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, see <http://www.gnu.org/licenses/>. *
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED *
17 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF *
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. *
20 * http://www.chelsio.com *
22 * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. *
23 * All rights reserved. *
25 * Maintainers: maintainers@chelsio.com *
27 * Authors: Dimitrios Michailidis <dm@chelsio.com> *
28 * Tina Yang <tainay@chelsio.com> *
29 * Felix Marti <felix@chelsio.com> *
30 * Scott Bardone <sbardone@chelsio.com> *
31 * Kurt Ottaway <kottaway@chelsio.com> *
32 * Frank DiMambro <frank@chelsio.com> *
36 ****************************************************************************/
38 #define pr_fmt(fmt) "cxgb: " fmt
40 #ifndef _CXGB_COMMON_H_
41 #define _CXGB_COMMON_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/if_vlan.h>
50 #include <linux/mdio.h>
51 #include <linux/crc32.h>
52 #include <linux/slab.h>
54 #include <linux/pci_ids.h>
56 #define DRV_DESCRIPTION "Chelsio 10Gb Ethernet Driver"
57 #define DRV_NAME "cxgb"
58 #define DRV_VERSION "2.2"
60 #define CH_DEVICE(devid, ssid, idx) \
61 { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx }
63 #define SUPPORTED_PAUSE (1 << 13)
64 #define SUPPORTED_LOOPBACK (1 << 15)
66 #define ADVERTISED_PAUSE (1 << 13)
67 #define ADVERTISED_ASYM_PAUSE (1 << 14)
69 typedef struct adapter adapter_t;
72 struct net_device *dev;
75 #define t1_rx_mode_promisc(rm) (rm->dev->flags & IFF_PROMISC)
76 #define t1_rx_mode_allmulti(rm) (rm->dev->flags & IFF_ALLMULTI)
77 #define t1_rx_mode_mc_cnt(rm) (netdev_mc_count(rm->dev))
78 #define t1_get_netdev(rm) (rm->dev)
81 #define PORT_MASK ((1 << MAX_NPORTS) - 1)
85 #define SPEED_INVALID 0xffff
86 #define DUPLEX_INVALID 0xff
88 /* Max frame size PM3393 can handle. Includes Ethernet header and CRC. */
89 #define PM3393_MAX_FRAME_SIZE 9600
91 #define VSC7326_MAX_MTU 9600
138 PAUSE_AUTONEG = 1 << 2
141 /* Revisions of T1 chip */
149 unsigned int cmdQ_size[2];
150 unsigned int freelQ_size[2];
151 unsigned int large_buf_capacity;
152 unsigned int rx_coalesce_usecs;
153 unsigned int last_rx_coalesce_raw;
154 unsigned int default_rx_coalesce_usecs;
155 unsigned int sample_interval_usecs;
156 unsigned int coalesce_enable;
157 unsigned int polling;
160 struct chelsio_pci_params {
161 unsigned short speed;
163 unsigned char is_pcix;
167 unsigned int pm_size;
168 unsigned int cm_size;
169 unsigned int pm_rx_base;
170 unsigned int pm_tx_base;
171 unsigned int pm_rx_pg_size;
172 unsigned int pm_tx_pg_size;
173 unsigned int pm_rx_num_pgs;
174 unsigned int pm_tx_num_pgs;
175 unsigned int rx_coalescing_size;
176 unsigned int use_5tuple_mode;
180 unsigned int mode; /* selects MC5 width */
181 unsigned int nservers; /* size of server region */
182 unsigned int nroutes; /* size of routing region */
185 /* Default MC5 region sizes */
186 #define DEFAULT_SERVER_REGION_LEN 256
187 #define DEFAULT_RT_REGION_LEN 1024
189 struct adapter_params {
190 struct sge_params sge;
191 struct mc5_params mc5;
193 struct chelsio_pci_params pci;
195 const struct board_info *brd_info;
197 unsigned short mtus[NMTUS];
198 unsigned int nports; /* # of ethernet ports */
199 unsigned int stats_update_period;
200 unsigned short chip_revision;
201 unsigned char chip_version;
202 unsigned char is_asic;
203 unsigned char has_msi;
207 unsigned int supported; /* link capabilities */
208 unsigned int advertising; /* advertised capabilities */
209 unsigned short requested_speed; /* speed user has requested */
210 unsigned short speed; /* actual link speed */
211 unsigned char requested_duplex; /* duplex user has requested */
212 unsigned char duplex; /* actual link duplex */
213 unsigned char requested_fc; /* flow control user has requested */
214 unsigned char fc; /* actual link flow control */
215 unsigned char autoneg; /* autonegotiating? */
222 struct net_device *dev;
225 struct link_config link_config;
226 struct net_device_stats netstats;
234 struct pci_dev *pdev;
235 unsigned long registered_device_map;
236 unsigned long open_device_map;
243 struct work_struct ext_intr_handler_task;
244 struct adapter_params params;
246 /* Terminator modules. */
251 struct napi_struct napi;
252 struct port_info port[MAX_NPORTS];
253 struct delayed_work stats_update_task;
254 struct timer_list stats_update_timer;
257 spinlock_t work_lock;
260 /* guards async operations */
261 spinlock_t async_lock ____cacheline_aligned;
266 enum { /* adapter flags */
267 FULL_INIT_DONE = 1 << 0,
276 unsigned char port_number;
278 unsigned char chip_term;
279 unsigned char chip_mac;
280 unsigned char chip_phy;
281 unsigned int clock_core;
282 unsigned int clock_mc3;
283 unsigned int clock_mc4;
284 unsigned int espi_nports;
285 unsigned int clock_elmer0;
286 unsigned char mdio_mdien;
287 unsigned char mdio_mdiinv;
288 unsigned char mdio_mdc;
289 unsigned char mdio_phybaseaddr;
290 const struct gmac *gmac;
291 const struct gphy *gphy;
292 const struct mdio_ops *mdio_ops;
296 static inline int t1_is_asic(const adapter_t *adapter)
298 return adapter->params.is_asic;
301 extern const struct pci_device_id t1_pci_tbl[];
303 static inline int adapter_matches_type(const adapter_t *adapter,
304 int version, int revision)
306 return adapter->params.chip_version == version &&
307 adapter->params.chip_revision == revision;
310 #define t1_is_T1B(adap) adapter_matches_type(adap, CHBT_TERM_T1, TERM_T1B)
311 #define is_T2(adap) adapter_matches_type(adap, CHBT_TERM_T2, TERM_T2)
313 /* Returns true if an adapter supports VLAN acceleration and TSO */
314 static inline int vlan_tso_capable(const adapter_t *adapter)
316 return !t1_is_T1B(adapter);
319 #define for_each_port(adapter, iter) \
320 for (iter = 0; iter < (adapter)->params.nports; ++iter)
322 #define board_info(adapter) ((adapter)->params.brd_info)
323 #define is_10G(adapter) (board_info(adapter)->caps & SUPPORTED_10000baseT_Full)
325 static inline unsigned int core_ticks_per_usec(const adapter_t *adap)
327 return board_info(adap)->clock_core / 1000000;
330 int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp);
331 int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value);
332 int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value);
333 int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *value);
335 void t1_interrupts_enable(adapter_t *adapter);
336 void t1_interrupts_disable(adapter_t *adapter);
337 void t1_interrupts_clear(adapter_t *adapter);
338 int t1_elmer0_ext_intr_handler(adapter_t *adapter);
339 void t1_elmer0_ext_intr(adapter_t *adapter);
340 int t1_slow_intr_handler(adapter_t *adapter);
342 int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc);
343 const struct board_info *t1_get_board_info(unsigned int board_id);
344 const struct board_info *t1_get_board_info_from_ids(unsigned int devid,
345 unsigned short ssid);
346 int t1_seeprom_read(adapter_t *adapter, u32 addr, __le32 *data);
347 int t1_get_board_rev(adapter_t *adapter, const struct board_info *bi,
348 struct adapter_params *p);
349 int t1_init_hw_modules(adapter_t *adapter);
350 int t1_init_sw_modules(adapter_t *adapter, const struct board_info *bi);
351 void t1_free_sw_modules(adapter_t *adapter);
352 void t1_fatal_err(adapter_t *adapter);
353 void t1_link_changed(adapter_t *adapter, int port_id);
354 void t1_link_negotiated(adapter_t *adapter, int port_id, int link_stat,
355 int speed, int duplex, int pause);
356 #endif /* _CXGB_COMMON_H_ */