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Diffstat (limited to '')
| -rw-r--r-- | e100.c | 238 |
1 files changed, 238 insertions, 0 deletions
@@ -0,0 +1,238 @@ +/* Copyright (c) 2002 Intel Corporation */ +#include <stdio.h> +#include "internal.h" + +#define D102_REV_ID 12 + +#define MDI_MDIX_CONFIG_IS_OK 0x0010 +#define MDI_MDIX_STATUS 0x0020 + +#define SOFT_INT 0x0200 /* Generate a S/W interrupt */ + +/* Interrupt masks */ +#define ALL_INT_MASK 0x0100 /* Mask interrupts */ +#define FCP_INT_MASK 0x0400 /* Flow Control Pause */ +#define ER_INT_MASK 0x0800 /* Early Receive */ +#define RNR_INT_MASK 0x1000 /* RU Not Ready */ +#define CNA_INT_MASK 0x2000 /* CU Not Active */ +#define FR_INT_MASK 0x4000 /* Frame Received */ +#define CX_INT_MASK 0x8000 /* CU eXecution w/ I-bit done */ + +/* Interrupts pending */ +#define FCP_INT_PENDING 0x0100 /* Flow Control Pause */ +#define ER_INT_PENDING 0x0200 /* Early Receive */ +#define SWI_INT_PENDING 0x0400 /* S/W generated interrupt */ +#define MDI_INT_PENDING 0x0800 /* MDI read or write done */ +#define RNR_INT_PENDING 0x1000 /* RU Became Not Ready */ +#define CNA_INT_PENDING 0x2000 /* CU Became Inactive (IDLE) */ +#define FR_INT_PENDING 0x4000 /* RU Received A Frame */ +#define CX_INT_PENDING 0x8000 /* CU Completed Action Cmd */ + +/* Status */ +#define CU_STATUS 0x00C0 +#define RU_STATUS 0x003C + +/* Commands */ +#define CU_CMD 0x00F0 +#define RU_CMD 0x0007 + +int e100_dump_regs(struct ethtool_drvinfo *info __maybe_unused, + struct ethtool_regs *regs) +{ + u32 *regs_buff = (u32 *)regs->data; + u8 version = (u8)(regs->version >> 24); + u8 rev_id = (u8)(regs->version); + u8 regs_len = regs->len / sizeof(u32); + u32 reg; + u16 scb_status, scb_cmd; + + if (version != 1) + return -1; + + reg = regs_buff[0]; + scb_status = reg & 0x0000ffff; + scb_cmd = reg >> 16; + fprintf(stdout, + "SCB Status Word (Lower Word) 0x%04X\n", + scb_status); + + switch ((scb_status & RU_STATUS) >> 2) { + case 0: + fprintf(stdout, + " RU Status: Idle\n"); + break; + case 1: + fprintf(stdout, + " RU Status: Suspended\n"); + break; + case 2: + fprintf(stdout, + " RU Status: No Resources\n"); + break; + case 4: + fprintf(stdout, + " RU Status: Ready\n"); + break; + case 9: + fprintf(stdout, + " RU Status: Suspended with no more RBDs\n"); + break; + case 10: + fprintf(stdout, + " RU Status: No Resources due to no more RBDs\n"); + break; + case 12: + fprintf(stdout, + " RU Status: Ready with no RBDs present\n"); + break; + default: + fprintf(stdout, + " RU Status: Unknown State\n"); + break; + } + + switch ((scb_status & CU_STATUS) >> 6) { + case 0: + fprintf(stdout, + " CU Status: Idle\n"); + break; + case 1: + fprintf(stdout, + " CU Status: Suspended\n"); + break; + case 2: + fprintf(stdout, + " CU Status: Active\n"); + break; + default: + fprintf(stdout, + " CU Status: Unknown State\n"); + break; + } + + fprintf(stdout, + " ---- Interrupts Pending ----\n" + " Flow Control Pause: %s\n" + " Early Receive: %s\n" + " Software Generated Interrupt: %s\n" + " MDI Done: %s\n" + " RU Not In Ready State: %s\n" + " CU Not in Active State: %s\n" + " RU Received Frame: %s\n" + " CU Completed Command: %s\n", + scb_status & FCP_INT_PENDING ? "yes" : "no", + scb_status & ER_INT_PENDING ? "yes" : "no", + scb_status & SWI_INT_PENDING ? "yes" : "no", + scb_status & MDI_INT_PENDING ? "yes" : "no", + scb_status & RNR_INT_PENDING ? "yes" : "no", + scb_status & CNA_INT_PENDING ? "yes" : "no", + scb_status & FR_INT_PENDING ? "yes" : "no", + scb_status & CX_INT_PENDING ? "yes" : "no"); + + fprintf(stdout, + "SCB Command Word (Upper Word) 0x%04X\n", + scb_cmd); + + switch (scb_cmd & RU_CMD) { + case 0: + fprintf(stdout, + " RU Command: No Command\n"); + break; + case 1: + fprintf(stdout, + " RU Command: RU Start\n"); + break; + case 2: + fprintf(stdout, + " RU Command: RU Resume\n"); + break; + case 4: + fprintf(stdout, + " RU Command: RU Abort\n"); + break; + case 6: + fprintf(stdout, + " RU Command: Load RU Base\n"); + break; + default: + fprintf(stdout, + " RU Command: Unknown\n"); + break; + } + + switch ((scb_cmd & CU_CMD) >> 4) { + case 0: + fprintf(stdout, + " CU Command: No Command\n"); + break; + case 1: + fprintf(stdout, + " CU Command: CU Start\n"); + break; + case 2: + fprintf(stdout, + " CU Command: CU Resume\n"); + break; + case 4: + fprintf(stdout, + " CU Command: Load Dump Counters Address\n"); + break; + case 5: + fprintf(stdout, + " CU Command: Dump Counters\n"); + break; + case 6: + fprintf(stdout, + " CU Command: Load CU Base\n"); + break; + case 7: + fprintf(stdout, + " CU Command: Dump & Reset Counters\n"); + break; + default: + fprintf(stdout, + " CU Command: Unknown\n"); + break; + } + + fprintf(stdout, + " Software Generated Interrupt: %s\n", + scb_cmd & SOFT_INT ? "yes" : "no"); + + fprintf(stdout, + " ---- Interrupts Masked ----\n" + " ALL Interrupts: %s\n" + " Flow Control Pause: %s\n" + " Early Receive: %s\n" + " RU Not In Ready State: %s\n" + " CU Not in Active State: %s\n" + " RU Received Frame: %s\n" + " CU Completed Command: %s\n", + scb_cmd & ALL_INT_MASK ? "yes" : "no", + scb_cmd & FCP_INT_MASK ? "yes" : "no", + scb_cmd & ER_INT_MASK ? "yes" : "no", + scb_cmd & RNR_INT_MASK ? "yes" : "no", + scb_cmd & CNA_INT_MASK ? "yes" : "no", + scb_cmd & FR_INT_MASK ? "yes" : "no", + scb_cmd & CX_INT_MASK ? "yes" : "no"); + + if(regs_len > 1) { + fprintf(stdout, "MDI/MDI-X Status: "); + if(rev_id < D102_REV_ID) + fprintf(stdout, "MDI\n"); + else { + u16 ctrl_reg = regs_buff[1]; + + if(ctrl_reg & MDI_MDIX_CONFIG_IS_OK) { + if(ctrl_reg & MDI_MDIX_STATUS) + fprintf(stdout, "MDI-X\n"); + else + fprintf(stdout, "MDI\n"); + } else + fprintf(stdout, "Unknown\n"); + } + } + + return 0; +} + |