linux/include
Eric Dumazet b5f7e75547 ipv4: add LINUX_MIB_IPRPFILTER snmp counter
Christoph Lameter mentioned that packets could be dropped in input path
because of rp_filter settings, without any SNMP counter being
incremented. System administrator can have a hard time to track the
problem.

This patch introduces a new counter, LINUX_MIB_IPRPFILTER, incremented
each time we drop a packet because Reverse Path Filter triggers.

(We receive an IPv4 datagram on a given interface, and find the route to
send an answer would use another interface)

netstat -s | grep IPReversePathFilter
    IPReversePathFilter: 21714

Reported-by: Christoph Lameter <cl@linux-foundation.org>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-03 03:18:19 -07:00
..
acpi Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2010-05-28 14:42:18 -07:00
asm-generic
crypto
drm
keys
linux ipv4: add LINUX_MIB_IPRPFILTER snmp counter 2010-06-03 03:18:19 -07:00
math-emu
media
mtd
net ipv6: Refactor update of IPv6 flowi destination address for srcrt (RH) option 2010-06-02 07:08:31 -07:00
pcmcia
rdma
rxrpc
scsi
sound
trace drop unused dentry argument to ->fsync 2010-05-27 22:05:02 -04:00
video
xen
Kbuild