net/core: Add reading VF statistics through the PF netdevice

Add ndo_get_vf_stats where the PF retrieves and fills the VFs traffic
statistics. We encode the VF stats in a nested manner to allow for
future extensions.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/if_link.h b/include/linux/if_link.h
index da49299..ae5d0d2 100644 (file)
--- a/include/linux/if_link.h
+++ b/include/linux/if_link.h
@@ -5,6 +5,15 @@
 
 
 /* We don't want this structure exposed to user space */
+struct ifla_vf_stats {
+       __u64 rx_packets;
+       __u64 tx_packets;
+       __u64 rx_bytes;
+       __u64 tx_bytes;
+       __u64 broadcast;
+       __u64 multicast;
+};
+
 struct ifla_vf_info {
        __u32 vf;
        __u8 mac[32];

diff --cc include/linux/netdevice.h
Simple merge

diff --cc include/uapi/linux/if_link.h
Simple merge

diff --cc net/core/rtnetlink.c
Simple merge