netdev - [PATCH iproute2-next] ip: Add violation counters to VF statisctics

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Date:   Sun, 22 Jul 2018 13:31:12 +0300
From:   Eran Ben Elisha <eranbe@...lanox.com>
To:     David Ahern <dsahern@...il.com>,
        Stephen Hemminger <stephen@...workplumber.org>
Cc:     netdev@...r.kernel.org, Eran Ben Elisha <eranbe@...lanox.com>
Subject: [PATCH iproute2-next] ip: Add violation counters to VF statisctics

Extend VFs statistics by receive and transmit violation counters.

Example: "ip -s link show dev enp5s0f0"

6: enp5s0f0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
    link/ether 24:8a:07:a5:28:f0 brd ff:ff:ff:ff:ff:ff
    RX: bytes  packets  errors  dropped overrun mcast
    0          0        0       0       0       2
    TX: bytes  packets  errors  dropped carrier collsns
    1406       17       0       0       0       0
    vf 0 MAC 00:00:ca:fe:ca:fe, vlan 5, spoof checking off, link-state auto, trust off, query_rss off
    RX: bytes  packets  mcast   bcast   dropped
    1666       29       14         32      0
    TX: bytes  packets   dropped
    2880       44       2412

Signed-off-by: Eran Ben Elisha <eranbe@...lanox.com>
---
 ip/ipaddress.c | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index 5009bfe6d2e3..ddb8bf876e10 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -562,6 +562,9 @@ static void print_vf_stats64(FILE *fp, struct rtattr *vfstats)
 			   rta_getattr_u64(vf[IFLA_VF_STATS_MULTICAST]));
 		print_u64(PRINT_JSON, "broadcast", NULL,
 			   rta_getattr_u64(vf[IFLA_VF_STATS_BROADCAST]));
+		if (vf[IFLA_VF_STATS_RX_DROPPED])
+			print_u64(PRINT_JSON, "dropped", NULL,
+				  rta_getattr_u64(vf[IFLA_VF_STATS_RX_DROPPED]));
 		close_json_object();
 
 		/* TX stats */
@@ -570,26 +573,39 @@ static void print_vf_stats64(FILE *fp, struct rtattr *vfstats)
 			   rta_getattr_u64(vf[IFLA_VF_STATS_TX_BYTES]));
 		print_u64(PRINT_JSON, "tx_packets", NULL,
 			   rta_getattr_u64(vf[IFLA_VF_STATS_TX_PACKETS]));
+		if (vf[IFLA_VF_STATS_TX_DROPPED])
+			print_u64(PRINT_JSON, "dropped", NULL,
+				  rta_getattr_u64(vf[IFLA_VF_STATS_TX_DROPPED]));
 		close_json_object();
 		close_json_object();
 	} else {
 		/* RX stats */
 		fprintf(fp, "%s", _SL_);
-		fprintf(fp, "    RX: bytes  packets  mcast   bcast %s", _SL_);
+		fprintf(fp, "    RX: bytes  packets  mcast   bcast ");
+		if (vf[IFLA_VF_STATS_RX_DROPPED])
+			fprintf(fp, "  dropped ");
+		fprintf(fp, "%s", _SL_);
 		fprintf(fp, "    ");
 
 		print_num(fp, 10, rta_getattr_u64(vf[IFLA_VF_STATS_RX_BYTES]));
 		print_num(fp, 8, rta_getattr_u64(vf[IFLA_VF_STATS_RX_PACKETS]));
 		print_num(fp, 7, rta_getattr_u64(vf[IFLA_VF_STATS_MULTICAST]));
 		print_num(fp, 7, rta_getattr_u64(vf[IFLA_VF_STATS_BROADCAST]));
+		if (vf[IFLA_VF_STATS_RX_DROPPED])
+			print_num(fp, 8, rta_getattr_u64(vf[IFLA_VF_STATS_RX_DROPPED]));
 
 		/* TX stats */
 		fprintf(fp, "%s", _SL_);
-		fprintf(fp, "    TX: bytes  packets %s", _SL_);
+		fprintf(fp, "    TX: bytes  packets ");
+		if (vf[IFLA_VF_STATS_TX_DROPPED])
+			fprintf(fp, "  dropped ");
+		fprintf(fp, "%s", _SL_);
 		fprintf(fp, "    ");
 
 		print_num(fp, 10, rta_getattr_u64(vf[IFLA_VF_STATS_TX_BYTES]));
 		print_num(fp, 8, rta_getattr_u64(vf[IFLA_VF_STATS_TX_PACKETS]));
+		if (vf[IFLA_VF_STATS_TX_DROPPED])
+			print_num(fp, 8, rta_getattr_u64(vf[IFLA_VF_STATS_TX_DROPPED]));
 	}
 }
 
-- 
1.8.3.1