Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 1 | /***************************************************************************** |
| 2 | * * |
| 3 | * File: common.h * |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 4 | * $Revision: 1.21 $ * |
| 5 | * $Date: 2005/06/22 00:43:25 $ * |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 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 | |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 39 | #ifndef _CXGB_COMMON_H_ |
| 40 | #define _CXGB_COMMON_H_ |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 41 | |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 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> |
| 51 | #include <asm/io.h> |
| 52 | #include <linux/pci_ids.h> |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 53 | |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 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 ": " |
| 58 | |
| 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__) |
| 62 | |
| 63 | #define CH_DEVICE(devid, ssid, idx) \ |
| 64 | { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx } |
| 65 | |
| 66 | #define SUPPORTED_PAUSE (1 << 13) |
| 67 | #define SUPPORTED_LOOPBACK (1 << 15) |
| 68 | |
| 69 | #define ADVERTISED_PAUSE (1 << 13) |
| 70 | #define ADVERTISED_ASYM_PAUSE (1 << 14) |
| 71 | |
| 72 | typedef struct adapter adapter_t; |
| 73 | |
| 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); |
| 77 | |
| 78 | struct t1_rx_mode { |
| 79 | struct net_device *dev; |
| 80 | u32 idx; |
| 81 | struct dev_mc_list *list; |
| 82 | }; |
| 83 | |
| 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) |
| 87 | |
| 88 | static inline u8 *t1_get_next_mcaddr(struct t1_rx_mode *rm) |
| 89 | { |
viro@ftp.linux.org.uk | 91fb4c9 | 2005-09-05 03:25:48 +0100 | [diff] [blame] | 90 | u8 *addr = NULL; |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 91 | |
| 92 | if (rm->idx++ < rm->dev->mc_count) { |
| 93 | addr = rm->list->dmi_addr; |
| 94 | rm->list = rm->list->next; |
| 95 | } |
| 96 | return addr; |
| 97 | } |
| 98 | |
| 99 | #define MAX_NPORTS 4 |
| 100 | |
| 101 | #define SPEED_INVALID 0xffff |
| 102 | #define DUPLEX_INVALID 0xff |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 103 | |
| 104 | enum { |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 105 | CHBT_BOARD_N110, |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 106 | CHBT_BOARD_N210 |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 107 | }; |
| 108 | |
| 109 | enum { |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 110 | CHBT_TERM_T1, |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 111 | CHBT_TERM_T2 |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 112 | }; |
| 113 | |
| 114 | enum { |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 115 | CHBT_MAC_PM3393, |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 116 | }; |
| 117 | |
| 118 | enum { |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 119 | CHBT_PHY_88X2010, |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 120 | }; |
| 121 | |
| 122 | enum { |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 123 | PAUSE_RX = 1 << 0, |
| 124 | PAUSE_TX = 1 << 1, |
| 125 | PAUSE_AUTONEG = 1 << 2 |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 126 | }; |
| 127 | |
| 128 | /* Revisions of T1 chip */ |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 129 | enum { |
| 130 | TERM_T1A = 0, |
| 131 | TERM_T1B = 1, |
| 132 | TERM_T2 = 3 |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 133 | }; |
| 134 | |
| 135 | struct sge_params { |
| 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; |
| 145 | }; |
| 146 | |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 147 | struct chelsio_pci_params { |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 148 | unsigned short speed; |
| 149 | unsigned char width; |
| 150 | unsigned char is_pcix; |
| 151 | }; |
| 152 | |
| 153 | struct adapter_params { |
| 154 | struct sge_params sge; |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 155 | struct chelsio_pci_params pci; |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 156 | |
| 157 | const struct board_info *brd_info; |
| 158 | |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 159 | unsigned int nports; /* # of ethernet ports */ |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 160 | unsigned int stats_update_period; |
| 161 | unsigned short chip_revision; |
| 162 | unsigned char chip_version; |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 163 | }; |
| 164 | |
| 165 | struct link_config { |
| 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? */ |
| 175 | }; |
| 176 | |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 177 | struct cmac; |
| 178 | struct cphy; |
| 179 | |
| 180 | struct port_info { |
| 181 | struct net_device *dev; |
| 182 | struct cmac *mac; |
| 183 | struct cphy *phy; |
| 184 | struct link_config link_config; |
| 185 | struct net_device_stats netstats; |
| 186 | }; |
| 187 | |
| 188 | struct sge; |
| 189 | struct peespi; |
| 190 | |
| 191 | struct adapter { |
viro@ftp.linux.org.uk | 91fb4c9 | 2005-09-05 03:25:48 +0100 | [diff] [blame] | 192 | u8 __iomem *regs; |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 193 | struct pci_dev *pdev; |
| 194 | unsigned long registered_device_map; |
| 195 | unsigned long open_device_map; |
| 196 | unsigned long flags; |
| 197 | |
| 198 | const char *name; |
| 199 | int msg_enable; |
| 200 | u32 mmio_len; |
| 201 | |
| 202 | struct work_struct ext_intr_handler_task; |
| 203 | struct adapter_params params; |
| 204 | |
| 205 | struct vlan_group *vlan_grp; |
| 206 | |
| 207 | /* Terminator modules. */ |
| 208 | struct sge *sge; |
| 209 | struct peespi *espi; |
| 210 | |
| 211 | struct port_info port[MAX_NPORTS]; |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame^] | 212 | struct delayed_work stats_update_task; |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 213 | struct timer_list stats_update_timer; |
| 214 | |
| 215 | struct semaphore mib_mutex; |
| 216 | spinlock_t tpi_lock; |
| 217 | spinlock_t work_lock; |
| 218 | /* guards async operations */ |
| 219 | spinlock_t async_lock ____cacheline_aligned; |
| 220 | u32 slow_intr_mask; |
| 221 | }; |
| 222 | |
| 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, |
| 230 | }; |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 231 | |
| 232 | struct mdio_ops; |
| 233 | struct gmac; |
| 234 | struct gphy; |
| 235 | |
| 236 | struct board_info { |
| 237 | unsigned char board; |
| 238 | unsigned char port_number; |
| 239 | unsigned long caps; |
| 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; |
| 253 | struct gmac *gmac; |
| 254 | struct gphy *gphy; |
| 255 | struct mdio_ops *mdio_ops; |
| 256 | const char *desc; |
| 257 | }; |
| 258 | |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 259 | extern struct pci_device_id t1_pci_tbl[]; |
| 260 | |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 261 | static inline int adapter_matches_type(const adapter_t *adapter, |
| 262 | int version, int revision) |
| 263 | { |
| 264 | return adapter->params.chip_version == version && |
| 265 | adapter->params.chip_revision == revision; |
| 266 | } |
| 267 | |
| 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) |
| 270 | |
| 271 | /* Returns true if an adapter supports VLAN acceleration and TSO */ |
| 272 | static inline int vlan_tso_capable(const adapter_t *adapter) |
| 273 | { |
| 274 | return !t1_is_T1B(adapter); |
| 275 | } |
| 276 | |
| 277 | #define for_each_port(adapter, iter) \ |
| 278 | for (iter = 0; iter < (adapter)->params.nports; ++iter) |
| 279 | |
| 280 | #define board_info(adapter) ((adapter)->params.brd_info) |
| 281 | #define is_10G(adapter) (board_info(adapter)->caps & SUPPORTED_10000baseT_Full) |
| 282 | |
| 283 | static inline unsigned int core_ticks_per_usec(const adapter_t *adap) |
| 284 | { |
| 285 | return board_info(adap)->clock_core / 1000000; |
| 286 | } |
| 287 | |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 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); |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 290 | |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 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); |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 296 | |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 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, |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 300 | unsigned short ssid); |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 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, |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 303 | struct adapter_params *p); |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 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); |
Christoph Lameter | 8199d3a | 2005-03-30 13:34:31 -0800 | [diff] [blame] | 308 | |
Scott Bardone | 559fb51 | 2005-06-23 01:40:19 -0400 | [diff] [blame] | 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); |
| 312 | |
| 313 | #endif /* _CXGB_COMMON_H_ */ |