tjh.dev / kernel
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kernel / drivers / net / tokenring / smctr.c
at v2.6.35-rc3 5716 lines 190 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/string.h> 40#include <linux/time.h> 41#include <linux/errno.h> 42#include <linux/init.h> 43#include <linux/mca-legacy.h> 44#include <linux/delay.h> 45#include <linux/netdevice.h> 46#include <linux/etherdevice.h> 47#include <linux/skbuff.h> 48#include <linux/trdevice.h> 49#include <linux/bitops.h> 50#include <linux/firmware.h> 51 52#include <asm/system.h> 53#include <asm/io.h> 54#include <asm/dma.h> 55#include <asm/irq.h> 56 57#if BITS_PER_LONG == 64 58#error FIXME: driver does not support 64-bit platforms 59#endif 60 61#include "smctr.h" /* Our Stuff */ 62 63static const char version[] __initdata = 64 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 FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue, 127 __u16 bytes_count); 128static int smctr_get_upstream_neighbor_addr(struct net_device *dev); 129 130/* H */ 131static int smctr_hardware_send_packet(struct net_device *dev, 132 struct net_local *tp); 133/* I */ 134static int smctr_init_acbs(struct net_device *dev); 135static int smctr_init_adapter(struct net_device *dev); 136static int smctr_init_card_real(struct net_device *dev); 137static int smctr_init_rx_bdbs(struct net_device *dev); 138static int smctr_init_rx_fcbs(struct net_device *dev); 139static int smctr_init_shared_memory(struct net_device *dev); 140static int smctr_init_tx_bdbs(struct net_device *dev); 141static int smctr_init_tx_fcbs(struct net_device *dev); 142static int smctr_internal_self_test(struct net_device *dev); 143static irqreturn_t smctr_interrupt(int irq, void *dev_id); 144static int smctr_issue_enable_int_cmd(struct net_device *dev, 145 __u16 interrupt_enable_mask); 146static int smctr_issue_int_ack(struct net_device *dev, __u16 iack_code, 147 __u16 ibits); 148static int smctr_issue_init_timers_cmd(struct net_device *dev); 149static int smctr_issue_init_txrx_cmd(struct net_device *dev); 150static int smctr_issue_insert_cmd(struct net_device *dev); 151static int smctr_issue_read_ring_status_cmd(struct net_device *dev); 152static int smctr_issue_read_word_cmd(struct net_device *dev, __u16 aword_cnt); 153static int smctr_issue_remove_cmd(struct net_device *dev); 154static int smctr_issue_resume_acb_cmd(struct net_device *dev); 155static int smctr_issue_resume_rx_bdb_cmd(struct net_device *dev, __u16 queue); 156static int smctr_issue_resume_rx_fcb_cmd(struct net_device *dev, __u16 queue); 157static int smctr_issue_resume_tx_fcb_cmd(struct net_device *dev, __u16 queue); 158static int smctr_issue_test_internal_rom_cmd(struct net_device *dev); 159static int smctr_issue_test_hic_cmd(struct net_device *dev); 160static int smctr_issue_test_mac_reg_cmd(struct net_device *dev); 161static int smctr_issue_trc_loopback_cmd(struct net_device *dev); 162static int smctr_issue_tri_loopback_cmd(struct net_device *dev); 163static int smctr_issue_write_byte_cmd(struct net_device *dev, 164 short aword_cnt, void *byte); 165static int smctr_issue_write_word_cmd(struct net_device *dev, 166 short aword_cnt, void *word); 167 168/* J */ 169static int smctr_join_complete_state(struct net_device *dev); 170 171/* L */ 172static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev); 173static int smctr_load_firmware(struct net_device *dev); 174static int smctr_load_node_addr(struct net_device *dev); 175static int smctr_lobe_media_test(struct net_device *dev); 176static int smctr_lobe_media_test_cmd(struct net_device *dev); 177static int smctr_lobe_media_test_state(struct net_device *dev); 178 179/* M */ 180static int smctr_make_8025_hdr(struct net_device *dev, 181 MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc); 182static int smctr_make_access_pri(struct net_device *dev, 183 MAC_SUB_VECTOR *tsv); 184static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv); 185static int smctr_make_auth_funct_class(struct net_device *dev, 186 MAC_SUB_VECTOR *tsv); 187static int smctr_make_corr(struct net_device *dev, 188 MAC_SUB_VECTOR *tsv, __u16 correlator); 189static int smctr_make_funct_addr(struct net_device *dev, 190 MAC_SUB_VECTOR *tsv); 191static int smctr_make_group_addr(struct net_device *dev, 192 MAC_SUB_VECTOR *tsv); 193static int smctr_make_phy_drop_num(struct net_device *dev, 194 MAC_SUB_VECTOR *tsv); 195static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv); 196static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv); 197static int smctr_make_ring_station_status(struct net_device *dev, 198 MAC_SUB_VECTOR *tsv); 199static int smctr_make_ring_station_version(struct net_device *dev, 200 MAC_SUB_VECTOR *tsv); 201static int smctr_make_tx_status_code(struct net_device *dev, 202 MAC_SUB_VECTOR *tsv, __u16 tx_fstatus); 203static int smctr_make_upstream_neighbor_addr(struct net_device *dev, 204 MAC_SUB_VECTOR *tsv); 205static int smctr_make_wrap_data(struct net_device *dev, 206 MAC_SUB_VECTOR *tsv); 207 208/* O */ 209static int smctr_open(struct net_device *dev); 210static int smctr_open_tr(struct net_device *dev); 211 212/* P */ 213struct net_device *smctr_probe(int unit); 214static int __init smctr_probe1(struct net_device *dev, int ioaddr); 215static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size, 216 struct net_device *dev, __u16 rx_status); 217 218/* R */ 219static int smctr_ram_memory_test(struct net_device *dev); 220static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf, 221 __u16 *correlator); 222static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf, 223 __u16 *correlator); 224static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf); 225static int smctr_rcv_rq_addr_state_attch(struct net_device *dev, 226 MAC_HEADER *rmf, __u16 *correlator); 227static int smctr_rcv_unknown(struct net_device *dev, MAC_HEADER *rmf, 228 __u16 *correlator); 229static int smctr_reset_adapter(struct net_device *dev); 230static int smctr_restart_tx_chain(struct net_device *dev, short queue); 231static int smctr_ring_status_chg(struct net_device *dev); 232static int smctr_rx_frame(struct net_device *dev); 233 234/* S */ 235static int smctr_send_dat(struct net_device *dev); 236static netdev_tx_t smctr_send_packet(struct sk_buff *skb, 237 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 contiguous 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) > tp->microcode_version)) 3014 { 3015 smctr_enable_adapter_ctrl_store(dev); 3016 3017 /* Zero out ram space for firmware. */ 3018 for(i = 0; i < CS_RAM_SIZE; i += 2) 3019 *((__u16 *)(tp->ram_access + i)) = 0; 3020 3021 smctr_decode_firmware(dev, fw); 3022 3023 tp->microcode_version = *(fw->data + UCODE_VERSION_OFFSET); *((__u16 *)(tp->ram_access + CS_RAM_VERSION_OFFSET)) 3024 = (tp->microcode_version << 8); 3025 *((__u16 *)(tp->ram_access + CS_RAM_CHECKSUM_OFFSET)) 3026 = ~(tp->microcode_version << 8) + 1; 3027 3028 smctr_disable_adapter_ctrl_store(dev); 3029 3030 if(smctr_checksum_firmware(dev)) 3031 err = HARDWARE_FAILED; 3032 } 3033 else 3034 err = UCODE_PRESENT; 3035 3036 smctr_disable_16bit(dev); 3037 out: 3038 release_firmware(fw); 3039 return (err); 3040} 3041 3042static int smctr_load_node_addr(struct net_device *dev) 3043{ 3044 int ioaddr = dev->base_addr; 3045 unsigned int i; 3046 __u8 r; 3047 3048 for(i = 0; i < 6; i++) 3049 { 3050 r = inb(ioaddr + LAR0 + i); 3051 dev->dev_addr[i] = (char)r; 3052 } 3053 dev->addr_len = 6; 3054 3055 return (0); 3056} 3057 3058/* Lobe Media Test. 3059 * During the transmission of the initial 1500 lobe media MAC frames, 3060 * the phase lock loop in the 805 chip may lock, and then un-lock, causing 3061 * the 825 to go into a PURGE state. When performing a PURGE, the MCT 3062 * microcode will not transmit any frames given to it by the host, and 3063 * will consequently cause a timeout. 3064 * 3065 * NOTE 1: If the monitor_state is MS_BEACON_TEST_STATE, all transmit 3066 * queues other than the one used for the lobe_media_test should be 3067 * disabled.!? 3068 * 3069 * NOTE 2: If the monitor_state is MS_BEACON_TEST_STATE and the receive_mask 3070 * has any multi-cast or promiscous bits set, the receive_mask needs to 3071 * be changed to clear the multi-cast or promiscous mode bits, the lobe_test 3072 * run, and then the receive mask set back to its original value if the test 3073 * is successful. 3074 */ 3075static int smctr_lobe_media_test(struct net_device *dev) 3076{ 3077 struct net_local *tp = netdev_priv(dev); 3078 unsigned int i, perror = 0; 3079 unsigned short saved_rcv_mask; 3080 3081 if(smctr_debug > 10) 3082 printk(KERN_DEBUG "%s: smctr_lobe_media_test\n", dev->name); 3083 3084 /* Clear receive mask for lobe test. */ 3085 saved_rcv_mask = tp->receive_mask; 3086 tp->receive_mask = 0; 3087 3088 smctr_chg_rx_mask(dev); 3089 3090 /* Setup the lobe media test. */ 3091 smctr_lobe_media_test_cmd(dev); 3092 if(smctr_wait_cmd(dev)) 3093 goto err; 3094 3095 /* Tx lobe media test frames. */ 3096 for(i = 0; i < 1500; ++i) 3097 { 3098 if(smctr_send_lobe_media_test(dev)) 3099 { 3100 if(perror) 3101 goto err; 3102 else 3103 { 3104 perror = 1; 3105 if(smctr_lobe_media_test_cmd(dev)) 3106 goto err; 3107 } 3108 } 3109 } 3110 3111 if(smctr_send_dat(dev)) 3112 { 3113 if(smctr_send_dat(dev)) 3114 goto err; 3115 } 3116 3117 /* Check if any frames received during test. */ 3118 if((tp->rx_fcb_curr[MAC_QUEUE]->frame_status) || 3119 (tp->rx_fcb_curr[NON_MAC_QUEUE]->frame_status)) 3120 goto err; 3121 3122 /* Set receive mask to "Promisc" mode. */ 3123 tp->receive_mask = saved_rcv_mask; 3124 3125 smctr_chg_rx_mask(dev); 3126 3127 return 0; 3128err: 3129 smctr_reset_adapter(dev); 3130 tp->status = CLOSED; 3131 return LOBE_MEDIA_TEST_FAILED; 3132} 3133 3134static int smctr_lobe_media_test_cmd(struct net_device *dev) 3135{ 3136 struct net_local *tp = netdev_priv(dev); 3137 int err; 3138 3139 if(smctr_debug > 10) 3140 printk(KERN_DEBUG "%s: smctr_lobe_media_test_cmd\n", dev->name); 3141 3142 /* Change to lobe media test state. */ 3143 if(tp->monitor_state != MS_BEACON_TEST_STATE) 3144 { 3145 smctr_lobe_media_test_state(dev); 3146 if(smctr_wait_cmd(dev)) 3147 { 3148 printk(KERN_ERR "Lobe Failed test state\n"); 3149 return (LOBE_MEDIA_TEST_FAILED); 3150 } 3151 } 3152 3153 err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, 3154 TRC_LOBE_MEDIA_TEST); 3155 3156 return (err); 3157} 3158 3159static int smctr_lobe_media_test_state(struct net_device *dev) 3160{ 3161 int err; 3162 3163 err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, 3164 JS_LOBE_TEST_STATE); 3165 3166 return (err); 3167} 3168 3169static int smctr_make_8025_hdr(struct net_device *dev, 3170 MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc) 3171{ 3172 tmf->ac = MSB(ac_fc); /* msb is access control */ 3173 tmf->fc = LSB(ac_fc); /* lsb is frame control */ 3174 3175 tmf->sa[0] = dev->dev_addr[0]; 3176 tmf->sa[1] = dev->dev_addr[1]; 3177 tmf->sa[2] = dev->dev_addr[2]; 3178 tmf->sa[3] = dev->dev_addr[3]; 3179 tmf->sa[4] = dev->dev_addr[4]; 3180 tmf->sa[5] = dev->dev_addr[5]; 3181 3182 switch(tmf->vc) 3183 { 3184 /* Send RQ_INIT to RPS */ 3185 case RQ_INIT: 3186 tmf->da[0] = 0xc0; 3187 tmf->da[1] = 0x00; 3188 tmf->da[2] = 0x00; 3189 tmf->da[3] = 0x00; 3190 tmf->da[4] = 0x00; 3191 tmf->da[5] = 0x02; 3192 break; 3193 3194 /* Send RPT_TX_FORWARD to CRS */ 3195 case RPT_TX_FORWARD: 3196 tmf->da[0] = 0xc0; 3197 tmf->da[1] = 0x00; 3198 tmf->da[2] = 0x00; 3199 tmf->da[3] = 0x00; 3200 tmf->da[4] = 0x00; 3201 tmf->da[5] = 0x10; 3202 break; 3203 3204 /* Everything else goes to sender */ 3205 default: 3206 tmf->da[0] = rmf->sa[0]; 3207 tmf->da[1] = rmf->sa[1]; 3208 tmf->da[2] = rmf->sa[2]; 3209 tmf->da[3] = rmf->sa[3]; 3210 tmf->da[4] = rmf->sa[4]; 3211 tmf->da[5] = rmf->sa[5]; 3212 break; 3213 } 3214 3215 return (0); 3216} 3217 3218static int smctr_make_access_pri(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3219{ 3220 struct net_local *tp = netdev_priv(dev); 3221 3222 tsv->svi = AUTHORIZED_ACCESS_PRIORITY; 3223 tsv->svl = S_AUTHORIZED_ACCESS_PRIORITY; 3224 3225 tsv->svv[0] = MSB(tp->authorized_access_priority); 3226 tsv->svv[1] = LSB(tp->authorized_access_priority); 3227 3228 return (0); 3229} 3230 3231static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3232{ 3233 tsv->svi = ADDRESS_MODIFER; 3234 tsv->svl = S_ADDRESS_MODIFER; 3235 3236 tsv->svv[0] = 0; 3237 tsv->svv[1] = 0; 3238 3239 return (0); 3240} 3241 3242static int smctr_make_auth_funct_class(struct net_device *dev, 3243 MAC_SUB_VECTOR *tsv) 3244{ 3245 struct net_local *tp = netdev_priv(dev); 3246 3247 tsv->svi = AUTHORIZED_FUNCTION_CLASS; 3248 tsv->svl = S_AUTHORIZED_FUNCTION_CLASS; 3249 3250 tsv->svv[0] = MSB(tp->authorized_function_classes); 3251 tsv->svv[1] = LSB(tp->authorized_function_classes); 3252 3253 return (0); 3254} 3255 3256static int smctr_make_corr(struct net_device *dev, 3257 MAC_SUB_VECTOR *tsv, __u16 correlator) 3258{ 3259 tsv->svi = CORRELATOR; 3260 tsv->svl = S_CORRELATOR; 3261 3262 tsv->svv[0] = MSB(correlator); 3263 tsv->svv[1] = LSB(correlator); 3264 3265 return (0); 3266} 3267 3268static int smctr_make_funct_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3269{ 3270 struct net_local *tp = netdev_priv(dev); 3271 3272 smctr_get_functional_address(dev); 3273 3274 tsv->svi = FUNCTIONAL_ADDRESS; 3275 tsv->svl = S_FUNCTIONAL_ADDRESS; 3276 3277 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3278 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3279 3280 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3281 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3282 3283 return (0); 3284} 3285 3286static int smctr_make_group_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3287{ 3288 struct net_local *tp = netdev_priv(dev); 3289 3290 smctr_get_group_address(dev); 3291 3292 tsv->svi = GROUP_ADDRESS; 3293 tsv->svl = S_GROUP_ADDRESS; 3294 3295 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3296 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3297 3298 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3299 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3300 3301 /* Set Group Address Sub-vector to all zeros if only the 3302 * Group Address/Functional Address Indicator is set. 3303 */ 3304 if(tsv->svv[0] == 0x80 && tsv->svv[1] == 0x00 && 3305 tsv->svv[2] == 0x00 && tsv->svv[3] == 0x00) 3306 tsv->svv[0] = 0x00; 3307 3308 return (0); 3309} 3310 3311static int smctr_make_phy_drop_num(struct net_device *dev, 3312 MAC_SUB_VECTOR *tsv) 3313{ 3314 struct net_local *tp = netdev_priv(dev); 3315 3316 smctr_get_physical_drop_number(dev); 3317 3318 tsv->svi = PHYSICAL_DROP; 3319 tsv->svl = S_PHYSICAL_DROP; 3320 3321 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3322 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3323 3324 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3325 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3326 3327 return (0); 3328} 3329 3330static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3331{ 3332 int i; 3333 3334 tsv->svi = PRODUCT_INSTANCE_ID; 3335 tsv->svl = S_PRODUCT_INSTANCE_ID; 3336 3337 for(i = 0; i < 18; i++) 3338 tsv->svv[i] = 0xF0; 3339 3340 return (0); 3341} 3342 3343static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3344{ 3345 struct net_local *tp = netdev_priv(dev); 3346 3347 smctr_get_station_id(dev); 3348 3349 tsv->svi = STATION_IDENTIFER; 3350 tsv->svl = S_STATION_IDENTIFER; 3351 3352 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3353 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3354 3355 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3356 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3357 3358 tsv->svv[4] = MSB(tp->misc_command_data[2]); 3359 tsv->svv[5] = LSB(tp->misc_command_data[2]); 3360 3361 return (0); 3362} 3363 3364static int smctr_make_ring_station_status(struct net_device *dev, 3365 MAC_SUB_VECTOR * tsv) 3366{ 3367 tsv->svi = RING_STATION_STATUS; 3368 tsv->svl = S_RING_STATION_STATUS; 3369 3370 tsv->svv[0] = 0; 3371 tsv->svv[1] = 0; 3372 tsv->svv[2] = 0; 3373 tsv->svv[3] = 0; 3374 tsv->svv[4] = 0; 3375 tsv->svv[5] = 0; 3376 3377 return (0); 3378} 3379 3380static int smctr_make_ring_station_version(struct net_device *dev, 3381 MAC_SUB_VECTOR *tsv) 3382{ 3383 struct net_local *tp = netdev_priv(dev); 3384 3385 tsv->svi = RING_STATION_VERSION_NUMBER; 3386 tsv->svl = S_RING_STATION_VERSION_NUMBER; 3387 3388 tsv->svv[0] = 0xe2; /* EBCDIC - S */ 3389 tsv->svv[1] = 0xd4; /* EBCDIC - M */ 3390 tsv->svv[2] = 0xc3; /* EBCDIC - C */ 3391 tsv->svv[3] = 0x40; /* EBCDIC - */ 3392 tsv->svv[4] = 0xe5; /* EBCDIC - V */ 3393 tsv->svv[5] = 0xF0 + (tp->microcode_version >> 4); 3394 tsv->svv[6] = 0xF0 + (tp->microcode_version & 0x0f); 3395 tsv->svv[7] = 0x40; /* EBCDIC - */ 3396 tsv->svv[8] = 0xe7; /* EBCDIC - X */ 3397 3398 if(tp->extra_info & CHIP_REV_MASK) 3399 tsv->svv[9] = 0xc5; /* EBCDIC - E */ 3400 else 3401 tsv->svv[9] = 0xc4; /* EBCDIC - D */ 3402 3403 return (0); 3404} 3405 3406static int smctr_make_tx_status_code(struct net_device *dev, 3407 MAC_SUB_VECTOR *tsv, __u16 tx_fstatus) 3408{ 3409 tsv->svi = TRANSMIT_STATUS_CODE; 3410 tsv->svl = S_TRANSMIT_STATUS_CODE; 3411 3412 tsv->svv[0] = ((tx_fstatus & 0x0100 >> 6) | IBM_PASS_SOURCE_ADDR); 3413 3414 /* Stripped frame status of Transmitted Frame */ 3415 tsv->svv[1] = tx_fstatus & 0xff; 3416 3417 return (0); 3418} 3419 3420static int smctr_make_upstream_neighbor_addr(struct net_device *dev, 3421 MAC_SUB_VECTOR *tsv) 3422{ 3423 struct net_local *tp = netdev_priv(dev); 3424 3425 smctr_get_upstream_neighbor_addr(dev); 3426 3427 tsv->svi = UPSTREAM_NEIGHBOR_ADDRESS; 3428 tsv->svl = S_UPSTREAM_NEIGHBOR_ADDRESS; 3429 3430 tsv->svv[0] = MSB(tp->misc_command_data[0]); 3431 tsv->svv[1] = LSB(tp->misc_command_data[0]); 3432 3433 tsv->svv[2] = MSB(tp->misc_command_data[1]); 3434 tsv->svv[3] = LSB(tp->misc_command_data[1]); 3435 3436 tsv->svv[4] = MSB(tp->misc_command_data[2]); 3437 tsv->svv[5] = LSB(tp->misc_command_data[2]); 3438 3439 return (0); 3440} 3441 3442static int smctr_make_wrap_data(struct net_device *dev, MAC_SUB_VECTOR *tsv) 3443{ 3444 tsv->svi = WRAP_DATA; 3445 tsv->svl = S_WRAP_DATA; 3446 3447 return (0); 3448} 3449 3450/* 3451 * Open/initialize the board. This is called sometime after 3452 * booting when the 'ifconfig' program is run. 3453 * 3454 * This routine should set everything up anew at each open, even 3455 * registers that "should" only need to be set once at boot, so that 3456 * there is non-reboot way to recover if something goes wrong. 3457 */ 3458static int smctr_open(struct net_device *dev) 3459{ 3460 int err; 3461 3462 if(smctr_debug > 10) 3463 printk(KERN_DEBUG "%s: smctr_open\n", dev->name); 3464 3465 err = smctr_init_adapter(dev); 3466 if(err < 0) 3467 return (err); 3468 3469 return (err); 3470} 3471 3472/* Interrupt driven open of Token card. */ 3473static int smctr_open_tr(struct net_device *dev) 3474{ 3475 struct net_local *tp = netdev_priv(dev); 3476 unsigned long flags; 3477 int err; 3478 3479 if(smctr_debug > 10) 3480 printk(KERN_DEBUG "%s: smctr_open_tr\n", dev->name); 3481 3482 /* Now we can actually open the adapter. */ 3483 if(tp->status == OPEN) 3484 return (0); 3485 if(tp->status != INITIALIZED) 3486 return (-1); 3487 3488 /* FIXME: it would work a lot better if we masked the irq sources 3489 on the card here, then we could skip the locking and poll nicely */ 3490 spin_lock_irqsave(&tp->lock, flags); 3491 3492 smctr_set_page(dev, (__u8 *)tp->ram_access); 3493 3494 if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)MAC_QUEUE))) 3495 goto out; 3496 3497 if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)MAC_QUEUE))) 3498 goto out; 3499 3500 if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)NON_MAC_QUEUE))) 3501 goto out; 3502 3503 if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)NON_MAC_QUEUE))) 3504 goto out; 3505 3506 tp->status = CLOSED; 3507 3508 /* Insert into the Ring or Enter Loopback Mode. */ 3509 if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_1) 3510 { 3511 tp->status = CLOSED; 3512 3513 if(!(err = smctr_issue_trc_loopback_cmd(dev))) 3514 { 3515 if(!(err = smctr_wait_cmd(dev))) 3516 tp->status = OPEN; 3517 } 3518 3519 smctr_status_chg(dev); 3520 } 3521 else 3522 { 3523 if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_2) 3524 { 3525 tp->status = CLOSED; 3526 if(!(err = smctr_issue_tri_loopback_cmd(dev))) 3527 { 3528 if(!(err = smctr_wait_cmd(dev))) 3529 tp->status = OPEN; 3530 } 3531 3532 smctr_status_chg(dev); 3533 } 3534 else 3535 { 3536 if((tp->mode_bits & LOOPING_MODE_MASK) 3537 == LOOPBACK_MODE_3) 3538 { 3539 tp->status = CLOSED; 3540 if(!(err = smctr_lobe_media_test_cmd(dev))) 3541 { 3542 if(!(err = smctr_wait_cmd(dev))) 3543 tp->status = OPEN; 3544 } 3545 smctr_status_chg(dev); 3546 } 3547 else 3548 { 3549 if(!(err = smctr_lobe_media_test(dev))) 3550 err = smctr_issue_insert_cmd(dev); 3551 else 3552 { 3553 if(err == LOBE_MEDIA_TEST_FAILED) 3554 printk(KERN_WARNING "%s: Lobe Media Test Failure - Check cable?\n", dev->name); 3555 } 3556 } 3557 } 3558 } 3559 3560out: 3561 spin_unlock_irqrestore(&tp->lock, flags); 3562 3563 return (err); 3564} 3565 3566/* Check for a network adapter of this type, 3567 * and return device structure if one exists. 3568 */ 3569struct net_device __init *smctr_probe(int unit) 3570{ 3571 struct net_device *dev = alloc_trdev(sizeof(struct net_local)); 3572 static const unsigned ports[] = { 3573 0x200, 0x220, 0x240, 0x260, 0x280, 0x2A0, 0x2C0, 0x2E0, 0x300, 3574 0x320, 0x340, 0x360, 0x380, 0 3575 }; 3576 const unsigned *port; 3577 int err = 0; 3578 3579 if (!dev) 3580 return ERR_PTR(-ENOMEM); 3581 3582 if (unit >= 0) { 3583 sprintf(dev->name, "tr%d", unit); 3584 netdev_boot_setup_check(dev); 3585 } 3586 3587 if (dev->base_addr > 0x1ff) /* Check a single specified location. */ 3588 err = smctr_probe1(dev, dev->base_addr); 3589 else if(dev->base_addr != 0) /* Don't probe at all. */ 3590 err =-ENXIO; 3591 else { 3592 for (port = ports; *port; port++) { 3593 err = smctr_probe1(dev, *port); 3594 if (!err) 3595 break; 3596 } 3597 } 3598 if (err) 3599 goto out; 3600 err = register_netdev(dev); 3601 if (err) 3602 goto out1; 3603 return dev; 3604out1: 3605#ifdef CONFIG_MCA_LEGACY 3606 { struct net_local *tp = netdev_priv(dev); 3607 if (tp->slot_num) 3608 mca_mark_as_unused(tp->slot_num); 3609 } 3610#endif 3611 release_region(dev->base_addr, SMCTR_IO_EXTENT); 3612 free_irq(dev->irq, dev); 3613out: 3614 free_netdev(dev); 3615 return ERR_PTR(err); 3616} 3617 3618static const struct net_device_ops smctr_netdev_ops = { 3619 .ndo_open = smctr_open, 3620 .ndo_stop = smctr_close, 3621 .ndo_start_xmit = smctr_send_packet, 3622 .ndo_tx_timeout = smctr_timeout, 3623 .ndo_get_stats = smctr_get_stats, 3624 .ndo_set_multicast_list = smctr_set_multicast_list, 3625}; 3626 3627static int __init smctr_probe1(struct net_device *dev, int ioaddr) 3628{ 3629 static unsigned version_printed; 3630 struct net_local *tp = netdev_priv(dev); 3631 int err; 3632 __u32 *ram; 3633 3634 if(smctr_debug && version_printed++ == 0) 3635 printk(version); 3636 3637 spin_lock_init(&tp->lock); 3638 dev->base_addr = ioaddr; 3639 3640 /* Actually detect an adapter now. */ 3641 err = smctr_chk_isa(dev); 3642 if(err < 0) 3643 { 3644 if ((err = smctr_chk_mca(dev)) < 0) { 3645 err = -ENODEV; 3646 goto out; 3647 } 3648 } 3649 3650 tp = netdev_priv(dev); 3651 dev->mem_start = tp->ram_base; 3652 dev->mem_end = dev->mem_start + 0x10000; 3653 ram = (__u32 *)phys_to_virt(dev->mem_start); 3654 tp->ram_access = *(__u32 *)&ram; 3655 tp->status = NOT_INITIALIZED; 3656 3657 err = smctr_load_firmware(dev); 3658 if(err != UCODE_PRESENT && err != SUCCESS) 3659 { 3660 printk(KERN_ERR "%s: Firmware load failed (%d)\n", dev->name, err); 3661 err = -EIO; 3662 goto out; 3663 } 3664 3665 /* Allow user to specify ring speed on module insert. */ 3666 if(ringspeed == 4) 3667 tp->media_type = MEDIA_UTP_4; 3668 else 3669 tp->media_type = MEDIA_UTP_16; 3670 3671 printk(KERN_INFO "%s: %s %s at Io %#4x, Irq %d, Rom %#4x, Ram %#4x.\n", 3672 dev->name, smctr_name, smctr_model, 3673 (unsigned int)dev->base_addr, 3674 dev->irq, tp->rom_base, tp->ram_base); 3675 3676 dev->netdev_ops = &smctr_netdev_ops; 3677 dev->watchdog_timeo = HZ; 3678 return (0); 3679 3680out: 3681 return err; 3682} 3683 3684static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size, 3685 struct net_device *dev, __u16 rx_status) 3686{ 3687 struct net_local *tp = netdev_priv(dev); 3688 struct sk_buff *skb; 3689 __u16 rcode, correlator; 3690 int err = 0; 3691 __u8 xframe = 1; 3692 3693 rmf->vl = SWAP_BYTES(rmf->vl); 3694 if(rx_status & FCB_RX_STATUS_DA_MATCHED) 3695 { 3696 switch(rmf->vc) 3697 { 3698 /* Received MAC Frames Processed by RS. */ 3699 case INIT: 3700 if((rcode = smctr_rcv_init(dev, rmf, &correlator)) == HARDWARE_FAILED) 3701 { 3702 return (rcode); 3703 } 3704 3705 if((err = smctr_send_rsp(dev, rmf, rcode, 3706 correlator))) 3707 { 3708 return (err); 3709 } 3710 break; 3711 3712 case CHG_PARM: 3713 if((rcode = smctr_rcv_chg_param(dev, rmf, 3714 &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 RQ_ADDR: 3727 if((rcode = smctr_rcv_rq_addr_state_attch(dev, 3728 rmf, &correlator)) != POSITIVE_ACK) 3729 { 3730 if(rcode == HARDWARE_FAILED) 3731 return (rcode); 3732 else 3733 return (smctr_send_rsp(dev, rmf, 3734 rcode, correlator)); 3735 } 3736 3737 if((err = smctr_send_rpt_addr(dev, rmf, 3738 correlator))) 3739 { 3740 return (err); 3741 } 3742 break; 3743 3744 case RQ_ATTCH: 3745 if((rcode = smctr_rcv_rq_addr_state_attch(dev, 3746 rmf, &correlator)) != POSITIVE_ACK) 3747 { 3748 if(rcode == HARDWARE_FAILED) 3749 return (rcode); 3750 else 3751 return (smctr_send_rsp(dev, rmf, 3752 rcode, 3753 correlator)); 3754 } 3755 3756 if((err = smctr_send_rpt_attch(dev, rmf, 3757 correlator))) 3758 { 3759 return (err); 3760 } 3761 break; 3762 3763 case RQ_STATE: 3764 if((rcode = smctr_rcv_rq_addr_state_attch(dev, 3765 rmf, &correlator)) != POSITIVE_ACK) 3766 { 3767 if(rcode == HARDWARE_FAILED) 3768 return (rcode); 3769 else 3770 return (smctr_send_rsp(dev, rmf, 3771 rcode, 3772 correlator)); 3773 } 3774 3775 if((err = smctr_send_rpt_state(dev, rmf, 3776 correlator))) 3777 { 3778 return (err); 3779 } 3780 break; 3781 3782 case TX_FORWARD: { 3783 __u16 uninitialized_var(tx_fstatus); 3784 3785 if((rcode = smctr_rcv_tx_forward(dev, rmf)) 3786 != POSITIVE_ACK) 3787 { 3788 if(rcode == HARDWARE_FAILED) 3789 return (rcode); 3790 else 3791 return (smctr_send_rsp(dev, rmf, 3792 rcode, 3793 correlator)); 3794 } 3795 3796 if((err = smctr_send_tx_forward(dev, rmf, 3797 &tx_fstatus)) == HARDWARE_FAILED) 3798 { 3799 return (err); 3800 } 3801 3802 if(err == A_FRAME_WAS_FORWARDED) 3803 { 3804 if((err = smctr_send_rpt_tx_forward(dev, 3805 rmf, tx_fstatus)) 3806 == HARDWARE_FAILED) 3807 { 3808 return (err); 3809 } 3810 } 3811 break; 3812 } 3813 3814 /* Received MAC Frames Processed by CRS/REM/RPS. */ 3815 case RSP: 3816 case RQ_INIT: 3817 case RPT_NEW_MON: 3818 case RPT_SUA_CHG: 3819 case RPT_ACTIVE_ERR: 3820 case RPT_NN_INCMP: 3821 case RPT_ERROR: 3822 case RPT_ATTCH: 3823 case RPT_STATE: 3824 case RPT_ADDR: 3825 break; 3826 3827 /* Rcvd Att. MAC Frame (if RXATMAC set) or UNKNOWN */ 3828 default: 3829 xframe = 0; 3830 if(!(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES)) 3831 { 3832 rcode = smctr_rcv_unknown(dev, rmf, 3833 &correlator); 3834 if((err = smctr_send_rsp(dev, rmf,rcode, 3835 correlator))) 3836 { 3837 return (err); 3838 } 3839 } 3840 3841 break; 3842 } 3843 } 3844 else 3845 { 3846 /* 1. DA doesn't match (Promiscuous Mode). 3847 * 2. Parse for Extended MAC Frame Type. 3848 */ 3849 switch(rmf->vc) 3850 { 3851 case RSP: 3852 case INIT: 3853 case RQ_INIT: 3854 case RQ_ADDR: 3855 case RQ_ATTCH: 3856 case RQ_STATE: 3857 case CHG_PARM: 3858 case RPT_ADDR: 3859 case RPT_ERROR: 3860 case RPT_ATTCH: 3861 case RPT_STATE: 3862 case RPT_NEW_MON: 3863 case RPT_SUA_CHG: 3864 case RPT_NN_INCMP: 3865 case RPT_ACTIVE_ERR: 3866 break; 3867 3868 default: 3869 xframe = 0; 3870 break; 3871 } 3872 } 3873 3874 /* NOTE: UNKNOWN MAC frames will NOT be passed up unless 3875 * ACCEPT_ATT_MAC_FRAMES is set. 3876 */ 3877 if(((tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) && 3878 (xframe == (__u8)0)) || 3879 ((tp->receive_mask & ACCEPT_EXT_MAC_FRAMES) && 3880 (xframe == (__u8)1))) 3881 { 3882 rmf->vl = SWAP_BYTES(rmf->vl); 3883 3884 if (!(skb = dev_alloc_skb(size))) 3885 return -ENOMEM; 3886 skb->len = size; 3887 3888 /* Slide data into a sleek skb. */ 3889 skb_put(skb, skb->len); 3890 skb_copy_to_linear_data(skb, rmf, skb->len); 3891 3892 /* Update Counters */ 3893 tp->MacStat.rx_packets++; 3894 tp->MacStat.rx_bytes += skb->len; 3895 3896 /* Kick the packet on up. */ 3897 skb->protocol = tr_type_trans(skb, dev); 3898 netif_rx(skb); 3899 err = 0; 3900 } 3901 3902 return (err); 3903} 3904 3905/* Adapter RAM test. Incremental word ODD boundary data test. */ 3906static int smctr_ram_memory_test(struct net_device *dev) 3907{ 3908 struct net_local *tp = netdev_priv(dev); 3909 __u16 page, pages_of_ram, start_pattern = 0, word_pattern = 0, 3910 word_read = 0, err_word = 0, err_pattern = 0; 3911 unsigned int err_offset; 3912 __u32 j, pword; 3913 __u8 err = 0; 3914 3915 if(smctr_debug > 10) 3916 printk(KERN_DEBUG "%s: smctr_ram_memory_test\n", dev->name); 3917 3918 start_pattern = 0x0001; 3919 pages_of_ram = tp->ram_size / tp->ram_usable; 3920 pword = tp->ram_access; 3921 3922 /* Incremental word ODD boundary test. */ 3923 for(page = 0; (page < pages_of_ram) && (~err); 3924 page++, start_pattern += 0x8000) 3925 { 3926 smctr_set_page(dev, (__u8 *)(tp->ram_access 3927 + (page * tp->ram_usable * 1024) + 1)); 3928 word_pattern = start_pattern; 3929 3930 for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1; j += 2) 3931 *(__u16 *)(pword + j) = word_pattern++; 3932 3933 word_pattern = start_pattern; 3934 3935 for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1 && (~err); 3936 j += 2, word_pattern++) 3937 { 3938 word_read = *(__u16 *)(pword + j); 3939 if(word_read != word_pattern) 3940 { 3941 err = (__u8)1; 3942 err_offset = j; 3943 err_word = word_read; 3944 err_pattern = word_pattern; 3945 return (RAM_TEST_FAILED); 3946 } 3947 } 3948 } 3949 3950 /* Zero out memory. */ 3951 for(page = 0; page < pages_of_ram && (~err); page++) 3952 { 3953 smctr_set_page(dev, (__u8 *)(tp->ram_access 3954 + (page * tp->ram_usable * 1024))); 3955 word_pattern = 0; 3956 3957 for(j = 0; j < (__u32)tp->ram_usable * 1024; j +=2) 3958 *(__u16 *)(pword + j) = word_pattern; 3959 3960 for(j =0; j < (__u32)tp->ram_usable * 1024 && (~err); j += 2) 3961 { 3962 word_read = *(__u16 *)(pword + j); 3963 if(word_read != word_pattern) 3964 { 3965 err = (__u8)1; 3966 err_offset = j; 3967 err_word = word_read; 3968 err_pattern = word_pattern; 3969 return (RAM_TEST_FAILED); 3970 } 3971 } 3972 } 3973 3974 smctr_set_page(dev, (__u8 *)tp->ram_access); 3975 3976 return (0); 3977} 3978 3979static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf, 3980 __u16 *correlator) 3981{ 3982 MAC_SUB_VECTOR *rsv; 3983 signed short vlen; 3984 __u16 rcode = POSITIVE_ACK; 3985 unsigned int svectors = F_NO_SUB_VECTORS_FOUND; 3986 3987 /* This Frame can only come from a CRS */ 3988 if((rmf->dc_sc & SC_MASK) != SC_CRS) 3989 return(E_INAPPROPRIATE_SOURCE_CLASS); 3990 3991 /* Remove MVID Length from total length. */ 3992 vlen = (signed short)rmf->vl - 4; 3993 3994 /* Point to First SVID */ 3995 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 3996 3997 /* Search for Appropriate SVID's. */ 3998 while((vlen > 0) && (rcode == POSITIVE_ACK)) 3999 { 4000 switch(rsv->svi) 4001 { 4002 case CORRELATOR: 4003 svectors |= F_CORRELATOR; 4004 rcode = smctr_set_corr(dev, rsv, correlator); 4005 break; 4006 4007 case LOCAL_RING_NUMBER: 4008 svectors |= F_LOCAL_RING_NUMBER; 4009 rcode = smctr_set_local_ring_num(dev, rsv); 4010 break; 4011 4012 case ASSIGN_PHYSICAL_DROP: 4013 svectors |= F_ASSIGN_PHYSICAL_DROP; 4014 rcode = smctr_set_phy_drop(dev, rsv); 4015 break; 4016 4017 case ERROR_TIMER_VALUE: 4018 svectors |= F_ERROR_TIMER_VALUE; 4019 rcode = smctr_set_error_timer_value(dev, rsv); 4020 break; 4021 4022 case AUTHORIZED_FUNCTION_CLASS: 4023 svectors |= F_AUTHORIZED_FUNCTION_CLASS; 4024 rcode = smctr_set_auth_funct_class(dev, rsv); 4025 break; 4026 4027 case AUTHORIZED_ACCESS_PRIORITY: 4028 svectors |= F_AUTHORIZED_ACCESS_PRIORITY; 4029 rcode = smctr_set_auth_access_pri(dev, rsv); 4030 break; 4031 4032 default: 4033 rcode = E_SUB_VECTOR_UNKNOWN; 4034 break; 4035 } 4036 4037 /* Let Sender Know if SUM of SV length's is 4038 * larger then length in MVID length field 4039 */ 4040 if((vlen -= rsv->svl) < 0) 4041 rcode = E_VECTOR_LENGTH_ERROR; 4042 4043 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4044 } 4045 4046 if(rcode == POSITIVE_ACK) 4047 { 4048 /* Let Sender Know if MVID length field 4049 * is larger then SUM of SV length's 4050 */ 4051 if(vlen != 0) 4052 rcode = E_VECTOR_LENGTH_ERROR; 4053 else 4054 { 4055 /* Let Sender Know if Expected SVID Missing */ 4056 if((svectors & R_CHG_PARM) ^ R_CHG_PARM) 4057 rcode = E_MISSING_SUB_VECTOR; 4058 } 4059 } 4060 4061 return (rcode); 4062} 4063 4064static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf, 4065 __u16 *correlator) 4066{ 4067 MAC_SUB_VECTOR *rsv; 4068 signed short vlen; 4069 __u16 rcode = POSITIVE_ACK; 4070 unsigned int svectors = F_NO_SUB_VECTORS_FOUND; 4071 4072 /* This Frame can only come from a RPS */ 4073 if((rmf->dc_sc & SC_MASK) != SC_RPS) 4074 return (E_INAPPROPRIATE_SOURCE_CLASS); 4075 4076 /* Remove MVID Length from total length. */ 4077 vlen = (signed short)rmf->vl - 4; 4078 4079 /* Point to First SVID */ 4080 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4081 4082 /* Search for Appropriate SVID's */ 4083 while((vlen > 0) && (rcode == POSITIVE_ACK)) 4084 { 4085 switch(rsv->svi) 4086 { 4087 case CORRELATOR: 4088 svectors |= F_CORRELATOR; 4089 rcode = smctr_set_corr(dev, rsv, correlator); 4090 break; 4091 4092 case LOCAL_RING_NUMBER: 4093 svectors |= F_LOCAL_RING_NUMBER; 4094 rcode = smctr_set_local_ring_num(dev, rsv); 4095 break; 4096 4097 case ASSIGN_PHYSICAL_DROP: 4098 svectors |= F_ASSIGN_PHYSICAL_DROP; 4099 rcode = smctr_set_phy_drop(dev, rsv); 4100 break; 4101 4102 case ERROR_TIMER_VALUE: 4103 svectors |= F_ERROR_TIMER_VALUE; 4104 rcode = smctr_set_error_timer_value(dev, rsv); 4105 break; 4106 4107 default: 4108 rcode = E_SUB_VECTOR_UNKNOWN; 4109 break; 4110 } 4111 4112 /* Let Sender Know if SUM of SV length's is 4113 * larger then length in MVID length field 4114 */ 4115 if((vlen -= rsv->svl) < 0) 4116 rcode = E_VECTOR_LENGTH_ERROR; 4117 4118 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4119 } 4120 4121 if(rcode == POSITIVE_ACK) 4122 { 4123 /* Let Sender Know if MVID length field 4124 * is larger then SUM of SV length's 4125 */ 4126 if(vlen != 0) 4127 rcode = E_VECTOR_LENGTH_ERROR; 4128 else 4129 { 4130 /* Let Sender Know if Expected SV Missing */ 4131 if((svectors & R_INIT) ^ R_INIT) 4132 rcode = E_MISSING_SUB_VECTOR; 4133 } 4134 } 4135 4136 return (rcode); 4137} 4138 4139static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf) 4140{ 4141 MAC_SUB_VECTOR *rsv; 4142 signed short vlen; 4143 __u16 rcode = POSITIVE_ACK; 4144 unsigned int svectors = F_NO_SUB_VECTORS_FOUND; 4145 4146 /* This Frame can only come from a CRS */ 4147 if((rmf->dc_sc & SC_MASK) != SC_CRS) 4148 return (E_INAPPROPRIATE_SOURCE_CLASS); 4149 4150 /* Remove MVID Length from total length */ 4151 vlen = (signed short)rmf->vl - 4; 4152 4153 /* Point to First SVID */ 4154 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4155 4156 /* Search for Appropriate SVID's */ 4157 while((vlen > 0) && (rcode == POSITIVE_ACK)) 4158 { 4159 switch(rsv->svi) 4160 { 4161 case FRAME_FORWARD: 4162 svectors |= F_FRAME_FORWARD; 4163 rcode = smctr_set_frame_forward(dev, rsv, 4164 rmf->dc_sc); 4165 break; 4166 4167 default: 4168 rcode = E_SUB_VECTOR_UNKNOWN; 4169 break; 4170 } 4171 4172 /* Let Sender Know if SUM of SV length's is 4173 * larger then length in MVID length field 4174 */ 4175 if((vlen -= rsv->svl) < 0) 4176 rcode = E_VECTOR_LENGTH_ERROR; 4177 4178 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4179 } 4180 4181 if(rcode == POSITIVE_ACK) 4182 { 4183 /* Let Sender Know if MVID length field 4184 * is larger then SUM of SV length's 4185 */ 4186 if(vlen != 0) 4187 rcode = E_VECTOR_LENGTH_ERROR; 4188 else 4189 { 4190 /* Let Sender Know if Expected SV Missing */ 4191 if((svectors & R_TX_FORWARD) ^ R_TX_FORWARD) 4192 rcode = E_MISSING_SUB_VECTOR; 4193 } 4194 } 4195 4196 return (rcode); 4197} 4198 4199static int smctr_rcv_rq_addr_state_attch(struct net_device *dev, 4200 MAC_HEADER *rmf, __u16 *correlator) 4201{ 4202 MAC_SUB_VECTOR *rsv; 4203 signed short vlen; 4204 __u16 rcode = POSITIVE_ACK; 4205 unsigned int svectors = F_NO_SUB_VECTORS_FOUND; 4206 4207 /* Remove MVID Length from total length */ 4208 vlen = (signed short)rmf->vl - 4; 4209 4210 /* Point to First SVID */ 4211 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4212 4213 /* Search for Appropriate SVID's */ 4214 while((vlen > 0) && (rcode == POSITIVE_ACK)) 4215 { 4216 switch(rsv->svi) 4217 { 4218 case CORRELATOR: 4219 svectors |= F_CORRELATOR; 4220 rcode = smctr_set_corr(dev, rsv, correlator); 4221 break; 4222 4223 default: 4224 rcode = E_SUB_VECTOR_UNKNOWN; 4225 break; 4226 } 4227 4228 /* Let Sender Know if SUM of SV length's is 4229 * larger then length in MVID length field 4230 */ 4231 if((vlen -= rsv->svl) < 0) 4232 rcode = E_VECTOR_LENGTH_ERROR; 4233 4234 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4235 } 4236 4237 if(rcode == POSITIVE_ACK) 4238 { 4239 /* Let Sender Know if MVID length field 4240 * is larger then SUM of SV length's 4241 */ 4242 if(vlen != 0) 4243 rcode = E_VECTOR_LENGTH_ERROR; 4244 else 4245 { 4246 /* Let Sender Know if Expected SVID Missing */ 4247 if((svectors & R_RQ_ATTCH_STATE_ADDR) 4248 ^ R_RQ_ATTCH_STATE_ADDR) 4249 rcode = E_MISSING_SUB_VECTOR; 4250 } 4251 } 4252 4253 return (rcode); 4254} 4255 4256static int smctr_rcv_unknown(struct net_device *dev, MAC_HEADER *rmf, 4257 __u16 *correlator) 4258{ 4259 MAC_SUB_VECTOR *rsv; 4260 signed short vlen; 4261 4262 *correlator = 0; 4263 4264 /* Remove MVID Length from total length */ 4265 vlen = (signed short)rmf->vl - 4; 4266 4267 /* Point to First SVID */ 4268 rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); 4269 4270 /* Search for CORRELATOR for RSP to UNKNOWN */ 4271 while((vlen > 0) && (*correlator == 0)) 4272 { 4273 switch(rsv->svi) 4274 { 4275 case CORRELATOR: 4276 smctr_set_corr(dev, rsv, correlator); 4277 break; 4278 4279 default: 4280 break; 4281 } 4282 4283 vlen -= rsv->svl; 4284 rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); 4285 } 4286 4287 return (E_UNRECOGNIZED_VECTOR_ID); 4288} 4289 4290/* 4291 * Reset the 825 NIC and exit w: 4292 * 1. The NIC reset cleared (non-reset state), halted and un-initialized. 4293 * 2. TINT masked. 4294 * 3. CBUSY masked. 4295 * 4. TINT clear. 4296 * 5. CBUSY clear. 4297 */ 4298static int smctr_reset_adapter(struct net_device *dev) 4299{ 4300 struct net_local *tp = netdev_priv(dev); 4301 int ioaddr = dev->base_addr; 4302 4303 /* Reseting the NIC will put it in a halted and un-initialized state. */ smctr_set_trc_reset(ioaddr); 4304 mdelay(200); /* ~2 ms */ 4305 4306 smctr_clear_trc_reset(ioaddr); 4307 mdelay(200); /* ~2 ms */ 4308 4309 /* Remove any latched interrupts that occurred prior to reseting the 4310 * adapter or possibily caused by line glitches due to the reset. 4311 */ 4312 outb(tp->trc_mask | CSR_CLRTINT | CSR_CLRCBUSY, ioaddr + CSR); 4313 4314 return (0); 4315} 4316 4317static int smctr_restart_tx_chain(struct net_device *dev, short queue) 4318{ 4319 struct net_local *tp = netdev_priv(dev); 4320 int err = 0; 4321 4322 if(smctr_debug > 10) 4323 printk(KERN_DEBUG "%s: smctr_restart_tx_chain\n", dev->name); 4324 4325 if(tp->num_tx_fcbs_used[queue] != 0 && 4326 tp->tx_queue_status[queue] == NOT_TRANSMITING) 4327 { 4328 tp->tx_queue_status[queue] = TRANSMITING; 4329 err = smctr_issue_resume_tx_fcb_cmd(dev, queue); 4330 } 4331 4332 return (err); 4333} 4334 4335static int smctr_ring_status_chg(struct net_device *dev) 4336{ 4337 struct net_local *tp = netdev_priv(dev); 4338 4339 if(smctr_debug > 10) 4340 printk(KERN_DEBUG "%s: smctr_ring_status_chg\n", dev->name); 4341 4342 /* Check for ring_status_flag: whenever MONITOR_STATE_BIT 4343 * Bit is set, check value of monitor_state, only then we 4344 * enable and start transmit/receive timeout (if and only 4345 * if it is MS_ACTIVE_MONITOR_STATE or MS_STANDBY_MONITOR_STATE) 4346 */ 4347 if(tp->ring_status_flags == MONITOR_STATE_CHANGED) 4348 { 4349 if((tp->monitor_state == MS_ACTIVE_MONITOR_STATE) || 4350 (tp->monitor_state == MS_STANDBY_MONITOR_STATE)) 4351 { 4352 tp->monitor_state_ready = 1; 4353 } 4354 else 4355 { 4356 /* if adapter is NOT in either active monitor 4357 * or standby monitor state => Disable 4358 * transmit/receive timeout. 4359 */ 4360 tp->monitor_state_ready = 0; 4361 4362 /* Ring speed problem, switching to auto mode. */ 4363 if(tp->monitor_state == MS_MONITOR_FSM_INACTIVE && 4364 !tp->cleanup) 4365 { 4366 printk(KERN_INFO "%s: Incorrect ring speed switching.\n", 4367 dev->name); 4368 smctr_set_ring_speed(dev); 4369 } 4370 } 4371 } 4372 4373 if(!(tp->ring_status_flags & RING_STATUS_CHANGED)) 4374 return (0); 4375 4376 switch(tp->ring_status) 4377 { 4378 case RING_RECOVERY: 4379 printk(KERN_INFO "%s: Ring Recovery\n", dev->name); 4380 break; 4381 4382 case SINGLE_STATION: 4383 printk(KERN_INFO "%s: Single Statinon\n", dev->name); 4384 break; 4385 4386 case COUNTER_OVERFLOW: 4387 printk(KERN_INFO "%s: Counter Overflow\n", dev->name); 4388 break; 4389 4390 case REMOVE_RECEIVED: 4391 printk(KERN_INFO "%s: Remove Received\n", dev->name); 4392 break; 4393 4394 case AUTO_REMOVAL_ERROR: 4395 printk(KERN_INFO "%s: Auto Remove Error\n", dev->name); 4396 break; 4397 4398 case LOBE_WIRE_FAULT: 4399 printk(KERN_INFO "%s: Lobe Wire Fault\n", dev->name); 4400 break; 4401 4402 case TRANSMIT_BEACON: 4403 printk(KERN_INFO "%s: Transmit Beacon\n", dev->name); 4404 break; 4405 4406 case SOFT_ERROR: 4407 printk(KERN_INFO "%s: Soft Error\n", dev->name); 4408 break; 4409 4410 case HARD_ERROR: 4411 printk(KERN_INFO "%s: Hard Error\n", dev->name); 4412 break; 4413 4414 case SIGNAL_LOSS: 4415 printk(KERN_INFO "%s: Signal Loss\n", dev->name); 4416 break; 4417 4418 default: 4419 printk(KERN_INFO "%s: Unknown ring status change\n", 4420 dev->name); 4421 break; 4422 } 4423 4424 return (0); 4425} 4426 4427static int smctr_rx_frame(struct net_device *dev) 4428{ 4429 struct net_local *tp = netdev_priv(dev); 4430 __u16 queue, status, rx_size, err = 0; 4431 __u8 *pbuff; 4432 4433 if(smctr_debug > 10) 4434 printk(KERN_DEBUG "%s: smctr_rx_frame\n", dev->name); 4435 4436 queue = tp->receive_queue_number; 4437 4438 while((status = tp->rx_fcb_curr[queue]->frame_status) != SUCCESS) 4439 { 4440 err = HARDWARE_FAILED; 4441 4442 if(((status & 0x007f) == 0) || 4443 ((tp->receive_mask & ACCEPT_ERR_PACKETS) != 0)) 4444 { 4445 /* frame length less the CRC (4 bytes) + FS (1 byte) */ 4446 rx_size = tp->rx_fcb_curr[queue]->frame_length - 5; 4447 4448 pbuff = smctr_get_rx_pointer(dev, queue); 4449 4450 smctr_set_page(dev, pbuff); 4451 smctr_disable_16bit(dev); 4452 4453 /* pbuff points to addr within one page */ 4454 pbuff = (__u8 *)PAGE_POINTER(pbuff); 4455 4456 if(queue == NON_MAC_QUEUE) 4457 { 4458 struct sk_buff *skb; 4459 4460 skb = dev_alloc_skb(rx_size); 4461 if (skb) { 4462 skb_put(skb, rx_size); 4463 4464 skb_copy_to_linear_data(skb, pbuff, rx_size); 4465 4466 /* Update Counters */ 4467 tp->MacStat.rx_packets++; 4468 tp->MacStat.rx_bytes += skb->len; 4469 4470 /* Kick the packet on up. */ 4471 skb->protocol = tr_type_trans(skb, dev); 4472 netif_rx(skb); 4473 } else { 4474 } 4475 } 4476 else 4477 smctr_process_rx_packet((MAC_HEADER *)pbuff, 4478 rx_size, dev, status); 4479 } 4480 4481 smctr_enable_16bit(dev); 4482 smctr_set_page(dev, (__u8 *)tp->ram_access); 4483 smctr_update_rx_chain(dev, queue); 4484 4485 if(err != SUCCESS) 4486 break; 4487 } 4488 4489 return (err); 4490} 4491 4492static int smctr_send_dat(struct net_device *dev) 4493{ 4494 struct net_local *tp = netdev_priv(dev); 4495 unsigned int i, err; 4496 MAC_HEADER *tmf; 4497 FCBlock *fcb; 4498 4499 if(smctr_debug > 10) 4500 printk(KERN_DEBUG "%s: smctr_send_dat\n", dev->name); 4501 4502 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, 4503 sizeof(MAC_HEADER))) == (FCBlock *)(-1L)) 4504 { 4505 return (OUT_OF_RESOURCES); 4506 } 4507 4508 /* Initialize DAT Data Fields. */ 4509 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4510 tmf->ac = MSB(AC_FC_DAT); 4511 tmf->fc = LSB(AC_FC_DAT); 4512 4513 for(i = 0; i < 6; i++) 4514 { 4515 tmf->sa[i] = dev->dev_addr[i]; 4516 tmf->da[i] = dev->dev_addr[i]; 4517 4518 } 4519 4520 tmf->vc = DAT; 4521 tmf->dc_sc = DC_RS | SC_RS; 4522 tmf->vl = 4; 4523 tmf->vl = SWAP_BYTES(tmf->vl); 4524 4525 /* Start Transmit. */ 4526 if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) 4527 return (err); 4528 4529 /* Wait for Transmit to Complete */ 4530 for(i = 0; i < 10000; i++) 4531 { 4532 if(fcb->frame_status & FCB_COMMAND_DONE) 4533 break; 4534 mdelay(1); 4535 } 4536 4537 /* Check if GOOD frame Tx'ed. */ 4538 if(!(fcb->frame_status & FCB_COMMAND_DONE) || 4539 fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS)) 4540 { 4541 return (INITIALIZE_FAILED); 4542 } 4543 4544 /* De-allocated Tx FCB and Frame Buffer 4545 * The FCB must be de-allocated manually if executing with 4546 * interrupts disabled, other wise the ISR (LM_Service_Events) 4547 * will de-allocate it when the interrupt occurs. 4548 */ 4549 tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; 4550 smctr_update_tx_chain(dev, fcb, MAC_QUEUE); 4551 4552 return (0); 4553} 4554 4555static void smctr_timeout(struct net_device *dev) 4556{ 4557 /* 4558 * If we get here, some higher level has decided we are broken. 4559 * There should really be a "kick me" function call instead. 4560 * 4561 * Resetting the token ring adapter takes a long time so just 4562 * fake transmission time and go on trying. Our own timeout 4563 * routine is in sktr_timer_chk() 4564 */ 4565 dev->trans_start = jiffies; /* prevent tx timeout */ 4566 netif_wake_queue(dev); 4567} 4568 4569/* 4570 * Gets skb from system, queues it and checks if it can be sent 4571 */ 4572static netdev_tx_t smctr_send_packet(struct sk_buff *skb, 4573 struct net_device *dev) 4574{ 4575 struct net_local *tp = netdev_priv(dev); 4576 4577 if(smctr_debug > 10) 4578 printk(KERN_DEBUG "%s: smctr_send_packet\n", dev->name); 4579 4580 /* 4581 * Block a transmit overlap 4582 */ 4583 4584 netif_stop_queue(dev); 4585 4586 if(tp->QueueSkb == 0) 4587 return NETDEV_TX_BUSY; /* Return with tbusy set: queue full */ 4588 4589 tp->QueueSkb--; 4590 skb_queue_tail(&tp->SendSkbQueue, skb); 4591 smctr_hardware_send_packet(dev, tp); 4592 if(tp->QueueSkb > 0) 4593 netif_wake_queue(dev); 4594 4595 return NETDEV_TX_OK; 4596} 4597 4598static int smctr_send_lobe_media_test(struct net_device *dev) 4599{ 4600 struct net_local *tp = netdev_priv(dev); 4601 MAC_SUB_VECTOR *tsv; 4602 MAC_HEADER *tmf; 4603 FCBlock *fcb; 4604 __u32 i; 4605 int err; 4606 4607 if(smctr_debug > 15) 4608 printk(KERN_DEBUG "%s: smctr_send_lobe_media_test\n", dev->name); 4609 4610 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(struct trh_hdr) 4611 + S_WRAP_DATA + S_WRAP_DATA)) == (FCBlock *)(-1L)) 4612 { 4613 return (OUT_OF_RESOURCES); 4614 } 4615 4616 /* Initialize DAT Data Fields. */ 4617 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4618 tmf->ac = MSB(AC_FC_LOBE_MEDIA_TEST); 4619 tmf->fc = LSB(AC_FC_LOBE_MEDIA_TEST); 4620 4621 for(i = 0; i < 6; i++) 4622 { 4623 tmf->da[i] = 0; 4624 tmf->sa[i] = dev->dev_addr[i]; 4625 } 4626 4627 tmf->vc = LOBE_MEDIA_TEST; 4628 tmf->dc_sc = DC_RS | SC_RS; 4629 tmf->vl = 4; 4630 4631 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4632 smctr_make_wrap_data(dev, tsv); 4633 tmf->vl += tsv->svl; 4634 4635 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4636 smctr_make_wrap_data(dev, tsv); 4637 tmf->vl += tsv->svl; 4638 4639 /* Start Transmit. */ 4640 tmf->vl = SWAP_BYTES(tmf->vl); 4641 if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) 4642 return (err); 4643 4644 /* Wait for Transmit to Complete. (10 ms). */ 4645 for(i=0; i < 10000; i++) 4646 { 4647 if(fcb->frame_status & FCB_COMMAND_DONE) 4648 break; 4649 mdelay(1); 4650 } 4651 4652 /* Check if GOOD frame Tx'ed */ 4653 if(!(fcb->frame_status & FCB_COMMAND_DONE) || 4654 fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS)) 4655 { 4656 return (LOBE_MEDIA_TEST_FAILED); 4657 } 4658 4659 /* De-allocated Tx FCB and Frame Buffer 4660 * The FCB must be de-allocated manually if executing with 4661 * interrupts disabled, other wise the ISR (LM_Service_Events) 4662 * will de-allocate it when the interrupt occurs. 4663 */ 4664 tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; 4665 smctr_update_tx_chain(dev, fcb, MAC_QUEUE); 4666 4667 return (0); 4668} 4669 4670static int smctr_send_rpt_addr(struct net_device *dev, MAC_HEADER *rmf, 4671 __u16 correlator) 4672{ 4673 MAC_HEADER *tmf; 4674 MAC_SUB_VECTOR *tsv; 4675 FCBlock *fcb; 4676 4677 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4678 + S_CORRELATOR + S_PHYSICAL_DROP + S_UPSTREAM_NEIGHBOR_ADDRESS 4679 + S_ADDRESS_MODIFER + S_GROUP_ADDRESS + S_FUNCTIONAL_ADDRESS)) 4680 == (FCBlock *)(-1L)) 4681 { 4682 return (0); 4683 } 4684 4685 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4686 tmf->vc = RPT_ADDR; 4687 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4688 tmf->vl = 4; 4689 4690 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_ADDR); 4691 4692 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4693 smctr_make_corr(dev, tsv, correlator); 4694 4695 tmf->vl += tsv->svl; 4696 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4697 smctr_make_phy_drop_num(dev, tsv); 4698 4699 tmf->vl += tsv->svl; 4700 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4701 smctr_make_upstream_neighbor_addr(dev, tsv); 4702 4703 tmf->vl += tsv->svl; 4704 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4705 smctr_make_addr_mod(dev, tsv); 4706 4707 tmf->vl += tsv->svl; 4708 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4709 smctr_make_group_addr(dev, tsv); 4710 4711 tmf->vl += tsv->svl; 4712 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4713 smctr_make_funct_addr(dev, tsv); 4714 4715 tmf->vl += tsv->svl; 4716 4717 /* Subtract out MVID and MVL which is 4718 * include in both vl and MAC_HEADER 4719 */ 4720/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4721 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4722*/ 4723 tmf->vl = SWAP_BYTES(tmf->vl); 4724 4725 return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); 4726} 4727 4728static int smctr_send_rpt_attch(struct net_device *dev, MAC_HEADER *rmf, 4729 __u16 correlator) 4730{ 4731 MAC_HEADER *tmf; 4732 MAC_SUB_VECTOR *tsv; 4733 FCBlock *fcb; 4734 4735 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4736 + S_CORRELATOR + S_PRODUCT_INSTANCE_ID + S_FUNCTIONAL_ADDRESS 4737 + S_AUTHORIZED_FUNCTION_CLASS + S_AUTHORIZED_ACCESS_PRIORITY)) 4738 == (FCBlock *)(-1L)) 4739 { 4740 return (0); 4741 } 4742 4743 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4744 tmf->vc = RPT_ATTCH; 4745 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4746 tmf->vl = 4; 4747 4748 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_ATTCH); 4749 4750 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4751 smctr_make_corr(dev, tsv, correlator); 4752 4753 tmf->vl += tsv->svl; 4754 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4755 smctr_make_product_id(dev, tsv); 4756 4757 tmf->vl += tsv->svl; 4758 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4759 smctr_make_funct_addr(dev, tsv); 4760 4761 tmf->vl += tsv->svl; 4762 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4763 smctr_make_auth_funct_class(dev, tsv); 4764 4765 tmf->vl += tsv->svl; 4766 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4767 smctr_make_access_pri(dev, tsv); 4768 4769 tmf->vl += tsv->svl; 4770 4771 /* Subtract out MVID and MVL which is 4772 * include in both vl and MAC_HEADER 4773 */ 4774/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4775 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4776*/ 4777 tmf->vl = SWAP_BYTES(tmf->vl); 4778 4779 return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); 4780} 4781 4782static int smctr_send_rpt_state(struct net_device *dev, MAC_HEADER *rmf, 4783 __u16 correlator) 4784{ 4785 MAC_HEADER *tmf; 4786 MAC_SUB_VECTOR *tsv; 4787 FCBlock *fcb; 4788 4789 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4790 + S_CORRELATOR + S_RING_STATION_VERSION_NUMBER 4791 + S_RING_STATION_STATUS + S_STATION_IDENTIFER)) 4792 == (FCBlock *)(-1L)) 4793 { 4794 return (0); 4795 } 4796 4797 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4798 tmf->vc = RPT_STATE; 4799 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4800 tmf->vl = 4; 4801 4802 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_STATE); 4803 4804 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4805 smctr_make_corr(dev, tsv, correlator); 4806 4807 tmf->vl += tsv->svl; 4808 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4809 smctr_make_ring_station_version(dev, tsv); 4810 4811 tmf->vl += tsv->svl; 4812 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4813 smctr_make_ring_station_status(dev, tsv); 4814 4815 tmf->vl += tsv->svl; 4816 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4817 smctr_make_station_id(dev, tsv); 4818 4819 tmf->vl += tsv->svl; 4820 4821 /* Subtract out MVID and MVL which is 4822 * include in both vl and MAC_HEADER 4823 */ 4824/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4825 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4826*/ 4827 tmf->vl = SWAP_BYTES(tmf->vl); 4828 4829 return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); 4830} 4831 4832static int smctr_send_rpt_tx_forward(struct net_device *dev, 4833 MAC_HEADER *rmf, __u16 tx_fstatus) 4834{ 4835 MAC_HEADER *tmf; 4836 MAC_SUB_VECTOR *tsv; 4837 FCBlock *fcb; 4838 4839 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4840 + S_TRANSMIT_STATUS_CODE)) == (FCBlock *)(-1L)) 4841 { 4842 return (0); 4843 } 4844 4845 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4846 tmf->vc = RPT_TX_FORWARD; 4847 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4848 tmf->vl = 4; 4849 4850 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_TX_FORWARD); 4851 4852 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4853 smctr_make_tx_status_code(dev, tsv, tx_fstatus); 4854 4855 tmf->vl += tsv->svl; 4856 4857 /* Subtract out MVID and MVL which is 4858 * include in both vl and MAC_HEADER 4859 */ 4860/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4861 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4862*/ 4863 tmf->vl = SWAP_BYTES(tmf->vl); 4864 4865 return(smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); 4866} 4867 4868static int smctr_send_rsp(struct net_device *dev, MAC_HEADER *rmf, 4869 __u16 rcode, __u16 correlator) 4870{ 4871 MAC_HEADER *tmf; 4872 MAC_SUB_VECTOR *tsv; 4873 FCBlock *fcb; 4874 4875 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4876 + S_CORRELATOR + S_RESPONSE_CODE)) == (FCBlock *)(-1L)) 4877 { 4878 return (0); 4879 } 4880 4881 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4882 tmf->vc = RSP; 4883 tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; 4884 tmf->vl = 4; 4885 4886 smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RSP); 4887 4888 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4889 smctr_make_corr(dev, tsv, correlator); 4890 4891 return (0); 4892} 4893 4894static int smctr_send_rq_init(struct net_device *dev) 4895{ 4896 struct net_local *tp = netdev_priv(dev); 4897 MAC_HEADER *tmf; 4898 MAC_SUB_VECTOR *tsv; 4899 FCBlock *fcb; 4900 unsigned int i, count = 0; 4901 __u16 fstatus; 4902 int err; 4903 4904 do { 4905 if(((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) 4906 + S_PRODUCT_INSTANCE_ID + S_UPSTREAM_NEIGHBOR_ADDRESS 4907 + S_RING_STATION_VERSION_NUMBER + S_ADDRESS_MODIFER)) 4908 == (FCBlock *)(-1L))) 4909 { 4910 return (0); 4911 } 4912 4913 tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; 4914 tmf->vc = RQ_INIT; 4915 tmf->dc_sc = DC_RPS | SC_RS; 4916 tmf->vl = 4; 4917 4918 smctr_make_8025_hdr(dev, NULL, tmf, AC_FC_RQ_INIT); 4919 4920 tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); 4921 smctr_make_product_id(dev, tsv); 4922 4923 tmf->vl += tsv->svl; 4924 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4925 smctr_make_upstream_neighbor_addr(dev, tsv); 4926 4927 tmf->vl += tsv->svl; 4928 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4929 smctr_make_ring_station_version(dev, tsv); 4930 4931 tmf->vl += tsv->svl; 4932 tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); 4933 smctr_make_addr_mod(dev, tsv); 4934 4935 tmf->vl += tsv->svl; 4936 4937 /* Subtract out MVID and MVL which is 4938 * include in both vl and MAC_HEADER 4939 */ 4940/* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4941 fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; 4942*/ 4943 tmf->vl = SWAP_BYTES(tmf->vl); 4944 4945 if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) 4946 return (err); 4947 4948 /* Wait for Transmit to Complete */ 4949 for(i = 0; i < 10000; i++) 4950 { 4951 if(fcb->frame_status & FCB_COMMAND_DONE) 4952 break; 4953 mdelay(1); 4954 } 4955 4956 /* Check if GOOD frame Tx'ed */ 4957 fstatus = fcb->frame_status; 4958 4959 if(!(fstatus & FCB_COMMAND_DONE)) 4960 return (HARDWARE_FAILED); 4961 4962 if(!(fstatus & FCB_TX_STATUS_E)) 4963 count++; 4964 4965 /* De-allocated Tx FCB and Frame Buffer 4966 * The FCB must be de-allocated manually if executing with 4967 * interrupts disabled, other wise the ISR (LM_Service_Events) 4968 * will de-allocate it when the interrupt occurs. 4969 */ 4970 tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; 4971 smctr_update_tx_chain(dev, fcb, MAC_QUEUE); 4972 } while(count < 4 && ((fstatus & FCB_TX_AC_BITS) ^ FCB_TX_AC_BITS)); 4973 4974 return (smctr_join_complete_state(dev)); 4975} 4976 4977static int smctr_send_tx_forward(struct net_device *dev, MAC_HEADER *rmf, 4978 __u16 *tx_fstatus) 4979{ 4980 struct net_local *tp = netdev_priv(dev); 4981 FCBlock *fcb; 4982 unsigned int i; 4983 int err; 4984 4985 /* Check if this is the END POINT of the Transmit Forward Chain. */ 4986 if(rmf->vl <= 18) 4987 return (0); 4988 4989 /* Allocate Transmit FCB only by requesting 0 bytes 4990 * of data buffer. 4991 */ 4992 if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, 0)) == (FCBlock *)(-1L)) 4993 return (0); 4994 4995 /* Set pointer to Transmit Frame Buffer to the data 4996 * portion of the received TX Forward frame, making 4997 * sure to skip over the Vector Code (vc) and Vector 4998 * length (vl). 4999 */ 5000 fcb->bdb_ptr->trc_data_block_ptr = TRC_POINTER((__u32)rmf 5001 + sizeof(MAC_HEADER) + 2); 5002 fcb->bdb_ptr->data_block_ptr = (__u16 *)((__u32)rmf 5003 + sizeof(MAC_HEADER) + 2); 5004 5005 fcb->frame_length = rmf->vl - 4 - 2; 5006 fcb->bdb_ptr->buffer_length = rmf->vl - 4 - 2; 5007 5008 if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) 5009 return (err); 5010 5011 /* Wait for Transmit to Complete */ 5012 for(i = 0; i < 10000; i++) 5013 { 5014 if(fcb->frame_status & FCB_COMMAND_DONE) 5015 break; 5016 mdelay(1); 5017 } 5018 5019 /* Check if GOOD frame Tx'ed */ 5020 if(!(fcb->frame_status & FCB_COMMAND_DONE)) 5021 { 5022 if((err = smctr_issue_resume_tx_fcb_cmd(dev, MAC_QUEUE))) 5023 return (err); 5024 5025 for(i = 0; i < 10000; i++) 5026 { 5027 if(fcb->frame_status & FCB_COMMAND_DONE) 5028 break; 5029 mdelay(1); 5030 } 5031 5032 if(!(fcb->frame_status & FCB_COMMAND_DONE)) 5033 return (HARDWARE_FAILED); 5034 } 5035 5036 *tx_fstatus = fcb->frame_status; 5037 5038 return (A_FRAME_WAS_FORWARDED); 5039} 5040 5041static int smctr_set_auth_access_pri(struct net_device *dev, 5042 MAC_SUB_VECTOR *rsv) 5043{ 5044 struct net_local *tp = netdev_priv(dev); 5045 5046 if(rsv->svl != S_AUTHORIZED_ACCESS_PRIORITY) 5047 return (E_SUB_VECTOR_LENGTH_ERROR); 5048 5049 tp->authorized_access_priority = (rsv->svv[0] << 8 | rsv->svv[1]); 5050 5051 return (POSITIVE_ACK); 5052} 5053 5054static int smctr_set_auth_funct_class(struct net_device *dev, 5055 MAC_SUB_VECTOR *rsv) 5056{ 5057 struct net_local *tp = netdev_priv(dev); 5058 5059 if(rsv->svl != S_AUTHORIZED_FUNCTION_CLASS) 5060 return (E_SUB_VECTOR_LENGTH_ERROR); 5061 5062 tp->authorized_function_classes = (rsv->svv[0] << 8 | rsv->svv[1]); 5063 5064 return (POSITIVE_ACK); 5065} 5066 5067static int smctr_set_corr(struct net_device *dev, MAC_SUB_VECTOR *rsv, 5068 __u16 *correlator) 5069{ 5070 if(rsv->svl != S_CORRELATOR) 5071 return (E_SUB_VECTOR_LENGTH_ERROR); 5072 5073 *correlator = (rsv->svv[0] << 8 | rsv->svv[1]); 5074 5075 return (POSITIVE_ACK); 5076} 5077 5078static int smctr_set_error_timer_value(struct net_device *dev, 5079 MAC_SUB_VECTOR *rsv) 5080{ 5081 __u16 err_tval; 5082 int err; 5083 5084 if(rsv->svl != S_ERROR_TIMER_VALUE) 5085 return (E_SUB_VECTOR_LENGTH_ERROR); 5086 5087 err_tval = (rsv->svv[0] << 8 | rsv->svv[1])*10; 5088 5089 smctr_issue_write_word_cmd(dev, RW_TER_THRESHOLD, &err_tval); 5090 5091 if((err = smctr_wait_cmd(dev))) 5092 return (err); 5093 5094 return (POSITIVE_ACK); 5095} 5096 5097static int smctr_set_frame_forward(struct net_device *dev, 5098 MAC_SUB_VECTOR *rsv, __u8 dc_sc) 5099{ 5100 if((rsv->svl < 2) || (rsv->svl > S_FRAME_FORWARD)) 5101 return (E_SUB_VECTOR_LENGTH_ERROR); 5102 5103 if((dc_sc & DC_MASK) != DC_CRS) 5104 { 5105 if(rsv->svl >= 2 && rsv->svl < 20) 5106 return (E_TRANSMIT_FORWARD_INVALID); 5107 5108 if((rsv->svv[0] != 0) || (rsv->svv[1] != 0)) 5109 return (E_TRANSMIT_FORWARD_INVALID); 5110 } 5111 5112 return (POSITIVE_ACK); 5113} 5114 5115static int smctr_set_local_ring_num(struct net_device *dev, 5116 MAC_SUB_VECTOR *rsv) 5117{ 5118 struct net_local *tp = netdev_priv(dev); 5119 5120 if(rsv->svl != S_LOCAL_RING_NUMBER) 5121 return (E_SUB_VECTOR_LENGTH_ERROR); 5122 5123 if(tp->ptr_local_ring_num) 5124 *(__u16 *)(tp->ptr_local_ring_num) 5125 = (rsv->svv[0] << 8 | rsv->svv[1]); 5126 5127 return (POSITIVE_ACK); 5128} 5129 5130static unsigned short smctr_set_ctrl_attention(struct net_device *dev) 5131{ 5132 struct net_local *tp = netdev_priv(dev); 5133 int ioaddr = dev->base_addr; 5134 5135 if(tp->bic_type == BIC_585_CHIP) 5136 outb((tp->trc_mask | HWR_CA), ioaddr + HWR); 5137 else 5138 { 5139 outb((tp->trc_mask | CSR_CA), ioaddr + CSR); 5140 outb(tp->trc_mask, ioaddr + CSR); 5141 } 5142 5143 return (0); 5144} 5145 5146static void smctr_set_multicast_list(struct net_device *dev) 5147{ 5148 if(smctr_debug > 10) 5149 printk(KERN_DEBUG "%s: smctr_set_multicast_list\n", dev->name); 5150} 5151 5152static int smctr_set_page(struct net_device *dev, __u8 *buf) 5153{ 5154 struct net_local *tp = netdev_priv(dev); 5155 __u8 amask; 5156 __u32 tptr; 5157 5158 tptr = (__u32)buf - (__u32)tp->ram_access; 5159 amask = (__u8)((tptr & PR_PAGE_MASK) >> 8); 5160 outb(amask, dev->base_addr + PR); 5161 5162 return (0); 5163} 5164 5165static int smctr_set_phy_drop(struct net_device *dev, MAC_SUB_VECTOR *rsv) 5166{ 5167 int err; 5168 5169 if(rsv->svl != S_PHYSICAL_DROP) 5170 return (E_SUB_VECTOR_LENGTH_ERROR); 5171 5172 smctr_issue_write_byte_cmd(dev, RW_PHYSICAL_DROP_NUMBER, &rsv->svv[0]); 5173 if((err = smctr_wait_cmd(dev))) 5174 return (err); 5175 5176 return (POSITIVE_ACK); 5177} 5178 5179/* Reset the ring speed to the opposite of what it was. This auto-pilot 5180 * mode requires a complete reset and re-init of the adapter. 5181 */ 5182static int smctr_set_ring_speed(struct net_device *dev) 5183{ 5184 struct net_local *tp = netdev_priv(dev); 5185 int err; 5186 5187 if(tp->media_type == MEDIA_UTP_16) 5188 tp->media_type = MEDIA_UTP_4; 5189 else 5190 tp->media_type = MEDIA_UTP_16; 5191 5192 smctr_enable_16bit(dev); 5193 5194 /* Re-Initialize adapter's internal registers */ 5195 smctr_reset_adapter(dev); 5196 5197 if((err = smctr_init_card_real(dev))) 5198 return (err); 5199 5200 smctr_enable_bic_int(dev); 5201 5202 if((err = smctr_issue_enable_int_cmd(dev, TRC_INTERRUPT_ENABLE_MASK))) 5203 return (err); 5204 5205 smctr_disable_16bit(dev); 5206 5207 return (0); 5208} 5209 5210static int smctr_set_rx_look_ahead(struct net_device *dev) 5211{ 5212 struct net_local *tp = netdev_priv(dev); 5213 __u16 sword, rword; 5214 5215 if(smctr_debug > 10) 5216 printk(KERN_DEBUG "%s: smctr_set_rx_look_ahead_flag\n", dev->name); 5217 5218 tp->adapter_flags &= ~(FORCED_16BIT_MODE); 5219 tp->adapter_flags |= RX_VALID_LOOKAHEAD; 5220 5221 if(tp->adapter_bus == BUS_ISA16_TYPE) 5222 { 5223 sword = *((__u16 *)(tp->ram_access)); 5224 *((__u16 *)(tp->ram_access)) = 0x1234; 5225 5226 smctr_disable_16bit(dev); 5227 rword = *((__u16 *)(tp->ram_access)); 5228 smctr_enable_16bit(dev); 5229 5230 if(rword != 0x1234) 5231 tp->adapter_flags |= FORCED_16BIT_MODE; 5232 5233 *((__u16 *)(tp->ram_access)) = sword; 5234 } 5235 5236 return (0); 5237} 5238 5239static int smctr_set_trc_reset(int ioaddr) 5240{ 5241 __u8 r; 5242 5243 r = inb(ioaddr + MSR); 5244 outb(MSR_RST | r, ioaddr + MSR); 5245 5246 return (0); 5247} 5248 5249/* 5250 * This function can be called if the adapter is busy or not. 5251 */ 5252static int smctr_setup_single_cmd(struct net_device *dev, 5253 __u16 command, __u16 subcommand) 5254{ 5255 struct net_local *tp = netdev_priv(dev); 5256 unsigned int err; 5257 5258 if(smctr_debug > 10) 5259 printk(KERN_DEBUG "%s: smctr_setup_single_cmd\n", dev->name); 5260 5261 if((err = smctr_wait_while_cbusy(dev))) 5262 return (err); 5263 5264 if((err = (unsigned int)smctr_wait_cmd(dev))) 5265 return (err); 5266 5267 tp->acb_head->cmd_done_status = 0; 5268 tp->acb_head->cmd = command; 5269 tp->acb_head->subcmd = subcommand; 5270 5271 err = smctr_issue_resume_acb_cmd(dev); 5272 5273 return (err); 5274} 5275 5276/* 5277 * This function can not be called with the adapter busy. 5278 */ 5279static int smctr_setup_single_cmd_w_data(struct net_device *dev, 5280 __u16 command, __u16 subcommand) 5281{ 5282 struct net_local *tp = netdev_priv(dev); 5283 5284 tp->acb_head->cmd_done_status = ACB_COMMAND_NOT_DONE; 5285 tp->acb_head->cmd = command; 5286 tp->acb_head->subcmd = subcommand; 5287 tp->acb_head->data_offset_lo 5288 = (__u16)TRC_POINTER(tp->misc_command_data); 5289 5290 return(smctr_issue_resume_acb_cmd(dev)); 5291} 5292 5293static char *smctr_malloc(struct net_device *dev, __u16 size) 5294{ 5295 struct net_local *tp = netdev_priv(dev); 5296 char *m; 5297 5298 m = (char *)(tp->ram_access + tp->sh_mem_used); 5299 tp->sh_mem_used += (__u32)size; 5300 5301 return (m); 5302} 5303 5304static int smctr_status_chg(struct net_device *dev) 5305{ 5306 struct net_local *tp = netdev_priv(dev); 5307 5308 if(smctr_debug > 10) 5309 printk(KERN_DEBUG "%s: smctr_status_chg\n", dev->name); 5310 5311 switch(tp->status) 5312 { 5313 case OPEN: 5314 break; 5315 5316 case CLOSED: 5317 break; 5318 5319 /* Interrupt driven open() completion. XXX */ 5320 case INITIALIZED: 5321 tp->group_address_0 = 0; 5322 tp->group_address[0] = 0; 5323 tp->group_address[1] = 0; 5324 tp->functional_address_0 = 0; 5325 tp->functional_address[0] = 0; 5326 tp->functional_address[1] = 0; 5327 smctr_open_tr(dev); 5328 break; 5329 5330 default: 5331 printk(KERN_INFO "%s: status change unknown %x\n", 5332 dev->name, tp->status); 5333 break; 5334 } 5335 5336 return (0); 5337} 5338 5339static int smctr_trc_send_packet(struct net_device *dev, FCBlock *fcb, 5340 __u16 queue) 5341{ 5342 struct net_local *tp = netdev_priv(dev); 5343 int err = 0; 5344 5345 if(smctr_debug > 10) 5346 printk(KERN_DEBUG "%s: smctr_trc_send_packet\n", dev->name); 5347 5348 fcb->info = FCB_CHAIN_END | FCB_ENABLE_TFS; 5349 if(tp->num_tx_fcbs[queue] != 1) 5350 fcb->back_ptr->info = FCB_INTERRUPT_ENABLE | FCB_ENABLE_TFS; 5351 5352 if(tp->tx_queue_status[queue] == NOT_TRANSMITING) 5353 { 5354 tp->tx_queue_status[queue] = TRANSMITING; 5355 err = smctr_issue_resume_tx_fcb_cmd(dev, queue); 5356 } 5357 5358 return (err); 5359} 5360 5361static __u16 smctr_tx_complete(struct net_device *dev, __u16 queue) 5362{ 5363 struct net_local *tp = netdev_priv(dev); 5364 __u16 status, err = 0; 5365 int cstatus; 5366 5367 if(smctr_debug > 10) 5368 printk(KERN_DEBUG "%s: smctr_tx_complete\n", dev->name); 5369 5370 while((status = tp->tx_fcb_end[queue]->frame_status) != SUCCESS) 5371 { 5372 if(status & 0x7e00 ) 5373 { 5374 err = HARDWARE_FAILED; 5375 break; 5376 } 5377 5378 if((err = smctr_update_tx_chain(dev, tp->tx_fcb_end[queue], 5379 queue)) != SUCCESS) 5380 break; 5381 5382 smctr_disable_16bit(dev); 5383 5384 if(tp->mode_bits & UMAC) 5385 { 5386 if(!(status & (FCB_TX_STATUS_AR1 | FCB_TX_STATUS_AR2))) 5387 cstatus = NO_SUCH_DESTINATION; 5388 else 5389 { 5390 if(!(status & (FCB_TX_STATUS_CR1 | FCB_TX_STATUS_CR2))) 5391 cstatus = DEST_OUT_OF_RESOURCES; 5392 else 5393 { 5394 if(status & FCB_TX_STATUS_E) 5395 cstatus = MAX_COLLISIONS; 5396 else 5397 cstatus = SUCCESS; 5398 } 5399 } 5400 } 5401 else 5402 cstatus = SUCCESS; 5403 5404 if(queue == BUG_QUEUE) 5405 err = SUCCESS; 5406 5407 smctr_enable_16bit(dev); 5408 if(err != SUCCESS) 5409 break; 5410 } 5411 5412 return (err); 5413} 5414 5415static unsigned short smctr_tx_move_frame(struct net_device *dev, 5416 struct sk_buff *skb, __u8 *pbuff, unsigned int bytes) 5417{ 5418 struct net_local *tp = netdev_priv(dev); 5419 unsigned int ram_usable; 5420 __u32 flen, len, offset = 0; 5421 __u8 *frag, *page; 5422 5423 if(smctr_debug > 10) 5424 printk(KERN_DEBUG "%s: smctr_tx_move_frame\n", dev->name); 5425 5426 ram_usable = ((unsigned int)tp->ram_usable) << 10; 5427 frag = skb->data; 5428 flen = skb->len; 5429 5430 while(flen > 0 && bytes > 0) 5431 { 5432 smctr_set_page(dev, pbuff); 5433 5434 offset = SMC_PAGE_OFFSET(pbuff); 5435 5436 if(offset + flen > ram_usable) 5437 len = ram_usable - offset; 5438 else 5439 len = flen; 5440 5441 if(len > bytes) 5442 len = bytes; 5443 5444 page = (char *) (offset + tp->ram_access); 5445 memcpy(page, frag, len); 5446 5447 flen -=len; 5448 bytes -= len; 5449 frag += len; 5450 pbuff += len; 5451 } 5452 5453 return (0); 5454} 5455 5456/* Update the error statistic counters for this adapter. */ 5457static int smctr_update_err_stats(struct net_device *dev) 5458{ 5459 struct net_local *tp = netdev_priv(dev); 5460 struct tr_statistics *tstat = &tp->MacStat; 5461 5462 if(tstat->internal_errors) 5463 tstat->internal_errors 5464 += *(tp->misc_command_data + 0) & 0x00ff; 5465 5466 if(tstat->line_errors) 5467 tstat->line_errors += *(tp->misc_command_data + 0) >> 8; 5468 5469 if(tstat->A_C_errors) 5470 tstat->A_C_errors += *(tp->misc_command_data + 1) & 0x00ff; 5471 5472 if(tstat->burst_errors) 5473 tstat->burst_errors += *(tp->misc_command_data + 1) >> 8; 5474 5475 if(tstat->abort_delimiters) 5476 tstat->abort_delimiters += *(tp->misc_command_data + 2) >> 8; 5477 5478 if(tstat->recv_congest_count) 5479 tstat->recv_congest_count 5480 += *(tp->misc_command_data + 3) & 0x00ff; 5481 5482 if(tstat->lost_frames) 5483 tstat->lost_frames 5484 += *(tp->misc_command_data + 3) >> 8; 5485 5486 if(tstat->frequency_errors) 5487 tstat->frequency_errors += *(tp->misc_command_data + 4) & 0x00ff; 5488 5489 if(tstat->frame_copied_errors) 5490 tstat->frame_copied_errors 5491 += *(tp->misc_command_data + 4) >> 8; 5492 5493 if(tstat->token_errors) 5494 tstat->token_errors += *(tp->misc_command_data + 5) >> 8; 5495 5496 return (0); 5497} 5498 5499static int smctr_update_rx_chain(struct net_device *dev, __u16 queue) 5500{ 5501 struct net_local *tp = netdev_priv(dev); 5502 FCBlock *fcb; 5503 BDBlock *bdb; 5504 __u16 size, len; 5505 5506 fcb = tp->rx_fcb_curr[queue]; 5507 len = fcb->frame_length; 5508 5509 fcb->frame_status = 0; 5510 fcb->info = FCB_CHAIN_END; 5511 fcb->back_ptr->info = FCB_WARNING; 5512 5513 tp->rx_fcb_curr[queue] = tp->rx_fcb_curr[queue]->next_ptr; 5514 5515 /* update RX BDBs */ 5516 size = (len >> RX_BDB_SIZE_SHIFT); 5517 if(len & RX_DATA_BUFFER_SIZE_MASK) 5518 size += sizeof(BDBlock); 5519 size &= (~RX_BDB_SIZE_MASK); 5520 5521 /* check if wrap around */ 5522 bdb = (BDBlock *)((__u32)(tp->rx_bdb_curr[queue]) + (__u32)(size)); 5523 if((__u32)bdb >= (__u32)tp->rx_bdb_end[queue]) 5524 { 5525 bdb = (BDBlock *)((__u32)(tp->rx_bdb_head[queue]) 5526 + (__u32)(bdb) - (__u32)(tp->rx_bdb_end[queue])); 5527 } 5528 5529 bdb->back_ptr->info = BDB_CHAIN_END; 5530 tp->rx_bdb_curr[queue]->back_ptr->info = BDB_NOT_CHAIN_END; 5531 tp->rx_bdb_curr[queue] = bdb; 5532 5533 return (0); 5534} 5535 5536static int smctr_update_tx_chain(struct net_device *dev, FCBlock *fcb, 5537 __u16 queue) 5538{ 5539 struct net_local *tp = netdev_priv(dev); 5540 5541 if(smctr_debug > 20) 5542 printk(KERN_DEBUG "smctr_update_tx_chain\n"); 5543 5544 if(tp->num_tx_fcbs_used[queue] <= 0) 5545 return (HARDWARE_FAILED); 5546 else 5547 { 5548 if(tp->tx_buff_used[queue] < fcb->memory_alloc) 5549 { 5550 tp->tx_buff_used[queue] = 0; 5551 return (HARDWARE_FAILED); 5552 } 5553 5554 tp->tx_buff_used[queue] -= fcb->memory_alloc; 5555 5556 /* if all transmit buffer are cleared 5557 * need to set the tx_buff_curr[] to tx_buff_head[] 5558 * otherwise, tx buffer will be segregate and cannot 5559 * accommodate and buffer greater than (curr - head) and 5560 * (end - curr) since we do not allow wrap around allocation. 5561 */ 5562 if(tp->tx_buff_used[queue] == 0) 5563 tp->tx_buff_curr[queue] = tp->tx_buff_head[queue]; 5564 5565 tp->num_tx_fcbs_used[queue]--; 5566 fcb->frame_status = 0; 5567 tp->tx_fcb_end[queue] = fcb->next_ptr; 5568 netif_wake_queue(dev); 5569 return (0); 5570 } 5571} 5572 5573static int smctr_wait_cmd(struct net_device *dev) 5574{ 5575 struct net_local *tp = netdev_priv(dev); 5576 unsigned int loop_count = 0x20000; 5577 5578 if(smctr_debug > 10) 5579 printk(KERN_DEBUG "%s: smctr_wait_cmd\n", dev->name); 5580 5581 while(loop_count) 5582 { 5583 if(tp->acb_head->cmd_done_status & ACB_COMMAND_DONE) 5584 break; 5585 udelay(1); 5586 loop_count--; 5587 } 5588 5589 if(loop_count == 0) 5590 return(HARDWARE_FAILED); 5591 5592 if(tp->acb_head->cmd_done_status & 0xff) 5593 return(HARDWARE_FAILED); 5594 5595 return (0); 5596} 5597 5598static int smctr_wait_while_cbusy(struct net_device *dev) 5599{ 5600 struct net_local *tp = netdev_priv(dev); 5601 unsigned int timeout = 0x20000; 5602 int ioaddr = dev->base_addr; 5603 __u8 r; 5604 5605 if(tp->bic_type == BIC_585_CHIP) 5606 { 5607 while(timeout) 5608 { 5609 r = inb(ioaddr + HWR); 5610 if((r & HWR_CBUSY) == 0) 5611 break; 5612 timeout--; 5613 } 5614 } 5615 else 5616 { 5617 while(timeout) 5618 { 5619 r = inb(ioaddr + CSR); 5620 if((r & CSR_CBUSY) == 0) 5621 break; 5622 timeout--; 5623 } 5624 } 5625 5626 if(timeout) 5627 return (0); 5628 else 5629 return (HARDWARE_FAILED); 5630} 5631 5632#ifdef MODULE 5633 5634static struct net_device* dev_smctr[SMCTR_MAX_ADAPTERS]; 5635static int io[SMCTR_MAX_ADAPTERS]; 5636static int irq[SMCTR_MAX_ADAPTERS]; 5637 5638MODULE_LICENSE("GPL"); 5639MODULE_FIRMWARE("tr_smctr.bin"); 5640 5641module_param_array(io, int, NULL, 0); 5642module_param_array(irq, int, NULL, 0); 5643module_param(ringspeed, int, 0); 5644 5645static struct net_device * __init setup_card(int n) 5646{ 5647 struct net_device *dev = alloc_trdev(sizeof(struct net_local)); 5648 int err; 5649 5650 if (!dev) 5651 return ERR_PTR(-ENOMEM); 5652 5653 dev->irq = irq[n]; 5654 err = smctr_probe1(dev, io[n]); 5655 if (err) 5656 goto out; 5657 5658 err = register_netdev(dev); 5659 if (err) 5660 goto out1; 5661 return dev; 5662 out1: 5663#ifdef CONFIG_MCA_LEGACY 5664 { struct net_local *tp = netdev_priv(dev); 5665 if (tp->slot_num) 5666 mca_mark_as_unused(tp->slot_num); 5667 } 5668#endif 5669 release_region(dev->base_addr, SMCTR_IO_EXTENT); 5670 free_irq(dev->irq, dev); 5671out: 5672 free_netdev(dev); 5673 return ERR_PTR(err); 5674} 5675 5676int __init init_module(void) 5677{ 5678 int i, found = 0; 5679 struct net_device *dev; 5680 5681 for(i = 0; i < SMCTR_MAX_ADAPTERS; i++) { 5682 dev = io[0]? setup_card(i) : smctr_probe(-1); 5683 if (!IS_ERR(dev)) { 5684 ++found; 5685 dev_smctr[i] = dev; 5686 } 5687 } 5688 5689 return found ? 0 : -ENODEV; 5690} 5691 5692void __exit cleanup_module(void) 5693{ 5694 int i; 5695 5696 for(i = 0; i < SMCTR_MAX_ADAPTERS; i++) { 5697 struct net_device *dev = dev_smctr[i]; 5698 5699 if (dev) { 5700 5701 unregister_netdev(dev); 5702#ifdef CONFIG_MCA_LEGACY 5703 { struct net_local *tp = netdev_priv(dev); 5704 if (tp->slot_num) 5705 mca_mark_as_unused(tp->slot_num); 5706 } 5707#endif 5708 release_region(dev->base_addr, SMCTR_IO_EXTENT); 5709 if (dev->irq) 5710 free_irq(dev->irq, dev); 5711 5712 free_netdev(dev); 5713 } 5714 } 5715} 5716#endif /* MODULE */