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Message-Id: <1443046752-28892-1-git-send-email-skhare@vmware.com>
Date: Wed, 23 Sep 2015 15:19:12 -0700
From: Shrikrishna Khare <skhare@...are.com>
To: bwh@...nel.org, netdev@...r.kernel.org, pv-drivers@...are.com
Cc: Shrikrishna Khare <skhare@...are.com>,
Bhavesh Davda <bhavesh@...are.com>
Subject: [PATCH] ethtool: Add vmxnet3 register dump support
This adds support for dumping vmxnet3 registers in a readable format.
Signed-off-by: Shrikrishna Khare <skhare@...are.com>
Signed-off-by: Bhavesh Davda <bhavesh@...are.com>
Acked-by: Srividya Murali <smurali@...are.com>
---
Makefile.am | 2 +-
ethtool.c | 2 +
internal.h | 3 +
vmxnet3.c | 198 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 204 insertions(+), 1 deletion(-)
create mode 100644 vmxnet3.c
diff --git a/Makefile.am b/Makefile.am
index 4698d16..6814bc9 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -13,7 +13,7 @@ ethtool_SOURCES += \
fec_8xx.c ibm_emac.c ixgb.c ixgbe.c natsemi.c \
pcnet32.c realtek.c tg3.c marvell.c vioc.c \
smsc911x.c at76c50x-usb.c sfc.c stmmac.c \
- sfpid.c sfpdiag.c ixgbevf.c tse.c
+ sfpid.c sfpdiag.c ixgbevf.c tse.c vmxnet3.c
endif
TESTS = test-cmdline test-features
diff --git a/ethtool.c b/ethtool.c
index 01b13a6..92c40b8 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -20,6 +20,7 @@
* Copyright 2009, 2010 Solarflare Communications
* MDI-X set support by Jesse Brandeburg <jesse.brandeburg@...el.com>
* Copyright 2012 Intel Corporation
+ * vmxnet3 support by Shrikrishna Khare <skhare@...are.com>
*
* TODO:
* * show settings for all devices
@@ -974,6 +975,7 @@ static const struct {
{ "st_gmac", st_gmac_dump_regs },
{ "et131x", et131x_dump_regs },
{ "altera_tse", altera_tse_dump_regs },
+ { "vmxnet3", vmxnet3_dump_regs },
#endif
};
diff --git a/internal.h b/internal.h
index 262a39f..444810d 100644
--- a/internal.h
+++ b/internal.h
@@ -248,6 +248,9 @@ int et131x_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
int altera_tse_dump_regs(struct ethtool_drvinfo *info,
struct ethtool_regs *regs);
+/* VMware vmxnet3 ethernet controller */
+int vmxnet3_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs);
+
/* Rx flow classification */
int rxclass_parse_ruleopts(struct cmd_context *ctx,
struct ethtool_rx_flow_spec *fsp);
diff --git a/vmxnet3.c b/vmxnet3.c
new file mode 100644
index 0000000..621d02f
--- /dev/null
+++ b/vmxnet3.c
@@ -0,0 +1,198 @@
+/* Copyright (c) 2015 VMware Inc.*/
+#include <stdio.h>
+#include "internal.h"
+
+int
+vmxnet3_dump_regs(struct ethtool_drvinfo *info, struct ethtool_regs *regs)
+{
+ u32 *regs_buff = (u32 *)regs->data;
+ u32 version = regs->version;
+ int i = 0, j = 0, cnt;
+
+ if (version != 2)
+ return -1;
+
+ fprintf(stdout, "Control Registers\n");
+ fprintf(stdout, "=================\n");
+
+ fprintf(stdout,
+ " VRRS (Vmxnet3 Revision Report and Selection) 0x%x\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " UVRS (UPT Version Report and Selection) 0x%x\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " DSA (Driver Shared Address) 0x%08x%08x\n",
+ regs_buff[j+1], regs_buff[j]);
+ j += 2;
+ fprintf(stdout,
+ " CMD (Command Register) 0x%x\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " MAC (Media Access Control address) %02x:%02x:%02x:%02x:%02x:%02x\n",
+ regs_buff[j] & 0xff,
+ (regs_buff[j] >> 8) & 0xff,
+ (regs_buff[j] >> 16) & 0xff,
+ (regs_buff[j] >> 24) & 0xff,
+ regs_buff[j + 1] & 0xff,
+ (regs_buff[j + 1] >> 8) & 0xff);
+ j += 2;
+ fprintf(stdout,
+ " ICR (Interrupt Cause Register) 0x%x\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " ECR (Event Cause Register) 0x%x\n",
+ regs_buff[j++]);
+
+ fprintf(stdout, "Datapath Registers\n");
+ fprintf(stdout, "==================\n");
+
+ /* Interrupt Mask Registers */
+ cnt = regs_buff[j++];
+ for (i = 0; i < cnt; i++) {
+ fprintf(stdout,
+ " IMR (Interrupt Mask Register) %d 0x%x\n",
+ i, regs_buff[j++]);
+ }
+
+ /* Transmit Queue Registers */
+ cnt = regs_buff[j++];
+ for (i = 0; i < cnt; i++) {
+ fprintf(stdout, " Transmit Queue %d\n", i);
+ fprintf(stdout, " ----------------\n");
+ fprintf(stdout,
+ " TXPROD (Transmit Ring Producer Register) 0x%x\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " Transmit Ring\n");
+ fprintf(stdout,
+ " Base Address 0x%08x%08x\n",
+ regs_buff[j+1], regs_buff[j]);
+ j += 2;
+ fprintf(stdout,
+ " Size %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " next2fill %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " next2comp %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " gen %u\n",
+ regs_buff[j++]);
+
+ fprintf(stdout,
+ " Transmit Data Ring\n");
+ fprintf(stdout,
+ " Base Address 0x%08x%08x\n",
+ regs_buff[j+1], regs_buff[j]);
+ j += 2;
+ fprintf(stdout,
+ " Size %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " Buffer Size %u\n",
+ regs_buff[j++]);
+
+ fprintf(stdout,
+ " Transmit Completion Ring\n");
+ fprintf(stdout,
+ " Base Address 0x%08x%08x\n",
+ regs_buff[j+1], regs_buff[j]);
+ j += 2;
+ fprintf(stdout,
+ " size %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " next2proc %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " gen %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " stopped %u\n",
+ regs_buff[j++]);
+ }
+
+ /* Receive Queue Registers */
+ cnt = regs_buff[j++];
+ for (i = 0; i < cnt; i++) {
+ fprintf(stdout, " Receive Queue %d\n", i);
+ fprintf(stdout, " ----------------\n");
+ fprintf(stdout,
+ " RXPROD1 (Receive Ring Producer Register) 1 0x%x\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " RXPROD2 (Receive Ring Producer Register) 2 0x%x\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " Receive Ring 0\n");
+ fprintf(stdout,
+ " Base Address 0x%08x%08x\n",
+ regs_buff[j+1], regs_buff[j]);
+ j += 2;
+ fprintf(stdout,
+ " Size %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " next2fill %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " next2comp %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " gen %u\n",
+ regs_buff[j++]);
+
+ fprintf(stdout,
+ " Receive Ring 1\n");
+ fprintf(stdout,
+ " Base Address 0x%08x%08x\n",
+ regs_buff[j+1], regs_buff[j]);
+ j += 2;
+ fprintf(stdout,
+ " Size %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " next2fill %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " next2comp %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " gen %u\n",
+ regs_buff[j++]);
+
+ fprintf(stdout,
+ " Receive Data Ring\n");
+ fprintf(stdout,
+ " Base Address 0x%08x%08x\n",
+ regs_buff[j+1], regs_buff[j]);
+ j += 2;
+ fprintf(stdout,
+ " Size %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " Buffer Size %u\n",
+ regs_buff[j++]);
+
+ fprintf(stdout,
+ " Receive Completion Ring\n");
+ fprintf(stdout,
+ " Base Address 0x%08x%08x\n",
+ regs_buff[j+1], regs_buff[j]);
+ j += 2;
+ fprintf(stdout,
+ " size %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " next2proc %u\n",
+ regs_buff[j++]);
+ fprintf(stdout,
+ " gen %u\n",
+ regs_buff[j++]);
+ }
+
+ return 0;
+}
--
1.8.5.6
--
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