/***************************************************************************** * * * File: common.h * * $Revision: 1.21 $ * * $Date: 2005/06/22 00:43:25 $ * * Description: * * part of the Chelsio 10Gb Ethernet Driver. * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License, version 2, as * * published by the Free Software Foundation. * * * * You should have received a copy of the GNU General Public License along * * with this program; if not, write to the Free Software Foundation, Inc., * * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * * * http://www.chelsio.com * * * * Copyright (c) 2003 - 2005 Chelsio Communications, Inc. * * All rights reserved. * * * * Maintainers: maintainers@chelsio.com * * * * Authors: Dimitrios Michailidis * * Tina Yang * * Felix Marti * * Scott Bardone * * Kurt Ottaway * * Frank DiMambro * * * * History: * * * ****************************************************************************/ #ifndef _CXGB_COMMON_H_ #define _CXGB_COMMON_H_ #include #include #include #include #include #include #include #include #include #include #include #include #define DRV_DESCRIPTION "Chelsio 10Gb Ethernet Driver" #define DRV_NAME "cxgb" #define DRV_VERSION "2.2" #define PFX DRV_NAME ": " #define CH_ERR(fmt, ...) printk(KERN_ERR PFX fmt, ## __VA_ARGS__) #define CH_WARN(fmt, ...) printk(KERN_WARNING PFX fmt, ## __VA_ARGS__) #define CH_ALERT(fmt, ...) printk(KERN_ALERT PFX fmt, ## __VA_ARGS__) /* * More powerful macro that selectively prints messages based on msg_enable. * For info and debugging messages. */ #define CH_MSG(adapter, level, category, fmt, ...) do { \ if ((adapter)->msg_enable & NETIF_MSG_##category) \ printk(KERN_##level PFX "%s: " fmt, (adapter)->name, \ ## __VA_ARGS__); \ } while (0) #ifdef DEBUG # define CH_DBG(adapter, category, fmt, ...) \ CH_MSG(adapter, DEBUG, category, fmt, ## __VA_ARGS__) #else # define CH_DBG(fmt, ...) #endif #define CH_DEVICE(devid, ssid, idx) \ { PCI_VENDOR_ID_CHELSIO, devid, PCI_ANY_ID, ssid, 0, 0, idx } #define SUPPORTED_PAUSE (1 << 13) #define SUPPORTED_LOOPBACK (1 << 15) #define ADVERTISED_PAUSE (1 << 13) #define ADVERTISED_ASYM_PAUSE (1 << 14) typedef struct adapter adapter_t; struct t1_rx_mode { struct net_device *dev; u32 idx; struct dev_mc_list *list; }; #define t1_rx_mode_promisc(rm) (rm->dev->flags & IFF_PROMISC) #define t1_rx_mode_allmulti(rm) (rm->dev->flags & IFF_ALLMULTI) #define t1_rx_mode_mc_cnt(rm) (netdev_mc_count(rm->dev)) static inline u8 *t1_get_next_mcaddr(struct t1_rx_mode *rm) { u8 *addr = NULL; if (rm->idx++ < t1_rx_mode_mc_cnt(rm)) { addr = rm->list->dmi_addr; rm->list = rm->list->next; } return addr; } #define MAX_NPORTS 4 #define PORT_MASK ((1 << MAX_NPORTS) - 1) #define NMTUS 8 #define TCB_SIZE 128 #define SPEED_INVALID 0xffff #define DUPLEX_INVALID 0xff enum { CHBT_BOARD_N110, CHBT_BOARD_N210, CHBT_BOARD_7500, CHBT_BOARD_8000, CHBT_BOARD_CHT101, CHBT_BOARD_CHT110, CHBT_BOARD_CHT210, CHBT_BOARD_CHT204, CHBT_BOARD_CHT204V, CHBT_BOARD_CHT204E, CHBT_BOARD_CHN204, CHBT_BOARD_COUGAR, CHBT_BOARD_6800, CHBT_BOARD_SIMUL, }; enum { CHBT_TERM_FPGA, CHBT_TERM_T1, CHBT_TERM_T2, CHBT_TERM_T3 }; enum { CHBT_MAC_CHELSIO_A, CHBT_MAC_IXF1010, CHBT_MAC_PM3393, CHBT_MAC_VSC7321, CHBT_MAC_DUMMY }; enum { CHBT_PHY_88E1041, CHBT_PHY_88E1111, CHBT_PHY_88X2010, CHBT_PHY_XPAK, CHBT_PHY_MY3126, CHBT_PHY_8244, CHBT_PHY_DUMMY }; enum { PAUSE_RX = 1 << 0, PAUSE_TX = 1 << 1, PAUSE_AUTONEG = 1 << 2 }; /* Revisions of T1 chip */ enum { TERM_T1A = 0, TERM_T1B = 1, TERM_T2 = 3 }; struct sge_params { unsigned int cmdQ_size[2]; unsigned int freelQ_size[2]; unsigned int large_buf_capacity; unsigned int rx_coalesce_usecs; unsigned int last_rx_coalesce_raw; unsigned int default_rx_coalesce_usecs; unsigned int sample_interval_usecs; unsigned int coalesce_enable; unsigned int polling; }; struct chelsio_pci_params { unsigned short speed; unsigned char width; unsigned char is_pcix; }; struct tp_params { unsigned int pm_size; unsigned int cm_size; unsigned int pm_rx_base; unsigned int pm_tx_base; unsigned int pm_rx_pg_size; unsigned int pm_tx_pg_size; unsigned int pm_rx_num_pgs; unsigned int pm_tx_num_pgs; unsigned int rx_coalescing_size; unsigned int use_5tuple_mode; }; struct mc5_params { unsigned int mode; /* selects MC5 width */ unsigned int nservers; /* size of server region */ unsigned int nroutes; /* size of routing region */ }; /* Default MC5 region sizes */ #define DEFAULT_SERVER_REGION_LEN 256 #define DEFAULT_RT_REGION_LEN 1024 struct adapter_params { struct sge_params sge; struct mc5_params mc5; struct tp_params tp; struct chelsio_pci_params pci; const struct board_info *brd_info; unsigned short mtus[NMTUS]; unsigned int nports; /* # of ethernet ports */ unsigned int stats_update_period; unsigned short chip_revision; unsigned char chip_version; unsigned char is_asic; unsigned char has_msi; }; struct link_config { unsigned int supported; /* link capabilities */ unsigned int advertising; /* advertised capabilities */ unsigned short requested_speed; /* speed user has requested */ unsigned short speed; /* actual link speed */ unsigned char requested_duplex; /* duplex user has requested */ unsigned char duplex; /* actual link duplex */ unsigned char requested_fc; /* flow control user has requested */ unsigned char fc; /* actual link flow control */ unsigned char autoneg; /* autonegotiating? */ }; struct cmac; struct cphy; struct port_info { struct net_device *dev; struct cmac *mac; struct cphy *phy; struct link_config link_config; struct net_device_stats netstats; }; struct sge; struct peespi; struct adapter { u8 __iomem *regs; struct pci_dev *pdev; unsigned long registered_device_map; unsigned long open_device_map; unsigned long flags; const char *name; int msg_enable; u32 mmio_len; struct work_struct ext_intr_handler_task; struct adapter_params params; struct vlan_group *vlan_grp; /* Terminator modules. */ struct sge *sge; struct peespi *espi; struct petp *tp; struct napi_struct napi; struct port_info port[MAX_NPORTS]; struct delayed_work stats_update_task; struct timer_list stats_update_timer; spinlock_t tpi_lock; spinlock_t work_lock; spinlock_t mac_lock; /* guards async operations */ spinlock_t async_lock ____cacheline_aligned; u32 slow_intr_mask; int t1powersave; }; enum { /* adapter flags */ FULL_INIT_DONE = 1 << 0, TSO_CAPABLE = 1 << 2, TCP_CSUM_CAPABLE = 1 << 3, UDP_CSUM_CAPABLE = 1 << 4, VLAN_ACCEL_CAPABLE = 1 << 5, RX_CSUM_ENABLED = 1 << 6, }; struct mdio_ops; struct gmac; struct gphy; struct board_info { unsigned char board; unsigned char port_number; unsigned long caps; unsigned char chip_term; unsigned char chip_mac; unsigned char chip_phy; unsigned int clock_core; unsigned int clock_mc3; unsigned int clock_mc4; unsigned int espi_nports; unsigned int clock_cspi; unsigned int clock_elmer0; unsigned char mdio_mdien; unsigned char mdio_mdiinv; unsigned char mdio_mdc; unsigned char mdio_phybaseaddr; const struct gmac *gmac; const struct gphy *gphy; const struct mdio_ops *mdio_ops; const char *desc; }; static inline int t1_is_asic(const adapter_t *adapter) { return adapter->params.is_asic; } extern const struct pci_device_id t1_pci_tbl[]; static inline int adapter_matches_type(const adapter_t *adapter, int version, int revision) { return adapter->params.chip_version == version && adapter->params.chip_revision == revision; } #define t1_is_T1B(adap) adapter_matches_type(adap, CHBT_TERM_T1, TERM_T1B) #define is_T2(adap) adapter_matches_type(adap, CHBT_TERM_T2, TERM_T2) /* Returns true if an adapter supports VLAN acceleration and TSO */ static inline int vlan_tso_capable(const adapter_t *adapter) { return !t1_is_T1B(adapter); } #define for_each_port(adapter, iter) \ for (iter = 0; iter < (adapter)->params.nports; ++iter) #define board_info(adapter) ((adapter)->params.brd_info) #define is_10G(adapter) (board_info(adapter)->caps & SUPPORTED_10000baseT_Full) static inline unsigned int core_ticks_per_usec(const adapter_t *adap) { return board_info(adap)->clock_core / 1000000; } extern int __t1_tpi_read(adapter_t *adapter, u32 addr, u32 *valp); extern int __t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); extern int t1_tpi_write(adapter_t *adapter, u32 addr, u32 value); extern int t1_tpi_read(adapter_t *adapter, u32 addr, u32 *value); extern void t1_interrupts_enable(adapter_t *adapter); extern void t1_interrupts_disable(adapter_t *adapter); extern void t1_interrupts_clear(adapter_t *adapter); extern int t1_elmer0_ext_intr_handler(adapter_t *adapter); extern void t1_elmer0_ext_intr(adapter_t *adapter); extern int t1_slow_intr_handler(adapter_t *adapter); extern int t1_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc); extern const struct board_info *t1_get_board_info(unsigned int board_id); extern const struct board_info *t1_get_board_info_from_ids(unsigned int devid, unsigned short ssid); extern int t1_seeprom_read(adapter_t *adapter, u32 addr, __le32 *data); extern int t1_get_board_rev(adapter_t *adapter, const struct board_info *bi, struct adapter_params *p); extern int t1_init_hw_modules(adapter_t *adapter); extern int t1_init_sw_modules(adapter_t *adapter, const struct board_info *bi); extern void t1_free_sw_modules(adapter_t *adapter); extern void t1_fatal_err(adapter_t *adapter); extern void t1_link_changed(adapter_t *adapter, int port_id); extern void t1_link_negotiated(adapter_t *adapter, int port_id, int link_stat, int speed, int duplex, int pause); #endif /* _CXGB_COMMON_H_ */