1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /***************************************************************************** 3 * * 4 * File: common.h * 5 * $Revision: 1.21 $ * 6 * $Date: 2005/06/22 00:43:25 $ * 7 * Description: * 8 * part of the Chelsio 10Gb Ethernet Driver. * 9 * * 10 * * 11 * http://www.chelsio.com * 12 * * 13 * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * 14 * All rights reserved. * 15 * * 16 * Maintainers: maintainers@chelsio.com * 17 * * 18 * Authors: Dimitrios Michailidis <dm@chelsio.com> * 19 * Tina Yang <tainay@chelsio.com> * 20 * Felix Marti <felix@chelsio.com> * 21 * Scott Bardone <sbardone@chelsio.com> * 22 * Kurt Ottaway <kottaway@chelsio.com> * 23 * Frank DiMambro <frank@chelsio.com> * 24 * * 25 * History: * 26 * * 27 ****************************************************************************/ 28 29 #define pr_fmt(fmt) "cxgb: " fmt 30 31 #ifndef _CXGB_COMMON_H_ 32 #define _CXGB_COMMON_H_ 33 34 #include <linux/module.h> 35 #include <linux/netdevice.h> 36 #include <linux/types.h> 37 #include <linux/delay.h> 38 #include <linux/pci.h> 39 #include <linux/ethtool.h> 40 #include <linux/if_vlan.h> 41 #include <linux/mdio.h> 42 #include <linux/crc32.h> 43 #include <linux/slab.h> 44 #include <asm/io.h> 45 #include <linux/pci_ids.h> 46 47 #define DRV_DESCRIPTION "Chelsio 10Gb Ethernet Driver" 48 #define DRV_NAME "cxgb" 49 50 #define CH_DEVICE(devid, ssid, idx) \ 51 { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx } 52 53 #define SUPPORTED_PAUSE (1 << 13) 54 #define SUPPORTED_LOOPBACK (1 << 15) 55 56 #define ADVERTISED_PAUSE (1 << 13) 57 #define ADVERTISED_ASYM_PAUSE (1 << 14) 58 59 typedef struct adapter adapter_t; 60 61 struct t1_rx_mode { 62 struct net_device *dev; 63 }; 64 65 #define t1_rx_mode_promisc(rm) (rm->dev->flags & IFF_PROMISC) 66 #define t1_rx_mode_allmulti(rm) (rm->dev->flags & IFF_ALLMULTI) 67 #define t1_rx_mode_mc_cnt(rm) (netdev_mc_count(rm->dev)) 68 #define t1_get_netdev(rm) (rm->dev) 69 70 #define MAX_NPORTS 4 71 #define PORT_MASK ((1 << MAX_NPORTS) - 1) 72 #define NMTUS 8 73 #define TCB_SIZE 128 74 75 #define SPEED_INVALID 0xffff 76 #define DUPLEX_INVALID 0xff 77 78 /* Max frame size PM3393 can handle. Includes Ethernet header and CRC. */ 79 #define PM3393_MAX_FRAME_SIZE 9600 80 81 #define VSC7326_MAX_MTU 9600 82 83 enum { 84 CHBT_BOARD_N110, 85 CHBT_BOARD_N210, 86 CHBT_BOARD_7500, 87 CHBT_BOARD_8000, 88 CHBT_BOARD_CHT101, 89 CHBT_BOARD_CHT110, 90 CHBT_BOARD_CHT210, 91 CHBT_BOARD_CHT204, 92 CHBT_BOARD_CHT204V, 93 CHBT_BOARD_CHT204E, 94 CHBT_BOARD_CHN204, 95 CHBT_BOARD_COUGAR, 96 CHBT_BOARD_6800, 97 CHBT_BOARD_SIMUL, 98 }; 99 100 enum { 101 CHBT_TERM_FPGA, 102 CHBT_TERM_T1, 103 CHBT_TERM_T2, 104 CHBT_TERM_T3 105 }; 106 107 enum { 108 CHBT_MAC_CHELSIO_A, 109 CHBT_MAC_IXF1010, 110 CHBT_MAC_PM3393, 111 CHBT_MAC_VSC7321, 112 CHBT_MAC_DUMMY 113 }; 114 115 enum { 116 CHBT_PHY_88E1041, 117 CHBT_PHY_88E1111, 118 CHBT_PHY_88X2010, 119 CHBT_PHY_XPAK, 120 CHBT_PHY_MY3126, 121 CHBT_PHY_8244, 122 CHBT_PHY_DUMMY 123 }; 124 125 enum { 126 PAUSE_RX = 1 << 0, 127 PAUSE_TX = 1 << 1, 128 PAUSE_AUTONEG = 1 << 2 129 }; 130 131 /* Revisions of T1 chip */ 132 enum { 133 TERM_T1A = 0, 134 TERM_T1B = 1, 135 TERM_T2 = 3 136 }; 137 138 struct sge_params { 139 unsigned int cmdQ_size[2]; 140 unsigned int freelQ_size[2]; 141 unsigned int large_buf_capacity; 142 unsigned int rx_coalesce_usecs; 143 unsigned int last_rx_coalesce_raw; 144 unsigned int default_rx_coalesce_usecs; 145 unsigned int sample_interval_usecs; 146 unsigned int coalesce_enable; 147 unsigned int polling; 148 }; 149 150 struct chelsio_pci_params { 151 unsigned short speed; 152 unsigned char width; 153 unsigned char is_pcix; 154 }; 155 156 struct tp_params { 157 unsigned int pm_size; 158 unsigned int cm_size; 159 unsigned int pm_rx_base; 160 unsigned int pm_tx_base; 161 unsigned int pm_rx_pg_size; 162 unsigned int pm_tx_pg_size; 163 unsigned int pm_rx_num_pgs; 164 unsigned int pm_tx_num_pgs; 165 unsigned int rx_coalescing_size; 166 unsigned int use_5tuple_mode; 167 }; 168 169 struct mc5_params { 170 unsigned int mode; /* selects MC5 width */ 171 unsigned int nservers; /* size of server region */ 172 unsigned int nroutes; /* size of routing region */ 173 }; 174 175 /* Default MC5 region sizes */ 176 #define DEFAULT_SERVER_REGION_LEN 256 177 #define DEFAULT_RT_REGION_LEN 1024 178 179 struct adapter_params { 180 struct sge_params sge; 181 struct mc5_params mc5; 182 struct tp_params tp; 183 struct chelsio_pci_params pci; 184 185 const struct board_info *brd_info; 186 187 unsigned short mtus[NMTUS]; 188 unsigned int nports; /* # of ethernet ports */ 189 unsigned int stats_update_period; 190 unsigned short chip_revision; 191 unsigned char chip_version; 192 unsigned char is_asic; 193 unsigned char has_msi; 194 }; 195 196 struct link_config { 197 unsigned int supported; /* link capabilities */ 198 unsigned int advertising; /* advertised capabilities */ 199 unsigned short requested_speed; /* speed user has requested */ 200 unsigned short speed; /* actual link speed */ 201 unsigned char requested_duplex; /* duplex user has requested */ 202 unsigned char duplex; /* actual link duplex */ 203 unsigned char requested_fc; /* flow control user has requested */ 204 unsigned char fc; /* actual link flow control */ 205 unsigned char autoneg; /* autonegotiating? */ 206 }; 207 208 struct cmac; 209 struct cphy; 210 211 struct port_info { 212 struct net_device *dev; 213 struct cmac *mac; 214 struct cphy *phy; 215 struct link_config link_config; 216 }; 217 218 struct sge; 219 struct peespi; 220 221 struct adapter { 222 u8 __iomem *regs; 223 struct pci_dev *pdev; 224 unsigned long registered_device_map; 225 unsigned long open_device_map; 226 unsigned long flags; 227 228 const char *name; 229 int msg_enable; 230 u32 mmio_len; 231 232 struct adapter_params params; 233 234 /* Terminator modules. */ 235 struct sge *sge; 236 struct peespi *espi; 237 struct petp *tp; 238 239 struct napi_struct napi; 240 struct port_info port[MAX_NPORTS]; 241 struct delayed_work stats_update_task; 242 struct timer_list stats_update_timer; 243 244 spinlock_t tpi_lock; 245 spinlock_t work_lock; 246 spinlock_t mac_lock; 247 248 /* guards async operations */ 249 spinlock_t async_lock ____cacheline_aligned; 250 u32 pending_thread_intr; 251 u32 slow_intr_mask; 252 int t1powersave; 253 }; 254 255 enum { /* adapter flags */ 256 FULL_INIT_DONE = 1 << 0, 257 }; 258 259 struct mdio_ops; 260 struct gmac; 261 struct gphy; 262 263 struct board_info { 264 unsigned char board; 265 unsigned char port_number; 266 unsigned long caps; 267 unsigned char chip_term; 268 unsigned char chip_mac; 269 unsigned char chip_phy; 270 unsigned int clock_core; 271 unsigned int clock_mc3; 272 unsigned int clock_mc4; 273 unsigned int espi_nports; 274 unsigned int clock_elmer0; 275 unsigned char mdio_mdien; 276 unsigned char mdio_mdiinv; 277 unsigned char mdio_mdc; 278 unsigned char mdio_phybaseaddr; 279 const struct gmac *gmac; 280 const struct gphy *gphy; 281 const struct mdio_ops *mdio_ops; 282 const char *desc; 283 }; 284 t1_is_asic(const adapter_t * adapter)285 static inline int t1_is_asic(const adapter_t *adapter) 286 { 287 return adapter->params.is_asic; 288 } 289 290 extern const struct pci_device_id t1_pci_tbl[]; 291 adapter_matches_type(const adapter_t * adapter,int version,int revision)292 static inline int adapter_matches_type(const adapter_t *adapter, 293 int version, int revision) 294 { 295 return adapter->params.chip_version == version && 296 adapter->params.chip_revision == revision; 297 } 298 299 #define t1_is_T1B(adap) adapter_matches_type(adap, CHBT_TERM_T1, TERM_T1B) 300 #define is_T2(adap) adapter_matches_type(adap, CHBT_TERM_T2, TERM_T2) 301 302 /* Returns true if an adapter supports VLAN acceleration and TSO */ vlan_tso_capable(const adapter_t * adapter)303 static inline int vlan_tso_capable(const adapter_t *adapter) 304 { 305 return !t1_is_T1B(adapter); 306 } 307 308 #define for_each_port(adapter, iter) \ 309 for (iter = 0; iter < (adapter)->params.nports; ++iter) 310 311 #define board_info(adapter) ((adapter)->params.brd_info) 312 #define is_10G(adapter) (board_info(adapter)->caps & SUPPORTED_10000baseT_Full) 313 core_ticks_per_usec(const adapter_t * adap)314 static inline unsigned int core_ticks_per_usec(const adapter_t *adap) 315 { 316 return board_info(adap)->clock_core / 1000000; 317 } 318 319 int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp); 320 int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); 321 int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); 322 int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *value); 323 324 void t1_interrupts_enable(adapter_t *adapter); 325 void t1_interrupts_disable(adapter_t *adapter); 326 void t1_interrupts_clear(adapter_t *adapter); 327 int t1_elmer0_ext_intr_handler(adapter_t *adapter); 328 irqreturn_t t1_slow_intr_handler(adapter_t *adapter); 329 330 int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc); 331 const struct board_info *t1_get_board_info(unsigned int board_id); 332 const struct board_info *t1_get_board_info_from_ids(unsigned int devid, 333 unsigned short ssid); 334 int t1_seeprom_read(adapter_t *adapter, u32 addr, __le32 *data); 335 int t1_get_board_rev(adapter_t *adapter, const struct board_info *bi, 336 struct adapter_params *p); 337 int t1_init_hw_modules(adapter_t *adapter); 338 int t1_init_sw_modules(adapter_t *adapter, const struct board_info *bi); 339 void t1_free_sw_modules(adapter_t *adapter); 340 void t1_link_changed(adapter_t *adapter, int port_id); 341 void t1_link_negotiated(adapter_t *adapter, int port_id, int link_stat, 342 int speed, int duplex, int pause); 343 #endif /* _CXGB_COMMON_H_ */ 344