1 /*****************************************************************************
5 * $Date: 2005/06/22 00:43:25 $ *
7 * part of the Chelsio 10Gb Ethernet Driver. *
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. *
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. *
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. *
21 * http://www.chelsio.com *
23 * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. *
24 * All rights reserved. *
26 * Maintainers: maintainers@chelsio.com *
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> *
37 ****************************************************************************/
39 #ifndef _CXGB_COMMON_H_
40 #define _CXGB_COMMON_H_
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>
48 #include <linux/mii.h>
49 #include <linux/crc32.h>
50 #include <linux/init.h>
52 #include <linux/pci_ids.h>
54 #define DRV_DESCRIPTION "Chelsio 10Gb Ethernet Driver"
55 #define DRV_NAME "cxgb"
56 #define DRV_VERSION "2.1.1"
57 #define PFX DRV_NAME ": "
59 #define CH_ERR(fmt, ...) printk(KERN_ERR PFX fmt, ## __VA_ARGS__)
60 #define CH_WARN(fmt, ...) printk(KERN_WARNING PFX fmt, ## __VA_ARGS__)
61 #define CH_ALERT(fmt, ...) printk(KERN_ALERT PFX fmt, ## __VA_ARGS__)
63 #define CH_DEVICE(devid, ssid, idx) \
64 { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx }
66 #define SUPPORTED_PAUSE (1 << 13)
67 #define SUPPORTED_LOOPBACK (1 << 15)
69 #define ADVERTISED_PAUSE (1 << 13)
70 #define ADVERTISED_ASYM_PAUSE (1 << 14)
72 typedef struct adapter adapter_t
;
74 void t1_elmer0_ext_intr(adapter_t
*adapter
);
75 void t1_link_changed(adapter_t
*adapter
, int port_id
, int link_status
,
76 int speed
, int duplex
, int fc
);
79 struct net_device
*dev
;
81 struct dev_mc_list
*list
;
84 #define t1_rx_mode_promisc(rm) (rm->dev->flags & IFF_PROMISC)
85 #define t1_rx_mode_allmulti(rm) (rm->dev->flags & IFF_ALLMULTI)
86 #define t1_rx_mode_mc_cnt(rm) (rm->dev->mc_count)
88 static inline u8
*t1_get_next_mcaddr(struct t1_rx_mode
*rm
)
92 if (rm
->idx
++ < rm
->dev
->mc_count
) {
93 addr
= rm
->list
->dmi_addr
;
94 rm
->list
= rm
->list
->next
;
101 #define SPEED_INVALID 0xffff
102 #define DUPLEX_INVALID 0xff
125 PAUSE_AUTONEG
= 1 << 2
128 /* Revisions of T1 chip */
136 unsigned int cmdQ_size
[2];
137 unsigned int freelQ_size
[2];
138 unsigned int large_buf_capacity
;
139 unsigned int rx_coalesce_usecs
;
140 unsigned int last_rx_coalesce_raw
;
141 unsigned int default_rx_coalesce_usecs
;
142 unsigned int sample_interval_usecs
;
143 unsigned int coalesce_enable
;
144 unsigned int polling
;
147 struct chelsio_pci_params
{
148 unsigned short speed
;
150 unsigned char is_pcix
;
153 struct adapter_params
{
154 struct sge_params sge
;
155 struct chelsio_pci_params pci
;
157 const struct board_info
*brd_info
;
159 unsigned int nports
; /* # of ethernet ports */
160 unsigned int stats_update_period
;
161 unsigned short chip_revision
;
162 unsigned char chip_version
;
166 unsigned int supported
; /* link capabilities */
167 unsigned int advertising
; /* advertised capabilities */
168 unsigned short requested_speed
; /* speed user has requested */
169 unsigned short speed
; /* actual link speed */
170 unsigned char requested_duplex
; /* duplex user has requested */
171 unsigned char duplex
; /* actual link duplex */
172 unsigned char requested_fc
; /* flow control user has requested */
173 unsigned char fc
; /* actual link flow control */
174 unsigned char autoneg
; /* autonegotiating? */
181 struct net_device
*dev
;
184 struct link_config link_config
;
185 struct net_device_stats netstats
;
193 struct pci_dev
*pdev
;
194 unsigned long registered_device_map
;
195 unsigned long open_device_map
;
202 struct work_struct ext_intr_handler_task
;
203 struct adapter_params params
;
205 struct vlan_group
*vlan_grp
;
207 /* Terminator modules. */
211 struct port_info port
[MAX_NPORTS
];
212 struct work_struct stats_update_task
;
213 struct timer_list stats_update_timer
;
215 struct semaphore mib_mutex
;
217 spinlock_t work_lock
;
218 /* guards async operations */
219 spinlock_t async_lock ____cacheline_aligned
;
223 enum { /* adapter flags */
224 FULL_INIT_DONE
= 1 << 0,
225 TSO_CAPABLE
= 1 << 2,
226 TCP_CSUM_CAPABLE
= 1 << 3,
227 UDP_CSUM_CAPABLE
= 1 << 4,
228 VLAN_ACCEL_CAPABLE
= 1 << 5,
229 RX_CSUM_ENABLED
= 1 << 6,
238 unsigned char port_number
;
240 unsigned char chip_term
;
241 unsigned char chip_mac
;
242 unsigned char chip_phy
;
243 unsigned int clock_core
;
244 unsigned int clock_mc3
;
245 unsigned int clock_mc4
;
246 unsigned int espi_nports
;
247 unsigned int clock_cspi
;
248 unsigned int clock_elmer0
;
249 unsigned char mdio_mdien
;
250 unsigned char mdio_mdiinv
;
251 unsigned char mdio_mdc
;
252 unsigned char mdio_phybaseaddr
;
255 struct mdio_ops
*mdio_ops
;
259 extern struct pci_device_id t1_pci_tbl
[];
261 static inline int adapter_matches_type(const adapter_t
*adapter
,
262 int version
, int revision
)
264 return adapter
->params
.chip_version
== version
&&
265 adapter
->params
.chip_revision
== revision
;
268 #define t1_is_T1B(adap) adapter_matches_type(adap, CHBT_TERM_T1, TERM_T1B)
269 #define is_T2(adap) adapter_matches_type(adap, CHBT_TERM_T2, TERM_T2)
271 /* Returns true if an adapter supports VLAN acceleration and TSO */
272 static inline int vlan_tso_capable(const adapter_t
*adapter
)
274 return !t1_is_T1B(adapter
);
277 #define for_each_port(adapter, iter) \
278 for (iter = 0; iter < (adapter)->params.nports; ++iter)
280 #define board_info(adapter) ((adapter)->params.brd_info)
281 #define is_10G(adapter) (board_info(adapter)->caps & SUPPORTED_10000baseT_Full)
283 static inline unsigned int core_ticks_per_usec(const adapter_t
*adap
)
285 return board_info(adap
)->clock_core
/ 1000000;
288 extern int t1_tpi_write(adapter_t
*adapter
, u32 addr
, u32 value
);
289 extern int t1_tpi_read(adapter_t
*adapter
, u32 addr
, u32
*value
);
291 extern void t1_interrupts_enable(adapter_t
*adapter
);
292 extern void t1_interrupts_disable(adapter_t
*adapter
);
293 extern void t1_interrupts_clear(adapter_t
*adapter
);
294 extern int elmer0_ext_intr_handler(adapter_t
*adapter
);
295 extern int t1_slow_intr_handler(adapter_t
*adapter
);
297 extern int t1_link_start(struct cphy
*phy
, struct cmac
*mac
, struct link_config
*lc
);
298 extern const struct board_info
*t1_get_board_info(unsigned int board_id
);
299 extern const struct board_info
*t1_get_board_info_from_ids(unsigned int devid
,
300 unsigned short ssid
);
301 extern int t1_seeprom_read(adapter_t
*adapter
, u32 addr
, u32
*data
);
302 extern int t1_get_board_rev(adapter_t
*adapter
, const struct board_info
*bi
,
303 struct adapter_params
*p
);
304 extern int t1_init_hw_modules(adapter_t
*adapter
);
305 extern int t1_init_sw_modules(adapter_t
*adapter
, const struct board_info
*bi
);
306 extern void t1_free_sw_modules(adapter_t
*adapter
);
307 extern void t1_fatal_err(adapter_t
*adapter
);
309 extern void t1_tp_set_udp_checksum_offload(adapter_t
*adapter
, int enable
);
310 extern void t1_tp_set_tcp_checksum_offload(adapter_t
*adapter
, int enable
);
311 extern void t1_tp_set_ip_checksum_offload(adapter_t
*adapter
, int enable
);
313 #endif /* _CXGB_COMMON_H_ */