This adds support for printing statistics from the network devices PHY.
Signed-off-by: Andrew Lunn <and...@lunn.ch>
---
ethtool.8.in | 6 ++++++
ethtool.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 66 insertions(+)
diff --git a/ethtool.8.in b/ethtool.8.in
index eeffa70..2316556 100644
--- a/ethtool.8.in
+++ b/ethtool.8.in
@@ -220,6 +220,9 @@ ethtool \- query or control network driver and hardware
settings
.B ethtool \-S|\-\-statistics
.I devname
.HP
+.B ethtool \-I|\-\-phy-statistics
+.I devname
+.HP
.B ethtool \-t|\-\-test
.I devname
.RI [\*(SD]
@@ -492,6 +495,9 @@ auto-negotiation is enabled.
Queries the specified network device for NIC- and driver-specific
statistics.
.TP
+.B \-I \-\-phy\-statistics
+Queries the specified network device for PHY specific statistics.
+.TP
.B \-t \-\-test
Executes adapter selftest on the specified network device. Possible test modes
are:
.TP
diff --git a/ethtool.c b/ethtool.c
index 92c40b8..480c14c 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -2995,6 +2995,64 @@ static int do_gstats(struct cmd_context *ctx)
return 0;
}
+static int do_gphystats(struct cmd_context *ctx)
+{
+ struct ethtool_gstrings *strings;
+ struct ethtool_stats *stats;
+ unsigned int n_stats, sz_stats, i;
+ int err;
+
+ if (ctx->argc != 0)
+ exit_bad_args();
+
+ strings = get_stringset(ctx, ETH_SS_PHY_STATS,
+ offsetof(struct ethtool_drvinfo, n_stats),
+ 0);
+ if (!strings) {
+ perror("Cannot get stats strings information");
+ return 96;
+ }
+
+ n_stats = strings->len;
+ if (n_stats < 1) {
+ fprintf(stderr, "no stats available\n");
+ free(strings);
+ return 94;
+ }
+
+ sz_stats = n_stats * sizeof(u64);
+
+ stats = calloc(1, sz_stats + sizeof(struct ethtool_stats));
+ if (!stats) {
+ fprintf(stderr, "no memory available\n");
+ free(strings);
+ return 95;
+ }
+
+ stats->cmd = ETHTOOL_GPHYSTATS;
+ stats->n_stats = n_stats;
+ err = send_ioctl(ctx, stats);
+ if (err < 0) {
+ perror("Cannot get stats information");
+ free(strings);
+ free(stats);
+ return 97;
+ }
+
+ /* todo - pretty-print the strings per-driver */
+ fprintf(stdout, "PHY statistics:\n");
+ for (i = 0; i < n_stats; i++) {
+ fprintf(stdout, " %.*s: %llu\n",
+ ETH_GSTRING_LEN,
+ &strings->data[i * ETH_GSTRING_LEN],
+ stats->data[i]);
+ }
+ free(strings);
+ free(stats);
+
+ return 0;
+}
+
static int do_srxntuple(struct cmd_context *ctx,
struct ethtool_rx_flow_spec *rx_rule_fs);
@@ -4078,6 +4136,8 @@ static const struct option {
{ "-t|--test", 1, do_test, "Execute adapter self test",
" [ online | offline | external_lb ]\n" },
{ "-S|--statistics", 1, do_gstats, "Show adapter statistics" },
+ { "-I|--phy-statistics", 1, do_gphystats,
+ "Show phy statistics" },
{ "-n|-u|--show-nfc|--show-ntuple", 1, do_grxclass,
"Show Rx network flow classification options or rules",
" [ rx-flow-hash tcp4|udp4|ah4|esp4|sctp4|"
--
2.1.4
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