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1da177e4 LT |
1 | /* |
2 | * smctr.c: A network driver for the SMC Token Ring Adapters. | |
3 | * | |
4 | * Written by Jay Schulist <jschlst@samba.org> | |
5 | * | |
6 | * This software may be used and distributed according to the terms | |
7 | * of the GNU General Public License, incorporated herein by reference. | |
8 | * | |
9 | * This device driver works with the following SMC adapters: | |
10 | * - SMC TokenCard Elite (8115T, chips 825/584) | |
11 | * - SMC TokenCard Elite/A MCA (8115T/A, chips 825/594) | |
12 | * | |
13 | * Source(s): | |
14 | * - SMC TokenCard SDK. | |
15 | * | |
16 | * Maintainer(s): | |
17 | * JS Jay Schulist <jschlst@samba.org> | |
18 | * | |
19 | * Changes: | |
20 | * 07102000 JS Fixed a timing problem in smctr_wait_cmd(); | |
21 | * Also added a bit more discriptive error msgs. | |
22 | * 07122000 JS Fixed problem with detecting a card with | |
23 | * module io/irq/mem specified. | |
24 | * | |
25 | * To do: | |
26 | * 1. Multicast support. | |
27 | * | |
28 | * Initial 2.5 cleanup Alan Cox <alan@redhat.com> 2002/10/28 | |
29 | */ | |
30 | ||
31 | #include <linux/module.h> | |
1da177e4 LT |
32 | #include <linux/kernel.h> |
33 | #include <linux/types.h> | |
34 | #include <linux/fcntl.h> | |
35 | #include <linux/interrupt.h> | |
36 | #include <linux/ptrace.h> | |
37 | #include <linux/ioport.h> | |
38 | #include <linux/in.h> | |
39 | #include <linux/slab.h> | |
40 | #include <linux/string.h> | |
41 | #include <linux/time.h> | |
42 | #include <linux/errno.h> | |
43 | #include <linux/init.h> | |
44 | #include <linux/pci.h> | |
45 | #include <linux/mca-legacy.h> | |
46 | #include <linux/delay.h> | |
47 | #include <linux/netdevice.h> | |
48 | #include <linux/etherdevice.h> | |
49 | #include <linux/skbuff.h> | |
50 | #include <linux/trdevice.h> | |
51 | #include <linux/bitops.h> | |
52 | ||
53 | #include <asm/system.h> | |
54 | #include <asm/io.h> | |
55 | #include <asm/dma.h> | |
56 | #include <asm/irq.h> | |
57 | ||
58 | #if BITS_PER_LONG == 64 | |
59 | #error FIXME: driver does not support 64-bit platforms | |
60 | #endif | |
61 | ||
62 | #include "smctr.h" /* Our Stuff */ | |
63 | #include "smctr_firmware.h" /* SMC adapter firmware */ | |
64 | ||
65 | static char version[] __initdata = KERN_INFO "smctr.c: v1.4 7/12/00 by jschlst@samba.org\n"; | |
66 | static const char cardname[] = "smctr"; | |
67 | ||
68 | ||
69 | #define SMCTR_IO_EXTENT 20 | |
70 | ||
71 | #ifdef CONFIG_MCA_LEGACY | |
72 | static unsigned int smctr_posid = 0x6ec6; | |
73 | #endif | |
74 | ||
75 | static int ringspeed; | |
76 | ||
77 | /* SMC Name of the Adapter. */ | |
78 | static char smctr_name[] = "SMC TokenCard"; | |
de70b4c8 | 79 | static char *smctr_model = "Unknown"; |
1da177e4 LT |
80 | |
81 | /* Use 0 for production, 1 for verification, 2 for debug, and | |
82 | * 3 for very verbose debug. | |
83 | */ | |
84 | #ifndef SMCTR_DEBUG | |
85 | #define SMCTR_DEBUG 1 | |
86 | #endif | |
87 | static unsigned int smctr_debug = SMCTR_DEBUG; | |
88 | ||
89 | /* smctr.c prototypes and functions are arranged alphabeticly | |
90 | * for clearity, maintainability and pure old fashion fun. | |
91 | */ | |
92 | /* A */ | |
93 | static int smctr_alloc_shared_memory(struct net_device *dev); | |
94 | ||
95 | /* B */ | |
96 | static int smctr_bypass_state(struct net_device *dev); | |
97 | ||
98 | /* C */ | |
99 | static int smctr_checksum_firmware(struct net_device *dev); | |
100 | static int __init smctr_chk_isa(struct net_device *dev); | |
101 | static int smctr_chg_rx_mask(struct net_device *dev); | |
102 | static int smctr_clear_int(struct net_device *dev); | |
103 | static int smctr_clear_trc_reset(int ioaddr); | |
104 | static int smctr_close(struct net_device *dev); | |
105 | ||
106 | /* D */ | |
107 | static int smctr_decode_firmware(struct net_device *dev); | |
108 | static int smctr_disable_16bit(struct net_device *dev); | |
109 | static int smctr_disable_adapter_ctrl_store(struct net_device *dev); | |
110 | static int smctr_disable_bic_int(struct net_device *dev); | |
111 | ||
112 | /* E */ | |
113 | static int smctr_enable_16bit(struct net_device *dev); | |
114 | static int smctr_enable_adapter_ctrl_store(struct net_device *dev); | |
115 | static int smctr_enable_adapter_ram(struct net_device *dev); | |
116 | static int smctr_enable_bic_int(struct net_device *dev); | |
117 | ||
118 | /* G */ | |
119 | static int __init smctr_get_boardid(struct net_device *dev, int mca); | |
120 | static int smctr_get_group_address(struct net_device *dev); | |
121 | static int smctr_get_functional_address(struct net_device *dev); | |
122 | static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev); | |
123 | static int smctr_get_physical_drop_number(struct net_device *dev); | |
124 | static __u8 *smctr_get_rx_pointer(struct net_device *dev, short queue); | |
125 | static int smctr_get_station_id(struct net_device *dev); | |
126 | static struct net_device_stats *smctr_get_stats(struct net_device *dev); | |
127 | static FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue, | |
128 | __u16 bytes_count); | |
129 | static int smctr_get_upstream_neighbor_addr(struct net_device *dev); | |
130 | ||
131 | /* H */ | |
132 | static int smctr_hardware_send_packet(struct net_device *dev, | |
133 | struct net_local *tp); | |
134 | /* I */ | |
135 | static int smctr_init_acbs(struct net_device *dev); | |
136 | static int smctr_init_adapter(struct net_device *dev); | |
137 | static int smctr_init_card_real(struct net_device *dev); | |
138 | static int smctr_init_rx_bdbs(struct net_device *dev); | |
139 | static int smctr_init_rx_fcbs(struct net_device *dev); | |
140 | static int smctr_init_shared_memory(struct net_device *dev); | |
141 | static int smctr_init_tx_bdbs(struct net_device *dev); | |
142 | static int smctr_init_tx_fcbs(struct net_device *dev); | |
143 | static int smctr_internal_self_test(struct net_device *dev); | |
144 | static irqreturn_t smctr_interrupt(int irq, void *dev_id, struct pt_regs *regs); | |
145 | static int smctr_issue_enable_int_cmd(struct net_device *dev, | |
146 | __u16 interrupt_enable_mask); | |
147 | static int smctr_issue_int_ack(struct net_device *dev, __u16 iack_code, | |
148 | __u16 ibits); | |
149 | static int smctr_issue_init_timers_cmd(struct net_device *dev); | |
150 | static int smctr_issue_init_txrx_cmd(struct net_device *dev); | |
151 | static int smctr_issue_insert_cmd(struct net_device *dev); | |
152 | static int smctr_issue_read_ring_status_cmd(struct net_device *dev); | |
153 | static int smctr_issue_read_word_cmd(struct net_device *dev, __u16 aword_cnt); | |
154 | static int smctr_issue_remove_cmd(struct net_device *dev); | |
155 | static int smctr_issue_resume_acb_cmd(struct net_device *dev); | |
156 | static int smctr_issue_resume_rx_bdb_cmd(struct net_device *dev, __u16 queue); | |
157 | static int smctr_issue_resume_rx_fcb_cmd(struct net_device *dev, __u16 queue); | |
158 | static int smctr_issue_resume_tx_fcb_cmd(struct net_device *dev, __u16 queue); | |
159 | static int smctr_issue_test_internal_rom_cmd(struct net_device *dev); | |
160 | static int smctr_issue_test_hic_cmd(struct net_device *dev); | |
161 | static int smctr_issue_test_mac_reg_cmd(struct net_device *dev); | |
162 | static int smctr_issue_trc_loopback_cmd(struct net_device *dev); | |
163 | static int smctr_issue_tri_loopback_cmd(struct net_device *dev); | |
164 | static int smctr_issue_write_byte_cmd(struct net_device *dev, | |
165 | short aword_cnt, void *byte); | |
166 | static int smctr_issue_write_word_cmd(struct net_device *dev, | |
167 | short aword_cnt, void *word); | |
168 | ||
169 | /* J */ | |
170 | static int smctr_join_complete_state(struct net_device *dev); | |
171 | ||
172 | /* L */ | |
173 | static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev); | |
174 | static int smctr_load_firmware(struct net_device *dev); | |
175 | static int smctr_load_node_addr(struct net_device *dev); | |
176 | static int smctr_lobe_media_test(struct net_device *dev); | |
177 | static int smctr_lobe_media_test_cmd(struct net_device *dev); | |
178 | static int smctr_lobe_media_test_state(struct net_device *dev); | |
179 | ||
180 | /* M */ | |
181 | static int smctr_make_8025_hdr(struct net_device *dev, | |
182 | MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc); | |
183 | static int smctr_make_access_pri(struct net_device *dev, | |
184 | MAC_SUB_VECTOR *tsv); | |
185 | static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv); | |
186 | static int smctr_make_auth_funct_class(struct net_device *dev, | |
187 | MAC_SUB_VECTOR *tsv); | |
188 | static int smctr_make_corr(struct net_device *dev, | |
189 | MAC_SUB_VECTOR *tsv, __u16 correlator); | |
190 | static int smctr_make_funct_addr(struct net_device *dev, | |
191 | MAC_SUB_VECTOR *tsv); | |
192 | static int smctr_make_group_addr(struct net_device *dev, | |
193 | MAC_SUB_VECTOR *tsv); | |
194 | static int smctr_make_phy_drop_num(struct net_device *dev, | |
195 | MAC_SUB_VECTOR *tsv); | |
196 | static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv); | |
197 | static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv); | |
198 | static int smctr_make_ring_station_status(struct net_device *dev, | |
199 | MAC_SUB_VECTOR *tsv); | |
200 | static int smctr_make_ring_station_version(struct net_device *dev, | |
201 | MAC_SUB_VECTOR *tsv); | |
202 | static int smctr_make_tx_status_code(struct net_device *dev, | |
203 | MAC_SUB_VECTOR *tsv, __u16 tx_fstatus); | |
204 | static int smctr_make_upstream_neighbor_addr(struct net_device *dev, | |
205 | MAC_SUB_VECTOR *tsv); | |
206 | static int smctr_make_wrap_data(struct net_device *dev, | |
207 | MAC_SUB_VECTOR *tsv); | |
208 | ||
209 | /* O */ | |
210 | static int smctr_open(struct net_device *dev); | |
211 | static int smctr_open_tr(struct net_device *dev); | |
212 | ||
213 | /* P */ | |
214 | struct net_device *smctr_probe(int unit); | |
215 | static int __init smctr_probe1(struct net_device *dev, int ioaddr); | |
216 | static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size, | |
217 | struct net_device *dev, __u16 rx_status); | |
218 | ||
219 | /* R */ | |
220 | static int smctr_ram_memory_test(struct net_device *dev); | |
221 | static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf, | |
222 | __u16 *correlator); | |
223 | static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf, | |
224 | __u16 *correlator); | |
225 | static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf); | |
226 | static int smctr_rcv_rq_addr_state_attch(struct net_device *dev, | |
227 | MAC_HEADER *rmf, __u16 *correlator); | |
228 | static int smctr_rcv_unknown(struct net_device *dev, MAC_HEADER *rmf, | |
229 | __u16 *correlator); | |
230 | static int smctr_reset_adapter(struct net_device *dev); | |
231 | static int smctr_restart_tx_chain(struct net_device *dev, short queue); | |
232 | static int smctr_ring_status_chg(struct net_device *dev); | |
233 | static int smctr_rx_frame(struct net_device *dev); | |
234 | ||
235 | /* S */ | |
236 | static int smctr_send_dat(struct net_device *dev); | |
237 | static int smctr_send_packet(struct sk_buff *skb, struct net_device *dev); | |
238 | static int smctr_send_lobe_media_test(struct net_device *dev); | |
239 | static int smctr_send_rpt_addr(struct net_device *dev, MAC_HEADER *rmf, | |
240 | __u16 correlator); | |
241 | static int smctr_send_rpt_attch(struct net_device *dev, MAC_HEADER *rmf, | |
242 | __u16 correlator); | |
243 | static int smctr_send_rpt_state(struct net_device *dev, MAC_HEADER *rmf, | |
244 | __u16 correlator); | |
245 | static int smctr_send_rpt_tx_forward(struct net_device *dev, | |
246 | MAC_HEADER *rmf, __u16 tx_fstatus); | |
247 | static int smctr_send_rsp(struct net_device *dev, MAC_HEADER *rmf, | |
248 | __u16 rcode, __u16 correlator); | |
249 | static int smctr_send_rq_init(struct net_device *dev); | |
250 | static int smctr_send_tx_forward(struct net_device *dev, MAC_HEADER *rmf, | |
251 | __u16 *tx_fstatus); | |
252 | static int smctr_set_auth_access_pri(struct net_device *dev, | |
253 | MAC_SUB_VECTOR *rsv); | |
254 | static int smctr_set_auth_funct_class(struct net_device *dev, | |
255 | MAC_SUB_VECTOR *rsv); | |
256 | static int smctr_set_corr(struct net_device *dev, MAC_SUB_VECTOR *rsv, | |
257 | __u16 *correlator); | |
258 | static int smctr_set_error_timer_value(struct net_device *dev, | |
259 | MAC_SUB_VECTOR *rsv); | |
260 | static int smctr_set_frame_forward(struct net_device *dev, | |
261 | MAC_SUB_VECTOR *rsv, __u8 dc_sc); | |
262 | static int smctr_set_local_ring_num(struct net_device *dev, | |
263 | MAC_SUB_VECTOR *rsv); | |
264 | static unsigned short smctr_set_ctrl_attention(struct net_device *dev); | |
265 | static void smctr_set_multicast_list(struct net_device *dev); | |
266 | static int smctr_set_page(struct net_device *dev, __u8 *buf); | |
267 | static int smctr_set_phy_drop(struct net_device *dev, | |
268 | MAC_SUB_VECTOR *rsv); | |
269 | static int smctr_set_ring_speed(struct net_device *dev); | |
270 | static int smctr_set_rx_look_ahead(struct net_device *dev); | |
271 | static int smctr_set_trc_reset(int ioaddr); | |
272 | static int smctr_setup_single_cmd(struct net_device *dev, | |
273 | __u16 command, __u16 subcommand); | |
274 | static int smctr_setup_single_cmd_w_data(struct net_device *dev, | |
275 | __u16 command, __u16 subcommand); | |
276 | static char *smctr_malloc(struct net_device *dev, __u16 size); | |
277 | static int smctr_status_chg(struct net_device *dev); | |
278 | ||
279 | /* T */ | |
280 | static void smctr_timeout(struct net_device *dev); | |
281 | static int smctr_trc_send_packet(struct net_device *dev, FCBlock *fcb, | |
282 | __u16 queue); | |
283 | static __u16 smctr_tx_complete(struct net_device *dev, __u16 queue); | |
284 | static unsigned short smctr_tx_move_frame(struct net_device *dev, | |
285 | struct sk_buff *skb, __u8 *pbuff, unsigned int bytes); | |
286 | ||
287 | /* U */ | |
288 | static int smctr_update_err_stats(struct net_device *dev); | |
289 | static int smctr_update_rx_chain(struct net_device *dev, __u16 queue); | |
290 | static int smctr_update_tx_chain(struct net_device *dev, FCBlock *fcb, | |
291 | __u16 queue); | |
292 | ||
293 | /* W */ | |
294 | static int smctr_wait_cmd(struct net_device *dev); | |
295 | static 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 | */ | |
327 | static int smctr_alloc_shared_memory(struct net_device *dev) | |
328 | { | |
329 | struct net_local *tp = netdev_priv(dev); | |
330 | ||
331 | if(smctr_debug > 10) | |
332 | printk(KERN_DEBUG "%s: smctr_alloc_shared_memory\n", dev->name); | |
333 | ||
334 | /* Allocate initial System Control Block pointer. | |
335 | * This pointer is located in the last page, last offset - 4. | |
336 | */ | |
337 | tp->iscpb_ptr = (ISCPBlock *)(tp->ram_access + ((__u32)64 * 0x400) | |
338 | - (long)ISCP_BLOCK_SIZE); | |
339 | ||
340 | /* Allocate System Control Blocks. */ | |
341 | tp->scgb_ptr = (SCGBlock *)smctr_malloc(dev, sizeof(SCGBlock)); | |
342 | PARAGRAPH_BOUNDRY(tp->sh_mem_used); | |
343 | ||
344 | tp->sclb_ptr = (SCLBlock *)smctr_malloc(dev, sizeof(SCLBlock)); | |
345 | PARAGRAPH_BOUNDRY(tp->sh_mem_used); | |
346 | ||
347 | tp->acb_head = (ACBlock *)smctr_malloc(dev, | |
348 | sizeof(ACBlock)*tp->num_acbs); | |
349 | PARAGRAPH_BOUNDRY(tp->sh_mem_used); | |
350 | ||
351 | tp->isb_ptr = (ISBlock *)smctr_malloc(dev, sizeof(ISBlock)); | |
352 | PARAGRAPH_BOUNDRY(tp->sh_mem_used); | |
353 | ||
354 | tp->misc_command_data = (__u16 *)smctr_malloc(dev, MISC_DATA_SIZE); | |
355 | PARAGRAPH_BOUNDRY(tp->sh_mem_used); | |
356 | ||
357 | /* Allocate transmit FCBs. */ | |
358 | tp->tx_fcb_head[MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, | |
359 | sizeof(FCBlock) * tp->num_tx_fcbs[MAC_QUEUE]); | |
360 | ||
361 | tp->tx_fcb_head[NON_MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, | |
362 | sizeof(FCBlock) * tp->num_tx_fcbs[NON_MAC_QUEUE]); | |
363 | ||
364 | tp->tx_fcb_head[BUG_QUEUE] = (FCBlock *)smctr_malloc(dev, | |
365 | sizeof(FCBlock) * tp->num_tx_fcbs[BUG_QUEUE]); | |
366 | ||
367 | /* Allocate transmit BDBs. */ | |
368 | tp->tx_bdb_head[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, | |
369 | sizeof(BDBlock) * tp->num_tx_bdbs[MAC_QUEUE]); | |
370 | ||
371 | tp->tx_bdb_head[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, | |
372 | sizeof(BDBlock) * tp->num_tx_bdbs[NON_MAC_QUEUE]); | |
373 | ||
374 | tp->tx_bdb_head[BUG_QUEUE] = (BDBlock *)smctr_malloc(dev, | |
375 | sizeof(BDBlock) * tp->num_tx_bdbs[BUG_QUEUE]); | |
376 | ||
377 | /* Allocate receive FCBs. */ | |
378 | tp->rx_fcb_head[MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, | |
379 | sizeof(FCBlock) * tp->num_rx_fcbs[MAC_QUEUE]); | |
380 | ||
381 | tp->rx_fcb_head[NON_MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, | |
382 | sizeof(FCBlock) * tp->num_rx_fcbs[NON_MAC_QUEUE]); | |
383 | ||
384 | /* Allocate receive BDBs. */ | |
385 | tp->rx_bdb_head[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, | |
386 | sizeof(BDBlock) * tp->num_rx_bdbs[MAC_QUEUE]); | |
387 | ||
388 | tp->rx_bdb_end[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 0); | |
389 | ||
390 | tp->rx_bdb_head[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, | |
391 | sizeof(BDBlock) * tp->num_rx_bdbs[NON_MAC_QUEUE]); | |
392 | ||
393 | tp->rx_bdb_end[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 0); | |
394 | ||
395 | /* Allocate MAC transmit buffers. | |
396 | * MAC Tx Buffers doen't have to be on an ODD Boundry. | |
397 | */ | |
398 | tp->tx_buff_head[MAC_QUEUE] | |
399 | = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[MAC_QUEUE]); | |
400 | tp->tx_buff_curr[MAC_QUEUE] = tp->tx_buff_head[MAC_QUEUE]; | |
401 | tp->tx_buff_end [MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); | |
402 | ||
403 | /* Allocate BUG transmit buffers. */ | |
404 | tp->tx_buff_head[BUG_QUEUE] | |
405 | = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[BUG_QUEUE]); | |
406 | tp->tx_buff_curr[BUG_QUEUE] = tp->tx_buff_head[BUG_QUEUE]; | |
407 | tp->tx_buff_end[BUG_QUEUE] = (__u16 *)smctr_malloc(dev, 0); | |
408 | ||
409 | /* Allocate MAC receive data buffers. | |
410 | * MAC Rx buffer doesn't have to be on a 256 byte boundary. | |
411 | */ | |
412 | tp->rx_buff_head[MAC_QUEUE] = (__u16 *)smctr_malloc(dev, | |
413 | RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[MAC_QUEUE]); | |
414 | tp->rx_buff_end[MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); | |
415 | ||
416 | /* Allocate Non-MAC transmit buffers. | |
417 | * ?? For maximum Netware performance, put Tx Buffers on | |
418 | * ODD Boundry and then restore malloc to Even Boundrys. | |
419 | */ | |
420 | smctr_malloc(dev, 1L); | |
421 | tp->tx_buff_head[NON_MAC_QUEUE] | |
422 | = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[NON_MAC_QUEUE]); | |
423 | tp->tx_buff_curr[NON_MAC_QUEUE] = tp->tx_buff_head[NON_MAC_QUEUE]; | |
424 | tp->tx_buff_end [NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); | |
425 | smctr_malloc(dev, 1L); | |
426 | ||
427 | /* Allocate Non-MAC receive data buffers. | |
428 | * To guarantee a minimum of 256 contigous memory to | |
429 | * UM_Receive_Packet's lookahead pointer, before a page | |
430 | * change or ring end is encountered, place each rx buffer on | |
431 | * a 256 byte boundary. | |
432 | */ | |
433 | smctr_malloc(dev, TO_256_BYTE_BOUNDRY(tp->sh_mem_used)); | |
434 | tp->rx_buff_head[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, | |
435 | RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[NON_MAC_QUEUE]); | |
436 | tp->rx_buff_end[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); | |
437 | ||
438 | return (0); | |
439 | } | |
440 | ||
441 | /* Enter Bypass state. */ | |
442 | static 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 | ||
454 | static 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 | ||
479 | static 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 | } | |
1fb9df5d | 534 | if (request_irq(dev->irq, smctr_interrupt, IRQF_SHARED, smctr_name, dev)) { |
1da177e4 LT |
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 | ||
631 | static 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 | ||
694 | static 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 | ||
703 | static 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 | */ | |
716 | static 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 | ||
752 | static int smctr_decode_firmware(struct net_device *dev) | |
753 | { | |
754 | struct net_local *tp = netdev_priv(dev); | |
755 | short bit = 0x80, shift = 12; | |
756 | DECODE_TREE_NODE *tree; | |
757 | short branch, tsize; | |
758 | __u16 buff = 0; | |
759 | long weight; | |
760 | __u8 *ucode; | |
761 | __u16 *mem; | |
762 | ||
763 | if(smctr_debug > 10) | |
764 | printk(KERN_DEBUG "%s: smctr_decode_firmware\n", dev->name); | |
765 | ||
766 | weight = *(long *)(tp->ptr_ucode + WEIGHT_OFFSET); | |
767 | tsize = *(__u8 *)(tp->ptr_ucode + TREE_SIZE_OFFSET); | |
768 | tree = (DECODE_TREE_NODE *)(tp->ptr_ucode + TREE_OFFSET); | |
769 | ucode = (__u8 *)(tp->ptr_ucode + TREE_OFFSET | |
770 | + (tsize * sizeof(DECODE_TREE_NODE))); | |
771 | mem = (__u16 *)(tp->ram_access); | |
772 | ||
773 | while(weight) | |
774 | { | |
775 | branch = ROOT; | |
776 | while((tree + branch)->tag != LEAF && weight) | |
777 | { | |
778 | branch = *ucode & bit ? (tree + branch)->llink | |
779 | : (tree + branch)->rlink; | |
780 | ||
781 | bit >>= 1; | |
782 | weight--; | |
783 | ||
784 | if(bit == 0) | |
785 | { | |
786 | bit = 0x80; | |
787 | ucode++; | |
788 | } | |
789 | } | |
790 | ||
791 | buff |= (tree + branch)->info << shift; | |
792 | shift -= 4; | |
793 | ||
794 | if(shift < 0) | |
795 | { | |
796 | *(mem++) = SWAP_BYTES(buff); | |
797 | buff = 0; | |
798 | shift = 12; | |
799 | } | |
800 | } | |
801 | ||
802 | /* The following assumes the Control Store Memory has | |
803 | * been initialized to zero. If the last partial word | |
804 | * is zero, it will not be written. | |
805 | */ | |
806 | if(buff) | |
807 | *(mem++) = SWAP_BYTES(buff); | |
808 | ||
809 | return (0); | |
810 | } | |
811 | ||
812 | static int smctr_disable_16bit(struct net_device *dev) | |
813 | { | |
814 | return (0); | |
815 | } | |
816 | ||
817 | /* | |
818 | * On Exit, Adapter is: | |
819 | * 1. TRC is in a reset state and un-initialized. | |
820 | * 2. Adapter memory is enabled. | |
821 | * 3. Control Store memory is out of context (-WCSS is 1). | |
822 | */ | |
823 | static int smctr_disable_adapter_ctrl_store(struct net_device *dev) | |
824 | { | |
825 | struct net_local *tp = netdev_priv(dev); | |
826 | int ioaddr = dev->base_addr; | |
827 | ||
828 | if(smctr_debug > 10) | |
829 | printk(KERN_DEBUG "%s: smctr_disable_adapter_ctrl_store\n", dev->name); | |
830 | ||
831 | tp->trc_mask |= CSR_WCSS; | |
832 | outb(tp->trc_mask, ioaddr + CSR); | |
833 | ||
834 | return (0); | |
835 | } | |
836 | ||
837 | static int smctr_disable_bic_int(struct net_device *dev) | |
838 | { | |
839 | struct net_local *tp = netdev_priv(dev); | |
840 | int ioaddr = dev->base_addr; | |
841 | ||
842 | tp->trc_mask = CSR_MSK_ALL | CSR_MSKCBUSY | |
843 | | CSR_MSKTINT | CSR_WCSS; | |
844 | outb(tp->trc_mask, ioaddr + CSR); | |
845 | ||
846 | return (0); | |
847 | } | |
848 | ||
849 | static int smctr_enable_16bit(struct net_device *dev) | |
850 | { | |
851 | struct net_local *tp = netdev_priv(dev); | |
852 | __u8 r; | |
853 | ||
854 | if(tp->adapter_bus == BUS_ISA16_TYPE) | |
855 | { | |
856 | r = inb(dev->base_addr + LAAR); | |
857 | outb((r | LAAR_MEM16ENB), dev->base_addr + LAAR); | |
858 | } | |
859 | ||
860 | return (0); | |
861 | } | |
862 | ||
863 | /* | |
864 | * To enable the adapter control store memory: | |
865 | * 1. Adapter must be in a RESET state. | |
866 | * 2. Adapter memory must be enabled. | |
867 | * 3. Control Store Memory is in context (-WCSS is 0). | |
868 | */ | |
869 | static int smctr_enable_adapter_ctrl_store(struct net_device *dev) | |
870 | { | |
871 | struct net_local *tp = netdev_priv(dev); | |
872 | int ioaddr = dev->base_addr; | |
873 | ||
874 | if(smctr_debug > 10) | |
875 | printk(KERN_DEBUG "%s: smctr_enable_adapter_ctrl_store\n", dev->name); | |
876 | ||
877 | smctr_set_trc_reset(ioaddr); | |
878 | smctr_enable_adapter_ram(dev); | |
879 | ||
880 | tp->trc_mask &= ~CSR_WCSS; | |
881 | outb(tp->trc_mask, ioaddr + CSR); | |
882 | ||
883 | return (0); | |
884 | } | |
885 | ||
886 | static int smctr_enable_adapter_ram(struct net_device *dev) | |
887 | { | |
888 | int ioaddr = dev->base_addr; | |
889 | __u8 r; | |
890 | ||
891 | if(smctr_debug > 10) | |
892 | printk(KERN_DEBUG "%s: smctr_enable_adapter_ram\n", dev->name); | |
893 | ||
894 | r = inb(ioaddr + MSR); | |
895 | outb(MSR_MEMB | r, ioaddr + MSR); | |
896 | ||
897 | return (0); | |
898 | } | |
899 | ||
900 | static int smctr_enable_bic_int(struct net_device *dev) | |
901 | { | |
902 | struct net_local *tp = netdev_priv(dev); | |
903 | int ioaddr = dev->base_addr; | |
904 | __u8 r; | |
905 | ||
906 | switch(tp->bic_type) | |
907 | { | |
908 | case (BIC_584_CHIP): | |
909 | tp->trc_mask = CSR_MSKCBUSY | CSR_WCSS; | |
910 | outb(tp->trc_mask, ioaddr + CSR); | |
911 | r = inb(ioaddr + IRR); | |
912 | outb(r | IRR_IEN, ioaddr + IRR); | |
913 | break; | |
914 | ||
915 | case (BIC_594_CHIP): | |
916 | tp->trc_mask = CSR_MSKCBUSY | CSR_WCSS; | |
917 | outb(tp->trc_mask, ioaddr + CSR); | |
918 | r = inb(ioaddr + IMCCR); | |
919 | outb(r | IMCCR_EIL, ioaddr + IMCCR); | |
920 | break; | |
921 | } | |
922 | ||
923 | return (0); | |
924 | } | |
925 | ||
926 | static int __init smctr_chk_isa(struct net_device *dev) | |
927 | { | |
928 | struct net_local *tp = netdev_priv(dev); | |
929 | int ioaddr = dev->base_addr; | |
930 | __u8 r1, r2, b, chksum = 0; | |
931 | __u16 r; | |
932 | int i; | |
933 | int err = -ENODEV; | |
934 | ||
935 | if(smctr_debug > 10) | |
936 | printk(KERN_DEBUG "%s: smctr_chk_isa %#4x\n", dev->name, ioaddr); | |
937 | ||
938 | if((ioaddr & 0x1F) != 0) | |
939 | goto out; | |
940 | ||
941 | /* Grab the region so that no one else tries to probe our ioports. */ | |
942 | if (!request_region(ioaddr, SMCTR_IO_EXTENT, smctr_name)) { | |
943 | err = -EBUSY; | |
944 | goto out; | |
945 | } | |
946 | ||
947 | /* Checksum SMC node address */ | |
948 | for(i = 0; i < 8; i++) | |
949 | { | |
950 | b = inb(ioaddr + LAR0 + i); | |
951 | chksum += b; | |
952 | } | |
953 | ||
954 | if (chksum != NODE_ADDR_CKSUM) | |
955 | goto out2; | |
956 | ||
957 | b = inb(ioaddr + BDID); | |
958 | if(b != BRD_ID_8115T) | |
959 | { | |
960 | printk(KERN_ERR "%s: The adapter found is not supported\n", dev->name); | |
961 | goto out2; | |
962 | } | |
963 | ||
964 | /* Check for 8115T Board ID */ | |
965 | r2 = 0; | |
966 | for(r = 0; r < 8; r++) | |
967 | { | |
968 | r1 = inb(ioaddr + 0x8 + r); | |
969 | r2 += r1; | |
970 | } | |
971 | ||
972 | /* value of RegF adds up the sum to 0xFF */ | |
973 | if((r2 != 0xFF) && (r2 != 0xEE)) | |
974 | goto out2; | |
975 | ||
976 | /* Get adapter ID */ | |
977 | tp->board_id = smctr_get_boardid(dev, 0); | |
978 | switch(tp->board_id & 0xffff) | |
979 | { | |
980 | case WD8115TA: | |
981 | smctr_model = "8115T/A"; | |
982 | break; | |
983 | ||
984 | case WD8115T: | |
985 | if(tp->extra_info & CHIP_REV_MASK) | |
986 | smctr_model = "8115T rev XE"; | |
987 | else | |
988 | smctr_model = "8115T rev XD"; | |
989 | break; | |
990 | ||
991 | default: | |
992 | smctr_model = "Unknown"; | |
993 | break; | |
994 | } | |
995 | ||
996 | /* Store BIC type. */ | |
997 | tp->bic_type = BIC_584_CHIP; | |
998 | tp->nic_type = NIC_825_CHIP; | |
999 | ||
1000 | /* Copy Ram Size */ | |
1001 | tp->ram_usable = CNFG_SIZE_16KB; | |
1002 | tp->ram_size = CNFG_SIZE_64KB; | |
1003 | ||
1004 | /* Get 58x Ram Base */ | |
1005 | r1 = inb(ioaddr); | |
1006 | r1 &= 0x3F; | |
1007 | ||
1008 | r2 = inb(ioaddr + CNFG_LAAR_584); | |
1009 | r2 &= CNFG_LAAR_MASK; | |
1010 | r2 <<= 3; | |
1011 | r2 |= ((r1 & 0x38) >> 3); | |
1012 | ||
1013 | tp->ram_base = ((__u32)r2 << 16) + (((__u32)(r1 & 0x7)) << 13); | |
1014 | ||
1015 | /* Get 584 Irq */ | |
1016 | r1 = 0; | |
1017 | r1 = inb(ioaddr + CNFG_ICR_583); | |
1018 | r1 &= CNFG_ICR_IR2_584; | |
1019 | ||
1020 | r2 = inb(ioaddr + CNFG_IRR_583); | |
1021 | r2 &= CNFG_IRR_IRQS; /* 0x60 */ | |
1022 | r2 >>= 5; | |
1023 | ||
1024 | switch(r2) | |
1025 | { | |
1026 | case 0: | |
1027 | if(r1 == 0) | |
1028 | dev->irq = 2; | |
1029 | else | |
1030 | dev->irq = 10; | |
1031 | break; | |
1032 | ||
1033 | case 1: | |
1034 | if(r1 == 0) | |
1035 | dev->irq = 3; | |
1036 | else | |
1037 | dev->irq = 11; | |
1038 | break; | |
1039 | ||
1040 | case 2: | |
1041 | if(r1 == 0) | |
1042 | { | |
1043 | if(tp->extra_info & ALTERNATE_IRQ_BIT) | |
1044 | dev->irq = 5; | |
1045 | else | |
1046 | dev->irq = 4; | |
1047 | } | |
1048 | else | |
1049 | dev->irq = 15; | |
1050 | break; | |
1051 | ||
1052 | case 3: | |
1053 | if(r1 == 0) | |
1054 | dev->irq = 7; | |
1055 | else | |
1056 | dev->irq = 4; | |
1057 | break; | |
1058 | ||
1059 | default: | |
1060 | printk(KERN_ERR "%s: No IRQ found aborting\n", dev->name); | |
1061 | goto out2; | |
1062 | } | |
1063 | ||
1fb9df5d | 1064 | if (request_irq(dev->irq, smctr_interrupt, IRQF_SHARED, smctr_name, dev)) |
1da177e4 LT |
1065 | goto out2; |
1066 | ||
1067 | /* Get 58x Rom Base */ | |
1068 | r1 = inb(ioaddr + CNFG_BIO_583); | |
1069 | r1 &= 0x3E; | |
1070 | r1 |= 0x40; | |
1071 | ||
1072 | tp->rom_base = (__u32)r1 << 13; | |
1073 | ||
1074 | /* Get 58x Rom Size */ | |
1075 | r1 = inb(ioaddr + CNFG_BIO_583); | |
1076 | r1 &= 0xC0; | |
1077 | if(r1 == 0) | |
1078 | tp->rom_size = ROM_DISABLE; | |
1079 | else | |
1080 | { | |
1081 | r1 >>= 6; | |
1082 | tp->rom_size = (__u16)CNFG_SIZE_8KB << r1; | |
1083 | } | |
1084 | ||
1085 | /* Get 58x Boot Status */ | |
1086 | r1 = inb(ioaddr + CNFG_GP2); | |
1087 | ||
1088 | tp->mode_bits &= (~BOOT_STATUS_MASK); | |
1089 | ||
1090 | if(r1 & CNFG_GP2_BOOT_NIBBLE) | |
1091 | tp->mode_bits |= BOOT_TYPE_1; | |
1092 | ||
1093 | /* Get 58x Zero Wait State */ | |
1094 | tp->mode_bits &= (~ZERO_WAIT_STATE_MASK); | |
1095 | ||
1096 | r1 = inb(ioaddr + CNFG_IRR_583); | |
1097 | ||
1098 | if(r1 & CNFG_IRR_ZWS) | |
1099 | tp->mode_bits |= ZERO_WAIT_STATE_8_BIT; | |
1100 | ||
1101 | if(tp->board_id & BOARD_16BIT) | |
1102 | { | |
1103 | r1 = inb(ioaddr + CNFG_LAAR_584); | |
1104 | ||
1105 | if(r1 & CNFG_LAAR_ZWS) | |
1106 | tp->mode_bits |= ZERO_WAIT_STATE_16_BIT; | |
1107 | } | |
1108 | ||
1109 | /* Get 584 Media Menu */ | |
1110 | tp->media_menu = 14; | |
1111 | r1 = inb(ioaddr + CNFG_IRR_583); | |
1112 | ||
1113 | tp->mode_bits &= 0xf8ff; /* (~CNFG_INTERFACE_TYPE_MASK) */ | |
1114 | if((tp->board_id & TOKEN_MEDIA) == TOKEN_MEDIA) | |
1115 | { | |
1116 | /* Get Advanced Features */ | |
1117 | if(((r1 & 0x6) >> 1) == 0x3) | |
1118 | tp->media_type |= MEDIA_UTP_16; | |
1119 | else | |
1120 | { | |
1121 | if(((r1 & 0x6) >> 1) == 0x2) | |
1122 | tp->media_type |= MEDIA_STP_16; | |
1123 | else | |
1124 | { | |
1125 | if(((r1 & 0x6) >> 1) == 0x1) | |
1126 | tp->media_type |= MEDIA_UTP_4; | |
1127 | ||
1128 | else | |
1129 | tp->media_type |= MEDIA_STP_4; | |
1130 | } | |
1131 | } | |
1132 | ||
1133 | r1 = inb(ioaddr + CNFG_GP2); | |
1134 | if(!(r1 & 0x2) ) /* GP2_ETRD */ | |
1135 | tp->mode_bits |= EARLY_TOKEN_REL; | |
1136 | ||
1137 | /* see if the chip is corrupted | |
1138 | if(smctr_read_584_chksum(ioaddr)) | |
1139 | { | |
1140 | printk(KERN_ERR "%s: EEPROM Checksum Failure\n", dev->name); | |
1141 | free_irq(dev->irq, dev); | |
1142 | goto out2; | |
1143 | } | |
1144 | */ | |
1145 | } | |
1146 | ||
1147 | return (0); | |
1148 | ||
1149 | out2: | |
1150 | release_region(ioaddr, SMCTR_IO_EXTENT); | |
1151 | out: | |
1152 | return err; | |
1153 | } | |
1154 | ||
1155 | static int __init smctr_get_boardid(struct net_device *dev, int mca) | |
1156 | { | |
1157 | struct net_local *tp = netdev_priv(dev); | |
1158 | int ioaddr = dev->base_addr; | |
1159 | __u8 r, r1, IdByte; | |
1160 | __u16 BoardIdMask; | |
1161 | ||
1162 | tp->board_id = BoardIdMask = 0; | |
1163 | ||
1164 | if(mca) | |
1165 | { | |
1166 | BoardIdMask |= (MICROCHANNEL+INTERFACE_CHIP+TOKEN_MEDIA+PAGED_RAM+BOARD_16BIT); | |
1167 | tp->extra_info |= (INTERFACE_594_CHIP+RAM_SIZE_64K+NIC_825_BIT+ALTERNATE_IRQ_BIT+SLOT_16BIT); | |
1168 | } | |
1169 | else | |
1170 | { | |
1171 | BoardIdMask|=(INTERFACE_CHIP+TOKEN_MEDIA+PAGED_RAM+BOARD_16BIT); | |
1172 | tp->extra_info |= (INTERFACE_584_CHIP + RAM_SIZE_64K | |
1173 | + NIC_825_BIT + ALTERNATE_IRQ_BIT); | |
1174 | } | |
1175 | ||
1176 | if(!mca) | |
1177 | { | |
1178 | r = inb(ioaddr + BID_REG_1); | |
1179 | r &= 0x0c; | |
1180 | outb(r, ioaddr + BID_REG_1); | |
1181 | r = inb(ioaddr + BID_REG_1); | |
1182 | ||
1183 | if(r & BID_SIXTEEN_BIT_BIT) | |
1184 | { | |
1185 | tp->extra_info |= SLOT_16BIT; | |
1186 | tp->adapter_bus = BUS_ISA16_TYPE; | |
1187 | } | |
1188 | else | |
1189 | tp->adapter_bus = BUS_ISA8_TYPE; | |
1190 | } | |
1191 | else | |
1192 | tp->adapter_bus = BUS_MCA_TYPE; | |
1193 | ||
1194 | /* Get Board Id Byte */ | |
1195 | IdByte = inb(ioaddr + BID_BOARD_ID_BYTE); | |
1196 | ||
1197 | /* if Major version > 1.0 then | |
1198 | * return; | |
1199 | */ | |
1200 | if(IdByte & 0xF8) | |
1201 | return (-1); | |
1202 | ||
1203 | r1 = inb(ioaddr + BID_REG_1); | |
1204 | r1 &= BID_ICR_MASK; | |
1205 | r1 |= BID_OTHER_BIT; | |
1206 | ||
1207 | outb(r1, ioaddr + BID_REG_1); | |
1208 | r1 = inb(ioaddr + BID_REG_3); | |
1209 | ||
1210 | r1 &= BID_EAR_MASK; | |
1211 | r1 |= BID_ENGR_PAGE; | |
1212 | ||
1213 | outb(r1, ioaddr + BID_REG_3); | |
1214 | r1 = inb(ioaddr + BID_REG_1); | |
1215 | r1 &= BID_ICR_MASK; | |
1216 | r1 |= (BID_RLA | BID_OTHER_BIT); | |
1217 | ||
1218 | outb(r1, ioaddr + BID_REG_1); | |
1219 | ||
1220 | r1 = inb(ioaddr + BID_REG_1); | |
1221 | while(r1 & BID_RECALL_DONE_MASK) | |
1222 | r1 = inb(ioaddr + BID_REG_1); | |
1223 | ||
1224 | r = inb(ioaddr + BID_LAR_0 + BID_REG_6); | |
1225 | ||
1226 | /* clear chip rev bits */ | |
1227 | tp->extra_info &= ~CHIP_REV_MASK; | |
1228 | tp->extra_info |= ((r & BID_EEPROM_CHIP_REV_MASK) << 6); | |
1229 | ||
1230 | r1 = inb(ioaddr + BID_REG_1); | |
1231 | r1 &= BID_ICR_MASK; | |
1232 | r1 |= BID_OTHER_BIT; | |
1233 | ||
1234 | outb(r1, ioaddr + BID_REG_1); | |
1235 | r1 = inb(ioaddr + BID_REG_3); | |
1236 | ||
1237 | r1 &= BID_EAR_MASK; | |
1238 | r1 |= BID_EA6; | |
1239 | ||
1240 | outb(r1, ioaddr + BID_REG_3); | |
1241 | r1 = inb(ioaddr + BID_REG_1); | |
1242 | ||
1243 | r1 &= BID_ICR_MASK; | |
1244 | r1 |= BID_RLA; | |
1245 | ||
1246 | outb(r1, ioaddr + BID_REG_1); | |
1247 | r1 = inb(ioaddr + BID_REG_1); | |
1248 | ||
1249 | while(r1 & BID_RECALL_DONE_MASK) | |
1250 | r1 = inb(ioaddr + BID_REG_1); | |
1251 | ||
1252 | return (BoardIdMask); | |
1253 | } | |
1254 | ||
1255 | static int smctr_get_group_address(struct net_device *dev) | |
1256 | { | |
1257 | smctr_issue_read_word_cmd(dev, RW_INDIVIDUAL_GROUP_ADDR); | |
1258 | ||
1259 | return(smctr_wait_cmd(dev)); | |
1260 | } | |
1261 | ||
1262 | static int smctr_get_functional_address(struct net_device *dev) | |
1263 | { | |
1264 | smctr_issue_read_word_cmd(dev, RW_FUNCTIONAL_ADDR); | |
1265 | ||
1266 | return(smctr_wait_cmd(dev)); | |
1267 | } | |
1268 | ||
1269 | /* Calculate number of Non-MAC receive BDB's and data buffers. | |
1270 | * This function must simulate allocateing shared memory exactly | |
1271 | * as the allocate_shared_memory function above. | |
1272 | */ | |
1273 | static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev) | |
1274 | { | |
1275 | struct net_local *tp = netdev_priv(dev); | |
1276 | unsigned int mem_used = 0; | |
1277 | ||
1278 | /* Allocate System Control Blocks. */ | |
1279 | mem_used += sizeof(SCGBlock); | |
1280 | ||
1281 | mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); | |
1282 | mem_used += sizeof(SCLBlock); | |
1283 | ||
1284 | mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); | |
1285 | mem_used += sizeof(ACBlock) * tp->num_acbs; | |
1286 | ||
1287 | mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); | |
1288 | mem_used += sizeof(ISBlock); | |
1289 | ||
1290 | mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); | |
1291 | mem_used += MISC_DATA_SIZE; | |
1292 | ||
1293 | /* Allocate transmit FCB's. */ | |
1294 | mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); | |
1295 | ||
1296 | mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[MAC_QUEUE]; | |
1297 | mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[NON_MAC_QUEUE]; | |
1298 | mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[BUG_QUEUE]; | |
1299 | ||
1300 | /* Allocate transmit BDBs. */ | |
1301 | mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[MAC_QUEUE]; | |
1302 | mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[NON_MAC_QUEUE]; | |
1303 | mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[BUG_QUEUE]; | |
1304 | ||
1305 | /* Allocate receive FCBs. */ | |
1306 | mem_used += sizeof(FCBlock) * tp->num_rx_fcbs[MAC_QUEUE]; | |
1307 | mem_used += sizeof(FCBlock) * tp->num_rx_fcbs[NON_MAC_QUEUE]; | |
1308 | ||
1309 | /* Allocate receive BDBs. */ | |
1310 | mem_used += sizeof(BDBlock) * tp->num_rx_bdbs[MAC_QUEUE]; | |
1311 | ||
1312 | /* Allocate MAC transmit buffers. | |
1313 | * MAC transmit buffers don't have to be on an ODD Boundry. | |
1314 | */ | |
1315 | mem_used += tp->tx_buff_size[MAC_QUEUE]; | |
1316 | ||
1317 | /* Allocate BUG transmit buffers. */ | |
1318 | mem_used += tp->tx_buff_size[BUG_QUEUE]; | |
1319 | ||
1320 | /* Allocate MAC receive data buffers. | |
1321 | * MAC receive buffers don't have to be on a 256 byte boundary. | |
1322 | */ | |
1323 | mem_used += RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[MAC_QUEUE]; | |
1324 | ||
1325 | /* Allocate Non-MAC transmit buffers. | |
1326 | * For maximum Netware performance, put Tx Buffers on | |
1327 | * ODD Boundry,and then restore malloc to Even Boundrys. | |
1328 | */ | |
1329 | mem_used += 1L; | |
1330 | mem_used += tp->tx_buff_size[NON_MAC_QUEUE]; | |
1331 | mem_used += 1L; | |
1332 | ||
1333 | /* CALCULATE NUMBER OF NON-MAC RX BDB'S | |
1334 | * AND NON-MAC RX DATA BUFFERS | |
1335 | * | |
1336 | * Make sure the mem_used offset at this point is the | |
1337 | * same as in allocate_shared memory or the following | |
1338 | * boundary adjustment will be incorrect (i.e. not allocating | |
1339 | * the non-mac receive buffers above cannot change the 256 | |
1340 | * byte offset). | |
1341 | * | |
1342 | * Since this cannot be guaranteed, adding the full 256 bytes | |
1343 | * to the amount of shared memory used at this point will guaranteed | |
1344 | * that the rx data buffers do not overflow shared memory. | |
1345 | */ | |
1346 | mem_used += 0x100; | |
1347 | ||
1348 | return((0xffff - mem_used) / (RX_DATA_BUFFER_SIZE + sizeof(BDBlock))); | |
1349 | } | |
1350 | ||
1351 | static int smctr_get_physical_drop_number(struct net_device *dev) | |
1352 | { | |
1353 | smctr_issue_read_word_cmd(dev, RW_PHYSICAL_DROP_NUMBER); | |
1354 | ||
1355 | return(smctr_wait_cmd(dev)); | |
1356 | } | |
1357 | ||
1358 | static __u8 * smctr_get_rx_pointer(struct net_device *dev, short queue) | |
1359 | { | |
1360 | struct net_local *tp = netdev_priv(dev); | |
1361 | BDBlock *bdb; | |
1362 | ||
1363 | bdb = (BDBlock *)((__u32)tp->ram_access | |
1364 | + (__u32)(tp->rx_fcb_curr[queue]->trc_bdb_ptr)); | |
1365 | ||
1366 | tp->rx_fcb_curr[queue]->bdb_ptr = bdb; | |
1367 | ||
1368 | return ((__u8 *)bdb->data_block_ptr); | |
1369 | } | |
1370 | ||
1371 | static int smctr_get_station_id(struct net_device *dev) | |
1372 | { | |
1373 | smctr_issue_read_word_cmd(dev, RW_INDIVIDUAL_MAC_ADDRESS); | |
1374 | ||
1375 | return(smctr_wait_cmd(dev)); | |
1376 | } | |
1377 | ||
1378 | /* | |
1379 | * Get the current statistics. This may be called with the card open | |
1380 | * or closed. | |
1381 | */ | |
1382 | static struct net_device_stats *smctr_get_stats(struct net_device *dev) | |
1383 | { | |
1384 | struct net_local *tp = netdev_priv(dev); | |
1385 | ||
1386 | return ((struct net_device_stats *)&tp->MacStat); | |
1387 | } | |
1388 | ||
1389 | static FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue, | |
1390 | __u16 bytes_count) | |
1391 | { | |
1392 | struct net_local *tp = netdev_priv(dev); | |
1393 | FCBlock *pFCB; | |
1394 | BDBlock *pbdb; | |
1395 | unsigned short alloc_size; | |
1396 | unsigned short *temp; | |
1397 | ||
1398 | if(smctr_debug > 20) | |
1399 | printk(KERN_DEBUG "smctr_get_tx_fcb\n"); | |
1400 | ||
1401 | /* check if there is enough FCB blocks */ | |
1402 | if(tp->num_tx_fcbs_used[queue] >= tp->num_tx_fcbs[queue]) | |
1403 | return ((FCBlock *)(-1L)); | |
1404 | ||
1405 | /* round off the input pkt size to the nearest even number */ | |
1406 | alloc_size = (bytes_count + 1) & 0xfffe; | |
1407 | ||
1408 | /* check if enough mem */ | |
1409 | if((tp->tx_buff_used[queue] + alloc_size) > tp->tx_buff_size[queue]) | |
1410 | return ((FCBlock *)(-1L)); | |
1411 | ||
1412 | /* check if past the end ; | |
1413 | * if exactly enough mem to end of ring, alloc from front. | |
1414 | * this avoids update of curr when curr = end | |
1415 | */ | |
1416 | if(((unsigned long)(tp->tx_buff_curr[queue]) + alloc_size) | |
1417 | >= (unsigned long)(tp->tx_buff_end[queue])) | |
1418 | { | |
1419 | /* check if enough memory from ring head */ | |
1420 | alloc_size = alloc_size + | |
1421 | (__u16)((__u32)tp->tx_buff_end[queue] | |
1422 | - (__u32)tp->tx_buff_curr[queue]); | |
1423 | ||
1424 | if((tp->tx_buff_used[queue] + alloc_size) | |
1425 | > tp->tx_buff_size[queue]) | |
1426 | { | |
1427 | return ((FCBlock *)(-1L)); | |
1428 | } | |
1429 | ||
1430 | /* ring wrap */ | |
1431 | tp->tx_buff_curr[queue] = tp->tx_buff_head[queue]; | |
1432 | } | |
1433 | ||
1434 | tp->tx_buff_used[queue] += alloc_size; | |
1435 | tp->num_tx_fcbs_used[queue]++; | |
1436 | tp->tx_fcb_curr[queue]->frame_length = bytes_count; | |
1437 | tp->tx_fcb_curr[queue]->memory_alloc = alloc_size; | |
1438 | temp = tp->tx_buff_curr[queue]; | |
1439 | tp->tx_buff_curr[queue] | |
1440 | = (__u16 *)((__u32)temp + (__u32)((bytes_count + 1) & 0xfffe)); | |
1441 | ||
1442 | pbdb = tp->tx_fcb_curr[queue]->bdb_ptr; | |
1443 | pbdb->buffer_length = bytes_count; | |
1444 | pbdb->data_block_ptr = temp; | |
1445 | pbdb->trc_data_block_ptr = TRC_POINTER(temp); | |
1446 | ||
1447 | pFCB = tp->tx_fcb_curr[queue]; | |
1448 | tp->tx_fcb_curr[queue] = tp->tx_fcb_curr[queue]->next_ptr; | |
1449 | ||
1450 | return (pFCB); | |
1451 | } | |
1452 | ||
1453 | static int smctr_get_upstream_neighbor_addr(struct net_device *dev) | |
1454 | { | |
1455 | smctr_issue_read_word_cmd(dev, RW_UPSTREAM_NEIGHBOR_ADDRESS); | |
1456 | ||
1457 | return(smctr_wait_cmd(dev)); | |
1458 | } | |
1459 | ||
1460 | static int smctr_hardware_send_packet(struct net_device *dev, | |
1461 | struct net_local *tp) | |
1462 | { | |
1463 | struct tr_statistics *tstat = &tp->MacStat; | |
1464 | struct sk_buff *skb; | |
1465 | FCBlock *fcb; | |
1466 | ||
1467 | if(smctr_debug > 10) | |
1468 | printk(KERN_DEBUG"%s: smctr_hardware_send_packet\n", dev->name); | |
1469 | ||
1470 | if(tp->status != OPEN) | |
1471 | return (-1); | |
1472 | ||
1473 | if(tp->monitor_state_ready != 1) | |
1474 | return (-1); | |
1475 | ||
1476 | for(;;) | |
1477 | { | |
1478 | /* Send first buffer from queue */ | |
1479 | skb = skb_dequeue(&tp->SendSkbQueue); | |
1480 | if(skb == NULL) | |
1481 | return (-1); | |
1482 | ||
1483 | tp->QueueSkb++; | |
1484 | ||
1485 | if(skb->len < SMC_HEADER_SIZE || skb->len > tp->max_packet_size) return (-1); | |
1486 | ||
1487 | smctr_enable_16bit(dev); | |
1488 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
1489 | ||
1490 | if((fcb = smctr_get_tx_fcb(dev, NON_MAC_QUEUE, skb->len)) | |
1491 | == (FCBlock *)(-1L)) | |
1492 | { | |
1493 | smctr_disable_16bit(dev); | |
1494 | return (-1); | |
1495 | } | |
1496 | ||
1497 | smctr_tx_move_frame(dev, skb, | |
1498 | (__u8 *)fcb->bdb_ptr->data_block_ptr, skb->len); | |
1499 | ||
1500 | smctr_set_page(dev, (__u8 *)fcb); | |
1501 | ||
1502 | smctr_trc_send_packet(dev, fcb, NON_MAC_QUEUE); | |
1503 | dev_kfree_skb(skb); | |
1504 | ||
1505 | tstat->tx_packets++; | |
1506 | ||
1507 | smctr_disable_16bit(dev); | |
1508 | } | |
1509 | ||
1510 | return (0); | |
1511 | } | |
1512 | ||
1513 | static int smctr_init_acbs(struct net_device *dev) | |
1514 | { | |
1515 | struct net_local *tp = netdev_priv(dev); | |
1516 | unsigned int i; | |
1517 | ACBlock *acb; | |
1518 | ||
1519 | if(smctr_debug > 10) | |
1520 | printk(KERN_DEBUG "%s: smctr_init_acbs\n", dev->name); | |
1521 | ||
1522 | acb = tp->acb_head; | |
1523 | acb->cmd_done_status = (ACB_COMMAND_DONE | ACB_COMMAND_SUCCESSFUL); | |
1524 | acb->cmd_info = ACB_CHAIN_END; | |
1525 | acb->cmd = 0; | |
1526 | acb->subcmd = 0; | |
1527 | acb->data_offset_lo = 0; | |
1528 | acb->data_offset_hi = 0; | |
1529 | acb->next_ptr | |
1530 | = (ACBlock *)(((char *)acb) + sizeof(ACBlock)); | |
1531 | acb->trc_next_ptr = TRC_POINTER(acb->next_ptr); | |
1532 | ||
1533 | for(i = 1; i < tp->num_acbs; i++) | |
1534 | { | |
1535 | acb = acb->next_ptr; | |
1536 | acb->cmd_done_status | |
1537 | = (ACB_COMMAND_DONE | ACB_COMMAND_SUCCESSFUL); | |
1538 | acb->cmd_info = ACB_CHAIN_END; | |
1539 | acb->cmd = 0; | |
1540 | acb->subcmd = 0; | |
1541 | acb->data_offset_lo = 0; | |
1542 | acb->data_offset_hi = 0; | |
1543 | acb->next_ptr | |
1544 | = (ACBlock *)(((char *)acb) + sizeof(ACBlock)); | |
1545 | acb->trc_next_ptr = TRC_POINTER(acb->next_ptr); | |
1546 | } | |
1547 | ||
1548 | acb->next_ptr = tp->acb_head; | |
1549 | acb->trc_next_ptr = TRC_POINTER(tp->acb_head); | |
1550 | tp->acb_next = tp->acb_head->next_ptr; | |
1551 | tp->acb_curr = tp->acb_head->next_ptr; | |
1552 | tp->num_acbs_used = 0; | |
1553 | ||
1554 | return (0); | |
1555 | } | |
1556 | ||
1557 | static int smctr_init_adapter(struct net_device *dev) | |
1558 | { | |
1559 | struct net_local *tp = netdev_priv(dev); | |
1560 | int err; | |
1561 | ||
1562 | if(smctr_debug > 10) | |
1563 | printk(KERN_DEBUG "%s: smctr_init_adapter\n", dev->name); | |
1564 | ||
1565 | tp->status = CLOSED; | |
1566 | tp->page_offset_mask = (tp->ram_usable * 1024) - 1; | |
1567 | skb_queue_head_init(&tp->SendSkbQueue); | |
1568 | tp->QueueSkb = MAX_TX_QUEUE; | |
1569 | ||
1570 | if(!(tp->group_address_0 & 0x0080)) | |
1571 | tp->group_address_0 |= 0x00C0; | |
1572 | ||
1573 | if(!(tp->functional_address_0 & 0x00C0)) | |
1574 | tp->functional_address_0 |= 0x00C0; | |
1575 | ||
1576 | tp->functional_address[0] &= 0xFF7F; | |
1577 | ||
1578 | if(tp->authorized_function_classes == 0) | |
1579 | tp->authorized_function_classes = 0x7FFF; | |
1580 | ||
1581 | if(tp->authorized_access_priority == 0) | |
1582 | tp->authorized_access_priority = 0x06; | |
1583 | ||
1584 | smctr_disable_bic_int(dev); | |
1585 | smctr_set_trc_reset(dev->base_addr); | |
1586 | ||
1587 | smctr_enable_16bit(dev); | |
1588 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
1589 | ||
1590 | if(smctr_checksum_firmware(dev)) | |
1591 | { | |
1592 | printk(KERN_ERR "%s: Previously loaded firmware is missing\n",dev->name); return (-ENOENT); | |
1593 | } | |
1594 | ||
1595 | if((err = smctr_ram_memory_test(dev))) | |
1596 | { | |
1597 | printk(KERN_ERR "%s: RAM memory test failed.\n", dev->name); | |
1598 | return (-EIO); | |
1599 | } | |
1600 | ||
1601 | smctr_set_rx_look_ahead(dev); | |
1602 | smctr_load_node_addr(dev); | |
1603 | ||
1604 | /* Initialize adapter for Internal Self Test. */ | |
1605 | smctr_reset_adapter(dev); | |
1606 | if((err = smctr_init_card_real(dev))) | |
1607 | { | |
1608 | printk(KERN_ERR "%s: Initialization of card failed (%d)\n", | |
1609 | dev->name, err); | |
1610 | return (-EINVAL); | |
1611 | } | |
1612 | ||
1613 | /* This routine clobbers the TRC's internal registers. */ | |
1614 | if((err = smctr_internal_self_test(dev))) | |
1615 | { | |
1616 | printk(KERN_ERR "%s: Card failed internal self test (%d)\n", | |
1617 | dev->name, err); | |
1618 | return (-EINVAL); | |
1619 | } | |
1620 | ||
1621 | /* Re-Initialize adapter's internal registers */ | |
1622 | smctr_reset_adapter(dev); | |
1623 | if((err = smctr_init_card_real(dev))) | |
1624 | { | |
1625 | printk(KERN_ERR "%s: Initialization of card failed (%d)\n", | |
1626 | dev->name, err); | |
1627 | return (-EINVAL); | |
1628 | } | |
1629 | ||
1630 | smctr_enable_bic_int(dev); | |
1631 | ||
1632 | if((err = smctr_issue_enable_int_cmd(dev, TRC_INTERRUPT_ENABLE_MASK))) | |
1633 | return (err); | |
1634 | ||
1635 | smctr_disable_16bit(dev); | |
1636 | ||
1637 | return (0); | |
1638 | } | |
1639 | ||
1640 | static int smctr_init_card_real(struct net_device *dev) | |
1641 | { | |
1642 | struct net_local *tp = netdev_priv(dev); | |
1643 | int err = 0; | |
1644 | ||
1645 | if(smctr_debug > 10) | |
1646 | printk(KERN_DEBUG "%s: smctr_init_card_real\n", dev->name); | |
1647 | ||
1648 | tp->sh_mem_used = 0; | |
1649 | tp->num_acbs = NUM_OF_ACBS; | |
1650 | ||
1651 | /* Range Check Max Packet Size */ | |
1652 | if(tp->max_packet_size < 256) | |
1653 | tp->max_packet_size = 256; | |
1654 | else | |
1655 | { | |
1656 | if(tp->max_packet_size > NON_MAC_TX_BUFFER_MEMORY) | |
1657 | tp->max_packet_size = NON_MAC_TX_BUFFER_MEMORY; | |
1658 | } | |
1659 | ||
1660 | tp->num_of_tx_buffs = (NON_MAC_TX_BUFFER_MEMORY | |
1661 | / tp->max_packet_size) - 1; | |
1662 | ||
1663 | if(tp->num_of_tx_buffs > NUM_NON_MAC_TX_FCBS) | |
1664 | tp->num_of_tx_buffs = NUM_NON_MAC_TX_FCBS; | |
1665 | else | |
1666 | { | |
1667 | if(tp->num_of_tx_buffs == 0) | |
1668 | tp->num_of_tx_buffs = 1; | |
1669 | } | |
1670 | ||
1671 | /* Tx queue constants */ | |
1672 | tp->num_tx_fcbs [BUG_QUEUE] = NUM_BUG_TX_FCBS; | |
1673 | tp->num_tx_bdbs [BUG_QUEUE] = NUM_BUG_TX_BDBS; | |
1674 | tp->tx_buff_size [BUG_QUEUE] = BUG_TX_BUFFER_MEMORY; | |
1675 | tp->tx_buff_used [BUG_QUEUE] = 0; | |
1676 | tp->tx_queue_status [BUG_QUEUE] = NOT_TRANSMITING; | |
1677 | ||
1678 | tp->num_tx_fcbs [MAC_QUEUE] = NUM_MAC_TX_FCBS; | |
1679 | tp->num_tx_bdbs [MAC_QUEUE] = NUM_MAC_TX_BDBS; | |
1680 | tp->tx_buff_size [MAC_QUEUE] = MAC_TX_BUFFER_MEMORY; | |
1681 | tp->tx_buff_used [MAC_QUEUE] = 0; | |
1682 | tp->tx_queue_status [MAC_QUEUE] = NOT_TRANSMITING; | |
1683 | ||
1684 | tp->num_tx_fcbs [NON_MAC_QUEUE] = NUM_NON_MAC_TX_FCBS; | |
1685 | tp->num_tx_bdbs [NON_MAC_QUEUE] = NUM_NON_MAC_TX_BDBS; | |
1686 | tp->tx_buff_size [NON_MAC_QUEUE] = NON_MAC_TX_BUFFER_MEMORY; | |
1687 | tp->tx_buff_used [NON_MAC_QUEUE] = 0; | |
1688 | tp->tx_queue_status [NON_MAC_QUEUE] = NOT_TRANSMITING; | |
1689 | ||
1690 | /* Receive Queue Constants */ | |
1691 | tp->num_rx_fcbs[MAC_QUEUE] = NUM_MAC_RX_FCBS; | |
1692 | tp->num_rx_bdbs[MAC_QUEUE] = NUM_MAC_RX_BDBS; | |
1693 | ||
1694 | if(tp->extra_info & CHIP_REV_MASK) | |
1695 | tp->num_rx_fcbs[NON_MAC_QUEUE] = 78; /* 825 Rev. XE */ | |
1696 | else | |
1697 | tp->num_rx_fcbs[NON_MAC_QUEUE] = 7; /* 825 Rev. XD */ | |
1698 | ||
1699 | tp->num_rx_bdbs[NON_MAC_QUEUE] = smctr_get_num_rx_bdbs(dev); | |
1700 | ||
1701 | smctr_alloc_shared_memory(dev); | |
1702 | smctr_init_shared_memory(dev); | |
1703 | ||
1704 | if((err = smctr_issue_init_timers_cmd(dev))) | |
1705 | return (err); | |
1706 | ||
1707 | if((err = smctr_issue_init_txrx_cmd(dev))) | |
1708 | { | |
1709 | printk(KERN_ERR "%s: Hardware failure\n", dev->name); | |
1710 | return (err); | |
1711 | } | |
1712 | ||
1713 | return (0); | |
1714 | } | |
1715 | ||
1716 | static int smctr_init_rx_bdbs(struct net_device *dev) | |
1717 | { | |
1718 | struct net_local *tp = netdev_priv(dev); | |
1719 | unsigned int i, j; | |
1720 | BDBlock *bdb; | |
1721 | __u16 *buf; | |
1722 | ||
1723 | if(smctr_debug > 10) | |
1724 | printk(KERN_DEBUG "%s: smctr_init_rx_bdbs\n", dev->name); | |
1725 | ||
1726 | for(i = 0; i < NUM_RX_QS_USED; i++) | |
1727 | { | |
1728 | bdb = tp->rx_bdb_head[i]; | |
1729 | buf = tp->rx_buff_head[i]; | |
1730 | bdb->info = (BDB_CHAIN_END | BDB_NO_WARNING); | |
1731 | bdb->buffer_length = RX_DATA_BUFFER_SIZE; | |
1732 | bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); | |
1733 | bdb->data_block_ptr = buf; | |
1734 | bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); | |
1735 | ||
1736 | if(i == NON_MAC_QUEUE) | |
1737 | bdb->trc_data_block_ptr = RX_BUFF_TRC_POINTER(buf); | |
1738 | else | |
1739 | bdb->trc_data_block_ptr = TRC_POINTER(buf); | |
1740 | ||
1741 | for(j = 1; j < tp->num_rx_bdbs[i]; j++) | |
1742 | { | |
1743 | bdb->next_ptr->back_ptr = bdb; | |
1744 | bdb = bdb->next_ptr; | |
1745 | buf = (__u16 *)((char *)buf + RX_DATA_BUFFER_SIZE); | |
1746 | bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); | |
1747 | bdb->buffer_length = RX_DATA_BUFFER_SIZE; | |
1748 | bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); | |
1749 | bdb->data_block_ptr = buf; | |
1750 | bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); | |
1751 | ||
1752 | if(i == NON_MAC_QUEUE) | |
1753 | bdb->trc_data_block_ptr = RX_BUFF_TRC_POINTER(buf); | |
1754 | else | |
1755 | bdb->trc_data_block_ptr = TRC_POINTER(buf); | |
1756 | } | |
1757 | ||
1758 | bdb->next_ptr = tp->rx_bdb_head[i]; | |
1759 | bdb->trc_next_ptr = TRC_POINTER(tp->rx_bdb_head[i]); | |
1760 | ||
1761 | tp->rx_bdb_head[i]->back_ptr = bdb; | |
1762 | tp->rx_bdb_curr[i] = tp->rx_bdb_head[i]->next_ptr; | |
1763 | } | |
1764 | ||
1765 | return (0); | |
1766 | } | |
1767 | ||
1768 | static int smctr_init_rx_fcbs(struct net_device *dev) | |
1769 | { | |
1770 | struct net_local *tp = netdev_priv(dev); | |
1771 | unsigned int i, j; | |
1772 | FCBlock *fcb; | |
1773 | ||
1774 | for(i = 0; i < NUM_RX_QS_USED; i++) | |
1775 | { | |
1776 | fcb = tp->rx_fcb_head[i]; | |
1777 | fcb->frame_status = 0; | |
1778 | fcb->frame_length = 0; | |
1779 | fcb->info = FCB_CHAIN_END; | |
1780 | fcb->next_ptr = (FCBlock *)(((char*)fcb) + sizeof(FCBlock)); | |
1781 | if(i == NON_MAC_QUEUE) | |
1782 | fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr); | |
1783 | else | |
1784 | fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); | |
1785 | ||
1786 | for(j = 1; j < tp->num_rx_fcbs[i]; j++) | |
1787 | { | |
1788 | fcb->next_ptr->back_ptr = fcb; | |
1789 | fcb = fcb->next_ptr; | |
1790 | fcb->frame_status = 0; | |
1791 | fcb->frame_length = 0; | |
1792 | fcb->info = FCB_WARNING; | |
1793 | fcb->next_ptr | |
1794 | = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); | |
1795 | ||
1796 | if(i == NON_MAC_QUEUE) | |
1797 | fcb->trc_next_ptr | |
1798 | = RX_FCB_TRC_POINTER(fcb->next_ptr); | |
1799 | else | |
1800 | fcb->trc_next_ptr | |
1801 | = TRC_POINTER(fcb->next_ptr); | |
1802 | } | |
1803 | ||
1804 | fcb->next_ptr = tp->rx_fcb_head[i]; | |
1805 | ||
1806 | if(i == NON_MAC_QUEUE) | |
1807 | fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr); | |
1808 | else | |
1809 | fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); | |
1810 | ||
1811 | tp->rx_fcb_head[i]->back_ptr = fcb; | |
1812 | tp->rx_fcb_curr[i] = tp->rx_fcb_head[i]->next_ptr; | |
1813 | } | |
1814 | ||
1815 | return(0); | |
1816 | } | |
1817 | ||
1818 | static int smctr_init_shared_memory(struct net_device *dev) | |
1819 | { | |
1820 | struct net_local *tp = netdev_priv(dev); | |
1821 | unsigned int i; | |
1822 | __u32 *iscpb; | |
1823 | ||
1824 | if(smctr_debug > 10) | |
1825 | printk(KERN_DEBUG "%s: smctr_init_shared_memory\n", dev->name); | |
1826 | ||
1827 | smctr_set_page(dev, (__u8 *)(unsigned int)tp->iscpb_ptr); | |
1828 | ||
1829 | /* Initialize Initial System Configuration Point. (ISCP) */ | |
1830 | iscpb = (__u32 *)PAGE_POINTER(&tp->iscpb_ptr->trc_scgb_ptr); | |
1831 | *iscpb = (__u32)(SWAP_WORDS(TRC_POINTER(tp->scgb_ptr))); | |
1832 | ||
1833 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
1834 | ||
1835 | /* Initialize System Configuration Pointers. (SCP) */ | |
1836 | tp->scgb_ptr->config = (SCGB_ADDRESS_POINTER_FORMAT | |
1837 | | SCGB_MULTI_WORD_CONTROL | SCGB_DATA_FORMAT | |
1838 | | SCGB_BURST_LENGTH); | |
1839 | ||
1840 | tp->scgb_ptr->trc_sclb_ptr = TRC_POINTER(tp->sclb_ptr); | |
1841 | tp->scgb_ptr->trc_acb_ptr = TRC_POINTER(tp->acb_head); | |
1842 | tp->scgb_ptr->trc_isb_ptr = TRC_POINTER(tp->isb_ptr); | |
1843 | tp->scgb_ptr->isbsiz = (sizeof(ISBlock)) - 2; | |
1844 | ||
1845 | /* Initialize System Control Block. (SCB) */ | |
1846 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_NOP; | |
1847 | tp->sclb_ptr->iack_code = 0; | |
1848 | tp->sclb_ptr->resume_control = 0; | |
1849 | tp->sclb_ptr->int_mask_control = 0; | |
1850 | tp->sclb_ptr->int_mask_state = 0; | |
1851 | ||
1852 | /* Initialize Interrupt Status Block. (ISB) */ | |
1853 | for(i = 0; i < NUM_OF_INTERRUPTS; i++) | |
1854 | { | |
1855 | tp->isb_ptr->IStatus[i].IType = 0xf0; | |
1856 | tp->isb_ptr->IStatus[i].ISubtype = 0; | |
1857 | } | |
1858 | ||
1859 | tp->current_isb_index = 0; | |
1860 | ||
1861 | /* Initialize Action Command Block. (ACB) */ | |
1862 | smctr_init_acbs(dev); | |
1863 | ||
1864 | /* Initialize transmit FCB's and BDB's. */ | |
1865 | smctr_link_tx_fcbs_to_bdbs(dev); | |
1866 | smctr_init_tx_bdbs(dev); | |
1867 | smctr_init_tx_fcbs(dev); | |
1868 | ||
1869 | /* Initialize receive FCB's and BDB's. */ | |
1870 | smctr_init_rx_bdbs(dev); | |
1871 | smctr_init_rx_fcbs(dev); | |
1872 | ||
1873 | return (0); | |
1874 | } | |
1875 | ||
1876 | static int smctr_init_tx_bdbs(struct net_device *dev) | |
1877 | { | |
1878 | struct net_local *tp = netdev_priv(dev); | |
1879 | unsigned int i, j; | |
1880 | BDBlock *bdb; | |
1881 | ||
1882 | for(i = 0; i < NUM_TX_QS_USED; i++) | |
1883 | { | |
1884 | bdb = tp->tx_bdb_head[i]; | |
1885 | bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); | |
1886 | bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); | |
1887 | bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); | |
1888 | ||
1889 | for(j = 1; j < tp->num_tx_bdbs[i]; j++) | |
1890 | { | |
1891 | bdb->next_ptr->back_ptr = bdb; | |
1892 | bdb = bdb->next_ptr; | |
1893 | bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); | |
1894 | bdb->next_ptr | |
1895 | = (BDBlock *)(((char *)bdb) + sizeof( BDBlock)); bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); | |
1896 | } | |
1897 | ||
1898 | bdb->next_ptr = tp->tx_bdb_head[i]; | |
1899 | bdb->trc_next_ptr = TRC_POINTER(tp->tx_bdb_head[i]); | |
1900 | tp->tx_bdb_head[i]->back_ptr = bdb; | |
1901 | } | |
1902 | ||
1903 | return (0); | |
1904 | } | |
1905 | ||
1906 | static int smctr_init_tx_fcbs(struct net_device *dev) | |
1907 | { | |
1908 | struct net_local *tp = netdev_priv(dev); | |
1909 | unsigned int i, j; | |
1910 | FCBlock *fcb; | |
1911 | ||
1912 | for(i = 0; i < NUM_TX_QS_USED; i++) | |
1913 | { | |
1914 | fcb = tp->tx_fcb_head[i]; | |
1915 | fcb->frame_status = 0; | |
1916 | fcb->frame_length = 0; | |
1917 | fcb->info = FCB_CHAIN_END; | |
1918 | fcb->next_ptr = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); | |
1919 | fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); | |
1920 | ||
1921 | for(j = 1; j < tp->num_tx_fcbs[i]; j++) | |
1922 | { | |
1923 | fcb->next_ptr->back_ptr = fcb; | |
1924 | fcb = fcb->next_ptr; | |
1925 | fcb->frame_status = 0; | |
1926 | fcb->frame_length = 0; | |
1927 | fcb->info = FCB_CHAIN_END; | |
1928 | fcb->next_ptr | |
1929 | = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); | |
1930 | fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); | |
1931 | } | |
1932 | ||
1933 | fcb->next_ptr = tp->tx_fcb_head[i]; | |
1934 | fcb->trc_next_ptr = TRC_POINTER(tp->tx_fcb_head[i]); | |
1935 | ||
1936 | tp->tx_fcb_head[i]->back_ptr = fcb; | |
1937 | tp->tx_fcb_end[i] = tp->tx_fcb_head[i]->next_ptr; | |
1938 | tp->tx_fcb_curr[i] = tp->tx_fcb_head[i]->next_ptr; | |
1939 | tp->num_tx_fcbs_used[i] = 0; | |
1940 | } | |
1941 | ||
1942 | return (0); | |
1943 | } | |
1944 | ||
1945 | static int smctr_internal_self_test(struct net_device *dev) | |
1946 | { | |
1947 | struct net_local *tp = netdev_priv(dev); | |
1948 | int err; | |
1949 | ||
1950 | if((err = smctr_issue_test_internal_rom_cmd(dev))) | |
1951 | return (err); | |
1952 | ||
1953 | if((err = smctr_wait_cmd(dev))) | |
1954 | return (err); | |
1955 | ||
1956 | if(tp->acb_head->cmd_done_status & 0xff) | |
1957 | return (-1); | |
1958 | ||
1959 | if((err = smctr_issue_test_hic_cmd(dev))) | |
1960 | return (err); | |
1961 | ||
1962 | if((err = smctr_wait_cmd(dev))) | |
1963 | return (err); | |
1964 | ||
1965 | if(tp->acb_head->cmd_done_status & 0xff) | |
1966 | return (-1); | |
1967 | ||
1968 | if((err = smctr_issue_test_mac_reg_cmd(dev))) | |
1969 | return (err); | |
1970 | ||
1971 | if((err = smctr_wait_cmd(dev))) | |
1972 | return (err); | |
1973 | ||
1974 | if(tp->acb_head->cmd_done_status & 0xff) | |
1975 | return (-1); | |
1976 | ||
1977 | return (0); | |
1978 | } | |
1979 | ||
1980 | /* | |
1981 | * The typical workload of the driver: Handle the network interface interrupts. | |
1982 | */ | |
1983 | static irqreturn_t smctr_interrupt(int irq, void *dev_id, struct pt_regs *regs) | |
1984 | { | |
1985 | struct net_device *dev = dev_id; | |
1986 | struct net_local *tp; | |
1987 | int ioaddr; | |
1988 | __u16 interrupt_unmask_bits = 0, interrupt_ack_code = 0xff00; | |
1989 | __u16 err1, err = NOT_MY_INTERRUPT; | |
1990 | __u8 isb_type, isb_subtype; | |
1991 | __u16 isb_index; | |
1992 | ||
1993 | if(dev == NULL) | |
1994 | { | |
1995 | printk(KERN_CRIT "%s: irq %d for unknown device.\n", dev->name, irq); | |
1996 | return IRQ_NONE; | |
1997 | } | |
1998 | ||
1999 | ioaddr = dev->base_addr; | |
2000 | tp = netdev_priv(dev); | |
2001 | ||
2002 | ||
2003 | if(tp->status == NOT_INITIALIZED) | |
2004 | return IRQ_NONE; | |
2005 | ||
2006 | spin_lock(&tp->lock); | |
2007 | ||
2008 | smctr_disable_bic_int(dev); | |
2009 | smctr_enable_16bit(dev); | |
2010 | ||
2011 | smctr_clear_int(dev); | |
2012 | ||
2013 | /* First read the LSB */ | |
2014 | while((tp->isb_ptr->IStatus[tp->current_isb_index].IType & 0xf0) == 0) | |
2015 | { | |
2016 | isb_index = tp->current_isb_index; | |
2017 | isb_type = tp->isb_ptr->IStatus[isb_index].IType; | |
2018 | isb_subtype = tp->isb_ptr->IStatus[isb_index].ISubtype; | |
2019 | ||
2020 | (tp->current_isb_index)++; | |
2021 | if(tp->current_isb_index == NUM_OF_INTERRUPTS) | |
2022 | tp->current_isb_index = 0; | |
2023 | ||
2024 | if(isb_type >= 0x10) | |
2025 | { | |
2026 | smctr_disable_16bit(dev); | |
2027 | spin_unlock(&tp->lock); | |
2028 | return IRQ_HANDLED; | |
2029 | } | |
2030 | ||
2031 | err = HARDWARE_FAILED; | |
2032 | interrupt_ack_code = isb_index; | |
2033 | tp->isb_ptr->IStatus[isb_index].IType |= 0xf0; | |
2034 | ||
2035 | interrupt_unmask_bits |= (1 << (__u16)isb_type); | |
2036 | ||
2037 | switch(isb_type) | |
2038 | { | |
2039 | case ISB_IMC_MAC_TYPE_3: | |
2040 | smctr_disable_16bit(dev); | |
2041 | ||
2042 | switch(isb_subtype) | |
2043 | { | |
2044 | case 0: | |
2045 | tp->monitor_state = MS_MONITOR_FSM_INACTIVE; | |
2046 | break; | |
2047 | ||
2048 | case 1: | |
2049 | tp->monitor_state = MS_REPEAT_BEACON_STATE; | |
2050 | break; | |
2051 | ||
2052 | case 2: | |
2053 | tp->monitor_state = MS_REPEAT_CLAIM_TOKEN_STATE; | |
2054 | break; | |
2055 | ||
2056 | case 3: | |
2057 | tp->monitor_state = MS_TRANSMIT_CLAIM_TOKEN_STATE; break; | |
2058 | ||
2059 | case 4: | |
2060 | tp->monitor_state = MS_STANDBY_MONITOR_STATE; | |
2061 | break; | |
2062 | ||
2063 | case 5: | |
2064 | tp->monitor_state = MS_TRANSMIT_BEACON_STATE; | |
2065 | break; | |
2066 | ||
2067 | case 6: | |
2068 | tp->monitor_state = MS_ACTIVE_MONITOR_STATE; | |
2069 | break; | |
2070 | ||
2071 | case 7: | |
2072 | tp->monitor_state = MS_TRANSMIT_RING_PURGE_STATE; | |
2073 | break; | |
2074 | ||
2075 | case 8: /* diagnostic state */ | |
2076 | break; | |
2077 | ||
2078 | case 9: | |
2079 | tp->monitor_state = MS_BEACON_TEST_STATE; | |
2080 | if(smctr_lobe_media_test(dev)) | |
2081 | { | |
2082 | tp->ring_status_flags = RING_STATUS_CHANGED; | |
2083 | tp->ring_status = AUTO_REMOVAL_ERROR; | |
2084 | smctr_ring_status_chg(dev); | |
2085 | smctr_bypass_state(dev); | |
2086 | } | |
2087 | else | |
2088 | smctr_issue_insert_cmd(dev); | |
2089 | break; | |
2090 | ||
2091 | /* case 0x0a-0xff, illegal states */ | |
2092 | default: | |
2093 | break; | |
2094 | } | |
2095 | ||
2096 | tp->ring_status_flags = MONITOR_STATE_CHANGED; | |
2097 | err = smctr_ring_status_chg(dev); | |
2098 | ||
2099 | smctr_enable_16bit(dev); | |
2100 | break; | |
2101 | ||
2102 | /* Type 0x02 - MAC Error Counters Interrupt | |
2103 | * One or more MAC Error Counter is half full | |
2104 | * MAC Error Counters | |
2105 | * Lost_FR_Error_Counter | |
2106 | * RCV_Congestion_Counter | |
2107 | * FR_copied_Error_Counter | |
2108 | * FREQ_Error_Counter | |
2109 | * Token_Error_Counter | |
2110 | * Line_Error_Counter | |
2111 | * Internal_Error_Count | |
2112 | */ | |
2113 | case ISB_IMC_MAC_ERROR_COUNTERS: | |
2114 | /* Read 802.5 Error Counters */ | |
2115 | err = smctr_issue_read_ring_status_cmd(dev); | |
2116 | break; | |
2117 | ||
2118 | /* Type 0x04 - MAC Type 2 Interrupt | |
2119 | * HOST needs to enqueue MAC Frame for transmission | |
2120 | * SubType Bit 15 - RQ_INIT_PDU( Request Initialization) * Changed from RQ_INIT_PDU to | |
2121 | * TRC_Status_Changed_Indicate | |
2122 | */ | |
2123 | case ISB_IMC_MAC_TYPE_2: | |
2124 | err = smctr_issue_read_ring_status_cmd(dev); | |
2125 | break; | |
2126 | ||
2127 | ||
2128 | /* Type 0x05 - TX Frame Interrupt (FI). */ | |
2129 | case ISB_IMC_TX_FRAME: | |
2130 | /* BUG QUEUE for TRC stuck receive BUG */ | |
2131 | if(isb_subtype & TX_PENDING_PRIORITY_2) | |
2132 | { | |
2133 | if((err = smctr_tx_complete(dev, BUG_QUEUE)) != SUCCESS) | |
2134 | break; | |
2135 | } | |
2136 | ||
2137 | /* NON-MAC frames only */ | |
2138 | if(isb_subtype & TX_PENDING_PRIORITY_1) | |
2139 | { | |
2140 | if((err = smctr_tx_complete(dev, NON_MAC_QUEUE)) != SUCCESS) | |
2141 | break; | |
2142 | } | |
2143 | ||
2144 | /* MAC frames only */ | |
2145 | if(isb_subtype & TX_PENDING_PRIORITY_0) | |
2146 | err = smctr_tx_complete(dev, MAC_QUEUE); break; | |
2147 | ||
2148 | /* Type 0x06 - TX END OF QUEUE (FE) */ | |
2149 | case ISB_IMC_END_OF_TX_QUEUE: | |
2150 | /* BUG queue */ | |
2151 | if(isb_subtype & TX_PENDING_PRIORITY_2) | |
2152 | { | |
2153 | /* ok to clear Receive FIFO overrun | |
2154 | * imask send_BUG now completes. | |
2155 | */ | |
2156 | interrupt_unmask_bits |= 0x800; | |
2157 | ||
2158 | tp->tx_queue_status[BUG_QUEUE] = NOT_TRANSMITING; | |
2159 | if((err = smctr_tx_complete(dev, BUG_QUEUE)) != SUCCESS) | |
2160 | break; | |
2161 | if((err = smctr_restart_tx_chain(dev, BUG_QUEUE)) != SUCCESS) | |
2162 | break; | |
2163 | } | |
2164 | ||
2165 | /* NON-MAC queue only */ | |
2166 | if(isb_subtype & TX_PENDING_PRIORITY_1) | |
2167 | { | |
2168 | tp->tx_queue_status[NON_MAC_QUEUE] = NOT_TRANSMITING; | |
2169 | if((err = smctr_tx_complete(dev, NON_MAC_QUEUE)) != SUCCESS) | |
2170 | break; | |
2171 | if((err = smctr_restart_tx_chain(dev, NON_MAC_QUEUE)) != SUCCESS) | |
2172 | break; | |
2173 | } | |
2174 | ||
2175 | /* MAC queue only */ | |
2176 | if(isb_subtype & TX_PENDING_PRIORITY_0) | |
2177 | { | |
2178 | tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; | |
2179 | if((err = smctr_tx_complete(dev, MAC_QUEUE)) != SUCCESS) | |
2180 | break; | |
2181 | ||
2182 | err = smctr_restart_tx_chain(dev, MAC_QUEUE); | |
2183 | } | |
2184 | break; | |
2185 | ||
2186 | /* Type 0x07 - NON-MAC RX Resource Interrupt | |
2187 | * Subtype bit 12 - (BW) BDB warning | |
2188 | * Subtype bit 13 - (FW) FCB warning | |
2189 | * Subtype bit 14 - (BE) BDB End of chain | |
2190 | * Subtype bit 15 - (FE) FCB End of chain | |
2191 | */ | |
2192 | case ISB_IMC_NON_MAC_RX_RESOURCE: | |
2193 | tp->rx_fifo_overrun_count = 0; | |
2194 | tp->receive_queue_number = NON_MAC_QUEUE; | |
2195 | err1 = smctr_rx_frame(dev); | |
2196 | ||
2197 | if(isb_subtype & NON_MAC_RX_RESOURCE_FE) | |
2198 | { | |
2199 | if((err = smctr_issue_resume_rx_fcb_cmd( dev, NON_MAC_QUEUE)) != SUCCESS) break; | |
2200 | ||
2201 | if(tp->ptr_rx_fcb_overruns) | |
2202 | (*tp->ptr_rx_fcb_overruns)++; | |
2203 | } | |
2204 | ||
2205 | if(isb_subtype & NON_MAC_RX_RESOURCE_BE) | |
2206 | { | |
2207 | if((err = smctr_issue_resume_rx_bdb_cmd( dev, NON_MAC_QUEUE)) != SUCCESS) break; | |
2208 | ||
2209 | if(tp->ptr_rx_bdb_overruns) | |
2210 | (*tp->ptr_rx_bdb_overruns)++; | |
2211 | } | |
2212 | err = err1; | |
2213 | break; | |
2214 | ||
2215 | /* Type 0x08 - MAC RX Resource Interrupt | |
2216 | * Subtype bit 12 - (BW) BDB warning | |
2217 | * Subtype bit 13 - (FW) FCB warning | |
2218 | * Subtype bit 14 - (BE) BDB End of chain | |
2219 | * Subtype bit 15 - (FE) FCB End of chain | |
2220 | */ | |
2221 | case ISB_IMC_MAC_RX_RESOURCE: | |
2222 | tp->receive_queue_number = MAC_QUEUE; | |
2223 | err1 = smctr_rx_frame(dev); | |
2224 | ||
2225 | if(isb_subtype & MAC_RX_RESOURCE_FE) | |
2226 | { | |
2227 | if((err = smctr_issue_resume_rx_fcb_cmd( dev, MAC_QUEUE)) != SUCCESS) | |
2228 | break; | |
2229 | ||
2230 | if(tp->ptr_rx_fcb_overruns) | |
2231 | (*tp->ptr_rx_fcb_overruns)++; | |
2232 | } | |
2233 | ||
2234 | if(isb_subtype & MAC_RX_RESOURCE_BE) | |
2235 | { | |
2236 | if((err = smctr_issue_resume_rx_bdb_cmd( dev, MAC_QUEUE)) != SUCCESS) | |
2237 | break; | |
2238 | ||
2239 | if(tp->ptr_rx_bdb_overruns) | |
2240 | (*tp->ptr_rx_bdb_overruns)++; | |
2241 | } | |
2242 | err = err1; | |
2243 | break; | |
2244 | ||
2245 | /* Type 0x09 - NON_MAC RX Frame Interrupt */ | |
2246 | case ISB_IMC_NON_MAC_RX_FRAME: | |
2247 | tp->rx_fifo_overrun_count = 0; | |
2248 | tp->receive_queue_number = NON_MAC_QUEUE; | |
2249 | err = smctr_rx_frame(dev); | |
2250 | break; | |
2251 | ||
2252 | /* Type 0x0A - MAC RX Frame Interrupt */ | |
2253 | case ISB_IMC_MAC_RX_FRAME: | |
2254 | tp->receive_queue_number = MAC_QUEUE; | |
2255 | err = smctr_rx_frame(dev); | |
2256 | break; | |
2257 | ||
2258 | /* Type 0x0B - TRC status | |
2259 | * TRC has encountered an error condition | |
2260 | * subtype bit 14 - transmit FIFO underrun | |
2261 | * subtype bit 15 - receive FIFO overrun | |
2262 | */ | |
2263 | case ISB_IMC_TRC_FIFO_STATUS: | |
2264 | if(isb_subtype & TRC_FIFO_STATUS_TX_UNDERRUN) | |
2265 | { | |
2266 | if(tp->ptr_tx_fifo_underruns) | |
2267 | (*tp->ptr_tx_fifo_underruns)++; | |
2268 | } | |
2269 | ||
2270 | if(isb_subtype & TRC_FIFO_STATUS_RX_OVERRUN) | |
2271 | { | |
2272 | /* update overrun stuck receive counter | |
2273 | * if >= 3, has to clear it by sending | |
2274 | * back to back frames. We pick | |
2275 | * DAT(duplicate address MAC frame) | |
2276 | */ | |
2277 | tp->rx_fifo_overrun_count++; | |
2278 | ||
2279 | if(tp->rx_fifo_overrun_count >= 3) | |
2280 | { | |
2281 | tp->rx_fifo_overrun_count = 0; | |
2282 | ||
2283 | /* delay clearing fifo overrun | |
2284 | * imask till send_BUG tx | |
2285 | * complete posted | |
2286 | */ | |
2287 | interrupt_unmask_bits &= (~0x800); | |
2288 | printk(KERN_CRIT "Jay please send bug\n");// smctr_send_bug(dev); | |
2289 | } | |
2290 | ||
2291 | if(tp->ptr_rx_fifo_overruns) | |
2292 | (*tp->ptr_rx_fifo_overruns)++; | |
2293 | } | |
2294 | ||
2295 | err = SUCCESS; | |
2296 | break; | |
2297 | ||
2298 | /* Type 0x0C - Action Command Status Interrupt | |
2299 | * Subtype bit 14 - CB end of command chain (CE) | |
2300 | * Subtype bit 15 - CB command interrupt (CI) | |
2301 | */ | |
2302 | case ISB_IMC_COMMAND_STATUS: | |
2303 | err = SUCCESS; | |
2304 | if(tp->acb_head->cmd == ACB_CMD_HIC_NOP) | |
2305 | { | |
2306 | printk(KERN_ERR "i1\n"); | |
2307 | smctr_disable_16bit(dev); | |
2308 | ||
2309 | /* XXXXXXXXXXXXXXXXX */ | |
2310 | /* err = UM_Interrupt(dev); */ | |
2311 | ||
2312 | smctr_enable_16bit(dev); | |
2313 | } | |
2314 | else | |
2315 | { | |
2316 | if((tp->acb_head->cmd | |
2317 | == ACB_CMD_READ_TRC_STATUS) | |
2318 | && (tp->acb_head->subcmd | |
2319 | == RW_TRC_STATUS_BLOCK)) | |
2320 | { | |
2321 | if(tp->ptr_bcn_type != 0) | |
2322 | { | |
2323 | *(tp->ptr_bcn_type) | |
2324 | = (__u32)((SBlock *)tp->misc_command_data)->BCN_Type; | |
2325 | } | |
2326 | ||
2327 | if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & ERROR_COUNTERS_CHANGED) | |
2328 | { | |
2329 | smctr_update_err_stats(dev); | |
2330 | } | |
2331 | ||
2332 | if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & TI_NDIS_RING_STATUS_CHANGED) | |
2333 | { | |
2334 | tp->ring_status | |
2335 | = ((SBlock*)tp->misc_command_data)->TI_NDIS_Ring_Status; | |
2336 | smctr_disable_16bit(dev); | |
2337 | err = smctr_ring_status_chg(dev); | |
2338 | smctr_enable_16bit(dev); | |
2339 | if((tp->ring_status & REMOVE_RECEIVED) | |
2340 | && (tp->config_word0 & NO_AUTOREMOVE)) | |
2341 | { | |
2342 | smctr_issue_remove_cmd(dev); | |
2343 | } | |
2344 | ||
2345 | if(err != SUCCESS) | |
2346 | { | |
2347 | tp->acb_pending = 0; | |
2348 | break; | |
2349 | } | |
2350 | } | |
2351 | ||
2352 | if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & UNA_CHANGED) | |
2353 | { | |
2354 | if(tp->ptr_una) | |
2355 | { | |
2356 | tp->ptr_una[0] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[0]); | |
2357 | tp->ptr_una[1] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[1]); | |
2358 | tp->ptr_una[2] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[2]); | |
2359 | } | |
2360 | ||
2361 | } | |
2362 | ||
2363 | if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & READY_TO_SEND_RQ_INIT) { | |
2364 | err = smctr_send_rq_init(dev); | |
2365 | } | |
2366 | } | |
2367 | } | |
2368 | ||
2369 | tp->acb_pending = 0; | |
2370 | break; | |
2371 | ||
2372 | /* Type 0x0D - MAC Type 1 interrupt | |
2373 | * Subtype -- 00 FR_BCN received at S12 | |
2374 | * 01 FR_BCN received at S21 | |
2375 | * 02 FR_DAT(DA=MA, A<>0) received at S21 | |
2376 | * 03 TSM_EXP at S21 | |
2377 | * 04 FR_REMOVE received at S42 | |
2378 | * 05 TBR_EXP, BR_FLAG_SET at S42 | |
2379 | * 06 TBT_EXP at S53 | |
2380 | */ | |
2381 | case ISB_IMC_MAC_TYPE_1: | |
2382 | if(isb_subtype > 8) | |
2383 | { | |
2384 | err = HARDWARE_FAILED; | |
2385 | break; | |
2386 | } | |
2387 | ||
2388 | err = SUCCESS; | |
2389 | switch(isb_subtype) | |
2390 | { | |
2391 | case 0: | |
2392 | tp->join_state = JS_BYPASS_STATE; | |
2393 | if(tp->status != CLOSED) | |
2394 | { | |
2395 | tp->status = CLOSED; | |
2396 | err = smctr_status_chg(dev); | |
2397 | } | |
2398 | break; | |
2399 | ||
2400 | case 1: | |
2401 | tp->join_state = JS_LOBE_TEST_STATE; | |
2402 | break; | |
2403 | ||
2404 | case 2: | |
2405 | tp->join_state = JS_DETECT_MONITOR_PRESENT_STATE; | |
2406 | break; | |
2407 | ||
2408 | case 3: | |
2409 | tp->join_state = JS_AWAIT_NEW_MONITOR_STATE; | |
2410 | break; | |
2411 | ||
2412 | case 4: | |
2413 | tp->join_state = JS_DUPLICATE_ADDRESS_TEST_STATE; | |
2414 | break; | |
2415 | ||
2416 | case 5: | |
2417 | tp->join_state = JS_NEIGHBOR_NOTIFICATION_STATE; | |
2418 | break; | |
2419 | ||
2420 | case 6: | |
2421 | tp->join_state = JS_REQUEST_INITIALIZATION_STATE; | |
2422 | break; | |
2423 | ||
2424 | case 7: | |
2425 | tp->join_state = JS_JOIN_COMPLETE_STATE; | |
2426 | tp->status = OPEN; | |
2427 | err = smctr_status_chg(dev); | |
2428 | break; | |
2429 | ||
2430 | case 8: | |
2431 | tp->join_state = JS_BYPASS_WAIT_STATE; | |
2432 | break; | |
2433 | } | |
2434 | break ; | |
2435 | ||
2436 | /* Type 0x0E - TRC Initialization Sequence Interrupt | |
2437 | * Subtype -- 00-FF Initializatin sequence complete | |
2438 | */ | |
2439 | case ISB_IMC_TRC_INTRNL_TST_STATUS: | |
2440 | tp->status = INITIALIZED; | |
2441 | smctr_disable_16bit(dev); | |
2442 | err = smctr_status_chg(dev); | |
2443 | smctr_enable_16bit(dev); | |
2444 | break; | |
2445 | ||
2446 | /* other interrupt types, illegal */ | |
2447 | default: | |
2448 | break; | |
2449 | } | |
2450 | ||
2451 | if(err != SUCCESS) | |
2452 | break; | |
2453 | } | |
2454 | ||
2455 | /* Checking the ack code instead of the unmask bits here is because : | |
2456 | * while fixing the stuck receive, DAT frame are sent and mask off | |
2457 | * FIFO overrun interrupt temporarily (interrupt_unmask_bits = 0) | |
2458 | * but we still want to issue ack to ISB | |
2459 | */ | |
2460 | if(!(interrupt_ack_code & 0xff00)) | |
2461 | smctr_issue_int_ack(dev, interrupt_ack_code, interrupt_unmask_bits); | |
2462 | ||
2463 | smctr_disable_16bit(dev); | |
2464 | smctr_enable_bic_int(dev); | |
2465 | spin_unlock(&tp->lock); | |
2466 | ||
2467 | return IRQ_HANDLED; | |
2468 | } | |
2469 | ||
2470 | static int smctr_issue_enable_int_cmd(struct net_device *dev, | |
2471 | __u16 interrupt_enable_mask) | |
2472 | { | |
2473 | struct net_local *tp = netdev_priv(dev); | |
2474 | int err; | |
2475 | ||
2476 | if((err = smctr_wait_while_cbusy(dev))) | |
2477 | return (err); | |
2478 | ||
2479 | tp->sclb_ptr->int_mask_control = interrupt_enable_mask; | |
2480 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_CLEAR_INTERRUPT_MASK; | |
2481 | ||
2482 | smctr_set_ctrl_attention(dev); | |
2483 | ||
2484 | return (0); | |
2485 | } | |
2486 | ||
2487 | static int smctr_issue_int_ack(struct net_device *dev, __u16 iack_code, __u16 ibits) | |
2488 | { | |
2489 | struct net_local *tp = netdev_priv(dev); | |
2490 | ||
2491 | if(smctr_wait_while_cbusy(dev)) | |
2492 | return (-1); | |
2493 | ||
2494 | tp->sclb_ptr->int_mask_control = ibits; | |
2495 | tp->sclb_ptr->iack_code = iack_code << 1; /* use the offset from base */ tp->sclb_ptr->resume_control = 0; | |
2496 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_IACK_CODE_VALID | SCLB_CMD_CLEAR_INTERRUPT_MASK; | |
2497 | ||
2498 | smctr_set_ctrl_attention(dev); | |
2499 | ||
2500 | return (0); | |
2501 | } | |
2502 | ||
2503 | static int smctr_issue_init_timers_cmd(struct net_device *dev) | |
2504 | { | |
2505 | struct net_local *tp = netdev_priv(dev); | |
2506 | unsigned int i; | |
2507 | int err; | |
2508 | __u16 *pTimer_Struc = (__u16 *)tp->misc_command_data; | |
2509 | ||
2510 | if((err = smctr_wait_while_cbusy(dev))) | |
2511 | return (err); | |
2512 | ||
2513 | if((err = smctr_wait_cmd(dev))) | |
2514 | return (err); | |
2515 | ||
2516 | tp->config_word0 = THDREN | DMA_TRIGGER | USETPT | NO_AUTOREMOVE; | |
2517 | tp->config_word1 = 0; | |
2518 | ||
2519 | if((tp->media_type == MEDIA_STP_16) | |
2520 | || (tp->media_type == MEDIA_UTP_16) | |
2521 | || (tp->media_type == MEDIA_STP_16_UTP_16)) | |
2522 | { | |
2523 | tp->config_word0 |= FREQ_16MB_BIT; | |
2524 | } | |
2525 | ||
2526 | if(tp->mode_bits & EARLY_TOKEN_REL) | |
2527 | tp->config_word0 |= ETREN; | |
2528 | ||
2529 | if(tp->mode_bits & LOOPING_MODE_MASK) | |
2530 | tp->config_word0 |= RX_OWN_BIT; | |
2531 | else | |
2532 | tp->config_word0 &= ~RX_OWN_BIT; | |
2533 | ||
2534 | if(tp->receive_mask & PROMISCUOUS_MODE) | |
2535 | tp->config_word0 |= PROMISCUOUS_BIT; | |
2536 | else | |
2537 | tp->config_word0 &= ~PROMISCUOUS_BIT; | |
2538 | ||
2539 | if(tp->receive_mask & ACCEPT_ERR_PACKETS) | |
2540 | tp->config_word0 |= SAVBAD_BIT; | |
2541 | else | |
2542 | tp->config_word0 &= ~SAVBAD_BIT; | |
2543 | ||
2544 | if(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) | |
2545 | tp->config_word0 |= RXATMAC; | |
2546 | else | |
2547 | tp->config_word0 &= ~RXATMAC; | |
2548 | ||
2549 | if(tp->receive_mask & ACCEPT_MULTI_PROM) | |
2550 | tp->config_word1 |= MULTICAST_ADDRESS_BIT; | |
2551 | else | |
2552 | tp->config_word1 &= ~MULTICAST_ADDRESS_BIT; | |
2553 | ||
2554 | if(tp->receive_mask & ACCEPT_SOURCE_ROUTING_SPANNING) | |
2555 | tp->config_word1 |= SOURCE_ROUTING_SPANNING_BITS; | |
2556 | else | |
2557 | { | |
2558 | if(tp->receive_mask & ACCEPT_SOURCE_ROUTING) | |
2559 | tp->config_word1 |= SOURCE_ROUTING_EXPLORER_BIT; | |
2560 | else | |
2561 | tp->config_word1 &= ~SOURCE_ROUTING_SPANNING_BITS; | |
2562 | } | |
2563 | ||
2564 | if((tp->media_type == MEDIA_STP_16) | |
2565 | || (tp->media_type == MEDIA_UTP_16) | |
2566 | || (tp->media_type == MEDIA_STP_16_UTP_16)) | |
2567 | { | |
2568 | tp->config_word1 |= INTERFRAME_SPACING_16; | |
2569 | } | |
2570 | else | |
2571 | tp->config_word1 |= INTERFRAME_SPACING_4; | |
2572 | ||
2573 | *pTimer_Struc++ = tp->config_word0; | |
2574 | *pTimer_Struc++ = tp->config_word1; | |
2575 | ||
2576 | if((tp->media_type == MEDIA_STP_4) | |
2577 | || (tp->media_type == MEDIA_UTP_4) | |
2578 | || (tp->media_type == MEDIA_STP_4_UTP_4)) | |
2579 | { | |
2580 | *pTimer_Struc++ = 0x00FA; /* prescale */ | |
2581 | *pTimer_Struc++ = 0x2710; /* TPT_limit */ | |
2582 | *pTimer_Struc++ = 0x2710; /* TQP_limit */ | |
2583 | *pTimer_Struc++ = 0x0A28; /* TNT_limit */ | |
2584 | *pTimer_Struc++ = 0x3E80; /* TBT_limit */ | |
2585 | *pTimer_Struc++ = 0x3A98; /* TSM_limit */ | |
2586 | *pTimer_Struc++ = 0x1B58; /* TAM_limit */ | |
2587 | *pTimer_Struc++ = 0x00C8; /* TBR_limit */ | |
2588 | *pTimer_Struc++ = 0x07D0; /* TER_limit */ | |
2589 | *pTimer_Struc++ = 0x000A; /* TGT_limit */ | |
2590 | *pTimer_Struc++ = 0x1162; /* THT_limit */ | |
2591 | *pTimer_Struc++ = 0x07D0; /* TRR_limit */ | |
2592 | *pTimer_Struc++ = 0x1388; /* TVX_limit */ | |
2593 | *pTimer_Struc++ = 0x0000; /* reserved */ | |
2594 | } | |
2595 | else | |
2596 | { | |
2597 | *pTimer_Struc++ = 0x03E8; /* prescale */ | |
2598 | *pTimer_Struc++ = 0x9C40; /* TPT_limit */ | |
2599 | *pTimer_Struc++ = 0x9C40; /* TQP_limit */ | |
2600 | *pTimer_Struc++ = 0x0A28; /* TNT_limit */ | |
2601 | *pTimer_Struc++ = 0x3E80; /* TBT_limit */ | |
2602 | *pTimer_Struc++ = 0x3A98; /* TSM_limit */ | |
2603 | *pTimer_Struc++ = 0x1B58; /* TAM_limit */ | |
2604 | *pTimer_Struc++ = 0x00C8; /* TBR_limit */ | |
2605 | *pTimer_Struc++ = 0x07D0; /* TER_limit */ | |
2606 | *pTimer_Struc++ = 0x000A; /* TGT_limit */ | |
2607 | *pTimer_Struc++ = 0x4588; /* THT_limit */ | |
2608 | *pTimer_Struc++ = 0x1F40; /* TRR_limit */ | |
2609 | *pTimer_Struc++ = 0x4E20; /* TVX_limit */ | |
2610 | *pTimer_Struc++ = 0x0000; /* reserved */ | |
2611 | } | |
2612 | ||
2613 | /* Set node address. */ | |
2614 | *pTimer_Struc++ = dev->dev_addr[0] << 8 | |
2615 | | (dev->dev_addr[1] & 0xFF); | |
2616 | *pTimer_Struc++ = dev->dev_addr[2] << 8 | |
2617 | | (dev->dev_addr[3] & 0xFF); | |
2618 | *pTimer_Struc++ = dev->dev_addr[4] << 8 | |
2619 | | (dev->dev_addr[5] & 0xFF); | |
2620 | ||
2621 | /* Set group address. */ | |
2622 | *pTimer_Struc++ = tp->group_address_0 << 8 | |
2623 | | tp->group_address_0 >> 8; | |
2624 | *pTimer_Struc++ = tp->group_address[0] << 8 | |
2625 | | tp->group_address[0] >> 8; | |
2626 | *pTimer_Struc++ = tp->group_address[1] << 8 | |
2627 | | tp->group_address[1] >> 8; | |
2628 | ||
2629 | /* Set functional address. */ | |
2630 | *pTimer_Struc++ = tp->functional_address_0 << 8 | |
2631 | | tp->functional_address_0 >> 8; | |
2632 | *pTimer_Struc++ = tp->functional_address[0] << 8 | |
2633 | | tp->functional_address[0] >> 8; | |
2634 | *pTimer_Struc++ = tp->functional_address[1] << 8 | |
2635 | | tp->functional_address[1] >> 8; | |
2636 | ||
2637 | /* Set Bit-Wise group address. */ | |
2638 | *pTimer_Struc++ = tp->bitwise_group_address[0] << 8 | |
2639 | | tp->bitwise_group_address[0] >> 8; | |
2640 | *pTimer_Struc++ = tp->bitwise_group_address[1] << 8 | |
2641 | | tp->bitwise_group_address[1] >> 8; | |
2642 | ||
2643 | /* Set ring number address. */ | |
2644 | *pTimer_Struc++ = tp->source_ring_number; | |
2645 | *pTimer_Struc++ = tp->target_ring_number; | |
2646 | ||
2647 | /* Physical drop number. */ | |
2648 | *pTimer_Struc++ = (unsigned short)0; | |
2649 | *pTimer_Struc++ = (unsigned short)0; | |
2650 | ||
2651 | /* Product instance ID. */ | |
2652 | for(i = 0; i < 9; i++) | |
2653 | *pTimer_Struc++ = (unsigned short)0; | |
2654 | ||
2655 | err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_INIT_TRC_TIMERS, 0); | |
2656 | ||
2657 | return (err); | |
2658 | } | |
2659 | ||
2660 | static int smctr_issue_init_txrx_cmd(struct net_device *dev) | |
2661 | { | |
2662 | struct net_local *tp = netdev_priv(dev); | |
2663 | unsigned int i; | |
2664 | int err; | |
2665 | void **txrx_ptrs = (void *)tp->misc_command_data; | |
2666 | ||
2667 | if((err = smctr_wait_while_cbusy(dev))) | |
2668 | return (err); | |
2669 | ||
2670 | if((err = smctr_wait_cmd(dev))) | |
2671 | { | |
2672 | printk(KERN_ERR "%s: Hardware failure\n", dev->name); | |
2673 | return (err); | |
2674 | } | |
2675 | ||
2676 | /* Initialize Transmit Queue Pointers that are used, to point to | |
2677 | * a single FCB. | |
2678 | */ | |
2679 | for(i = 0; i < NUM_TX_QS_USED; i++) | |
2680 | *txrx_ptrs++ = (void *)TRC_POINTER(tp->tx_fcb_head[i]); | |
2681 | ||
2682 | /* Initialize Transmit Queue Pointers that are NOT used to ZERO. */ | |
2683 | for(; i < MAX_TX_QS; i++) | |
2684 | *txrx_ptrs++ = (void *)0; | |
2685 | ||
2686 | /* Initialize Receive Queue Pointers (MAC and Non-MAC) that are | |
2687 | * used, to point to a single FCB and a BDB chain of buffers. | |
2688 | */ | |
2689 | for(i = 0; i < NUM_RX_QS_USED; i++) | |
2690 | { | |
2691 | *txrx_ptrs++ = (void *)TRC_POINTER(tp->rx_fcb_head[i]); | |
2692 | *txrx_ptrs++ = (void *)TRC_POINTER(tp->rx_bdb_head[i]); | |
2693 | } | |
2694 | ||
2695 | /* Initialize Receive Queue Pointers that are NOT used to ZERO. */ | |
2696 | for(; i < MAX_RX_QS; i++) | |
2697 | { | |
2698 | *txrx_ptrs++ = (void *)0; | |
2699 | *txrx_ptrs++ = (void *)0; | |
2700 | } | |
2701 | ||
2702 | err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_INIT_TX_RX, 0); | |
2703 | ||
2704 | return (err); | |
2705 | } | |
2706 | ||
2707 | static int smctr_issue_insert_cmd(struct net_device *dev) | |
2708 | { | |
2709 | int err; | |
2710 | ||
2711 | err = smctr_setup_single_cmd(dev, ACB_CMD_INSERT, ACB_SUB_CMD_NOP); | |
2712 | ||
2713 | return (err); | |
2714 | } | |
2715 | ||
2716 | static int smctr_issue_read_ring_status_cmd(struct net_device *dev) | |
2717 | { | |
2718 | int err; | |
2719 | ||
2720 | if((err = smctr_wait_while_cbusy(dev))) | |
2721 | return (err); | |
2722 | ||
2723 | if((err = smctr_wait_cmd(dev))) | |
2724 | return (err); | |
2725 | ||
2726 | err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_READ_TRC_STATUS, | |
2727 | RW_TRC_STATUS_BLOCK); | |
2728 | ||
2729 | return (err); | |
2730 | } | |
2731 | ||
2732 | static int smctr_issue_read_word_cmd(struct net_device *dev, __u16 aword_cnt) | |
2733 | { | |
2734 | int err; | |
2735 | ||
2736 | if((err = smctr_wait_while_cbusy(dev))) | |
2737 | return (err); | |
2738 | ||
2739 | if((err = smctr_wait_cmd(dev))) | |
2740 | return (err); | |
2741 | ||
2742 | err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_READ_VALUE, | |
2743 | aword_cnt); | |
2744 | ||
2745 | return (err); | |
2746 | } | |
2747 | ||
2748 | static int smctr_issue_remove_cmd(struct net_device *dev) | |
2749 | { | |
2750 | struct net_local *tp = netdev_priv(dev); | |
2751 | int err; | |
2752 | ||
2753 | if((err = smctr_wait_while_cbusy(dev))) | |
2754 | return (err); | |
2755 | ||
2756 | tp->sclb_ptr->resume_control = 0; | |
2757 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_REMOVE; | |
2758 | ||
2759 | smctr_set_ctrl_attention(dev); | |
2760 | ||
2761 | return (0); | |
2762 | } | |
2763 | ||
2764 | static int smctr_issue_resume_acb_cmd(struct net_device *dev) | |
2765 | { | |
2766 | struct net_local *tp = netdev_priv(dev); | |
2767 | int err; | |
2768 | ||
2769 | if((err = smctr_wait_while_cbusy(dev))) | |
2770 | return (err); | |
2771 | ||
2772 | tp->sclb_ptr->resume_control = SCLB_RC_ACB; | |
2773 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; | |
2774 | ||
2775 | tp->acb_pending = 1; | |
2776 | ||
2777 | smctr_set_ctrl_attention(dev); | |
2778 | ||
2779 | return (0); | |
2780 | } | |
2781 | ||
2782 | static int smctr_issue_resume_rx_bdb_cmd(struct net_device *dev, __u16 queue) | |
2783 | { | |
2784 | struct net_local *tp = netdev_priv(dev); | |
2785 | int err; | |
2786 | ||
2787 | if((err = smctr_wait_while_cbusy(dev))) | |
2788 | return (err); | |
2789 | ||
2790 | if(queue == MAC_QUEUE) | |
2791 | tp->sclb_ptr->resume_control = SCLB_RC_RX_MAC_BDB; | |
2792 | else | |
2793 | tp->sclb_ptr->resume_control = SCLB_RC_RX_NON_MAC_BDB; | |
2794 | ||
2795 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; | |
2796 | ||
2797 | smctr_set_ctrl_attention(dev); | |
2798 | ||
2799 | return (0); | |
2800 | } | |
2801 | ||
2802 | static int smctr_issue_resume_rx_fcb_cmd(struct net_device *dev, __u16 queue) | |
2803 | { | |
2804 | struct net_local *tp = netdev_priv(dev); | |
2805 | ||
2806 | if(smctr_debug > 10) | |
2807 | printk(KERN_DEBUG "%s: smctr_issue_resume_rx_fcb_cmd\n", dev->name); | |
2808 | ||
2809 | if(smctr_wait_while_cbusy(dev)) | |
2810 | return (-1); | |
2811 | ||
2812 | if(queue == MAC_QUEUE) | |
2813 | tp->sclb_ptr->resume_control = SCLB_RC_RX_MAC_FCB; | |
2814 | else | |
2815 | tp->sclb_ptr->resume_control = SCLB_RC_RX_NON_MAC_FCB; | |
2816 | ||
2817 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; | |
2818 | ||
2819 | smctr_set_ctrl_attention(dev); | |
2820 | ||
2821 | return (0); | |
2822 | } | |
2823 | ||
2824 | static int smctr_issue_resume_tx_fcb_cmd(struct net_device *dev, __u16 queue) | |
2825 | { | |
2826 | struct net_local *tp = netdev_priv(dev); | |
2827 | ||
2828 | if(smctr_debug > 10) | |
2829 | printk(KERN_DEBUG "%s: smctr_issue_resume_tx_fcb_cmd\n", dev->name); | |
2830 | ||
2831 | if(smctr_wait_while_cbusy(dev)) | |
2832 | return (-1); | |
2833 | ||
2834 | tp->sclb_ptr->resume_control = (SCLB_RC_TFCB0 << queue); | |
2835 | tp->sclb_ptr->valid_command = SCLB_RESUME_CONTROL_VALID | SCLB_VALID; | |
2836 | ||
2837 | smctr_set_ctrl_attention(dev); | |
2838 | ||
2839 | return (0); | |
2840 | } | |
2841 | ||
2842 | static int smctr_issue_test_internal_rom_cmd(struct net_device *dev) | |
2843 | { | |
2844 | int err; | |
2845 | ||
2846 | err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, | |
2847 | TRC_INTERNAL_ROM_TEST); | |
2848 | ||
2849 | return (err); | |
2850 | } | |
2851 | ||
2852 | static int smctr_issue_test_hic_cmd(struct net_device *dev) | |
2853 | { | |
2854 | int err; | |
2855 | ||
2856 | err = smctr_setup_single_cmd(dev, ACB_CMD_HIC_TEST, | |
2857 | TRC_HOST_INTERFACE_REG_TEST); | |
2858 | ||
2859 | return (err); | |
2860 | } | |
2861 | ||
2862 | static int smctr_issue_test_mac_reg_cmd(struct net_device *dev) | |
2863 | { | |
2864 | int err; | |
2865 | ||
2866 | err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, | |
2867 | TRC_MAC_REGISTERS_TEST); | |
2868 | ||
2869 | return (err); | |
2870 | } | |
2871 | ||
2872 | static int smctr_issue_trc_loopback_cmd(struct net_device *dev) | |
2873 | { | |
2874 | int err; | |
2875 | ||
2876 | err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, | |
2877 | TRC_INTERNAL_LOOPBACK); | |
2878 | ||
2879 | return (err); | |
2880 | } | |
2881 | ||
2882 | static int smctr_issue_tri_loopback_cmd(struct net_device *dev) | |
2883 | { | |
2884 | int err; | |
2885 | ||
2886 | err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, | |
2887 | TRC_TRI_LOOPBACK); | |
2888 | ||
2889 | return (err); | |
2890 | } | |
2891 | ||
2892 | static int smctr_issue_write_byte_cmd(struct net_device *dev, | |
2893 | short aword_cnt, void *byte) | |
2894 | { | |
2895 | struct net_local *tp = netdev_priv(dev); | |
2896 | unsigned int iword, ibyte; | |
2897 | int err; | |
2898 | ||
2899 | if((err = smctr_wait_while_cbusy(dev))) | |
2900 | return (err); | |
2901 | ||
2902 | if((err = smctr_wait_cmd(dev))) | |
2903 | return (err); | |
2904 | ||
2905 | for(iword = 0, ibyte = 0; iword < (unsigned int)(aword_cnt & 0xff); | |
2906 | iword++, ibyte += 2) | |
2907 | { | |
2908 | tp->misc_command_data[iword] = (*((__u8 *)byte + ibyte) << 8) | |
2909 | | (*((__u8 *)byte + ibyte + 1)); | |
2910 | } | |
2911 | ||
2912 | return (smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_WRITE_VALUE, | |
2913 | aword_cnt)); | |
2914 | } | |
2915 | ||
2916 | static int smctr_issue_write_word_cmd(struct net_device *dev, | |
2917 | short aword_cnt, void *word) | |
2918 | { | |
2919 | struct net_local *tp = netdev_priv(dev); | |
2920 | unsigned int i, err; | |
2921 | ||
2922 | if((err = smctr_wait_while_cbusy(dev))) | |
2923 | return (err); | |
2924 | ||
2925 | if((err = smctr_wait_cmd(dev))) | |
2926 | return (err); | |
2927 | ||
2928 | for(i = 0; i < (unsigned int)(aword_cnt & 0xff); i++) | |
2929 | tp->misc_command_data[i] = *((__u16 *)word + i); | |
2930 | ||
2931 | err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_WRITE_VALUE, | |
2932 | aword_cnt); | |
2933 | ||
2934 | return (err); | |
2935 | } | |
2936 | ||
2937 | static int smctr_join_complete_state(struct net_device *dev) | |
2938 | { | |
2939 | int err; | |
2940 | ||
2941 | err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, | |
2942 | JS_JOIN_COMPLETE_STATE); | |
2943 | ||
2944 | return (err); | |
2945 | } | |
2946 | ||
2947 | static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev) | |
2948 | { | |
2949 | struct net_local *tp = netdev_priv(dev); | |
2950 | unsigned int i, j; | |
2951 | FCBlock *fcb; | |
2952 | BDBlock *bdb; | |
2953 | ||
2954 | for(i = 0; i < NUM_TX_QS_USED; i++) | |
2955 | { | |
2956 | fcb = tp->tx_fcb_head[i]; | |
2957 | bdb = tp->tx_bdb_head[i]; | |
2958 | ||
2959 | for(j = 0; j < tp->num_tx_fcbs[i]; j++) | |
2960 | { | |
2961 | fcb->bdb_ptr = bdb; | |
2962 | fcb->trc_bdb_ptr = TRC_POINTER(bdb); | |
2963 | fcb = (FCBlock *)((char *)fcb + sizeof(FCBlock)); | |
2964 | bdb = (BDBlock *)((char *)bdb + sizeof(BDBlock)); | |
2965 | } | |
2966 | } | |
2967 | ||
2968 | return (0); | |
2969 | } | |
2970 | ||
2971 | static int smctr_load_firmware(struct net_device *dev) | |
2972 | { | |
2973 | struct net_local *tp = netdev_priv(dev); | |
2974 | __u16 i, checksum = 0; | |
2975 | int err = 0; | |
2976 | ||
2977 | if(smctr_debug > 10) | |
2978 | printk(KERN_DEBUG "%s: smctr_load_firmware\n", dev->name); | |
2979 | ||
2980 | tp->ptr_ucode = smctr_code; | |
2981 | tp->num_of_tx_buffs = 4; | |
2982 | tp->mode_bits |= UMAC; | |
2983 | tp->receive_mask = 0; | |
2984 | tp->max_packet_size = 4177; | |
2985 | ||
2986 | /* Can only upload the firmware once per adapter reset. */ | |
2987 | if(tp->microcode_version != 0) | |
2988 | return (UCODE_PRESENT); | |
2989 | ||
2990 | /* Verify the firmware exists and is there in the right amount. */ | |
2991 | if((tp->ptr_ucode == 0L) | |
2992 | || (*(tp->ptr_ucode + UCODE_VERSION_OFFSET) < UCODE_VERSION)) | |
2993 | { | |
2994 | return (UCODE_NOT_PRESENT); | |
2995 | } | |
2996 | ||
2997 | /* UCODE_SIZE is not included in Checksum. */ | |
2998 | for(i = 0; i < *((__u16 *)(tp->ptr_ucode + UCODE_SIZE_OFFSET)); i += 2) | |
2999 | checksum += *((__u16 *)(tp->ptr_ucode + 2 + i)); | |
3000 | if(checksum) | |
3001 | return (UCODE_NOT_PRESENT); | |
3002 | ||
3003 | /* At this point we have a valid firmware image, lets kick it on up. */ | |
3004 | smctr_enable_adapter_ram(dev); | |
3005 | smctr_enable_16bit(dev); | |
3006 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
3007 | ||
3008 | if((smctr_checksum_firmware(dev)) | |
3009 | || (*(tp->ptr_ucode + UCODE_VERSION_OFFSET) | |
3010 | > tp->microcode_version)) | |
3011 | { | |
3012 | smctr_enable_adapter_ctrl_store(dev); | |
3013 | ||
3014 | /* Zero out ram space for firmware. */ | |
3015 | for(i = 0; i < CS_RAM_SIZE; i += 2) | |
3016 | *((__u16 *)(tp->ram_access + i)) = 0; | |
3017 | ||
3018 | smctr_decode_firmware(dev); | |
3019 | ||
3020 | tp->microcode_version = *(tp->ptr_ucode + UCODE_VERSION_OFFSET); *((__u16 *)(tp->ram_access + CS_RAM_VERSION_OFFSET)) | |
3021 | = (tp->microcode_version << 8); | |
3022 | *((__u16 *)(tp->ram_access + CS_RAM_CHECKSUM_OFFSET)) | |
3023 | = ~(tp->microcode_version << 8) + 1; | |
3024 | ||
3025 | smctr_disable_adapter_ctrl_store(dev); | |
3026 | ||
3027 | if(smctr_checksum_firmware(dev)) | |
3028 | err = HARDWARE_FAILED; | |
3029 | } | |
3030 | else | |
3031 | err = UCODE_PRESENT; | |
3032 | ||
3033 | smctr_disable_16bit(dev); | |
3034 | ||
3035 | return (err); | |
3036 | } | |
3037 | ||
3038 | static int smctr_load_node_addr(struct net_device *dev) | |
3039 | { | |
3040 | int ioaddr = dev->base_addr; | |
3041 | unsigned int i; | |
3042 | __u8 r; | |
3043 | ||
3044 | for(i = 0; i < 6; i++) | |
3045 | { | |
3046 | r = inb(ioaddr + LAR0 + i); | |
3047 | dev->dev_addr[i] = (char)r; | |
3048 | } | |
3049 | dev->addr_len = 6; | |
3050 | ||
3051 | return (0); | |
3052 | } | |
3053 | ||
3054 | /* Lobe Media Test. | |
3055 | * During the transmission of the initial 1500 lobe media MAC frames, | |
3056 | * the phase lock loop in the 805 chip may lock, and then un-lock, causing | |
3057 | * the 825 to go into a PURGE state. When performing a PURGE, the MCT | |
3058 | * microcode will not transmit any frames given to it by the host, and | |
3059 | * will consequently cause a timeout. | |
3060 | * | |
3061 | * NOTE 1: If the monitor_state is MS_BEACON_TEST_STATE, all transmit | |
3062 | * queues other then the one used for the lobe_media_test should be | |
3063 | * disabled.!? | |
3064 | * | |
3065 | * NOTE 2: If the monitor_state is MS_BEACON_TEST_STATE and the receive_mask | |
3066 | * has any multi-cast or promiscous bits set, the receive_mask needs to | |
3067 | * be changed to clear the multi-cast or promiscous mode bits, the lobe_test | |
3068 | * run, and then the receive mask set back to its original value if the test | |
3069 | * is successful. | |
3070 | */ | |
3071 | static int smctr_lobe_media_test(struct net_device *dev) | |
3072 | { | |
3073 | struct net_local *tp = netdev_priv(dev); | |
3074 | unsigned int i, perror = 0; | |
3075 | unsigned short saved_rcv_mask; | |
3076 | ||
3077 | if(smctr_debug > 10) | |
3078 | printk(KERN_DEBUG "%s: smctr_lobe_media_test\n", dev->name); | |
3079 | ||
3080 | /* Clear receive mask for lobe test. */ | |
3081 | saved_rcv_mask = tp->receive_mask; | |
3082 | tp->receive_mask = 0; | |
3083 | ||
3084 | smctr_chg_rx_mask(dev); | |
3085 | ||
3086 | /* Setup the lobe media test. */ | |
3087 | smctr_lobe_media_test_cmd(dev); | |
3088 | if(smctr_wait_cmd(dev)) | |
3089 | { | |
3090 | smctr_reset_adapter(dev); | |
3091 | tp->status = CLOSED; | |
3092 | return (LOBE_MEDIA_TEST_FAILED); | |
3093 | } | |
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 | { | |
3102 | smctr_reset_adapter(dev); | |
3103 | tp->state = CLOSED; | |
3104 | return (LOBE_MEDIA_TEST_FAILED); | |
3105 | } | |
3106 | else | |
3107 | { | |
3108 | perror = 1; | |
3109 | if(smctr_lobe_media_test_cmd(dev)) | |
3110 | { | |
3111 | smctr_reset_adapter(dev); | |
3112 | tp->state = CLOSED; | |
3113 | return (LOBE_MEDIA_TEST_FAILED); | |
3114 | } | |
3115 | } | |
3116 | } | |
3117 | } | |
3118 | ||
3119 | if(smctr_send_dat(dev)) | |
3120 | { | |
3121 | if(smctr_send_dat(dev)) | |
3122 | { | |
3123 | smctr_reset_adapter(dev); | |
3124 | tp->state = CLOSED; | |
3125 | return (LOBE_MEDIA_TEST_FAILED); | |
3126 | } | |
3127 | } | |
3128 | ||
3129 | /* Check if any frames received during test. */ | |
3130 | if((tp->rx_fcb_curr[MAC_QUEUE]->frame_status) | |
3131 | || (tp->rx_fcb_curr[NON_MAC_QUEUE]->frame_status)) | |
3132 | { | |
3133 | smctr_reset_adapter(dev); | |
3134 | tp->state = CLOSED; | |
3135 | return (LOBE_MEDIA_TEST_FAILED); | |
3136 | } | |
3137 | ||
3138 | /* Set receive mask to "Promisc" mode. */ | |
3139 | tp->receive_mask = saved_rcv_mask; | |
3140 | ||
3141 | smctr_chg_rx_mask(dev); | |
3142 | ||
3143 | return (0); | |
3144 | } | |
3145 | ||
3146 | static int smctr_lobe_media_test_cmd(struct net_device *dev) | |
3147 | { | |
3148 | struct net_local *tp = netdev_priv(dev); | |
3149 | int err; | |
3150 | ||
3151 | if(smctr_debug > 10) | |
3152 | printk(KERN_DEBUG "%s: smctr_lobe_media_test_cmd\n", dev->name); | |
3153 | ||
3154 | /* Change to lobe media test state. */ | |
3155 | if(tp->monitor_state != MS_BEACON_TEST_STATE) | |
3156 | { | |
3157 | smctr_lobe_media_test_state(dev); | |
3158 | if(smctr_wait_cmd(dev)) | |
3159 | { | |
3160 | printk(KERN_ERR "Lobe Failed test state\n"); | |
3161 | return (LOBE_MEDIA_TEST_FAILED); | |
3162 | } | |
3163 | } | |
3164 | ||
3165 | err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, | |
3166 | TRC_LOBE_MEDIA_TEST); | |
3167 | ||
3168 | return (err); | |
3169 | } | |
3170 | ||
3171 | static int smctr_lobe_media_test_state(struct net_device *dev) | |
3172 | { | |
3173 | int err; | |
3174 | ||
3175 | err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, | |
3176 | JS_LOBE_TEST_STATE); | |
3177 | ||
3178 | return (err); | |
3179 | } | |
3180 | ||
3181 | static int smctr_make_8025_hdr(struct net_device *dev, | |
3182 | MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc) | |
3183 | { | |
3184 | tmf->ac = MSB(ac_fc); /* msb is access control */ | |
3185 | tmf->fc = LSB(ac_fc); /* lsb is frame control */ | |
3186 | ||
3187 | tmf->sa[0] = dev->dev_addr[0]; | |
3188 | tmf->sa[1] = dev->dev_addr[1]; | |
3189 | tmf->sa[2] = dev->dev_addr[2]; | |
3190 | tmf->sa[3] = dev->dev_addr[3]; | |
3191 | tmf->sa[4] = dev->dev_addr[4]; | |
3192 | tmf->sa[5] = dev->dev_addr[5]; | |
3193 | ||
3194 | switch(tmf->vc) | |
3195 | { | |
3196 | /* Send RQ_INIT to RPS */ | |
3197 | case RQ_INIT: | |
3198 | tmf->da[0] = 0xc0; | |
3199 | tmf->da[1] = 0x00; | |
3200 | tmf->da[2] = 0x00; | |
3201 | tmf->da[3] = 0x00; | |
3202 | tmf->da[4] = 0x00; | |
3203 | tmf->da[5] = 0x02; | |
3204 | break; | |
3205 | ||
3206 | /* Send RPT_TX_FORWARD to CRS */ | |
3207 | case RPT_TX_FORWARD: | |
3208 | tmf->da[0] = 0xc0; | |
3209 | tmf->da[1] = 0x00; | |
3210 | tmf->da[2] = 0x00; | |
3211 | tmf->da[3] = 0x00; | |
3212 | tmf->da[4] = 0x00; | |
3213 | tmf->da[5] = 0x10; | |
3214 | break; | |
3215 | ||
3216 | /* Everything else goes to sender */ | |
3217 | default: | |
3218 | tmf->da[0] = rmf->sa[0]; | |
3219 | tmf->da[1] = rmf->sa[1]; | |
3220 | tmf->da[2] = rmf->sa[2]; | |
3221 | tmf->da[3] = rmf->sa[3]; | |
3222 | tmf->da[4] = rmf->sa[4]; | |
3223 | tmf->da[5] = rmf->sa[5]; | |
3224 | break; | |
3225 | } | |
3226 | ||
3227 | return (0); | |
3228 | } | |
3229 | ||
3230 | static int smctr_make_access_pri(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3231 | { | |
3232 | struct net_local *tp = netdev_priv(dev); | |
3233 | ||
3234 | tsv->svi = AUTHORIZED_ACCESS_PRIORITY; | |
3235 | tsv->svl = S_AUTHORIZED_ACCESS_PRIORITY; | |
3236 | ||
3237 | tsv->svv[0] = MSB(tp->authorized_access_priority); | |
3238 | tsv->svv[1] = LSB(tp->authorized_access_priority); | |
3239 | ||
3240 | return (0); | |
3241 | } | |
3242 | ||
3243 | static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3244 | { | |
3245 | tsv->svi = ADDRESS_MODIFER; | |
3246 | tsv->svl = S_ADDRESS_MODIFER; | |
3247 | ||
3248 | tsv->svv[0] = 0; | |
3249 | tsv->svv[1] = 0; | |
3250 | ||
3251 | return (0); | |
3252 | } | |
3253 | ||
3254 | static int smctr_make_auth_funct_class(struct net_device *dev, | |
3255 | MAC_SUB_VECTOR *tsv) | |
3256 | { | |
3257 | struct net_local *tp = netdev_priv(dev); | |
3258 | ||
3259 | tsv->svi = AUTHORIZED_FUNCTION_CLASS; | |
3260 | tsv->svl = S_AUTHORIZED_FUNCTION_CLASS; | |
3261 | ||
3262 | tsv->svv[0] = MSB(tp->authorized_function_classes); | |
3263 | tsv->svv[1] = LSB(tp->authorized_function_classes); | |
3264 | ||
3265 | return (0); | |
3266 | } | |
3267 | ||
3268 | static int smctr_make_corr(struct net_device *dev, | |
3269 | MAC_SUB_VECTOR *tsv, __u16 correlator) | |
3270 | { | |
3271 | tsv->svi = CORRELATOR; | |
3272 | tsv->svl = S_CORRELATOR; | |
3273 | ||
3274 | tsv->svv[0] = MSB(correlator); | |
3275 | tsv->svv[1] = LSB(correlator); | |
3276 | ||
3277 | return (0); | |
3278 | } | |
3279 | ||
3280 | static int smctr_make_funct_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3281 | { | |
3282 | struct net_local *tp = netdev_priv(dev); | |
3283 | ||
3284 | smctr_get_functional_address(dev); | |
3285 | ||
3286 | tsv->svi = FUNCTIONAL_ADDRESS; | |
3287 | tsv->svl = S_FUNCTIONAL_ADDRESS; | |
3288 | ||
3289 | tsv->svv[0] = MSB(tp->misc_command_data[0]); | |
3290 | tsv->svv[1] = LSB(tp->misc_command_data[0]); | |
3291 | ||
3292 | tsv->svv[2] = MSB(tp->misc_command_data[1]); | |
3293 | tsv->svv[3] = LSB(tp->misc_command_data[1]); | |
3294 | ||
3295 | return (0); | |
3296 | } | |
3297 | ||
3298 | static int smctr_make_group_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3299 | { | |
3300 | struct net_local *tp = netdev_priv(dev); | |
3301 | ||
3302 | smctr_get_group_address(dev); | |
3303 | ||
3304 | tsv->svi = GROUP_ADDRESS; | |
3305 | tsv->svl = S_GROUP_ADDRESS; | |
3306 | ||
3307 | tsv->svv[0] = MSB(tp->misc_command_data[0]); | |
3308 | tsv->svv[1] = LSB(tp->misc_command_data[0]); | |
3309 | ||
3310 | tsv->svv[2] = MSB(tp->misc_command_data[1]); | |
3311 | tsv->svv[3] = LSB(tp->misc_command_data[1]); | |
3312 | ||
3313 | /* Set Group Address Sub-vector to all zeros if only the | |
3314 | * Group Address/Functional Address Indicator is set. | |
3315 | */ | |
3316 | if(tsv->svv[0] == 0x80 && tsv->svv[1] == 0x00 | |
3317 | && tsv->svv[2] == 0x00 && tsv->svv[3] == 0x00) | |
3318 | tsv->svv[0] = 0x00; | |
3319 | ||
3320 | return (0); | |
3321 | } | |
3322 | ||
3323 | static int smctr_make_phy_drop_num(struct net_device *dev, | |
3324 | MAC_SUB_VECTOR *tsv) | |
3325 | { | |
3326 | struct net_local *tp = netdev_priv(dev); | |
3327 | ||
3328 | smctr_get_physical_drop_number(dev); | |
3329 | ||
3330 | tsv->svi = PHYSICAL_DROP; | |
3331 | tsv->svl = S_PHYSICAL_DROP; | |
3332 | ||
3333 | tsv->svv[0] = MSB(tp->misc_command_data[0]); | |
3334 | tsv->svv[1] = LSB(tp->misc_command_data[0]); | |
3335 | ||
3336 | tsv->svv[2] = MSB(tp->misc_command_data[1]); | |
3337 | tsv->svv[3] = LSB(tp->misc_command_data[1]); | |
3338 | ||
3339 | return (0); | |
3340 | } | |
3341 | ||
3342 | static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3343 | { | |
3344 | int i; | |
3345 | ||
3346 | tsv->svi = PRODUCT_INSTANCE_ID; | |
3347 | tsv->svl = S_PRODUCT_INSTANCE_ID; | |
3348 | ||
3349 | for(i = 0; i < 18; i++) | |
3350 | tsv->svv[i] = 0xF0; | |
3351 | ||
3352 | return (0); | |
3353 | } | |
3354 | ||
3355 | static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3356 | { | |
3357 | struct net_local *tp = netdev_priv(dev); | |
3358 | ||
3359 | smctr_get_station_id(dev); | |
3360 | ||
3361 | tsv->svi = STATION_IDENTIFER; | |
3362 | tsv->svl = S_STATION_IDENTIFER; | |
3363 | ||
3364 | tsv->svv[0] = MSB(tp->misc_command_data[0]); | |
3365 | tsv->svv[1] = LSB(tp->misc_command_data[0]); | |
3366 | ||
3367 | tsv->svv[2] = MSB(tp->misc_command_data[1]); | |
3368 | tsv->svv[3] = LSB(tp->misc_command_data[1]); | |
3369 | ||
3370 | tsv->svv[4] = MSB(tp->misc_command_data[2]); | |
3371 | tsv->svv[5] = LSB(tp->misc_command_data[2]); | |
3372 | ||
3373 | return (0); | |
3374 | } | |
3375 | ||
3376 | static int smctr_make_ring_station_status(struct net_device *dev, | |
3377 | MAC_SUB_VECTOR * tsv) | |
3378 | { | |
3379 | tsv->svi = RING_STATION_STATUS; | |
3380 | tsv->svl = S_RING_STATION_STATUS; | |
3381 | ||
3382 | tsv->svv[0] = 0; | |
3383 | tsv->svv[1] = 0; | |
3384 | tsv->svv[2] = 0; | |
3385 | tsv->svv[3] = 0; | |
3386 | tsv->svv[4] = 0; | |
3387 | tsv->svv[5] = 0; | |
3388 | ||
3389 | return (0); | |
3390 | } | |
3391 | ||
3392 | static int smctr_make_ring_station_version(struct net_device *dev, | |
3393 | MAC_SUB_VECTOR *tsv) | |
3394 | { | |
3395 | struct net_local *tp = netdev_priv(dev); | |
3396 | ||
3397 | tsv->svi = RING_STATION_VERSION_NUMBER; | |
3398 | tsv->svl = S_RING_STATION_VERSION_NUMBER; | |
3399 | ||
3400 | tsv->svv[0] = 0xe2; /* EBCDIC - S */ | |
3401 | tsv->svv[1] = 0xd4; /* EBCDIC - M */ | |
3402 | tsv->svv[2] = 0xc3; /* EBCDIC - C */ | |
3403 | tsv->svv[3] = 0x40; /* EBCDIC - */ | |
3404 | tsv->svv[4] = 0xe5; /* EBCDIC - V */ | |
3405 | tsv->svv[5] = 0xF0 + (tp->microcode_version >> 4); | |
3406 | tsv->svv[6] = 0xF0 + (tp->microcode_version & 0x0f); | |
3407 | tsv->svv[7] = 0x40; /* EBCDIC - */ | |
3408 | tsv->svv[8] = 0xe7; /* EBCDIC - X */ | |
3409 | ||
3410 | if(tp->extra_info & CHIP_REV_MASK) | |
3411 | tsv->svv[9] = 0xc5; /* EBCDIC - E */ | |
3412 | else | |
3413 | tsv->svv[9] = 0xc4; /* EBCDIC - D */ | |
3414 | ||
3415 | return (0); | |
3416 | } | |
3417 | ||
3418 | static int smctr_make_tx_status_code(struct net_device *dev, | |
3419 | MAC_SUB_VECTOR *tsv, __u16 tx_fstatus) | |
3420 | { | |
3421 | tsv->svi = TRANSMIT_STATUS_CODE; | |
3422 | tsv->svl = S_TRANSMIT_STATUS_CODE; | |
3423 | ||
3424 | tsv->svv[0] = ((tx_fstatus & 0x0100 >> 6) || IBM_PASS_SOURCE_ADDR); | |
3425 | ||
3426 | /* Stripped frame status of Transmitted Frame */ | |
3427 | tsv->svv[1] = tx_fstatus & 0xff; | |
3428 | ||
3429 | return (0); | |
3430 | } | |
3431 | ||
3432 | static int smctr_make_upstream_neighbor_addr(struct net_device *dev, | |
3433 | MAC_SUB_VECTOR *tsv) | |
3434 | { | |
3435 | struct net_local *tp = netdev_priv(dev); | |
3436 | ||
3437 | smctr_get_upstream_neighbor_addr(dev); | |
3438 | ||
3439 | tsv->svi = UPSTREAM_NEIGHBOR_ADDRESS; | |
3440 | tsv->svl = S_UPSTREAM_NEIGHBOR_ADDRESS; | |
3441 | ||
3442 | tsv->svv[0] = MSB(tp->misc_command_data[0]); | |
3443 | tsv->svv[1] = LSB(tp->misc_command_data[0]); | |
3444 | ||
3445 | tsv->svv[2] = MSB(tp->misc_command_data[1]); | |
3446 | tsv->svv[3] = LSB(tp->misc_command_data[1]); | |
3447 | ||
3448 | tsv->svv[4] = MSB(tp->misc_command_data[2]); | |
3449 | tsv->svv[5] = LSB(tp->misc_command_data[2]); | |
3450 | ||
3451 | return (0); | |
3452 | } | |
3453 | ||
3454 | static int smctr_make_wrap_data(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3455 | { | |
3456 | tsv->svi = WRAP_DATA; | |
3457 | tsv->svl = S_WRAP_DATA; | |
3458 | ||
3459 | return (0); | |
3460 | } | |
3461 | ||
3462 | /* | |
3463 | * Open/initialize the board. This is called sometime after | |
3464 | * booting when the 'ifconfig' program is run. | |
3465 | * | |
3466 | * This routine should set everything up anew at each open, even | |
3467 | * registers that "should" only need to be set once at boot, so that | |
3468 | * there is non-reboot way to recover if something goes wrong. | |
3469 | */ | |
3470 | static int smctr_open(struct net_device *dev) | |
3471 | { | |
3472 | int err; | |
3473 | ||
3474 | if(smctr_debug > 10) | |
3475 | printk(KERN_DEBUG "%s: smctr_open\n", dev->name); | |
3476 | ||
3477 | err = smctr_init_adapter(dev); | |
3478 | if(err < 0) | |
3479 | return (err); | |
3480 | ||
3481 | return (err); | |
3482 | } | |
3483 | ||
3484 | /* Interrupt driven open of Token card. */ | |
3485 | static int smctr_open_tr(struct net_device *dev) | |
3486 | { | |
3487 | struct net_local *tp = netdev_priv(dev); | |
3488 | unsigned long flags; | |
3489 | int err; | |
3490 | ||
3491 | if(smctr_debug > 10) | |
3492 | printk(KERN_DEBUG "%s: smctr_open_tr\n", dev->name); | |
3493 | ||
3494 | /* Now we can actually open the adapter. */ | |
3495 | if(tp->status == OPEN) | |
3496 | return (0); | |
3497 | if(tp->status != INITIALIZED) | |
3498 | return (-1); | |
3499 | ||
3500 | /* FIXME: it would work a lot better if we masked the irq sources | |
3501 | on the card here, then we could skip the locking and poll nicely */ | |
3502 | spin_lock_irqsave(&tp->lock, flags); | |
3503 | ||
3504 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
3505 | ||
3506 | if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)MAC_QUEUE))) | |
3507 | goto out; | |
3508 | ||
3509 | if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)MAC_QUEUE))) | |
3510 | goto out; | |
3511 | ||
3512 | if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)NON_MAC_QUEUE))) | |
3513 | goto out; | |
3514 | ||
3515 | if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)NON_MAC_QUEUE))) | |
3516 | goto out; | |
3517 | ||
3518 | tp->status = CLOSED; | |
3519 | ||
3520 | /* Insert into the Ring or Enter Loopback Mode. */ | |
3521 | if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_1) | |
3522 | { | |
3523 | tp->status = CLOSED; | |
3524 | ||
3525 | if(!(err = smctr_issue_trc_loopback_cmd(dev))) | |
3526 | { | |
3527 | if(!(err = smctr_wait_cmd(dev))) | |
3528 | tp->status = OPEN; | |
3529 | } | |
3530 | ||
3531 | smctr_status_chg(dev); | |
3532 | } | |
3533 | else | |
3534 | { | |
3535 | if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_2) | |
3536 | { | |
3537 | tp->status = CLOSED; | |
3538 | if(!(err = smctr_issue_tri_loopback_cmd(dev))) | |
3539 | { | |
3540 | if(!(err = smctr_wait_cmd(dev))) | |
3541 | tp->status = OPEN; | |
3542 | } | |
3543 | ||
3544 | smctr_status_chg(dev); | |
3545 | } | |
3546 | else | |
3547 | { | |
3548 | if((tp->mode_bits & LOOPING_MODE_MASK) | |
3549 | == LOOPBACK_MODE_3) | |
3550 | { | |
3551 | tp->status = CLOSED; | |
3552 | if(!(err = smctr_lobe_media_test_cmd(dev))) | |
3553 | { | |
3554 | if(!(err = smctr_wait_cmd(dev))) | |
3555 | tp->status = OPEN; | |
3556 | } | |
3557 | smctr_status_chg(dev); | |
3558 | } | |
3559 | else | |
3560 | { | |
3561 | if(!(err = smctr_lobe_media_test(dev))) | |
3562 | err = smctr_issue_insert_cmd(dev); | |
3563 | else | |
3564 | { | |
3565 | if(err == LOBE_MEDIA_TEST_FAILED) | |
3566 | printk(KERN_WARNING "%s: Lobe Media Test Failure - Check cable?\n", dev->name); | |
3567 | } | |
3568 | } | |
3569 | } | |
3570 | } | |
3571 | ||
3572 | out: | |
3573 | spin_unlock_irqrestore(&tp->lock, flags); | |
3574 | ||
3575 | return (err); | |
3576 | } | |
3577 | ||
3578 | /* Check for a network adapter of this type, | |
3579 | * and return device structure if one exists. | |
3580 | */ | |
3581 | struct net_device __init *smctr_probe(int unit) | |
3582 | { | |
3583 | struct net_device *dev = alloc_trdev(sizeof(struct net_local)); | |
3584 | static const unsigned ports[] = { | |
3585 | 0x200, 0x220, 0x240, 0x260, 0x280, 0x2A0, 0x2C0, 0x2E0, 0x300, | |
3586 | 0x320, 0x340, 0x360, 0x380, 0 | |
3587 | }; | |
3588 | const unsigned *port; | |
3589 | int err = 0; | |
3590 | ||
3591 | if (!dev) | |
3592 | return ERR_PTR(-ENOMEM); | |
3593 | ||
3594 | SET_MODULE_OWNER(dev); | |
3595 | ||
3596 | if (unit >= 0) { | |
3597 | sprintf(dev->name, "tr%d", unit); | |
3598 | netdev_boot_setup_check(dev); | |
3599 | } | |
3600 | ||
3601 | if (dev->base_addr > 0x1ff) /* Check a single specified location. */ | |
3602 | err = smctr_probe1(dev, dev->base_addr); | |
3603 | else if(dev->base_addr != 0) /* Don't probe at all. */ | |
3604 | err =-ENXIO; | |
3605 | else { | |
3606 | for (port = ports; *port; port++) { | |
3607 | err = smctr_probe1(dev, *port); | |
3608 | if (!err) | |
3609 | break; | |
3610 | } | |
3611 | } | |
3612 | if (err) | |
3613 | goto out; | |
3614 | err = register_netdev(dev); | |
3615 | if (err) | |
3616 | goto out1; | |
3617 | return dev; | |
3618 | out1: | |
3619 | #ifdef CONFIG_MCA_LEGACY | |
3620 | { struct net_local *tp = netdev_priv(dev); | |
3621 | if (tp->slot_num) | |
3622 | mca_mark_as_unused(tp->slot_num); | |
3623 | } | |
3624 | #endif | |
3625 | release_region(dev->base_addr, SMCTR_IO_EXTENT); | |
3626 | free_irq(dev->irq, dev); | |
3627 | out: | |
3628 | free_netdev(dev); | |
3629 | return ERR_PTR(err); | |
3630 | } | |
3631 | ||
3632 | ||
3633 | static int __init smctr_probe1(struct net_device *dev, int ioaddr) | |
3634 | { | |
3635 | static unsigned version_printed; | |
3636 | struct net_local *tp = netdev_priv(dev); | |
3637 | int err; | |
3638 | __u32 *ram; | |
3639 | ||
3640 | if(smctr_debug && version_printed++ == 0) | |
3641 | printk(version); | |
3642 | ||
3643 | spin_lock_init(&tp->lock); | |
3644 | dev->base_addr = ioaddr; | |
3645 | ||
3646 | /* Actually detect an adapter now. */ | |
3647 | err = smctr_chk_isa(dev); | |
3648 | if(err < 0) | |
3649 | { | |
3650 | if ((err = smctr_chk_mca(dev)) < 0) { | |
3651 | err = -ENODEV; | |
3652 | goto out; | |
3653 | } | |
3654 | } | |
3655 | ||
3656 | tp = netdev_priv(dev); | |
3657 | dev->mem_start = tp->ram_base; | |
3658 | dev->mem_end = dev->mem_start + 0x10000; | |
3659 | ram = (__u32 *)phys_to_virt(dev->mem_start); | |
3660 | tp->ram_access = *(__u32 *)&ram; | |
3661 | tp->status = NOT_INITIALIZED; | |
3662 | ||
3663 | err = smctr_load_firmware(dev); | |
3664 | if(err != UCODE_PRESENT && err != SUCCESS) | |
3665 | { | |
3666 | printk(KERN_ERR "%s: Firmware load failed (%d)\n", dev->name, err); | |
3667 | err = -EIO; | |
3668 | goto out; | |
3669 | } | |
3670 | ||
3671 | /* Allow user to specify ring speed on module insert. */ | |
3672 | if(ringspeed == 4) | |
3673 | tp->media_type = MEDIA_UTP_4; | |
3674 | else | |
3675 | tp->media_type = MEDIA_UTP_16; | |
3676 | ||
3677 | printk(KERN_INFO "%s: %s %s at Io %#4x, Irq %d, Rom %#4x, Ram %#4x.\n", | |
3678 | dev->name, smctr_name, smctr_model, | |
3679 | (unsigned int)dev->base_addr, | |
3680 | dev->irq, tp->rom_base, tp->ram_base); | |
3681 | ||
3682 | dev->open = smctr_open; | |
3683 | dev->stop = smctr_close; | |
3684 | dev->hard_start_xmit = smctr_send_packet; | |
3685 | dev->tx_timeout = smctr_timeout; | |
3686 | dev->watchdog_timeo = HZ; | |
3687 | dev->get_stats = smctr_get_stats; | |
3688 | dev->set_multicast_list = &smctr_set_multicast_list; | |
3689 | return (0); | |
3690 | ||
3691 | out: | |
3692 | return err; | |
3693 | } | |
3694 | ||
3695 | static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size, | |
3696 | struct net_device *dev, __u16 rx_status) | |
3697 | { | |
3698 | struct net_local *tp = netdev_priv(dev); | |
3699 | struct sk_buff *skb; | |
3700 | __u16 rcode, correlator; | |
3701 | int err = 0; | |
3702 | __u8 xframe = 1; | |
3703 | __u16 tx_fstatus; | |
3704 | ||
3705 | rmf->vl = SWAP_BYTES(rmf->vl); | |
3706 | if(rx_status & FCB_RX_STATUS_DA_MATCHED) | |
3707 | { | |
3708 | switch(rmf->vc) | |
3709 | { | |
3710 | /* Received MAC Frames Processed by RS. */ | |
3711 | case INIT: | |
3712 | if((rcode = smctr_rcv_init(dev, rmf, &correlator)) == HARDWARE_FAILED) | |
3713 | { | |
3714 | return (rcode); | |
3715 | } | |
3716 | ||
3717 | if((err = smctr_send_rsp(dev, rmf, rcode, | |
3718 | correlator))) | |
3719 | { | |
3720 | return (err); | |
3721 | } | |
3722 | break; | |
3723 | ||
3724 | case CHG_PARM: | |
3725 | if((rcode = smctr_rcv_chg_param(dev, rmf, | |
3726 | &correlator)) ==HARDWARE_FAILED) | |
3727 | { | |
3728 | return (rcode); | |
3729 | } | |
3730 | ||
3731 | if((err = smctr_send_rsp(dev, rmf, rcode, | |
3732 | correlator))) | |
3733 | { | |
3734 | return (err); | |
3735 | } | |
3736 | break; | |
3737 | ||
3738 | case RQ_ADDR: | |
3739 | if((rcode = smctr_rcv_rq_addr_state_attch(dev, | |
3740 | rmf, &correlator)) != POSITIVE_ACK) | |
3741 | { | |
3742 | if(rcode == HARDWARE_FAILED) | |
3743 | return (rcode); | |
3744 | else | |
3745 | return (smctr_send_rsp(dev, rmf, | |
3746 | rcode, correlator)); | |
3747 | } | |
3748 | ||
3749 | if((err = smctr_send_rpt_addr(dev, rmf, | |
3750 | correlator))) | |
3751 | { | |
3752 | return (err); | |
3753 | } | |
3754 | break; | |
3755 | ||
3756 | case RQ_ATTCH: | |
3757 | if((rcode = smctr_rcv_rq_addr_state_attch(dev, | |
3758 | rmf, &correlator)) != POSITIVE_ACK) | |
3759 | { | |
3760 | if(rcode == HARDWARE_FAILED) | |
3761 | return (rcode); | |
3762 | else | |
3763 | return (smctr_send_rsp(dev, rmf, | |
3764 | rcode, | |
3765 | correlator)); | |
3766 | } | |
3767 | ||
3768 | if((err = smctr_send_rpt_attch(dev, rmf, | |
3769 | correlator))) | |
3770 | { | |
3771 | return (err); | |
3772 | } | |
3773 | break; | |
3774 | ||
3775 | case RQ_STATE: | |
3776 | if((rcode = smctr_rcv_rq_addr_state_attch(dev, | |
3777 | rmf, &correlator)) != POSITIVE_ACK) | |
3778 | { | |
3779 | if(rcode == HARDWARE_FAILED) | |
3780 | return (rcode); | |
3781 | else | |
3782 | return (smctr_send_rsp(dev, rmf, | |
3783 | rcode, | |
3784 | correlator)); | |
3785 | } | |
3786 | ||
3787 | if((err = smctr_send_rpt_state(dev, rmf, | |
3788 | correlator))) | |
3789 | { | |
3790 | return (err); | |
3791 | } | |
3792 | break; | |
3793 | ||
3794 | case TX_FORWARD: | |
3795 | if((rcode = smctr_rcv_tx_forward(dev, rmf)) | |
3796 | != POSITIVE_ACK) | |
3797 | { | |
3798 | if(rcode == HARDWARE_FAILED) | |
3799 | return (rcode); | |
3800 | else | |
3801 | return (smctr_send_rsp(dev, rmf, | |
3802 | rcode, | |
3803 | correlator)); | |
3804 | } | |
3805 | ||
3806 | if((err = smctr_send_tx_forward(dev, rmf, | |
3807 | &tx_fstatus)) == HARDWARE_FAILED) | |
3808 | { | |
3809 | return (err); | |
3810 | } | |
3811 | ||
3812 | if(err == A_FRAME_WAS_FORWARDED) | |
3813 | { | |
3814 | if((err = smctr_send_rpt_tx_forward(dev, | |
3815 | rmf, tx_fstatus)) | |
3816 | == HARDWARE_FAILED) | |
3817 | { | |
3818 | return (err); | |
3819 | } | |
3820 | } | |
3821 | break; | |
3822 | ||
3823 | /* Received MAC Frames Processed by CRS/REM/RPS. */ | |
3824 | case RSP: | |
3825 | case RQ_INIT: | |
3826 | case RPT_NEW_MON: | |
3827 | case RPT_SUA_CHG: | |
3828 | case RPT_ACTIVE_ERR: | |
3829 | case RPT_NN_INCMP: | |
3830 | case RPT_ERROR: | |
3831 | case RPT_ATTCH: | |
3832 | case RPT_STATE: | |
3833 | case RPT_ADDR: | |
3834 | break; | |
3835 | ||
3836 | /* Rcvd Att. MAC Frame (if RXATMAC set) or UNKNOWN */ | |
3837 | default: | |
3838 | xframe = 0; | |
3839 | if(!(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES)) | |
3840 | { | |
3841 | rcode = smctr_rcv_unknown(dev, rmf, | |
3842 | &correlator); | |
3843 | if((err = smctr_send_rsp(dev, rmf,rcode, | |
3844 | correlator))) | |
3845 | { | |
3846 | return (err); | |
3847 | } | |
3848 | } | |
3849 | ||
3850 | break; | |
3851 | } | |
3852 | } | |
3853 | else | |
3854 | { | |
3855 | /* 1. DA doesn't match (Promiscuous Mode). | |
3856 | * 2. Parse for Extended MAC Frame Type. | |
3857 | */ | |
3858 | switch(rmf->vc) | |
3859 | { | |
3860 | case RSP: | |
3861 | case INIT: | |
3862 | case RQ_INIT: | |
3863 | case RQ_ADDR: | |
3864 | case RQ_ATTCH: | |
3865 | case RQ_STATE: | |
3866 | case CHG_PARM: | |
3867 | case RPT_ADDR: | |
3868 | case RPT_ERROR: | |
3869 | case RPT_ATTCH: | |
3870 | case RPT_STATE: | |
3871 | case RPT_NEW_MON: | |
3872 | case RPT_SUA_CHG: | |
3873 | case RPT_NN_INCMP: | |
3874 | case RPT_ACTIVE_ERR: | |
3875 | break; | |
3876 | ||
3877 | default: | |
3878 | xframe = 0; | |
3879 | break; | |
3880 | } | |
3881 | } | |
3882 | ||
3883 | /* NOTE: UNKNOWN MAC frames will NOT be passed up unless | |
3884 | * ACCEPT_ATT_MAC_FRAMES is set. | |
3885 | */ | |
3886 | if(((tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) | |
3887 | && (xframe == (__u8)0)) | |
3888 | || ((tp->receive_mask & ACCEPT_EXT_MAC_FRAMES) | |
3889 | && (xframe == (__u8)1))) | |
3890 | { | |
3891 | rmf->vl = SWAP_BYTES(rmf->vl); | |
3892 | ||
3893 | if (!(skb = dev_alloc_skb(size))) | |
3894 | return -ENOMEM; | |
3895 | skb->len = size; | |
3896 | ||
3897 | /* Slide data into a sleek skb. */ | |
3898 | skb_put(skb, skb->len); | |
3899 | memcpy(skb->data, rmf, skb->len); | |
3900 | ||
3901 | /* Update Counters */ | |
3902 | tp->MacStat.rx_packets++; | |
3903 | tp->MacStat.rx_bytes += skb->len; | |
3904 | ||
3905 | /* Kick the packet on up. */ | |
3906 | skb->dev = dev; | |
3907 | skb->protocol = tr_type_trans(skb, dev); | |
3908 | netif_rx(skb); | |
3909 | dev->last_rx = jiffies; | |
3910 | err = 0; | |
3911 | } | |
3912 | ||
3913 | return (err); | |
3914 | } | |
3915 | ||
3916 | /* Adapter RAM test. Incremental word ODD boundary data test. */ | |
3917 | static int smctr_ram_memory_test(struct net_device *dev) | |
3918 | { | |
3919 | struct net_local *tp = netdev_priv(dev); | |
3920 | __u16 page, pages_of_ram, start_pattern = 0, word_pattern = 0, | |
3921 | word_read = 0, err_word = 0, err_pattern = 0; | |
3922 | unsigned int err_offset; | |
3923 | __u32 j, pword; | |
3924 | __u8 err = 0; | |
3925 | ||
3926 | if(smctr_debug > 10) | |
3927 | printk(KERN_DEBUG "%s: smctr_ram_memory_test\n", dev->name); | |
3928 | ||
3929 | start_pattern = 0x0001; | |
3930 | pages_of_ram = tp->ram_size / tp->ram_usable; | |
3931 | pword = tp->ram_access; | |
3932 | ||
3933 | /* Incremental word ODD boundary test. */ | |
3934 | for(page = 0; (page < pages_of_ram) && (~err); | |
3935 | page++, start_pattern += 0x8000) | |
3936 | { | |
3937 | smctr_set_page(dev, (__u8 *)(tp->ram_access | |
3938 | + (page * tp->ram_usable * 1024) + 1)); | |
3939 | word_pattern = start_pattern; | |
3940 | ||
3941 | for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1; j += 2) | |
3942 | *(__u16 *)(pword + j) = word_pattern++; | |
3943 | ||
3944 | word_pattern = start_pattern; | |
3945 | ||
3946 | for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1 | |
3947 | && (~err); j += 2, word_pattern++) | |
3948 | { | |
3949 | word_read = *(__u16 *)(pword + j); | |
3950 | if(word_read != word_pattern) | |
3951 | { | |
3952 | err = (__u8)1; | |
3953 | err_offset = j; | |
3954 | err_word = word_read; | |
3955 | err_pattern = word_pattern; | |
3956 | return (RAM_TEST_FAILED); | |
3957 | } | |
3958 | } | |
3959 | } | |
3960 | ||
3961 | /* Zero out memory. */ | |
3962 | for(page = 0; page < pages_of_ram && (~err); page++) | |
3963 | { | |
3964 | smctr_set_page(dev, (__u8 *)(tp->ram_access | |
3965 | + (page * tp->ram_usable * 1024))); | |
3966 | word_pattern = 0; | |
3967 | ||
3968 | for(j = 0; j < (__u32)tp->ram_usable * 1024; j +=2) | |
3969 | *(__u16 *)(pword + j) = word_pattern; | |
3970 | ||
3971 | for(j =0; j < (__u32)tp->ram_usable * 1024 | |
3972 | && (~err); j += 2) | |
3973 | { | |
3974 | word_read = *(__u16 *)(pword + j); | |
3975 | if(word_read != word_pattern) | |
3976 | { | |
3977 | err = (__u8)1; | |
3978 | err_offset = j; | |
3979 | err_word = word_read; | |
3980 | err_pattern = word_pattern; | |
3981 | return (RAM_TEST_FAILED); | |
3982 | } | |
3983 | } | |
3984 | } | |
3985 | ||
3986 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
3987 | ||
3988 | return (0); | |
3989 | } | |
3990 | ||
3991 | static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf, | |
3992 | __u16 *correlator) | |
3993 | { | |
3994 | MAC_SUB_VECTOR *rsv; | |
3995 | signed short vlen; | |
3996 | __u16 rcode = POSITIVE_ACK; | |
3997 | unsigned int svectors = F_NO_SUB_VECTORS_FOUND; | |
3998 | ||
3999 | /* This Frame can only come from a CRS */ | |
4000 | if((rmf->dc_sc & SC_MASK) != SC_CRS) | |
4001 | return(E_INAPPROPRIATE_SOURCE_CLASS); | |
4002 | ||
4003 | /* Remove MVID Length from total length. */ | |
4004 | vlen = (signed short)rmf->vl - 4; | |
4005 | ||
4006 | /* Point to First SVID */ | |
4007 | rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); | |
4008 | ||
4009 | /* Search for Appropriate SVID's. */ | |
4010 | while((vlen > 0) && (rcode == POSITIVE_ACK)) | |
4011 | { | |
4012 | switch(rsv->svi) | |
4013 | { | |
4014 | case CORRELATOR: | |
4015 | svectors |= F_CORRELATOR; | |
4016 | rcode = smctr_set_corr(dev, rsv, correlator); | |
4017 | break; | |
4018 | ||
4019 | case LOCAL_RING_NUMBER: | |
4020 | svectors |= F_LOCAL_RING_NUMBER; | |
4021 | rcode = smctr_set_local_ring_num(dev, rsv); | |
4022 | break; | |
4023 | ||
4024 | case ASSIGN_PHYSICAL_DROP: | |
4025 | svectors |= F_ASSIGN_PHYSICAL_DROP; | |
4026 | rcode = smctr_set_phy_drop(dev, rsv); | |
4027 | break; | |
4028 | ||
4029 | case ERROR_TIMER_VALUE: | |
4030 | svectors |= F_ERROR_TIMER_VALUE; | |
4031 | rcode = smctr_set_error_timer_value(dev, rsv); | |
4032 | break; | |
4033 | ||
4034 | case AUTHORIZED_FUNCTION_CLASS: | |
4035 | svectors |= F_AUTHORIZED_FUNCTION_CLASS; | |
4036 | rcode = smctr_set_auth_funct_class(dev, rsv); | |
4037 | break; | |
4038 | ||
4039 | case AUTHORIZED_ACCESS_PRIORITY: | |
4040 | svectors |= F_AUTHORIZED_ACCESS_PRIORITY; | |
4041 | rcode = smctr_set_auth_access_pri(dev, rsv); | |
4042 | break; | |
4043 | ||
4044 | default: | |
4045 | rcode = E_SUB_VECTOR_UNKNOWN; | |
4046 | break; | |
4047 | } | |
4048 | ||
4049 | /* Let Sender Know if SUM of SV length's is | |
4050 | * larger then length in MVID length field | |
4051 | */ | |
4052 | if((vlen -= rsv->svl) < 0) | |
4053 | rcode = E_VECTOR_LENGTH_ERROR; | |
4054 | ||
4055 | rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); | |
4056 | } | |
4057 | ||
4058 | if(rcode == POSITIVE_ACK) | |
4059 | { | |
4060 | /* Let Sender Know if MVID length field | |
4061 | * is larger then SUM of SV length's | |
4062 | */ | |
4063 | if(vlen != 0) | |
4064 | rcode = E_VECTOR_LENGTH_ERROR; | |
4065 | else | |
4066 | { | |
4067 | /* Let Sender Know if Expected SVID Missing */ | |
4068 | if((svectors & R_CHG_PARM) ^ R_CHG_PARM) | |
4069 | rcode = E_MISSING_SUB_VECTOR; | |
4070 | } | |
4071 | } | |
4072 | ||
4073 | return (rcode); | |
4074 | } | |
4075 | ||
4076 | static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf, | |
4077 | __u16 *correlator) | |
4078 | { | |
4079 | MAC_SUB_VECTOR *rsv; | |
4080 | signed short vlen; | |
4081 | __u16 rcode = POSITIVE_ACK; | |
4082 | unsigned int svectors = F_NO_SUB_VECTORS_FOUND; | |
4083 | ||
4084 | /* This Frame can only come from a RPS */ | |
4085 | if((rmf->dc_sc & SC_MASK) != SC_RPS) | |
4086 | return (E_INAPPROPRIATE_SOURCE_CLASS); | |
4087 | ||
4088 | /* Remove MVID Length from total length. */ | |
4089 | vlen = (signed short)rmf->vl - 4; | |
4090 | ||
4091 | /* Point to First SVID */ | |
4092 | rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); | |
4093 | ||
4094 | /* Search for Appropriate SVID's */ | |
4095 | while((vlen > 0) && (rcode == POSITIVE_ACK)) | |
4096 | { | |
4097 | switch(rsv->svi) | |
4098 | { | |
4099 | case CORRELATOR: | |
4100 | svectors |= F_CORRELATOR; | |
4101 | rcode = smctr_set_corr(dev, rsv, correlator); | |
4102 | break; | |
4103 | ||
4104 | case LOCAL_RING_NUMBER: | |
4105 | svectors |= F_LOCAL_RING_NUMBER; | |
4106 | rcode = smctr_set_local_ring_num(dev, rsv); | |
4107 | break; | |
4108 | ||
4109 | case ASSIGN_PHYSICAL_DROP: | |
4110 | svectors |= F_ASSIGN_PHYSICAL_DROP; | |
4111 | rcode = smctr_set_phy_drop(dev, rsv); | |
4112 | break; | |
4113 | ||
4114 | case ERROR_TIMER_VALUE: | |
4115 | svectors |= F_ERROR_TIMER_VALUE; | |
4116 | rcode = smctr_set_error_timer_value(dev, rsv); | |
4117 | break; | |
4118 | ||
4119 | default: | |
4120 | rcode = E_SUB_VECTOR_UNKNOWN; | |
4121 | break; | |
4122 | } | |
4123 | ||
4124 | /* Let Sender Know if SUM of SV length's is | |
4125 | * larger then length in MVID length field | |
4126 | */ | |
4127 | if((vlen -= rsv->svl) < 0) | |
4128 | rcode = E_VECTOR_LENGTH_ERROR; | |
4129 | ||
4130 | rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); | |
4131 | } | |
4132 | ||
4133 | if(rcode == POSITIVE_ACK) | |
4134 | { | |
4135 | /* Let Sender Know if MVID length field | |
4136 | * is larger then SUM of SV length's | |
4137 | */ | |
4138 | if(vlen != 0) | |
4139 | rcode = E_VECTOR_LENGTH_ERROR; | |
4140 | else | |
4141 | { | |
4142 | /* Let Sender Know if Expected SV Missing */ | |
4143 | if((svectors & R_INIT) ^ R_INIT) | |
4144 | rcode = E_MISSING_SUB_VECTOR; | |
4145 | } | |
4146 | } | |
4147 | ||
4148 | return (rcode); | |
4149 | } | |
4150 | ||
4151 | static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf) | |
4152 | { | |
4153 | MAC_SUB_VECTOR *rsv; | |
4154 | signed short vlen; | |
4155 | __u16 rcode = POSITIVE_ACK; | |
4156 | unsigned int svectors = F_NO_SUB_VECTORS_FOUND; | |
4157 | ||
4158 | /* This Frame can only come from a CRS */ | |
4159 | if((rmf->dc_sc & SC_MASK) != SC_CRS) | |
4160 | return (E_INAPPROPRIATE_SOURCE_CLASS); | |
4161 | ||
4162 | /* Remove MVID Length from total length */ | |
4163 | vlen = (signed short)rmf->vl - 4; | |
4164 | ||
4165 | /* Point to First SVID */ | |
4166 | rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); | |
4167 | ||
4168 | /* Search for Appropriate SVID's */ | |
4169 | while((vlen > 0) && (rcode == POSITIVE_ACK)) | |
4170 | { | |
4171 | switch(rsv->svi) | |
4172 | { | |
4173 | case FRAME_FORWARD: | |
4174 | svectors |= F_FRAME_FORWARD; | |
4175 | rcode = smctr_set_frame_forward(dev, rsv, | |
4176 | rmf->dc_sc); | |
4177 | break; | |
4178 | ||
4179 | default: | |
4180 | rcode = E_SUB_VECTOR_UNKNOWN; | |
4181 | break; | |
4182 | } | |
4183 | ||
4184 | /* Let Sender Know if SUM of SV length's is | |
4185 | * larger then length in MVID length field | |
4186 | */ | |
4187 | if((vlen -= rsv->svl) < 0) | |
4188 | rcode = E_VECTOR_LENGTH_ERROR; | |
4189 | ||
4190 | rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); | |
4191 | } | |
4192 | ||
4193 | if(rcode == POSITIVE_ACK) | |
4194 | { | |
4195 | /* Let Sender Know if MVID length field | |
4196 | * is larger then SUM of SV length's | |
4197 | */ | |
4198 | if(vlen != 0) | |
4199 | rcode = E_VECTOR_LENGTH_ERROR; | |
4200 | else | |
4201 | { | |
4202 | /* Let Sender Know if Expected SV Missing */ | |
4203 | if((svectors & R_TX_FORWARD) ^ R_TX_FORWARD) | |
4204 | rcode = E_MISSING_SUB_VECTOR; | |
4205 | } | |
4206 | } | |
4207 | ||
4208 | return (rcode); | |
4209 | } | |
4210 | ||
4211 | static int smctr_rcv_rq_addr_state_attch(struct net_device *dev, | |
4212 | MAC_HEADER *rmf, __u16 *correlator) | |
4213 | { | |
4214 | MAC_SUB_VECTOR *rsv; | |
4215 | signed short vlen; | |
4216 | __u16 rcode = POSITIVE_ACK; | |
4217 | unsigned int svectors = F_NO_SUB_VECTORS_FOUND; | |
4218 | ||
4219 | /* Remove MVID Length from total length */ | |
4220 | vlen = (signed short)rmf->vl - 4; | |
4221 | ||
4222 | /* Point to First SVID */ | |
4223 | rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); | |
4224 | ||
4225 | /* Search for Appropriate SVID's */ | |
4226 | while((vlen > 0) && (rcode == POSITIVE_ACK)) | |
4227 | { | |
4228 | switch(rsv->svi) | |
4229 | { | |
4230 | case CORRELATOR: | |
4231 | svectors |= F_CORRELATOR; | |
4232 | rcode = smctr_set_corr(dev, rsv, correlator); | |
4233 | break; | |
4234 | ||
4235 | default: | |
4236 | rcode = E_SUB_VECTOR_UNKNOWN; | |
4237 | break; | |
4238 | } | |
4239 | ||
4240 | /* Let Sender Know if SUM of SV length's is | |
4241 | * larger then length in MVID length field | |
4242 | */ | |
4243 | if((vlen -= rsv->svl) < 0) | |
4244 | rcode = E_VECTOR_LENGTH_ERROR; | |
4245 | ||
4246 | rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); | |
4247 | } | |
4248 | ||
4249 | if(rcode == POSITIVE_ACK) | |
4250 | { | |
4251 | /* Let Sender Know if MVID length field | |
4252 | * is larger then SUM of SV length's | |
4253 | */ | |
4254 | if(vlen != 0) | |
4255 | rcode = E_VECTOR_LENGTH_ERROR; | |
4256 | else | |
4257 | { | |
4258 | /* Let Sender Know if Expected SVID Missing */ | |
4259 | if((svectors & R_RQ_ATTCH_STATE_ADDR) | |
4260 | ^ R_RQ_ATTCH_STATE_ADDR) | |
4261 | rcode = E_MISSING_SUB_VECTOR; | |
4262 | } | |
4263 | } | |
4264 | ||
4265 | return (rcode); | |
4266 | } | |
4267 | ||
4268 | static int smctr_rcv_unknown(struct net_device *dev, MAC_HEADER *rmf, | |
4269 | __u16 *correlator) | |
4270 | { | |
4271 | MAC_SUB_VECTOR *rsv; | |
4272 | signed short vlen; | |
4273 | ||
4274 | *correlator = 0; | |
4275 | ||
4276 | /* Remove MVID Length from total length */ | |
4277 | vlen = (signed short)rmf->vl - 4; | |
4278 | ||
4279 | /* Point to First SVID */ | |
4280 | rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); | |
4281 | ||
4282 | /* Search for CORRELATOR for RSP to UNKNOWN */ | |
4283 | while((vlen > 0) && (*correlator == 0)) | |
4284 | { | |
4285 | switch(rsv->svi) | |
4286 | { | |
4287 | case CORRELATOR: | |
4288 | smctr_set_corr(dev, rsv, correlator); | |
4289 | break; | |
4290 | ||
4291 | default: | |
4292 | break; | |
4293 | } | |
4294 | ||
4295 | vlen -= rsv->svl; | |
4296 | rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); | |
4297 | } | |
4298 | ||
4299 | return (E_UNRECOGNIZED_VECTOR_ID); | |
4300 | } | |
4301 | ||
4302 | /* | |
4303 | * Reset the 825 NIC and exit w: | |
4304 | * 1. The NIC reset cleared (non-reset state), halted and un-initialized. | |
4305 | * 2. TINT masked. | |
4306 | * 3. CBUSY masked. | |
4307 | * 4. TINT clear. | |
4308 | * 5. CBUSY clear. | |
4309 | */ | |
4310 | static int smctr_reset_adapter(struct net_device *dev) | |
4311 | { | |
4312 | struct net_local *tp = netdev_priv(dev); | |
4313 | int ioaddr = dev->base_addr; | |
4314 | ||
4315 | /* Reseting the NIC will put it in a halted and un-initialized state. */ smctr_set_trc_reset(ioaddr); | |
4316 | mdelay(200); /* ~2 ms */ | |
4317 | ||
4318 | smctr_clear_trc_reset(ioaddr); | |
4319 | mdelay(200); /* ~2 ms */ | |
4320 | ||
4321 | /* Remove any latched interrupts that occurred prior to reseting the | |
4322 | * adapter or possibily caused by line glitches due to the reset. | |
4323 | */ | |
4324 | outb(tp->trc_mask | CSR_CLRTINT | CSR_CLRCBUSY, ioaddr + CSR); | |
4325 | ||
4326 | return (0); | |
4327 | } | |
4328 | ||
4329 | static int smctr_restart_tx_chain(struct net_device *dev, short queue) | |
4330 | { | |
4331 | struct net_local *tp = netdev_priv(dev); | |
4332 | int err = 0; | |
4333 | ||
4334 | if(smctr_debug > 10) | |
4335 | printk(KERN_DEBUG "%s: smctr_restart_tx_chain\n", dev->name); | |
4336 | ||
4337 | if(tp->num_tx_fcbs_used[queue] != 0 | |
4338 | && tp->tx_queue_status[queue] == NOT_TRANSMITING) | |
4339 | { | |
4340 | tp->tx_queue_status[queue] = TRANSMITING; | |
4341 | err = smctr_issue_resume_tx_fcb_cmd(dev, queue); | |
4342 | } | |
4343 | ||
4344 | return (err); | |
4345 | } | |
4346 | ||
4347 | static int smctr_ring_status_chg(struct net_device *dev) | |
4348 | { | |
4349 | struct net_local *tp = netdev_priv(dev); | |
4350 | ||
4351 | if(smctr_debug > 10) | |
4352 | printk(KERN_DEBUG "%s: smctr_ring_status_chg\n", dev->name); | |
4353 | ||
4354 | /* Check for ring_status_flag: whenever MONITOR_STATE_BIT | |
4355 | * Bit is set, check value of monitor_state, only then we | |
4356 | * enable and start transmit/receive timeout (if and only | |
4357 | * if it is MS_ACTIVE_MONITOR_STATE or MS_STANDBY_MONITOR_STATE) | |
4358 | */ | |
4359 | if(tp->ring_status_flags == MONITOR_STATE_CHANGED) | |
4360 | { | |
4361 | if((tp->monitor_state == MS_ACTIVE_MONITOR_STATE) | |
4362 | || (tp->monitor_state == MS_STANDBY_MONITOR_STATE)) | |
4363 | { | |
4364 | tp->monitor_state_ready = 1; | |
4365 | } | |
4366 | else | |
4367 | { | |
4368 | /* if adapter is NOT in either active monitor | |
4369 | * or standby monitor state => Disable | |
4370 | * transmit/receive timeout. | |
4371 | */ | |
4372 | tp->monitor_state_ready = 0; | |
4373 | ||
4374 | /* Ring speed problem, switching to auto mode. */ | |
4375 | if(tp->monitor_state == MS_MONITOR_FSM_INACTIVE | |
4376 | && !tp->cleanup) | |
4377 | { | |
4378 | printk(KERN_INFO "%s: Incorrect ring speed switching.\n", | |
4379 | dev->name); | |
4380 | smctr_set_ring_speed(dev); | |
4381 | } | |
4382 | } | |
4383 | } | |
4384 | ||
4385 | if(!(tp->ring_status_flags & RING_STATUS_CHANGED)) | |
4386 | return (0); | |
4387 | ||
4388 | switch(tp->ring_status) | |
4389 | { | |
4390 | case RING_RECOVERY: | |
4391 | printk(KERN_INFO "%s: Ring Recovery\n", dev->name); | |
4392 | tp->current_ring_status |= RING_RECOVERY; | |
4393 | break; | |
4394 | ||
4395 | case SINGLE_STATION: | |
4396 | printk(KERN_INFO "%s: Single Statinon\n", dev->name); | |
4397 | tp->current_ring_status |= SINGLE_STATION; | |
4398 | break; | |
4399 | ||
4400 | case COUNTER_OVERFLOW: | |
4401 | printk(KERN_INFO "%s: Counter Overflow\n", dev->name); | |
4402 | tp->current_ring_status |= COUNTER_OVERFLOW; | |
4403 | break; | |
4404 | ||
4405 | case REMOVE_RECEIVED: | |
4406 | printk(KERN_INFO "%s: Remove Received\n", dev->name); | |
4407 | tp->current_ring_status |= REMOVE_RECEIVED; | |
4408 | break; | |
4409 | ||
4410 | case AUTO_REMOVAL_ERROR: | |
4411 | printk(KERN_INFO "%s: Auto Remove Error\n", dev->name); | |
4412 | tp->current_ring_status |= AUTO_REMOVAL_ERROR; | |
4413 | break; | |
4414 | ||
4415 | case LOBE_WIRE_FAULT: | |
4416 | printk(KERN_INFO "%s: Lobe Wire Fault\n", dev->name); | |
4417 | tp->current_ring_status |= LOBE_WIRE_FAULT; | |
4418 | break; | |
4419 | ||
4420 | case TRANSMIT_BEACON: | |
4421 | printk(KERN_INFO "%s: Transmit Beacon\n", dev->name); | |
4422 | tp->current_ring_status |= TRANSMIT_BEACON; | |
4423 | break; | |
4424 | ||
4425 | case SOFT_ERROR: | |
4426 | printk(KERN_INFO "%s: Soft Error\n", dev->name); | |
4427 | tp->current_ring_status |= SOFT_ERROR; | |
4428 | break; | |
4429 | ||
4430 | case HARD_ERROR: | |
4431 | printk(KERN_INFO "%s: Hard Error\n", dev->name); | |
4432 | tp->current_ring_status |= HARD_ERROR; | |
4433 | break; | |
4434 | ||
4435 | case SIGNAL_LOSS: | |
4436 | printk(KERN_INFO "%s: Signal Loss\n", dev->name); | |
4437 | tp->current_ring_status |= SIGNAL_LOSS; | |
4438 | break; | |
4439 | ||
4440 | default: | |
4441 | printk(KERN_INFO "%s: Unknown ring status change\n", | |
4442 | dev->name); | |
4443 | break; | |
4444 | } | |
4445 | ||
4446 | return (0); | |
4447 | } | |
4448 | ||
4449 | static int smctr_rx_frame(struct net_device *dev) | |
4450 | { | |
4451 | struct net_local *tp = netdev_priv(dev); | |
4452 | __u16 queue, status, rx_size, err = 0; | |
4453 | __u8 *pbuff; | |
4454 | ||
4455 | if(smctr_debug > 10) | |
4456 | printk(KERN_DEBUG "%s: smctr_rx_frame\n", dev->name); | |
4457 | ||
4458 | queue = tp->receive_queue_number; | |
4459 | ||
4460 | while((status = tp->rx_fcb_curr[queue]->frame_status) != SUCCESS) | |
4461 | { | |
4462 | err = HARDWARE_FAILED; | |
4463 | ||
4464 | if(((status & 0x007f) == 0) | |
4465 | || ((tp->receive_mask & ACCEPT_ERR_PACKETS) != 0)) | |
4466 | { | |
4467 | /* frame length less the CRC (4 bytes) + FS (1 byte) */ | |
4468 | rx_size = tp->rx_fcb_curr[queue]->frame_length - 5; | |
4469 | ||
4470 | pbuff = smctr_get_rx_pointer(dev, queue); | |
4471 | ||
4472 | smctr_set_page(dev, pbuff); | |
4473 | smctr_disable_16bit(dev); | |
4474 | ||
4475 | /* pbuff points to addr within one page */ | |
4476 | pbuff = (__u8 *)PAGE_POINTER(pbuff); | |
4477 | ||
4478 | if(queue == NON_MAC_QUEUE) | |
4479 | { | |
4480 | struct sk_buff *skb; | |
4481 | ||
4482 | skb = dev_alloc_skb(rx_size); | |
4483 | if (skb) { | |
4484 | skb_put(skb, rx_size); | |
4485 | ||
4486 | memcpy(skb->data, pbuff, rx_size); | |
4487 | ||
4488 | /* Update Counters */ | |
4489 | tp->MacStat.rx_packets++; | |
4490 | tp->MacStat.rx_bytes += skb->len; | |
4491 | ||
4492 | /* Kick the packet on up. */ | |
4493 | skb->dev = dev; | |
4494 | skb->protocol = tr_type_trans(skb, dev); | |
4495 | netif_rx(skb); | |
4496 | dev->last_rx = jiffies; | |
4497 | } else { | |
4498 | } | |
4499 | } | |
4500 | else | |
4501 | smctr_process_rx_packet((MAC_HEADER *)pbuff, | |
4502 | rx_size, dev, status); | |
4503 | } | |
4504 | ||
4505 | smctr_enable_16bit(dev); | |
4506 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
4507 | smctr_update_rx_chain(dev, queue); | |
4508 | ||
4509 | if(err != SUCCESS) | |
4510 | break; | |
4511 | } | |
4512 | ||
4513 | return (err); | |
4514 | } | |
4515 | ||
4516 | static int smctr_send_dat(struct net_device *dev) | |
4517 | { | |
4518 | struct net_local *tp = netdev_priv(dev); | |
4519 | unsigned int i, err; | |
4520 | MAC_HEADER *tmf; | |
4521 | FCBlock *fcb; | |
4522 | ||
4523 | if(smctr_debug > 10) | |
4524 | printk(KERN_DEBUG "%s: smctr_send_dat\n", dev->name); | |
4525 | ||
4526 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, | |
4527 | sizeof(MAC_HEADER))) == (FCBlock *)(-1L)) | |
4528 | { | |
4529 | return (OUT_OF_RESOURCES); | |
4530 | } | |
4531 | ||
4532 | /* Initialize DAT Data Fields. */ | |
4533 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4534 | tmf->ac = MSB(AC_FC_DAT); | |
4535 | tmf->fc = LSB(AC_FC_DAT); | |
4536 | ||
4537 | for(i = 0; i < 6; i++) | |
4538 | { | |
4539 | tmf->sa[i] = dev->dev_addr[i]; | |
4540 | tmf->da[i] = dev->dev_addr[i]; | |
4541 | ||
4542 | } | |
4543 | ||
4544 | tmf->vc = DAT; | |
4545 | tmf->dc_sc = DC_RS | SC_RS; | |
4546 | tmf->vl = 4; | |
4547 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4548 | ||
4549 | /* Start Transmit. */ | |
4550 | if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) | |
4551 | return (err); | |
4552 | ||
4553 | /* Wait for Transmit to Complete */ | |
4554 | for(i = 0; i < 10000; i++) | |
4555 | { | |
4556 | if(fcb->frame_status & FCB_COMMAND_DONE) | |
4557 | break; | |
4558 | mdelay(1); | |
4559 | } | |
4560 | ||
4561 | /* Check if GOOD frame Tx'ed. */ | |
4562 | if(!(fcb->frame_status & FCB_COMMAND_DONE) | |
4563 | || fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS)) | |
4564 | { | |
4565 | return (INITIALIZE_FAILED); | |
4566 | } | |
4567 | ||
4568 | /* De-allocated Tx FCB and Frame Buffer | |
4569 | * The FCB must be de-allocated manually if executing with | |
4570 | * interrupts disabled, other wise the ISR (LM_Service_Events) | |
4571 | * will de-allocate it when the interrupt occurs. | |
4572 | */ | |
4573 | tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; | |
4574 | smctr_update_tx_chain(dev, fcb, MAC_QUEUE); | |
4575 | ||
4576 | return (0); | |
4577 | } | |
4578 | ||
4579 | static void smctr_timeout(struct net_device *dev) | |
4580 | { | |
4581 | /* | |
4582 | * If we get here, some higher level has decided we are broken. | |
4583 | * There should really be a "kick me" function call instead. | |
4584 | * | |
4585 | * Resetting the token ring adapter takes a long time so just | |
4586 | * fake transmission time and go on trying. Our own timeout | |
4587 | * routine is in sktr_timer_chk() | |
4588 | */ | |
4589 | dev->trans_start = jiffies; | |
4590 | netif_wake_queue(dev); | |
4591 | } | |
4592 | ||
4593 | /* | |
4594 | * Gets skb from system, queues it and checks if it can be sent | |
4595 | */ | |
4596 | static int smctr_send_packet(struct sk_buff *skb, struct net_device *dev) | |
4597 | { | |
4598 | struct net_local *tp = netdev_priv(dev); | |
4599 | ||
4600 | if(smctr_debug > 10) | |
4601 | printk(KERN_DEBUG "%s: smctr_send_packet\n", dev->name); | |
4602 | ||
4603 | /* | |
4604 | * Block a transmit overlap | |
4605 | */ | |
4606 | ||
4607 | netif_stop_queue(dev); | |
4608 | ||
4609 | if(tp->QueueSkb == 0) | |
4610 | return (1); /* Return with tbusy set: queue full */ | |
4611 | ||
4612 | tp->QueueSkb--; | |
4613 | skb_queue_tail(&tp->SendSkbQueue, skb); | |
4614 | smctr_hardware_send_packet(dev, tp); | |
4615 | if(tp->QueueSkb > 0) | |
4616 | netif_wake_queue(dev); | |
4617 | ||
4618 | return (0); | |
4619 | } | |
4620 | ||
4621 | static int smctr_send_lobe_media_test(struct net_device *dev) | |
4622 | { | |
4623 | struct net_local *tp = netdev_priv(dev); | |
4624 | MAC_SUB_VECTOR *tsv; | |
4625 | MAC_HEADER *tmf; | |
4626 | FCBlock *fcb; | |
4627 | __u32 i; | |
4628 | int err; | |
4629 | ||
4630 | if(smctr_debug > 15) | |
4631 | printk(KERN_DEBUG "%s: smctr_send_lobe_media_test\n", dev->name); | |
4632 | ||
4633 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(struct trh_hdr) | |
4634 | + S_WRAP_DATA + S_WRAP_DATA)) == (FCBlock *)(-1L)) | |
4635 | { | |
4636 | return (OUT_OF_RESOURCES); | |
4637 | } | |
4638 | ||
4639 | /* Initialize DAT Data Fields. */ | |
4640 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4641 | tmf->ac = MSB(AC_FC_LOBE_MEDIA_TEST); | |
4642 | tmf->fc = LSB(AC_FC_LOBE_MEDIA_TEST); | |
4643 | ||
4644 | for(i = 0; i < 6; i++) | |
4645 | { | |
4646 | tmf->da[i] = 0; | |
4647 | tmf->sa[i] = dev->dev_addr[i]; | |
4648 | } | |
4649 | ||
4650 | tmf->vc = LOBE_MEDIA_TEST; | |
4651 | tmf->dc_sc = DC_RS | SC_RS; | |
4652 | tmf->vl = 4; | |
4653 | ||
4654 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4655 | smctr_make_wrap_data(dev, tsv); | |
4656 | tmf->vl += tsv->svl; | |
4657 | ||
4658 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4659 | smctr_make_wrap_data(dev, tsv); | |
4660 | tmf->vl += tsv->svl; | |
4661 | ||
4662 | /* Start Transmit. */ | |
4663 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4664 | if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) | |
4665 | return (err); | |
4666 | ||
4667 | /* Wait for Transmit to Complete. (10 ms). */ | |
4668 | for(i=0; i < 10000; i++) | |
4669 | { | |
4670 | if(fcb->frame_status & FCB_COMMAND_DONE) | |
4671 | break; | |
4672 | mdelay(1); | |
4673 | } | |
4674 | ||
4675 | /* Check if GOOD frame Tx'ed */ | |
4676 | if(!(fcb->frame_status & FCB_COMMAND_DONE) | |
4677 | || fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS)) | |
4678 | { | |
4679 | return (LOBE_MEDIA_TEST_FAILED); | |
4680 | } | |
4681 | ||
4682 | /* De-allocated Tx FCB and Frame Buffer | |
4683 | * The FCB must be de-allocated manually if executing with | |
4684 | * interrupts disabled, other wise the ISR (LM_Service_Events) | |
4685 | * will de-allocate it when the interrupt occurs. | |
4686 | */ | |
4687 | tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; | |
4688 | smctr_update_tx_chain(dev, fcb, MAC_QUEUE); | |
4689 | ||
4690 | return (0); | |
4691 | } | |
4692 | ||
4693 | static int smctr_send_rpt_addr(struct net_device *dev, MAC_HEADER *rmf, | |
4694 | __u16 correlator) | |
4695 | { | |
4696 | MAC_HEADER *tmf; | |
4697 | MAC_SUB_VECTOR *tsv; | |
4698 | FCBlock *fcb; | |
4699 | ||
4700 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) | |
4701 | + S_CORRELATOR + S_PHYSICAL_DROP + S_UPSTREAM_NEIGHBOR_ADDRESS | |
4702 | + S_ADDRESS_MODIFER + S_GROUP_ADDRESS + S_FUNCTIONAL_ADDRESS)) | |
4703 | == (FCBlock *)(-1L)) | |
4704 | { | |
4705 | return (0); | |
4706 | } | |
4707 | ||
4708 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4709 | tmf->vc = RPT_ADDR; | |
4710 | tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; | |
4711 | tmf->vl = 4; | |
4712 | ||
4713 | smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_ADDR); | |
4714 | ||
4715 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4716 | smctr_make_corr(dev, tsv, correlator); | |
4717 | ||
4718 | tmf->vl += tsv->svl; | |
4719 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4720 | smctr_make_phy_drop_num(dev, tsv); | |
4721 | ||
4722 | tmf->vl += tsv->svl; | |
4723 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4724 | smctr_make_upstream_neighbor_addr(dev, tsv); | |
4725 | ||
4726 | tmf->vl += tsv->svl; | |
4727 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4728 | smctr_make_addr_mod(dev, tsv); | |
4729 | ||
4730 | tmf->vl += tsv->svl; | |
4731 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4732 | smctr_make_group_addr(dev, tsv); | |
4733 | ||
4734 | tmf->vl += tsv->svl; | |
4735 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4736 | smctr_make_funct_addr(dev, tsv); | |
4737 | ||
4738 | tmf->vl += tsv->svl; | |
4739 | ||
4740 | /* Subtract out MVID and MVL which is | |
4741 | * include in both vl and MAC_HEADER | |
4742 | */ | |
4743 | /* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4744 | fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4745 | */ | |
4746 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4747 | ||
4748 | return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); | |
4749 | } | |
4750 | ||
4751 | static int smctr_send_rpt_attch(struct net_device *dev, MAC_HEADER *rmf, | |
4752 | __u16 correlator) | |
4753 | { | |
4754 | MAC_HEADER *tmf; | |
4755 | MAC_SUB_VECTOR *tsv; | |
4756 | FCBlock *fcb; | |
4757 | ||
4758 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) | |
4759 | + S_CORRELATOR + S_PRODUCT_INSTANCE_ID + S_FUNCTIONAL_ADDRESS | |
4760 | + S_AUTHORIZED_FUNCTION_CLASS + S_AUTHORIZED_ACCESS_PRIORITY)) | |
4761 | == (FCBlock *)(-1L)) | |
4762 | { | |
4763 | return (0); | |
4764 | } | |
4765 | ||
4766 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4767 | tmf->vc = RPT_ATTCH; | |
4768 | tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; | |
4769 | tmf->vl = 4; | |
4770 | ||
4771 | smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_ATTCH); | |
4772 | ||
4773 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4774 | smctr_make_corr(dev, tsv, correlator); | |
4775 | ||
4776 | tmf->vl += tsv->svl; | |
4777 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4778 | smctr_make_product_id(dev, tsv); | |
4779 | ||
4780 | tmf->vl += tsv->svl; | |
4781 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4782 | smctr_make_funct_addr(dev, tsv); | |
4783 | ||
4784 | tmf->vl += tsv->svl; | |
4785 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4786 | smctr_make_auth_funct_class(dev, tsv); | |
4787 | ||
4788 | tmf->vl += tsv->svl; | |
4789 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4790 | smctr_make_access_pri(dev, tsv); | |
4791 | ||
4792 | tmf->vl += tsv->svl; | |
4793 | ||
4794 | /* Subtract out MVID and MVL which is | |
4795 | * include in both vl and MAC_HEADER | |
4796 | */ | |
4797 | /* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4798 | fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4799 | */ | |
4800 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4801 | ||
4802 | return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); | |
4803 | } | |
4804 | ||
4805 | static int smctr_send_rpt_state(struct net_device *dev, MAC_HEADER *rmf, | |
4806 | __u16 correlator) | |
4807 | { | |
4808 | MAC_HEADER *tmf; | |
4809 | MAC_SUB_VECTOR *tsv; | |
4810 | FCBlock *fcb; | |
4811 | ||
4812 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) | |
4813 | + S_CORRELATOR + S_RING_STATION_VERSION_NUMBER | |
4814 | + S_RING_STATION_STATUS + S_STATION_IDENTIFER)) | |
4815 | == (FCBlock *)(-1L)) | |
4816 | { | |
4817 | return (0); | |
4818 | } | |
4819 | ||
4820 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4821 | tmf->vc = RPT_STATE; | |
4822 | tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; | |
4823 | tmf->vl = 4; | |
4824 | ||
4825 | smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_STATE); | |
4826 | ||
4827 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4828 | smctr_make_corr(dev, tsv, correlator); | |
4829 | ||
4830 | tmf->vl += tsv->svl; | |
4831 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4832 | smctr_make_ring_station_version(dev, tsv); | |
4833 | ||
4834 | tmf->vl += tsv->svl; | |
4835 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4836 | smctr_make_ring_station_status(dev, tsv); | |
4837 | ||
4838 | tmf->vl += tsv->svl; | |
4839 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4840 | smctr_make_station_id(dev, tsv); | |
4841 | ||
4842 | tmf->vl += tsv->svl; | |
4843 | ||
4844 | /* Subtract out MVID and MVL which is | |
4845 | * include in both vl and MAC_HEADER | |
4846 | */ | |
4847 | /* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4848 | fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4849 | */ | |
4850 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4851 | ||
4852 | return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); | |
4853 | } | |
4854 | ||
4855 | static int smctr_send_rpt_tx_forward(struct net_device *dev, | |
4856 | MAC_HEADER *rmf, __u16 tx_fstatus) | |
4857 | { | |
4858 | MAC_HEADER *tmf; | |
4859 | MAC_SUB_VECTOR *tsv; | |
4860 | FCBlock *fcb; | |
4861 | ||
4862 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) | |
4863 | + S_TRANSMIT_STATUS_CODE)) == (FCBlock *)(-1L)) | |
4864 | { | |
4865 | return (0); | |
4866 | } | |
4867 | ||
4868 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4869 | tmf->vc = RPT_TX_FORWARD; | |
4870 | tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; | |
4871 | tmf->vl = 4; | |
4872 | ||
4873 | smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_TX_FORWARD); | |
4874 | ||
4875 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4876 | smctr_make_tx_status_code(dev, tsv, tx_fstatus); | |
4877 | ||
4878 | tmf->vl += tsv->svl; | |
4879 | ||
4880 | /* Subtract out MVID and MVL which is | |
4881 | * include in both vl and MAC_HEADER | |
4882 | */ | |
4883 | /* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4884 | fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4885 | */ | |
4886 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4887 | ||
4888 | return(smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); | |
4889 | } | |
4890 | ||
4891 | static int smctr_send_rsp(struct net_device *dev, MAC_HEADER *rmf, | |
4892 | __u16 rcode, __u16 correlator) | |
4893 | { | |
4894 | MAC_HEADER *tmf; | |
4895 | MAC_SUB_VECTOR *tsv; | |
4896 | FCBlock *fcb; | |
4897 | ||
4898 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) | |
4899 | + S_CORRELATOR + S_RESPONSE_CODE)) == (FCBlock *)(-1L)) | |
4900 | { | |
4901 | return (0); | |
4902 | } | |
4903 | ||
4904 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4905 | tmf->vc = RSP; | |
4906 | tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; | |
4907 | tmf->vl = 4; | |
4908 | ||
4909 | smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RSP); | |
4910 | ||
4911 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4912 | smctr_make_corr(dev, tsv, correlator); | |
4913 | ||
4914 | return (0); | |
4915 | } | |
4916 | ||
4917 | static int smctr_send_rq_init(struct net_device *dev) | |
4918 | { | |
4919 | struct net_local *tp = netdev_priv(dev); | |
4920 | MAC_HEADER *tmf; | |
4921 | MAC_SUB_VECTOR *tsv; | |
4922 | FCBlock *fcb; | |
4923 | unsigned int i, count = 0; | |
4924 | __u16 fstatus; | |
4925 | int err; | |
4926 | ||
4927 | do { | |
4928 | if(((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) | |
4929 | + S_PRODUCT_INSTANCE_ID + S_UPSTREAM_NEIGHBOR_ADDRESS | |
4930 | + S_RING_STATION_VERSION_NUMBER + S_ADDRESS_MODIFER)) | |
4931 | == (FCBlock *)(-1L))) | |
4932 | { | |
4933 | return (0); | |
4934 | } | |
4935 | ||
4936 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4937 | tmf->vc = RQ_INIT; | |
4938 | tmf->dc_sc = DC_RPS | SC_RS; | |
4939 | tmf->vl = 4; | |
4940 | ||
4941 | smctr_make_8025_hdr(dev, NULL, tmf, AC_FC_RQ_INIT); | |
4942 | ||
4943 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4944 | smctr_make_product_id(dev, tsv); | |
4945 | ||
4946 | tmf->vl += tsv->svl; | |
4947 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4948 | smctr_make_upstream_neighbor_addr(dev, tsv); | |
4949 | ||
4950 | tmf->vl += tsv->svl; | |
4951 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4952 | smctr_make_ring_station_version(dev, tsv); | |
4953 | ||
4954 | tmf->vl += tsv->svl; | |
4955 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4956 | smctr_make_addr_mod(dev, tsv); | |
4957 | ||
4958 | tmf->vl += tsv->svl; | |
4959 | ||
4960 | /* Subtract out MVID and MVL which is | |
4961 | * include in both vl and MAC_HEADER | |
4962 | */ | |
4963 | /* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4964 | fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4965 | */ | |
4966 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4967 | ||
4968 | if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) | |
4969 | return (err); | |
4970 | ||
4971 | /* Wait for Transmit to Complete */ | |
4972 | for(i = 0; i < 10000; i++) | |
4973 | { | |
4974 | if(fcb->frame_status & FCB_COMMAND_DONE) | |
4975 | break; | |
4976 | mdelay(1); | |
4977 | } | |
4978 | ||
4979 | /* Check if GOOD frame Tx'ed */ | |
4980 | fstatus = fcb->frame_status; | |
4981 | ||
4982 | if(!(fstatus & FCB_COMMAND_DONE)) | |
4983 | return (HARDWARE_FAILED); | |
4984 | ||
4985 | if(!(fstatus & FCB_TX_STATUS_E)) | |
4986 | count++; | |
4987 | ||
4988 | /* De-allocated Tx FCB and Frame Buffer | |
4989 | * The FCB must be de-allocated manually if executing with | |
4990 | * interrupts disabled, other wise the ISR (LM_Service_Events) | |
4991 | * will de-allocate it when the interrupt occurs. | |
4992 | */ | |
4993 | tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; | |
4994 | smctr_update_tx_chain(dev, fcb, MAC_QUEUE); | |
4995 | } while(count < 4 && ((fstatus & FCB_TX_AC_BITS) ^ FCB_TX_AC_BITS)); | |
4996 | ||
4997 | return (smctr_join_complete_state(dev)); | |
4998 | } | |
4999 | ||
5000 | static int smctr_send_tx_forward(struct net_device *dev, MAC_HEADER *rmf, | |
5001 | __u16 *tx_fstatus) | |
5002 | { | |
5003 | struct net_local *tp = netdev_priv(dev); | |
5004 | FCBlock *fcb; | |
5005 | unsigned int i; | |
5006 | int err; | |
5007 | ||
5008 | /* Check if this is the END POINT of the Transmit Forward Chain. */ | |
5009 | if(rmf->vl <= 18) | |
5010 | return (0); | |
5011 | ||
5012 | /* Allocate Transmit FCB only by requesting 0 bytes | |
5013 | * of data buffer. | |
5014 | */ | |
5015 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, 0)) == (FCBlock *)(-1L)) | |
5016 | return (0); | |
5017 | ||
5018 | /* Set pointer to Transmit Frame Buffer to the data | |
5019 | * portion of the received TX Forward frame, making | |
5020 | * sure to skip over the Vector Code (vc) and Vector | |
5021 | * length (vl). | |
5022 | */ | |
5023 | fcb->bdb_ptr->trc_data_block_ptr = TRC_POINTER((__u32)rmf | |
5024 | + sizeof(MAC_HEADER) + 2); | |
5025 | fcb->bdb_ptr->data_block_ptr = (__u16 *)((__u32)rmf | |
5026 | + sizeof(MAC_HEADER) + 2); | |
5027 | ||
5028 | fcb->frame_length = rmf->vl - 4 - 2; | |
5029 | fcb->bdb_ptr->buffer_length = rmf->vl - 4 - 2; | |
5030 | ||
5031 | if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) | |
5032 | return (err); | |
5033 | ||
5034 | /* Wait for Transmit to Complete */ | |
5035 | for(i = 0; i < 10000; i++) | |
5036 | { | |
5037 | if(fcb->frame_status & FCB_COMMAND_DONE) | |
5038 | break; | |
5039 | mdelay(1); | |
5040 | } | |
5041 | ||
5042 | /* Check if GOOD frame Tx'ed */ | |
5043 | if(!(fcb->frame_status & FCB_COMMAND_DONE)) | |
5044 | { | |
5045 | if((err = smctr_issue_resume_tx_fcb_cmd(dev, MAC_QUEUE))) | |
5046 | return (err); | |
5047 | ||
5048 | for(i = 0; i < 10000; i++) | |
5049 | { | |
5050 | if(fcb->frame_status & FCB_COMMAND_DONE) | |
5051 | break; | |
5052 | mdelay(1); | |
5053 | } | |
5054 | ||
5055 | if(!(fcb->frame_status & FCB_COMMAND_DONE)) | |
5056 | return (HARDWARE_FAILED); | |
5057 | } | |
5058 | ||
5059 | *tx_fstatus = fcb->frame_status; | |
5060 | ||
5061 | return (A_FRAME_WAS_FORWARDED); | |
5062 | } | |
5063 | ||
5064 | static int smctr_set_auth_access_pri(struct net_device *dev, | |
5065 | MAC_SUB_VECTOR *rsv) | |
5066 | { | |
5067 | struct net_local *tp = netdev_priv(dev); | |
5068 | ||
5069 | if(rsv->svl != S_AUTHORIZED_ACCESS_PRIORITY) | |
5070 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5071 | ||
5072 | tp->authorized_access_priority = (rsv->svv[0] << 8 | rsv->svv[1]); | |
5073 | ||
5074 | return (POSITIVE_ACK); | |
5075 | } | |
5076 | ||
5077 | static int smctr_set_auth_funct_class(struct net_device *dev, | |
5078 | MAC_SUB_VECTOR *rsv) | |
5079 | { | |
5080 | struct net_local *tp = netdev_priv(dev); | |
5081 | ||
5082 | if(rsv->svl != S_AUTHORIZED_FUNCTION_CLASS) | |
5083 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5084 | ||
5085 | tp->authorized_function_classes = (rsv->svv[0] << 8 | rsv->svv[1]); | |
5086 | ||
5087 | return (POSITIVE_ACK); | |
5088 | } | |
5089 | ||
5090 | static int smctr_set_corr(struct net_device *dev, MAC_SUB_VECTOR *rsv, | |
5091 | __u16 *correlator) | |
5092 | { | |
5093 | if(rsv->svl != S_CORRELATOR) | |
5094 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5095 | ||
5096 | *correlator = (rsv->svv[0] << 8 | rsv->svv[1]); | |
5097 | ||
5098 | return (POSITIVE_ACK); | |
5099 | } | |
5100 | ||
5101 | static int smctr_set_error_timer_value(struct net_device *dev, | |
5102 | MAC_SUB_VECTOR *rsv) | |
5103 | { | |
5104 | __u16 err_tval; | |
5105 | int err; | |
5106 | ||
5107 | if(rsv->svl != S_ERROR_TIMER_VALUE) | |
5108 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5109 | ||
5110 | err_tval = (rsv->svv[0] << 8 | rsv->svv[1])*10; | |
5111 | ||
5112 | smctr_issue_write_word_cmd(dev, RW_TER_THRESHOLD, &err_tval); | |
5113 | ||
5114 | if((err = smctr_wait_cmd(dev))) | |
5115 | return (err); | |
5116 | ||
5117 | return (POSITIVE_ACK); | |
5118 | } | |
5119 | ||
5120 | static int smctr_set_frame_forward(struct net_device *dev, | |
5121 | MAC_SUB_VECTOR *rsv, __u8 dc_sc) | |
5122 | { | |
5123 | if((rsv->svl < 2) || (rsv->svl > S_FRAME_FORWARD)) | |
5124 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5125 | ||
5126 | if((dc_sc & DC_MASK) != DC_CRS) | |
5127 | { | |
5128 | if(rsv->svl >= 2 && rsv->svl < 20) | |
5129 | return (E_TRANSMIT_FORWARD_INVALID); | |
5130 | ||
5131 | if((rsv->svv[0] != 0) || (rsv->svv[1] != 0)) | |
5132 | return (E_TRANSMIT_FORWARD_INVALID); | |
5133 | } | |
5134 | ||
5135 | return (POSITIVE_ACK); | |
5136 | } | |
5137 | ||
5138 | static int smctr_set_local_ring_num(struct net_device *dev, | |
5139 | MAC_SUB_VECTOR *rsv) | |
5140 | { | |
5141 | struct net_local *tp = netdev_priv(dev); | |
5142 | ||
5143 | if(rsv->svl != S_LOCAL_RING_NUMBER) | |
5144 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5145 | ||
5146 | if(tp->ptr_local_ring_num) | |
5147 | *(__u16 *)(tp->ptr_local_ring_num) | |
5148 | = (rsv->svv[0] << 8 | rsv->svv[1]); | |
5149 | ||
5150 | return (POSITIVE_ACK); | |
5151 | } | |
5152 | ||
5153 | static unsigned short smctr_set_ctrl_attention(struct net_device *dev) | |
5154 | { | |
5155 | struct net_local *tp = netdev_priv(dev); | |
5156 | int ioaddr = dev->base_addr; | |
5157 | ||
5158 | if(tp->bic_type == BIC_585_CHIP) | |
5159 | outb((tp->trc_mask | HWR_CA), ioaddr + HWR); | |
5160 | else | |
5161 | { | |
5162 | outb((tp->trc_mask | CSR_CA), ioaddr + CSR); | |
5163 | outb(tp->trc_mask, ioaddr + CSR); | |
5164 | } | |
5165 | ||
5166 | return (0); | |
5167 | } | |
5168 | ||
5169 | static void smctr_set_multicast_list(struct net_device *dev) | |
5170 | { | |
5171 | if(smctr_debug > 10) | |
5172 | printk(KERN_DEBUG "%s: smctr_set_multicast_list\n", dev->name); | |
5173 | ||
5174 | return; | |
5175 | } | |
5176 | ||
5177 | static int smctr_set_page(struct net_device *dev, __u8 *buf) | |
5178 | { | |
5179 | struct net_local *tp = netdev_priv(dev); | |
5180 | __u8 amask; | |
5181 | __u32 tptr; | |
5182 | ||
5183 | tptr = (__u32)buf - (__u32)tp->ram_access; | |
5184 | amask = (__u8)((tptr & PR_PAGE_MASK) >> 8); | |
5185 | outb(amask, dev->base_addr + PR); | |
5186 | ||
5187 | return (0); | |
5188 | } | |
5189 | ||
5190 | static int smctr_set_phy_drop(struct net_device *dev, MAC_SUB_VECTOR *rsv) | |
5191 | { | |
5192 | int err; | |
5193 | ||
5194 | if(rsv->svl != S_PHYSICAL_DROP) | |
5195 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5196 | ||
5197 | smctr_issue_write_byte_cmd(dev, RW_PHYSICAL_DROP_NUMBER, &rsv->svv[0]); | |
5198 | if((err = smctr_wait_cmd(dev))) | |
5199 | return (err); | |
5200 | ||
5201 | return (POSITIVE_ACK); | |
5202 | } | |
5203 | ||
5204 | /* Reset the ring speed to the opposite of what it was. This auto-pilot | |
5205 | * mode requires a complete reset and re-init of the adapter. | |
5206 | */ | |
5207 | static int smctr_set_ring_speed(struct net_device *dev) | |
5208 | { | |
5209 | struct net_local *tp = netdev_priv(dev); | |
5210 | int err; | |
5211 | ||
5212 | if(tp->media_type == MEDIA_UTP_16) | |
5213 | tp->media_type = MEDIA_UTP_4; | |
5214 | else | |
5215 | tp->media_type = MEDIA_UTP_16; | |
5216 | ||
5217 | smctr_enable_16bit(dev); | |
5218 | ||
5219 | /* Re-Initialize adapter's internal registers */ | |
5220 | smctr_reset_adapter(dev); | |
5221 | ||
5222 | if((err = smctr_init_card_real(dev))) | |
5223 | return (err); | |
5224 | ||
5225 | smctr_enable_bic_int(dev); | |
5226 | ||
5227 | if((err = smctr_issue_enable_int_cmd(dev, TRC_INTERRUPT_ENABLE_MASK))) | |
5228 | return (err); | |
5229 | ||
5230 | smctr_disable_16bit(dev); | |
5231 | ||
5232 | return (0); | |
5233 | } | |
5234 | ||
5235 | static int smctr_set_rx_look_ahead(struct net_device *dev) | |
5236 | { | |
5237 | struct net_local *tp = netdev_priv(dev); | |
5238 | __u16 sword, rword; | |
5239 | ||
5240 | if(smctr_debug > 10) | |
5241 | printk(KERN_DEBUG "%s: smctr_set_rx_look_ahead_flag\n", dev->name); | |
5242 | ||
5243 | tp->adapter_flags &= ~(FORCED_16BIT_MODE); | |
5244 | tp->adapter_flags |= RX_VALID_LOOKAHEAD; | |
5245 | ||
5246 | if(tp->adapter_bus == BUS_ISA16_TYPE) | |
5247 | { | |
5248 | sword = *((__u16 *)(tp->ram_access)); | |
5249 | *((__u16 *)(tp->ram_access)) = 0x1234; | |
5250 | ||
5251 | smctr_disable_16bit(dev); | |
5252 | rword = *((__u16 *)(tp->ram_access)); | |
5253 | smctr_enable_16bit(dev); | |
5254 | ||
5255 | if(rword != 0x1234) | |
5256 | tp->adapter_flags |= FORCED_16BIT_MODE; | |
5257 | ||
5258 | *((__u16 *)(tp->ram_access)) = sword; | |
5259 | } | |
5260 | ||
5261 | return (0); | |
5262 | } | |
5263 | ||
5264 | static int smctr_set_trc_reset(int ioaddr) | |
5265 | { | |
5266 | __u8 r; | |
5267 | ||
5268 | r = inb(ioaddr + MSR); | |
5269 | outb(MSR_RST | r, ioaddr + MSR); | |
5270 | ||
5271 | return (0); | |
5272 | } | |
5273 | ||
5274 | /* | |
5275 | * This function can be called if the adapter is busy or not. | |
5276 | */ | |
5277 | static int smctr_setup_single_cmd(struct net_device *dev, | |
5278 | __u16 command, __u16 subcommand) | |
5279 | { | |
5280 | struct net_local *tp = netdev_priv(dev); | |
5281 | unsigned int err; | |
5282 | ||
5283 | if(smctr_debug > 10) | |
5284 | printk(KERN_DEBUG "%s: smctr_setup_single_cmd\n", dev->name); | |
5285 | ||
5286 | if((err = smctr_wait_while_cbusy(dev))) | |
5287 | return (err); | |
5288 | ||
5289 | if((err = (unsigned int)smctr_wait_cmd(dev))) | |
5290 | return (err); | |
5291 | ||
5292 | tp->acb_head->cmd_done_status = 0; | |
5293 | tp->acb_head->cmd = command; | |
5294 | tp->acb_head->subcmd = subcommand; | |
5295 | ||
5296 | err = smctr_issue_resume_acb_cmd(dev); | |
5297 | ||
5298 | return (err); | |
5299 | } | |
5300 | ||
5301 | /* | |
5302 | * This function can not be called with the adapter busy. | |
5303 | */ | |
5304 | static int smctr_setup_single_cmd_w_data(struct net_device *dev, | |
5305 | __u16 command, __u16 subcommand) | |
5306 | { | |
5307 | struct net_local *tp = netdev_priv(dev); | |
5308 | ||
5309 | tp->acb_head->cmd_done_status = ACB_COMMAND_NOT_DONE; | |
5310 | tp->acb_head->cmd = command; | |
5311 | tp->acb_head->subcmd = subcommand; | |
5312 | tp->acb_head->data_offset_lo | |
5313 | = (__u16)TRC_POINTER(tp->misc_command_data); | |
5314 | ||
5315 | return(smctr_issue_resume_acb_cmd(dev)); | |
5316 | } | |
5317 | ||
5318 | static char *smctr_malloc(struct net_device *dev, __u16 size) | |
5319 | { | |
5320 | struct net_local *tp = netdev_priv(dev); | |
5321 | char *m; | |
5322 | ||
5323 | m = (char *)(tp->ram_access + tp->sh_mem_used); | |
5324 | tp->sh_mem_used += (__u32)size; | |
5325 | ||
5326 | return (m); | |
5327 | } | |
5328 | ||
5329 | static int smctr_status_chg(struct net_device *dev) | |
5330 | { | |
5331 | struct net_local *tp = netdev_priv(dev); | |
5332 | ||
5333 | if(smctr_debug > 10) | |
5334 | printk(KERN_DEBUG "%s: smctr_status_chg\n", dev->name); | |
5335 | ||
5336 | switch(tp->status) | |
5337 | { | |
5338 | case OPEN: | |
5339 | break; | |
5340 | ||
5341 | case CLOSED: | |
5342 | break; | |
5343 | ||
5344 | /* Interrupt driven open() completion. XXX */ | |
5345 | case INITIALIZED: | |
5346 | tp->group_address_0 = 0; | |
5347 | tp->group_address[0] = 0; | |
5348 | tp->group_address[1] = 0; | |
5349 | tp->functional_address_0 = 0; | |
5350 | tp->functional_address[0] = 0; | |
5351 | tp->functional_address[1] = 0; | |
5352 | smctr_open_tr(dev); | |
5353 | break; | |
5354 | ||
5355 | default: | |
5356 | printk(KERN_INFO "%s: status change unknown %x\n", | |
5357 | dev->name, tp->status); | |
5358 | break; | |
5359 | } | |
5360 | ||
5361 | return (0); | |
5362 | } | |
5363 | ||
5364 | static int smctr_trc_send_packet(struct net_device *dev, FCBlock *fcb, | |
5365 | __u16 queue) | |
5366 | { | |
5367 | struct net_local *tp = netdev_priv(dev); | |
5368 | int err = 0; | |
5369 | ||
5370 | if(smctr_debug > 10) | |
5371 | printk(KERN_DEBUG "%s: smctr_trc_send_packet\n", dev->name); | |
5372 | ||
5373 | fcb->info = FCB_CHAIN_END | FCB_ENABLE_TFS; | |
5374 | if(tp->num_tx_fcbs[queue] != 1) | |
5375 | fcb->back_ptr->info = FCB_INTERRUPT_ENABLE | FCB_ENABLE_TFS; | |
5376 | ||
5377 | if(tp->tx_queue_status[queue] == NOT_TRANSMITING) | |
5378 | { | |
5379 | tp->tx_queue_status[queue] = TRANSMITING; | |
5380 | err = smctr_issue_resume_tx_fcb_cmd(dev, queue); | |
5381 | } | |
5382 | ||
5383 | return (err); | |
5384 | } | |
5385 | ||
5386 | static __u16 smctr_tx_complete(struct net_device *dev, __u16 queue) | |
5387 | { | |
5388 | struct net_local *tp = netdev_priv(dev); | |
5389 | __u16 status, err = 0; | |
5390 | int cstatus; | |
5391 | ||
5392 | if(smctr_debug > 10) | |
5393 | printk(KERN_DEBUG "%s: smctr_tx_complete\n", dev->name); | |
5394 | ||
5395 | while((status = tp->tx_fcb_end[queue]->frame_status) != SUCCESS) | |
5396 | { | |
5397 | if(status & 0x7e00 ) | |
5398 | { | |
5399 | err = HARDWARE_FAILED; | |
5400 | break; | |
5401 | } | |
5402 | ||
5403 | if((err = smctr_update_tx_chain(dev, tp->tx_fcb_end[queue], | |
5404 | queue)) != SUCCESS) | |
5405 | break; | |
5406 | ||
5407 | smctr_disable_16bit(dev); | |
5408 | ||
5409 | if(tp->mode_bits & UMAC) | |
5410 | { | |
5411 | if(!(status & (FCB_TX_STATUS_AR1 | FCB_TX_STATUS_AR2))) | |
5412 | cstatus = NO_SUCH_DESTINATION; | |
5413 | else | |
5414 | { | |
5415 | if(!(status & (FCB_TX_STATUS_CR1 | FCB_TX_STATUS_CR2))) | |
5416 | cstatus = DEST_OUT_OF_RESOURCES; | |
5417 | else | |
5418 | { | |
5419 | if(status & FCB_TX_STATUS_E) | |
5420 | cstatus = MAX_COLLISIONS; | |
5421 | else | |
5422 | cstatus = SUCCESS; | |
5423 | } | |
5424 | } | |
5425 | } | |
5426 | else | |
5427 | cstatus = SUCCESS; | |
5428 | ||
5429 | if(queue == BUG_QUEUE) | |
5430 | err = SUCCESS; | |
5431 | ||
5432 | smctr_enable_16bit(dev); | |
5433 | if(err != SUCCESS) | |
5434 | break; | |
5435 | } | |
5436 | ||
5437 | return (err); | |
5438 | } | |
5439 | ||
5440 | static unsigned short smctr_tx_move_frame(struct net_device *dev, | |
5441 | struct sk_buff *skb, __u8 *pbuff, unsigned int bytes) | |
5442 | { | |
5443 | struct net_local *tp = netdev_priv(dev); | |
5444 | unsigned int ram_usable; | |
5445 | __u32 flen, len, offset = 0; | |
5446 | __u8 *frag, *page; | |
5447 | ||
5448 | if(smctr_debug > 10) | |
5449 | printk(KERN_DEBUG "%s: smctr_tx_move_frame\n", dev->name); | |
5450 | ||
5451 | ram_usable = ((unsigned int)tp->ram_usable) << 10; | |
5452 | frag = skb->data; | |
5453 | flen = skb->len; | |
5454 | ||
5455 | while(flen > 0 && bytes > 0) | |
5456 | { | |
5457 | smctr_set_page(dev, pbuff); | |
5458 | ||
5459 | offset = SMC_PAGE_OFFSET(pbuff); | |
5460 | ||
5461 | if(offset + flen > ram_usable) | |
5462 | len = ram_usable - offset; | |
5463 | else | |
5464 | len = flen; | |
5465 | ||
5466 | if(len > bytes) | |
5467 | len = bytes; | |
5468 | ||
5469 | page = (char *) (offset + tp->ram_access); | |
5470 | memcpy(page, frag, len); | |
5471 | ||
5472 | flen -=len; | |
5473 | bytes -= len; | |
5474 | frag += len; | |
5475 | pbuff += len; | |
5476 | } | |
5477 | ||
5478 | return (0); | |
5479 | } | |
5480 | ||
5481 | /* Update the error statistic counters for this adapter. */ | |
5482 | static int smctr_update_err_stats(struct net_device *dev) | |
5483 | { | |
5484 | struct net_local *tp = netdev_priv(dev); | |
5485 | struct tr_statistics *tstat = &tp->MacStat; | |
5486 | ||
5487 | if(tstat->internal_errors) | |
5488 | tstat->internal_errors | |
5489 | += *(tp->misc_command_data + 0) & 0x00ff; | |
5490 | ||
5491 | if(tstat->line_errors) | |
5492 | tstat->line_errors += *(tp->misc_command_data + 0) >> 8; | |
5493 | ||
5494 | if(tstat->A_C_errors) | |
5495 | tstat->A_C_errors += *(tp->misc_command_data + 1) & 0x00ff; | |
5496 | ||
5497 | if(tstat->burst_errors) | |
5498 | tstat->burst_errors += *(tp->misc_command_data + 1) >> 8; | |
5499 | ||
5500 | if(tstat->abort_delimiters) | |
5501 | tstat->abort_delimiters += *(tp->misc_command_data + 2) >> 8; | |
5502 | ||
5503 | if(tstat->recv_congest_count) | |
5504 | tstat->recv_congest_count | |
5505 | += *(tp->misc_command_data + 3) & 0x00ff; | |
5506 | ||
5507 | if(tstat->lost_frames) | |
5508 | tstat->lost_frames | |
5509 | += *(tp->misc_command_data + 3) >> 8; | |
5510 | ||
5511 | if(tstat->frequency_errors) | |
5512 | tstat->frequency_errors += *(tp->misc_command_data + 4) & 0x00ff; | |
5513 | ||
5514 | if(tstat->frame_copied_errors) | |
5515 | tstat->frame_copied_errors | |
5516 | += *(tp->misc_command_data + 4) >> 8; | |
5517 | ||
5518 | if(tstat->token_errors) | |
5519 | tstat->token_errors += *(tp->misc_command_data + 5) >> 8; | |
5520 | ||
5521 | return (0); | |
5522 | } | |
5523 | ||
5524 | static int smctr_update_rx_chain(struct net_device *dev, __u16 queue) | |
5525 | { | |
5526 | struct net_local *tp = netdev_priv(dev); | |
5527 | FCBlock *fcb; | |
5528 | BDBlock *bdb; | |
5529 | __u16 size, len; | |
5530 | ||
5531 | fcb = tp->rx_fcb_curr[queue]; | |
5532 | len = fcb->frame_length; | |
5533 | ||
5534 | fcb->frame_status = 0; | |
5535 | fcb->info = FCB_CHAIN_END; | |
5536 | fcb->back_ptr->info = FCB_WARNING; | |
5537 | ||
5538 | tp->rx_fcb_curr[queue] = tp->rx_fcb_curr[queue]->next_ptr; | |
5539 | ||
5540 | /* update RX BDBs */ | |
5541 | size = (len >> RX_BDB_SIZE_SHIFT); | |
5542 | if(len & RX_DATA_BUFFER_SIZE_MASK) | |
5543 | size += sizeof(BDBlock); | |
5544 | size &= (~RX_BDB_SIZE_MASK); | |
5545 | ||
5546 | /* check if wrap around */ | |
5547 | bdb = (BDBlock *)((__u32)(tp->rx_bdb_curr[queue]) + (__u32)(size)); | |
5548 | if((__u32)bdb >= (__u32)tp->rx_bdb_end[queue]) | |
5549 | { | |
5550 | bdb = (BDBlock *)((__u32)(tp->rx_bdb_head[queue]) | |
5551 | + (__u32)(bdb) - (__u32)(tp->rx_bdb_end[queue])); | |
5552 | } | |
5553 | ||
5554 | bdb->back_ptr->info = BDB_CHAIN_END; | |
5555 | tp->rx_bdb_curr[queue]->back_ptr->info = BDB_NOT_CHAIN_END; | |
5556 | tp->rx_bdb_curr[queue] = bdb; | |
5557 | ||
5558 | return (0); | |
5559 | } | |
5560 | ||
5561 | static int smctr_update_tx_chain(struct net_device *dev, FCBlock *fcb, | |
5562 | __u16 queue) | |
5563 | { | |
5564 | struct net_local *tp = netdev_priv(dev); | |
5565 | ||
5566 | if(smctr_debug > 20) | |
5567 | printk(KERN_DEBUG "smctr_update_tx_chain\n"); | |
5568 | ||
5569 | if(tp->num_tx_fcbs_used[queue] <= 0) | |
5570 | return (HARDWARE_FAILED); | |
5571 | else | |
5572 | { | |
5573 | if(tp->tx_buff_used[queue] < fcb->memory_alloc) | |
5574 | { | |
5575 | tp->tx_buff_used[queue] = 0; | |
5576 | return (HARDWARE_FAILED); | |
5577 | } | |
5578 | ||
5579 | tp->tx_buff_used[queue] -= fcb->memory_alloc; | |
5580 | ||
5581 | /* if all transmit buffer are cleared | |
5582 | * need to set the tx_buff_curr[] to tx_buff_head[] | |
5583 | * otherwise, tx buffer will be segregate and cannot | |
5584 | * accommodate and buffer greater than (curr - head) and | |
5585 | * (end - curr) since we do not allow wrap around allocation. | |
5586 | */ | |
5587 | if(tp->tx_buff_used[queue] == 0) | |
5588 | tp->tx_buff_curr[queue] = tp->tx_buff_head[queue]; | |
5589 | ||
5590 | tp->num_tx_fcbs_used[queue]--; | |
5591 | fcb->frame_status = 0; | |
5592 | tp->tx_fcb_end[queue] = fcb->next_ptr; | |
5593 | netif_wake_queue(dev); | |
5594 | return (0); | |
5595 | } | |
5596 | } | |
5597 | ||
5598 | static int smctr_wait_cmd(struct net_device *dev) | |
5599 | { | |
5600 | struct net_local *tp = netdev_priv(dev); | |
5601 | unsigned int loop_count = 0x20000; | |
5602 | ||
5603 | if(smctr_debug > 10) | |
5604 | printk(KERN_DEBUG "%s: smctr_wait_cmd\n", dev->name); | |
5605 | ||
5606 | while(loop_count) | |
5607 | { | |
5608 | if(tp->acb_head->cmd_done_status & ACB_COMMAND_DONE) | |
5609 | break; | |
5610 | udelay(1); | |
5611 | loop_count--; | |
5612 | } | |
5613 | ||
5614 | if(loop_count == 0) | |
5615 | return(HARDWARE_FAILED); | |
5616 | ||
5617 | if(tp->acb_head->cmd_done_status & 0xff) | |
5618 | return(HARDWARE_FAILED); | |
5619 | ||
5620 | return (0); | |
5621 | } | |
5622 | ||
5623 | static int smctr_wait_while_cbusy(struct net_device *dev) | |
5624 | { | |
5625 | struct net_local *tp = netdev_priv(dev); | |
5626 | unsigned int timeout = 0x20000; | |
5627 | int ioaddr = dev->base_addr; | |
5628 | __u8 r; | |
5629 | ||
5630 | if(tp->bic_type == BIC_585_CHIP) | |
5631 | { | |
5632 | while(timeout) | |
5633 | { | |
5634 | r = inb(ioaddr + HWR); | |
5635 | if((r & HWR_CBUSY) == 0) | |
5636 | break; | |
5637 | timeout--; | |
5638 | } | |
5639 | } | |
5640 | else | |
5641 | { | |
5642 | while(timeout) | |
5643 | { | |
5644 | r = inb(ioaddr + CSR); | |
5645 | if((r & CSR_CBUSY) == 0) | |
5646 | break; | |
5647 | timeout--; | |
5648 | } | |
5649 | } | |
5650 | ||
5651 | if(timeout) | |
5652 | return (0); | |
5653 | else | |
5654 | return (HARDWARE_FAILED); | |
5655 | } | |
5656 | ||
5657 | #ifdef MODULE | |
5658 | ||
5659 | static struct net_device* dev_smctr[SMCTR_MAX_ADAPTERS]; | |
5660 | static int io[SMCTR_MAX_ADAPTERS]; | |
5661 | static int irq[SMCTR_MAX_ADAPTERS]; | |
5662 | ||
5663 | MODULE_LICENSE("GPL"); | |
5664 | ||
5665 | module_param_array(io, int, NULL, 0); | |
5666 | module_param_array(irq, int, NULL, 0); | |
5667 | module_param(ringspeed, int, 0); | |
5668 | ||
5669 | static struct net_device *setup_card(int n) | |
5670 | { | |
5671 | struct net_device *dev = alloc_trdev(sizeof(struct net_local)); | |
5672 | int err; | |
5673 | ||
5674 | if (!dev) | |
5675 | return ERR_PTR(-ENOMEM); | |
5676 | ||
5677 | dev->irq = irq[n]; | |
5678 | err = smctr_probe1(dev, io[n]); | |
5679 | if (err) | |
5680 | goto out; | |
5681 | ||
5682 | err = register_netdev(dev); | |
5683 | if (err) | |
5684 | goto out1; | |
5685 | return dev; | |
5686 | out1: | |
5687 | #ifdef CONFIG_MCA_LEGACY | |
5688 | { struct net_local *tp = netdev_priv(dev); | |
5689 | if (tp->slot_num) | |
5690 | mca_mark_as_unused(tp->slot_num); | |
5691 | } | |
5692 | #endif | |
5693 | release_region(dev->base_addr, SMCTR_IO_EXTENT); | |
5694 | free_irq(dev->irq, dev); | |
5695 | out: | |
5696 | free_netdev(dev); | |
5697 | return ERR_PTR(err); | |
5698 | } | |
5699 | ||
5700 | ||
5701 | int init_module(void) | |
5702 | { | |
5703 | int i, found = 0; | |
5704 | struct net_device *dev; | |
5705 | ||
5706 | for(i = 0; i < SMCTR_MAX_ADAPTERS; i++) { | |
5707 | dev = io[0]? setup_card(i) : smctr_probe(-1); | |
5708 | if (!IS_ERR(dev)) { | |
5709 | ++found; | |
5710 | dev_smctr[i] = dev; | |
5711 | } | |
5712 | } | |
5713 | ||
5714 | return found ? 0 : -ENODEV; | |
5715 | } | |
5716 | ||
5717 | void cleanup_module(void) | |
5718 | { | |
5719 | int i; | |
5720 | ||
5721 | for(i = 0; i < SMCTR_MAX_ADAPTERS; i++) { | |
5722 | struct net_device *dev = dev_smctr[i]; | |
5723 | ||
5724 | if (dev) { | |
5725 | ||
5726 | unregister_netdev(dev); | |
5727 | #ifdef CONFIG_MCA_LEGACY | |
5728 | { struct net_local *tp = netdev_priv(dev); | |
5729 | if (tp->slot_num) | |
5730 | mca_mark_as_unused(tp->slot_num); | |
5731 | } | |
5732 | #endif | |
5733 | release_region(dev->base_addr, SMCTR_IO_EXTENT); | |
5734 | if (dev->irq) | |
5735 | free_irq(dev->irq, dev); | |
5736 | ||
5737 | free_netdev(dev); | |
5738 | } | |
5739 | } | |
5740 | } | |
5741 | #endif /* MODULE */ |