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38#define pr_fmt(fmt) "cxgb: " fmt
39
40#ifndef _CXGB_COMMON_H_
41#define _CXGB_COMMON_H_
42
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>
53#include <asm/io.h>
54#include <linux/pci_ids.h>
55
56#define DRV_DESCRIPTION "Chelsio 10Gb Ethernet Driver"
57#define DRV_NAME "cxgb"
58#define DRV_VERSION "2.2"
59
60#define CH_DEVICE(devid, ssid, idx) \
61 { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx }
62
63#define SUPPORTED_PAUSE (1 << 13)
64#define SUPPORTED_LOOPBACK (1 << 15)
65
66#define ADVERTISED_PAUSE (1 << 13)
67#define ADVERTISED_ASYM_PAUSE (1 << 14)
68
69typedef struct adapter adapter_t;
70
71struct t1_rx_mode {
72 struct net_device *dev;
73};
74
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)
79
80#define MAX_NPORTS 4
81#define PORT_MASK ((1 << MAX_NPORTS) - 1)
82#define NMTUS 8
83#define TCB_SIZE 128
84
85#define SPEED_INVALID 0xffff
86#define DUPLEX_INVALID 0xff
87
88enum {
89 CHBT_BOARD_N110,
90 CHBT_BOARD_N210,
91 CHBT_BOARD_7500,
92 CHBT_BOARD_8000,
93 CHBT_BOARD_CHT101,
94 CHBT_BOARD_CHT110,
95 CHBT_BOARD_CHT210,
96 CHBT_BOARD_CHT204,
97 CHBT_BOARD_CHT204V,
98 CHBT_BOARD_CHT204E,
99 CHBT_BOARD_CHN204,
100 CHBT_BOARD_COUGAR,
101 CHBT_BOARD_6800,
102 CHBT_BOARD_SIMUL,
103};
104
105enum {
106 CHBT_TERM_FPGA,
107 CHBT_TERM_T1,
108 CHBT_TERM_T2,
109 CHBT_TERM_T3
110};
111
112enum {
113 CHBT_MAC_CHELSIO_A,
114 CHBT_MAC_IXF1010,
115 CHBT_MAC_PM3393,
116 CHBT_MAC_VSC7321,
117 CHBT_MAC_DUMMY
118};
119
120enum {
121 CHBT_PHY_88E1041,
122 CHBT_PHY_88E1111,
123 CHBT_PHY_88X2010,
124 CHBT_PHY_XPAK,
125 CHBT_PHY_MY3126,
126 CHBT_PHY_8244,
127 CHBT_PHY_DUMMY
128};
129
130enum {
131 PAUSE_RX = 1 << 0,
132 PAUSE_TX = 1 << 1,
133 PAUSE_AUTONEG = 1 << 2
134};
135
136
137enum {
138 TERM_T1A = 0,
139 TERM_T1B = 1,
140 TERM_T2 = 3
141};
142
143struct sge_params {
144 unsigned int cmdQ_size[2];
145 unsigned int freelQ_size[2];
146 unsigned int large_buf_capacity;
147 unsigned int rx_coalesce_usecs;
148 unsigned int last_rx_coalesce_raw;
149 unsigned int default_rx_coalesce_usecs;
150 unsigned int sample_interval_usecs;
151 unsigned int coalesce_enable;
152 unsigned int polling;
153};
154
155struct chelsio_pci_params {
156 unsigned short speed;
157 unsigned char width;
158 unsigned char is_pcix;
159};
160
161struct tp_params {
162 unsigned int pm_size;
163 unsigned int cm_size;
164 unsigned int pm_rx_base;
165 unsigned int pm_tx_base;
166 unsigned int pm_rx_pg_size;
167 unsigned int pm_tx_pg_size;
168 unsigned int pm_rx_num_pgs;
169 unsigned int pm_tx_num_pgs;
170 unsigned int rx_coalescing_size;
171 unsigned int use_5tuple_mode;
172};
173
174struct mc5_params {
175 unsigned int mode;
176 unsigned int nservers;
177 unsigned int nroutes;
178};
179
180
181#define DEFAULT_SERVER_REGION_LEN 256
182#define DEFAULT_RT_REGION_LEN 1024
183
184struct adapter_params {
185 struct sge_params sge;
186 struct mc5_params mc5;
187 struct tp_params tp;
188 struct chelsio_pci_params pci;
189
190 const struct board_info *brd_info;
191
192 unsigned short mtus[NMTUS];
193 unsigned int nports;
194 unsigned int stats_update_period;
195 unsigned short chip_revision;
196 unsigned char chip_version;
197 unsigned char is_asic;
198 unsigned char has_msi;
199};
200
201struct link_config {
202 unsigned int supported;
203 unsigned int advertising;
204 unsigned short requested_speed;
205 unsigned short speed;
206 unsigned char requested_duplex;
207 unsigned char duplex;
208 unsigned char requested_fc;
209 unsigned char fc;
210 unsigned char autoneg;
211};
212
213struct cmac;
214struct cphy;
215
216struct port_info {
217 struct net_device *dev;
218 struct cmac *mac;
219 struct cphy *phy;
220 struct link_config link_config;
221 struct net_device_stats netstats;
222};
223
224struct sge;
225struct peespi;
226
227struct adapter {
228 u8 __iomem *regs;
229 struct pci_dev *pdev;
230 unsigned long registered_device_map;
231 unsigned long open_device_map;
232 unsigned long flags;
233
234 const char *name;
235 int msg_enable;
236 u32 mmio_len;
237
238 struct work_struct ext_intr_handler_task;
239 struct adapter_params params;
240
241
242 struct sge *sge;
243 struct peespi *espi;
244 struct petp *tp;
245
246 struct napi_struct napi;
247 struct port_info port[MAX_NPORTS];
248 struct delayed_work stats_update_task;
249 struct timer_list stats_update_timer;
250
251 spinlock_t tpi_lock;
252 spinlock_t work_lock;
253 spinlock_t mac_lock;
254
255
256 spinlock_t async_lock ____cacheline_aligned;
257 u32 slow_intr_mask;
258 int t1powersave;
259};
260
261enum {
262 FULL_INIT_DONE = 1 << 0,
263};
264
265struct mdio_ops;
266struct gmac;
267struct gphy;
268
269struct board_info {
270 unsigned char board;
271 unsigned char port_number;
272 unsigned long caps;
273 unsigned char chip_term;
274 unsigned char chip_mac;
275 unsigned char chip_phy;
276 unsigned int clock_core;
277 unsigned int clock_mc3;
278 unsigned int clock_mc4;
279 unsigned int espi_nports;
280 unsigned int clock_elmer0;
281 unsigned char mdio_mdien;
282 unsigned char mdio_mdiinv;
283 unsigned char mdio_mdc;
284 unsigned char mdio_phybaseaddr;
285 const struct gmac *gmac;
286 const struct gphy *gphy;
287 const struct mdio_ops *mdio_ops;
288 const char *desc;
289};
290
291static inline int t1_is_asic(const adapter_t *adapter)
292{
293 return adapter->params.is_asic;
294}
295
296extern const struct pci_device_id t1_pci_tbl[];
297
298static inline int adapter_matches_type(const adapter_t *adapter,
299 int version, int revision)
300{
301 return adapter->params.chip_version == version &&
302 adapter->params.chip_revision == revision;
303}
304
305#define t1_is_T1B(adap) adapter_matches_type(adap, CHBT_TERM_T1, TERM_T1B)
306#define is_T2(adap) adapter_matches_type(adap, CHBT_TERM_T2, TERM_T2)
307
308
309static inline int vlan_tso_capable(const adapter_t *adapter)
310{
311 return !t1_is_T1B(adapter);
312}
313
314#define for_each_port(adapter, iter) \
315 for (iter = 0; iter < (adapter)->params.nports; ++iter)
316
317#define board_info(adapter) ((adapter)->params.brd_info)
318#define is_10G(adapter) (board_info(adapter)->caps & SUPPORTED_10000baseT_Full)
319
320static inline unsigned int core_ticks_per_usec(const adapter_t *adap)
321{
322 return board_info(adap)->clock_core / 1000000;
323}
324
325int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp);
326int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value);
327int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value);
328int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *value);
329
330void t1_interrupts_enable(adapter_t *adapter);
331void t1_interrupts_disable(adapter_t *adapter);
332void t1_interrupts_clear(adapter_t *adapter);
333int t1_elmer0_ext_intr_handler(adapter_t *adapter);
334void t1_elmer0_ext_intr(adapter_t *adapter);
335int t1_slow_intr_handler(adapter_t *adapter);
336
337int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc);
338const struct board_info *t1_get_board_info(unsigned int board_id);
339const struct board_info *t1_get_board_info_from_ids(unsigned int devid,
340 unsigned short ssid);
341int t1_seeprom_read(adapter_t *adapter, u32 addr, __le32 *data);
342int t1_get_board_rev(adapter_t *adapter, const struct board_info *bi,
343 struct adapter_params *p);
344int t1_init_hw_modules(adapter_t *adapter);
345int t1_init_sw_modules(adapter_t *adapter, const struct board_info *bi);
346void t1_free_sw_modules(adapter_t *adapter);
347void t1_fatal_err(adapter_t *adapter);
348void t1_link_changed(adapter_t *adapter, int port_id);
349void t1_link_negotiated(adapter_t *adapter, int port_id, int link_stat,
350 int speed, int duplex, int pause);
351#endif
352