From: sthemmin@exchange.microsoft.com
To: "K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
davem@davemloft.net
Cc: netdev@vger.kernel.org, Stephen Hemminger <sthemmin@microsoft.com>
Subject: [PATCH 7/7] hv_netvsc: count multicast packets received
Date: Thu, 22 Sep 2016 16:56:35 -0700 [thread overview]
Message-ID: <1474588595-16054-8-git-send-email-sthemmin@exchange.microsoft.com> (raw)
In-Reply-To: <1474588595-16054-1-git-send-email-sthemmin@exchange.microsoft.com>
From: Stephen Hemminger <sthemmin@microsoft.com>
Useful for debugging issues with multicast and SR-IOV to keep track
of number of received multicast packets.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
---
drivers/net/hyperv/hyperv_net.h | 2 ++
drivers/net/hyperv/netvsc_drv.c | 9 ++++++++-
2 files changed, 10 insertions(+), 1 deletions(-)
diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h
index 1d49740..7130bf9 100644
--- a/drivers/net/hyperv/hyperv_net.h
+++ b/drivers/net/hyperv/hyperv_net.h
@@ -649,6 +649,8 @@ struct multi_recv_comp {
struct netvsc_stats {
u64 packets;
u64 bytes;
+ u64 broadcast;
+ u64 multicast;
struct u64_stats_sync syncp;
};
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 9375d82..52eeb2f 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -705,6 +705,11 @@ int netvsc_recv_callback(struct hv_device *device_obj,
u64_stats_update_begin(&rx_stats->syncp);
rx_stats->packets++;
rx_stats->bytes += packet->total_data_buflen;
+
+ if (skb->pkt_type == PACKET_BROADCAST)
+ ++rx_stats->broadcast;
+ else if (skb->pkt_type == PACKET_MULTICAST)
+ ++rx_stats->multicast;
u64_stats_update_end(&rx_stats->syncp);
/*
@@ -947,7 +952,7 @@ static struct rtnl_link_stats64 *netvsc_get_stats64(struct net_device *net,
cpu);
struct netvsc_stats *rx_stats = per_cpu_ptr(ndev_ctx->rx_stats,
cpu);
- u64 tx_packets, tx_bytes, rx_packets, rx_bytes;
+ u64 tx_packets, tx_bytes, rx_packets, rx_bytes, rx_multicast;
unsigned int start;
do {
@@ -960,12 +965,14 @@ static struct rtnl_link_stats64 *netvsc_get_stats64(struct net_device *net,
start = u64_stats_fetch_begin_irq(&rx_stats->syncp);
rx_packets = rx_stats->packets;
rx_bytes = rx_stats->bytes;
+ rx_multicast = rx_stats->multicast + rx_stats->broadcast;
} while (u64_stats_fetch_retry_irq(&rx_stats->syncp, start));
t->tx_bytes += tx_bytes;
t->tx_packets += tx_packets;
t->rx_bytes += rx_bytes;
t->rx_packets += rx_packets;
+ t->multicast += rx_multicast;
}
t->tx_dropped = net->stats.tx_dropped;
--
1.7.4.1
next prev parent reply other threads:[~2016-09-22 22:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-22 23:56 [PATCH net-next 0/7] hv_netvsc changes sthemmin
2016-09-22 23:56 ` [PATCH 1/7] hv_netvsc: use consume_skb sthemmin
2016-09-22 23:56 ` [PATCH 2/7] hv_netvsc: dev hold/put reference to VF sthemmin
2016-09-22 23:56 ` [PATCH 3/7] hv_netvsc: simplify callback event code sthemmin
2016-09-22 23:56 ` [PATCH 4/7] hv_netvsc: improve VF device matching sthemmin
2016-09-22 23:56 ` [PATCH 5/7] hv_netvsc: use RCU to protect vf_netdev sthemmin
2016-09-22 23:56 ` [PATCH 6/7] hv_netvsc: remove VF in flight counters sthemmin
2016-09-22 23:56 ` sthemmin [this message]
2016-09-23 12:21 ` [PATCH net-next 0/7] hv_netvsc changes David Miller
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