[PATCH ethtool] ethtool: add register dump support for lan743x chiptes
DORMANTno replies
From: Raju Lakkaraju <hidden>
Date: 2022-07-14 09:52:30
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add LAN743x register dump Signed-off-by: Raju Lakkaraju <redacted> --- Makefile.am | 2 +- ethtool.c | 1 + internal.h | 3 +++ lan743x.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 78 insertions(+), 1 deletion(-) create mode 100644 lan743x.c
diff --git a/Makefile.am b/Makefile.am
index dc5fbec..b90bb9b 100644
--- a/Makefile.am
+++ b/Makefile.am@@ -18,7 +18,7 @@ ethtool_SOURCES += \ smsc911x.c at76c50x-usb.c sfc.c stmmac.c \ sff-common.c sff-common.h sfpid.c sfpdiag.c \ ixgbevf.c tse.c vmxnet3.c qsfp.c qsfp.h fjes.c lan78xx.c \ - igc.c cmis.c cmis.h bnxt.c + igc.c cmis.c cmis.h bnxt.c lan743x.c endif if ENABLE_BASH_COMPLETION
diff --git a/ethtool.c b/ethtool.c
index 911f26b..0eff9da 100644
--- a/ethtool.c
+++ b/ethtool.c@@ -1129,6 +1129,7 @@ static const struct { { "fec", fec_dump_regs }, { "igc", igc_dump_regs }, { "bnxt_en", bnxt_dump_regs }, + { "lan743x", lan743x_dump_regs }, }; #endif
diff --git a/internal.h b/internal.h
index 0d9d816..54ae4c6 100644
--- a/internal.h
+++ b/internal.h@@ -412,4 +412,7 @@ int igc_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs); /* Broadcom Ethernet Controller */ int bnxt_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs); +/* Microchip Ethernet Controller */ +int lan743x_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs); + #endif /* ETHTOOL_INTERNAL_H__ */
diff --git a/lan743x.c b/lan743x.c
new file mode 100644
index 0000000..f430ee8
--- /dev/null
+++ b/lan743x.c@@ -0,0 +1,73 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries. */ + +#include <stdio.h> +#include <string.h> +#include "internal.h" + +#define LAN743X_ETH_REG_VERSION 1 + +enum { + ETH_PRIV_FLAGS, + ETH_ID_REV, + ETH_FPGA_REV, + ETH_STRAP_READ, + ETH_INT_STS, + ETH_HW_CFG, + ETH_PMT_CTL, + ETH_E2P_CMD, + ETH_E2P_DATA, + ETH_MAC_CR, + ETH_MAC_RX, + ETH_MAC_TX, + ETH_FLOW, + ETH_MII_ACC, + ETH_MII_DATA, + ETH_EEE_TX_LPI_REQ_DLY, + ETH_WUCSR, + ETH_WK_SRC, + + /* Add new registers above */ + MAX_LAN743X_ETH_REGS +}; + +void lan743x_comm_dump_regs(struct ethtool_drvinfo *info __maybe_unused, + struct ethtool_regs *regs) +{ + u32 *lan743x_reg = (u32 *)regs->data; + + fprintf(stdout, "LAN743x Registers:\n"); + fprintf(stdout, "------------------\n"); + fprintf(stdout, "CHIP_ID_REV = 0x%08X\n", lan743x_reg[ETH_ID_REV]); + fprintf(stdout, "FPGA_REV = 0x%08X\n", lan743x_reg[ETH_FPGA_REV]); + fprintf(stdout, "STRAP_READ = 0x%08X\n", lan743x_reg[ETH_STRAP_READ]); + fprintf(stdout, "INT_STS = 0x%08X\n", lan743x_reg[ETH_INT_STS]); + fprintf(stdout, "HW_CFG = 0x%08X\n", lan743x_reg[ETH_HW_CFG]); + fprintf(stdout, "PMT_CTRL = 0x%08X\n", lan743x_reg[ETH_PMT_CTL]); + fprintf(stdout, "E2P_CMD = 0x%08X\n", lan743x_reg[ETH_E2P_CMD]); + fprintf(stdout, "E2P_DATA = 0x%08X\n", lan743x_reg[ETH_E2P_DATA]); + fprintf(stdout, "\n"); + + fprintf(stdout, "MAC Registers:\n"); + fprintf(stdout, "--------------\n"); + fprintf(stdout, "MAC_CR = 0x%08X\n", lan743x_reg[ETH_MAC_CR]); + fprintf(stdout, "MAC_RX = 0x%08X\n", lan743x_reg[ETH_MAC_RX]); + fprintf(stdout, "MAC_TX = 0x%08X\n", lan743x_reg[ETH_MAC_TX]); + fprintf(stdout, "FLOW = 0x%08X\n", lan743x_reg[ETH_FLOW]); + fprintf(stdout, "MII_ACC = 0x%08X\n", lan743x_reg[ETH_MII_ACC]); + fprintf(stdout, "MII_DATA = 0x%08X\n", lan743x_reg[ETH_MII_DATA]); + fprintf(stdout, "WUCSR = 0x%08X\n", lan743x_reg[ETH_WUCSR]); + fprintf(stdout, "WK_SRC = 0x%08X\n", lan743x_reg[ETH_WK_SRC]); + fprintf(stdout, "EEE_TX_LPI_REQ_DLY = 0x%08X\n", + lan743x_reg[ETH_EEE_TX_LPI_REQ_DLY]); + fprintf(stdout, "\n"); +} + +int lan743x_dump_regs(struct ethtool_drvinfo *info __maybe_unused, + struct ethtool_regs *regs) +{ + + lan743x_comm_dump_regs(info, regs); + + return 0; +}
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2.25.1