| Commit message (Collapse) | Author | Age | Files | Lines |
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Protect internal adapter up/down calls with a dispatch lock. It was
observed that the InternalAdapter bind calls could happen out of order
thereby causing encap packets to not be sent properly.
Add assert around the IpHelper bind calls to ensure Up/Down gets called
only for the appropriate vports.
Signed-off-by: Sairam Venugopal <vsairam@vmware.com>
Signed-off-by: Alin Gabriel Serdean <aserdean@ovn.org>
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The function should be aware that it requires a certain dispatch level,
restores the dispatch level, requires lock held and releases a lock.
This patch adds annotation for that.
Signed-off-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Shashank Ram <rams@vmware.com>
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The function should be aware that it raises the dispatch level, saves the
dispatch level and acquires a lock.
This patch adds annotation for that.
Signed-off-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Shashank Ram <rams@vmware.com>
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The function should be aware that it raises the dispatch level, saves the
dispatch level and acquires a lock.
This patch adds annotation for that.
Signed-off-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Shashank Ram <rams@vmware.com>
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This patch adds multiple internal ports support to the windows datapath.
All tunnels types have been updated to accommodate this new functionality.
Signed-off-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Co-authored-by: Sorin Vinturis <svinturis@cloudbasesolutions.com>
Signed-off-by: Sorin Vinturis <svinturis@cloudbasesolutions.com>
Acked-by: Paul Boca <pboca@cloudbasesolutions.com>
Acked-by: Sairam Venugopal <vsairam@vmware.com>
Signed-off-by: Gurucharan Shetty <guru@ovn.org>
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GRE64 was introduced to extend gre key from 32-bit to 64-bit using
gre-key and sequence number field. But GRE64 is not standard
protocol. There are not many users of this protocol. Therefore we
have decided to remove it.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>
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This change include an initial implementable of STT.
The following should be added:
[1] Checksum offload (SW and HW)
[2] LSO (SW and HW)
[3] IP layer WFP callout for IP segments
Added support for multiple (per TCP port) STT ports
Testing: link layer connection through ping works. File transfer.
Signed-off-by: Eitan Eliahu <eliahue@vmware.com>
Co-authored-by: Saurabh Shah <ssaurabh@vmware.com>
Signed-off-by: Saurabh Shah <ssaurabh@vmware.com>
Acked-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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At the moment the OVS extension supports only one VXLAN tunnel that
is cached in the extension switch context. Replaced the latter
cached pointer with an array list that contains all VXLAN tunnel
vports.
Signed-off-by: Sorin Vinturis <svinturis@cloudbasesolutions.com>
Reported-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Reported-at: https://github.com/openvswitch/ovs-issues/issues/64
Acked-by: Eitan Eliahu <eliahue@vmware.com>
Acked-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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The BSOD occurred because the FilterAttach routine released the switch
context, while there were IRPs in processing.
The solution was to add a reference count to prevent premature deallocation of the
global switch context structure, gOvsSwitchContext.
Signed-off-by: Sorin Vinturis <svinturis@cloudbasesolutions.com>
Reported-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Reported-at: https://github.com/openvswitch/ovs-issues/issues/58
Acked-by: Eitan Eliahu <eliahue@vmware.com>
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
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This patch was enforced by the WHCK logo testing. In order to pass the
Windows Filtering Platform tests we need to add a persistent system
provider.
Signed-off-by: Sorin Vinturis <svinturis@cloudbasesolutions.com>
Reported-by: Sorin Vinturis <svinturis@cloudbasesolutions.com>
Reported-at: https://github.com/openvswitch/ovs-issues/issues/65
Acked-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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In this patch, we update the documentation for 'portIdHashArray' to
indicate that a vport would exist in this hash table if and only if it
also exists on the Hyper-V switch.
This functionality to implement this semantic will follow in subsequent
patches.
Signed-off-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Gurucharan Shetty <gshetty@nicira.com>
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In this patch, we make the following updates to the vport add code:
1. Clarify the roles of the different hash tables, so it is easier to
read/write code in the future.
2. Update OvsNewVportCmdHandler() to support adding bridge-internal
ports.
3. Fixes in OvsNewVportCmdHandler() to support adding external port.
Earlier, we'd hit ASSERTs.
4. I could not figure out way to add a port of type
OVS_PORT_TYPE_INTERNAL with name "internal" to the confdb using
ovs-vsctl.exe. And, this is needed in order to add the Hyper-V
internal port from userspace. To workaround this problem, we treat a
port of type OVS_PORT_TYPE_NETDEV with name "internal" as a request
to add the Hyper-V internal port. This is a workaround. The end
result is that there's a discrepancy between the port type in the
datpaath v/s confdb, but this has not created any trouble in testing
so far. If this ends up becoming an issue, we can mark the Hyper-V
internal port to be of type OVS_PORT_TYPE_NETDEV. No harm.
5. Because of changes indicated in #1, we also update the vport dump
code to look at the correct hash table for ports added from
userspace.
6. Add a OvsGetTunnelVport() for convenience.
7. Update ASSERTs() while cleaning up the switch.
8. Nuke OvsGetExternalVport() and OvsGetExternalMtu().
Signed-off-by: Nithin Raju <nithin@vmware.com>
Acked-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Tested-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Acked-by: Ankur Sharma <ankursharma@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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In this patch, we add some explanation about the usage of
'externalVport' in the switch context. Also, we rename 'externalVport'
to 'virtualExternalVport' in alignment with the explanation. Also, we
rename 'numVports' to 'numHvVports' since ports are added from 2 ends
now.
Signed-off-by: Nithin Raju <nithin@vmware.com>
Acked-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Tested-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Acked-by: Ankur Sharma <ankursharma@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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Refactored CreateQueue function so that packets are enqueued to correct corresponding queue.
Signed-off-by: Ankur Sharma <ankursharma@vmware.com>
Acked-by: Eitan Eliahu <eliahue@vmware.com>
Acked-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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This patch introduces data structure for holding instances hashed by pid.
Signed-off-by: Ankur Sharma <ankursharma@vmware.com>
Acked-by: Sorin Vinturis <svinturis@cloudbasesolutions.com>
cked-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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In 'OvsAcquireDatapathRead()' and 'OvsAcquireDatapathWrite()', we seem
to be passing a BOLEAN instead of NDIS_RWL_AT_DISPATCH_LEVEL.
Signed-off-by: Nithin Raju <nithin@vmware.com>
Acked-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Tested-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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For this, the old method of finding vports based on the
ovs port numbers is removed. Now, the lookup of a vport
by ovs port number is done the same way as the lookup by
hyper-v switch port id.
This is done so that the kernel is able to interact with
the userspace correctly when using vport channels.
The problem manifested in lib/dpif-netlink.c, at the function
vport_add_channels.
This patch removes the field vportArray from OVS_SWITCH_CONTEXT.
In its place, portNoHashArray is set. In the OVS_VPORT_ENTRY
struct, we also add portNoLink. This new method will do lookup
and insertions of vports by ovs (datapath) port numbers the same
way it is done for hyper-v switch port ids.
This patch implicitly removes the indexes, which were previously
used in insertions and lookups on ovs port numbers. The removal
of the index also means that the vxlan vport can no longer be
looked up the same way as it was done before: now we hold a pointer
to it, vxlanVport in OVS_SWITCH_CONTEXT. For the moment, we can
have only one vxlan vport. When more will be allowed, this field
will turn into a list of vxlan ports.
The invalid port number value (held in OVS_DPPORT_NUMBER_INVALID)
is now changed from 0 to MAXUINT16, the same as it is on linux.
The function OvsComputeVportNo has also been removed, since the
computation of a vport port number can no longer be done like this.
When vport add will be added, a new, updated OvsComputeVportNo
function will be added.
Also, in OvsInitVportCommon, we no longer need to (and no longer can)
initialize vport->ovsName, nor vport->ovsNameLen, because they will
be initialized by the netlink command vport add. Since the netlink
command vport add will generate numbers for the datapath (ovs) port
numbers and set the port names, we cannot insert the vport into the
hash array of port numbers here, nor into the hash array of port names.
Signed-off-by: Samuel Ghinet <sghinet@cloudbasesolutions.com>
Co-authored-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Acked-by: Ankur Sharma <ankursharma@vmware.com>
Acked-by: Eitan Eliahu <eliahue@vmware.com>
Acked-by: Nithin Raju <nithin@vmware.com>
Tested-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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The field portLink of the OVS_VPORT_ENTRY is the link within the
OVS_SWITCH_CONTEXT's hash array of vports portHashArray, hashed by the
portId field of the OVS_VPORT_ENTRY.
Later on, we will need to modify the OVS_VPORT_ENTRY so that its port
numbers are set to maximum MAXUINT16. This will require that the field
vportArray of OVS_SWITCH_CONTEXT be removed and replaced with a hash
array, portNoHashArray. Also, a new field, portNoLink, will need to be
added to OVS_VPORT_ENTRY. In order to differentiate between portHashArray
and portNoHashArray, portHashArray is renamed to portIdHashArray. Also,
in order to differentiate between portLink and portNoLink, portLink
is renamed to portIdLink.
In a future patch the vport functionality will be changed to constraint
the port numbers to MAXUINT16.
Signed-off-by: Samuel Ghinet <sghinet@cloudbasesolutions.com>
Co-authored-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Acked-by: Ankur Sharma <ankursharma@vmware.com>
Acked-by: Eitan Eliahu <eliahue@vmware.com>
Acked-by: Nithin Raju <nithin@vmware.com>
Tested-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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login register
The field nameLink of the OVS_VPORT_ENTRY is the link within the
OVS_SWITCH_CONTEXT's hash array of vports nameHashArray, hashed by the
ovsName field of the OVS_VPORT_ENTRY.
Later on, the friendly name of the hyper-v switch port will need to be
set from userspace using WMI. This will require that the hyper-v switch
port friendly name be set to the exact string value as the ovs
(datapath) port name set from netlink command vport add.
The vport will need to differentiate between the ovs (datapath) port
name and hyper-v switch port friendly name, because they may differ in
erroneous scenarios, or state differences between the hyper-v switch
port and the ovs (datapath) port. This may happen if the vport was
created by the netlink command vport add, but the VM disconnected (i.e.
the hyper-v switch port was later deleted).
Storing another field in vport, "portFriendlyName" would normally
make the current switchContext->nameHashArray and vport->nameLink
confusing since the "name"-s may be understood to mean the hyper-v
switch port friendly name, or the hyper-v switch port name, when it
actually refers to the ovs (datapath) port name.
Hence, the variable nameHashArray is renamed to ovsPortNameHashArray,
while the nameLink is renamed to ovsPortNameLink. This change will make
a clearer connection between these and the vport field "ovsName" to
which they revolve around.
Signed-off-by: Samuel Ghinet <sghinet@cloudbasesolutions.com>
Co-authored-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Acked-by: Ankur Sharma <ankursharma@vmware.com>
Acked-by: Eitan Eliahu <eliahue@vmware.com>
Acked-by: Nithin Raju <nithin@vmware.com>
Tested-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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The fields externalVport and internalVport of the OVS_SWITCH_CONTEXT
struct are currently defined as PVOID. However, all over the code they
are used as POVS_VPORT_ENTRY. In order to improve clarity and reduce the
need for useless casts to POVS_VPORT_ENTRY, this patch changes the type
from PVOID to POVS_VPORT_ENTRY.
This patch does not cleanup the code that already uses casts to
POVS_VPORT_ENTRY. This cleanup can be done later on as well.
Signed-off-by: Samuel Ghinet <sghinet@cloudbasesolutions.com>
Co-authored-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Acked-by: Ankur Sharma <ankursharma@vmware.com>
Acked-by: Eitan Eliahu <eliahue@vmware.com>
Acked-by: Nithin Raju <nithin@vmware.com>
Tested-by: Nithin Raju <nithin@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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This patch includes the file renaming and accommodations needed for the file
renaming to build the forwarding extension for Hyper-V.
This patch is also a follow-up for the thread:
http://openvswitch.org/pipermail/dev/2014-August/044005.html
Signed-off-by: Samuel Ghinet <sghinet@cloudbasesolutions.com>
Co-authored-by: Alin Gabriel Serdean <aserdean@cloudbasesolutions.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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