[PATCH net-next 3/4] net/core: Add violation counters to VF statisctics

[Saeed Mahameed]

From: Eugenia Emantayev <euge...@mellanox.com>

Add receive and transmit violation counters to be
displayed in iproute2 VF statistics.

Signed-off-by: Eugenia Emantayev <euge...@mellanox.com>
Signed-off-by: Saeed Mahameed <sae...@mellanox.com>
---
 include/linux/if_link.h      |  2 ++
 include/uapi/linux/if_link.h |  2 ++
 net/core/rtnetlink.c         | 10 +++++++++-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index da70af27e42e..ebf3448acb5b 100644
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -12,6 +12,8 @@ struct ifla_vf_stats {
        __u64 tx_bytes;
        __u64 broadcast;
        __u64 multicast;
+       __u64 rx_dropped;
+       __u64 tx_dropped;
 };
 
 struct ifla_vf_info {
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index 3aa895c5fbc1..68cd31b281a1 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -743,6 +743,8 @@ enum {
        IFLA_VF_STATS_BROADCAST,
        IFLA_VF_STATS_MULTICAST,
        IFLA_VF_STATS_PAD,
+       IFLA_VF_STATS_RX_DROPPED,
+       IFLA_VF_STATS_TX_DROPPED,
        __IFLA_VF_STATS_MAX,
 };
 
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 56909f11d88e..1a653bb00d6e 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -845,6 +845,10 @@ static inline int rtnl_vfinfo_size(const struct net_device 
*dev,
                         nla_total_size_64bit(sizeof(__u64)) +
                         /* IFLA_VF_STATS_MULTICAST */
                         nla_total_size_64bit(sizeof(__u64)) +
+                        /* IFLA_VF_STATS_RX_DROPPED */
+                        nla_total_size_64bit(sizeof(__u64)) +
+                        /* IFLA_VF_STATS_TX_DROPPED */
+                        nla_total_size_64bit(sizeof(__u64)) +
                         nla_total_size(sizeof(struct ifla_vf_trust)));
                return size;
        } else
@@ -1214,7 +1218,11 @@ static noinline_for_stack int rtnl_fill_vfinfo(struct 
sk_buff *skb,
            nla_put_u64_64bit(skb, IFLA_VF_STATS_BROADCAST,
                              vf_stats.broadcast, IFLA_VF_STATS_PAD) ||
            nla_put_u64_64bit(skb, IFLA_VF_STATS_MULTICAST,
-                             vf_stats.multicast, IFLA_VF_STATS_PAD)) {
+                             vf_stats.multicast, IFLA_VF_STATS_PAD) ||
+           nla_put_u64_64bit(skb, IFLA_VF_STATS_RX_DROPPED,
+                             vf_stats.rx_dropped, IFLA_VF_STATS_PAD) ||
+           nla_put_u64_64bit(skb, IFLA_VF_STATS_TX_DROPPED,
+                             vf_stats.tx_dropped, IFLA_VF_STATS_PAD)) {
                nla_nest_cancel(skb, vfstats);
                goto nla_put_vf_failure;
        }
-- 
2.13.0