats *)&tp->MacStat); 1386} 1387 1388static FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue, 1389 __u16 bytes_count) 1390{ 1391 struct net_local *tp = netdev_priv(dev); 1392 FCBlock *pFCB; 1393 BDBlock *pbdb; 1394 unsigned short alloc_size; 1395 unsigned short *temp; 1396 1397 if(smctr_debug > 20) 1398 printk(KERN_DEBUG "smctr_get_tx_fcb\n"); 1399 1400 /* check if there is enough FCB blocks */ 1401 if(tp->num_tx_fcbs_used[queue] >= tp->num_tx_fcbs[queue]) 1402 return ((FCBlock *)(-1L)); 1403 1404 /* round off the input pkt size to the nearest even number */ 1405 alloc_size = (bytes_count + 1) & 0xfffe; 1406 1407 /* check if enough mem */ 1408 if((tp->tx_buff_used[queue] + alloc_size) > tp->tx_buff_size[queue]) 1409 return ((FCBlock *)(-1L)); 1410 1411 /* check if past the end ; 1412 * if exactly enough mem to end of ring, alloc from front. 1413 * this avoids update of curr when curr = end 1414 */ 1415 if(((unsigned long)(tp->tx_buff_curr[queue]) + alloc_size) 1416 >= (unsigned long)(tp->tx_buff_end[queue])) 1417 { 1418 /* check if enough memory from ring head */ 1419 alloc_size = alloc_size + 1420 (__u16)((__u32)tp->tx_buff_end[queue] 1421 - (__u32)tp->tx_buff_curr[queue]); 1422 1423 if((tp->tx_buff_used[queue] + alloc_size) 1424 > tp->tx_buff_size[queue]) 1425 { 1426 return ((FCBlock *)(-1L)); 1427 } 1428 1429 /* ring wrap */ 1430 tp->tx_buff_curr[queue] = tp->tx_buff_head[queue]; 1431 } 1432 1433 tp->tx_buff_used[queue] += alloc_size; 1434 tp->num_tx_fcbs_used[queue]++; 1435 tp->tx_fcb_curr[queue]->frame_length = bytes_count; 1436 tp->tx_fcb_curr[queue]->memory_alloc = alloc_size; 1437 temp = tp->tx_buff_curr[queue]; 1438 tp->tx_buff_curr[queue] 1439 = (__u16 *)((__u32)temp + (__u32)((bytes_count + 1) & 0xfffe)); 1440 1441 pbdb = tp->tx_fcb_curr[queue]->bdb_ptr; 1442 pbdb->buffer_length = bytes_count; 1443 pbdb->data_block_ptr = temp; 1444 pbdb->trc_data_block_ptr = TRC_POINTER(temp); 1445 1446 pFCB = tp->tx_fcb_curr[queue]; 1447 tp->tx_fcb_curr[queue] = tp->tx_fcb_curr[queue]->next_ptr; 1448 1449 return (pFCB); 1450} 1451 1452static int smctr_get_upstream_neighbor_addr(struct net_device *dev) 1453{ 1454 smctr_issue_read_word_cmd(dev, RW_UPSTREAM_NEIGHBOR_ADDRESS); 1455 1456 return(smctr_wait_cmd(dev)); 1457} 1458 1459static int smctr_hardware_send_packet(struct net_device *dev, 1460 struct net_local *tp) 1461{ 1462 struct tr_statistics *tstat = &tp->MacStat; 1463 struct sk_buff *skb; 1464 FCBlock *fcb; 1465 1466 if(smctr_debug > 10) 1467 printk(KERN_DEBUG"%s: smctr_hardware_send_packet\n", dev->name); 1468 1469 if(tp->status != OPEN) 1470 return (-1); 1471 1472 if(tp->monitor_state_ready != 1) 1473 return (-1); 1474 1475 for(;;) 1476 { 1477 /* Send first buffer from queue */ 1478 skb = skb_dequeue(&tp->SendSkbQueue); 1479 if(skb == NULL) 1480 return (-1); 1481 1482 tp->QueueSkb++; 1483 1484 if(skb->len < SMC_HEADER_SIZE || skb->len > tp->max_packet_size) return (-1); 1485 1486 smctr_enable_16bit(dev); 1487 smctr_set_page(dev, (__u8 *)tp->ram_access); 1488 1489 if((fcb = smctr_get_tx_fcb(dev, NON_MAC_QUEUE, skb->len)) 1490 == (FCBlock *)(-1L)) 1491 { 1492 smctr_disable_16bit(dev); 1493 return (-1); 1494 } 1495 1496 smctr_tx_move_frame(dev, skb, 1497 (__u8 *)fcb->bdb_ptr->data_block_ptr, skb->len); 1498 1499 smctr_set_page(dev, (__u8 *)fcb); 1500 1501 smctr_trc_send_packet(dev, fcb, NON_MAC_QUEUE); 1502 dev_kfree_skb(skb); 1503 1504 tstat->tx_packets++; 1505 1506 smctr_disable_16bit(dev); 1507 } 1508 1509 return (0); 1510} 1511 1512static int smctr_init_acbs(struct net_device *dev) 1513{ 1514 struct net_local *tp = netdev_priv(dev); 1515 unsigned int i; 1516 ACBlock *acb; 1517 1518 if(smctr_debug > 10) 1519 printk(KERN_DEBUG "%s: smctr_init_acbs\n", dev->name); 1520 1521 acb = tp->acb_head; 1522 acb->cmd_done_status = (ACB_COMMAND_DONE | ACB_COMMAND_SUCCESSFUL); 1523 acb->cmd_info = ACB_CHAIN_END; 1524 acb->cmd = 0; 1525 acb->subcmd = 0; 1526 acb->data_offset_lo = 0; 1527 acb->data_offset_hi = 0; 1528 acb->next_ptr 1529 = (ACBlock *)(((char *)acb) + sizeof(ACBlock)); 1530 acb->trc_next_ptr = TRC_POINTER(acb->next_ptr); 1531 1532 for(i = 1; i < tp->num_acbs; i++) 1533 { 1534 acb = acb->next_ptr; 1535 acb->cmd_done_status 1536 = (ACB_COMMAND_DONE | ACB_COMMAND_SUCCESSFUL); 1537 acb->cmd_info = ACB_CHAIN_END; 1538 acb->cmd = 0; 1539 acb->subcmd = 0; 1540 acb->data_offset_lo = 0; 1541 acb->data_offset_hi = 0; 1542 acb->next_ptr 1543 = (ACBlock *)(((char *)acb) + sizeof(ACBlock)); 1544 acb->trc_next_ptr = TRC_POINTER(acb->next_ptr); 1545 } 1546 1547 acb->next_ptr = tp->acb_head; 1548 acb->trc_next_ptr = TRC_POINTER(tp->acb_head); 1549 tp->acb_next = tp->acb_head->next_ptr; 1550 tp->acb_curr = tp->acb_head->next_ptr; 1551 tp->num_acbs_used = 0; 1552 1553 return (0); 1554} 1555 1556static int smctr_init_adapter(struct net_device *dev) 1557{ 1558 struct net_local *tp = netdev_priv(dev); 1559 int err; 1560 1561 if(smctr_debug > 10) 1562 printk(KERN_DEBUG "%s: smctr_init_adapter\n", dev->name); 1563 1564 tp->status = CLOSED; 1565 tp->page_offset_mask = (tp->ram_usable * 1024) - 1; 1566 skb_queue_head_init(&tp->SendSkbQueue); 1567 tp->QueueSkb = MAX_TX_QUEUE; 1568 1569 if(!(tp->group_address_0 & 0x0080)) 1570 tp->group_address_0 |= 0x00C0; 1571 1572 if(!(tp->functional_address_0 & 0x00C0)) 1573 tp->functional_address_0 |= 0x00C0; 1574 1575 tp->functional_address[0] &= 0xFF7F; 1576 1577 if(tp->authorized_function_classes == 0) 1578 tp->authorized_function_classes = 0x7FFF; 1579 1580 if(tp->authorized_access_priority == 0) 1581 tp->authorized_access_priority = 0x06; 1582 1583 smctr_disable_bic_int(dev); 1584 smctr_set_trc_reset(dev->base_addr); 1585 1586 smctr_enable_16bit(dev); 1587 smctr_set_page(dev, (__u8 *)tp->ram_access); 1588 1589 if(smctr_checksum_firmware(dev)) 1590 { 1591 printk(KERN_ERR "%s: Previously loaded firmware is missing\n",dev->name); return (-ENOENT); 1592 } 1593 1594 if((err = smctr_ram_memory_test(dev))) 1595 { 1596 printk(KERN_ERR "%s: RAM memory test failed.\n", dev->name); 1597 return (-EIO); 1598 } 1599 1600 smctr_set_rx_look_ahead(dev); 1601 smctr_load_node_addr(dev); 1602 1603 /* Initialize adapter for Internal Self Test. */ 1604 smctr_reset_adapter(dev); 1605 if((err = smctr_init_card_real(dev))) 1606 { 1607 printk(KERN_ERR "%s: Initialization of card failed (%d)\n", 1608 dev->name, err); 1609 return (-EINVAL); 1610 } 1611 1612 /* This routine clobbers the TRC's internal registers. */ 1613 if((err = smctr_internal_self_test(dev))) 1614 { 1615 printk(KERN_ERR "%s: Card failed internal self test (%d)\n", 1616 dev->name, err); 1617 return (-EINVAL); 1618 } 1619 1620 /* Re-Initialize adapter's internal registers */ 1621 smctr_reset_adapter(dev); 1622 if((err = smctr_init_card_real(dev))) 1623 { 1624 printk(KERN_ERR "%s: Initialization of card failed (%d)\n", 1625 dev->name, err); 1626 return (-EINVAL); 1627 } 1628 1629 smctr_enable_bic_int(dev); 1630 1631 if((err = smctr_issue_enable_int_cmd(dev, TRC_INTERRUPT_ENABLE_MASK))) 1632 return (err); 1633 1634 smctr_disable_16bit(dev); 1635 1636 return (0); 1637} 1638 1639static int smctr_init_card_real(struct net_device *dev) 1640{ 1641 struct net_local *tp = netdev_priv(dev); 1642 int err = 0; 1643 1644 if(smctr_debug > 10) 1645 printk(KERN_DEBUG "%s: smctr_init_card_real\n", dev->name); 1646 1647 tp->sh_mem_used = 0; 1648 tp->num_acbs = NUM_OF_ACBS; 1649 1650 /* Range Check Max Packet Size */ 1651 if(tp->max_packet_size < 256) 1652 tp->max_packet_size = 256; 1653 else 1654 { 1655 if(tp->max_packet_size > NON_MAC_TX_BUFFER_MEMORY) 1656 tp->max_packet_size = NON_MAC_TX_BUFFER_MEMORY; 1657 } 1658 1659 tp->num_of_tx_buffs = (NON_MAC_TX_BUFFER_MEMORY 1660 / tp->max_packet_size) - 1; 1661 1662 if(tp->num_of_tx_buffs > NUM_NON_MAC_TX_FCBS) 1663 tp->num_of_tx_buffs = NUM_NON_MAC_TX_FCBS; 1664 else 1665 { 1666 if(tp->num_of_tx_buffs == 0) 1667 tp->num_of_tx_buffs = 1; 1668 } 1669 1670 /* Tx queue constants */ 1671 tp->num_tx_fcbs [BUG_QUEUE] = NUM_BUG_TX_FCBS; 1672 tp->num_tx_bdbs [BUG_QUEUE] = NUM_BUG_TX_BDBS; 1673 tp->tx_buff_size [BUG_QUEUE] = BUG_TX_BUFFER_MEMORY; 1674 tp->tx_buff_used [BUG_QUEUE] = 0; 1675 tp->tx_queue_status [BUG_QUEUE] = NOT_TRANSMITING; 1676 1677 tp->num_tx_fcbs [MAC_QUEUE] = NUM_MAC_TX_FCBS; 1678 tp->num_tx_bdbs [MAC_QUEUE] = NUM_MAC_TX_BDBS; 1679 tp->tx_buff_size [MAC_QUEUE] = MAC_TX_BUFFER_MEMORY; 1680 tp->tx_buff_used [MAC_QUEUE] = 0; 1681 tp->tx_queue_status [MAC_QUEUE] = NOT_TRANSMITING; 1682 1683 tp->num_tx_fcbs [NON_MAC_QUEUE] = NUM_NON_MAC_TX_FCBS; 1684 tp->num_tx_bdbs [NON_MAC_QUEUE] = NUM_NON_MAC_TX_BDBS; 1685 tp->tx_buff_size [NON_MAC_QUEUE] = NON_MAC_TX_BUFFER_MEMORY; 1686 tp->tx_buff_used [NON_MAC_QUEUE] = 0; 1687 tp->tx_queue_status [NON_MAC_QUEUE] = NOT_TRANSMITING; 1688 1689 /* Receive Queue Constants */ 1690 tp->num_rx_fcbs[MAC_QUEUE] = NUM_MAC_RX_FCBS; 1691 tp->num_rx_bdbs[MAC_QUEUE] = NUM_MAC_RX_BDBS; 1692 1693 if(tp->extra_info & CHIP_REV_MASK) 1694 tp->num_rx_fcbs[NON_MAC_QUEUE] = 78; /* 825 Rev. XE */ 1695 else 1696 tp->num_rx_fcbs[NON_MAC_QUEUE] = 7; /* 825 Rev. XD */ 1697 1698 tp->num_rx_bdbs[NON_MAC_QUEUE] = smctr_get_num_rx_bdbs(dev); 1699 1700 smctr_alloc_shared_memory(dev); 1701 smctr_init_shared_memory(dev); 1702 1703 if((err = smctr_issue_init_timers_cmd(dev))) 1704 return (err); 1705 1706 if((err = smctr_issue_init_txrx_cmd(dev))) 1707 { 1708 printk(KERN_ERR "%s: Hardware failure\n", dev->name); 1709 return (err); 1710 } 1711 1712 return (0); 1713} 1714 1715static int smctr_init_rx_bdbs(struct net_device *dev) 1716{ 1717 struct net_local *tp = netdev_priv(dev); 1718 unsigned int i, j; 1719 BDBlock *bdb; 1720 __u16 *buf; 1721 1722 if(smctr_debug > 10) 1723 printk(KERN_DEBUG "%s: smctr_init_rx_bdbs\n", dev->name); 1724 1725 for(i = 0; i < NUM_RX_QS_USED; i++) 1726 { 1727 bdb = tp->rx_bdb_head[i]; 1728 buf = tp->rx_buff_head[i]; 1729 bdb->info = (BDB_CHAIN_END | BDB_NO_WARNING); 1730 bdb->buffer_length = RX_DATA_BUFFER_SIZE; 1731 bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); 1732 bdb->data_block_ptr = buf; 1733 bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); 1734 1735 if(i == NON_MAC_QUEUE) 1736 bdb->trc_data_block_ptr = RX_BUFF_TRC_POINTER(buf); 1737 else 1738 bdb->trc_data_block_ptr = TRC_POINTER(buf); 1739 1740 for(j = 1; j < tp->num_rx_bdbs[i]; j++) 1741 { 1742 bdb->next_ptr->back_ptr = bdb; 1743 bdb = bdb->next_ptr; 1744 buf = (__u16 *)((char *)buf + RX_DATA_BUFFER_SIZE); 1745 bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); 1746 bdb->buffer_length = RX_DATA_BUFFER_SIZE; 1747 bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); 1748 bdb->data_block_ptr = buf; 1749 bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); 1750 1751 if(i == NON_MAC_QUEUE) 1752 bdb->trc_data_block_ptr = RX_BUFF_TRC_POINTER(buf); 1753 else 1754 bdb->trc_data_block_ptr = TRC_POINTER(buf); 1755 } 1756 1757 bdb->next_ptr = tp->rx_bdb_head[i]; 1758 bdb->trc_next_ptr = TRC_POINTER(tp->rx_bdb_head[i]); 1759 1760 tp->rx_bdb_head[i]->back_ptr = bdb; 1761 tp->rx_bdb_curr[i] = tp->rx_bdb_head[i]->next_ptr; 1762 } 1763 1764 return (0); 1765} 1766 1767static int smctr_init_rx_fcbs(struct net_device *dev) 1768{ 1769 struct net_local *tp = netdev_priv(dev); 1770 unsigned int i, j; 1771 FCBlock *fcb; 1772 1773 for(i = 0; i < NUM_RX_QS_USED; i++) 1774 { 1775 fcb = tp->rx_fcb_head[i]; 1776 fcb->frame_status = 0; 1777 fcb->frame_length = 0; 1778 fcb->info = FCB_CHAIN_END; 1779 fcb->next_ptr = (FCBlock *)(((char*)fcb) + sizeof(FCBlock)); 1780 if(i == NON_MAC_QUEUE) 1781 fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr); 1782 else 1783 fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); 1784 1785 for(j = 1; j < tp->num_rx_fcbs[i]; j++) 1786 { 1787 fcb->next_ptr->back_ptr = fcb; 1788 fcb = fcb->next_ptr; 1789 fcb->frame_status = 0; 1790 fcb->frame_length = 0; 1791 fcb->info = FCB_WARNING; 1792 fcb->next_ptr 1793 = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); 1794 1795 if(i == NON_MAC_QUEUE) 1796 fcb->trc_next_ptr 1797 = RX_FCB_TRC_POINTER(fcb->next_ptr); 1798 else 1799 fcb->trc_next_ptr 1800 = TRC_POINTER(fcb->next_ptr); 1801 } 1802 1803 fcb->next_ptr = tp->rx_fcb_head[i]; 1804 1805 if(i == NON_MAC_QUEUE) 1806 fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr); 1807 else 1808 fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); 1809 1810 tp->rx_fcb_head[i]->back_ptr = fcb; 1811 tp->rx_fcb_curr[i] = tp->rx_fcb_head[i]->next_ptr; 1812 } 1813 1814 return(0); 1815} 1816 1817static int smctr_init_shared_memory(struct net_device *dev) 1818{ 1819 struct net_local *tp = netdev_priv(dev); 1820 unsigned int i; 1821 __u32 *iscpb; 1822 1823 if(smctr_debug > 10) 1824 printk(KERN_DEBUG "%s: smctr_init_shared_memory\n", dev->name); 1825 1826 smctr_set_page(dev, (__u8 *)(unsigned int)tp->iscpb_ptr); 1827 1828 /* Initialize Initial System Configuration Point. (ISCP) */ 1829 iscpb = (__u32 *)PAGE_POINTER(&tp->iscpb_ptr->trc_scgb_ptr); 1830 *iscpb = (__u32)(SWAP_WORDS(TRC_POINTER(tp->scgb_ptr))); 1831 1832 smctr_set_page(dev, (__u8 *)tp->ram_access); 1833 1834 /* Initialize System Configuration Pointers. (SCP) */ 1835 tp->scgb_ptr->config = (SCGB_ADDRESS_POINTER_FORMAT 1836 | SCGB_MULTI_WORD_CONTROL | SCGB_DATA_FORMAT 1837 | SCGB_BURST_LENGTH); 1838 1839 tp->scgb_ptr->trc_sclb_ptr = TRC_POINTER(tp->sclb_ptr); 1840 tp->scgb_ptr->trc_acb_ptr = TRC_POINTER(tp->acb_head); 1841 tp->scgb_ptr->trc_isb_ptr = TRC_POINTER(tp->isb_ptr); 1842 tp->scgb_ptr->isbsiz = (sizeof(ISBlock)) - 2; 1843 1844 /* Initialize System Control Block. (SCB) */ 1845 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_NOP; 1846 tp->sclb_ptr->iack_code = 0; 1847 tp->sclb_ptr->resume_control = 0; 1848 tp->sclb_ptr->int_mask_control = 0; 1849 tp->sclb_ptr->int_mask_state = 0; 1850 1851 /* Initialize Interrupt Status Block. (ISB) */ 1852 for(i = 0; i < NUM_OF_INTERRUPTS; i++) 1853 { 1854 tp->isb_ptr->IStatus[i].IType = 0xf0; 1855 tp->isb_ptr->IStatus[i].ISubtype = 0; 1856 } 1857 1858 tp->current_isb_index = 0; 1859 1860 /* Initialize Action Command Block. (ACB) */ 1861 smctr_init_acbs(dev); 1862 1863 /* Initialize transmit FCB's and BDB's. */ 1864 smctr_link_tx_fcbs_to_bdbs(dev); 1865 smctr_init_tx_bdbs(dev); 1866 smctr_init_tx_fcbs(dev); 1867 1868 /* Initialize receive FCB's and BDB's. */ 1869 smctr_init_rx_bdbs(dev); 1870 smctr_init_rx_fcbs(dev); 1871 1872 return (0); 1873} 1874 1875static int smctr_init_tx_bdbs(struct net_device *dev) 1876{ 1877 struct net_local *tp = netdev_priv(dev); 1878 unsigned int i, j; 1879 BDBlock *bdb; 1880 1881 for(i = 0; i < NUM_TX_QS_USED; i++) 1882 { 1883 bdb = tp->tx_bdb_head[i]; 1884 bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); 1885 bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); 1886 bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); 1887 1888 for(j = 1; j < tp->num_tx_bdbs[i]; j++) 1889 { 1890 bdb->next_ptr->back_ptr = bdb; 1891 bdb = bdb->next_ptr; 1892 bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); 1893 bdb->next_ptr 1894 = (BDBlock *)(((char *)bdb) + sizeof( BDBlock)); bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); 1895 } 1896 1897 bdb->next_ptr = tp->tx_bdb_head[i]; 1898 bdb->trc_next_ptr = TRC_POINTER(tp->tx_bdb_head[i]); 1899 tp->tx_bdb_head[i]->back_ptr = bdb; 1900 } 1901 1902 return (0); 1903} 1904 1905static int smctr_init_tx_fcbs(struct net_device *dev) 1906{ 1907 struct net_local *tp = netdev_priv(dev); 1908 unsigned int i, j; 1909 FCBlock *fcb; 1910 1911 for(i = 0; i < NUM_TX_QS_USED; i++) 1912 { 1913 fcb = tp->tx_fcb_head[i]; 1914 fcb->frame_status = 0; 1915 fcb->frame_length = 0; 1916 fcb->info = FCB_CHAIN_END; 1917 fcb->next_ptr = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); 1918 fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); 1919 1920 for(j = 1; j < tp->num_tx_fcbs[i]; j++) 1921 { 1922 fcb->next_ptr->back_ptr = fcb; 1923 fcb = fcb->next_ptr; 1924 fcb->frame_status = 0; 1925 fcb->frame_length = 0; 1926 fcb->info = FCB_CHAIN_END; 1927 fcb->next_ptr 1928 = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); 1929 fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); 1930 } 1931 1932 fcb->next_ptr = tp->tx_fcb_head[i]; 1933 fcb->trc_next_ptr = TRC_POINTER(tp->tx_fcb_head[i]); 1934 1935 tp->tx_fcb_head[i]->back_ptr = fcb; 1936 tp->tx_fcb_end[i] = tp->tx_fcb_head[i]->next_ptr; 1937 tp->tx_fcb_curr[i] = tp->tx_fcb_head[i]->next_ptr; 1938 tp->num_tx_fcbs_used[i] = 0; 1939 } 1940 1941 return (0); 1942} 1943 1944static int smctr_internal_self_test(struct net_device *dev) 1945{ 1946 struct net_local *tp = netdev_priv(dev); 1947 int err; 1948 1949 if((err = smctr_issue_test_internal_rom_cmd(dev))) 1950 return (err); 1951 1952 if((err = smctr_wait_cmd(dev))) 1953 return (err); 1954 1955 if(tp->acb_head->cmd_done_status & 0xff) 1956 return (-1); 1957 1958 if((err = smctr_issue_test_hic_cmd(dev))) 1959 return (err); 1960 1961 if((err = smctr_wait_cmd(dev))) 1962 return (err); 1963 1964 if(tp->acb_head->cmd_done_status & 0xff) 1965 return (-1); 1966 1967 if((err = smctr_issue_test_mac_reg_cmd(dev))) 1968 return (err); 1969 1970 if((err = smctr_wait_cmd(dev))) 1971 return (err); 1972 1973 if(tp->acb_head->cmd_done_status & 0xff) 1974 return (-1); 1975 1976 return (0); 1977} 1978 1979/* 1980 * The typical workload of the driver: Handle the network interface interrupts. 1981 */ 1982static irqreturn_t smctr_interrupt(int irq, void *dev_id) 1983{ 1984 struct net_device *dev = dev_id; 1985 struct net_local *tp; 1986 int ioaddr; 1987 __u16 interrupt_unmask_bits = 0, interrupt_ack_code = 0xff00; 1988 __u16 err1, err = NOT_MY_INTERRUPT; 1989 __u8 isb_type, isb_subtype; 1990 __u16 isb_index; 1991 1992 ioaddr = dev->base_addr; 1993 tp = netdev_priv(dev); 1994 1995 if(tp->status == NOT_INITIALIZED) 1996 return IRQ_NONE; 1997 1998 spin_lock(&tp->lock); 1999 2000 smctr_disable_bic_int(dev); 2001 smctr_enable_16bit(dev); 2002 2003 smctr_clear_int(dev); 2004 2005 /* First read the LSB */ 2006 while((tp->isb_ptr->IStatus[tp->current_isb_index].IType & 0xf0) == 0) 2007 { 2008 isb_index = tp->current_isb_index; 2009 isb_type = tp->isb_ptr->IStatus[isb_index].IType; 2010 isb_subtype = tp->isb_ptr->IStatus[isb_index].ISubtype; 2011 2012 (tp->current_isb_index)++; 2013 if(tp->current_isb_index == NUM_OF_INTERRUPTS) 2014 tp->current_isb_index = 0; 2015 2016 if(isb_type >= 0x10) 2017 { 2018 smctr_disable_16bit(dev); 2019 spin_unlock(&tp->lock); 2020 return IRQ_HANDLED; 2021 } 2022 2023 err = HARDWARE_FAILED; 2024 interrupt_ack_code = isb_index; 2025 tp->isb_ptr->IStatus[isb_index].IType |= 0xf0; 2026 2027 interrupt_unmask_bits |= (1 << (__u16)isb_type); 2028 2029 switch(isb_type) 2030 { 2031 case ISB_IMC_MAC_TYPE_3: 2032 smctr_disable_16bit(dev); 2033 2034 switch(isb_subtype) 2035 { 2036 case 0: 2037 tp->monitor_state = MS_MONITOR_FSM_INACTIVE; 2038 break; 2039 2040 case 1: 2041 tp->monitor_state = MS_REPEAT_BEACON_STATE; 2042 break; 2043 2044 case 2: 2045 tp->monitor_state = MS_REPEAT_CLAIM_TOKEN_STATE; 2046 break; 2047 2048 case 3: 2049 tp->monitor_state = MS_TRANSMIT_CLAIM_TOKEN_STATE; break; 2050 2051 case 4: 2052 tp->monitor_state = MS_STANDBY_MONITOR_STATE; 2053 break; 2054 2055 case 5: 2056 tp->monitor_state = MS_TRANSMIT_BEACON_STATE; 2057 break; 2058 2059 case 6: 2060 tp->monitor_state = MS_ACTIVE_MONITOR_STATE; 2061 break; 2062 2063 case 7: 2064 tp->monitor_state = MS_TRANSMIT_RING_PURGE_STATE; 2065 break; 2066 2067 case 8: /* diagnostic state */ 2068 break; 2069 2070 case 9: 2071 tp->monitor_state = MS_BEACON_TEST_STATE; 2072 if(smctr_lobe_media_test(dev)) 2073 { 2074 tp->ring_status_flags = RING_STATUS_CHANGED; 2075 tp->ring_status = AUTO_REMOVAL_ERROR; 2076 smctr_ring_status_chg(dev); 2077 smctr_bypass_state(dev); 2078 } 2079 else 2080 smctr_issue_insert_cmd(dev); 2081 break; 2082 2083 /* case 0x0a-0xff, illegal states */ 2084 default: 2085 break; 2086 } 2087 2088 tp->ring_status_flags = MONITOR_STATE_CHANGED; 2089 err = smctr_ring_status_chg(dev); 2090 2091 smctr_enable_16bit(dev); 2092 break; 2093 2094 /* Type 0x02 - MAC Error Counters Interrupt 2095 * One or more MAC Error Counter is half full 2096 * MAC Error Counters 2097 * Lost_FR_Error_Counter 2098 * RCV_Congestion_Counter 2099 * FR_copied_Error_Counter 2100 * FREQ_Error_Counter 2101 * Token_Error_Counter 2102 * Line_Error_Counter 2103 * Internal_Error_Count 2104 */ 2105 case ISB_IMC_MAC_ERROR_COUNTERS: 2106 /* Read 802.5 Error Counters */ 2107 err = smctr_issue_read_ring_status_cmd(dev); 2108 break; 2109 2110 /* Type 0x04 - MAC Type 2 Interrupt 2111 * HOST needs to enqueue MAC Frame for transmission 2112 * SubType Bit 15 - RQ_INIT_PDU( Request Initialization) * Changed from RQ_INIT_PDU to 2113 * TRC_Status_Changed_Indicate 2114 */ 2115 case ISB_IMC_MAC_TYPE_2: 2116 err = smctr_issue_read_ring_status_cmd(dev); 2117 break; 2118 2119 2120 /* Type 0x05 - TX Frame Interrupt (FI). */ 2121 case ISB_IMC_TX_FRAME: 2122 /* BUG QUEUE for TRC stuck receive BUG */ 2123 if(isb_subtype & TX_PENDING_PRIORITY_2) 2124 { 2125 if((err = smctr_tx_complete(dev, BUG_QUEUE)) != SUCCESS) 2126 break; 2127 } 2128 2129 /* NON-MAC frames only */ 2130 if(isb_subtype & TX_PENDING_PRIORITY_1) 2131 { 2132 if((err = smctr_tx_complete(dev, NON_MAC_QUEUE)) != SUCCESS) 2133 break; 2134 } 2135 2136 /* MAC frames only */ 2137 if(isb_subtype & TX_PENDING_PRIORITY_0) 2138 err = smctr_tx_complete(dev, MAC_QUEUE); break; 2139 2140 /* Type 0x06 - TX END OF QUEUE (FE) */ 2141 case ISB_IMC_END_OF_TX_QUEUE: 2142 /* BUG queue */ 2143 if(isb_subtype & TX_PENDING_PRIORITY_2) 2144 { 2145 /* ok to clear Receive FIFO overrun 2146 * imask send_BUG now completes. 2147 */ 2148 interrupt_unmask_bits |= 0x800; 2149 2150 tp->tx_queue_status[BUG_QUEUE] = NOT_TRANSMITING; 2151 if((err = smctr_tx_complete(dev, BUG_QUEUE)) != SUCCESS) 2152 break; 2153 if((err = smctr_restart_tx_chain(dev, BUG_QUEUE)) != SUCCESS) 2154 break; 2155 } 2156 2157 /* NON-MAC queue only */ 2158 if(isb_subtype & TX_PENDING_PRIORITY_1) 2159 { 2160 tp->tx_queue_status[NON_MAC_QUEUE] = NOT_TRANSMITING; 2161 if((err = smctr_tx_complete(dev, NON_MAC_QUEUE)) != SUCCESS) 2162 break; 2163 if((err = smctr_restart_tx_chain(dev, NON_MAC_QUEUE)) != SUCCESS) 2164 break; 2165 } 2166 2167 /* MAC queue only */ 2168 if(isb_subtype & TX_PENDING_PRIORITY_0) 2169 { 2170 tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; 2171 if((err = smctr_tx_complete(dev, MAC_QUEUE)) != SUCCESS) 2172 break; 2173 2174 err = smctr_restart_tx_chain(dev, MAC_QUEUE); 2175 } 2176 break; 2177 2178 /* Type 0x07 - NON-MAC RX Resource Interrupt 2179 * Subtype bit 12 - (BW) BDB warning 2180 * Subtype bit 13 - (FW) FCB warning 2181 * Subtype bit 14 - (BE) BDB End of chain 2182 * Subtype bit 15 - (FE) FCB End of chain 2183 */ 2184 case ISB_IMC_NON_MAC_RX_RESOURCE: 2185 tp->rx_fifo_overrun_count = 0; 2186 tp->receive_queue_number = NON_MAC_QUEUE; 2187 err1 = smctr_rx_frame(dev); 2188 2189 if(isb_subtype & NON_MAC_RX_RESOURCE_FE) 2190 { 2191 if((err = smctr_issue_resume_rx_fcb_cmd( dev, NON_MAC_QUEUE)) != SUCCESS) break; 2192 2193 if(tp->ptr_rx_fcb_overruns) 2194 (*tp->ptr_rx_fcb_overruns)++; 2195 } 2196 2197 if(isb_subtype & NON_MAC_RX_RESOURCE_BE) 2198 { 2199 if((err = smctr_issue_resume_rx_bdb_cmd( dev, NON_MAC_QUEUE)) != SUCCESS) break; 2200 2201 if(tp->ptr_rx_bdb_overruns) 2202 (*tp->ptr_rx_bdb_overruns)++; 2203 } 2204 err = err1; 2205 break; 2206 2207 /* Type 0x08 - MAC RX Resource Interrupt 2208 * Subtype bit 12 - (BW) BDB warning 2209 * Subtype bit 13 - (FW) FCB warning 2210 * Subtype bit 14 - (BE) BDB End of chain 2211 * Subtype bit 15 - (FE) FCB End of chain 2212 */ 2213 case ISB_IMC_MAC_RX_RESOURCE: 2214 tp->receive_queue_number = MAC_QUEUE; 2215 err1 = smctr_rx_frame(dev); 2216 2217 if(isb_subtype & MAC_RX_RESOURCE_FE) 2218 { 2219 if((err = smctr_issue_resume_rx_fcb_cmd( dev, MAC_QUEUE)) != SUCCESS) 2220 break; 2221 2222 if(tp->ptr_rx_fcb_overruns) 2223 (*tp->ptr_rx_fcb_overruns)++; 2224 } 2225 2226 if(isb_subtype & MAC_RX_RESOURCE_BE) 2227 { 2228 if((err = smctr_issue_resume_rx_bdb_cmd( dev, MAC_QUEUE)) != SUCCESS) 2229 break; 2230 2231 if(tp->ptr_rx_bdb_overruns) 2232 (*tp->ptr_rx_bdb_overruns)++; 2233 } 2234 err = err1; 2235 break; 2236 2237 /* Type 0x09 - NON_MAC RX Frame Interrupt */ 2238 case ISB_IMC_NON_MAC_RX_FRAME: 2239 tp->rx_fifo_overrun_count = 0; 2240 tp->receive_queue_number = NON_MAC_QUEUE; 2241 err = smctr_rx_frame(dev); 2242 break; 2243 2244 /* Type 0x0A - MAC RX Frame Interrupt */ 2245 case ISB_IMC_MAC_RX_FRAME: 2246 tp->receive_queue_number = MAC_QUEUE; 2247 err = smctr_rx_frame(dev); 2248 break; 2249 2250 /* Type 0x0B - TRC status 2251 * TRC has encountered an error condition 2252 * subtype bit 14 - transmit FIFO underrun 2253 * subtype bit 15 - receive FIFO overrun 2254 */ 2255 case ISB_IMC_TRC_FIFO_STATUS: 2256 if(isb_subtype & TRC_FIFO_STATUS_TX_UNDERRUN) 2257 { 2258 if(tp->ptr_tx_fifo_underruns) 2259 (*tp->ptr_tx_fifo_underruns)++; 2260 } 2261 2262 if(isb_subtype & TRC_FIFO_STATUS_RX_OVERRUN) 2263 { 2264 /* update overrun stuck receive counter 2265 * if >= 3, has to clear it by sending 2266 * back to back frames. We pick 2267 * DAT(duplicate address MAC frame) 2268 */ 2269 tp->rx_fifo_overrun_count++; 2270 2271 if(tp->rx_fifo_overrun_count >= 3) 2272 { 2273 tp->rx_fifo_overrun_count = 0; 2274 2275 /* delay clearing fifo overrun 2276 * imask till send_BUG tx 2277 * complete posted 2278 */ 2279 interrupt_unmask_bits &= (~0x800); 2280 printk(KERN_CRIT "Jay please send bug\n");// smctr_send_bug(dev); 2281 } 2282 2283 if(tp->ptr_rx_fifo_overruns) 2284 (*tp->ptr_rx_fifo_overruns)++; 2285 } 2286 2287 err = SUCCESS; 2288 break; 2289 2290 /* Type 0x0C - Action Command Status Interrupt 2291 * Subtype bit 14 - CB end of command chain (CE) 2292 * Subtype bit 15 - CB command interrupt (CI) 2293 */ 2294 case ISB_IMC_COMMAND_STATUS: 2295 err = SUCCESS; 2296 if(tp->acb_head->cmd == ACB_CMD_HIC_NOP) 2297 { 2298 printk(KERN_ERR "i1\n"); 2299 smctr_disable_16bit(dev); 2300 2301 /* XXXXXXXXXXXXXXXXX */ 2302 /* err = UM_Interrupt(dev); */ 2303 2304 smctr_enable_16bit(dev); 2305 } 2306 else 2307 { 2308 if((tp->acb_head->cmd 2309 == ACB_CMD_READ_TRC_STATUS) 2310 && (tp->acb_head->subcmd 2311 == RW_TRC_STATUS_BLOCK)) 2312 { 2313 if(tp->ptr_bcn_type != 0) 2314 { 2315 *(tp->ptr_bcn_type) 2316 = (__u32)((SBlock *)tp->misc_command_data)->BCN_Type; 2317 } 2318 2319 if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & ERROR_COUNTERS_CHANGED) 2320 { 2321 smctr_update_err_stats(dev); 2322 } 2323 2324 if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & TI_NDIS_RING_STATUS_CHANGED) 2325 { 2326 tp->ring_status 2327 = ((SBlock*)tp->misc_command_data)->TI_NDIS_Ring_Status; 2328 smctr_disable_16bit(dev); 2329 err = smctr_ring_status_chg(dev); 2330 smctr_enable_16bit(dev); 2331 if((tp->ring_status & REMOVE_RECEIVED) 2332 && (tp->config_word0 & NO_AUTOREMOVE)) 2333 { 2334 smctr_issue_remove_cmd(dev); 2335 } 2336 2337 if(err != SUCCESS) 2338 { 2339 tp->acb_pending = 0; 2340 break; 2341 } 2342 } 2343 2344 if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & UNA_CHANGED) 2345 { 2346 if(tp->ptr_una) 2347 { 2348 tp->ptr_una[0] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[0]); 2349 tp->ptr_una[1] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[1]); 2350 tp->ptr_una[2] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[2]); 2351 } 2352 2353 } 2354 2355 if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & READY_TO_SEND_RQ_INIT) { 2356 err = smctr_send_rq_init(dev); 2357 } 2358 } 2359 } 2360 2361 tp->acb_pending = 0; 2362 break; 2363 2364 /* Type 0x0D - MAC Type 1 interrupt 2365 * Subtype -- 00 FR_BCN received at S12 2366 * 01 FR_BCN received at S21 2367 * 02 FR_DAT(DA=MA, A<>0) received at S21 2368 * 03 TSM_EXP at S21 2369 * 04 FR_REMOVE received at S42 2370 * 05 TBR_EXP, BR_FLAG_SET at S42 2371 * 06 TBT_EXP at S53 2372 */ 2373 case ISB_IMC_MAC_TYPE_1: 2374 if(isb_subtype > 8) 2375 { 2376 err = HARDWARE_FAILED; 2377 break; 2378 } 2379 2380 err = SUCCESS; 2381 switch(isb_subtype) 2382 { 2383 case 0: 2384 tp->join_state = JS_BYPASS_STATE; 2385 if(tp->status != CLOSED) 2386 { 2387 tp->status = CLOSED; 2388 err = smctr_status_chg(dev); 2389 } 2390 break; 2391 2392 case 1: 2393 tp->join_state = JS_LOBE_TEST_STATE; 2394 break; 2395 2396 case 2: 2397 tp->join_state = JS_DETECT_MONITOR_PRESENT_STATE; 2398 break; 2399 2400 case 3: 2401 tp->join_state = JS_AWAIT_NEW_MONITOR_STATE; 2402 break; 2403 2404 case 4: 2405 tp->join_state = JS_DUPLICATE_ADDRESS_TEST_STATE; 2406 break; 2407 2408 case 5: 2409 tp->join_state = JS_NEIGHBOR_NOTIFICATION_STATE; 2410 break; 2411 2412 case 6: 2413 tp->join_state = JS_REQUEST_INITIALIZATION_STATE; 2414 break; 2415 2416 case 7: 2417 tp->join_state = JS_JOIN_COMPLETE_STATE; 2418 tp->status = OPEN; 2419 err = smctr_status_chg(dev); 2420 break; 2421 2422 case 8: 2423 tp->join_state = JS_BYPASS_WAIT_STATE; 2424 break; 2425 } 2426 break ; 2427 2428 /* Type 0x0E - TRC Initialization Sequence Interrupt 2429 * Subtype -- 00-FF Initializatin sequence complete 2430 */ 2431 case ISB_IMC_TRC_INTRNL_TST_STATUS: 2432 tp->status = INITIALIZED; 2433 smctr_disable_16bit(dev); 2434 err = smctr_status_chg(dev); 2435 smctr_enable_16bit(dev); 2436 break; 2437 2438 /* other interrupt types, illegal */ 2439 default: 2440 break; 2441 } 2442 2443 if(err != SUCCESS) 2444 break; 2445 } 2446 2447 /* Checking the ack code instead of the unmask bits here is because : 2448 * while fixing the stuck receive, DAT frame are sent and mask off 2449 * FIFO overrun interrupt temporarily (interrupt_unmask_bits = 0) 2450 * but we still want to issue ack to ISB 2451 */ 2452 if(!(interrupt_ack_code & 0xff00)) 2453 smctr_issue_int_ack(dev, interrupt_ack_code, interrupt_unmask_bits); 2454 2455 smctr_disable_16bit(dev); 2456 smctr_enable_bic_int(dev); 2457 spin_unlock(&tp->lock); 2458 2459 return IRQ_HANDLED; 2460} 2461 2462static int smctr_issue_enable_int_cmd(struct net_device *dev, 2463 __u16 interrupt_enable_mask) 2464{ 2465 struct net_local *tp = netdev_priv(dev); 2466 int err; 2467 2468 if((err = smctr_wait_while_cbusy(dev))) 2469 return (err); 2470 2471 tp->sclb_ptr->int_mask_control = interrupt_enable_mask; 2472 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_CLEAR_INTERRUPT_MASK; 2473 2474 smctr_set_ctrl_attention(dev); 2475 2476 return (0); 2477} 2478 2479static int smctr_issue_int_ack(struct net_device *dev, __u16 iack_code, __u16 ibits) 2480{ 2481 struct net_local *tp = netdev_priv(dev); 2482 2483 if(smctr_wait_while_cbusy(dev)) 2484 return (-1); 2485 2486 tp->sclb_ptr->int_mask_control = ibits; 2487 tp->sclb_ptr->iack_code = iack_code << 1; /* use the offset from base */ tp->sclb_ptr->resume_control = 0; 2488 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_IACK_CODE_VALID | SCLB_CMD_CLEAR_INTERRUPT_MASK; 2489 2490 smctr_set_ctrl_attention(dev); 2491 2492 return (0); 2493} 2494 2495static int smctr_issue_init_timers_cmd(struct net_device *dev) 2496{ 2497 struct net_local *tp = netdev_priv(dev); 2498 unsigned int i; 2499 int err; 2500 __u16 *pTimer_Struc = (__u16 *)tp->misc_command_data; 2501 2502 if((err = smctr_wait_while_cbusy(dev))) 2503 return (err); 2504 2505 if((err = smctr_wait_cmd(dev))) 2506 return (err); 2507 2508 tp->config_word0 = THDREN | DMA_TRIGGER | USETPT | NO_AUTOREMOVE; 2509 tp->config_word1 = 0; 2510 2511 if((tp->media_type == MEDIA_STP_16) 2512 || (tp->media_type == MEDIA_UTP_16) 2513 || (tp->media_type == MEDIA_STP_16_UTP_16)) 2514 { 2515 tp->config_word0 |= FREQ_16MB_BIT; 2516 } 2517 2518 if(tp->mode_bits & EARLY_TOKEN_REL) 2519 tp->config_word0 |= ETREN; 2520 2521 if(tp->mode_bits & LOOPING_MODE_MASK) 2522 tp->config_word0 |= RX_OWN_BIT; 2523 else 2524 tp->config_word0 &= ~RX_OWN_BIT; 2525 2526 if(tp->receive_mask & PROMISCUOUS_MODE) 2527 tp->config_word0 |= PROMISCUOUS_BIT; 2528 else 2529 tp->config_word0 &= ~PROMISCUOUS_BIT; 2530 2531 if(tp->receive_mask & ACCEPT_ERR_PACKETS) 2532 tp->config_word0 |= SAVBAD_BIT; 2533 else 2534 tp->config_word0 &= ~SAVBAD_BIT; 2535 2536 if(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) 2537 tp->config_word0 |= RXATMAC; 2538 else 2539 tp->config_word0 &= ~RXATMAC; 2540 2541 if(tp->receive_mask & ACCEPT_MULTI_PROM) 2542 tp->config_word1 |= MULTICAST_ADDRESS_BIT; 2543 else 2544 tp->config_word1 &= ~MULTICAST_ADDRESS_BIT; 2545 2546 if(tp->receive_mask & ACCEPT_SOURCE_ROUTING_SPANNING) 2547 tp->config_word1 |= SOURCE_ROUTING_SPANNING_BITS; 2548 else 2549 { 2550 if(tp->receive_mask & ACCEPT_SOURCE_ROUTING) 2551 tp->config_word1 |= SOURCE_ROUTING_EXPLORER_BIT; 2552 else 2553 tp->config_word1 &= ~SOURCE_ROUTING_SPANNING_BITS; 2554 } 2555 2556 if((tp->media_type == MEDIA_STP_16) 2557 || (tp->media_type == MEDIA_UTP_16) 2558 || (tp->media_type == MEDIA_STP_16_UTP_16)) 2559 { 2560 tp->config_word1 |= INTERFRAME_SPACING_16; 2561 } 2562 else 2563 tp->config_word1 |= INTERFRAME_SPACING_4; 2564 2565 *pTimer_Struc++ = tp->config_word0; 2566 *pTimer_Struc++ = tp->config_word1; 2567 2568 if((tp->media_type == MEDIA_STP_4) 2569 || (tp->media_type == MEDIA_UTP_4) 2570 || (tp->media_type == MEDIA_STP_4_UTP_4)) 2571 { 2572 *pTimer_Struc++ = 0x00FA; /* prescale */ 2573 *pTimer_Struc++ = 0x2710; /* TPT_limit */ 2574 *pTimer_Struc++ = 0x2710; /* TQP_limit */ 2575 *pTimer_Struc++ = 0x0A28; /* TNT_limit */ 2576 *pTimer_Struc++ = 0x3E80; /* TBT_limit */ 2577 *pTimer_Struc++ = 0x3A98; /* TSM_limit */ 2578 *pTimer_Struc++ = 0x1B58; /* TAM_limit */ 2579 *pTimer_Struc++ = 0x00C8; /* TBR_limit */ 2580 *pTimer_Struc++ = 0x07D0; /* TER_limit */ 2581 *pTimer_Struc++ = 0x000A; /* TGT_limit */ 2582 *pTimer_Struc++ = 0x1162; /* THT_limit */ 2583 *pTimer_Struc++ = 0x07D0; /* TRR_limit */ 2584 *pTimer_Struc++ = 0x1388; /* TVX_limit */ 2585 *pTimer_Struc++ = 0x0000; /* reserved */ 2586 } 2587 else 2588 { 2589 *pTimer_Struc++ = 0x03E8; /* prescale */ 2590 *pTimer_Struc++ = 0x9C40; /* TPT_limit */ 2591 *pTimer_Struc++ = 0x9C40; /* TQP_limit */ 2592 *pTimer_Struc++ = 0x0A28; /* TNT_limit */ 2593 *pTimer_Struc++ = 0x3E80; /* TBT_limit */ 2594 *pTimer_Struc++ = 0x3A98; /* TSM_limit */ 2595 *pTimer_Struc++ = 0x1B58; /* TAM_limit */ 2596 *pTimer_Struc++ = 0x00C8; /* TBR_limit */ 2597 *pTimer_Struc++ = 0x07D0; /* TER_limit */ 2598 *pTimer_Struc++ = 0x000A; /* TGT_limit */ 2599 *pTimer_Struc++ = 0x4588; /* THT_limit */ 2600 *pTimer_Struc++ = 0x1F40; /* TRR_limit */ 2601 *pTimer_Struc++ = 0x4E20; /* TVX_limit */ 2602 *pTimer_Struc++ = 0x0000; /* reserved */ 2603 } 2604 2605 /* Set node address. */ 2606 *pTimer_Struc++ = dev->dev_addr[0] << 8 2607 | (dev->dev_addr[1] & 0xFF); 2608 *pTimer_Struc++ = dev->dev_addr[2] << 8 2609 | (dev->dev_addr[3] & 0xFF); 2610 *pTimer_Struc++ = dev->dev_addr[4] << 8 2611 | (dev->dev_addr[5] & 0xFF); 2612 2613 /* Set group address. */ 2614 *pTimer_Struc++ = tp->group_address_0 << 8 2615 | tp->group_address_0 >> 8; 2616 *pTimer_Struc++ = tp->group_address[0] << 8 2617 | tp->group_address[0] >> 8; 2618 *pTimer_Struc++ = tp->group_address[1] << 8 2619 | tp->group_address[1] >> 8; 2620 2621 /* Set functional address. */ 2622 *pTimer_Struc++ = tp->functional_address_0 << 8 2623 | tp->functional_address_0 >> 8; 2624 *pTimer_Struc++ = tp->functional_address[0] << 8 2625 | tp->functional_address[0] >> 8; 2626 *pTimer_Struc++ = tp->functional_address[1] << 8 2627 | tp->functional_address[1] >> 8; 2628 2629 /* Set Bit-Wise group address. */ 2630 *pTimer_Struc++ = tp->bitwise_group_address[0] << 8 2631 | tp->bitwise_group_address[0] >> 8; 2632 *pTimer_Struc++ = tp->bitwise_group_address[1] << 8 2633 | tp->bitwise_group_address[1] >> 8; 2634 2635 /* Set ring number address. */ 2636 *pTimer_Struc++ = tp->source_ring_number; 2637 *pTimer_Struc++ = tp->target_ring_number; 2638 2639 /* Physical drop number. */ 2640 *pTimer_Struc++ = (unsigned short)0; 2641 *pTimer_Struc++ = (unsigned short)0; 2642 2643 /* Product instance ID. */ 2644 for(i = 0; i < 9; i++) 2645 *pTimer_Struc++ = (unsigned short)0; 2646 2647 err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_INIT_TRC_TIMERS, 0); 2648 2649 return (err); 2650} 2651 2652static int smctr_issue_init_txrx_cmd(struct net_device *dev) 2653{ 2654 struct net_local *tp = netdev_priv(dev); 2655 unsigned int i; 2656 int err; 2657 void **txrx_ptrs = (void *)tp->misc_command_data; 2658 2659 if((err = smctr_wait_while_cbusy(dev))) 2660 return (err); 2661 2662 if((err = smctr_wait_cmd(dev))) 2663 { 2664 printk(KERN_ERR "%s: Hardware failure\n", dev->name); 2665 return (err); 2666 } 2667 2668 /* Initialize Transmit Queue Pointers that are used, to point to 2669 * a single FCB. 2670 */ 2671 for(i = 0; i < NUM_TX_QS_USED; i++) 2672 *txrx_ptrs++ = (void *)TRC_POINTER(tp->tx_fcb_head[i]); 2673 2674 /* Initialize Transmit Queue Pointers that are NOT used to ZERO. */ 2675 for(; i < MAX_TX_QS; i++) 2676 *txrx_ptrs++ = (void *)0; 2677 2678 /* Initialize Receive Queue Pointers (MAC and Non-MAC) that are 2679 * used, to point to a single FCB and a BDB chain of buffers. 2680 */ 2681 for(i = 0; i < NUM_RX_QS_USED; i++) 2682 { 2683 *txrx_ptrs++ = (void *)TRC_POINTER(tp->rx_fcb_head[i]); 2684 *txrx_ptrs++ = (void *)TRC_POINTER(tp->rx_bdb_head[i]); 2685 } 2686 2687 /* Initialize Receive Queue Pointers that are NOT used to ZERO. */ 2688 for(; i < MAX_RX_QS; i++) 2689 { 2690 *txrx_ptrs++ = (void *)0; 2691 *txrx_ptrs++ = (void *)0; 2692 } 2693 2694 err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_INIT_TX_RX, 0); 2695 2696 return (err); 2697} 2698 2699static int smctr_issue_insert_cmd(struct net_device *dev) 2700{ 2701 int err; 2702 2703 err = smctr_setup_single_cmd(dev, ACB_CMD_INSERT, ACB_SUB_CMD_NOP); 2704 2705 return (err); 2706} 2707 2708static int smctr_issue_read_ring_status_cmd(struct net_device *dev) 2709{ 2710 int err; 2711 2712 if((err = smctr_wait_while_cbusy(dev))) 2713 return (err); 2714 2715 if((err = smctr_wait_cmd(dev))) 2716 return (err); 2717 2718 err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_READ_TRC_STATUS, 2719 RW_TRC_STATUS_BLOCK); 2720 2721 return (err); 2722} 2723 2724static int smctr_issue_read_word_cmd(struct net_device *dev, __u16 aword_cnt) 2725{ 2726 int err; 2727 2728 if((err = smctr_wait_while_cbusy(dev))) 2729 return (err); 2730 2731 if((err = smctr_wait_cmd(dev))) 2732 return (err); 2733 2734 err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_READ_VALUE, 2735 aword_cnt); 2736 2737 return (err); 2738} 2739 2740static int smctr_issue_remove_cmd(struct net_device *dev) 2741{ 2742 struct net_local *tp = netdev_priv(dev); 2743 int err; 2744 2745 if((err = smctr_wait_while_cbusy(dev))) 2746 return (err); 2747 2748 tp->sclb_ptr->resume_control = 0; 2749 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_REMOVE; 2750 2751 smctr_set_ctrl_attention(dev); 2752 2753 return (0); 2754} 2755 2756static int smctr_issue_resume_acb_cmd(struct net_device *dev) 2757{ 2758 struct net_local *tp = netdev_priv(dev); 2759 int err; 2760 2761 if((err = smctr_wait_while_cbusy(dev))) 2762 return (err); 2763 2764 tp->sclb_ptr->resume_control = SCLB_RC_ACB; 2765 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; 2766 2767 tp->acb_pending = 1; 2768 2769 smctr_set_ctrl_attention(dev); 2770 2771 return (0); 2772} 2773 2774static int smctr_issue_resume_rx_bdb_cmd(struct net_device *dev, __u16 queue) 2775{ 2776 struct net_local *tp = netdev_priv(dev); 2777 int err; 2778 2779 if((err = smctr_wait_while_cbusy(dev))) 2780 return (err); 2781 2782 if(queue == MAC_QUEUE) 2783 tp->sclb_ptr->resume_control = SCLB_RC_RX_MAC_BDB; 2784 else 2785 tp->sclb_ptr->resume_control = SCLB_RC_RX_NON_MAC_BDB; 2786 2787 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; 2788 2789 smctr_set_ctrl_attention(dev); 2790 2791 return (0); 2792} 2793 2794static int smctr_issue_resume_rx_fcb_cmd(struct net_device *dev, __u16 queue) 2795{ 2796 struct net_local *tp = netdev_priv(dev); 2797 2798 if(smctr_debug > 10) 2799 printk(KERN_DEBUG "%s: smctr_issue_resume_rx_fcb_cmd\n", dev->name); 2800 2801 if(smctr_wait_while_cbusy(dev)) 2802 return (-1); 2803 2804 if(queue == MAC_QUEUE) 2805 tp->sclb_ptr->resume_control = SCLB_RC_RX_MAC_FCB; 2806 else 2807 tp->sclb_ptr->resume_control = SCLB_RC_RX_NON_MAC_FCB; 2808 2809 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; 2810 2811 smctr_set_ctrl_attention(dev); 2812 2813 return (0); 2814} 2815 2816static int smctr_issue_resume_tx_fcb_cmd(struct net_device *dev, __u16 queue) 2817{ 2818 struct net_local *tp = netdev_priv(dev); 2819 2820 if(smctr_debug > 10) 2821 printk(KERN_DEBUG "%s: smctr_issue_resume_tx_fcb_cmd\n", dev->name); 2822 2823 if(smctr_wait_while_cbusy(dev)) 2824 return (-1); 2825 2826 tp->sclb_ptr->resume_control = (SCLB_RC_TFCB0 << queue); 2827 tp->sclb_ptr->valid_command = SCLB_RESUME_CONTROL_VALID | SCLB_VALID; 2828 2829 smctr_set_ctrl_attention(dev); 2830 2831 return (0); 2832} 2833 2834static int smctr_issue_test_internal_rom_cmd(struct net_device *dev) 2835{ 2836 int err; 2837 2838 err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, 2839 TRC_INTERNAL_ROM_TEST); 2840 2841 return (err); 2842} 2843 2844static int smctr_issue_test_hic_cmd(struct net_device *dev) 2845{ 2846 int err; 2847 2848 err = smctr_setup_single_cmd(dev, ACB_CMD_HIC_TEST, 2849 TRC_HOST_INTERFACE_REG_TEST); 2850 2851 return (err); 2852} 2853 2854static int smctr_issue_test_mac_reg_cmd(struct net_device *dev) 2855{ 2856 int err; 2857 2858 err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, 2859 TRC_MAC_REGISTERS_TEST); 2860 2861 return (err); 2862} 2863 2864static int smctr_issue_trc_loopback_cmd(struct net_device *dev) 2865{ 2866 int err; 2867 2868 err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, 2869 TRC_INTERNAL_LOOPBACK); 2870 2871 return (err); 2872} 2873 2874static int smctr_issue_tri_loopback_cmd(struct net_device *dev) 2875{ 2876 int err; 2877 2878 err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, 2879 TRC_TRI_LOOPBACK); 2880 2881 return (err); 2882} 2883 2884static int smctr_issue_write_byte_cmd(struct net_device *dev, 2885 short aword_cnt, void *byte) 2886{ 2887 struct net_local *tp = netdev_priv(dev); 2888 unsigned int iword, ibyte; 2889 int err; 2890 2891 if((err = smctr_wait_while_cbusy(dev))) 2892 return (err); 2893 2894 if((err = smctr_wait_cmd(dev))) 2895 return (err); 2896 2897 for(iword = 0, ibyte = 0; iword < (unsigned int)(aword_cnt & 0xff); 2898 iword++, ibyte += 2) 2899 { 2900 tp->misc_command_data[iword] = (*((__u8 *)byte + ibyte) << 8) 2901 | (*((__u8 *)byte + ibyte + 1)); 2902 } 2903 2904 return (smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_WRITE_VALUE, 2905 aword_cnt)); 2906} 2907 2908static int smctr_issue_write_word_cmd(struct net_device *dev, 2909 short aword_cnt, void *word) 2910{ 2911 struct net_local *tp = netdev_priv(dev); 2912 unsigned int i, err; 2913 2914 if((err = smctr_wait_while_cbusy(dev))) 2915 return (err); 2916 2917 if((err = smctr_wait_cmd(dev))) 2918 return (err); 2919 2920 for(i = 0; i < (unsigned int)(aword_cnt & 0xff); i++) 2921 tp->misc_command_data[i] = *((__u16 *)word + i); 2922 2923 err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_WRITE_VALUE, 2924 aword_cnt); 2925 2926 return (err); 2927} 2928 2929static int smctr_join_complete_state(struct net_device *dev) 2930{ 2931 int err; 2932 2933 err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, 2934 JS_JOIN_COMPLETE_STATE); 2935 2936 return (err); 2937} 2938 2939static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev) 2940{ 2941 struct net_local *tp = netdev_priv(dev); 2942 unsigned int i, j; 2943 FCBlock *fcb; 2944 BDBlock *bdb; 2945 2946 for(i = 0; i < NUM_TX_QS_USED; i++) 2947 { 2948 fcb = tp->tx_fcb_head[i]; 2949 bdb = tp->tx_bdb_head[i]; 2950 2951 for(j = 0; j < tp->num_tx_fcbs[i]; j++) 2952 { 2953 fcb->bdb_ptr = bdb; 2954 fcb->trc_bdb_ptr = TRC_POINTER(bdb); 2955 fcb = (FCBlock *)((char *)fcb + sizeof(FCBlock)); 2956 bdb = (BDBlock *)((char *)bdb + sizeof(BDBlock)); 2957 } 2958 } 2959 2960 return (0); 2961} 2962 2963static int smctr_load_firmware(struct net_device *dev) 2964{ 2965 struct net_local *tp = netdev_priv(dev); 2966 __u16 i, checksum = 0; 2967 int err = 0; 2968 2969 if(smctr_debug > 10) 2970 printk(KERN_DEBUG "%s: smctr_load_firmware\n", dev->name); 2971 2972 tp->ptr_ucode = smctr_code; 2973 tp->num_of_tx_buffs = 4; 2974 tp->mode_bits |= UMAC; 2975 tp->receive_mask = 0; 2976 tp->max_packet_size = 4177; 2977 2978 /* Can only upload the firmware once per adapter reset. */ 2979 if(tp->microcode_version != 0) 2980 return (UCODE_PRESENT); 2981 2982 /* Verify the firmware exists and is there in the right amount. */ 2983 if((tp->ptr_ucode == 0L) 2984 || (*(tp->ptr_ucode + UCODE_VERSION_OFFSET) < UCODE_VERSION)) 2985 { 2986 return (UCODE_NOT_PRESENT); 2987 } 2988 2989 /* UCODE_SIZE is not included in Checksum. */ 2990 for(i = 0; i < *((__u16 *)(tp->ptr_ucode + UCODE_SIZE_OFFSET)); i += 2) 2991 checksum += *((__u16 *)(tp->ptr_ucode + 2 + i)); 2992 if(checksum) 2993 return (UCODE_NOT_PRESENT); 2994 2995 /* At this point we have a valid firmware image, lets kick it on up. */ 2996 smctr_enable_adapter_ram(dev); 2997 smctr_enable_16bit(dev); 2998 smctr_set_page(dev, (__u8 *)tp->ram_access); 2999 3000 if((smctr_checksum_firmware(dev)) 3001 || (*(tp->ptr_ucode + UCODE_VERSION_OFFSET) 3002 > tp->microcode_version)) 3003 { 3004 smctr_enable_adapter_ctrl_store(dev); 3005 3006 /* Zero out ram space for firmware. */ 3007 for(i = 0; i < CS_RAM_SIZE; i += 2) 3008 *((__u16 *)(tp->ram_access + i)) = 0; 3009 3010 smctr_decode_firmware(dev); 3011 3012 tp->microcode_version = *(tp->ptr_ucode + UCODE_VERSION_OFFSET); *((__u16 *)(tp->ram_access + CS_RAM_VERSION_OFFSET)) 3013 = (tp->microcode_version << 8); 3014 *((__u16 *)(tp->ram_access + CS_RAM_CHECKSUM_OFFSET)) 3015 = ~(tp->microcode_version << 8) + 1; 3016 3017 smctr_disable_adapter_ctrl_store(dev); 3018 3019 if(smctr_checksum_firmware(dev)) 3020 err = HARDWARE_FAILED; 3021 } 3022 else 3023 err = UCODE_PRESENT; 3024 3025 smctr_disable_16bit(dev); 3026 3027 return (err); 3028} 3029 3030static int smctr_load_node_addr(struct net_device *dev) 3031{ 3032 int ioaddr = dev->base_addr; 3033 unsigned int i; 3034 __u8 r; 3035 3036 for(i = 0; i < 6; i++) 3037 { 3038 r = inb(ioaddr + LAR0 + i); 3039 dev->dev_addr[i] = (char)r; 3040 } 3041 dev->addr_len = 6; 3042 3043 return (0); 3044} 3045 3046/* Lobe Media Test. 3047 * During the transmission of the initial 1500 lobe media MAC frames, 3048 * the phase lock loop in the 805 chip may lock, and then un-lock, causing 3049 * the 825 to go into a PURGE state. When performing a PURGE, the MCT 3050 * microcode will not transmit any frames given to it by the host, and 3051 * will consequently cause a timeout. 3052 * 3053 * NOTE 1: If the monitor_state is MS_BEACON_TEST_STATE, all transmit 3054 * queues other then the one used for the lobe_media_test should be 3055 * disabled.!? 3056 * 3057 * NOTE 2: If the monitor_state is MS_BEACON_TEST_STATE and the receive_mask 3058 * has any multi-cast or promiscous bits set, the receive_mask needs to 3059 * be changed to clear the multi-cast or promiscous mode bits, the lobe_test 3060 * run, and then the receive mask set back to its original value if the test 3061 * is successful. 3062 */ 3063static int smctr_lobe_media_test(struct net_device *dev) 3064{ 3065 struct net_local *tp = netdev_priv(dev); 3066 unsigned int i, perror = 0; 3067 unsigned short saved_rcv_mask; 3068 3069 if(smctr_debug > 10) 3070 printk(KERN_DEBUG "%s: smctr_lobe_media_test\n", dev->name); 3071 3072 /* Clear receive mask for lobe test. */ 3073 saved_rcv_mask = tp->receive_mask; 3074 tp->receive_mask = 0; 3075 3076 smctr_chg_rx_mask(dev); 3077 3078 /* Setup the lobe media test. */ 3079 smctr_lobe_media_test_cmd(dev); 3080 if(smctr_wait_cmd(dev)) 3081 { 3082 smctr_reset_adapter(dev); 3083 tp->status = CLOSED; 3084 return (LOBE_MEDIA_TEST_FAILED); 3085 } 3086 3087 /* Tx lobe media test frames. */ 3088 for(i = 0; i < 1500; ++i) 3089 { 3090 if(smctr_send_lobe_media_test(dev)) 3091 { 3092 if(perror) 3093 { 3094 smctr_reset_adapter(dev); 3095 tp->state = CLOSED; 3096 return (LOBE_MEDIA_TEST_FAILED); 3097 } 3098 else 3099 { 3100 perror = 1; 3101 if(smctr_lobe_media_test_cmd(dev)) 3102 { 3103 smctr_reset_adapter(dev); 3104 tp->state = CLOSED; 3105 return (LOBE_MEDIA_TEST_FAILED); 3106 } 3107 } 3108 } 3109 } 3110 3111 if(smctr_send_dat(dev)) 3112 { 3113 if(smctr_send_dat(dev)) 3114 { 3115 smctr_reset_adapter(dev); 3116 tp->state = CLOSED; 3117 return (LOBE_MEDIA_TEST_FAILED); 3118 } 3119 } 3120 3121 /* Check if any frames received during test. */ 3122 if((tp->rx_fcb_curr[MAC_QUEUE]->frame_status) 3123 || (tp->rx_fcb_curr[NON_MAC_QUEUE]->frame_status)) 3124 { 3125 smctr_reset_adapter(dev); 3126 tp->state = CLOSED; 3127 return (LOBE_MEDIA_TEST_FAILED); 3128 } 3129 3130 /* Set receive mask to "Promisc" mode. */ 3131 tp->receive_mask = saved_rcv_mask; 3132 3133 smctr_chg_rx_mask(dev); 3134 3135 return (0); 3136} 3137 3138static int smctr_lobe_media_test_cmd(struct net_device *dev) 3139{ 3140 struct net_local *tp = netdev_priv(dev); 3141 int err; 3142 3143 if(smctr_debug > 10) 3144 printk(KERN_DEBUG "%s: smctr_lobe_media_test_cmd\n", dev->name); 3145 3146 /* Change to lobe media test state. */ 3147 if(tp->monitor_state != MS_BEACON_TEST_STATE) 3148 { 3149 smctr_lobe_media_test_state(dev); 3150 if(smctr_wait_cmd(dev)) 3151 { 3152 printk(KERN_ERR "Lobe Failed test state\n"); 3153 return (LOBE_MEDIA_TEST_FAILED); 3154 } 3155 } 3156 3157 err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, 3158 TRC_LOBE_MEDIA_TEST); 3159 3160 return (err); 3161} 3162 3163static int smctr_lobe_media_test_state(struct net_device *dev) 3164{ 3165 int err; 3166 3167 err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, 3168 JS_LOBE_TEST_STATE); 3169 3170 return (err); 3171} 3172 3173static int smctr_make_8025_hdr(struct net_device *dev, 3174 MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc) 3175{ 3176 tmf->ac = MSB(ac_fc); /* msb is access control */ 3177 tmf->fc = LSB(ac_fc); /* lsb is frame control */ 3178 3179 tmf->sa[0] = dev->dev_addr[0]; 3180 tmf->sa[1] = dev->dev_addr[1]; 3181 tmf->sa[2] = dev->dev_addr[2]; 3182 tmf->sa[3] = dev->dev_addr[3]; 3183 tmf->sa[4] = dev->dev_addr[4]; 3184 tmf->sa[5] = dev->dev_addr[5]; 3185 3186 switch(tmf->vc) 3187 { 3188 /* Send RQ_INIT to RPS */ 3189 case RQ_INIT: 3190 tmf->da[0] = 0xc0; 3191 tmf->da[1] = 0x00; 3192 tmf->da[2] = 0x00; 3193 tmf->da[3] = 0x00; 3194 tmf->da[4] = 0x00; 3195 tmf->da[5] = 0x02; 3196 break; 3197 3198 /* Send RPT_TX_FORWARD to CRS */ 3199 case RPT_TX_FORWARD: 3200 tmf->da[0] = 0xc0; 3201 tmf->da[1] = 0x00; 3202 tmf->da[2] = 0x00; 3203 tmf->da[3] = 0x00; 3204 tmf->da[4] = 0x00; 3205 tmf->da[5] = 0x10; 3206 break; 3207 3208 /* Everything else goes to sender */ 3209 default: 3210 tmf->da[0] = rmf->sa[0]; 3211 tmf->da[1] = rmf->sa[1]; 3212 tmf->da[2] = rmf->sa[2]; 3213 tmf->da[3] = rmf->sa[3]; 3214 tmf->da[4] = rmf->sa[4]; 3215 tmf->da[5] = rmf->sa[5]; 3216 break; 3217 } 3218 3219 return (0); 3220} 3221 3222static int smctr_make_access_pri(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3223{ 3224 struct net_local *tp = netdev_priv(dev); 3225 3226 tsv->svi = AUTHORIZED_ACCESS_PRIORITY; 3227 tsv->svl = S_AUTHORIZED_ACCESS_PRIORITY; 3228 3229 tsv->svv[0] = MSB(tp->authorized_access_priority); 3230 tsv->svv[1] = LSB(tp->authorized_access_priority); 3231 3232 return (0); 3233} 3234 3235static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3236{ 3237 tsv->svi = ADDRESS_MODIFER; 3238 tsv->svl = S_ADDRESS_MODIFER; 3239 3240 tsv->svv[0] = 0; 3241 tsv->svv[1] = 0; 3242 3243 return (0); 3244} 3245 3246static int smctr_make_auth_funct_class(struct net_device *dev, 3247 MAC_SUB_VECTOR *tsv) 3248{ 3249 struct net_local *tp = netdev_priv(dev); 3250 3251 tsv->svi = AUTHORIZED_FUNCTION_CLASS; 3252 tsv->svl = S_AUTHORIZED_FUNCTION_CLASS; 3253 3254 tsv->svv[0] = MSB(tp->authorized_function_classes); 3255 tsv->svv[1] = LSB(tp->authorized_function_classes); 3256 3257 return (0); 3258} 3259 3260static int smctr_make_corr(struct net_device *dev, 3261 MAC_SUB_VECTOR *tsv, __u16 correlator) 3262{ 3263 tsv->svi = CORRELATOR; 3264 tsv->svl = S_CORRELATOR; 3265 3266 tsv->svv[0] = MSB(correlator); 3267 tsv->svv[1] = LSB(correlator); 3268 3269 return (0); 3270} 3271 3272static int smctr_make_funct_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3273{ 3274 struct net_local *tp = netdev_priv(dev); 3275 3276 smctr_get_functional_address(dev); 3277 3278 tsv->svi = FUNCTIONAL_ADDRESS; 3279 tsv->svl = S_FUNCTIONAL_ADDRESS; 3280 3281 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3282 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3283 3284 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3285 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3286 3287 return (0); 3288} 3289 3290static int smctr_make_group_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3291{ 3292 struct net_local *tp = netdev_priv(dev); 3293 3294 smctr_get_group_address(dev); 3295 3296 tsv->svi = GROUP_ADDRESS; 3297 tsv->svl = S_GROUP_ADDRESS; 3298 3299 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3300 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3301 3302 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3303 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3304 3305 /* Set Group Address Sub-vector to all zeros if only the 3306 * Group Address/Functional Address Indicator is set. 3307 */ 3308 if(tsv->svv[0] == 0x80 && tsv->svv[1] == 0x00 3309 && tsv->svv[2] == 0x00 && tsv->svv[3] == 0x00) 3310 tsv->svv[0] = 0x00; 3311 3312 return (0); 3313} 3314 3315static int smctr_make_phy_drop_num(struct net_device *dev, 3316 MAC_SUB_VECTOR *tsv) 3317{ 3318 struct net_local *tp = netdev_priv(dev); 3319 3320 smctr_get_physical_drop_number(dev); 3321 3322 tsv->svi = PHYSICAL_DROP; 3323 tsv->svl = S_PHYSICAL_DROP; 3324 3325 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3326 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3327 3328 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3329 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3330 3331 return (0); 3332} 3333 3334static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3335{ 3336 int i; 3337 3338 tsv->svi = PRODUCT_INSTANCE_ID; 3339 tsv->svl = S_PRODUCT_INSTANCE_ID; 3340 3341 for(i = 0; i < 18; i++) 3342 tsv->svv[i] = 0xF0; 3343 3344 return (0); 3345} 3346 3347static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3348{ 3349 struct net_local *tp = netdev_priv(dev); 3350 3351 smctr_get_station_id(dev); 3352 3353 tsv->svi = STATION_IDENTIFER; 3354 tsv->svl = S_STATION_IDENTIFER; 3355 3356 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3357 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3358 3359 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3360 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3361 3362 tsv->svv[4] = MSB(tp->misc_command_data[2]); 3363 tsv->svv[5] = LSB(tp->misc_command_data[2]); 3364 3365 return (0); 3366} 3367 3368static int smctr_make_ring_station_status(struct net_device *dev, 3369 MAC_SUB_VECTOR * tsv) 3370{ 3371 tsv->svi = RING_STATION_STATUS; 3372 tsv->svl = S_RING_STATION_STATUS; 3373 3374 tsv->svv[0] = 0; 3375 tsv->svv[1] = 0; 3376 tsv->svv[2] = 0; 3377 tsv->svv[3] = 0; 3378 tsv->svv[4] = 0; 3379 tsv->svv[5] = 0; 3380 3381 return (0); 3382} 3383 3384static int smctr_make_ring_station_version(struct net_device *dev, 3385 MAC_SUB_VECTOR *tsv) 3386{ 3387 struct net_local *tp = netdev_priv(dev); 3388 3389 tsv->svi = RING_STATION_VERSION_NUMBER; 3390 tsv->svl = S_RING_STATION_VERSION_NUMBER; 3391 3392 tsv->svv[0] = 0xe2; /* EBCDIC - S */ 3393 tsv->svv[1] = 0xd4; /* EBCDIC - M */ 3394 tsv->svv[2] = 0xc3; /* EBCDIC - C */ 3395 tsv->svv[3] = 0x40; /* EBCDIC - */ 3396 tsv->svv[4] = 0xe5; /* EBCDIC - V */ 3397 tsv->svv[5] = 0xF0 + (tp->microcode_version >> 4); 3398 tsv->svv[6] = 0xF0 + (tp->microcode_version & 0x0f); 3399 tsv->svv[7] = 0x40; /* EBCDIC - */ 3400 tsv->svv[8] = 0xe7; /* EBCDIC - X */ 3401 3402 if(tp->extra_info & CHIP_REV_MASK) 3403 tsv->svv[9] = 0xc5; /* EBCDIC - E */ 3404 else 3405 tsv->svv[9] = 0xc4; /* EBCDIC - D */ 3406 3407 return (0); 3408} 3409 3410static int smctr_make_tx_status_code(struct net_device *dev, 3411 MAC_SUB_VECTOR *tsv, __u16 tx_fstatus) 3412{ 3413 tsv->svi = TRANSMIT_STATUS_CODE; 3414 tsv->svl = S_TRANSMIT_STATUS_CODE; 3415 3416 tsv->svv[0] = ((tx_fstatus & 0x0100 >> 6) || IBM_PASS_SOURCE_ADDR); 3417 3418 /* Stripped frame status of Transmitted Frame */ 3419 tsv->svv[1] = tx_fstatus & 0xff; 3420 3421 return (0); 3422} 3423 3424static int smctr_make_upstream_neighbor_addr(struct net_device *dev, 3425 MAC_SUB_VECTOR *tsv) 3426{ 3427 struct net_local *tp = netdev_priv(dev); 3428 3429 smctr_get_upstream_neighbor_addr(dev); 3430 3431 tsv->svi = UPSTREAM_NEIGHBOR_ADDRESS; 3432 tsv->svl = S_UPSTREAM_NEIGHBOR_ADDRESS; 3433 3434 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3435 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3436 3437 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3438 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3439 3440 tsv->svv[4] = MSB(tp->misc_command_data[2]); 3441 tsv->svv[5] = LSB(tp->misc_command_data[2]); 3442 3443 return (0); 3444} 3445 3446static int smctr_make_wrap_data(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3447{ 3448 tsv->svi = WRAP_DATA; 3449 tsv->svl = S_WRAP_DATA; 3450 3451 return (0); 3452} 3453 3454/* 3455 * Open/initialize the board. This is called sometime after 3456 * booting when the 'ifconfig' program is run. 3457 * 3458 * This routine should set everything up anew at each open, even 3459 * registers that "should" only need to be set once at boot, so that 3460 * there is non-reboot way to recover if something goes wrong. 3461 */ 3462static int smctr_open(struct net_device *dev) 3463{ 3464 int err; 3465 3466 if(smctr_debug > 10) 3467 printk(KERN_DEBUG "%s: smctr_open\n", dev->name); 3468 3469 err = smctr_init_adapter(dev); 3470 if(err < 0) 3471 return (err); 3472 3473 return (err); 3474} 3475 3476/* Interrupt driven open of Token card. */ 3477static int smctr_open_tr(struct net_device *dev) 3478{ 3479 struct net_local *tp = netdev_priv(dev); 3480 unsigned long flags; 3481 int err; 3482 3483 if(smctr_debug > 10) 3484 printk(KERN_DEBUG "%s: smctr_open_tr\n", dev->name); 3485 3486 /* Now we can actually open the adapter. */ 3487 if(tp->status == OPEN) 3488 return (0); 3489 if(tp->status != INITIALIZED) 3490 return (-1); 3491 3492 spin_lock_irqsave(&tp->lock, flags); 3493 3494 smctr_set_page(dev, (__u8 *)tp->ram_access); 3495 3496 if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)MAC_QUEUE))) 3497 goto out; 3498 3499 if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)MAC_QUEUE))) 3500 goto out; 3501 3502 if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)NON_MAC_QUEUE))) 3503 goto out; 3504 3505 if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)NON_MAC_QUEUE))) 3506 goto out; 3507 3508 tp->status = CLOSED; 3509 3510 /* Insert into the Ring or Enter Loopback Mode. */ 3511 if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_1) 3512 { 3513 tp->status = CLOSED; 3514 3515 if(!(err = smctr_issue_trc_loopback_cmd(dev))) 3516 { 3517 if(!(err = smctr_wait_cmd(dev))) 3518 tp->status = OPEN; 3519 } 3520 3521 smctr_status_chg(dev); 3522 } 3523 else 3524 { 3525 if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_2) 3526 { 3527 tp->status = CLOSED; 3528 if(!(err = smctr_issue_tri_loopback_cmd(dev))) 3529 { 3530 if(!(err = smctr_wait_cmd(dev))) 3531 tp->status = OPEN; 3532 } 3533 3534 smctr_status_chg(dev); 3535 } 3536 else 3537 { 3538 if((tp->mode_bits & LOOPING_MODE_MASK) 3539 == LOOPBACK_MODE_3) 3540 { 3541 tp->status = CLOSED; 3542 if(!(err = smctr_lobe_media_test_cmd(dev))) 3543 { 3544 if(!(err = smctr_wait_cmd(dev))) 3545 tp->status = OPEN; 3546 } 3547 smctr_status_chg(dev); 3548 } 3549 else 3550 { 3551 if(!(err = smctr_lobe_media_test(dev))) 3552 err = smctr_issue_insert_cmd(dev); 3553 else 3554 { 3555 if(err == LOBE_MEDIA_TEST_FAILED) 3556 printk(KERN_WARNING "%s: Lobe Media Test Failure - Check cable?\n", dev->name); 3557 } 3558 } 3559 } 3560 } 3561 3562out: 3563 spin_unlock_irqrestore(&tp->lock, flags); 3564 3565 return (err); 3566} 3567 3568/* Check for a network adapter of this type, 3569 * and return device structure if one exists. 3570 */ 3571struct net_device __init *smctr_probe(int unit) 3572{ 3573 struct net_device *dev = alloc_trdev(sizeof(struct net_local)); 3574 static const unsigned ports[] = { 3575 0x200, 0x220, 0x240, 0x260, 0x280, 0x2A0, 0x2C0, 0x2E0, 0x300, 3576 0x320, 0x340, 0x360, 0x380, 0 3577 }; 3578 const unsigned *port; 3579 int err = 0; 3580 3581 if (!dev) 3582 return ERR_PTR(-ENOMEM); 3583 3584 SET_MODULE_OWNER(dev); 3585 3586 if (unit >= 0) { 3587 sprintf(dev->name, "tr%d", unit); 3588 netdev_boot_setup_check(dev); 3589 } 3590 3591 if (dev->base_addr > 0x1ff) /* Check a single specified location. */ 3592 err = smctr_probe1(dev, dev->base_addr); 3593 else if(dev->base_addr != 0) /* Don't probe at all. */ 3594 err =-ENXIO; 3595 else { 3596 for (port = ports; *port; port++) { 3597 err = smctr_probe1(dev, *port); 3598 if (!err) 3599 break; 3600 } 3601 } 3602 if (err) 3603 goto out; 3604 err = register_netdev(dev); 3605 if (err) 3606 goto out1; 3607 return dev; 3608out1: 3609#ifdef CONFIG_MCA_LEGACY 3610 { struct net_local *tp = netdev_priv(dev); 3611 if (tp->slot_num) 3612 mca_mark_as_unused(tp->slot_num); 3613 } 3614#endif 3615 release_region(dev->base_addr, SMCTR_IO_EXTENT); 3616 free_irq(dev->irq, dev); 3617out: 3618 free_netdev(dev); 3619 return ERR_PTR(err); 3620} 3621 3622 3623static int __init smctr_probe1(struct net_device *dev, int ioaddr) 3624{ 3625 static unsigned version_printed; 3626 struct net_local *tp = netdev_priv(dev); 3627 int err; 3628 __u32 *ram; 3629 3630 if(smctr_debug && version_printed++ == 0) 3631 printk(version); 3632 3633 spin_lock_init(&tp->lock); 3634 dev->base_addr = ioaddr; 3635 3636 /* Actually detect an adapter now. */ 3637 err = smctr_chk_isa(dev); 3638 if(err < 0) 3639 { 3640 if ((err = smctr_chk_mca(dev)) < 0) { 3641 err = -ENODEV; 3642 goto out; 3643 } 3644 } 3645 3646 tp = netdev_priv(dev); 3647 dev->mem_start = tp->ram_base; 3648 dev->mem_end = dev->mem_start + 0x10000; 3649 ram = (__u32 *)phys_to_virt(dev->mem_start); 3650 tp->ram_access = *(__u32 *)&ram; 3651 tp->status = NOT_INITIALIZED; 3652 3653 err = smctr_load_firmware(dev); 3654 if(err != UCODE_PRESENT && err != SUCCESS) 3655 { 3656 printk(KERN_ERR "%s: Firmware load failed (%d)\n", dev->name, err); 3657 err = -EIO; 3658 goto out; 3659 } 3660 3661 /* Allow user to specify ring speed on module insert. */ 3662 if(ringspeed == 4) 3663 tp->media_type = MEDIA_UTP_4; 3664 else 3665 tp->media_type = MEDIA_UTP_16; 3666 3667 printk(KERN_INFO "%s: %s %s at Io %#4x, Irq %d, Rom %#4x, Ram %#4x.\n", 3668 dev->name, smctr_name, smctr_model, 3669 (unsigned int)dev->base_addr, 3670 dev->irq, tp->rom_base, tp->ram_base); 3671 3672 dev->open = smctr_open; 3673 dev->stop = smctr_close; 3674 dev->hard_start_xmit = smctr_send_packet; 3675 dev->tx_timeout = smctr_timeout; 3676 dev->watchdog_timeo = HZ; 3677 dev->get_stats = smctr_get_stats; 3678 dev->set_multicast_list = &smctr_set_multicast_list; 3679 return (0); 3680 3681out: 3682 return err; 3683} 3684 3685static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size, 3686 struct net_device *dev, __u16 rx_status) 3687{ 3688 struct net_local *tp = netdev_priv(dev); 3689 struct sk_buff *skb; 3690 __u16 rcode, correlator; 3691 int err = 0; 3692 __u8 xframe = 1; 3693 __u16 tx_fstatus; 3694 3695 rmf->vl = SWAP_BYTES(rmf->vl); 3696 if(rx_status & FCB_RX_STATUS_DA_MATCHED) 3697 { 3698 switch(rmf->vc) 3699 { 3700 /* Received MAC Frames Processed by RS. */ 3701 case INIT: 3702 if((rcode = smctr_rcv_init(dev, rmf, &correlator)) == HARDWARE_FAILED) 3703 { 3704 return (rcode); 3705 } 3706 3707 if((err = smctr_send_rsp(dev, rmf, rcode, 3708 correlator))) 3709 { 3710 return (err); 3711 } 3712 break; 3713 3714 case CHG_PARM: 3715 if((rcode = smctr_rcv_chg_param(dev, rmf, 3716 &correlator)) ==HARDWARE_FAILED) 3717 { 3718 return (rcode); 3719 } 3720 3721 if((err = smctr_send_rsp(dev, rmf, rcode, 3722 correlator))) 3723 { 3724 return (err); 3725 } 3726 break; 3727 3728 case RQ_ADDR: 3729 if((rcode = smctr_rcv_rq_addr_state_attch(dev, 3730 rmf, &correlator)) != POSITIVE_ACK) 3731 { 3732 if(rcode == HARDWARE_FAILED) 3733 return (rcode); 3734 else 3735 return (smctr_send_rsp(dev, rmf, 3736 rcode, correlator)); 3737 } 3738 3739 if((err = smctr_send_rpt_addr(dev, rmf, 3740 correlator))) 3741 { 3742 return (err); 3743 } 3744 break; 3745 3746 case RQ_ATTCH: 3747 if((rcode = smctr_rcv_rq_addr_state_attch(dev, 3748 rmf, &correlator)) != POSITIVE_ACK) 3749 { 3750 if(rcode == HARDWARE_FAILED) 3751 return (rcode); 3752 else 3753 return (smctr_send_rsp(dev, rmf, 3754 rcode, 3755 correlator)); 3756 } 3757 3758 if((err = smctr_send_rpt_attch(dev, rmf, 3759 correlator))) 3760 { 3761 return (err); 3762 } 3763 break; 3764 3765 case RQ_STATE: 3766 if((rcode = smctr_rcv_rq_addr_state_attch(dev, 3767 rmf, &correlator)) != POSITIVE_ACK) 3768 { 3769 if(rcode == HARDWARE_FAILED) 3770 return (rcode); 3771 else 3772 return (smctr_send_rsp(dev, rmf, 3773 rcode, 3774 correlator)); 3775 } 3776 3777 if((err = smctr_send_rpt_state(dev, rmf, 3778 correlator))) 3779 { 3780 return (err); 3781 } 3782 break; 3783 3784 case TX_FORWARD: 3785 if((rcode = smctr_rcv_tx_forward(dev, rmf)) 3786 != POSITIVE_ACK) 3787 { 3788 if(rcode == HARDWARE_FAILED) 3789 return (rcode); 3790 else 3791 return (smctr_send_rsp(dev, rmf, 3792 rcode, 3793 correlator)); 3794 } 3795 3796 if((err = smctr_send_tx_forward(dev, rmf, 3797 &tx_fstatus)) == HARDWARE_FAILED) 3798 { 3799 return (err); 3800 } 3801 3802 if(err == A_FRAME_WAS_FORWARDED) 3803 { 3804 if((err = smctr_send_rpt_tx_forward(dev, 3805 rmf, tx_fstatus)) 3806 == HARDWARE_FAILED) 3807 { 3808 return (err); 3809 } 3810 } 3811 break; 3812 3813 /* Received MAC Frames Processed by CRS/REM/RPS. */ 3814 case RSP: 3815 case RQ_INIT: 3816 case RPT_NEW_MON: 3817 case RPT_SUA_CHG: 3818 case RPT_ACTIVE_ERR: 3819 case RPT_NN_INCMP: 3820 case RPT_ERROR: 3821 case RPT_ATTCH: 3822 case RPT_STATE: 3823 case RPT_ADDR: 3824 break; 3825 3826 /* Rcvd Att. MAC Frame (if RXATMAC set) or UNKNOWN */ 3827 default: 3828 xframe = 0; 3829 if(!(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES)) 3830 { 3831 rcode = smctr_rcv_unknown(dev, rmf, 3832 &correlator); 3833 if((err = smctr_send_rsp(dev, rmf,rcode, 3834 correlator))) 3835 { 3836 return (err); 3837 } 3838 } 3839 3840 break; 3841 } 3842 } 3843 else 3844 { 3845 /* 1. DA doesn't match (Promiscuous Mode). 3846 * 2. Parse for Extended MAC Frame Type. 3847 */ 3848 switch(rmf->vc) 3849 { 3850 case RSP: 3851 case INIT: 3852 case RQ_INIT: 3853 case RQ_ADDR: 3854 case RQ_ATTCH: 3855 case RQ_STATE: 3856 case CHG_PARM: 3857 case RPT_ADDR: 3858 case RPT_ERROR: 3859 case RPT_ATTCH: 3860 case RPT_STATE: 3861 case RPT_NEW_MON: 3862 case RPT_SUA_CHG: 3863 case RPT_NN_INCMP: 3864 case RPT_ACTIVE_ERR: 3865 break; 3866 3867 default: 3868 xframe = 0; 3869 break; 3870 } 3871 } 3872 3873 /* NOTE: UNKNOWN MAC frames will NOT be passed up unless 3874 * ACCEPT_ATT_MAC_FRAMES is set. 3875 */ 3876 if(((tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) 3877 && (xframe == (__u8)0)) 3878 || ((tp->receive_mask & ACCEPT_EXT_MAC_FRAMES) 3879 && (xframe == (__u8)1))) 3880 { 3881 rmf->vl = SWAP_BYTES(rmf->vl); 3882 3883 if (!(skb = dev_alloc_skb(size))) 3884 return -ENOMEM; 3885 skb->len = size; 3886 3887 /* Slide data into a sleek skb. */ 3888 skb_put(skb, skb->len); 3889 skb_copy_to_linear_data(skb, rmf, skb->len); 3890 3891 /* Update Counters */ 3892 tp->MacStat.rx_packets++; 3893 tp->MacStat.rx_bytes += skb->len; 3894 3895 /* Kick the packet on up. */ 3896 skb->protocol = tr_type_trans(skb, dev); 3897 netif_rx(skb); 3898 dev->last_rx = jiffies; 3899 err = 0; 3900 } 3901 3902 return (err); 3903} 3904 3905/* Adapter RAM test. Incremental word ODD boundary data test. */ 3906static int smctr_ram_memory_test(struct net_device *dev) 3907{ 3908 struct net_local *tp = netdev_priv(dev); 3909 __u16 page, pages_of_ram, start_pattern = 0, word_pattern = 0, 3910 word_read = 0, err_word = 0, err_pattern = 0; 3911 unsigned int err_offset; 3912 __u32 j, pword; 3913 __u8 err = 0; 3914 3915 if(smctr_debug > 10) 3916 printk(KERN_DEBUG "%s: smctr_ram_memory_test\n", dev->name); 3917 3918 start_pattern = 0x0001; 3919 pages_of_ram = tp->ram_size / tp->ram_usable; 3920 pword = tp->ram_access; 3921 3922 /* Incremental word ODD boundary test. */ 3923 for(page = 0; (page < pages_of_ram) && (~err); 3924 page++, start_pattern += 0x8000) 3925 { 3926 smctr_set_page(dev, (__u8 *)(tp->ram_access 3927 + (page * tp->ram_usable * 1024) + 1)); 3928 word_pattern = start_pattern; 3929 3930 for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1; j += 2) 3931 *(__u16 *)(pword + j) = word_pattern++; 3932 3933 word_pattern = start_pattern; 3934 3935 for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1 3936 && (~err); j += 2, word_pattern++) 3937 { 3938 word_read = *(__u16 *)(pword + j); 3939 if(word_read != word_pattern) 3940 { 3941 err = (__u8)1; 3942 err_offset = j; 3943 err_word = word_read; 3944 err_pattern = word_pattern; 3945 return (RAM_TEST_FAILED); 3946 } 3947 } 3948 } 3949 3950 /* Zero out memory. */ 3951 for(page = 0; page < pages_of_ram && (~err); page++) 3952 { 3953 smctr_set_page(dev, (__u8 *)(tp->ram_access 3954 + (page * tp->ram_usable * 1024))); 3955 word_pattern = 0; 3956 3957 for(j = 0; j < (__u32)tp->ram_usable * 1024; j +=2) 3958 *(__u16 *)(pword + j) = word_pattern; 3959 3960 for(j =0; j < (__u32)tp->ram_usable * 1024 3961 && (~err); j += 2) 3962 { 3963 word_read = *(__u16 *)(pword + j); 3964 if(word_read != word_pattern) 3965 { 3966 err = (__u8)1; 3967 err_offset = j; 3968 err_word = word_read; 3969 err_pattern = word_pattern; 3970 return (RAM_TEST_FAILED); 3971 } 3972 } 3973 } 3974 3975 smctr_set_page(dev, (__u8 *)tp->ram_access); 3976 3977 return (0); 3978} 3979 3980static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf, 3981 __u16 *correlator) 3982{ 3983 MAC_SUB_VECTOR *rsv; 3984 signed short vlen; 3985 __u16 rcode = POSITIVE_ACK; 3986 unsigned int svectors = F_NO_SUB_VECTORS_FOUND; 3987 3988 /* This Frame can only come from a CRS */ 3989 if((rmf->dc_sc & SC_MASK) != SC_CRS) 3990 return(E_INAPPROPRIATE_SOURCE_CLASS); 3991 3992 /* Remove MVID Length from total length. */ 3993 vlen = (signed short)rmf->vl - 4; 3994 3995 /* Point to First SVID */ 3996 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 3997 3998 /* Search for Appropriate SVID's. */ 3999 while((vlen > 0) && (rcode == POSITIVE_ACK)) 4000 { 4001 switch(rsv->svi) 4002 { 4003 case CORRELATOR: 4004 svectors |= F_CORRELATOR; 4005 rcode = smctr_set_corr(dev, rsv, correlator); 4006 break; 4007 4008 case LOCAL_RING_NUMBER: 4009 svectors |= F_LOCAL_RING_NUMBER; 4010 rcode = smctr_set_local_ring_num(dev, rsv); 4011 break; 4012 4013 case ASSIGN_PHYSICAL_DROP: 4014 svectors |= F_ASSIGN_PHYSICAL_DROP; 4015 rcode = smctr_set_phy_drop(dev, rsv); 4016 break; 4017 4018 case ERROR_TIMER_VALUE: 4019 svectors |= F_ERROR_TIMER_VALUE; 4020 rcode = smctr_set_error_timer_value(dev, rsv); 4021 break; 4022 4023 case AUTHORIZED_FUNCTION_CLASS: 4024 svectors |= F_AUTHORIZED_FUNCTION_CLASS; 4025 rcode = smctr_set_auth_funct_class(dev, rsv); 4026 break; 4027 4028 case AUTHORIZED_ACCESS_PRIORITY: 4029 svectors |= F_AUTHORIZED_ACCESS_PRIORITY; 4030 rcode = smctr_set_auth_access_pri(dev, rsv); 4031 break; 4032 4033 default: 4034 rcode = E_SUB_VECTOR_UNKNOWN; 4035 break; 4036 } 4037 4038 /* Let Sender Know if SUM of SV length's is 4039 * larger then length in MVID length field 4040 */ 4041 if((vlen -= rsv->svl) < 0) 4042 rcode = E_VECTOR_LENGTH_ERROR; 4043 4044 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4045 } 4046 4047 if(rcode == POSITIVE_ACK) 4048 { 4049 /* Let Sender Know if MVID length field 4050 * is larger then SUM of SV length's 4051 */ 4052 if(vlen != 0) 4053 rcode = E_VECTOR_LENGTH_ERROR; 4054 else 4055 { 4056 /* Let Sender Know if Expected SVID Missing */ 4057 if((svectors & R_CHG_PARM) ^ R_CHG_PARM) 4058 rcode = E_MISSING_SUB_VECTOR; 4059 } 4060 } 4061 4062 return (rcode); 4063} 4064 4065static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf, 4066 __u16 *correlator) 4067{ 4068 MAC_SUB_VECTOR *rsv; 4069 signed short vlen; 4070 __u16 rcode = POSITIVE_ACK; 4071 unsigned int svectors = F_NO_SUB_VECTORS_FOUND; 4072 4073 /* This Frame can only come from a RPS */ 4074 if((rmf->dc_sc & SC_MASK) != SC_RPS) 4075 return (E_INAPPROPRIATE_SOURCE_CLASS); 4076 4077 /* Remove MVID Length from total length. */ 4078 vlen = (signed short)rmf->vl - 4; 4079 4080 /* Point to First SVID */ 4081 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4082 4083 /* Search for Appropriate SVID's */ 4084 while((vlen > 0) && (rcode == POSITIVE_ACK)) 4085 { 4086 switch(rsv->svi) 4087 { 4088 case CORRELATOR: 4089 svectors |= F_CORRELATOR; 4090 rcode = smctr_set_corr(dev, rsv, correlator); 4091 break; 4092 4093 case LOCAL_RING_NUMBER: 4094 svectors |= F_LOCAL_RING_NUMBER; 4095 rcode = smctr_set_local_ring_num(dev, rsv); 4096 break; 4097 4098 case ASSIGN_PHYSICAL_DROP: 4099 svectors |= F_ASSIGN_PHYSICAL_DROP; 4100 rcode = smctr_set_phy_drop(dev, rsv); 4101 break; 4102 4103 case ERROR_TIMER_VALUE: 4104 svectors |= F_ERROR_TIMER_VALUE; 4105 rcode = smctr_set_error_timer_value(dev, rsv); 4106 break; 4107 4108 default: 4109 rcode = E_SUB_VECTOR_UNKNOWN; 4110 break; 4111 } 4112 4113 /* Let Sender Know if SUM of SV length's is 4114 * larger then length in MVID length field 4115 */ 4116 if((vlen -= rsv->svl) < 0) 4117 rcode = E_VECTOR_LENGTH_ERROR; 4118 4119 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4120 } 4121 4122 if(rcode == POSITIVE_ACK) 4123 { 4124 /* Let Sender Know if MVID length field 4125 * is larger then SUM of SV length's 4126 */ 4127 if(vlen != 0) 4128 rcode = E_VECTOR_LENGTH_ERROR; 4129 else 4130 { 4131 /* Let Sender Know if Expected SV Missing */ 4132 if((svectors & R_INIT) ^ R_INIT) 4133 rcode = E_MISSING_SUB_VECTOR; 4134 } 4135 } 4136 4137 return (rcode); 4138} 4139 4140static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf) 4141{ 4142 MAC_SUB_VECTOR *rsv; 4143 signed short vlen; 4144 __u16 rcode = POSITIVE_ACK; 4145 unsigned int svectors = F_NO_SUB_VECTORS_FOUND; 4146 4147 /* This Frame can only come from a CRS */ 4148 if((rmf->dc_sc & SC_MASK) != SC_CRS) 4149 return (E_INAPPROPRIATE_SOURCE_CLASS); 4150 4151 /* Remove MVID Length from total length */ 4152 vlen = (signed short)rmf->vl - 4; 4153 4154 /* Point to First SVID */ 4155 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4156 4157 /* Search for Appropriate SVID's */ 4158 while((vlen > 0) && (rcode == POSITIVE_ACK)) 4159 { 4160 switch(rsv->svi) 4161 { 4162 case FRAME_FORWARD: 4163 svectors |= F_FRAME_FORWARD; 4164 rcode = smctr_set_frame_forward(dev, rsv, 4165 rmf->dc_sc); 4166 break; 4167 4168 default: 4169 rcode = E_SUB_VECTOR_UNKNOWN; 4170 break; 4171 } 4172 4173 /* Let Sender Know if SUM of SV length's is 4174 * larger then length in MVID length field 4175 */ 4176 if((vlen -= rsv->svl) < 0) 4177 rcode = E_VECTOR_LENGTH_ERROR; 4178 4179 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4180 } 4181 4182 if(rcode == POSITIVE_ACK) 4183 { 4184 /* Let Sender Know if MVID length field 4185 * is larger then SUM of SV length's 4186 */ 4187 if(vlen != 0) 4188 rcode = E_VECTOR_LENGTH_ERROR; 4189 else 4190 { 4191 /* Let Sender Know if Expected SV Missing */ 4192 if((svectors & R_TX_FORWARD) ^ R_TX_FORWARD) 4193 rcode = E_MISSING_SUB_VECTOR; 4194 } 4195 } 4196 4197 return (rcode); 4198} 4199 4200static int smctr_rcv_rq_addr_state_attch(struct net_device *dev, 4201 MAC_HEADER *rmf, __u16 *correlator) 4202{ 4203 MAC_SUB_VECTOR *rsv; 4204 signed short vlen; 4205 __u16 rcode = POSITIVE_ACK; 4206 unsigned int svectors = F_NO_SUB_VECTORS_FOUND; 4207 4208 /* Remove MVID Length from total length */ 4209 vlen = (signed short)rmf->vl - 4; 4210 4211 /* Point to First SVID */ 4212 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4213 4214 /* Search for Appropriate SVID's */ 4215 while((vlen > 0) && (rcode == POSITIVE_ACK)) 4216 { 4217 switch(rsv->svi) 4218 { 4219 case CORRELATOR: 4220 svectors |= F_CORRELATOR; 4221 rcode = smctr_set_corr(dev, rsv, correlator); 4222 break; 4223 4224 default: 4225 rcode = E_SUB_VECTOR_UNKNOWN; 4226 break; 4227 } 4228 4229 /* Let Sender Know if SUM of SV length's is 4230 * larger then length in MVID length field 4231 */ 4232 if((vlen -= rsv->svl) < 0) 4233 rcode = E_VECTOR_LENGTH_ERROR; 4234 4235 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4236 } 4237 4238 if(rcode == POSITIVE_ACK) 4239 { 4240 /* Let Sender Know if MVID length field 4241 * is larger then SUM of SV length's 4242 */ 4243 if(vlen != 0) 4244 rcode = E_VECTOR_LENGTH_ERROR; 4245 else 4246 { 4247 /* Let Sender Know if Expected SVID Missing */ 4248 if((svectors & R_RQ_ATTCH_STATE_ADDR) 4249 ^ R_RQ_ATTCH_STATE_ADDR) 4250 rcode = E_MISSING_SUB_VECTOR; 4251 } 4252 } 4253 4254 return (rcode); 4255} 4256 4257static int smctr_rcv_unknown(struct net_device *dev, MAC_HEADER *rmf, 4258 __u16 *correlator) 4259{ 4260 MAC_SUB_VECTOR *rsv; 4261 signed short vlen; 4262 4263 *correlator = 0; 4264 4265 /* Remove MVID Length from total length */ 4266 vlen = (signed short)rmf->vl - 4; 4267 4268 /* Point to First SVID */ 4269 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4270 4271 /* Search for CORRELATOR for RSP to UNKNOWN */ 4272 while((vlen > 0) && (*correlator == 0)) 4273 { 4274 switch(rsv->svi) 4275 { 4276 case CORRELATOR: 4277 smctr_set_corr(dev, rsv, correlator); 4278 break; 4279 4280 default: 4281 break; 4282 } 4283 4284 vlen -= rsv->svl; 4285 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4286 } 4287 4288 return (E_UNRECOGNIZED_VECTOR_ID); 4289} 4290 4291/* 4292 * Reset the 825 NIC and exit w: 4293 * 1. The NIC reset cleared (non-reset state), halted and un-initialized. 4294 * 2. TINT masked. 4295 * 3. CBUSY masked. 4296 * 4. TINT clear. 4297 * 5. CBUSY clear. 4298 */ 4299static int smctr_reset_adapter(struct net_device *dev) 4300{ 4301 struct net_local *tp = netdev_priv(dev); 4302 int ioaddr = dev->base_addr; 4303 4304 /* Reseting the NIC will put it in a halted and un-initialized state. */ smctr_set_trc_reset(ioaddr); 4305 mdelay(200); /* ~2 ms */ 4306 4307 smctr_clear_trc_reset(ioaddr); 4308 mdelay(200); /* ~2 ms */ 4309 4310 /* Remove any latched interrupts that occurred prior to reseting the 4311 * adapter or possibily caused by line glitches due to the reset. 4312 */ 4313 outb(tp->trc_mask | CSR_CLRTINT | CSR_CLRCBUSY, ioaddr + CSR); 4314 4315 return (0); 4316} 4317 4318static int smctr_restart_tx_chain(struct net_device *dev, short queue) 4319{ 4320 struct net_local *tp = netdev_priv(dev); 4321 int err = 0; 4322 4323 if(smctr_debug > 10) 4324 printk(KERN_DEBUG "%s: smctr_restart_tx_chain\n", dev->name); 4325 4326 if(tp->num_tx_fcbs_used[queue] != 0 4327 && tp->tx_queue_status[queue] == NOT_TRANSMITING) 4328 { 4329 tp->tx_queue_status[queue] = TRANSMITING; 4330 err = smctr_issue_resume_tx_fcb_cmd(dev, queue); 4331 } 4332 4333 return (err); 4334} 4335 4336static int smctr_ring_status_chg(struct net_device *dev) 4337{ 4338 struct net_local *tp = netdev_priv(dev); 4339 4340 if(smctr_debug > 10) 4341 printk(KERN_DEBUG "%s: smctr_ring_status_chg\n", dev->name); 4342 4343 /* Check for ring_status_flag: whenever MONITOR_STATE_BIT 4344 * Bit is set, check value of monitor_state, only then we 4345 * enable and start transmit/receive timeout (if and only 4346 * if it is MS_ACTIVE_MONITOR_STATE or MS_STANDBY_MONITOR_STATE) 4347 */ 4348 if(tp->ring_status_flags == MONITOR_STATE_CHANGED) 4349 { 4350 if((tp->monitor_state == MS_ACTIVE_MONITOR_STATE) 4351 || (tp->monitor_state == MS_STANDBY_MONITOR_STATE)) 4352 { 4353 tp->monitor_state_ready = 1; 4354 } 4355 else 4356 { 4357 /* if adapter is NOT in either active monitor 4358 * or standby monitor state => Disable 4359 * transmit/receive timeout. 4360 */ 4361 tp->monitor_state_ready = 0; 4362 4363 /* Ring speed problem, switching to auto mode. */ 4364 if(tp->monitor_state == MS_MONITOR_FSM_INACTIVE 4365 && !tp->cleanup) 4366 { 4367 printk(KERN_INFO "%s: Incorrect ring speed switching.\n", 4368 dev->name); 4369 smctr_set_ring_speed(dev); 4370 } 4371 } 4372 } 4373 4374 if(!(tp->ring_status_flags & RING_STATUS_CHANGED)) 4375 return (0); 4376 4377 switch(tp->ring_status) 4378 { 4379 case RING_RECOVERY: 4380 printk(KERN_INFO "%s: Ring Recovery\n", dev->name); 4381 tp->current_ring_status |= RING_RECOVERY; 4382 break; 4383 4384 case SINGLE_STATION: 4385 printk(KERN_INFO "%s: Single Statinon\n", dev->name); 4386 tp->current_ring_status |= SINGLE_STATION; 4387 break; 4388 4389 case COUNTER_OVERFLOW: 4390 printk(KERN_INFO "%s: Counter Overflow\n", dev->name); 4391 tp->current_ring_status |= COUNTER_OVERFLOW; 4392 break; 4393 4394 case REMOVE_RECEIVED: 4395 printk(KERN_INFO "%s: Remove Received\n", dev->name); 4396 tp->current_ring_status |= REMOVE_RECEIVED; 4397 break; 4398 4399 case AUTO_REMOVAL_ERROR: 4400 printk(KERN_INFO "%s: Auto Remove Error\n", dev->name); 4401 tp->current_ring_status |= AUTO_REMOVAL_ERROR; 4402 break; 4403 4404 case LOBE_WIRE_FAULT: 4405 printk(KERN_INFO "%s: Lobe Wire Fault\n", dev->name); 4406 tp->current_ring_status |= LOBE_WIRE_FAULT; 4407 break; 4408 4409 case TRANSMIT_BEACON: 4410 printk(KERN_INFO "%s: Transmit Beacon\n", dev->name); 4411 tp->current_ring_status |= TRANSMIT_BEACON; 4412 break; 4413 4414 case SOFT_ERROR: 4415 printk(KERN_INFO "%s: Soft Error\n", dev->name); 4416 tp->current_ring_status |= SOFT_ERROR; 4417 break; 4418 4419 case HARD_ERROR: 4420 printk(KERN_INFO "%s: Hard Error\n", dev->name); 4421 tp->current_ring_status |= HARD_ERROR; 4422 break; 4423 4424 case SIGNAL_LOSS: 4425 printk(KERN_INFO "%s: Signal Loss\n", dev->name); 4426 tp->current_ring_status |= SIGNAL_LOSS; 4427 break; 4428 4429 default: 4430 printk(KERN_INFO "%s: Unknown ring status change\n", 4431 dev->name); 4432 break; 4433 } 4434 4435 return (0); 4436} 4437 4438static int smctr_rx_frame(struct net_device *dev) 4439{ 4440 struct net_local *tp = netdev_priv(dev); 4441 __u16 queue, status, rx_size, err = 0; 4442 __u8 *pbuff; 4443 4444 if(smctr_debug > 10) 4445 printk(KERN_DEBUG "%s: smctr_rx_frame\n", dev->name); 4446 4447 queue = tp->receive_queue_number; 4448 4449 while((status = tp->rx_fcb_curr[queue]->frame_status) != SUCCESS) 4450 { 4451 err = HARDWARE_FAILED; 4452 4453 if(((status & 0x007f) == 0) 4454 || ((tp->receive_mask & ACCEPT_ERR_PACKETS) != 0)) 4455 { 4456 /* frame length less the CRC (4 bytes) + FS (1 byte) */ 4457 rx_size = tp->rx_fcb_curr[queue]->frame_length - 5; 4458 4459 pbuff = smctr_get_rx_pointer(dev, queue); 4460 4461 smctr_set_page(dev, pbuff); 4462 smctr_disable_16bit(dev); 4463 4464 /* pbuff points to addr within one page */ 4465 pbuff = (__u8 *)PAGE_POINTER(pbuff); 4466 4467 if(queue == NON_MAC_QUEUE) 4468 { 4469 struct sk_buff *skb; 4470 4471 skb = dev_alloc_skb(rx_size); 4472 if (skb) { 4473 skb_put(skb, rx_size); 4474 4475 skb_copy_to_linear_data(skb, pbuff, rx_size); 4476 4477 /* Update Counters */ 4478 tp->MacStat.rx_packets++; 4479 tp->MacStat.rx_bytes += skb->len; 4480 4481 /* Kick the packet on up. */ 4482 skb->protocol = tr_type_trans(skb, dev); 4483 netif_rx(skb); 4484 dev->last_rx = jiffies; 4485 } else { 4486 } 4487 } 4488 else 4489 smctr_process_rx_packet((MAC_HEADER *)pbuff, 4490 rx_size, dev, status); 4491 } 4492 4493 smctr_enable_16bit(dev); 4494 smctr_set_page(dev, (__u8 *)tp->ram_access); 4495 smctr_update_rx_chain(dev, queue); 4496 4497 if(err != SUCCESS) 4498 break; 4499 } 4500 4501 return (err); 4502} 4503 4504static int smctr_send_dat(struct net_device *dev) 4505{ 4506 struct net_local *tp = netdev_priv(dev); 4507 unsigned int i, err; 4508 MAC_HEADER *tmf; 4509 FCBlock *fcb; 4510 4511 if(smctr_debug > 10) 4512 printk(KERN_DEBUG "%s: smctr_send_dat\n", dev->name); 4513 4514 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, 4515 sizeof(MAC_HEADER))) == (FCBlock *)(-1L)) 4516 { 4517 return (OUT_OF_RESOURCES); 4518 } 4519 4520 /* Initialize DAT Data Fields. */ 4521 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4522 tmf->ac = MSB(AC_FC_DAT); 4523 tmf->fc = LSB(AC_FC_DAT); 4524 4525 for(i = 0; i < 6; i++) 4526 { 4527 tmf->sa[i] = dev->dev_addr[i]; 4528 tmf->da[i] = dev->dev_addr[i]; 4529 4530 } 4531 4532 tmf->vc = DAT; 4533 tmf->dc_sc = DC_RS | SC_RS; 4534 tmf->vl = 4; 4535 tmf->vl = SWAP_BYTES(tmf->vl); 4536 4537 /* Start Transmit. */ 4538 if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) 4539 return (err); 4540 4541 /* Wait for Transmit to Complete */ 4542 for(i = 0; i < 10000; i++) 4543 { 4544 if(fcb->frame_status & FCB_COMMAND_DONE) 4545 break; 4546 mdelay(1); 4547 } 4548 4549 /* Check if GOOD frame Tx'ed. */ 4550 if(!(fcb->frame_status & FCB_COMMAND_DONE) 4551 || fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS)) 4552 { 4553 return (INITIALIZE_FAILED); 4554 } 4555 4556 /* De-allocated Tx FCB and Frame Buffer 4557 * The FCB must be de-allocated manually if executing with 4558 * interrupts disabled, other wise the ISR (LM_Service_Events) 4559 * will de-allocate it when the interrupt occurs. 4560 */ 4561 tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; 4562 smctr_update_tx_chain(dev, fcb, MAC_QUEUE); 4563 4564 return (0); 4565} 4566 4567static void smctr_timeout(struct net_device *dev) 4568{ 4569 /* 4570 * If we get here, some higher level has decided we are broken. 4571 * There should really be a "kick me" function call instead. 4572 * 4573 * Resetting the token ring adapter takes a long time so just 4574 * fake transmission time and go on trying. Our own timeout 4575 * routine is in sktr_timer_chk() 4576 */ 4577 dev->trans_start = jiffies; 4578 netif_wake_queue(dev); 4579} 4580 4581/* 4582 * Gets skb from system, queues it and checks if it can be sent 4583 */ 4584static int smctr_send_packet(struct sk_buff *skb, struct net_device *dev) 4585{ 4586 struct net_local *tp = netdev_priv(dev); 4587 4588 if(smctr_debug > 10) 4589 printk(KERN_DEBUG "%s: smctr_send_packet\n", dev->name); 4590 4591 /* 4592 * Block a transmit overlap 4593 */ 4594 4595 netif_stop_queue(dev); 4596 4597 if(tp->QueueSkb == 0) 4598 return (1); /* Return with tbusy set: queue full */ 4599 4600 tp->QueueSkb--; 4601 skb_queue_tail(&tp->SendSkbQueue, skb); 4602 smctr_hardware_send_packet(dev, tp); 4603 if(tp->QueueSkb > 0) 4604 netif_wake_queue(dev); 4605 4606 return (0); 4607} 4608 4609static int smctr_send_lobe_media_test(struct net_device *dev) 4610{ 4611 struct net_local *tp = netdev_priv(dev); 4612 MAC_SUB_VECTOR *tsv; 4613 MAC_HEADER *tmf; 4614 FCBlock *fcb; 4615 __u32 i; 4616 int err; 4617 4618 if(smctr_debug > 15) 4619 printk(KERN_DEBUG "%s: smctr_send_lobe_media_test\n", dev->name); 4620 4621 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(struct trh_hdr) 4622 + S_WRAP_DATA + S_WRAP_DATA)) == (FCBlock *)(-1L)) 4623 { 4624 return (OUT_OF_RESOURCES); 4625 } 4626 4627 /* Initialize DAT Data Fields. */ 4628 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4629 tmf->ac = MSB(AC_FC_LOBE_MEDIA_TEST); 4630 tmf->fc = LSB(AC_FC_LOBE_MEDIA_TEST); 4631 4632 for(i = 0; i < 6; i++) 4633 { 4634 tmf->da[i] = 0; 4635 tmf->sa[i] = dev->dev_addr[i]; 4636 } 4637 4638 tmf->vc = LOBE_MEDIA_TEST; 4639 tmf->dc_sc = DC_RS | SC_RS; 4640 tmf->vl = 4; 4641 4642 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4643 smctr_make_wrap_data(dev, tsv); 4644 tmf->vl += tsv->svl; 4645 4646 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4647 smctr_make_wrap_data(dev, tsv); 4648 tmf->vl += tsv->svl; 4649 4650 /* Start Transmit. */ 4651 tmf->vl = SWAP_BYTES(tmf->vl); 4652 if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) 4653 return (err); 4654 4655 /* Wait for Transmit to Complete. (10 ms). */ 4656 for(i=0; i < 10000; i++) 4657 { 4658 if(fcb->frame_status & FCB_COMMAND_DONE) 4659 break; 4660 mdelay(1); 4661 } 4662 4663 /* Check if GOOD frame Tx'ed */ 4664 if(!(fcb->frame_status & FCB_COMMAND_DONE) 4665 || fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS)) 4666 { 4667 return (LOBE_MEDIA_TEST_FAILED); 4668 } 4669 4670 /* De-allocated Tx FCB and Frame Buffer 4671 * The FCB must be de-allocated manually if executing with 4672 * interrupts disabled, other wise the ISR (LM_Service_Events) 4673 * will de-allocate it when the interrupt occurs. 4674 */ 4675 tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; 4676 smctr_update_tx_chain(dev, fcb, MAC_QUEUE); 4677 4678 return (0); 4679} 4680 4681static int smctr_send_rpt_addr(struct net_device *dev, MAC_HEADER *rmf, 4682 __u16 correlator) 4683{ 4684 MAC_HEADER *tmf; 4685 MAC_SUB_VECTOR *tsv; 4686 FCBlock *fcb; 4687 4688 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4689 + S_CORRELATOR + S_PHYSICAL_DROP + S_UPSTREAM_NEIGHBOR_ADDRESS 4690 + S_ADDRESS_MODIFER + S_GROUP_ADDRESS + S_FUNCTIONAL_ADDRESS)) 4691 == (FCBlock *)(-1L)) 4692 { 4693 return (0); 4694 } 4695 4696 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4697 tmf->vc = RPT_ADDR; 4698 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4699 tmf->vl = 4; 4700 4701 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_ADDR); 4702 4703 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4704 smctr_make_corr(dev, tsv, correlator); 4705 4706 tmf->vl += tsv->svl; 4707 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4708 smctr_make_phy_drop_num(dev, tsv); 4709 4710 tmf->vl += tsv->svl; 4711 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4712 smctr_make_upstream_neighbor_addr(dev, tsv); 4713 4714 tmf->vl += tsv->svl; 4715 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4716 smctr_make_addr_mod(dev, tsv); 4717 4718 tmf->vl += tsv->svl; 4719 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4720 smctr_make_group_addr(dev, tsv); 4721 4722 tmf->vl += tsv->svl; 4723 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4724 smctr_make_funct_addr(dev, tsv); 4725 4726 tmf->vl += tsv->svl; 4727 4728 /* Subtract out MVID and MVL which is 4729 * include in both vl and MAC_HEADER 4730 */ 4731/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4732 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4733*/ 4734 tmf->vl = SWAP_BYTES(tmf->vl); 4735 4736 return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); 4737} 4738 4739static int smctr_send_rpt_attch(struct net_device *dev, MAC_HEADER *rmf, 4740 __u16 correlator) 4741{ 4742 MAC_HEADER *tmf; 4743 MAC_SUB_VECTOR *tsv; 4744 FCBlock *fcb; 4745 4746 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4747 + S_CORRELATOR + S_PRODUCT_INSTANCE_ID + S_FUNCTIONAL_ADDRESS 4748 + S_AUTHORIZED_FUNCTION_CLASS + S_AUTHORIZED_ACCESS_PRIORITY)) 4749 == (FCBlock *)(-1L)) 4750 { 4751 return (0); 4752 } 4753 4754 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4755 tmf->vc = RPT_ATTCH; 4756 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4757 tmf->vl = 4; 4758 4759 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_ATTCH); 4760 4761 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4762 smctr_make_corr(dev, tsv, correlator); 4763 4764 tmf->vl += tsv->svl; 4765 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4766 smctr_make_product_id(dev, tsv); 4767 4768 tmf->vl += tsv->svl; 4769 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4770 smctr_make_funct_addr(dev, tsv); 4771 4772 tmf->vl += tsv->svl; 4773 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4774 smctr_make_auth_funct_class(dev, tsv); 4775 4776 tmf->vl += tsv->svl; 4777 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4778 smctr_make_access_pri(dev, tsv); 4779 4780 tmf->vl += tsv->svl; 4781 4782 /* Subtract out MVID and MVL which is 4783 * include in both vl and MAC_HEADER 4784 */ 4785/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4786 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4787*/ 4788 tmf->vl = SWAP_BYTES(tmf->vl); 4789 4790 return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); 4791} 4792 4793static int smctr_send_rpt_state(struct net_device *dev, MAC_HEADER *rmf, 4794 __u16 correlator) 4795{ 4796 MAC_HEADER *tmf; 4797 MAC_SUB_VECTOR *tsv; 4798 FCBlock *fcb; 4799 4800 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4801 + S_CORRELATOR + S_RING_STATION_VERSION_NUMBER 4802 + S_RING_STATION_STATUS + S_STATION_IDENTIFER)) 4803 == (FCBlock *)(-1L)) 4804 { 4805 return (0); 4806 } 4807 4808 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4809 tmf->vc = RPT_STATE; 4810 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4811 tmf->vl = 4; 4812 4813 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_STATE); 4814 4815 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4816 smctr_make_corr(dev, tsv, correlator); 4817 4818 tmf->vl += tsv->svl; 4819 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4820 smctr_make_ring_station_version(dev, tsv); 4821 4822 tmf->vl += tsv->svl; 4823 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4824 smctr_make_ring_station_status(dev, tsv); 4825 4826 tmf->vl += tsv->svl; 4827 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4828 smctr_make_station_id(dev, tsv); 4829 4830 tmf->vl += tsv->svl; 4831 4832 /* Subtract out MVID and MVL which is 4833 * include in both vl and MAC_HEADER 4834 */ 4835/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4836 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4837*/ 4838 tmf->vl = SWAP_BYTES(tmf->vl); 4839 4840 return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); 4841} 4842 4843static int smctr_send_rpt_tx_forward(struct net_device *dev, 4844 MAC_HEADER *rmf, __u16 tx_fstatus) 4845{ 4846 MAC_HEADER *tmf; 4847 MAC_SUB_VECTOR *tsv; 4848 FCBlock *fcb; 4849 4850 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4851 + S_TRANSMIT_STATUS_CODE)) == (FCBlock *)(-1L)) 4852 { 4853 return (0); 4854 } 4855 4856 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4857 tmf->vc = RPT_TX_FORWARD; 4858 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4859 tmf->vl = 4; 4860 4861 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_TX_FORWARD); 4862 4863 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4864 smctr_make_tx_status_code(dev, tsv, tx_fstatus); 4865 4866 tmf->vl += tsv->svl; 4867 4868 /* Subtract out MVID and MVL which is 4869 * include in both vl and MAC_HEADER 4870 */ 4871/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4872 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4873*/ 4874 tmf->vl = SWAP_BYTES(tmf->vl); 4875 4876 return(smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); 4877} 4878 4879static int smctr_send_rsp(struct net_device *dev, MAC_HEADER *rmf, 4880 __u16 rcode, __u16 correlator) 4881{ 4882 MAC_HEADER *tmf; 4883 MAC_SUB_VECTOR *tsv; 4884 FCBlock *fcb; 4885 4886 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4887 + S_CORRELATOR + S_RESPONSE_CODE)) == (FCBlock *)(-1L)) 4888 { 4889 return (0); 4890 } 4891 4892 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4893 tmf->vc = RSP; 4894 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4895 tmf->vl = 4; 4896 4897 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RSP); 4898 4899 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4900 smctr_make_corr(dev, tsv, correlator); 4901 4902 return (0); 4903} 4904 4905static int smctr_send_rq_init(struct net_device *dev) 4906{ 4907 struct net_local *tp = netdev_priv(dev); 4908 MAC_HEADER *tmf; 4909 MAC_SUB_VECTOR *tsv; 4910 FCBlock *fcb; 4911 unsigned int i, count = 0; 4912 __u16 fstatus; 4913 int err; 4914 4915 do { 4916 if(((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4917 + S_PRODUCT_INSTANCE_ID + S_UPSTREAM_NEIGHBOR_ADDRESS 4918 + S_RING_STATION_VERSION_NUMBER + S_ADDRESS_MODIFER)) 4919 == (FCBlock *)(-1L))) 4920 { 4921 return (0); 4922 } 4923 4924 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4925 tmf->vc = RQ_INIT; 4926 tmf->dc_sc = DC_RPS | SC_RS; 4927 tmf->vl = 4; 4928 4929 smctr_make_8025_hdr(dev, NULL, tmf, AC_FC_RQ_INIT); 4930 4931 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4932 smctr_make_product_id(dev, tsv); 4933 4934 tmf->vl += tsv->svl; 4935 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4936 smctr_make_upstream_neighbor_addr(dev, tsv); 4937 4938 tmf->vl += tsv->svl; 4939 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4940 smctr_make_ring_station_version(dev, tsv); 4941 4942 tmf->vl += tsv->svl; 4943 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4944 smctr_make_addr_mod(dev, tsv); 4945 4946 tmf->vl += tsv->svl; 4947 4948 /* Subtract out MVID and MVL which is 4949 * include in both vl and MAC_HEADER 4950 */ 4951/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4952 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4953*/ 4954 tmf->vl = SWAP_BYTES(tmf->vl); 4955 4956 if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) 4957 return (err); 4958 4959 /* Wait for Transmit to Complete */ 4960 for(i = 0; i < 10000; i++) 4961 { 4962 if(fcb->frame_status & FCB_COMMAND_DONE) 4963 break; 4964 mdelay(1); 4965 } 4966 4967 /* Check if GOOD frame Tx'ed */ 4968 fstatus = fcb->frame_status; 4969 4970 if(!(fstatus & FCB_COMMAND_DONE)) 4971 return (HARDWARE_FAILED); 4972 4973 if(!(fstatus & FCB_TX_STATUS_E)) 4974 count++; 4975 4976 /* De-allocated Tx FCB and Frame Buffer 4977 * The FCB must be de-allocated manually if executing with 4978 * interrupts disabled, other wise the ISR (LM_Service_Events) 4979 * will de-allocate it when the interrupt occurs. 4980 */ 4981 tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; 4982 smctr_update_tx_chain(dev, fcb, MAC_QUEUE); 4983 } while(count < 4 && ((fstatus & FCB_TX_AC_BITS) ^ FCB_TX_AC_BITS)); 4984 4985 return (smctr_join_complete_state(dev)); 4986} 4987 4988static int smctr_send_tx_forward(struct net_device *dev, MAC_HEADER *rmf, 4989 __u16 *tx_fstatus) 4990{ 4991 struct net_local *tp = netdev_priv(dev); 4992 FCBlock *fcb; 4993 unsigned int i; 4994 int err; 4995 4996 /* Check if this is the END POINT of the Transmit Forward Chain. */ 4997 if(rmf->vl <= 18) 4998 return (0); 4999 5000 /* Allocate Transmit FCB only by requesting 0 bytes 5001 * of data buffer. 5002 */ 5003 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, 0)) == (FCBlock *)(-1L)) 5004 return (0); 5005 5006 /* Set pointer to Transmit Frame Buffer to the data 5007 * portion of the received TX Forward frame, making 5008 * sure to skip over the Vector Code (vc) and Vector 5009 * length (vl). 5010 */ 5011 fcb->bdb_ptr->trc_data_block_ptr = TRC_POINTER((__u32)rmf 5012 + sizeof(MAC_HEADER) + 2); 5013 fcb->bdb_ptr->data_block_ptr = (__u16 *)((__u32)rmf 5014 + sizeof(MAC_HEADER) + 2); 5015 5016 fcb->frame_length = rmf->vl - 4 - 2; 5017 fcb->bdb_ptr->buffer_length = rmf->vl - 4 - 2; 5018 5019 if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) 5020 return (err); 5021 5022 /* Wait for Transmit to Complete */ 5023 for(i = 0; i < 10000; i++) 5024 { 5025 if(fcb->frame_status & FCB_COMMAND_DONE) 5026 break; 5027 mdelay(1); 5028 } 5029 5030 /* Check if GOOD frame Tx'ed */ 5031 if(!(fcb->frame_status & FCB_COMMAND_DONE)) 5032 { 5033 if((err = smctr_issue_resume_tx_fcb_cmd(dev, MAC_QUEUE))) 5034 return (err); 5035 5036 for(i = 0; i < 10000; i++) 5037 { 5038 if(fcb->frame_status & FCB_COMMAND_DONE) 5039 break; 5040 mdelay(1); 5041 } 5042 5043 if(!(fcb->frame_status & FCB_COMMAND_DONE)) 5044 return (HARDWARE_FAILED); 5045 } 5046 5047 *tx_fstatus = fcb->frame_status; 5048 5049 return (A_FRAME_WAS_FORWARDED); 5050} 5051 5052static int smctr_set_auth_access_pri(struct net_device *dev, 5053 MAC_SUB_VECTOR *rsv) 5054{ 5055 struct net_local *tp = netdev_priv(dev); 5056 5057 if(rsv->svl != S_AUTHORIZED_ACCESS_PRIORITY) 5058 return (E_SUB_VECTOR_LENGTH_ERROR); 5059 5060 tp->authorized_access_priority = (rsv->svv[0] << 8 | rsv->svv[1]); 5061 5062 return (POSITIVE_ACK); 5063} 5064 5065static int smctr_set_auth_funct_class(struct net_device *dev, 5066 MAC_SUB_VECTOR *rsv) 5067{ 5068 struct net_local *tp = netdev_priv(dev); 5069 5070 if(rsv->svl != S_AUTHORIZED_FUNCTION_CLASS) 5071 return (E_SUB_VECTOR_LENGTH_ERROR); 5072 5073 tp->authorized_function_classes = (rsv->svv[0] << 8 | rsv->svv[1]); 5074 5075 return (POSITIVE_ACK); 5076} 5077 5078static int smctr_set_corr(struct net_device *dev, MAC_SUB_VECTOR *rsv, 5079 __u16 *correlator) 5080{ 5081 if(rsv->svl != S_CORRELATOR) 5082 return (E_SUB_VECTOR_LENGTH_ERROR); 5083 5084 *correlator = (rsv->svv[0] << 8 | rsv->svv[1]); 5085 5086 return (POSITIVE_ACK); 5087} 5088 5089static int smctr_set_error_timer_value(struct net_device *dev, 5090 MAC_SUB_VECTOR *rsv) 5091{ 5092 __u16 err_tval; 5093 int err; 5094 5095 if(rsv->svl != S_ERROR_TIMER_VALUE) 5096 return (E_SUB_VECTOR_LENGTH_ERROR); 5097 5098 err_tval = (rsv->svv[0] << 8 | rsv->svv[1])*10; 5099 5100 smctr_issue_write_word_cmd(dev, RW_TER_THRESHOLD, &err_tval); 5101 5102 if((err = smctr_wait_cmd(dev))) 5103 return (err); 5104 5105 return (POSITIVE_ACK); 5106} 5107 5108static int smctr_set_frame_forward(struct net_device *dev, 5109 MAC_SUB_VECTOR *rsv, __u8 dc_sc) 5110{ 5111 if((rsv->svl < 2) || (rsv->svl > S_FRAME_FORWARD)) 5112 return (E_SUB_VECTOR_LENGTH_ERROR); 5113 5114 if((dc_sc & DC_MASK) != DC_CRS) 5115 { 5116 if(rsv->svl >= 2 && rsv->svl < 20) 5117 return (E_TRANSMIT_FORWARD_INVALID); 5118 5119 if((rsv->svv[0] != 0) || (rsv->svv[1] != 0)) 5120 return (E_TRANSMIT_FORWARD_INVALID); 5121 } 5122 5123 return (POSITIVE_ACK); 5124} 5125 5126static int smctr_set_local_ring_num(struct net_device *dev, 5127 MAC_SUB_VECTOR *rsv) 5128{ 5129 struct net_local *tp = netdev_priv(dev); 5130 5131 if(rsv->svl != S_LOCAL_RING_NUMBER) 5132 return (E_SUB_VECTOR_LENGTH_ERROR); 5133 5134 if(tp->ptr_local_ring_num) 5135 *(__u16 *)(tp->ptr_local_ring_num) 5136 = (rsv->svv[0] << 8 | rsv->svv[1]); 5137 5138 return (POSITIVE_ACK); 5139} 5140 5141static unsigned short smctr_set_ctrl_attention(struct net_device *dev) 5142{ 5143 struct net_local *tp = netdev_priv(dev); 5144 int ioaddr = dev->base_addr; 5145 5146 if(tp->bic_type == BIC_585_CHIP) 5147 outb((tp->trc_mask | HWR_CA), ioaddr + HWR); 5148 else 5149 { 5150 outb((tp->trc_mask | CSR_CA), ioaddr + CSR); 5151 outb(tp->trc_mask, ioaddr + CSR); 5152 } 5153 5154 return (0); 5155} 5156 5157static void smctr_set_multicast_list(struct net_device *dev) 5158{ 5159 if(smctr_debug > 10) 5160 printk(KERN_DEBUG "%s: smctr_set_multicast_list\n", dev->name); 5161 5162 return; 5163} 5164 5165static int smctr_set_page(struct net_device *dev, __u8 *buf) 5166{ 5167 struct net_local *tp = netdev_priv(dev); 5168 __u8 amask; 5169 __u32 tptr; 5170 5171 tptr = (__u32)buf - (__u32)tp->ram_access; 5172 amask = (__u8)((tptr & PR_PAGE_MASK) >> 8); 5173 outb(amask, dev->base_addr + PR); 5174 5175 return (0); 5176} 5177 5178static int smctr_set_phy_drop(struct net_device *dev, MAC_SUB_VECTOR *rsv) 5179{ 5180 int err; 5181 5182 if(rsv->svl != S_PHYSICAL_DROP) 5183 return (E_SUB_VECTOR_LENGTH_ERROR); 5184 5185 smctr_issue_write_byte_cmd(dev, RW_PHYSICAL_DROP_NUMBER, &rsv->svv[0]); 5186 if((err = smctr_wait_cmd(dev))) 5187 return (err); 5188 5189 return (POSITIVE_ACK); 5190} 5191 5192/* Reset the ring speed to the opposite of what it was. This auto-pilot 5193 * mode requires a complete reset and re-init of the adapter. 5194 */ 5195static int smctr_set_ring_speed(struct net_device *dev) 5196{ 5197 struct net_local *tp = netdev_priv(dev); 5198 int err; 5199 5200 if(tp->media_type == MEDIA_UTP_16) 5201 tp->media_type = MEDIA_UTP_4; 5202 else 5203 tp->media_type = MEDIA_UTP_16; 5204 5205 smctr_enable_16bit(dev); 5206 5207 /* Re-Initialize adapter's internal registers */ 5208 smctr_reset_adapter(dev); 5209 5210 if((err = smctr_init_card_real(dev))) 5211 return (err); 5212 5213 smctr_enable_bic_int(dev); 5214 5215 if((err = smctr_issue_enable_int_cmd(dev, TRC_INTERRUPT_ENABLE_MASK))) 5216 return (err); 5217 5218 smctr_disable_16bit(dev); 5219 5220 return (0); 5221} 5222 5223static int smctr_set_rx_look_ahead(struct net_device *dev) 5224{ 5225 struct net_local *tp = netdev_priv(dev); 5226 __u16 sword, rword; 5227 5228 if(smctr_debug > 10) 5229 printk(KERN_DEBUG "%s: smctr_set_rx_look_ahead_flag\n", dev->name); 5230 5231 tp->adapter_flags &= ~(FORCED_16BIT_MODE); 5232 tp->adapter_flags |= RX_VALID_LOOKAHEAD; 5233 5234 if(tp->adapter_bus == BUS_ISA16_TYPE) 5235 { 5236 sword = *((__u16 *)(tp->ram_access)); 5237 *((__u16 *)(tp->ram_access)) = 0x1234; 5238 5239 smctr_disable_16bit(dev); 5240 rword = *((__u16 *)(tp->ram_access)); 5241 smctr_enable_16bit(dev); 5242 5243 if(rword != 0x1234) 5244 tp->adapter_flags |= FORCED_16BIT_MODE; 5245 5246 *((__u16 *)(tp->ram_access)) = sword; 5247 } 5248 5249 return (0); 5250} 5251 5252static int smctr_set_trc_reset(int ioaddr) 5253{ 5254 __u8 r; 5255 5256 r = inb(ioaddr + MSR); 5257 outb(MSR_RST | r, ioaddr + MSR); 5258 5259 return (0); 5260} 5261 5262/* 5263 * This function can be called if the adapter is busy or not. 5264 */ 5265static int smctr_setup_single_cmd(struct net_device *dev, 5266 __u16 command, __u16 subcommand) 5267{ 5268 struct net_local *tp = netdev_priv(dev); 5269 unsigned int err; 5270 5271 if(smctr_debug > 10) 5272 printk(KERN_DEBUG "%s: smctr_setup_single_cmd\n", dev->name); 5273 5274 if((err = smctr_wait_while_cbusy(dev))) 5275 return (err); 5276 5277 if((err = (unsigned int)smctr_wait_cmd(dev))) 5278 return (err); 5279 5280 tp->acb_head->cmd_done_status = 0; 5281 tp->acb_head->cmd = command; 5282 tp->acb_head->subcmd = subcommand; 5283 5284 err = smctr_issue_resume_acb_cmd(dev); 5285 5286 return (err); 5287} 5288 5289/* 5290 * This function can not be called with the adapter busy. 5291 */ 5292static int smctr_setup_single_cmd_w_data(struct net_device *dev, 5293 __u16 command, __u16 subcommand) 5294{ 5295 struct net_local *tp = netdev_priv(dev); 5296 5297 tp->acb_head->cmd_done_status = ACB_COMMAND_NOT_DONE; 5298 tp->acb_head->cmd = command; 5299 tp->acb_head->subcmd = subcommand; 5300 tp->acb_head->data_offset_lo 5301 = (__u16)TRC_POINTER(tp->misc_command_data); 5302 5303 return(smctr_issue_resume_acb_cmd(dev)); 5304} 5305 5306static char *smctr_malloc(struct net_device *dev, __u16 size) 5307{ 5308 struct net_local *tp = netdev_priv(dev); 5309 char *m; 5310 5311 m = (char *)(tp->ram_access + tp->sh_mem_used); 5312 tp->sh_mem_used += (__u32)size; 5313 5314 return (m); 5315} 5316 5317static int smctr_status_chg(struct net_device *dev) 5318{ 5319 struct net_local *tp = netdev_priv(dev); 5320 5321 if(smctr_debug > 10) 5322 printk(KERN_DEBUG "%s: smctr_status_chg\n", dev->name); 5323 5324 switch(tp->status) 5325 { 5326 case OPEN: 5327 break; 5328 5329 case CLOSED: 5330 break; 5331 5332 case INITIALIZED: 5333 tp->group_address_0 = 0; 5334 tp->group_address[0] = 0; 5335 tp->group_address[1] = 0; 5336 tp->functional_address_0 = 0; 5337 tp->functional_address[0] = 0; 5338 tp->functional_address[1] = 0; 5339 smctr_open_tr(dev); 5340 break; 5341 5342 default: 5343 printk(KERN_INFO "%s: status change unknown %x\n", 5344 dev->name, tp->status); 5345 break; 5346 } 5347 5348 return (0); 5349} 5350 5351static int smctr_trc_send_packet(struct net_device *dev, FCBlock *fcb, 5352 __u16 queue) 5353{ 5354 struct net_local *tp = netdev_priv(dev); 5355 int err = 0; 5356 5357 if(smctr_debug > 10) 5358 printk(KERN_DEBUG "%s: smctr_trc_send_packet\n", dev->name); 5359 5360 fcb->info = FCB_CHAIN_END | FCB_ENABLE_TFS; 5361 if(tp->num_tx_fcbs[queue] != 1) 5362 fcb->back_ptr->info = FCB_INTERRUPT_ENABLE | FCB_ENABLE_TFS; 5363 5364 if(tp->tx_queue_status[queue] == NOT_TRANSMITING) 5365 { 5366 tp->tx_queue_status[queue] = TRANSMITING; 5367 err = smctr_issue_resume_tx_fcb_cmd(dev, queue); 5368 } 5369 5370 return (err); 5371} 5372 5373static __u16 smctr_tx_complete(struct net_device *dev, __u16 queue) 5374{ 5375 struct net_local *tp = netdev_priv(dev); 5376 __u16 status, err = 0; 5377 int cstatus; 5378 5379 if(smctr_debug > 10) 5380 printk(KERN_DEBUG "%s: smctr_tx_complete\n", dev->name); 5381 5382 while((status = tp->tx_fcb_end[queue]->frame_status) != SUCCESS) 5383 { 5384 if(status & 0x7e00 ) 5385 { 5386 err = HARDWARE_FAILED; 5387 break; 5388 } 5389 5390 if((err = smctr_update_tx_chain(dev, tp->tx_fcb_end[queue], 5391 queue)) != SUCCESS) 5392 break; 5393 5394 smctr_disable_16bit(dev); 5395 5396 if(tp->mode_bits & UMAC) 5397 { 5398 if(!(status & (FCB_TX_STATUS_AR1 | FCB_TX_STATUS_AR2))) 5399 cstatus = NO_SUCH_DESTINATION; 5400 else 5401 { 5402 if(!(status & (FCB_TX_STATUS_CR1 | FCB_TX_STATUS_CR2))) 5403 cstatus = DEST_OUT_OF_RESOURCES; 5404 else 5405 { 5406 if(status & FCB_TX_STATUS_E) 5407 cstatus = MAX_COLLISIONS; 5408 else 5409 cstatus = SUCCESS; 5410 } 5411 } 5412 } 5413 else 5414 cstatus = SUCCESS; 5415 5416 if(queue == BUG_QUEUE) 5417 err = SUCCESS; 5418 5419 smctr_enable_16bit(dev); 5420 if(err != SUCCESS) 5421 break; 5422 } 5423 5424 return (err); 5425} 5426 5427static unsigned short smctr_tx_move_frame(struct net_device *dev, 5428 struct sk_buff *skb, __u8 *pbuff, unsigned int bytes) 5429{ 5430 struct net_local *tp = netdev_priv(dev); 5431 unsigned int ram_usable; 5432 __u32 flen, len, offset = 0; 5433 __u8 *frag, *page; 5434 5435 if(smctr_debug > 10) 5436 printk(KERN_DEBUG "%s: smctr_tx_move_frame\n", dev->name); 5437 5438 ram_usable = ((unsigned int)tp->ram_usable) << 10; 5439 frag = skb->data; 5440 flen = skb->len; 5441 5442 while(flen > 0 && bytes > 0) 5443 { 5444 smctr_set_page(dev, pbuff); 5445 5446 offset = SMC_PAGE_OFFSET(pbuff); 5447 5448 if(offset + flen > ram_usable) 5449 len = ram_usable - offset; 5450 else 5451 len = flen; 5452 5453 if(len > bytes) 5454 len = bytes; 5455 5456 page = (char *) (offset + tp->ram_access); 5457 memcpy(page, frag, len); 5458 5459 flen -=len; 5460 bytes -= len; 5461 frag += len; 5462 pbuff += len; 5463 } 5464 5465 return (0); 5466} 5467 5468/* Update the error statistic counters for this adapter. */ 5469static int smctr_update_err_stats(struct net_device *dev) 5470{ 5471 struct net_local *tp = netdev_priv(dev); 5472 struct tr_statistics *tstat = &tp->MacStat; 5473 5474 if(tstat->internal_errors) 5475 tstat->internal_errors 5476 += *(tp->misc_command_data + 0) & 0x00ff; 5477 5478 if(tstat->line_errors) 5479 tstat->line_errors += *(tp->misc_command_data + 0) >> 8; 5480 5481 if(tstat->A_C_errors) 5482 tstat->A_C_errors += *(tp->misc_command_data + 1) & 0x00ff; 5483 5484 if(tstat->burst_errors) 5485 tstat->burst_errors += *(tp->misc_command_data + 1) >> 8; 5486 5487 if(tstat->abort_delimiters) 5488 tstat->abort_delimiters += *(tp->misc_command_data + 2) >> 8; 5489 5490 if(tstat->recv_congest_count) 5491 tstat->recv_congest_count 5492 += *(tp->misc_command_data + 3) & 0x00ff; 5493 5494 if(tstat->lost_frames) 5495 tstat->lost_frames 5496 += *(tp->misc_command_data + 3) >> 8; 5497 5498 if(tstat->frequency_errors) 5499 tstat->frequency_errors += *(tp->misc_command_data + 4) & 0x00ff; 5500 5501 if(tstat->frame_copied_errors) 5502 tstat->frame_copied_errors 5503 += *(tp->misc_command_data + 4) >> 8; 5504 5505 if(tstat->token_errors) 5506 tstat->token_errors += *(tp->misc_command_data + 5) >> 8; 5507 5508 return (0); 5509} 5510 5511static int smctr_update_rx_chain(struct net_device *dev, __u16 queue) 5512{ 5513 struct net_local *tp = netdev_priv(dev); 5514 FCBlock *fcb; 5515 BDBlock *bdb; 5516 __u16 size, len; 5517 5518 fcb = tp->rx_fcb_curr[queue]; 5519 len = fcb->frame_length; 5520 5521 fcb->frame_status = 0; 5522 fcb->info = FCB_CHAIN_END; 5523 fcb->back_ptr->info = FCB_WARNING; 5524 5525 tp->rx_fcb_curr[queue] = tp->rx_fcb_curr[queue]->next_ptr; 5526 5527 /* update RX BDBs */ 5528 size = (len >> RX_BDB_SIZE_SHIFT); 5529 if(len & RX_DATA_BUFFER_SIZE_MASK) 5530 size += sizeof(BDBlock); 5531 size &= (~RX_BDB_SIZE_MASK); 5532 5533 /* check if wrap around */ 5534 bdb = (BDBlock *)((__u32)(tp->rx_bdb_curr[queue]) + (__u32)(size)); 5535 if((__u32)bdb >= (__u32)tp->rx_bdb_end[queue]) 5536 { 5537 bdb = (BDBlock *)((__u32)(tp->rx_bdb_head[queue]) 5538 + (__u32)(bdb) - (__u32)(tp->rx_bdb_end[queue])); 5539 } 5540 5541 bdb->back_ptr->info = BDB_CHAIN_END; 5542 tp->rx_bdb_curr[queue]->back_ptr->info = BDB_NOT_CHAIN_END; 5543 tp->rx_bdb_curr[queue] = bdb; 5544 5545 return (0); 5546} 5547 5548static int smctr_update_tx_chain(struct net_device *dev, FCBlock *fcb, 5549 __u16 queue) 5550{ 5551 struct net_local *tp = netdev_priv(dev); 5552 5553 if(smctr_debug > 20) 5554 printk(KERN_DEBUG "smctr_update_tx_chain\n"); 5555 5556 if(tp->num_tx_fcbs_used[queue] <= 0) 5557 return (HARDWARE_FAILED); 5558 else 5559 { 5560 if(tp->tx_buff_used[queue] < fcb->memory_alloc) 5561 { 5562 tp->tx_buff_used[queue] = 0; 5563 return (HARDWARE_FAILED); 5564 } 5565 5566 tp->tx_buff_used[queue] -= fcb->memory_alloc; 5567 5568 /* if all transmit buffer are cleared 5569 * need to set the tx_buff_curr[] to tx_buff_head[] 5570 * otherwise, tx buffer will be segregate and cannot 5571 * accommodate and buffer greater than (curr - head) and 5572 * (end - curr) since we do not allow wrap around allocation. 5573 */ 5574 if(tp->tx_buff_used[queue] == 0) 5575 tp->tx_buff_curr[queue] = tp->tx_buff_head[queue]; 5576 5577 tp->num_tx_fcbs_used[queue]--; 5578 fcb->frame_status = 0; 5579 tp->tx_fcb_end[queue] = fcb->next_ptr; 5580 netif_wake_queue(dev); 5581 return (0); 5582 } 5583} 5584 5585static int smctr_wait_cmd(struct net_device *dev) 5586{ 5587 struct net_local *tp = netdev_priv(dev); 5588 unsigned int loop_count = 0x20000; 5589 5590 if(smctr_debug > 10) 5591 printk(KERN_DEBUG "%s: smctr_wait_cmd\n", dev->name); 5592 5593 while(loop_count) 5594 { 5595 if(tp->acb_head->cmd_done_status & ACB_COMMAND_DONE) 5596 break; 5597 udelay(1); 5598 loop_count--; 5599 } 5600 5601 if(loop_count == 0) 5602 return(HARDWARE_FAILED); 5603 5604 if(tp->acb_head->cmd_done_status & 0xff) 5605 return(HARDWARE_FAILED); 5606 5607 return (0); 5608} 5609 5610static int smctr_wait_while_cbusy(struct net_device *dev) 5611{ 5612 struct net_local *tp = netdev_priv(dev); 5613 unsigned int timeout = 0x20000; 5614 int ioaddr = dev->base_addr; 5615 __u8 r; 5616 5617 if(tp->bic_type == BIC_585_CHIP) 5618 { 5619 while(timeout) 5620 { 5621 r = inb(ioaddr + HWR); 5622 if((r & HWR_CBUSY) == 0) 5623 break; 5624 timeout--; 5625 } 5626 } 5627 else 5628 { 5629 while(timeout) 5630 { 5631 r = inb(ioaddr + CSR); 5632 if((r & CSR_CBUSY) == 0) 5633 break; 5634 timeout--; 5635 } 5636 } 5637 5638 if(timeout) 5639 return (0); 5640 else 5641 return (HARDWARE_FAILED); 5642} 5643 5644#ifdef MODULE 5645 5646static struct net_device* dev_smctr[SMCTR_MAX_ADAPTERS]; 5647static int io[SMCTR_MAX_ADAPTERS]; 5648static int irq[SMCTR_MAX_ADAPTERS]; 5649 5650MODULE_LICENSE("GPL"); 5651 5652module_param_array(io, int, NULL, 0); 5653module_param_array(irq, int, NULL, 0); 5654module_param(ringspeed, int, 0); 5655 5656static struct net_device * __init setup_card(int n) 5657{ 5658 struct net_device *dev = alloc_trdev(sizeof(struct net_local)); 5659 int err; 5660 5661 if (!dev) 5662 return ERR_PTR(-ENOMEM); 5663 5664 dev->irq = irq[n]; 5665 err = smctr_probe1(dev, io[n]); 5666 if (err) 5667 goto out; 5668 5669 err = register_netdev(dev); 5670 if (err) 5671 goto out1; 5672 return dev; 5673 out1: 5674#ifdef CONFIG_MCA_LEGACY 5675 { struct net_local *tp = netdev_priv(dev); 5676 if (tp->slot_num) 5677 mca_mark_as_unused(tp->slot_num); 5678 } 5679#endif 5680 release_region(dev->base_addr, SMCTR_IO_EXTENT); 5681 free_irq(dev->irq, dev); 5682out: 5683 free_netdev(dev); 5684 return ERR_PTR(err); 5685} 5686 5687int __init init_module(void) 5688{ 5689 int i, found = 0; 5690 struct net_device *dev; 5691 5692 for(i = 0; i < SMCTR_MAX_ADAPTERS; i++) { 5693 dev = io[0]? setup_card(i) : smctr_probe(-1); 5694 if (!IS_ERR(dev)) { 5695 ++found; 5696 dev_smctr[i] = dev; 5697 } 5698 } 5699 5700 return found ? 0 : -ENODEV; 5701} 5702 5703void __exit cleanup_module(void) 5704{ 5705 int i; 5706 5707 for(i = 0; i < SMCTR_MAX_ADAPTERS; i++) { 5708 struct net_device *dev = dev_smctr[i]; 5709 5710 if (dev) { 5711 5712 unregister_netdev(dev); 5713#ifdef CONFIG_MCA_LEGACY 5714 { struct net_local *tp = netdev_priv(dev); 5715 if (tp->slot_num) 5716 mca_mark_as_unused(tp->slot_num); 5717 } 5718#endif 5719 release_region(dev->base_addr, SMCTR_IO_EXTENT); 5720 if (dev->irq) 5721 free_irq(dev->irq, dev); 5722 5723 free_netdev(dev); 5724 } 5725 } 5726} 5727#endif /* MODULE */ 5728