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1da177e4 LT |
1 | /* EtherLinkXL.c: A 3Com EtherLink PCI III/XL ethernet driver for linux. */ |
2 | /* | |
3 | Written 1996-1999 by Donald Becker. | |
4 | ||
5 | This software may be used and distributed according to the terms | |
6 | of the GNU General Public License, incorporated herein by reference. | |
7 | ||
8 | This driver is for the 3Com "Vortex" and "Boomerang" series ethercards. | |
9 | Members of the series include Fast EtherLink 3c590/3c592/3c595/3c597 | |
10 | and the EtherLink XL 3c900 and 3c905 cards. | |
11 | ||
12 | Problem reports and questions should be directed to | |
13 | vortex@scyld.com | |
14 | ||
15 | The author may be reached as becker@scyld.com, or C/O | |
16 | Scyld Computing Corporation | |
17 | 410 Severn Ave., Suite 210 | |
18 | Annapolis MD 21403 | |
19 | ||
1da177e4 LT |
20 | */ |
21 | ||
22 | /* | |
23 | * FIXME: This driver _could_ support MTU changing, but doesn't. See Don's hamachi.c implementation | |
24 | * as well as other drivers | |
25 | * | |
26 | * NOTE: If you make 'vortex_debug' a constant (#define vortex_debug 0) the driver shrinks by 2k | |
27 | * due to dead code elimination. There will be some performance benefits from this due to | |
28 | * elimination of all the tests and reduced cache footprint. | |
29 | */ | |
30 | ||
31 | ||
32 | #define DRV_NAME "3c59x" | |
1da177e4 LT |
33 | |
34 | ||
35 | ||
36 | /* A few values that may be tweaked. */ | |
37 | /* Keep the ring sizes a power of two for efficiency. */ | |
38 | #define TX_RING_SIZE 16 | |
39 | #define RX_RING_SIZE 32 | |
40 | #define PKT_BUF_SZ 1536 /* Size of each temporary Rx buffer.*/ | |
41 | ||
42 | /* "Knobs" that adjust features and parameters. */ | |
43 | /* Set the copy breakpoint for the copy-only-tiny-frames scheme. | |
44 | Setting to > 1512 effectively disables this feature. */ | |
45 | #ifndef __arm__ | |
46 | static int rx_copybreak = 200; | |
47 | #else | |
48 | /* ARM systems perform better by disregarding the bus-master | |
49 | transfer capability of these cards. -- rmk */ | |
50 | static int rx_copybreak = 1513; | |
51 | #endif | |
52 | /* Allow setting MTU to a larger size, bypassing the normal ethernet setup. */ | |
53 | static const int mtu = 1500; | |
54 | /* Maximum events (Rx packets, etc.) to handle at each interrupt. */ | |
55 | static int max_interrupt_work = 32; | |
56 | /* Tx timeout interval (millisecs) */ | |
57 | static int watchdog = 5000; | |
58 | ||
59 | /* Allow aggregation of Tx interrupts. Saves CPU load at the cost | |
60 | * of possible Tx stalls if the system is blocking interrupts | |
61 | * somewhere else. Undefine this to disable. | |
62 | */ | |
63 | #define tx_interrupt_mitigation 1 | |
64 | ||
65 | /* Put out somewhat more debugging messages. (0: no msg, 1 minimal .. 6). */ | |
66 | #define vortex_debug debug | |
67 | #ifdef VORTEX_DEBUG | |
68 | static int vortex_debug = VORTEX_DEBUG; | |
69 | #else | |
70 | static int vortex_debug = 1; | |
71 | #endif | |
72 | ||
1da177e4 LT |
73 | #include <linux/module.h> |
74 | #include <linux/kernel.h> | |
75 | #include <linux/string.h> | |
76 | #include <linux/timer.h> | |
77 | #include <linux/errno.h> | |
78 | #include <linux/in.h> | |
79 | #include <linux/ioport.h> | |
80 | #include <linux/slab.h> | |
81 | #include <linux/interrupt.h> | |
82 | #include <linux/pci.h> | |
83 | #include <linux/mii.h> | |
84 | #include <linux/init.h> | |
85 | #include <linux/netdevice.h> | |
86 | #include <linux/etherdevice.h> | |
87 | #include <linux/skbuff.h> | |
88 | #include <linux/ethtool.h> | |
89 | #include <linux/highmem.h> | |
90 | #include <linux/eisa.h> | |
91 | #include <linux/bitops.h> | |
ff5688ae | 92 | #include <linux/jiffies.h> |
1da177e4 LT |
93 | #include <asm/irq.h> /* For NR_IRQS only. */ |
94 | #include <asm/io.h> | |
95 | #include <asm/uaccess.h> | |
96 | ||
97 | /* Kernel compatibility defines, some common to David Hinds' PCMCIA package. | |
98 | This is only in the support-all-kernels source code. */ | |
99 | ||
100 | #define RUN_AT(x) (jiffies + (x)) | |
101 | ||
102 | #include <linux/delay.h> | |
103 | ||
104 | ||
105 | static char version[] __devinitdata = | |
2c2a8c53 | 106 | DRV_NAME ": Donald Becker and others.\n"; |
1da177e4 LT |
107 | |
108 | MODULE_AUTHOR("Donald Becker <becker@scyld.com>"); | |
61238602 | 109 | MODULE_DESCRIPTION("3Com 3c59x/3c9xx ethernet driver "); |
1da177e4 | 110 | MODULE_LICENSE("GPL"); |
1da177e4 LT |
111 | |
112 | ||
113 | /* Operational parameter that usually are not changed. */ | |
114 | ||
115 | /* The Vortex size is twice that of the original EtherLinkIII series: the | |
116 | runtime register window, window 1, is now always mapped in. | |
117 | The Boomerang size is twice as large as the Vortex -- it has additional | |
118 | bus master control registers. */ | |
119 | #define VORTEX_TOTAL_SIZE 0x20 | |
120 | #define BOOMERANG_TOTAL_SIZE 0x40 | |
121 | ||
122 | /* Set iff a MII transceiver on any interface requires mdio preamble. | |
123 | This only set with the original DP83840 on older 3c905 boards, so the extra | |
124 | code size of a per-interface flag is not worthwhile. */ | |
125 | static char mii_preamble_required; | |
126 | ||
127 | #define PFX DRV_NAME ": " | |
128 | ||
129 | ||
130 | ||
131 | /* | |
132 | Theory of Operation | |
133 | ||
134 | I. Board Compatibility | |
135 | ||
136 | This device driver is designed for the 3Com FastEtherLink and FastEtherLink | |
137 | XL, 3Com's PCI to 10/100baseT adapters. It also works with the 10Mbs | |
138 | versions of the FastEtherLink cards. The supported product IDs are | |
139 | 3c590, 3c592, 3c595, 3c597, 3c900, 3c905 | |
140 | ||
141 | The related ISA 3c515 is supported with a separate driver, 3c515.c, included | |
142 | with the kernel source or available from | |
143 | cesdis.gsfc.nasa.gov:/pub/linux/drivers/3c515.html | |
144 | ||
145 | II. Board-specific settings | |
146 | ||
147 | PCI bus devices are configured by the system at boot time, so no jumpers | |
148 | need to be set on the board. The system BIOS should be set to assign the | |
149 | PCI INTA signal to an otherwise unused system IRQ line. | |
150 | ||
151 | The EEPROM settings for media type and forced-full-duplex are observed. | |
152 | The EEPROM media type should be left at the default "autoselect" unless using | |
153 | 10base2 or AUI connections which cannot be reliably detected. | |
154 | ||
155 | III. Driver operation | |
156 | ||
157 | The 3c59x series use an interface that's very similar to the previous 3c5x9 | |
158 | series. The primary interface is two programmed-I/O FIFOs, with an | |
159 | alternate single-contiguous-region bus-master transfer (see next). | |
160 | ||
161 | The 3c900 "Boomerang" series uses a full-bus-master interface with separate | |
162 | lists of transmit and receive descriptors, similar to the AMD LANCE/PCnet, | |
163 | DEC Tulip and Intel Speedo3. The first chip version retains a compatible | |
164 | programmed-I/O interface that has been removed in 'B' and subsequent board | |
165 | revisions. | |
166 | ||
167 | One extension that is advertised in a very large font is that the adapters | |
168 | are capable of being bus masters. On the Vortex chip this capability was | |
169 | only for a single contiguous region making it far less useful than the full | |
170 | bus master capability. There is a significant performance impact of taking | |
171 | an extra interrupt or polling for the completion of each transfer, as well | |
172 | as difficulty sharing the single transfer engine between the transmit and | |
173 | receive threads. Using DMA transfers is a win only with large blocks or | |
174 | with the flawed versions of the Intel Orion motherboard PCI controller. | |
175 | ||
176 | The Boomerang chip's full-bus-master interface is useful, and has the | |
177 | currently-unused advantages over other similar chips that queued transmit | |
178 | packets may be reordered and receive buffer groups are associated with a | |
179 | single frame. | |
180 | ||
181 | With full-bus-master support, this driver uses a "RX_COPYBREAK" scheme. | |
182 | Rather than a fixed intermediate receive buffer, this scheme allocates | |
183 | full-sized skbuffs as receive buffers. The value RX_COPYBREAK is used as | |
184 | the copying breakpoint: it is chosen to trade-off the memory wasted by | |
185 | passing the full-sized skbuff to the queue layer for all frames vs. the | |
186 | copying cost of copying a frame to a correctly-sized skbuff. | |
187 | ||
188 | IIIC. Synchronization | |
189 | The driver runs as two independent, single-threaded flows of control. One | |
190 | is the send-packet routine, which enforces single-threaded use by the | |
191 | dev->tbusy flag. The other thread is the interrupt handler, which is single | |
192 | threaded by the hardware and other software. | |
193 | ||
194 | IV. Notes | |
195 | ||
196 | Thanks to Cameron Spitzer and Terry Murphy of 3Com for providing development | |
197 | 3c590, 3c595, and 3c900 boards. | |
198 | The name "Vortex" is the internal 3Com project name for the PCI ASIC, and | |
199 | the EISA version is called "Demon". According to Terry these names come | |
200 | from rides at the local amusement park. | |
201 | ||
202 | The new chips support both ethernet (1.5K) and FDDI (4.5K) packet sizes! | |
203 | This driver only supports ethernet packets because of the skbuff allocation | |
204 | limit of 4K. | |
205 | */ | |
206 | ||
207 | /* This table drives the PCI probe routines. It's mostly boilerplate in all | |
208 | of the drivers, and will likely be provided by some future kernel. | |
209 | */ | |
210 | enum pci_flags_bit { | |
1f1bd5fc | 211 | PCI_USES_MASTER=4, |
1da177e4 LT |
212 | }; |
213 | ||
214 | enum { IS_VORTEX=1, IS_BOOMERANG=2, IS_CYCLONE=4, IS_TORNADO=8, | |
215 | EEPROM_8BIT=0x10, /* AKPM: Uses 0x230 as the base bitmaps for EEPROM reads */ | |
216 | HAS_PWR_CTRL=0x20, HAS_MII=0x40, HAS_NWAY=0x80, HAS_CB_FNS=0x100, | |
217 | INVERT_MII_PWR=0x200, INVERT_LED_PWR=0x400, MAX_COLLISION_RESET=0x800, | |
218 | EEPROM_OFFSET=0x1000, HAS_HWCKSM=0x2000, WNO_XCVR_PWR=0x4000, | |
219 | EXTRA_PREAMBLE=0x8000, EEPROM_RESET=0x10000, }; | |
220 | ||
221 | enum vortex_chips { | |
222 | CH_3C590 = 0, | |
223 | CH_3C592, | |
224 | CH_3C597, | |
225 | CH_3C595_1, | |
226 | CH_3C595_2, | |
227 | ||
228 | CH_3C595_3, | |
229 | CH_3C900_1, | |
230 | CH_3C900_2, | |
231 | CH_3C900_3, | |
232 | CH_3C900_4, | |
233 | ||
234 | CH_3C900_5, | |
235 | CH_3C900B_FL, | |
236 | CH_3C905_1, | |
237 | CH_3C905_2, | |
238 | CH_3C905B_1, | |
239 | ||
240 | CH_3C905B_2, | |
241 | CH_3C905B_FX, | |
242 | CH_3C905C, | |
243 | CH_3C9202, | |
244 | CH_3C980, | |
245 | CH_3C9805, | |
246 | ||
247 | CH_3CSOHO100_TX, | |
248 | CH_3C555, | |
249 | CH_3C556, | |
250 | CH_3C556B, | |
251 | CH_3C575, | |
252 | ||
253 | CH_3C575_1, | |
254 | CH_3CCFE575, | |
255 | CH_3CCFE575CT, | |
256 | CH_3CCFE656, | |
257 | CH_3CCFEM656, | |
258 | ||
259 | CH_3CCFEM656_1, | |
260 | CH_3C450, | |
261 | CH_3C920, | |
262 | CH_3C982A, | |
263 | CH_3C982B, | |
264 | ||
265 | CH_905BT4, | |
266 | CH_920B_EMB_WNM, | |
267 | }; | |
268 | ||
269 | ||
270 | /* note: this array directly indexed by above enums, and MUST | |
271 | * be kept in sync with both the enums above, and the PCI device | |
272 | * table below | |
273 | */ | |
274 | static struct vortex_chip_info { | |
275 | const char *name; | |
276 | int flags; | |
277 | int drv_flags; | |
278 | int io_size; | |
279 | } vortex_info_tbl[] __devinitdata = { | |
280 | {"3c590 Vortex 10Mbps", | |
1f1bd5fc | 281 | PCI_USES_MASTER, IS_VORTEX, 32, }, |
1da177e4 | 282 | {"3c592 EISA 10Mbps Demon/Vortex", /* AKPM: from Don's 3c59x_cb.c 0.49H */ |
1f1bd5fc | 283 | PCI_USES_MASTER, IS_VORTEX, 32, }, |
1da177e4 | 284 | {"3c597 EISA Fast Demon/Vortex", /* AKPM: from Don's 3c59x_cb.c 0.49H */ |
1f1bd5fc | 285 | PCI_USES_MASTER, IS_VORTEX, 32, }, |
1da177e4 | 286 | {"3c595 Vortex 100baseTx", |
1f1bd5fc | 287 | PCI_USES_MASTER, IS_VORTEX, 32, }, |
1da177e4 | 288 | {"3c595 Vortex 100baseT4", |
1f1bd5fc | 289 | PCI_USES_MASTER, IS_VORTEX, 32, }, |
1da177e4 LT |
290 | |
291 | {"3c595 Vortex 100base-MII", | |
1f1bd5fc | 292 | PCI_USES_MASTER, IS_VORTEX, 32, }, |
1da177e4 | 293 | {"3c900 Boomerang 10baseT", |
1f1bd5fc | 294 | PCI_USES_MASTER, IS_BOOMERANG|EEPROM_RESET, 64, }, |
1da177e4 | 295 | {"3c900 Boomerang 10Mbps Combo", |
1f1bd5fc | 296 | PCI_USES_MASTER, IS_BOOMERANG|EEPROM_RESET, 64, }, |
1da177e4 | 297 | {"3c900 Cyclone 10Mbps TPO", /* AKPM: from Don's 0.99M */ |
1f1bd5fc | 298 | PCI_USES_MASTER, IS_CYCLONE|HAS_HWCKSM, 128, }, |
1da177e4 | 299 | {"3c900 Cyclone 10Mbps Combo", |
1f1bd5fc | 300 | PCI_USES_MASTER, IS_CYCLONE|HAS_HWCKSM, 128, }, |
1da177e4 LT |
301 | |
302 | {"3c900 Cyclone 10Mbps TPC", /* AKPM: from Don's 0.99M */ | |
1f1bd5fc | 303 | PCI_USES_MASTER, IS_CYCLONE|HAS_HWCKSM, 128, }, |
1da177e4 | 304 | {"3c900B-FL Cyclone 10base-FL", |
1f1bd5fc | 305 | PCI_USES_MASTER, IS_CYCLONE|HAS_HWCKSM, 128, }, |
1da177e4 | 306 | {"3c905 Boomerang 100baseTx", |
1f1bd5fc | 307 | PCI_USES_MASTER, IS_BOOMERANG|HAS_MII|EEPROM_RESET, 64, }, |
1da177e4 | 308 | {"3c905 Boomerang 100baseT4", |
1f1bd5fc | 309 | PCI_USES_MASTER, IS_BOOMERANG|HAS_MII|EEPROM_RESET, 64, }, |
1da177e4 | 310 | {"3c905B Cyclone 100baseTx", |
1f1bd5fc | 311 | PCI_USES_MASTER, IS_CYCLONE|HAS_NWAY|HAS_HWCKSM|EXTRA_PREAMBLE, 128, }, |
1da177e4 LT |
312 | |
313 | {"3c905B Cyclone 10/100/BNC", | |
1f1bd5fc | 314 | PCI_USES_MASTER, IS_CYCLONE|HAS_NWAY|HAS_HWCKSM, 128, }, |
1da177e4 | 315 | {"3c905B-FX Cyclone 100baseFx", |
1f1bd5fc | 316 | PCI_USES_MASTER, IS_CYCLONE|HAS_HWCKSM, 128, }, |
1da177e4 | 317 | {"3c905C Tornado", |
1f1bd5fc | 318 | PCI_USES_MASTER, IS_TORNADO|HAS_NWAY|HAS_HWCKSM|EXTRA_PREAMBLE, 128, }, |
1da177e4 | 319 | {"3c920B-EMB-WNM (ATI Radeon 9100 IGP)", |
1f1bd5fc | 320 | PCI_USES_MASTER, IS_TORNADO|HAS_MII|HAS_HWCKSM, 128, }, |
1da177e4 | 321 | {"3c980 Cyclone", |
1f1bd5fc | 322 | PCI_USES_MASTER, IS_CYCLONE|HAS_HWCKSM, 128, }, |
1da177e4 LT |
323 | |
324 | {"3c980C Python-T", | |
1f1bd5fc | 325 | PCI_USES_MASTER, IS_CYCLONE|HAS_NWAY|HAS_HWCKSM, 128, }, |
1da177e4 | 326 | {"3cSOHO100-TX Hurricane", |
b8a1fcee | 327 | PCI_USES_MASTER, IS_CYCLONE|HAS_NWAY|HAS_HWCKSM|EXTRA_PREAMBLE, 128, }, |
1da177e4 | 328 | {"3c555 Laptop Hurricane", |
1f1bd5fc | 329 | PCI_USES_MASTER, IS_CYCLONE|EEPROM_8BIT|HAS_HWCKSM, 128, }, |
1da177e4 | 330 | {"3c556 Laptop Tornado", |
1f1bd5fc | 331 | PCI_USES_MASTER, IS_TORNADO|HAS_NWAY|EEPROM_8BIT|HAS_CB_FNS|INVERT_MII_PWR| |
1da177e4 LT |
332 | HAS_HWCKSM, 128, }, |
333 | {"3c556B Laptop Hurricane", | |
1f1bd5fc | 334 | PCI_USES_MASTER, IS_TORNADO|HAS_NWAY|EEPROM_OFFSET|HAS_CB_FNS|INVERT_MII_PWR| |
1da177e4 LT |
335 | WNO_XCVR_PWR|HAS_HWCKSM, 128, }, |
336 | ||
337 | {"3c575 [Megahertz] 10/100 LAN CardBus", | |
1f1bd5fc | 338 | PCI_USES_MASTER, IS_BOOMERANG|HAS_MII|EEPROM_8BIT, 128, }, |
1da177e4 | 339 | {"3c575 Boomerang CardBus", |
1f1bd5fc | 340 | PCI_USES_MASTER, IS_BOOMERANG|HAS_MII|EEPROM_8BIT, 128, }, |
1da177e4 | 341 | {"3CCFE575BT Cyclone CardBus", |
1f1bd5fc | 342 | PCI_USES_MASTER, IS_CYCLONE|HAS_NWAY|HAS_CB_FNS|EEPROM_8BIT| |
1da177e4 LT |
343 | INVERT_LED_PWR|HAS_HWCKSM, 128, }, |
344 | {"3CCFE575CT Tornado CardBus", | |
1f1bd5fc | 345 | PCI_USES_MASTER, IS_TORNADO|HAS_NWAY|HAS_CB_FNS|EEPROM_8BIT|INVERT_MII_PWR| |
1da177e4 LT |
346 | MAX_COLLISION_RESET|HAS_HWCKSM, 128, }, |
347 | {"3CCFE656 Cyclone CardBus", | |
1f1bd5fc | 348 | PCI_USES_MASTER, IS_CYCLONE|HAS_NWAY|HAS_CB_FNS|EEPROM_8BIT|INVERT_MII_PWR| |
1da177e4 LT |
349 | INVERT_LED_PWR|HAS_HWCKSM, 128, }, |
350 | ||
351 | {"3CCFEM656B Cyclone+Winmodem CardBus", | |
1f1bd5fc | 352 | PCI_USES_MASTER, IS_CYCLONE|HAS_NWAY|HAS_CB_FNS|EEPROM_8BIT|INVERT_MII_PWR| |
1da177e4 LT |
353 | INVERT_LED_PWR|HAS_HWCKSM, 128, }, |
354 | {"3CXFEM656C Tornado+Winmodem CardBus", /* From pcmcia-cs-3.1.5 */ | |
1f1bd5fc | 355 | PCI_USES_MASTER, IS_TORNADO|HAS_NWAY|HAS_CB_FNS|EEPROM_8BIT|INVERT_MII_PWR| |
1da177e4 LT |
356 | MAX_COLLISION_RESET|HAS_HWCKSM, 128, }, |
357 | {"3c450 HomePNA Tornado", /* AKPM: from Don's 0.99Q */ | |
1f1bd5fc | 358 | PCI_USES_MASTER, IS_TORNADO|HAS_NWAY|HAS_HWCKSM, 128, }, |
1da177e4 | 359 | {"3c920 Tornado", |
1f1bd5fc | 360 | PCI_USES_MASTER, IS_TORNADO|HAS_NWAY|HAS_HWCKSM, 128, }, |
1da177e4 | 361 | {"3c982 Hydra Dual Port A", |
1f1bd5fc | 362 | PCI_USES_MASTER, IS_TORNADO|HAS_HWCKSM|HAS_NWAY, 128, }, |
1da177e4 LT |
363 | |
364 | {"3c982 Hydra Dual Port B", | |
1f1bd5fc | 365 | PCI_USES_MASTER, IS_TORNADO|HAS_HWCKSM|HAS_NWAY, 128, }, |
1da177e4 | 366 | {"3c905B-T4", |
1f1bd5fc | 367 | PCI_USES_MASTER, IS_CYCLONE|HAS_NWAY|HAS_HWCKSM|EXTRA_PREAMBLE, 128, }, |
1da177e4 | 368 | {"3c920B-EMB-WNM Tornado", |
1f1bd5fc | 369 | PCI_USES_MASTER, IS_TORNADO|HAS_NWAY|HAS_HWCKSM, 128, }, |
1da177e4 LT |
370 | |
371 | {NULL,}, /* NULL terminated list. */ | |
372 | }; | |
373 | ||
374 | ||
375 | static struct pci_device_id vortex_pci_tbl[] = { | |
376 | { 0x10B7, 0x5900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C590 }, | |
377 | { 0x10B7, 0x5920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C592 }, | |
378 | { 0x10B7, 0x5970, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C597 }, | |
379 | { 0x10B7, 0x5950, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C595_1 }, | |
380 | { 0x10B7, 0x5951, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C595_2 }, | |
381 | ||
382 | { 0x10B7, 0x5952, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C595_3 }, | |
383 | { 0x10B7, 0x9000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C900_1 }, | |
384 | { 0x10B7, 0x9001, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C900_2 }, | |
385 | { 0x10B7, 0x9004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C900_3 }, | |
386 | { 0x10B7, 0x9005, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C900_4 }, | |
387 | ||
388 | { 0x10B7, 0x9006, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C900_5 }, | |
389 | { 0x10B7, 0x900A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C900B_FL }, | |
390 | { 0x10B7, 0x9050, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C905_1 }, | |
391 | { 0x10B7, 0x9051, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C905_2 }, | |
392 | { 0x10B7, 0x9055, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C905B_1 }, | |
393 | ||
394 | { 0x10B7, 0x9058, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C905B_2 }, | |
395 | { 0x10B7, 0x905A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C905B_FX }, | |
396 | { 0x10B7, 0x9200, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C905C }, | |
397 | { 0x10B7, 0x9202, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C9202 }, | |
398 | { 0x10B7, 0x9800, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C980 }, | |
399 | { 0x10B7, 0x9805, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C9805 }, | |
400 | ||
401 | { 0x10B7, 0x7646, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3CSOHO100_TX }, | |
402 | { 0x10B7, 0x5055, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C555 }, | |
403 | { 0x10B7, 0x6055, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C556 }, | |
404 | { 0x10B7, 0x6056, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C556B }, | |
405 | { 0x10B7, 0x5b57, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C575 }, | |
406 | ||
407 | { 0x10B7, 0x5057, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C575_1 }, | |
408 | { 0x10B7, 0x5157, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3CCFE575 }, | |
409 | { 0x10B7, 0x5257, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3CCFE575CT }, | |
410 | { 0x10B7, 0x6560, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3CCFE656 }, | |
411 | { 0x10B7, 0x6562, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3CCFEM656 }, | |
412 | ||
413 | { 0x10B7, 0x6564, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3CCFEM656_1 }, | |
414 | { 0x10B7, 0x4500, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C450 }, | |
415 | { 0x10B7, 0x9201, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C920 }, | |
416 | { 0x10B7, 0x1201, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C982A }, | |
417 | { 0x10B7, 0x1202, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_3C982B }, | |
418 | ||
419 | { 0x10B7, 0x9056, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_905BT4 }, | |
420 | { 0x10B7, 0x9210, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_920B_EMB_WNM }, | |
421 | ||
422 | {0,} /* 0 terminated list. */ | |
423 | }; | |
424 | MODULE_DEVICE_TABLE(pci, vortex_pci_tbl); | |
425 | ||
426 | ||
427 | /* Operational definitions. | |
428 | These are not used by other compilation units and thus are not | |
429 | exported in a ".h" file. | |
430 | ||
431 | First the windows. There are eight register windows, with the command | |
432 | and status registers available in each. | |
433 | */ | |
62afe595 | 434 | #define EL3WINDOW(win_num) iowrite16(SelectWindow + (win_num), ioaddr + EL3_CMD) |
1da177e4 LT |
435 | #define EL3_CMD 0x0e |
436 | #define EL3_STATUS 0x0e | |
437 | ||
438 | /* The top five bits written to EL3_CMD are a command, the lower | |
439 | 11 bits are the parameter, if applicable. | |
440 | Note that 11 parameters bits was fine for ethernet, but the new chip | |
441 | can handle FDDI length frames (~4500 octets) and now parameters count | |
442 | 32-bit 'Dwords' rather than octets. */ | |
443 | ||
444 | enum vortex_cmd { | |
445 | TotalReset = 0<<11, SelectWindow = 1<<11, StartCoax = 2<<11, | |
446 | RxDisable = 3<<11, RxEnable = 4<<11, RxReset = 5<<11, | |
447 | UpStall = 6<<11, UpUnstall = (6<<11)+1, | |
448 | DownStall = (6<<11)+2, DownUnstall = (6<<11)+3, | |
449 | RxDiscard = 8<<11, TxEnable = 9<<11, TxDisable = 10<<11, TxReset = 11<<11, | |
450 | FakeIntr = 12<<11, AckIntr = 13<<11, SetIntrEnb = 14<<11, | |
451 | SetStatusEnb = 15<<11, SetRxFilter = 16<<11, SetRxThreshold = 17<<11, | |
452 | SetTxThreshold = 18<<11, SetTxStart = 19<<11, | |
453 | StartDMAUp = 20<<11, StartDMADown = (20<<11)+1, StatsEnable = 21<<11, | |
454 | StatsDisable = 22<<11, StopCoax = 23<<11, SetFilterBit = 25<<11,}; | |
455 | ||
456 | /* The SetRxFilter command accepts the following classes: */ | |
457 | enum RxFilter { | |
458 | RxStation = 1, RxMulticast = 2, RxBroadcast = 4, RxProm = 8 }; | |
459 | ||
460 | /* Bits in the general status register. */ | |
461 | enum vortex_status { | |
462 | IntLatch = 0x0001, HostError = 0x0002, TxComplete = 0x0004, | |
463 | TxAvailable = 0x0008, RxComplete = 0x0010, RxEarly = 0x0020, | |
464 | IntReq = 0x0040, StatsFull = 0x0080, | |
465 | DMADone = 1<<8, DownComplete = 1<<9, UpComplete = 1<<10, | |
466 | DMAInProgress = 1<<11, /* DMA controller is still busy.*/ | |
467 | CmdInProgress = 1<<12, /* EL3_CMD is still busy.*/ | |
468 | }; | |
469 | ||
470 | /* Register window 1 offsets, the window used in normal operation. | |
471 | On the Vortex this window is always mapped at offsets 0x10-0x1f. */ | |
472 | enum Window1 { | |
473 | TX_FIFO = 0x10, RX_FIFO = 0x10, RxErrors = 0x14, | |
474 | RxStatus = 0x18, Timer=0x1A, TxStatus = 0x1B, | |
475 | TxFree = 0x1C, /* Remaining free bytes in Tx buffer. */ | |
476 | }; | |
477 | enum Window0 { | |
478 | Wn0EepromCmd = 10, /* Window 0: EEPROM command register. */ | |
479 | Wn0EepromData = 12, /* Window 0: EEPROM results register. */ | |
480 | IntrStatus=0x0E, /* Valid in all windows. */ | |
481 | }; | |
482 | enum Win0_EEPROM_bits { | |
483 | EEPROM_Read = 0x80, EEPROM_WRITE = 0x40, EEPROM_ERASE = 0xC0, | |
484 | EEPROM_EWENB = 0x30, /* Enable erasing/writing for 10 msec. */ | |
485 | EEPROM_EWDIS = 0x00, /* Disable EWENB before 10 msec timeout. */ | |
486 | }; | |
487 | /* EEPROM locations. */ | |
488 | enum eeprom_offset { | |
489 | PhysAddr01=0, PhysAddr23=1, PhysAddr45=2, ModelID=3, | |
490 | EtherLink3ID=7, IFXcvrIO=8, IRQLine=9, | |
491 | NodeAddr01=10, NodeAddr23=11, NodeAddr45=12, | |
492 | DriverTune=13, Checksum=15}; | |
493 | ||
494 | enum Window2 { /* Window 2. */ | |
495 | Wn2_ResetOptions=12, | |
496 | }; | |
497 | enum Window3 { /* Window 3: MAC/config bits. */ | |
498 | Wn3_Config=0, Wn3_MaxPktSize=4, Wn3_MAC_Ctrl=6, Wn3_Options=8, | |
499 | }; | |
500 | ||
501 | #define BFEXT(value, offset, bitcount) \ | |
502 | ((((unsigned long)(value)) >> (offset)) & ((1 << (bitcount)) - 1)) | |
503 | ||
504 | #define BFINS(lhs, rhs, offset, bitcount) \ | |
505 | (((lhs) & ~((((1 << (bitcount)) - 1)) << (offset))) | \ | |
506 | (((rhs) & ((1 << (bitcount)) - 1)) << (offset))) | |
507 | ||
508 | #define RAM_SIZE(v) BFEXT(v, 0, 3) | |
509 | #define RAM_WIDTH(v) BFEXT(v, 3, 1) | |
510 | #define RAM_SPEED(v) BFEXT(v, 4, 2) | |
511 | #define ROM_SIZE(v) BFEXT(v, 6, 2) | |
512 | #define RAM_SPLIT(v) BFEXT(v, 16, 2) | |
513 | #define XCVR(v) BFEXT(v, 20, 4) | |
514 | #define AUTOSELECT(v) BFEXT(v, 24, 1) | |
515 | ||
516 | enum Window4 { /* Window 4: Xcvr/media bits. */ | |
517 | Wn4_FIFODiag = 4, Wn4_NetDiag = 6, Wn4_PhysicalMgmt=8, Wn4_Media = 10, | |
518 | }; | |
519 | enum Win4_Media_bits { | |
520 | Media_SQE = 0x0008, /* Enable SQE error counting for AUI. */ | |
521 | Media_10TP = 0x00C0, /* Enable link beat and jabber for 10baseT. */ | |
522 | Media_Lnk = 0x0080, /* Enable just link beat for 100TX/100FX. */ | |
523 | Media_LnkBeat = 0x0800, | |
524 | }; | |
525 | enum Window7 { /* Window 7: Bus Master control. */ | |
526 | Wn7_MasterAddr = 0, Wn7_VlanEtherType=4, Wn7_MasterLen = 6, | |
527 | Wn7_MasterStatus = 12, | |
528 | }; | |
529 | /* Boomerang bus master control registers. */ | |
530 | enum MasterCtrl { | |
531 | PktStatus = 0x20, DownListPtr = 0x24, FragAddr = 0x28, FragLen = 0x2c, | |
532 | TxFreeThreshold = 0x2f, UpPktStatus = 0x30, UpListPtr = 0x38, | |
533 | }; | |
534 | ||
535 | /* The Rx and Tx descriptor lists. | |
536 | Caution Alpha hackers: these types are 32 bits! Note also the 8 byte | |
537 | alignment contraint on tx_ring[] and rx_ring[]. */ | |
538 | #define LAST_FRAG 0x80000000 /* Last Addr/Len pair in descriptor. */ | |
539 | #define DN_COMPLETE 0x00010000 /* This packet has been downloaded */ | |
540 | struct boom_rx_desc { | |
cc2d6596 AV |
541 | __le32 next; /* Last entry points to 0. */ |
542 | __le32 status; | |
543 | __le32 addr; /* Up to 63 addr/len pairs possible. */ | |
544 | __le32 length; /* Set LAST_FRAG to indicate last pair. */ | |
1da177e4 LT |
545 | }; |
546 | /* Values for the Rx status entry. */ | |
547 | enum rx_desc_status { | |
548 | RxDComplete=0x00008000, RxDError=0x4000, | |
549 | /* See boomerang_rx() for actual error bits */ | |
550 | IPChksumErr=1<<25, TCPChksumErr=1<<26, UDPChksumErr=1<<27, | |
551 | IPChksumValid=1<<29, TCPChksumValid=1<<30, UDPChksumValid=1<<31, | |
552 | }; | |
553 | ||
554 | #ifdef MAX_SKB_FRAGS | |
555 | #define DO_ZEROCOPY 1 | |
556 | #else | |
557 | #define DO_ZEROCOPY 0 | |
558 | #endif | |
559 | ||
560 | struct boom_tx_desc { | |
cc2d6596 AV |
561 | __le32 next; /* Last entry points to 0. */ |
562 | __le32 status; /* bits 0:12 length, others see below. */ | |
1da177e4 LT |
563 | #if DO_ZEROCOPY |
564 | struct { | |
cc2d6596 AV |
565 | __le32 addr; |
566 | __le32 length; | |
1da177e4 LT |
567 | } frag[1+MAX_SKB_FRAGS]; |
568 | #else | |
cc2d6596 AV |
569 | __le32 addr; |
570 | __le32 length; | |
1da177e4 LT |
571 | #endif |
572 | }; | |
573 | ||
574 | /* Values for the Tx status entry. */ | |
575 | enum tx_desc_status { | |
576 | CRCDisable=0x2000, TxDComplete=0x8000, | |
577 | AddIPChksum=0x02000000, AddTCPChksum=0x04000000, AddUDPChksum=0x08000000, | |
578 | TxIntrUploaded=0x80000000, /* IRQ when in FIFO, but maybe not sent. */ | |
579 | }; | |
580 | ||
581 | /* Chip features we care about in vp->capabilities, read from the EEPROM. */ | |
582 | enum ChipCaps { CapBusMaster=0x20, CapPwrMgmt=0x2000 }; | |
583 | ||
584 | struct vortex_extra_stats { | |
8d1d0340 SK |
585 | unsigned long tx_deferred; |
586 | unsigned long tx_max_collisions; | |
587 | unsigned long tx_multiple_collisions; | |
588 | unsigned long tx_single_collisions; | |
589 | unsigned long rx_bad_ssd; | |
1da177e4 LT |
590 | }; |
591 | ||
592 | struct vortex_private { | |
593 | /* The Rx and Tx rings should be quad-word-aligned. */ | |
594 | struct boom_rx_desc* rx_ring; | |
595 | struct boom_tx_desc* tx_ring; | |
596 | dma_addr_t rx_ring_dma; | |
597 | dma_addr_t tx_ring_dma; | |
598 | /* The addresses of transmit- and receive-in-place skbuffs. */ | |
599 | struct sk_buff* rx_skbuff[RX_RING_SIZE]; | |
600 | struct sk_buff* tx_skbuff[TX_RING_SIZE]; | |
601 | unsigned int cur_rx, cur_tx; /* The next free ring entry */ | |
602 | unsigned int dirty_rx, dirty_tx; /* The ring entries to be free()ed. */ | |
603 | struct net_device_stats stats; /* Generic stats */ | |
604 | struct vortex_extra_stats xstats; /* NIC-specific extra stats */ | |
605 | struct sk_buff *tx_skb; /* Packet being eaten by bus master ctrl. */ | |
606 | dma_addr_t tx_skb_dma; /* Allocated DMA address for bus master ctrl DMA. */ | |
607 | ||
608 | /* PCI configuration space information. */ | |
609 | struct device *gendev; | |
62afe595 JL |
610 | void __iomem *ioaddr; /* IO address space */ |
611 | void __iomem *cb_fn_base; /* CardBus function status addr space. */ | |
1da177e4 LT |
612 | |
613 | /* Some values here only for performance evaluation and path-coverage */ | |
614 | int rx_nocopy, rx_copy, queued_packet, rx_csumhits; | |
615 | int card_idx; | |
616 | ||
617 | /* The remainder are related to chip state, mostly media selection. */ | |
618 | struct timer_list timer; /* Media selection timer. */ | |
619 | struct timer_list rx_oom_timer; /* Rx skb allocation retry timer */ | |
620 | int options; /* User-settable misc. driver options. */ | |
621 | unsigned int media_override:4, /* Passed-in media type. */ | |
622 | default_media:4, /* Read from the EEPROM/Wn3_Config. */ | |
09ce3512 | 623 | full_duplex:1, autoselect:1, |
1da177e4 LT |
624 | bus_master:1, /* Vortex can only do a fragment bus-m. */ |
625 | full_bus_master_tx:1, full_bus_master_rx:2, /* Boomerang */ | |
626 | flow_ctrl:1, /* Use 802.3x flow control (PAUSE only) */ | |
627 | partner_flow_ctrl:1, /* Partner supports flow control */ | |
628 | has_nway:1, | |
629 | enable_wol:1, /* Wake-on-LAN is enabled */ | |
630 | pm_state_valid:1, /* pci_dev->saved_config_space has sane contents */ | |
631 | open:1, | |
632 | medialock:1, | |
633 | must_free_region:1, /* Flag: if zero, Cardbus owns the I/O region */ | |
634 | large_frames:1; /* accept large frames */ | |
635 | int drv_flags; | |
636 | u16 status_enable; | |
637 | u16 intr_enable; | |
638 | u16 available_media; /* From Wn3_Options. */ | |
639 | u16 capabilities, info1, info2; /* Various, from EEPROM. */ | |
640 | u16 advertising; /* NWay media advertisement */ | |
641 | unsigned char phys[2]; /* MII device addresses. */ | |
642 | u16 deferred; /* Resend these interrupts when we | |
643 | * bale from the ISR */ | |
644 | u16 io_size; /* Size of PCI region (for release_region) */ | |
645 | spinlock_t lock; /* Serialise access to device & its vortex_private */ | |
646 | struct mii_if_info mii; /* MII lib hooks/info */ | |
647 | }; | |
648 | ||
649 | #ifdef CONFIG_PCI | |
650 | #define DEVICE_PCI(dev) (((dev)->bus == &pci_bus_type) ? to_pci_dev((dev)) : NULL) | |
651 | #else | |
652 | #define DEVICE_PCI(dev) NULL | |
653 | #endif | |
654 | ||
655 | #define VORTEX_PCI(vp) (((vp)->gendev) ? DEVICE_PCI((vp)->gendev) : NULL) | |
656 | ||
657 | #ifdef CONFIG_EISA | |
658 | #define DEVICE_EISA(dev) (((dev)->bus == &eisa_bus_type) ? to_eisa_device((dev)) : NULL) | |
659 | #else | |
660 | #define DEVICE_EISA(dev) NULL | |
661 | #endif | |
662 | ||
663 | #define VORTEX_EISA(vp) (((vp)->gendev) ? DEVICE_EISA((vp)->gendev) : NULL) | |
664 | ||
665 | /* The action to take with a media selection timer tick. | |
666 | Note that we deviate from the 3Com order by checking 10base2 before AUI. | |
667 | */ | |
668 | enum xcvr_types { | |
669 | XCVR_10baseT=0, XCVR_AUI, XCVR_10baseTOnly, XCVR_10base2, XCVR_100baseTx, | |
670 | XCVR_100baseFx, XCVR_MII=6, XCVR_NWAY=8, XCVR_ExtMII=9, XCVR_Default=10, | |
671 | }; | |
672 | ||
f71e1309 | 673 | static const struct media_table { |
1da177e4 LT |
674 | char *name; |
675 | unsigned int media_bits:16, /* Bits to set in Wn4_Media register. */ | |
676 | mask:8, /* The transceiver-present bit in Wn3_Config.*/ | |
677 | next:8; /* The media type to try next. */ | |
678 | int wait; /* Time before we check media status. */ | |
679 | } media_tbl[] = { | |
680 | { "10baseT", Media_10TP,0x08, XCVR_10base2, (14*HZ)/10}, | |
681 | { "10Mbs AUI", Media_SQE, 0x20, XCVR_Default, (1*HZ)/10}, | |
682 | { "undefined", 0, 0x80, XCVR_10baseT, 10000}, | |
683 | { "10base2", 0, 0x10, XCVR_AUI, (1*HZ)/10}, | |
684 | { "100baseTX", Media_Lnk, 0x02, XCVR_100baseFx, (14*HZ)/10}, | |
685 | { "100baseFX", Media_Lnk, 0x04, XCVR_MII, (14*HZ)/10}, | |
686 | { "MII", 0, 0x41, XCVR_10baseT, 3*HZ }, | |
687 | { "undefined", 0, 0x01, XCVR_10baseT, 10000}, | |
688 | { "Autonegotiate", 0, 0x41, XCVR_10baseT, 3*HZ}, | |
689 | { "MII-External", 0, 0x41, XCVR_10baseT, 3*HZ }, | |
690 | { "Default", 0, 0xFF, XCVR_10baseT, 10000}, | |
691 | }; | |
692 | ||
693 | static struct { | |
694 | const char str[ETH_GSTRING_LEN]; | |
695 | } ethtool_stats_keys[] = { | |
696 | { "tx_deferred" }, | |
8d1d0340 | 697 | { "tx_max_collisions" }, |
1da177e4 | 698 | { "tx_multiple_collisions" }, |
8d1d0340 | 699 | { "tx_single_collisions" }, |
1da177e4 LT |
700 | { "rx_bad_ssd" }, |
701 | }; | |
702 | ||
703 | /* number of ETHTOOL_GSTATS u64's */ | |
8d1d0340 | 704 | #define VORTEX_NUM_STATS 5 |
1da177e4 | 705 | |
62afe595 | 706 | static int vortex_probe1(struct device *gendev, void __iomem *ioaddr, int irq, |
1da177e4 | 707 | int chip_idx, int card_idx); |
c8303d10 | 708 | static int vortex_up(struct net_device *dev); |
1da177e4 LT |
709 | static void vortex_down(struct net_device *dev, int final); |
710 | static int vortex_open(struct net_device *dev); | |
62afe595 | 711 | static void mdio_sync(void __iomem *ioaddr, int bits); |
1da177e4 LT |
712 | static int mdio_read(struct net_device *dev, int phy_id, int location); |
713 | static void mdio_write(struct net_device *vp, int phy_id, int location, int value); | |
714 | static void vortex_timer(unsigned long arg); | |
715 | static void rx_oom_timer(unsigned long arg); | |
716 | static int vortex_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
717 | static int boomerang_start_xmit(struct sk_buff *skb, struct net_device *dev); | |
718 | static int vortex_rx(struct net_device *dev); | |
719 | static int boomerang_rx(struct net_device *dev); | |
7d12e780 DH |
720 | static irqreturn_t vortex_interrupt(int irq, void *dev_id); |
721 | static irqreturn_t boomerang_interrupt(int irq, void *dev_id); | |
1da177e4 LT |
722 | static int vortex_close(struct net_device *dev); |
723 | static void dump_tx_ring(struct net_device *dev); | |
62afe595 | 724 | static void update_stats(void __iomem *ioaddr, struct net_device *dev); |
1da177e4 LT |
725 | static struct net_device_stats *vortex_get_stats(struct net_device *dev); |
726 | static void set_rx_mode(struct net_device *dev); | |
727 | #ifdef CONFIG_PCI | |
728 | static int vortex_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); | |
729 | #endif | |
730 | static void vortex_tx_timeout(struct net_device *dev); | |
731 | static void acpi_set_WOL(struct net_device *dev); | |
7282d491 | 732 | static const struct ethtool_ops vortex_ethtool_ops; |
1da177e4 LT |
733 | static void set_8021q_mode(struct net_device *dev, int enable); |
734 | ||
1da177e4 LT |
735 | /* This driver uses 'options' to pass the media type, full-duplex flag, etc. */ |
736 | /* Option count limit only -- unlimited interfaces are supported. */ | |
737 | #define MAX_UNITS 8 | |
9954ab7f JL |
738 | static int options[MAX_UNITS] = { [0 ... MAX_UNITS-1] = -1 }; |
739 | static int full_duplex[MAX_UNITS] = {[0 ... MAX_UNITS-1] = -1 }; | |
740 | static int hw_checksums[MAX_UNITS] = {[0 ... MAX_UNITS-1] = -1 }; | |
741 | static int flow_ctrl[MAX_UNITS] = {[0 ... MAX_UNITS-1] = -1 }; | |
742 | static int enable_wol[MAX_UNITS] = {[0 ... MAX_UNITS-1] = -1 }; | |
900fd17d | 743 | static int use_mmio[MAX_UNITS] = {[0 ... MAX_UNITS-1] = -1 }; |
1da177e4 LT |
744 | static int global_options = -1; |
745 | static int global_full_duplex = -1; | |
746 | static int global_enable_wol = -1; | |
900fd17d | 747 | static int global_use_mmio = -1; |
1da177e4 | 748 | |
1da177e4 LT |
749 | /* Variables to work-around the Compaq PCI BIOS32 problem. */ |
750 | static int compaq_ioaddr, compaq_irq, compaq_device_id = 0x5900; | |
751 | static struct net_device *compaq_net_device; | |
752 | ||
753 | static int vortex_cards_found; | |
754 | ||
755 | module_param(debug, int, 0); | |
756 | module_param(global_options, int, 0); | |
757 | module_param_array(options, int, NULL, 0); | |
758 | module_param(global_full_duplex, int, 0); | |
759 | module_param_array(full_duplex, int, NULL, 0); | |
760 | module_param_array(hw_checksums, int, NULL, 0); | |
761 | module_param_array(flow_ctrl, int, NULL, 0); | |
762 | module_param(global_enable_wol, int, 0); | |
763 | module_param_array(enable_wol, int, NULL, 0); | |
764 | module_param(rx_copybreak, int, 0); | |
765 | module_param(max_interrupt_work, int, 0); | |
766 | module_param(compaq_ioaddr, int, 0); | |
767 | module_param(compaq_irq, int, 0); | |
768 | module_param(compaq_device_id, int, 0); | |
769 | module_param(watchdog, int, 0); | |
900fd17d JL |
770 | module_param(global_use_mmio, int, 0); |
771 | module_param_array(use_mmio, int, NULL, 0); | |
1da177e4 LT |
772 | MODULE_PARM_DESC(debug, "3c59x debug level (0-6)"); |
773 | MODULE_PARM_DESC(options, "3c59x: Bits 0-3: media type, bit 4: bus mastering, bit 9: full duplex"); | |
774 | MODULE_PARM_DESC(global_options, "3c59x: same as options, but applies to all NICs if options is unset"); | |
775 | MODULE_PARM_DESC(full_duplex, "3c59x full duplex setting(s) (1)"); | |
46e5e4a8 | 776 | MODULE_PARM_DESC(global_full_duplex, "3c59x: same as full_duplex, but applies to all NICs if full_duplex is unset"); |
1da177e4 LT |
777 | MODULE_PARM_DESC(hw_checksums, "3c59x Hardware checksum checking by adapter(s) (0-1)"); |
778 | MODULE_PARM_DESC(flow_ctrl, "3c59x 802.3x flow control usage (PAUSE only) (0-1)"); | |
779 | MODULE_PARM_DESC(enable_wol, "3c59x: Turn on Wake-on-LAN for adapter(s) (0-1)"); | |
46e5e4a8 | 780 | MODULE_PARM_DESC(global_enable_wol, "3c59x: same as enable_wol, but applies to all NICs if enable_wol is unset"); |
1da177e4 LT |
781 | MODULE_PARM_DESC(rx_copybreak, "3c59x copy breakpoint for copy-only-tiny-frames"); |
782 | MODULE_PARM_DESC(max_interrupt_work, "3c59x maximum events handled per interrupt"); | |
783 | MODULE_PARM_DESC(compaq_ioaddr, "3c59x PCI I/O base address (Compaq BIOS problem workaround)"); | |
784 | MODULE_PARM_DESC(compaq_irq, "3c59x PCI IRQ number (Compaq BIOS problem workaround)"); | |
785 | MODULE_PARM_DESC(compaq_device_id, "3c59x PCI device ID (Compaq BIOS problem workaround)"); | |
786 | MODULE_PARM_DESC(watchdog, "3c59x transmit timeout in milliseconds"); | |
900fd17d JL |
787 | MODULE_PARM_DESC(global_use_mmio, "3c59x: same as use_mmio, but applies to all NICs if options is unset"); |
788 | MODULE_PARM_DESC(use_mmio, "3c59x: use memory-mapped PCI I/O resource (0-1)"); | |
1da177e4 LT |
789 | |
790 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
791 | static void poll_vortex(struct net_device *dev) | |
792 | { | |
793 | struct vortex_private *vp = netdev_priv(dev); | |
794 | unsigned long flags; | |
0d38ff1d | 795 | local_irq_save(flags); |
7d12e780 | 796 | (vp->full_bus_master_rx ? boomerang_interrupt:vortex_interrupt)(dev->irq,dev); |
1da177e4 | 797 | local_irq_restore(flags); |
6aa20a22 | 798 | } |
1da177e4 LT |
799 | #endif |
800 | ||
801 | #ifdef CONFIG_PM | |
802 | ||
a880c4cd | 803 | static int vortex_suspend(struct pci_dev *pdev, pm_message_t state) |
1da177e4 LT |
804 | { |
805 | struct net_device *dev = pci_get_drvdata(pdev); | |
806 | ||
807 | if (dev && dev->priv) { | |
808 | if (netif_running(dev)) { | |
809 | netif_device_detach(dev); | |
810 | vortex_down(dev, 1); | |
811 | } | |
5b039e68 RW |
812 | pci_save_state(pdev); |
813 | pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); | |
814 | free_irq(dev->irq, dev); | |
815 | pci_disable_device(pdev); | |
816 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
1da177e4 LT |
817 | } |
818 | return 0; | |
819 | } | |
820 | ||
a880c4cd | 821 | static int vortex_resume(struct pci_dev *pdev) |
1da177e4 LT |
822 | { |
823 | struct net_device *dev = pci_get_drvdata(pdev); | |
5b039e68 | 824 | struct vortex_private *vp = netdev_priv(dev); |
e1265153 | 825 | int err; |
1da177e4 | 826 | |
5b039e68 RW |
827 | if (dev && vp) { |
828 | pci_set_power_state(pdev, PCI_D0); | |
829 | pci_restore_state(pdev); | |
e1265153 DM |
830 | err = pci_enable_device(pdev); |
831 | if (err) { | |
832 | printk(KERN_WARNING "%s: Could not enable device \n", | |
833 | dev->name); | |
834 | return err; | |
835 | } | |
5b039e68 RW |
836 | pci_set_master(pdev); |
837 | if (request_irq(dev->irq, vp->full_bus_master_rx ? | |
1fb9df5d | 838 | &boomerang_interrupt : &vortex_interrupt, IRQF_SHARED, dev->name, dev)) { |
5b039e68 RW |
839 | printk(KERN_WARNING "%s: Could not reserve IRQ %d\n", dev->name, dev->irq); |
840 | pci_disable_device(pdev); | |
841 | return -EBUSY; | |
842 | } | |
1da177e4 | 843 | if (netif_running(dev)) { |
c8303d10 MH |
844 | err = vortex_up(dev); |
845 | if (err) | |
846 | return err; | |
847 | else | |
848 | netif_device_attach(dev); | |
1da177e4 LT |
849 | } |
850 | } | |
851 | return 0; | |
852 | } | |
853 | ||
854 | #endif /* CONFIG_PM */ | |
855 | ||
856 | #ifdef CONFIG_EISA | |
857 | static struct eisa_device_id vortex_eisa_ids[] = { | |
858 | { "TCM5920", CH_3C592 }, | |
859 | { "TCM5970", CH_3C597 }, | |
860 | { "" } | |
861 | }; | |
07563c71 | 862 | MODULE_DEVICE_TABLE(eisa, vortex_eisa_ids); |
1da177e4 | 863 | |
95c408a9 | 864 | static int __init vortex_eisa_probe(struct device *device) |
1da177e4 | 865 | { |
62afe595 | 866 | void __iomem *ioaddr; |
1da177e4 LT |
867 | struct eisa_device *edev; |
868 | ||
a880c4cd | 869 | edev = to_eisa_device(device); |
1da177e4 | 870 | |
62afe595 | 871 | if (!request_region(edev->base_addr, VORTEX_TOTAL_SIZE, DRV_NAME)) |
1da177e4 LT |
872 | return -EBUSY; |
873 | ||
62afe595 JL |
874 | ioaddr = ioport_map(edev->base_addr, VORTEX_TOTAL_SIZE); |
875 | ||
876 | if (vortex_probe1(device, ioaddr, ioread16(ioaddr + 0xC88) >> 12, | |
1da177e4 | 877 | edev->id.driver_data, vortex_cards_found)) { |
a880c4cd | 878 | release_region(edev->base_addr, VORTEX_TOTAL_SIZE); |
1da177e4 LT |
879 | return -ENODEV; |
880 | } | |
881 | ||
882 | vortex_cards_found++; | |
883 | ||
884 | return 0; | |
885 | } | |
886 | ||
95c408a9 | 887 | static int __devexit vortex_eisa_remove(struct device *device) |
1da177e4 LT |
888 | { |
889 | struct eisa_device *edev; | |
890 | struct net_device *dev; | |
891 | struct vortex_private *vp; | |
62afe595 | 892 | void __iomem *ioaddr; |
1da177e4 | 893 | |
a880c4cd SK |
894 | edev = to_eisa_device(device); |
895 | dev = eisa_get_drvdata(edev); | |
1da177e4 LT |
896 | |
897 | if (!dev) { | |
898 | printk("vortex_eisa_remove called for Compaq device!\n"); | |
899 | BUG(); | |
900 | } | |
901 | ||
902 | vp = netdev_priv(dev); | |
62afe595 | 903 | ioaddr = vp->ioaddr; |
6aa20a22 | 904 | |
a880c4cd SK |
905 | unregister_netdev(dev); |
906 | iowrite16(TotalReset|0x14, ioaddr + EL3_CMD); | |
907 | release_region(dev->base_addr, VORTEX_TOTAL_SIZE); | |
1da177e4 | 908 | |
a880c4cd | 909 | free_netdev(dev); |
1da177e4 LT |
910 | return 0; |
911 | } | |
95c408a9 RB |
912 | |
913 | static struct eisa_driver vortex_eisa_driver = { | |
914 | .id_table = vortex_eisa_ids, | |
915 | .driver = { | |
916 | .name = "3c59x", | |
917 | .probe = vortex_eisa_probe, | |
918 | .remove = __devexit_p(vortex_eisa_remove) | |
919 | } | |
920 | }; | |
921 | ||
922 | #endif /* CONFIG_EISA */ | |
1da177e4 LT |
923 | |
924 | /* returns count found (>= 0), or negative on error */ | |
a880c4cd | 925 | static int __init vortex_eisa_init(void) |
1da177e4 LT |
926 | { |
927 | int eisa_found = 0; | |
928 | int orig_cards_found = vortex_cards_found; | |
929 | ||
930 | #ifdef CONFIG_EISA | |
c2f6fabb BH |
931 | int err; |
932 | ||
933 | err = eisa_driver_register (&vortex_eisa_driver); | |
934 | if (!err) { | |
935 | /* | |
936 | * Because of the way EISA bus is probed, we cannot assume | |
937 | * any device have been found when we exit from | |
938 | * eisa_driver_register (the bus root driver may not be | |
939 | * initialized yet). So we blindly assume something was | |
940 | * found, and let the sysfs magic happend... | |
941 | */ | |
942 | eisa_found = 1; | |
1da177e4 LT |
943 | } |
944 | #endif | |
6aa20a22 | 945 | |
1da177e4 LT |
946 | /* Special code to work-around the Compaq PCI BIOS32 problem. */ |
947 | if (compaq_ioaddr) { | |
62afe595 JL |
948 | vortex_probe1(NULL, ioport_map(compaq_ioaddr, VORTEX_TOTAL_SIZE), |
949 | compaq_irq, compaq_device_id, vortex_cards_found++); | |
1da177e4 LT |
950 | } |
951 | ||
952 | return vortex_cards_found - orig_cards_found + eisa_found; | |
953 | } | |
954 | ||
955 | /* returns count (>= 0), or negative on error */ | |
a880c4cd | 956 | static int __devinit vortex_init_one(struct pci_dev *pdev, |
1da177e4 LT |
957 | const struct pci_device_id *ent) |
958 | { | |
900fd17d JL |
959 | int rc, unit, pci_bar; |
960 | struct vortex_chip_info *vci; | |
961 | void __iomem *ioaddr; | |
1da177e4 | 962 | |
6aa20a22 | 963 | /* wake up and enable device */ |
a880c4cd | 964 | rc = pci_enable_device(pdev); |
1da177e4 LT |
965 | if (rc < 0) |
966 | goto out; | |
967 | ||
900fd17d JL |
968 | unit = vortex_cards_found; |
969 | ||
970 | if (global_use_mmio < 0 && (unit >= MAX_UNITS || use_mmio[unit] < 0)) { | |
971 | /* Determine the default if the user didn't override us */ | |
972 | vci = &vortex_info_tbl[ent->driver_data]; | |
973 | pci_bar = vci->drv_flags & (IS_CYCLONE | IS_TORNADO) ? 1 : 0; | |
974 | } else if (unit < MAX_UNITS && use_mmio[unit] >= 0) | |
975 | pci_bar = use_mmio[unit] ? 1 : 0; | |
976 | else | |
977 | pci_bar = global_use_mmio ? 1 : 0; | |
978 | ||
979 | ioaddr = pci_iomap(pdev, pci_bar, 0); | |
980 | if (!ioaddr) /* If mapping fails, fall-back to BAR 0... */ | |
981 | ioaddr = pci_iomap(pdev, 0, 0); | |
982 | ||
983 | rc = vortex_probe1(&pdev->dev, ioaddr, pdev->irq, | |
984 | ent->driver_data, unit); | |
1da177e4 | 985 | if (rc < 0) { |
a880c4cd | 986 | pci_disable_device(pdev); |
1da177e4 LT |
987 | goto out; |
988 | } | |
989 | ||
990 | vortex_cards_found++; | |
991 | ||
992 | out: | |
993 | return rc; | |
994 | } | |
995 | ||
996 | /* | |
997 | * Start up the PCI/EISA device which is described by *gendev. | |
998 | * Return 0 on success. | |
999 | * | |
1000 | * NOTE: pdev can be NULL, for the case of a Compaq device | |
1001 | */ | |
1002 | static int __devinit vortex_probe1(struct device *gendev, | |
62afe595 | 1003 | void __iomem *ioaddr, int irq, |
1da177e4 LT |
1004 | int chip_idx, int card_idx) |
1005 | { | |
1006 | struct vortex_private *vp; | |
1007 | int option; | |
1008 | unsigned int eeprom[0x40], checksum = 0; /* EEPROM contents */ | |
1009 | int i, step; | |
1010 | struct net_device *dev; | |
1011 | static int printed_version; | |
1012 | int retval, print_info; | |
1013 | struct vortex_chip_info * const vci = &vortex_info_tbl[chip_idx]; | |
1014 | char *print_name = "3c59x"; | |
1015 | struct pci_dev *pdev = NULL; | |
1016 | struct eisa_device *edev = NULL; | |
0795af57 | 1017 | DECLARE_MAC_BUF(mac); |
1da177e4 LT |
1018 | |
1019 | if (!printed_version) { | |
1020 | printk (version); | |
1021 | printed_version = 1; | |
1022 | } | |
1023 | ||
1024 | if (gendev) { | |
1025 | if ((pdev = DEVICE_PCI(gendev))) { | |
1026 | print_name = pci_name(pdev); | |
1027 | } | |
1028 | ||
1029 | if ((edev = DEVICE_EISA(gendev))) { | |
1030 | print_name = edev->dev.bus_id; | |
1031 | } | |
1032 | } | |
1033 | ||
1034 | dev = alloc_etherdev(sizeof(*vp)); | |
1035 | retval = -ENOMEM; | |
1036 | if (!dev) { | |
1037 | printk (KERN_ERR PFX "unable to allocate etherdev, aborting\n"); | |
1038 | goto out; | |
1039 | } | |
1da177e4 LT |
1040 | SET_NETDEV_DEV(dev, gendev); |
1041 | vp = netdev_priv(dev); | |
1042 | ||
1043 | option = global_options; | |
1044 | ||
1045 | /* The lower four bits are the media type. */ | |
1046 | if (dev->mem_start) { | |
1047 | /* | |
1048 | * The 'options' param is passed in as the third arg to the | |
1049 | * LILO 'ether=' argument for non-modular use | |
1050 | */ | |
1051 | option = dev->mem_start; | |
1052 | } | |
1053 | else if (card_idx < MAX_UNITS) { | |
1054 | if (options[card_idx] >= 0) | |
1055 | option = options[card_idx]; | |
1056 | } | |
1057 | ||
1058 | if (option > 0) { | |
1059 | if (option & 0x8000) | |
1060 | vortex_debug = 7; | |
1061 | if (option & 0x4000) | |
1062 | vortex_debug = 2; | |
1063 | if (option & 0x0400) | |
1064 | vp->enable_wol = 1; | |
1065 | } | |
1066 | ||
1067 | print_info = (vortex_debug > 1); | |
1068 | if (print_info) | |
1069 | printk (KERN_INFO "See Documentation/networking/vortex.txt\n"); | |
1070 | ||
61238602 | 1071 | printk(KERN_INFO "%s: 3Com %s %s at %p.\n", |
1da177e4 LT |
1072 | print_name, |
1073 | pdev ? "PCI" : "EISA", | |
1074 | vci->name, | |
1075 | ioaddr); | |
1076 | ||
62afe595 | 1077 | dev->base_addr = (unsigned long)ioaddr; |
1da177e4 LT |
1078 | dev->irq = irq; |
1079 | dev->mtu = mtu; | |
62afe595 | 1080 | vp->ioaddr = ioaddr; |
1da177e4 LT |
1081 | vp->large_frames = mtu > 1500; |
1082 | vp->drv_flags = vci->drv_flags; | |
1083 | vp->has_nway = (vci->drv_flags & HAS_NWAY) ? 1 : 0; | |
1084 | vp->io_size = vci->io_size; | |
1085 | vp->card_idx = card_idx; | |
1086 | ||
1087 | /* module list only for Compaq device */ | |
1088 | if (gendev == NULL) { | |
1089 | compaq_net_device = dev; | |
1090 | } | |
1091 | ||
1092 | /* PCI-only startup logic */ | |
1093 | if (pdev) { | |
1094 | /* EISA resources already marked, so only PCI needs to do this here */ | |
1095 | /* Ignore return value, because Cardbus drivers already allocate for us */ | |
62afe595 | 1096 | if (request_region(dev->base_addr, vci->io_size, print_name) != NULL) |
1da177e4 LT |
1097 | vp->must_free_region = 1; |
1098 | ||
6aa20a22 | 1099 | /* enable bus-mastering if necessary */ |
1da177e4 | 1100 | if (vci->flags & PCI_USES_MASTER) |
a880c4cd | 1101 | pci_set_master(pdev); |
1da177e4 LT |
1102 | |
1103 | if (vci->drv_flags & IS_VORTEX) { | |
1104 | u8 pci_latency; | |
1105 | u8 new_latency = 248; | |
1106 | ||
1107 | /* Check the PCI latency value. On the 3c590 series the latency timer | |
1108 | must be set to the maximum value to avoid data corruption that occurs | |
1109 | when the timer expires during a transfer. This bug exists the Vortex | |
1110 | chip only. */ | |
1111 | pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency); | |
1112 | if (pci_latency < new_latency) { | |
1113 | printk(KERN_INFO "%s: Overriding PCI latency" | |
1114 | " timer (CFLT) setting of %d, new value is %d.\n", | |
1115 | print_name, pci_latency, new_latency); | |
1116 | pci_write_config_byte(pdev, PCI_LATENCY_TIMER, new_latency); | |
1117 | } | |
1118 | } | |
1119 | } | |
1120 | ||
1121 | spin_lock_init(&vp->lock); | |
1122 | vp->gendev = gendev; | |
1123 | vp->mii.dev = dev; | |
1124 | vp->mii.mdio_read = mdio_read; | |
1125 | vp->mii.mdio_write = mdio_write; | |
1126 | vp->mii.phy_id_mask = 0x1f; | |
1127 | vp->mii.reg_num_mask = 0x1f; | |
1128 | ||
1129 | /* Makes sure rings are at least 16 byte aligned. */ | |
1130 | vp->rx_ring = pci_alloc_consistent(pdev, sizeof(struct boom_rx_desc) * RX_RING_SIZE | |
1131 | + sizeof(struct boom_tx_desc) * TX_RING_SIZE, | |
1132 | &vp->rx_ring_dma); | |
1133 | retval = -ENOMEM; | |
cc2d6596 | 1134 | if (!vp->rx_ring) |
1da177e4 LT |
1135 | goto free_region; |
1136 | ||
1137 | vp->tx_ring = (struct boom_tx_desc *)(vp->rx_ring + RX_RING_SIZE); | |
1138 | vp->tx_ring_dma = vp->rx_ring_dma + sizeof(struct boom_rx_desc) * RX_RING_SIZE; | |
1139 | ||
1140 | /* if we are a PCI driver, we store info in pdev->driver_data | |
6aa20a22 | 1141 | * instead of a module list */ |
1da177e4 LT |
1142 | if (pdev) |
1143 | pci_set_drvdata(pdev, dev); | |
1144 | if (edev) | |
a880c4cd | 1145 | eisa_set_drvdata(edev, dev); |
1da177e4 LT |
1146 | |
1147 | vp->media_override = 7; | |
1148 | if (option >= 0) { | |
1149 | vp->media_override = ((option & 7) == 2) ? 0 : option & 15; | |
1150 | if (vp->media_override != 7) | |
1151 | vp->medialock = 1; | |
1152 | vp->full_duplex = (option & 0x200) ? 1 : 0; | |
1153 | vp->bus_master = (option & 16) ? 1 : 0; | |
1154 | } | |
1155 | ||
1156 | if (global_full_duplex > 0) | |
1157 | vp->full_duplex = 1; | |
1158 | if (global_enable_wol > 0) | |
1159 | vp->enable_wol = 1; | |
1160 | ||
1161 | if (card_idx < MAX_UNITS) { | |
1162 | if (full_duplex[card_idx] > 0) | |
1163 | vp->full_duplex = 1; | |
1164 | if (flow_ctrl[card_idx] > 0) | |
1165 | vp->flow_ctrl = 1; | |
1166 | if (enable_wol[card_idx] > 0) | |
1167 | vp->enable_wol = 1; | |
1168 | } | |
1169 | ||
125d5ce8 | 1170 | vp->mii.force_media = vp->full_duplex; |
1da177e4 LT |
1171 | vp->options = option; |
1172 | /* Read the station address from the EEPROM. */ | |
1173 | EL3WINDOW(0); | |
1174 | { | |
1175 | int base; | |
1176 | ||
1177 | if (vci->drv_flags & EEPROM_8BIT) | |
1178 | base = 0x230; | |
1179 | else if (vci->drv_flags & EEPROM_OFFSET) | |
1180 | base = EEPROM_Read + 0x30; | |
1181 | else | |
1182 | base = EEPROM_Read; | |
1183 | ||
1184 | for (i = 0; i < 0x40; i++) { | |
1185 | int timer; | |
62afe595 | 1186 | iowrite16(base + i, ioaddr + Wn0EepromCmd); |
1da177e4 LT |
1187 | /* Pause for at least 162 us. for the read to take place. */ |
1188 | for (timer = 10; timer >= 0; timer--) { | |
1189 | udelay(162); | |
62afe595 | 1190 | if ((ioread16(ioaddr + Wn0EepromCmd) & 0x8000) == 0) |
1da177e4 LT |
1191 | break; |
1192 | } | |
62afe595 | 1193 | eeprom[i] = ioread16(ioaddr + Wn0EepromData); |
1da177e4 LT |
1194 | } |
1195 | } | |
1196 | for (i = 0; i < 0x18; i++) | |
1197 | checksum ^= eeprom[i]; | |
1198 | checksum = (checksum ^ (checksum >> 8)) & 0xff; | |
1199 | if (checksum != 0x00) { /* Grrr, needless incompatible change 3Com. */ | |
1200 | while (i < 0x21) | |
1201 | checksum ^= eeprom[i++]; | |
1202 | checksum = (checksum ^ (checksum >> 8)) & 0xff; | |
1203 | } | |
1204 | if ((checksum != 0x00) && !(vci->drv_flags & IS_TORNADO)) | |
1205 | printk(" ***INVALID CHECKSUM %4.4x*** ", checksum); | |
1206 | for (i = 0; i < 3; i++) | |
cc2d6596 | 1207 | ((__be16 *)dev->dev_addr)[i] = htons(eeprom[i + 10]); |
bb531fc0 | 1208 | memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len); |
0795af57 JP |
1209 | if (print_info) |
1210 | printk(" %s", print_mac(mac, dev->dev_addr)); | |
1da177e4 LT |
1211 | /* Unfortunately an all zero eeprom passes the checksum and this |
1212 | gets found in the wild in failure cases. Crypto is hard 8) */ | |
1213 | if (!is_valid_ether_addr(dev->dev_addr)) { | |
1214 | retval = -EINVAL; | |
1215 | printk(KERN_ERR "*** EEPROM MAC address is invalid.\n"); | |
1216 | goto free_ring; /* With every pack */ | |
1217 | } | |
1218 | EL3WINDOW(2); | |
1219 | for (i = 0; i < 6; i++) | |
62afe595 | 1220 | iowrite8(dev->dev_addr[i], ioaddr + i); |
1da177e4 | 1221 | |
1da177e4 LT |
1222 | if (print_info) |
1223 | printk(", IRQ %d\n", dev->irq); | |
1224 | /* Tell them about an invalid IRQ. */ | |
1225 | if (dev->irq <= 0 || dev->irq >= NR_IRQS) | |
1226 | printk(KERN_WARNING " *** Warning: IRQ %d is unlikely to work! ***\n", | |
1227 | dev->irq); | |
1da177e4 LT |
1228 | |
1229 | EL3WINDOW(4); | |
62afe595 | 1230 | step = (ioread8(ioaddr + Wn4_NetDiag) & 0x1e) >> 1; |
1da177e4 LT |
1231 | if (print_info) { |
1232 | printk(KERN_INFO " product code %02x%02x rev %02x.%d date %02d-" | |
1233 | "%02d-%02d\n", eeprom[6]&0xff, eeprom[6]>>8, eeprom[0x14], | |
1234 | step, (eeprom[4]>>5) & 15, eeprom[4] & 31, eeprom[4]>>9); | |
1235 | } | |
1236 | ||
1237 | ||
1238 | if (pdev && vci->drv_flags & HAS_CB_FNS) { | |
1da177e4 LT |
1239 | unsigned short n; |
1240 | ||
62afe595 JL |
1241 | vp->cb_fn_base = pci_iomap(pdev, 2, 0); |
1242 | if (!vp->cb_fn_base) { | |
1da177e4 | 1243 | retval = -ENOMEM; |
62afe595 | 1244 | goto free_ring; |
1da177e4 | 1245 | } |
62afe595 | 1246 | |
1da177e4 | 1247 | if (print_info) { |
7c7459d1 GKH |
1248 | printk(KERN_INFO "%s: CardBus functions mapped " |
1249 | "%16.16llx->%p\n", | |
1250 | print_name, | |
1251 | (unsigned long long)pci_resource_start(pdev, 2), | |
62afe595 | 1252 | vp->cb_fn_base); |
1da177e4 LT |
1253 | } |
1254 | EL3WINDOW(2); | |
1255 | ||
62afe595 | 1256 | n = ioread16(ioaddr + Wn2_ResetOptions) & ~0x4010; |
1da177e4 LT |
1257 | if (vp->drv_flags & INVERT_LED_PWR) |
1258 | n |= 0x10; | |
1259 | if (vp->drv_flags & INVERT_MII_PWR) | |
1260 | n |= 0x4000; | |
62afe595 | 1261 | iowrite16(n, ioaddr + Wn2_ResetOptions); |
1da177e4 LT |
1262 | if (vp->drv_flags & WNO_XCVR_PWR) { |
1263 | EL3WINDOW(0); | |
62afe595 | 1264 | iowrite16(0x0800, ioaddr); |
1da177e4 LT |
1265 | } |
1266 | } | |
1267 | ||
1268 | /* Extract our information from the EEPROM data. */ | |
1269 | vp->info1 = eeprom[13]; | |
1270 | vp->info2 = eeprom[15]; | |
1271 | vp->capabilities = eeprom[16]; | |
1272 | ||
1273 | if (vp->info1 & 0x8000) { | |
1274 | vp->full_duplex = 1; | |
1275 | if (print_info) | |
1276 | printk(KERN_INFO "Full duplex capable\n"); | |
1277 | } | |
1278 | ||
1279 | { | |
f71e1309 | 1280 | static const char * const ram_split[] = {"5:3", "3:1", "1:1", "3:5"}; |
1da177e4 LT |
1281 | unsigned int config; |
1282 | EL3WINDOW(3); | |
62afe595 | 1283 | vp->available_media = ioread16(ioaddr + Wn3_Options); |
1da177e4 LT |
1284 | if ((vp->available_media & 0xff) == 0) /* Broken 3c916 */ |
1285 | vp->available_media = 0x40; | |
62afe595 | 1286 | config = ioread32(ioaddr + Wn3_Config); |
1da177e4 LT |
1287 | if (print_info) { |
1288 | printk(KERN_DEBUG " Internal config register is %4.4x, " | |
62afe595 | 1289 | "transceivers %#x.\n", config, ioread16(ioaddr + Wn3_Options)); |
1da177e4 LT |
1290 | printk(KERN_INFO " %dK %s-wide RAM %s Rx:Tx split, %s%s interface.\n", |
1291 | 8 << RAM_SIZE(config), | |
1292 | RAM_WIDTH(config) ? "word" : "byte", | |
1293 | ram_split[RAM_SPLIT(config)], | |
1294 | AUTOSELECT(config) ? "autoselect/" : "", | |
1295 | XCVR(config) > XCVR_ExtMII ? "<invalid transceiver>" : | |
1296 | media_tbl[XCVR(config)].name); | |
1297 | } | |
1298 | vp->default_media = XCVR(config); | |
1299 | if (vp->default_media == XCVR_NWAY) | |
1300 | vp->has_nway = 1; | |
1301 | vp->autoselect = AUTOSELECT(config); | |
1302 | } | |
1303 | ||
1304 | if (vp->media_override != 7) { | |
1305 | printk(KERN_INFO "%s: Media override to transceiver type %d (%s).\n", | |
1306 | print_name, vp->media_override, | |
1307 | media_tbl[vp->media_override].name); | |
1308 | dev->if_port = vp->media_override; | |
1309 | } else | |
1310 | dev->if_port = vp->default_media; | |
1311 | ||
1312 | if ((vp->available_media & 0x40) || (vci->drv_flags & HAS_NWAY) || | |
1313 | dev->if_port == XCVR_MII || dev->if_port == XCVR_NWAY) { | |
1314 | int phy, phy_idx = 0; | |
1315 | EL3WINDOW(4); | |
1316 | mii_preamble_required++; | |
1317 | if (vp->drv_flags & EXTRA_PREAMBLE) | |
1318 | mii_preamble_required++; | |
1319 | mdio_sync(ioaddr, 32); | |
106427e6 | 1320 | mdio_read(dev, 24, MII_BMSR); |
1da177e4 LT |
1321 | for (phy = 0; phy < 32 && phy_idx < 1; phy++) { |
1322 | int mii_status, phyx; | |
1323 | ||
1324 | /* | |
1325 | * For the 3c905CX we look at index 24 first, because it bogusly | |
1326 | * reports an external PHY at all indices | |
1327 | */ | |
1328 | if (phy == 0) | |
1329 | phyx = 24; | |
1330 | else if (phy <= 24) | |
1331 | phyx = phy - 1; | |
1332 | else | |
1333 | phyx = phy; | |
106427e6 | 1334 | mii_status = mdio_read(dev, phyx, MII_BMSR); |
1da177e4 LT |
1335 | if (mii_status && mii_status != 0xffff) { |
1336 | vp->phys[phy_idx++] = phyx; | |
1337 | if (print_info) { | |
1338 | printk(KERN_INFO " MII transceiver found at address %d," | |
1339 | " status %4x.\n", phyx, mii_status); | |
1340 | } | |
1341 | if ((mii_status & 0x0040) == 0) | |
1342 | mii_preamble_required++; | |
1343 | } | |
1344 | } | |
1345 | mii_preamble_required--; | |
1346 | if (phy_idx == 0) { | |
1347 | printk(KERN_WARNING" ***WARNING*** No MII transceivers found!\n"); | |
1348 | vp->phys[0] = 24; | |
1349 | } else { | |
106427e6 | 1350 | vp->advertising = mdio_read(dev, vp->phys[0], MII_ADVERTISE); |
1da177e4 LT |
1351 | if (vp->full_duplex) { |
1352 | /* Only advertise the FD media types. */ | |
1353 | vp->advertising &= ~0x02A0; | |
1354 | mdio_write(dev, vp->phys[0], 4, vp->advertising); | |
1355 | } | |
1356 | } | |
1357 | vp->mii.phy_id = vp->phys[0]; | |
1358 | } | |
1359 | ||
1360 | if (vp->capabilities & CapBusMaster) { | |
1361 | vp->full_bus_master_tx = 1; | |
1362 | if (print_info) { | |
1363 | printk(KERN_INFO " Enabling bus-master transmits and %s receives.\n", | |
1364 | (vp->info2 & 1) ? "early" : "whole-frame" ); | |
1365 | } | |
1366 | vp->full_bus_master_rx = (vp->info2 & 1) ? 1 : 2; | |
1367 | vp->bus_master = 0; /* AKPM: vortex only */ | |
1368 | } | |
1369 | ||
1370 | /* The 3c59x-specific entries in the device structure. */ | |
1371 | dev->open = vortex_open; | |
1372 | if (vp->full_bus_master_tx) { | |
1373 | dev->hard_start_xmit = boomerang_start_xmit; | |
1374 | /* Actually, it still should work with iommu. */ | |
32fb5f06 JL |
1375 | if (card_idx < MAX_UNITS && |
1376 | ((hw_checksums[card_idx] == -1 && (vp->drv_flags & HAS_HWCKSM)) || | |
1377 | hw_checksums[card_idx] == 1)) { | |
d311b0d3 | 1378 | dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG; |
1da177e4 LT |
1379 | } |
1380 | } else { | |
1381 | dev->hard_start_xmit = vortex_start_xmit; | |
1382 | } | |
1383 | ||
1384 | if (print_info) { | |
1385 | printk(KERN_INFO "%s: scatter/gather %sabled. h/w checksums %sabled\n", | |
1386 | print_name, | |
1387 | (dev->features & NETIF_F_SG) ? "en":"dis", | |
1388 | (dev->features & NETIF_F_IP_CSUM) ? "en":"dis"); | |
1389 | } | |
1390 | ||
1391 | dev->stop = vortex_close; | |
1392 | dev->get_stats = vortex_get_stats; | |
1393 | #ifdef CONFIG_PCI | |
1394 | dev->do_ioctl = vortex_ioctl; | |
1395 | #endif | |
1396 | dev->ethtool_ops = &vortex_ethtool_ops; | |
1397 | dev->set_multicast_list = set_rx_mode; | |
1398 | dev->tx_timeout = vortex_tx_timeout; | |
1399 | dev->watchdog_timeo = (watchdog * HZ) / 1000; | |
1400 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
6aa20a22 | 1401 | dev->poll_controller = poll_vortex; |
1da177e4 LT |
1402 | #endif |
1403 | if (pdev) { | |
1404 | vp->pm_state_valid = 1; | |
1405 | pci_save_state(VORTEX_PCI(vp)); | |
1406 | acpi_set_WOL(dev); | |
1407 | } | |
1408 | retval = register_netdev(dev); | |
1409 | if (retval == 0) | |
1410 | return 0; | |
1411 | ||
1412 | free_ring: | |
1413 | pci_free_consistent(pdev, | |
1414 | sizeof(struct boom_rx_desc) * RX_RING_SIZE | |
1415 | + sizeof(struct boom_tx_desc) * TX_RING_SIZE, | |
1416 | vp->rx_ring, | |
1417 | vp->rx_ring_dma); | |
1418 | free_region: | |
1419 | if (vp->must_free_region) | |
62afe595 | 1420 | release_region(dev->base_addr, vci->io_size); |
1da177e4 LT |
1421 | free_netdev(dev); |
1422 | printk(KERN_ERR PFX "vortex_probe1 fails. Returns %d\n", retval); | |
1423 | out: | |
1424 | return retval; | |
1425 | } | |
1426 | ||
1427 | static void | |
1428 | issue_and_wait(struct net_device *dev, int cmd) | |
1429 | { | |
62afe595 JL |
1430 | struct vortex_private *vp = netdev_priv(dev); |
1431 | void __iomem *ioaddr = vp->ioaddr; | |
1da177e4 LT |
1432 | int i; |
1433 | ||
62afe595 | 1434 | iowrite16(cmd, ioaddr + EL3_CMD); |
1da177e4 | 1435 | for (i = 0; i < 2000; i++) { |
62afe595 | 1436 | if (!(ioread16(ioaddr + EL3_STATUS) & CmdInProgress)) |
1da177e4 LT |
1437 | return; |
1438 | } | |
1439 | ||
1440 | /* OK, that didn't work. Do it the slow way. One second */ | |
1441 | for (i = 0; i < 100000; i++) { | |
62afe595 | 1442 | if (!(ioread16(ioaddr + EL3_STATUS) & CmdInProgress)) { |
1da177e4 LT |
1443 | if (vortex_debug > 1) |
1444 | printk(KERN_INFO "%s: command 0x%04x took %d usecs\n", | |
1445 | dev->name, cmd, i * 10); | |
1446 | return; | |
1447 | } | |
1448 | udelay(10); | |
1449 | } | |
1450 | printk(KERN_ERR "%s: command 0x%04x did not complete! Status=0x%x\n", | |
62afe595 | 1451 | dev->name, cmd, ioread16(ioaddr + EL3_STATUS)); |
1da177e4 LT |
1452 | } |
1453 | ||
125d5ce8 SK |
1454 | static void |
1455 | vortex_set_duplex(struct net_device *dev) | |
1456 | { | |
1457 | struct vortex_private *vp = netdev_priv(dev); | |
1458 | void __iomem *ioaddr = vp->ioaddr; | |
1459 | ||
1460 | printk(KERN_INFO "%s: setting %s-duplex.\n", | |
1461 | dev->name, (vp->full_duplex) ? "full" : "half"); | |
1462 | ||
1463 | EL3WINDOW(3); | |
1464 | /* Set the full-duplex bit. */ | |
1465 | iowrite16(((vp->info1 & 0x8000) || vp->full_duplex ? 0x20 : 0) | | |
1466 | (vp->large_frames ? 0x40 : 0) | | |
1467 | ((vp->full_duplex && vp->flow_ctrl && vp->partner_flow_ctrl) ? | |
1468 | 0x100 : 0), | |
1469 | ioaddr + Wn3_MAC_Ctrl); | |
125d5ce8 SK |
1470 | } |
1471 | ||
1472 | static void vortex_check_media(struct net_device *dev, unsigned int init) | |
1473 | { | |
1474 | struct vortex_private *vp = netdev_priv(dev); | |
1475 | unsigned int ok_to_print = 0; | |
1476 | ||
1477 | if (vortex_debug > 3) | |
1478 | ok_to_print = 1; | |
1479 | ||
1480 | if (mii_check_media(&vp->mii, ok_to_print, init)) { | |
1481 | vp->full_duplex = vp->mii.full_duplex; | |
1482 | vortex_set_duplex(dev); | |
1483 | } else if (init) { | |
1484 | vortex_set_duplex(dev); | |
1485 | } | |
1486 | } | |
1487 | ||
c8303d10 | 1488 | static int |
1da177e4 LT |
1489 | vortex_up(struct net_device *dev) |
1490 | { | |
1da177e4 | 1491 | struct vortex_private *vp = netdev_priv(dev); |
62afe595 | 1492 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 | 1493 | unsigned int config; |
c8303d10 | 1494 | int i, mii_reg1, mii_reg5, err; |
1da177e4 LT |
1495 | |
1496 | if (VORTEX_PCI(vp)) { | |
1497 | pci_set_power_state(VORTEX_PCI(vp), PCI_D0); /* Go active */ | |
3c8fad18 DR |
1498 | if (vp->pm_state_valid) |
1499 | pci_restore_state(VORTEX_PCI(vp)); | |
c8303d10 MH |
1500 | err = pci_enable_device(VORTEX_PCI(vp)); |
1501 | if (err) { | |
1502 | printk(KERN_WARNING "%s: Could not enable device \n", | |
1503 | dev->name); | |
1504 | goto err_out; | |
1505 | } | |
1da177e4 LT |
1506 | } |
1507 | ||
1508 | /* Before initializing select the active media port. */ | |
1509 | EL3WINDOW(3); | |
62afe595 | 1510 | config = ioread32(ioaddr + Wn3_Config); |
1da177e4 LT |
1511 | |
1512 | if (vp->media_override != 7) { | |
1513 | printk(KERN_INFO "%s: Media override to transceiver %d (%s).\n", | |
1514 | dev->name, vp->media_override, | |
1515 | media_tbl[vp->media_override].name); | |
1516 | dev->if_port = vp->media_override; | |
1517 | } else if (vp->autoselect) { | |
1518 | if (vp->has_nway) { | |
1519 | if (vortex_debug > 1) | |
1520 | printk(KERN_INFO "%s: using NWAY device table, not %d\n", | |
1521 | dev->name, dev->if_port); | |
1522 | dev->if_port = XCVR_NWAY; | |
1523 | } else { | |
1524 | /* Find first available media type, starting with 100baseTx. */ | |
1525 | dev->if_port = XCVR_100baseTx; | |
1526 | while (! (vp->available_media & media_tbl[dev->if_port].mask)) | |
1527 | dev->if_port = media_tbl[dev->if_port].next; | |
1528 | if (vortex_debug > 1) | |
1529 | printk(KERN_INFO "%s: first available media type: %s\n", | |
1530 | dev->name, media_tbl[dev->if_port].name); | |
1531 | } | |
1532 | } else { | |
1533 | dev->if_port = vp->default_media; | |
1534 | if (vortex_debug > 1) | |
1535 | printk(KERN_INFO "%s: using default media %s\n", | |
1536 | dev->name, media_tbl[dev->if_port].name); | |
1537 | } | |
1538 | ||
1539 | init_timer(&vp->timer); | |
1540 | vp->timer.expires = RUN_AT(media_tbl[dev->if_port].wait); | |
1541 | vp->timer.data = (unsigned long)dev; | |
1542 | vp->timer.function = vortex_timer; /* timer handler */ | |
1543 | add_timer(&vp->timer); | |
1544 | ||
1545 | init_timer(&vp->rx_oom_timer); | |
1546 | vp->rx_oom_timer.data = (unsigned long)dev; | |
1547 | vp->rx_oom_timer.function = rx_oom_timer; | |
1548 | ||
1549 | if (vortex_debug > 1) | |
1550 | printk(KERN_DEBUG "%s: Initial media type %s.\n", | |
1551 | dev->name, media_tbl[dev->if_port].name); | |
1552 | ||
125d5ce8 | 1553 | vp->full_duplex = vp->mii.force_media; |
1da177e4 LT |
1554 | config = BFINS(config, dev->if_port, 20, 4); |
1555 | if (vortex_debug > 6) | |
1556 | printk(KERN_DEBUG "vortex_up(): writing 0x%x to InternalConfig\n", config); | |
62afe595 | 1557 | iowrite32(config, ioaddr + Wn3_Config); |
1da177e4 LT |
1558 | |
1559 | if (dev->if_port == XCVR_MII || dev->if_port == XCVR_NWAY) { | |
1da177e4 | 1560 | EL3WINDOW(4); |
09ce3512 SK |
1561 | mii_reg1 = mdio_read(dev, vp->phys[0], MII_BMSR); |
1562 | mii_reg5 = mdio_read(dev, vp->phys[0], MII_LPA); | |
1563 | vp->partner_flow_ctrl = ((mii_reg5 & 0x0400) != 0); | |
373492d0 | 1564 | vp->mii.full_duplex = vp->full_duplex; |
09ce3512 | 1565 | |
125d5ce8 | 1566 | vortex_check_media(dev, 1); |
1da177e4 | 1567 | } |
125d5ce8 SK |
1568 | else |
1569 | vortex_set_duplex(dev); | |
1da177e4 | 1570 | |
09ce3512 SK |
1571 | issue_and_wait(dev, TxReset); |
1572 | /* | |
1573 | * Don't reset the PHY - that upsets autonegotiation during DHCP operations. | |
1574 | */ | |
1575 | issue_and_wait(dev, RxReset|0x04); | |
1576 | ||
1da177e4 | 1577 | |
62afe595 | 1578 | iowrite16(SetStatusEnb | 0x00, ioaddr + EL3_CMD); |
1da177e4 LT |
1579 | |
1580 | if (vortex_debug > 1) { | |
1581 | EL3WINDOW(4); | |
1582 | printk(KERN_DEBUG "%s: vortex_up() irq %d media status %4.4x.\n", | |
62afe595 | 1583 | dev->name, dev->irq, ioread16(ioaddr + Wn4_Media)); |
1da177e4 LT |
1584 | } |
1585 | ||
1586 | /* Set the station address and mask in window 2 each time opened. */ | |
1587 | EL3WINDOW(2); | |
1588 | for (i = 0; i < 6; i++) | |
62afe595 | 1589 | iowrite8(dev->dev_addr[i], ioaddr + i); |
1da177e4 | 1590 | for (; i < 12; i+=2) |
62afe595 | 1591 | iowrite16(0, ioaddr + i); |
1da177e4 LT |
1592 | |
1593 | if (vp->cb_fn_base) { | |
62afe595 | 1594 | unsigned short n = ioread16(ioaddr + Wn2_ResetOptions) & ~0x4010; |
1da177e4 LT |
1595 | if (vp->drv_flags & INVERT_LED_PWR) |
1596 | n |= 0x10; | |
1597 | if (vp->drv_flags & INVERT_MII_PWR) | |
1598 | n |= 0x4000; | |
62afe595 | 1599 | iowrite16(n, ioaddr + Wn2_ResetOptions); |
1da177e4 LT |
1600 | } |
1601 | ||
1602 | if (dev->if_port == XCVR_10base2) | |
1603 | /* Start the thinnet transceiver. We should really wait 50ms...*/ | |
62afe595 | 1604 | iowrite16(StartCoax, ioaddr + EL3_CMD); |
1da177e4 LT |
1605 | if (dev->if_port != XCVR_NWAY) { |
1606 | EL3WINDOW(4); | |
62afe595 | 1607 | iowrite16((ioread16(ioaddr + Wn4_Media) & ~(Media_10TP|Media_SQE)) | |
1da177e4 LT |
1608 | media_tbl[dev->if_port].media_bits, ioaddr + Wn4_Media); |
1609 | } | |
1610 | ||
1611 | /* Switch to the stats window, and clear all stats by reading. */ | |
62afe595 | 1612 | iowrite16(StatsDisable, ioaddr + EL3_CMD); |
1da177e4 LT |
1613 | EL3WINDOW(6); |
1614 | for (i = 0; i < 10; i++) | |
62afe595 JL |
1615 | ioread8(ioaddr + i); |
1616 | ioread16(ioaddr + 10); | |
1617 | ioread16(ioaddr + 12); | |
1da177e4 LT |
1618 | /* New: On the Vortex we must also clear the BadSSD counter. */ |
1619 | EL3WINDOW(4); | |
62afe595 | 1620 | ioread8(ioaddr + 12); |
1da177e4 | 1621 | /* ..and on the Boomerang we enable the extra statistics bits. */ |
62afe595 | 1622 | iowrite16(0x0040, ioaddr + Wn4_NetDiag); |
1da177e4 LT |
1623 | |
1624 | /* Switch to register set 7 for normal use. */ | |
1625 | EL3WINDOW(7); | |
1626 | ||
1627 | if (vp->full_bus_master_rx) { /* Boomerang bus master. */ | |
1628 | vp->cur_rx = vp->dirty_rx = 0; | |
1629 | /* Initialize the RxEarly register as recommended. */ | |
62afe595 JL |
1630 | iowrite16(SetRxThreshold + (1536>>2), ioaddr + EL3_CMD); |
1631 | iowrite32(0x0020, ioaddr + PktStatus); | |
1632 | iowrite32(vp->rx_ring_dma, ioaddr + UpListPtr); | |
1da177e4 LT |
1633 | } |
1634 | if (vp->full_bus_master_tx) { /* Boomerang bus master Tx. */ | |
1635 | vp->cur_tx = vp->dirty_tx = 0; | |
1636 | if (vp->drv_flags & IS_BOOMERANG) | |
62afe595 | 1637 | iowrite8(PKT_BUF_SZ>>8, ioaddr + TxFreeThreshold); /* Room for a packet. */ |
1da177e4 LT |
1638 | /* Clear the Rx, Tx rings. */ |
1639 | for (i = 0; i < RX_RING_SIZE; i++) /* AKPM: this is done in vortex_open, too */ | |
1640 | vp->rx_ring[i].status = 0; | |
1641 | for (i = 0; i < TX_RING_SIZE; i++) | |
1642 | vp->tx_skbuff[i] = NULL; | |
62afe595 | 1643 | iowrite32(0, ioaddr + DownListPtr); |
1da177e4 LT |
1644 | } |
1645 | /* Set receiver mode: presumably accept b-case and phys addr only. */ | |
1646 | set_rx_mode(dev); | |
1647 | /* enable 802.1q tagged frames */ | |
1648 | set_8021q_mode(dev, 1); | |
62afe595 | 1649 | iowrite16(StatsEnable, ioaddr + EL3_CMD); /* Turn on statistics. */ |
1da177e4 | 1650 | |
62afe595 JL |
1651 | iowrite16(RxEnable, ioaddr + EL3_CMD); /* Enable the receiver. */ |
1652 | iowrite16(TxEnable, ioaddr + EL3_CMD); /* Enable transmitter. */ | |
1da177e4 LT |
1653 | /* Allow status bits to be seen. */ |
1654 | vp->status_enable = SetStatusEnb | HostError|IntReq|StatsFull|TxComplete| | |
1655 | (vp->full_bus_master_tx ? DownComplete : TxAvailable) | | |
1656 | (vp->full_bus_master_rx ? UpComplete : RxComplete) | | |
1657 | (vp->bus_master ? DMADone : 0); | |
1658 | vp->intr_enable = SetIntrEnb | IntLatch | TxAvailable | | |
1659 | (vp->full_bus_master_rx ? 0 : RxComplete) | | |
1660 | StatsFull | HostError | TxComplete | IntReq | |
1661 | | (vp->bus_master ? DMADone : 0) | UpComplete | DownComplete; | |
62afe595 | 1662 | iowrite16(vp->status_enable, ioaddr + EL3_CMD); |
1da177e4 | 1663 | /* Ack all pending events, and set active indicator mask. */ |
62afe595 | 1664 | iowrite16(AckIntr | IntLatch | TxAvailable | RxEarly | IntReq, |
1da177e4 | 1665 | ioaddr + EL3_CMD); |
62afe595 | 1666 | iowrite16(vp->intr_enable, ioaddr + EL3_CMD); |
1da177e4 | 1667 | if (vp->cb_fn_base) /* The PCMCIA people are idiots. */ |
62afe595 | 1668 | iowrite32(0x8000, vp->cb_fn_base + 4); |
1da177e4 | 1669 | netif_start_queue (dev); |
c8303d10 MH |
1670 | err_out: |
1671 | return err; | |
1da177e4 LT |
1672 | } |
1673 | ||
1674 | static int | |
1675 | vortex_open(struct net_device *dev) | |
1676 | { | |
1677 | struct vortex_private *vp = netdev_priv(dev); | |
1678 | int i; | |
1679 | int retval; | |
1680 | ||
1681 | /* Use the now-standard shared IRQ implementation. */ | |
1682 | if ((retval = request_irq(dev->irq, vp->full_bus_master_rx ? | |
1fb9df5d | 1683 | &boomerang_interrupt : &vortex_interrupt, IRQF_SHARED, dev->name, dev))) { |
1da177e4 | 1684 | printk(KERN_ERR "%s: Could not reserve IRQ %d\n", dev->name, dev->irq); |
c8303d10 | 1685 | goto err; |
1da177e4 LT |
1686 | } |
1687 | ||
1688 | if (vp->full_bus_master_rx) { /* Boomerang bus master. */ | |
1689 | if (vortex_debug > 2) | |
1690 | printk(KERN_DEBUG "%s: Filling in the Rx ring.\n", dev->name); | |
1691 | for (i = 0; i < RX_RING_SIZE; i++) { | |
1692 | struct sk_buff *skb; | |
1693 | vp->rx_ring[i].next = cpu_to_le32(vp->rx_ring_dma + sizeof(struct boom_rx_desc) * (i+1)); | |
1694 | vp->rx_ring[i].status = 0; /* Clear complete bit. */ | |
1695 | vp->rx_ring[i].length = cpu_to_le32(PKT_BUF_SZ | LAST_FRAG); | |
1696 | skb = dev_alloc_skb(PKT_BUF_SZ); | |
1697 | vp->rx_skbuff[i] = skb; | |
1698 | if (skb == NULL) | |
1699 | break; /* Bad news! */ | |
1700 | skb->dev = dev; /* Mark as being used by this device. */ | |
1701 | skb_reserve(skb, 2); /* Align IP on 16 byte boundaries */ | |
689be439 | 1702 | vp->rx_ring[i].addr = cpu_to_le32(pci_map_single(VORTEX_PCI(vp), skb->data, PKT_BUF_SZ, PCI_DMA_FROMDEVICE)); |
1da177e4 LT |
1703 | } |
1704 | if (i != RX_RING_SIZE) { | |
1705 | int j; | |
1706 | printk(KERN_EMERG "%s: no memory for rx ring\n", dev->name); | |
1707 | for (j = 0; j < i; j++) { | |
1708 | if (vp->rx_skbuff[j]) { | |
1709 | dev_kfree_skb(vp->rx_skbuff[j]); | |
1710 | vp->rx_skbuff[j] = NULL; | |
1711 | } | |
1712 | } | |
1713 | retval = -ENOMEM; | |
c8303d10 | 1714 | goto err_free_irq; |
1da177e4 LT |
1715 | } |
1716 | /* Wrap the ring. */ | |
1717 | vp->rx_ring[i-1].next = cpu_to_le32(vp->rx_ring_dma); | |
1718 | } | |
1719 | ||
c8303d10 MH |
1720 | retval = vortex_up(dev); |
1721 | if (!retval) | |
1722 | goto out; | |
1da177e4 | 1723 | |
c8303d10 | 1724 | err_free_irq: |
1da177e4 | 1725 | free_irq(dev->irq, dev); |
c8303d10 | 1726 | err: |
1da177e4 LT |
1727 | if (vortex_debug > 1) |
1728 | printk(KERN_ERR "%s: vortex_open() fails: returning %d\n", dev->name, retval); | |
c8303d10 | 1729 | out: |
1da177e4 LT |
1730 | return retval; |
1731 | } | |
1732 | ||
1733 | static void | |
1734 | vortex_timer(unsigned long data) | |
1735 | { | |
1736 | struct net_device *dev = (struct net_device *)data; | |
1737 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 1738 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
1739 | int next_tick = 60*HZ; |
1740 | int ok = 0; | |
125d5ce8 | 1741 | int media_status, old_window; |
1da177e4 LT |
1742 | |
1743 | if (vortex_debug > 2) { | |
1744 | printk(KERN_DEBUG "%s: Media selection timer tick happened, %s.\n", | |
1745 | dev->name, media_tbl[dev->if_port].name); | |
1746 | printk(KERN_DEBUG "dev->watchdog_timeo=%d\n", dev->watchdog_timeo); | |
1747 | } | |
1748 | ||
0a9da4bd | 1749 | disable_irq_lockdep(dev->irq); |
62afe595 | 1750 | old_window = ioread16(ioaddr + EL3_CMD) >> 13; |
1da177e4 | 1751 | EL3WINDOW(4); |
62afe595 | 1752 | media_status = ioread16(ioaddr + Wn4_Media); |
1da177e4 LT |
1753 | switch (dev->if_port) { |
1754 | case XCVR_10baseT: case XCVR_100baseTx: case XCVR_100baseFx: | |
1755 | if (media_status & Media_LnkBeat) { | |
1756 | netif_carrier_on(dev); | |
1757 | ok = 1; | |
1758 | if (vortex_debug > 1) | |
1759 | printk(KERN_DEBUG "%s: Media %s has link beat, %x.\n", | |
1760 | dev->name, media_tbl[dev->if_port].name, media_status); | |
1761 | } else { | |
1762 | netif_carrier_off(dev); | |
1763 | if (vortex_debug > 1) { | |
1764 | printk(KERN_DEBUG "%s: Media %s has no link beat, %x.\n", | |
1765 | dev->name, media_tbl[dev->if_port].name, media_status); | |
1766 | } | |
1767 | } | |
1768 | break; | |
1769 | case XCVR_MII: case XCVR_NWAY: | |
1770 | { | |
1da177e4 | 1771 | ok = 1; |
125d5ce8 SK |
1772 | spin_lock_bh(&vp->lock); |
1773 | vortex_check_media(dev, 0); | |
1da177e4 LT |
1774 | spin_unlock_bh(&vp->lock); |
1775 | } | |
1776 | break; | |
1777 | default: /* Other media types handled by Tx timeouts. */ | |
1778 | if (vortex_debug > 1) | |
1779 | printk(KERN_DEBUG "%s: Media %s has no indication, %x.\n", | |
1780 | dev->name, media_tbl[dev->if_port].name, media_status); | |
1781 | ok = 1; | |
1782 | } | |
b4ff6450 SK |
1783 | |
1784 | if (!netif_carrier_ok(dev)) | |
1785 | next_tick = 5*HZ; | |
1786 | ||
e94d10eb SK |
1787 | if (vp->medialock) |
1788 | goto leave_media_alone; | |
1789 | ||
a880c4cd | 1790 | if (!ok) { |
1da177e4 LT |
1791 | unsigned int config; |
1792 | ||
1793 | do { | |
1794 | dev->if_port = media_tbl[dev->if_port].next; | |
1795 | } while ( ! (vp->available_media & media_tbl[dev->if_port].mask)); | |
1796 | if (dev->if_port == XCVR_Default) { /* Go back to default. */ | |
1797 | dev->if_port = vp->default_media; | |
1798 | if (vortex_debug > 1) | |
1799 | printk(KERN_DEBUG "%s: Media selection failing, using default " | |
1800 | "%s port.\n", | |
1801 | dev->name, media_tbl[dev->if_port].name); | |
1802 | } else { | |
1803 | if (vortex_debug > 1) | |
1804 | printk(KERN_DEBUG "%s: Media selection failed, now trying " | |
1805 | "%s port.\n", | |
1806 | dev->name, media_tbl[dev->if_port].name); | |
1807 | next_tick = media_tbl[dev->if_port].wait; | |
1808 | } | |
62afe595 | 1809 | iowrite16((media_status & ~(Media_10TP|Media_SQE)) | |
1da177e4 LT |
1810 | media_tbl[dev->if_port].media_bits, ioaddr + Wn4_Media); |
1811 | ||
1812 | EL3WINDOW(3); | |
62afe595 | 1813 | config = ioread32(ioaddr + Wn3_Config); |
1da177e4 | 1814 | config = BFINS(config, dev->if_port, 20, 4); |
62afe595 | 1815 | iowrite32(config, ioaddr + Wn3_Config); |
1da177e4 | 1816 | |
62afe595 | 1817 | iowrite16(dev->if_port == XCVR_10base2 ? StartCoax : StopCoax, |
1da177e4 LT |
1818 | ioaddr + EL3_CMD); |
1819 | if (vortex_debug > 1) | |
1820 | printk(KERN_DEBUG "wrote 0x%08x to Wn3_Config\n", config); | |
1821 | /* AKPM: FIXME: Should reset Rx & Tx here. P60 of 3c90xc.pdf */ | |
1822 | } | |
1da177e4 LT |
1823 | |
1824 | leave_media_alone: | |
1825 | if (vortex_debug > 2) | |
1826 | printk(KERN_DEBUG "%s: Media selection timer finished, %s.\n", | |
1827 | dev->name, media_tbl[dev->if_port].name); | |
1828 | ||
e94d10eb | 1829 | EL3WINDOW(old_window); |
0a9da4bd | 1830 | enable_irq_lockdep(dev->irq); |
1da177e4 LT |
1831 | mod_timer(&vp->timer, RUN_AT(next_tick)); |
1832 | if (vp->deferred) | |
62afe595 | 1833 | iowrite16(FakeIntr, ioaddr + EL3_CMD); |
1da177e4 LT |
1834 | return; |
1835 | } | |
1836 | ||
1837 | static void vortex_tx_timeout(struct net_device *dev) | |
1838 | { | |
1839 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 1840 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
1841 | |
1842 | printk(KERN_ERR "%s: transmit timed out, tx_status %2.2x status %4.4x.\n", | |
62afe595 JL |
1843 | dev->name, ioread8(ioaddr + TxStatus), |
1844 | ioread16(ioaddr + EL3_STATUS)); | |
1da177e4 LT |
1845 | EL3WINDOW(4); |
1846 | printk(KERN_ERR " diagnostics: net %04x media %04x dma %08x fifo %04x\n", | |
62afe595 JL |
1847 | ioread16(ioaddr + Wn4_NetDiag), |
1848 | ioread16(ioaddr + Wn4_Media), | |
1849 | ioread32(ioaddr + PktStatus), | |
1850 | ioread16(ioaddr + Wn4_FIFODiag)); | |
1da177e4 | 1851 | /* Slight code bloat to be user friendly. */ |
62afe595 | 1852 | if ((ioread8(ioaddr + TxStatus) & 0x88) == 0x88) |
1da177e4 LT |
1853 | printk(KERN_ERR "%s: Transmitter encountered 16 collisions --" |
1854 | " network cable problem?\n", dev->name); | |
62afe595 | 1855 | if (ioread16(ioaddr + EL3_STATUS) & IntLatch) { |
1da177e4 LT |
1856 | printk(KERN_ERR "%s: Interrupt posted but not delivered --" |
1857 | " IRQ blocked by another device?\n", dev->name); | |
1858 | /* Bad idea here.. but we might as well handle a few events. */ | |
1859 | { | |
1860 | /* | |
1861 | * Block interrupts because vortex_interrupt does a bare spin_lock() | |
1862 | */ | |
1863 | unsigned long flags; | |
1864 | local_irq_save(flags); | |
1865 | if (vp->full_bus_master_tx) | |
7d12e780 | 1866 | boomerang_interrupt(dev->irq, dev); |
1da177e4 | 1867 | else |
7d12e780 | 1868 | vortex_interrupt(dev->irq, dev); |
1da177e4 LT |
1869 | local_irq_restore(flags); |
1870 | } | |
1871 | } | |
1872 | ||
1873 | if (vortex_debug > 0) | |
1874 | dump_tx_ring(dev); | |
1875 | ||
1876 | issue_and_wait(dev, TxReset); | |
1877 | ||
1878 | vp->stats.tx_errors++; | |
1879 | if (vp->full_bus_master_tx) { | |
1880 | printk(KERN_DEBUG "%s: Resetting the Tx ring pointer.\n", dev->name); | |
62afe595 JL |
1881 | if (vp->cur_tx - vp->dirty_tx > 0 && ioread32(ioaddr + DownListPtr) == 0) |
1882 | iowrite32(vp->tx_ring_dma + (vp->dirty_tx % TX_RING_SIZE) * sizeof(struct boom_tx_desc), | |
1da177e4 LT |
1883 | ioaddr + DownListPtr); |
1884 | if (vp->cur_tx - vp->dirty_tx < TX_RING_SIZE) | |
1885 | netif_wake_queue (dev); | |
1886 | if (vp->drv_flags & IS_BOOMERANG) | |
62afe595 JL |
1887 | iowrite8(PKT_BUF_SZ>>8, ioaddr + TxFreeThreshold); |
1888 | iowrite16(DownUnstall, ioaddr + EL3_CMD); | |
1da177e4 LT |
1889 | } else { |
1890 | vp->stats.tx_dropped++; | |
1891 | netif_wake_queue(dev); | |
1892 | } | |
6aa20a22 | 1893 | |
1da177e4 | 1894 | /* Issue Tx Enable */ |
62afe595 | 1895 | iowrite16(TxEnable, ioaddr + EL3_CMD); |
1da177e4 | 1896 | dev->trans_start = jiffies; |
6aa20a22 | 1897 | |
1da177e4 LT |
1898 | /* Switch to register set 7 for normal use. */ |
1899 | EL3WINDOW(7); | |
1900 | } | |
1901 | ||
1902 | /* | |
1903 | * Handle uncommon interrupt sources. This is a separate routine to minimize | |
1904 | * the cache impact. | |
1905 | */ | |
1906 | static void | |
1907 | vortex_error(struct net_device *dev, int status) | |
1908 | { | |
1909 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 1910 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
1911 | int do_tx_reset = 0, reset_mask = 0; |
1912 | unsigned char tx_status = 0; | |
1913 | ||
1914 | if (vortex_debug > 2) { | |
1915 | printk(KERN_ERR "%s: vortex_error(), status=0x%x\n", dev->name, status); | |
1916 | } | |
1917 | ||
1918 | if (status & TxComplete) { /* Really "TxError" for us. */ | |
62afe595 | 1919 | tx_status = ioread8(ioaddr + TxStatus); |
1da177e4 LT |
1920 | /* Presumably a tx-timeout. We must merely re-enable. */ |
1921 | if (vortex_debug > 2 | |
1922 | || (tx_status != 0x88 && vortex_debug > 0)) { | |
1923 | printk(KERN_ERR "%s: Transmit error, Tx status register %2.2x.\n", | |
1924 | dev->name, tx_status); | |
1925 | if (tx_status == 0x82) { | |
1926 | printk(KERN_ERR "Probably a duplex mismatch. See " | |
1927 | "Documentation/networking/vortex.txt\n"); | |
1928 | } | |
1929 | dump_tx_ring(dev); | |
1930 | } | |
1931 | if (tx_status & 0x14) vp->stats.tx_fifo_errors++; | |
1932 | if (tx_status & 0x38) vp->stats.tx_aborted_errors++; | |
0000754c | 1933 | if (tx_status & 0x08) vp->xstats.tx_max_collisions++; |
62afe595 | 1934 | iowrite8(0, ioaddr + TxStatus); |
1da177e4 LT |
1935 | if (tx_status & 0x30) { /* txJabber or txUnderrun */ |
1936 | do_tx_reset = 1; | |
0000754c AM |
1937 | } else if ((tx_status & 0x08) && (vp->drv_flags & MAX_COLLISION_RESET)) { /* maxCollisions */ |
1938 | do_tx_reset = 1; | |
1939 | reset_mask = 0x0108; /* Reset interface logic, but not download logic */ | |
1940 | } else { /* Merely re-enable the transmitter. */ | |
62afe595 | 1941 | iowrite16(TxEnable, ioaddr + EL3_CMD); |
1da177e4 LT |
1942 | } |
1943 | } | |
1944 | ||
1945 | if (status & RxEarly) { /* Rx early is unused. */ | |
1946 | vortex_rx(dev); | |
62afe595 | 1947 | iowrite16(AckIntr | RxEarly, ioaddr + EL3_CMD); |
1da177e4 LT |
1948 | } |
1949 | if (status & StatsFull) { /* Empty statistics. */ | |
1950 | static int DoneDidThat; | |
1951 | if (vortex_debug > 4) | |
1952 | printk(KERN_DEBUG "%s: Updating stats.\n", dev->name); | |
1953 | update_stats(ioaddr, dev); | |
1954 | /* HACK: Disable statistics as an interrupt source. */ | |
1955 | /* This occurs when we have the wrong media type! */ | |
1956 | if (DoneDidThat == 0 && | |
62afe595 | 1957 | ioread16(ioaddr + EL3_STATUS) & StatsFull) { |
1da177e4 LT |
1958 | printk(KERN_WARNING "%s: Updating statistics failed, disabling " |
1959 | "stats as an interrupt source.\n", dev->name); | |
1960 | EL3WINDOW(5); | |
62afe595 | 1961 | iowrite16(SetIntrEnb | (ioread16(ioaddr + 10) & ~StatsFull), ioaddr + EL3_CMD); |
1da177e4 LT |
1962 | vp->intr_enable &= ~StatsFull; |
1963 | EL3WINDOW(7); | |
1964 | DoneDidThat++; | |
1965 | } | |
1966 | } | |
1967 | if (status & IntReq) { /* Restore all interrupt sources. */ | |
62afe595 JL |
1968 | iowrite16(vp->status_enable, ioaddr + EL3_CMD); |
1969 | iowrite16(vp->intr_enable, ioaddr + EL3_CMD); | |
1da177e4 LT |
1970 | } |
1971 | if (status & HostError) { | |
1972 | u16 fifo_diag; | |
1973 | EL3WINDOW(4); | |
62afe595 | 1974 | fifo_diag = ioread16(ioaddr + Wn4_FIFODiag); |
1da177e4 LT |
1975 | printk(KERN_ERR "%s: Host error, FIFO diagnostic register %4.4x.\n", |
1976 | dev->name, fifo_diag); | |
1977 | /* Adapter failure requires Tx/Rx reset and reinit. */ | |
1978 | if (vp->full_bus_master_tx) { | |
62afe595 | 1979 | int bus_status = ioread32(ioaddr + PktStatus); |
1da177e4 LT |
1980 | /* 0x80000000 PCI master abort. */ |
1981 | /* 0x40000000 PCI target abort. */ | |
1982 | if (vortex_debug) | |
1983 | printk(KERN_ERR "%s: PCI bus error, bus status %8.8x\n", dev->name, bus_status); | |
1984 | ||
1985 | /* In this case, blow the card away */ | |
1986 | /* Must not enter D3 or we can't legally issue the reset! */ | |
1987 | vortex_down(dev, 0); | |
1988 | issue_and_wait(dev, TotalReset | 0xff); | |
1989 | vortex_up(dev); /* AKPM: bug. vortex_up() assumes that the rx ring is full. It may not be. */ | |
1990 | } else if (fifo_diag & 0x0400) | |
1991 | do_tx_reset = 1; | |
1992 | if (fifo_diag & 0x3000) { | |
1993 | /* Reset Rx fifo and upload logic */ | |
1994 | issue_and_wait(dev, RxReset|0x07); | |
1995 | /* Set the Rx filter to the current state. */ | |
1996 | set_rx_mode(dev); | |
1997 | /* enable 802.1q VLAN tagged frames */ | |
1998 | set_8021q_mode(dev, 1); | |
62afe595 JL |
1999 | iowrite16(RxEnable, ioaddr + EL3_CMD); /* Re-enable the receiver. */ |
2000 | iowrite16(AckIntr | HostError, ioaddr + EL3_CMD); | |
1da177e4 LT |
2001 | } |
2002 | } | |
2003 | ||
2004 | if (do_tx_reset) { | |
2005 | issue_and_wait(dev, TxReset|reset_mask); | |
62afe595 | 2006 | iowrite16(TxEnable, ioaddr + EL3_CMD); |
1da177e4 LT |
2007 | if (!vp->full_bus_master_tx) |
2008 | netif_wake_queue(dev); | |
2009 | } | |
2010 | } | |
2011 | ||
2012 | static int | |
2013 | vortex_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
2014 | { | |
2015 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2016 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
2017 | |
2018 | /* Put out the doubleword header... */ | |
62afe595 | 2019 | iowrite32(skb->len, ioaddr + TX_FIFO); |
1da177e4 LT |
2020 | if (vp->bus_master) { |
2021 | /* Set the bus-master controller to transfer the packet. */ | |
2022 | int len = (skb->len + 3) & ~3; | |
a880c4cd | 2023 | iowrite32(vp->tx_skb_dma = pci_map_single(VORTEX_PCI(vp), skb->data, len, PCI_DMA_TODEVICE), |
1da177e4 | 2024 | ioaddr + Wn7_MasterAddr); |
62afe595 | 2025 | iowrite16(len, ioaddr + Wn7_MasterLen); |
1da177e4 | 2026 | vp->tx_skb = skb; |
62afe595 | 2027 | iowrite16(StartDMADown, ioaddr + EL3_CMD); |
1da177e4 LT |
2028 | /* netif_wake_queue() will be called at the DMADone interrupt. */ |
2029 | } else { | |
2030 | /* ... and the packet rounded to a doubleword. */ | |
62afe595 | 2031 | iowrite32_rep(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2); |
1da177e4 | 2032 | dev_kfree_skb (skb); |
62afe595 | 2033 | if (ioread16(ioaddr + TxFree) > 1536) { |
1da177e4 LT |
2034 | netif_start_queue (dev); /* AKPM: redundant? */ |
2035 | } else { | |
2036 | /* Interrupt us when the FIFO has room for max-sized packet. */ | |
2037 | netif_stop_queue(dev); | |
62afe595 | 2038 | iowrite16(SetTxThreshold + (1536>>2), ioaddr + EL3_CMD); |
1da177e4 LT |
2039 | } |
2040 | } | |
2041 | ||
2042 | dev->trans_start = jiffies; | |
2043 | ||
2044 | /* Clear the Tx status stack. */ | |
2045 | { | |
2046 | int tx_status; | |
2047 | int i = 32; | |
2048 | ||
62afe595 | 2049 | while (--i > 0 && (tx_status = ioread8(ioaddr + TxStatus)) > 0) { |
1da177e4 LT |
2050 | if (tx_status & 0x3C) { /* A Tx-disabling error occurred. */ |
2051 | if (vortex_debug > 2) | |
2052 | printk(KERN_DEBUG "%s: Tx error, status %2.2x.\n", | |
2053 | dev->name, tx_status); | |
2054 | if (tx_status & 0x04) vp->stats.tx_fifo_errors++; | |
2055 | if (tx_status & 0x38) vp->stats.tx_aborted_errors++; | |
2056 | if (tx_status & 0x30) { | |
2057 | issue_and_wait(dev, TxReset); | |
2058 | } | |
62afe595 | 2059 | iowrite16(TxEnable, ioaddr + EL3_CMD); |
1da177e4 | 2060 | } |
62afe595 | 2061 | iowrite8(0x00, ioaddr + TxStatus); /* Pop the status stack. */ |
1da177e4 LT |
2062 | } |
2063 | } | |
2064 | return 0; | |
2065 | } | |
2066 | ||
2067 | static int | |
2068 | boomerang_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
2069 | { | |
2070 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2071 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
2072 | /* Calculate the next Tx descriptor entry. */ |
2073 | int entry = vp->cur_tx % TX_RING_SIZE; | |
2074 | struct boom_tx_desc *prev_entry = &vp->tx_ring[(vp->cur_tx-1) % TX_RING_SIZE]; | |
2075 | unsigned long flags; | |
2076 | ||
2077 | if (vortex_debug > 6) { | |
2078 | printk(KERN_DEBUG "boomerang_start_xmit()\n"); | |
0f667ff5 JL |
2079 | printk(KERN_DEBUG "%s: Trying to send a packet, Tx index %d.\n", |
2080 | dev->name, vp->cur_tx); | |
1da177e4 LT |
2081 | } |
2082 | ||
2083 | if (vp->cur_tx - vp->dirty_tx >= TX_RING_SIZE) { | |
2084 | if (vortex_debug > 0) | |
2085 | printk(KERN_WARNING "%s: BUG! Tx Ring full, refusing to send buffer.\n", | |
2086 | dev->name); | |
2087 | netif_stop_queue(dev); | |
2088 | return 1; | |
2089 | } | |
2090 | ||
2091 | vp->tx_skbuff[entry] = skb; | |
2092 | ||
2093 | vp->tx_ring[entry].next = 0; | |
2094 | #if DO_ZEROCOPY | |
84fa7933 | 2095 | if (skb->ip_summed != CHECKSUM_PARTIAL) |
1da177e4 LT |
2096 | vp->tx_ring[entry].status = cpu_to_le32(skb->len | TxIntrUploaded); |
2097 | else | |
2098 | vp->tx_ring[entry].status = cpu_to_le32(skb->len | TxIntrUploaded | AddTCPChksum | AddUDPChksum); | |
2099 | ||
2100 | if (!skb_shinfo(skb)->nr_frags) { | |
2101 | vp->tx_ring[entry].frag[0].addr = cpu_to_le32(pci_map_single(VORTEX_PCI(vp), skb->data, | |
2102 | skb->len, PCI_DMA_TODEVICE)); | |
2103 | vp->tx_ring[entry].frag[0].length = cpu_to_le32(skb->len | LAST_FRAG); | |
2104 | } else { | |
2105 | int i; | |
2106 | ||
2107 | vp->tx_ring[entry].frag[0].addr = cpu_to_le32(pci_map_single(VORTEX_PCI(vp), skb->data, | |
2108 | skb->len-skb->data_len, PCI_DMA_TODEVICE)); | |
2109 | vp->tx_ring[entry].frag[0].length = cpu_to_le32(skb->len-skb->data_len); | |
2110 | ||
2111 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { | |
2112 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
2113 | ||
2114 | vp->tx_ring[entry].frag[i+1].addr = | |
2115 | cpu_to_le32(pci_map_single(VORTEX_PCI(vp), | |
2116 | (void*)page_address(frag->page) + frag->page_offset, | |
2117 | frag->size, PCI_DMA_TODEVICE)); | |
2118 | ||
2119 | if (i == skb_shinfo(skb)->nr_frags-1) | |
2120 | vp->tx_ring[entry].frag[i+1].length = cpu_to_le32(frag->size|LAST_FRAG); | |
2121 | else | |
2122 | vp->tx_ring[entry].frag[i+1].length = cpu_to_le32(frag->size); | |
2123 | } | |
2124 | } | |
2125 | #else | |
2126 | vp->tx_ring[entry].addr = cpu_to_le32(pci_map_single(VORTEX_PCI(vp), skb->data, skb->len, PCI_DMA_TODEVICE)); | |
2127 | vp->tx_ring[entry].length = cpu_to_le32(skb->len | LAST_FRAG); | |
2128 | vp->tx_ring[entry].status = cpu_to_le32(skb->len | TxIntrUploaded); | |
2129 | #endif | |
2130 | ||
2131 | spin_lock_irqsave(&vp->lock, flags); | |
2132 | /* Wait for the stall to complete. */ | |
2133 | issue_and_wait(dev, DownStall); | |
2134 | prev_entry->next = cpu_to_le32(vp->tx_ring_dma + entry * sizeof(struct boom_tx_desc)); | |
62afe595 JL |
2135 | if (ioread32(ioaddr + DownListPtr) == 0) { |
2136 | iowrite32(vp->tx_ring_dma + entry * sizeof(struct boom_tx_desc), ioaddr + DownListPtr); | |
1da177e4 LT |
2137 | vp->queued_packet++; |
2138 | } | |
2139 | ||
2140 | vp->cur_tx++; | |
2141 | if (vp->cur_tx - vp->dirty_tx > TX_RING_SIZE - 1) { | |
2142 | netif_stop_queue (dev); | |
2143 | } else { /* Clear previous interrupt enable. */ | |
2144 | #if defined(tx_interrupt_mitigation) | |
2145 | /* Dubious. If in boomeang_interrupt "faster" cyclone ifdef | |
2146 | * were selected, this would corrupt DN_COMPLETE. No? | |
2147 | */ | |
2148 | prev_entry->status &= cpu_to_le32(~TxIntrUploaded); | |
2149 | #endif | |
2150 | } | |
62afe595 | 2151 | iowrite16(DownUnstall, ioaddr + EL3_CMD); |
1da177e4 LT |
2152 | spin_unlock_irqrestore(&vp->lock, flags); |
2153 | dev->trans_start = jiffies; | |
2154 | return 0; | |
2155 | } | |
2156 | ||
2157 | /* The interrupt handler does all of the Rx thread work and cleans up | |
2158 | after the Tx thread. */ | |
2159 | ||
2160 | /* | |
2161 | * This is the ISR for the vortex series chips. | |
2162 | * full_bus_master_tx == 0 && full_bus_master_rx == 0 | |
2163 | */ | |
2164 | ||
2165 | static irqreturn_t | |
7d12e780 | 2166 | vortex_interrupt(int irq, void *dev_id) |
1da177e4 LT |
2167 | { |
2168 | struct net_device *dev = dev_id; | |
2169 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2170 | void __iomem *ioaddr; |
1da177e4 LT |
2171 | int status; |
2172 | int work_done = max_interrupt_work; | |
2173 | int handled = 0; | |
2174 | ||
62afe595 | 2175 | ioaddr = vp->ioaddr; |
1da177e4 LT |
2176 | spin_lock(&vp->lock); |
2177 | ||
62afe595 | 2178 | status = ioread16(ioaddr + EL3_STATUS); |
1da177e4 LT |
2179 | |
2180 | if (vortex_debug > 6) | |
2181 | printk("vortex_interrupt(). status=0x%4x\n", status); | |
2182 | ||
2183 | if ((status & IntLatch) == 0) | |
2184 | goto handler_exit; /* No interrupt: shared IRQs cause this */ | |
2185 | handled = 1; | |
2186 | ||
2187 | if (status & IntReq) { | |
2188 | status |= vp->deferred; | |
2189 | vp->deferred = 0; | |
2190 | } | |
2191 | ||
2192 | if (status == 0xffff) /* h/w no longer present (hotplug)? */ | |
2193 | goto handler_exit; | |
2194 | ||
2195 | if (vortex_debug > 4) | |
2196 | printk(KERN_DEBUG "%s: interrupt, status %4.4x, latency %d ticks.\n", | |
62afe595 | 2197 | dev->name, status, ioread8(ioaddr + Timer)); |
1da177e4 LT |
2198 | |
2199 | do { | |
2200 | if (vortex_debug > 5) | |
2201 | printk(KERN_DEBUG "%s: In interrupt loop, status %4.4x.\n", | |
2202 | dev->name, status); | |
2203 | if (status & RxComplete) | |
2204 | vortex_rx(dev); | |
2205 | ||
2206 | if (status & TxAvailable) { | |
2207 | if (vortex_debug > 5) | |
2208 | printk(KERN_DEBUG " TX room bit was handled.\n"); | |
2209 | /* There's room in the FIFO for a full-sized packet. */ | |
62afe595 | 2210 | iowrite16(AckIntr | TxAvailable, ioaddr + EL3_CMD); |
1da177e4 LT |
2211 | netif_wake_queue (dev); |
2212 | } | |
2213 | ||
2214 | if (status & DMADone) { | |
62afe595 JL |
2215 | if (ioread16(ioaddr + Wn7_MasterStatus) & 0x1000) { |
2216 | iowrite16(0x1000, ioaddr + Wn7_MasterStatus); /* Ack the event. */ | |
1da177e4 LT |
2217 | pci_unmap_single(VORTEX_PCI(vp), vp->tx_skb_dma, (vp->tx_skb->len + 3) & ~3, PCI_DMA_TODEVICE); |
2218 | dev_kfree_skb_irq(vp->tx_skb); /* Release the transferred buffer */ | |
62afe595 | 2219 | if (ioread16(ioaddr + TxFree) > 1536) { |
1da177e4 LT |
2220 | /* |
2221 | * AKPM: FIXME: I don't think we need this. If the queue was stopped due to | |
2222 | * insufficient FIFO room, the TxAvailable test will succeed and call | |
2223 | * netif_wake_queue() | |
2224 | */ | |
2225 | netif_wake_queue(dev); | |
2226 | } else { /* Interrupt when FIFO has room for max-sized packet. */ | |
62afe595 | 2227 | iowrite16(SetTxThreshold + (1536>>2), ioaddr + EL3_CMD); |
1da177e4 LT |
2228 | netif_stop_queue(dev); |
2229 | } | |
2230 | } | |
2231 | } | |
2232 | /* Check for all uncommon interrupts at once. */ | |
2233 | if (status & (HostError | RxEarly | StatsFull | TxComplete | IntReq)) { | |
2234 | if (status == 0xffff) | |
2235 | break; | |
2236 | vortex_error(dev, status); | |
2237 | } | |
2238 | ||
2239 | if (--work_done < 0) { | |
2240 | printk(KERN_WARNING "%s: Too much work in interrupt, status " | |
2241 | "%4.4x.\n", dev->name, status); | |
2242 | /* Disable all pending interrupts. */ | |
2243 | do { | |
2244 | vp->deferred |= status; | |
62afe595 | 2245 | iowrite16(SetStatusEnb | (~vp->deferred & vp->status_enable), |
1da177e4 | 2246 | ioaddr + EL3_CMD); |
62afe595 JL |
2247 | iowrite16(AckIntr | (vp->deferred & 0x7ff), ioaddr + EL3_CMD); |
2248 | } while ((status = ioread16(ioaddr + EL3_CMD)) & IntLatch); | |
1da177e4 LT |
2249 | /* The timer will reenable interrupts. */ |
2250 | mod_timer(&vp->timer, jiffies + 1*HZ); | |
2251 | break; | |
2252 | } | |
2253 | /* Acknowledge the IRQ. */ | |
62afe595 JL |
2254 | iowrite16(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD); |
2255 | } while ((status = ioread16(ioaddr + EL3_STATUS)) & (IntLatch | RxComplete)); | |
1da177e4 LT |
2256 | |
2257 | if (vortex_debug > 4) | |
2258 | printk(KERN_DEBUG "%s: exiting interrupt, status %4.4x.\n", | |
2259 | dev->name, status); | |
2260 | handler_exit: | |
2261 | spin_unlock(&vp->lock); | |
2262 | return IRQ_RETVAL(handled); | |
2263 | } | |
2264 | ||
2265 | /* | |
2266 | * This is the ISR for the boomerang series chips. | |
2267 | * full_bus_master_tx == 1 && full_bus_master_rx == 1 | |
2268 | */ | |
2269 | ||
2270 | static irqreturn_t | |
7d12e780 | 2271 | boomerang_interrupt(int irq, void *dev_id) |
1da177e4 LT |
2272 | { |
2273 | struct net_device *dev = dev_id; | |
2274 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2275 | void __iomem *ioaddr; |
1da177e4 LT |
2276 | int status; |
2277 | int work_done = max_interrupt_work; | |
2278 | ||
62afe595 | 2279 | ioaddr = vp->ioaddr; |
1da177e4 LT |
2280 | |
2281 | /* | |
2282 | * It seems dopey to put the spinlock this early, but we could race against vortex_tx_timeout | |
2283 | * and boomerang_start_xmit | |
2284 | */ | |
2285 | spin_lock(&vp->lock); | |
2286 | ||
62afe595 | 2287 | status = ioread16(ioaddr + EL3_STATUS); |
1da177e4 LT |
2288 | |
2289 | if (vortex_debug > 6) | |
2290 | printk(KERN_DEBUG "boomerang_interrupt. status=0x%4x\n", status); | |
2291 | ||
2292 | if ((status & IntLatch) == 0) | |
2293 | goto handler_exit; /* No interrupt: shared IRQs can cause this */ | |
2294 | ||
2295 | if (status == 0xffff) { /* h/w no longer present (hotplug)? */ | |
2296 | if (vortex_debug > 1) | |
2297 | printk(KERN_DEBUG "boomerang_interrupt(1): status = 0xffff\n"); | |
2298 | goto handler_exit; | |
2299 | } | |
2300 | ||
2301 | if (status & IntReq) { | |
2302 | status |= vp->deferred; | |
2303 | vp->deferred = 0; | |
2304 | } | |
2305 | ||
2306 | if (vortex_debug > 4) | |
2307 | printk(KERN_DEBUG "%s: interrupt, status %4.4x, latency %d ticks.\n", | |
62afe595 | 2308 | dev->name, status, ioread8(ioaddr + Timer)); |
1da177e4 LT |
2309 | do { |
2310 | if (vortex_debug > 5) | |
2311 | printk(KERN_DEBUG "%s: In interrupt loop, status %4.4x.\n", | |
2312 | dev->name, status); | |
2313 | if (status & UpComplete) { | |
62afe595 | 2314 | iowrite16(AckIntr | UpComplete, ioaddr + EL3_CMD); |
1da177e4 LT |
2315 | if (vortex_debug > 5) |
2316 | printk(KERN_DEBUG "boomerang_interrupt->boomerang_rx\n"); | |
2317 | boomerang_rx(dev); | |
2318 | } | |
2319 | ||
2320 | if (status & DownComplete) { | |
2321 | unsigned int dirty_tx = vp->dirty_tx; | |
2322 | ||
62afe595 | 2323 | iowrite16(AckIntr | DownComplete, ioaddr + EL3_CMD); |
1da177e4 LT |
2324 | while (vp->cur_tx - dirty_tx > 0) { |
2325 | int entry = dirty_tx % TX_RING_SIZE; | |
2326 | #if 1 /* AKPM: the latter is faster, but cyclone-only */ | |
62afe595 | 2327 | if (ioread32(ioaddr + DownListPtr) == |
1da177e4 LT |
2328 | vp->tx_ring_dma + entry * sizeof(struct boom_tx_desc)) |
2329 | break; /* It still hasn't been processed. */ | |
2330 | #else | |
2331 | if ((vp->tx_ring[entry].status & DN_COMPLETE) == 0) | |
2332 | break; /* It still hasn't been processed. */ | |
2333 | #endif | |
6aa20a22 | 2334 | |
1da177e4 LT |
2335 | if (vp->tx_skbuff[entry]) { |
2336 | struct sk_buff *skb = vp->tx_skbuff[entry]; | |
6aa20a22 | 2337 | #if DO_ZEROCOPY |
1da177e4 LT |
2338 | int i; |
2339 | for (i=0; i<=skb_shinfo(skb)->nr_frags; i++) | |
2340 | pci_unmap_single(VORTEX_PCI(vp), | |
2341 | le32_to_cpu(vp->tx_ring[entry].frag[i].addr), | |
2342 | le32_to_cpu(vp->tx_ring[entry].frag[i].length)&0xFFF, | |
2343 | PCI_DMA_TODEVICE); | |
2344 | #else | |
2345 | pci_unmap_single(VORTEX_PCI(vp), | |
2346 | le32_to_cpu(vp->tx_ring[entry].addr), skb->len, PCI_DMA_TODEVICE); | |
2347 | #endif | |
2348 | dev_kfree_skb_irq(skb); | |
2349 | vp->tx_skbuff[entry] = NULL; | |
2350 | } else { | |
2351 | printk(KERN_DEBUG "boomerang_interrupt: no skb!\n"); | |
2352 | } | |
2353 | /* vp->stats.tx_packets++; Counted below. */ | |
2354 | dirty_tx++; | |
2355 | } | |
2356 | vp->dirty_tx = dirty_tx; | |
2357 | if (vp->cur_tx - dirty_tx <= TX_RING_SIZE - 1) { | |
2358 | if (vortex_debug > 6) | |
2359 | printk(KERN_DEBUG "boomerang_interrupt: wake queue\n"); | |
2360 | netif_wake_queue (dev); | |
2361 | } | |
2362 | } | |
2363 | ||
2364 | /* Check for all uncommon interrupts at once. */ | |
2365 | if (status & (HostError | RxEarly | StatsFull | TxComplete | IntReq)) | |
2366 | vortex_error(dev, status); | |
2367 | ||
2368 | if (--work_done < 0) { | |
2369 | printk(KERN_WARNING "%s: Too much work in interrupt, status " | |
2370 | "%4.4x.\n", dev->name, status); | |
2371 | /* Disable all pending interrupts. */ | |
2372 | do { | |
2373 | vp->deferred |= status; | |
62afe595 | 2374 | iowrite16(SetStatusEnb | (~vp->deferred & vp->status_enable), |
1da177e4 | 2375 | ioaddr + EL3_CMD); |
62afe595 JL |
2376 | iowrite16(AckIntr | (vp->deferred & 0x7ff), ioaddr + EL3_CMD); |
2377 | } while ((status = ioread16(ioaddr + EL3_CMD)) & IntLatch); | |
1da177e4 LT |
2378 | /* The timer will reenable interrupts. */ |
2379 | mod_timer(&vp->timer, jiffies + 1*HZ); | |
2380 | break; | |
2381 | } | |
2382 | /* Acknowledge the IRQ. */ | |
62afe595 | 2383 | iowrite16(AckIntr | IntReq | IntLatch, ioaddr + EL3_CMD); |
1da177e4 | 2384 | if (vp->cb_fn_base) /* The PCMCIA people are idiots. */ |
62afe595 | 2385 | iowrite32(0x8000, vp->cb_fn_base + 4); |
1da177e4 | 2386 | |
62afe595 | 2387 | } while ((status = ioread16(ioaddr + EL3_STATUS)) & IntLatch); |
1da177e4 LT |
2388 | |
2389 | if (vortex_debug > 4) | |
2390 | printk(KERN_DEBUG "%s: exiting interrupt, status %4.4x.\n", | |
2391 | dev->name, status); | |
2392 | handler_exit: | |
2393 | spin_unlock(&vp->lock); | |
2394 | return IRQ_HANDLED; | |
2395 | } | |
2396 | ||
2397 | static int vortex_rx(struct net_device *dev) | |
2398 | { | |
2399 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2400 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
2401 | int i; |
2402 | short rx_status; | |
2403 | ||
2404 | if (vortex_debug > 5) | |
2405 | printk(KERN_DEBUG "vortex_rx(): status %4.4x, rx_status %4.4x.\n", | |
62afe595 JL |
2406 | ioread16(ioaddr+EL3_STATUS), ioread16(ioaddr+RxStatus)); |
2407 | while ((rx_status = ioread16(ioaddr + RxStatus)) > 0) { | |
1da177e4 | 2408 | if (rx_status & 0x4000) { /* Error, update stats. */ |
62afe595 | 2409 | unsigned char rx_error = ioread8(ioaddr + RxErrors); |
1da177e4 LT |
2410 | if (vortex_debug > 2) |
2411 | printk(KERN_DEBUG " Rx error: status %2.2x.\n", rx_error); | |
2412 | vp->stats.rx_errors++; | |
2413 | if (rx_error & 0x01) vp->stats.rx_over_errors++; | |
2414 | if (rx_error & 0x02) vp->stats.rx_length_errors++; | |
2415 | if (rx_error & 0x04) vp->stats.rx_frame_errors++; | |
2416 | if (rx_error & 0x08) vp->stats.rx_crc_errors++; | |
2417 | if (rx_error & 0x10) vp->stats.rx_length_errors++; | |
2418 | } else { | |
2419 | /* The packet length: up to 4.5K!. */ | |
2420 | int pkt_len = rx_status & 0x1fff; | |
2421 | struct sk_buff *skb; | |
2422 | ||
2423 | skb = dev_alloc_skb(pkt_len + 5); | |
2424 | if (vortex_debug > 4) | |
2425 | printk(KERN_DEBUG "Receiving packet size %d status %4.4x.\n", | |
2426 | pkt_len, rx_status); | |
2427 | if (skb != NULL) { | |
1da177e4 LT |
2428 | skb_reserve(skb, 2); /* Align IP on 16 byte boundaries */ |
2429 | /* 'skb_put()' points to the start of sk_buff data area. */ | |
2430 | if (vp->bus_master && | |
62afe595 | 2431 | ! (ioread16(ioaddr + Wn7_MasterStatus) & 0x8000)) { |
1da177e4 LT |
2432 | dma_addr_t dma = pci_map_single(VORTEX_PCI(vp), skb_put(skb, pkt_len), |
2433 | pkt_len, PCI_DMA_FROMDEVICE); | |
62afe595 JL |
2434 | iowrite32(dma, ioaddr + Wn7_MasterAddr); |
2435 | iowrite16((skb->len + 3) & ~3, ioaddr + Wn7_MasterLen); | |
2436 | iowrite16(StartDMAUp, ioaddr + EL3_CMD); | |
2437 | while (ioread16(ioaddr + Wn7_MasterStatus) & 0x8000) | |
1da177e4 LT |
2438 | ; |
2439 | pci_unmap_single(VORTEX_PCI(vp), dma, pkt_len, PCI_DMA_FROMDEVICE); | |
2440 | } else { | |
62afe595 JL |
2441 | ioread32_rep(ioaddr + RX_FIFO, |
2442 | skb_put(skb, pkt_len), | |
2443 | (pkt_len + 3) >> 2); | |
1da177e4 | 2444 | } |
62afe595 | 2445 | iowrite16(RxDiscard, ioaddr + EL3_CMD); /* Pop top Rx packet. */ |
1da177e4 LT |
2446 | skb->protocol = eth_type_trans(skb, dev); |
2447 | netif_rx(skb); | |
2448 | dev->last_rx = jiffies; | |
2449 | vp->stats.rx_packets++; | |
2450 | /* Wait a limited time to go to next packet. */ | |
2451 | for (i = 200; i >= 0; i--) | |
62afe595 | 2452 | if ( ! (ioread16(ioaddr + EL3_STATUS) & CmdInProgress)) |
1da177e4 LT |
2453 | break; |
2454 | continue; | |
2455 | } else if (vortex_debug > 0) | |
2456 | printk(KERN_NOTICE "%s: No memory to allocate a sk_buff of " | |
2457 | "size %d.\n", dev->name, pkt_len); | |
35b30674 | 2458 | vp->stats.rx_dropped++; |
1da177e4 | 2459 | } |
1da177e4 LT |
2460 | issue_and_wait(dev, RxDiscard); |
2461 | } | |
2462 | ||
2463 | return 0; | |
2464 | } | |
2465 | ||
2466 | static int | |
2467 | boomerang_rx(struct net_device *dev) | |
2468 | { | |
2469 | struct vortex_private *vp = netdev_priv(dev); | |
2470 | int entry = vp->cur_rx % RX_RING_SIZE; | |
62afe595 | 2471 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
2472 | int rx_status; |
2473 | int rx_work_limit = vp->dirty_rx + RX_RING_SIZE - vp->cur_rx; | |
2474 | ||
2475 | if (vortex_debug > 5) | |
62afe595 | 2476 | printk(KERN_DEBUG "boomerang_rx(): status %4.4x\n", ioread16(ioaddr+EL3_STATUS)); |
1da177e4 LT |
2477 | |
2478 | while ((rx_status = le32_to_cpu(vp->rx_ring[entry].status)) & RxDComplete){ | |
2479 | if (--rx_work_limit < 0) | |
2480 | break; | |
2481 | if (rx_status & RxDError) { /* Error, update stats. */ | |
2482 | unsigned char rx_error = rx_status >> 16; | |
2483 | if (vortex_debug > 2) | |
2484 | printk(KERN_DEBUG " Rx error: status %2.2x.\n", rx_error); | |
2485 | vp->stats.rx_errors++; | |
2486 | if (rx_error & 0x01) vp->stats.rx_over_errors++; | |
2487 | if (rx_error & 0x02) vp->stats.rx_length_errors++; | |
2488 | if (rx_error & 0x04) vp->stats.rx_frame_errors++; | |
2489 | if (rx_error & 0x08) vp->stats.rx_crc_errors++; | |
2490 | if (rx_error & 0x10) vp->stats.rx_length_errors++; | |
2491 | } else { | |
2492 | /* The packet length: up to 4.5K!. */ | |
2493 | int pkt_len = rx_status & 0x1fff; | |
2494 | struct sk_buff *skb; | |
2495 | dma_addr_t dma = le32_to_cpu(vp->rx_ring[entry].addr); | |
2496 | ||
2497 | if (vortex_debug > 4) | |
2498 | printk(KERN_DEBUG "Receiving packet size %d status %4.4x.\n", | |
2499 | pkt_len, rx_status); | |
2500 | ||
2501 | /* Check if the packet is long enough to just accept without | |
2502 | copying to a properly sized skbuff. */ | |
cc2d6596 | 2503 | if (pkt_len < rx_copybreak && (skb = dev_alloc_skb(pkt_len + 2)) != NULL) { |
1da177e4 LT |
2504 | skb_reserve(skb, 2); /* Align IP on 16 byte boundaries */ |
2505 | pci_dma_sync_single_for_cpu(VORTEX_PCI(vp), dma, PKT_BUF_SZ, PCI_DMA_FROMDEVICE); | |
2506 | /* 'skb_put()' points to the start of sk_buff data area. */ | |
2507 | memcpy(skb_put(skb, pkt_len), | |
689be439 | 2508 | vp->rx_skbuff[entry]->data, |
1da177e4 LT |
2509 | pkt_len); |
2510 | pci_dma_sync_single_for_device(VORTEX_PCI(vp), dma, PKT_BUF_SZ, PCI_DMA_FROMDEVICE); | |
2511 | vp->rx_copy++; | |
2512 | } else { | |
2513 | /* Pass up the skbuff already on the Rx ring. */ | |
2514 | skb = vp->rx_skbuff[entry]; | |
2515 | vp->rx_skbuff[entry] = NULL; | |
2516 | skb_put(skb, pkt_len); | |
2517 | pci_unmap_single(VORTEX_PCI(vp), dma, PKT_BUF_SZ, PCI_DMA_FROMDEVICE); | |
2518 | vp->rx_nocopy++; | |
2519 | } | |
2520 | skb->protocol = eth_type_trans(skb, dev); | |
2521 | { /* Use hardware checksum info. */ | |
2522 | int csum_bits = rx_status & 0xee000000; | |
2523 | if (csum_bits && | |
2524 | (csum_bits == (IPChksumValid | TCPChksumValid) || | |
2525 | csum_bits == (IPChksumValid | UDPChksumValid))) { | |
2526 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
2527 | vp->rx_csumhits++; | |
2528 | } | |
2529 | } | |
2530 | netif_rx(skb); | |
2531 | dev->last_rx = jiffies; | |
2532 | vp->stats.rx_packets++; | |
2533 | } | |
2534 | entry = (++vp->cur_rx) % RX_RING_SIZE; | |
2535 | } | |
2536 | /* Refill the Rx ring buffers. */ | |
2537 | for (; vp->cur_rx - vp->dirty_rx > 0; vp->dirty_rx++) { | |
2538 | struct sk_buff *skb; | |
2539 | entry = vp->dirty_rx % RX_RING_SIZE; | |
2540 | if (vp->rx_skbuff[entry] == NULL) { | |
2541 | skb = dev_alloc_skb(PKT_BUF_SZ); | |
2542 | if (skb == NULL) { | |
2543 | static unsigned long last_jif; | |
ff5688ae | 2544 | if (time_after(jiffies, last_jif + 10 * HZ)) { |
1da177e4 LT |
2545 | printk(KERN_WARNING "%s: memory shortage\n", dev->name); |
2546 | last_jif = jiffies; | |
2547 | } | |
2548 | if ((vp->cur_rx - vp->dirty_rx) == RX_RING_SIZE) | |
2549 | mod_timer(&vp->rx_oom_timer, RUN_AT(HZ * 1)); | |
2550 | break; /* Bad news! */ | |
2551 | } | |
2552 | skb->dev = dev; /* Mark as being used by this device. */ | |
2553 | skb_reserve(skb, 2); /* Align IP on 16 byte boundaries */ | |
689be439 | 2554 | vp->rx_ring[entry].addr = cpu_to_le32(pci_map_single(VORTEX_PCI(vp), skb->data, PKT_BUF_SZ, PCI_DMA_FROMDEVICE)); |
1da177e4 LT |
2555 | vp->rx_skbuff[entry] = skb; |
2556 | } | |
2557 | vp->rx_ring[entry].status = 0; /* Clear complete bit. */ | |
62afe595 | 2558 | iowrite16(UpUnstall, ioaddr + EL3_CMD); |
1da177e4 LT |
2559 | } |
2560 | return 0; | |
2561 | } | |
2562 | ||
2563 | /* | |
2564 | * If we've hit a total OOM refilling the Rx ring we poll once a second | |
2565 | * for some memory. Otherwise there is no way to restart the rx process. | |
2566 | */ | |
2567 | static void | |
2568 | rx_oom_timer(unsigned long arg) | |
2569 | { | |
2570 | struct net_device *dev = (struct net_device *)arg; | |
2571 | struct vortex_private *vp = netdev_priv(dev); | |
2572 | ||
2573 | spin_lock_irq(&vp->lock); | |
2574 | if ((vp->cur_rx - vp->dirty_rx) == RX_RING_SIZE) /* This test is redundant, but makes me feel good */ | |
2575 | boomerang_rx(dev); | |
2576 | if (vortex_debug > 1) { | |
2577 | printk(KERN_DEBUG "%s: rx_oom_timer %s\n", dev->name, | |
2578 | ((vp->cur_rx - vp->dirty_rx) != RX_RING_SIZE) ? "succeeded" : "retrying"); | |
2579 | } | |
2580 | spin_unlock_irq(&vp->lock); | |
2581 | } | |
2582 | ||
2583 | static void | |
2584 | vortex_down(struct net_device *dev, int final_down) | |
2585 | { | |
2586 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2587 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
2588 | |
2589 | netif_stop_queue (dev); | |
2590 | ||
2591 | del_timer_sync(&vp->rx_oom_timer); | |
2592 | del_timer_sync(&vp->timer); | |
2593 | ||
2594 | /* Turn off statistics ASAP. We update vp->stats below. */ | |
62afe595 | 2595 | iowrite16(StatsDisable, ioaddr + EL3_CMD); |
1da177e4 LT |
2596 | |
2597 | /* Disable the receiver and transmitter. */ | |
62afe595 JL |
2598 | iowrite16(RxDisable, ioaddr + EL3_CMD); |
2599 | iowrite16(TxDisable, ioaddr + EL3_CMD); | |
1da177e4 LT |
2600 | |
2601 | /* Disable receiving 802.1q tagged frames */ | |
2602 | set_8021q_mode(dev, 0); | |
2603 | ||
2604 | if (dev->if_port == XCVR_10base2) | |
2605 | /* Turn off thinnet power. Green! */ | |
62afe595 | 2606 | iowrite16(StopCoax, ioaddr + EL3_CMD); |
1da177e4 | 2607 | |
62afe595 | 2608 | iowrite16(SetIntrEnb | 0x0000, ioaddr + EL3_CMD); |
1da177e4 LT |
2609 | |
2610 | update_stats(ioaddr, dev); | |
2611 | if (vp->full_bus_master_rx) | |
62afe595 | 2612 | iowrite32(0, ioaddr + UpListPtr); |
1da177e4 | 2613 | if (vp->full_bus_master_tx) |
62afe595 | 2614 | iowrite32(0, ioaddr + DownListPtr); |
1da177e4 LT |
2615 | |
2616 | if (final_down && VORTEX_PCI(vp)) { | |
3c8fad18 | 2617 | vp->pm_state_valid = 1; |
1da177e4 LT |
2618 | pci_save_state(VORTEX_PCI(vp)); |
2619 | acpi_set_WOL(dev); | |
2620 | } | |
2621 | } | |
2622 | ||
2623 | static int | |
2624 | vortex_close(struct net_device *dev) | |
2625 | { | |
2626 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2627 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
2628 | int i; |
2629 | ||
2630 | if (netif_device_present(dev)) | |
2631 | vortex_down(dev, 1); | |
2632 | ||
2633 | if (vortex_debug > 1) { | |
2634 | printk(KERN_DEBUG"%s: vortex_close() status %4.4x, Tx status %2.2x.\n", | |
62afe595 | 2635 | dev->name, ioread16(ioaddr + EL3_STATUS), ioread8(ioaddr + TxStatus)); |
1da177e4 LT |
2636 | printk(KERN_DEBUG "%s: vortex close stats: rx_nocopy %d rx_copy %d" |
2637 | " tx_queued %d Rx pre-checksummed %d.\n", | |
2638 | dev->name, vp->rx_nocopy, vp->rx_copy, vp->queued_packet, vp->rx_csumhits); | |
2639 | } | |
2640 | ||
2641 | #if DO_ZEROCOPY | |
32fb5f06 JL |
2642 | if (vp->rx_csumhits && |
2643 | (vp->drv_flags & HAS_HWCKSM) == 0 && | |
2644 | (vp->card_idx >= MAX_UNITS || hw_checksums[vp->card_idx] == -1)) { | |
2645 | printk(KERN_WARNING "%s supports hardware checksums, and we're " | |
2646 | "not using them!\n", dev->name); | |
1da177e4 LT |
2647 | } |
2648 | #endif | |
6aa20a22 | 2649 | |
1da177e4 LT |
2650 | free_irq(dev->irq, dev); |
2651 | ||
2652 | if (vp->full_bus_master_rx) { /* Free Boomerang bus master Rx buffers. */ | |
2653 | for (i = 0; i < RX_RING_SIZE; i++) | |
2654 | if (vp->rx_skbuff[i]) { | |
2655 | pci_unmap_single( VORTEX_PCI(vp), le32_to_cpu(vp->rx_ring[i].addr), | |
2656 | PKT_BUF_SZ, PCI_DMA_FROMDEVICE); | |
2657 | dev_kfree_skb(vp->rx_skbuff[i]); | |
2658 | vp->rx_skbuff[i] = NULL; | |
2659 | } | |
2660 | } | |
2661 | if (vp->full_bus_master_tx) { /* Free Boomerang bus master Tx buffers. */ | |
2662 | for (i = 0; i < TX_RING_SIZE; i++) { | |
2663 | if (vp->tx_skbuff[i]) { | |
2664 | struct sk_buff *skb = vp->tx_skbuff[i]; | |
2665 | #if DO_ZEROCOPY | |
2666 | int k; | |
2667 | ||
2668 | for (k=0; k<=skb_shinfo(skb)->nr_frags; k++) | |
2669 | pci_unmap_single(VORTEX_PCI(vp), | |
2670 | le32_to_cpu(vp->tx_ring[i].frag[k].addr), | |
2671 | le32_to_cpu(vp->tx_ring[i].frag[k].length)&0xFFF, | |
2672 | PCI_DMA_TODEVICE); | |
2673 | #else | |
2674 | pci_unmap_single(VORTEX_PCI(vp), le32_to_cpu(vp->tx_ring[i].addr), skb->len, PCI_DMA_TODEVICE); | |
2675 | #endif | |
2676 | dev_kfree_skb(skb); | |
2677 | vp->tx_skbuff[i] = NULL; | |
2678 | } | |
2679 | } | |
2680 | } | |
2681 | ||
2682 | return 0; | |
2683 | } | |
2684 | ||
2685 | static void | |
2686 | dump_tx_ring(struct net_device *dev) | |
2687 | { | |
2688 | if (vortex_debug > 0) { | |
2689 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2690 | void __iomem *ioaddr = vp->ioaddr; |
6aa20a22 | 2691 | |
1da177e4 LT |
2692 | if (vp->full_bus_master_tx) { |
2693 | int i; | |
62afe595 | 2694 | int stalled = ioread32(ioaddr + PktStatus) & 0x04; /* Possible racy. But it's only debug stuff */ |
1da177e4 LT |
2695 | |
2696 | printk(KERN_ERR " Flags; bus-master %d, dirty %d(%d) current %d(%d)\n", | |
2697 | vp->full_bus_master_tx, | |
2698 | vp->dirty_tx, vp->dirty_tx % TX_RING_SIZE, | |
2699 | vp->cur_tx, vp->cur_tx % TX_RING_SIZE); | |
2700 | printk(KERN_ERR " Transmit list %8.8x vs. %p.\n", | |
62afe595 | 2701 | ioread32(ioaddr + DownListPtr), |
1da177e4 LT |
2702 | &vp->tx_ring[vp->dirty_tx % TX_RING_SIZE]); |
2703 | issue_and_wait(dev, DownStall); | |
2704 | for (i = 0; i < TX_RING_SIZE; i++) { | |
2705 | printk(KERN_ERR " %d: @%p length %8.8x status %8.8x\n", i, | |
2706 | &vp->tx_ring[i], | |
2707 | #if DO_ZEROCOPY | |
2708 | le32_to_cpu(vp->tx_ring[i].frag[0].length), | |
2709 | #else | |
2710 | le32_to_cpu(vp->tx_ring[i].length), | |
2711 | #endif | |
2712 | le32_to_cpu(vp->tx_ring[i].status)); | |
2713 | } | |
2714 | if (!stalled) | |
62afe595 | 2715 | iowrite16(DownUnstall, ioaddr + EL3_CMD); |
1da177e4 LT |
2716 | } |
2717 | } | |
2718 | } | |
2719 | ||
2720 | static struct net_device_stats *vortex_get_stats(struct net_device *dev) | |
2721 | { | |
2722 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2723 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
2724 | unsigned long flags; |
2725 | ||
2726 | if (netif_device_present(dev)) { /* AKPM: Used to be netif_running */ | |
2727 | spin_lock_irqsave (&vp->lock, flags); | |
62afe595 | 2728 | update_stats(ioaddr, dev); |
1da177e4 LT |
2729 | spin_unlock_irqrestore (&vp->lock, flags); |
2730 | } | |
2731 | return &vp->stats; | |
2732 | } | |
2733 | ||
2734 | /* Update statistics. | |
2735 | Unlike with the EL3 we need not worry about interrupts changing | |
2736 | the window setting from underneath us, but we must still guard | |
2737 | against a race condition with a StatsUpdate interrupt updating the | |
2738 | table. This is done by checking that the ASM (!) code generated uses | |
2739 | atomic updates with '+='. | |
2740 | */ | |
62afe595 | 2741 | static void update_stats(void __iomem *ioaddr, struct net_device *dev) |
1da177e4 LT |
2742 | { |
2743 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2744 | int old_window = ioread16(ioaddr + EL3_CMD); |
1da177e4 LT |
2745 | |
2746 | if (old_window == 0xffff) /* Chip suspended or ejected. */ | |
2747 | return; | |
2748 | /* Unlike the 3c5x9 we need not turn off stats updates while reading. */ | |
2749 | /* Switch to the stats window, and read everything. */ | |
2750 | EL3WINDOW(6); | |
62afe595 JL |
2751 | vp->stats.tx_carrier_errors += ioread8(ioaddr + 0); |
2752 | vp->stats.tx_heartbeat_errors += ioread8(ioaddr + 1); | |
62afe595 JL |
2753 | vp->stats.tx_window_errors += ioread8(ioaddr + 4); |
2754 | vp->stats.rx_fifo_errors += ioread8(ioaddr + 5); | |
2755 | vp->stats.tx_packets += ioread8(ioaddr + 6); | |
2756 | vp->stats.tx_packets += (ioread8(ioaddr + 9)&0x30) << 4; | |
2757 | /* Rx packets */ ioread8(ioaddr + 7); /* Must read to clear */ | |
1da177e4 LT |
2758 | /* Don't bother with register 9, an extension of registers 6&7. |
2759 | If we do use the 6&7 values the atomic update assumption above | |
2760 | is invalid. */ | |
62afe595 JL |
2761 | vp->stats.rx_bytes += ioread16(ioaddr + 10); |
2762 | vp->stats.tx_bytes += ioread16(ioaddr + 12); | |
1da177e4 | 2763 | /* Extra stats for get_ethtool_stats() */ |
62afe595 | 2764 | vp->xstats.tx_multiple_collisions += ioread8(ioaddr + 2); |
8d1d0340 | 2765 | vp->xstats.tx_single_collisions += ioread8(ioaddr + 3); |
62afe595 | 2766 | vp->xstats.tx_deferred += ioread8(ioaddr + 8); |
1da177e4 | 2767 | EL3WINDOW(4); |
62afe595 | 2768 | vp->xstats.rx_bad_ssd += ioread8(ioaddr + 12); |
1da177e4 | 2769 | |
8d1d0340 SK |
2770 | vp->stats.collisions = vp->xstats.tx_multiple_collisions |
2771 | + vp->xstats.tx_single_collisions | |
2772 | + vp->xstats.tx_max_collisions; | |
2773 | ||
1da177e4 | 2774 | { |
62afe595 | 2775 | u8 up = ioread8(ioaddr + 13); |
1da177e4 LT |
2776 | vp->stats.rx_bytes += (up & 0x0f) << 16; |
2777 | vp->stats.tx_bytes += (up & 0xf0) << 12; | |
2778 | } | |
2779 | ||
2780 | EL3WINDOW(old_window >> 13); | |
2781 | return; | |
2782 | } | |
2783 | ||
2784 | static int vortex_nway_reset(struct net_device *dev) | |
2785 | { | |
2786 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2787 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
2788 | unsigned long flags; |
2789 | int rc; | |
2790 | ||
2791 | spin_lock_irqsave(&vp->lock, flags); | |
2792 | EL3WINDOW(4); | |
2793 | rc = mii_nway_restart(&vp->mii); | |
2794 | spin_unlock_irqrestore(&vp->lock, flags); | |
2795 | return rc; | |
2796 | } | |
2797 | ||
1da177e4 LT |
2798 | static int vortex_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
2799 | { | |
2800 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2801 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
2802 | unsigned long flags; |
2803 | int rc; | |
2804 | ||
2805 | spin_lock_irqsave(&vp->lock, flags); | |
2806 | EL3WINDOW(4); | |
2807 | rc = mii_ethtool_gset(&vp->mii, cmd); | |
2808 | spin_unlock_irqrestore(&vp->lock, flags); | |
2809 | return rc; | |
2810 | } | |
2811 | ||
2812 | static int vortex_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
2813 | { | |
2814 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2815 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
2816 | unsigned long flags; |
2817 | int rc; | |
2818 | ||
2819 | spin_lock_irqsave(&vp->lock, flags); | |
2820 | EL3WINDOW(4); | |
2821 | rc = mii_ethtool_sset(&vp->mii, cmd); | |
2822 | spin_unlock_irqrestore(&vp->lock, flags); | |
2823 | return rc; | |
2824 | } | |
2825 | ||
2826 | static u32 vortex_get_msglevel(struct net_device *dev) | |
2827 | { | |
2828 | return vortex_debug; | |
2829 | } | |
2830 | ||
2831 | static void vortex_set_msglevel(struct net_device *dev, u32 dbg) | |
2832 | { | |
2833 | vortex_debug = dbg; | |
2834 | } | |
2835 | ||
b9f2c044 | 2836 | static int vortex_get_sset_count(struct net_device *dev, int sset) |
1da177e4 | 2837 | { |
b9f2c044 JG |
2838 | switch (sset) { |
2839 | case ETH_SS_STATS: | |
2840 | return VORTEX_NUM_STATS; | |
2841 | default: | |
2842 | return -EOPNOTSUPP; | |
2843 | } | |
1da177e4 LT |
2844 | } |
2845 | ||
2846 | static void vortex_get_ethtool_stats(struct net_device *dev, | |
2847 | struct ethtool_stats *stats, u64 *data) | |
2848 | { | |
2849 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2850 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
2851 | unsigned long flags; |
2852 | ||
2853 | spin_lock_irqsave(&vp->lock, flags); | |
62afe595 | 2854 | update_stats(ioaddr, dev); |
1da177e4 LT |
2855 | spin_unlock_irqrestore(&vp->lock, flags); |
2856 | ||
2857 | data[0] = vp->xstats.tx_deferred; | |
8d1d0340 SK |
2858 | data[1] = vp->xstats.tx_max_collisions; |
2859 | data[2] = vp->xstats.tx_multiple_collisions; | |
2860 | data[3] = vp->xstats.tx_single_collisions; | |
2861 | data[4] = vp->xstats.rx_bad_ssd; | |
1da177e4 LT |
2862 | } |
2863 | ||
2864 | ||
2865 | static void vortex_get_strings(struct net_device *dev, u32 stringset, u8 *data) | |
2866 | { | |
2867 | switch (stringset) { | |
2868 | case ETH_SS_STATS: | |
2869 | memcpy(data, ðtool_stats_keys, sizeof(ethtool_stats_keys)); | |
2870 | break; | |
2871 | default: | |
2872 | WARN_ON(1); | |
2873 | break; | |
2874 | } | |
2875 | } | |
2876 | ||
2877 | static void vortex_get_drvinfo(struct net_device *dev, | |
2878 | struct ethtool_drvinfo *info) | |
2879 | { | |
2880 | struct vortex_private *vp = netdev_priv(dev); | |
2881 | ||
2882 | strcpy(info->driver, DRV_NAME); | |
1da177e4 LT |
2883 | if (VORTEX_PCI(vp)) { |
2884 | strcpy(info->bus_info, pci_name(VORTEX_PCI(vp))); | |
2885 | } else { | |
2886 | if (VORTEX_EISA(vp)) | |
2887 | sprintf(info->bus_info, vp->gendev->bus_id); | |
2888 | else | |
2889 | sprintf(info->bus_info, "EISA 0x%lx %d", | |
2890 | dev->base_addr, dev->irq); | |
2891 | } | |
2892 | } | |
2893 | ||
7282d491 | 2894 | static const struct ethtool_ops vortex_ethtool_ops = { |
1da177e4 LT |
2895 | .get_drvinfo = vortex_get_drvinfo, |
2896 | .get_strings = vortex_get_strings, | |
2897 | .get_msglevel = vortex_get_msglevel, | |
2898 | .set_msglevel = vortex_set_msglevel, | |
2899 | .get_ethtool_stats = vortex_get_ethtool_stats, | |
b9f2c044 | 2900 | .get_sset_count = vortex_get_sset_count, |
1da177e4 LT |
2901 | .get_settings = vortex_get_settings, |
2902 | .set_settings = vortex_set_settings, | |
373a6887 | 2903 | .get_link = ethtool_op_get_link, |
1da177e4 LT |
2904 | .nway_reset = vortex_nway_reset, |
2905 | }; | |
2906 | ||
2907 | #ifdef CONFIG_PCI | |
2908 | /* | |
2909 | * Must power the device up to do MDIO operations | |
2910 | */ | |
2911 | static int vortex_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) | |
2912 | { | |
2913 | int err; | |
2914 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 2915 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 | 2916 | unsigned long flags; |
cc2d6596 | 2917 | pci_power_t state = 0; |
1da177e4 LT |
2918 | |
2919 | if(VORTEX_PCI(vp)) | |
2920 | state = VORTEX_PCI(vp)->current_state; | |
2921 | ||
2922 | /* The kernel core really should have pci_get_power_state() */ | |
2923 | ||
2924 | if(state != 0) | |
2925 | pci_set_power_state(VORTEX_PCI(vp), PCI_D0); | |
2926 | spin_lock_irqsave(&vp->lock, flags); | |
2927 | EL3WINDOW(4); | |
2928 | err = generic_mii_ioctl(&vp->mii, if_mii(rq), cmd, NULL); | |
2929 | spin_unlock_irqrestore(&vp->lock, flags); | |
2930 | if(state != 0) | |
2931 | pci_set_power_state(VORTEX_PCI(vp), state); | |
2932 | ||
2933 | return err; | |
2934 | } | |
2935 | #endif | |
2936 | ||
2937 | ||
2938 | /* Pre-Cyclone chips have no documented multicast filter, so the only | |
2939 | multicast setting is to receive all multicast frames. At least | |
2940 | the chip has a very clean way to set the mode, unlike many others. */ | |
2941 | static void set_rx_mode(struct net_device *dev) | |
2942 | { | |
62afe595 JL |
2943 | struct vortex_private *vp = netdev_priv(dev); |
2944 | void __iomem *ioaddr = vp->ioaddr; | |
1da177e4 LT |
2945 | int new_mode; |
2946 | ||
2947 | if (dev->flags & IFF_PROMISC) { | |
d5b20697 | 2948 | if (vortex_debug > 3) |
1da177e4 LT |
2949 | printk(KERN_NOTICE "%s: Setting promiscuous mode.\n", dev->name); |
2950 | new_mode = SetRxFilter|RxStation|RxMulticast|RxBroadcast|RxProm; | |
2951 | } else if ((dev->mc_list) || (dev->flags & IFF_ALLMULTI)) { | |
2952 | new_mode = SetRxFilter|RxStation|RxMulticast|RxBroadcast; | |
2953 | } else | |
2954 | new_mode = SetRxFilter | RxStation | RxBroadcast; | |
2955 | ||
62afe595 | 2956 | iowrite16(new_mode, ioaddr + EL3_CMD); |
1da177e4 LT |
2957 | } |
2958 | ||
2959 | #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) | |
2960 | /* Setup the card so that it can receive frames with an 802.1q VLAN tag. | |
2961 | Note that this must be done after each RxReset due to some backwards | |
2962 | compatibility logic in the Cyclone and Tornado ASICs */ | |
2963 | ||
2964 | /* The Ethernet Type used for 802.1q tagged frames */ | |
2965 | #define VLAN_ETHER_TYPE 0x8100 | |
2966 | ||
2967 | static void set_8021q_mode(struct net_device *dev, int enable) | |
2968 | { | |
2969 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 JL |
2970 | void __iomem *ioaddr = vp->ioaddr; |
2971 | int old_window = ioread16(ioaddr + EL3_CMD); | |
1da177e4 LT |
2972 | int mac_ctrl; |
2973 | ||
2974 | if ((vp->drv_flags&IS_CYCLONE) || (vp->drv_flags&IS_TORNADO)) { | |
2975 | /* cyclone and tornado chipsets can recognize 802.1q | |
2976 | * tagged frames and treat them correctly */ | |
2977 | ||
2978 | int max_pkt_size = dev->mtu+14; /* MTU+Ethernet header */ | |
2979 | if (enable) | |
2980 | max_pkt_size += 4; /* 802.1Q VLAN tag */ | |
2981 | ||
2982 | EL3WINDOW(3); | |
62afe595 | 2983 | iowrite16(max_pkt_size, ioaddr+Wn3_MaxPktSize); |
1da177e4 LT |
2984 | |
2985 | /* set VlanEtherType to let the hardware checksumming | |
2986 | treat tagged frames correctly */ | |
2987 | EL3WINDOW(7); | |
62afe595 | 2988 | iowrite16(VLAN_ETHER_TYPE, ioaddr+Wn7_VlanEtherType); |
1da177e4 LT |
2989 | } else { |
2990 | /* on older cards we have to enable large frames */ | |
2991 | ||
2992 | vp->large_frames = dev->mtu > 1500 || enable; | |
2993 | ||
2994 | EL3WINDOW(3); | |
62afe595 | 2995 | mac_ctrl = ioread16(ioaddr+Wn3_MAC_Ctrl); |
1da177e4 LT |
2996 | if (vp->large_frames) |
2997 | mac_ctrl |= 0x40; | |
2998 | else | |
2999 | mac_ctrl &= ~0x40; | |
62afe595 | 3000 | iowrite16(mac_ctrl, ioaddr+Wn3_MAC_Ctrl); |
1da177e4 LT |
3001 | } |
3002 | ||
3003 | EL3WINDOW(old_window); | |
3004 | } | |
3005 | #else | |
3006 | ||
3007 | static void set_8021q_mode(struct net_device *dev, int enable) | |
3008 | { | |
3009 | } | |
3010 | ||
3011 | ||
3012 | #endif | |
3013 | ||
3014 | /* MII transceiver control section. | |
3015 | Read and write the MII registers using software-generated serial | |
3016 | MDIO protocol. See the MII specifications or DP83840A data sheet | |
3017 | for details. */ | |
3018 | ||
3019 | /* The maximum data clock rate is 2.5 Mhz. The minimum timing is usually | |
3020 | met by back-to-back PCI I/O cycles, but we insert a delay to avoid | |
3021 | "overclocking" issues. */ | |
62afe595 | 3022 | #define mdio_delay() ioread32(mdio_addr) |
1da177e4 LT |
3023 | |
3024 | #define MDIO_SHIFT_CLK 0x01 | |
3025 | #define MDIO_DIR_WRITE 0x04 | |
3026 | #define MDIO_DATA_WRITE0 (0x00 | MDIO_DIR_WRITE) | |
3027 | #define MDIO_DATA_WRITE1 (0x02 | MDIO_DIR_WRITE) | |
3028 | #define MDIO_DATA_READ 0x02 | |
3029 | #define MDIO_ENB_IN 0x00 | |
3030 | ||
3031 | /* Generate the preamble required for initial synchronization and | |
3032 | a few older transceivers. */ | |
62afe595 | 3033 | static void mdio_sync(void __iomem *ioaddr, int bits) |
1da177e4 | 3034 | { |
62afe595 | 3035 | void __iomem *mdio_addr = ioaddr + Wn4_PhysicalMgmt; |
1da177e4 LT |
3036 | |
3037 | /* Establish sync by sending at least 32 logic ones. */ | |
3038 | while (-- bits >= 0) { | |
62afe595 | 3039 | iowrite16(MDIO_DATA_WRITE1, mdio_addr); |
1da177e4 | 3040 | mdio_delay(); |
62afe595 | 3041 | iowrite16(MDIO_DATA_WRITE1 | MDIO_SHIFT_CLK, mdio_addr); |
1da177e4 LT |
3042 | mdio_delay(); |
3043 | } | |
3044 | } | |
3045 | ||
3046 | static int mdio_read(struct net_device *dev, int phy_id, int location) | |
3047 | { | |
3048 | int i; | |
62afe595 JL |
3049 | struct vortex_private *vp = netdev_priv(dev); |
3050 | void __iomem *ioaddr = vp->ioaddr; | |
1da177e4 LT |
3051 | int read_cmd = (0xf6 << 10) | (phy_id << 5) | location; |
3052 | unsigned int retval = 0; | |
62afe595 | 3053 | void __iomem *mdio_addr = ioaddr + Wn4_PhysicalMgmt; |
1da177e4 LT |
3054 | |
3055 | if (mii_preamble_required) | |
3056 | mdio_sync(ioaddr, 32); | |
3057 | ||
3058 | /* Shift the read command bits out. */ | |
3059 | for (i = 14; i >= 0; i--) { | |
3060 | int dataval = (read_cmd&(1<<i)) ? MDIO_DATA_WRITE1 : MDIO_DATA_WRITE0; | |
62afe595 | 3061 | iowrite16(dataval, mdio_addr); |
1da177e4 | 3062 | mdio_delay(); |
62afe595 | 3063 | iowrite16(dataval | MDIO_SHIFT_CLK, mdio_addr); |
1da177e4 LT |
3064 | mdio_delay(); |
3065 | } | |
3066 | /* Read the two transition, 16 data, and wire-idle bits. */ | |
3067 | for (i = 19; i > 0; i--) { | |
62afe595 | 3068 | iowrite16(MDIO_ENB_IN, mdio_addr); |
1da177e4 | 3069 | mdio_delay(); |
62afe595 JL |
3070 | retval = (retval << 1) | ((ioread16(mdio_addr) & MDIO_DATA_READ) ? 1 : 0); |
3071 | iowrite16(MDIO_ENB_IN | MDIO_SHIFT_CLK, mdio_addr); | |
1da177e4 LT |
3072 | mdio_delay(); |
3073 | } | |
3074 | return retval & 0x20000 ? 0xffff : retval>>1 & 0xffff; | |
3075 | } | |
3076 | ||
3077 | static void mdio_write(struct net_device *dev, int phy_id, int location, int value) | |
3078 | { | |
62afe595 JL |
3079 | struct vortex_private *vp = netdev_priv(dev); |
3080 | void __iomem *ioaddr = vp->ioaddr; | |
1da177e4 | 3081 | int write_cmd = 0x50020000 | (phy_id << 23) | (location << 18) | value; |
62afe595 | 3082 | void __iomem *mdio_addr = ioaddr + Wn4_PhysicalMgmt; |
1da177e4 LT |
3083 | int i; |
3084 | ||
3085 | if (mii_preamble_required) | |
3086 | mdio_sync(ioaddr, 32); | |
3087 | ||
3088 | /* Shift the command bits out. */ | |
3089 | for (i = 31; i >= 0; i--) { | |
3090 | int dataval = (write_cmd&(1<<i)) ? MDIO_DATA_WRITE1 : MDIO_DATA_WRITE0; | |
62afe595 | 3091 | iowrite16(dataval, mdio_addr); |
1da177e4 | 3092 | mdio_delay(); |
62afe595 | 3093 | iowrite16(dataval | MDIO_SHIFT_CLK, mdio_addr); |
1da177e4 LT |
3094 | mdio_delay(); |
3095 | } | |
3096 | /* Leave the interface idle. */ | |
3097 | for (i = 1; i >= 0; i--) { | |
62afe595 | 3098 | iowrite16(MDIO_ENB_IN, mdio_addr); |
1da177e4 | 3099 | mdio_delay(); |
62afe595 | 3100 | iowrite16(MDIO_ENB_IN | MDIO_SHIFT_CLK, mdio_addr); |
1da177e4 LT |
3101 | mdio_delay(); |
3102 | } | |
3103 | return; | |
3104 | } | |
a880c4cd | 3105 | |
1da177e4 LT |
3106 | /* ACPI: Advanced Configuration and Power Interface. */ |
3107 | /* Set Wake-On-LAN mode and put the board into D3 (power-down) state. */ | |
3108 | static void acpi_set_WOL(struct net_device *dev) | |
3109 | { | |
3110 | struct vortex_private *vp = netdev_priv(dev); | |
62afe595 | 3111 | void __iomem *ioaddr = vp->ioaddr; |
1da177e4 LT |
3112 | |
3113 | if (vp->enable_wol) { | |
3114 | /* Power up on: 1==Downloaded Filter, 2==Magic Packets, 4==Link Status. */ | |
3115 | EL3WINDOW(7); | |
62afe595 | 3116 | iowrite16(2, ioaddr + 0x0c); |
1da177e4 | 3117 | /* The RxFilter must accept the WOL frames. */ |
62afe595 JL |
3118 | iowrite16(SetRxFilter|RxStation|RxMulticast|RxBroadcast, ioaddr + EL3_CMD); |
3119 | iowrite16(RxEnable, ioaddr + EL3_CMD); | |
1da177e4 LT |
3120 | |
3121 | pci_enable_wake(VORTEX_PCI(vp), 0, 1); | |
3c8fad18 DR |
3122 | |
3123 | /* Change the power state to D3; RxEnable doesn't take effect. */ | |
3124 | pci_set_power_state(VORTEX_PCI(vp), PCI_D3hot); | |
1da177e4 | 3125 | } |
1da177e4 LT |
3126 | } |
3127 | ||
3128 | ||
a880c4cd | 3129 | static void __devexit vortex_remove_one(struct pci_dev *pdev) |
1da177e4 LT |
3130 | { |
3131 | struct net_device *dev = pci_get_drvdata(pdev); | |
3132 | struct vortex_private *vp; | |
3133 | ||
3134 | if (!dev) { | |
3135 | printk("vortex_remove_one called for Compaq device!\n"); | |
3136 | BUG(); | |
3137 | } | |
3138 | ||
3139 | vp = netdev_priv(dev); | |
3140 | ||
62afe595 JL |
3141 | if (vp->cb_fn_base) |
3142 | pci_iounmap(VORTEX_PCI(vp), vp->cb_fn_base); | |
3143 | ||
1da177e4 LT |
3144 | unregister_netdev(dev); |
3145 | ||
3146 | if (VORTEX_PCI(vp)) { | |
3147 | pci_set_power_state(VORTEX_PCI(vp), PCI_D0); /* Go active */ | |
3148 | if (vp->pm_state_valid) | |
3149 | pci_restore_state(VORTEX_PCI(vp)); | |
3150 | pci_disable_device(VORTEX_PCI(vp)); | |
3151 | } | |
3152 | /* Should really use issue_and_wait() here */ | |
62afe595 JL |
3153 | iowrite16(TotalReset | ((vp->drv_flags & EEPROM_RESET) ? 0x04 : 0x14), |
3154 | vp->ioaddr + EL3_CMD); | |
3155 | ||
3156 | pci_iounmap(VORTEX_PCI(vp), vp->ioaddr); | |
1da177e4 LT |
3157 | |
3158 | pci_free_consistent(pdev, | |
3159 | sizeof(struct boom_rx_desc) * RX_RING_SIZE | |
3160 | + sizeof(struct boom_tx_desc) * TX_RING_SIZE, | |
3161 | vp->rx_ring, | |
3162 | vp->rx_ring_dma); | |
3163 | if (vp->must_free_region) | |
3164 | release_region(dev->base_addr, vp->io_size); | |
3165 | free_netdev(dev); | |
3166 | } | |
3167 | ||
3168 | ||
3169 | static struct pci_driver vortex_driver = { | |
3170 | .name = "3c59x", | |
3171 | .probe = vortex_init_one, | |
3172 | .remove = __devexit_p(vortex_remove_one), | |
3173 | .id_table = vortex_pci_tbl, | |
3174 | #ifdef CONFIG_PM | |
3175 | .suspend = vortex_suspend, | |
3176 | .resume = vortex_resume, | |
3177 | #endif | |
3178 | }; | |
3179 | ||
3180 | ||
3181 | static int vortex_have_pci; | |
3182 | static int vortex_have_eisa; | |
3183 | ||
3184 | ||
a880c4cd | 3185 | static int __init vortex_init(void) |
1da177e4 LT |
3186 | { |
3187 | int pci_rc, eisa_rc; | |
3188 | ||
29917620 | 3189 | pci_rc = pci_register_driver(&vortex_driver); |
1da177e4 LT |
3190 | eisa_rc = vortex_eisa_init(); |
3191 | ||
3192 | if (pci_rc == 0) | |
3193 | vortex_have_pci = 1; | |
3194 | if (eisa_rc > 0) | |
3195 | vortex_have_eisa = 1; | |
3196 | ||
3197 | return (vortex_have_pci + vortex_have_eisa) ? 0 : -ENODEV; | |
3198 | } | |
3199 | ||
3200 | ||
a880c4cd | 3201 | static void __exit vortex_eisa_cleanup(void) |
1da177e4 LT |
3202 | { |
3203 | struct vortex_private *vp; | |
62afe595 | 3204 | void __iomem *ioaddr; |
1da177e4 LT |
3205 | |
3206 | #ifdef CONFIG_EISA | |
3207 | /* Take care of the EISA devices */ | |
a880c4cd | 3208 | eisa_driver_unregister(&vortex_eisa_driver); |
1da177e4 | 3209 | #endif |
6aa20a22 | 3210 | |
1da177e4 LT |
3211 | if (compaq_net_device) { |
3212 | vp = compaq_net_device->priv; | |
62afe595 JL |
3213 | ioaddr = ioport_map(compaq_net_device->base_addr, |
3214 | VORTEX_TOTAL_SIZE); | |
1da177e4 | 3215 | |
a880c4cd SK |
3216 | unregister_netdev(compaq_net_device); |
3217 | iowrite16(TotalReset, ioaddr + EL3_CMD); | |
62afe595 JL |
3218 | release_region(compaq_net_device->base_addr, |
3219 | VORTEX_TOTAL_SIZE); | |
1da177e4 | 3220 | |
a880c4cd | 3221 | free_netdev(compaq_net_device); |
1da177e4 LT |
3222 | } |
3223 | } | |
3224 | ||
3225 | ||
a880c4cd | 3226 | static void __exit vortex_cleanup(void) |
1da177e4 LT |
3227 | { |
3228 | if (vortex_have_pci) | |
a880c4cd | 3229 | pci_unregister_driver(&vortex_driver); |
1da177e4 | 3230 | if (vortex_have_eisa) |
a880c4cd | 3231 | vortex_eisa_cleanup(); |
1da177e4 LT |
3232 | } |
3233 | ||
3234 | ||
3235 | module_init(vortex_init); | |
3236 | module_exit(vortex_cleanup); |