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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 | * | |
113aa838 | 28 | * Initial 2.5 cleanup Alan Cox <alan@lxorguk.ukuu.org.uk> 2002/10/28 |
1da177e4 LT |
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> | |
1da177e4 LT |
44 | #include <linux/mca-legacy.h> |
45 | #include <linux/delay.h> | |
46 | #include <linux/netdevice.h> | |
47 | #include <linux/etherdevice.h> | |
48 | #include <linux/skbuff.h> | |
49 | #include <linux/trdevice.h> | |
50 | #include <linux/bitops.h> | |
0f805b86 | 51 | #include <linux/firmware.h> |
1da177e4 LT |
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 */ | |
1da177e4 | 63 | |
1770e430 HE |
64 | static const char version[] __initdata = |
65 | KERN_INFO "smctr.c: v1.4 7/12/00 by jschlst@samba.org\n"; | |
1da177e4 LT |
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 */ | |
0f805b86 DW |
107 | static int smctr_decode_firmware(struct net_device *dev, |
108 | const struct firmware *fw); | |
1da177e4 LT |
109 | static int smctr_disable_16bit(struct net_device *dev); |
110 | static int smctr_disable_adapter_ctrl_store(struct net_device *dev); | |
111 | static int smctr_disable_bic_int(struct net_device *dev); | |
112 | ||
113 | /* E */ | |
114 | static int smctr_enable_16bit(struct net_device *dev); | |
115 | static int smctr_enable_adapter_ctrl_store(struct net_device *dev); | |
116 | static int smctr_enable_adapter_ram(struct net_device *dev); | |
117 | static int smctr_enable_bic_int(struct net_device *dev); | |
118 | ||
119 | /* G */ | |
120 | static int __init smctr_get_boardid(struct net_device *dev, int mca); | |
121 | static int smctr_get_group_address(struct net_device *dev); | |
122 | static int smctr_get_functional_address(struct net_device *dev); | |
123 | static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev); | |
124 | static int smctr_get_physical_drop_number(struct net_device *dev); | |
125 | static __u8 *smctr_get_rx_pointer(struct net_device *dev, short queue); | |
126 | static int smctr_get_station_id(struct net_device *dev); | |
1da177e4 LT |
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); | |
7d12e780 | 144 | static irqreturn_t smctr_interrupt(int irq, void *dev_id); |
1da177e4 LT |
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); | |
61a84108 SH |
237 | static netdev_tx_t smctr_send_packet(struct sk_buff *skb, |
238 | struct net_device *dev); | |
1da177e4 LT |
239 | static int smctr_send_lobe_media_test(struct net_device *dev); |
240 | static int smctr_send_rpt_addr(struct net_device *dev, MAC_HEADER *rmf, | |
241 | __u16 correlator); | |
242 | static int smctr_send_rpt_attch(struct net_device *dev, MAC_HEADER *rmf, | |
243 | __u16 correlator); | |
244 | static int smctr_send_rpt_state(struct net_device *dev, MAC_HEADER *rmf, | |
245 | __u16 correlator); | |
246 | static int smctr_send_rpt_tx_forward(struct net_device *dev, | |
247 | MAC_HEADER *rmf, __u16 tx_fstatus); | |
248 | static int smctr_send_rsp(struct net_device *dev, MAC_HEADER *rmf, | |
249 | __u16 rcode, __u16 correlator); | |
250 | static int smctr_send_rq_init(struct net_device *dev); | |
251 | static int smctr_send_tx_forward(struct net_device *dev, MAC_HEADER *rmf, | |
252 | __u16 *tx_fstatus); | |
253 | static int smctr_set_auth_access_pri(struct net_device *dev, | |
254 | MAC_SUB_VECTOR *rsv); | |
255 | static int smctr_set_auth_funct_class(struct net_device *dev, | |
256 | MAC_SUB_VECTOR *rsv); | |
257 | static int smctr_set_corr(struct net_device *dev, MAC_SUB_VECTOR *rsv, | |
258 | __u16 *correlator); | |
259 | static int smctr_set_error_timer_value(struct net_device *dev, | |
260 | MAC_SUB_VECTOR *rsv); | |
261 | static int smctr_set_frame_forward(struct net_device *dev, | |
262 | MAC_SUB_VECTOR *rsv, __u8 dc_sc); | |
263 | static int smctr_set_local_ring_num(struct net_device *dev, | |
264 | MAC_SUB_VECTOR *rsv); | |
265 | static unsigned short smctr_set_ctrl_attention(struct net_device *dev); | |
266 | static void smctr_set_multicast_list(struct net_device *dev); | |
267 | static int smctr_set_page(struct net_device *dev, __u8 *buf); | |
268 | static int smctr_set_phy_drop(struct net_device *dev, | |
269 | MAC_SUB_VECTOR *rsv); | |
270 | static int smctr_set_ring_speed(struct net_device *dev); | |
271 | static int smctr_set_rx_look_ahead(struct net_device *dev); | |
272 | static int smctr_set_trc_reset(int ioaddr); | |
273 | static int smctr_setup_single_cmd(struct net_device *dev, | |
274 | __u16 command, __u16 subcommand); | |
275 | static int smctr_setup_single_cmd_w_data(struct net_device *dev, | |
276 | __u16 command, __u16 subcommand); | |
277 | static char *smctr_malloc(struct net_device *dev, __u16 size); | |
278 | static int smctr_status_chg(struct net_device *dev); | |
279 | ||
280 | /* T */ | |
281 | static void smctr_timeout(struct net_device *dev); | |
282 | static int smctr_trc_send_packet(struct net_device *dev, FCBlock *fcb, | |
283 | __u16 queue); | |
284 | static __u16 smctr_tx_complete(struct net_device *dev, __u16 queue); | |
285 | static unsigned short smctr_tx_move_frame(struct net_device *dev, | |
286 | struct sk_buff *skb, __u8 *pbuff, unsigned int bytes); | |
287 | ||
288 | /* U */ | |
289 | static int smctr_update_err_stats(struct net_device *dev); | |
290 | static int smctr_update_rx_chain(struct net_device *dev, __u16 queue); | |
291 | static int smctr_update_tx_chain(struct net_device *dev, FCBlock *fcb, | |
292 | __u16 queue); | |
293 | ||
294 | /* W */ | |
295 | static int smctr_wait_cmd(struct net_device *dev); | |
296 | static int smctr_wait_while_cbusy(struct net_device *dev); | |
297 | ||
298 | #define TO_256_BYTE_BOUNDRY(X) (((X + 0xff) & 0xff00) - X) | |
299 | #define TO_PARAGRAPH_BOUNDRY(X) (((X + 0x0f) & 0xfff0) - X) | |
300 | #define PARAGRAPH_BOUNDRY(X) smctr_malloc(dev, TO_PARAGRAPH_BOUNDRY(X)) | |
301 | ||
302 | /* Allocate Adapter Shared Memory. | |
303 | * IMPORTANT NOTE: Any changes to this function MUST be mirrored in the | |
304 | * function "get_num_rx_bdbs" below!!! | |
305 | * | |
306 | * Order of memory allocation: | |
307 | * | |
308 | * 0. Initial System Configuration Block Pointer | |
309 | * 1. System Configuration Block | |
310 | * 2. System Control Block | |
311 | * 3. Action Command Block | |
312 | * 4. Interrupt Status Block | |
313 | * | |
314 | * 5. MAC TX FCB'S | |
315 | * 6. NON-MAC TX FCB'S | |
316 | * 7. MAC TX BDB'S | |
317 | * 8. NON-MAC TX BDB'S | |
318 | * 9. MAC RX FCB'S | |
319 | * 10. NON-MAC RX FCB'S | |
320 | * 11. MAC RX BDB'S | |
321 | * 12. NON-MAC RX BDB'S | |
322 | * 13. MAC TX Data Buffer( 1, 256 byte buffer) | |
323 | * 14. MAC RX Data Buffer( 1, 256 byte buffer) | |
324 | * | |
325 | * 15. NON-MAC TX Data Buffer | |
326 | * 16. NON-MAC RX Data Buffer | |
327 | */ | |
328 | static int smctr_alloc_shared_memory(struct net_device *dev) | |
329 | { | |
330 | struct net_local *tp = netdev_priv(dev); | |
331 | ||
332 | if(smctr_debug > 10) | |
333 | printk(KERN_DEBUG "%s: smctr_alloc_shared_memory\n", dev->name); | |
334 | ||
335 | /* Allocate initial System Control Block pointer. | |
336 | * This pointer is located in the last page, last offset - 4. | |
337 | */ | |
338 | tp->iscpb_ptr = (ISCPBlock *)(tp->ram_access + ((__u32)64 * 0x400) | |
339 | - (long)ISCP_BLOCK_SIZE); | |
340 | ||
341 | /* Allocate System Control Blocks. */ | |
342 | tp->scgb_ptr = (SCGBlock *)smctr_malloc(dev, sizeof(SCGBlock)); | |
343 | PARAGRAPH_BOUNDRY(tp->sh_mem_used); | |
344 | ||
345 | tp->sclb_ptr = (SCLBlock *)smctr_malloc(dev, sizeof(SCLBlock)); | |
346 | PARAGRAPH_BOUNDRY(tp->sh_mem_used); | |
347 | ||
348 | tp->acb_head = (ACBlock *)smctr_malloc(dev, | |
349 | sizeof(ACBlock)*tp->num_acbs); | |
350 | PARAGRAPH_BOUNDRY(tp->sh_mem_used); | |
351 | ||
352 | tp->isb_ptr = (ISBlock *)smctr_malloc(dev, sizeof(ISBlock)); | |
353 | PARAGRAPH_BOUNDRY(tp->sh_mem_used); | |
354 | ||
355 | tp->misc_command_data = (__u16 *)smctr_malloc(dev, MISC_DATA_SIZE); | |
356 | PARAGRAPH_BOUNDRY(tp->sh_mem_used); | |
357 | ||
358 | /* Allocate transmit FCBs. */ | |
359 | tp->tx_fcb_head[MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, | |
360 | sizeof(FCBlock) * tp->num_tx_fcbs[MAC_QUEUE]); | |
361 | ||
362 | tp->tx_fcb_head[NON_MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, | |
363 | sizeof(FCBlock) * tp->num_tx_fcbs[NON_MAC_QUEUE]); | |
364 | ||
365 | tp->tx_fcb_head[BUG_QUEUE] = (FCBlock *)smctr_malloc(dev, | |
366 | sizeof(FCBlock) * tp->num_tx_fcbs[BUG_QUEUE]); | |
367 | ||
368 | /* Allocate transmit BDBs. */ | |
369 | tp->tx_bdb_head[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, | |
370 | sizeof(BDBlock) * tp->num_tx_bdbs[MAC_QUEUE]); | |
371 | ||
372 | tp->tx_bdb_head[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, | |
373 | sizeof(BDBlock) * tp->num_tx_bdbs[NON_MAC_QUEUE]); | |
374 | ||
375 | tp->tx_bdb_head[BUG_QUEUE] = (BDBlock *)smctr_malloc(dev, | |
376 | sizeof(BDBlock) * tp->num_tx_bdbs[BUG_QUEUE]); | |
377 | ||
378 | /* Allocate receive FCBs. */ | |
379 | tp->rx_fcb_head[MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, | |
380 | sizeof(FCBlock) * tp->num_rx_fcbs[MAC_QUEUE]); | |
381 | ||
382 | tp->rx_fcb_head[NON_MAC_QUEUE] = (FCBlock *)smctr_malloc(dev, | |
383 | sizeof(FCBlock) * tp->num_rx_fcbs[NON_MAC_QUEUE]); | |
384 | ||
385 | /* Allocate receive BDBs. */ | |
386 | tp->rx_bdb_head[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, | |
387 | sizeof(BDBlock) * tp->num_rx_bdbs[MAC_QUEUE]); | |
388 | ||
389 | tp->rx_bdb_end[MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 0); | |
390 | ||
391 | tp->rx_bdb_head[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, | |
392 | sizeof(BDBlock) * tp->num_rx_bdbs[NON_MAC_QUEUE]); | |
393 | ||
394 | tp->rx_bdb_end[NON_MAC_QUEUE] = (BDBlock *)smctr_malloc(dev, 0); | |
395 | ||
396 | /* Allocate MAC transmit buffers. | |
397 | * MAC Tx Buffers doen't have to be on an ODD Boundry. | |
398 | */ | |
399 | tp->tx_buff_head[MAC_QUEUE] | |
400 | = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[MAC_QUEUE]); | |
401 | tp->tx_buff_curr[MAC_QUEUE] = tp->tx_buff_head[MAC_QUEUE]; | |
402 | tp->tx_buff_end [MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); | |
403 | ||
404 | /* Allocate BUG transmit buffers. */ | |
405 | tp->tx_buff_head[BUG_QUEUE] | |
406 | = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[BUG_QUEUE]); | |
407 | tp->tx_buff_curr[BUG_QUEUE] = tp->tx_buff_head[BUG_QUEUE]; | |
408 | tp->tx_buff_end[BUG_QUEUE] = (__u16 *)smctr_malloc(dev, 0); | |
409 | ||
410 | /* Allocate MAC receive data buffers. | |
411 | * MAC Rx buffer doesn't have to be on a 256 byte boundary. | |
412 | */ | |
413 | tp->rx_buff_head[MAC_QUEUE] = (__u16 *)smctr_malloc(dev, | |
414 | RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[MAC_QUEUE]); | |
415 | tp->rx_buff_end[MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); | |
416 | ||
417 | /* Allocate Non-MAC transmit buffers. | |
418 | * ?? For maximum Netware performance, put Tx Buffers on | |
419 | * ODD Boundry and then restore malloc to Even Boundrys. | |
420 | */ | |
421 | smctr_malloc(dev, 1L); | |
422 | tp->tx_buff_head[NON_MAC_QUEUE] | |
423 | = (__u16 *)smctr_malloc(dev, tp->tx_buff_size[NON_MAC_QUEUE]); | |
424 | tp->tx_buff_curr[NON_MAC_QUEUE] = tp->tx_buff_head[NON_MAC_QUEUE]; | |
425 | tp->tx_buff_end [NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); | |
426 | smctr_malloc(dev, 1L); | |
427 | ||
428 | /* Allocate Non-MAC receive data buffers. | |
af901ca1 | 429 | * To guarantee a minimum of 256 contiguous memory to |
1da177e4 LT |
430 | * UM_Receive_Packet's lookahead pointer, before a page |
431 | * change or ring end is encountered, place each rx buffer on | |
432 | * a 256 byte boundary. | |
433 | */ | |
434 | smctr_malloc(dev, TO_256_BYTE_BOUNDRY(tp->sh_mem_used)); | |
435 | tp->rx_buff_head[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, | |
436 | RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[NON_MAC_QUEUE]); | |
437 | tp->rx_buff_end[NON_MAC_QUEUE] = (__u16 *)smctr_malloc(dev, 0); | |
438 | ||
439 | return (0); | |
440 | } | |
441 | ||
442 | /* Enter Bypass state. */ | |
443 | static int smctr_bypass_state(struct net_device *dev) | |
444 | { | |
445 | int err; | |
446 | ||
447 | if(smctr_debug > 10) | |
448 | printk(KERN_DEBUG "%s: smctr_bypass_state\n", dev->name); | |
449 | ||
450 | err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, JS_BYPASS_STATE); | |
451 | ||
452 | return (err); | |
453 | } | |
454 | ||
455 | static int smctr_checksum_firmware(struct net_device *dev) | |
456 | { | |
457 | struct net_local *tp = netdev_priv(dev); | |
458 | __u16 i, checksum = 0; | |
459 | ||
460 | if(smctr_debug > 10) | |
461 | printk(KERN_DEBUG "%s: smctr_checksum_firmware\n", dev->name); | |
462 | ||
463 | smctr_enable_adapter_ctrl_store(dev); | |
464 | ||
465 | for(i = 0; i < CS_RAM_SIZE; i += 2) | |
466 | checksum += *((__u16 *)(tp->ram_access + i)); | |
467 | ||
468 | tp->microcode_version = *(__u16 *)(tp->ram_access | |
469 | + CS_RAM_VERSION_OFFSET); | |
470 | tp->microcode_version >>= 8; | |
471 | ||
472 | smctr_disable_adapter_ctrl_store(dev); | |
473 | ||
474 | if(checksum) | |
475 | return (checksum); | |
476 | ||
477 | return (0); | |
478 | } | |
479 | ||
480 | static int __init smctr_chk_mca(struct net_device *dev) | |
481 | { | |
482 | #ifdef CONFIG_MCA_LEGACY | |
483 | struct net_local *tp = netdev_priv(dev); | |
484 | int current_slot; | |
485 | __u8 r1, r2, r3, r4, r5; | |
486 | ||
487 | current_slot = mca_find_unused_adapter(smctr_posid, 0); | |
488 | if(current_slot == MCA_NOTFOUND) | |
489 | return (-ENODEV); | |
490 | ||
491 | mca_set_adapter_name(current_slot, smctr_name); | |
492 | mca_mark_as_used(current_slot); | |
493 | tp->slot_num = current_slot; | |
494 | ||
495 | r1 = mca_read_stored_pos(tp->slot_num, 2); | |
496 | r2 = mca_read_stored_pos(tp->slot_num, 3); | |
497 | ||
498 | if(tp->slot_num) | |
499 | outb(CNFG_POS_CONTROL_REG, (__u8)((tp->slot_num - 1) | CNFG_SLOT_ENABLE_BIT)); | |
500 | else | |
501 | outb(CNFG_POS_CONTROL_REG, (__u8)((tp->slot_num) | CNFG_SLOT_ENABLE_BIT)); | |
502 | ||
503 | r1 = inb(CNFG_POS_REG1); | |
504 | r2 = inb(CNFG_POS_REG0); | |
505 | ||
506 | tp->bic_type = BIC_594_CHIP; | |
507 | ||
508 | /* IO */ | |
509 | r2 = mca_read_stored_pos(tp->slot_num, 2); | |
510 | r2 &= 0xF0; | |
511 | dev->base_addr = ((__u16)r2 << 8) + (__u16)0x800; | |
512 | request_region(dev->base_addr, SMCTR_IO_EXTENT, smctr_name); | |
513 | ||
514 | /* IRQ */ | |
515 | r5 = mca_read_stored_pos(tp->slot_num, 5); | |
516 | r5 &= 0xC; | |
517 | switch(r5) | |
518 | { | |
519 | case 0: | |
520 | dev->irq = 3; | |
521 | break; | |
522 | ||
523 | case 0x4: | |
524 | dev->irq = 4; | |
525 | break; | |
526 | ||
527 | case 0x8: | |
528 | dev->irq = 10; | |
529 | break; | |
530 | ||
531 | default: | |
532 | dev->irq = 15; | |
533 | break; | |
534 | } | |
1fb9df5d | 535 | if (request_irq(dev->irq, smctr_interrupt, IRQF_SHARED, smctr_name, dev)) { |
1da177e4 LT |
536 | release_region(dev->base_addr, SMCTR_IO_EXTENT); |
537 | return -ENODEV; | |
538 | } | |
539 | ||
540 | /* Get RAM base */ | |
541 | r3 = mca_read_stored_pos(tp->slot_num, 3); | |
542 | tp->ram_base = ((__u32)(r3 & 0x7) << 13) + 0x0C0000; | |
543 | if (r3 & 0x8) | |
544 | tp->ram_base += 0x010000; | |
545 | if (r3 & 0x80) | |
546 | tp->ram_base += 0xF00000; | |
547 | ||
548 | /* Get Ram Size */ | |
549 | r3 &= 0x30; | |
550 | r3 >>= 4; | |
551 | ||
552 | tp->ram_usable = (__u16)CNFG_SIZE_8KB << r3; | |
553 | tp->ram_size = (__u16)CNFG_SIZE_64KB; | |
554 | tp->board_id |= TOKEN_MEDIA; | |
555 | ||
556 | r4 = mca_read_stored_pos(tp->slot_num, 4); | |
557 | tp->rom_base = ((__u32)(r4 & 0x7) << 13) + 0x0C0000; | |
558 | if (r4 & 0x8) | |
559 | tp->rom_base += 0x010000; | |
560 | ||
561 | /* Get ROM size. */ | |
562 | r4 >>= 4; | |
563 | switch (r4) { | |
564 | case 0: | |
565 | tp->rom_size = CNFG_SIZE_8KB; | |
566 | break; | |
567 | case 1: | |
568 | tp->rom_size = CNFG_SIZE_16KB; | |
569 | break; | |
570 | case 2: | |
571 | tp->rom_size = CNFG_SIZE_32KB; | |
572 | break; | |
573 | default: | |
574 | tp->rom_size = ROM_DISABLE; | |
575 | } | |
576 | ||
577 | /* Get Media Type. */ | |
578 | r5 = mca_read_stored_pos(tp->slot_num, 5); | |
579 | r5 &= CNFG_MEDIA_TYPE_MASK; | |
580 | switch(r5) | |
581 | { | |
582 | case (0): | |
583 | tp->media_type = MEDIA_STP_4; | |
584 | break; | |
585 | ||
586 | case (1): | |
587 | tp->media_type = MEDIA_STP_16; | |
588 | break; | |
589 | ||
590 | case (3): | |
591 | tp->media_type = MEDIA_UTP_16; | |
592 | break; | |
593 | ||
594 | default: | |
595 | tp->media_type = MEDIA_UTP_4; | |
596 | break; | |
597 | } | |
598 | tp->media_menu = 14; | |
599 | ||
600 | r2 = mca_read_stored_pos(tp->slot_num, 2); | |
601 | if(!(r2 & 0x02)) | |
602 | tp->mode_bits |= EARLY_TOKEN_REL; | |
603 | ||
604 | /* Disable slot */ | |
605 | outb(CNFG_POS_CONTROL_REG, 0); | |
606 | ||
607 | tp->board_id = smctr_get_boardid(dev, 1); | |
608 | switch(tp->board_id & 0xffff) | |
609 | { | |
610 | case WD8115TA: | |
611 | smctr_model = "8115T/A"; | |
612 | break; | |
613 | ||
614 | case WD8115T: | |
615 | if(tp->extra_info & CHIP_REV_MASK) | |
616 | smctr_model = "8115T rev XE"; | |
617 | else | |
618 | smctr_model = "8115T rev XD"; | |
619 | break; | |
620 | ||
621 | default: | |
622 | smctr_model = "Unknown"; | |
623 | break; | |
624 | } | |
625 | ||
626 | return (0); | |
627 | #else | |
628 | return (-1); | |
629 | #endif /* CONFIG_MCA_LEGACY */ | |
630 | } | |
631 | ||
632 | static int smctr_chg_rx_mask(struct net_device *dev) | |
633 | { | |
634 | struct net_local *tp = netdev_priv(dev); | |
635 | int err = 0; | |
636 | ||
637 | if(smctr_debug > 10) | |
638 | printk(KERN_DEBUG "%s: smctr_chg_rx_mask\n", dev->name); | |
639 | ||
640 | smctr_enable_16bit(dev); | |
641 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
642 | ||
643 | if(tp->mode_bits & LOOPING_MODE_MASK) | |
644 | tp->config_word0 |= RX_OWN_BIT; | |
645 | else | |
646 | tp->config_word0 &= ~RX_OWN_BIT; | |
647 | ||
648 | if(tp->receive_mask & PROMISCUOUS_MODE) | |
649 | tp->config_word0 |= PROMISCUOUS_BIT; | |
650 | else | |
651 | tp->config_word0 &= ~PROMISCUOUS_BIT; | |
652 | ||
653 | if(tp->receive_mask & ACCEPT_ERR_PACKETS) | |
654 | tp->config_word0 |= SAVBAD_BIT; | |
655 | else | |
656 | tp->config_word0 &= ~SAVBAD_BIT; | |
657 | ||
658 | if(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) | |
659 | tp->config_word0 |= RXATMAC; | |
660 | else | |
661 | tp->config_word0 &= ~RXATMAC; | |
662 | ||
663 | if(tp->receive_mask & ACCEPT_MULTI_PROM) | |
664 | tp->config_word1 |= MULTICAST_ADDRESS_BIT; | |
665 | else | |
666 | tp->config_word1 &= ~MULTICAST_ADDRESS_BIT; | |
667 | ||
668 | if(tp->receive_mask & ACCEPT_SOURCE_ROUTING_SPANNING) | |
669 | tp->config_word1 |= SOURCE_ROUTING_SPANNING_BITS; | |
670 | else | |
671 | { | |
672 | if(tp->receive_mask & ACCEPT_SOURCE_ROUTING) | |
673 | tp->config_word1 |= SOURCE_ROUTING_EXPLORER_BIT; | |
674 | else | |
675 | tp->config_word1 &= ~SOURCE_ROUTING_SPANNING_BITS; | |
676 | } | |
677 | ||
678 | if((err = smctr_issue_write_word_cmd(dev, RW_CONFIG_REGISTER_0, | |
679 | &tp->config_word0))) | |
680 | { | |
681 | return (err); | |
682 | } | |
683 | ||
684 | if((err = smctr_issue_write_word_cmd(dev, RW_CONFIG_REGISTER_1, | |
685 | &tp->config_word1))) | |
686 | { | |
687 | return (err); | |
688 | } | |
689 | ||
690 | smctr_disable_16bit(dev); | |
691 | ||
692 | return (0); | |
693 | } | |
694 | ||
695 | static int smctr_clear_int(struct net_device *dev) | |
696 | { | |
697 | struct net_local *tp = netdev_priv(dev); | |
698 | ||
699 | outb((tp->trc_mask | CSR_CLRTINT), dev->base_addr + CSR); | |
700 | ||
701 | return (0); | |
702 | } | |
703 | ||
704 | static int smctr_clear_trc_reset(int ioaddr) | |
705 | { | |
706 | __u8 r; | |
707 | ||
708 | r = inb(ioaddr + MSR); | |
709 | outb(~MSR_RST & r, ioaddr + MSR); | |
710 | ||
711 | return (0); | |
712 | } | |
713 | ||
714 | /* | |
715 | * The inverse routine to smctr_open(). | |
716 | */ | |
717 | static int smctr_close(struct net_device *dev) | |
718 | { | |
719 | struct net_local *tp = netdev_priv(dev); | |
720 | struct sk_buff *skb; | |
721 | int err; | |
722 | ||
723 | netif_stop_queue(dev); | |
724 | ||
725 | tp->cleanup = 1; | |
726 | ||
727 | /* Check to see if adapter is already in a closed state. */ | |
728 | if(tp->status != OPEN) | |
729 | return (0); | |
730 | ||
731 | smctr_enable_16bit(dev); | |
732 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
733 | ||
734 | if((err = smctr_issue_remove_cmd(dev))) | |
735 | { | |
736 | smctr_disable_16bit(dev); | |
737 | return (err); | |
738 | } | |
739 | ||
740 | for(;;) | |
741 | { | |
742 | skb = skb_dequeue(&tp->SendSkbQueue); | |
743 | if(skb == NULL) | |
744 | break; | |
745 | tp->QueueSkb++; | |
746 | dev_kfree_skb(skb); | |
747 | } | |
748 | ||
749 | ||
750 | return (0); | |
751 | } | |
752 | ||
0f805b86 DW |
753 | static int smctr_decode_firmware(struct net_device *dev, |
754 | const struct firmware *fw) | |
1da177e4 LT |
755 | { |
756 | struct net_local *tp = netdev_priv(dev); | |
757 | short bit = 0x80, shift = 12; | |
758 | DECODE_TREE_NODE *tree; | |
759 | short branch, tsize; | |
760 | __u16 buff = 0; | |
761 | long weight; | |
762 | __u8 *ucode; | |
763 | __u16 *mem; | |
764 | ||
765 | if(smctr_debug > 10) | |
766 | printk(KERN_DEBUG "%s: smctr_decode_firmware\n", dev->name); | |
767 | ||
0f805b86 DW |
768 | weight = *(long *)(fw->data + WEIGHT_OFFSET); |
769 | tsize = *(__u8 *)(fw->data + TREE_SIZE_OFFSET); | |
770 | tree = (DECODE_TREE_NODE *)(fw->data + TREE_OFFSET); | |
771 | ucode = (__u8 *)(fw->data + TREE_OFFSET | |
1da177e4 LT |
772 | + (tsize * sizeof(DECODE_TREE_NODE))); |
773 | mem = (__u16 *)(tp->ram_access); | |
774 | ||
775 | while(weight) | |
776 | { | |
777 | branch = ROOT; | |
778 | while((tree + branch)->tag != LEAF && weight) | |
779 | { | |
780 | branch = *ucode & bit ? (tree + branch)->llink | |
781 | : (tree + branch)->rlink; | |
782 | ||
783 | bit >>= 1; | |
784 | weight--; | |
785 | ||
786 | if(bit == 0) | |
787 | { | |
788 | bit = 0x80; | |
789 | ucode++; | |
790 | } | |
791 | } | |
792 | ||
793 | buff |= (tree + branch)->info << shift; | |
794 | shift -= 4; | |
795 | ||
796 | if(shift < 0) | |
797 | { | |
798 | *(mem++) = SWAP_BYTES(buff); | |
799 | buff = 0; | |
800 | shift = 12; | |
801 | } | |
802 | } | |
803 | ||
804 | /* The following assumes the Control Store Memory has | |
805 | * been initialized to zero. If the last partial word | |
806 | * is zero, it will not be written. | |
807 | */ | |
808 | if(buff) | |
809 | *(mem++) = SWAP_BYTES(buff); | |
810 | ||
811 | return (0); | |
812 | } | |
813 | ||
814 | static int smctr_disable_16bit(struct net_device *dev) | |
815 | { | |
816 | return (0); | |
817 | } | |
818 | ||
819 | /* | |
820 | * On Exit, Adapter is: | |
821 | * 1. TRC is in a reset state and un-initialized. | |
822 | * 2. Adapter memory is enabled. | |
823 | * 3. Control Store memory is out of context (-WCSS is 1). | |
824 | */ | |
825 | static int smctr_disable_adapter_ctrl_store(struct net_device *dev) | |
826 | { | |
827 | struct net_local *tp = netdev_priv(dev); | |
828 | int ioaddr = dev->base_addr; | |
829 | ||
830 | if(smctr_debug > 10) | |
831 | printk(KERN_DEBUG "%s: smctr_disable_adapter_ctrl_store\n", dev->name); | |
832 | ||
833 | tp->trc_mask |= CSR_WCSS; | |
834 | outb(tp->trc_mask, ioaddr + CSR); | |
835 | ||
836 | return (0); | |
837 | } | |
838 | ||
839 | static int smctr_disable_bic_int(struct net_device *dev) | |
840 | { | |
841 | struct net_local *tp = netdev_priv(dev); | |
842 | int ioaddr = dev->base_addr; | |
843 | ||
844 | tp->trc_mask = CSR_MSK_ALL | CSR_MSKCBUSY | |
845 | | CSR_MSKTINT | CSR_WCSS; | |
846 | outb(tp->trc_mask, ioaddr + CSR); | |
847 | ||
848 | return (0); | |
849 | } | |
850 | ||
851 | static int smctr_enable_16bit(struct net_device *dev) | |
852 | { | |
853 | struct net_local *tp = netdev_priv(dev); | |
854 | __u8 r; | |
855 | ||
856 | if(tp->adapter_bus == BUS_ISA16_TYPE) | |
857 | { | |
858 | r = inb(dev->base_addr + LAAR); | |
859 | outb((r | LAAR_MEM16ENB), dev->base_addr + LAAR); | |
860 | } | |
861 | ||
862 | return (0); | |
863 | } | |
864 | ||
865 | /* | |
866 | * To enable the adapter control store memory: | |
867 | * 1. Adapter must be in a RESET state. | |
868 | * 2. Adapter memory must be enabled. | |
869 | * 3. Control Store Memory is in context (-WCSS is 0). | |
870 | */ | |
871 | static int smctr_enable_adapter_ctrl_store(struct net_device *dev) | |
872 | { | |
873 | struct net_local *tp = netdev_priv(dev); | |
874 | int ioaddr = dev->base_addr; | |
875 | ||
876 | if(smctr_debug > 10) | |
877 | printk(KERN_DEBUG "%s: smctr_enable_adapter_ctrl_store\n", dev->name); | |
878 | ||
879 | smctr_set_trc_reset(ioaddr); | |
880 | smctr_enable_adapter_ram(dev); | |
881 | ||
882 | tp->trc_mask &= ~CSR_WCSS; | |
883 | outb(tp->trc_mask, ioaddr + CSR); | |
884 | ||
885 | return (0); | |
886 | } | |
887 | ||
888 | static int smctr_enable_adapter_ram(struct net_device *dev) | |
889 | { | |
890 | int ioaddr = dev->base_addr; | |
891 | __u8 r; | |
892 | ||
893 | if(smctr_debug > 10) | |
894 | printk(KERN_DEBUG "%s: smctr_enable_adapter_ram\n", dev->name); | |
895 | ||
896 | r = inb(ioaddr + MSR); | |
897 | outb(MSR_MEMB | r, ioaddr + MSR); | |
898 | ||
899 | return (0); | |
900 | } | |
901 | ||
902 | static int smctr_enable_bic_int(struct net_device *dev) | |
903 | { | |
904 | struct net_local *tp = netdev_priv(dev); | |
905 | int ioaddr = dev->base_addr; | |
906 | __u8 r; | |
907 | ||
908 | switch(tp->bic_type) | |
909 | { | |
910 | case (BIC_584_CHIP): | |
911 | tp->trc_mask = CSR_MSKCBUSY | CSR_WCSS; | |
912 | outb(tp->trc_mask, ioaddr + CSR); | |
913 | r = inb(ioaddr + IRR); | |
914 | outb(r | IRR_IEN, ioaddr + IRR); | |
915 | break; | |
916 | ||
917 | case (BIC_594_CHIP): | |
918 | tp->trc_mask = CSR_MSKCBUSY | CSR_WCSS; | |
919 | outb(tp->trc_mask, ioaddr + CSR); | |
920 | r = inb(ioaddr + IMCCR); | |
921 | outb(r | IMCCR_EIL, ioaddr + IMCCR); | |
922 | break; | |
923 | } | |
924 | ||
925 | return (0); | |
926 | } | |
927 | ||
928 | static int __init smctr_chk_isa(struct net_device *dev) | |
929 | { | |
930 | struct net_local *tp = netdev_priv(dev); | |
931 | int ioaddr = dev->base_addr; | |
932 | __u8 r1, r2, b, chksum = 0; | |
933 | __u16 r; | |
934 | int i; | |
935 | int err = -ENODEV; | |
936 | ||
937 | if(smctr_debug > 10) | |
938 | printk(KERN_DEBUG "%s: smctr_chk_isa %#4x\n", dev->name, ioaddr); | |
939 | ||
940 | if((ioaddr & 0x1F) != 0) | |
941 | goto out; | |
942 | ||
943 | /* Grab the region so that no one else tries to probe our ioports. */ | |
944 | if (!request_region(ioaddr, SMCTR_IO_EXTENT, smctr_name)) { | |
945 | err = -EBUSY; | |
946 | goto out; | |
947 | } | |
948 | ||
949 | /* Checksum SMC node address */ | |
950 | for(i = 0; i < 8; i++) | |
951 | { | |
952 | b = inb(ioaddr + LAR0 + i); | |
953 | chksum += b; | |
954 | } | |
955 | ||
956 | if (chksum != NODE_ADDR_CKSUM) | |
957 | goto out2; | |
958 | ||
959 | b = inb(ioaddr + BDID); | |
960 | if(b != BRD_ID_8115T) | |
961 | { | |
962 | printk(KERN_ERR "%s: The adapter found is not supported\n", dev->name); | |
963 | goto out2; | |
964 | } | |
965 | ||
966 | /* Check for 8115T Board ID */ | |
967 | r2 = 0; | |
968 | for(r = 0; r < 8; r++) | |
969 | { | |
970 | r1 = inb(ioaddr + 0x8 + r); | |
971 | r2 += r1; | |
972 | } | |
973 | ||
974 | /* value of RegF adds up the sum to 0xFF */ | |
975 | if((r2 != 0xFF) && (r2 != 0xEE)) | |
976 | goto out2; | |
977 | ||
978 | /* Get adapter ID */ | |
979 | tp->board_id = smctr_get_boardid(dev, 0); | |
980 | switch(tp->board_id & 0xffff) | |
981 | { | |
982 | case WD8115TA: | |
983 | smctr_model = "8115T/A"; | |
984 | break; | |
985 | ||
986 | case WD8115T: | |
987 | if(tp->extra_info & CHIP_REV_MASK) | |
988 | smctr_model = "8115T rev XE"; | |
989 | else | |
990 | smctr_model = "8115T rev XD"; | |
991 | break; | |
992 | ||
993 | default: | |
994 | smctr_model = "Unknown"; | |
995 | break; | |
996 | } | |
997 | ||
998 | /* Store BIC type. */ | |
999 | tp->bic_type = BIC_584_CHIP; | |
1000 | tp->nic_type = NIC_825_CHIP; | |
1001 | ||
1002 | /* Copy Ram Size */ | |
1003 | tp->ram_usable = CNFG_SIZE_16KB; | |
1004 | tp->ram_size = CNFG_SIZE_64KB; | |
1005 | ||
1006 | /* Get 58x Ram Base */ | |
1007 | r1 = inb(ioaddr); | |
1008 | r1 &= 0x3F; | |
1009 | ||
1010 | r2 = inb(ioaddr + CNFG_LAAR_584); | |
1011 | r2 &= CNFG_LAAR_MASK; | |
1012 | r2 <<= 3; | |
1013 | r2 |= ((r1 & 0x38) >> 3); | |
1014 | ||
1015 | tp->ram_base = ((__u32)r2 << 16) + (((__u32)(r1 & 0x7)) << 13); | |
1016 | ||
1017 | /* Get 584 Irq */ | |
1018 | r1 = 0; | |
1019 | r1 = inb(ioaddr + CNFG_ICR_583); | |
1020 | r1 &= CNFG_ICR_IR2_584; | |
1021 | ||
1022 | r2 = inb(ioaddr + CNFG_IRR_583); | |
1023 | r2 &= CNFG_IRR_IRQS; /* 0x60 */ | |
1024 | r2 >>= 5; | |
1025 | ||
1026 | switch(r2) | |
1027 | { | |
1028 | case 0: | |
1029 | if(r1 == 0) | |
1030 | dev->irq = 2; | |
1031 | else | |
1032 | dev->irq = 10; | |
1033 | break; | |
1034 | ||
1035 | case 1: | |
1036 | if(r1 == 0) | |
1037 | dev->irq = 3; | |
1038 | else | |
1039 | dev->irq = 11; | |
1040 | break; | |
1041 | ||
1042 | case 2: | |
1043 | if(r1 == 0) | |
1044 | { | |
1045 | if(tp->extra_info & ALTERNATE_IRQ_BIT) | |
1046 | dev->irq = 5; | |
1047 | else | |
1048 | dev->irq = 4; | |
1049 | } | |
1050 | else | |
1051 | dev->irq = 15; | |
1052 | break; | |
1053 | ||
1054 | case 3: | |
1055 | if(r1 == 0) | |
1056 | dev->irq = 7; | |
1057 | else | |
1058 | dev->irq = 4; | |
1059 | break; | |
1060 | ||
1061 | default: | |
1062 | printk(KERN_ERR "%s: No IRQ found aborting\n", dev->name); | |
1063 | goto out2; | |
1064 | } | |
1065 | ||
1fb9df5d | 1066 | if (request_irq(dev->irq, smctr_interrupt, IRQF_SHARED, smctr_name, dev)) |
1da177e4 LT |
1067 | goto out2; |
1068 | ||
1069 | /* Get 58x Rom Base */ | |
1070 | r1 = inb(ioaddr + CNFG_BIO_583); | |
1071 | r1 &= 0x3E; | |
1072 | r1 |= 0x40; | |
1073 | ||
1074 | tp->rom_base = (__u32)r1 << 13; | |
1075 | ||
1076 | /* Get 58x Rom Size */ | |
1077 | r1 = inb(ioaddr + CNFG_BIO_583); | |
1078 | r1 &= 0xC0; | |
1079 | if(r1 == 0) | |
1080 | tp->rom_size = ROM_DISABLE; | |
1081 | else | |
1082 | { | |
1083 | r1 >>= 6; | |
1084 | tp->rom_size = (__u16)CNFG_SIZE_8KB << r1; | |
1085 | } | |
1086 | ||
1087 | /* Get 58x Boot Status */ | |
1088 | r1 = inb(ioaddr + CNFG_GP2); | |
1089 | ||
1090 | tp->mode_bits &= (~BOOT_STATUS_MASK); | |
1091 | ||
1092 | if(r1 & CNFG_GP2_BOOT_NIBBLE) | |
1093 | tp->mode_bits |= BOOT_TYPE_1; | |
1094 | ||
1095 | /* Get 58x Zero Wait State */ | |
1096 | tp->mode_bits &= (~ZERO_WAIT_STATE_MASK); | |
1097 | ||
1098 | r1 = inb(ioaddr + CNFG_IRR_583); | |
1099 | ||
1100 | if(r1 & CNFG_IRR_ZWS) | |
1101 | tp->mode_bits |= ZERO_WAIT_STATE_8_BIT; | |
1102 | ||
1103 | if(tp->board_id & BOARD_16BIT) | |
1104 | { | |
1105 | r1 = inb(ioaddr + CNFG_LAAR_584); | |
1106 | ||
1107 | if(r1 & CNFG_LAAR_ZWS) | |
1108 | tp->mode_bits |= ZERO_WAIT_STATE_16_BIT; | |
1109 | } | |
1110 | ||
1111 | /* Get 584 Media Menu */ | |
1112 | tp->media_menu = 14; | |
1113 | r1 = inb(ioaddr + CNFG_IRR_583); | |
1114 | ||
1115 | tp->mode_bits &= 0xf8ff; /* (~CNFG_INTERFACE_TYPE_MASK) */ | |
1116 | if((tp->board_id & TOKEN_MEDIA) == TOKEN_MEDIA) | |
1117 | { | |
1118 | /* Get Advanced Features */ | |
1119 | if(((r1 & 0x6) >> 1) == 0x3) | |
1120 | tp->media_type |= MEDIA_UTP_16; | |
1121 | else | |
1122 | { | |
1123 | if(((r1 & 0x6) >> 1) == 0x2) | |
1124 | tp->media_type |= MEDIA_STP_16; | |
1125 | else | |
1126 | { | |
1127 | if(((r1 & 0x6) >> 1) == 0x1) | |
1128 | tp->media_type |= MEDIA_UTP_4; | |
1129 | ||
1130 | else | |
1131 | tp->media_type |= MEDIA_STP_4; | |
1132 | } | |
1133 | } | |
1134 | ||
1135 | r1 = inb(ioaddr + CNFG_GP2); | |
1136 | if(!(r1 & 0x2) ) /* GP2_ETRD */ | |
1137 | tp->mode_bits |= EARLY_TOKEN_REL; | |
1138 | ||
1139 | /* see if the chip is corrupted | |
1140 | if(smctr_read_584_chksum(ioaddr)) | |
1141 | { | |
1142 | printk(KERN_ERR "%s: EEPROM Checksum Failure\n", dev->name); | |
1143 | free_irq(dev->irq, dev); | |
1144 | goto out2; | |
1145 | } | |
1146 | */ | |
1147 | } | |
1148 | ||
1149 | return (0); | |
1150 | ||
1151 | out2: | |
1152 | release_region(ioaddr, SMCTR_IO_EXTENT); | |
1153 | out: | |
1154 | return err; | |
1155 | } | |
1156 | ||
1157 | static int __init smctr_get_boardid(struct net_device *dev, int mca) | |
1158 | { | |
1159 | struct net_local *tp = netdev_priv(dev); | |
1160 | int ioaddr = dev->base_addr; | |
1161 | __u8 r, r1, IdByte; | |
1162 | __u16 BoardIdMask; | |
1163 | ||
1164 | tp->board_id = BoardIdMask = 0; | |
1165 | ||
1166 | if(mca) | |
1167 | { | |
1168 | BoardIdMask |= (MICROCHANNEL+INTERFACE_CHIP+TOKEN_MEDIA+PAGED_RAM+BOARD_16BIT); | |
1169 | tp->extra_info |= (INTERFACE_594_CHIP+RAM_SIZE_64K+NIC_825_BIT+ALTERNATE_IRQ_BIT+SLOT_16BIT); | |
1170 | } | |
1171 | else | |
1172 | { | |
1173 | BoardIdMask|=(INTERFACE_CHIP+TOKEN_MEDIA+PAGED_RAM+BOARD_16BIT); | |
1174 | tp->extra_info |= (INTERFACE_584_CHIP + RAM_SIZE_64K | |
1175 | + NIC_825_BIT + ALTERNATE_IRQ_BIT); | |
1176 | } | |
1177 | ||
1178 | if(!mca) | |
1179 | { | |
1180 | r = inb(ioaddr + BID_REG_1); | |
1181 | r &= 0x0c; | |
1182 | outb(r, ioaddr + BID_REG_1); | |
1183 | r = inb(ioaddr + BID_REG_1); | |
1184 | ||
1185 | if(r & BID_SIXTEEN_BIT_BIT) | |
1186 | { | |
1187 | tp->extra_info |= SLOT_16BIT; | |
1188 | tp->adapter_bus = BUS_ISA16_TYPE; | |
1189 | } | |
1190 | else | |
1191 | tp->adapter_bus = BUS_ISA8_TYPE; | |
1192 | } | |
1193 | else | |
1194 | tp->adapter_bus = BUS_MCA_TYPE; | |
1195 | ||
1196 | /* Get Board Id Byte */ | |
1197 | IdByte = inb(ioaddr + BID_BOARD_ID_BYTE); | |
1198 | ||
1199 | /* if Major version > 1.0 then | |
1200 | * return; | |
1201 | */ | |
1202 | if(IdByte & 0xF8) | |
1203 | return (-1); | |
1204 | ||
1205 | r1 = inb(ioaddr + BID_REG_1); | |
1206 | r1 &= BID_ICR_MASK; | |
1207 | r1 |= BID_OTHER_BIT; | |
1208 | ||
1209 | outb(r1, ioaddr + BID_REG_1); | |
1210 | r1 = inb(ioaddr + BID_REG_3); | |
1211 | ||
1212 | r1 &= BID_EAR_MASK; | |
1213 | r1 |= BID_ENGR_PAGE; | |
1214 | ||
1215 | outb(r1, ioaddr + BID_REG_3); | |
1216 | r1 = inb(ioaddr + BID_REG_1); | |
1217 | r1 &= BID_ICR_MASK; | |
1218 | r1 |= (BID_RLA | BID_OTHER_BIT); | |
1219 | ||
1220 | outb(r1, ioaddr + BID_REG_1); | |
1221 | ||
1222 | r1 = inb(ioaddr + BID_REG_1); | |
1223 | while(r1 & BID_RECALL_DONE_MASK) | |
1224 | r1 = inb(ioaddr + BID_REG_1); | |
1225 | ||
1226 | r = inb(ioaddr + BID_LAR_0 + BID_REG_6); | |
1227 | ||
1228 | /* clear chip rev bits */ | |
1229 | tp->extra_info &= ~CHIP_REV_MASK; | |
1230 | tp->extra_info |= ((r & BID_EEPROM_CHIP_REV_MASK) << 6); | |
1231 | ||
1232 | r1 = inb(ioaddr + BID_REG_1); | |
1233 | r1 &= BID_ICR_MASK; | |
1234 | r1 |= BID_OTHER_BIT; | |
1235 | ||
1236 | outb(r1, ioaddr + BID_REG_1); | |
1237 | r1 = inb(ioaddr + BID_REG_3); | |
1238 | ||
1239 | r1 &= BID_EAR_MASK; | |
1240 | r1 |= BID_EA6; | |
1241 | ||
1242 | outb(r1, ioaddr + BID_REG_3); | |
1243 | r1 = inb(ioaddr + BID_REG_1); | |
1244 | ||
1245 | r1 &= BID_ICR_MASK; | |
1246 | r1 |= BID_RLA; | |
1247 | ||
1248 | outb(r1, ioaddr + BID_REG_1); | |
1249 | r1 = inb(ioaddr + BID_REG_1); | |
1250 | ||
1251 | while(r1 & BID_RECALL_DONE_MASK) | |
1252 | r1 = inb(ioaddr + BID_REG_1); | |
1253 | ||
1254 | return (BoardIdMask); | |
1255 | } | |
1256 | ||
1257 | static int smctr_get_group_address(struct net_device *dev) | |
1258 | { | |
1259 | smctr_issue_read_word_cmd(dev, RW_INDIVIDUAL_GROUP_ADDR); | |
1260 | ||
1261 | return(smctr_wait_cmd(dev)); | |
1262 | } | |
1263 | ||
1264 | static int smctr_get_functional_address(struct net_device *dev) | |
1265 | { | |
1266 | smctr_issue_read_word_cmd(dev, RW_FUNCTIONAL_ADDR); | |
1267 | ||
1268 | return(smctr_wait_cmd(dev)); | |
1269 | } | |
1270 | ||
1271 | /* Calculate number of Non-MAC receive BDB's and data buffers. | |
1272 | * This function must simulate allocateing shared memory exactly | |
1273 | * as the allocate_shared_memory function above. | |
1274 | */ | |
1275 | static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev) | |
1276 | { | |
1277 | struct net_local *tp = netdev_priv(dev); | |
1278 | unsigned int mem_used = 0; | |
1279 | ||
1280 | /* Allocate System Control Blocks. */ | |
1281 | mem_used += sizeof(SCGBlock); | |
1282 | ||
1283 | mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); | |
1284 | mem_used += sizeof(SCLBlock); | |
1285 | ||
1286 | mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); | |
1287 | mem_used += sizeof(ACBlock) * tp->num_acbs; | |
1288 | ||
1289 | mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); | |
1290 | mem_used += sizeof(ISBlock); | |
1291 | ||
1292 | mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); | |
1293 | mem_used += MISC_DATA_SIZE; | |
1294 | ||
1295 | /* Allocate transmit FCB's. */ | |
1296 | mem_used += TO_PARAGRAPH_BOUNDRY(mem_used); | |
1297 | ||
1298 | mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[MAC_QUEUE]; | |
1299 | mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[NON_MAC_QUEUE]; | |
1300 | mem_used += sizeof(FCBlock) * tp->num_tx_fcbs[BUG_QUEUE]; | |
1301 | ||
1302 | /* Allocate transmit BDBs. */ | |
1303 | mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[MAC_QUEUE]; | |
1304 | mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[NON_MAC_QUEUE]; | |
1305 | mem_used += sizeof(BDBlock) * tp->num_tx_bdbs[BUG_QUEUE]; | |
1306 | ||
1307 | /* Allocate receive FCBs. */ | |
1308 | mem_used += sizeof(FCBlock) * tp->num_rx_fcbs[MAC_QUEUE]; | |
1309 | mem_used += sizeof(FCBlock) * tp->num_rx_fcbs[NON_MAC_QUEUE]; | |
1310 | ||
1311 | /* Allocate receive BDBs. */ | |
1312 | mem_used += sizeof(BDBlock) * tp->num_rx_bdbs[MAC_QUEUE]; | |
1313 | ||
1314 | /* Allocate MAC transmit buffers. | |
1315 | * MAC transmit buffers don't have to be on an ODD Boundry. | |
1316 | */ | |
1317 | mem_used += tp->tx_buff_size[MAC_QUEUE]; | |
1318 | ||
1319 | /* Allocate BUG transmit buffers. */ | |
1320 | mem_used += tp->tx_buff_size[BUG_QUEUE]; | |
1321 | ||
1322 | /* Allocate MAC receive data buffers. | |
1323 | * MAC receive buffers don't have to be on a 256 byte boundary. | |
1324 | */ | |
1325 | mem_used += RX_DATA_BUFFER_SIZE * tp->num_rx_bdbs[MAC_QUEUE]; | |
1326 | ||
1327 | /* Allocate Non-MAC transmit buffers. | |
1328 | * For maximum Netware performance, put Tx Buffers on | |
1329 | * ODD Boundry,and then restore malloc to Even Boundrys. | |
1330 | */ | |
1331 | mem_used += 1L; | |
1332 | mem_used += tp->tx_buff_size[NON_MAC_QUEUE]; | |
1333 | mem_used += 1L; | |
1334 | ||
1335 | /* CALCULATE NUMBER OF NON-MAC RX BDB'S | |
1336 | * AND NON-MAC RX DATA BUFFERS | |
1337 | * | |
1338 | * Make sure the mem_used offset at this point is the | |
1339 | * same as in allocate_shared memory or the following | |
1340 | * boundary adjustment will be incorrect (i.e. not allocating | |
1341 | * the non-mac receive buffers above cannot change the 256 | |
1342 | * byte offset). | |
1343 | * | |
1344 | * Since this cannot be guaranteed, adding the full 256 bytes | |
1345 | * to the amount of shared memory used at this point will guaranteed | |
1346 | * that the rx data buffers do not overflow shared memory. | |
1347 | */ | |
1348 | mem_used += 0x100; | |
1349 | ||
1350 | return((0xffff - mem_used) / (RX_DATA_BUFFER_SIZE + sizeof(BDBlock))); | |
1351 | } | |
1352 | ||
1353 | static int smctr_get_physical_drop_number(struct net_device *dev) | |
1354 | { | |
1355 | smctr_issue_read_word_cmd(dev, RW_PHYSICAL_DROP_NUMBER); | |
1356 | ||
1357 | return(smctr_wait_cmd(dev)); | |
1358 | } | |
1359 | ||
1360 | static __u8 * smctr_get_rx_pointer(struct net_device *dev, short queue) | |
1361 | { | |
1362 | struct net_local *tp = netdev_priv(dev); | |
1363 | BDBlock *bdb; | |
1364 | ||
1365 | bdb = (BDBlock *)((__u32)tp->ram_access | |
1366 | + (__u32)(tp->rx_fcb_curr[queue]->trc_bdb_ptr)); | |
1367 | ||
1368 | tp->rx_fcb_curr[queue]->bdb_ptr = bdb; | |
1369 | ||
1370 | return ((__u8 *)bdb->data_block_ptr); | |
1371 | } | |
1372 | ||
1373 | static int smctr_get_station_id(struct net_device *dev) | |
1374 | { | |
1375 | smctr_issue_read_word_cmd(dev, RW_INDIVIDUAL_MAC_ADDRESS); | |
1376 | ||
1377 | return(smctr_wait_cmd(dev)); | |
1378 | } | |
1379 | ||
1380 | /* | |
1381 | * Get the current statistics. This may be called with the card open | |
1382 | * or closed. | |
1383 | */ | |
1384 | static struct net_device_stats *smctr_get_stats(struct net_device *dev) | |
1385 | { | |
1386 | struct net_local *tp = netdev_priv(dev); | |
1387 | ||
1388 | return ((struct net_device_stats *)&tp->MacStat); | |
1389 | } | |
1390 | ||
1391 | static FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue, | |
1392 | __u16 bytes_count) | |
1393 | { | |
1394 | struct net_local *tp = netdev_priv(dev); | |
1395 | FCBlock *pFCB; | |
1396 | BDBlock *pbdb; | |
1397 | unsigned short alloc_size; | |
1398 | unsigned short *temp; | |
1399 | ||
1400 | if(smctr_debug > 20) | |
1401 | printk(KERN_DEBUG "smctr_get_tx_fcb\n"); | |
1402 | ||
1403 | /* check if there is enough FCB blocks */ | |
1404 | if(tp->num_tx_fcbs_used[queue] >= tp->num_tx_fcbs[queue]) | |
1405 | return ((FCBlock *)(-1L)); | |
1406 | ||
1407 | /* round off the input pkt size to the nearest even number */ | |
1408 | alloc_size = (bytes_count + 1) & 0xfffe; | |
1409 | ||
1410 | /* check if enough mem */ | |
1411 | if((tp->tx_buff_used[queue] + alloc_size) > tp->tx_buff_size[queue]) | |
1412 | return ((FCBlock *)(-1L)); | |
1413 | ||
1414 | /* check if past the end ; | |
1415 | * if exactly enough mem to end of ring, alloc from front. | |
1416 | * this avoids update of curr when curr = end | |
1417 | */ | |
1418 | if(((unsigned long)(tp->tx_buff_curr[queue]) + alloc_size) | |
1419 | >= (unsigned long)(tp->tx_buff_end[queue])) | |
1420 | { | |
1421 | /* check if enough memory from ring head */ | |
1422 | alloc_size = alloc_size + | |
1423 | (__u16)((__u32)tp->tx_buff_end[queue] | |
1424 | - (__u32)tp->tx_buff_curr[queue]); | |
1425 | ||
1426 | if((tp->tx_buff_used[queue] + alloc_size) | |
1427 | > tp->tx_buff_size[queue]) | |
1428 | { | |
1429 | return ((FCBlock *)(-1L)); | |
1430 | } | |
1431 | ||
1432 | /* ring wrap */ | |
1433 | tp->tx_buff_curr[queue] = tp->tx_buff_head[queue]; | |
1434 | } | |
1435 | ||
1436 | tp->tx_buff_used[queue] += alloc_size; | |
1437 | tp->num_tx_fcbs_used[queue]++; | |
1438 | tp->tx_fcb_curr[queue]->frame_length = bytes_count; | |
1439 | tp->tx_fcb_curr[queue]->memory_alloc = alloc_size; | |
1440 | temp = tp->tx_buff_curr[queue]; | |
1441 | tp->tx_buff_curr[queue] | |
1442 | = (__u16 *)((__u32)temp + (__u32)((bytes_count + 1) & 0xfffe)); | |
1443 | ||
1444 | pbdb = tp->tx_fcb_curr[queue]->bdb_ptr; | |
1445 | pbdb->buffer_length = bytes_count; | |
1446 | pbdb->data_block_ptr = temp; | |
1447 | pbdb->trc_data_block_ptr = TRC_POINTER(temp); | |
1448 | ||
1449 | pFCB = tp->tx_fcb_curr[queue]; | |
1450 | tp->tx_fcb_curr[queue] = tp->tx_fcb_curr[queue]->next_ptr; | |
1451 | ||
1452 | return (pFCB); | |
1453 | } | |
1454 | ||
1455 | static int smctr_get_upstream_neighbor_addr(struct net_device *dev) | |
1456 | { | |
1457 | smctr_issue_read_word_cmd(dev, RW_UPSTREAM_NEIGHBOR_ADDRESS); | |
1458 | ||
1459 | return(smctr_wait_cmd(dev)); | |
1460 | } | |
1461 | ||
1462 | static int smctr_hardware_send_packet(struct net_device *dev, | |
1463 | struct net_local *tp) | |
1464 | { | |
1465 | struct tr_statistics *tstat = &tp->MacStat; | |
1466 | struct sk_buff *skb; | |
1467 | FCBlock *fcb; | |
1468 | ||
1469 | if(smctr_debug > 10) | |
1470 | printk(KERN_DEBUG"%s: smctr_hardware_send_packet\n", dev->name); | |
1471 | ||
1472 | if(tp->status != OPEN) | |
1473 | return (-1); | |
1474 | ||
1475 | if(tp->monitor_state_ready != 1) | |
1476 | return (-1); | |
1477 | ||
1478 | for(;;) | |
1479 | { | |
1480 | /* Send first buffer from queue */ | |
1481 | skb = skb_dequeue(&tp->SendSkbQueue); | |
1482 | if(skb == NULL) | |
1483 | return (-1); | |
1484 | ||
1485 | tp->QueueSkb++; | |
1486 | ||
1487 | if(skb->len < SMC_HEADER_SIZE || skb->len > tp->max_packet_size) return (-1); | |
1488 | ||
1489 | smctr_enable_16bit(dev); | |
1490 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
1491 | ||
1492 | if((fcb = smctr_get_tx_fcb(dev, NON_MAC_QUEUE, skb->len)) | |
1493 | == (FCBlock *)(-1L)) | |
1494 | { | |
1495 | smctr_disable_16bit(dev); | |
1496 | return (-1); | |
1497 | } | |
1498 | ||
1499 | smctr_tx_move_frame(dev, skb, | |
1500 | (__u8 *)fcb->bdb_ptr->data_block_ptr, skb->len); | |
1501 | ||
1502 | smctr_set_page(dev, (__u8 *)fcb); | |
1503 | ||
1504 | smctr_trc_send_packet(dev, fcb, NON_MAC_QUEUE); | |
1505 | dev_kfree_skb(skb); | |
1506 | ||
1507 | tstat->tx_packets++; | |
1508 | ||
1509 | smctr_disable_16bit(dev); | |
1510 | } | |
1511 | ||
1512 | return (0); | |
1513 | } | |
1514 | ||
1515 | static int smctr_init_acbs(struct net_device *dev) | |
1516 | { | |
1517 | struct net_local *tp = netdev_priv(dev); | |
1518 | unsigned int i; | |
1519 | ACBlock *acb; | |
1520 | ||
1521 | if(smctr_debug > 10) | |
1522 | printk(KERN_DEBUG "%s: smctr_init_acbs\n", dev->name); | |
1523 | ||
1524 | acb = tp->acb_head; | |
1525 | acb->cmd_done_status = (ACB_COMMAND_DONE | ACB_COMMAND_SUCCESSFUL); | |
1526 | acb->cmd_info = ACB_CHAIN_END; | |
1527 | acb->cmd = 0; | |
1528 | acb->subcmd = 0; | |
1529 | acb->data_offset_lo = 0; | |
1530 | acb->data_offset_hi = 0; | |
1531 | acb->next_ptr | |
1532 | = (ACBlock *)(((char *)acb) + sizeof(ACBlock)); | |
1533 | acb->trc_next_ptr = TRC_POINTER(acb->next_ptr); | |
1534 | ||
1535 | for(i = 1; i < tp->num_acbs; i++) | |
1536 | { | |
1537 | acb = acb->next_ptr; | |
1538 | acb->cmd_done_status | |
1539 | = (ACB_COMMAND_DONE | ACB_COMMAND_SUCCESSFUL); | |
1540 | acb->cmd_info = ACB_CHAIN_END; | |
1541 | acb->cmd = 0; | |
1542 | acb->subcmd = 0; | |
1543 | acb->data_offset_lo = 0; | |
1544 | acb->data_offset_hi = 0; | |
1545 | acb->next_ptr | |
1546 | = (ACBlock *)(((char *)acb) + sizeof(ACBlock)); | |
1547 | acb->trc_next_ptr = TRC_POINTER(acb->next_ptr); | |
1548 | } | |
1549 | ||
1550 | acb->next_ptr = tp->acb_head; | |
1551 | acb->trc_next_ptr = TRC_POINTER(tp->acb_head); | |
1552 | tp->acb_next = tp->acb_head->next_ptr; | |
1553 | tp->acb_curr = tp->acb_head->next_ptr; | |
1554 | tp->num_acbs_used = 0; | |
1555 | ||
1556 | return (0); | |
1557 | } | |
1558 | ||
1559 | static int smctr_init_adapter(struct net_device *dev) | |
1560 | { | |
1561 | struct net_local *tp = netdev_priv(dev); | |
1562 | int err; | |
1563 | ||
1564 | if(smctr_debug > 10) | |
1565 | printk(KERN_DEBUG "%s: smctr_init_adapter\n", dev->name); | |
1566 | ||
1567 | tp->status = CLOSED; | |
1568 | tp->page_offset_mask = (tp->ram_usable * 1024) - 1; | |
1569 | skb_queue_head_init(&tp->SendSkbQueue); | |
1570 | tp->QueueSkb = MAX_TX_QUEUE; | |
1571 | ||
1572 | if(!(tp->group_address_0 & 0x0080)) | |
1573 | tp->group_address_0 |= 0x00C0; | |
1574 | ||
1575 | if(!(tp->functional_address_0 & 0x00C0)) | |
1576 | tp->functional_address_0 |= 0x00C0; | |
1577 | ||
1578 | tp->functional_address[0] &= 0xFF7F; | |
1579 | ||
1580 | if(tp->authorized_function_classes == 0) | |
1581 | tp->authorized_function_classes = 0x7FFF; | |
1582 | ||
1583 | if(tp->authorized_access_priority == 0) | |
1584 | tp->authorized_access_priority = 0x06; | |
1585 | ||
1586 | smctr_disable_bic_int(dev); | |
1587 | smctr_set_trc_reset(dev->base_addr); | |
1588 | ||
1589 | smctr_enable_16bit(dev); | |
1590 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
1591 | ||
1592 | if(smctr_checksum_firmware(dev)) | |
1593 | { | |
1594 | printk(KERN_ERR "%s: Previously loaded firmware is missing\n",dev->name); return (-ENOENT); | |
1595 | } | |
1596 | ||
1597 | if((err = smctr_ram_memory_test(dev))) | |
1598 | { | |
1599 | printk(KERN_ERR "%s: RAM memory test failed.\n", dev->name); | |
1600 | return (-EIO); | |
1601 | } | |
1602 | ||
1603 | smctr_set_rx_look_ahead(dev); | |
1604 | smctr_load_node_addr(dev); | |
1605 | ||
1606 | /* Initialize adapter for Internal Self Test. */ | |
1607 | smctr_reset_adapter(dev); | |
1608 | if((err = smctr_init_card_real(dev))) | |
1609 | { | |
1610 | printk(KERN_ERR "%s: Initialization of card failed (%d)\n", | |
1611 | dev->name, err); | |
1612 | return (-EINVAL); | |
1613 | } | |
1614 | ||
1615 | /* This routine clobbers the TRC's internal registers. */ | |
1616 | if((err = smctr_internal_self_test(dev))) | |
1617 | { | |
1618 | printk(KERN_ERR "%s: Card failed internal self test (%d)\n", | |
1619 | dev->name, err); | |
1620 | return (-EINVAL); | |
1621 | } | |
1622 | ||
1623 | /* Re-Initialize adapter's internal registers */ | |
1624 | smctr_reset_adapter(dev); | |
1625 | if((err = smctr_init_card_real(dev))) | |
1626 | { | |
1627 | printk(KERN_ERR "%s: Initialization of card failed (%d)\n", | |
1628 | dev->name, err); | |
1629 | return (-EINVAL); | |
1630 | } | |
1631 | ||
1632 | smctr_enable_bic_int(dev); | |
1633 | ||
1634 | if((err = smctr_issue_enable_int_cmd(dev, TRC_INTERRUPT_ENABLE_MASK))) | |
1635 | return (err); | |
1636 | ||
1637 | smctr_disable_16bit(dev); | |
1638 | ||
1639 | return (0); | |
1640 | } | |
1641 | ||
1642 | static int smctr_init_card_real(struct net_device *dev) | |
1643 | { | |
1644 | struct net_local *tp = netdev_priv(dev); | |
1645 | int err = 0; | |
1646 | ||
1647 | if(smctr_debug > 10) | |
1648 | printk(KERN_DEBUG "%s: smctr_init_card_real\n", dev->name); | |
1649 | ||
1650 | tp->sh_mem_used = 0; | |
1651 | tp->num_acbs = NUM_OF_ACBS; | |
1652 | ||
1653 | /* Range Check Max Packet Size */ | |
1654 | if(tp->max_packet_size < 256) | |
1655 | tp->max_packet_size = 256; | |
1656 | else | |
1657 | { | |
1658 | if(tp->max_packet_size > NON_MAC_TX_BUFFER_MEMORY) | |
1659 | tp->max_packet_size = NON_MAC_TX_BUFFER_MEMORY; | |
1660 | } | |
1661 | ||
1662 | tp->num_of_tx_buffs = (NON_MAC_TX_BUFFER_MEMORY | |
1663 | / tp->max_packet_size) - 1; | |
1664 | ||
1665 | if(tp->num_of_tx_buffs > NUM_NON_MAC_TX_FCBS) | |
1666 | tp->num_of_tx_buffs = NUM_NON_MAC_TX_FCBS; | |
1667 | else | |
1668 | { | |
1669 | if(tp->num_of_tx_buffs == 0) | |
1670 | tp->num_of_tx_buffs = 1; | |
1671 | } | |
1672 | ||
1673 | /* Tx queue constants */ | |
1674 | tp->num_tx_fcbs [BUG_QUEUE] = NUM_BUG_TX_FCBS; | |
1675 | tp->num_tx_bdbs [BUG_QUEUE] = NUM_BUG_TX_BDBS; | |
1676 | tp->tx_buff_size [BUG_QUEUE] = BUG_TX_BUFFER_MEMORY; | |
1677 | tp->tx_buff_used [BUG_QUEUE] = 0; | |
1678 | tp->tx_queue_status [BUG_QUEUE] = NOT_TRANSMITING; | |
1679 | ||
1680 | tp->num_tx_fcbs [MAC_QUEUE] = NUM_MAC_TX_FCBS; | |
1681 | tp->num_tx_bdbs [MAC_QUEUE] = NUM_MAC_TX_BDBS; | |
1682 | tp->tx_buff_size [MAC_QUEUE] = MAC_TX_BUFFER_MEMORY; | |
1683 | tp->tx_buff_used [MAC_QUEUE] = 0; | |
1684 | tp->tx_queue_status [MAC_QUEUE] = NOT_TRANSMITING; | |
1685 | ||
1686 | tp->num_tx_fcbs [NON_MAC_QUEUE] = NUM_NON_MAC_TX_FCBS; | |
1687 | tp->num_tx_bdbs [NON_MAC_QUEUE] = NUM_NON_MAC_TX_BDBS; | |
1688 | tp->tx_buff_size [NON_MAC_QUEUE] = NON_MAC_TX_BUFFER_MEMORY; | |
1689 | tp->tx_buff_used [NON_MAC_QUEUE] = 0; | |
1690 | tp->tx_queue_status [NON_MAC_QUEUE] = NOT_TRANSMITING; | |
1691 | ||
1692 | /* Receive Queue Constants */ | |
1693 | tp->num_rx_fcbs[MAC_QUEUE] = NUM_MAC_RX_FCBS; | |
1694 | tp->num_rx_bdbs[MAC_QUEUE] = NUM_MAC_RX_BDBS; | |
1695 | ||
1696 | if(tp->extra_info & CHIP_REV_MASK) | |
1697 | tp->num_rx_fcbs[NON_MAC_QUEUE] = 78; /* 825 Rev. XE */ | |
1698 | else | |
1699 | tp->num_rx_fcbs[NON_MAC_QUEUE] = 7; /* 825 Rev. XD */ | |
1700 | ||
1701 | tp->num_rx_bdbs[NON_MAC_QUEUE] = smctr_get_num_rx_bdbs(dev); | |
1702 | ||
1703 | smctr_alloc_shared_memory(dev); | |
1704 | smctr_init_shared_memory(dev); | |
1705 | ||
1706 | if((err = smctr_issue_init_timers_cmd(dev))) | |
1707 | return (err); | |
1708 | ||
1709 | if((err = smctr_issue_init_txrx_cmd(dev))) | |
1710 | { | |
1711 | printk(KERN_ERR "%s: Hardware failure\n", dev->name); | |
1712 | return (err); | |
1713 | } | |
1714 | ||
1715 | return (0); | |
1716 | } | |
1717 | ||
1718 | static int smctr_init_rx_bdbs(struct net_device *dev) | |
1719 | { | |
1720 | struct net_local *tp = netdev_priv(dev); | |
1721 | unsigned int i, j; | |
1722 | BDBlock *bdb; | |
1723 | __u16 *buf; | |
1724 | ||
1725 | if(smctr_debug > 10) | |
1726 | printk(KERN_DEBUG "%s: smctr_init_rx_bdbs\n", dev->name); | |
1727 | ||
1728 | for(i = 0; i < NUM_RX_QS_USED; i++) | |
1729 | { | |
1730 | bdb = tp->rx_bdb_head[i]; | |
1731 | buf = tp->rx_buff_head[i]; | |
1732 | bdb->info = (BDB_CHAIN_END | BDB_NO_WARNING); | |
1733 | bdb->buffer_length = RX_DATA_BUFFER_SIZE; | |
1734 | bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); | |
1735 | bdb->data_block_ptr = buf; | |
1736 | bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); | |
1737 | ||
1738 | if(i == NON_MAC_QUEUE) | |
1739 | bdb->trc_data_block_ptr = RX_BUFF_TRC_POINTER(buf); | |
1740 | else | |
1741 | bdb->trc_data_block_ptr = TRC_POINTER(buf); | |
1742 | ||
1743 | for(j = 1; j < tp->num_rx_bdbs[i]; j++) | |
1744 | { | |
1745 | bdb->next_ptr->back_ptr = bdb; | |
1746 | bdb = bdb->next_ptr; | |
1747 | buf = (__u16 *)((char *)buf + RX_DATA_BUFFER_SIZE); | |
1748 | bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); | |
1749 | bdb->buffer_length = RX_DATA_BUFFER_SIZE; | |
1750 | bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); | |
1751 | bdb->data_block_ptr = buf; | |
1752 | bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); | |
1753 | ||
1754 | if(i == NON_MAC_QUEUE) | |
1755 | bdb->trc_data_block_ptr = RX_BUFF_TRC_POINTER(buf); | |
1756 | else | |
1757 | bdb->trc_data_block_ptr = TRC_POINTER(buf); | |
1758 | } | |
1759 | ||
1760 | bdb->next_ptr = tp->rx_bdb_head[i]; | |
1761 | bdb->trc_next_ptr = TRC_POINTER(tp->rx_bdb_head[i]); | |
1762 | ||
1763 | tp->rx_bdb_head[i]->back_ptr = bdb; | |
1764 | tp->rx_bdb_curr[i] = tp->rx_bdb_head[i]->next_ptr; | |
1765 | } | |
1766 | ||
1767 | return (0); | |
1768 | } | |
1769 | ||
1770 | static int smctr_init_rx_fcbs(struct net_device *dev) | |
1771 | { | |
1772 | struct net_local *tp = netdev_priv(dev); | |
1773 | unsigned int i, j; | |
1774 | FCBlock *fcb; | |
1775 | ||
1776 | for(i = 0; i < NUM_RX_QS_USED; i++) | |
1777 | { | |
1778 | fcb = tp->rx_fcb_head[i]; | |
1779 | fcb->frame_status = 0; | |
1780 | fcb->frame_length = 0; | |
1781 | fcb->info = FCB_CHAIN_END; | |
1782 | fcb->next_ptr = (FCBlock *)(((char*)fcb) + sizeof(FCBlock)); | |
1783 | if(i == NON_MAC_QUEUE) | |
1784 | fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr); | |
1785 | else | |
1786 | fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); | |
1787 | ||
1788 | for(j = 1; j < tp->num_rx_fcbs[i]; j++) | |
1789 | { | |
1790 | fcb->next_ptr->back_ptr = fcb; | |
1791 | fcb = fcb->next_ptr; | |
1792 | fcb->frame_status = 0; | |
1793 | fcb->frame_length = 0; | |
1794 | fcb->info = FCB_WARNING; | |
1795 | fcb->next_ptr | |
1796 | = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); | |
1797 | ||
1798 | if(i == NON_MAC_QUEUE) | |
1799 | fcb->trc_next_ptr | |
1800 | = RX_FCB_TRC_POINTER(fcb->next_ptr); | |
1801 | else | |
1802 | fcb->trc_next_ptr | |
1803 | = TRC_POINTER(fcb->next_ptr); | |
1804 | } | |
1805 | ||
1806 | fcb->next_ptr = tp->rx_fcb_head[i]; | |
1807 | ||
1808 | if(i == NON_MAC_QUEUE) | |
1809 | fcb->trc_next_ptr = RX_FCB_TRC_POINTER(fcb->next_ptr); | |
1810 | else | |
1811 | fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); | |
1812 | ||
1813 | tp->rx_fcb_head[i]->back_ptr = fcb; | |
1814 | tp->rx_fcb_curr[i] = tp->rx_fcb_head[i]->next_ptr; | |
1815 | } | |
1816 | ||
1817 | return(0); | |
1818 | } | |
1819 | ||
1820 | static int smctr_init_shared_memory(struct net_device *dev) | |
1821 | { | |
1822 | struct net_local *tp = netdev_priv(dev); | |
1823 | unsigned int i; | |
1824 | __u32 *iscpb; | |
1825 | ||
1826 | if(smctr_debug > 10) | |
1827 | printk(KERN_DEBUG "%s: smctr_init_shared_memory\n", dev->name); | |
1828 | ||
1829 | smctr_set_page(dev, (__u8 *)(unsigned int)tp->iscpb_ptr); | |
1830 | ||
1831 | /* Initialize Initial System Configuration Point. (ISCP) */ | |
1832 | iscpb = (__u32 *)PAGE_POINTER(&tp->iscpb_ptr->trc_scgb_ptr); | |
1833 | *iscpb = (__u32)(SWAP_WORDS(TRC_POINTER(tp->scgb_ptr))); | |
1834 | ||
1835 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
1836 | ||
1837 | /* Initialize System Configuration Pointers. (SCP) */ | |
1838 | tp->scgb_ptr->config = (SCGB_ADDRESS_POINTER_FORMAT | |
1839 | | SCGB_MULTI_WORD_CONTROL | SCGB_DATA_FORMAT | |
1840 | | SCGB_BURST_LENGTH); | |
1841 | ||
1842 | tp->scgb_ptr->trc_sclb_ptr = TRC_POINTER(tp->sclb_ptr); | |
1843 | tp->scgb_ptr->trc_acb_ptr = TRC_POINTER(tp->acb_head); | |
1844 | tp->scgb_ptr->trc_isb_ptr = TRC_POINTER(tp->isb_ptr); | |
1845 | tp->scgb_ptr->isbsiz = (sizeof(ISBlock)) - 2; | |
1846 | ||
1847 | /* Initialize System Control Block. (SCB) */ | |
1848 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_NOP; | |
1849 | tp->sclb_ptr->iack_code = 0; | |
1850 | tp->sclb_ptr->resume_control = 0; | |
1851 | tp->sclb_ptr->int_mask_control = 0; | |
1852 | tp->sclb_ptr->int_mask_state = 0; | |
1853 | ||
1854 | /* Initialize Interrupt Status Block. (ISB) */ | |
1855 | for(i = 0; i < NUM_OF_INTERRUPTS; i++) | |
1856 | { | |
1857 | tp->isb_ptr->IStatus[i].IType = 0xf0; | |
1858 | tp->isb_ptr->IStatus[i].ISubtype = 0; | |
1859 | } | |
1860 | ||
1861 | tp->current_isb_index = 0; | |
1862 | ||
1863 | /* Initialize Action Command Block. (ACB) */ | |
1864 | smctr_init_acbs(dev); | |
1865 | ||
1866 | /* Initialize transmit FCB's and BDB's. */ | |
1867 | smctr_link_tx_fcbs_to_bdbs(dev); | |
1868 | smctr_init_tx_bdbs(dev); | |
1869 | smctr_init_tx_fcbs(dev); | |
1870 | ||
1871 | /* Initialize receive FCB's and BDB's. */ | |
1872 | smctr_init_rx_bdbs(dev); | |
1873 | smctr_init_rx_fcbs(dev); | |
1874 | ||
1875 | return (0); | |
1876 | } | |
1877 | ||
1878 | static int smctr_init_tx_bdbs(struct net_device *dev) | |
1879 | { | |
1880 | struct net_local *tp = netdev_priv(dev); | |
1881 | unsigned int i, j; | |
1882 | BDBlock *bdb; | |
1883 | ||
1884 | for(i = 0; i < NUM_TX_QS_USED; i++) | |
1885 | { | |
1886 | bdb = tp->tx_bdb_head[i]; | |
1887 | bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); | |
1888 | bdb->next_ptr = (BDBlock *)(((char *)bdb) + sizeof(BDBlock)); | |
1889 | bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); | |
1890 | ||
1891 | for(j = 1; j < tp->num_tx_bdbs[i]; j++) | |
1892 | { | |
1893 | bdb->next_ptr->back_ptr = bdb; | |
1894 | bdb = bdb->next_ptr; | |
1895 | bdb->info = (BDB_NOT_CHAIN_END | BDB_NO_WARNING); | |
1896 | bdb->next_ptr | |
1897 | = (BDBlock *)(((char *)bdb) + sizeof( BDBlock)); bdb->trc_next_ptr = TRC_POINTER(bdb->next_ptr); | |
1898 | } | |
1899 | ||
1900 | bdb->next_ptr = tp->tx_bdb_head[i]; | |
1901 | bdb->trc_next_ptr = TRC_POINTER(tp->tx_bdb_head[i]); | |
1902 | tp->tx_bdb_head[i]->back_ptr = bdb; | |
1903 | } | |
1904 | ||
1905 | return (0); | |
1906 | } | |
1907 | ||
1908 | static int smctr_init_tx_fcbs(struct net_device *dev) | |
1909 | { | |
1910 | struct net_local *tp = netdev_priv(dev); | |
1911 | unsigned int i, j; | |
1912 | FCBlock *fcb; | |
1913 | ||
1914 | for(i = 0; i < NUM_TX_QS_USED; i++) | |
1915 | { | |
1916 | fcb = tp->tx_fcb_head[i]; | |
1917 | fcb->frame_status = 0; | |
1918 | fcb->frame_length = 0; | |
1919 | fcb->info = FCB_CHAIN_END; | |
1920 | fcb->next_ptr = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); | |
1921 | fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); | |
1922 | ||
1923 | for(j = 1; j < tp->num_tx_fcbs[i]; j++) | |
1924 | { | |
1925 | fcb->next_ptr->back_ptr = fcb; | |
1926 | fcb = fcb->next_ptr; | |
1927 | fcb->frame_status = 0; | |
1928 | fcb->frame_length = 0; | |
1929 | fcb->info = FCB_CHAIN_END; | |
1930 | fcb->next_ptr | |
1931 | = (FCBlock *)(((char *)fcb) + sizeof(FCBlock)); | |
1932 | fcb->trc_next_ptr = TRC_POINTER(fcb->next_ptr); | |
1933 | } | |
1934 | ||
1935 | fcb->next_ptr = tp->tx_fcb_head[i]; | |
1936 | fcb->trc_next_ptr = TRC_POINTER(tp->tx_fcb_head[i]); | |
1937 | ||
1938 | tp->tx_fcb_head[i]->back_ptr = fcb; | |
1939 | tp->tx_fcb_end[i] = tp->tx_fcb_head[i]->next_ptr; | |
1940 | tp->tx_fcb_curr[i] = tp->tx_fcb_head[i]->next_ptr; | |
1941 | tp->num_tx_fcbs_used[i] = 0; | |
1942 | } | |
1943 | ||
1944 | return (0); | |
1945 | } | |
1946 | ||
1947 | static int smctr_internal_self_test(struct net_device *dev) | |
1948 | { | |
1949 | struct net_local *tp = netdev_priv(dev); | |
1950 | int err; | |
1951 | ||
1952 | if((err = smctr_issue_test_internal_rom_cmd(dev))) | |
1953 | return (err); | |
1954 | ||
1955 | if((err = smctr_wait_cmd(dev))) | |
1956 | return (err); | |
1957 | ||
1958 | if(tp->acb_head->cmd_done_status & 0xff) | |
1959 | return (-1); | |
1960 | ||
1961 | if((err = smctr_issue_test_hic_cmd(dev))) | |
1962 | return (err); | |
1963 | ||
1964 | if((err = smctr_wait_cmd(dev))) | |
1965 | return (err); | |
1966 | ||
1967 | if(tp->acb_head->cmd_done_status & 0xff) | |
1968 | return (-1); | |
1969 | ||
1970 | if((err = smctr_issue_test_mac_reg_cmd(dev))) | |
1971 | return (err); | |
1972 | ||
1973 | if((err = smctr_wait_cmd(dev))) | |
1974 | return (err); | |
1975 | ||
1976 | if(tp->acb_head->cmd_done_status & 0xff) | |
1977 | return (-1); | |
1978 | ||
1979 | return (0); | |
1980 | } | |
1981 | ||
1982 | /* | |
1983 | * The typical workload of the driver: Handle the network interface interrupts. | |
1984 | */ | |
7d12e780 | 1985 | static irqreturn_t smctr_interrupt(int irq, void *dev_id) |
1da177e4 LT |
1986 | { |
1987 | struct net_device *dev = dev_id; | |
1988 | struct net_local *tp; | |
1989 | int ioaddr; | |
1990 | __u16 interrupt_unmask_bits = 0, interrupt_ack_code = 0xff00; | |
1991 | __u16 err1, err = NOT_MY_INTERRUPT; | |
1992 | __u8 isb_type, isb_subtype; | |
1993 | __u16 isb_index; | |
1994 | ||
1da177e4 LT |
1995 | ioaddr = dev->base_addr; |
1996 | tp = netdev_priv(dev); | |
1da177e4 LT |
1997 | |
1998 | if(tp->status == NOT_INITIALIZED) | |
1999 | return IRQ_NONE; | |
2000 | ||
2001 | spin_lock(&tp->lock); | |
2002 | ||
2003 | smctr_disable_bic_int(dev); | |
2004 | smctr_enable_16bit(dev); | |
2005 | ||
2006 | smctr_clear_int(dev); | |
2007 | ||
2008 | /* First read the LSB */ | |
2009 | while((tp->isb_ptr->IStatus[tp->current_isb_index].IType & 0xf0) == 0) | |
2010 | { | |
2011 | isb_index = tp->current_isb_index; | |
2012 | isb_type = tp->isb_ptr->IStatus[isb_index].IType; | |
2013 | isb_subtype = tp->isb_ptr->IStatus[isb_index].ISubtype; | |
2014 | ||
2015 | (tp->current_isb_index)++; | |
2016 | if(tp->current_isb_index == NUM_OF_INTERRUPTS) | |
2017 | tp->current_isb_index = 0; | |
2018 | ||
2019 | if(isb_type >= 0x10) | |
2020 | { | |
2021 | smctr_disable_16bit(dev); | |
2022 | spin_unlock(&tp->lock); | |
2023 | return IRQ_HANDLED; | |
2024 | } | |
2025 | ||
2026 | err = HARDWARE_FAILED; | |
2027 | interrupt_ack_code = isb_index; | |
2028 | tp->isb_ptr->IStatus[isb_index].IType |= 0xf0; | |
2029 | ||
2030 | interrupt_unmask_bits |= (1 << (__u16)isb_type); | |
2031 | ||
2032 | switch(isb_type) | |
2033 | { | |
2034 | case ISB_IMC_MAC_TYPE_3: | |
2035 | smctr_disable_16bit(dev); | |
2036 | ||
2037 | switch(isb_subtype) | |
2038 | { | |
2039 | case 0: | |
2040 | tp->monitor_state = MS_MONITOR_FSM_INACTIVE; | |
2041 | break; | |
2042 | ||
2043 | case 1: | |
2044 | tp->monitor_state = MS_REPEAT_BEACON_STATE; | |
2045 | break; | |
2046 | ||
2047 | case 2: | |
2048 | tp->monitor_state = MS_REPEAT_CLAIM_TOKEN_STATE; | |
2049 | break; | |
2050 | ||
2051 | case 3: | |
2052 | tp->monitor_state = MS_TRANSMIT_CLAIM_TOKEN_STATE; break; | |
2053 | ||
2054 | case 4: | |
2055 | tp->monitor_state = MS_STANDBY_MONITOR_STATE; | |
2056 | break; | |
2057 | ||
2058 | case 5: | |
2059 | tp->monitor_state = MS_TRANSMIT_BEACON_STATE; | |
2060 | break; | |
2061 | ||
2062 | case 6: | |
2063 | tp->monitor_state = MS_ACTIVE_MONITOR_STATE; | |
2064 | break; | |
2065 | ||
2066 | case 7: | |
2067 | tp->monitor_state = MS_TRANSMIT_RING_PURGE_STATE; | |
2068 | break; | |
2069 | ||
2070 | case 8: /* diagnostic state */ | |
2071 | break; | |
2072 | ||
2073 | case 9: | |
2074 | tp->monitor_state = MS_BEACON_TEST_STATE; | |
2075 | if(smctr_lobe_media_test(dev)) | |
2076 | { | |
2077 | tp->ring_status_flags = RING_STATUS_CHANGED; | |
2078 | tp->ring_status = AUTO_REMOVAL_ERROR; | |
2079 | smctr_ring_status_chg(dev); | |
2080 | smctr_bypass_state(dev); | |
2081 | } | |
2082 | else | |
2083 | smctr_issue_insert_cmd(dev); | |
2084 | break; | |
2085 | ||
2086 | /* case 0x0a-0xff, illegal states */ | |
2087 | default: | |
2088 | break; | |
2089 | } | |
2090 | ||
2091 | tp->ring_status_flags = MONITOR_STATE_CHANGED; | |
2092 | err = smctr_ring_status_chg(dev); | |
2093 | ||
2094 | smctr_enable_16bit(dev); | |
2095 | break; | |
2096 | ||
2097 | /* Type 0x02 - MAC Error Counters Interrupt | |
2098 | * One or more MAC Error Counter is half full | |
2099 | * MAC Error Counters | |
2100 | * Lost_FR_Error_Counter | |
2101 | * RCV_Congestion_Counter | |
2102 | * FR_copied_Error_Counter | |
2103 | * FREQ_Error_Counter | |
2104 | * Token_Error_Counter | |
2105 | * Line_Error_Counter | |
2106 | * Internal_Error_Count | |
2107 | */ | |
2108 | case ISB_IMC_MAC_ERROR_COUNTERS: | |
2109 | /* Read 802.5 Error Counters */ | |
2110 | err = smctr_issue_read_ring_status_cmd(dev); | |
2111 | break; | |
2112 | ||
2113 | /* Type 0x04 - MAC Type 2 Interrupt | |
2114 | * HOST needs to enqueue MAC Frame for transmission | |
2115 | * SubType Bit 15 - RQ_INIT_PDU( Request Initialization) * Changed from RQ_INIT_PDU to | |
2116 | * TRC_Status_Changed_Indicate | |
2117 | */ | |
2118 | case ISB_IMC_MAC_TYPE_2: | |
2119 | err = smctr_issue_read_ring_status_cmd(dev); | |
2120 | break; | |
2121 | ||
2122 | ||
2123 | /* Type 0x05 - TX Frame Interrupt (FI). */ | |
2124 | case ISB_IMC_TX_FRAME: | |
2125 | /* BUG QUEUE for TRC stuck receive BUG */ | |
2126 | if(isb_subtype & TX_PENDING_PRIORITY_2) | |
2127 | { | |
2128 | if((err = smctr_tx_complete(dev, BUG_QUEUE)) != SUCCESS) | |
2129 | break; | |
2130 | } | |
2131 | ||
2132 | /* NON-MAC frames only */ | |
2133 | if(isb_subtype & TX_PENDING_PRIORITY_1) | |
2134 | { | |
2135 | if((err = smctr_tx_complete(dev, NON_MAC_QUEUE)) != SUCCESS) | |
2136 | break; | |
2137 | } | |
2138 | ||
2139 | /* MAC frames only */ | |
2140 | if(isb_subtype & TX_PENDING_PRIORITY_0) | |
2141 | err = smctr_tx_complete(dev, MAC_QUEUE); break; | |
2142 | ||
2143 | /* Type 0x06 - TX END OF QUEUE (FE) */ | |
2144 | case ISB_IMC_END_OF_TX_QUEUE: | |
2145 | /* BUG queue */ | |
2146 | if(isb_subtype & TX_PENDING_PRIORITY_2) | |
2147 | { | |
2148 | /* ok to clear Receive FIFO overrun | |
2149 | * imask send_BUG now completes. | |
2150 | */ | |
2151 | interrupt_unmask_bits |= 0x800; | |
2152 | ||
2153 | tp->tx_queue_status[BUG_QUEUE] = NOT_TRANSMITING; | |
2154 | if((err = smctr_tx_complete(dev, BUG_QUEUE)) != SUCCESS) | |
2155 | break; | |
2156 | if((err = smctr_restart_tx_chain(dev, BUG_QUEUE)) != SUCCESS) | |
2157 | break; | |
2158 | } | |
2159 | ||
2160 | /* NON-MAC queue only */ | |
2161 | if(isb_subtype & TX_PENDING_PRIORITY_1) | |
2162 | { | |
2163 | tp->tx_queue_status[NON_MAC_QUEUE] = NOT_TRANSMITING; | |
2164 | if((err = smctr_tx_complete(dev, NON_MAC_QUEUE)) != SUCCESS) | |
2165 | break; | |
2166 | if((err = smctr_restart_tx_chain(dev, NON_MAC_QUEUE)) != SUCCESS) | |
2167 | break; | |
2168 | } | |
2169 | ||
2170 | /* MAC queue only */ | |
2171 | if(isb_subtype & TX_PENDING_PRIORITY_0) | |
2172 | { | |
2173 | tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; | |
2174 | if((err = smctr_tx_complete(dev, MAC_QUEUE)) != SUCCESS) | |
2175 | break; | |
2176 | ||
2177 | err = smctr_restart_tx_chain(dev, MAC_QUEUE); | |
2178 | } | |
2179 | break; | |
2180 | ||
2181 | /* Type 0x07 - NON-MAC RX Resource Interrupt | |
2182 | * Subtype bit 12 - (BW) BDB warning | |
2183 | * Subtype bit 13 - (FW) FCB warning | |
2184 | * Subtype bit 14 - (BE) BDB End of chain | |
2185 | * Subtype bit 15 - (FE) FCB End of chain | |
2186 | */ | |
2187 | case ISB_IMC_NON_MAC_RX_RESOURCE: | |
2188 | tp->rx_fifo_overrun_count = 0; | |
2189 | tp->receive_queue_number = NON_MAC_QUEUE; | |
2190 | err1 = smctr_rx_frame(dev); | |
2191 | ||
2192 | if(isb_subtype & NON_MAC_RX_RESOURCE_FE) | |
2193 | { | |
2194 | if((err = smctr_issue_resume_rx_fcb_cmd( dev, NON_MAC_QUEUE)) != SUCCESS) break; | |
2195 | ||
2196 | if(tp->ptr_rx_fcb_overruns) | |
2197 | (*tp->ptr_rx_fcb_overruns)++; | |
2198 | } | |
2199 | ||
2200 | if(isb_subtype & NON_MAC_RX_RESOURCE_BE) | |
2201 | { | |
2202 | if((err = smctr_issue_resume_rx_bdb_cmd( dev, NON_MAC_QUEUE)) != SUCCESS) break; | |
2203 | ||
2204 | if(tp->ptr_rx_bdb_overruns) | |
2205 | (*tp->ptr_rx_bdb_overruns)++; | |
2206 | } | |
2207 | err = err1; | |
2208 | break; | |
2209 | ||
2210 | /* Type 0x08 - MAC RX Resource Interrupt | |
2211 | * Subtype bit 12 - (BW) BDB warning | |
2212 | * Subtype bit 13 - (FW) FCB warning | |
2213 | * Subtype bit 14 - (BE) BDB End of chain | |
2214 | * Subtype bit 15 - (FE) FCB End of chain | |
2215 | */ | |
2216 | case ISB_IMC_MAC_RX_RESOURCE: | |
2217 | tp->receive_queue_number = MAC_QUEUE; | |
2218 | err1 = smctr_rx_frame(dev); | |
2219 | ||
2220 | if(isb_subtype & MAC_RX_RESOURCE_FE) | |
2221 | { | |
2222 | if((err = smctr_issue_resume_rx_fcb_cmd( dev, MAC_QUEUE)) != SUCCESS) | |
2223 | break; | |
2224 | ||
2225 | if(tp->ptr_rx_fcb_overruns) | |
2226 | (*tp->ptr_rx_fcb_overruns)++; | |
2227 | } | |
2228 | ||
2229 | if(isb_subtype & MAC_RX_RESOURCE_BE) | |
2230 | { | |
2231 | if((err = smctr_issue_resume_rx_bdb_cmd( dev, MAC_QUEUE)) != SUCCESS) | |
2232 | break; | |
2233 | ||
2234 | if(tp->ptr_rx_bdb_overruns) | |
2235 | (*tp->ptr_rx_bdb_overruns)++; | |
2236 | } | |
2237 | err = err1; | |
2238 | break; | |
2239 | ||
2240 | /* Type 0x09 - NON_MAC RX Frame Interrupt */ | |
2241 | case ISB_IMC_NON_MAC_RX_FRAME: | |
2242 | tp->rx_fifo_overrun_count = 0; | |
2243 | tp->receive_queue_number = NON_MAC_QUEUE; | |
2244 | err = smctr_rx_frame(dev); | |
2245 | break; | |
2246 | ||
2247 | /* Type 0x0A - MAC RX Frame Interrupt */ | |
2248 | case ISB_IMC_MAC_RX_FRAME: | |
2249 | tp->receive_queue_number = MAC_QUEUE; | |
2250 | err = smctr_rx_frame(dev); | |
2251 | break; | |
2252 | ||
2253 | /* Type 0x0B - TRC status | |
2254 | * TRC has encountered an error condition | |
2255 | * subtype bit 14 - transmit FIFO underrun | |
2256 | * subtype bit 15 - receive FIFO overrun | |
2257 | */ | |
2258 | case ISB_IMC_TRC_FIFO_STATUS: | |
2259 | if(isb_subtype & TRC_FIFO_STATUS_TX_UNDERRUN) | |
2260 | { | |
2261 | if(tp->ptr_tx_fifo_underruns) | |
2262 | (*tp->ptr_tx_fifo_underruns)++; | |
2263 | } | |
2264 | ||
2265 | if(isb_subtype & TRC_FIFO_STATUS_RX_OVERRUN) | |
2266 | { | |
2267 | /* update overrun stuck receive counter | |
2268 | * if >= 3, has to clear it by sending | |
2269 | * back to back frames. We pick | |
2270 | * DAT(duplicate address MAC frame) | |
2271 | */ | |
2272 | tp->rx_fifo_overrun_count++; | |
2273 | ||
2274 | if(tp->rx_fifo_overrun_count >= 3) | |
2275 | { | |
2276 | tp->rx_fifo_overrun_count = 0; | |
2277 | ||
2278 | /* delay clearing fifo overrun | |
2279 | * imask till send_BUG tx | |
2280 | * complete posted | |
2281 | */ | |
2282 | interrupt_unmask_bits &= (~0x800); | |
2283 | printk(KERN_CRIT "Jay please send bug\n");// smctr_send_bug(dev); | |
2284 | } | |
2285 | ||
2286 | if(tp->ptr_rx_fifo_overruns) | |
2287 | (*tp->ptr_rx_fifo_overruns)++; | |
2288 | } | |
2289 | ||
2290 | err = SUCCESS; | |
2291 | break; | |
2292 | ||
2293 | /* Type 0x0C - Action Command Status Interrupt | |
2294 | * Subtype bit 14 - CB end of command chain (CE) | |
2295 | * Subtype bit 15 - CB command interrupt (CI) | |
2296 | */ | |
2297 | case ISB_IMC_COMMAND_STATUS: | |
2298 | err = SUCCESS; | |
2299 | if(tp->acb_head->cmd == ACB_CMD_HIC_NOP) | |
2300 | { | |
2301 | printk(KERN_ERR "i1\n"); | |
2302 | smctr_disable_16bit(dev); | |
2303 | ||
2304 | /* XXXXXXXXXXXXXXXXX */ | |
2305 | /* err = UM_Interrupt(dev); */ | |
2306 | ||
2307 | smctr_enable_16bit(dev); | |
2308 | } | |
2309 | else | |
2310 | { | |
2311 | if((tp->acb_head->cmd | |
2312 | == ACB_CMD_READ_TRC_STATUS) | |
2313 | && (tp->acb_head->subcmd | |
2314 | == RW_TRC_STATUS_BLOCK)) | |
2315 | { | |
79ea13ce | 2316 | if(tp->ptr_bcn_type) |
1da177e4 LT |
2317 | { |
2318 | *(tp->ptr_bcn_type) | |
2319 | = (__u32)((SBlock *)tp->misc_command_data)->BCN_Type; | |
2320 | } | |
2321 | ||
2322 | if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & ERROR_COUNTERS_CHANGED) | |
2323 | { | |
2324 | smctr_update_err_stats(dev); | |
2325 | } | |
2326 | ||
2327 | if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & TI_NDIS_RING_STATUS_CHANGED) | |
2328 | { | |
2329 | tp->ring_status | |
2330 | = ((SBlock*)tp->misc_command_data)->TI_NDIS_Ring_Status; | |
2331 | smctr_disable_16bit(dev); | |
2332 | err = smctr_ring_status_chg(dev); | |
2333 | smctr_enable_16bit(dev); | |
2334 | if((tp->ring_status & REMOVE_RECEIVED) | |
2335 | && (tp->config_word0 & NO_AUTOREMOVE)) | |
2336 | { | |
2337 | smctr_issue_remove_cmd(dev); | |
2338 | } | |
2339 | ||
2340 | if(err != SUCCESS) | |
2341 | { | |
2342 | tp->acb_pending = 0; | |
2343 | break; | |
2344 | } | |
2345 | } | |
2346 | ||
2347 | if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & UNA_CHANGED) | |
2348 | { | |
2349 | if(tp->ptr_una) | |
2350 | { | |
2351 | tp->ptr_una[0] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[0]); | |
2352 | tp->ptr_una[1] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[1]); | |
2353 | tp->ptr_una[2] = SWAP_BYTES(((SBlock *)tp->misc_command_data)->UNA[2]); | |
2354 | } | |
2355 | ||
2356 | } | |
2357 | ||
2358 | if(((SBlock *)tp->misc_command_data)->Status_CHG_Indicate & READY_TO_SEND_RQ_INIT) { | |
2359 | err = smctr_send_rq_init(dev); | |
2360 | } | |
2361 | } | |
2362 | } | |
2363 | ||
2364 | tp->acb_pending = 0; | |
2365 | break; | |
2366 | ||
2367 | /* Type 0x0D - MAC Type 1 interrupt | |
2368 | * Subtype -- 00 FR_BCN received at S12 | |
2369 | * 01 FR_BCN received at S21 | |
2370 | * 02 FR_DAT(DA=MA, A<>0) received at S21 | |
2371 | * 03 TSM_EXP at S21 | |
2372 | * 04 FR_REMOVE received at S42 | |
2373 | * 05 TBR_EXP, BR_FLAG_SET at S42 | |
2374 | * 06 TBT_EXP at S53 | |
2375 | */ | |
2376 | case ISB_IMC_MAC_TYPE_1: | |
2377 | if(isb_subtype > 8) | |
2378 | { | |
2379 | err = HARDWARE_FAILED; | |
2380 | break; | |
2381 | } | |
2382 | ||
2383 | err = SUCCESS; | |
2384 | switch(isb_subtype) | |
2385 | { | |
2386 | case 0: | |
2387 | tp->join_state = JS_BYPASS_STATE; | |
2388 | if(tp->status != CLOSED) | |
2389 | { | |
2390 | tp->status = CLOSED; | |
2391 | err = smctr_status_chg(dev); | |
2392 | } | |
2393 | break; | |
2394 | ||
2395 | case 1: | |
2396 | tp->join_state = JS_LOBE_TEST_STATE; | |
2397 | break; | |
2398 | ||
2399 | case 2: | |
2400 | tp->join_state = JS_DETECT_MONITOR_PRESENT_STATE; | |
2401 | break; | |
2402 | ||
2403 | case 3: | |
2404 | tp->join_state = JS_AWAIT_NEW_MONITOR_STATE; | |
2405 | break; | |
2406 | ||
2407 | case 4: | |
2408 | tp->join_state = JS_DUPLICATE_ADDRESS_TEST_STATE; | |
2409 | break; | |
2410 | ||
2411 | case 5: | |
2412 | tp->join_state = JS_NEIGHBOR_NOTIFICATION_STATE; | |
2413 | break; | |
2414 | ||
2415 | case 6: | |
2416 | tp->join_state = JS_REQUEST_INITIALIZATION_STATE; | |
2417 | break; | |
2418 | ||
2419 | case 7: | |
2420 | tp->join_state = JS_JOIN_COMPLETE_STATE; | |
2421 | tp->status = OPEN; | |
2422 | err = smctr_status_chg(dev); | |
2423 | break; | |
2424 | ||
2425 | case 8: | |
2426 | tp->join_state = JS_BYPASS_WAIT_STATE; | |
2427 | break; | |
2428 | } | |
2429 | break ; | |
2430 | ||
2431 | /* Type 0x0E - TRC Initialization Sequence Interrupt | |
2432 | * Subtype -- 00-FF Initializatin sequence complete | |
2433 | */ | |
2434 | case ISB_IMC_TRC_INTRNL_TST_STATUS: | |
2435 | tp->status = INITIALIZED; | |
2436 | smctr_disable_16bit(dev); | |
2437 | err = smctr_status_chg(dev); | |
2438 | smctr_enable_16bit(dev); | |
2439 | break; | |
2440 | ||
2441 | /* other interrupt types, illegal */ | |
2442 | default: | |
2443 | break; | |
2444 | } | |
2445 | ||
2446 | if(err != SUCCESS) | |
2447 | break; | |
2448 | } | |
2449 | ||
2450 | /* Checking the ack code instead of the unmask bits here is because : | |
2451 | * while fixing the stuck receive, DAT frame are sent and mask off | |
2452 | * FIFO overrun interrupt temporarily (interrupt_unmask_bits = 0) | |
2453 | * but we still want to issue ack to ISB | |
2454 | */ | |
2455 | if(!(interrupt_ack_code & 0xff00)) | |
2456 | smctr_issue_int_ack(dev, interrupt_ack_code, interrupt_unmask_bits); | |
2457 | ||
2458 | smctr_disable_16bit(dev); | |
2459 | smctr_enable_bic_int(dev); | |
2460 | spin_unlock(&tp->lock); | |
2461 | ||
2462 | return IRQ_HANDLED; | |
2463 | } | |
2464 | ||
2465 | static int smctr_issue_enable_int_cmd(struct net_device *dev, | |
2466 | __u16 interrupt_enable_mask) | |
2467 | { | |
2468 | struct net_local *tp = netdev_priv(dev); | |
2469 | int err; | |
2470 | ||
2471 | if((err = smctr_wait_while_cbusy(dev))) | |
2472 | return (err); | |
2473 | ||
2474 | tp->sclb_ptr->int_mask_control = interrupt_enable_mask; | |
2475 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_CLEAR_INTERRUPT_MASK; | |
2476 | ||
2477 | smctr_set_ctrl_attention(dev); | |
2478 | ||
2479 | return (0); | |
2480 | } | |
2481 | ||
2482 | static int smctr_issue_int_ack(struct net_device *dev, __u16 iack_code, __u16 ibits) | |
2483 | { | |
2484 | struct net_local *tp = netdev_priv(dev); | |
2485 | ||
2486 | if(smctr_wait_while_cbusy(dev)) | |
2487 | return (-1); | |
2488 | ||
2489 | tp->sclb_ptr->int_mask_control = ibits; | |
2490 | tp->sclb_ptr->iack_code = iack_code << 1; /* use the offset from base */ tp->sclb_ptr->resume_control = 0; | |
2491 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_IACK_CODE_VALID | SCLB_CMD_CLEAR_INTERRUPT_MASK; | |
2492 | ||
2493 | smctr_set_ctrl_attention(dev); | |
2494 | ||
2495 | return (0); | |
2496 | } | |
2497 | ||
2498 | static int smctr_issue_init_timers_cmd(struct net_device *dev) | |
2499 | { | |
2500 | struct net_local *tp = netdev_priv(dev); | |
2501 | unsigned int i; | |
2502 | int err; | |
2503 | __u16 *pTimer_Struc = (__u16 *)tp->misc_command_data; | |
2504 | ||
2505 | if((err = smctr_wait_while_cbusy(dev))) | |
2506 | return (err); | |
2507 | ||
2508 | if((err = smctr_wait_cmd(dev))) | |
2509 | return (err); | |
2510 | ||
2511 | tp->config_word0 = THDREN | DMA_TRIGGER | USETPT | NO_AUTOREMOVE; | |
2512 | tp->config_word1 = 0; | |
2513 | ||
2514 | if((tp->media_type == MEDIA_STP_16) | |
2515 | || (tp->media_type == MEDIA_UTP_16) | |
2516 | || (tp->media_type == MEDIA_STP_16_UTP_16)) | |
2517 | { | |
2518 | tp->config_word0 |= FREQ_16MB_BIT; | |
2519 | } | |
2520 | ||
2521 | if(tp->mode_bits & EARLY_TOKEN_REL) | |
2522 | tp->config_word0 |= ETREN; | |
2523 | ||
2524 | if(tp->mode_bits & LOOPING_MODE_MASK) | |
2525 | tp->config_word0 |= RX_OWN_BIT; | |
2526 | else | |
2527 | tp->config_word0 &= ~RX_OWN_BIT; | |
2528 | ||
2529 | if(tp->receive_mask & PROMISCUOUS_MODE) | |
2530 | tp->config_word0 |= PROMISCUOUS_BIT; | |
2531 | else | |
2532 | tp->config_word0 &= ~PROMISCUOUS_BIT; | |
2533 | ||
2534 | if(tp->receive_mask & ACCEPT_ERR_PACKETS) | |
2535 | tp->config_word0 |= SAVBAD_BIT; | |
2536 | else | |
2537 | tp->config_word0 &= ~SAVBAD_BIT; | |
2538 | ||
2539 | if(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) | |
2540 | tp->config_word0 |= RXATMAC; | |
2541 | else | |
2542 | tp->config_word0 &= ~RXATMAC; | |
2543 | ||
2544 | if(tp->receive_mask & ACCEPT_MULTI_PROM) | |
2545 | tp->config_word1 |= MULTICAST_ADDRESS_BIT; | |
2546 | else | |
2547 | tp->config_word1 &= ~MULTICAST_ADDRESS_BIT; | |
2548 | ||
2549 | if(tp->receive_mask & ACCEPT_SOURCE_ROUTING_SPANNING) | |
2550 | tp->config_word1 |= SOURCE_ROUTING_SPANNING_BITS; | |
2551 | else | |
2552 | { | |
2553 | if(tp->receive_mask & ACCEPT_SOURCE_ROUTING) | |
2554 | tp->config_word1 |= SOURCE_ROUTING_EXPLORER_BIT; | |
2555 | else | |
2556 | tp->config_word1 &= ~SOURCE_ROUTING_SPANNING_BITS; | |
2557 | } | |
2558 | ||
2559 | if((tp->media_type == MEDIA_STP_16) | |
2560 | || (tp->media_type == MEDIA_UTP_16) | |
2561 | || (tp->media_type == MEDIA_STP_16_UTP_16)) | |
2562 | { | |
2563 | tp->config_word1 |= INTERFRAME_SPACING_16; | |
2564 | } | |
2565 | else | |
2566 | tp->config_word1 |= INTERFRAME_SPACING_4; | |
2567 | ||
2568 | *pTimer_Struc++ = tp->config_word0; | |
2569 | *pTimer_Struc++ = tp->config_word1; | |
2570 | ||
2571 | if((tp->media_type == MEDIA_STP_4) | |
2572 | || (tp->media_type == MEDIA_UTP_4) | |
2573 | || (tp->media_type == MEDIA_STP_4_UTP_4)) | |
2574 | { | |
2575 | *pTimer_Struc++ = 0x00FA; /* prescale */ | |
2576 | *pTimer_Struc++ = 0x2710; /* TPT_limit */ | |
2577 | *pTimer_Struc++ = 0x2710; /* TQP_limit */ | |
2578 | *pTimer_Struc++ = 0x0A28; /* TNT_limit */ | |
2579 | *pTimer_Struc++ = 0x3E80; /* TBT_limit */ | |
2580 | *pTimer_Struc++ = 0x3A98; /* TSM_limit */ | |
2581 | *pTimer_Struc++ = 0x1B58; /* TAM_limit */ | |
2582 | *pTimer_Struc++ = 0x00C8; /* TBR_limit */ | |
2583 | *pTimer_Struc++ = 0x07D0; /* TER_limit */ | |
2584 | *pTimer_Struc++ = 0x000A; /* TGT_limit */ | |
2585 | *pTimer_Struc++ = 0x1162; /* THT_limit */ | |
2586 | *pTimer_Struc++ = 0x07D0; /* TRR_limit */ | |
2587 | *pTimer_Struc++ = 0x1388; /* TVX_limit */ | |
2588 | *pTimer_Struc++ = 0x0000; /* reserved */ | |
2589 | } | |
2590 | else | |
2591 | { | |
2592 | *pTimer_Struc++ = 0x03E8; /* prescale */ | |
2593 | *pTimer_Struc++ = 0x9C40; /* TPT_limit */ | |
2594 | *pTimer_Struc++ = 0x9C40; /* TQP_limit */ | |
2595 | *pTimer_Struc++ = 0x0A28; /* TNT_limit */ | |
2596 | *pTimer_Struc++ = 0x3E80; /* TBT_limit */ | |
2597 | *pTimer_Struc++ = 0x3A98; /* TSM_limit */ | |
2598 | *pTimer_Struc++ = 0x1B58; /* TAM_limit */ | |
2599 | *pTimer_Struc++ = 0x00C8; /* TBR_limit */ | |
2600 | *pTimer_Struc++ = 0x07D0; /* TER_limit */ | |
2601 | *pTimer_Struc++ = 0x000A; /* TGT_limit */ | |
2602 | *pTimer_Struc++ = 0x4588; /* THT_limit */ | |
2603 | *pTimer_Struc++ = 0x1F40; /* TRR_limit */ | |
2604 | *pTimer_Struc++ = 0x4E20; /* TVX_limit */ | |
2605 | *pTimer_Struc++ = 0x0000; /* reserved */ | |
2606 | } | |
2607 | ||
2608 | /* Set node address. */ | |
2609 | *pTimer_Struc++ = dev->dev_addr[0] << 8 | |
2610 | | (dev->dev_addr[1] & 0xFF); | |
2611 | *pTimer_Struc++ = dev->dev_addr[2] << 8 | |
2612 | | (dev->dev_addr[3] & 0xFF); | |
2613 | *pTimer_Struc++ = dev->dev_addr[4] << 8 | |
2614 | | (dev->dev_addr[5] & 0xFF); | |
2615 | ||
2616 | /* Set group address. */ | |
2617 | *pTimer_Struc++ = tp->group_address_0 << 8 | |
2618 | | tp->group_address_0 >> 8; | |
2619 | *pTimer_Struc++ = tp->group_address[0] << 8 | |
2620 | | tp->group_address[0] >> 8; | |
2621 | *pTimer_Struc++ = tp->group_address[1] << 8 | |
2622 | | tp->group_address[1] >> 8; | |
2623 | ||
2624 | /* Set functional address. */ | |
2625 | *pTimer_Struc++ = tp->functional_address_0 << 8 | |
2626 | | tp->functional_address_0 >> 8; | |
2627 | *pTimer_Struc++ = tp->functional_address[0] << 8 | |
2628 | | tp->functional_address[0] >> 8; | |
2629 | *pTimer_Struc++ = tp->functional_address[1] << 8 | |
2630 | | tp->functional_address[1] >> 8; | |
2631 | ||
2632 | /* Set Bit-Wise group address. */ | |
2633 | *pTimer_Struc++ = tp->bitwise_group_address[0] << 8 | |
2634 | | tp->bitwise_group_address[0] >> 8; | |
2635 | *pTimer_Struc++ = tp->bitwise_group_address[1] << 8 | |
2636 | | tp->bitwise_group_address[1] >> 8; | |
2637 | ||
2638 | /* Set ring number address. */ | |
2639 | *pTimer_Struc++ = tp->source_ring_number; | |
2640 | *pTimer_Struc++ = tp->target_ring_number; | |
2641 | ||
2642 | /* Physical drop number. */ | |
2643 | *pTimer_Struc++ = (unsigned short)0; | |
2644 | *pTimer_Struc++ = (unsigned short)0; | |
2645 | ||
2646 | /* Product instance ID. */ | |
2647 | for(i = 0; i < 9; i++) | |
2648 | *pTimer_Struc++ = (unsigned short)0; | |
2649 | ||
2650 | err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_INIT_TRC_TIMERS, 0); | |
2651 | ||
2652 | return (err); | |
2653 | } | |
2654 | ||
2655 | static int smctr_issue_init_txrx_cmd(struct net_device *dev) | |
2656 | { | |
2657 | struct net_local *tp = netdev_priv(dev); | |
2658 | unsigned int i; | |
2659 | int err; | |
2660 | void **txrx_ptrs = (void *)tp->misc_command_data; | |
2661 | ||
2662 | if((err = smctr_wait_while_cbusy(dev))) | |
2663 | return (err); | |
2664 | ||
2665 | if((err = smctr_wait_cmd(dev))) | |
2666 | { | |
2667 | printk(KERN_ERR "%s: Hardware failure\n", dev->name); | |
2668 | return (err); | |
2669 | } | |
2670 | ||
2671 | /* Initialize Transmit Queue Pointers that are used, to point to | |
2672 | * a single FCB. | |
2673 | */ | |
2674 | for(i = 0; i < NUM_TX_QS_USED; i++) | |
2675 | *txrx_ptrs++ = (void *)TRC_POINTER(tp->tx_fcb_head[i]); | |
2676 | ||
2677 | /* Initialize Transmit Queue Pointers that are NOT used to ZERO. */ | |
2678 | for(; i < MAX_TX_QS; i++) | |
2679 | *txrx_ptrs++ = (void *)0; | |
2680 | ||
2681 | /* Initialize Receive Queue Pointers (MAC and Non-MAC) that are | |
2682 | * used, to point to a single FCB and a BDB chain of buffers. | |
2683 | */ | |
2684 | for(i = 0; i < NUM_RX_QS_USED; i++) | |
2685 | { | |
2686 | *txrx_ptrs++ = (void *)TRC_POINTER(tp->rx_fcb_head[i]); | |
2687 | *txrx_ptrs++ = (void *)TRC_POINTER(tp->rx_bdb_head[i]); | |
2688 | } | |
2689 | ||
2690 | /* Initialize Receive Queue Pointers that are NOT used to ZERO. */ | |
2691 | for(; i < MAX_RX_QS; i++) | |
2692 | { | |
2693 | *txrx_ptrs++ = (void *)0; | |
2694 | *txrx_ptrs++ = (void *)0; | |
2695 | } | |
2696 | ||
2697 | err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_INIT_TX_RX, 0); | |
2698 | ||
2699 | return (err); | |
2700 | } | |
2701 | ||
2702 | static int smctr_issue_insert_cmd(struct net_device *dev) | |
2703 | { | |
2704 | int err; | |
2705 | ||
2706 | err = smctr_setup_single_cmd(dev, ACB_CMD_INSERT, ACB_SUB_CMD_NOP); | |
2707 | ||
2708 | return (err); | |
2709 | } | |
2710 | ||
2711 | static int smctr_issue_read_ring_status_cmd(struct net_device *dev) | |
2712 | { | |
2713 | int err; | |
2714 | ||
2715 | if((err = smctr_wait_while_cbusy(dev))) | |
2716 | return (err); | |
2717 | ||
2718 | if((err = smctr_wait_cmd(dev))) | |
2719 | return (err); | |
2720 | ||
2721 | err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_READ_TRC_STATUS, | |
2722 | RW_TRC_STATUS_BLOCK); | |
2723 | ||
2724 | return (err); | |
2725 | } | |
2726 | ||
2727 | static int smctr_issue_read_word_cmd(struct net_device *dev, __u16 aword_cnt) | |
2728 | { | |
2729 | int err; | |
2730 | ||
2731 | if((err = smctr_wait_while_cbusy(dev))) | |
2732 | return (err); | |
2733 | ||
2734 | if((err = smctr_wait_cmd(dev))) | |
2735 | return (err); | |
2736 | ||
2737 | err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_READ_VALUE, | |
2738 | aword_cnt); | |
2739 | ||
2740 | return (err); | |
2741 | } | |
2742 | ||
2743 | static int smctr_issue_remove_cmd(struct net_device *dev) | |
2744 | { | |
2745 | struct net_local *tp = netdev_priv(dev); | |
2746 | int err; | |
2747 | ||
2748 | if((err = smctr_wait_while_cbusy(dev))) | |
2749 | return (err); | |
2750 | ||
2751 | tp->sclb_ptr->resume_control = 0; | |
2752 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_CMD_REMOVE; | |
2753 | ||
2754 | smctr_set_ctrl_attention(dev); | |
2755 | ||
2756 | return (0); | |
2757 | } | |
2758 | ||
2759 | static int smctr_issue_resume_acb_cmd(struct net_device *dev) | |
2760 | { | |
2761 | struct net_local *tp = netdev_priv(dev); | |
2762 | int err; | |
2763 | ||
2764 | if((err = smctr_wait_while_cbusy(dev))) | |
2765 | return (err); | |
2766 | ||
2767 | tp->sclb_ptr->resume_control = SCLB_RC_ACB; | |
2768 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; | |
2769 | ||
2770 | tp->acb_pending = 1; | |
2771 | ||
2772 | smctr_set_ctrl_attention(dev); | |
2773 | ||
2774 | return (0); | |
2775 | } | |
2776 | ||
2777 | static int smctr_issue_resume_rx_bdb_cmd(struct net_device *dev, __u16 queue) | |
2778 | { | |
2779 | struct net_local *tp = netdev_priv(dev); | |
2780 | int err; | |
2781 | ||
2782 | if((err = smctr_wait_while_cbusy(dev))) | |
2783 | return (err); | |
2784 | ||
2785 | if(queue == MAC_QUEUE) | |
2786 | tp->sclb_ptr->resume_control = SCLB_RC_RX_MAC_BDB; | |
2787 | else | |
2788 | tp->sclb_ptr->resume_control = SCLB_RC_RX_NON_MAC_BDB; | |
2789 | ||
2790 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; | |
2791 | ||
2792 | smctr_set_ctrl_attention(dev); | |
2793 | ||
2794 | return (0); | |
2795 | } | |
2796 | ||
2797 | static int smctr_issue_resume_rx_fcb_cmd(struct net_device *dev, __u16 queue) | |
2798 | { | |
2799 | struct net_local *tp = netdev_priv(dev); | |
2800 | ||
2801 | if(smctr_debug > 10) | |
2802 | printk(KERN_DEBUG "%s: smctr_issue_resume_rx_fcb_cmd\n", dev->name); | |
2803 | ||
2804 | if(smctr_wait_while_cbusy(dev)) | |
2805 | return (-1); | |
2806 | ||
2807 | if(queue == MAC_QUEUE) | |
2808 | tp->sclb_ptr->resume_control = SCLB_RC_RX_MAC_FCB; | |
2809 | else | |
2810 | tp->sclb_ptr->resume_control = SCLB_RC_RX_NON_MAC_FCB; | |
2811 | ||
2812 | tp->sclb_ptr->valid_command = SCLB_VALID | SCLB_RESUME_CONTROL_VALID; | |
2813 | ||
2814 | smctr_set_ctrl_attention(dev); | |
2815 | ||
2816 | return (0); | |
2817 | } | |
2818 | ||
2819 | static int smctr_issue_resume_tx_fcb_cmd(struct net_device *dev, __u16 queue) | |
2820 | { | |
2821 | struct net_local *tp = netdev_priv(dev); | |
2822 | ||
2823 | if(smctr_debug > 10) | |
2824 | printk(KERN_DEBUG "%s: smctr_issue_resume_tx_fcb_cmd\n", dev->name); | |
2825 | ||
2826 | if(smctr_wait_while_cbusy(dev)) | |
2827 | return (-1); | |
2828 | ||
2829 | tp->sclb_ptr->resume_control = (SCLB_RC_TFCB0 << queue); | |
2830 | tp->sclb_ptr->valid_command = SCLB_RESUME_CONTROL_VALID | SCLB_VALID; | |
2831 | ||
2832 | smctr_set_ctrl_attention(dev); | |
2833 | ||
2834 | return (0); | |
2835 | } | |
2836 | ||
2837 | static int smctr_issue_test_internal_rom_cmd(struct net_device *dev) | |
2838 | { | |
2839 | int err; | |
2840 | ||
2841 | err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, | |
2842 | TRC_INTERNAL_ROM_TEST); | |
2843 | ||
2844 | return (err); | |
2845 | } | |
2846 | ||
2847 | static int smctr_issue_test_hic_cmd(struct net_device *dev) | |
2848 | { | |
2849 | int err; | |
2850 | ||
2851 | err = smctr_setup_single_cmd(dev, ACB_CMD_HIC_TEST, | |
2852 | TRC_HOST_INTERFACE_REG_TEST); | |
2853 | ||
2854 | return (err); | |
2855 | } | |
2856 | ||
2857 | static int smctr_issue_test_mac_reg_cmd(struct net_device *dev) | |
2858 | { | |
2859 | int err; | |
2860 | ||
2861 | err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, | |
2862 | TRC_MAC_REGISTERS_TEST); | |
2863 | ||
2864 | return (err); | |
2865 | } | |
2866 | ||
2867 | static int smctr_issue_trc_loopback_cmd(struct net_device *dev) | |
2868 | { | |
2869 | int err; | |
2870 | ||
2871 | err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, | |
2872 | TRC_INTERNAL_LOOPBACK); | |
2873 | ||
2874 | return (err); | |
2875 | } | |
2876 | ||
2877 | static int smctr_issue_tri_loopback_cmd(struct net_device *dev) | |
2878 | { | |
2879 | int err; | |
2880 | ||
2881 | err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, | |
2882 | TRC_TRI_LOOPBACK); | |
2883 | ||
2884 | return (err); | |
2885 | } | |
2886 | ||
2887 | static int smctr_issue_write_byte_cmd(struct net_device *dev, | |
2888 | short aword_cnt, void *byte) | |
2889 | { | |
2890 | struct net_local *tp = netdev_priv(dev); | |
2891 | unsigned int iword, ibyte; | |
2892 | int err; | |
2893 | ||
2894 | if((err = smctr_wait_while_cbusy(dev))) | |
2895 | return (err); | |
2896 | ||
2897 | if((err = smctr_wait_cmd(dev))) | |
2898 | return (err); | |
2899 | ||
2900 | for(iword = 0, ibyte = 0; iword < (unsigned int)(aword_cnt & 0xff); | |
2901 | iword++, ibyte += 2) | |
2902 | { | |
2903 | tp->misc_command_data[iword] = (*((__u8 *)byte + ibyte) << 8) | |
2904 | | (*((__u8 *)byte + ibyte + 1)); | |
2905 | } | |
2906 | ||
2907 | return (smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_WRITE_VALUE, | |
2908 | aword_cnt)); | |
2909 | } | |
2910 | ||
2911 | static int smctr_issue_write_word_cmd(struct net_device *dev, | |
2912 | short aword_cnt, void *word) | |
2913 | { | |
2914 | struct net_local *tp = netdev_priv(dev); | |
2915 | unsigned int i, err; | |
2916 | ||
2917 | if((err = smctr_wait_while_cbusy(dev))) | |
2918 | return (err); | |
2919 | ||
2920 | if((err = smctr_wait_cmd(dev))) | |
2921 | return (err); | |
2922 | ||
2923 | for(i = 0; i < (unsigned int)(aword_cnt & 0xff); i++) | |
2924 | tp->misc_command_data[i] = *((__u16 *)word + i); | |
2925 | ||
2926 | err = smctr_setup_single_cmd_w_data(dev, ACB_CMD_MCT_WRITE_VALUE, | |
2927 | aword_cnt); | |
2928 | ||
2929 | return (err); | |
2930 | } | |
2931 | ||
2932 | static int smctr_join_complete_state(struct net_device *dev) | |
2933 | { | |
2934 | int err; | |
2935 | ||
2936 | err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, | |
2937 | JS_JOIN_COMPLETE_STATE); | |
2938 | ||
2939 | return (err); | |
2940 | } | |
2941 | ||
2942 | static int smctr_link_tx_fcbs_to_bdbs(struct net_device *dev) | |
2943 | { | |
2944 | struct net_local *tp = netdev_priv(dev); | |
2945 | unsigned int i, j; | |
2946 | FCBlock *fcb; | |
2947 | BDBlock *bdb; | |
2948 | ||
2949 | for(i = 0; i < NUM_TX_QS_USED; i++) | |
2950 | { | |
2951 | fcb = tp->tx_fcb_head[i]; | |
2952 | bdb = tp->tx_bdb_head[i]; | |
2953 | ||
2954 | for(j = 0; j < tp->num_tx_fcbs[i]; j++) | |
2955 | { | |
2956 | fcb->bdb_ptr = bdb; | |
2957 | fcb->trc_bdb_ptr = TRC_POINTER(bdb); | |
2958 | fcb = (FCBlock *)((char *)fcb + sizeof(FCBlock)); | |
2959 | bdb = (BDBlock *)((char *)bdb + sizeof(BDBlock)); | |
2960 | } | |
2961 | } | |
2962 | ||
2963 | return (0); | |
2964 | } | |
2965 | ||
2966 | static int smctr_load_firmware(struct net_device *dev) | |
2967 | { | |
2968 | struct net_local *tp = netdev_priv(dev); | |
0f805b86 | 2969 | const struct firmware *fw; |
1da177e4 LT |
2970 | __u16 i, checksum = 0; |
2971 | int err = 0; | |
2972 | ||
2973 | if(smctr_debug > 10) | |
2974 | printk(KERN_DEBUG "%s: smctr_load_firmware\n", dev->name); | |
2975 | ||
0f805b86 DW |
2976 | if (request_firmware(&fw, "tr_smctr.bin", &dev->dev)) { |
2977 | printk(KERN_ERR "%s: firmware not found\n", dev->name); | |
2978 | return (UCODE_NOT_PRESENT); | |
2979 | } | |
2980 | ||
1da177e4 LT |
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. */ | |
0f805b86 DW |
2987 | if (tp->microcode_version != 0) { |
2988 | err = (UCODE_PRESENT); | |
2989 | goto out; | |
2990 | } | |
1da177e4 LT |
2991 | |
2992 | /* Verify the firmware exists and is there in the right amount. */ | |
0f805b86 DW |
2993 | if (!fw->data |
2994 | || (*(fw->data + UCODE_VERSION_OFFSET) < UCODE_VERSION)) | |
1da177e4 | 2995 | { |
0f805b86 DW |
2996 | err = (UCODE_NOT_PRESENT); |
2997 | goto out; | |
1da177e4 LT |
2998 | } |
2999 | ||
3000 | /* UCODE_SIZE is not included in Checksum. */ | |
0f805b86 DW |
3001 | for(i = 0; i < *((__u16 *)(fw->data + UCODE_SIZE_OFFSET)); i += 2) |
3002 | checksum += *((__u16 *)(fw->data + 2 + i)); | |
3003 | if (checksum) { | |
3004 | err = (UCODE_NOT_PRESENT); | |
3005 | goto out; | |
3006 | } | |
1da177e4 LT |
3007 | |
3008 | /* At this point we have a valid firmware image, lets kick it on up. */ | |
3009 | smctr_enable_adapter_ram(dev); | |
3010 | smctr_enable_16bit(dev); | |
3011 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
3012 | ||
3013 | if((smctr_checksum_firmware(dev)) | |
0f805b86 | 3014 | || (*(fw->data + UCODE_VERSION_OFFSET) |
1da177e4 LT |
3015 | > tp->microcode_version)) |
3016 | { | |
3017 | smctr_enable_adapter_ctrl_store(dev); | |
3018 | ||
3019 | /* Zero out ram space for firmware. */ | |
3020 | for(i = 0; i < CS_RAM_SIZE; i += 2) | |
3021 | *((__u16 *)(tp->ram_access + i)) = 0; | |
3022 | ||
0f805b86 | 3023 | smctr_decode_firmware(dev, fw); |
1da177e4 | 3024 | |
0f805b86 | 3025 | tp->microcode_version = *(fw->data + UCODE_VERSION_OFFSET); *((__u16 *)(tp->ram_access + CS_RAM_VERSION_OFFSET)) |
1da177e4 LT |
3026 | = (tp->microcode_version << 8); |
3027 | *((__u16 *)(tp->ram_access + CS_RAM_CHECKSUM_OFFSET)) | |
3028 | = ~(tp->microcode_version << 8) + 1; | |
3029 | ||
3030 | smctr_disable_adapter_ctrl_store(dev); | |
3031 | ||
3032 | if(smctr_checksum_firmware(dev)) | |
3033 | err = HARDWARE_FAILED; | |
3034 | } | |
3035 | else | |
3036 | err = UCODE_PRESENT; | |
3037 | ||
3038 | smctr_disable_16bit(dev); | |
0f805b86 DW |
3039 | out: |
3040 | release_firmware(fw); | |
1da177e4 LT |
3041 | return (err); |
3042 | } | |
3043 | ||
3044 | static int smctr_load_node_addr(struct net_device *dev) | |
3045 | { | |
3046 | int ioaddr = dev->base_addr; | |
3047 | unsigned int i; | |
3048 | __u8 r; | |
3049 | ||
3050 | for(i = 0; i < 6; i++) | |
3051 | { | |
3052 | r = inb(ioaddr + LAR0 + i); | |
3053 | dev->dev_addr[i] = (char)r; | |
3054 | } | |
3055 | dev->addr_len = 6; | |
3056 | ||
3057 | return (0); | |
3058 | } | |
3059 | ||
3060 | /* Lobe Media Test. | |
3061 | * During the transmission of the initial 1500 lobe media MAC frames, | |
3062 | * the phase lock loop in the 805 chip may lock, and then un-lock, causing | |
3063 | * the 825 to go into a PURGE state. When performing a PURGE, the MCT | |
3064 | * microcode will not transmit any frames given to it by the host, and | |
3065 | * will consequently cause a timeout. | |
3066 | * | |
3067 | * NOTE 1: If the monitor_state is MS_BEACON_TEST_STATE, all transmit | |
025dfdaf | 3068 | * queues other than the one used for the lobe_media_test should be |
1da177e4 LT |
3069 | * disabled.!? |
3070 | * | |
3071 | * NOTE 2: If the monitor_state is MS_BEACON_TEST_STATE and the receive_mask | |
3072 | * has any multi-cast or promiscous bits set, the receive_mask needs to | |
3073 | * be changed to clear the multi-cast or promiscous mode bits, the lobe_test | |
3074 | * run, and then the receive mask set back to its original value if the test | |
3075 | * is successful. | |
3076 | */ | |
3077 | static int smctr_lobe_media_test(struct net_device *dev) | |
3078 | { | |
3079 | struct net_local *tp = netdev_priv(dev); | |
3080 | unsigned int i, perror = 0; | |
3081 | unsigned short saved_rcv_mask; | |
3082 | ||
3083 | if(smctr_debug > 10) | |
3084 | printk(KERN_DEBUG "%s: smctr_lobe_media_test\n", dev->name); | |
3085 | ||
3086 | /* Clear receive mask for lobe test. */ | |
3087 | saved_rcv_mask = tp->receive_mask; | |
3088 | tp->receive_mask = 0; | |
3089 | ||
3090 | smctr_chg_rx_mask(dev); | |
3091 | ||
3092 | /* Setup the lobe media test. */ | |
3093 | smctr_lobe_media_test_cmd(dev); | |
3094 | if(smctr_wait_cmd(dev)) | |
582b95c2 | 3095 | goto err; |
1da177e4 LT |
3096 | |
3097 | /* Tx lobe media test frames. */ | |
3098 | for(i = 0; i < 1500; ++i) | |
3099 | { | |
3100 | if(smctr_send_lobe_media_test(dev)) | |
3101 | { | |
3102 | if(perror) | |
582b95c2 | 3103 | goto err; |
1da177e4 LT |
3104 | else |
3105 | { | |
3106 | perror = 1; | |
3107 | if(smctr_lobe_media_test_cmd(dev)) | |
582b95c2 | 3108 | goto err; |
1da177e4 LT |
3109 | } |
3110 | } | |
3111 | } | |
3112 | ||
3113 | if(smctr_send_dat(dev)) | |
3114 | { | |
3115 | if(smctr_send_dat(dev)) | |
582b95c2 | 3116 | goto err; |
1da177e4 LT |
3117 | } |
3118 | ||
3119 | /* Check if any frames received during test. */ | |
3120 | if((tp->rx_fcb_curr[MAC_QUEUE]->frame_status) | |
3121 | || (tp->rx_fcb_curr[NON_MAC_QUEUE]->frame_status)) | |
582b95c2 | 3122 | goto err; |
1da177e4 LT |
3123 | |
3124 | /* Set receive mask to "Promisc" mode. */ | |
3125 | tp->receive_mask = saved_rcv_mask; | |
3126 | ||
3127 | smctr_chg_rx_mask(dev); | |
3128 | ||
582b95c2 JL |
3129 | return 0; |
3130 | err: | |
3131 | smctr_reset_adapter(dev); | |
3132 | tp->status = CLOSED; | |
3133 | return LOBE_MEDIA_TEST_FAILED; | |
1da177e4 LT |
3134 | } |
3135 | ||
3136 | static int smctr_lobe_media_test_cmd(struct net_device *dev) | |
3137 | { | |
3138 | struct net_local *tp = netdev_priv(dev); | |
3139 | int err; | |
3140 | ||
3141 | if(smctr_debug > 10) | |
3142 | printk(KERN_DEBUG "%s: smctr_lobe_media_test_cmd\n", dev->name); | |
3143 | ||
3144 | /* Change to lobe media test state. */ | |
3145 | if(tp->monitor_state != MS_BEACON_TEST_STATE) | |
3146 | { | |
3147 | smctr_lobe_media_test_state(dev); | |
3148 | if(smctr_wait_cmd(dev)) | |
3149 | { | |
3150 | printk(KERN_ERR "Lobe Failed test state\n"); | |
3151 | return (LOBE_MEDIA_TEST_FAILED); | |
3152 | } | |
3153 | } | |
3154 | ||
3155 | err = smctr_setup_single_cmd(dev, ACB_CMD_MCT_TEST, | |
3156 | TRC_LOBE_MEDIA_TEST); | |
3157 | ||
3158 | return (err); | |
3159 | } | |
3160 | ||
3161 | static int smctr_lobe_media_test_state(struct net_device *dev) | |
3162 | { | |
3163 | int err; | |
3164 | ||
3165 | err = smctr_setup_single_cmd(dev, ACB_CMD_CHANGE_JOIN_STATE, | |
3166 | JS_LOBE_TEST_STATE); | |
3167 | ||
3168 | return (err); | |
3169 | } | |
3170 | ||
3171 | static int smctr_make_8025_hdr(struct net_device *dev, | |
3172 | MAC_HEADER *rmf, MAC_HEADER *tmf, __u16 ac_fc) | |
3173 | { | |
3174 | tmf->ac = MSB(ac_fc); /* msb is access control */ | |
3175 | tmf->fc = LSB(ac_fc); /* lsb is frame control */ | |
3176 | ||
3177 | tmf->sa[0] = dev->dev_addr[0]; | |
3178 | tmf->sa[1] = dev->dev_addr[1]; | |
3179 | tmf->sa[2] = dev->dev_addr[2]; | |
3180 | tmf->sa[3] = dev->dev_addr[3]; | |
3181 | tmf->sa[4] = dev->dev_addr[4]; | |
3182 | tmf->sa[5] = dev->dev_addr[5]; | |
3183 | ||
3184 | switch(tmf->vc) | |
3185 | { | |
3186 | /* Send RQ_INIT to RPS */ | |
3187 | case RQ_INIT: | |
3188 | tmf->da[0] = 0xc0; | |
3189 | tmf->da[1] = 0x00; | |
3190 | tmf->da[2] = 0x00; | |
3191 | tmf->da[3] = 0x00; | |
3192 | tmf->da[4] = 0x00; | |
3193 | tmf->da[5] = 0x02; | |
3194 | break; | |
3195 | ||
3196 | /* Send RPT_TX_FORWARD to CRS */ | |
3197 | case RPT_TX_FORWARD: | |
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] = 0x10; | |
3204 | break; | |
3205 | ||
3206 | /* Everything else goes to sender */ | |
3207 | default: | |
3208 | tmf->da[0] = rmf->sa[0]; | |
3209 | tmf->da[1] = rmf->sa[1]; | |
3210 | tmf->da[2] = rmf->sa[2]; | |
3211 | tmf->da[3] = rmf->sa[3]; | |
3212 | tmf->da[4] = rmf->sa[4]; | |
3213 | tmf->da[5] = rmf->sa[5]; | |
3214 | break; | |
3215 | } | |
3216 | ||
3217 | return (0); | |
3218 | } | |
3219 | ||
3220 | static int smctr_make_access_pri(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3221 | { | |
3222 | struct net_local *tp = netdev_priv(dev); | |
3223 | ||
3224 | tsv->svi = AUTHORIZED_ACCESS_PRIORITY; | |
3225 | tsv->svl = S_AUTHORIZED_ACCESS_PRIORITY; | |
3226 | ||
3227 | tsv->svv[0] = MSB(tp->authorized_access_priority); | |
3228 | tsv->svv[1] = LSB(tp->authorized_access_priority); | |
3229 | ||
3230 | return (0); | |
3231 | } | |
3232 | ||
3233 | static int smctr_make_addr_mod(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3234 | { | |
3235 | tsv->svi = ADDRESS_MODIFER; | |
3236 | tsv->svl = S_ADDRESS_MODIFER; | |
3237 | ||
3238 | tsv->svv[0] = 0; | |
3239 | tsv->svv[1] = 0; | |
3240 | ||
3241 | return (0); | |
3242 | } | |
3243 | ||
3244 | static int smctr_make_auth_funct_class(struct net_device *dev, | |
3245 | MAC_SUB_VECTOR *tsv) | |
3246 | { | |
3247 | struct net_local *tp = netdev_priv(dev); | |
3248 | ||
3249 | tsv->svi = AUTHORIZED_FUNCTION_CLASS; | |
3250 | tsv->svl = S_AUTHORIZED_FUNCTION_CLASS; | |
3251 | ||
3252 | tsv->svv[0] = MSB(tp->authorized_function_classes); | |
3253 | tsv->svv[1] = LSB(tp->authorized_function_classes); | |
3254 | ||
3255 | return (0); | |
3256 | } | |
3257 | ||
3258 | static int smctr_make_corr(struct net_device *dev, | |
3259 | MAC_SUB_VECTOR *tsv, __u16 correlator) | |
3260 | { | |
3261 | tsv->svi = CORRELATOR; | |
3262 | tsv->svl = S_CORRELATOR; | |
3263 | ||
3264 | tsv->svv[0] = MSB(correlator); | |
3265 | tsv->svv[1] = LSB(correlator); | |
3266 | ||
3267 | return (0); | |
3268 | } | |
3269 | ||
3270 | static int smctr_make_funct_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3271 | { | |
3272 | struct net_local *tp = netdev_priv(dev); | |
3273 | ||
3274 | smctr_get_functional_address(dev); | |
3275 | ||
3276 | tsv->svi = FUNCTIONAL_ADDRESS; | |
3277 | tsv->svl = S_FUNCTIONAL_ADDRESS; | |
3278 | ||
3279 | tsv->svv[0] = MSB(tp->misc_command_data[0]); | |
3280 | tsv->svv[1] = LSB(tp->misc_command_data[0]); | |
3281 | ||
3282 | tsv->svv[2] = MSB(tp->misc_command_data[1]); | |
3283 | tsv->svv[3] = LSB(tp->misc_command_data[1]); | |
3284 | ||
3285 | return (0); | |
3286 | } | |
3287 | ||
3288 | static int smctr_make_group_addr(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3289 | { | |
3290 | struct net_local *tp = netdev_priv(dev); | |
3291 | ||
3292 | smctr_get_group_address(dev); | |
3293 | ||
3294 | tsv->svi = GROUP_ADDRESS; | |
3295 | tsv->svl = S_GROUP_ADDRESS; | |
3296 | ||
3297 | tsv->svv[0] = MSB(tp->misc_command_data[0]); | |
3298 | tsv->svv[1] = LSB(tp->misc_command_data[0]); | |
3299 | ||
3300 | tsv->svv[2] = MSB(tp->misc_command_data[1]); | |
3301 | tsv->svv[3] = LSB(tp->misc_command_data[1]); | |
3302 | ||
3303 | /* Set Group Address Sub-vector to all zeros if only the | |
3304 | * Group Address/Functional Address Indicator is set. | |
3305 | */ | |
3306 | if(tsv->svv[0] == 0x80 && tsv->svv[1] == 0x00 | |
3307 | && tsv->svv[2] == 0x00 && tsv->svv[3] == 0x00) | |
3308 | tsv->svv[0] = 0x00; | |
3309 | ||
3310 | return (0); | |
3311 | } | |
3312 | ||
3313 | static int smctr_make_phy_drop_num(struct net_device *dev, | |
3314 | MAC_SUB_VECTOR *tsv) | |
3315 | { | |
3316 | struct net_local *tp = netdev_priv(dev); | |
3317 | ||
3318 | smctr_get_physical_drop_number(dev); | |
3319 | ||
3320 | tsv->svi = PHYSICAL_DROP; | |
3321 | tsv->svl = S_PHYSICAL_DROP; | |
3322 | ||
3323 | tsv->svv[0] = MSB(tp->misc_command_data[0]); | |
3324 | tsv->svv[1] = LSB(tp->misc_command_data[0]); | |
3325 | ||
3326 | tsv->svv[2] = MSB(tp->misc_command_data[1]); | |
3327 | tsv->svv[3] = LSB(tp->misc_command_data[1]); | |
3328 | ||
3329 | return (0); | |
3330 | } | |
3331 | ||
3332 | static int smctr_make_product_id(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3333 | { | |
3334 | int i; | |
3335 | ||
3336 | tsv->svi = PRODUCT_INSTANCE_ID; | |
3337 | tsv->svl = S_PRODUCT_INSTANCE_ID; | |
3338 | ||
3339 | for(i = 0; i < 18; i++) | |
3340 | tsv->svv[i] = 0xF0; | |
3341 | ||
3342 | return (0); | |
3343 | } | |
3344 | ||
3345 | static int smctr_make_station_id(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3346 | { | |
3347 | struct net_local *tp = netdev_priv(dev); | |
3348 | ||
3349 | smctr_get_station_id(dev); | |
3350 | ||
3351 | tsv->svi = STATION_IDENTIFER; | |
3352 | tsv->svl = S_STATION_IDENTIFER; | |
3353 | ||
3354 | tsv->svv[0] = MSB(tp->misc_command_data[0]); | |
3355 | tsv->svv[1] = LSB(tp->misc_command_data[0]); | |
3356 | ||
3357 | tsv->svv[2] = MSB(tp->misc_command_data[1]); | |
3358 | tsv->svv[3] = LSB(tp->misc_command_data[1]); | |
3359 | ||
3360 | tsv->svv[4] = MSB(tp->misc_command_data[2]); | |
3361 | tsv->svv[5] = LSB(tp->misc_command_data[2]); | |
3362 | ||
3363 | return (0); | |
3364 | } | |
3365 | ||
3366 | static int smctr_make_ring_station_status(struct net_device *dev, | |
3367 | MAC_SUB_VECTOR * tsv) | |
3368 | { | |
3369 | tsv->svi = RING_STATION_STATUS; | |
3370 | tsv->svl = S_RING_STATION_STATUS; | |
3371 | ||
3372 | tsv->svv[0] = 0; | |
3373 | tsv->svv[1] = 0; | |
3374 | tsv->svv[2] = 0; | |
3375 | tsv->svv[3] = 0; | |
3376 | tsv->svv[4] = 0; | |
3377 | tsv->svv[5] = 0; | |
3378 | ||
3379 | return (0); | |
3380 | } | |
3381 | ||
3382 | static int smctr_make_ring_station_version(struct net_device *dev, | |
3383 | MAC_SUB_VECTOR *tsv) | |
3384 | { | |
3385 | struct net_local *tp = netdev_priv(dev); | |
3386 | ||
3387 | tsv->svi = RING_STATION_VERSION_NUMBER; | |
3388 | tsv->svl = S_RING_STATION_VERSION_NUMBER; | |
3389 | ||
3390 | tsv->svv[0] = 0xe2; /* EBCDIC - S */ | |
3391 | tsv->svv[1] = 0xd4; /* EBCDIC - M */ | |
3392 | tsv->svv[2] = 0xc3; /* EBCDIC - C */ | |
3393 | tsv->svv[3] = 0x40; /* EBCDIC - */ | |
3394 | tsv->svv[4] = 0xe5; /* EBCDIC - V */ | |
3395 | tsv->svv[5] = 0xF0 + (tp->microcode_version >> 4); | |
3396 | tsv->svv[6] = 0xF0 + (tp->microcode_version & 0x0f); | |
3397 | tsv->svv[7] = 0x40; /* EBCDIC - */ | |
3398 | tsv->svv[8] = 0xe7; /* EBCDIC - X */ | |
3399 | ||
3400 | if(tp->extra_info & CHIP_REV_MASK) | |
3401 | tsv->svv[9] = 0xc5; /* EBCDIC - E */ | |
3402 | else | |
3403 | tsv->svv[9] = 0xc4; /* EBCDIC - D */ | |
3404 | ||
3405 | return (0); | |
3406 | } | |
3407 | ||
3408 | static int smctr_make_tx_status_code(struct net_device *dev, | |
3409 | MAC_SUB_VECTOR *tsv, __u16 tx_fstatus) | |
3410 | { | |
3411 | tsv->svi = TRANSMIT_STATUS_CODE; | |
3412 | tsv->svl = S_TRANSMIT_STATUS_CODE; | |
3413 | ||
26c080bf | 3414 | tsv->svv[0] = ((tx_fstatus & 0x0100 >> 6) | IBM_PASS_SOURCE_ADDR); |
1da177e4 LT |
3415 | |
3416 | /* Stripped frame status of Transmitted Frame */ | |
3417 | tsv->svv[1] = tx_fstatus & 0xff; | |
3418 | ||
3419 | return (0); | |
3420 | } | |
3421 | ||
3422 | static int smctr_make_upstream_neighbor_addr(struct net_device *dev, | |
3423 | MAC_SUB_VECTOR *tsv) | |
3424 | { | |
3425 | struct net_local *tp = netdev_priv(dev); | |
3426 | ||
3427 | smctr_get_upstream_neighbor_addr(dev); | |
3428 | ||
3429 | tsv->svi = UPSTREAM_NEIGHBOR_ADDRESS; | |
3430 | tsv->svl = S_UPSTREAM_NEIGHBOR_ADDRESS; | |
3431 | ||
3432 | tsv->svv[0] = MSB(tp->misc_command_data[0]); | |
3433 | tsv->svv[1] = LSB(tp->misc_command_data[0]); | |
3434 | ||
3435 | tsv->svv[2] = MSB(tp->misc_command_data[1]); | |
3436 | tsv->svv[3] = LSB(tp->misc_command_data[1]); | |
3437 | ||
3438 | tsv->svv[4] = MSB(tp->misc_command_data[2]); | |
3439 | tsv->svv[5] = LSB(tp->misc_command_data[2]); | |
3440 | ||
3441 | return (0); | |
3442 | } | |
3443 | ||
3444 | static int smctr_make_wrap_data(struct net_device *dev, MAC_SUB_VECTOR *tsv) | |
3445 | { | |
3446 | tsv->svi = WRAP_DATA; | |
3447 | tsv->svl = S_WRAP_DATA; | |
3448 | ||
3449 | return (0); | |
3450 | } | |
3451 | ||
3452 | /* | |
3453 | * Open/initialize the board. This is called sometime after | |
3454 | * booting when the 'ifconfig' program is run. | |
3455 | * | |
3456 | * This routine should set everything up anew at each open, even | |
3457 | * registers that "should" only need to be set once at boot, so that | |
3458 | * there is non-reboot way to recover if something goes wrong. | |
3459 | */ | |
3460 | static int smctr_open(struct net_device *dev) | |
3461 | { | |
3462 | int err; | |
3463 | ||
3464 | if(smctr_debug > 10) | |
3465 | printk(KERN_DEBUG "%s: smctr_open\n", dev->name); | |
3466 | ||
3467 | err = smctr_init_adapter(dev); | |
3468 | if(err < 0) | |
3469 | return (err); | |
3470 | ||
3471 | return (err); | |
3472 | } | |
3473 | ||
3474 | /* Interrupt driven open of Token card. */ | |
3475 | static int smctr_open_tr(struct net_device *dev) | |
3476 | { | |
3477 | struct net_local *tp = netdev_priv(dev); | |
3478 | unsigned long flags; | |
3479 | int err; | |
3480 | ||
3481 | if(smctr_debug > 10) | |
3482 | printk(KERN_DEBUG "%s: smctr_open_tr\n", dev->name); | |
3483 | ||
3484 | /* Now we can actually open the adapter. */ | |
3485 | if(tp->status == OPEN) | |
3486 | return (0); | |
3487 | if(tp->status != INITIALIZED) | |
3488 | return (-1); | |
3489 | ||
3490 | /* FIXME: it would work a lot better if we masked the irq sources | |
3491 | on the card here, then we could skip the locking and poll nicely */ | |
3492 | spin_lock_irqsave(&tp->lock, flags); | |
3493 | ||
3494 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
3495 | ||
3496 | if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)MAC_QUEUE))) | |
3497 | goto out; | |
3498 | ||
3499 | if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)MAC_QUEUE))) | |
3500 | goto out; | |
3501 | ||
3502 | if((err = smctr_issue_resume_rx_fcb_cmd(dev, (short)NON_MAC_QUEUE))) | |
3503 | goto out; | |
3504 | ||
3505 | if((err = smctr_issue_resume_rx_bdb_cmd(dev, (short)NON_MAC_QUEUE))) | |
3506 | goto out; | |
3507 | ||
3508 | tp->status = CLOSED; | |
3509 | ||
3510 | /* Insert into the Ring or Enter Loopback Mode. */ | |
3511 | if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_1) | |
3512 | { | |
3513 | tp->status = CLOSED; | |
3514 | ||
3515 | if(!(err = smctr_issue_trc_loopback_cmd(dev))) | |
3516 | { | |
3517 | if(!(err = smctr_wait_cmd(dev))) | |
3518 | tp->status = OPEN; | |
3519 | } | |
3520 | ||
3521 | smctr_status_chg(dev); | |
3522 | } | |
3523 | else | |
3524 | { | |
3525 | if((tp->mode_bits & LOOPING_MODE_MASK) == LOOPBACK_MODE_2) | |
3526 | { | |
3527 | tp->status = CLOSED; | |
3528 | if(!(err = smctr_issue_tri_loopback_cmd(dev))) | |
3529 | { | |
3530 | if(!(err = smctr_wait_cmd(dev))) | |
3531 | tp->status = OPEN; | |
3532 | } | |
3533 | ||
3534 | smctr_status_chg(dev); | |
3535 | } | |
3536 | else | |
3537 | { | |
3538 | if((tp->mode_bits & LOOPING_MODE_MASK) | |
3539 | == LOOPBACK_MODE_3) | |
3540 | { | |
3541 | tp->status = CLOSED; | |
3542 | if(!(err = smctr_lobe_media_test_cmd(dev))) | |
3543 | { | |
3544 | if(!(err = smctr_wait_cmd(dev))) | |
3545 | tp->status = OPEN; | |
3546 | } | |
3547 | smctr_status_chg(dev); | |
3548 | } | |
3549 | else | |
3550 | { | |
3551 | if(!(err = smctr_lobe_media_test(dev))) | |
3552 | err = smctr_issue_insert_cmd(dev); | |
3553 | else | |
3554 | { | |
3555 | if(err == LOBE_MEDIA_TEST_FAILED) | |
3556 | printk(KERN_WARNING "%s: Lobe Media Test Failure - Check cable?\n", dev->name); | |
3557 | } | |
3558 | } | |
3559 | } | |
3560 | } | |
3561 | ||
3562 | out: | |
3563 | spin_unlock_irqrestore(&tp->lock, flags); | |
3564 | ||
3565 | return (err); | |
3566 | } | |
3567 | ||
3568 | /* Check for a network adapter of this type, | |
3569 | * and return device structure if one exists. | |
3570 | */ | |
3571 | struct net_device __init *smctr_probe(int unit) | |
3572 | { | |
3573 | struct net_device *dev = alloc_trdev(sizeof(struct net_local)); | |
3574 | static const unsigned ports[] = { | |
3575 | 0x200, 0x220, 0x240, 0x260, 0x280, 0x2A0, 0x2C0, 0x2E0, 0x300, | |
3576 | 0x320, 0x340, 0x360, 0x380, 0 | |
3577 | }; | |
3578 | const unsigned *port; | |
3579 | int err = 0; | |
3580 | ||
3581 | if (!dev) | |
3582 | return ERR_PTR(-ENOMEM); | |
3583 | ||
1da177e4 LT |
3584 | if (unit >= 0) { |
3585 | sprintf(dev->name, "tr%d", unit); | |
3586 | netdev_boot_setup_check(dev); | |
3587 | } | |
3588 | ||
3589 | if (dev->base_addr > 0x1ff) /* Check a single specified location. */ | |
3590 | err = smctr_probe1(dev, dev->base_addr); | |
3591 | else if(dev->base_addr != 0) /* Don't probe at all. */ | |
3592 | err =-ENXIO; | |
3593 | else { | |
3594 | for (port = ports; *port; port++) { | |
3595 | err = smctr_probe1(dev, *port); | |
3596 | if (!err) | |
3597 | break; | |
3598 | } | |
3599 | } | |
3600 | if (err) | |
3601 | goto out; | |
3602 | err = register_netdev(dev); | |
3603 | if (err) | |
3604 | goto out1; | |
3605 | return dev; | |
3606 | out1: | |
3607 | #ifdef CONFIG_MCA_LEGACY | |
3608 | { struct net_local *tp = netdev_priv(dev); | |
3609 | if (tp->slot_num) | |
3610 | mca_mark_as_unused(tp->slot_num); | |
3611 | } | |
3612 | #endif | |
3613 | release_region(dev->base_addr, SMCTR_IO_EXTENT); | |
3614 | free_irq(dev->irq, dev); | |
3615 | out: | |
3616 | free_netdev(dev); | |
3617 | return ERR_PTR(err); | |
3618 | } | |
3619 | ||
f70d5949 SH |
3620 | static const struct net_device_ops smctr_netdev_ops = { |
3621 | .ndo_open = smctr_open, | |
3622 | .ndo_stop = smctr_close, | |
3623 | .ndo_start_xmit = smctr_send_packet, | |
3624 | .ndo_tx_timeout = smctr_timeout, | |
3625 | .ndo_get_stats = smctr_get_stats, | |
3626 | .ndo_set_multicast_list = smctr_set_multicast_list, | |
3627 | }; | |
1da177e4 LT |
3628 | |
3629 | static int __init smctr_probe1(struct net_device *dev, int ioaddr) | |
3630 | { | |
3631 | static unsigned version_printed; | |
3632 | struct net_local *tp = netdev_priv(dev); | |
3633 | int err; | |
3634 | __u32 *ram; | |
3635 | ||
3636 | if(smctr_debug && version_printed++ == 0) | |
3637 | printk(version); | |
3638 | ||
3639 | spin_lock_init(&tp->lock); | |
3640 | dev->base_addr = ioaddr; | |
3641 | ||
3642 | /* Actually detect an adapter now. */ | |
3643 | err = smctr_chk_isa(dev); | |
3644 | if(err < 0) | |
3645 | { | |
3646 | if ((err = smctr_chk_mca(dev)) < 0) { | |
3647 | err = -ENODEV; | |
3648 | goto out; | |
3649 | } | |
3650 | } | |
3651 | ||
3652 | tp = netdev_priv(dev); | |
3653 | dev->mem_start = tp->ram_base; | |
3654 | dev->mem_end = dev->mem_start + 0x10000; | |
3655 | ram = (__u32 *)phys_to_virt(dev->mem_start); | |
3656 | tp->ram_access = *(__u32 *)&ram; | |
3657 | tp->status = NOT_INITIALIZED; | |
3658 | ||
3659 | err = smctr_load_firmware(dev); | |
3660 | if(err != UCODE_PRESENT && err != SUCCESS) | |
3661 | { | |
3662 | printk(KERN_ERR "%s: Firmware load failed (%d)\n", dev->name, err); | |
3663 | err = -EIO; | |
3664 | goto out; | |
3665 | } | |
3666 | ||
3667 | /* Allow user to specify ring speed on module insert. */ | |
3668 | if(ringspeed == 4) | |
3669 | tp->media_type = MEDIA_UTP_4; | |
3670 | else | |
3671 | tp->media_type = MEDIA_UTP_16; | |
3672 | ||
3673 | printk(KERN_INFO "%s: %s %s at Io %#4x, Irq %d, Rom %#4x, Ram %#4x.\n", | |
3674 | dev->name, smctr_name, smctr_model, | |
3675 | (unsigned int)dev->base_addr, | |
3676 | dev->irq, tp->rom_base, tp->ram_base); | |
3677 | ||
f70d5949 | 3678 | dev->netdev_ops = &smctr_netdev_ops; |
1da177e4 | 3679 | dev->watchdog_timeo = HZ; |
1da177e4 LT |
3680 | return (0); |
3681 | ||
3682 | out: | |
3683 | return err; | |
3684 | } | |
3685 | ||
3686 | static int smctr_process_rx_packet(MAC_HEADER *rmf, __u16 size, | |
3687 | struct net_device *dev, __u16 rx_status) | |
3688 | { | |
3689 | struct net_local *tp = netdev_priv(dev); | |
3690 | struct sk_buff *skb; | |
3691 | __u16 rcode, correlator; | |
3692 | int err = 0; | |
3693 | __u8 xframe = 1; | |
1da177e4 LT |
3694 | |
3695 | rmf->vl = SWAP_BYTES(rmf->vl); | |
3696 | if(rx_status & FCB_RX_STATUS_DA_MATCHED) | |
3697 | { | |
3698 | switch(rmf->vc) | |
3699 | { | |
3700 | /* Received MAC Frames Processed by RS. */ | |
3701 | case INIT: | |
3702 | if((rcode = smctr_rcv_init(dev, rmf, &correlator)) == HARDWARE_FAILED) | |
3703 | { | |
3704 | return (rcode); | |
3705 | } | |
3706 | ||
3707 | if((err = smctr_send_rsp(dev, rmf, rcode, | |
3708 | correlator))) | |
3709 | { | |
3710 | return (err); | |
3711 | } | |
3712 | break; | |
3713 | ||
3714 | case CHG_PARM: | |
3715 | if((rcode = smctr_rcv_chg_param(dev, rmf, | |
3716 | &correlator)) ==HARDWARE_FAILED) | |
3717 | { | |
3718 | return (rcode); | |
3719 | } | |
3720 | ||
3721 | if((err = smctr_send_rsp(dev, rmf, rcode, | |
3722 | correlator))) | |
3723 | { | |
3724 | return (err); | |
3725 | } | |
3726 | break; | |
3727 | ||
3728 | case RQ_ADDR: | |
3729 | if((rcode = smctr_rcv_rq_addr_state_attch(dev, | |
3730 | rmf, &correlator)) != POSITIVE_ACK) | |
3731 | { | |
3732 | if(rcode == HARDWARE_FAILED) | |
3733 | return (rcode); | |
3734 | else | |
3735 | return (smctr_send_rsp(dev, rmf, | |
3736 | rcode, correlator)); | |
3737 | } | |
3738 | ||
3739 | if((err = smctr_send_rpt_addr(dev, rmf, | |
3740 | correlator))) | |
3741 | { | |
3742 | return (err); | |
3743 | } | |
3744 | break; | |
3745 | ||
3746 | case RQ_ATTCH: | |
3747 | if((rcode = smctr_rcv_rq_addr_state_attch(dev, | |
3748 | rmf, &correlator)) != POSITIVE_ACK) | |
3749 | { | |
3750 | if(rcode == HARDWARE_FAILED) | |
3751 | return (rcode); | |
3752 | else | |
3753 | return (smctr_send_rsp(dev, rmf, | |
3754 | rcode, | |
3755 | correlator)); | |
3756 | } | |
3757 | ||
3758 | if((err = smctr_send_rpt_attch(dev, rmf, | |
3759 | correlator))) | |
3760 | { | |
3761 | return (err); | |
3762 | } | |
3763 | break; | |
3764 | ||
3765 | case RQ_STATE: | |
3766 | if((rcode = smctr_rcv_rq_addr_state_attch(dev, | |
3767 | rmf, &correlator)) != POSITIVE_ACK) | |
3768 | { | |
3769 | if(rcode == HARDWARE_FAILED) | |
3770 | return (rcode); | |
3771 | else | |
3772 | return (smctr_send_rsp(dev, rmf, | |
3773 | rcode, | |
3774 | correlator)); | |
3775 | } | |
3776 | ||
3777 | if((err = smctr_send_rpt_state(dev, rmf, | |
3778 | correlator))) | |
3779 | { | |
3780 | return (err); | |
3781 | } | |
3782 | break; | |
3783 | ||
a6343afb JG |
3784 | case TX_FORWARD: { |
3785 | __u16 uninitialized_var(tx_fstatus); | |
3786 | ||
1da177e4 LT |
3787 | if((rcode = smctr_rcv_tx_forward(dev, rmf)) |
3788 | != POSITIVE_ACK) | |
3789 | { | |
3790 | if(rcode == HARDWARE_FAILED) | |
3791 | return (rcode); | |
3792 | else | |
3793 | return (smctr_send_rsp(dev, rmf, | |
3794 | rcode, | |
3795 | correlator)); | |
3796 | } | |
3797 | ||
3798 | if((err = smctr_send_tx_forward(dev, rmf, | |
3799 | &tx_fstatus)) == HARDWARE_FAILED) | |
3800 | { | |
3801 | return (err); | |
3802 | } | |
3803 | ||
3804 | if(err == A_FRAME_WAS_FORWARDED) | |
3805 | { | |
3806 | if((err = smctr_send_rpt_tx_forward(dev, | |
3807 | rmf, tx_fstatus)) | |
3808 | == HARDWARE_FAILED) | |
3809 | { | |
3810 | return (err); | |
3811 | } | |
3812 | } | |
3813 | break; | |
a6343afb | 3814 | } |
1da177e4 LT |
3815 | |
3816 | /* Received MAC Frames Processed by CRS/REM/RPS. */ | |
3817 | case RSP: | |
3818 | case RQ_INIT: | |
3819 | case RPT_NEW_MON: | |
3820 | case RPT_SUA_CHG: | |
3821 | case RPT_ACTIVE_ERR: | |
3822 | case RPT_NN_INCMP: | |
3823 | case RPT_ERROR: | |
3824 | case RPT_ATTCH: | |
3825 | case RPT_STATE: | |
3826 | case RPT_ADDR: | |
3827 | break; | |
3828 | ||
3829 | /* Rcvd Att. MAC Frame (if RXATMAC set) or UNKNOWN */ | |
3830 | default: | |
3831 | xframe = 0; | |
3832 | if(!(tp->receive_mask & ACCEPT_ATT_MAC_FRAMES)) | |
3833 | { | |
3834 | rcode = smctr_rcv_unknown(dev, rmf, | |
3835 | &correlator); | |
3836 | if((err = smctr_send_rsp(dev, rmf,rcode, | |
3837 | correlator))) | |
3838 | { | |
3839 | return (err); | |
3840 | } | |
3841 | } | |
3842 | ||
3843 | break; | |
3844 | } | |
3845 | } | |
3846 | else | |
3847 | { | |
3848 | /* 1. DA doesn't match (Promiscuous Mode). | |
3849 | * 2. Parse for Extended MAC Frame Type. | |
3850 | */ | |
3851 | switch(rmf->vc) | |
3852 | { | |
3853 | case RSP: | |
3854 | case INIT: | |
3855 | case RQ_INIT: | |
3856 | case RQ_ADDR: | |
3857 | case RQ_ATTCH: | |
3858 | case RQ_STATE: | |
3859 | case CHG_PARM: | |
3860 | case RPT_ADDR: | |
3861 | case RPT_ERROR: | |
3862 | case RPT_ATTCH: | |
3863 | case RPT_STATE: | |
3864 | case RPT_NEW_MON: | |
3865 | case RPT_SUA_CHG: | |
3866 | case RPT_NN_INCMP: | |
3867 | case RPT_ACTIVE_ERR: | |
3868 | break; | |
3869 | ||
3870 | default: | |
3871 | xframe = 0; | |
3872 | break; | |
3873 | } | |
3874 | } | |
3875 | ||
3876 | /* NOTE: UNKNOWN MAC frames will NOT be passed up unless | |
3877 | * ACCEPT_ATT_MAC_FRAMES is set. | |
3878 | */ | |
3879 | if(((tp->receive_mask & ACCEPT_ATT_MAC_FRAMES) | |
3880 | && (xframe == (__u8)0)) | |
3881 | || ((tp->receive_mask & ACCEPT_EXT_MAC_FRAMES) | |
3882 | && (xframe == (__u8)1))) | |
3883 | { | |
3884 | rmf->vl = SWAP_BYTES(rmf->vl); | |
3885 | ||
3886 | if (!(skb = dev_alloc_skb(size))) | |
3887 | return -ENOMEM; | |
3888 | skb->len = size; | |
3889 | ||
3890 | /* Slide data into a sleek skb. */ | |
3891 | skb_put(skb, skb->len); | |
27d7ff46 | 3892 | skb_copy_to_linear_data(skb, rmf, skb->len); |
1da177e4 LT |
3893 | |
3894 | /* Update Counters */ | |
3895 | tp->MacStat.rx_packets++; | |
3896 | tp->MacStat.rx_bytes += skb->len; | |
3897 | ||
3898 | /* Kick the packet on up. */ | |
1da177e4 LT |
3899 | skb->protocol = tr_type_trans(skb, dev); |
3900 | netif_rx(skb); | |
1da177e4 LT |
3901 | err = 0; |
3902 | } | |
3903 | ||
3904 | return (err); | |
3905 | } | |
3906 | ||
3907 | /* Adapter RAM test. Incremental word ODD boundary data test. */ | |
3908 | static int smctr_ram_memory_test(struct net_device *dev) | |
3909 | { | |
3910 | struct net_local *tp = netdev_priv(dev); | |
3911 | __u16 page, pages_of_ram, start_pattern = 0, word_pattern = 0, | |
3912 | word_read = 0, err_word = 0, err_pattern = 0; | |
3913 | unsigned int err_offset; | |
3914 | __u32 j, pword; | |
3915 | __u8 err = 0; | |
3916 | ||
3917 | if(smctr_debug > 10) | |
3918 | printk(KERN_DEBUG "%s: smctr_ram_memory_test\n", dev->name); | |
3919 | ||
3920 | start_pattern = 0x0001; | |
3921 | pages_of_ram = tp->ram_size / tp->ram_usable; | |
3922 | pword = tp->ram_access; | |
3923 | ||
3924 | /* Incremental word ODD boundary test. */ | |
3925 | for(page = 0; (page < pages_of_ram) && (~err); | |
3926 | page++, start_pattern += 0x8000) | |
3927 | { | |
3928 | smctr_set_page(dev, (__u8 *)(tp->ram_access | |
3929 | + (page * tp->ram_usable * 1024) + 1)); | |
3930 | word_pattern = start_pattern; | |
3931 | ||
3932 | for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1; j += 2) | |
3933 | *(__u16 *)(pword + j) = word_pattern++; | |
3934 | ||
3935 | word_pattern = start_pattern; | |
3936 | ||
3937 | for(j = 1; j < (__u32)(tp->ram_usable * 1024) - 1 | |
3938 | && (~err); j += 2, word_pattern++) | |
3939 | { | |
3940 | word_read = *(__u16 *)(pword + j); | |
3941 | if(word_read != word_pattern) | |
3942 | { | |
3943 | err = (__u8)1; | |
3944 | err_offset = j; | |
3945 | err_word = word_read; | |
3946 | err_pattern = word_pattern; | |
3947 | return (RAM_TEST_FAILED); | |
3948 | } | |
3949 | } | |
3950 | } | |
3951 | ||
3952 | /* Zero out memory. */ | |
3953 | for(page = 0; page < pages_of_ram && (~err); page++) | |
3954 | { | |
3955 | smctr_set_page(dev, (__u8 *)(tp->ram_access | |
3956 | + (page * tp->ram_usable * 1024))); | |
3957 | word_pattern = 0; | |
3958 | ||
3959 | for(j = 0; j < (__u32)tp->ram_usable * 1024; j +=2) | |
3960 | *(__u16 *)(pword + j) = word_pattern; | |
3961 | ||
3962 | for(j =0; j < (__u32)tp->ram_usable * 1024 | |
3963 | && (~err); j += 2) | |
3964 | { | |
3965 | word_read = *(__u16 *)(pword + j); | |
3966 | if(word_read != word_pattern) | |
3967 | { | |
3968 | err = (__u8)1; | |
3969 | err_offset = j; | |
3970 | err_word = word_read; | |
3971 | err_pattern = word_pattern; | |
3972 | return (RAM_TEST_FAILED); | |
3973 | } | |
3974 | } | |
3975 | } | |
3976 | ||
3977 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
3978 | ||
3979 | return (0); | |
3980 | } | |
3981 | ||
3982 | static int smctr_rcv_chg_param(struct net_device *dev, MAC_HEADER *rmf, | |
3983 | __u16 *correlator) | |
3984 | { | |
3985 | MAC_SUB_VECTOR *rsv; | |
3986 | signed short vlen; | |
3987 | __u16 rcode = POSITIVE_ACK; | |
3988 | unsigned int svectors = F_NO_SUB_VECTORS_FOUND; | |
3989 | ||
3990 | /* This Frame can only come from a CRS */ | |
3991 | if((rmf->dc_sc & SC_MASK) != SC_CRS) | |
3992 | return(E_INAPPROPRIATE_SOURCE_CLASS); | |
3993 | ||
3994 | /* Remove MVID Length from total length. */ | |
3995 | vlen = (signed short)rmf->vl - 4; | |
3996 | ||
3997 | /* Point to First SVID */ | |
3998 | rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); | |
3999 | ||
4000 | /* Search for Appropriate SVID's. */ | |
4001 | while((vlen > 0) && (rcode == POSITIVE_ACK)) | |
4002 | { | |
4003 | switch(rsv->svi) | |
4004 | { | |
4005 | case CORRELATOR: | |
4006 | svectors |= F_CORRELATOR; | |
4007 | rcode = smctr_set_corr(dev, rsv, correlator); | |
4008 | break; | |
4009 | ||
4010 | case LOCAL_RING_NUMBER: | |
4011 | svectors |= F_LOCAL_RING_NUMBER; | |
4012 | rcode = smctr_set_local_ring_num(dev, rsv); | |
4013 | break; | |
4014 | ||
4015 | case ASSIGN_PHYSICAL_DROP: | |
4016 | svectors |= F_ASSIGN_PHYSICAL_DROP; | |
4017 | rcode = smctr_set_phy_drop(dev, rsv); | |
4018 | break; | |
4019 | ||
4020 | case ERROR_TIMER_VALUE: | |
4021 | svectors |= F_ERROR_TIMER_VALUE; | |
4022 | rcode = smctr_set_error_timer_value(dev, rsv); | |
4023 | break; | |
4024 | ||
4025 | case AUTHORIZED_FUNCTION_CLASS: | |
4026 | svectors |= F_AUTHORIZED_FUNCTION_CLASS; | |
4027 | rcode = smctr_set_auth_funct_class(dev, rsv); | |
4028 | break; | |
4029 | ||
4030 | case AUTHORIZED_ACCESS_PRIORITY: | |
4031 | svectors |= F_AUTHORIZED_ACCESS_PRIORITY; | |
4032 | rcode = smctr_set_auth_access_pri(dev, rsv); | |
4033 | break; | |
4034 | ||
4035 | default: | |
4036 | rcode = E_SUB_VECTOR_UNKNOWN; | |
4037 | break; | |
4038 | } | |
4039 | ||
4040 | /* Let Sender Know if SUM of SV length's is | |
4041 | * larger then length in MVID length field | |
4042 | */ | |
4043 | if((vlen -= rsv->svl) < 0) | |
4044 | rcode = E_VECTOR_LENGTH_ERROR; | |
4045 | ||
4046 | rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); | |
4047 | } | |
4048 | ||
4049 | if(rcode == POSITIVE_ACK) | |
4050 | { | |
4051 | /* Let Sender Know if MVID length field | |
4052 | * is larger then SUM of SV length's | |
4053 | */ | |
4054 | if(vlen != 0) | |
4055 | rcode = E_VECTOR_LENGTH_ERROR; | |
4056 | else | |
4057 | { | |
4058 | /* Let Sender Know if Expected SVID Missing */ | |
4059 | if((svectors & R_CHG_PARM) ^ R_CHG_PARM) | |
4060 | rcode = E_MISSING_SUB_VECTOR; | |
4061 | } | |
4062 | } | |
4063 | ||
4064 | return (rcode); | |
4065 | } | |
4066 | ||
4067 | static int smctr_rcv_init(struct net_device *dev, MAC_HEADER *rmf, | |
4068 | __u16 *correlator) | |
4069 | { | |
4070 | MAC_SUB_VECTOR *rsv; | |
4071 | signed short vlen; | |
4072 | __u16 rcode = POSITIVE_ACK; | |
4073 | unsigned int svectors = F_NO_SUB_VECTORS_FOUND; | |
4074 | ||
4075 | /* This Frame can only come from a RPS */ | |
4076 | if((rmf->dc_sc & SC_MASK) != SC_RPS) | |
4077 | return (E_INAPPROPRIATE_SOURCE_CLASS); | |
4078 | ||
4079 | /* Remove MVID Length from total length. */ | |
4080 | vlen = (signed short)rmf->vl - 4; | |
4081 | ||
4082 | /* Point to First SVID */ | |
4083 | rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); | |
4084 | ||
4085 | /* Search for Appropriate SVID's */ | |
4086 | while((vlen > 0) && (rcode == POSITIVE_ACK)) | |
4087 | { | |
4088 | switch(rsv->svi) | |
4089 | { | |
4090 | case CORRELATOR: | |
4091 | svectors |= F_CORRELATOR; | |
4092 | rcode = smctr_set_corr(dev, rsv, correlator); | |
4093 | break; | |
4094 | ||
4095 | case LOCAL_RING_NUMBER: | |
4096 | svectors |= F_LOCAL_RING_NUMBER; | |
4097 | rcode = smctr_set_local_ring_num(dev, rsv); | |
4098 | break; | |
4099 | ||
4100 | case ASSIGN_PHYSICAL_DROP: | |
4101 | svectors |= F_ASSIGN_PHYSICAL_DROP; | |
4102 | rcode = smctr_set_phy_drop(dev, rsv); | |
4103 | break; | |
4104 | ||
4105 | case ERROR_TIMER_VALUE: | |
4106 | svectors |= F_ERROR_TIMER_VALUE; | |
4107 | rcode = smctr_set_error_timer_value(dev, rsv); | |
4108 | break; | |
4109 | ||
4110 | default: | |
4111 | rcode = E_SUB_VECTOR_UNKNOWN; | |
4112 | break; | |
4113 | } | |
4114 | ||
4115 | /* Let Sender Know if SUM of SV length's is | |
4116 | * larger then length in MVID length field | |
4117 | */ | |
4118 | if((vlen -= rsv->svl) < 0) | |
4119 | rcode = E_VECTOR_LENGTH_ERROR; | |
4120 | ||
4121 | rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); | |
4122 | } | |
4123 | ||
4124 | if(rcode == POSITIVE_ACK) | |
4125 | { | |
4126 | /* Let Sender Know if MVID length field | |
4127 | * is larger then SUM of SV length's | |
4128 | */ | |
4129 | if(vlen != 0) | |
4130 | rcode = E_VECTOR_LENGTH_ERROR; | |
4131 | else | |
4132 | { | |
4133 | /* Let Sender Know if Expected SV Missing */ | |
4134 | if((svectors & R_INIT) ^ R_INIT) | |
4135 | rcode = E_MISSING_SUB_VECTOR; | |
4136 | } | |
4137 | } | |
4138 | ||
4139 | return (rcode); | |
4140 | } | |
4141 | ||
4142 | static int smctr_rcv_tx_forward(struct net_device *dev, MAC_HEADER *rmf) | |
4143 | { | |
4144 | MAC_SUB_VECTOR *rsv; | |
4145 | signed short vlen; | |
4146 | __u16 rcode = POSITIVE_ACK; | |
4147 | unsigned int svectors = F_NO_SUB_VECTORS_FOUND; | |
4148 | ||
4149 | /* This Frame can only come from a CRS */ | |
4150 | if((rmf->dc_sc & SC_MASK) != SC_CRS) | |
4151 | return (E_INAPPROPRIATE_SOURCE_CLASS); | |
4152 | ||
4153 | /* Remove MVID Length from total length */ | |
4154 | vlen = (signed short)rmf->vl - 4; | |
4155 | ||
4156 | /* Point to First SVID */ | |
4157 | rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); | |
4158 | ||
4159 | /* Search for Appropriate SVID's */ | |
4160 | while((vlen > 0) && (rcode == POSITIVE_ACK)) | |
4161 | { | |
4162 | switch(rsv->svi) | |
4163 | { | |
4164 | case FRAME_FORWARD: | |
4165 | svectors |= F_FRAME_FORWARD; | |
4166 | rcode = smctr_set_frame_forward(dev, rsv, | |
4167 | rmf->dc_sc); | |
4168 | break; | |
4169 | ||
4170 | default: | |
4171 | rcode = E_SUB_VECTOR_UNKNOWN; | |
4172 | break; | |
4173 | } | |
4174 | ||
4175 | /* Let Sender Know if SUM of SV length's is | |
4176 | * larger then length in MVID length field | |
4177 | */ | |
4178 | if((vlen -= rsv->svl) < 0) | |
4179 | rcode = E_VECTOR_LENGTH_ERROR; | |
4180 | ||
4181 | rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); | |
4182 | } | |
4183 | ||
4184 | if(rcode == POSITIVE_ACK) | |
4185 | { | |
4186 | /* Let Sender Know if MVID length field | |
4187 | * is larger then SUM of SV length's | |
4188 | */ | |
4189 | if(vlen != 0) | |
4190 | rcode = E_VECTOR_LENGTH_ERROR; | |
4191 | else | |
4192 | { | |
4193 | /* Let Sender Know if Expected SV Missing */ | |
4194 | if((svectors & R_TX_FORWARD) ^ R_TX_FORWARD) | |
4195 | rcode = E_MISSING_SUB_VECTOR; | |
4196 | } | |
4197 | } | |
4198 | ||
4199 | return (rcode); | |
4200 | } | |
4201 | ||
4202 | static int smctr_rcv_rq_addr_state_attch(struct net_device *dev, | |
4203 | MAC_HEADER *rmf, __u16 *correlator) | |
4204 | { | |
4205 | MAC_SUB_VECTOR *rsv; | |
4206 | signed short vlen; | |
4207 | __u16 rcode = POSITIVE_ACK; | |
4208 | unsigned int svectors = F_NO_SUB_VECTORS_FOUND; | |
4209 | ||
4210 | /* Remove MVID Length from total length */ | |
4211 | vlen = (signed short)rmf->vl - 4; | |
4212 | ||
4213 | /* Point to First SVID */ | |
4214 | rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); | |
4215 | ||
4216 | /* Search for Appropriate SVID's */ | |
4217 | while((vlen > 0) && (rcode == POSITIVE_ACK)) | |
4218 | { | |
4219 | switch(rsv->svi) | |
4220 | { | |
4221 | case CORRELATOR: | |
4222 | svectors |= F_CORRELATOR; | |
4223 | rcode = smctr_set_corr(dev, rsv, correlator); | |
4224 | break; | |
4225 | ||
4226 | default: | |
4227 | rcode = E_SUB_VECTOR_UNKNOWN; | |
4228 | break; | |
4229 | } | |
4230 | ||
4231 | /* Let Sender Know if SUM of SV length's is | |
4232 | * larger then length in MVID length field | |
4233 | */ | |
4234 | if((vlen -= rsv->svl) < 0) | |
4235 | rcode = E_VECTOR_LENGTH_ERROR; | |
4236 | ||
4237 | rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); | |
4238 | } | |
4239 | ||
4240 | if(rcode == POSITIVE_ACK) | |
4241 | { | |
4242 | /* Let Sender Know if MVID length field | |
4243 | * is larger then SUM of SV length's | |
4244 | */ | |
4245 | if(vlen != 0) | |
4246 | rcode = E_VECTOR_LENGTH_ERROR; | |
4247 | else | |
4248 | { | |
4249 | /* Let Sender Know if Expected SVID Missing */ | |
4250 | if((svectors & R_RQ_ATTCH_STATE_ADDR) | |
4251 | ^ R_RQ_ATTCH_STATE_ADDR) | |
4252 | rcode = E_MISSING_SUB_VECTOR; | |
4253 | } | |
4254 | } | |
4255 | ||
4256 | return (rcode); | |
4257 | } | |
4258 | ||
4259 | static int smctr_rcv_unknown(struct net_device *dev, MAC_HEADER *rmf, | |
4260 | __u16 *correlator) | |
4261 | { | |
4262 | MAC_SUB_VECTOR *rsv; | |
4263 | signed short vlen; | |
4264 | ||
4265 | *correlator = 0; | |
4266 | ||
4267 | /* Remove MVID Length from total length */ | |
4268 | vlen = (signed short)rmf->vl - 4; | |
4269 | ||
4270 | /* Point to First SVID */ | |
4271 | rsv = (MAC_SUB_VECTOR *)((__u32)rmf + sizeof(MAC_HEADER)); | |
4272 | ||
4273 | /* Search for CORRELATOR for RSP to UNKNOWN */ | |
4274 | while((vlen > 0) && (*correlator == 0)) | |
4275 | { | |
4276 | switch(rsv->svi) | |
4277 | { | |
4278 | case CORRELATOR: | |
4279 | smctr_set_corr(dev, rsv, correlator); | |
4280 | break; | |
4281 | ||
4282 | default: | |
4283 | break; | |
4284 | } | |
4285 | ||
4286 | vlen -= rsv->svl; | |
4287 | rsv = (MAC_SUB_VECTOR *)((__u32)rsv + rsv->svl); | |
4288 | } | |
4289 | ||
4290 | return (E_UNRECOGNIZED_VECTOR_ID); | |
4291 | } | |
4292 | ||
4293 | /* | |
4294 | * Reset the 825 NIC and exit w: | |
4295 | * 1. The NIC reset cleared (non-reset state), halted and un-initialized. | |
4296 | * 2. TINT masked. | |
4297 | * 3. CBUSY masked. | |
4298 | * 4. TINT clear. | |
4299 | * 5. CBUSY clear. | |
4300 | */ | |
4301 | static int smctr_reset_adapter(struct net_device *dev) | |
4302 | { | |
4303 | struct net_local *tp = netdev_priv(dev); | |
4304 | int ioaddr = dev->base_addr; | |
4305 | ||
4306 | /* Reseting the NIC will put it in a halted and un-initialized state. */ smctr_set_trc_reset(ioaddr); | |
4307 | mdelay(200); /* ~2 ms */ | |
4308 | ||
4309 | smctr_clear_trc_reset(ioaddr); | |
4310 | mdelay(200); /* ~2 ms */ | |
4311 | ||
4312 | /* Remove any latched interrupts that occurred prior to reseting the | |
4313 | * adapter or possibily caused by line glitches due to the reset. | |
4314 | */ | |
4315 | outb(tp->trc_mask | CSR_CLRTINT | CSR_CLRCBUSY, ioaddr + CSR); | |
4316 | ||
4317 | return (0); | |
4318 | } | |
4319 | ||
4320 | static int smctr_restart_tx_chain(struct net_device *dev, short queue) | |
4321 | { | |
4322 | struct net_local *tp = netdev_priv(dev); | |
4323 | int err = 0; | |
4324 | ||
4325 | if(smctr_debug > 10) | |
4326 | printk(KERN_DEBUG "%s: smctr_restart_tx_chain\n", dev->name); | |
4327 | ||
4328 | if(tp->num_tx_fcbs_used[queue] != 0 | |
4329 | && tp->tx_queue_status[queue] == NOT_TRANSMITING) | |
4330 | { | |
4331 | tp->tx_queue_status[queue] = TRANSMITING; | |
4332 | err = smctr_issue_resume_tx_fcb_cmd(dev, queue); | |
4333 | } | |
4334 | ||
4335 | return (err); | |
4336 | } | |
4337 | ||
4338 | static int smctr_ring_status_chg(struct net_device *dev) | |
4339 | { | |
4340 | struct net_local *tp = netdev_priv(dev); | |
4341 | ||
4342 | if(smctr_debug > 10) | |
4343 | printk(KERN_DEBUG "%s: smctr_ring_status_chg\n", dev->name); | |
4344 | ||
4345 | /* Check for ring_status_flag: whenever MONITOR_STATE_BIT | |
4346 | * Bit is set, check value of monitor_state, only then we | |
4347 | * enable and start transmit/receive timeout (if and only | |
4348 | * if it is MS_ACTIVE_MONITOR_STATE or MS_STANDBY_MONITOR_STATE) | |
4349 | */ | |
4350 | if(tp->ring_status_flags == MONITOR_STATE_CHANGED) | |
4351 | { | |
4352 | if((tp->monitor_state == MS_ACTIVE_MONITOR_STATE) | |
4353 | || (tp->monitor_state == MS_STANDBY_MONITOR_STATE)) | |
4354 | { | |
4355 | tp->monitor_state_ready = 1; | |
4356 | } | |
4357 | else | |
4358 | { | |
4359 | /* if adapter is NOT in either active monitor | |
4360 | * or standby monitor state => Disable | |
4361 | * transmit/receive timeout. | |
4362 | */ | |
4363 | tp->monitor_state_ready = 0; | |
4364 | ||
4365 | /* Ring speed problem, switching to auto mode. */ | |
4366 | if(tp->monitor_state == MS_MONITOR_FSM_INACTIVE | |
4367 | && !tp->cleanup) | |
4368 | { | |
4369 | printk(KERN_INFO "%s: Incorrect ring speed switching.\n", | |
4370 | dev->name); | |
4371 | smctr_set_ring_speed(dev); | |
4372 | } | |
4373 | } | |
4374 | } | |
4375 | ||
4376 | if(!(tp->ring_status_flags & RING_STATUS_CHANGED)) | |
4377 | return (0); | |
4378 | ||
4379 | switch(tp->ring_status) | |
4380 | { | |
4381 | case RING_RECOVERY: | |
4382 | printk(KERN_INFO "%s: Ring Recovery\n", dev->name); | |
1da177e4 LT |
4383 | break; |
4384 | ||
4385 | case SINGLE_STATION: | |
4386 | printk(KERN_INFO "%s: Single Statinon\n", dev->name); | |
1da177e4 LT |
4387 | break; |
4388 | ||
4389 | case COUNTER_OVERFLOW: | |
4390 | printk(KERN_INFO "%s: Counter Overflow\n", dev->name); | |
1da177e4 LT |
4391 | break; |
4392 | ||
4393 | case REMOVE_RECEIVED: | |
4394 | printk(KERN_INFO "%s: Remove Received\n", dev->name); | |
1da177e4 LT |
4395 | break; |
4396 | ||
4397 | case AUTO_REMOVAL_ERROR: | |
4398 | printk(KERN_INFO "%s: Auto Remove Error\n", dev->name); | |
1da177e4 LT |
4399 | break; |
4400 | ||
4401 | case LOBE_WIRE_FAULT: | |
4402 | printk(KERN_INFO "%s: Lobe Wire Fault\n", dev->name); | |
1da177e4 LT |
4403 | break; |
4404 | ||
4405 | case TRANSMIT_BEACON: | |
4406 | printk(KERN_INFO "%s: Transmit Beacon\n", dev->name); | |
1da177e4 LT |
4407 | break; |
4408 | ||
4409 | case SOFT_ERROR: | |
4410 | printk(KERN_INFO "%s: Soft Error\n", dev->name); | |
1da177e4 LT |
4411 | break; |
4412 | ||
4413 | case HARD_ERROR: | |
4414 | printk(KERN_INFO "%s: Hard Error\n", dev->name); | |
1da177e4 LT |
4415 | break; |
4416 | ||
4417 | case SIGNAL_LOSS: | |
4418 | printk(KERN_INFO "%s: Signal Loss\n", dev->name); | |
1da177e4 LT |
4419 | break; |
4420 | ||
4421 | default: | |
4422 | printk(KERN_INFO "%s: Unknown ring status change\n", | |
4423 | dev->name); | |
4424 | break; | |
4425 | } | |
4426 | ||
4427 | return (0); | |
4428 | } | |
4429 | ||
4430 | static int smctr_rx_frame(struct net_device *dev) | |
4431 | { | |
4432 | struct net_local *tp = netdev_priv(dev); | |
4433 | __u16 queue, status, rx_size, err = 0; | |
4434 | __u8 *pbuff; | |
4435 | ||
4436 | if(smctr_debug > 10) | |
4437 | printk(KERN_DEBUG "%s: smctr_rx_frame\n", dev->name); | |
4438 | ||
4439 | queue = tp->receive_queue_number; | |
4440 | ||
4441 | while((status = tp->rx_fcb_curr[queue]->frame_status) != SUCCESS) | |
4442 | { | |
4443 | err = HARDWARE_FAILED; | |
4444 | ||
4445 | if(((status & 0x007f) == 0) | |
4446 | || ((tp->receive_mask & ACCEPT_ERR_PACKETS) != 0)) | |
4447 | { | |
4448 | /* frame length less the CRC (4 bytes) + FS (1 byte) */ | |
4449 | rx_size = tp->rx_fcb_curr[queue]->frame_length - 5; | |
4450 | ||
4451 | pbuff = smctr_get_rx_pointer(dev, queue); | |
4452 | ||
4453 | smctr_set_page(dev, pbuff); | |
4454 | smctr_disable_16bit(dev); | |
4455 | ||
4456 | /* pbuff points to addr within one page */ | |
4457 | pbuff = (__u8 *)PAGE_POINTER(pbuff); | |
4458 | ||
4459 | if(queue == NON_MAC_QUEUE) | |
4460 | { | |
4461 | struct sk_buff *skb; | |
4462 | ||
4463 | skb = dev_alloc_skb(rx_size); | |
4464 | if (skb) { | |
4465 | skb_put(skb, rx_size); | |
4466 | ||
27d7ff46 | 4467 | skb_copy_to_linear_data(skb, pbuff, rx_size); |
1da177e4 LT |
4468 | |
4469 | /* Update Counters */ | |
4470 | tp->MacStat.rx_packets++; | |
4471 | tp->MacStat.rx_bytes += skb->len; | |
4472 | ||
4473 | /* Kick the packet on up. */ | |
1da177e4 LT |
4474 | skb->protocol = tr_type_trans(skb, dev); |
4475 | netif_rx(skb); | |
1da177e4 LT |
4476 | } else { |
4477 | } | |
4478 | } | |
4479 | else | |
4480 | smctr_process_rx_packet((MAC_HEADER *)pbuff, | |
4481 | rx_size, dev, status); | |
4482 | } | |
4483 | ||
4484 | smctr_enable_16bit(dev); | |
4485 | smctr_set_page(dev, (__u8 *)tp->ram_access); | |
4486 | smctr_update_rx_chain(dev, queue); | |
4487 | ||
4488 | if(err != SUCCESS) | |
4489 | break; | |
4490 | } | |
4491 | ||
4492 | return (err); | |
4493 | } | |
4494 | ||
4495 | static int smctr_send_dat(struct net_device *dev) | |
4496 | { | |
4497 | struct net_local *tp = netdev_priv(dev); | |
4498 | unsigned int i, err; | |
4499 | MAC_HEADER *tmf; | |
4500 | FCBlock *fcb; | |
4501 | ||
4502 | if(smctr_debug > 10) | |
4503 | printk(KERN_DEBUG "%s: smctr_send_dat\n", dev->name); | |
4504 | ||
4505 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, | |
4506 | sizeof(MAC_HEADER))) == (FCBlock *)(-1L)) | |
4507 | { | |
4508 | return (OUT_OF_RESOURCES); | |
4509 | } | |
4510 | ||
4511 | /* Initialize DAT Data Fields. */ | |
4512 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4513 | tmf->ac = MSB(AC_FC_DAT); | |
4514 | tmf->fc = LSB(AC_FC_DAT); | |
4515 | ||
4516 | for(i = 0; i < 6; i++) | |
4517 | { | |
4518 | tmf->sa[i] = dev->dev_addr[i]; | |
4519 | tmf->da[i] = dev->dev_addr[i]; | |
4520 | ||
4521 | } | |
4522 | ||
4523 | tmf->vc = DAT; | |
4524 | tmf->dc_sc = DC_RS | SC_RS; | |
4525 | tmf->vl = 4; | |
4526 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4527 | ||
4528 | /* Start Transmit. */ | |
4529 | if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) | |
4530 | return (err); | |
4531 | ||
4532 | /* Wait for Transmit to Complete */ | |
4533 | for(i = 0; i < 10000; i++) | |
4534 | { | |
4535 | if(fcb->frame_status & FCB_COMMAND_DONE) | |
4536 | break; | |
4537 | mdelay(1); | |
4538 | } | |
4539 | ||
4540 | /* Check if GOOD frame Tx'ed. */ | |
4541 | if(!(fcb->frame_status & FCB_COMMAND_DONE) | |
4542 | || fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS)) | |
4543 | { | |
4544 | return (INITIALIZE_FAILED); | |
4545 | } | |
4546 | ||
4547 | /* De-allocated Tx FCB and Frame Buffer | |
4548 | * The FCB must be de-allocated manually if executing with | |
4549 | * interrupts disabled, other wise the ISR (LM_Service_Events) | |
4550 | * will de-allocate it when the interrupt occurs. | |
4551 | */ | |
4552 | tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; | |
4553 | smctr_update_tx_chain(dev, fcb, MAC_QUEUE); | |
4554 | ||
4555 | return (0); | |
4556 | } | |
4557 | ||
4558 | static void smctr_timeout(struct net_device *dev) | |
4559 | { | |
4560 | /* | |
4561 | * If we get here, some higher level has decided we are broken. | |
4562 | * There should really be a "kick me" function call instead. | |
4563 | * | |
4564 | * Resetting the token ring adapter takes a long time so just | |
4565 | * fake transmission time and go on trying. Our own timeout | |
4566 | * routine is in sktr_timer_chk() | |
4567 | */ | |
4568 | dev->trans_start = jiffies; | |
4569 | netif_wake_queue(dev); | |
4570 | } | |
4571 | ||
4572 | /* | |
4573 | * Gets skb from system, queues it and checks if it can be sent | |
4574 | */ | |
61a84108 SH |
4575 | static netdev_tx_t smctr_send_packet(struct sk_buff *skb, |
4576 | struct net_device *dev) | |
1da177e4 LT |
4577 | { |
4578 | struct net_local *tp = netdev_priv(dev); | |
4579 | ||
4580 | if(smctr_debug > 10) | |
4581 | printk(KERN_DEBUG "%s: smctr_send_packet\n", dev->name); | |
4582 | ||
4583 | /* | |
4584 | * Block a transmit overlap | |
4585 | */ | |
4586 | ||
4587 | netif_stop_queue(dev); | |
4588 | ||
4589 | if(tp->QueueSkb == 0) | |
5b548140 | 4590 | return NETDEV_TX_BUSY; /* Return with tbusy set: queue full */ |
1da177e4 LT |
4591 | |
4592 | tp->QueueSkb--; | |
4593 | skb_queue_tail(&tp->SendSkbQueue, skb); | |
4594 | smctr_hardware_send_packet(dev, tp); | |
4595 | if(tp->QueueSkb > 0) | |
4596 | netif_wake_queue(dev); | |
4597 | ||
ec634fe3 | 4598 | return NETDEV_TX_OK; |
1da177e4 LT |
4599 | } |
4600 | ||
4601 | static int smctr_send_lobe_media_test(struct net_device *dev) | |
4602 | { | |
4603 | struct net_local *tp = netdev_priv(dev); | |
4604 | MAC_SUB_VECTOR *tsv; | |
4605 | MAC_HEADER *tmf; | |
4606 | FCBlock *fcb; | |
4607 | __u32 i; | |
4608 | int err; | |
4609 | ||
4610 | if(smctr_debug > 15) | |
4611 | printk(KERN_DEBUG "%s: smctr_send_lobe_media_test\n", dev->name); | |
4612 | ||
4613 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(struct trh_hdr) | |
4614 | + S_WRAP_DATA + S_WRAP_DATA)) == (FCBlock *)(-1L)) | |
4615 | { | |
4616 | return (OUT_OF_RESOURCES); | |
4617 | } | |
4618 | ||
4619 | /* Initialize DAT Data Fields. */ | |
4620 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4621 | tmf->ac = MSB(AC_FC_LOBE_MEDIA_TEST); | |
4622 | tmf->fc = LSB(AC_FC_LOBE_MEDIA_TEST); | |
4623 | ||
4624 | for(i = 0; i < 6; i++) | |
4625 | { | |
4626 | tmf->da[i] = 0; | |
4627 | tmf->sa[i] = dev->dev_addr[i]; | |
4628 | } | |
4629 | ||
4630 | tmf->vc = LOBE_MEDIA_TEST; | |
4631 | tmf->dc_sc = DC_RS | SC_RS; | |
4632 | tmf->vl = 4; | |
4633 | ||
4634 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4635 | smctr_make_wrap_data(dev, tsv); | |
4636 | tmf->vl += tsv->svl; | |
4637 | ||
4638 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4639 | smctr_make_wrap_data(dev, tsv); | |
4640 | tmf->vl += tsv->svl; | |
4641 | ||
4642 | /* Start Transmit. */ | |
4643 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4644 | if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) | |
4645 | return (err); | |
4646 | ||
4647 | /* Wait for Transmit to Complete. (10 ms). */ | |
4648 | for(i=0; i < 10000; i++) | |
4649 | { | |
4650 | if(fcb->frame_status & FCB_COMMAND_DONE) | |
4651 | break; | |
4652 | mdelay(1); | |
4653 | } | |
4654 | ||
4655 | /* Check if GOOD frame Tx'ed */ | |
4656 | if(!(fcb->frame_status & FCB_COMMAND_DONE) | |
4657 | || fcb->frame_status & (FCB_TX_STATUS_E | FCB_TX_AC_BITS)) | |
4658 | { | |
4659 | return (LOBE_MEDIA_TEST_FAILED); | |
4660 | } | |
4661 | ||
4662 | /* De-allocated Tx FCB and Frame Buffer | |
4663 | * The FCB must be de-allocated manually if executing with | |
4664 | * interrupts disabled, other wise the ISR (LM_Service_Events) | |
4665 | * will de-allocate it when the interrupt occurs. | |
4666 | */ | |
4667 | tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; | |
4668 | smctr_update_tx_chain(dev, fcb, MAC_QUEUE); | |
4669 | ||
4670 | return (0); | |
4671 | } | |
4672 | ||
4673 | static int smctr_send_rpt_addr(struct net_device *dev, MAC_HEADER *rmf, | |
4674 | __u16 correlator) | |
4675 | { | |
4676 | MAC_HEADER *tmf; | |
4677 | MAC_SUB_VECTOR *tsv; | |
4678 | FCBlock *fcb; | |
4679 | ||
4680 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) | |
4681 | + S_CORRELATOR + S_PHYSICAL_DROP + S_UPSTREAM_NEIGHBOR_ADDRESS | |
4682 | + S_ADDRESS_MODIFER + S_GROUP_ADDRESS + S_FUNCTIONAL_ADDRESS)) | |
4683 | == (FCBlock *)(-1L)) | |
4684 | { | |
4685 | return (0); | |
4686 | } | |
4687 | ||
4688 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4689 | tmf->vc = RPT_ADDR; | |
4690 | tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; | |
4691 | tmf->vl = 4; | |
4692 | ||
4693 | smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_ADDR); | |
4694 | ||
4695 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4696 | smctr_make_corr(dev, tsv, correlator); | |
4697 | ||
4698 | tmf->vl += tsv->svl; | |
4699 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4700 | smctr_make_phy_drop_num(dev, tsv); | |
4701 | ||
4702 | tmf->vl += tsv->svl; | |
4703 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4704 | smctr_make_upstream_neighbor_addr(dev, tsv); | |
4705 | ||
4706 | tmf->vl += tsv->svl; | |
4707 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4708 | smctr_make_addr_mod(dev, tsv); | |
4709 | ||
4710 | tmf->vl += tsv->svl; | |
4711 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4712 | smctr_make_group_addr(dev, tsv); | |
4713 | ||
4714 | tmf->vl += tsv->svl; | |
4715 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4716 | smctr_make_funct_addr(dev, tsv); | |
4717 | ||
4718 | tmf->vl += tsv->svl; | |
4719 | ||
4720 | /* Subtract out MVID and MVL which is | |
4721 | * include in both vl and MAC_HEADER | |
4722 | */ | |
4723 | /* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4724 | fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4725 | */ | |
4726 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4727 | ||
4728 | return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); | |
4729 | } | |
4730 | ||
4731 | static int smctr_send_rpt_attch(struct net_device *dev, MAC_HEADER *rmf, | |
4732 | __u16 correlator) | |
4733 | { | |
4734 | MAC_HEADER *tmf; | |
4735 | MAC_SUB_VECTOR *tsv; | |
4736 | FCBlock *fcb; | |
4737 | ||
4738 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) | |
4739 | + S_CORRELATOR + S_PRODUCT_INSTANCE_ID + S_FUNCTIONAL_ADDRESS | |
4740 | + S_AUTHORIZED_FUNCTION_CLASS + S_AUTHORIZED_ACCESS_PRIORITY)) | |
4741 | == (FCBlock *)(-1L)) | |
4742 | { | |
4743 | return (0); | |
4744 | } | |
4745 | ||
4746 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4747 | tmf->vc = RPT_ATTCH; | |
4748 | tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; | |
4749 | tmf->vl = 4; | |
4750 | ||
4751 | smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_ATTCH); | |
4752 | ||
4753 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4754 | smctr_make_corr(dev, tsv, correlator); | |
4755 | ||
4756 | tmf->vl += tsv->svl; | |
4757 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4758 | smctr_make_product_id(dev, tsv); | |
4759 | ||
4760 | tmf->vl += tsv->svl; | |
4761 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4762 | smctr_make_funct_addr(dev, tsv); | |
4763 | ||
4764 | tmf->vl += tsv->svl; | |
4765 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4766 | smctr_make_auth_funct_class(dev, tsv); | |
4767 | ||
4768 | tmf->vl += tsv->svl; | |
4769 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4770 | smctr_make_access_pri(dev, tsv); | |
4771 | ||
4772 | tmf->vl += tsv->svl; | |
4773 | ||
4774 | /* Subtract out MVID and MVL which is | |
4775 | * include in both vl and MAC_HEADER | |
4776 | */ | |
4777 | /* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4778 | fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4779 | */ | |
4780 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4781 | ||
4782 | return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); | |
4783 | } | |
4784 | ||
4785 | static int smctr_send_rpt_state(struct net_device *dev, MAC_HEADER *rmf, | |
4786 | __u16 correlator) | |
4787 | { | |
4788 | MAC_HEADER *tmf; | |
4789 | MAC_SUB_VECTOR *tsv; | |
4790 | FCBlock *fcb; | |
4791 | ||
4792 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) | |
4793 | + S_CORRELATOR + S_RING_STATION_VERSION_NUMBER | |
4794 | + S_RING_STATION_STATUS + S_STATION_IDENTIFER)) | |
4795 | == (FCBlock *)(-1L)) | |
4796 | { | |
4797 | return (0); | |
4798 | } | |
4799 | ||
4800 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4801 | tmf->vc = RPT_STATE; | |
4802 | tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; | |
4803 | tmf->vl = 4; | |
4804 | ||
4805 | smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_STATE); | |
4806 | ||
4807 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4808 | smctr_make_corr(dev, tsv, correlator); | |
4809 | ||
4810 | tmf->vl += tsv->svl; | |
4811 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4812 | smctr_make_ring_station_version(dev, tsv); | |
4813 | ||
4814 | tmf->vl += tsv->svl; | |
4815 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4816 | smctr_make_ring_station_status(dev, tsv); | |
4817 | ||
4818 | tmf->vl += tsv->svl; | |
4819 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4820 | smctr_make_station_id(dev, tsv); | |
4821 | ||
4822 | tmf->vl += tsv->svl; | |
4823 | ||
4824 | /* Subtract out MVID and MVL which is | |
4825 | * include in both vl and MAC_HEADER | |
4826 | */ | |
4827 | /* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4828 | fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4829 | */ | |
4830 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4831 | ||
4832 | return (smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); | |
4833 | } | |
4834 | ||
4835 | static int smctr_send_rpt_tx_forward(struct net_device *dev, | |
4836 | MAC_HEADER *rmf, __u16 tx_fstatus) | |
4837 | { | |
4838 | MAC_HEADER *tmf; | |
4839 | MAC_SUB_VECTOR *tsv; | |
4840 | FCBlock *fcb; | |
4841 | ||
4842 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) | |
4843 | + S_TRANSMIT_STATUS_CODE)) == (FCBlock *)(-1L)) | |
4844 | { | |
4845 | return (0); | |
4846 | } | |
4847 | ||
4848 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4849 | tmf->vc = RPT_TX_FORWARD; | |
4850 | tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; | |
4851 | tmf->vl = 4; | |
4852 | ||
4853 | smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RPT_TX_FORWARD); | |
4854 | ||
4855 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4856 | smctr_make_tx_status_code(dev, tsv, tx_fstatus); | |
4857 | ||
4858 | tmf->vl += tsv->svl; | |
4859 | ||
4860 | /* Subtract out MVID and MVL which is | |
4861 | * include in both vl and MAC_HEADER | |
4862 | */ | |
4863 | /* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4864 | fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4865 | */ | |
4866 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4867 | ||
4868 | return(smctr_trc_send_packet(dev, fcb, MAC_QUEUE)); | |
4869 | } | |
4870 | ||
4871 | static int smctr_send_rsp(struct net_device *dev, MAC_HEADER *rmf, | |
4872 | __u16 rcode, __u16 correlator) | |
4873 | { | |
4874 | MAC_HEADER *tmf; | |
4875 | MAC_SUB_VECTOR *tsv; | |
4876 | FCBlock *fcb; | |
4877 | ||
4878 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) | |
4879 | + S_CORRELATOR + S_RESPONSE_CODE)) == (FCBlock *)(-1L)) | |
4880 | { | |
4881 | return (0); | |
4882 | } | |
4883 | ||
4884 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4885 | tmf->vc = RSP; | |
4886 | tmf->dc_sc = (rmf->dc_sc & SC_MASK) << 4; | |
4887 | tmf->vl = 4; | |
4888 | ||
4889 | smctr_make_8025_hdr(dev, rmf, tmf, AC_FC_RSP); | |
4890 | ||
4891 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4892 | smctr_make_corr(dev, tsv, correlator); | |
4893 | ||
4894 | return (0); | |
4895 | } | |
4896 | ||
4897 | static int smctr_send_rq_init(struct net_device *dev) | |
4898 | { | |
4899 | struct net_local *tp = netdev_priv(dev); | |
4900 | MAC_HEADER *tmf; | |
4901 | MAC_SUB_VECTOR *tsv; | |
4902 | FCBlock *fcb; | |
4903 | unsigned int i, count = 0; | |
4904 | __u16 fstatus; | |
4905 | int err; | |
4906 | ||
4907 | do { | |
4908 | if(((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, sizeof(MAC_HEADER) | |
4909 | + S_PRODUCT_INSTANCE_ID + S_UPSTREAM_NEIGHBOR_ADDRESS | |
4910 | + S_RING_STATION_VERSION_NUMBER + S_ADDRESS_MODIFER)) | |
4911 | == (FCBlock *)(-1L))) | |
4912 | { | |
4913 | return (0); | |
4914 | } | |
4915 | ||
4916 | tmf = (MAC_HEADER *)fcb->bdb_ptr->data_block_ptr; | |
4917 | tmf->vc = RQ_INIT; | |
4918 | tmf->dc_sc = DC_RPS | SC_RS; | |
4919 | tmf->vl = 4; | |
4920 | ||
4921 | smctr_make_8025_hdr(dev, NULL, tmf, AC_FC_RQ_INIT); | |
4922 | ||
4923 | tsv = (MAC_SUB_VECTOR *)((__u32)tmf + sizeof(MAC_HEADER)); | |
4924 | smctr_make_product_id(dev, tsv); | |
4925 | ||
4926 | tmf->vl += tsv->svl; | |
4927 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4928 | smctr_make_upstream_neighbor_addr(dev, tsv); | |
4929 | ||
4930 | tmf->vl += tsv->svl; | |
4931 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4932 | smctr_make_ring_station_version(dev, tsv); | |
4933 | ||
4934 | tmf->vl += tsv->svl; | |
4935 | tsv = (MAC_SUB_VECTOR *)((__u32)tsv + tsv->svl); | |
4936 | smctr_make_addr_mod(dev, tsv); | |
4937 | ||
4938 | tmf->vl += tsv->svl; | |
4939 | ||
4940 | /* Subtract out MVID and MVL which is | |
4941 | * include in both vl and MAC_HEADER | |
4942 | */ | |
4943 | /* fcb->frame_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4944 | fcb->bdb_ptr->buffer_length = tmf->vl + sizeof(MAC_HEADER) - 4; | |
4945 | */ | |
4946 | tmf->vl = SWAP_BYTES(tmf->vl); | |
4947 | ||
4948 | if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) | |
4949 | return (err); | |
4950 | ||
4951 | /* Wait for Transmit to Complete */ | |
4952 | for(i = 0; i < 10000; i++) | |
4953 | { | |
4954 | if(fcb->frame_status & FCB_COMMAND_DONE) | |
4955 | break; | |
4956 | mdelay(1); | |
4957 | } | |
4958 | ||
4959 | /* Check if GOOD frame Tx'ed */ | |
4960 | fstatus = fcb->frame_status; | |
4961 | ||
4962 | if(!(fstatus & FCB_COMMAND_DONE)) | |
4963 | return (HARDWARE_FAILED); | |
4964 | ||
4965 | if(!(fstatus & FCB_TX_STATUS_E)) | |
4966 | count++; | |
4967 | ||
4968 | /* De-allocated Tx FCB and Frame Buffer | |
4969 | * The FCB must be de-allocated manually if executing with | |
4970 | * interrupts disabled, other wise the ISR (LM_Service_Events) | |
4971 | * will de-allocate it when the interrupt occurs. | |
4972 | */ | |
4973 | tp->tx_queue_status[MAC_QUEUE] = NOT_TRANSMITING; | |
4974 | smctr_update_tx_chain(dev, fcb, MAC_QUEUE); | |
4975 | } while(count < 4 && ((fstatus & FCB_TX_AC_BITS) ^ FCB_TX_AC_BITS)); | |
4976 | ||
4977 | return (smctr_join_complete_state(dev)); | |
4978 | } | |
4979 | ||
4980 | static int smctr_send_tx_forward(struct net_device *dev, MAC_HEADER *rmf, | |
4981 | __u16 *tx_fstatus) | |
4982 | { | |
4983 | struct net_local *tp = netdev_priv(dev); | |
4984 | FCBlock *fcb; | |
4985 | unsigned int i; | |
4986 | int err; | |
4987 | ||
4988 | /* Check if this is the END POINT of the Transmit Forward Chain. */ | |
4989 | if(rmf->vl <= 18) | |
4990 | return (0); | |
4991 | ||
4992 | /* Allocate Transmit FCB only by requesting 0 bytes | |
4993 | * of data buffer. | |
4994 | */ | |
4995 | if((fcb = smctr_get_tx_fcb(dev, MAC_QUEUE, 0)) == (FCBlock *)(-1L)) | |
4996 | return (0); | |
4997 | ||
4998 | /* Set pointer to Transmit Frame Buffer to the data | |
4999 | * portion of the received TX Forward frame, making | |
5000 | * sure to skip over the Vector Code (vc) and Vector | |
5001 | * length (vl). | |
5002 | */ | |
5003 | fcb->bdb_ptr->trc_data_block_ptr = TRC_POINTER((__u32)rmf | |
5004 | + sizeof(MAC_HEADER) + 2); | |
5005 | fcb->bdb_ptr->data_block_ptr = (__u16 *)((__u32)rmf | |
5006 | + sizeof(MAC_HEADER) + 2); | |
5007 | ||
5008 | fcb->frame_length = rmf->vl - 4 - 2; | |
5009 | fcb->bdb_ptr->buffer_length = rmf->vl - 4 - 2; | |
5010 | ||
5011 | if((err = smctr_trc_send_packet(dev, fcb, MAC_QUEUE))) | |
5012 | return (err); | |
5013 | ||
5014 | /* Wait for Transmit to Complete */ | |
5015 | for(i = 0; i < 10000; i++) | |
5016 | { | |
5017 | if(fcb->frame_status & FCB_COMMAND_DONE) | |
5018 | break; | |
5019 | mdelay(1); | |
5020 | } | |
5021 | ||
5022 | /* Check if GOOD frame Tx'ed */ | |
5023 | if(!(fcb->frame_status & FCB_COMMAND_DONE)) | |
5024 | { | |
5025 | if((err = smctr_issue_resume_tx_fcb_cmd(dev, MAC_QUEUE))) | |
5026 | return (err); | |
5027 | ||
5028 | for(i = 0; i < 10000; i++) | |
5029 | { | |
5030 | if(fcb->frame_status & FCB_COMMAND_DONE) | |
5031 | break; | |
5032 | mdelay(1); | |
5033 | } | |
5034 | ||
5035 | if(!(fcb->frame_status & FCB_COMMAND_DONE)) | |
5036 | return (HARDWARE_FAILED); | |
5037 | } | |
5038 | ||
5039 | *tx_fstatus = fcb->frame_status; | |
5040 | ||
5041 | return (A_FRAME_WAS_FORWARDED); | |
5042 | } | |
5043 | ||
5044 | static int smctr_set_auth_access_pri(struct net_device *dev, | |
5045 | MAC_SUB_VECTOR *rsv) | |
5046 | { | |
5047 | struct net_local *tp = netdev_priv(dev); | |
5048 | ||
5049 | if(rsv->svl != S_AUTHORIZED_ACCESS_PRIORITY) | |
5050 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5051 | ||
5052 | tp->authorized_access_priority = (rsv->svv[0] << 8 | rsv->svv[1]); | |
5053 | ||
5054 | return (POSITIVE_ACK); | |
5055 | } | |
5056 | ||
5057 | static int smctr_set_auth_funct_class(struct net_device *dev, | |
5058 | MAC_SUB_VECTOR *rsv) | |
5059 | { | |
5060 | struct net_local *tp = netdev_priv(dev); | |
5061 | ||
5062 | if(rsv->svl != S_AUTHORIZED_FUNCTION_CLASS) | |
5063 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5064 | ||
5065 | tp->authorized_function_classes = (rsv->svv[0] << 8 | rsv->svv[1]); | |
5066 | ||
5067 | return (POSITIVE_ACK); | |
5068 | } | |
5069 | ||
5070 | static int smctr_set_corr(struct net_device *dev, MAC_SUB_VECTOR *rsv, | |
5071 | __u16 *correlator) | |
5072 | { | |
5073 | if(rsv->svl != S_CORRELATOR) | |
5074 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5075 | ||
5076 | *correlator = (rsv->svv[0] << 8 | rsv->svv[1]); | |
5077 | ||
5078 | return (POSITIVE_ACK); | |
5079 | } | |
5080 | ||
5081 | static int smctr_set_error_timer_value(struct net_device *dev, | |
5082 | MAC_SUB_VECTOR *rsv) | |
5083 | { | |
5084 | __u16 err_tval; | |
5085 | int err; | |
5086 | ||
5087 | if(rsv->svl != S_ERROR_TIMER_VALUE) | |
5088 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5089 | ||
5090 | err_tval = (rsv->svv[0] << 8 | rsv->svv[1])*10; | |
5091 | ||
5092 | smctr_issue_write_word_cmd(dev, RW_TER_THRESHOLD, &err_tval); | |
5093 | ||
5094 | if((err = smctr_wait_cmd(dev))) | |
5095 | return (err); | |
5096 | ||
5097 | return (POSITIVE_ACK); | |
5098 | } | |
5099 | ||
5100 | static int smctr_set_frame_forward(struct net_device *dev, | |
5101 | MAC_SUB_VECTOR *rsv, __u8 dc_sc) | |
5102 | { | |
5103 | if((rsv->svl < 2) || (rsv->svl > S_FRAME_FORWARD)) | |
5104 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5105 | ||
5106 | if((dc_sc & DC_MASK) != DC_CRS) | |
5107 | { | |
5108 | if(rsv->svl >= 2 && rsv->svl < 20) | |
5109 | return (E_TRANSMIT_FORWARD_INVALID); | |
5110 | ||
5111 | if((rsv->svv[0] != 0) || (rsv->svv[1] != 0)) | |
5112 | return (E_TRANSMIT_FORWARD_INVALID); | |
5113 | } | |
5114 | ||
5115 | return (POSITIVE_ACK); | |
5116 | } | |
5117 | ||
5118 | static int smctr_set_local_ring_num(struct net_device *dev, | |
5119 | MAC_SUB_VECTOR *rsv) | |
5120 | { | |
5121 | struct net_local *tp = netdev_priv(dev); | |
5122 | ||
5123 | if(rsv->svl != S_LOCAL_RING_NUMBER) | |
5124 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5125 | ||
5126 | if(tp->ptr_local_ring_num) | |
5127 | *(__u16 *)(tp->ptr_local_ring_num) | |
5128 | = (rsv->svv[0] << 8 | rsv->svv[1]); | |
5129 | ||
5130 | return (POSITIVE_ACK); | |
5131 | } | |
5132 | ||
5133 | static unsigned short smctr_set_ctrl_attention(struct net_device *dev) | |
5134 | { | |
5135 | struct net_local *tp = netdev_priv(dev); | |
5136 | int ioaddr = dev->base_addr; | |
5137 | ||
5138 | if(tp->bic_type == BIC_585_CHIP) | |
5139 | outb((tp->trc_mask | HWR_CA), ioaddr + HWR); | |
5140 | else | |
5141 | { | |
5142 | outb((tp->trc_mask | CSR_CA), ioaddr + CSR); | |
5143 | outb(tp->trc_mask, ioaddr + CSR); | |
5144 | } | |
5145 | ||
5146 | return (0); | |
5147 | } | |
5148 | ||
5149 | static void smctr_set_multicast_list(struct net_device *dev) | |
5150 | { | |
5151 | if(smctr_debug > 10) | |
5152 | printk(KERN_DEBUG "%s: smctr_set_multicast_list\n", dev->name); | |
5153 | ||
5154 | return; | |
5155 | } | |
5156 | ||
5157 | static int smctr_set_page(struct net_device *dev, __u8 *buf) | |
5158 | { | |
5159 | struct net_local *tp = netdev_priv(dev); | |
5160 | __u8 amask; | |
5161 | __u32 tptr; | |
5162 | ||
5163 | tptr = (__u32)buf - (__u32)tp->ram_access; | |
5164 | amask = (__u8)((tptr & PR_PAGE_MASK) >> 8); | |
5165 | outb(amask, dev->base_addr + PR); | |
5166 | ||
5167 | return (0); | |
5168 | } | |
5169 | ||
5170 | static int smctr_set_phy_drop(struct net_device *dev, MAC_SUB_VECTOR *rsv) | |
5171 | { | |
5172 | int err; | |
5173 | ||
5174 | if(rsv->svl != S_PHYSICAL_DROP) | |
5175 | return (E_SUB_VECTOR_LENGTH_ERROR); | |
5176 | ||
5177 | smctr_issue_write_byte_cmd(dev, RW_PHYSICAL_DROP_NUMBER, &rsv->svv[0]); | |
5178 | if((err = smctr_wait_cmd(dev))) | |
5179 | return (err); | |
5180 | ||
5181 | return (POSITIVE_ACK); | |
5182 | } | |
5183 | ||
5184 | /* Reset the ring speed to the opposite of what it was. This auto-pilot | |
5185 | * mode requires a complete reset and re-init of the adapter. | |
5186 | */ | |
5187 | static int smctr_set_ring_speed(struct net_device *dev) | |
5188 | { | |
5189 | struct net_local *tp = netdev_priv(dev); | |
5190 | int err; | |
5191 | ||
5192 | if(tp->media_type == MEDIA_UTP_16) | |
5193 | tp->media_type = MEDIA_UTP_4; | |
5194 | else | |
5195 | tp->media_type = MEDIA_UTP_16; | |
5196 | ||
5197 | smctr_enable_16bit(dev); | |
5198 | ||
5199 | /* Re-Initialize adapter's internal registers */ | |
5200 | smctr_reset_adapter(dev); | |
5201 | ||
5202 | if((err = smctr_init_card_real(dev))) | |
5203 | return (err); | |
5204 | ||
5205 | smctr_enable_bic_int(dev); | |
5206 | ||
5207 | if((err = smctr_issue_enable_int_cmd(dev, TRC_INTERRUPT_ENABLE_MASK))) | |
5208 | return (err); | |
5209 | ||
5210 | smctr_disable_16bit(dev); | |
5211 | ||
5212 | return (0); | |
5213 | } | |
5214 | ||
5215 | static int smctr_set_rx_look_ahead(struct net_device *dev) | |
5216 | { | |
5217 | struct net_local *tp = netdev_priv(dev); | |
5218 | __u16 sword, rword; | |
5219 | ||
5220 | if(smctr_debug > 10) | |
5221 | printk(KERN_DEBUG "%s: smctr_set_rx_look_ahead_flag\n", dev->name); | |
5222 | ||
5223 | tp->adapter_flags &= ~(FORCED_16BIT_MODE); | |
5224 | tp->adapter_flags |= RX_VALID_LOOKAHEAD; | |
5225 | ||
5226 | if(tp->adapter_bus == BUS_ISA16_TYPE) | |
5227 | { | |
5228 | sword = *((__u16 *)(tp->ram_access)); | |
5229 | *((__u16 *)(tp->ram_access)) = 0x1234; | |
5230 | ||
5231 | smctr_disable_16bit(dev); | |
5232 | rword = *((__u16 *)(tp->ram_access)); | |
5233 | smctr_enable_16bit(dev); | |
5234 | ||
5235 | if(rword != 0x1234) | |
5236 | tp->adapter_flags |= FORCED_16BIT_MODE; | |
5237 | ||
5238 | *((__u16 *)(tp->ram_access)) = sword; | |
5239 | } | |
5240 | ||
5241 | return (0); | |
5242 | } | |
5243 | ||
5244 | static int smctr_set_trc_reset(int ioaddr) | |
5245 | { | |
5246 | __u8 r; | |
5247 | ||
5248 | r = inb(ioaddr + MSR); | |
5249 | outb(MSR_RST | r, ioaddr + MSR); | |
5250 | ||
5251 | return (0); | |
5252 | } | |
5253 | ||
5254 | /* | |
5255 | * This function can be called if the adapter is busy or not. | |
5256 | */ | |
5257 | static int smctr_setup_single_cmd(struct net_device *dev, | |
5258 | __u16 command, __u16 subcommand) | |
5259 | { | |
5260 | struct net_local *tp = netdev_priv(dev); | |
5261 | unsigned int err; | |
5262 | ||
5263 | if(smctr_debug > 10) | |
5264 | printk(KERN_DEBUG "%s: smctr_setup_single_cmd\n", dev->name); | |
5265 | ||
5266 | if((err = smctr_wait_while_cbusy(dev))) | |
5267 | return (err); | |
5268 | ||
5269 | if((err = (unsigned int)smctr_wait_cmd(dev))) | |
5270 | return (err); | |
5271 | ||
5272 | tp->acb_head->cmd_done_status = 0; | |
5273 | tp->acb_head->cmd = command; | |
5274 | tp->acb_head->subcmd = subcommand; | |
5275 | ||
5276 | err = smctr_issue_resume_acb_cmd(dev); | |
5277 | ||
5278 | return (err); | |
5279 | } | |
5280 | ||
5281 | /* | |
5282 | * This function can not be called with the adapter busy. | |
5283 | */ | |
5284 | static int smctr_setup_single_cmd_w_data(struct net_device *dev, | |
5285 | __u16 command, __u16 subcommand) | |
5286 | { | |
5287 | struct net_local *tp = netdev_priv(dev); | |
5288 | ||
5289 | tp->acb_head->cmd_done_status = ACB_COMMAND_NOT_DONE; | |
5290 | tp->acb_head->cmd = command; | |
5291 | tp->acb_head->subcmd = subcommand; | |
5292 | tp->acb_head->data_offset_lo | |
5293 | = (__u16)TRC_POINTER(tp->misc_command_data); | |
5294 | ||
5295 | return(smctr_issue_resume_acb_cmd(dev)); | |
5296 | } | |
5297 | ||
5298 | static char *smctr_malloc(struct net_device *dev, __u16 size) | |
5299 | { | |
5300 | struct net_local *tp = netdev_priv(dev); | |
5301 | char *m; | |
5302 | ||
5303 | m = (char *)(tp->ram_access + tp->sh_mem_used); | |
5304 | tp->sh_mem_used += (__u32)size; | |
5305 | ||
5306 | return (m); | |
5307 | } | |
5308 | ||
5309 | static int smctr_status_chg(struct net_device *dev) | |
5310 | { | |
5311 | struct net_local *tp = netdev_priv(dev); | |
5312 | ||
5313 | if(smctr_debug > 10) | |
5314 | printk(KERN_DEBUG "%s: smctr_status_chg\n", dev->name); | |
5315 | ||
5316 | switch(tp->status) | |
5317 | { | |
5318 | case OPEN: | |
5319 | break; | |
5320 | ||
5321 | case CLOSED: | |
5322 | break; | |
5323 | ||
5324 | /* Interrupt driven open() completion. XXX */ | |
5325 | case INITIALIZED: | |
5326 | tp->group_address_0 = 0; | |
5327 | tp->group_address[0] = 0; | |
5328 | tp->group_address[1] = 0; | |
5329 | tp->functional_address_0 = 0; | |
5330 | tp->functional_address[0] = 0; | |
5331 | tp->functional_address[1] = 0; | |
5332 | smctr_open_tr(dev); | |
5333 | break; | |
5334 | ||
5335 | default: | |
5336 | printk(KERN_INFO "%s: status change unknown %x\n", | |
5337 | dev->name, tp->status); | |
5338 | break; | |
5339 | } | |
5340 | ||
5341 | return (0); | |
5342 | } | |
5343 | ||
5344 | static int smctr_trc_send_packet(struct net_device *dev, FCBlock *fcb, | |
5345 | __u16 queue) | |
5346 | { | |
5347 | struct net_local *tp = netdev_priv(dev); | |
5348 | int err = 0; | |
5349 | ||
5350 | if(smctr_debug > 10) | |
5351 | printk(KERN_DEBUG "%s: smctr_trc_send_packet\n", dev->name); | |
5352 | ||
5353 | fcb->info = FCB_CHAIN_END | FCB_ENABLE_TFS; | |
5354 | if(tp->num_tx_fcbs[queue] != 1) | |
5355 | fcb->back_ptr->info = FCB_INTERRUPT_ENABLE | FCB_ENABLE_TFS; | |
5356 | ||
5357 | if(tp->tx_queue_status[queue] == NOT_TRANSMITING) | |
5358 | { | |
5359 | tp->tx_queue_status[queue] = TRANSMITING; | |
5360 | err = smctr_issue_resume_tx_fcb_cmd(dev, queue); | |
5361 | } | |
5362 | ||
5363 | return (err); | |
5364 | } | |
5365 | ||
5366 | static __u16 smctr_tx_complete(struct net_device *dev, __u16 queue) | |
5367 | { | |
5368 | struct net_local *tp = netdev_priv(dev); | |
5369 | __u16 status, err = 0; | |
5370 | int cstatus; | |
5371 | ||
5372 | if(smctr_debug > 10) | |
5373 | printk(KERN_DEBUG "%s: smctr_tx_complete\n", dev->name); | |
5374 | ||
5375 | while((status = tp->tx_fcb_end[queue]->frame_status) != SUCCESS) | |
5376 | { | |
5377 | if(status & 0x7e00 ) | |
5378 | { | |
5379 | err = HARDWARE_FAILED; | |
5380 | break; | |
5381 | } | |
5382 | ||
5383 | if((err = smctr_update_tx_chain(dev, tp->tx_fcb_end[queue], | |
5384 | queue)) != SUCCESS) | |
5385 | break; | |
5386 | ||
5387 | smctr_disable_16bit(dev); | |
5388 | ||
5389 | if(tp->mode_bits & UMAC) | |
5390 | { | |
5391 | if(!(status & (FCB_TX_STATUS_AR1 | FCB_TX_STATUS_AR2))) | |
5392 | cstatus = NO_SUCH_DESTINATION; | |
5393 | else | |
5394 | { | |
5395 | if(!(status & (FCB_TX_STATUS_CR1 | FCB_TX_STATUS_CR2))) | |
5396 | cstatus = DEST_OUT_OF_RESOURCES; | |
5397 | else | |
5398 | { | |
5399 | if(status & FCB_TX_STATUS_E) | |
5400 | cstatus = MAX_COLLISIONS; | |
5401 | else | |
5402 | cstatus = SUCCESS; | |
5403 | } | |
5404 | } | |
5405 | } | |
5406 | else | |
5407 | cstatus = SUCCESS; | |
5408 | ||
5409 | if(queue == BUG_QUEUE) | |
5410 | err = SUCCESS; | |
5411 | ||
5412 | smctr_enable_16bit(dev); | |
5413 | if(err != SUCCESS) | |
5414 | break; | |
5415 | } | |
5416 | ||
5417 | return (err); | |
5418 | } | |
5419 | ||
5420 | static unsigned short smctr_tx_move_frame(struct net_device *dev, | |
5421 | struct sk_buff *skb, __u8 *pbuff, unsigned int bytes) | |
5422 | { | |
5423 | struct net_local *tp = netdev_priv(dev); | |
5424 | unsigned int ram_usable; | |
5425 | __u32 flen, len, offset = 0; | |
5426 | __u8 *frag, *page; | |
5427 | ||
5428 | if(smctr_debug > 10) | |
5429 | printk(KERN_DEBUG "%s: smctr_tx_move_frame\n", dev->name); | |
5430 | ||
5431 | ram_usable = ((unsigned int)tp->ram_usable) << 10; | |
5432 | frag = skb->data; | |
5433 | flen = skb->len; | |
5434 | ||
5435 | while(flen > 0 && bytes > 0) | |
5436 | { | |
5437 | smctr_set_page(dev, pbuff); | |
5438 | ||
5439 | offset = SMC_PAGE_OFFSET(pbuff); | |
5440 | ||
5441 | if(offset + flen > ram_usable) | |
5442 | len = ram_usable - offset; | |
5443 | else | |
5444 | len = flen; | |
5445 | ||
5446 | if(len > bytes) | |
5447 | len = bytes; | |
5448 | ||
5449 | page = (char *) (offset + tp->ram_access); | |
5450 | memcpy(page, frag, len); | |
5451 | ||
5452 | flen -=len; | |
5453 | bytes -= len; | |
5454 | frag += len; | |
5455 | pbuff += len; | |
5456 | } | |
5457 | ||
5458 | return (0); | |
5459 | } | |
5460 | ||
5461 | /* Update the error statistic counters for this adapter. */ | |
5462 | static int smctr_update_err_stats(struct net_device *dev) | |
5463 | { | |
5464 | struct net_local *tp = netdev_priv(dev); | |
5465 | struct tr_statistics *tstat = &tp->MacStat; | |
5466 | ||
5467 | if(tstat->internal_errors) | |
5468 | tstat->internal_errors | |
5469 | += *(tp->misc_command_data + 0) & 0x00ff; | |
5470 | ||
5471 | if(tstat->line_errors) | |
5472 | tstat->line_errors += *(tp->misc_command_data + 0) >> 8; | |
5473 | ||
5474 | if(tstat->A_C_errors) | |
5475 | tstat->A_C_errors += *(tp->misc_command_data + 1) & 0x00ff; | |
5476 | ||
5477 | if(tstat->burst_errors) | |
5478 | tstat->burst_errors += *(tp->misc_command_data + 1) >> 8; | |
5479 | ||
5480 | if(tstat->abort_delimiters) | |
5481 | tstat->abort_delimiters += *(tp->misc_command_data + 2) >> 8; | |
5482 | ||
5483 | if(tstat->recv_congest_count) | |
5484 | tstat->recv_congest_count | |
5485 | += *(tp->misc_command_data + 3) & 0x00ff; | |
5486 | ||
5487 | if(tstat->lost_frames) | |
5488 | tstat->lost_frames | |
5489 | += *(tp->misc_command_data + 3) >> 8; | |
5490 | ||
5491 | if(tstat->frequency_errors) | |
5492 | tstat->frequency_errors += *(tp->misc_command_data + 4) & 0x00ff; | |
5493 | ||
5494 | if(tstat->frame_copied_errors) | |
5495 | tstat->frame_copied_errors | |
5496 | += *(tp->misc_command_data + 4) >> 8; | |
5497 | ||
5498 | if(tstat->token_errors) | |
5499 | tstat->token_errors += *(tp->misc_command_data + 5) >> 8; | |
5500 | ||
5501 | return (0); | |
5502 | } | |
5503 | ||
5504 | static int smctr_update_rx_chain(struct net_device *dev, __u16 queue) | |
5505 | { | |
5506 | struct net_local *tp = netdev_priv(dev); | |
5507 | FCBlock *fcb; | |
5508 | BDBlock *bdb; | |
5509 | __u16 size, len; | |
5510 | ||
5511 | fcb = tp->rx_fcb_curr[queue]; | |
5512 | len = fcb->frame_length; | |
5513 | ||
5514 | fcb->frame_status = 0; | |
5515 | fcb->info = FCB_CHAIN_END; | |
5516 | fcb->back_ptr->info = FCB_WARNING; | |
5517 | ||
5518 | tp->rx_fcb_curr[queue] = tp->rx_fcb_curr[queue]->next_ptr; | |
5519 | ||
5520 | /* update RX BDBs */ | |
5521 | size = (len >> RX_BDB_SIZE_SHIFT); | |
5522 | if(len & RX_DATA_BUFFER_SIZE_MASK) | |
5523 | size += sizeof(BDBlock); | |
5524 | size &= (~RX_BDB_SIZE_MASK); | |
5525 | ||
5526 | /* check if wrap around */ | |
5527 | bdb = (BDBlock *)((__u32)(tp->rx_bdb_curr[queue]) + (__u32)(size)); | |
5528 | if((__u32)bdb >= (__u32)tp->rx_bdb_end[queue]) | |
5529 | { | |
5530 | bdb = (BDBlock *)((__u32)(tp->rx_bdb_head[queue]) | |
5531 | + (__u32)(bdb) - (__u32)(tp->rx_bdb_end[queue])); | |
5532 | } | |
5533 | ||
5534 | bdb->back_ptr->info = BDB_CHAIN_END; | |
5535 | tp->rx_bdb_curr[queue]->back_ptr->info = BDB_NOT_CHAIN_END; | |
5536 | tp->rx_bdb_curr[queue] = bdb; | |
5537 | ||
5538 | return (0); | |
5539 | } | |
5540 | ||
5541 | static int smctr_update_tx_chain(struct net_device *dev, FCBlock *fcb, | |
5542 | __u16 queue) | |
5543 | { | |
5544 | struct net_local *tp = netdev_priv(dev); | |
5545 | ||
5546 | if(smctr_debug > 20) | |
5547 | printk(KERN_DEBUG "smctr_update_tx_chain\n"); | |
5548 | ||
5549 | if(tp->num_tx_fcbs_used[queue] <= 0) | |
5550 | return (HARDWARE_FAILED); | |
5551 | else | |
5552 | { | |
5553 | if(tp->tx_buff_used[queue] < fcb->memory_alloc) | |
5554 | { | |
5555 | tp->tx_buff_used[queue] = 0; | |
5556 | return (HARDWARE_FAILED); | |
5557 | } | |
5558 | ||
5559 | tp->tx_buff_used[queue] -= fcb->memory_alloc; | |
5560 | ||
5561 | /* if all transmit buffer are cleared | |
5562 | * need to set the tx_buff_curr[] to tx_buff_head[] | |
5563 | * otherwise, tx buffer will be segregate and cannot | |
5564 | * accommodate and buffer greater than (curr - head) and | |
5565 | * (end - curr) since we do not allow wrap around allocation. | |
5566 | */ | |
5567 | if(tp->tx_buff_used[queue] == 0) | |
5568 | tp->tx_buff_curr[queue] = tp->tx_buff_head[queue]; | |
5569 | ||
5570 | tp->num_tx_fcbs_used[queue]--; | |
5571 | fcb->frame_status = 0; | |
5572 | tp->tx_fcb_end[queue] = fcb->next_ptr; | |
5573 | netif_wake_queue(dev); | |
5574 | return (0); | |
5575 | } | |
5576 | } | |
5577 | ||
5578 | static int smctr_wait_cmd(struct net_device *dev) | |
5579 | { | |
5580 | struct net_local *tp = netdev_priv(dev); | |
5581 | unsigned int loop_count = 0x20000; | |
5582 | ||
5583 | if(smctr_debug > 10) | |
5584 | printk(KERN_DEBUG "%s: smctr_wait_cmd\n", dev->name); | |
5585 | ||
5586 | while(loop_count) | |
5587 | { | |
5588 | if(tp->acb_head->cmd_done_status & ACB_COMMAND_DONE) | |
5589 | break; | |
5590 | udelay(1); | |
5591 | loop_count--; | |
5592 | } | |
5593 | ||
5594 | if(loop_count == 0) | |
5595 | return(HARDWARE_FAILED); | |
5596 | ||
5597 | if(tp->acb_head->cmd_done_status & 0xff) | |
5598 | return(HARDWARE_FAILED); | |
5599 | ||
5600 | return (0); | |
5601 | } | |
5602 | ||
5603 | static int smctr_wait_while_cbusy(struct net_device *dev) | |
5604 | { | |
5605 | struct net_local *tp = netdev_priv(dev); | |
5606 | unsigned int timeout = 0x20000; | |
5607 | int ioaddr = dev->base_addr; | |
5608 | __u8 r; | |
5609 | ||
5610 | if(tp->bic_type == BIC_585_CHIP) | |
5611 | { | |
5612 | while(timeout) | |
5613 | { | |
5614 | r = inb(ioaddr + HWR); | |
5615 | if((r & HWR_CBUSY) == 0) | |
5616 | break; | |
5617 | timeout--; | |
5618 | } | |
5619 | } | |
5620 | else | |
5621 | { | |
5622 | while(timeout) | |
5623 | { | |
5624 | r = inb(ioaddr + CSR); | |
5625 | if((r & CSR_CBUSY) == 0) | |
5626 | break; | |
5627 | timeout--; | |
5628 | } | |
5629 | } | |
5630 | ||
5631 | if(timeout) | |
5632 | return (0); | |
5633 | else | |
5634 | return (HARDWARE_FAILED); | |
5635 | } | |
5636 | ||
5637 | #ifdef MODULE | |
5638 | ||
5639 | static struct net_device* dev_smctr[SMCTR_MAX_ADAPTERS]; | |
5640 | static int io[SMCTR_MAX_ADAPTERS]; | |
5641 | static int irq[SMCTR_MAX_ADAPTERS]; | |
5642 | ||
5643 | MODULE_LICENSE("GPL"); | |
0f805b86 | 5644 | MODULE_FIRMWARE("tr_smctr.bin"); |
1da177e4 LT |
5645 | |
5646 | module_param_array(io, int, NULL, 0); | |
5647 | module_param_array(irq, int, NULL, 0); | |
5648 | module_param(ringspeed, int, 0); | |
5649 | ||
daca7cd7 | 5650 | static struct net_device * __init setup_card(int n) |
1da177e4 LT |
5651 | { |
5652 | struct net_device *dev = alloc_trdev(sizeof(struct net_local)); | |
5653 | int err; | |
5654 | ||
5655 | if (!dev) | |
5656 | return ERR_PTR(-ENOMEM); | |
5657 | ||
5658 | dev->irq = irq[n]; | |
5659 | err = smctr_probe1(dev, io[n]); | |
5660 | if (err) | |
5661 | goto out; | |
5662 | ||
5663 | err = register_netdev(dev); | |
5664 | if (err) | |
5665 | goto out1; | |
5666 | return dev; | |
5667 | out1: | |
5668 | #ifdef CONFIG_MCA_LEGACY | |
5669 | { struct net_local *tp = netdev_priv(dev); | |
5670 | if (tp->slot_num) | |
5671 | mca_mark_as_unused(tp->slot_num); | |
5672 | } | |
5673 | #endif | |
5674 | release_region(dev->base_addr, SMCTR_IO_EXTENT); | |
5675 | free_irq(dev->irq, dev); | |
5676 | out: | |
5677 | free_netdev(dev); | |
5678 | return ERR_PTR(err); | |
5679 | } | |
1da177e4 | 5680 | |
daca7cd7 | 5681 | int __init init_module(void) |
1da177e4 LT |
5682 | { |
5683 | int i, found = 0; | |
5684 | struct net_device *dev; | |
5685 | ||
5686 | for(i = 0; i < SMCTR_MAX_ADAPTERS; i++) { | |
5687 | dev = io[0]? setup_card(i) : smctr_probe(-1); | |
5688 | if (!IS_ERR(dev)) { | |
5689 | ++found; | |
5690 | dev_smctr[i] = dev; | |
5691 | } | |
5692 | } | |
5693 | ||
5694 | return found ? 0 : -ENODEV; | |
5695 | } | |
5696 | ||
afc8eb46 | 5697 | void __exit cleanup_module(void) |
1da177e4 LT |
5698 | { |
5699 | int i; | |
5700 | ||
5701 | for(i = 0; i < SMCTR_MAX_ADAPTERS; i++) { | |
5702 | struct net_device *dev = dev_smctr[i]; | |
5703 | ||
5704 | if (dev) { | |
5705 | ||
5706 | unregister_netdev(dev); | |
5707 | #ifdef CONFIG_MCA_LEGACY | |
5708 | { struct net_local *tp = netdev_priv(dev); | |
5709 | if (tp->slot_num) | |
5710 | mca_mark_as_unused(tp->slot_num); | |
5711 | } | |
5712 | #endif | |
5713 | release_region(dev->base_addr, SMCTR_IO_EXTENT); | |
5714 | if (dev->irq) | |
5715 | free_irq(dev->irq, dev); | |
5716 | ||
5717 | free_netdev(dev); | |
5718 | } | |
5719 | } | |
5720 | } | |
5721 | #endif /* MODULE */ |