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openvswitch/datapath/Modules.mk

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Import from old repository commit 61ef2b42a9c4ba8e1600f15bb0236765edc2ad45.
2009-07-08 13:19:16 -07:00
# Some modules should be built and distributed, e.g. openvswitch.
#
# Some modules should be distributed but not built, e.g. we do not build
# veth if the kernel in question already has it.
#
# Some modules should be built but not distributed, e.g. third-party
# hwtable modules.
both_modules = openvswitch
build_modules = $(both_modules) # Modules to build
dist_modules = $(both_modules) # Modules to distribute
openvswitch_sources = \
actions.c \
datapath: Consolidate checksum compatibility code. Checksum offloading has changed quite a bit across different kernel and Xen versions. Since it is part of the skb data structure it is unfortunately difficult to separate out into compatibility code. This consolidates all of the checksum code in one place which makes it easier read and remove as we prepare for upstreaming. On newer kernels it also puts everything in inline functions, eliminating the need to run through the compat code or make extra function calls. Signed-off-by: Jesse Gross <jesse@nicira.com> Acked-by: Ben Pfaff <blp@nicira.com>
2010-11-22 14:17:24 -08:00
checksum.c \
Import from old repository commit 61ef2b42a9c4ba8e1600f15bb0236765edc2ad45.
2009-07-08 13:19:16 -07:00
datapath.c \
dp_notify.c \
datapath: Rename brc_sysfs_* to dp_sysfs_*. These files and names are now part of the datapath, not brcompat, so name them appropriately so as not to confuse anyone.
2009-08-05 12:56:23 -07:00
dp_sysfs_dp.c \
dp_sysfs_if.c \
Import from old repository commit 61ef2b42a9c4ba8e1600f15bb0236765edc2ad45.
2009-07-08 13:19:16 -07:00
flow.c \
datapath: Add loop detection for RT kernels. Our normal loop detection requires disabling preemption while packet processing takes place. On RT kernels this isn't acceptable and interacts badly with spinlocks, so we can't use it. This takes advantage of some extra space that is added to struct task_struct on RT kernels (and the knowledge that we will always have a valid task_struct) to store the loop counter for a given thread. Since we can't make these assumptions on non-RT kernels, we continue to use the previous method of loop detection there. Signed-off-by: Jesse Gross <jesse@nicira.com> Acked-by: Ben Pfaff <blp@nicira.com>
2010-10-18 15:30:20 -07:00
loop_counter.c \
datapath: Add generic virtual port layer. Currently the datapath directly accesses devices through their Linux functions. Obviously this doesn't work for virtual devices that are not backed by an actual Linux device. This creates a new virtual port layer which handles all interaction with devices. The existing support for Linux devices was then implemented on top of this layer as two device types. It splits out and renames dp_dev to internal_dev. There were several places where datapath devices had to handled in a special manner and this cleans that up by putting all the special casing in a single location.
2010-04-12 15:53:39 -04:00
table.c \
datapath: Abstract tunneling implementation from GRE. Much of the code in the GRE implementation is not specific to the GRE protocol but is actually common to all types of tunnels. In order to support future types of tunnels, move this code into a common library. Signed-off-by: Jesse Gross <jesse@nicira.com>
2010-08-10 20:11:48 -04:00
tunnel.c \
datapath: Add generic virtual port layer. Currently the datapath directly accesses devices through their Linux functions. Obviously this doesn't work for virtual devices that are not backed by an actual Linux device. This creates a new virtual port layer which handles all interaction with devices. The existing support for Linux devices was then implemented on top of this layer as two device types. It splits out and renames dp_dev to internal_dev. There were several places where datapath devices had to handled in a special manner and this cleans that up by putting all the special casing in a single location.
2010-04-12 15:53:39 -04:00
vport.c \
datapath: Add support for CAPWAP UDP transport. Add support for the transport portion of the CAPWAP protocol as an alternative to GRE for L2 over L3 tunneling. This is not full support for the CAPWAP protocol. CAPWAP covers management of wireless access points and describes a control protocol for setting those devices up. It also describes a data plane protocol that allows packets to be tunneled to a controller for inspection. This data plane protocol is the only component covered by this commit. Signed-off-by: Jesse Gross <jesse@nicira.com>
2010-08-11 20:55:58 -04:00
vport-capwap.c \
vport: Extract common functions for virtual devices. Pull some generic implementations of vport functions out of the GRE vport so they can be used by others. Also move the code to set the MTUs of internal devices to the minimum of attached devices to the generic vport_set_mtu layer.
2010-05-10 17:40:22 -07:00
vport-generic.c \
tunneling: Add datapath GRE support. Add a new vport type that implements GRE support inside of the datapath instead of relying on Linux devices. This provides greater scalability, performance, and control. The new GRE implementation supports nearly all features of the Linux implementation. It does not currently support multicast, NBMA tunnels, or non-Ethernet devices. This implementation of GRE has several important benefits over the existing Linux implementation. The first is simply that is not a Linux device. Linux devices are fairly heavy weight both in terms of memory consumption and interactions with the rest of the system (notifications, processes polling, etc.). There are many pieces of code that make assumptions about the maximum reasonable number of ports. Simply maintaining the state of several thousand devices is enough to full occupy the CPU. A tighter coupling between the GRE implementation and datapath also allows more flexibility. The key can be set and retrieved from the flow table, which allows even greater scalability. There will probably be additional use cases in the future.
2010-04-17 15:23:31 -04:00
vport-gre.c \
datapath: Add generic virtual port layer. Currently the datapath directly accesses devices through their Linux functions. Obviously this doesn't work for virtual devices that are not backed by an actual Linux device. This creates a new virtual port layer which handles all interaction with devices. The existing support for Linux devices was then implemented on top of this layer as two device types. It splits out and renames dp_dev to internal_dev. There were several places where datapath devices had to handled in a special manner and this cleans that up by putting all the special casing in a single location.
2010-04-12 15:53:39 -04:00
vport-internal_dev.c \
datapath: Add 'patch' vport. Adds a new 'patch' vport that acts like a virtual patch cable to connect together two datapaths.
2010-05-10 13:07:28 -07:00
vport-netdev.c \
vport-patch.c
Import from old repository commit 61ef2b42a9c4ba8e1600f15bb0236765edc2ad45.
2009-07-08 13:19:16 -07:00
openvswitch_headers = \
actions.h \
datapath: Consolidate checksum compatibility code. Checksum offloading has changed quite a bit across different kernel and Xen versions. Since it is part of the skb data structure it is unfortunately difficult to separate out into compatibility code. This consolidates all of the checksum code in one place which makes it easier read and remove as we prepare for upstreaming. On newer kernels it also puts everything in inline functions, eliminating the need to run through the compat code or make extra function calls. Signed-off-by: Jesse Gross <jesse@nicira.com> Acked-by: Ben Pfaff <blp@nicira.com>
2010-11-22 14:17:24 -08:00
checksum.h \
Import from old repository commit 61ef2b42a9c4ba8e1600f15bb0236765edc2ad45.
2009-07-08 13:19:16 -07:00
datapath.h \
datapath: Rename brc_sysfs_* to dp_sysfs_*. These files and names are now part of the datapath, not brcompat, so name them appropriately so as not to confuse anyone.
2009-08-05 12:56:23 -07:00
dp_sysfs.h \
datapath: Add generic virtual port layer. Currently the datapath directly accesses devices through their Linux functions. Obviously this doesn't work for virtual devices that are not backed by an actual Linux device. This creates a new virtual port layer which handles all interaction with devices. The existing support for Linux devices was then implemented on top of this layer as two device types. It splits out and renames dp_dev to internal_dev. There were several places where datapath devices had to handled in a special manner and this cleans that up by putting all the special casing in a single location.
2010-04-12 15:53:39 -04:00
flow.h \
datapath: Add loop detection for RT kernels. Our normal loop detection requires disabling preemption while packet processing takes place. On RT kernels this isn't acceptable and interacts badly with spinlocks, so we can't use it. This takes advantage of some extra space that is added to struct task_struct on RT kernels (and the knowledge that we will always have a valid task_struct) to store the loop counter for a given thread. Since we can't make these assumptions on non-RT kernels, we continue to use the previous method of loop detection there. Signed-off-by: Jesse Gross <jesse@nicira.com> Acked-by: Ben Pfaff <blp@nicira.com>
2010-10-18 15:30:20 -07:00
loop_counter.h \
datapath: Genericize hash table. Currently the flow hash table assumes that it is storing flows. However, we will need additional types of hash tables in the future so remove assumptions about flows and convert the datapath to use the new table.
2010-04-02 16:46:18 -04:00
table.h \
datapath: Abstract tunneling implementation from GRE. Much of the code in the GRE implementation is not specific to the GRE protocol but is actually common to all types of tunnels. In order to support future types of tunnels, move this code into a common library. Signed-off-by: Jesse Gross <jesse@nicira.com>
2010-08-10 20:11:48 -04:00
tunnel.h \
datapath: Add generic virtual port layer. Currently the datapath directly accesses devices through their Linux functions. Obviously this doesn't work for virtual devices that are not backed by an actual Linux device. This creates a new virtual port layer which handles all interaction with devices. The existing support for Linux devices was then implemented on top of this layer as two device types. It splits out and renames dp_dev to internal_dev. There were several places where datapath devices had to handled in a special manner and this cleans that up by putting all the special casing in a single location.
2010-04-12 15:53:39 -04:00
vport.h \
vport: Extract common functions for virtual devices. Pull some generic implementations of vport functions out of the GRE vport so they can be used by others. Also move the code to set the MTUs of internal devices to the minimum of attached devices to the generic vport_set_mtu layer.
2010-05-10 17:40:22 -07:00
vport-generic.h \
datapath: Add generic virtual port layer. Currently the datapath directly accesses devices through their Linux functions. Obviously this doesn't work for virtual devices that are not backed by an actual Linux device. This creates a new virtual port layer which handles all interaction with devices. The existing support for Linux devices was then implemented on top of this layer as two device types. It splits out and renames dp_dev to internal_dev. There were several places where datapath devices had to handled in a special manner and this cleans that up by putting all the special casing in a single location.
2010-04-12 15:53:39 -04:00
vport-internal_dev.h \
vport-netdev.h
Import from old repository commit 61ef2b42a9c4ba8e1600f15bb0236765edc2ad45.
2009-07-08 13:19:16 -07:00
dist_sources = $(foreach module,$(dist_modules),$($(module)_sources))
dist_headers = $(foreach module,$(dist_modules),$($(module)_headers))
build_sources = $(foreach module,$(build_modules),$($(module)_sources))
build_headers = $(foreach module,$(build_modules),$($(module)_headers))
build_links = $(notdir $(build_sources))
build_objects = $(notdir $(patsubst %.c,%.o,$(build_sources)))
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