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Date: Sun, 1 Apr 2012 17:23:28 +0200
From: Richard Cochran <richardcochran@...il.com>
To: <netdev@...r.kernel.org>
Cc: David Miller <davem@...emloft.net>,
Ben Hutchings <bhutchings@...arflare.com>,
Martin Porter <mporter@...arflare.com>,
Jacob Keller <jacob.e.keller@...el.com>,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
John Ronciak <john.ronciak@...el.com>,
e1000-devel@...ts.sourceforge.net
Subject: [PATCH ethtool] Add the command to show the time stamping capabilities.
Signed-off-by: Richard Cochran <richardcochran@...il.com>
---
ethtool-copy.h | 19 ++++++++++
ethtool.c | 104 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 123 insertions(+), 0 deletions(-)
diff --git a/ethtool-copy.h b/ethtool-copy.h
index d904c1a..dd93cc5 100644
--- a/ethtool-copy.h
+++ b/ethtool-copy.h
@@ -680,6 +680,24 @@ struct ethtool_sfeatures {
struct ethtool_set_features_block features[0];
};
+/**
+ * struct ethtool_ts_info - holds a device's timestamping and PHC association
+ * @cmd: command number = %ETHTOOL_GET_TS_INFO
+ * @so_timestamping: bit mask of SO_TIMESTAMPING modes supported by the device
+ * @phc_index: device index of the associated PHC, or -1 if there is none
+ * @tx_types: bit mask of hwtstamp_tx_types modes supported by the device
+ * @rx_filters: bit mask of hwtstamp_rx_filters modes supported by the device
+ */
+struct ethtool_ts_info {
+ __u32 cmd;
+ __u32 so_timestamping;
+ __s32 phc_index;
+ __u32 tx_types;
+ __u32 tx_reserved[3];
+ __u32 rx_filters;
+ __u32 rx_reserved[3];
+};
+
/*
* %ETHTOOL_SFEATURES changes features present in features[].valid to the
* values of corresponding bits in features[].requested. Bits in .requested
@@ -786,6 +804,7 @@ enum ethtool_sfeatures_retval_bits {
#define ETHTOOL_SET_DUMP 0x0000003e /* Set dump settings */
#define ETHTOOL_GET_DUMP_FLAG 0x0000003f /* Get dump settings */
#define ETHTOOL_GET_DUMP_DATA 0x00000040 /* Get dump data */
+#define ETHTOOL_GET_TS_INFO 0x00000041 /* Get time stamping and PHC info */
/* compatibility with older code */
#define SPARC_ETH_GSET ETHTOOL_GSET
diff --git a/ethtool.c b/ethtool.c
index e80b38b..bef8aa7 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -38,6 +38,7 @@
#include <netinet/in.h>
#include <arpa/inet.h>
+#include <linux/net_tstamp.h>
#include <linux/sockios.h>
#ifndef MAX_ADDR_LEN
@@ -1115,6 +1116,91 @@ static int dump_rxfhash(int fhash, u64 val)
return 0;
}
+static int dump_tsinfo(const struct ethtool_ts_info *info)
+{
+ if (info->so_timestamping & SOF_TIMESTAMPING_TX_HARDWARE)
+ fprintf(stdout, "SOF_TIMESTAMPING_TX_HARDWARE\n");
+
+ if (info->so_timestamping & SOF_TIMESTAMPING_TX_SOFTWARE)
+ fprintf(stdout, "SOF_TIMESTAMPING_TX_SOFTWARE\n");
+
+ if (info->so_timestamping & SOF_TIMESTAMPING_RX_HARDWARE)
+ fprintf(stdout, "SOF_TIMESTAMPING_RX_HARDWARE\n");
+
+ if (info->so_timestamping & SOF_TIMESTAMPING_RX_SOFTWARE)
+ fprintf(stdout, "SOF_TIMESTAMPING_RX_SOFTWARE\n");
+
+ if (info->so_timestamping & SOF_TIMESTAMPING_SOFTWARE)
+ fprintf(stdout, "SOF_TIMESTAMPING_SOFTWARE\n");
+
+ if (info->so_timestamping & SOF_TIMESTAMPING_SYS_HARDWARE)
+ fprintf(stdout, "SOF_TIMESTAMPING_SYS_HARDWARE\n");
+
+ if (info->so_timestamping & SOF_TIMESTAMPING_RAW_HARDWARE)
+ fprintf(stdout, "SOF_TIMESTAMPING_RAW_HARDWARE\n");
+
+ if (info->phc_index < 0)
+ fprintf(stdout, "No PTP Hardware Clock\n");
+ else
+ fprintf(stdout, "PTP Hardware Clock %d\n", info->phc_index);
+
+ if (info->tx_types & (1 << HWTSTAMP_TX_OFF))
+ fprintf(stdout, "HWTSTAMP_TX_OFF\n");
+
+ if (info->tx_types & (1 << HWTSTAMP_TX_ON))
+ fprintf(stdout, "HWTSTAMP_TX_ON\n");
+
+ if (info->tx_types & (1 << HWTSTAMP_TX_ONESTEP_SYNC))
+ fprintf(stdout, "HWTSTAMP_TX_ONESTEP_SYNC\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_NONE))
+ fprintf(stdout, "HWTSTAMP_FILTER_NONE\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_ALL))
+ fprintf(stdout, "HWTSTAMP_FILTER_ALL\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_SOME))
+ fprintf(stdout, "HWTSTAMP_FILTER_SOME\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT))
+ fprintf(stdout, "HWTSTAMP_FILTER_PTP_V1_L4_EVENT\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC))
+ fprintf(stdout, "HWTSTAMP_FILTER_PTP_V1_L4_SYNC\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ))
+ fprintf(stdout, "HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT))
+ fprintf(stdout, "HWTSTAMP_FILTER_PTP_V2_L4_EVENT\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC))
+ fprintf(stdout, "HWTSTAMP_FILTER_PTP_V2_L4_SYNC\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ))
+ fprintf(stdout, "HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT))
+ fprintf(stdout, "HWTSTAMP_FILTER_PTP_V2_L2_EVENT\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC))
+ fprintf(stdout, "HWTSTAMP_FILTER_PTP_V2_L2_SYNC\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ))
+ fprintf(stdout, "HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_PTP_V2_EVENT))
+ fprintf(stdout, "HWTSTAMP_FILTER_PTP_V2_EVENT\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_PTP_V2_SYNC))
+ fprintf(stdout, "HWTSTAMP_FILTER_PTP_V2_SYNC\n");
+
+ if (info->rx_filters & (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ))
+ fprintf(stdout, "HWTSTAMP_FILTER_PTP_V2_DELAY_REQ\n");
+
+ return 0;
+}
+
static struct ethtool_gstrings *
get_stringset(struct cmd_context *ctx, enum ethtool_stringset set_id,
ptrdiff_t drvinfo_offset)
@@ -3077,6 +3163,23 @@ static int do_sprivflags(struct cmd_context *ctx)
return 0;
}
+static int do_tsinfo(struct cmd_context *ctx)
+{
+ struct ethtool_ts_info info;
+
+ if (ctx->argc != 0)
+ exit_bad_args();
+
+ fprintf(stdout, "Time stamping parameters for %s:\n", ctx->devname);
+ info.cmd = ETHTOOL_GET_TS_INFO;
+ if (send_ioctl(ctx, &info)) {
+ perror("Cannot get device time stamping settings");
+ return -1;
+ }
+ dump_tsinfo(&info);
+ return 0;
+}
+
int send_ioctl(struct cmd_context *ctx, void *cmd)
{
#ifndef TEST_ETHTOOL
@@ -3206,6 +3309,7 @@ static const struct option {
" [ action %d ]\n"
" [ loc %d]] |\n"
" delete %d\n" },
+ { "-T|--timestamping", 1, do_tsinfo, "Show time stamping options" },
{ "-x|--show-rxfh-indir", 1, do_grxfhindir,
"Show Rx flow hash indirection" },
{ "-X|--set-rxfh-indir", 1, do_srxfhindir,
--
1.7.2.5
--
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