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Date: Thu, 5 Apr 2018 11:41:28 +0530
From: Raghuram Chary J <raghuramchary.jallipalli@...rochip.com>
To: <davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <unglinuxdriver@...rochip.com>,
<woojung.huh@...rochip.com>,
<raghuramchary.jallipalli@...rochip.com>
Subject: [PATCH ethtool] ethtool: Add register dump support for MICROCHIP LAN78xx
This patch adds support for Microchip's lan78xx families
of USB Ethernet controllers to ethtool's dump registers
command.
This patch is for use with the lan78xx driver.
Signed-off-by: Raghuram Chary J <raghuramchary.jallipalli@...rochip.com>
---
Makefile.am | 2 +-
ethtool.c | 1 +
internal.h | 4 +++
lan78xx.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 93 insertions(+), 1 deletion(-)
create mode 100644 lan78xx.c
diff --git a/Makefile.am b/Makefile.am
index edbda57..14f79b6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -14,7 +14,7 @@ ethtool_SOURCES += \
pcnet32.c realtek.c tg3.c marvell.c vioc.c \
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
+ ixgbevf.c tse.c vmxnet3.c qsfp.c qsfp.h fjes.c lan78xx.c
endif
TESTS = test-cmdline test-features
diff --git a/ethtool.c b/ethtool.c
index da7421c..3494402 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -1160,6 +1160,7 @@ static const struct {
{ "altera_tse", altera_tse_dump_regs },
{ "vmxnet3", vmxnet3_dump_regs },
{ "fjes", fjes_dump_regs },
+ { "lan78xx", lan78xx_dump_regs },
#endif
};
diff --git a/internal.h b/internal.h
index 913f4eb..b239dc7 100644
--- a/internal.h
+++ b/internal.h
@@ -350,4 +350,8 @@ void sff8636_show_all(const __u8 *id, __u32 eeprom_len);
/* FUJITSU Extended Socket network device */
int fjes_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
+
+/* MICROCHIP LAN78XX USB ETHERNET Controller */
+int lan78xx_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
+
#endif /* ETHTOOL_INTERNAL_H__ */
diff --git a/lan78xx.c b/lan78xx.c
new file mode 100644
index 0000000..bb64e80
--- /dev/null
+++ b/lan78xx.c
@@ -0,0 +1,87 @@
+#include <stdio.h>
+#include <string.h>
+#include "internal.h"
+
+int lan78xx_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)
+{
+ unsigned int *lan78xx_reg = (unsigned int *)regs->data;
+
+ fprintf(stdout, "LAN78xx Registers:\n");
+ fprintf(stdout, "------------------\n");
+ fprintf(stdout, "ID_REV = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "INT_STS = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "HW_CFG = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "PMT_CTRL = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "E2P_CMD = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "E2P_DATA = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "USB_STATUS = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "VLAN_TYPE = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "\n");
+
+ fprintf(stdout, "MAC Registers:\n");
+ fprintf(stdout, "--------------\n");
+ fprintf(stdout, "MAC_CR = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "MAC_RX = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "MAC_TX = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "FLOW = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "ERR_STS = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "MII_ACC = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "MII_DATA = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "EEE_TX_LPI_REQ_DLY = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "EEE_TW_TX_SYS = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "EEE_TX_LPI_REM_DLY = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "WUCSR = 0x%08X\n", *lan78xx_reg++);
+ fprintf(stdout, "\n");
+
+ fprintf(stdout, "PHY Registers:\n");
+ fprintf(stdout, "--------------\n");
+ fprintf(stdout, "Mode Control = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Mode Status = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Device identifier1 = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Device identifier2 = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Auto-Neg Advertisement = 0x%04X\n",
+ *lan78xx_reg++);
+ fprintf(stdout, "Auto-Neg Link Partner Ability = 0x%04X\n",
+ *lan78xx_reg++);
+ fprintf(stdout, "Auto-Neg Expansion = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Auto-Neg Next Page TX = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Auto-Neg Link Partner Next Page RX = 0x%04X\n",
+ *lan78xx_reg++);
+ fprintf(stdout, "1000BASE-T Control = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "1000BASE-T Status = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Reserved = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Reserved = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "MMD Access Control = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "MMD Access Address/Data = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "1000BASE-T Status Extension1 = 0x%04X\n",
+ *lan78xx_reg++);
+ fprintf(stdout, "1000BASE-TX Status Extension = 0x%04X\n",
+ *lan78xx_reg++);
+ fprintf(stdout, "1000BASE-T Status Extension2 = 0x%04X\n",
+ *lan78xx_reg++);
+ fprintf(stdout, "Bypass Control = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout,
+ "100BASE-TX/1000BASE-T Rx Error Counter = 0x%04X\n",
+ *lan78xx_reg++);
+ fprintf(stdout,
+ "100BASE-TX/1000BASE-T FC Err Counter = 0x%04X\n",
+ *lan78xx_reg++);
+ fprintf(stdout,
+ "10BASE-T/100BASE-TX/1000BASE-T LD Counter = 0x%04X\n",
+ *lan78xx_reg++);
+ fprintf(stdout, "Extended 10BASE-T Control and Status = 0x%04X\n",
+ *lan78xx_reg++);
+ fprintf(stdout, "Extended PHY Control1 = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Extended PHY Control2 = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Interrupt Mask = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Interrupt Status = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Reserved = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Auxiliary Control and Status = 0x%04X\n",
+ *lan78xx_reg++);
+ fprintf(stdout, "LED Mode Select = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "LED Behavior = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "Extended Page Access = 0x%04X\n", *lan78xx_reg++);
+ fprintf(stdout, "\n");
+
+ return 0;
+}
--
2.16.2
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