/*
* 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_port *port);
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) \
set_bit(0, (unsigned long*)(&config_word))
#define netxen_gb_enable_rx(config_word) \
set_bit(2, (unsigned long*)(&config_word))
#define netxen_gb_tx_flowctl(config_word) \
set_bit(4, (unsigned long*)(&config_word))
#define netxen_gb_rx_flowctl(config_word) \
set_bit(5, (unsigned long*)(&config_word))
#define netxen_gb_tx_reset_pb(config_word) \
set_bit(16, (unsigned long*)(&config_word))
#define netxen_gb_rx_reset_pb(config_word) \
set_bit(17, (unsigned long*)(&config_word))
#define netxen_gb_tx_reset_mac(config_word) \
set_bit(18, (unsigned long*)(&config_word))
#define netxen_gb_rx_reset_mac(config_word) \
set_bit(19, (unsigned long*)(&config_word))
#define netxen_gb_soft_reset(config_word) \
set_bit(31, (unsigned long*)(&config_word))
#define netxen_gb_unset_tx_flowctl(config_word) \
clear_bit(4, (unsigned long *)(&config_word))
#define netxen_gb_unset_rx_flowctl(config_word) \
clear_bit(5, (unsigned long*)(&config_word))
#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) \
set_bit(0, (unsigned long*)&config_word)
#define netxen_gb_set_crc_enable(config_word) \
set_bit(1, (unsigned long*)&config_word)
#define netxen_gb_set_padshort(config_word) \
set_bit(2, (unsigned long*)&config_word)
#define netxen_gb_set_checklength(config_word) \
set_bit(4, (unsigned long*)&config_word)
#define netxen_gb_set_hugeframes(config_word) \
set_bit(5, (unsigned long*)&config_word)
#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) \
set_bit(31, (unsigned long*)&config_word)
#define netxen_gb_mii_mgmt_unset(config_word) \
clear_bit(31, (unsigned long*)&config_word)
/*
* 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) \
set_bit(0, (unsigned long*)&config_word)
#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) \
set_bit(13, (unsigned long*)&config_word)
#define netxen_clear_phy_duplex(config_word) \
clear_bit(13, (unsigned long*)&config_word)
#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) \
set_bit(10, (unsigned long*)&config_word)
#define netxen_set_phy_int_autoneg_completed(config_word) \
set_bit(11, (unsigned long*)&config_word)
#define netxen_set_phy_int_speed_changed(config_word) \
set_bit(14, (unsigned long*)&config_word)
/*
* 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) \
set_bit(0, (unsigned long*)&config_word)
#define netxen_set_gb_drop_gb1(config_word) \
set_bit(1, (unsigned long*)&config_word)
#define netxen_set_gb_drop_gb2(config_word) \
set_bit(2, (unsigned long*)&config_word)
#define netxen_set_gb_drop_gb3(config_word) \
set_bit(3, (unsigned long*)&config_word)
#define netxen_clear_gb_drop_gb0(config_word) \
clear_bit(0, (unsigned long*)&config_word)
#define netxen_clear_gb_drop_gb1(config_word) \
clear_bit(1, (unsigned long*)&config_word)
#define netxen_clear_gb_drop_gb2(config_word) \
clear_bit(2, (unsigned long*)&config_word)
#define netxen_clear_gb_drop_gb3(config_word) \
clear_bit(3, (unsigned long*)&config_word)
/*
* 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) \
set_bit(4, (unsigned long*)&config_word)
/*
* 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) \
(set_bit(3, (unsigned long *)&(config)))
#define netxen_nic_mcr_set_id_pool1(config, val) \
((config) |= (((val) & 0x03) << 4))
#define netxen_nic_mcr_set_enable_xtnd1(config) \
(set_bit(6, (unsigned long *)&(config)))
#define netxen_nic_mcr_set_id_pool2(config, val) \
((config) |= (((val) & 0x03) << 8))
#define netxen_nic_mcr_set_enable_xtnd2(config) \
(set_bit(10, (unsigned long *)&(config)))
#define netxen_nic_mcr_set_id_pool3(config, val) \
((config) |= (((val) & 0x03) << 12))
#define netxen_nic_mcr_set_enable_xtnd3(config) \
(set_bit(14, (unsigned long *)&(config)))
#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, int port,
netxen_niu_prom_mode_t mode);
int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter,
int port, netxen_niu_prom_mode_t mode);
/* get/set the MAC address for a given MAC */
int netxen_niu_macaddr_get(struct netxen_adapter *adapter, int port,
netxen_ethernet_macaddr_t * addr);
int netxen_niu_macaddr_set(struct netxen_port *port,
netxen_ethernet_macaddr_t addr);
/* XG versons */
int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, int port,
netxen_ethernet_macaddr_t * addr);
int netxen_niu_xg_macaddr_set(struct netxen_port *port,
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 port);
int netxen_niu_disable_xg_port(struct netxen_adapter *adapter, int port);
#endif /* __NETXEN_NIC_HW_H_ */
