/* * Copyright (C) 2003 - 2006 NetXen, Inc. * All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * 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. * * The full GNU General Public License is included in this distribution * in the file called LICENSE. * * Contact Information: * info@netxen.com * NetXen, * 3965 Freedom Circle, Fourth floor, * Santa Clara, CA 95054 * * * Structures, enums, and macros for the MAC * */ #ifndef __NETXEN_NIC_HW_H_ #define __NETXEN_NIC_HW_H_ #include "netxen_nic_hdr.h" /* Hardware memory size of 128 meg */ #define NETXEN_MEMADDR_MAX (128 * 1024 * 1024) #ifndef readq static inline u64 readq(void __iomem * addr) { return readl(addr) | (((u64) readl(addr + 4)) << 32LL); } #endif #ifndef writeq static inline void writeq(u64 val, void __iomem * addr) { writel(((u32) (val)), (addr)); writel(((u32) (val >> 32)), (addr + 4)); } #endif static inline void netxen_nic_hw_block_write64(u64 __iomem * data_ptr, u64 __iomem * addr, int num_words) { int num; for (num = 0; num < num_words; num++) { writeq(readq((void __iomem *)data_ptr), addr); addr++; data_ptr++; } } static inline void netxen_nic_hw_block_read64(u64 __iomem * data_ptr, u64 __iomem * addr, int num_words) { int num; for (num = 0; num < num_words; num++) { writeq(readq((void __iomem *)addr), data_ptr); addr++; data_ptr++; } } struct netxen_adapter; #define NETXEN_PCI_MAPSIZE_BYTES (NETXEN_PCI_MAPSIZE << 20) #define NETXEN_NIC_LOCKED_READ_REG(X, Y) \ addr = pci_base_offset(adapter, X); \ *(u32 *)Y = readl((void __iomem*) addr); struct netxen_port; void netxen_nic_set_link_parameters(struct netxen_adapter *adapter); void netxen_nic_flash_print(struct netxen_adapter *adapter); int netxen_nic_hw_write_wx(struct netxen_adapter *adapter, u64 off, void *data, int len); void netxen_crb_writelit_adapter(struct netxen_adapter *adapter, unsigned long off, int data); int netxen_nic_hw_read_wx(struct netxen_adapter *adapter, u64 off, void *data, int len); typedef u8 netxen_ethernet_macaddr_t[6]; /* Nibble or Byte mode for phy interface (GbE mode only) */ typedef enum { NETXEN_NIU_10_100_MB = 0, NETXEN_NIU_1000_MB } netxen_niu_gbe_ifmode_t; #define _netxen_crb_get_bit(var, bit) ((var >> bit) & 0x1) /* * NIU GB MAC Config Register 0 (applies to GB0, GB1, GB2, GB3) * * Bit 0 : enable_tx => 1:enable frame xmit, 0:disable * Bit 1 : tx_synced => R/O: xmit enable synched to xmit stream * Bit 2 : enable_rx => 1:enable frame recv, 0:disable * Bit 3 : rx_synced => R/O: recv enable synched to recv stream * Bit 4 : tx_flowctl => 1:enable pause frame generation, 0:disable * Bit 5 : rx_flowctl => 1:act on recv'd pause frames, 0:ignore * Bit 8 : loopback => 1:loop MAC xmits to MAC recvs, 0:normal * Bit 16: tx_reset_pb => 1:reset frame xmit protocol blk, 0:no-op * Bit 17: rx_reset_pb => 1:reset frame recv protocol blk, 0:no-op * Bit 18: tx_reset_mac => 1:reset data/ctl multiplexer blk, 0:no-op * Bit 19: rx_reset_mac => 1:reset ctl frames & timers blk, 0:no-op * Bit 31: soft_reset => 1:reset the MAC and the SERDES, 0:no-op */ #define netxen_gb_enable_tx(config_word) \ ((config_word) |= 1 << 0) #define netxen_gb_enable_rx(config_word) \ ((config_word) |= 1 << 2) #define netxen_gb_tx_flowctl(config_word) \ ((config_word) |= 1 << 4) #define netxen_gb_rx_flowctl(config_word) \ ((config_word) |= 1 << 5) #define netxen_gb_tx_reset_pb(config_word) \ ((config_word) |= 1 << 16) #define netxen_gb_rx_reset_pb(config_word) \ ((config_word) |= 1 << 17) #define netxen_gb_tx_reset_mac(config_word) \ ((config_word) |= 1 << 18) #define netxen_gb_rx_reset_mac(config_word) \ ((config_word) |= 1 << 19) #define netxen_gb_soft_reset(config_word) \ ((config_word) |= 1 << 31) #define netxen_gb_unset_tx_flowctl(config_word) \ ((config_word) &= ~(1 << 4)) #define netxen_gb_unset_rx_flowctl(config_word) \ ((config_word) &= ~(1 << 5)) #define netxen_gb_get_tx_synced(config_word) \ _netxen_crb_get_bit((config_word), 1) #define netxen_gb_get_rx_synced(config_word) \ _netxen_crb_get_bit((config_word), 3) #define netxen_gb_get_tx_flowctl(config_word) \ _netxen_crb_get_bit((config_word), 4) #define netxen_gb_get_rx_flowctl(config_word) \ _netxen_crb_get_bit((config_word), 5) #define netxen_gb_get_soft_reset(config_word) \ _netxen_crb_get_bit((config_word), 31) /* * NIU GB MAC Config Register 1 (applies to GB0, GB1, GB2, GB3) * * Bit 0 : duplex => 1:full duplex mode, 0:half duplex * Bit 1 : crc_enable => 1:append CRC to xmit frames, 0:dont append * Bit 2 : padshort => 1:pad short frames and add CRC, 0:dont pad * Bit 4 : checklength => 1:check framelen with actual,0:dont check * Bit 5 : hugeframes => 1:allow oversize xmit frames, 0:dont allow * Bits 8-9 : intfmode => 01:nibble (10/100), 10:byte (1000) * Bits 12-15 : preamblelen => preamble field length in bytes, default 7 */ #define netxen_gb_set_duplex(config_word) \ ((config_word) |= 1 << 0) #define netxen_gb_set_crc_enable(config_word) \ ((config_word) |= 1 << 1) #define netxen_gb_set_padshort(config_word) \ ((config_word) |= 1 << 2) #define netxen_gb_set_checklength(config_word) \ ((config_word) |= 1 << 4) #define netxen_gb_set_hugeframes(config_word) \ ((config_word) |= 1 << 5) #define netxen_gb_set_preamblelen(config_word, val) \ ((config_word) |= ((val) << 12) & 0xF000) #define netxen_gb_set_intfmode(config_word, val) \ ((config_word) |= ((val) << 8) & 0x300) #define netxen_gb_get_stationaddress_low(config_word) ((config_word) >> 16) #define netxen_gb_set_mii_mgmt_clockselect(config_word, val) \ ((config_word) |= ((val) & 0x07)) #define netxen_gb_mii_mgmt_reset(config_word) \ ((config_word) |= 1 << 31) #define netxen_gb_mii_mgmt_unset(config_word) \ ((config_word) &= ~(1 << 31)) /* * NIU GB MII Mgmt Command Register (applies to GB0, GB1, GB2, GB3) * Bit 0 : read_cycle => 1:perform single read cycle, 0:no-op * Bit 1 : scan_cycle => 1:perform continuous read cycles, 0:no-op */ #define netxen_gb_mii_mgmt_set_read_cycle(config_word) \ ((config_word) |= 1 << 0) #define netxen_gb_mii_mgmt_reg_addr(config_word, val) \ ((config_word) |= ((val) & 0x1F)) #define netxen_gb_mii_mgmt_phy_addr(config_word, val) \ ((config_word) |= (((val) & 0x1F) << 8)) /* * NIU GB MII Mgmt Indicators Register (applies to GB0, GB1, GB2, GB3) * Read-only register. * Bit 0 : busy => 1:performing an MII mgmt cycle, 0:idle * Bit 1 : scanning => 1:scan operation in progress, 0:idle * Bit 2 : notvalid => :mgmt result data not yet valid, 0:idle */ #define netxen_get_gb_mii_mgmt_busy(config_word) \ _netxen_crb_get_bit(config_word, 0) #define netxen_get_gb_mii_mgmt_scanning(config_word) \ _netxen_crb_get_bit(config_word, 1) #define netxen_get_gb_mii_mgmt_notvalid(config_word) \ _netxen_crb_get_bit(config_word, 2) /* * PHY-Specific MII control/status registers. */ typedef enum { NETXEN_NIU_GB_MII_MGMT_ADDR_CONTROL = 0, NETXEN_NIU_GB_MII_MGMT_ADDR_STATUS = 1, NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_0 = 2, NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_ID_1 = 3, NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG = 4, NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART = 5, NETXEN_NIU_GB_MII_MGMT_ADDR_AUTONEG_MORE = 6, NETXEN_NIU_GB_MII_MGMT_ADDR_NEXTPAGE_XMIT = 7, NETXEN_NIU_GB_MII_MGMT_ADDR_LNKPART_NEXTPAGE = 8, NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_CONTROL = 9, NETXEN_NIU_GB_MII_MGMT_ADDR_1000BT_STATUS = 10, NETXEN_NIU_GB_MII_MGMT_ADDR_EXTENDED_STATUS = 15, NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL = 16, NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS = 17, NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE = 18, NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS = 19, NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE = 20, NETXEN_NIU_GB_MII_MGMT_ADDR_RECV_ERROR_COUNT = 21, NETXEN_NIU_GB_MII_MGMT_ADDR_LED_CONTROL = 24, NETXEN_NIU_GB_MII_MGMT_ADDR_LED_OVERRIDE = 25, NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_CONTROL_MORE_YET = 26, NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS_MORE = 27 } netxen_niu_phy_register_t; /* * PHY-Specific Status Register (reg 17). * * Bit 0 : jabber => 1:jabber detected, 0:not * Bit 1 : polarity => 1:polarity reversed, 0:normal * Bit 2 : recvpause => 1:receive pause enabled, 0:disabled * Bit 3 : xmitpause => 1:transmit pause enabled, 0:disabled * Bit 4 : energydetect => 1:sleep, 0:active * Bit 5 : downshift => 1:downshift, 0:no downshift * Bit 6 : crossover => 1:MDIX (crossover), 0:MDI (no crossover) * Bits 7-9 : cablelen => not valid in 10Mb/s mode * 0:<50m, 1:50-80m, 2:80-110m, 3:110-140m, 4:>140m * Bit 10 : link => 1:link up, 0:link down * Bit 11 : resolved => 1:speed and duplex resolved, 0:not yet * Bit 12 : pagercvd => 1:page received, 0:page not received * Bit 13 : duplex => 1:full duplex, 0:half duplex * Bits 14-15 : speed => 0:10Mb/s, 1:100Mb/s, 2:1000Mb/s, 3:rsvd */ #define netxen_get_phy_cablelen(config_word) (((config_word) >> 7) & 0x07) #define netxen_get_phy_speed(config_word) (((config_word) >> 14) & 0x03) #define netxen_set_phy_speed(config_word, val) \ ((config_word) |= ((val & 0x03) << 14)) #define netxen_set_phy_duplex(config_word) \ ((config_word) |= 1 << 13) #define netxen_clear_phy_duplex(config_word) \ ((config_word) &= ~(1 << 13)) #define netxen_get_phy_jabber(config_word) \ _netxen_crb_get_bit(config_word, 0) #define netxen_get_phy_polarity(config_word) \ _netxen_crb_get_bit(config_word, 1) #define netxen_get_phy_recvpause(config_word) \ _netxen_crb_get_bit(config_word, 2) #define netxen_get_phy_xmitpause(config_word) \ _netxen_crb_get_bit(config_word, 3) #define netxen_get_phy_energydetect(config_word) \ _netxen_crb_get_bit(config_word, 4) #define netxen_get_phy_downshift(config_word) \ _netxen_crb_get_bit(config_word, 5) #define netxen_get_phy_crossover(config_word) \ _netxen_crb_get_bit(config_word, 6) #define netxen_get_phy_link(config_word) \ _netxen_crb_get_bit(config_word, 10) #define netxen_get_phy_resolved(config_word) \ _netxen_crb_get_bit(config_word, 11) #define netxen_get_phy_pagercvd(config_word) \ _netxen_crb_get_bit(config_word, 12) #define netxen_get_phy_duplex(config_word) \ _netxen_crb_get_bit(config_word, 13) /* * Interrupt Register definition * This definition applies to registers 18 and 19 (int enable and int status). * Bit 0 : jabber * Bit 1 : polarity_changed * Bit 4 : energy_detect * Bit 5 : downshift * Bit 6 : mdi_xover_changed * Bit 7 : fifo_over_underflow * Bit 8 : false_carrier * Bit 9 : symbol_error * Bit 10: link_status_changed * Bit 11: autoneg_completed * Bit 12: page_received * Bit 13: duplex_changed * Bit 14: speed_changed * Bit 15: autoneg_error */ #define netxen_get_phy_int_jabber(config_word) \ _netxen_crb_get_bit(config_word, 0) #define netxen_get_phy_int_polarity_changed(config_word) \ _netxen_crb_get_bit(config_word, 1) #define netxen_get_phy_int_energy_detect(config_word) \ _netxen_crb_get_bit(config_word, 4) #define netxen_get_phy_int_downshift(config_word) \ _netxen_crb_get_bit(config_word, 5) #define netxen_get_phy_int_mdi_xover_changed(config_word) \ _netxen_crb_get_bit(config_word, 6) #define netxen_get_phy_int_fifo_over_underflow(config_word) \ _netxen_crb_get_bit(config_word, 7) #define netxen_get_phy_int_false_carrier(config_word) \ _netxen_crb_get_bit(config_word, 8) #define netxen_get_phy_int_symbol_error(config_word) \ _netxen_crb_get_bit(config_word, 9) #define netxen_get_phy_int_link_status_changed(config_word) \ _netxen_crb_get_bit(config_word, 10) #define netxen_get_phy_int_autoneg_completed(config_word) \ _netxen_crb_get_bit(config_word, 11) #define netxen_get_phy_int_page_received(config_word) \ _netxen_crb_get_bit(config_word, 12) #define netxen_get_phy_int_duplex_changed(config_word) \ _netxen_crb_get_bit(config_word, 13) #define netxen_get_phy_int_speed_changed(config_word) \ _netxen_crb_get_bit(config_word, 14) #define netxen_get_phy_int_autoneg_error(config_word) \ _netxen_crb_get_bit(config_word, 15) #define netxen_set_phy_int_link_status_changed(config_word) \ ((config_word) |= 1 << 10) #define netxen_set_phy_int_autoneg_completed(config_word) \ ((config_word) |= 1 << 11) #define netxen_set_phy_int_speed_changed(config_word) \ ((config_word) |= 1 << 14) /* * NIU Mode Register. * Bit 0 : enable FibreChannel * Bit 1 : enable 10/100/1000 Ethernet * Bit 2 : enable 10Gb Ethernet */ #define netxen_get_niu_enable_ge(config_word) \ _netxen_crb_get_bit(config_word, 1) /* Promiscous mode options (GbE mode only) */ typedef enum { NETXEN_NIU_PROMISC_MODE = 0, NETXEN_NIU_NON_PROMISC_MODE } netxen_niu_prom_mode_t; /* * NIU GB Drop CRC Register * * Bit 0 : drop_gb0 => 1:drop pkts with bad CRCs, 0:pass them on * Bit 1 : drop_gb1 => 1:drop pkts with bad CRCs, 0:pass them on * Bit 2 : drop_gb2 => 1:drop pkts with bad CRCs, 0:pass them on * Bit 3 : drop_gb3 => 1:drop pkts with bad CRCs, 0:pass them on */ #define netxen_set_gb_drop_gb0(config_word) \ ((config_word) |= 1 << 0) #define netxen_set_gb_drop_gb1(config_word) \ ((config_word) |= 1 << 1) #define netxen_set_gb_drop_gb2(config_word) \ ((config_word) |= 1 << 2) #define netxen_set_gb_drop_gb3(config_word) \ ((config_word) |= 1 << 3) #define netxen_clear_gb_drop_gb0(config_word) \ ((config_word) &= ~(1 << 0)) #define netxen_clear_gb_drop_gb1(config_word) \ ((config_word) &= ~(1 << 1)) #define netxen_clear_gb_drop_gb2(config_word) \ ((config_word) &= ~(1 << 2)) #define netxen_clear_gb_drop_gb3(config_word) \ ((config_word) &= ~(1 << 3)) /* * NIU XG MAC Config Register * * Bit 0 : tx_enable => 1:enable frame xmit, 0:disable * Bit 2 : rx_enable => 1:enable frame recv, 0:disable * Bit 4 : soft_reset => 1:reset the MAC , 0:no-op * Bit 27: xaui_framer_reset * Bit 28: xaui_rx_reset * Bit 29: xaui_tx_reset * Bit 30: xg_ingress_afifo_reset * Bit 31: xg_egress_afifo_reset */ #define netxen_xg_soft_reset(config_word) \ ((config_word) |= 1 << 4) /* * MAC Control Register * * Bit 0-1 : id_pool0 * Bit 2 : enable_xtnd0 * Bit 4-5 : id_pool1 * Bit 6 : enable_xtnd1 * Bit 8-9 : id_pool2 * Bit 10 : enable_xtnd2 * Bit 12-13 : id_pool3 * Bit 14 : enable_xtnd3 * Bit 24-25 : mode_select * Bit 28-31 : enable_pool */ #define netxen_nic_mcr_set_id_pool0(config, val) \ ((config) |= ((val) &0x03)) #define netxen_nic_mcr_set_enable_xtnd0(config) \ ((config) |= 1 << 3) #define netxen_nic_mcr_set_id_pool1(config, val) \ ((config) |= (((val) & 0x03) << 4)) #define netxen_nic_mcr_set_enable_xtnd1(config) \ ((config) |= 1 << 6) #define netxen_nic_mcr_set_id_pool2(config, val) \ ((config) |= (((val) & 0x03) << 8)) #define netxen_nic_mcr_set_enable_xtnd2(config) \ ((config) |= 1 << 10) #define netxen_nic_mcr_set_id_pool3(config, val) \ ((config) |= (((val) & 0x03) << 12)) #define netxen_nic_mcr_set_enable_xtnd3(config) \ ((config) |= 1 << 14) #define netxen_nic_mcr_set_mode_select(config, val) \ ((config) |= (((val) & 0x03) << 24)) #define netxen_nic_mcr_set_enable_pool(config, val) \ ((config) |= (((val) & 0x0f) << 28)) /* Set promiscuous mode for a GbE interface */ int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, netxen_niu_prom_mode_t mode); int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter, netxen_niu_prom_mode_t mode); /* get/set the MAC address for a given MAC */ int netxen_niu_macaddr_get(struct netxen_adapter *adapter, netxen_ethernet_macaddr_t * addr); int netxen_niu_macaddr_set(struct netxen_adapter *adapter, netxen_ethernet_macaddr_t addr); /* XG versons */ int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, netxen_ethernet_macaddr_t * addr); int netxen_niu_xg_macaddr_set(struct netxen_adapter *adapter, netxen_ethernet_macaddr_t addr); /* Generic enable for GbE ports. Will detect the speed of the link. */ int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port); int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port); /* Disable a GbE interface */ int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter); int netxen_niu_disable_xg_port(struct netxen_adapter *adapter); #endif /* __NETXEN_NIC_HW_H_ */