@@ -16,7 +16,8 @@ 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 lan78xx.c
+ ixgbevf.c tse.c vmxnet3.c qsfp.c qsfp.h fjes.c lan78xx.c \
+ igc.c
endif
if ENABLE_BASH_COMPLETION
@@ -1049,6 +1049,7 @@ static const struct {
{ "lan78xx", lan78xx_dump_regs },
{ "dsa", dsa_dump_regs },
{ "fec", fec_dump_regs },
+ { "igc", igc_dump_regs },
#endif
};
new file mode 100644
@@ -0,0 +1,62 @@
+/* Copyright (c) 2020 Intel Corporation */
+#include <stdio.h>
+#include "internal.h"
+
+#define RAH_RAH 0x0000FFFF
+#define RAH_ASEL 0x00010000
+#define RAH_QSEL 0x000C0000
+#define RAH_QSEL_EN 0x10000000
+#define RAH_AV 0x80000000
+
+#define RAH_QSEL_SHIFT 18
+
+static const char *bit_to_boolean(u32 val)
+{
+ return val ? "True" : "False";
+}
+
+int igc_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)
+{
+ u32 reg;
+ int offset, i;
+ u32 *regs_buff = (u32 *)regs->data;
+ u8 version = (u8)(regs->version >> 24);
+
+ if (version != 2)
+ return -1;
+
+ for (offset = 0; offset < 172; offset++) {
+ reg = regs_buff[offset];
+ printf("%04d: 0x%08X\n", offset, reg);
+ }
+
+ offset = 172;
+
+ for (i = 0; i < 16; i++) {
+ reg = regs_buff[offset + i];
+ printf("%04d: RAL (Receive Address Low %02d) \n"
+ " Receive Address Low: %08X\n",
+ offset + i, i,
+ reg);
+ }
+
+ offset = 188;
+
+ for (i = 0; i < 16; i++) {
+ reg = regs_buff[offset + i];
+ printf("%04d: RAH (Receive Address High %02d) \n"
+ " Receive Address High: %04X\n"
+ " Address Select: %s\n"
+ " Queue Select: %d\n"
+ " Queue Select Enable: %s\n"
+ " Address Valid: %s\n",
+ offset + i, i,
+ reg & RAH_RAH,
+ reg & RAH_ASEL ? "Source" : "Destination",
+ (reg & RAH_QSEL) >> RAH_QSEL_SHIFT,
+ bit_to_boolean(reg & RAH_QSEL_EN),
+ bit_to_boolean(reg & RAH_AV));
+ }
+
+ return 0;
+}
@@ -393,4 +393,7 @@ int dsa_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
/* i.MX Fast Ethernet Controller */
int fec_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
+/* Intel(R) Ethernet Controller I225-LM/I225-V adapter family */
+int igc_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
+
#endif /* ETHTOOL_INTERNAL_H__ */
This patch adds the initial support for parsing registers dumped by the IGC driver. At this moment, only the Receive Address Low (RAL) and the Receive Address High (RAH) registers are parsed. More registers will be added on demand. Signed-off-by: Andre Guedes <andre.guedes@intel.com> --- Makefile.am | 3 ++- ethtool.c | 1 + igc.c | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++ internal.h | 3 +++ 4 files changed, 68 insertions(+), 1 deletion(-) create mode 100644 igc.c