Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1319674
| From | Jarod Wilson <jarod@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH net 1/4] net: add rx_unhandled stat counter |
| Date | 2016-01-27 21:30 +0100 |
| Message-ID | <qVET0-FR-15@gated-at.bofh.it> (permalink) |
| References | <qTPpw-8pj-13@gated-at.bofh.it> <qVET0-FR-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
This adds an rx_unhandled stat counter, along with a sysfs statistics
node, and copies the counter out via netlink as well.
CC: "David S. Miller" <davem@davemloft.net>
CC: Eric Dumazet <edumazet@google.com>
CC: Jiri Pirko <jiri@mellanox.com>
CC: Daniel Borkmann <daniel@iogearbox.net>
CC: Tom Herbert <tom@herbertland.com>
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <gospo@cumulusnetworks.com>
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
---
include/linux/netdevice.h | 4 ++++
include/uapi/linux/if_link.h | 4 ++++
net/core/dev.c | 6 +++++-
net/core/net-sysfs.c | 2 ++
net/core/rtnetlink.c | 2 ++
5 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 289c231..7973ab5 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -180,6 +180,7 @@ struct net_device_stats {
unsigned long tx_window_errors;
unsigned long rx_compressed;
unsigned long tx_compressed;
+ unsigned long rx_unhandled;
};
@@ -1397,6 +1398,8 @@ enum netdev_priv_flags {
* do not use this in drivers
* @tx_dropped: Dropped packets by core network,
* do not use this in drivers
+ * @rx_unhandled: Unhandled dropped packets by core network on
+ * inactive devices, do not use this in drivers
*
* @wireless_handlers: List of functions to handle Wireless Extensions,
* instead of ioctl,
@@ -1611,6 +1614,7 @@ struct net_device {
atomic_long_t rx_dropped;
atomic_long_t tx_dropped;
+ atomic_long_t rx_unhandled;
#ifdef CONFIG_WIRELESS_EXT
const struct iw_handler_def * wireless_handlers;
diff --git a/include/uapi/linux/if_link.h b/include/uapi/linux/if_link.h
index a30b780..533639d 100644
--- a/include/uapi/linux/if_link.h
+++ b/include/uapi/linux/if_link.h
@@ -35,6 +35,8 @@ struct rtnl_link_stats {
/* for cslip etc */
__u32 rx_compressed;
__u32 tx_compressed;
+
+ __u32 rx_unhandled; /* dropped, no handler found */
};
/* The main device statistics structure */
@@ -68,6 +70,8 @@ struct rtnl_link_stats64 {
/* for cslip etc */
__u64 rx_compressed;
__u64 tx_compressed;
+
+ __u64 rx_unhandled; /* dropped, no handler found */
};
/* The struct should be in sync with struct ifmap */
diff --git a/net/core/dev.c b/net/core/dev.c
index 8cba3d8..7700ca6 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4154,7 +4154,10 @@ ncls:
ret = pt_prev->func(skb, skb->dev, pt_prev, orig_dev);
} else {
drop:
- atomic_long_inc(&skb->dev->rx_dropped);
+ if (!deliver_exact)
+ atomic_long_inc(&skb->dev->rx_dropped);
+ else
+ atomic_long_inc(&skb->dev->rx_unhandled);
kfree_skb(skb);
/* Jamal, now you will not able to escape explaining
* me how you were going to use this. :-)
@@ -7300,6 +7303,7 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev,
}
storage->rx_dropped += atomic_long_read(&dev->rx_dropped);
storage->tx_dropped += atomic_long_read(&dev->tx_dropped);
+ storage->rx_unhandled += atomic_long_read(&dev->rx_unhandled);
return storage;
}
EXPORT_SYMBOL(dev_get_stats);
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index b6c8a66..fd22276 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -574,6 +574,7 @@ NETSTAT_ENTRY(tx_heartbeat_errors);
NETSTAT_ENTRY(tx_window_errors);
NETSTAT_ENTRY(rx_compressed);
NETSTAT_ENTRY(tx_compressed);
+NETSTAT_ENTRY(rx_unhandled);
static struct attribute *netstat_attrs[] = {
&dev_attr_rx_packets.attr,
@@ -599,6 +600,7 @@ static struct attribute *netstat_attrs[] = {
&dev_attr_tx_window_errors.attr,
&dev_attr_rx_compressed.attr,
&dev_attr_tx_compressed.attr,
+ &dev_attr_rx_unhandled.attr,
NULL
};
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index d735e85..2e0f656 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -804,6 +804,8 @@ static void copy_rtnl_link_stats(struct rtnl_link_stats *a,
a->rx_compressed = b->rx_compressed;
a->tx_compressed = b->tx_compressed;
+
+ a->rx_unhandled = b->rx_unhandled;
}
static void copy_rtnl_link_stats64(void *v, const struct rtnl_link_stats64 *b)
--
1.8.3.1
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves Jarod Wilson <jarod@redhat.com> - 2016-01-22 20:20 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves Jay Vosburgh <jay.vosburgh@canonical.com> - 2016-01-22 22:00 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves Jiri Pirko <jiri@resnulli.us> - 2016-01-23 09:30 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves Jiri Pirko <jiri@resnulli.us> - 2016-01-23 09:10 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves Andy Gospodarek <gospo@cumulusnetworks.com> - 2016-01-23 15:30 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves Eric Dumazet <eric.dumazet@gmail.com> - 2016-01-23 16:30 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves Jarod Wilson <jarod@redhat.com> - 2016-01-26 22:20 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves Eric Dumazet <edumazet@google.com> - 2016-01-26 22:30 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves Jarod Wilson <jarod@redhat.com> - 2016-01-26 22:40 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves David Miller <davem@davemloft.net> - 2016-01-26 22:30 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves Jarod Wilson <jarod@redhat.com> - 2016-01-26 22:40 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves David Miller <davem@davemloft.net> - 2016-01-25 07:50 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves Jarod Wilson <jarod@redhat.com> - 2016-01-25 15:30 +0100
Re: [RFC PATCH net] net/core: don't increment rx_dropped on inactive slaves Jarod Wilson <jarod@redhat.com> - 2016-01-26 05:50 +0100
[PATCH net 0/4] net: add rx_unhandled stat counter Jarod Wilson <jarod@redhat.com> - 2016-01-27 21:30 +0100
[PATCH net 1/4] net: add rx_unhandled stat counter Jarod Wilson <jarod@redhat.com> - 2016-01-27 21:30 +0100
[PATCH net 2/4] net-procfs: show rx_unhandled counters Jarod Wilson <jarod@redhat.com> - 2016-01-27 21:30 +0100
[PATCH net 4/4] bond: track sum of rx_unhandled for all slaves Jarod Wilson <jarod@redhat.com> - 2016-01-27 21:30 +0100
[PATCH net 3/4] team: track sum of rx_unhandled for all slaves Jarod Wilson <jarod@redhat.com> - 2016-01-27 21:30 +0100
Re: [PATCH net 0/4] net: add rx_unhandled stat counter Eric Dumazet <eric.dumazet@gmail.com> - 2016-01-27 22:10 +0100
Re: [PATCH net 0/4] net: add rx_unhandled stat counter Jarod Wilson <jarod@redhat.com> - 2016-01-28 07:10 +0100
Re: [PATCH net 0/4] net: add rx_unhandled stat counter Jarod Wilson <jarod@redhat.com> - 2016-01-28 07:20 +0100
Re: [PATCH net 0/4] net: add rx_unhandled stat counter Eric Dumazet <eric.dumazet@gmail.com> - 2016-01-28 14:10 +0100
Re: [PATCH net 0/4] net: add rx_unhandled stat counter Jarod Wilson <jarod@redhat.com> - 2016-01-28 15:40 +0100
Re: [PATCH net 0/4] net: add rx_unhandled stat counter Eric Dumazet <eric.dumazet@gmail.com> - 2016-01-28 15:50 +0100
Re: [PATCH net 0/4] net: add rx_unhandled stat counter Eric Dumazet <eric.dumazet@gmail.com> - 2016-01-28 15:50 +0100
Re: [PATCH net 0/4] net: add rx_unhandled stat counter Jarod Wilson <jarod@redhat.com> - 2016-01-28 16:20 +0100
Re: [PATCH net 0/4] net: add rx_unhandled stat counter Eric Dumazet <eric.dumazet@gmail.com> - 2016-01-28 15:50 +0100
Re: [PATCH net 0/4] net: add rx_unhandled stat counter Jarod Wilson <jarod@redhat.com> - 2016-01-28 07:20 +0100
Re: [PATCH net 0/4] net: add rx_unhandled stat counter Eric Dumazet <eric.dumazet@gmail.com> - 2016-01-28 14:10 +0100
[PATCH net v2 2/4] net: add rx_nohandler stat counter Jarod Wilson <jarod@redhat.com> - 2016-01-28 17:00 +0100
[PATCH net v2 3/4] team: track sum of rx_nohandler for all slaves Jarod Wilson <jarod@redhat.com> - 2016-01-28 17:00 +0100
[PATCH net v2 1/4] net/core: relax BUILD_BUG_ON in netdev_stats_to_stats64 Jarod Wilson <jarod@redhat.com> - 2016-01-28 17:00 +0100
[PATCH net v2 4/4] bond: track sum of rx_nohandler for all slaves Jarod Wilson <jarod@redhat.com> - 2016-01-28 17:00 +0100
[PATCH net v2 0/4] net: add and use rx_nohandler stat counter Jarod Wilson <jarod@redhat.com> - 2016-01-28 17:00 +0100
Re: [PATCH net v2 0/4] net: add and use rx_nohandler stat counter David Miller <davem@davemloft.net> - 2016-01-30 04:40 +0100
Re: [PATCH net v2 0/4] net: add and use rx_nohandler stat counter Jarod Wilson <jarod@redhat.com> - 2016-01-30 19:20 +0100
[PATCH net v2 1/4] net/core: relax BUILD_BUG_ON in netdev_stats_to_stats64 Jarod Wilson <jarod@redhat.com> - 2016-01-30 19:20 +0100
Re: [PATCH net v2 1/4] net/core: relax BUILD_BUG_ON in netdev_stats_to_stats64 Eric Dumazet <eric.dumazet@gmail.com> - 2016-01-30 19:40 +0100
Re: [PATCH net v2 1/4] net/core: relax BUILD_BUG_ON in netdev_stats_to_stats64 Jarod Wilson <jarod@redhat.com> - 2016-01-30 21:40 +0100
Re: [PATCH net v2 1/4] net/core: relax BUILD_BUG_ON in netdev_stats_to_stats64 Jarod Wilson <jarod@redhat.com> - 2016-01-30 22:00 +0100
Re: [PATCH net v2 1/4] net/core: relax BUILD_BUG_ON in netdev_stats_to_stats64 David Miller <davem@davemloft.net> - 2016-01-31 00:30 +0100
Re: [PATCH net v2 1/4] net/core: relax BUILD_BUG_ON in netdev_stats_to_stats64 Jarod Wilson <jarod@redhat.com> - 2016-01-31 19:10 +0100
[PATCH net v3 4/4] bond: track sum of rx_nohandler for all slaves Jarod Wilson <jarod@redhat.com> - 2016-02-02 01:00 +0100
[PATCH net v3 0/4] net: add and use rx_nohandler stat counter Jarod Wilson <jarod@redhat.com> - 2016-02-02 01:00 +0100
[PATCH net v3 1/4] net/core: relax BUILD_BUG_ON in netdev_stats_to_stats64 Jarod Wilson <jarod@redhat.com> - 2016-02-02 01:00 +0100
[PATCH net v3 2/4] net: add rx_nohandler stat counter Jarod Wilson <jarod@redhat.com> - 2016-02-02 01:00 +0100
Re: [PATCH net v3 2/4] net: add rx_nohandler stat counter Stephen Hemminger <stephen@networkplumber.org> - 2016-02-07 20:40 +0100
Re: [PATCH net v3 2/4] net: add rx_nohandler stat counter David Miller <davem@davemloft.net> - 2016-02-07 20:50 +0100
Re: [PATCH net v3 2/4] net: add rx_nohandler stat counter Eric Dumazet <eric.dumazet@gmail.com> - 2016-02-07 21:20 +0100
Re: [PATCH net v3 2/4] net: add rx_nohandler stat counter Jarod Wilson <jarod@redhat.com> - 2016-02-08 19:40 +0100
Re: [PATCH net v3 2/4] net: add rx_nohandler stat counter Stephen Hemminger <stephen@networkplumber.org> - 2016-02-08 20:40 +0100
Re: [PATCH net v3 2/4] net: add rx_nohandler stat counter Eric Dumazet <eric.dumazet@gmail.com> - 2016-02-09 00:00 +0100
Re: [PATCH net v3 2/4] net: add rx_nohandler stat counter David Miller <davem@davemloft.net> - 2016-02-09 09:50 +0100
[PATCH net v3 3/4] team: track sum of rx_nohandler for all slaves Jarod Wilson <jarod@redhat.com> - 2016-02-02 01:00 +0100
Re: [PATCH net v3 0/4] net: add and use rx_nohandler stat counter David Miller <davem@davemloft.net> - 2016-02-06 09:10 +0100
[PATCH net v3 1/4] net/core: relax BUILD_BUG_ON in netdev_stats_to_stats64 Jarod Wilson <jarod@redhat.com> - 2016-01-28 17:30 +0100
csiph-web