tjh.dev / kernel
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kernel / drivers / net / tokenring / smctr.c
at v2.6.29-rc8 5742 lines 192 kB view raw
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@lxorguk.ukuu.org.uk> 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#include <linux/firmware.h> 52 53#include <asm/system.h> 54#include <asm/io.h> 55#include <asm/dma.h> 56#include <asm/irq.h> 57 58#if BITS_PER_LONG == 64 59#error FIXME: driver does not support 64-bit platforms 60#endif 61 62#include "smctr.h" /* Our Stuff */ 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, 107 const struct firmware *fw); 108static int smctr_disable_16bit(struct net_device *dev); 109static int smctr_disable_adapter_ctrl_store(struct net_device *dev); 110static int smctr_disable_bic_int(struct net_device *dev); 111 112/* E */ 113static int smctr_enable_16bit(struct net_device *dev); 114static int smctr_enable_adapter_ctrl_store(struct net_device *dev); 115static int smctr_enable_adapter_ram(struct net_device *dev); 116static int smctr_enable_bic_int(struct net_device *dev); 117 118/* G */ 119static int __init smctr_get_boardid(struct net_device *dev, int mca); 120static int smctr_get_group_address(struct net_device *dev); 121static int smctr_get_functional_address(struct net_device *dev); 122static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev); 123static int smctr_get_physical_drop_number(struct net_device *dev); 124static __u8 *smctr_get_rx_pointer(struct net_device *dev, short queue); 125static int smctr_get_station_id(struct net_device *dev); 126static struct net_device_stats *smctr_get_stats(struct net_device *dev); 127static FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue, 128 __u16 bytes_count); 129static int smctr_get_upstream_neighbor_addr(struct net_device *dev); 130 131/* H */ 132static int smctr_hardware_send_packet(struct net_device *dev, 133 struct net_local *tp); 134/* I */ 135static int smctr_init_acbs(struct net_device *dev); 136static int smctr_init_adapter(struct net_device *dev); 137static int smctr_init_card_real(struct net_device *dev); 138static int smctr_init_rx_bdbs(struct net_device *dev); 139static int smctr_init_rx_fcbs(struct net_device *dev); 140static int smctr_init_shared_memory(struct net_device *dev); 141static int smctr_init_tx_bdbs(struct net_device *dev); 142static int smctr_init_tx_fcbs(struct net_device *dev); 143static int smctr_internal_self_test(struct net_device *dev); 144static irqreturn_t smctr_interrupt(int irq, void *dev_id); 145static int smctr_issue_enable_int_cmd(struct net_device *dev, 146 __u16 interrupt_enable_mask); 147static int smctr_issue_int_ack(struct net_device *dev, __u16 iack_code, 148 __u16 ibits); 149static int smctr_issue_init_timers_cmd(struct net_device *dev); 150static int smctr_issue_init_txrx_cmd(struct net_device *dev); 151static int smctr_issue_insert_cmd(struct net_device *dev); 152static int smctr_issue_read_ring_status_cmd(struct net_device *dev); 153static int smctr_issue_read_word_cmd(struct net_device *dev, __u16 aword_cnt); 154static int smctr_issue_remove_cmd(struct net_device *dev); 155static int smctr_issue_resume_acb_cmd(struct net_device *dev); 156static int smctr_issue_resume_rx_bdb_cmd(struct net_device *dev, __u16 queue); 157static int smctr_issue_resume_rx_fcb_cmd(struct net_device *dev, __u16 queue); 158static int smctr_issue_resume_tx_fcb_cmd(struct net_device *dev, __u16 queue); 159static int smctr_issue_test_internal_rom_cmd(struct net_device *dev); 160static int smctr_issue_test_hic_cmd(struct net_device *dev); 161static int smctr_issue_test_mac_reg_cmd(struct net_device *dev); 162static int smctr_issue_trc_loopback_cmd(struct net_device *dev); 163static int smctr_issue_tri_loopback_cmd(struct net_device *dev); 164static int smctr_issue_write_byte_cmd(struct net_device *dev, 165 short aword_cnt, void *byte); 166static int smctr_issue_write_word_cmd(struct net_device *dev, 167 short aword_cnt, void *word); 168 169/* J */ 170static int smctr_join_complete_state(struct net_device *dev); 171 172/* L */ 173static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev); 174static int smctr_load_firmware(struct net_device *dev); 175static int smctr_load_node_addr(struct net_device *dev); 176static int smctr_lobe_media_test(struct net_device *dev); 177static int smctr_lobe_media_test_cmd(struct net_device *dev); 178static int smctr_lobe_media_test_state(struct net_device *dev); 179 180/* M */ 181static int smctr_make_8025_hdr(struct net_device *dev, 182 MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc); 183static int smctr_make_access_pri(struct net_device *dev, 184 MAC_SUB_VECTOR *tsv); 185static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv); 186static int smctr_make_auth_funct_class(struct net_device *dev, 187 MAC_SUB_VECTOR *tsv); 188static int smctr_make_corr(struct net_device *dev, 189 MAC_SUB_VECTOR *tsv, __u16 correlator); 190static int smctr_make_funct_addr(struct net_device *dev, 191 MAC_SUB_VECTOR *tsv); 192static int smctr_make_group_addr(struct net_device *dev, 193 MAC_SUB_VECTOR *tsv); 194static int smctr_make_phy_drop_num(struct net_device *dev, 195 MAC_SUB_VECTOR *tsv); 196static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv); 197static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv); 198static int smctr_make_ring_station_status(struct net_device *dev, 199 MAC_SUB_VECTOR *tsv); 200static int smctr_make_ring_station_version(struct net_device *dev, 201 MAC_SUB_VECTOR *tsv); 202static int smctr_make_tx_status_code(struct net_device *dev, 203 MAC_SUB_VECTOR *tsv, __u16 tx_fstatus); 204static int smctr_make_upstream_neighbor_addr(struct net_device *dev, 205 MAC_SUB_VECTOR *tsv); 206static int smctr_make_wrap_data(struct net_device *dev, 207 MAC_SUB_VECTOR *tsv); 208 209/* O */ 210static int smctr_open(struct net_device *dev); 211static int smctr_open_tr(struct net_device *dev); 212 213/* P */ 214struct net_device *smctr_probe(int unit); 215static int __init smctr_probe1(struct net_device *dev, int ioaddr); 216static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size, 217 struct net_device *dev, __u16 rx_status); 218 219/* R */ 220static int smctr_ram_memory_test(struct net_device *dev); 221static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf, 222 __u16 *correlator); 223static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf, 224 __u16 *correlator); 225static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf); 226static int smctr_rcv_rq_addr_state_attch(struct net_device *dev, 227 MAC_HEADER *rmf, __u16 *correlator); 228static int smctr_rcv_unknown(struct net_device *dev, MAC_HEADER *rmf, 229 __u16 *correlator); 230static int smctr_reset_adapter(struct net_device *dev); 231static int smctr_restart_tx_chain(struct net_device *dev, short queue); 232static int smctr_ring_status_chg(struct net_device *dev); 233static int smctr_rx_frame(struct net_device *dev); 234 235/* S */ 236static int smctr_send_dat(struct net_device *dev); 237static int smctr_send_packet(struct sk_buff *skb, struct net_device *dev); 238static int smctr_send_lobe_media_test(struct net_device *dev); 239static int smctr_send_rpt_addr(struct net_device *dev, MAC_HEADER *rmf, 240 __u16 correlator); 241static int smctr_send_rpt_attch(struct net_device *dev, MAC_HEADER *rmf, 242 __u16 correlator); 243static int smctr_send_rpt_state(struct net_device *dev, MAC_HEADER *rmf, 244 __u16 correlator); 245static int smctr_send_rpt_tx_forward(struct net_device *dev, 246 MAC_HEADER *rmf, __u16 tx_fstatus); 247static int smctr_send_rsp(struct net_device *dev, MAC_HEADER *rmf, 248 __u16 rcode, __u16 correlator); 249static int smctr_send_rq_init(struct net_device *dev); 250static int smctr_send_tx_forward(struct net_device *dev, MAC_HEADER *rmf, 251 __u16 *tx_fstatus); 252static int smctr_set_auth_access_pri(struct net_device *dev, 253 MAC_SUB_VECTOR *rsv); 254static int smctr_set_auth_funct_class(struct net_device *dev, 255 MAC_SUB_VECTOR *rsv); 256static int smctr_set_corr(struct net_device *dev, MAC_SUB_VECTOR *rsv, 257 __u16 *correlator); 258static int smctr_set_error_timer_value(struct net_device *dev, 259 MAC_SUB_VECTOR *rsv); 260static int smctr_set_frame_forward(struct net_device *dev, 261 MAC_SUB_VECTOR *rsv, __u8 dc_sc); 262static int smctr_set_local_ring_num(struct net_device *dev, 263 MAC_SUB_VECTOR *rsv); 264static unsigned short smctr_set_ctrl_attention(struct net_device *dev); 265static void smctr_set_multicast_list(struct net_device *dev); 266static int smctr_set_page(struct net_device *dev, __u8 *buf); 267static int smctr_set_phy_drop(struct net_device *dev, 268 MAC_SUB_VECTOR *rsv); 269static int smctr_set_ring_speed(struct net_device *dev); 270static int smctr_set_rx_look_ahead(struct net_device *dev); 271static int smctr_set_trc_reset(int ioaddr); 272static int smctr_setup_single_cmd(struct net_device *dev, 273 __u16 command, __u16 subcommand); 274static int smctr_setup_single_cmd_w_data(struct net_device *dev, 275 __u16 command, __u16 subcommand); 276static char *smctr_malloc(struct net_device *dev, __u16 size); 277static int smctr_status_chg(struct net_device *dev); 278 279/* T */ 280static void smctr_timeout(struct net_device *dev); 281static int smctr_trc_send_packet(struct net_device *dev, FCBlock *fcb, 282 __u16 queue); 283static __u16 smctr_tx_complete(struct net_device *dev, __u16 queue); 284static unsigned short smctr_tx_move_frame(struct net_device *dev, 285 struct sk_buff *skb, __u8 *pbuff, unsigned int bytes); 286 287/* U */ 288static int smctr_update_err_stats(struct net_device *dev); 289static int smctr_update_rx_chain(struct net_device *dev, __u16 queue); 290static int smctr_update_tx_chain(struct net_device *dev, FCBlock *fcb, 291 __u16 queue); 292 293/* W */ 294static int smctr_wait_cmd(struct net_device *dev); 295static int smctr_wait_while_cbusy(struct net_device *dev); 296 297#define TO_256_BYTE_BOUNDRY(X) (((X + 0xff) & 0xff00) - X) 298#define TO_PARAGRAPH_BOUNDRY(X) (((X + 0x0f) & 0xfff0) - X) 299#define PARAGRAPH_BOUNDRY(X) smctr_malloc(dev, TO_PARAGRAPH_BOUNDRY(X)) 300 301/* Allocate Adapter Shared Memory. 302 * IMPORTANT NOTE: Any changes to this function MUST be mirrored in the 303 * function "get_num_rx_bdbs" below!!! 304 * 305 * Order of memory allocation: 306 * 307 * 0. Initial System Configuration Block Pointer 308 * 1. System Configuration Block 309 * 2. System Control Block 310 * 3. Action Command Block 311 * 4. Interrupt Status Block 312 * 313 * 5. MAC TX FCB'S 314 * 6. NON-MAC TX FCB'S 315 * 7. MAC TX BDB'S 316 * 8. NON-MAC TX BDB'S 317 * 9. MAC RX FCB'S 318 * 10. NON-MAC RX FCB'S 319 * 11. MAC RX BDB'S 320 * 12. NON-MAC RX BDB'S 321 * 13. MAC TX Data Buffer( 1, 256 byte buffer) 322 * 14. MAC RX Data Buffer( 1, 256 byte buffer) 323 * 324 * 15. NON-MAC TX Data Buffer 325 * 16. NON-MAC RX Data Buffer 326 */ 327static int smctr_alloc_shared_memory(struct net_device *dev) 328{ 329 struct net_local *tp = netdev_priv(dev); 330 331 if(smctr_debug > 10) 332 printk(KERN_DEBUG "%s: smctr_alloc_shared_memory\n", dev->name); 333 334 /* Allocate initial System Control Block pointer. 335 * This pointer is located in the last page, last offset - 4. 336 */ 337 tp->iscpb_ptr = (ISCPBlock *)(tp->ram_access + ((__u32)64 * 0x400) 338 - (long)ISCP_BLOCK_SIZE); 339 340 /* Allocate System Control Blocks. */ 341 tp->scgb_ptr = (SCGBlock *)smctr_malloc(dev, sizeof(SCGBlock)); 342 PARAGRAPH_BOUNDRY(tp->sh_mem_used); 343 344 tp->sclb_ptr = (SCLBlock *)smctr_malloc(dev, sizeof(SCLBlock)); 345 PARAGRAPH_BOUNDRY(tp->sh_mem_used); 346 347 tp->acb_head = (ACBlock *)smctr_malloc(dev, 348 sizeof(ACBlock)*tp->num_acbs); 349 PARAGRAPH_BOUNDRY(tp->sh_mem_used); 350 351 tp->isb_ptr = (ISBlock *)smctr_malloc(dev, sizeof(ISBlock)); 352 PARAGRAPH_BOUNDRY(tp->sh_mem_used); 353 354 tp->misc_command_data = (__u16 *)smctr_malloc(dev, MISC_DATA_SIZE); 355 PARAGRAPH_BOUNDRY(tp->sh_mem_used); 356 357 /* Allocate transmit FCBs. */ 358 tp->tx_fcb_head[MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, 359 sizeof(FCBlock) * tp->num_tx_fcbs[MAC_QUEUE]); 360 361 tp->tx_fcb_head[NON_MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, 362 sizeof(FCBlock) * tp->num_tx_fcbs[NON_MAC_QUEUE]); 363 364 tp->tx_fcb_head[BUG_QUEUE] = (FCBlock *)smctr_malloc(dev, 365 sizeof(FCBlock) * tp->num_tx_fcbs[BUG_QUEUE]); 366 367 /* Allocate transmit BDBs. */ 368 tp->tx_bdb_head[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 369 sizeof(BDBlock) * tp->num_tx_bdbs[MAC_QUEUE]); 370 371 tp->tx_bdb_head[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 372 sizeof(BDBlock) * tp->num_tx_bdbs[NON_MAC_QUEUE]); 373 374 tp->tx_bdb_head[BUG_QUEUE] = (BDBlock *)smctr_malloc(dev, 375 sizeof(BDBlock) * tp->num_tx_bdbs[BUG_QUEUE]); 376 377 /* Allocate receive FCBs. */ 378 tp->rx_fcb_head[MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, 379 sizeof(FCBlock) * tp->num_rx_fcbs[MAC_QUEUE]); 380 381 tp->rx_fcb_head[NON_MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, 382 sizeof(FCBlock) * tp->num_rx_fcbs[NON_MAC_QUEUE]); 383 384 /* Allocate receive BDBs. */ 385 tp->rx_bdb_head[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 386 sizeof(BDBlock) * tp->num_rx_bdbs[MAC_QUEUE]); 387 388 tp->rx_bdb_end[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 0); 389 390 tp->rx_bdb_head[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 391 sizeof(BDBlock) * tp->num_rx_bdbs[NON_MAC_QUEUE]); 392 393 tp->rx_bdb_end[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 0); 394 395 /* Allocate MAC transmit buffers. 396 * MAC Tx Buffers doen't have to be on an ODD Boundry. 397 */ 398 tp->tx_buff_head[MAC_QUEUE] 399 = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[MAC_QUEUE]); 400 tp->tx_buff_curr[MAC_QUEUE] = tp->tx_buff_head[MAC_QUEUE]; 401 tp->tx_buff_end [MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); 402 403 /* Allocate BUG transmit buffers. */ 404 tp->tx_buff_head[BUG_QUEUE] 405 = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[BUG_QUEUE]); 406 tp->tx_buff_curr[BUG_QUEUE] = tp->tx_buff_head[BUG_QUEUE]; 407 tp->tx_buff_end[BUG_QUEUE] = (__u16 *)smctr_malloc(dev, 0); 408 409 /* Allocate MAC receive data buffers. 410 * MAC Rx buffer doesn't have to be on a 256 byte boundary. 411 */ 412 tp->rx_buff_head[MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 413 RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[MAC_QUEUE]); 414 tp->rx_buff_end[MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); 415 416 /* Allocate Non-MAC transmit buffers. 417 * ?? For maximum Netware performance, put Tx Buffers on 418 * ODD Boundry and then restore malloc to Even Boundrys. 419 */ 420 smctr_malloc(dev, 1L); 421 tp->tx_buff_head[NON_MAC_QUEUE] 422 = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[NON_MAC_QUEUE]); 423 tp->tx_buff_curr[NON_MAC_QUEUE] = tp->tx_buff_head[NON_MAC_QUEUE]; 424 tp->tx_buff_end [NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); 425 smctr_malloc(dev, 1L); 426 427 /* Allocate Non-MAC receive data buffers. 428 * To guarantee a minimum of 256 contigous memory to 429 * UM_Receive_Packet's lookahead pointer, before a page 430 * change or ring end is encountered, place each rx buffer on 431 * a 256 byte boundary. 432 */ 433 smctr_malloc(dev, TO_256_BYTE_BOUNDRY(tp->sh_mem_used)); 434 tp->rx_buff_head[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 435 RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[NON_MAC_QUEUE]); 436 tp->rx_buff_end[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); 437 438 return (0); 439} 440 441/* Enter Bypass state. */ 442static int smctr_bypass_state(struct net_device *dev) 443{ 444 int err; 445 446 if(smctr_debug > 10) 447 printk(KERN_DEBUG "%s: smctr_bypass_state\n", dev->name); 448 449 err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, JS_BYPASS_STATE); 450 451 return (err); 452} 453 454static int smctr_checksum_firmware(struct net_device *dev) 455{ 456 struct net_local *tp = netdev_priv(dev); 457 __u16 i, checksum = 0; 458 459 if(smctr_debug > 10) 460 printk(KERN_DEBUG "%s: smctr_checksum_firmware\n", dev->name); 461 462 smctr_enable_adapter_ctrl_store(dev); 463 464 for(i = 0; i < CS_RAM_SIZE; i += 2) 465 checksum += *((__u16 *)(tp->ram_access + i)); 466 467 tp->microcode_version = *(__u16 *)(tp->ram_access 468 + CS_RAM_VERSION_OFFSET); 469 tp->microcode_version >>= 8; 470 471 smctr_disable_adapter_ctrl_store(dev); 472 473 if(checksum) 474 return (checksum); 475 476 return (0); 477} 478 479static int __init smctr_chk_mca(struct net_device *dev) 480{ 481#ifdef CONFIG_MCA_LEGACY 482 struct net_local *tp = netdev_priv(dev); 483 int current_slot; 484 __u8 r1, r2, r3, r4, r5; 485 486 current_slot = mca_find_unused_adapter(smctr_posid, 0); 487 if(current_slot == MCA_NOTFOUND) 488 return (-ENODEV); 489 490 mca_set_adapter_name(current_slot, smctr_name); 491 mca_mark_as_used(current_slot); 492 tp->slot_num = current_slot; 493 494 r1 = mca_read_stored_pos(tp->slot_num, 2); 495 r2 = mca_read_stored_pos(tp->slot_num, 3); 496 497 if(tp->slot_num) 498 outb(CNFG_POS_CONTROL_REG, (__u8)((tp->slot_num - 1) | CNFG_SLOT_ENABLE_BIT)); 499 else 500 outb(CNFG_POS_CONTROL_REG, (__u8)((tp->slot_num) | CNFG_SLOT_ENABLE_BIT)); 501 502 r1 = inb(CNFG_POS_REG1); 503 r2 = inb(CNFG_POS_REG0); 504 505 tp->bic_type = BIC_594_CHIP; 506 507 /* IO */ 508 r2 = mca_read_stored_pos(tp->slot_num, 2); 509 r2 &= 0xF0; 510 dev->base_addr = ((__u16)r2 << 8) + (__u16)0x800; 511 request_region(dev->base_addr, SMCTR_IO_EXTENT, smctr_name); 512 513 /* IRQ */ 514 r5 = mca_read_stored_pos(tp->slot_num, 5); 515 r5 &= 0xC; 516 switch(r5) 517 { 518 case 0: 519 dev->irq = 3; 520 break; 521 522 case 0x4: 523 dev->irq = 4; 524 break; 525 526 case 0x8: 527 dev->irq = 10; 528 break; 529 530 default: 531 dev->irq = 15; 532 break; 533 } 534 if (request_irq(dev->irq, smctr_interrupt, IRQF_SHARED, smctr_name, dev)) { 535 release_region(dev->base_addr, SMCTR_IO_EXTENT); 536 return -ENODEV; 537 } 538 539 /* Get RAM base */ 540 r3 = mca_read_stored_pos(tp->slot_num, 3); 541 tp->ram_base = ((__u32)(r3 & 0x7) << 13) + 0x0C0000; 542 if (r3 & 0x8) 543 tp->ram_base += 0x010000; 544 if (r3 & 0x80) 545 tp->ram_base += 0xF00000; 546 547 /* Get Ram Size */ 548 r3 &= 0x30; 549 r3 >>= 4; 550 551 tp->ram_usable = (__u16)CNFG_SIZE_8KB << r3; 552 tp->ram_size = (__u16)CNFG_SIZE_64KB; 553 tp->board_id |= TOKEN_MEDIA; 554 555 r4 = mca_read_stored_pos(tp->slot_num, 4); 556 tp->rom_base = ((__u32)(r4 & 0x7) << 13) + 0x0C0000; 557 if (r4 & 0x8) 558 tp->rom_base += 0x010000; 559 560 /* Get ROM size. */ 561 r4 >>= 4; 562 switch (r4) { 563 case 0: 564 tp->rom_size = CNFG_SIZE_8KB; 565 break; 566 case 1: 567 tp->rom_size = CNFG_SIZE_16KB; 568 break; 569 case 2: 570 tp->rom_size = CNFG_SIZE_32KB; 571 break; 572 default: 573 tp->rom_size = ROM_DISABLE; 574 } 575 576 /* Get Media Type. */ 577 r5 = mca_read_stored_pos(tp->slot_num, 5); 578 r5 &= CNFG_MEDIA_TYPE_MASK; 579 switch(r5) 580 { 581 case (0): 582 tp->media_type = MEDIA_STP_4; 583 break; 584 585 case (1): 586 tp->media_type = MEDIA_STP_16; 587 break; 588 589 case (3): 590 tp->media_type = MEDIA_UTP_16; 591 break; 592 593 default: 594 tp->media_type = MEDIA_UTP_4; 595 break; 596 } 597 tp->media_menu = 14; 598 599 r2 = mca_read_stored_pos(tp->slot_num, 2); 600 if(!(r2 & 0x02)) 601 tp->mode_bits |= EARLY_TOKEN_REL; 602 603 /* Disable slot */ 604 outb(CNFG_POS_CONTROL_REG, 0); 605 606 tp->board_id = smctr_get_boardid(dev, 1); 607 switch(tp->board_id & 0xffff) 608 { 609 case WD8115TA: 610 smctr_model = "8115T/A"; 611 break; 612 613 case WD8115T: 614 if(tp->extra_info & CHIP_REV_MASK) 615 smctr_model = "8115T rev XE"; 616 else 617 smctr_model = "8115T rev XD"; 618 break; 619 620 default: 621 smctr_model = "Unknown"; 622 break; 623 } 624 625 return (0); 626#else 627 return (-1); 628#endif /* CONFIG_MCA_LEGACY */ 629} 630 631static int smctr_chg_rx_mask(struct net_device *dev) 632{ 633 struct net_local *tp = netdev_priv(dev); 634 int err = 0; 635 636 if(smctr_debug > 10) 637 printk(KERN_DEBUG "%s: smctr_chg_rx_mask\n", dev->name); 638 639 smctr_enable_16bit(dev); 640 smctr_set_page(dev, (__u8 *)tp->ram_access); 641 642 if(tp->mode_bits & LOOPING_MODE_MASK) 643 tp->config_word0 |= RX_OWN_BIT; 644 else 645 tp->config_word0 &= ~RX_OWN_BIT; 646 647 if(tp->receive_mask & PROMISCUOUS_MODE) 648 tp->config_word0 |= PROMISCUOUS_BIT; 649 else 650 tp->config_word0 &= ~PROMISCUOUS_BIT; 651 652 if(tp->receive_mask & ACCEPT_ERR_PACKETS) 653 tp->config_word0 |= SAVBAD_BIT; 654 else 655 tp->config_word0 &= ~SAVBAD_BIT; 656 657 if(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) 658 tp->config_word0 |= RXATMAC; 659 else 660 tp->config_word0 &= ~RXATMAC; 661 662 if(tp->receive_mask & ACCEPT_MULTI_PROM) 663 tp->config_word1 |= MULTICAST_ADDRESS_BIT; 664 else 665 tp->config_word1 &= ~MULTICAST_ADDRESS_BIT; 666 667 if(tp->receive_mask & ACCEPT_SOURCE_ROUTING_SPANNING) 668 tp->config_word1 |= SOURCE_ROUTING_SPANNING_BITS; 669 else 670 { 671 if(tp->receive_mask & ACCEPT_SOURCE_ROUTING) 672 tp->config_word1 |= SOURCE_ROUTING_EXPLORER_BIT; 673 else 674 tp->config_word1 &= ~SOURCE_ROUTING_SPANNING_BITS; 675 } 676 677 if((err = smctr_issue_write_word_cmd(dev, RW_CONFIG_REGISTER_0, 678 &tp->config_word0))) 679 { 680 return (err); 681 } 682 683 if((err = smctr_issue_write_word_cmd(dev, RW_CONFIG_REGISTER_1, 684 &tp->config_word1))) 685 { 686 return (err); 687 } 688 689 smctr_disable_16bit(dev); 690 691 return (0); 692} 693 694static int smctr_clear_int(struct net_device *dev) 695{ 696 struct net_local *tp = netdev_priv(dev); 697 698 outb((tp->trc_mask | CSR_CLRTINT), dev->base_addr + CSR); 699 700 return (0); 701} 702 703static int smctr_clear_trc_reset(int ioaddr) 704{ 705 __u8 r; 706 707 r = inb(ioaddr + MSR); 708 outb(~MSR_RST & r, ioaddr + MSR); 709 710 return (0); 711} 712 713/* 714 * The inverse routine to smctr_open(). 715 */ 716static int smctr_close(struct net_device *dev) 717{ 718 struct net_local *tp = netdev_priv(dev); 719 struct sk_buff *skb; 720 int err; 721 722 netif_stop_queue(dev); 723 724 tp->cleanup = 1; 725 726 /* Check to see if adapter is already in a closed state. */ 727 if(tp->status != OPEN) 728 return (0); 729 730 smctr_enable_16bit(dev); 731 smctr_set_page(dev, (__u8 *)tp->ram_access); 732 733 if((err = smctr_issue_remove_cmd(dev))) 734 { 735 smctr_disable_16bit(dev); 736 return (err); 737 } 738 739 for(;;) 740 { 741 skb = skb_dequeue(&tp->SendSkbQueue); 742 if(skb == NULL) 743 break; 744 tp->QueueSkb++; 745 dev_kfree_skb(skb); 746 } 747 748 749 return (0); 750} 751 752static int smctr_decode_firmware(struct net_device *dev, 753 const struct firmware *fw) 754{ 755 struct net_local *tp = netdev_priv(dev); 756 short bit = 0x80, shift = 12; 757 DECODE_TREE_NODE *tree; 758 short branch, tsize; 759 __u16 buff = 0; 760 long weight; 761 __u8 *ucode; 762 __u16 *mem; 763 764 if(smctr_debug > 10) 765 printk(KERN_DEBUG "%s: smctr_decode_firmware\n", dev->name); 766 767 weight = *(long *)(fw->data + WEIGHT_OFFSET); 768 tsize = *(__u8 *)(fw->data + TREE_SIZE_OFFSET); 769 tree = (DECODE_TREE_NODE *)(fw->data + TREE_OFFSET); 770 ucode = (__u8 *)(fw->data + TREE_OFFSET 771 + (tsize * sizeof(DECODE_TREE_NODE))); 772 mem = (__u16 *)(tp->ram_access); 773 774 while(weight) 775 { 776 branch = ROOT; 777 while((tree + branch)->tag != LEAF && weight) 778 { 779 branch = *ucode & bit ? (tree + branch)->llink 780 : (tree + branch)->rlink; 781 782 bit >>= 1; 783 weight--; 784 785 if(bit == 0) 786 { 787 bit = 0x80; 788 ucode++; 789 } 790 } 791 792 buff |= (tree + branch)->info << shift; 793 shift -= 4; 794 795 if(shift < 0) 796 { 797 *(mem++) = SWAP_BYTES(buff); 798 buff = 0; 799 shift = 12; 800 } 801 } 802 803 /* The following assumes the Control Store Memory has 804 * been initialized to zero. If the last partial word 805 * is zero, it will not be written. 806 */ 807 if(buff) 808 *(mem++) = SWAP_BYTES(buff); 809 810 return (0); 811} 812 813static int smctr_disable_16bit(struct net_device *dev) 814{ 815 return (0); 816} 817 818/* 819 * On Exit, Adapter is: 820 * 1. TRC is in a reset state and un-initialized. 821 * 2. Adapter memory is enabled. 822 * 3. Control Store memory is out of context (-WCSS is 1). 823 */ 824static int smctr_disable_adapter_ctrl_store(struct net_device *dev) 825{ 826 struct net_local *tp = netdev_priv(dev); 827 int ioaddr = dev->base_addr; 828 829 if(smctr_debug > 10) 830 printk(KERN_DEBUG "%s: smctr_disable_adapter_ctrl_store\n", dev->name); 831 832 tp->trc_mask |= CSR_WCSS; 833 outb(tp->trc_mask, ioaddr + CSR); 834 835 return (0); 836} 837 838static int smctr_disable_bic_int(struct net_device *dev) 839{ 840 struct net_local *tp = netdev_priv(dev); 841 int ioaddr = dev->base_addr; 842 843 tp->trc_mask = CSR_MSK_ALL | CSR_MSKCBUSY 844 | CSR_MSKTINT | CSR_WCSS; 845 outb(tp->trc_mask, ioaddr + CSR); 846 847 return (0); 848} 849 850static int smctr_enable_16bit(struct net_device *dev) 851{ 852 struct net_local *tp = netdev_priv(dev); 853 __u8 r; 854 855 if(tp->adapter_bus == BUS_ISA16_TYPE) 856 { 857 r = inb(dev->base_addr + LAAR); 858 outb((r | LAAR_MEM16ENB), dev->base_addr + LAAR); 859 } 860 861 return (0); 862} 863 864/* 865 * To enable the adapter control store memory: 866 * 1. Adapter must be in a RESET state. 867 * 2. Adapter memory must be enabled. 868 * 3. Control Store Memory is in context (-WCSS is 0). 869 */ 870static int smctr_enable_adapter_ctrl_store(struct net_device *dev) 871{ 872 struct net_local *tp = netdev_priv(dev); 873 int ioaddr = dev->base_addr; 874 875 if(smctr_debug > 10) 876 printk(KERN_DEBUG "%s: smctr_enable_adapter_ctrl_store\n", dev->name); 877 878 smctr_set_trc_reset(ioaddr); 879 smctr_enable_adapter_ram(dev); 880 881 tp->trc_mask &= ~CSR_WCSS; 882 outb(tp->trc_mask, ioaddr + CSR); 883 884 return (0); 885} 886 887static int smctr_enable_adapter_ram(struct net_device *dev) 888{ 889 int ioaddr = dev->base_addr; 890 __u8 r; 891 892 if(smctr_debug > 10) 893 printk(KERN_DEBUG "%s: smctr_enable_adapter_ram\n", dev->name); 894 895 r = inb(ioaddr + MSR); 896 outb(MSR_MEMB | r, ioaddr + MSR); 897 898 return (0); 899} 900 901static int smctr_enable_bic_int(struct net_device *dev) 902{ 903 struct net_local *tp = netdev_priv(dev); 904 int ioaddr = dev->base_addr; 905 __u8 r; 906 907 switch(tp->bic_type) 908 { 909 case (BIC_584_CHIP): 910 tp->trc_mask = CSR_MSKCBUSY | CSR_WCSS; 911 outb(tp->trc_mask, ioaddr + CSR); 912 r = inb(ioaddr + IRR); 913 outb(r | IRR_IEN, ioaddr + IRR); 914 break; 915 916 case (BIC_594_CHIP): 917 tp->trc_mask = CSR_MSKCBUSY | CSR_WCSS; 918 outb(tp->trc_mask, ioaddr + CSR); 919 r = inb(ioaddr + IMCCR); 920 outb(r | IMCCR_EIL, ioaddr + IMCCR); 921 break; 922 } 923 924 return (0); 925} 926 927static int __init smctr_chk_isa(struct net_device *dev) 928{ 929 struct net_local *tp = netdev_priv(dev); 930 int ioaddr = dev->base_addr; 931 __u8 r1, r2, b, chksum = 0; 932 __u16 r; 933 int i; 934 int err = -ENODEV; 935 936 if(smctr_debug > 10) 937 printk(KERN_DEBUG "%s: smctr_chk_isa %#4x\n", dev->name, ioaddr); 938 939 if((ioaddr & 0x1F) != 0) 940 goto out; 941 942 /* Grab the region so that no one else tries to probe our ioports. */ 943 if (!request_region(ioaddr, SMCTR_IO_EXTENT, smctr_name)) { 944 err = -EBUSY; 945 goto out; 946 } 947 948 /* Checksum SMC node address */ 949 for(i = 0; i < 8; i++) 950 { 951 b = inb(ioaddr + LAR0 + i); 952 chksum += b; 953 } 954 955 if (chksum != NODE_ADDR_CKSUM) 956 goto out2; 957 958 b = inb(ioaddr + BDID); 959 if(b != BRD_ID_8115T) 960 { 961 printk(KERN_ERR "%s: The adapter found is not supported\n", dev->name); 962 goto out2; 963 } 964 965 /* Check for 8115T Board ID */ 966 r2 = 0; 967 for(r = 0; r < 8; r++) 968 { 969 r1 = inb(ioaddr + 0x8 + r); 970 r2 += r1; 971 } 972 973 /* value of RegF adds up the sum to 0xFF */ 974 if((r2 != 0xFF) && (r2 != 0xEE)) 975 goto out2; 976 977 /* Get adapter ID */ 978 tp->board_id = smctr_get_boardid(dev, 0); 979 switch(tp->board_id & 0xffff) 980 { 981 case WD8115TA: 982 smctr_model = "8115T/A"; 983 break; 984 985 case WD8115T: 986 if(tp->extra_info & CHIP_REV_MASK) 987 smctr_model = "8115T rev XE"; 988 else 989 smctr_model = "8115T rev XD"; 990 break; 991 992 default: 993 smctr_model = "Unknown"; 994 break; 995 } 996 997 /* Store BIC type. */ 998 tp->bic_type = BIC_584_CHIP; 999 tp->nic_type = NIC_825_CHIP; 1000 1001 /* Copy Ram Size */ 1002 tp->ram_usable = CNFG_SIZE_16KB; 1003 tp->ram_size = CNFG_SIZE_64KB; 1004 1005 /* Get 58x Ram Base */ 1006 r1 = inb(ioaddr); 1007 r1 &= 0x3F; 1008 1009 r2 = inb(ioaddr + CNFG_LAAR_584); 1010 r2 &= CNFG_LAAR_MASK; 1011 r2 <<= 3; 1012 r2 |= ((r1 & 0x38) >> 3); 1013 1014 tp->ram_base = ((__u32)r2 << 16) + (((__u32)(r1 & 0x7)) << 13); 1015 1016 /* Get 584 Irq */ 1017 r1 = 0; 1018 r1 = inb(ioaddr + CNFG_ICR_583); 1019 r1 &= CNFG_ICR_IR2_584; 1020 1021 r2 = inb(ioaddr + CNFG_IRR_583); 1022 r2 &= CNFG_IRR_IRQS; /* 0x60 */ 1023 r2 >>= 5; 1024 1025 switch(r2) 1026 { 1027 case 0: 1028 if(r1 == 0) 1029 dev->irq = 2; 1030 else 1031 dev->irq = 10; 1032 break; 1033 1034 case 1: 1035 if(r1 == 0) 1036 dev->irq = 3; 1037 else 1038 dev->irq = 11; 1039 break; 1040 1041 case 2: 1042 if(r1 == 0) 1043 { 1044 if(tp->extra_info & ALTERNATE_IRQ_BIT) 1045 dev->irq = 5; 1046 else 1047 dev->irq = 4; 1048 } 1049 else 1050 dev->irq = 15; 1051 break; 1052 1053 case 3: 1054 if(r1 == 0) 1055 dev->irq = 7; 1056 else 1057 dev->irq = 4; 1058 break; 1059 1060 default: 1061 printk(KERN_ERR "%s: No IRQ found aborting\n", dev->name); 1062 goto out2; 1063 } 1064 1065 if (request_irq(dev->irq, smctr_interrupt, IRQF_SHARED, smctr_name, dev)) 1066 goto out2; 1067 1068 /* Get 58x Rom Base */ 1069 r1 = inb(ioaddr + CNFG_BIO_583); 1070 r1 &= 0x3E; 1071 r1 |= 0x40; 1072 1073 tp->rom_base = (__u32)r1 << 13; 1074 1075 /* Get 58x Rom Size */ 1076 r1 = inb(ioaddr + CNFG_BIO_583); 1077 r1 &= 0xC0; 1078 if(r1 == 0) 1079 tp->rom_size = ROM_DISABLE; 1080 else 1081 { 1082 r1 >>= 6; 1083 tp->rom_size = (__u16)CNFG_SIZE_8KB << r1; 1084 } 1085 1086 /* Get 58x Boot Status */ 1087 r1 = inb(ioaddr + CNFG_GP2); 1088 1089 tp->mode_bits &= (~BOOT_STATUS_MASK); 1090 1091 if(r1 & CNFG_GP2_BOOT_NIBBLE) 1092 tp->mode_bits |= BOOT_TYPE_1; 1093 1094 /* Get 58x Zero Wait State */ 1095 tp->mode_bits &= (~ZERO_WAIT_STATE_MASK); 1096 1097 r1 = inb(ioaddr + CNFG_IRR_583); 1098 1099 if(r1 & CNFG_IRR_ZWS) 1100 tp->mode_bits |= ZERO_WAIT_STATE_8_BIT; 1101 1102 if(tp->board_id & BOARD_16BIT) 1103 { 1104 r1 = inb(ioaddr + CNFG_LAAR_584); 1105 1106 if(r1 & CNFG_LAAR_ZWS) 1107 tp->mode_bits |= ZERO_WAIT_STATE_16_BIT; 1108 } 1109 1110 /* Get 584 Media Menu */ 1111 tp->media_menu = 14; 1112 r1 = inb(ioaddr + CNFG_IRR_583); 1113 1114 tp->mode_bits &= 0xf8ff; /* (~CNFG_INTERFACE_TYPE_MASK) */ 1115 if((tp->board_id & TOKEN_MEDIA) == TOKEN_MEDIA) 1116 { 1117 /* Get Advanced Features */ 1118 if(((r1 & 0x6) >> 1) == 0x3) 1119 tp->media_type |= MEDIA_UTP_16; 1120 else 1121 { 1122 if(((r1 & 0x6) >> 1) == 0x2) 1123 tp->media_type |= MEDIA_STP_16; 1124 else 1125 { 1126 if(((r1 & 0x6) >> 1) == 0x1) 1127 tp->media_type |= MEDIA_UTP_4; 1128 1129 else 1130 tp->media_type |= MEDIA_STP_4; 1131 } 1132 } 1133 1134 r1 = inb(ioaddr + CNFG_GP2); 1135 if(!(r1 & 0x2) ) /* GP2_ETRD */ 1136 tp->mode_bits |= EARLY_TOKEN_REL; 1137 1138 /* see if the chip is corrupted 1139 if(smctr_read_584_chksum(ioaddr)) 1140 { 1141 printk(KERN_ERR "%s: EEPROM Checksum Failure\n", dev->name); 1142 free_irq(dev->irq, dev); 1143 goto out2; 1144 } 1145 */ 1146 } 1147 1148 return (0); 1149 1150out2: 1151 release_region(ioaddr, SMCTR_IO_EXTENT); 1152out: 1153 return err; 1154} 1155 1156static int __init smctr_get_boardid(struct net_device *dev, int mca) 1157{ 1158 struct net_local *tp = netdev_priv(dev); 1159 int ioaddr = dev->base_addr; 1160 __u8 r, r1, IdByte; 1161 __u16 BoardIdMask; 1162 1163 tp->board_id = BoardIdMask = 0; 1164 1165 if(mca) 1166 { 1167 BoardIdMask |= (MICROCHANNEL+INTERFACE_CHIP+TOKEN_MEDIA+PAGED_RAM+BOARD_16BIT); 1168 tp->extra_info |= (INTERFACE_594_CHIP+RAM_SIZE_64K+NIC_825_BIT+ALTERNATE_IRQ_BIT+SLOT_16BIT); 1169 } 1170 else 1171 { 1172 BoardIdMask|=(INTERFACE_CHIP+TOKEN_MEDIA+PAGED_RAM+BOARD_16BIT); 1173 tp->extra_info |= (INTERFACE_584_CHIP + RAM_SIZE_64K 1174 + NIC_825_BIT + ALTERNATE_IRQ_BIT); 1175 } 1176 1177 if(!mca) 1178 { 1179 r = inb(ioaddr + BID_REG_1); 1180 r &= 0x0c; 1181 outb(r, ioaddr + BID_REG_1); 1182 r = inb(ioaddr + BID_REG_1); 1183 1184 if(r & BID_SIXTEEN_BIT_BIT) 1185 { 1186 tp->extra_info |= SLOT_16BIT; 1187 tp->adapter_bus = BUS_ISA16_TYPE; 1188 } 1189 else 1190 tp->adapter_bus = BUS_ISA8_TYPE; 1191 } 1192 else 1193 tp->adapter_bus = BUS_MCA_TYPE; 1194 1195 /* Get Board Id Byte */ 1196 IdByte = inb(ioaddr + BID_BOARD_ID_BYTE); 1197 1198 /* if Major version > 1.0 then 1199 * return; 1200 */ 1201 if(IdByte & 0xF8) 1202 return (-1); 1203 1204 r1 = inb(ioaddr + BID_REG_1); 1205 r1 &= BID_ICR_MASK; 1206 r1 |= BID_OTHER_BIT; 1207 1208 outb(r1, ioaddr + BID_REG_1); 1209 r1 = inb(ioaddr + BID_REG_3); 1210 1211 r1 &= BID_EAR_MASK; 1212 r1 |= BID_ENGR_PAGE; 1213 1214 outb(r1, ioaddr + BID_REG_3); 1215 r1 = inb(ioaddr + BID_REG_1); 1216 r1 &= BID_ICR_MASK; 1217 r1 |= (BID_RLA | BID_OTHER_BIT); 1218 1219 outb(r1, ioaddr + BID_REG_1); 1220 1221 r1 = inb(ioaddr + BID_REG_1); 1222 while(r1 & BID_RECALL_DONE_MASK) 1223 r1 = inb(ioaddr + BID_REG_1); 1224 1225 r = inb(ioaddr + BID_LAR_0 + BID_REG_6); 1226 1227 /* clear chip rev bits */ 1228 tp->extra_info &= ~CHIP_REV_MASK; 1229 tp->extra_info |= ((r & BID_EEPROM_CHIP_REV_MASK) << 6); 1230 1231 r1 = inb(ioaddr + BID_REG_1); 1232 r1 &= BID_ICR_MASK; 1233 r1 |= BID_OTHER_BIT; 1234 1235 outb(r1, ioaddr + BID_REG_1); 1236 r1 = inb(ioaddr + BID_REG_3); 1237 1238 r1 &= BID_EAR_MASK; 1239 r1 |= BID_EA6; 1240 1241 outb(r1, ioaddr + BID_REG_3); 1242 r1 = inb(ioaddr + BID_REG_1); 1243 1244 r1 &= BID_ICR_MASK; 1245 r1 |= BID_RLA; 1246 1247 outb(r1, ioaddr + BID_REG_1); 1248 r1 = inb(ioaddr + BID_REG_1); 1249 1250 while(r1 & BID_RECALL_DONE_MASK) 1251 r1 = inb(ioaddr + BID_REG_1); 1252 1253 return (BoardIdMask); 1254} 1255 1256static int smctr_get_group_address(struct net_device *dev) 1257{ 1258 smctr_issue_read_word_cmd(dev, RW_INDIVIDUAL_GROUP_ADDR); 1259 1260 return(smctr_wait_cmd(dev)); 1261} 1262 1263static int smctr_get_functional_address(struct net_device *dev) 1264{ 1265 smctr_issue_read_word_cmd(dev, RW_FUNCTIONAL_ADDR); 1266 1267 return(smctr_wait_cmd(dev)); 1268} 1269 1270/* Calculate number of Non-MAC receive BDB's and data buffers. 1271 * This function must simulate allocateing shared memory exactly 1272 * as the allocate_shared_memory function above. 1273 */ 1274static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev) 1275{ 1276 struct net_local *tp = netdev_priv(dev); 1277 unsigned int mem_used = 0; 1278 1279 /* Allocate System Control Blocks. */ 1280 mem_used += sizeof(SCGBlock); 1281 1282 mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); 1283 mem_used += sizeof(SCLBlock); 1284 1285 mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); 1286 mem_used += sizeof(ACBlock) * tp->num_acbs; 1287 1288 mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); 1289 mem_used += sizeof(ISBlock); 1290 1291 mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); 1292 mem_used += MISC_DATA_SIZE; 1293 1294 /* Allocate transmit FCB's. */ 1295 mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); 1296 1297 mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[MAC_QUEUE]; 1298 mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[NON_MAC_QUEUE]; 1299 mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[BUG_QUEUE]; 1300 1301 /* Allocate transmit BDBs. */ 1302 mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[MAC_QUEUE]; 1303 mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[NON_MAC_QUEUE]; 1304 mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[BUG_QUEUE]; 1305 1306 /* Allocate receive FCBs. */ 1307 mem_used += sizeof(FCBlock) * tp->num_rx_fcbs[MAC_QUEUE]; 1308 mem_used += sizeof(FCBlock) * tp->num_rx_fcbs[NON_MAC_QUEUE]; 1309 1310 /* Allocate receive BDBs. */ 1311 mem_used += sizeof(BDBlock) * tp->num_rx_bdbs[MAC_QUEUE]; 1312 1313 /* Allocate MAC transmit buffers. 1314 * MAC transmit buffers don't have to be on an ODD Boundry. 1315 */ 1316 mem_used += tp->tx_buff_size[MAC_QUEUE]; 1317 1318 /* Allocate BUG transmit buffers. */ 1319 mem_used += tp->tx_buff_size[BUG_QUEUE]; 1320 1321 /* Allocate MAC receive data buffers. 1322 * MAC receive buffers don't have to be on a 256 byte boundary. 1323 */ 1324 mem_used += RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[MAC_QUEUE]; 1325 1326 /* Allocate Non-MAC transmit buffers. 1327 * For maximum Netware performance, put Tx Buffers on 1328 * ODD Boundry,and then restore malloc to Even Boundrys. 1329 */ 1330 mem_used += 1L; 1331 mem_used += tp->tx_buff_size[NON_MAC_QUEUE]; 1332 mem_used += 1L; 1333 1334 /* CALCULATE NUMBER OF NON-MAC RX BDB'S 1335 * AND NON-MAC RX DATA BUFFERS 1336 * 1337 * Make sure the mem_used offset at this point is the 1338 * same as in allocate_shared memory or the following 1339 * boundary adjustment will be incorrect (i.e. not allocating 1340 * the non-mac receive buffers above cannot change the 256 1341 * byte offset). 1342 * 1343 * Since this cannot be guaranteed, adding the full 256 bytes 1344 * to the amount of shared memory used at this point will guaranteed 1345 * that the rx data buffers do not overflow shared memory. 1346 */ 1347 mem_used += 0x100; 1348 1349 return((0xffff - mem_used) / (RX_DATA_BUFFER_SIZE + sizeof(BDBlock))); 1350} 1351 1352static int smctr_get_physical_drop_number(struct net_device *dev) 1353{ 1354 smctr_issue_read_word_cmd(dev, RW_PHYSICAL_DROP_NUMBER); 1355 1356 return(smctr_wait_cmd(dev)); 1357} 1358 1359static __u8 * smctr_get_rx_pointer(struct net_device *dev, short queue) 1360{ 1361 struct net_local *tp = netdev_priv(dev); 1362 BDBlock *bdb; 1363 1364 bdb = (BDBlock *)((__u32)tp->ram_access 1365 + (__u32)(tp->rx_fcb_curr[queue]->trc_bdb_ptr)); 1366 1367 tp->rx_fcb_curr[queue]->bdb_ptr = bdb; 1368 1369 return ((__u8 *)bdb->data_block_ptr); 1370} 1371 1372static int smctr_get_station_id(struct net_device *dev) 1373{ 1374 smctr_issue_read_word_cmd(dev, RW_INDIVIDUAL_MAC_ADDRESS); 1375 1376 return(smctr_wait_cmd(dev)); 1377} 1378 1379/* 1380 * Get the current statistics. This may be called with the card open 1381 * or closed. 1382 */ 1383static struct net_device_stats *smctr_get_stats(struct net_device *dev) 1384{ 1385 struct net_local *tp = netdev_priv(dev); 1386 1387 return ((struct net_device_stats *)&tp->MacStat); 1388} 1389 1390static FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue, 1391 __u16 bytes_count) 1392{ 1393 struct net_local *tp = netdev_priv(dev); 1394 FCBlock *pFCB; 1395 BDBlock *pbdb; 1396 unsigned short alloc_size; 1397 unsigned short *temp; 1398 1399 if(smctr_debug > 20) 1400 printk(KERN_DEBUG "smctr_get_tx_fcb\n"); 1401 1402 /* check if there is enough FCB blocks */ 1403 if(tp->num_tx_fcbs_used[queue] >= tp->num_tx_fcbs[queue]) 1404 return ((FCBlock *)(-1L)); 1405 1406 /* round off the input pkt size to the nearest even number */ 1407 alloc_size = (bytes_count + 1) & 0xfffe; 1408 1409 /* check if enough mem */ 1410 if((tp->tx_buff_used[queue] + alloc_size) > tp->tx_buff_size[queue]) 1411 return ((FCBlock *)(-1L)); 1412 1413 /* check if past the end ; 1414 * if exactly enough mem to end of ring, alloc from front. 1415 * this avoids update of curr when curr = end 1416 */ 1417 if(((unsigned long)(tp->tx_buff_curr[queue]) + alloc_size) 1418 >= (unsigned long)(tp->tx_buff_end[queue])) 1419 { 1420 /* check if enough memory from ring head */ 1421 alloc_size = alloc_size + 1422 (__u16)((__u32)tp->tx_buff_end[queue] 1423 - (__u32)tp->tx_buff_curr[queue]); 1424 1425 if((tp->tx_buff_used[queue] + alloc_size) 1426 > tp->tx_buff_size[queue]) 1427 { 1428 return ((FCBlock *)(-1L)); 1429 } 1430 1431 /* ring wrap */ 1432 tp->tx_buff_curr[queue] = tp->tx_buff_head[queue]; 1433 } 1434 1435 tp->tx_buff_used[queue] += alloc_size; 1436 tp->num_tx_fcbs_used[queue]++; 1437 tp->tx_fcb_curr[queue]->frame_length = bytes_count; 1438 tp->tx_fcb_curr[queue]->memory_alloc = alloc_size; 1439 temp = tp->tx_buff_curr[queue]; 1440 tp->tx_buff_curr[queue] 1441 = (__u16 *)((__u32)temp + (__u32)((bytes_count + 1) & 0xfffe)); 1442 1443 pbdb = tp->tx_fcb_curr[queue]->bdb_ptr; 1444 pbdb->buffer_length = bytes_count; 1445 pbdb->data_block_ptr = temp; 1446 pbdb->trc_data_block_ptr = TRC_POINTER(temp); 1447 1448 pFCB = tp->tx_fcb_curr[queue]; 1449 tp->tx_fcb_curr[queue] = tp->tx_fcb_curr[queue]->next_ptr; 1450 1451 return (pFCB); 1452} 1453 1454static int smctr_get_upstream_neighbor_addr(struct net_device *dev) 1455{ 1456 smctr_issue_read_word_cmd(dev, RW_UPSTREAM_NEIGHBOR_ADDRESS); 1457 1458 return(smctr_wait_cmd(dev)); 1459} 1460 1461static int smctr_hardware_send_packet(struct net_device *dev, 1462 struct net_local *tp) 1463{ 1464 struct tr_statistics *tstat = &tp->MacStat; 1465 struct sk_buff *skb; 1466 FCBlock *fcb; 1467 1468 if(smctr_debug > 10) 1469 printk(KERN_DEBUG"%s: smctr_hardware_send_packet\n", dev->name); 1470 1471 if(tp->status != OPEN) 1472 return (-1); 1473 1474 if(tp->monitor_state_ready != 1) 1475 return (-1); 1476 1477 for(;;) 1478 { 1479 /* Send first buffer from queue */ 1480 skb = skb_dequeue(&tp->SendSkbQueue); 1481 if(skb == NULL) 1482 return (-1); 1483 1484 tp->QueueSkb++; 1485 1486 if(skb->len < SMC_HEADER_SIZE || skb->len > tp->max_packet_size) return (-1); 1487 1488 smctr_enable_16bit(dev); 1489 smctr_set_page(dev, (__u8 *)tp->ram_access); 1490 1491 if((fcb = smctr_get_tx_fcb(dev, NON_MAC_QUEUE, skb->len)) 1492 == (FCBlock *)(-1L)) 1493 { 1494 smctr_disable_16bit(dev); 1495 return (-1); 1496 } 1497 1498 smctr_tx_move_frame(dev, skb, 1499 (__u8 *)fcb->bdb_ptr->data_block_ptr, skb->len); 1500 1501 smctr_set_page(dev, (__u8 *)fcb); 1502 1503 smctr_trc_send_packet(dev, fcb, NON_MAC_QUEUE); 1504 dev_kfree_skb(skb); 1505 1506 tstat->tx_packets++; 1507 1508 smctr_disable_16bit(dev); 1509 } 1510 1511 return (0); 1512} 1513 1514static int smctr_init_acbs(struct net_device *dev) 1515{ 1516 struct net_local *tp = netdev_priv(dev); 1517 unsigned int i; 1518 ACBlock *acb; 1519 1520 if(smctr_debug > 10) 1521 printk(KERN_DEBUG "%s: smctr_init_acbs\n", dev->name); 1522 1523 acb = tp->acb_head; 1524 acb->cmd_done_status = (ACB_COMMAND_DONE | ACB_COMMAND_SUCCESSFUL); 1525 acb->cmd_info = ACB_CHAIN_END; 1526 acb->cmd = 0; 1527 acb->subcmd = 0; 1528 acb->data_offset_lo = 0; 1529 acb->data_offset_hi = 0; 1530 acb->next_ptr 1531 = (ACBlock *)(((char *)acb) + sizeof(ACBlock)); 1532 acb->trc_next_ptr = TRC_POINTER(acb->next_ptr); 1533 1534 for(i = 1; i < tp->num_acbs; i++) 1535 { 1536 acb = acb->next_ptr; 1537 acb->cmd_done_status 1538 = (ACB_COMMAND_DONE | ACB_COMMAND_SUCCESSFUL); 1539 acb->cmd_info = ACB_CHAIN_END; 1540 acb->cmd = 0; 1541 acb->subcmd = 0; 1542 acb->data_offset_lo = 0; 1543 acb->data_offset_hi = 0; 1544 acb->next_ptr 1545 = (ACBlock *)(((char *)acb) + sizeof(ACBlock)); 1546 acb->trc_next_ptr = TRC_POINTER(acb->next_ptr); 1547 } 1548 1549 acb->next_ptr = tp->acb_head; 1550 acb->trc_next_ptr = TRC_POINTER(tp->acb_head); 1551 tp->acb_next = tp->acb_head->next_ptr; 1552 tp->acb_curr = tp->acb_head->next_ptr; 1553 tp->num_acbs_used = 0; 1554 1555 return (0); 1556} 1557 1558static int smctr_init_adapter(struct net_device *dev) 1559{ 1560 struct net_local *tp = netdev_priv(dev); 1561 int err; 1562 1563 if(smctr_debug > 10) 1564 printk(KERN_DEBUG "%s: smctr_init_adapter\n", dev->name); 1565 1566 tp->status = CLOSED; 1567 tp->page_offset_mask = (tp->ram_usable * 1024) - 1; 1568 skb_queue_head_init(&tp->SendSkbQueue); 1569 tp->QueueSkb = MAX_TX_QUEUE; 1570 1571 if(!(tp->group_address_0 & 0x0080)) 1572 tp->group_address_0 |= 0x00C0; 1573 1574 if(!(tp->functional_address_0 & 0x00C0)) 1575 tp->functional_address_0 |= 0x00C0; 1576 1577 tp->functional_address[0] &= 0xFF7F; 1578 1579 if(tp->authorized_function_classes == 0) 1580 tp->authorized_function_classes = 0x7FFF; 1581 1582 if(tp->authorized_access_priority == 0) 1583 tp->authorized_access_priority = 0x06; 1584 1585 smctr_disable_bic_int(dev); 1586 smctr_set_trc_reset(dev->base_addr); 1587 1588 smctr_enable_16bit(dev); 1589 smctr_set_page(dev, (__u8 *)tp->ram_access); 1590 1591 if(smctr_checksum_firmware(dev)) 1592 { 1593 printk(KERN_ERR "%s: Previously loaded firmware is missing\n",dev->name); return (-ENOENT); 1594 } 1595 1596 if((err = smctr_ram_memory_test(dev))) 1597 { 1598 printk(KERN_ERR "%s: RAM memory test failed.\n", dev->name); 1599 return (-EIO); 1600 } 1601 1602 smctr_set_rx_look_ahead(dev); 1603 smctr_load_node_addr(dev); 1604 1605 /* Initialize adapter for Internal Self Test. */ 1606 smctr_reset_adapter(dev); 1607 if((err = smctr_init_card_real(dev))) 1608 { 1609 printk(KERN_ERR "%s: Initialization of card failed (%d)\n", 1610 dev->name, err); 1611 return (-EINVAL); 1612 } 1613 1614 /* This routine clobbers the TRC's internal registers. */ 1615 if((err = smctr_internal_self_test(dev))) 1616 { 1617 printk(KERN_ERR "%s: Card failed internal self test (%d)\n", 1618 dev->name, err); 1619 return (-EINVAL); 1620 } 1621 1622 /* Re-Initialize adapter's internal registers */ 1623 smctr_reset_adapter(dev); 1624 if((err = smctr_init_card_real(dev))) 1625 { 1626 printk(KERN_ERR "%s: Initialization of card failed (%d)\n", 1627 dev->name, err); 1628 return (-EINVAL); 1629 } 1630 1631 smctr_enable_bic_int(dev); 1632 1633 if((err = smctr_issue_enable_int_cmd(dev, TRC_INTERRUPT_ENABLE_MASK))) 1634 return (err); 1635 1636 smctr_disable_16bit(dev); 1637 1638 return (0); 1639} 1640 1641static int smctr_init_card_real(struct net_device *dev) 1642{ 1643 struct net_local *tp = netdev_priv(dev); 1644 int err = 0; 1645 1646 if(smctr_debug > 10) 1647 printk(KERN_DEBUG "%s: smctr_init_card_real\n", dev->name); 1648 1649 tp->sh_mem_used = 0; 1650 tp->num_acbs = NUM_OF_ACBS; 1651 1652 /* Range Check Max Packet Size */ 1653 if(tp->max_packet_size < 256) 1654 tp->max_packet_size = 256; 1655 else 1656 { 1657 if(tp->max_packet_size > NON_MAC_TX_BUFFER_MEMORY) 1658 tp->max_packet_size = NON_MAC_TX_BUFFER_MEMORY; 1659 } 1660 1661 tp->num_of_tx_buffs = (NON_MAC_TX_BUFFER_MEMORY 1662 / tp->max_packet_size) - 1; 1663 1664 if(tp->num_of_tx_buffs > NUM_NON_MAC_TX_FCBS) 1665 tp->num_of_tx_buffs = NUM_NON_MAC_TX_FCBS; 1666 else 1667 { 1668 if(tp->num_of_tx_buffs == 0) 1669 tp->num_of_tx_buffs = 1; 1670 } 1671 1672 /* Tx queue constants */ 1673 tp->num_tx_fcbs [BUG_QUEUE] = NUM_BUG_TX_FCBS; 1674 tp->num_tx_bdbs [BUG_QUEUE] = NUM_BUG_TX_BDBS; 1675 tp->tx_buff_size [BUG_QUEUE] = BUG_TX_BUFFER_MEMORY; 1676 tp->tx_buff_used [BUG_QUEUE] = 0; 1677 tp->tx_queue_status [BUG_QUEUE] = NOT_TRANSMITING; 1678 1679 tp->num_tx_fcbs [MAC_QUEUE] = NUM_MAC_TX_FCBS; 1680 tp->num_tx_bdbs [MAC_QUEUE] = NUM_MAC_TX_BDBS; 1681 tp->tx_buff_size [MAC_QUEUE] = MAC_TX_BUFFER_MEMORY; 1682 tp->tx_buff_used [MAC_QUEUE] = 0; 1683 tp->tx_queue_status [MAC_QUEUE] = NOT_TRANSMITING; 1684 1685 tp->num_tx_fcbs [NON_MAC_QUEUE] = NUM_NON_MAC_TX_FCBS; 1686 tp->num_tx_bdbs [NON_MAC_QUEUE] = NUM_NON_MAC_TX_BDBS; 1687 tp->tx_buff_size [NON_MAC_QUEUE] = NON_MAC_TX_BUFFER_MEMORY; 1688 tp->tx_buff_used [NON_MAC_QUEUE] = 0; 1689 tp->tx_queue_status [NON_MAC_QUEUE] = NOT_TRANSMITING; 1690 1691 /* Receive Queue Constants */ 1692 tp->num_rx_fcbs[MAC_QUEUE] = NUM_MAC_RX_FCBS; 1693 tp->num_rx_bdbs[MAC_QUEUE] = NUM_MAC_RX_BDBS; 1694 1695 if(tp->extra_info & CHIP_REV_MASK) 1696 tp->num_rx_fcbs[NON_MAC_QUEUE] = 78; /* 825 Rev. XE */ 1697 else 1698 tp->num_rx_fcbs[NON_MAC_QUEUE] = 7; /* 825 Rev. XD */ 1699 1700 tp->num_rx_bdbs[NON_MAC_QUEUE] = smctr_get_num_rx_bdbs(dev); 1701 1702 smctr_alloc_shared_memory(dev); 1703 smctr_init_shared_memory(dev); 1704 1705 if((err = smctr_issue_init_timers_cmd(dev))) 1706 return (err); 1707 1708 if((err = smctr_issue_init_txrx_cmd(dev))) 1709 { 1710 printk(KERN_ERR "%s: Hardware failure\n", dev->name); 1711 return (err); 1712 } 1713 1714 return (0); 1715} 1716 1717static int smctr_init_rx_bdbs(struct net_device *dev) 1718{ 1719 struct net_local *tp = netdev_priv(dev); 1720 unsigned int i, j; 1721 BDBlock *bdb; 1722 __u16 *buf; 1723 1724 if(smctr_debug > 10) 1725 printk(KERN_DEBUG "%s: smctr_init_rx_bdbs\n", dev->name); 1726 1727 for(i = 0; i < NUM_RX_QS_USED; i++) 1728 { 1729 bdb = tp->rx_bdb_head[i]; 1730 buf = tp->rx_buff_head[i]; 1731 bdb->info = (BDB_CHAIN_END | BDB_NO_WARNING); 1732 bdb->buffer_length = RX_DATA_BUFFER_SIZE; 1733 bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); 1734 bdb->data_block_ptr = buf; 1735 bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); 1736 1737 if(i == NON_MAC_QUEUE) 1738 bdb->trc_data_block_ptr = RX_BUFF_TRC_POINTER(buf); 1739 else 1740 bdb->trc_data_block_ptr = TRC_POINTER(buf); 1741 1742 for(j = 1; j < tp->num_rx_bdbs[i]; j++) 1743 { 1744 bdb->next_ptr->back_ptr = bdb; 1745 bdb = bdb->next_ptr; 1746 buf = (__u16 *)((char *)buf + RX_DATA_BUFFER_SIZE); 1747 bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); 1748 bdb->buffer_length = RX_DATA_BUFFER_SIZE; 1749 bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); 1750 bdb->data_block_ptr = buf; 1751 bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); 1752 1753 if(i == NON_MAC_QUEUE) 1754 bdb->trc_data_block_ptr = RX_BUFF_TRC_POINTER(buf); 1755 else 1756 bdb->trc_data_block_ptr = TRC_POINTER(buf); 1757 } 1758 1759 bdb->next_ptr = tp->rx_bdb_head[i]; 1760 bdb->trc_next_ptr = TRC_POINTER(tp->rx_bdb_head[i]); 1761 1762 tp->rx_bdb_head[i]->back_ptr = bdb; 1763 tp->rx_bdb_curr[i] = tp->rx_bdb_head[i]->next_ptr; 1764 } 1765 1766 return (0); 1767} 1768 1769static int smctr_init_rx_fcbs(struct net_device *dev) 1770{ 1771 struct net_local *tp = netdev_priv(dev); 1772 unsigned int i, j; 1773 FCBlock *fcb; 1774 1775 for(i = 0; i < NUM_RX_QS_USED; i++) 1776 { 1777 fcb = tp->rx_fcb_head[i]; 1778 fcb->frame_status = 0; 1779 fcb->frame_length = 0; 1780 fcb->info = FCB_CHAIN_END; 1781 fcb->next_ptr = (FCBlock *)(((char*)fcb) + sizeof(FCBlock)); 1782 if(i == NON_MAC_QUEUE) 1783 fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr); 1784 else 1785 fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); 1786 1787 for(j = 1; j < tp->num_rx_fcbs[i]; j++) 1788 { 1789 fcb->next_ptr->back_ptr = fcb; 1790 fcb = fcb->next_ptr; 1791 fcb->frame_status = 0; 1792 fcb->frame_length = 0; 1793 fcb->info = FCB_WARNING; 1794 fcb->next_ptr 1795 = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); 1796 1797 if(i == NON_MAC_QUEUE) 1798 fcb->trc_next_ptr 1799 = RX_FCB_TRC_POINTER(fcb->next_ptr); 1800 else 1801 fcb->trc_next_ptr 1802 = TRC_POINTER(fcb->next_ptr); 1803 } 1804 1805 fcb->next_ptr = tp->rx_fcb_head[i]; 1806 1807 if(i == NON_MAC_QUEUE) 1808 fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr); 1809 else 1810 fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); 1811 1812 tp->rx_fcb_head[i]->back_ptr = fcb; 1813 tp->rx_fcb_curr[i] = tp->rx_fcb_head[i]->next_ptr; 1814 } 1815 1816 return(0); 1817} 1818 1819static int smctr_init_shared_memory(struct net_device *dev) 1820{ 1821 struct net_local *tp = netdev_priv(dev); 1822 unsigned int i; 1823 __u32 *iscpb; 1824 1825 if(smctr_debug > 10) 1826 printk(KERN_DEBUG "%s: smctr_init_shared_memory\n", dev->name); 1827 1828 smctr_set_page(dev, (__u8 *)(unsigned int)tp->iscpb_ptr); 1829 1830 /* Initialize Initial System Configuration Point. (ISCP) */ 1831 iscpb = (__u32 *)PAGE_POINTER(&tp->iscpb_ptr->trc_scgb_ptr); 1832 *iscpb = (__u32)(SWAP_WORDS(TRC_POINTER(tp->scgb_ptr))); 1833 1834 smctr_set_page(dev, (__u8 *)tp->ram_access); 1835 1836 /* Initialize System Configuration Pointers. (SCP) */ 1837 tp->scgb_ptr->config = (SCGB_ADDRESS_POINTER_FORMAT 1838 | SCGB_MULTI_WORD_CONTROL | SCGB_DATA_FORMAT 1839 | SCGB_BURST_LENGTH); 1840 1841 tp->scgb_ptr->trc_sclb_ptr = TRC_POINTER(tp->sclb_ptr); 1842 tp->scgb_ptr->trc_acb_ptr = TRC_POINTER(tp->acb_head); 1843 tp->scgb_ptr->trc_isb_ptr = TRC_POINTER(tp->isb_ptr); 1844 tp->scgb_ptr->isbsiz = (sizeof(ISBlock)) - 2; 1845 1846 /* Initialize System Control Block. (SCB) */ 1847 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_NOP; 1848 tp->sclb_ptr->iack_code = 0; 1849 tp->sclb_ptr->resume_control = 0; 1850 tp->sclb_ptr->int_mask_control = 0; 1851 tp->sclb_ptr->int_mask_state = 0; 1852 1853 /* Initialize Interrupt Status Block. (ISB) */ 1854 for(i = 0; i < NUM_OF_INTERRUPTS; i++) 1855 { 1856 tp->isb_ptr->IStatus[i].IType = 0xf0; 1857 tp->isb_ptr->IStatus[i].ISubtype = 0; 1858 } 1859 1860 tp->current_isb_index = 0; 1861 1862 /* Initialize Action Command Block. (ACB) */ 1863 smctr_init_acbs(dev); 1864 1865 /* Initialize transmit FCB's and BDB's. */ 1866 smctr_link_tx_fcbs_to_bdbs(dev); 1867 smctr_init_tx_bdbs(dev); 1868 smctr_init_tx_fcbs(dev); 1869 1870 /* Initialize receive FCB's and BDB's. */ 1871 smctr_init_rx_bdbs(dev); 1872 smctr_init_rx_fcbs(dev); 1873 1874 return (0); 1875} 1876 1877static int smctr_init_tx_bdbs(struct net_device *dev) 1878{ 1879 struct net_local *tp = netdev_priv(dev); 1880 unsigned int i, j; 1881 BDBlock *bdb; 1882 1883 for(i = 0; i < NUM_TX_QS_USED; i++) 1884 { 1885 bdb = tp->tx_bdb_head[i]; 1886 bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); 1887 bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); 1888 bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); 1889 1890 for(j = 1; j < tp->num_tx_bdbs[i]; j++) 1891 { 1892 bdb->next_ptr->back_ptr = bdb; 1893 bdb = bdb->next_ptr; 1894 bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); 1895 bdb->next_ptr 1896 = (BDBlock *)(((char *)bdb) + sizeof( BDBlock)); bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); 1897 } 1898 1899 bdb->next_ptr = tp->tx_bdb_head[i]; 1900 bdb->trc_next_ptr = TRC_POINTER(tp->tx_bdb_head[i]); 1901 tp->tx_bdb_head[i]->back_ptr = bdb; 1902 } 1903 1904 return (0); 1905} 1906 1907static int smctr_init_tx_fcbs(struct net_device *dev) 1908{ 1909 struct net_local *tp = netdev_priv(dev); 1910 unsigned int i, j; 1911 FCBlock *fcb; 1912 1913 for(i = 0; i < NUM_TX_QS_USED; i++) 1914 { 1915 fcb = tp->tx_fcb_head[i]; 1916 fcb->frame_status = 0; 1917 fcb->frame_length = 0; 1918 fcb->info = FCB_CHAIN_END; 1919 fcb->next_ptr = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); 1920 fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); 1921 1922 for(j = 1; j < tp->num_tx_fcbs[i]; j++) 1923 { 1924 fcb->next_ptr->back_ptr = fcb; 1925 fcb = fcb->next_ptr; 1926 fcb->frame_status = 0; 1927 fcb->frame_length = 0; 1928 fcb->info = FCB_CHAIN_END; 1929 fcb->next_ptr 1930 = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); 1931 fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); 1932 } 1933 1934 fcb->next_ptr = tp->tx_fcb_head[i]; 1935 fcb->trc_next_ptr = TRC_POINTER(tp->tx_fcb_head[i]); 1936 1937 tp->tx_fcb_head[i]->back_ptr = fcb; 1938 tp->tx_fcb_end[i] = tp->tx_fcb_head[i]->next_ptr; 1939 tp->tx_fcb_curr[i] = tp->tx_fcb_head[i]->next_ptr; 1940 tp->num_tx_fcbs_used[i] = 0; 1941 } 1942 1943 return (0); 1944} 1945 1946static int smctr_internal_self_test(struct net_device *dev) 1947{ 1948 struct net_local *tp = netdev_priv(dev); 1949 int err; 1950 1951 if((err = smctr_issue_test_internal_rom_cmd(dev))) 1952 return (err); 1953 1954 if((err = smctr_wait_cmd(dev))) 1955 return (err); 1956 1957 if(tp->acb_head->cmd_done_status & 0xff) 1958 return (-1); 1959 1960 if((err = smctr_issue_test_hic_cmd(dev))) 1961 return (err); 1962 1963 if((err = smctr_wait_cmd(dev))) 1964 return (err); 1965 1966 if(tp->acb_head->cmd_done_status & 0xff) 1967 return (-1); 1968 1969 if((err = smctr_issue_test_mac_reg_cmd(dev))) 1970 return (err); 1971 1972 if((err = smctr_wait_cmd(dev))) 1973 return (err); 1974 1975 if(tp->acb_head->cmd_done_status & 0xff) 1976 return (-1); 1977 1978 return (0); 1979} 1980 1981/* 1982 * The typical workload of the driver: Handle the network interface interrupts. 1983 */ 1984static irqreturn_t smctr_interrupt(int irq, void *dev_id) 1985{ 1986 struct net_device *dev = dev_id; 1987 struct net_local *tp; 1988 int ioaddr; 1989 __u16 interrupt_unmask_bits = 0, interrupt_ack_code = 0xff00; 1990 __u16 err1, err = NOT_MY_INTERRUPT; 1991 __u8 isb_type, isb_subtype; 1992 __u16 isb_index; 1993 1994 ioaddr = dev->base_addr; 1995 tp = netdev_priv(dev); 1996 1997 if(tp->status == NOT_INITIALIZED) 1998 return IRQ_NONE; 1999 2000 spin_lock(&tp->lock); 2001 2002 smctr_disable_bic_int(dev); 2003 smctr_enable_16bit(dev); 2004 2005 smctr_clear_int(dev); 2006 2007 /* First read the LSB */ 2008 while((tp->isb_ptr->IStatus[tp->current_isb_index].IType & 0xf0) == 0) 2009 { 2010 isb_index = tp->current_isb_index; 2011 isb_type = tp->isb_ptr->IStatus[isb_index].IType; 2012 isb_subtype = tp->isb_ptr->IStatus[isb_index].ISubtype; 2013 2014 (tp->current_isb_index)++; 2015 if(tp->current_isb_index == NUM_OF_INTERRUPTS) 2016 tp->current_isb_index = 0; 2017 2018 if(isb_type >= 0x10) 2019 { 2020 smctr_disable_16bit(dev); 2021 spin_unlock(&tp->lock); 2022 return IRQ_HANDLED; 2023 } 2024 2025 err = HARDWARE_FAILED; 2026 interrupt_ack_code = isb_index; 2027 tp->isb_ptr->IStatus[isb_index].IType |= 0xf0; 2028 2029 interrupt_unmask_bits |= (1 << (__u16)isb_type); 2030 2031 switch(isb_type) 2032 { 2033 case ISB_IMC_MAC_TYPE_3: 2034 smctr_disable_16bit(dev); 2035 2036 switch(isb_subtype) 2037 { 2038 case 0: 2039 tp->monitor_state = MS_MONITOR_FSM_INACTIVE; 2040 break; 2041 2042 case 1: 2043 tp->monitor_state = MS_REPEAT_BEACON_STATE; 2044 break; 2045 2046 case 2: 2047 tp->monitor_state = MS_REPEAT_CLAIM_TOKEN_STATE; 2048 break; 2049 2050 case 3: 2051 tp->monitor_state = MS_TRANSMIT_CLAIM_TOKEN_STATE; break; 2052 2053 case 4: 2054 tp->monitor_state = MS_STANDBY_MONITOR_STATE; 2055 break; 2056 2057 case 5: 2058 tp->monitor_state = MS_TRANSMIT_BEACON_STATE; 2059 break; 2060 2061 case 6: 2062 tp->monitor_state = MS_ACTIVE_MONITOR_STATE; 2063 break; 2064 2065 case 7: 2066 tp->monitor_state = MS_TRANSMIT_RING_PURGE_STATE; 2067 break; 2068 2069 case 8: /* diagnostic state */ 2070 break; 2071 2072 case 9: 2073 tp->monitor_state = MS_BEACON_TEST_STATE; 2074 if(smctr_lobe_media_test(dev)) 2075 { 2076 tp->ring_status_flags = RING_STATUS_CHANGED; 2077 tp->ring_status = AUTO_REMOVAL_ERROR; 2078 smctr_ring_status_chg(dev); 2079 smctr_bypass_state(dev); 2080 } 2081 else 2082 smctr_issue_insert_cmd(dev); 2083 break; 2084 2085 /* case 0x0a-0xff, illegal states */ 2086 default: 2087 break; 2088 } 2089 2090 tp->ring_status_flags = MONITOR_STATE_CHANGED; 2091 err = smctr_ring_status_chg(dev); 2092 2093 smctr_enable_16bit(dev); 2094 break; 2095 2096 /* Type 0x02 - MAC Error Counters Interrupt 2097 * One or more MAC Error Counter is half full 2098 * MAC Error Counters 2099 * Lost_FR_Error_Counter 2100 * RCV_Congestion_Counter 2101 * FR_copied_Error_Counter 2102 * FREQ_Error_Counter 2103 * Token_Error_Counter 2104 * Line_Error_Counter 2105 * Internal_Error_Count 2106 */ 2107 case ISB_IMC_MAC_ERROR_COUNTERS: 2108 /* Read 802.5 Error Counters */ 2109 err = smctr_issue_read_ring_status_cmd(dev); 2110 break; 2111 2112 /* Type 0x04 - MAC Type 2 Interrupt 2113 * HOST needs to enqueue MAC Frame for transmission 2114 * SubType Bit 15 - RQ_INIT_PDU( Request Initialization) * Changed from RQ_INIT_PDU to 2115 * TRC_Status_Changed_Indicate 2116 */ 2117 case ISB_IMC_MAC_TYPE_2: 2118 err = smctr_issue_read_ring_status_cmd(dev); 2119 break; 2120 2121 2122 /* Type 0x05 - TX Frame Interrupt (FI). */ 2123 case ISB_IMC_TX_FRAME: 2124 /* BUG QUEUE for TRC stuck receive BUG */ 2125 if(isb_subtype & TX_PENDING_PRIORITY_2) 2126 { 2127 if((err = smctr_tx_complete(dev, BUG_QUEUE)) != SUCCESS) 2128 break; 2129 } 2130 2131 /* NON-MAC frames only */ 2132 if(isb_subtype & TX_PENDING_PRIORITY_1) 2133 { 2134 if((err = smctr_tx_complete(dev, NON_MAC_QUEUE)) != SUCCESS) 2135 break; 2136 } 2137 2138 /* MAC frames only */ 2139 if(isb_subtype & TX_PENDING_PRIORITY_0) 2140 err = smctr_tx_complete(dev, MAC_QUEUE); break; 2141 2142 /* Type 0x06 - TX END OF QUEUE (FE) */ 2143 case ISB_IMC_END_OF_TX_QUEUE: 2144 /* BUG queue */ 2145 if(isb_subtype & TX_PENDING_PRIORITY_2) 2146 { 2147 /* ok to clear Receive FIFO overrun 2148 * imask send_BUG now completes. 2149 */ 2150 interrupt_unmask_bits |= 0x800; 2151 2152 tp->tx_queue_status[BUG_QUEUE] = NOT_TRANSMITING; 2153 if((err = smctr_tx_complete(dev, BUG_QUEUE)) != SUCCESS) 2154 break; 2155 if((err = smctr_restart_tx_chain(dev, BUG_QUEUE)) != SUCCESS) 2156 break; 2157 } 2158 2159 /* NON-MAC queue only */ 2160 if(isb_subtype & TX_PENDING_PRIORITY_1) 2161 { 2162 tp->tx_queue_status[NON_MAC_QUEUE] = NOT_TRANSMITING; 2163 if((err = smctr_tx_complete(dev, NON_MAC_QUEUE)) != SUCCESS) 2164 break; 2165 if((err = smctr_restart_tx_chain(dev, NON_MAC_QUEUE)) != SUCCESS) 2166 break; 2167 } 2168 2169 /* MAC queue only */ 2170 if(isb_subtype & TX_PENDING_PRIORITY_0) 2171 { 2172 tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; 2173 if((err = smctr_tx_complete(dev, MAC_QUEUE)) != SUCCESS) 2174 break; 2175 2176 err = smctr_restart_tx_chain(dev, MAC_QUEUE); 2177 } 2178 break; 2179 2180 /* Type 0x07 - NON-MAC RX Resource Interrupt 2181 * Subtype bit 12 - (BW) BDB warning 2182 * Subtype bit 13 - (FW) FCB warning 2183 * Subtype bit 14 - (BE) BDB End of chain 2184 * Subtype bit 15 - (FE) FCB End of chain 2185 */ 2186 case ISB_IMC_NON_MAC_RX_RESOURCE: 2187 tp->rx_fifo_overrun_count = 0; 2188 tp->receive_queue_number = NON_MAC_QUEUE; 2189 err1 = smctr_rx_frame(dev); 2190 2191 if(isb_subtype & NON_MAC_RX_RESOURCE_FE) 2192 { 2193 if((err = smctr_issue_resume_rx_fcb_cmd( dev, NON_MAC_QUEUE)) != SUCCESS) break; 2194 2195 if(tp->ptr_rx_fcb_overruns) 2196 (*tp->ptr_rx_fcb_overruns)++; 2197 } 2198 2199 if(isb_subtype & NON_MAC_RX_RESOURCE_BE) 2200 { 2201 if((err = smctr_issue_resume_rx_bdb_cmd( dev, NON_MAC_QUEUE)) != SUCCESS) break; 2202 2203 if(tp->ptr_rx_bdb_overruns) 2204 (*tp->ptr_rx_bdb_overruns)++; 2205 } 2206 err = err1; 2207 break; 2208 2209 /* Type 0x08 - MAC RX Resource Interrupt 2210 * Subtype bit 12 - (BW) BDB warning 2211 * Subtype bit 13 - (FW) FCB warning 2212 * Subtype bit 14 - (BE) BDB End of chain 2213 * Subtype bit 15 - (FE) FCB End of chain 2214 */ 2215 case ISB_IMC_MAC_RX_RESOURCE: 2216 tp->receive_queue_number = MAC_QUEUE; 2217 err1 = smctr_rx_frame(dev); 2218 2219 if(isb_subtype & MAC_RX_RESOURCE_FE) 2220 { 2221 if((err = smctr_issue_resume_rx_fcb_cmd( dev, MAC_QUEUE)) != SUCCESS) 2222 break; 2223 2224 if(tp->ptr_rx_fcb_overruns) 2225 (*tp->ptr_rx_fcb_overruns)++; 2226 } 2227 2228 if(isb_subtype & MAC_RX_RESOURCE_BE) 2229 { 2230 if((err = smctr_issue_resume_rx_bdb_cmd( dev, MAC_QUEUE)) != SUCCESS) 2231 break; 2232 2233 if(tp->ptr_rx_bdb_overruns) 2234 (*tp->ptr_rx_bdb_overruns)++; 2235 } 2236 err = err1; 2237 break; 2238 2239 /* Type 0x09 - NON_MAC RX Frame Interrupt */ 2240 case ISB_IMC_NON_MAC_RX_FRAME: 2241 tp->rx_fifo_overrun_count = 0; 2242 tp->receive_queue_number = NON_MAC_QUEUE; 2243 err = smctr_rx_frame(dev); 2244 break; 2245 2246 /* Type 0x0A - MAC RX Frame Interrupt */ 2247 case ISB_IMC_MAC_RX_FRAME: 2248 tp->receive_queue_number = MAC_QUEUE; 2249 err = smctr_rx_frame(dev); 2250 break; 2251 2252 /* Type 0x0B - TRC status 2253 * TRC has encountered an error condition 2254 * subtype bit 14 - transmit FIFO underrun 2255 * subtype bit 15 - receive FIFO overrun 2256 */ 2257 case ISB_IMC_TRC_FIFO_STATUS: 2258 if(isb_subtype & TRC_FIFO_STATUS_TX_UNDERRUN) 2259 { 2260 if(tp->ptr_tx_fifo_underruns) 2261 (*tp->ptr_tx_fifo_underruns)++; 2262 } 2263 2264 if(isb_subtype & TRC_FIFO_STATUS_RX_OVERRUN) 2265 { 2266 /* update overrun stuck receive counter 2267 * if >= 3, has to clear it by sending 2268 * back to back frames. We pick 2269 * DAT(duplicate address MAC frame) 2270 */ 2271 tp->rx_fifo_overrun_count++; 2272 2273 if(tp->rx_fifo_overrun_count >= 3) 2274 { 2275 tp->rx_fifo_overrun_count = 0; 2276 2277 /* delay clearing fifo overrun 2278 * imask till send_BUG tx 2279 * complete posted 2280 */ 2281 interrupt_unmask_bits &= (~0x800); 2282 printk(KERN_CRIT "Jay please send bug\n");// smctr_send_bug(dev); 2283 } 2284 2285 if(tp->ptr_rx_fifo_overruns) 2286 (*tp->ptr_rx_fifo_overruns)++; 2287 } 2288 2289 err = SUCCESS; 2290 break; 2291 2292 /* Type 0x0C - Action Command Status Interrupt 2293 * Subtype bit 14 - CB end of command chain (CE) 2294 * Subtype bit 15 - CB command interrupt (CI) 2295 */ 2296 case ISB_IMC_COMMAND_STATUS: 2297 err = SUCCESS; 2298 if(tp->acb_head->cmd == ACB_CMD_HIC_NOP) 2299 { 2300 printk(KERN_ERR "i1\n"); 2301 smctr_disable_16bit(dev); 2302 2303 /* XXXXXXXXXXXXXXXXX */ 2304 /* err = UM_Interrupt(dev); */ 2305 2306 smctr_enable_16bit(dev); 2307 } 2308 else 2309 { 2310 if((tp->acb_head->cmd 2311 == ACB_CMD_READ_TRC_STATUS) 2312 && (tp->acb_head->subcmd 2313 == RW_TRC_STATUS_BLOCK)) 2314 { 2315 if(tp->ptr_bcn_type) 2316 { 2317 *(tp->ptr_bcn_type) 2318 = (__u32)((SBlock *)tp->misc_command_data)->BCN_Type; 2319 } 2320 2321 if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & ERROR_COUNTERS_CHANGED) 2322 { 2323 smctr_update_err_stats(dev); 2324 } 2325 2326 if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & TI_NDIS_RING_STATUS_CHANGED) 2327 { 2328 tp->ring_status 2329 = ((SBlock*)tp->misc_command_data)->TI_NDIS_Ring_Status; 2330 smctr_disable_16bit(dev); 2331 err = smctr_ring_status_chg(dev); 2332 smctr_enable_16bit(dev); 2333 if((tp->ring_status & REMOVE_RECEIVED) 2334 && (tp->config_word0 & NO_AUTOREMOVE)) 2335 { 2336 smctr_issue_remove_cmd(dev); 2337 } 2338 2339 if(err != SUCCESS) 2340 { 2341 tp->acb_pending = 0; 2342 break; 2343 } 2344 } 2345 2346 if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & UNA_CHANGED) 2347 { 2348 if(tp->ptr_una) 2349 { 2350 tp->ptr_una[0] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[0]); 2351 tp->ptr_una[1] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[1]); 2352 tp->ptr_una[2] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[2]); 2353 } 2354 2355 } 2356 2357 if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & READY_TO_SEND_RQ_INIT) { 2358 err = smctr_send_rq_init(dev); 2359 } 2360 } 2361 } 2362 2363 tp->acb_pending = 0; 2364 break; 2365 2366 /* Type 0x0D - MAC Type 1 interrupt 2367 * Subtype -- 00 FR_BCN received at S12 2368 * 01 FR_BCN received at S21 2369 * 02 FR_DAT(DA=MA, A<>0) received at S21 2370 * 03 TSM_EXP at S21 2371 * 04 FR_REMOVE received at S42 2372 * 05 TBR_EXP, BR_FLAG_SET at S42 2373 * 06 TBT_EXP at S53 2374 */ 2375 case ISB_IMC_MAC_TYPE_1: 2376 if(isb_subtype > 8) 2377 { 2378 err = HARDWARE_FAILED; 2379 break; 2380 } 2381 2382 err = SUCCESS; 2383 switch(isb_subtype) 2384 { 2385 case 0: 2386 tp->join_state = JS_BYPASS_STATE; 2387 if(tp->status != CLOSED) 2388 { 2389 tp->status = CLOSED; 2390 err = smctr_status_chg(dev); 2391 } 2392 break; 2393 2394 case 1: 2395 tp->join_state = JS_LOBE_TEST_STATE; 2396 break; 2397 2398 case 2: 2399 tp->join_state = JS_DETECT_MONITOR_PRESENT_STATE; 2400 break; 2401 2402 case 3: 2403 tp->join_state = JS_AWAIT_NEW_MONITOR_STATE; 2404 break; 2405 2406 case 4: 2407 tp->join_state = JS_DUPLICATE_ADDRESS_TEST_STATE; 2408 break; 2409 2410 case 5: 2411 tp->join_state = JS_NEIGHBOR_NOTIFICATION_STATE; 2412 break; 2413 2414 case 6: 2415 tp->join_state = JS_REQUEST_INITIALIZATION_STATE; 2416 break; 2417 2418 case 7: 2419 tp->join_state = JS_JOIN_COMPLETE_STATE; 2420 tp->status = OPEN; 2421 err = smctr_status_chg(dev); 2422 break; 2423 2424 case 8: 2425 tp->join_state = JS_BYPASS_WAIT_STATE; 2426 break; 2427 } 2428 break ; 2429 2430 /* Type 0x0E - TRC Initialization Sequence Interrupt 2431 * Subtype -- 00-FF Initializatin sequence complete 2432 */ 2433 case ISB_IMC_TRC_INTRNL_TST_STATUS: 2434 tp->status = INITIALIZED; 2435 smctr_disable_16bit(dev); 2436 err = smctr_status_chg(dev); 2437 smctr_enable_16bit(dev); 2438 break; 2439 2440 /* other interrupt types, illegal */ 2441 default: 2442 break; 2443 } 2444 2445 if(err != SUCCESS) 2446 break; 2447 } 2448 2449 /* Checking the ack code instead of the unmask bits here is because : 2450 * while fixing the stuck receive, DAT frame are sent and mask off 2451 * FIFO overrun interrupt temporarily (interrupt_unmask_bits = 0) 2452 * but we still want to issue ack to ISB 2453 */ 2454 if(!(interrupt_ack_code & 0xff00)) 2455 smctr_issue_int_ack(dev, interrupt_ack_code, interrupt_unmask_bits); 2456 2457 smctr_disable_16bit(dev); 2458 smctr_enable_bic_int(dev); 2459 spin_unlock(&tp->lock); 2460 2461 return IRQ_HANDLED; 2462} 2463 2464static int smctr_issue_enable_int_cmd(struct net_device *dev, 2465 __u16 interrupt_enable_mask) 2466{ 2467 struct net_local *tp = netdev_priv(dev); 2468 int err; 2469 2470 if((err = smctr_wait_while_cbusy(dev))) 2471 return (err); 2472 2473 tp->sclb_ptr->int_mask_control = interrupt_enable_mask; 2474 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_CLEAR_INTERRUPT_MASK; 2475 2476 smctr_set_ctrl_attention(dev); 2477 2478 return (0); 2479} 2480 2481static int smctr_issue_int_ack(struct net_device *dev, __u16 iack_code, __u16 ibits) 2482{ 2483 struct net_local *tp = netdev_priv(dev); 2484 2485 if(smctr_wait_while_cbusy(dev)) 2486 return (-1); 2487 2488 tp->sclb_ptr->int_mask_control = ibits; 2489 tp->sclb_ptr->iack_code = iack_code << 1; /* use the offset from base */ tp->sclb_ptr->resume_control = 0; 2490 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_IACK_CODE_VALID | SCLB_CMD_CLEAR_INTERRUPT_MASK; 2491 2492 smctr_set_ctrl_attention(dev); 2493 2494 return (0); 2495} 2496 2497static int smctr_issue_init_timers_cmd(struct net_device *dev) 2498{ 2499 struct net_local *tp = netdev_priv(dev); 2500 unsigned int i; 2501 int err; 2502 __u16 *pTimer_Struc = (__u16 *)tp->misc_command_data; 2503 2504 if((err = smctr_wait_while_cbusy(dev))) 2505 return (err); 2506 2507 if((err = smctr_wait_cmd(dev))) 2508 return (err); 2509 2510 tp->config_word0 = THDREN | DMA_TRIGGER | USETPT | NO_AUTOREMOVE; 2511 tp->config_word1 = 0; 2512 2513 if((tp->media_type == MEDIA_STP_16) 2514 || (tp->media_type == MEDIA_UTP_16) 2515 || (tp->media_type == MEDIA_STP_16_UTP_16)) 2516 { 2517 tp->config_word0 |= FREQ_16MB_BIT; 2518 } 2519 2520 if(tp->mode_bits & EARLY_TOKEN_REL) 2521 tp->config_word0 |= ETREN; 2522 2523 if(tp->mode_bits & LOOPING_MODE_MASK) 2524 tp->config_word0 |= RX_OWN_BIT; 2525 else 2526 tp->config_word0 &= ~RX_OWN_BIT; 2527 2528 if(tp->receive_mask & PROMISCUOUS_MODE) 2529 tp->config_word0 |= PROMISCUOUS_BIT; 2530 else 2531 tp->config_word0 &= ~PROMISCUOUS_BIT; 2532 2533 if(tp->receive_mask & ACCEPT_ERR_PACKETS) 2534 tp->config_word0 |= SAVBAD_BIT; 2535 else 2536 tp->config_word0 &= ~SAVBAD_BIT; 2537 2538 if(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) 2539 tp->config_word0 |= RXATMAC; 2540 else 2541 tp->config_word0 &= ~RXATMAC; 2542 2543 if(tp->receive_mask & ACCEPT_MULTI_PROM) 2544 tp->config_word1 |= MULTICAST_ADDRESS_BIT; 2545 else 2546 tp->config_word1 &= ~MULTICAST_ADDRESS_BIT; 2547 2548 if(tp->receive_mask & ACCEPT_SOURCE_ROUTING_SPANNING) 2549 tp->config_word1 |= SOURCE_ROUTING_SPANNING_BITS; 2550 else 2551 { 2552 if(tp->receive_mask & ACCEPT_SOURCE_ROUTING) 2553 tp->config_word1 |= SOURCE_ROUTING_EXPLORER_BIT; 2554 else 2555 tp->config_word1 &= ~SOURCE_ROUTING_SPANNING_BITS; 2556 } 2557 2558 if((tp->media_type == MEDIA_STP_16) 2559 || (tp->media_type == MEDIA_UTP_16) 2560 || (tp->media_type == MEDIA_STP_16_UTP_16)) 2561 { 2562 tp->config_word1 |= INTERFRAME_SPACING_16; 2563 } 2564 else 2565 tp->config_word1 |= INTERFRAME_SPACING_4; 2566 2567 *pTimer_Struc++ = tp->config_word0; 2568 *pTimer_Struc++ = tp->config_word1; 2569 2570 if((tp->media_type == MEDIA_STP_4) 2571 || (tp->media_type == MEDIA_UTP_4) 2572 || (tp->media_type == MEDIA_STP_4_UTP_4)) 2573 { 2574 *pTimer_Struc++ = 0x00FA; /* prescale */ 2575 *pTimer_Struc++ = 0x2710; /* TPT_limit */ 2576 *pTimer_Struc++ = 0x2710; /* TQP_limit */ 2577 *pTimer_Struc++ = 0x0A28; /* TNT_limit */ 2578 *pTimer_Struc++ = 0x3E80; /* TBT_limit */ 2579 *pTimer_Struc++ = 0x3A98; /* TSM_limit */ 2580 *pTimer_Struc++ = 0x1B58; /* TAM_limit */ 2581 *pTimer_Struc++ = 0x00C8; /* TBR_limit */ 2582 *pTimer_Struc++ = 0x07D0; /* TER_limit */ 2583 *pTimer_Struc++ = 0x000A; /* TGT_limit */ 2584 *pTimer_Struc++ = 0x1162; /* THT_limit */ 2585 *pTimer_Struc++ = 0x07D0; /* TRR_limit */ 2586 *pTimer_Struc++ = 0x1388; /* TVX_limit */ 2587 *pTimer_Struc++ = 0x0000; /* reserved */ 2588 } 2589 else 2590 { 2591 *pTimer_Struc++ = 0x03E8; /* prescale */ 2592 *pTimer_Struc++ = 0x9C40; /* TPT_limit */ 2593 *pTimer_Struc++ = 0x9C40; /* TQP_limit */ 2594 *pTimer_Struc++ = 0x0A28; /* TNT_limit */ 2595 *pTimer_Struc++ = 0x3E80; /* TBT_limit */ 2596 *pTimer_Struc++ = 0x3A98; /* TSM_limit */ 2597 *pTimer_Struc++ = 0x1B58; /* TAM_limit */ 2598 *pTimer_Struc++ = 0x00C8; /* TBR_limit */ 2599 *pTimer_Struc++ = 0x07D0; /* TER_limit */ 2600 *pTimer_Struc++ = 0x000A; /* TGT_limit */ 2601 *pTimer_Struc++ = 0x4588; /* THT_limit */ 2602 *pTimer_Struc++ = 0x1F40; /* TRR_limit */ 2603 *pTimer_Struc++ = 0x4E20; /* TVX_limit */ 2604 *pTimer_Struc++ = 0x0000; /* reserved */ 2605 } 2606 2607 /* Set node address. */ 2608 *pTimer_Struc++ = dev->dev_addr[0] << 8 2609 | (dev->dev_addr[1] & 0xFF); 2610 *pTimer_Struc++ = dev->dev_addr[2] << 8 2611 | (dev->dev_addr[3] & 0xFF); 2612 *pTimer_Struc++ = dev->dev_addr[4] << 8 2613 | (dev->dev_addr[5] & 0xFF); 2614 2615 /* Set group address. */ 2616 *pTimer_Struc++ = tp->group_address_0 << 8 2617 | tp->group_address_0 >> 8; 2618 *pTimer_Struc++ = tp->group_address[0] << 8 2619 | tp->group_address[0] >> 8; 2620 *pTimer_Struc++ = tp->group_address[1] << 8 2621 | tp->group_address[1] >> 8; 2622 2623 /* Set functional address. */ 2624 *pTimer_Struc++ = tp->functional_address_0 << 8 2625 | tp->functional_address_0 >> 8; 2626 *pTimer_Struc++ = tp->functional_address[0] << 8 2627 | tp->functional_address[0] >> 8; 2628 *pTimer_Struc++ = tp->functional_address[1] << 8 2629 | tp->functional_address[1] >> 8; 2630 2631 /* Set Bit-Wise group address. */ 2632 *pTimer_Struc++ = tp->bitwise_group_address[0] << 8 2633 | tp->bitwise_group_address[0] >> 8; 2634 *pTimer_Struc++ = tp->bitwise_group_address[1] << 8 2635 | tp->bitwise_group_address[1] >> 8; 2636 2637 /* Set ring number address. */ 2638 *pTimer_Struc++ = tp->source_ring_number; 2639 *pTimer_Struc++ = tp->target_ring_number; 2640 2641 /* Physical drop number. */ 2642 *pTimer_Struc++ = (unsigned short)0; 2643 *pTimer_Struc++ = (unsigned short)0; 2644 2645 /* Product instance ID. */ 2646 for(i = 0; i < 9; i++) 2647 *pTimer_Struc++ = (unsigned short)0; 2648 2649 err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_INIT_TRC_TIMERS, 0); 2650 2651 return (err); 2652} 2653 2654static int smctr_issue_init_txrx_cmd(struct net_device *dev) 2655{ 2656 struct net_local *tp = netdev_priv(dev); 2657 unsigned int i; 2658 int err; 2659 void **txrx_ptrs = (void *)tp->misc_command_data; 2660 2661 if((err = smctr_wait_while_cbusy(dev))) 2662 return (err); 2663 2664 if((err = smctr_wait_cmd(dev))) 2665 { 2666 printk(KERN_ERR "%s: Hardware failure\n", dev->name); 2667 return (err); 2668 } 2669 2670 /* Initialize Transmit Queue Pointers that are used, to point to 2671 * a single FCB. 2672 */ 2673 for(i = 0; i < NUM_TX_QS_USED; i++) 2674 *txrx_ptrs++ = (void *)TRC_POINTER(tp->tx_fcb_head[i]); 2675 2676 /* Initialize Transmit Queue Pointers that are NOT used to ZERO. */ 2677 for(; i < MAX_TX_QS; i++) 2678 *txrx_ptrs++ = (void *)0; 2679 2680 /* Initialize Receive Queue Pointers (MAC and Non-MAC) that are 2681 * used, to point to a single FCB and a BDB chain of buffers. 2682 */ 2683 for(i = 0; i < NUM_RX_QS_USED; i++) 2684 { 2685 *txrx_ptrs++ = (void *)TRC_POINTER(tp->rx_fcb_head[i]); 2686 *txrx_ptrs++ = (void *)TRC_POINTER(tp->rx_bdb_head[i]); 2687 } 2688 2689 /* Initialize Receive Queue Pointers that are NOT used to ZERO. */ 2690 for(; i < MAX_RX_QS; i++) 2691 { 2692 *txrx_ptrs++ = (void *)0; 2693 *txrx_ptrs++ = (void *)0; 2694 } 2695 2696 err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_INIT_TX_RX, 0); 2697 2698 return (err); 2699} 2700 2701static int smctr_issue_insert_cmd(struct net_device *dev) 2702{ 2703 int err; 2704 2705 err = smctr_setup_single_cmd(dev, ACB_CMD_INSERT, ACB_SUB_CMD_NOP); 2706 2707 return (err); 2708} 2709 2710static int smctr_issue_read_ring_status_cmd(struct net_device *dev) 2711{ 2712 int err; 2713 2714 if((err = smctr_wait_while_cbusy(dev))) 2715 return (err); 2716 2717 if((err = smctr_wait_cmd(dev))) 2718 return (err); 2719 2720 err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_READ_TRC_STATUS, 2721 RW_TRC_STATUS_BLOCK); 2722 2723 return (err); 2724} 2725 2726static int smctr_issue_read_word_cmd(struct net_device *dev, __u16 aword_cnt) 2727{ 2728 int err; 2729 2730 if((err = smctr_wait_while_cbusy(dev))) 2731 return (err); 2732 2733 if((err = smctr_wait_cmd(dev))) 2734 return (err); 2735 2736 err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_READ_VALUE, 2737 aword_cnt); 2738 2739 return (err); 2740} 2741 2742static int smctr_issue_remove_cmd(struct net_device *dev) 2743{ 2744 struct net_local *tp = netdev_priv(dev); 2745 int err; 2746 2747 if((err = smctr_wait_while_cbusy(dev))) 2748 return (err); 2749 2750 tp->sclb_ptr->resume_control = 0; 2751 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_REMOVE; 2752 2753 smctr_set_ctrl_attention(dev); 2754 2755 return (0); 2756} 2757 2758static int smctr_issue_resume_acb_cmd(struct net_device *dev) 2759{ 2760 struct net_local *tp = netdev_priv(dev); 2761 int err; 2762 2763 if((err = smctr_wait_while_cbusy(dev))) 2764 return (err); 2765 2766 tp->sclb_ptr->resume_control = SCLB_RC_ACB; 2767 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; 2768 2769 tp->acb_pending = 1; 2770 2771 smctr_set_ctrl_attention(dev); 2772 2773 return (0); 2774} 2775 2776static int smctr_issue_resume_rx_bdb_cmd(struct net_device *dev, __u16 queue) 2777{ 2778 struct net_local *tp = netdev_priv(dev); 2779 int err; 2780 2781 if((err = smctr_wait_while_cbusy(dev))) 2782 return (err); 2783 2784 if(queue == MAC_QUEUE) 2785 tp->sclb_ptr->resume_control = SCLB_RC_RX_MAC_BDB; 2786 else 2787 tp->sclb_ptr->resume_control = SCLB_RC_RX_NON_MAC_BDB; 2788 2789 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; 2790 2791 smctr_set_ctrl_attention(dev); 2792 2793 return (0); 2794} 2795 2796static int smctr_issue_resume_rx_fcb_cmd(struct net_device *dev, __u16 queue) 2797{ 2798 struct net_local *tp = netdev_priv(dev); 2799 2800 if(smctr_debug > 10) 2801 printk(KERN_DEBUG "%s: smctr_issue_resume_rx_fcb_cmd\n", dev->name); 2802 2803 if(smctr_wait_while_cbusy(dev)) 2804 return (-1); 2805 2806 if(queue == MAC_QUEUE) 2807 tp->sclb_ptr->resume_control = SCLB_RC_RX_MAC_FCB; 2808 else 2809 tp->sclb_ptr->resume_control = SCLB_RC_RX_NON_MAC_FCB; 2810 2811 tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; 2812 2813 smctr_set_ctrl_attention(dev); 2814 2815 return (0); 2816} 2817 2818static int smctr_issue_resume_tx_fcb_cmd(struct net_device *dev, __u16 queue) 2819{ 2820 struct net_local *tp = netdev_priv(dev); 2821 2822 if(smctr_debug > 10) 2823 printk(KERN_DEBUG "%s: smctr_issue_resume_tx_fcb_cmd\n", dev->name); 2824 2825 if(smctr_wait_while_cbusy(dev)) 2826 return (-1); 2827 2828 tp->sclb_ptr->resume_control = (SCLB_RC_TFCB0 << queue); 2829 tp->sclb_ptr->valid_command = SCLB_RESUME_CONTROL_VALID | SCLB_VALID; 2830 2831 smctr_set_ctrl_attention(dev); 2832 2833 return (0); 2834} 2835 2836static int smctr_issue_test_internal_rom_cmd(struct net_device *dev) 2837{ 2838 int err; 2839 2840 err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, 2841 TRC_INTERNAL_ROM_TEST); 2842 2843 return (err); 2844} 2845 2846static int smctr_issue_test_hic_cmd(struct net_device *dev) 2847{ 2848 int err; 2849 2850 err = smctr_setup_single_cmd(dev, ACB_CMD_HIC_TEST, 2851 TRC_HOST_INTERFACE_REG_TEST); 2852 2853 return (err); 2854} 2855 2856static int smctr_issue_test_mac_reg_cmd(struct net_device *dev) 2857{ 2858 int err; 2859 2860 err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, 2861 TRC_MAC_REGISTERS_TEST); 2862 2863 return (err); 2864} 2865 2866static int smctr_issue_trc_loopback_cmd(struct net_device *dev) 2867{ 2868 int err; 2869 2870 err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, 2871 TRC_INTERNAL_LOOPBACK); 2872 2873 return (err); 2874} 2875 2876static int smctr_issue_tri_loopback_cmd(struct net_device *dev) 2877{ 2878 int err; 2879 2880 err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, 2881 TRC_TRI_LOOPBACK); 2882 2883 return (err); 2884} 2885 2886static int smctr_issue_write_byte_cmd(struct net_device *dev, 2887 short aword_cnt, void *byte) 2888{ 2889 struct net_local *tp = netdev_priv(dev); 2890 unsigned int iword, ibyte; 2891 int err; 2892 2893 if((err = smctr_wait_while_cbusy(dev))) 2894 return (err); 2895 2896 if((err = smctr_wait_cmd(dev))) 2897 return (err); 2898 2899 for(iword = 0, ibyte = 0; iword < (unsigned int)(aword_cnt & 0xff); 2900 iword++, ibyte += 2) 2901 { 2902 tp->misc_command_data[iword] = (*((__u8 *)byte + ibyte) << 8) 2903 | (*((__u8 *)byte + ibyte + 1)); 2904 } 2905 2906 return (smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_WRITE_VALUE, 2907 aword_cnt)); 2908} 2909 2910static int smctr_issue_write_word_cmd(struct net_device *dev, 2911 short aword_cnt, void *word) 2912{ 2913 struct net_local *tp = netdev_priv(dev); 2914 unsigned int i, err; 2915 2916 if((err = smctr_wait_while_cbusy(dev))) 2917 return (err); 2918 2919 if((err = smctr_wait_cmd(dev))) 2920 return (err); 2921 2922 for(i = 0; i < (unsigned int)(aword_cnt & 0xff); i++) 2923 tp->misc_command_data[i] = *((__u16 *)word + i); 2924 2925 err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_WRITE_VALUE, 2926 aword_cnt); 2927 2928 return (err); 2929} 2930 2931static int smctr_join_complete_state(struct net_device *dev) 2932{ 2933 int err; 2934 2935 err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, 2936 JS_JOIN_COMPLETE_STATE); 2937 2938 return (err); 2939} 2940 2941static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev) 2942{ 2943 struct net_local *tp = netdev_priv(dev); 2944 unsigned int i, j; 2945 FCBlock *fcb; 2946 BDBlock *bdb; 2947 2948 for(i = 0; i < NUM_TX_QS_USED; i++) 2949 { 2950 fcb = tp->tx_fcb_head[i]; 2951 bdb = tp->tx_bdb_head[i]; 2952 2953 for(j = 0; j < tp->num_tx_fcbs[i]; j++) 2954 { 2955 fcb->bdb_ptr = bdb; 2956 fcb->trc_bdb_ptr = TRC_POINTER(bdb); 2957 fcb = (FCBlock *)((char *)fcb + sizeof(FCBlock)); 2958 bdb = (BDBlock *)((char *)bdb + sizeof(BDBlock)); 2959 } 2960 } 2961 2962 return (0); 2963} 2964 2965static int smctr_load_firmware(struct net_device *dev) 2966{ 2967 struct net_local *tp = netdev_priv(dev); 2968 const struct firmware *fw; 2969 __u16 i, checksum = 0; 2970 int err = 0; 2971 2972 if(smctr_debug > 10) 2973 printk(KERN_DEBUG "%s: smctr_load_firmware\n", dev->name); 2974 2975 if (request_firmware(&fw, "tr_smctr.bin", &dev->dev)) { 2976 printk(KERN_ERR "%s: firmware not found\n", dev->name); 2977 return (UCODE_NOT_PRESENT); 2978 } 2979 2980 tp->num_of_tx_buffs = 4; 2981 tp->mode_bits |= UMAC; 2982 tp->receive_mask = 0; 2983 tp->max_packet_size = 4177; 2984 2985 /* Can only upload the firmware once per adapter reset. */ 2986 if (tp->microcode_version != 0) { 2987 err = (UCODE_PRESENT); 2988 goto out; 2989 } 2990 2991 /* Verify the firmware exists and is there in the right amount. */ 2992 if (!fw->data 2993 || (*(fw->data + UCODE_VERSION_OFFSET) < UCODE_VERSION)) 2994 { 2995 err = (UCODE_NOT_PRESENT); 2996 goto out; 2997 } 2998 2999 /* UCODE_SIZE is not included in Checksum. */ 3000 for(i = 0; i < *((__u16 *)(fw->data + UCODE_SIZE_OFFSET)); i += 2) 3001 checksum += *((__u16 *)(fw->data + 2 + i)); 3002 if (checksum) { 3003 err = (UCODE_NOT_PRESENT); 3004 goto out; 3005 } 3006 3007 /* At this point we have a valid firmware image, lets kick it on up. */ 3008 smctr_enable_adapter_ram(dev); 3009 smctr_enable_16bit(dev); 3010 smctr_set_page(dev, (__u8 *)tp->ram_access); 3011 3012 if((smctr_checksum_firmware(dev)) 3013 || (*(fw->data + UCODE_VERSION_OFFSET) 3014 > tp->microcode_version)) 3015 { 3016 smctr_enable_adapter_ctrl_store(dev); 3017 3018 /* Zero out ram space for firmware. */ 3019 for(i = 0; i < CS_RAM_SIZE; i += 2) 3020 *((__u16 *)(tp->ram_access + i)) = 0; 3021 3022 smctr_decode_firmware(dev, fw); 3023 3024 tp->microcode_version = *(fw->data + UCODE_VERSION_OFFSET); *((__u16 *)(tp->ram_access + CS_RAM_VERSION_OFFSET)) 3025 = (tp->microcode_version << 8); 3026 *((__u16 *)(tp->ram_access + CS_RAM_CHECKSUM_OFFSET)) 3027 = ~(tp->microcode_version << 8) + 1; 3028 3029 smctr_disable_adapter_ctrl_store(dev); 3030 3031 if(smctr_checksum_firmware(dev)) 3032 err = HARDWARE_FAILED; 3033 } 3034 else 3035 err = UCODE_PRESENT; 3036 3037 smctr_disable_16bit(dev); 3038 out: 3039 release_firmware(fw); 3040 return (err); 3041} 3042 3043static int smctr_load_node_addr(struct net_device *dev) 3044{ 3045 int ioaddr = dev->base_addr; 3046 unsigned int i; 3047 __u8 r; 3048 3049 for(i = 0; i < 6; i++) 3050 { 3051 r = inb(ioaddr + LAR0 + i); 3052 dev->dev_addr[i] = (char)r; 3053 } 3054 dev->addr_len = 6; 3055 3056 return (0); 3057} 3058 3059/* Lobe Media Test. 3060 * During the transmission of the initial 1500 lobe media MAC frames, 3061 * the phase lock loop in the 805 chip may lock, and then un-lock, causing 3062 * the 825 to go into a PURGE state. When performing a PURGE, the MCT 3063 * microcode will not transmit any frames given to it by the host, and 3064 * will consequently cause a timeout. 3065 * 3066 * NOTE 1: If the monitor_state is MS_BEACON_TEST_STATE, all transmit 3067 * queues other than the one used for the lobe_media_test should be 3068 * disabled.!? 3069 * 3070 * NOTE 2: If the monitor_state is MS_BEACON_TEST_STATE and the receive_mask 3071 * has any multi-cast or promiscous bits set, the receive_mask needs to 3072 * be changed to clear the multi-cast or promiscous mode bits, the lobe_test 3073 * run, and then the receive mask set back to its original value if the test 3074 * is successful. 3075 */ 3076static int smctr_lobe_media_test(struct net_device *dev) 3077{ 3078 struct net_local *tp = netdev_priv(dev); 3079 unsigned int i, perror = 0; 3080 unsigned short saved_rcv_mask; 3081 3082 if(smctr_debug > 10) 3083 printk(KERN_DEBUG "%s: smctr_lobe_media_test\n", dev->name); 3084 3085 /* Clear receive mask for lobe test. */ 3086 saved_rcv_mask = tp->receive_mask; 3087 tp->receive_mask = 0; 3088 3089 smctr_chg_rx_mask(dev); 3090 3091 /* Setup the lobe media test. */ 3092 smctr_lobe_media_test_cmd(dev); 3093 if(smctr_wait_cmd(dev)) 3094 { 3095 smctr_reset_adapter(dev); 3096 tp->status = CLOSED; 3097 return (LOBE_MEDIA_TEST_FAILED); 3098 } 3099 3100 /* Tx lobe media test frames. */ 3101 for(i = 0; i < 1500; ++i) 3102 { 3103 if(smctr_send_lobe_media_test(dev)) 3104 { 3105 if(perror) 3106 { 3107 smctr_reset_adapter(dev); 3108 tp->state = CLOSED; 3109 return (LOBE_MEDIA_TEST_FAILED); 3110 } 3111 else 3112 { 3113 perror = 1; 3114 if(smctr_lobe_media_test_cmd(dev)) 3115 { 3116 smctr_reset_adapter(dev); 3117 tp->state = CLOSED; 3118 return (LOBE_MEDIA_TEST_FAILED); 3119 } 3120 } 3121 } 3122 } 3123 3124 if(smctr_send_dat(dev)) 3125 { 3126 if(smctr_send_dat(dev)) 3127 { 3128 smctr_reset_adapter(dev); 3129 tp->state = CLOSED; 3130 return (LOBE_MEDIA_TEST_FAILED); 3131 } 3132 } 3133 3134 /* Check if any frames received during test. */ 3135 if((tp->rx_fcb_curr[MAC_QUEUE]->frame_status) 3136 || (tp->rx_fcb_curr[NON_MAC_QUEUE]->frame_status)) 3137 { 3138 smctr_reset_adapter(dev); 3139 tp->state = CLOSED; 3140 return (LOBE_MEDIA_TEST_FAILED); 3141 } 3142 3143 /* Set receive mask to "Promisc" mode. */ 3144 tp->receive_mask = saved_rcv_mask; 3145 3146 smctr_chg_rx_mask(dev); 3147 3148 return (0); 3149} 3150 3151static int smctr_lobe_media_test_cmd(struct net_device *dev) 3152{ 3153 struct net_local *tp = netdev_priv(dev); 3154 int err; 3155 3156 if(smctr_debug > 10) 3157 printk(KERN_DEBUG "%s: smctr_lobe_media_test_cmd\n", dev->name); 3158 3159 /* Change to lobe media test state. */ 3160 if(tp->monitor_state != MS_BEACON_TEST_STATE) 3161 { 3162 smctr_lobe_media_test_state(dev); 3163 if(smctr_wait_cmd(dev)) 3164 { 3165 printk(KERN_ERR "Lobe Failed test state\n"); 3166 return (LOBE_MEDIA_TEST_FAILED); 3167 } 3168 } 3169 3170 err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, 3171 TRC_LOBE_MEDIA_TEST); 3172 3173 return (err); 3174} 3175 3176static int smctr_lobe_media_test_state(struct net_device *dev) 3177{ 3178 int err; 3179 3180 err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, 3181 JS_LOBE_TEST_STATE); 3182 3183 return (err); 3184} 3185 3186static int smctr_make_8025_hdr(struct net_device *dev, 3187 MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc) 3188{ 3189 tmf->ac = MSB(ac_fc); /* msb is access control */ 3190 tmf->fc = LSB(ac_fc); /* lsb is frame control */ 3191 3192 tmf->sa[0] = dev->dev_addr[0]; 3193 tmf->sa[1] = dev->dev_addr[1]; 3194 tmf->sa[2] = dev->dev_addr[2]; 3195 tmf->sa[3] = dev->dev_addr[3]; 3196 tmf->sa[4] = dev->dev_addr[4]; 3197 tmf->sa[5] = dev->dev_addr[5]; 3198 3199 switch(tmf->vc) 3200 { 3201 /* Send RQ_INIT to RPS */ 3202 case RQ_INIT: 3203 tmf->da[0] = 0xc0; 3204 tmf->da[1] = 0x00; 3205 tmf->da[2] = 0x00; 3206 tmf->da[3] = 0x00; 3207 tmf->da[4] = 0x00; 3208 tmf->da[5] = 0x02; 3209 break; 3210 3211 /* Send RPT_TX_FORWARD to CRS */ 3212 case RPT_TX_FORWARD: 3213 tmf->da[0] = 0xc0; 3214 tmf->da[1] = 0x00; 3215 tmf->da[2] = 0x00; 3216 tmf->da[3] = 0x00; 3217 tmf->da[4] = 0x00; 3218 tmf->da[5] = 0x10; 3219 break; 3220 3221 /* Everything else goes to sender */ 3222 default: 3223 tmf->da[0] = rmf->sa[0]; 3224 tmf->da[1] = rmf->sa[1]; 3225 tmf->da[2] = rmf->sa[2]; 3226 tmf->da[3] = rmf->sa[3]; 3227 tmf->da[4] = rmf->sa[4]; 3228 tmf->da[5] = rmf->sa[5]; 3229 break; 3230 } 3231 3232 return (0); 3233} 3234 3235static int smctr_make_access_pri(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3236{ 3237 struct net_local *tp = netdev_priv(dev); 3238 3239 tsv->svi = AUTHORIZED_ACCESS_PRIORITY; 3240 tsv->svl = S_AUTHORIZED_ACCESS_PRIORITY; 3241 3242 tsv->svv[0] = MSB(tp->authorized_access_priority); 3243 tsv->svv[1] = LSB(tp->authorized_access_priority); 3244 3245 return (0); 3246} 3247 3248static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3249{ 3250 tsv->svi = ADDRESS_MODIFER; 3251 tsv->svl = S_ADDRESS_MODIFER; 3252 3253 tsv->svv[0] = 0; 3254 tsv->svv[1] = 0; 3255 3256 return (0); 3257} 3258 3259static int smctr_make_auth_funct_class(struct net_device *dev, 3260 MAC_SUB_VECTOR *tsv) 3261{ 3262 struct net_local *tp = netdev_priv(dev); 3263 3264 tsv->svi = AUTHORIZED_FUNCTION_CLASS; 3265 tsv->svl = S_AUTHORIZED_FUNCTION_CLASS; 3266 3267 tsv->svv[0] = MSB(tp->authorized_function_classes); 3268 tsv->svv[1] = LSB(tp->authorized_function_classes); 3269 3270 return (0); 3271} 3272 3273static int smctr_make_corr(struct net_device *dev, 3274 MAC_SUB_VECTOR *tsv, __u16 correlator) 3275{ 3276 tsv->svi = CORRELATOR; 3277 tsv->svl = S_CORRELATOR; 3278 3279 tsv->svv[0] = MSB(correlator); 3280 tsv->svv[1] = LSB(correlator); 3281 3282 return (0); 3283} 3284 3285static int smctr_make_funct_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3286{ 3287 struct net_local *tp = netdev_priv(dev); 3288 3289 smctr_get_functional_address(dev); 3290 3291 tsv->svi = FUNCTIONAL_ADDRESS; 3292 tsv->svl = S_FUNCTIONAL_ADDRESS; 3293 3294 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3295 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3296 3297 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3298 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3299 3300 return (0); 3301} 3302 3303static int smctr_make_group_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3304{ 3305 struct net_local *tp = netdev_priv(dev); 3306 3307 smctr_get_group_address(dev); 3308 3309 tsv->svi = GROUP_ADDRESS; 3310 tsv->svl = S_GROUP_ADDRESS; 3311 3312 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3313 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3314 3315 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3316 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3317 3318 /* Set Group Address Sub-vector to all zeros if only the 3319 * Group Address/Functional Address Indicator is set. 3320 */ 3321 if(tsv->svv[0] == 0x80 && tsv->svv[1] == 0x00 3322 && tsv->svv[2] == 0x00 && tsv->svv[3] == 0x00) 3323 tsv->svv[0] = 0x00; 3324 3325 return (0); 3326} 3327 3328static int smctr_make_phy_drop_num(struct net_device *dev, 3329 MAC_SUB_VECTOR *tsv) 3330{ 3331 struct net_local *tp = netdev_priv(dev); 3332 3333 smctr_get_physical_drop_number(dev); 3334 3335 tsv->svi = PHYSICAL_DROP; 3336 tsv->svl = S_PHYSICAL_DROP; 3337 3338 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3339 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3340 3341 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3342 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3343 3344 return (0); 3345} 3346 3347static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3348{ 3349 int i; 3350 3351 tsv->svi = PRODUCT_INSTANCE_ID; 3352 tsv->svl = S_PRODUCT_INSTANCE_ID; 3353 3354 for(i = 0; i < 18; i++) 3355 tsv->svv[i] = 0xF0; 3356 3357 return (0); 3358} 3359 3360static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3361{ 3362 struct net_local *tp = netdev_priv(dev); 3363 3364 smctr_get_station_id(dev); 3365 3366 tsv->svi = STATION_IDENTIFER; 3367 tsv->svl = S_STATION_IDENTIFER; 3368 3369 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3370 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3371 3372 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3373 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3374 3375 tsv->svv[4] = MSB(tp->misc_command_data[2]); 3376 tsv->svv[5] = LSB(tp->misc_command_data[2]); 3377 3378 return (0); 3379} 3380 3381static int smctr_make_ring_station_status(struct net_device *dev, 3382 MAC_SUB_VECTOR * tsv) 3383{ 3384 tsv->svi = RING_STATION_STATUS; 3385 tsv->svl = S_RING_STATION_STATUS; 3386 3387 tsv->svv[0] = 0; 3388 tsv->svv[1] = 0; 3389 tsv->svv[2] = 0; 3390 tsv->svv[3] = 0; 3391 tsv->svv[4] = 0; 3392 tsv->svv[5] = 0; 3393 3394 return (0); 3395} 3396 3397static int smctr_make_ring_station_version(struct net_device *dev, 3398 MAC_SUB_VECTOR *tsv) 3399{ 3400 struct net_local *tp = netdev_priv(dev); 3401 3402 tsv->svi = RING_STATION_VERSION_NUMBER; 3403 tsv->svl = S_RING_STATION_VERSION_NUMBER; 3404 3405 tsv->svv[0] = 0xe2; /* EBCDIC - S */ 3406 tsv->svv[1] = 0xd4; /* EBCDIC - M */ 3407 tsv->svv[2] = 0xc3; /* EBCDIC - C */ 3408 tsv->svv[3] = 0x40; /* EBCDIC - */ 3409 tsv->svv[4] = 0xe5; /* EBCDIC - V */ 3410 tsv->svv[5] = 0xF0 + (tp->microcode_version >> 4); 3411 tsv->svv[6] = 0xF0 + (tp->microcode_version & 0x0f); 3412 tsv->svv[7] = 0x40; /* EBCDIC - */ 3413 tsv->svv[8] = 0xe7; /* EBCDIC - X */ 3414 3415 if(tp->extra_info & CHIP_REV_MASK) 3416 tsv->svv[9] = 0xc5; /* EBCDIC - E */ 3417 else 3418 tsv->svv[9] = 0xc4; /* EBCDIC - D */ 3419 3420 return (0); 3421} 3422 3423static int smctr_make_tx_status_code(struct net_device *dev, 3424 MAC_SUB_VECTOR *tsv, __u16 tx_fstatus) 3425{ 3426 tsv->svi = TRANSMIT_STATUS_CODE; 3427 tsv->svl = S_TRANSMIT_STATUS_CODE; 3428 3429 tsv->svv[0] = ((tx_fstatus & 0x0100 >> 6) | IBM_PASS_SOURCE_ADDR); 3430 3431 /* Stripped frame status of Transmitted Frame */ 3432 tsv->svv[1] = tx_fstatus & 0xff; 3433 3434 return (0); 3435} 3436 3437static int smctr_make_upstream_neighbor_addr(struct net_device *dev, 3438 MAC_SUB_VECTOR *tsv) 3439{ 3440 struct net_local *tp = netdev_priv(dev); 3441 3442 smctr_get_upstream_neighbor_addr(dev); 3443 3444 tsv->svi = UPSTREAM_NEIGHBOR_ADDRESS; 3445 tsv->svl = S_UPSTREAM_NEIGHBOR_ADDRESS; 3446 3447 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3448 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3449 3450 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3451 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3452 3453 tsv->svv[4] = MSB(tp->misc_command_data[2]); 3454 tsv->svv[5] = LSB(tp->misc_command_data[2]); 3455 3456 return (0); 3457} 3458 3459static int smctr_make_wrap_data(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3460{ 3461 tsv->svi = WRAP_DATA; 3462 tsv->svl = S_WRAP_DATA; 3463 3464 return (0); 3465} 3466 3467/* 3468 * Open/initialize the board. This is called sometime after 3469 * booting when the 'ifconfig' program is run. 3470 * 3471 * This routine should set everything up anew at each open, even 3472 * registers that "should" only need to be set once at boot, so that 3473 * there is non-reboot way to recover if something goes wrong. 3474 */ 3475static int smctr_open(struct net_device *dev) 3476{ 3477 int err; 3478 3479 if(smctr_debug > 10) 3480 printk(KERN_DEBUG "%s: smctr_open\n", dev->name); 3481 3482 err = smctr_init_adapter(dev); 3483 if(err < 0) 3484 return (err); 3485 3486 return (err); 3487} 3488 3489/* Interrupt driven open of Token card. */ 3490static int smctr_open_tr(struct net_device *dev) 3491{ 3492 struct net_local *tp = netdev_priv(dev); 3493 unsigned long flags; 3494 int err; 3495 3496 if(smctr_debug > 10) 3497 printk(KERN_DEBUG "%s: smctr_open_tr\n", dev->name); 3498 3499 /* Now we can actually open the adapter. */ 3500 if(tp->status == OPEN) 3501 return (0); 3502 if(tp->status != INITIALIZED) 3503 return (-1); 3504 3505 /* FIXME: it would work a lot better if we masked the irq sources 3506 on the card here, then we could skip the locking and poll nicely */ 3507 spin_lock_irqsave(&tp->lock, flags); 3508 3509 smctr_set_page(dev, (__u8 *)tp->ram_access); 3510 3511 if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)MAC_QUEUE))) 3512 goto out; 3513 3514 if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)MAC_QUEUE))) 3515 goto out; 3516 3517 if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)NON_MAC_QUEUE))) 3518 goto out; 3519 3520 if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)NON_MAC_QUEUE))) 3521 goto out; 3522 3523 tp->status = CLOSED; 3524 3525 /* Insert into the Ring or Enter Loopback Mode. */ 3526 if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_1) 3527 { 3528 tp->status = CLOSED; 3529 3530 if(!(err = smctr_issue_trc_loopback_cmd(dev))) 3531 { 3532 if(!(err = smctr_wait_cmd(dev))) 3533 tp->status = OPEN; 3534 } 3535 3536 smctr_status_chg(dev); 3537 } 3538 else 3539 { 3540 if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_2) 3541 { 3542 tp->status = CLOSED; 3543 if(!(err = smctr_issue_tri_loopback_cmd(dev))) 3544 { 3545 if(!(err = smctr_wait_cmd(dev))) 3546 tp->status = OPEN; 3547 } 3548 3549 smctr_status_chg(dev); 3550 } 3551 else 3552 { 3553 if((tp->mode_bits & LOOPING_MODE_MASK) 3554 == LOOPBACK_MODE_3) 3555 { 3556 tp->status = CLOSED; 3557 if(!(err = smctr_lobe_media_test_cmd(dev))) 3558 { 3559 if(!(err = smctr_wait_cmd(dev))) 3560 tp->status = OPEN; 3561 } 3562 smctr_status_chg(dev); 3563 } 3564 else 3565 { 3566 if(!(err = smctr_lobe_media_test(dev))) 3567 err = smctr_issue_insert_cmd(dev); 3568 else 3569 { 3570 if(err == LOBE_MEDIA_TEST_FAILED) 3571 printk(KERN_WARNING "%s: Lobe Media Test Failure - Check cable?\n", dev->name); 3572 } 3573 } 3574 } 3575 } 3576 3577out: 3578 spin_unlock_irqrestore(&tp->lock, flags); 3579 3580 return (err); 3581} 3582 3583/* Check for a network adapter of this type, 3584 * and return device structure if one exists. 3585 */ 3586struct net_device __init *smctr_probe(int unit) 3587{ 3588 struct net_device *dev = alloc_trdev(sizeof(struct net_local)); 3589 static const unsigned ports[] = { 3590 0x200, 0x220, 0x240, 0x260, 0x280, 0x2A0, 0x2C0, 0x2E0, 0x300, 3591 0x320, 0x340, 0x360, 0x380, 0 3592 }; 3593 const unsigned *port; 3594 int err = 0; 3595 3596 if (!dev) 3597 return ERR_PTR(-ENOMEM); 3598 3599 if (unit >= 0) { 3600 sprintf(dev->name, "tr%d", unit); 3601 netdev_boot_setup_check(dev); 3602 } 3603 3604 if (dev->base_addr > 0x1ff) /* Check a single specified location. */ 3605 err = smctr_probe1(dev, dev->base_addr); 3606 else if(dev->base_addr != 0) /* Don't probe at all. */ 3607 err =-ENXIO; 3608 else { 3609 for (port = ports; *port; port++) { 3610 err = smctr_probe1(dev, *port); 3611 if (!err) 3612 break; 3613 } 3614 } 3615 if (err) 3616 goto out; 3617 err = register_netdev(dev); 3618 if (err) 3619 goto out1; 3620 return dev; 3621out1: 3622#ifdef CONFIG_MCA_LEGACY 3623 { struct net_local *tp = netdev_priv(dev); 3624 if (tp->slot_num) 3625 mca_mark_as_unused(tp->slot_num); 3626 } 3627#endif 3628 release_region(dev->base_addr, SMCTR_IO_EXTENT); 3629 free_irq(dev->irq, dev); 3630out: 3631 free_netdev(dev); 3632 return ERR_PTR(err); 3633} 3634 3635 3636static int __init smctr_probe1(struct net_device *dev, int ioaddr) 3637{ 3638 static unsigned version_printed; 3639 struct net_local *tp = netdev_priv(dev); 3640 int err; 3641 __u32 *ram; 3642 3643 if(smctr_debug && version_printed++ == 0) 3644 printk(version); 3645 3646 spin_lock_init(&tp->lock); 3647 dev->base_addr = ioaddr; 3648 3649 /* Actually detect an adapter now. */ 3650 err = smctr_chk_isa(dev); 3651 if(err < 0) 3652 { 3653 if ((err = smctr_chk_mca(dev)) < 0) { 3654 err = -ENODEV; 3655 goto out; 3656 } 3657 } 3658 3659 tp = netdev_priv(dev); 3660 dev->mem_start = tp->ram_base; 3661 dev->mem_end = dev->mem_start + 0x10000; 3662 ram = (__u32 *)phys_to_virt(dev->mem_start); 3663 tp->ram_access = *(__u32 *)&ram; 3664 tp->status = NOT_INITIALIZED; 3665 3666 err = smctr_load_firmware(dev); 3667 if(err != UCODE_PRESENT && err != SUCCESS) 3668 { 3669 printk(KERN_ERR "%s: Firmware load failed (%d)\n", dev->name, err); 3670 err = -EIO; 3671 goto out; 3672 } 3673 3674 /* Allow user to specify ring speed on module insert. */ 3675 if(ringspeed == 4) 3676 tp->media_type = MEDIA_UTP_4; 3677 else 3678 tp->media_type = MEDIA_UTP_16; 3679 3680 printk(KERN_INFO "%s: %s %s at Io %#4x, Irq %d, Rom %#4x, Ram %#4x.\n", 3681 dev->name, smctr_name, smctr_model, 3682 (unsigned int)dev->base_addr, 3683 dev->irq, tp->rom_base, tp->ram_base); 3684 3685 dev->open = smctr_open; 3686 dev->stop = smctr_close; 3687 dev->hard_start_xmit = smctr_send_packet; 3688 dev->tx_timeout = smctr_timeout; 3689 dev->watchdog_timeo = HZ; 3690 dev->get_stats = smctr_get_stats; 3691 dev->set_multicast_list = &smctr_set_multicast_list; 3692 return (0); 3693 3694out: 3695 return err; 3696} 3697 3698static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size, 3699 struct net_device *dev, __u16 rx_status) 3700{ 3701 struct net_local *tp = netdev_priv(dev); 3702 struct sk_buff *skb; 3703 __u16 rcode, correlator; 3704 int err = 0; 3705 __u8 xframe = 1; 3706 3707 rmf->vl = SWAP_BYTES(rmf->vl); 3708 if(rx_status & FCB_RX_STATUS_DA_MATCHED) 3709 { 3710 switch(rmf->vc) 3711 { 3712 /* Received MAC Frames Processed by RS. */ 3713 case INIT: 3714 if((rcode = smctr_rcv_init(dev, rmf, &correlator)) == HARDWARE_FAILED) 3715 { 3716 return (rcode); 3717 } 3718 3719 if((err = smctr_send_rsp(dev, rmf, rcode, 3720 correlator))) 3721 { 3722 return (err); 3723 } 3724 break; 3725 3726 case CHG_PARM: 3727 if((rcode = smctr_rcv_chg_param(dev, rmf, 3728 &correlator)) ==HARDWARE_FAILED) 3729 { 3730 return (rcode); 3731 } 3732 3733 if((err = smctr_send_rsp(dev, rmf, rcode, 3734 correlator))) 3735 { 3736 return (err); 3737 } 3738 break; 3739 3740 case RQ_ADDR: 3741 if((rcode = smctr_rcv_rq_addr_state_attch(dev, 3742 rmf, &correlator)) != POSITIVE_ACK) 3743 { 3744 if(rcode == HARDWARE_FAILED) 3745 return (rcode); 3746 else 3747 return (smctr_send_rsp(dev, rmf, 3748 rcode, correlator)); 3749 } 3750 3751 if((err = smctr_send_rpt_addr(dev, rmf, 3752 correlator))) 3753 { 3754 return (err); 3755 } 3756 break; 3757 3758 case RQ_ATTCH: 3759 if((rcode = smctr_rcv_rq_addr_state_attch(dev, 3760 rmf, &correlator)) != POSITIVE_ACK) 3761 { 3762 if(rcode == HARDWARE_FAILED) 3763 return (rcode); 3764 else 3765 return (smctr_send_rsp(dev, rmf, 3766 rcode, 3767 correlator)); 3768 } 3769 3770 if((err = smctr_send_rpt_attch(dev, rmf, 3771 correlator))) 3772 { 3773 return (err); 3774 } 3775 break; 3776 3777 case RQ_STATE: 3778 if((rcode = smctr_rcv_rq_addr_state_attch(dev, 3779 rmf, &correlator)) != POSITIVE_ACK) 3780 { 3781 if(rcode == HARDWARE_FAILED) 3782 return (rcode); 3783 else 3784 return (smctr_send_rsp(dev, rmf, 3785 rcode, 3786 correlator)); 3787 } 3788 3789 if((err = smctr_send_rpt_state(dev, rmf, 3790 correlator))) 3791 { 3792 return (err); 3793 } 3794 break; 3795 3796 case TX_FORWARD: { 3797 __u16 uninitialized_var(tx_fstatus); 3798 3799 if((rcode = smctr_rcv_tx_forward(dev, rmf)) 3800 != POSITIVE_ACK) 3801 { 3802 if(rcode == HARDWARE_FAILED) 3803 return (rcode); 3804 else 3805 return (smctr_send_rsp(dev, rmf, 3806 rcode, 3807 correlator)); 3808 } 3809 3810 if((err = smctr_send_tx_forward(dev, rmf, 3811 &tx_fstatus)) == HARDWARE_FAILED) 3812 { 3813 return (err); 3814 } 3815 3816 if(err == A_FRAME_WAS_FORWARDED) 3817 { 3818 if((err = smctr_send_rpt_tx_forward(dev, 3819 rmf, tx_fstatus)) 3820 == HARDWARE_FAILED) 3821 { 3822 return (err); 3823 } 3824 } 3825 break; 3826 } 3827 3828 /* Received MAC Frames Processed by CRS/REM/RPS. */ 3829 case RSP: 3830 case RQ_INIT: 3831 case RPT_NEW_MON: 3832 case RPT_SUA_CHG: 3833 case RPT_ACTIVE_ERR: 3834 case RPT_NN_INCMP: 3835 case RPT_ERROR: 3836 case RPT_ATTCH: 3837 case RPT_STATE: 3838 case RPT_ADDR: 3839 break; 3840 3841 /* Rcvd Att. MAC Frame (if RXATMAC set) or UNKNOWN */ 3842 default: 3843 xframe = 0; 3844 if(!(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES)) 3845 { 3846 rcode = smctr_rcv_unknown(dev, rmf, 3847 &correlator); 3848 if((err = smctr_send_rsp(dev, rmf,rcode, 3849 correlator))) 3850 { 3851 return (err); 3852 } 3853 } 3854 3855 break; 3856 } 3857 } 3858 else 3859 { 3860 /* 1. DA doesn't match (Promiscuous Mode). 3861 * 2. Parse for Extended MAC Frame Type. 3862 */ 3863 switch(rmf->vc) 3864 { 3865 case RSP: 3866 case INIT: 3867 case RQ_INIT: 3868 case RQ_ADDR: 3869 case RQ_ATTCH: 3870 case RQ_STATE: 3871 case CHG_PARM: 3872 case RPT_ADDR: 3873 case RPT_ERROR: 3874 case RPT_ATTCH: 3875 case RPT_STATE: 3876 case RPT_NEW_MON: 3877 case RPT_SUA_CHG: 3878 case RPT_NN_INCMP: 3879 case RPT_ACTIVE_ERR: 3880 break; 3881 3882 default: 3883 xframe = 0; 3884 break; 3885 } 3886 } 3887 3888 /* NOTE: UNKNOWN MAC frames will NOT be passed up unless 3889 * ACCEPT_ATT_MAC_FRAMES is set. 3890 */ 3891 if(((tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) 3892 && (xframe == (__u8)0)) 3893 || ((tp->receive_mask & ACCEPT_EXT_MAC_FRAMES) 3894 && (xframe == (__u8)1))) 3895 { 3896 rmf->vl = SWAP_BYTES(rmf->vl); 3897 3898 if (!(skb = dev_alloc_skb(size))) 3899 return -ENOMEM; 3900 skb->len = size; 3901 3902 /* Slide data into a sleek skb. */ 3903 skb_put(skb, skb->len); 3904 skb_copy_to_linear_data(skb, rmf, skb->len); 3905 3906 /* Update Counters */ 3907 tp->MacStat.rx_packets++; 3908 tp->MacStat.rx_bytes += skb->len; 3909 3910 /* Kick the packet on up. */ 3911 skb->protocol = tr_type_trans(skb, dev); 3912 netif_rx(skb); 3913 err = 0; 3914 } 3915 3916 return (err); 3917} 3918 3919/* Adapter RAM test. Incremental word ODD boundary data test. */ 3920static int smctr_ram_memory_test(struct net_device *dev) 3921{ 3922 struct net_local *tp = netdev_priv(dev); 3923 __u16 page, pages_of_ram, start_pattern = 0, word_pattern = 0, 3924 word_read = 0, err_word = 0, err_pattern = 0; 3925 unsigned int err_offset; 3926 __u32 j, pword; 3927 __u8 err = 0; 3928 3929 if(smctr_debug > 10) 3930 printk(KERN_DEBUG "%s: smctr_ram_memory_test\n", dev->name); 3931 3932 start_pattern = 0x0001; 3933 pages_of_ram = tp->ram_size / tp->ram_usable; 3934 pword = tp->ram_access; 3935 3936 /* Incremental word ODD boundary test. */ 3937 for(page = 0; (page < pages_of_ram) && (~err); 3938 page++, start_pattern += 0x8000) 3939 { 3940 smctr_set_page(dev, (__u8 *)(tp->ram_access 3941 + (page * tp->ram_usable * 1024) + 1)); 3942 word_pattern = start_pattern; 3943 3944 for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1; j += 2) 3945 *(__u16 *)(pword + j) = word_pattern++; 3946 3947 word_pattern = start_pattern; 3948 3949 for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1 3950 && (~err); j += 2, word_pattern++) 3951 { 3952 word_read = *(__u16 *)(pword + j); 3953 if(word_read != word_pattern) 3954 { 3955 err = (__u8)1; 3956 err_offset = j; 3957 err_word = word_read; 3958 err_pattern = word_pattern; 3959 return (RAM_TEST_FAILED); 3960 } 3961 } 3962 } 3963 3964 /* Zero out memory. */ 3965 for(page = 0; page < pages_of_ram && (~err); page++) 3966 { 3967 smctr_set_page(dev, (__u8 *)(tp->ram_access 3968 + (page * tp->ram_usable * 1024))); 3969 word_pattern = 0; 3970 3971 for(j = 0; j < (__u32)tp->ram_usable * 1024; j +=2) 3972 *(__u16 *)(pword + j) = word_pattern; 3973 3974 for(j =0; j < (__u32)tp->ram_usable * 1024 3975 && (~err); j += 2) 3976 { 3977 word_read = *(__u16 *)(pword + j); 3978 if(word_read != word_pattern) 3979 { 3980 err = (__u8)1; 3981 err_offset = j; 3982 err_word = word_read; 3983 err_pattern = word_pattern; 3984 return (RAM_TEST_FAILED); 3985 } 3986 } 3987 } 3988 3989 smctr_set_page(dev, (__u8 *)tp->ram_access); 3990 3991 return (0); 3992} 3993 3994static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf, 3995 __u16 *correlator) 3996{ 3997 MAC_SUB_VECTOR *rsv; 3998 signed short vlen; 3999 __u16 rcode = POSITIVE_ACK; 4000 unsigned int svectors = F_NO_SUB_VECTORS_FOUND; 4001 4002 /* This Frame can only come from a CRS */ 4003 if((rmf->dc_sc & SC_MASK) != SC_CRS) 4004 return(E_INAPPROPRIATE_SOURCE_CLASS); 4005 4006 /* Remove MVID Length from total length. */ 4007 vlen = (signed short)rmf->vl - 4; 4008 4009 /* Point to First SVID */ 4010 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4011 4012 /* Search for Appropriate SVID's. */ 4013 while((vlen > 0) && (rcode == POSITIVE_ACK)) 4014 { 4015 switch(rsv->svi) 4016 { 4017 case CORRELATOR: 4018 svectors |= F_CORRELATOR; 4019 rcode = smctr_set_corr(dev, rsv, correlator); 4020 break; 4021 4022 case LOCAL_RING_NUMBER: 4023 svectors |= F_LOCAL_RING_NUMBER; 4024 rcode = smctr_set_local_ring_num(dev, rsv); 4025 break; 4026 4027 case ASSIGN_PHYSICAL_DROP: 4028 svectors |= F_ASSIGN_PHYSICAL_DROP; 4029 rcode = smctr_set_phy_drop(dev, rsv); 4030 break; 4031 4032 case ERROR_TIMER_VALUE: 4033 svectors |= F_ERROR_TIMER_VALUE; 4034 rcode = smctr_set_error_timer_value(dev, rsv); 4035 break; 4036 4037 case AUTHORIZED_FUNCTION_CLASS: 4038 svectors |= F_AUTHORIZED_FUNCTION_CLASS; 4039 rcode = smctr_set_auth_funct_class(dev, rsv); 4040 break; 4041 4042 case AUTHORIZED_ACCESS_PRIORITY: 4043 svectors |= F_AUTHORIZED_ACCESS_PRIORITY; 4044 rcode = smctr_set_auth_access_pri(dev, rsv); 4045 break; 4046 4047 default: 4048 rcode = E_SUB_VECTOR_UNKNOWN; 4049 break; 4050 } 4051 4052 /* Let Sender Know if SUM of SV length's is 4053 * larger then length in MVID length field 4054 */ 4055 if((vlen -= rsv->svl) < 0) 4056 rcode = E_VECTOR_LENGTH_ERROR; 4057 4058 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4059 } 4060 4061 if(rcode == POSITIVE_ACK) 4062 { 4063 /* Let Sender Know if MVID length field 4064 * is larger then SUM of SV length's 4065 */ 4066 if(vlen != 0) 4067 rcode = E_VECTOR_LENGTH_ERROR; 4068 else 4069 { 4070 /* Let Sender Know if Expected SVID Missing */ 4071 if((svectors & R_CHG_PARM) ^ R_CHG_PARM) 4072 rcode = E_MISSING_SUB_VECTOR; 4073 } 4074 } 4075 4076 return (rcode); 4077} 4078 4079static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf, 4080 __u16 *correlator) 4081{ 4082 MAC_SUB_VECTOR *rsv; 4083 signed short vlen; 4084 __u16 rcode = POSITIVE_ACK; 4085 unsigned int svectors = F_NO_SUB_VECTORS_FOUND; 4086 4087 /* This Frame can only come from a RPS */ 4088 if((rmf->dc_sc & SC_MASK) != SC_RPS) 4089 return (E_INAPPROPRIATE_SOURCE_CLASS); 4090 4091 /* Remove MVID Length from total length. */ 4092 vlen = (signed short)rmf->vl - 4; 4093 4094 /* Point to First SVID */ 4095 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4096 4097 /* Search for Appropriate SVID's */ 4098 while((vlen > 0) && (rcode == POSITIVE_ACK)) 4099 { 4100 switch(rsv->svi) 4101 { 4102 case CORRELATOR: 4103 svectors |= F_CORRELATOR; 4104 rcode = smctr_set_corr(dev, rsv, correlator); 4105 break; 4106 4107 case LOCAL_RING_NUMBER: 4108 svectors |= F_LOCAL_RING_NUMBER; 4109 rcode = smctr_set_local_ring_num(dev, rsv); 4110 break; 4111 4112 case ASSIGN_PHYSICAL_DROP: 4113 svectors |= F_ASSIGN_PHYSICAL_DROP; 4114 rcode = smctr_set_phy_drop(dev, rsv); 4115 break; 4116 4117 case ERROR_TIMER_VALUE: 4118 svectors |= F_ERROR_TIMER_VALUE; 4119 rcode = smctr_set_error_timer_value(dev, rsv); 4120 break; 4121 4122 default: 4123 rcode = E_SUB_VECTOR_UNKNOWN; 4124 break; 4125 } 4126 4127 /* Let Sender Know if SUM of SV length's is 4128 * larger then length in MVID length field 4129 */ 4130 if((vlen -= rsv->svl) < 0) 4131 rcode = E_VECTOR_LENGTH_ERROR; 4132 4133 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4134 } 4135 4136 if(rcode == POSITIVE_ACK) 4137 { 4138 /* Let Sender Know if MVID length field 4139 * is larger then SUM of SV length's 4140 */ 4141 if(vlen != 0) 4142 rcode = E_VECTOR_LENGTH_ERROR; 4143 else 4144 { 4145 /* Let Sender Know if Expected SV Missing */ 4146 if((svectors & R_INIT) ^ R_INIT) 4147 rcode = E_MISSING_SUB_VECTOR; 4148 } 4149 } 4150 4151 return (rcode); 4152} 4153 4154static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf) 4155{ 4156 MAC_SUB_VECTOR *rsv; 4157 signed short vlen; 4158 __u16 rcode = POSITIVE_ACK; 4159 unsigned int svectors = F_NO_SUB_VECTORS_FOUND; 4160 4161 /* This Frame can only come from a CRS */ 4162 if((rmf->dc_sc & SC_MASK) != SC_CRS) 4163 return (E_INAPPROPRIATE_SOURCE_CLASS); 4164 4165 /* Remove MVID Length from total length */ 4166 vlen = (signed short)rmf->vl - 4; 4167 4168 /* Point to First SVID */ 4169 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4170 4171 /* Search for Appropriate SVID's */ 4172 while((vlen > 0) && (rcode == POSITIVE_ACK)) 4173 { 4174 switch(rsv->svi) 4175 { 4176 case FRAME_FORWARD: 4177 svectors |= F_FRAME_FORWARD; 4178 rcode = smctr_set_frame_forward(dev, rsv, 4179 rmf->dc_sc); 4180 break; 4181 4182 default: 4183 rcode = E_SUB_VECTOR_UNKNOWN; 4184 break; 4185 } 4186 4187 /* Let Sender Know if SUM of SV length's is 4188 * larger then length in MVID length field 4189 */ 4190 if((vlen -= rsv->svl) < 0) 4191 rcode = E_VECTOR_LENGTH_ERROR; 4192 4193 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4194 } 4195 4196 if(rcode == POSITIVE_ACK) 4197 { 4198 /* Let Sender Know if MVID length field 4199 * is larger then SUM of SV length's 4200 */ 4201 if(vlen != 0) 4202 rcode = E_VECTOR_LENGTH_ERROR; 4203 else 4204 { 4205 /* Let Sender Know if Expected SV Missing */ 4206 if((svectors & R_TX_FORWARD) ^ R_TX_FORWARD) 4207 rcode = E_MISSING_SUB_VECTOR; 4208 } 4209 } 4210 4211 return (rcode); 4212} 4213 4214static int smctr_rcv_rq_addr_state_attch(struct net_device *dev, 4215 MAC_HEADER *rmf, __u16 *correlator) 4216{ 4217 MAC_SUB_VECTOR *rsv; 4218 signed short vlen; 4219 __u16 rcode = POSITIVE_ACK; 4220 unsigned int svectors = F_NO_SUB_VECTORS_FOUND; 4221 4222 /* Remove MVID Length from total length */ 4223 vlen = (signed short)rmf->vl - 4; 4224 4225 /* Point to First SVID */ 4226 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4227 4228 /* Search for Appropriate SVID's */ 4229 while((vlen > 0) && (rcode == POSITIVE_ACK)) 4230 { 4231 switch(rsv->svi) 4232 { 4233 case CORRELATOR: 4234 svectors |= F_CORRELATOR; 4235 rcode = smctr_set_corr(dev, rsv, correlator); 4236 break; 4237 4238 default: 4239 rcode = E_SUB_VECTOR_UNKNOWN; 4240 break; 4241 } 4242 4243 /* Let Sender Know if SUM of SV length's is 4244 * larger then length in MVID length field 4245 */ 4246 if((vlen -= rsv->svl) < 0) 4247 rcode = E_VECTOR_LENGTH_ERROR; 4248 4249 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4250 } 4251 4252 if(rcode == POSITIVE_ACK) 4253 { 4254 /* Let Sender Know if MVID length field 4255 * is larger then SUM of SV length's 4256 */ 4257 if(vlen != 0) 4258 rcode = E_VECTOR_LENGTH_ERROR; 4259 else 4260 { 4261 /* Let Sender Know if Expected SVID Missing */ 4262 if((svectors & R_RQ_ATTCH_STATE_ADDR) 4263 ^ R_RQ_ATTCH_STATE_ADDR) 4264 rcode = E_MISSING_SUB_VECTOR; 4265 } 4266 } 4267 4268 return (rcode); 4269} 4270 4271static int smctr_rcv_unknown(struct net_device *dev, MAC_HEADER *rmf, 4272 __u16 *correlator) 4273{ 4274 MAC_SUB_VECTOR *rsv; 4275 signed short vlen; 4276 4277 *correlator = 0; 4278 4279 /* Remove MVID Length from total length */ 4280 vlen = (signed short)rmf->vl - 4; 4281 4282 /* Point to First SVID */ 4283 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4284 4285 /* Search for CORRELATOR for RSP to UNKNOWN */ 4286 while((vlen > 0) && (*correlator == 0)) 4287 { 4288 switch(rsv->svi) 4289 { 4290 case CORRELATOR: 4291 smctr_set_corr(dev, rsv, correlator); 4292 break; 4293 4294 default: 4295 break; 4296 } 4297 4298 vlen -= rsv->svl; 4299 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4300 } 4301 4302 return (E_UNRECOGNIZED_VECTOR_ID); 4303} 4304 4305/* 4306 * Reset the 825 NIC and exit w: 4307 * 1. The NIC reset cleared (non-reset state), halted and un-initialized. 4308 * 2. TINT masked. 4309 * 3. CBUSY masked. 4310 * 4. TINT clear. 4311 * 5. CBUSY clear. 4312 */ 4313static int smctr_reset_adapter(struct net_device *dev) 4314{ 4315 struct net_local *tp = netdev_priv(dev); 4316 int ioaddr = dev->base_addr; 4317 4318 /* Reseting the NIC will put it in a halted and un-initialized state. */ smctr_set_trc_reset(ioaddr); 4319 mdelay(200); /* ~2 ms */ 4320 4321 smctr_clear_trc_reset(ioaddr); 4322 mdelay(200); /* ~2 ms */ 4323 4324 /* Remove any latched interrupts that occurred prior to reseting the 4325 * adapter or possibily caused by line glitches due to the reset. 4326 */ 4327 outb(tp->trc_mask | CSR_CLRTINT | CSR_CLRCBUSY, ioaddr + CSR); 4328 4329 return (0); 4330} 4331 4332static int smctr_restart_tx_chain(struct net_device *dev, short queue) 4333{ 4334 struct net_local *tp = netdev_priv(dev); 4335 int err = 0; 4336 4337 if(smctr_debug > 10) 4338 printk(KERN_DEBUG "%s: smctr_restart_tx_chain\n", dev->name); 4339 4340 if(tp->num_tx_fcbs_used[queue] != 0 4341 && tp->tx_queue_status[queue] == NOT_TRANSMITING) 4342 { 4343 tp->tx_queue_status[queue] = TRANSMITING; 4344 err = smctr_issue_resume_tx_fcb_cmd(dev, queue); 4345 } 4346 4347 return (err); 4348} 4349 4350static int smctr_ring_status_chg(struct net_device *dev) 4351{ 4352 struct net_local *tp = netdev_priv(dev); 4353 4354 if(smctr_debug > 10) 4355 printk(KERN_DEBUG "%s: smctr_ring_status_chg\n", dev->name); 4356 4357 /* Check for ring_status_flag: whenever MONITOR_STATE_BIT 4358 * Bit is set, check value of monitor_state, only then we 4359 * enable and start transmit/receive timeout (if and only 4360 * if it is MS_ACTIVE_MONITOR_STATE or MS_STANDBY_MONITOR_STATE) 4361 */ 4362 if(tp->ring_status_flags == MONITOR_STATE_CHANGED) 4363 { 4364 if((tp->monitor_state == MS_ACTIVE_MONITOR_STATE) 4365 || (tp->monitor_state == MS_STANDBY_MONITOR_STATE)) 4366 { 4367 tp->monitor_state_ready = 1; 4368 } 4369 else 4370 { 4371 /* if adapter is NOT in either active monitor 4372 * or standby monitor state => Disable 4373 * transmit/receive timeout. 4374 */ 4375 tp->monitor_state_ready = 0; 4376 4377 /* Ring speed problem, switching to auto mode. */ 4378 if(tp->monitor_state == MS_MONITOR_FSM_INACTIVE 4379 && !tp->cleanup) 4380 { 4381 printk(KERN_INFO "%s: Incorrect ring speed switching.\n", 4382 dev->name); 4383 smctr_set_ring_speed(dev); 4384 } 4385 } 4386 } 4387 4388 if(!(tp->ring_status_flags & RING_STATUS_CHANGED)) 4389 return (0); 4390 4391 switch(tp->ring_status) 4392 { 4393 case RING_RECOVERY: 4394 printk(KERN_INFO "%s: Ring Recovery\n", dev->name); 4395 tp->current_ring_status |= RING_RECOVERY; 4396 break; 4397 4398 case SINGLE_STATION: 4399 printk(KERN_INFO "%s: Single Statinon\n", dev->name); 4400 tp->current_ring_status |= SINGLE_STATION; 4401 break; 4402 4403 case COUNTER_OVERFLOW: 4404 printk(KERN_INFO "%s: Counter Overflow\n", dev->name); 4405 tp->current_ring_status |= COUNTER_OVERFLOW; 4406 break; 4407 4408 case REMOVE_RECEIVED: 4409 printk(KERN_INFO "%s: Remove Received\n", dev->name); 4410 tp->current_ring_status |= REMOVE_RECEIVED; 4411 break; 4412 4413 case AUTO_REMOVAL_ERROR: 4414 printk(KERN_INFO "%s: Auto Remove Error\n", dev->name); 4415 tp->current_ring_status |= AUTO_REMOVAL_ERROR; 4416 break; 4417 4418 case LOBE_WIRE_FAULT: 4419 printk(KERN_INFO "%s: Lobe Wire Fault\n", dev->name); 4420 tp->current_ring_status |= LOBE_WIRE_FAULT; 4421 break; 4422 4423 case TRANSMIT_BEACON: 4424 printk(KERN_INFO "%s: Transmit Beacon\n", dev->name); 4425 tp->current_ring_status |= TRANSMIT_BEACON; 4426 break; 4427 4428 case SOFT_ERROR: 4429 printk(KERN_INFO "%s: Soft Error\n", dev->name); 4430 tp->current_ring_status |= SOFT_ERROR; 4431 break; 4432 4433 case HARD_ERROR: 4434 printk(KERN_INFO "%s: Hard Error\n", dev->name); 4435 tp->current_ring_status |= HARD_ERROR; 4436 break; 4437 4438 case SIGNAL_LOSS: 4439 printk(KERN_INFO "%s: Signal Loss\n", dev->name); 4440 tp->current_ring_status |= SIGNAL_LOSS; 4441 break; 4442 4443 default: 4444 printk(KERN_INFO "%s: Unknown ring status change\n", 4445 dev->name); 4446 break; 4447 } 4448 4449 return (0); 4450} 4451 4452static int smctr_rx_frame(struct net_device *dev) 4453{ 4454 struct net_local *tp = netdev_priv(dev); 4455 __u16 queue, status, rx_size, err = 0; 4456 __u8 *pbuff; 4457 4458 if(smctr_debug > 10) 4459 printk(KERN_DEBUG "%s: smctr_rx_frame\n", dev->name); 4460 4461 queue = tp->receive_queue_number; 4462 4463 while((status = tp->rx_fcb_curr[queue]->frame_status) != SUCCESS) 4464 { 4465 err = HARDWARE_FAILED; 4466 4467 if(((status & 0x007f) == 0) 4468 || ((tp->receive_mask & ACCEPT_ERR_PACKETS) != 0)) 4469 { 4470 /* frame length less the CRC (4 bytes) + FS (1 byte) */ 4471 rx_size = tp->rx_fcb_curr[queue]->frame_length - 5; 4472 4473 pbuff = smctr_get_rx_pointer(dev, queue); 4474 4475 smctr_set_page(dev, pbuff); 4476 smctr_disable_16bit(dev); 4477 4478 /* pbuff points to addr within one page */ 4479 pbuff = (__u8 *)PAGE_POINTER(pbuff); 4480 4481 if(queue == NON_MAC_QUEUE) 4482 { 4483 struct sk_buff *skb; 4484 4485 skb = dev_alloc_skb(rx_size); 4486 if (skb) { 4487 skb_put(skb, rx_size); 4488 4489 skb_copy_to_linear_data(skb, pbuff, rx_size); 4490 4491 /* Update Counters */ 4492 tp->MacStat.rx_packets++; 4493 tp->MacStat.rx_bytes += skb->len; 4494 4495 /* Kick the packet on up. */ 4496 skb->protocol = tr_type_trans(skb, dev); 4497 netif_rx(skb); 4498 } else { 4499 } 4500 } 4501 else 4502 smctr_process_rx_packet((MAC_HEADER *)pbuff, 4503 rx_size, dev, status); 4504 } 4505 4506 smctr_enable_16bit(dev); 4507 smctr_set_page(dev, (__u8 *)tp->ram_access); 4508 smctr_update_rx_chain(dev, queue); 4509 4510 if(err != SUCCESS) 4511 break; 4512 } 4513 4514 return (err); 4515} 4516 4517static int smctr_send_dat(struct net_device *dev) 4518{ 4519 struct net_local *tp = netdev_priv(dev); 4520 unsigned int i, err; 4521 MAC_HEADER *tmf; 4522 FCBlock *fcb; 4523 4524 if(smctr_debug > 10) 4525 printk(KERN_DEBUG "%s: smctr_send_dat\n", dev->name); 4526 4527 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, 4528 sizeof(MAC_HEADER))) == (FCBlock *)(-1L)) 4529 { 4530 return (OUT_OF_RESOURCES); 4531 } 4532 4533 /* Initialize DAT Data Fields. */ 4534 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4535 tmf->ac = MSB(AC_FC_DAT); 4536 tmf->fc = LSB(AC_FC_DAT); 4537 4538 for(i = 0; i < 6; i++) 4539 { 4540 tmf->sa[i] = dev->dev_addr[i]; 4541 tmf->da[i] = dev->dev_addr[i]; 4542 4543 } 4544 4545 tmf->vc = DAT; 4546 tmf->dc_sc = DC_RS | SC_RS; 4547 tmf->vl = 4; 4548 tmf->vl = SWAP_BYTES(tmf->vl); 4549 4550 /* Start Transmit. */ 4551 if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) 4552 return (err); 4553 4554 /* Wait for Transmit to Complete */ 4555 for(i = 0; i < 10000; i++) 4556 { 4557 if(fcb->frame_status & FCB_COMMAND_DONE) 4558 break; 4559 mdelay(1); 4560 } 4561 4562 /* Check if GOOD frame Tx'ed. */ 4563 if(!(fcb->frame_status & FCB_COMMAND_DONE) 4564 || fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS)) 4565 { 4566 return (INITIALIZE_FAILED); 4567 } 4568 4569 /* De-allocated Tx FCB and Frame Buffer 4570 * The FCB must be de-allocated manually if executing with 4571 * interrupts disabled, other wise the ISR (LM_Service_Events) 4572 * will de-allocate it when the interrupt occurs. 4573 */ 4574 tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; 4575 smctr_update_tx_chain(dev, fcb, MAC_QUEUE); 4576 4577 return (0); 4578} 4579 4580static void smctr_timeout(struct net_device *dev) 4581{ 4582 /* 4583 * If we get here, some higher level has decided we are broken. 4584 * There should really be a "kick me" function call instead. 4585 * 4586 * Resetting the token ring adapter takes a long time so just 4587 * fake transmission time and go on trying. Our own timeout 4588 * routine is in sktr_timer_chk() 4589 */ 4590 dev->trans_start = jiffies; 4591 netif_wake_queue(dev); 4592} 4593 4594/* 4595 * Gets skb from system, queues it and checks if it can be sent 4596 */ 4597static int smctr_send_packet(struct sk_buff *skb, struct net_device *dev) 4598{ 4599 struct net_local *tp = netdev_priv(dev); 4600 4601 if(smctr_debug > 10) 4602 printk(KERN_DEBUG "%s: smctr_send_packet\n", dev->name); 4603 4604 /* 4605 * Block a transmit overlap 4606 */ 4607 4608 netif_stop_queue(dev); 4609 4610 if(tp->QueueSkb == 0) 4611 return (1); /* Return with tbusy set: queue full */ 4612 4613 tp->QueueSkb--; 4614 skb_queue_tail(&tp->SendSkbQueue, skb); 4615 smctr_hardware_send_packet(dev, tp); 4616 if(tp->QueueSkb > 0) 4617 netif_wake_queue(dev); 4618 4619 return (0); 4620} 4621 4622static int smctr_send_lobe_media_test(struct net_device *dev) 4623{ 4624 struct net_local *tp = netdev_priv(dev); 4625 MAC_SUB_VECTOR *tsv; 4626 MAC_HEADER *tmf; 4627 FCBlock *fcb; 4628 __u32 i; 4629 int err; 4630 4631 if(smctr_debug > 15) 4632 printk(KERN_DEBUG "%s: smctr_send_lobe_media_test\n", dev->name); 4633 4634 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(struct trh_hdr) 4635 + S_WRAP_DATA + S_WRAP_DATA)) == (FCBlock *)(-1L)) 4636 { 4637 return (OUT_OF_RESOURCES); 4638 } 4639 4640 /* Initialize DAT Data Fields. */ 4641 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4642 tmf->ac = MSB(AC_FC_LOBE_MEDIA_TEST); 4643 tmf->fc = LSB(AC_FC_LOBE_MEDIA_TEST); 4644 4645 for(i = 0; i < 6; i++) 4646 { 4647 tmf->da[i] = 0; 4648 tmf->sa[i] = dev->dev_addr[i]; 4649 } 4650 4651 tmf->vc = LOBE_MEDIA_TEST; 4652 tmf->dc_sc = DC_RS | SC_RS; 4653 tmf->vl = 4; 4654 4655 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4656 smctr_make_wrap_data(dev, tsv); 4657 tmf->vl += tsv->svl; 4658 4659 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4660 smctr_make_wrap_data(dev, tsv); 4661 tmf->vl += tsv->svl; 4662 4663 /* Start Transmit. */ 4664 tmf->vl = SWAP_BYTES(tmf->vl); 4665 if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) 4666 return (err); 4667 4668 /* Wait for Transmit to Complete. (10 ms). */ 4669 for(i=0; i < 10000; i++) 4670 { 4671 if(fcb->frame_status & FCB_COMMAND_DONE) 4672 break; 4673 mdelay(1); 4674 } 4675 4676 /* Check if GOOD frame Tx'ed */ 4677 if(!(fcb->frame_status & FCB_COMMAND_DONE) 4678 || fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS)) 4679 { 4680 return (LOBE_MEDIA_TEST_FAILED); 4681 } 4682 4683 /* De-allocated Tx FCB and Frame Buffer 4684 * The FCB must be de-allocated manually if executing with 4685 * interrupts disabled, other wise the ISR (LM_Service_Events) 4686 * will de-allocate it when the interrupt occurs. 4687 */ 4688 tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; 4689 smctr_update_tx_chain(dev, fcb, MAC_QUEUE); 4690 4691 return (0); 4692} 4693 4694static int smctr_send_rpt_addr(struct net_device *dev, MAC_HEADER *rmf, 4695 __u16 correlator) 4696{ 4697 MAC_HEADER *tmf; 4698 MAC_SUB_VECTOR *tsv; 4699 FCBlock *fcb; 4700 4701 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4702 + S_CORRELATOR + S_PHYSICAL_DROP + S_UPSTREAM_NEIGHBOR_ADDRESS 4703 + S_ADDRESS_MODIFER + S_GROUP_ADDRESS + S_FUNCTIONAL_ADDRESS)) 4704 == (FCBlock *)(-1L)) 4705 { 4706 return (0); 4707 } 4708 4709 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4710 tmf->vc = RPT_ADDR; 4711 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4712 tmf->vl = 4; 4713 4714 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_ADDR); 4715 4716 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4717 smctr_make_corr(dev, tsv, correlator); 4718 4719 tmf->vl += tsv->svl; 4720 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4721 smctr_make_phy_drop_num(dev, tsv); 4722 4723 tmf->vl += tsv->svl; 4724 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4725 smctr_make_upstream_neighbor_addr(dev, tsv); 4726 4727 tmf->vl += tsv->svl; 4728 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4729 smctr_make_addr_mod(dev, tsv); 4730 4731 tmf->vl += tsv->svl; 4732 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4733 smctr_make_group_addr(dev, tsv); 4734 4735 tmf->vl += tsv->svl; 4736 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4737 smctr_make_funct_addr(dev, tsv); 4738 4739 tmf->vl += tsv->svl; 4740 4741 /* Subtract out MVID and MVL which is 4742 * include in both vl and MAC_HEADER 4743 */ 4744/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4745 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4746*/ 4747 tmf->vl = SWAP_BYTES(tmf->vl); 4748 4749 return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); 4750} 4751 4752static int smctr_send_rpt_attch(struct net_device *dev, MAC_HEADER *rmf, 4753 __u16 correlator) 4754{ 4755 MAC_HEADER *tmf; 4756 MAC_SUB_VECTOR *tsv; 4757 FCBlock *fcb; 4758 4759 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4760 + S_CORRELATOR + S_PRODUCT_INSTANCE_ID + S_FUNCTIONAL_ADDRESS 4761 + S_AUTHORIZED_FUNCTION_CLASS + S_AUTHORIZED_ACCESS_PRIORITY)) 4762 == (FCBlock *)(-1L)) 4763 { 4764 return (0); 4765 } 4766 4767 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4768 tmf->vc = RPT_ATTCH; 4769 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4770 tmf->vl = 4; 4771 4772 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_ATTCH); 4773 4774 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4775 smctr_make_corr(dev, tsv, correlator); 4776 4777 tmf->vl += tsv->svl; 4778 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4779 smctr_make_product_id(dev, tsv); 4780 4781 tmf->vl += tsv->svl; 4782 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4783 smctr_make_funct_addr(dev, tsv); 4784 4785 tmf->vl += tsv->svl; 4786 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4787 smctr_make_auth_funct_class(dev, tsv); 4788 4789 tmf->vl += tsv->svl; 4790 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4791 smctr_make_access_pri(dev, tsv); 4792 4793 tmf->vl += tsv->svl; 4794 4795 /* Subtract out MVID and MVL which is 4796 * include in both vl and MAC_HEADER 4797 */ 4798/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4799 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4800*/ 4801 tmf->vl = SWAP_BYTES(tmf->vl); 4802 4803 return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); 4804} 4805 4806static int smctr_send_rpt_state(struct net_device *dev, MAC_HEADER *rmf, 4807 __u16 correlator) 4808{ 4809 MAC_HEADER *tmf; 4810 MAC_SUB_VECTOR *tsv; 4811 FCBlock *fcb; 4812 4813 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4814 + S_CORRELATOR + S_RING_STATION_VERSION_NUMBER 4815 + S_RING_STATION_STATUS + S_STATION_IDENTIFER)) 4816 == (FCBlock *)(-1L)) 4817 { 4818 return (0); 4819 } 4820 4821 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4822 tmf->vc = RPT_STATE; 4823 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4824 tmf->vl = 4; 4825 4826 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_STATE); 4827 4828 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4829 smctr_make_corr(dev, tsv, correlator); 4830 4831 tmf->vl += tsv->svl; 4832 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4833 smctr_make_ring_station_version(dev, tsv); 4834 4835 tmf->vl += tsv->svl; 4836 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4837 smctr_make_ring_station_status(dev, tsv); 4838 4839 tmf->vl += tsv->svl; 4840 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4841 smctr_make_station_id(dev, tsv); 4842 4843 tmf->vl += tsv->svl; 4844 4845 /* Subtract out MVID and MVL which is 4846 * include in both vl and MAC_HEADER 4847 */ 4848/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4849 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4850*/ 4851 tmf->vl = SWAP_BYTES(tmf->vl); 4852 4853 return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); 4854} 4855 4856static int smctr_send_rpt_tx_forward(struct net_device *dev, 4857 MAC_HEADER *rmf, __u16 tx_fstatus) 4858{ 4859 MAC_HEADER *tmf; 4860 MAC_SUB_VECTOR *tsv; 4861 FCBlock *fcb; 4862 4863 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4864 + S_TRANSMIT_STATUS_CODE)) == (FCBlock *)(-1L)) 4865 { 4866 return (0); 4867 } 4868 4869 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4870 tmf->vc = RPT_TX_FORWARD; 4871 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4872 tmf->vl = 4; 4873 4874 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_TX_FORWARD); 4875 4876 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4877 smctr_make_tx_status_code(dev, tsv, tx_fstatus); 4878 4879 tmf->vl += tsv->svl; 4880 4881 /* Subtract out MVID and MVL which is 4882 * include in both vl and MAC_HEADER 4883 */ 4884/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4885 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4886*/ 4887 tmf->vl = SWAP_BYTES(tmf->vl); 4888 4889 return(smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); 4890} 4891 4892static int smctr_send_rsp(struct net_device *dev, MAC_HEADER *rmf, 4893 __u16 rcode, __u16 correlator) 4894{ 4895 MAC_HEADER *tmf; 4896 MAC_SUB_VECTOR *tsv; 4897 FCBlock *fcb; 4898 4899 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4900 + S_CORRELATOR + S_RESPONSE_CODE)) == (FCBlock *)(-1L)) 4901 { 4902 return (0); 4903 } 4904 4905 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4906 tmf->vc = RSP; 4907 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4908 tmf->vl = 4; 4909 4910 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RSP); 4911 4912 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4913 smctr_make_corr(dev, tsv, correlator); 4914 4915 return (0); 4916} 4917 4918static int smctr_send_rq_init(struct net_device *dev) 4919{ 4920 struct net_local *tp = netdev_priv(dev); 4921 MAC_HEADER *tmf; 4922 MAC_SUB_VECTOR *tsv; 4923 FCBlock *fcb; 4924 unsigned int i, count = 0; 4925 __u16 fstatus; 4926 int err; 4927 4928 do { 4929 if(((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4930 + S_PRODUCT_INSTANCE_ID + S_UPSTREAM_NEIGHBOR_ADDRESS 4931 + S_RING_STATION_VERSION_NUMBER + S_ADDRESS_MODIFER)) 4932 == (FCBlock *)(-1L))) 4933 { 4934 return (0); 4935 } 4936 4937 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4938 tmf->vc = RQ_INIT; 4939 tmf->dc_sc = DC_RPS | SC_RS; 4940 tmf->vl = 4; 4941 4942 smctr_make_8025_hdr(dev, NULL, tmf, AC_FC_RQ_INIT); 4943 4944 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4945 smctr_make_product_id(dev, tsv); 4946 4947 tmf->vl += tsv->svl; 4948 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4949 smctr_make_upstream_neighbor_addr(dev, tsv); 4950 4951 tmf->vl += tsv->svl; 4952 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4953 smctr_make_ring_station_version(dev, tsv); 4954 4955 tmf->vl += tsv->svl; 4956 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4957 smctr_make_addr_mod(dev, tsv); 4958 4959 tmf->vl += tsv->svl; 4960 4961 /* Subtract out MVID and MVL which is 4962 * include in both vl and MAC_HEADER 4963 */ 4964/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4965 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4966*/ 4967 tmf->vl = SWAP_BYTES(tmf->vl); 4968 4969 if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) 4970 return (err); 4971 4972 /* Wait for Transmit to Complete */ 4973 for(i = 0; i < 10000; i++) 4974 { 4975 if(fcb->frame_status & FCB_COMMAND_DONE) 4976 break; 4977 mdelay(1); 4978 } 4979 4980 /* Check if GOOD frame Tx'ed */ 4981 fstatus = fcb->frame_status; 4982 4983 if(!(fstatus & FCB_COMMAND_DONE)) 4984 return (HARDWARE_FAILED); 4985 4986 if(!(fstatus & FCB_TX_STATUS_E)) 4987 count++; 4988 4989 /* De-allocated Tx FCB and Frame Buffer 4990 * The FCB must be de-allocated manually if executing with 4991 * interrupts disabled, other wise the ISR (LM_Service_Events) 4992 * will de-allocate it when the interrupt occurs. 4993 */ 4994 tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; 4995 smctr_update_tx_chain(dev, fcb, MAC_QUEUE); 4996 } while(count < 4 && ((fstatus & FCB_TX_AC_BITS) ^ FCB_TX_AC_BITS)); 4997 4998 return (smctr_join_complete_state(dev)); 4999} 5000 5001static int smctr_send_tx_forward(struct net_device *dev, MAC_HEADER *rmf, 5002 __u16 *tx_fstatus) 5003{ 5004 struct net_local *tp = netdev_priv(dev); 5005 FCBlock *fcb; 5006 unsigned int i; 5007 int err; 5008 5009 /* Check if this is the END POINT of the Transmit Forward Chain. */ 5010 if(rmf->vl <= 18) 5011 return (0); 5012 5013 /* Allocate Transmit FCB only by requesting 0 bytes 5014 * of data buffer. 5015 */ 5016 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, 0)) == (FCBlock *)(-1L)) 5017 return (0); 5018 5019 /* Set pointer to Transmit Frame Buffer to the data 5020 * portion of the received TX Forward frame, making 5021 * sure to skip over the Vector Code (vc) and Vector 5022 * length (vl). 5023 */ 5024 fcb->bdb_ptr->trc_data_block_ptr = TRC_POINTER((__u32)rmf 5025 + sizeof(MAC_HEADER) + 2); 5026 fcb->bdb_ptr->data_block_ptr = (__u16 *)((__u32)rmf 5027 + sizeof(MAC_HEADER) + 2); 5028 5029 fcb->frame_length = rmf->vl - 4 - 2; 5030 fcb->bdb_ptr->buffer_length = rmf->vl - 4 - 2; 5031 5032 if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) 5033 return (err); 5034 5035 /* Wait for Transmit to Complete */ 5036 for(i = 0; i < 10000; i++) 5037 { 5038 if(fcb->frame_status & FCB_COMMAND_DONE) 5039 break; 5040 mdelay(1); 5041 } 5042 5043 /* Check if GOOD frame Tx'ed */ 5044 if(!(fcb->frame_status & FCB_COMMAND_DONE)) 5045 { 5046 if((err = smctr_issue_resume_tx_fcb_cmd(dev, MAC_QUEUE))) 5047 return (err); 5048 5049 for(i = 0; i < 10000; i++) 5050 { 5051 if(fcb->frame_status & FCB_COMMAND_DONE) 5052 break; 5053 mdelay(1); 5054 } 5055 5056 if(!(fcb->frame_status & FCB_COMMAND_DONE)) 5057 return (HARDWARE_FAILED); 5058 } 5059 5060 *tx_fstatus = fcb->frame_status; 5061 5062 return (A_FRAME_WAS_FORWARDED); 5063} 5064 5065static int smctr_set_auth_access_pri(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_ACCESS_PRIORITY) 5071 return (E_SUB_VECTOR_LENGTH_ERROR); 5072 5073 tp->authorized_access_priority = (rsv->svv[0] << 8 | rsv->svv[1]); 5074 5075 return (POSITIVE_ACK); 5076} 5077 5078static int smctr_set_auth_funct_class(struct net_device *dev, 5079 MAC_SUB_VECTOR *rsv) 5080{ 5081 struct net_local *tp = netdev_priv(dev); 5082 5083 if(rsv->svl != S_AUTHORIZED_FUNCTION_CLASS) 5084 return (E_SUB_VECTOR_LENGTH_ERROR); 5085 5086 tp->authorized_function_classes = (rsv->svv[0] << 8 | rsv->svv[1]); 5087 5088 return (POSITIVE_ACK); 5089} 5090 5091static int smctr_set_corr(struct net_device *dev, MAC_SUB_VECTOR *rsv, 5092 __u16 *correlator) 5093{ 5094 if(rsv->svl != S_CORRELATOR) 5095 return (E_SUB_VECTOR_LENGTH_ERROR); 5096 5097 *correlator = (rsv->svv[0] << 8 | rsv->svv[1]); 5098 5099 return (POSITIVE_ACK); 5100} 5101 5102static int smctr_set_error_timer_value(struct net_device *dev, 5103 MAC_SUB_VECTOR *rsv) 5104{ 5105 __u16 err_tval; 5106 int err; 5107 5108 if(rsv->svl != S_ERROR_TIMER_VALUE) 5109 return (E_SUB_VECTOR_LENGTH_ERROR); 5110 5111 err_tval = (rsv->svv[0] << 8 | rsv->svv[1])*10; 5112 5113 smctr_issue_write_word_cmd(dev, RW_TER_THRESHOLD, &err_tval); 5114 5115 if((err = smctr_wait_cmd(dev))) 5116 return (err); 5117 5118 return (POSITIVE_ACK); 5119} 5120 5121static int smctr_set_frame_forward(struct net_device *dev, 5122 MAC_SUB_VECTOR *rsv, __u8 dc_sc) 5123{ 5124 if((rsv->svl < 2) || (rsv->svl > S_FRAME_FORWARD)) 5125 return (E_SUB_VECTOR_LENGTH_ERROR); 5126 5127 if((dc_sc & DC_MASK) != DC_CRS) 5128 { 5129 if(rsv->svl >= 2 && rsv->svl < 20) 5130 return (E_TRANSMIT_FORWARD_INVALID); 5131 5132 if((rsv->svv[0] != 0) || (rsv->svv[1] != 0)) 5133 return (E_TRANSMIT_FORWARD_INVALID); 5134 } 5135 5136 return (POSITIVE_ACK); 5137} 5138 5139static int smctr_set_local_ring_num(struct net_device *dev, 5140 MAC_SUB_VECTOR *rsv) 5141{ 5142 struct net_local *tp = netdev_priv(dev); 5143 5144 if(rsv->svl != S_LOCAL_RING_NUMBER) 5145 return (E_SUB_VECTOR_LENGTH_ERROR); 5146 5147 if(tp->ptr_local_ring_num) 5148 *(__u16 *)(tp->ptr_local_ring_num) 5149 = (rsv->svv[0] << 8 | rsv->svv[1]); 5150 5151 return (POSITIVE_ACK); 5152} 5153 5154static unsigned short smctr_set_ctrl_attention(struct net_device *dev) 5155{ 5156 struct net_local *tp = netdev_priv(dev); 5157 int ioaddr = dev->base_addr; 5158 5159 if(tp->bic_type == BIC_585_CHIP) 5160 outb((tp->trc_mask | HWR_CA), ioaddr + HWR); 5161 else 5162 { 5163 outb((tp->trc_mask | CSR_CA), ioaddr + CSR); 5164 outb(tp->trc_mask, ioaddr + CSR); 5165 } 5166 5167 return (0); 5168} 5169 5170static void smctr_set_multicast_list(struct net_device *dev) 5171{ 5172 if(smctr_debug > 10) 5173 printk(KERN_DEBUG "%s: smctr_set_multicast_list\n", dev->name); 5174 5175 return; 5176} 5177 5178static int smctr_set_page(struct net_device *dev, __u8 *buf) 5179{ 5180 struct net_local *tp = netdev_priv(dev); 5181 __u8 amask; 5182 __u32 tptr; 5183 5184 tptr = (__u32)buf - (__u32)tp->ram_access; 5185 amask = (__u8)((tptr & PR_PAGE_MASK) >> 8); 5186 outb(amask, dev->base_addr + PR); 5187 5188 return (0); 5189} 5190 5191static int smctr_set_phy_drop(struct net_device *dev, MAC_SUB_VECTOR *rsv) 5192{ 5193 int err; 5194 5195 if(rsv->svl != S_PHYSICAL_DROP) 5196 return (E_SUB_VECTOR_LENGTH_ERROR); 5197 5198 smctr_issue_write_byte_cmd(dev, RW_PHYSICAL_DROP_NUMBER, &rsv->svv[0]); 5199 if((err = smctr_wait_cmd(dev))) 5200 return (err); 5201 5202 return (POSITIVE_ACK); 5203} 5204 5205/* Reset the ring speed to the opposite of what it was. This auto-pilot 5206 * mode requires a complete reset and re-init of the adapter. 5207 */ 5208static int smctr_set_ring_speed(struct net_device *dev) 5209{ 5210 struct net_local *tp = netdev_priv(dev); 5211 int err; 5212 5213 if(tp->media_type == MEDIA_UTP_16) 5214 tp->media_type = MEDIA_UTP_4; 5215 else 5216 tp->media_type = MEDIA_UTP_16; 5217 5218 smctr_enable_16bit(dev); 5219 5220 /* Re-Initialize adapter's internal registers */ 5221 smctr_reset_adapter(dev); 5222 5223 if((err = smctr_init_card_real(dev))) 5224 return (err); 5225 5226 smctr_enable_bic_int(dev); 5227 5228 if((err = smctr_issue_enable_int_cmd(dev, TRC_INTERRUPT_ENABLE_MASK))) 5229 return (err); 5230 5231 smctr_disable_16bit(dev); 5232 5233 return (0); 5234} 5235 5236static int smctr_set_rx_look_ahead(struct net_device *dev) 5237{ 5238 struct net_local *tp = netdev_priv(dev); 5239 __u16 sword, rword; 5240 5241 if(smctr_debug > 10) 5242 printk(KERN_DEBUG "%s: smctr_set_rx_look_ahead_flag\n", dev->name); 5243 5244 tp->adapter_flags &= ~(FORCED_16BIT_MODE); 5245 tp->adapter_flags |= RX_VALID_LOOKAHEAD; 5246 5247 if(tp->adapter_bus == BUS_ISA16_TYPE) 5248 { 5249 sword = *((__u16 *)(tp->ram_access)); 5250 *((__u16 *)(tp->ram_access)) = 0x1234; 5251 5252 smctr_disable_16bit(dev); 5253 rword = *((__u16 *)(tp->ram_access)); 5254 smctr_enable_16bit(dev); 5255 5256 if(rword != 0x1234) 5257 tp->adapter_flags |= FORCED_16BIT_MODE; 5258 5259 *((__u16 *)(tp->ram_access)) = sword; 5260 } 5261 5262 return (0); 5263} 5264 5265static int smctr_set_trc_reset(int ioaddr) 5266{ 5267 __u8 r; 5268 5269 r = inb(ioaddr + MSR); 5270 outb(MSR_RST | r, ioaddr + MSR); 5271 5272 return (0); 5273} 5274 5275/* 5276 * This function can be called if the adapter is busy or not. 5277 */ 5278static int smctr_setup_single_cmd(struct net_device *dev, 5279 __u16 command, __u16 subcommand) 5280{ 5281 struct net_local *tp = netdev_priv(dev); 5282 unsigned int err; 5283 5284 if(smctr_debug > 10) 5285 printk(KERN_DEBUG "%s: smctr_setup_single_cmd\n", dev->name); 5286 5287 if((err = smctr_wait_while_cbusy(dev))) 5288 return (err); 5289 5290 if((err = (unsigned int)smctr_wait_cmd(dev))) 5291 return (err); 5292 5293 tp->acb_head->cmd_done_status = 0; 5294 tp->acb_head->cmd = command; 5295 tp->acb_head->subcmd = subcommand; 5296 5297 err = smctr_issue_resume_acb_cmd(dev); 5298 5299 return (err); 5300} 5301 5302/* 5303 * This function can not be called with the adapter busy. 5304 */ 5305static int smctr_setup_single_cmd_w_data(struct net_device *dev, 5306 __u16 command, __u16 subcommand) 5307{ 5308 struct net_local *tp = netdev_priv(dev); 5309 5310 tp->acb_head->cmd_done_status = ACB_COMMAND_NOT_DONE; 5311 tp->acb_head->cmd = command; 5312 tp->acb_head->subcmd = subcommand; 5313 tp->acb_head->data_offset_lo 5314 = (__u16)TRC_POINTER(tp->misc_command_data); 5315 5316 return(smctr_issue_resume_acb_cmd(dev)); 5317} 5318 5319static char *smctr_malloc(struct net_device *dev, __u16 size) 5320{ 5321 struct net_local *tp = netdev_priv(dev); 5322 char *m; 5323 5324 m = (char *)(tp->ram_access + tp->sh_mem_used); 5325 tp->sh_mem_used += (__u32)size; 5326 5327 return (m); 5328} 5329 5330static int smctr_status_chg(struct net_device *dev) 5331{ 5332 struct net_local *tp = netdev_priv(dev); 5333 5334 if(smctr_debug > 10) 5335 printk(KERN_DEBUG "%s: smctr_status_chg\n", dev->name); 5336 5337 switch(tp->status) 5338 { 5339 case OPEN: 5340 break; 5341 5342 case CLOSED: 5343 break; 5344 5345 /* Interrupt driven open() completion. XXX */ 5346 case INITIALIZED: 5347 tp->group_address_0 = 0; 5348 tp->group_address[0] = 0; 5349 tp->group_address[1] = 0; 5350 tp->functional_address_0 = 0; 5351 tp->functional_address[0] = 0; 5352 tp->functional_address[1] = 0; 5353 smctr_open_tr(dev); 5354 break; 5355 5356 default: 5357 printk(KERN_INFO "%s: status change unknown %x\n", 5358 dev->name, tp->status); 5359 break; 5360 } 5361 5362 return (0); 5363} 5364 5365static int smctr_trc_send_packet(struct net_device *dev, FCBlock *fcb, 5366 __u16 queue) 5367{ 5368 struct net_local *tp = netdev_priv(dev); 5369 int err = 0; 5370 5371 if(smctr_debug > 10) 5372 printk(KERN_DEBUG "%s: smctr_trc_send_packet\n", dev->name); 5373 5374 fcb->info = FCB_CHAIN_END | FCB_ENABLE_TFS; 5375 if(tp->num_tx_fcbs[queue] != 1) 5376 fcb->back_ptr->info = FCB_INTERRUPT_ENABLE | FCB_ENABLE_TFS; 5377 5378 if(tp->tx_queue_status[queue] == NOT_TRANSMITING) 5379 { 5380 tp->tx_queue_status[queue] = TRANSMITING; 5381 err = smctr_issue_resume_tx_fcb_cmd(dev, queue); 5382 } 5383 5384 return (err); 5385} 5386 5387static __u16 smctr_tx_complete(struct net_device *dev, __u16 queue) 5388{ 5389 struct net_local *tp = netdev_priv(dev); 5390 __u16 status, err = 0; 5391 int cstatus; 5392 5393 if(smctr_debug > 10) 5394 printk(KERN_DEBUG "%s: smctr_tx_complete\n", dev->name); 5395 5396 while((status = tp->tx_fcb_end[queue]->frame_status) != SUCCESS) 5397 { 5398 if(status & 0x7e00 ) 5399 { 5400 err = HARDWARE_FAILED; 5401 break; 5402 } 5403 5404 if((err = smctr_update_tx_chain(dev, tp->tx_fcb_end[queue], 5405 queue)) != SUCCESS) 5406 break; 5407 5408 smctr_disable_16bit(dev); 5409 5410 if(tp->mode_bits & UMAC) 5411 { 5412 if(!(status & (FCB_TX_STATUS_AR1 | FCB_TX_STATUS_AR2))) 5413 cstatus = NO_SUCH_DESTINATION; 5414 else 5415 { 5416 if(!(status & (FCB_TX_STATUS_CR1 | FCB_TX_STATUS_CR2))) 5417 cstatus = DEST_OUT_OF_RESOURCES; 5418 else 5419 { 5420 if(status & FCB_TX_STATUS_E) 5421 cstatus = MAX_COLLISIONS; 5422 else 5423 cstatus = SUCCESS; 5424 } 5425 } 5426 } 5427 else 5428 cstatus = SUCCESS; 5429 5430 if(queue == BUG_QUEUE) 5431 err = SUCCESS; 5432 5433 smctr_enable_16bit(dev); 5434 if(err != SUCCESS) 5435 break; 5436 } 5437 5438 return (err); 5439} 5440 5441static unsigned short smctr_tx_move_frame(struct net_device *dev, 5442 struct sk_buff *skb, __u8 *pbuff, unsigned int bytes) 5443{ 5444 struct net_local *tp = netdev_priv(dev); 5445 unsigned int ram_usable; 5446 __u32 flen, len, offset = 0; 5447 __u8 *frag, *page; 5448 5449 if(smctr_debug > 10) 5450 printk(KERN_DEBUG "%s: smctr_tx_move_frame\n", dev->name); 5451 5452 ram_usable = ((unsigned int)tp->ram_usable) << 10; 5453 frag = skb->data; 5454 flen = skb->len; 5455 5456 while(flen > 0 && bytes > 0) 5457 { 5458 smctr_set_page(dev, pbuff); 5459 5460 offset = SMC_PAGE_OFFSET(pbuff); 5461 5462 if(offset + flen > ram_usable) 5463 len = ram_usable - offset; 5464 else 5465 len = flen; 5466 5467 if(len > bytes) 5468 len = bytes; 5469 5470 page = (char *) (offset + tp->ram_access); 5471 memcpy(page, frag, len); 5472 5473 flen -=len; 5474 bytes -= len; 5475 frag += len; 5476 pbuff += len; 5477 } 5478 5479 return (0); 5480} 5481 5482/* Update the error statistic counters for this adapter. */ 5483static int smctr_update_err_stats(struct net_device *dev) 5484{ 5485 struct net_local *tp = netdev_priv(dev); 5486 struct tr_statistics *tstat = &tp->MacStat; 5487 5488 if(tstat->internal_errors) 5489 tstat->internal_errors 5490 += *(tp->misc_command_data + 0) & 0x00ff; 5491 5492 if(tstat->line_errors) 5493 tstat->line_errors += *(tp->misc_command_data + 0) >> 8; 5494 5495 if(tstat->A_C_errors) 5496 tstat->A_C_errors += *(tp->misc_command_data + 1) & 0x00ff; 5497 5498 if(tstat->burst_errors) 5499 tstat->burst_errors += *(tp->misc_command_data + 1) >> 8; 5500 5501 if(tstat->abort_delimiters) 5502 tstat->abort_delimiters += *(tp->misc_command_data + 2) >> 8; 5503 5504 if(tstat->recv_congest_count) 5505 tstat->recv_congest_count 5506 += *(tp->misc_command_data + 3) & 0x00ff; 5507 5508 if(tstat->lost_frames) 5509 tstat->lost_frames 5510 += *(tp->misc_command_data + 3) >> 8; 5511 5512 if(tstat->frequency_errors) 5513 tstat->frequency_errors += *(tp->misc_command_data + 4) & 0x00ff; 5514 5515 if(tstat->frame_copied_errors) 5516 tstat->frame_copied_errors 5517 += *(tp->misc_command_data + 4) >> 8; 5518 5519 if(tstat->token_errors) 5520 tstat->token_errors += *(tp->misc_command_data + 5) >> 8; 5521 5522 return (0); 5523} 5524 5525static int smctr_update_rx_chain(struct net_device *dev, __u16 queue) 5526{ 5527 struct net_local *tp = netdev_priv(dev); 5528 FCBlock *fcb; 5529 BDBlock *bdb; 5530 __u16 size, len; 5531 5532 fcb = tp->rx_fcb_curr[queue]; 5533 len = fcb->frame_length; 5534 5535 fcb->frame_status = 0; 5536 fcb->info = FCB_CHAIN_END; 5537 fcb->back_ptr->info = FCB_WARNING; 5538 5539 tp->rx_fcb_curr[queue] = tp->rx_fcb_curr[queue]->next_ptr; 5540 5541 /* update RX BDBs */ 5542 size = (len >> RX_BDB_SIZE_SHIFT); 5543 if(len & RX_DATA_BUFFER_SIZE_MASK) 5544 size += sizeof(BDBlock); 5545 size &= (~RX_BDB_SIZE_MASK); 5546 5547 /* check if wrap around */ 5548 bdb = (BDBlock *)((__u32)(tp->rx_bdb_curr[queue]) + (__u32)(size)); 5549 if((__u32)bdb >= (__u32)tp->rx_bdb_end[queue]) 5550 { 5551 bdb = (BDBlock *)((__u32)(tp->rx_bdb_head[queue]) 5552 + (__u32)(bdb) - (__u32)(tp->rx_bdb_end[queue])); 5553 } 5554 5555 bdb->back_ptr->info = BDB_CHAIN_END; 5556 tp->rx_bdb_curr[queue]->back_ptr->info = BDB_NOT_CHAIN_END; 5557 tp->rx_bdb_curr[queue] = bdb; 5558 5559 return (0); 5560} 5561 5562static int smctr_update_tx_chain(struct net_device *dev, FCBlock *fcb, 5563 __u16 queue) 5564{ 5565 struct net_local *tp = netdev_priv(dev); 5566 5567 if(smctr_debug > 20) 5568 printk(KERN_DEBUG "smctr_update_tx_chain\n"); 5569 5570 if(tp->num_tx_fcbs_used[queue] <= 0) 5571 return (HARDWARE_FAILED); 5572 else 5573 { 5574 if(tp->tx_buff_used[queue] < fcb->memory_alloc) 5575 { 5576 tp->tx_buff_used[queue] = 0; 5577 return (HARDWARE_FAILED); 5578 } 5579 5580 tp->tx_buff_used[queue] -= fcb->memory_alloc; 5581 5582 /* if all transmit buffer are cleared 5583 * need to set the tx_buff_curr[] to tx_buff_head[] 5584 * otherwise, tx buffer will be segregate and cannot 5585 * accommodate and buffer greater than (curr - head) and 5586 * (end - curr) since we do not allow wrap around allocation. 5587 */ 5588 if(tp->tx_buff_used[queue] == 0) 5589 tp->tx_buff_curr[queue] = tp->tx_buff_head[queue]; 5590 5591 tp->num_tx_fcbs_used[queue]--; 5592 fcb->frame_status = 0; 5593 tp->tx_fcb_end[queue] = fcb->next_ptr; 5594 netif_wake_queue(dev); 5595 return (0); 5596 } 5597} 5598 5599static int smctr_wait_cmd(struct net_device *dev) 5600{ 5601 struct net_local *tp = netdev_priv(dev); 5602 unsigned int loop_count = 0x20000; 5603 5604 if(smctr_debug > 10) 5605 printk(KERN_DEBUG "%s: smctr_wait_cmd\n", dev->name); 5606 5607 while(loop_count) 5608 { 5609 if(tp->acb_head->cmd_done_status & ACB_COMMAND_DONE) 5610 break; 5611 udelay(1); 5612 loop_count--; 5613 } 5614 5615 if(loop_count == 0) 5616 return(HARDWARE_FAILED); 5617 5618 if(tp->acb_head->cmd_done_status & 0xff) 5619 return(HARDWARE_FAILED); 5620 5621 return (0); 5622} 5623 5624static int smctr_wait_while_cbusy(struct net_device *dev) 5625{ 5626 struct net_local *tp = netdev_priv(dev); 5627 unsigned int timeout = 0x20000; 5628 int ioaddr = dev->base_addr; 5629 __u8 r; 5630 5631 if(tp->bic_type == BIC_585_CHIP) 5632 { 5633 while(timeout) 5634 { 5635 r = inb(ioaddr + HWR); 5636 if((r & HWR_CBUSY) == 0) 5637 break; 5638 timeout--; 5639 } 5640 } 5641 else 5642 { 5643 while(timeout) 5644 { 5645 r = inb(ioaddr + CSR); 5646 if((r & CSR_CBUSY) == 0) 5647 break; 5648 timeout--; 5649 } 5650 } 5651 5652 if(timeout) 5653 return (0); 5654 else 5655 return (HARDWARE_FAILED); 5656} 5657 5658#ifdef MODULE 5659 5660static struct net_device* dev_smctr[SMCTR_MAX_ADAPTERS]; 5661static int io[SMCTR_MAX_ADAPTERS]; 5662static int irq[SMCTR_MAX_ADAPTERS]; 5663 5664MODULE_LICENSE("GPL"); 5665MODULE_FIRMWARE("tr_smctr.bin"); 5666 5667module_param_array(io, int, NULL, 0); 5668module_param_array(irq, int, NULL, 0); 5669module_param(ringspeed, int, 0); 5670 5671static struct net_device * __init setup_card(int n) 5672{ 5673 struct net_device *dev = alloc_trdev(sizeof(struct net_local)); 5674 int err; 5675 5676 if (!dev) 5677 return ERR_PTR(-ENOMEM); 5678 5679 dev->irq = irq[n]; 5680 err = smctr_probe1(dev, io[n]); 5681 if (err) 5682 goto out; 5683 5684 err = register_netdev(dev); 5685 if (err) 5686 goto out1; 5687 return dev; 5688 out1: 5689#ifdef CONFIG_MCA_LEGACY 5690 { struct net_local *tp = netdev_priv(dev); 5691 if (tp->slot_num) 5692 mca_mark_as_unused(tp->slot_num); 5693 } 5694#endif 5695 release_region(dev->base_addr, SMCTR_IO_EXTENT); 5696 free_irq(dev->irq, dev); 5697out: 5698 free_netdev(dev); 5699 return ERR_PTR(err); 5700} 5701 5702int __init init_module(void) 5703{ 5704 int i, found = 0; 5705 struct net_device *dev; 5706 5707 for(i = 0; i < SMCTR_MAX_ADAPTERS; i++) { 5708 dev = io[0]? setup_card(i) : smctr_probe(-1); 5709 if (!IS_ERR(dev)) { 5710 ++found; 5711 dev_smctr[i] = dev; 5712 } 5713 } 5714 5715 return found ? 0 : -ENODEV; 5716} 5717 5718void __exit cleanup_module(void) 5719{ 5720 int i; 5721 5722 for(i = 0; i < SMCTR_MAX_ADAPTERS; i++) { 5723 struct net_device *dev = dev_smctr[i]; 5724 5725 if (dev) { 5726 5727 unregister_netdev(dev); 5728#ifdef CONFIG_MCA_LEGACY 5729 { struct net_local *tp = netdev_priv(dev); 5730 if (tp->slot_num) 5731 mca_mark_as_unused(tp->slot_num); 5732 } 5733#endif 5734 release_region(dev->base_addr, SMCTR_IO_EXTENT); 5735 if (dev->irq) 5736 free_irq(dev->irq, dev); 5737 5738 free_netdev(dev); 5739 } 5740 } 5741} 5742#endif /* MODULE */