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e1000.c
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e1000.c
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/* Copyright (c) 2002 Intel Corporation */
#include <stdio.h>
#include "internal.h"
/* Register Bit Masks */
/* Device Control */
#define E1000_CTRL_FD 0x00000001 /* Full duplex.0=half; 1=full */
#define E1000_CTRL_BEM 0x00000002 /* Endian Mode.0=little,1=big */
#define E1000_CTRL_PRIOR 0x00000004 /* Priority on PCI. 0=rx,1=fair */
#define E1000_CTRL_LRST 0x00000008 /* Link reset. 0=normal,1=reset */
#define E1000_CTRL_TME 0x00000010 /* Test mode. 0=normal,1=test */
#define E1000_CTRL_SLE 0x00000020 /* Serial Link on 0=dis,1=en */
#define E1000_CTRL_ASDE 0x00000020 /* Auto-speed detect enable */
#define E1000_CTRL_SLU 0x00000040 /* Set link up (Force Link) */
#define E1000_CTRL_ILOS 0x00000080 /* Invert Loss-Of Signal */
#define E1000_CTRL_SPD_SEL 0x00000300 /* Speed Select Mask */
#define E1000_CTRL_SPD_10 0x00000000 /* Force 10Mb */
#define E1000_CTRL_SPD_100 0x00000100 /* Force 100Mb */
#define E1000_CTRL_SPD_1000 0x00000200 /* Force 1Gb */
#define E1000_CTRL_BEM32 0x00000400 /* Big Endian 32 mode */
#define E1000_CTRL_FRCSPD 0x00000800 /* Force Speed */
#define E1000_CTRL_FRCDPX 0x00001000 /* Force Duplex */
#define E1000_CTRL_SWDPIN0 0x00040000 /* SWDPIN 0 value */
#define E1000_CTRL_SWDPIN1 0x00080000 /* SWDPIN 1 value */
#define E1000_CTRL_SWDPIN2 0x00100000 /* SWDPIN 2 value */
#define E1000_CTRL_SWDPIN3 0x00200000 /* SWDPIN 3 value */
#define E1000_CTRL_SWDPIO0 0x00400000 /* SWDPIN 0 Input or output */
#define E1000_CTRL_SWDPIO1 0x00800000 /* SWDPIN 1 input or output */
#define E1000_CTRL_SWDPIO2 0x01000000 /* SWDPIN 2 input or output */
#define E1000_CTRL_SWDPIO3 0x02000000 /* SWDPIN 3 input or output */
#define E1000_CTRL_RST 0x04000000 /* Global reset */
#define E1000_CTRL_RFCE 0x08000000 /* Receive Flow Control enable */
#define E1000_CTRL_TFCE 0x10000000 /* Transmit flow control enable */
#define E1000_CTRL_RTE 0x20000000 /* Routing tag enable */
#define E1000_CTRL_VME 0x40000000 /* IEEE VLAN mode enable */
#define E1000_CTRL_PHY_RST 0x80000000 /* PHY Reset */
/* Device Status */
#define E1000_STATUS_FD 0x00000001 /* Full duplex.0=half,1=full */
#define E1000_STATUS_LU 0x00000002 /* Link up.0=no,1=link */
#define E1000_STATUS_FUNC_MASK 0x0000000C /* PCI Function Mask */
#define E1000_STATUS_FUNC_0 0x00000000 /* Function 0 */
#define E1000_STATUS_FUNC_1 0x00000004 /* Function 1 */
#define E1000_STATUS_TXOFF 0x00000010 /* transmission paused */
#define E1000_STATUS_TBIMODE 0x00000020 /* TBI mode */
#define E1000_STATUS_SPEED_MASK 0x000000C0
#define E1000_STATUS_SPEED_10 0x00000000 /* Speed 10Mb/s */
#define E1000_STATUS_SPEED_100 0x00000040 /* Speed 100Mb/s */
#define E1000_STATUS_SPEED_1000 0x00000080 /* Speed 1000Mb/s */
#define E1000_STATUS_ASDV 0x00000300 /* Auto speed detect value */
#define E1000_STATUS_MTXCKOK 0x00000400 /* MTX clock running OK */
#define E1000_STATUS_PCI66 0x00000800 /* In 66Mhz slot */
#define E1000_STATUS_BUS64 0x00001000 /* In 64 bit slot */
#define E1000_STATUS_PCIX_MODE 0x00002000 /* PCI-X mode */
#define E1000_STATUS_PCIX_SPEED 0x0000C000 /* PCI-X bus speed */
/* Constants used to intrepret the masked PCI-X bus speed. */
#define E1000_STATUS_PCIX_SPEED_66 0x00000000 /* PCI-X bus speed 50-66 MHz */
#define E1000_STATUS_PCIX_SPEED_100 0x00004000 /* PCI-X bus speed 66-100 MHz */
#define E1000_STATUS_PCIX_SPEED_133 0x00008000 /* PCI-X bus speed 100-133 MHz */
/* Receive Control */
#define E1000_RCTL_RST 0x00000001 /* Software reset */
#define E1000_RCTL_EN 0x00000002 /* enable */
#define E1000_RCTL_SBP 0x00000004 /* store bad packet */
#define E1000_RCTL_UPE 0x00000008 /* unicast promiscuous enable */
#define E1000_RCTL_MPE 0x00000010 /* multicast promiscuous enab */
#define E1000_RCTL_LPE 0x00000020 /* long packet enable */
#define E1000_RCTL_LBM_NO 0x00000000 /* no loopback mode */
#define E1000_RCTL_LBM_MAC 0x00000040 /* MAC loopback mode */
#define E1000_RCTL_LBM_SLP 0x00000080 /* serial link loopback mode */
#define E1000_RCTL_LBM_TCVR 0x000000C0 /* tcvr loopback mode */
#define E1000_RCTL_RDMTS 0x00000300 /* rx desc min threshold size */
#define E1000_RCTL_RDMTS_HALF 0x00000000 /* rx desc min threshold size */
#define E1000_RCTL_RDMTS_QUAT 0x00000100 /* rx desc min threshold size */
#define E1000_RCTL_RDMTS_EIGTH 0x00000200 /* rx desc min threshold size */
#define E1000_RCTL_MO_SHIFT 12 /* multicast offset shift */
#define E1000_RCTL_MO_0 0x00000000 /* multicast offset 11:0 */
#define E1000_RCTL_MO_1 0x00001000 /* multicast offset 12:1 */
#define E1000_RCTL_MO_2 0x00002000 /* multicast offset 13:2 */
#define E1000_RCTL_MO_3 0x00003000 /* multicast offset 15:4 */
#define E1000_RCTL_MDR 0x00004000 /* multicast desc ring 0 */
#define E1000_RCTL_BAM 0x00008000 /* broadcast enable */
#define E1000_RCTL_SZ 0x00030000 /* rx buffer size */
/* these buffer sizes are valid if E1000_RCTL_BSEX is 0 */
#define E1000_RCTL_SZ_2048 0x00000000 /* rx buffer size 2048 */
#define E1000_RCTL_SZ_1024 0x00010000 /* rx buffer size 1024 */
#define E1000_RCTL_SZ_512 0x00020000 /* rx buffer size 512 */
#define E1000_RCTL_SZ_256 0x00030000 /* rx buffer size 256 */
/* these buffer sizes are valid if E1000_RCTL_BSEX is 1 */
#define E1000_RCTL_SZ_16384 0x00010000 /* rx buffer size 16384 */
#define E1000_RCTL_SZ_8192 0x00020000 /* rx buffer size 8192 */
#define E1000_RCTL_SZ_4096 0x00030000 /* rx buffer size 4096 */
#define E1000_RCTL_VFE 0x00040000 /* vlan filter enable */
#define E1000_RCTL_CFIEN 0x00080000 /* canonical form enable */
#define E1000_RCTL_CFI 0x00100000 /* canonical form indicator */
#define E1000_RCTL_DPF 0x00400000 /* discard pause frames */
#define E1000_RCTL_PMCF 0x00800000 /* pass MAC control frames */
#define E1000_RCTL_BSEX 0x02000000 /* Buffer size extension */
/* Transmit Control */
#define E1000_TCTL_RST 0x00000001 /* software reset */
#define E1000_TCTL_EN 0x00000002 /* enable tx */
#define E1000_TCTL_BCE 0x00000004 /* busy check enable */
#define E1000_TCTL_PSP 0x00000008 /* pad short packets */
#define E1000_TCTL_CT 0x00000ff0 /* collision threshold */
#define E1000_TCTL_COLD 0x003ff000 /* collision distance */
#define E1000_TCTL_SWXOFF 0x00400000 /* SW Xoff transmission */
#define E1000_TCTL_PBE 0x00800000 /* Packet Burst Enable */
#define E1000_TCTL_RTLC 0x01000000 /* Re-transmit on late collision */
#define E1000_TCTL_NRTU 0x02000000 /* No Re-transmit on underrun */
/* M88E1000 PHY Specific Status Register */
#define M88_PSSR_JABBER 0x0001 /* 1=Jabber */
#define M88_PSSR_REV_POLARITY 0x0002 /* 1=Polarity reversed */
#define M88_PSSR_DOWNSHIFT 0x0020 /* 1=Downshifted */
#define M88_PSSR_MDIX 0x0040 /* 1=MDIX; 0=MDI */
#define M88_PSSR_CABLE_LENGTH 0x0380 /* 0=<50M;1=50-80M;2=80-110M;
* 3=110-140M;4=>140M */
#define M88_PSSR_LINK 0x0400 /* 1=Link up, 0=Link down */
#define M88_PSSR_SPD_DPLX_RESOLVED 0x0800 /* 1=Speed & Duplex resolved */
#define M88_PSSR_PAGE_RCVD 0x1000 /* 1=Page received */
#define M88_PSSR_DPLX 0x2000 /* 1=Duplex 0=Half Duplex */
#define M88_PSSR_SPEED 0xC000 /* Speed, bits 14:15 */
#define M88_PSSR_10MBS 0x0000 /* 00=10Mbs */
#define M88_PSSR_100MBS 0x4000 /* 01=100Mbs */
#define M88_PSSR_1000MBS 0x8000 /* 10=1000Mbs */
#define M88_PSSR_CL_0_50 (0<<7)
#define M88_PSSR_CL_50_80 (1<<7)
#define M88_PSSR_CL_80_110 (2<<7)
#define M88_PSSR_CL_110_140 (3<<7)
#define M88_PSSR_CL_140_PLUS (4<<7)
/* M88E1000 PHY Specific Control Register */
#define M88_PSCR_JABBER_DISABLE 0x0001 /* 1=Jabber Function disabled */
#define M88_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enabled */
#define M88_PSCR_SQE_TEST 0x0004 /* 1=SQE Test enabled */
#define M88_PSCR_CLK125_DISABLE 0x0010 /* 1=CLK125 low,
* 0=CLK125 toggling
*/
#define M88_PSCR_MDI_MASK 0x0060
#define M88_PSCR_MDI_MANUAL_MODE 0x0000 /* MDI Crossover Mode bits 6:5 */
/* Manual MDI configuration */
#define M88_PSCR_MDIX_MANUAL_MODE 0x0020 /* Manual MDIX configuration */
#define M88_PSCR_AUTO_X_1000T 0x0040 /* 1000BASE-T: Auto crossover,
* 100BASE-TX/10BASE-T:
* MDI Mode
*/
#define M88_PSCR_AUTO_X_MODE 0x0060 /* Auto crossover enabled
* all speeds.
*/
#define M88_PSCR_10BT_EXT_DIST_ENABLE 0x0080
/* 1=Enable Extended 10BASE-T distance
* (Lower 10BASE-T RX Threshold)
* 0=Normal 10BASE-T RX Threshold */
#define M88_PSCR_MII_5BIT_ENABLE 0x0100
/* 1=5-Bit interface in 100BASE-TX
* 0=MII interface in 100BASE-TX */
#define M88_PSCR_SCRAMBLER_DISABLE 0x0200 /* 1=Scrambler disable */
#define M88_PSCR_FORCE_LINK_GOOD 0x0400 /* 1=Force link good */
#define M88_PSCR_ASSERT_CRS_ON_TX 0x0800 /* 1=Assert CRS on Transmit */
#define M88_PSCR_POLARITY_REVERSAL_SHIFT 1
#define M88_PSCR_AUTO_X_MODE_SHIFT 5
#define M88_PSCR_10BT_EXT_DIST_ENABLE_SHIFT 7
/* PCI Device IDs */
#define E1000_DEV_ID_82542 0x1000
#define E1000_DEV_ID_82543GC_FIBER 0x1001
#define E1000_DEV_ID_82543GC_COPPER 0x1004
#define E1000_DEV_ID_82544EI_COPPER 0x1008
#define E1000_DEV_ID_82544EI_FIBER 0x1009
#define E1000_DEV_ID_82544GC_COPPER 0x100C
#define E1000_DEV_ID_82544GC_LOM 0x100D
#define E1000_DEV_ID_82540EM 0x100E
#define E1000_DEV_ID_82540EM_LOM 0x1015
#define E1000_DEV_ID_82540EP_LOM 0x1016
#define E1000_DEV_ID_82540EP 0x1017
#define E1000_DEV_ID_82540EP_LP 0x101E
#define E1000_DEV_ID_82545EM_COPPER 0x100F
#define E1000_DEV_ID_82545EM_FIBER 0x1011
#define E1000_DEV_ID_82545GM_COPPER 0x1026
#define E1000_DEV_ID_82545GM_FIBER 0x1027
#define E1000_DEV_ID_82545GM_SERDES 0x1028
#define E1000_DEV_ID_82546EB_COPPER 0x1010
#define E1000_DEV_ID_82546EB_FIBER 0x1012
#define E1000_DEV_ID_82546EB_QUAD_COPPER 0x101D
#define E1000_DEV_ID_82546GB_COPPER 0x1079
#define E1000_DEV_ID_82546GB_FIBER 0x107A
#define E1000_DEV_ID_82546GB_SERDES 0x107B
#define E1000_DEV_ID_82546GB_PCIE 0x108A
#define E1000_DEV_ID_82546GB_QUAD_COPPER 0x1099
#define E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3 0x10B5
#define E1000_DEV_ID_82541EI 0x1013
#define E1000_DEV_ID_82541EI_MOBILE 0x1018
#define E1000_DEV_ID_82541ER_LOM 0x1014
#define E1000_DEV_ID_82541ER 0x1078
#define E1000_DEV_ID_82541GI 0x1076
#define E1000_DEV_ID_82541GI_LF 0x107C
#define E1000_DEV_ID_82541GI_MOBILE 0x1077
#define E1000_DEV_ID_82547EI 0x1019
#define E1000_DEV_ID_82547EI_MOBILE 0x101A
#define E1000_DEV_ID_82547GI 0x1075
#define E1000_DEV_ID_82571EB_COPPER 0x105E
#define E1000_DEV_ID_82571EB_FIBER 0x105F
#define E1000_DEV_ID_82571EB_SERDES 0x1060
#define E1000_DEV_ID_82571EB_QUAD_COPPER 0x10A4
#define E1000_DEV_ID_82571EB_QUAD_FIBER 0x10A5
#define E1000_DEV_ID_82571EB_QUAD_COPPER_LP 0x10BC
#define E1000_DEV_ID_82572EI_COPPER 0x107D
#define E1000_DEV_ID_82572EI_FIBER 0x107E
#define E1000_DEV_ID_82572EI_SERDES 0x107F
#define E1000_DEV_ID_82572EI 0x10B9
#define E1000_DEV_ID_82573E 0x108B
#define E1000_DEV_ID_82573E_IAMT 0x108C
#define E1000_DEV_ID_82573L 0x109A
#define E1000_DEV_ID_80003ES2LAN_COPPER_DPT 0x1096
#define E1000_DEV_ID_80003ES2LAN_SERDES_DPT 0x1098
#define E1000_DEV_ID_80003ES2LAN_COPPER_SPT 0x10BA
#define E1000_DEV_ID_80003ES2LAN_SERDES_SPT 0x10BB
#define E1000_DEV_ID_ICH8_IGP_M_AMT 0x1049
#define E1000_DEV_ID_ICH8_IGP_AMT 0x104A
#define E1000_DEV_ID_ICH8_IGP_C 0x104B
#define E1000_DEV_ID_ICH8_IFE 0x104C
#define E1000_DEV_ID_ICH8_IFE_GT 0x10C4
#define E1000_DEV_ID_ICH8_IFE_G 0x10C5
#define E1000_DEV_ID_ICH8_IGP_M 0x104D
#define E1000_82542_2_0_REV_ID 2
#define E1000_82542_2_1_REV_ID 3
/* Enumerated types specific to the e1000 hardware */
/* Media Access Controlers */
enum e1000_mac_type {
e1000_undefined = 0,
e1000_82542,
e1000_82543,
e1000_82544,
e1000_82540,
e1000_82545,
e1000_82545_rev_3,
e1000_82546,
e1000_82546_rev_3,
e1000_82541,
e1000_82541_rev_2,
e1000_82547,
e1000_82547_rev_2,
e1000_82571,
e1000_82572,
e1000_82573,
e1000_80003es2lan,
e1000_ich8lan,
e1000_num_macs
};
static enum e1000_mac_type e1000_get_mac_type(u16 device_id)
{
enum e1000_mac_type mac_type = e1000_undefined;
switch (device_id) {
case E1000_DEV_ID_82542:
mac_type = e1000_82542;
break;
case E1000_DEV_ID_82543GC_FIBER:
case E1000_DEV_ID_82543GC_COPPER:
mac_type = e1000_82543;
break;
case E1000_DEV_ID_82544EI_COPPER:
case E1000_DEV_ID_82544EI_FIBER:
case E1000_DEV_ID_82544GC_COPPER:
case E1000_DEV_ID_82544GC_LOM:
mac_type = e1000_82544;
break;
case E1000_DEV_ID_82540EM:
case E1000_DEV_ID_82540EM_LOM:
case E1000_DEV_ID_82540EP:
case E1000_DEV_ID_82540EP_LOM:
case E1000_DEV_ID_82540EP_LP:
mac_type = e1000_82540;
break;
case E1000_DEV_ID_82545EM_COPPER:
case E1000_DEV_ID_82545EM_FIBER:
mac_type = e1000_82545;
break;
case E1000_DEV_ID_82545GM_COPPER:
case E1000_DEV_ID_82545GM_FIBER:
case E1000_DEV_ID_82545GM_SERDES:
mac_type = e1000_82545_rev_3;
break;
case E1000_DEV_ID_82546EB_COPPER:
case E1000_DEV_ID_82546EB_FIBER:
case E1000_DEV_ID_82546EB_QUAD_COPPER:
mac_type = e1000_82546;
break;
case E1000_DEV_ID_82546GB_COPPER:
case E1000_DEV_ID_82546GB_FIBER:
case E1000_DEV_ID_82546GB_SERDES:
case E1000_DEV_ID_82546GB_PCIE:
case E1000_DEV_ID_82546GB_QUAD_COPPER:
case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3:
mac_type = e1000_82546_rev_3;
break;
case E1000_DEV_ID_82541EI:
case E1000_DEV_ID_82541EI_MOBILE:
case E1000_DEV_ID_82541ER_LOM:
mac_type = e1000_82541;
break;
case E1000_DEV_ID_82541ER:
case E1000_DEV_ID_82541GI:
case E1000_DEV_ID_82541GI_LF:
case E1000_DEV_ID_82541GI_MOBILE:
mac_type = e1000_82541_rev_2;
break;
case E1000_DEV_ID_82547EI:
case E1000_DEV_ID_82547EI_MOBILE:
mac_type = e1000_82547;
break;
case E1000_DEV_ID_82547GI:
mac_type = e1000_82547_rev_2;
break;
case E1000_DEV_ID_82571EB_COPPER:
case E1000_DEV_ID_82571EB_FIBER:
case E1000_DEV_ID_82571EB_SERDES:
case E1000_DEV_ID_82571EB_QUAD_COPPER:
case E1000_DEV_ID_82571EB_QUAD_FIBER:
case E1000_DEV_ID_82571EB_QUAD_COPPER_LP:
mac_type = e1000_82571;
break;
case E1000_DEV_ID_82572EI:
case E1000_DEV_ID_82572EI_COPPER:
case E1000_DEV_ID_82572EI_FIBER:
case E1000_DEV_ID_82572EI_SERDES:
mac_type = e1000_82572;
break;
case E1000_DEV_ID_82573E:
case E1000_DEV_ID_82573E_IAMT:
case E1000_DEV_ID_82573L:
mac_type = e1000_82573;
break;
case E1000_DEV_ID_80003ES2LAN_COPPER_DPT:
case E1000_DEV_ID_80003ES2LAN_SERDES_DPT:
case E1000_DEV_ID_80003ES2LAN_COPPER_SPT:
case E1000_DEV_ID_80003ES2LAN_SERDES_SPT:
mac_type = e1000_80003es2lan;
break;
case E1000_DEV_ID_ICH8_IFE:
case E1000_DEV_ID_ICH8_IFE_GT:
case E1000_DEV_ID_ICH8_IFE_G:
case E1000_DEV_ID_ICH8_IGP_M:
case E1000_DEV_ID_ICH8_IGP_M_AMT:
case E1000_DEV_ID_ICH8_IGP_AMT:
case E1000_DEV_ID_ICH8_IGP_C:
mac_type = e1000_ich8lan;
break;
default:
/* assume old nic and attempt so user can get limited
* functionality */
mac_type = e1000_82543;
break;
}
return mac_type;
}
int e1000_dump_regs(struct ethtool_drvinfo *info maybe_unused,
struct ethtool_regs *regs)
{
u32 *regs_buff = (u32 *)regs->data;
u16 hw_device_id = (u16)regs->version;
/* u8 hw_revision_id = (u8)(regs->version >> 16); */
u8 version = (u8)(regs->version >> 24);
enum e1000_mac_type mac_type;
u32 reg;
if (version != 1)
return -1;
mac_type = e1000_get_mac_type(hw_device_id);
if(mac_type == e1000_undefined)
return -1;
fprintf(stdout, "MAC Registers\n");
fprintf(stdout, "-------------\n");
/* Device control register */
reg = regs_buff[0];
fprintf(stdout,
"0x00000: CTRL (Device control register) 0x%08X\n"
" Endian mode (buffers): %s\n"
" Link reset: %s\n"
" Set link up: %s\n"
" Invert Loss-Of-Signal: %s\n"
" Receive flow control: %s\n"
" Transmit flow control: %s\n"
" VLAN mode: %s\n",
reg,
reg & E1000_CTRL_BEM ? "big" : "little",
reg & E1000_CTRL_LRST ? "reset" : "normal",
reg & E1000_CTRL_SLU ? "1" : "0",
reg & E1000_CTRL_ILOS ? "yes" : "no",
reg & E1000_CTRL_RFCE ? "enabled" : "disabled",
reg & E1000_CTRL_TFCE ? "enabled" : "disabled",
reg & E1000_CTRL_VME ? "enabled" : "disabled");
if(mac_type >= e1000_82543) {
fprintf(stdout,
" Auto speed detect: %s\n"
" Speed select: %s\n"
" Force speed: %s\n"
" Force duplex: %s\n",
reg & E1000_CTRL_ASDE ? "enabled" : "disabled",
(reg & E1000_CTRL_SPD_SEL) == E1000_CTRL_SPD_10 ? "10Mb/s" :
(reg & E1000_CTRL_SPD_SEL) == E1000_CTRL_SPD_100 ? "100Mb/s" :
(reg & E1000_CTRL_SPD_SEL) == E1000_CTRL_SPD_1000 ? "1000Mb/s" :
"not used",
reg & E1000_CTRL_FRCSPD ? "yes" : "no",
reg & E1000_CTRL_FRCDPX ? "yes" : "no");
}
/* Device status register */
reg = regs_buff[1];
fprintf(stdout,
"0x00008: STATUS (Device status register) 0x%08X\n"
" Duplex: %s\n"
" Link up: %s\n",
reg,
reg & E1000_STATUS_FD ? "full" : "half",
reg & E1000_STATUS_LU ? "link config" : "no link config");
if (mac_type >= e1000_82571) {
fprintf(stdout,
" TBI mode: %s\n"
" Link speed: %s\n"
" Bus type: %s\n"
" Port number: %s\n",
reg & E1000_STATUS_TBIMODE ? "enabled" : "disabled",
(reg & E1000_STATUS_SPEED_MASK) == E1000_STATUS_SPEED_10 ?
"10Mb/s" :
(reg & E1000_STATUS_SPEED_MASK) == E1000_STATUS_SPEED_100 ?
"100Mb/s" :
(reg & E1000_STATUS_SPEED_MASK) == E1000_STATUS_SPEED_1000 ?
"1000Mb/s" : "not used",
"PCI Express",
(reg & E1000_STATUS_FUNC_MASK) == 0 ? "0" : "1");
}
else if (mac_type >= e1000_82543) {
fprintf(stdout,
" TBI mode: %s\n"
" Link speed: %s\n"
" Bus type: %s\n"
" Bus speed: %s\n"
" Bus width: %s\n",
reg & E1000_STATUS_TBIMODE ? "enabled" : "disabled",
(reg & E1000_STATUS_SPEED_MASK) == E1000_STATUS_SPEED_10 ?
"10Mb/s" :
(reg & E1000_STATUS_SPEED_MASK) == E1000_STATUS_SPEED_100 ?
"100Mb/s" :
(reg & E1000_STATUS_SPEED_MASK) == E1000_STATUS_SPEED_1000 ?
"1000Mb/s" : "not used",
(reg & E1000_STATUS_PCIX_MODE) ? "PCI-X" : "PCI",
(reg & E1000_STATUS_PCIX_MODE) ?
((reg & E1000_STATUS_PCIX_SPEED_133) ? "133MHz" :
(reg & E1000_STATUS_PCIX_SPEED_100) ? "100MHz" :
"66MHz") :
((reg & E1000_STATUS_PCI66) ? "66MHz" : "33MHz"),
(reg & E1000_STATUS_BUS64) ? "64-bit" : "32-bit");
}
/* Receive control register */
reg = regs_buff[2];
fprintf(stdout,
"0x00100: RCTL (Receive control register) 0x%08X\n"
" Receiver: %s\n"
" Store bad packets: %s\n"
" Unicast promiscuous: %s\n"
" Multicast promiscuous: %s\n"
" Long packet: %s\n"
" Descriptor minimum threshold size: %s\n"
" Broadcast accept mode: %s\n"
" VLAN filter: %s\n"
" Canonical form indicator: %s\n"
" Discard pause frames: %s\n"
" Pass MAC control frames: %s\n",
reg,
reg & E1000_RCTL_EN ? "enabled" : "disabled",
reg & E1000_RCTL_SBP ? "enabled" : "disabled",
reg & E1000_RCTL_UPE ? "enabled" : "disabled",
reg & E1000_RCTL_MPE ? "enabled" : "disabled",
reg & E1000_RCTL_LPE ? "enabled" : "disabled",
(reg & E1000_RCTL_RDMTS) == E1000_RCTL_RDMTS_HALF ? "1/2" :
(reg & E1000_RCTL_RDMTS) == E1000_RCTL_RDMTS_QUAT ? "1/4" :
(reg & E1000_RCTL_RDMTS) == E1000_RCTL_RDMTS_EIGTH ? "1/8" :
"reserved",
reg & E1000_RCTL_BAM ? "accept" : "ignore",
reg & E1000_RCTL_VFE ? "enabled" : "disabled",
reg & E1000_RCTL_CFIEN ? "enabled" : "disabled",
reg & E1000_RCTL_DPF ? "ignored" : "filtered",
reg & E1000_RCTL_PMCF ? "pass" : "don't pass");
if(mac_type >= e1000_82543) {
fprintf(stdout,
" Receive buffer size: %s\n",
reg & E1000_RCTL_BSEX ?
((reg & E1000_RCTL_SZ)==E1000_RCTL_SZ_16384 ? "16384" :
(reg & E1000_RCTL_SZ)==E1000_RCTL_SZ_8192 ? "8192" :
(reg & E1000_RCTL_SZ)==E1000_RCTL_SZ_4096 ? "4096" :
"reserved") :
((reg & E1000_RCTL_SZ)==E1000_RCTL_SZ_2048 ? "2048" :
(reg & E1000_RCTL_SZ)==E1000_RCTL_SZ_1024 ? "1024" :
(reg & E1000_RCTL_SZ)==E1000_RCTL_SZ_512 ? "512" :
"256"));
} else {
fprintf(stdout,
" Receive buffer size: %s\n",
(reg & E1000_RCTL_SZ) == E1000_RCTL_SZ_2048 ? "2048" :
(reg & E1000_RCTL_SZ) == E1000_RCTL_SZ_1024 ? "1024" :
(reg & E1000_RCTL_SZ) == E1000_RCTL_SZ_512 ? "512" :
"256");
}
/* Receive descriptor registers */
fprintf(stdout,
"0x02808: RDLEN (Receive desc length) 0x%08X\n",
regs_buff[3]);
fprintf(stdout,
"0x02810: RDH (Receive desc head) 0x%08X\n",
regs_buff[4]);
fprintf(stdout,
"0x02818: RDT (Receive desc tail) 0x%08X\n",
regs_buff[5]);
fprintf(stdout,
"0x02820: RDTR (Receive delay timer) 0x%08X\n",
regs_buff[6]);
/* Transmit control register */
reg = regs_buff[7];
fprintf(stdout,
"0x00400: TCTL (Transmit ctrl register) 0x%08X\n"
" Transmitter: %s\n"
" Pad short packets: %s\n"
" Software XOFF Transmission: %s\n",
reg,
reg & E1000_TCTL_EN ? "enabled" : "disabled",
reg & E1000_TCTL_PSP ? "enabled" : "disabled",
reg & E1000_TCTL_SWXOFF ? "enabled" : "disabled");
if(mac_type >= e1000_82543) {
fprintf(stdout,
" Re-transmit on late collision: %s\n",
reg & E1000_TCTL_RTLC ? "enabled" : "disabled");
}
/* Transmit descriptor registers */
fprintf(stdout,
"0x03808: TDLEN (Transmit desc length) 0x%08X\n",
regs_buff[8]);
fprintf(stdout,
"0x03810: TDH (Transmit desc head) 0x%08X\n",
regs_buff[9]);
fprintf(stdout,
"0x03818: TDT (Transmit desc tail) 0x%08X\n",
regs_buff[10]);
fprintf(stdout,
"0x03820: TIDV (Transmit delay timer) 0x%08X\n",
regs_buff[11]);
/* PHY type */
fprintf(stdout,
"PHY type: %s\n",
regs_buff[12] == 0 ? "M88" :
regs_buff[12] == 1 ? "IGP" :
regs_buff[12] == 2 ? "IGP2" : "unknown" );
if (0 == regs_buff[12]) {
reg = regs_buff[13];
fprintf(stdout,
"M88 PHY STATUS REGISTER: 0x%08X\n"
" Jabber: %s\n"
" Polarity: %s\n"
" Downshifted: %s\n"
" MDI/MDIX: %s\n"
" Cable Length Estimate: %s meters\n"
" Link State: %s\n"
" Speed & Duplex Resolved: %s\n"
" Page Received: %s\n"
" Duplex: %s\n"
" Speed: %s mbps\n",
reg,
reg & M88_PSSR_JABBER ? "yes" : "no",
reg & M88_PSSR_REV_POLARITY ? "reverse" : "normal",
reg & M88_PSSR_DOWNSHIFT ? "yes" : "no",
reg & M88_PSSR_MDIX ? "MDIX" : "MDI",
((reg & M88_PSSR_CABLE_LENGTH)==M88_PSSR_CL_0_50 ? "0-50"
: (reg & M88_PSSR_CABLE_LENGTH)==M88_PSSR_CL_50_80 ? "50-80"
: (reg & M88_PSSR_CABLE_LENGTH)==M88_PSSR_CL_80_110 ? "80-110"
: (reg & M88_PSSR_CABLE_LENGTH)==M88_PSSR_CL_110_140? "110-140"
: (reg & M88_PSSR_CABLE_LENGTH)==M88_PSSR_CL_140_PLUS ? "140+"
: "unknown"),
reg & M88_PSSR_LINK ? "Up" : "Down",
reg & M88_PSSR_SPD_DPLX_RESOLVED ? "Yes" : "No",
reg & M88_PSSR_PAGE_RCVD ? "Yes" : "No",
reg & M88_PSSR_DPLX ? "Full" : "Half",
((reg & M88_PSSR_SPEED)==M88_PSSR_10MBS ? "10"
: (reg & M88_PSSR_SPEED)==M88_PSSR_100MBS ? "100"
: (reg & M88_PSSR_SPEED)==M88_PSSR_1000MBS ? "1000"
: "unknown")
);
reg = regs_buff[17];
fprintf(stdout,
"M88 PHY CONTROL REGISTER: 0x%08X\n"
" Jabber function: %s\n"
" Auto-polarity: %s\n"
" SQE Test: %s\n"
" CLK125: %s\n"
" Auto-MDIX: %s\n"
" Extended 10Base-T Distance: %s\n"
" 100Base-TX Interface: %s\n"
" Scrambler: %s\n"
" Force Link Good: %s\n"
" Assert CRS on Transmit: %s\n",
reg,
reg & M88_PSCR_JABBER_DISABLE ? "disabled" : "enabled",
reg & M88_PSCR_POLARITY_REVERSAL ? "enabled" : "disabled",
reg & M88_PSCR_SQE_TEST ? "enabled" : "disabled",
reg & M88_PSCR_CLK125_DISABLE ? "disabled" : "enabled",
((reg & M88_PSCR_MDI_MASK)==M88_PSCR_MDI_MANUAL_MODE ? "force MDI"
: (reg & M88_PSCR_MDI_MASK)==M88_PSCR_MDIX_MANUAL_MODE ? "force MDIX"
: (reg & M88_PSCR_MDI_MASK)==M88_PSCR_AUTO_X_1000T ? "1000 auto, 10/100 MDI"
: (reg & M88_PSCR_MDI_MASK)==M88_PSCR_AUTO_X_MODE ? "auto"
: "wtf"),
reg & M88_PSCR_10BT_EXT_DIST_ENABLE ? "enabled" : "disabled",
reg & M88_PSCR_MII_5BIT_ENABLE ? "5-bit" : "MII",
reg & M88_PSCR_SCRAMBLER_DISABLE ? "disabled" : "enabled",
reg & M88_PSCR_FORCE_LINK_GOOD ? "forced" : "disabled",
reg & M88_PSCR_ASSERT_CRS_ON_TX ? "enabled" : "disabled"
);
}
return 0;
}