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Date: Tue, 16 Jun 2015 12:13:16 +0300
From: Or Gerlitz <ogerlitz@...lanox.com>
To: Stephen Hemminger <stephen@...workplumber.org>
Cc: netdev@...r.kernel.org, Eran Ben Elisha <eranbe@...lanox.com>,
Hadar Hen Zion <hadarh@...lanox.com>,
Or Gerlitz <ogerlitz@...lanox.com>
Subject: [PATCH iproute2] Add displaying VF traffic statistics
From: Eran Ben Elisha <eranbe@...lanox.com>
Enable reading and displaying SRIOV VFs traffic statistics through
the host PF netdevice using the nested IFLA_VF_STATS attribute.
Signed-off-by: Eran Ben Elisha <eranbe@...lanox.com>
Signed-off-by: Hadar Hen Zion <hadarh@...lanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@...lanox.com>
---
include/linux/if_link.h | 13 +++++++++++++
ip/ipaddress.c | 34 ++++++++++++++++++++++++++++++++++
2 files changed, 47 insertions(+), 0 deletions(-)
diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index 3d0d613..772debf 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -466,6 +466,7 @@ enum {
IFLA_VF_RSS_QUERY_EN, /* RSS Redirection Table and Hash Key query
* on/off switch
*/
+ IFLA_VF_STATS, /* network device statistics */
__IFLA_VF_MAX,
};
@@ -515,6 +516,18 @@ struct ifla_vf_rss_query_en {
__u32 setting;
};
+enum {
+ IFLA_VF_STATS_RX_PACKETS,
+ IFLA_VF_STATS_TX_PACKETS,
+ IFLA_VF_STATS_RX_BYTES,
+ IFLA_VF_STATS_TX_BYTES,
+ IFLA_VF_STATS_BROADCAST,
+ IFLA_VF_STATS_MULTICAST,
+ __IFLA_VF_STATS_MAX,
+};
+
+#define IFLA_VF_STATS_MAX (__IFLA_VF_STATS_MAX - 1)
+
/* VF ports management section
*
* Nested layout of set/get msg is:
diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index 340e1c9..5bbb59e 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -287,6 +287,8 @@ static void print_af_spec(FILE *fp, struct rtattr *af_spec_attr)
}
}
+static void print_vf_stats64(FILE *fp, struct rtattr *vfstats);
+
static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
{
struct ifla_vf_mac *vf_mac;
@@ -367,6 +369,8 @@ static void print_vfinfo(FILE *fp, struct rtattr *vfinfo)
else
fprintf(fp, ", link-state disable");
}
+ if (vf[IFLA_VF_STATS] && show_stats)
+ print_vf_stats64(fp, vf[IFLA_VF_STATS]);
}
static void print_num(FILE *fp, unsigned width, uint64_t count)
@@ -408,6 +412,36 @@ static void print_num(FILE *fp, unsigned width, uint64_t count)
fprintf(fp, "%-*s ", width, buf);
}
+static void print_vf_stats64(FILE *fp, struct rtattr *vfstats)
+{
+ struct rtattr *vf[IFLA_VF_STATS_MAX + 1] = {};
+
+ if (vfstats->rta_type != IFLA_VF_STATS) {
+ fprintf(stderr, "BUG: rta type is %d\n", vfstats->rta_type);
+ return;
+ }
+
+ parse_rtattr_nested(vf, IFLA_VF_MAX, vfstats);
+
+ /* RX stats */
+ fprintf(fp, "%s", _SL_);
+ fprintf(fp, " RX: bytes packets mcast bcast %s", _SL_);
+ fprintf(fp, " ");
+
+ print_num(fp, 10, *(__u64 *)RTA_DATA(vf[IFLA_VF_STATS_RX_BYTES]));
+ print_num(fp, 8, *(__u64 *)RTA_DATA(vf[IFLA_VF_STATS_RX_PACKETS]));
+ print_num(fp, 7, *(__u64 *)RTA_DATA(vf[IFLA_VF_STATS_MULTICAST]));
+ print_num(fp, 7, *(__u64 *)RTA_DATA(vf[IFLA_VF_STATS_BROADCAST]));
+
+ /* TX stats */
+ fprintf(fp, "%s", _SL_);
+ fprintf(fp, " TX: bytes packets %s", _SL_);
+ fprintf(fp, " ");
+
+ print_num(fp, 10, *(__u64 *)RTA_DATA(vf[IFLA_VF_STATS_TX_BYTES]));
+ print_num(fp, 8, *(__u64 *)RTA_DATA(vf[IFLA_VF_STATS_TX_PACKETS]));
+}
+
static void print_link_stats64(FILE *fp, const struct rtnl_link_stats64 *s,
const struct rtattr *carrier_changes)
{
--
1.7.1
--
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