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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 | ||
42 | #include <linux/config.h> | |
43 | #include <linux/module.h> | |
44 | #include <linux/netdevice.h> | |
45 | #include <linux/types.h> | |
46 | #include <linux/delay.h> | |
47 | #include <linux/pci.h> | |
48 | #include <linux/ethtool.h> | |
49 | #include <linux/mii.h> | |
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" | |
57 | #define DRV_VERSION "2.1.1" | |
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 | ||
64 | #define CH_DEVICE(devid, ssid, idx) \ | |
65 | { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx } | |
66 | ||
67 | #define SUPPORTED_PAUSE (1 << 13) | |
68 | #define SUPPORTED_LOOPBACK (1 << 15) | |
69 | ||
70 | #define ADVERTISED_PAUSE (1 << 13) | |
71 | #define ADVERTISED_ASYM_PAUSE (1 << 14) | |
72 | ||
73 | typedef struct adapter adapter_t; | |
74 | ||
75 | void t1_elmer0_ext_intr(adapter_t *adapter); | |
76 | void t1_link_changed(adapter_t *adapter, int port_id, int link_status, | |
77 | int speed, int duplex, int fc); | |
78 | ||
79 | struct t1_rx_mode { | |
80 | struct net_device *dev; | |
81 | u32 idx; | |
82 | struct dev_mc_list *list; | |
83 | }; | |
84 | ||
85 | #define t1_rx_mode_promisc(rm) (rm->dev->flags & IFF_PROMISC) | |
86 | #define t1_rx_mode_allmulti(rm) (rm->dev->flags & IFF_ALLMULTI) | |
87 | #define t1_rx_mode_mc_cnt(rm) (rm->dev->mc_count) | |
88 | ||
89 | static inline u8 *t1_get_next_mcaddr(struct t1_rx_mode *rm) | |
90 | { | |
91 | u8 *addr = 0; | |
8199d3a7 | 92 | |
559fb51b SB |
93 | if (rm->idx++ < rm->dev->mc_count) { |
94 | addr = rm->list->dmi_addr; | |
95 | rm->list = rm->list->next; | |
96 | } | |
97 | return addr; | |
98 | } | |
99 | ||
100 | #define MAX_NPORTS 4 | |
8199d3a7 | 101 | |
559fb51b SB |
102 | #define SPEED_INVALID 0xffff |
103 | #define DUPLEX_INVALID 0xff | |
8199d3a7 CL |
104 | |
105 | enum { | |
8199d3a7 | 106 | CHBT_BOARD_N110, |
559fb51b | 107 | CHBT_BOARD_N210 |
8199d3a7 CL |
108 | }; |
109 | ||
110 | enum { | |
8199d3a7 | 111 | CHBT_TERM_T1, |
559fb51b | 112 | CHBT_TERM_T2 |
8199d3a7 CL |
113 | }; |
114 | ||
115 | enum { | |
8199d3a7 | 116 | CHBT_MAC_PM3393, |
8199d3a7 CL |
117 | }; |
118 | ||
119 | enum { | |
8199d3a7 | 120 | CHBT_PHY_88X2010, |
8199d3a7 CL |
121 | }; |
122 | ||
123 | enum { | |
559fb51b SB |
124 | PAUSE_RX = 1 << 0, |
125 | PAUSE_TX = 1 << 1, | |
126 | PAUSE_AUTONEG = 1 << 2 | |
8199d3a7 CL |
127 | }; |
128 | ||
129 | /* Revisions of T1 chip */ | |
559fb51b SB |
130 | enum { |
131 | TERM_T1A = 0, | |
132 | TERM_T1B = 1, | |
133 | TERM_T2 = 3 | |
8199d3a7 CL |
134 | }; |
135 | ||
136 | struct sge_params { | |
137 | unsigned int cmdQ_size[2]; | |
138 | unsigned int freelQ_size[2]; | |
139 | unsigned int large_buf_capacity; | |
140 | unsigned int rx_coalesce_usecs; | |
141 | unsigned int last_rx_coalesce_raw; | |
142 | unsigned int default_rx_coalesce_usecs; | |
143 | unsigned int sample_interval_usecs; | |
144 | unsigned int coalesce_enable; | |
145 | unsigned int polling; | |
146 | }; | |
147 | ||
559fb51b | 148 | struct chelsio_pci_params { |
8199d3a7 CL |
149 | unsigned short speed; |
150 | unsigned char width; | |
151 | unsigned char is_pcix; | |
152 | }; | |
153 | ||
154 | struct adapter_params { | |
155 | struct sge_params sge; | |
559fb51b | 156 | struct chelsio_pci_params pci; |
8199d3a7 CL |
157 | |
158 | const struct board_info *brd_info; | |
159 | ||
559fb51b | 160 | unsigned int nports; /* # of ethernet ports */ |
8199d3a7 CL |
161 | unsigned int stats_update_period; |
162 | unsigned short chip_revision; | |
163 | unsigned char chip_version; | |
8199d3a7 CL |
164 | }; |
165 | ||
166 | struct link_config { | |
167 | unsigned int supported; /* link capabilities */ | |
168 | unsigned int advertising; /* advertised capabilities */ | |
169 | unsigned short requested_speed; /* speed user has requested */ | |
170 | unsigned short speed; /* actual link speed */ | |
171 | unsigned char requested_duplex; /* duplex user has requested */ | |
172 | unsigned char duplex; /* actual link duplex */ | |
173 | unsigned char requested_fc; /* flow control user has requested */ | |
174 | unsigned char fc; /* actual link flow control */ | |
175 | unsigned char autoneg; /* autonegotiating? */ | |
176 | }; | |
177 | ||
559fb51b SB |
178 | struct cmac; |
179 | struct cphy; | |
180 | ||
181 | struct port_info { | |
182 | struct net_device *dev; | |
183 | struct cmac *mac; | |
184 | struct cphy *phy; | |
185 | struct link_config link_config; | |
186 | struct net_device_stats netstats; | |
187 | }; | |
188 | ||
189 | struct sge; | |
190 | struct peespi; | |
191 | ||
192 | struct adapter { | |
193 | u8 *regs; | |
194 | struct pci_dev *pdev; | |
195 | unsigned long registered_device_map; | |
196 | unsigned long open_device_map; | |
197 | unsigned long flags; | |
198 | ||
199 | const char *name; | |
200 | int msg_enable; | |
201 | u32 mmio_len; | |
202 | ||
203 | struct work_struct ext_intr_handler_task; | |
204 | struct adapter_params params; | |
205 | ||
206 | struct vlan_group *vlan_grp; | |
207 | ||
208 | /* Terminator modules. */ | |
209 | struct sge *sge; | |
210 | struct peespi *espi; | |
211 | ||
212 | struct port_info port[MAX_NPORTS]; | |
213 | struct work_struct stats_update_task; | |
214 | struct timer_list stats_update_timer; | |
215 | ||
216 | struct semaphore mib_mutex; | |
217 | spinlock_t tpi_lock; | |
218 | spinlock_t work_lock; | |
219 | /* guards async operations */ | |
220 | spinlock_t async_lock ____cacheline_aligned; | |
221 | u32 slow_intr_mask; | |
222 | }; | |
223 | ||
224 | enum { /* adapter flags */ | |
225 | FULL_INIT_DONE = 1 << 0, | |
226 | TSO_CAPABLE = 1 << 2, | |
227 | TCP_CSUM_CAPABLE = 1 << 3, | |
228 | UDP_CSUM_CAPABLE = 1 << 4, | |
229 | VLAN_ACCEL_CAPABLE = 1 << 5, | |
230 | RX_CSUM_ENABLED = 1 << 6, | |
231 | }; | |
8199d3a7 CL |
232 | |
233 | struct mdio_ops; | |
234 | struct gmac; | |
235 | struct gphy; | |
236 | ||
237 | struct board_info { | |
238 | unsigned char board; | |
239 | unsigned char port_number; | |
240 | unsigned long caps; | |
241 | unsigned char chip_term; | |
242 | unsigned char chip_mac; | |
243 | unsigned char chip_phy; | |
244 | unsigned int clock_core; | |
245 | unsigned int clock_mc3; | |
246 | unsigned int clock_mc4; | |
247 | unsigned int espi_nports; | |
248 | unsigned int clock_cspi; | |
249 | unsigned int clock_elmer0; | |
250 | unsigned char mdio_mdien; | |
251 | unsigned char mdio_mdiinv; | |
252 | unsigned char mdio_mdc; | |
253 | unsigned char mdio_phybaseaddr; | |
254 | struct gmac *gmac; | |
255 | struct gphy *gphy; | |
256 | struct mdio_ops *mdio_ops; | |
257 | const char *desc; | |
258 | }; | |
259 | ||
8199d3a7 CL |
260 | extern struct pci_device_id t1_pci_tbl[]; |
261 | ||
8199d3a7 CL |
262 | static inline int adapter_matches_type(const adapter_t *adapter, |
263 | int version, int revision) | |
264 | { | |
265 | return adapter->params.chip_version == version && | |
266 | adapter->params.chip_revision == revision; | |
267 | } | |
268 | ||
269 | #define t1_is_T1B(adap) adapter_matches_type(adap, CHBT_TERM_T1, TERM_T1B) | |
270 | #define is_T2(adap) adapter_matches_type(adap, CHBT_TERM_T2, TERM_T2) | |
271 | ||
272 | /* Returns true if an adapter supports VLAN acceleration and TSO */ | |
273 | static inline int vlan_tso_capable(const adapter_t *adapter) | |
274 | { | |
275 | return !t1_is_T1B(adapter); | |
276 | } | |
277 | ||
278 | #define for_each_port(adapter, iter) \ | |
279 | for (iter = 0; iter < (adapter)->params.nports; ++iter) | |
280 | ||
281 | #define board_info(adapter) ((adapter)->params.brd_info) | |
282 | #define is_10G(adapter) (board_info(adapter)->caps & SUPPORTED_10000baseT_Full) | |
283 | ||
284 | static inline unsigned int core_ticks_per_usec(const adapter_t *adap) | |
285 | { | |
286 | return board_info(adap)->clock_core / 1000000; | |
287 | } | |
288 | ||
559fb51b SB |
289 | extern int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); |
290 | extern int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *value); | |
8199d3a7 | 291 | |
559fb51b SB |
292 | extern void t1_interrupts_enable(adapter_t *adapter); |
293 | extern void t1_interrupts_disable(adapter_t *adapter); | |
294 | extern void t1_interrupts_clear(adapter_t *adapter); | |
295 | extern int elmer0_ext_intr_handler(adapter_t *adapter); | |
296 | extern int t1_slow_intr_handler(adapter_t *adapter); | |
8199d3a7 | 297 | |
559fb51b SB |
298 | extern int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc); |
299 | extern const struct board_info *t1_get_board_info(unsigned int board_id); | |
300 | extern const struct board_info *t1_get_board_info_from_ids(unsigned int devid, | |
8199d3a7 | 301 | unsigned short ssid); |
559fb51b SB |
302 | extern int t1_seeprom_read(adapter_t *adapter, u32 addr, u32 *data); |
303 | extern int t1_get_board_rev(adapter_t *adapter, const struct board_info *bi, | |
8199d3a7 | 304 | struct adapter_params *p); |
559fb51b SB |
305 | extern int t1_init_hw_modules(adapter_t *adapter); |
306 | extern int t1_init_sw_modules(adapter_t *adapter, const struct board_info *bi); | |
307 | extern void t1_free_sw_modules(adapter_t *adapter); | |
308 | extern void t1_fatal_err(adapter_t *adapter); | |
309 | ||
310 | extern void t1_tp_set_udp_checksum_offload(adapter_t *adapter, int enable); | |
311 | extern void t1_tp_set_tcp_checksum_offload(adapter_t *adapter, int enable); | |
312 | extern void t1_tp_set_ip_checksum_offload(adapter_t *adapter, int enable); | |
8199d3a7 | 313 | |
559fb51b | 314 | #endif /* _CXGB_COMMON_H_ */ |