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Date: Tue, 6 Oct 2009 09:51:53 +0200
From: Giuseppe CAVALLARO <peppe.cavallaro@...com>
To: netdev@...r.kernel.org
Cc: Giuseppe Cavallaro <peppe.cavallaro@...com>
Subject: [PATCH] ethtool: add register dump support for the stmmac driver.
This adds all MAC versions currently found in the STM embedded
platforms (core by Synopsys).
This supports both the DWC Ether MAC 10/100/1000 and the MAC
10/100 devices.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@...com>
---
Makefile.am | 2 +-
ethtool-util.h | 5 +++++
ethtool.c | 2 ++
stmmac.c | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 64 insertions(+), 1 deletions(-)
create mode 100644 stmmac.c
diff --git a/Makefile.am b/Makefile.am
index eac65fe..4e1a348 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,7 +8,7 @@ ethtool_SOURCES = ethtool.c ethtool-copy.h ethtool-util.h \
amd8111e.c de2104x.c e100.c e1000.c igb.c \
fec_8xx.c ibm_emac.c ixgb.c ixgbe.c natsemi.c \
pcnet32.c realtek.c tg3.c marvell.c vioc.c \
- smsc911x.c
+ smsc911x.c stmmac.c
dist-hook:
cp $(top_srcdir)/ethtool.spec $(distdir)
diff --git a/ethtool-util.h b/ethtool-util.h
index 5572771..4aba378 100644
--- a/ethtool-util.h
+++ b/ethtool-util.h
@@ -73,4 +73,9 @@ int vioc_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
/* SMSC LAN911x/LAN921x embedded ethernet controller */
int smsc911x_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
+/* STMMAC embedded ethernet controller */
+int st_mac100_dump_regs(struct ethtool_drvinfo *info,
+ struct ethtool_regs *regs);
+int st_gmac_dump_regs(struct ethtool_drvinfo *info,
+ struct ethtool_regs *regs);
#endif
diff --git a/ethtool.c b/ethtool.c
index 0110682..6c1eac2 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -1189,6 +1189,8 @@ static struct {
{ "sky2", sky2_dump_regs },
{ "vioc", vioc_dump_regs },
{ "smsc911x", smsc911x_dump_regs },
+ { "st_mac100", st_mac100_dump_regs },
+ { "st_gmac", st_gmac_dump_regs },
};
static int dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)
diff --git a/stmmac.c b/stmmac.c
new file mode 100644
index 0000000..9a19b4f
--- /dev/null
+++ b/stmmac.c
@@ -0,0 +1,56 @@
+/* Copyright (C) 2007-2009 STMicroelectronics Ltd
+ * Author: Giuseppe Cavallaro <peppe.cavallaro@...com>
+ */
+#include <stdio.h>
+#include <string.h>
+#include "ethtool-util.h"
+
+int st_mac100_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)
+{
+ int i;
+ unsigned int *stmmac_reg = (unsigned int *)regs->data;
+
+ fprintf(stdout, "ST MAC 10/100 Registers\n");
+ fprintf(stdout, "control reg 0x%08X\n", *stmmac_reg++);
+ fprintf(stdout, "addr HI 0x%08X\n", *stmmac_reg++);
+ fprintf(stdout, "addr LO 0x%08X\n", *stmmac_reg++);
+ fprintf(stdout, "multicast hash HI 0x%08X\n", *stmmac_reg++);
+ fprintf(stdout, "multicast hash LO 0x%08X\n", *stmmac_reg++);
+ fprintf(stdout, "MII addr 0x%08X\n", *stmmac_reg++);
+ fprintf(stdout, "MII data %08X\n", *stmmac_reg++);
+ fprintf(stdout, "flow control 0x%08X\n", *stmmac_reg++);
+ fprintf(stdout, "VLAN1 tag 0x%08X\n", *stmmac_reg++);
+ fprintf(stdout, "VLAN2 tag 0x%08X\n", *stmmac_reg++);
+ fprintf(stdout, "mac wakeup frame 0x%08X\n", *stmmac_reg++);
+ fprintf(stdout, "mac wakeup crtl 0x%08X\n", *stmmac_reg++);
+
+ fprintf(stdout, "\n");
+ fprintf(stdout, "DMA Registers\n");
+ for (i = 0; i < 9; i++)
+ fprintf(stdout, "CSR%d 0x%08X\n", i, *stmmac_reg++);
+
+ fprintf(stdout, "DMA cur tx buf addr 0x%08X\n", *stmmac_reg++);
+ fprintf(stdout, "DMA cur rx buf addr 0x%08X\n", *stmmac_reg++);
+
+ fprintf(stdout, "\n");
+
+ return 0;
+}
+
+int st_gmac_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)
+{
+ int i;
+ unsigned int *stmmac_reg = (unsigned int *)regs->data;
+
+ fprintf(stdout, "ST GMAC Registers\n");
+ fprintf(stdout, "GMAC Registers\n");
+ for (i = 0; i < 55; i++)
+ fprintf(stdout, "Reg%d 0x%08X\n", i, *stmmac_reg++);
+
+ fprintf(stdout, "\n");
+ fprintf(stdout, "DMA Registers\n");
+ for (i = 0; i < 22; i++)
+ fprintf(stdout, "Reg%d 0x%08X\n", i, *stmmac_reg++);
+
+ return 0;
+}
--
1.6.0.4
--
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