netdev - Re: [Patch 5/5] Network Drop Monitor: Adding Build changes to enable drop monitor

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Date:	Wed, 11 Mar 2009 15:53:16 -0400
From:	Neil Horman <nhorman@...driver.com>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, kuznet@....inr.ac.ru, pekkas@...core.fi,
	jmorris@...ei.org, yoshfuji@...ux-ipv6.org, kaber@...sh.net
Subject: Re: [Patch 5/5] Network Drop Monitor: Adding Build changes to
	enable drop monitor

On Tue, Mar 03, 2009 at 12:05:57PM -0500, Neil Horman wrote:
> 
> 

As requested, respin to latest net-next tree


Modification notes:
None, simple respin

Neil


Network Drop Monitor: Adding Build changes to enable drop monitor

Signed-off-by: Neil Horman <nhorman@...driver.com>


 include/linux/Kbuild |    1 +
 net/Kconfig          |   11 +++++++++++
 net/core/Makefile    |    1 +
 3 files changed, 13 insertions(+)


diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 106c3ba..e9581fd 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -115,6 +115,7 @@ header-y += mqueue.h
 header-y += mtio.h
 header-y += ncp_no.h
 header-y += neighbour.h
+header-y += net_dropmon.h
 header-y += netfilter_arp.h
 header-y += netrom.h
 header-y += nfs2.h
diff --git a/net/Kconfig b/net/Kconfig
index 6b39ede..5301174 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -222,6 +222,17 @@ config NET_TCPPROBE
 	To compile this code as a module, choose M here: the
 	module will be called tcp_probe.
 
+config NET_DROP_MONITOR
+	boolean "Network packet drop alerting service"
+	depends on INET && EXPERIMENTAL && TRACEPOINTS
+	---help---
+	This feature provides an alerting service to userspace in the 
+	event that packets are discarded in the network stack.  Alerts
+	are broadcast via netlink socket to any listening user space 
+	process.  If you don't need network drop alerts, or if you are ok
+	just checking the various proc files and other utilities for
+	drop statistics, say N here.
+
 endmenu
 
 endmenu
diff --git a/net/core/Makefile b/net/core/Makefile
index d47092b..796f46e 100644
--- a/net/core/Makefile
+++ b/net/core/Makefile
@@ -18,4 +18,5 @@ obj-$(CONFIG_NETPOLL) += netpoll.o
 obj-$(CONFIG_NET_DMA) += user_dma.o
 obj-$(CONFIG_FIB_RULES) += fib_rules.o
 obj-$(CONFIG_TRACEPOINTS) += net-traces.o
+obj-$(CONFIG_NET_DROP_MONITOR) += drop_monitor.o
 
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