linux-toradex.git/net/openvswitch/datapath.h, branch v3.14.3 Linux kernel for Apalis and Colibri modules ovs: make functions local 2014-01-06T23:54:39+00:00 Stephen Hemminger stephen@networkplumber.org 2013-12-17T19:22:48+00:00 443cd88c8a31379e95326428bbbd40af25c1d440 Several functions and datastructures could be local Found with 'make namespacecheck' Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Jesse Gross <jesse@nicira.com> 
Several functions and datastructures could be local
Found with 'make namespacecheck'

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Jesse Gross <jesse@nicira.com>
openvswitch: Allow user space to announce ability to accept unaligned Netlink messages 2014-01-06T23:52:53+00:00 Thomas Graf tgraf@suug.ch 2013-12-13T14:22:18+00:00 43d4be9cb55f3bac5253e9289996fd9d735531db Signed-off-by: Thomas Graf <tgraf@suug.ch> Reviewed-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: Jesse Gross <jesse@nicira.com> 
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Reviewed-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
openvswitch: Silence RCU lockdep checks from flow lookup. 2014-01-06T23:51:48+00:00 Jesse Gross jesse@nicira.com 2013-12-03T18:58:53+00:00 663efa3696232300a8ad3a46bb10482fc0b861cf Flow lookup can happen either in packet processing context or userspace context but it was annotated as requiring RCU read lock to be held. This also allows OVS mutex to be held without causing warnings. Reported-by: Justin Pettit <jpettit@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com> Reviewed-by: Thomas Graf <tgraf@redhat.com> 
Flow lookup can happen either in packet processing context or userspace
context but it was annotated as requiring RCU read lock to be held. This
also allows OVS mutex to be held without causing warnings.

Reported-by: Justin Pettit <jpettit@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
Reviewed-by: Thomas Graf <tgraf@redhat.com>
genetlink: pass family to functions using groups 2013-11-19T21:39:06+00:00 Johannes Berg johannes.berg@intel.com 2013-11-19T14:19:38+00:00 68eb55031da7c967d954e5f9415cd05f4abdb692 This doesn't really change anything, but prepares for the next patch that will change the APIs to pass the group ID within the family, rather than the global group ID. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
This doesn't really change anything, but prepares for the
next patch that will change the APIs to pass the group ID
within the family, rather than the global group ID.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
openvswitch: collect mega flow mask stats 2013-10-22T17:42:46+00:00 Andy Zhou azhou@nicira.com 2013-10-22T17:42:46+00:00 1bd7116f1cb833c998cddb6b188df463342069d8 Collect mega flow mask stats. ovs-dpctl show command can be used to display them for debugging and performance tuning. Signed-off-by: Andy Zhou <azhou@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com> 
Collect mega flow mask stats. ovs-dpctl show command can be used to
display them for debugging and performance tuning.

Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
openvswitch: Move mega-flow list out of rehashing struct. 2013-10-04T07:18:26+00:00 Pravin B Shelar pshelar@nicira.com 2013-10-04T07:14:23+00:00 b637e4988c2d689bb43f943a5af0e684a4981159 ovs-flow rehash does not touch mega flow list. Following patch moves it dp struct datapath. Avoid one extra indirection for accessing mega-flow list head on every packet receive. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com> 
ovs-flow rehash does not touch mega flow list. Following patch
moves it dp struct datapath.  Avoid one extra indirection for
accessing mega-flow list head on every packet receive.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
openvswitch: Restructure datapath.c and flow.c 2013-10-04T01:16:47+00:00 Pravin B Shelar pshelar@nicira.com 2013-10-04T01:16:47+00:00 e64457191a259537bbbfaebeba9a8043786af96f Over the time datapath.c and flow.c has became pretty large files. Following patch restructures functionality of component into three different components: flow.c: contains flow extract. flow_netlink.c: netlink flow api. flow_table.c: flow table api. This patch restructures code without changing logic. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com> 
Over the time datapath.c and flow.c has became pretty large files.
Following patch restructures functionality of component into three
different components:

flow.c: contains flow extract.
flow_netlink.c: netlink flow api.
flow_table.c: flow table api.

This patch restructures code without changing logic.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
openvswitch: Move flow table rehashing to flow install. 2013-09-17T16:38:23+00:00 Pravin B Shelar pshelar@nicira.com 2013-09-17T16:38:23+00:00 e7f133290660d976da8cb20e9bc7310d0cd19341 Rehashing in ovs-workqueue can cause ovs-mutex lock contentions in case of heavy flow setups where both needs ovs-mutex. So by moving rehashing to flow-setup we can eliminate contention. This also simplify ovs locking and reduces dependence on workqueue. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com> 
Rehashing in ovs-workqueue can cause ovs-mutex lock contentions
in case of heavy flow setups where both needs ovs-mutex.  So by
moving rehashing to flow-setup we can eliminate contention.
This also simplify ovs locking and reduces dependence on
workqueue.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
openvswitch: Mega flow implementation 2013-08-23T23:43:07+00:00 Andy Zhou azhou@nicira.com 2013-08-08T03:01:00+00:00 03f0d916aa0317592dda11bd17c7357858719b6c Add wildcarded flow support in kernel datapath. Wildcarded flow can improve OVS flow set up performance by avoid sending matching new flows to the user space program. The exact performance boost will largely dependent on wildcarded flow hit rate. In case all new flows hits wildcard flows, the flow set up rate is within 5% of that of linux bridge module. Pravin has made significant contributions to this patch. Including API clean ups and bug fixes. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: Andy Zhou <azhou@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com> 
Add wildcarded flow support in kernel datapath.

Wildcarded flow can improve OVS flow set up performance by avoid sending
matching new flows to the user space program. The exact performance boost
will largely dependent on wildcarded flow hit rate.

In case all new flows hits wildcard flows, the flow set up rate is
within 5% of that of linux bridge module.

Pravin has made significant contributions to this patch. Including API
clean ups and bug fixes.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
openvswitch: Add gre tunnel support. 2013-06-20T01:07:42+00:00 Pravin B Shelar pshelar@nicira.com 2013-06-18T00:50:33+00:00 aa310701e787087dbfbccf1409982a96e16c57a6 Add gre vport implementation. Most of gre protocol processing is pushed to gre module. It make use of gre demultiplexer therefore it can co-exist with linux device based gre tunnels. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Jesse Gross <jesse@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net> 
Add gre vport implementation.  Most of gre protocol processing
is pushed to gre module. It make use of gre demultiplexer
therefore it can co-exist with linux device based gre tunnels.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>