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Poll-loop is the core to implement main loop. It should be available in
libopenvswitch.
Signed-off-by: Xiao Liang <shaw.leon@gmail.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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With the command:
ovs-appctl dpctl/ct-bkts
shows the number of connections per bucket.
By using a threshold:
ovs-appctl dpctl/ct-bkts gt=N
for each bucket shows the number of connections when they
are greater than N.
Signed-off-by: Antonio Fischetti <antonio.fischetti@intel.com>
Signed-off-by: Bhanuprakash Bodireddy <bhanuprakash.bodireddy@intel.com>
Co-authored-by: Bhanuprakash Bodireddy <bhanuprakash.bodireddy@intel.com>
Signed-off-by: Darrell Ball <dlu998@gmail.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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ovs-dpctl and ovs-ofctl lack a read-only option to prevent
running of commands that perform read-write operations. Add
it and the necessary scaffolding to each.
Signed-off-by: Ryan Moats <rmoats@us.ibm.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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On some systems I get a sparse warning when compiling
tests/test-netlink-conntrack.c
/usr/include/x86_64-linux-gnu/sys/cdefs.h:307:10: warning: preprocessor
token __always_inline redefined
/usr/include/linux/stddef.h:4:9: this was the original definition
The problem seems to be that Linux upstream commit
283d75737837("uapi/linux/stddef.h: Provide __always_inline to userspace
headers") introduced __always_inline in stddef.h, but glibc headers
didn't like that until e0835a5354ab("Bug 20215: Always undefine
__always_inline before defining it.").
This commit works around the issue by including a glibc header before a
kernel header.
Fixes: 2c06d9a927c5("ovstest: Add test-netlink-conntrack command.")
Reported-by: Joe Stringer <joe@ovn.org>
Signed-off-by: Daniele Di Proietto <diproiettod@vmware.com>
Acked-by: Joe Stringer <joe@ovn.org>
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A netlink notifier ('nln') already supports multiple notifiers. This
patch allows each of these notifiers to subscribe to a different
multicast group. Sharing a single socket for multiple event types
(each on their own multicast group) provides serialization of events
when reordering of different event types could be problematic. For
example, if a 'create' event and 'delete' event are on different
netlink multicast group, we may want to process those events in the
order in which kernel issued them, rather than in the order we happen
to check for them.
Moving the multicast group argument from nln_create() to
nln_notifier_create() allows each notifier to specify a different
multicast group. The parse callback needs to identify the group the
message belonged to by returning the corresponding group number, or 0
when an parse error occurs.
Signed-off-by: Jarno Rajahalme <jarno@ovn.org>
Acked-by: Thadeu Lima de Souza Cascardo <cascardo@redhat.com>
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Add a new test module to help debug Linux kernel conntrack development
unsing the netlink-conntrack module.
The tool has three uses:
* `ovstest test-netlink-conntrack dump [zone=zone]`
shows a list of the connection table
* `ovstest test-netlink-conntrack monitor`
displays the updates on the connection table, until killed with Ctrl-C
* `ovstest test-netlink-conntrack flush [zone=zone]`
empties connection (and therefore expectations table).
Signed-off-by: Daniele Di Proietto <diproiettod@vmware.com>
Acked-by: Joe Stringer <joe@ovn.org>
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