|
Revision tags: v5.15.41, v5.15.40, v5.15.39, v5.15.38, v5.15.37, v5.15.36, v5.15.35, v5.15.34, v5.15.33, v5.15.32, v5.15.31, v5.15.30, v5.15.29, v5.15.28, v5.15.27, v5.15.26, v5.15.25, v5.15.24, v5.15.23, v5.15.22, v5.15.21, v5.15.20, v5.15.19, v5.15.18, v5.15.17, v5.4.173, v5.15.16, v5.15.15, v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10 |
|
| #
0169b820 |
| 06-Nov-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Use hlist_head instead of list_head for mrp
Replace list_head with hlist_head for MRP list under the bridge.
There is no need for a circular list when a linear list will work.
This will
bridge: mrp: Use hlist_head instead of list_head for mrp
Replace list_head with hlist_head for MRP list under the bridge.
There is no need for a circular list when a linear list will work.
This will also decrease the size of 'struct net_bridge'.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Link: https://lore.kernel.org/r/20201106215049.1448185-1-horatiu.vultur@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
show more ...
|
|
Revision tags: v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9 |
|
| #
4fc4871f |
| 14-Jul-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Extend br_mrp_fill_info
This patch extends the function br_mrp_fill_info to return also the
status for the interconnect ring.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.co
bridge: mrp: Extend br_mrp_fill_info
This patch extends the function br_mrp_fill_info to return also the
status for the interconnect ring.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
| #
7ab1748e |
| 14-Jul-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Extend MRP netlink interface for configuring MRP interconnect
This patch extends the existing MRP netlink interface with the following
attributes: IFLA_BRIDGE_MRP_IN_ROLE, IFLA_BRIDGE_M
bridge: mrp: Extend MRP netlink interface for configuring MRP interconnect
This patch extends the existing MRP netlink interface with the following
attributes: IFLA_BRIDGE_MRP_IN_ROLE, IFLA_BRIDGE_MRP_IN_STATE and
IFLA_BRIDGE_MRP_START_IN_TEST. These attributes are similar with their
ring attributes but they apply to the interconnect port.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
| #
4139d4b5 |
| 14-Jul-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Add br_mrp_in_port_open function
This function notifies the userspace when the node lost the continuity
of MRP_InTest frames.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.co
bridge: mrp: Add br_mrp_in_port_open function
This function notifies the userspace when the node lost the continuity
of MRP_InTest frames.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
| #
4cc625c6 |
| 14-Jul-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Rename br_mrp_port_open to br_mrp_ring_port_open
This patch renames the function br_mrp_port_open to
br_mrp_ring_port_open. In this way is more clear that a ring port lost
the continuit
bridge: mrp: Rename br_mrp_port_open to br_mrp_ring_port_open
This patch renames the function br_mrp_port_open to
br_mrp_ring_port_open. In this way is more clear that a ring port lost
the continuity because there will be also a br_mrp_in_port_open.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
|
Revision tags: v5.7.8, v5.4.51 |
|
| #
df42ef22 |
| 02-Jul-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Add br_mrp_fill_info
Add the function br_mrp_fill_info which populates the MRP attributes
regarding the status of each MRP instance.
Signed-off-by: Horatiu Vultur <horatiu.vultur@micro
bridge: mrp: Add br_mrp_fill_info
Add the function br_mrp_fill_info which populates the MRP attributes
regarding the status of each MRP instance.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
|
Revision tags: v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7 |
|
| #
c6676e7d |
| 30-May-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Add support for role MRA
A node that has the MRA role, it can behave as MRM or MRC.
Initially it starts as MRM and sends MRP_Test frames on both ring ports.
If it detects that there ar
bridge: mrp: Add support for role MRA
A node that has the MRA role, it can behave as MRM or MRC.
Initially it starts as MRM and sends MRP_Test frames on both ring ports.
If it detects that there are MRP_Test send by another MRM, then it
checks if these frames have a lower priority than itself. In this case
it would send MRP_Nack frames to notify the other node that it needs to
stop sending MRP_Test frames.
If it receives a MRP_Nack frame then it stops sending MRP_Test frames
and starts to behave as a MRC but it would continue to monitor the
MRP_Test frames send by MRM. If at a point the MRM stops to send
MRP_Test frames it would get the MRM role and start to send MRP_Test
frames.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
| #
4b3a61b0 |
| 30-May-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Set the priority of MRP instance
Each MRP instance has a priority, a lower value means a higher priority.
The priority of MRP instance is stored in MRP_Test frame in this way
all the MR
bridge: mrp: Set the priority of MRP instance
Each MRP instance has a priority, a lower value means a higher priority.
The priority of MRP instance is stored in MRP_Test frame in this way
all the MRP nodes in the ring can see other nodes priority.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
|
Revision tags: v5.4.43 |
|
| #
20f6a05e |
| 27-May-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Rework the MRP netlink interface
This patch reworks the MRP netlink interface. Before, each attribute
represented a binary structure which made it hard to be extended.
Therefore update
bridge: mrp: Rework the MRP netlink interface
This patch reworks the MRP netlink interface. Before, each attribute
represented a binary structure which made it hard to be extended.
Therefore update the MRP netlink interface such that each existing
attribute to be a nested attribute which contains the fields of the
binary structures.
In this way the MRP netlink interface can be extended without breaking
the backwards compatibility. It is also using strict checking for
attributes under the MRP top attribute.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
| #
617504c6 |
| 25-May-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Fix out-of-bounds read in br_mrp_parse
The issue was reported by syzbot. When the function br_mrp_parse was
called with a valid net_bridge_port, the net_bridge was an invalid
pointer. T
bridge: mrp: Fix out-of-bounds read in br_mrp_parse
The issue was reported by syzbot. When the function br_mrp_parse was
called with a valid net_bridge_port, the net_bridge was an invalid
pointer. Therefore the check br->stp_enabled could pass/fail
depending where it was pointing in memory.
The fix consists of setting the net_bridge pointer if the port is a
valid pointer.
Reported-by: syzbot+9c6f0f1f8e32223df9a4@syzkaller.appspotmail.com
Fixes: 6536993371fa ("bridge: mrp: Integrate MRP into the bridge")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
|
Revision tags: v5.4.42, v5.4.41, v5.4.40 |
|
| #
c75a33c8 |
| 06-May-2020 |
Jacob Keller <jacob.e.keller@intel.com> |
net: remove newlines in NL_SET_ERR_MSG_MOD
The NL_SET_ERR_MSG_MOD macro is used to report a string describing an
error message to userspace via the netlink extended ACK structure. It
should not have
net: remove newlines in NL_SET_ERR_MSG_MOD
The NL_SET_ERR_MSG_MOD macro is used to report a string describing an
error message to userspace via the netlink extended ACK structure. It
should not have a trailing newline.
Add a cocci script which catches cases where the newline marker is
present. Using this script, fix the handful of cases which accidentally
included a trailing new line.
I couldn't figure out a way to get a patch mode working, so this script
only implements context, report, and org.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
|
Revision tags: v5.4.39, v5.4.38, v5.4.37, v5.4.36 |
|
| #
4d02b8f0 |
| 26-Apr-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Implement netlink interface to configure MRP
Implement netlink interface to configure MRP. The implementation
will do sanity checks over the attributes and then eventually call the MRP
bridge: mrp: Implement netlink interface to configure MRP
Implement netlink interface to configure MRP. The implementation
will do sanity checks over the attributes and then eventually call the MRP
interface.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
| #
9a9f26e8 |
| 26-Apr-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Connect MRP API with the switchdev API
Implement the MRP API.
In case the HW can't generate MRP Test frames then the SW will try to generate
the frames. In case that also the SW will f
bridge: mrp: Connect MRP API with the switchdev API
Implement the MRP API.
In case the HW can't generate MRP Test frames then the SW will try to generate
the frames. In case that also the SW will fail in generating the frames then a
error is return to the userspace. The userspace is responsible to generate all
the other MRP frames regardless if the test frames are generated by HW or SW.
The forwarding/termination of MRP frames is happening in the kernel and is done
by the MRP instance. The userspace application doesn't do the forwarding.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
|
Revision tags: v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9 |
|
| #
4fc4871f |
| 14-Jul-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Extend br_mrp_fill_info
This patch extends the function br_mrp_fill_info to return also the
status for the interconnect ring.
Signed-off-by: Horatiu Vultur <horatiu
bridge: mrp: Extend br_mrp_fill_info
This patch extends the function br_mrp_fill_info to return also the
status for the interconnect ring.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
| #
7ab1748e |
| 14-Jul-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Extend MRP netlink interface for configuring MRP interconnect
This patch extends the existing MRP netlink interface with the following
attributes: IFLA_BRIDGE_MRP_IN_ROLE, I
bridge: mrp: Extend MRP netlink interface for configuring MRP interconnect
This patch extends the existing MRP netlink interface with the following
attributes: IFLA_BRIDGE_MRP_IN_ROLE, IFLA_BRIDGE_MRP_IN_STATE and
IFLA_BRIDGE_MRP_START_IN_TEST. These attributes are similar with their
ring attributes but they apply to the interconnect port.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
| #
4139d4b5 |
| 14-Jul-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Add br_mrp_in_port_open function
This function notifies the userspace when the node lost the continuity
of MRP_InTest frames.
Signed-off-by: Horatiu Vultur <horatiu
bridge: mrp: Add br_mrp_in_port_open function
This function notifies the userspace when the node lost the continuity
of MRP_InTest frames.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
| #
4cc625c6 |
| 14-Jul-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Rename br_mrp_port_open to br_mrp_ring_port_open
This patch renames the function br_mrp_port_open to
br_mrp_ring_port_open. In this way is more clear that a ring port lost
bridge: mrp: Rename br_mrp_port_open to br_mrp_ring_port_open
This patch renames the function br_mrp_port_open to
br_mrp_ring_port_open. In this way is more clear that a ring port lost
the continuity because there will be also a br_mrp_in_port_open.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
|
Revision tags: v5.7.8, v5.4.51 |
|
| #
df42ef22 |
| 02-Jul-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Add br_mrp_fill_info
Add the function br_mrp_fill_info which populates the MRP attributes
regarding the status of each MRP instance.
Signed-off-by: Horatiu Vultur <
bridge: mrp: Add br_mrp_fill_info
Add the function br_mrp_fill_info which populates the MRP attributes
regarding the status of each MRP instance.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
|
Revision tags: v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7 |
|
| #
c6676e7d |
| 30-May-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Add support for role MRA
A node that has the MRA role, it can behave as MRM or MRC.
Initially it starts as MRM and sends MRP_Test frames on both ring ports.
If it d
bridge: mrp: Add support for role MRA
A node that has the MRA role, it can behave as MRM or MRC.
Initially it starts as MRM and sends MRP_Test frames on both ring ports.
If it detects that there are MRP_Test send by another MRM, then it
checks if these frames have a lower priority than itself. In this case
it would send MRP_Nack frames to notify the other node that it needs to
stop sending MRP_Test frames.
If it receives a MRP_Nack frame then it stops sending MRP_Test frames
and starts to behave as a MRC but it would continue to monitor the
MRP_Test frames send by MRM. If at a point the MRM stops to send
MRP_Test frames it would get the MRM role and start to send MRP_Test
frames.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
| #
4b3a61b0 |
| 30-May-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Set the priority of MRP instance
Each MRP instance has a priority, a lower value means a higher priority.
The priority of MRP instance is stored in MRP_Test frame in this wa
bridge: mrp: Set the priority of MRP instance
Each MRP instance has a priority, a lower value means a higher priority.
The priority of MRP instance is stored in MRP_Test frame in this way
all the MRP nodes in the ring can see other nodes priority.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
|
Revision tags: v5.4.43 |
|
| #
20f6a05e |
| 27-May-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Rework the MRP netlink interface
This patch reworks the MRP netlink interface. Before, each attribute
represented a binary structure which made it hard to be extended.
T
bridge: mrp: Rework the MRP netlink interface
This patch reworks the MRP netlink interface. Before, each attribute
represented a binary structure which made it hard to be extended.
Therefore update the MRP netlink interface such that each existing
attribute to be a nested attribute which contains the fields of the
binary structures.
In this way the MRP netlink interface can be extended without breaking
the backwards compatibility. It is also using strict checking for
attributes under the MRP top attribute.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
| #
617504c6 |
| 25-May-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Fix out-of-bounds read in br_mrp_parse
The issue was reported by syzbot. When the function br_mrp_parse was
called with a valid net_bridge_port, the net_bridge was an invali
bridge: mrp: Fix out-of-bounds read in br_mrp_parse
The issue was reported by syzbot. When the function br_mrp_parse was
called with a valid net_bridge_port, the net_bridge was an invalid
pointer. Therefore the check br->stp_enabled could pass/fail
depending where it was pointing in memory.
The fix consists of setting the net_bridge pointer if the port is a
valid pointer.
Reported-by: syzbot+9c6f0f1f8e32223df9a4@syzkaller.appspotmail.com
Fixes: 6536993371fa ("bridge: mrp: Integrate MRP into the bridge")
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
show more ...
|
|
Revision tags: v5.4.42, v5.4.41, v5.4.40 |
|
| #
c75a33c8 |
| 06-May-2020 |
Jacob Keller <jacob.e.keller@intel.com> |
net: remove newlines in NL_SET_ERR_MSG_MOD
The NL_SET_ERR_MSG_MOD macro is used to report a string describing an
error message to userspace via the netlink extended ACK structure. It
net: remove newlines in NL_SET_ERR_MSG_MOD
The NL_SET_ERR_MSG_MOD macro is used to report a string describing an
error message to userspace via the netlink extended ACK structure. It
should not have a trailing newline.
Add a cocci script which catches cases where the newline marker is
present. Using this script, fix the handful of cases which accidentally
included a trailing new line.
I couldn't figure out a way to get a patch mode working, so this script
only implements context, report, and org.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Revision tags: v5.4.39, v5.4.38, v5.4.37, v5.4.36 |
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4d02b8f0 |
| 26-Apr-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Implement netlink interface to configure MRP
Implement netlink interface to configure MRP. The implementation
will do sanity checks over the attributes and then eventually c
bridge: mrp: Implement netlink interface to configure MRP
Implement netlink interface to configure MRP. The implementation
will do sanity checks over the attributes and then eventually call the MRP
interface.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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| #
9a9f26e8 |
| 26-Apr-2020 |
Horatiu Vultur <horatiu.vultur@microchip.com> |
bridge: mrp: Connect MRP API with the switchdev API
Implement the MRP API.
In case the HW can't generate MRP Test frames then the SW will try to generate
the frames. In case tha
bridge: mrp: Connect MRP API with the switchdev API
Implement the MRP API.
In case the HW can't generate MRP Test frames then the SW will try to generate
the frames. In case that also the SW will fail in generating the frames then a
error is return to the userspace. The userspace is responsible to generate all
the other MRP frames regardless if the test frames are generated by HW or SW.
The forwarding/termination of MRP frames is happening in the kernel and is done
by the MRP instance. The userspace application doesn't do the forwarding.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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