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8199d3a7 CL |
1 | /***************************************************************************** |
2 | * * | |
3 | * File: common.h * | |
559fb51b SB |
4 | * $Revision: 1.21 $ * |
5 | * $Date: 2005/06/22 00:43:25 $ * | |
8199d3a7 CL |
6 | * Description: * |
7 | * part of the Chelsio 10Gb Ethernet Driver. * | |
8 | * * | |
9 | * This program is free software; you can redistribute it and/or modify * | |
10 | * it under the terms of the GNU General Public License, version 2, as * | |
11 | * published by the Free Software Foundation. * | |
12 | * * | |
13 | * You should have received a copy of the GNU General Public License along * | |
14 | * with this program; if not, write to the Free Software Foundation, Inc., * | |
15 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * | |
16 | * * | |
17 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * | |
18 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * | |
19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * | |
20 | * * | |
21 | * http://www.chelsio.com * | |
22 | * * | |
23 | * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * | |
24 | * All rights reserved. * | |
25 | * * | |
26 | * Maintainers: maintainers@chelsio.com * | |
27 | * * | |
28 | * Authors: Dimitrios Michailidis <dm@chelsio.com> * | |
29 | * Tina Yang <tainay@chelsio.com> * | |
30 | * Felix Marti <felix@chelsio.com> * | |
31 | * Scott Bardone <sbardone@chelsio.com> * | |
32 | * Kurt Ottaway <kottaway@chelsio.com> * | |
33 | * Frank DiMambro <frank@chelsio.com> * | |
34 | * * | |
35 | * History: * | |
36 | * * | |
37 | ****************************************************************************/ | |
38 | ||
559fb51b SB |
39 | #ifndef _CXGB_COMMON_H_ |
40 | #define _CXGB_COMMON_H_ | |
41 | ||
559fb51b SB |
42 | #include <linux/module.h> |
43 | #include <linux/netdevice.h> | |
44 | #include <linux/types.h> | |
45 | #include <linux/delay.h> | |
46 | #include <linux/pci.h> | |
47 | #include <linux/ethtool.h> | |
f1d3d38a | 48 | #include <linux/if_vlan.h> |
23c3320c | 49 | #include <linux/mdio.h> |
559fb51b SB |
50 | #include <linux/crc32.h> |
51 | #include <linux/init.h> | |
52 | #include <asm/io.h> | |
53 | #include <linux/pci_ids.h> | |
54 | ||
55 | #define DRV_DESCRIPTION "Chelsio 10Gb Ethernet Driver" | |
56 | #define DRV_NAME "cxgb" | |
f1d3d38a | 57 | #define DRV_VERSION "2.2" |
559fb51b SB |
58 | #define PFX DRV_NAME ": " |
59 | ||
60 | #define CH_ERR(fmt, ...) printk(KERN_ERR PFX fmt, ## __VA_ARGS__) | |
61 | #define CH_WARN(fmt, ...) printk(KERN_WARNING PFX fmt, ## __VA_ARGS__) | |
62 | #define CH_ALERT(fmt, ...) printk(KERN_ALERT PFX fmt, ## __VA_ARGS__) | |
63 | ||
f1d3d38a SH |
64 | /* |
65 | * More powerful macro that selectively prints messages based on msg_enable. | |
66 | * For info and debugging messages. | |
67 | */ | |
68 | #define CH_MSG(adapter, level, category, fmt, ...) do { \ | |
69 | if ((adapter)->msg_enable & NETIF_MSG_##category) \ | |
70 | printk(KERN_##level PFX "%s: " fmt, (adapter)->name, \ | |
71 | ## __VA_ARGS__); \ | |
72 | } while (0) | |
73 | ||
74 | #ifdef DEBUG | |
75 | # define CH_DBG(adapter, category, fmt, ...) \ | |
76 | CH_MSG(adapter, DEBUG, category, fmt, ## __VA_ARGS__) | |
77 | #else | |
78 | # define CH_DBG(fmt, ...) | |
79 | #endif | |
80 | ||
559fb51b SB |
81 | #define CH_DEVICE(devid, ssid, idx) \ |
82 | { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx } | |
83 | ||
84 | #define SUPPORTED_PAUSE (1 << 13) | |
85 | #define SUPPORTED_LOOPBACK (1 << 15) | |
86 | ||
87 | #define ADVERTISED_PAUSE (1 << 13) | |
88 | #define ADVERTISED_ASYM_PAUSE (1 << 14) | |
89 | ||
90 | typedef struct adapter adapter_t; | |
91 | ||
559fb51b SB |
92 | struct t1_rx_mode { |
93 | struct net_device *dev; | |
94 | u32 idx; | |
95 | struct dev_mc_list *list; | |
96 | }; | |
97 | ||
98 | #define t1_rx_mode_promisc(rm) (rm->dev->flags & IFF_PROMISC) | |
99 | #define t1_rx_mode_allmulti(rm) (rm->dev->flags & IFF_ALLMULTI) | |
100 | #define t1_rx_mode_mc_cnt(rm) (rm->dev->mc_count) | |
101 | ||
102 | static inline u8 *t1_get_next_mcaddr(struct t1_rx_mode *rm) | |
103 | { | |
91fb4c96 | 104 | u8 *addr = NULL; |
8199d3a7 | 105 | |
559fb51b SB |
106 | if (rm->idx++ < rm->dev->mc_count) { |
107 | addr = rm->list->dmi_addr; | |
108 | rm->list = rm->list->next; | |
109 | } | |
110 | return addr; | |
111 | } | |
112 | ||
113 | #define MAX_NPORTS 4 | |
f1d3d38a SH |
114 | #define PORT_MASK ((1 << MAX_NPORTS) - 1) |
115 | #define NMTUS 8 | |
116 | #define TCB_SIZE 128 | |
8199d3a7 | 117 | |
559fb51b SB |
118 | #define SPEED_INVALID 0xffff |
119 | #define DUPLEX_INVALID 0xff | |
8199d3a7 CL |
120 | |
121 | enum { | |
8199d3a7 | 122 | CHBT_BOARD_N110, |
f1d3d38a SH |
123 | CHBT_BOARD_N210, |
124 | CHBT_BOARD_7500, | |
125 | CHBT_BOARD_8000, | |
126 | CHBT_BOARD_CHT101, | |
127 | CHBT_BOARD_CHT110, | |
128 | CHBT_BOARD_CHT210, | |
129 | CHBT_BOARD_CHT204, | |
130 | CHBT_BOARD_CHT204V, | |
131 | CHBT_BOARD_CHT204E, | |
132 | CHBT_BOARD_CHN204, | |
133 | CHBT_BOARD_COUGAR, | |
134 | CHBT_BOARD_6800, | |
135 | CHBT_BOARD_SIMUL, | |
8199d3a7 CL |
136 | }; |
137 | ||
138 | enum { | |
f1d3d38a | 139 | CHBT_TERM_FPGA, |
8199d3a7 | 140 | CHBT_TERM_T1, |
f1d3d38a SH |
141 | CHBT_TERM_T2, |
142 | CHBT_TERM_T3 | |
8199d3a7 CL |
143 | }; |
144 | ||
145 | enum { | |
f1d3d38a SH |
146 | CHBT_MAC_CHELSIO_A, |
147 | CHBT_MAC_IXF1010, | |
8199d3a7 | 148 | CHBT_MAC_PM3393, |
f1d3d38a SH |
149 | CHBT_MAC_VSC7321, |
150 | CHBT_MAC_DUMMY | |
8199d3a7 CL |
151 | }; |
152 | ||
153 | enum { | |
f1d3d38a SH |
154 | CHBT_PHY_88E1041, |
155 | CHBT_PHY_88E1111, | |
8199d3a7 | 156 | CHBT_PHY_88X2010, |
f1d3d38a SH |
157 | CHBT_PHY_XPAK, |
158 | CHBT_PHY_MY3126, | |
159 | CHBT_PHY_8244, | |
160 | CHBT_PHY_DUMMY | |
8199d3a7 CL |
161 | }; |
162 | ||
163 | enum { | |
559fb51b SB |
164 | PAUSE_RX = 1 << 0, |
165 | PAUSE_TX = 1 << 1, | |
166 | PAUSE_AUTONEG = 1 << 2 | |
8199d3a7 CL |
167 | }; |
168 | ||
169 | /* Revisions of T1 chip */ | |
559fb51b SB |
170 | enum { |
171 | TERM_T1A = 0, | |
172 | TERM_T1B = 1, | |
173 | TERM_T2 = 3 | |
8199d3a7 CL |
174 | }; |
175 | ||
176 | struct sge_params { | |
177 | unsigned int cmdQ_size[2]; | |
178 | unsigned int freelQ_size[2]; | |
179 | unsigned int large_buf_capacity; | |
180 | unsigned int rx_coalesce_usecs; | |
181 | unsigned int last_rx_coalesce_raw; | |
182 | unsigned int default_rx_coalesce_usecs; | |
183 | unsigned int sample_interval_usecs; | |
184 | unsigned int coalesce_enable; | |
185 | unsigned int polling; | |
186 | }; | |
187 | ||
559fb51b | 188 | struct chelsio_pci_params { |
8199d3a7 CL |
189 | unsigned short speed; |
190 | unsigned char width; | |
191 | unsigned char is_pcix; | |
192 | }; | |
193 | ||
f1d3d38a SH |
194 | struct tp_params { |
195 | unsigned int pm_size; | |
196 | unsigned int cm_size; | |
197 | unsigned int pm_rx_base; | |
198 | unsigned int pm_tx_base; | |
199 | unsigned int pm_rx_pg_size; | |
200 | unsigned int pm_tx_pg_size; | |
201 | unsigned int pm_rx_num_pgs; | |
202 | unsigned int pm_tx_num_pgs; | |
203 | unsigned int rx_coalescing_size; | |
204 | unsigned int use_5tuple_mode; | |
205 | }; | |
206 | ||
207 | struct mc5_params { | |
208 | unsigned int mode; /* selects MC5 width */ | |
209 | unsigned int nservers; /* size of server region */ | |
210 | unsigned int nroutes; /* size of routing region */ | |
211 | }; | |
212 | ||
213 | /* Default MC5 region sizes */ | |
214 | #define DEFAULT_SERVER_REGION_LEN 256 | |
215 | #define DEFAULT_RT_REGION_LEN 1024 | |
216 | ||
8199d3a7 CL |
217 | struct adapter_params { |
218 | struct sge_params sge; | |
f1d3d38a SH |
219 | struct mc5_params mc5; |
220 | struct tp_params tp; | |
559fb51b | 221 | struct chelsio_pci_params pci; |
8199d3a7 CL |
222 | |
223 | const struct board_info *brd_info; | |
224 | ||
f1d3d38a | 225 | unsigned short mtus[NMTUS]; |
559fb51b | 226 | unsigned int nports; /* # of ethernet ports */ |
8199d3a7 CL |
227 | unsigned int stats_update_period; |
228 | unsigned short chip_revision; | |
229 | unsigned char chip_version; | |
f1d3d38a | 230 | unsigned char is_asic; |
325dde48 | 231 | unsigned char has_msi; |
8199d3a7 CL |
232 | }; |
233 | ||
234 | struct link_config { | |
235 | unsigned int supported; /* link capabilities */ | |
236 | unsigned int advertising; /* advertised capabilities */ | |
237 | unsigned short requested_speed; /* speed user has requested */ | |
238 | unsigned short speed; /* actual link speed */ | |
239 | unsigned char requested_duplex; /* duplex user has requested */ | |
240 | unsigned char duplex; /* actual link duplex */ | |
241 | unsigned char requested_fc; /* flow control user has requested */ | |
242 | unsigned char fc; /* actual link flow control */ | |
243 | unsigned char autoneg; /* autonegotiating? */ | |
244 | }; | |
245 | ||
559fb51b SB |
246 | struct cmac; |
247 | struct cphy; | |
248 | ||
249 | struct port_info { | |
250 | struct net_device *dev; | |
251 | struct cmac *mac; | |
252 | struct cphy *phy; | |
253 | struct link_config link_config; | |
254 | struct net_device_stats netstats; | |
255 | }; | |
256 | ||
257 | struct sge; | |
258 | struct peespi; | |
259 | ||
260 | struct adapter { | |
91fb4c96 | 261 | u8 __iomem *regs; |
559fb51b SB |
262 | struct pci_dev *pdev; |
263 | unsigned long registered_device_map; | |
264 | unsigned long open_device_map; | |
265 | unsigned long flags; | |
266 | ||
267 | const char *name; | |
268 | int msg_enable; | |
269 | u32 mmio_len; | |
270 | ||
271 | struct work_struct ext_intr_handler_task; | |
272 | struct adapter_params params; | |
273 | ||
274 | struct vlan_group *vlan_grp; | |
275 | ||
276 | /* Terminator modules. */ | |
277 | struct sge *sge; | |
278 | struct peespi *espi; | |
f1d3d38a | 279 | struct petp *tp; |
559fb51b | 280 | |
bea3348e | 281 | struct napi_struct napi; |
559fb51b | 282 | struct port_info port[MAX_NPORTS]; |
c4028958 | 283 | struct delayed_work stats_update_task; |
559fb51b SB |
284 | struct timer_list stats_update_timer; |
285 | ||
559fb51b SB |
286 | spinlock_t tpi_lock; |
287 | spinlock_t work_lock; | |
352c417d SH |
288 | spinlock_t mac_lock; |
289 | ||
559fb51b SB |
290 | /* guards async operations */ |
291 | spinlock_t async_lock ____cacheline_aligned; | |
292 | u32 slow_intr_mask; | |
f1d3d38a | 293 | int t1powersave; |
559fb51b SB |
294 | }; |
295 | ||
296 | enum { /* adapter flags */ | |
297 | FULL_INIT_DONE = 1 << 0, | |
298 | TSO_CAPABLE = 1 << 2, | |
299 | TCP_CSUM_CAPABLE = 1 << 3, | |
300 | UDP_CSUM_CAPABLE = 1 << 4, | |
301 | VLAN_ACCEL_CAPABLE = 1 << 5, | |
302 | RX_CSUM_ENABLED = 1 << 6, | |
303 | }; | |
8199d3a7 CL |
304 | |
305 | struct mdio_ops; | |
306 | struct gmac; | |
307 | struct gphy; | |
308 | ||
309 | struct board_info { | |
310 | unsigned char board; | |
311 | unsigned char port_number; | |
312 | unsigned long caps; | |
313 | unsigned char chip_term; | |
314 | unsigned char chip_mac; | |
315 | unsigned char chip_phy; | |
316 | unsigned int clock_core; | |
317 | unsigned int clock_mc3; | |
318 | unsigned int clock_mc4; | |
319 | unsigned int espi_nports; | |
320 | unsigned int clock_cspi; | |
321 | unsigned int clock_elmer0; | |
322 | unsigned char mdio_mdien; | |
323 | unsigned char mdio_mdiinv; | |
324 | unsigned char mdio_mdc; | |
325 | unsigned char mdio_phybaseaddr; | |
459e536b SH |
326 | const struct gmac *gmac; |
327 | const struct gphy *gphy; | |
328 | const struct mdio_ops *mdio_ops; | |
8199d3a7 CL |
329 | const char *desc; |
330 | }; | |
331 | ||
f1d3d38a SH |
332 | static inline int t1_is_asic(const adapter_t *adapter) |
333 | { | |
334 | return adapter->params.is_asic; | |
335 | } | |
336 | ||
8199d3a7 CL |
337 | extern struct pci_device_id t1_pci_tbl[]; |
338 | ||
8199d3a7 CL |
339 | static inline int adapter_matches_type(const adapter_t *adapter, |
340 | int version, int revision) | |
341 | { | |
342 | return adapter->params.chip_version == version && | |
343 | adapter->params.chip_revision == revision; | |
344 | } | |
345 | ||
346 | #define t1_is_T1B(adap) adapter_matches_type(adap, CHBT_TERM_T1, TERM_T1B) | |
347 | #define is_T2(adap) adapter_matches_type(adap, CHBT_TERM_T2, TERM_T2) | |
348 | ||
349 | /* Returns true if an adapter supports VLAN acceleration and TSO */ | |
350 | static inline int vlan_tso_capable(const adapter_t *adapter) | |
351 | { | |
352 | return !t1_is_T1B(adapter); | |
353 | } | |
354 | ||
355 | #define for_each_port(adapter, iter) \ | |
356 | for (iter = 0; iter < (adapter)->params.nports; ++iter) | |
357 | ||
358 | #define board_info(adapter) ((adapter)->params.brd_info) | |
359 | #define is_10G(adapter) (board_info(adapter)->caps & SUPPORTED_10000baseT_Full) | |
360 | ||
361 | static inline unsigned int core_ticks_per_usec(const adapter_t *adap) | |
362 | { | |
363 | return board_info(adap)->clock_core / 1000000; | |
364 | } | |
365 | ||
f1d3d38a SH |
366 | extern int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp); |
367 | extern int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); | |
559fb51b SB |
368 | extern int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); |
369 | extern int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *value); | |
8199d3a7 | 370 | |
559fb51b SB |
371 | extern void t1_interrupts_enable(adapter_t *adapter); |
372 | extern void t1_interrupts_disable(adapter_t *adapter); | |
373 | extern void t1_interrupts_clear(adapter_t *adapter); | |
f1d3d38a | 374 | extern int t1_elmer0_ext_intr_handler(adapter_t *adapter); |
33a85aa1 | 375 | extern void t1_elmer0_ext_intr(adapter_t *adapter); |
559fb51b | 376 | extern int t1_slow_intr_handler(adapter_t *adapter); |
8199d3a7 | 377 | |
559fb51b SB |
378 | extern int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc); |
379 | extern const struct board_info *t1_get_board_info(unsigned int board_id); | |
380 | extern const struct board_info *t1_get_board_info_from_ids(unsigned int devid, | |
8199d3a7 | 381 | unsigned short ssid); |
ac390c60 | 382 | extern int t1_seeprom_read(adapter_t *adapter, u32 addr, __le32 *data); |
559fb51b | 383 | extern int t1_get_board_rev(adapter_t *adapter, const struct board_info *bi, |
8199d3a7 | 384 | struct adapter_params *p); |
559fb51b SB |
385 | extern int t1_init_hw_modules(adapter_t *adapter); |
386 | extern int t1_init_sw_modules(adapter_t *adapter, const struct board_info *bi); | |
387 | extern void t1_free_sw_modules(adapter_t *adapter); | |
388 | extern void t1_fatal_err(adapter_t *adapter); | |
f1d3d38a SH |
389 | extern void t1_link_changed(adapter_t *adapter, int port_id); |
390 | extern void t1_link_negotiated(adapter_t *adapter, int port_id, int link_stat, | |
391 | int speed, int duplex, int pause); | |
559fb51b | 392 | #endif /* _CXGB_COMMON_H_ */ |