1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
|
/*****************************************************************************
* *
* File: common.h *
* $Revision: 1.21 $ *
* $Date: 2005/06/22 00:43:25 $ *
* Description: *
* part of the Chelsio 10Gb Ethernet Driver. *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License, version 2, as *
* published by the Free Software Foundation. *
* *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, write to the Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *
* *
* http://www.chelsio.com *
* *
* Copyright (c) 2003 - 2005 Chelsio Communications, Inc. *
* All rights reserved. *
* *
* Maintainers: maintainers@chelsio.com *
* *
* Authors: Dimitrios Michailidis <dm@chelsio.com> *
* Tina Yang <tainay@chelsio.com> *
* Felix Marti <felix@chelsio.com> *
* Scott Bardone <sbardone@chelsio.com> *
* Kurt Ottaway <kottaway@chelsio.com> *
* Frank DiMambro <frank@chelsio.com> *
* *
* History: *
* *
****************************************************************************/
#ifndef _CXGB_COMMON_H_
#define _CXGB_COMMON_H_
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
#include <linux/crc32.h>
#include <linux/init.h>
#include <asm/io.h>
#include <linux/pci_ids.h>
#define DRV_DESCRIPTION "Chelsio 10Gb Ethernet Driver"
#define DRV_NAME "cxgb"
#define DRV_VERSION "2.1.1"
#define PFX DRV_NAME ": "
#define CH_ERR(fmt, ...) printk(KERN_ERR PFX fmt, ## __VA_ARGS__)
#define CH_WARN(fmt, ...) printk(KERN_WARNING PFX fmt, ## __VA_ARGS__)
#define CH_ALERT(fmt, ...) printk(KERN_ALERT PFX fmt, ## __VA_ARGS__)
#define CH_DEVICE(devid, ssid, idx) \
{ PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx }
#define SUPPORTED_PAUSE (1 << 13)
#define SUPPORTED_LOOPBACK (1 << 15)
#define ADVERTISED_PAUSE (1 << 13)
#define ADVERTISED_ASYM_PAUSE (1 << 14)
typedef struct adapter adapter_t;
void t1_elmer0_ext_intr(adapter_t *adapter);
void t1_link_changed(adapter_t *adapter, int port_id, int link_status,
int speed, int duplex, int fc);
struct t1_rx_mode {
struct net_device *dev;
u32 idx;
struct dev_mc_list *list;
};
#define t1_rx_mode_promisc(rm) (rm->dev->flags & IFF_PROMISC)
#define t1_rx_mode_allmulti(rm) (rm->dev->flags & IFF_ALLMULTI)
#define t1_rx_mode_mc_cnt(rm) (rm->dev->mc_count)
static inline u8 *t1_get_next_mcaddr(struct t1_rx_mode *rm)
{
u8 *addr = NULL;
if (rm->idx++ < rm->dev->mc_count) {
addr = rm->list->dmi_addr;
rm->list = rm->list->next;
}
return addr;
}
#define MAX_NPORTS 4
#define SPEED_INVALID 0xffff
#define DUPLEX_INVALID 0xff
enum {
CHBT_BOARD_N110,
CHBT_BOARD_N210
};
enum {
CHBT_TERM_T1,
CHBT_TERM_T2
};
enum {
CHBT_MAC_PM3393,
};
enum {
CHBT_PHY_88X2010,
};
enum {
PAUSE_RX = 1 << 0,
PAUSE_TX = 1 << 1,
PAUSE_AUTONEG = 1 << 2
};
/* Revisions of T1 chip */
enum {
TERM_T1A = 0,
TERM_T1B = 1,
TERM_T2 = 3
};
struct sge_params {
unsigned int cmdQ_size[2];
unsigned int freelQ_size[2];
unsigned int large_buf_capacity;
unsigned int rx_coalesce_usecs;
unsigned int last_rx_coalesce_raw;
unsigned int default_rx_coalesce_usecs;
unsigned int sample_interval_usecs;
unsigned int coalesce_enable;
unsigned int polling;
};
struct chelsio_pci_params {
unsigned short speed;
unsigned char width;
unsigned char is_pcix;
};
struct adapter_params {
struct sge_params sge;
struct chelsio_pci_params pci;
const struct board_info *brd_info;
unsigned int nports; /* # of ethernet ports */
unsigned int stats_update_period;
unsigned short chip_revision;
unsigned char chip_version;
};
struct link_config {
unsigned int supported; /* link capabilities */
unsigned int advertising; /* advertised capabilities */
unsigned short requested_speed; /* speed user has requested */
unsigned short speed; /* actual link speed */
unsigned char requested_duplex; /* duplex user has requested */
unsigned char duplex; /* actual link duplex */
unsigned char requested_fc; /* flow control user has requested */
unsigned char fc; /* actual link flow control */
unsigned char autoneg; /* autonegotiating? */
};
struct cmac;
struct cphy;
struct port_info {
struct net_device *dev;
struct cmac *mac;
struct cphy *phy;
struct link_config link_config;
struct net_device_stats netstats;
};
struct sge;
struct peespi;
struct adapter {
u8 __iomem *regs;
struct pci_dev *pdev;
unsigned long registered_device_map;
unsigned long open_device_map;
unsigned long flags;
const char *name;
int msg_enable;
u32 mmio_len;
struct work_struct ext_intr_handler_task;
struct adapter_params params;
struct vlan_group *vlan_grp;
/* Terminator modules. */
struct sge *sge;
struct peespi *espi;
struct port_info port[MAX_NPORTS];
struct work_struct stats_update_task;
struct timer_list stats_update_timer;
struct semaphore mib_mutex;
spinlock_t tpi_lock;
spinlock_t work_lock;
/* guards async operations */
spinlock_t async_lock ____cacheline_aligned;
u32 slow_intr_mask;
};
enum { /* adapter flags */
FULL_INIT_DONE = 1 << 0,
TSO_CAPABLE = 1 << 2,
TCP_CSUM_CAPABLE = 1 << 3,
UDP_CSUM_CAPABLE = 1 << 4,
VLAN_ACCEL_CAPABLE = 1 << 5,
RX_CSUM_ENABLED = 1 << 6,
};
struct mdio_ops;
struct gmac;
struct gphy;
struct board_info {
unsigned char board;
unsigned char port_number;
unsigned long caps;
unsigned char chip_term;
unsigned char chip_mac;
unsigned char chip_phy;
unsigned int clock_core;
unsigned int clock_mc3;
unsigned int clock_mc4;
unsigned int espi_nports;
unsigned int clock_cspi;
unsigned int clock_elmer0;
unsigned char mdio_mdien;
unsigned char mdio_mdiinv;
unsigned char mdio_mdc;
unsigned char mdio_phybaseaddr;
struct gmac *gmac;
struct gphy *gphy;
struct mdio_ops *mdio_ops;
const char *desc;
};
extern struct pci_device_id t1_pci_tbl[];
static inline int adapter_matches_type(const adapter_t *adapter,
int version, int revision)
{
return adapter->params.chip_version == version &&
adapter->params.chip_revision == revision;
}
#define t1_is_T1B(adap) adapter_matches_type(adap, CHBT_TERM_T1, TERM_T1B)
#define is_T2(adap) adapter_matches_type(adap, CHBT_TERM_T2, TERM_T2)
/* Returns true if an adapter supports VLAN acceleration and TSO */
static inline int vlan_tso_capable(const adapter_t *adapter)
{
return !t1_is_T1B(adapter);
}
#define for_each_port(adapter, iter) \
for (iter = 0; iter < (adapter)->params.nports; ++iter)
#define board_info(adapter) ((adapter)->params.brd_info)
#define is_10G(adapter) (board_info(adapter)->caps & SUPPORTED_10000baseT_Full)
static inline unsigned int core_ticks_per_usec(const adapter_t *adap)
{
return board_info(adap)->clock_core / 1000000;
}
extern int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value);
extern int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *value);
extern void t1_interrupts_enable(adapter_t *adapter);
extern void t1_interrupts_disable(adapter_t *adapter);
extern void t1_interrupts_clear(adapter_t *adapter);
extern int elmer0_ext_intr_handler(adapter_t *adapter);
extern int t1_slow_intr_handler(adapter_t *adapter);
extern int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc);
extern const struct board_info *t1_get_board_info(unsigned int board_id);
extern const struct board_info *t1_get_board_info_from_ids(unsigned int devid,
unsigned short ssid);
extern int t1_seeprom_read(adapter_t *adapter, u32 addr, u32 *data);
extern int t1_get_board_rev(adapter_t *adapter, const struct board_info *bi,
struct adapter_params *p);
extern int t1_init_hw_modules(adapter_t *adapter);
extern int t1_init_sw_modules(adapter_t *adapter, const struct board_info *bi);
extern void t1_free_sw_modules(adapter_t *adapter);
extern void t1_fatal_err(adapter_t *adapter);
extern void t1_tp_set_udp_checksum_offload(adapter_t *adapter, int enable);
extern void t1_tp_set_tcp_checksum_offload(adapter_t *adapter, int enable);
extern void t1_tp_set_ip_checksum_offload(adapter_t *adapter, int enable);
#endif /* _CXGB_COMMON_H_ */
|
