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Notifications from firmware to vf has to pass through PF
control mbox and via PF-VF mailboxes. The notifications have to
be parsed out from the control mbox and passed to the
PF-VF mailbox in order to reach the corresponding VF.
Version compatibility should also be checked before messages
are passed to the mailboxes.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Inquire firmware on supported offloads, as well as convey offloads
enabled dynamically to firmware. New control net API functionality is
required for the above. Implement control net API framework for
offloads.
Additionally, fetch/insert offload metadata from hardware RX/TX
buffer respectively during receive/transmit.
Currently supported offloads include checksum and TSO.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Link: https://lore.kernel.org/r/20231204154940.2583140-1-srasheed@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Device unload control net function should inform firmware
of driver unload to let it take necessary actions to cleanup.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Link: https://lore.kernel.org/r/20231129045348.2538843-2-srasheed@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Max receive packet length can vary across SoCs, so
this needs to be queried from respective firmware and
filled by driver. A control net get mtu api should be
implemented to do the same.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Solve observed style issues for kernel documentation
and structure declarations in control net API definitions.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support to fetch firmware info such as heartbeat miss count,
heartbeat interval. This shall be used for heartbeat monitor.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cross-merge networking fixes after downstream PR.
Conflicts:
drivers/net/ethernet/sfc/tc.c
fa165e194997 ("sfc: don't unregister flow_indr if it was never registered")
3bf969e88ada ("sfc: add MAE table machinery for conntrack table")
https://lore.kernel.org/all/20230818112159.7430e9b4@canb.auug.org.au/
No adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The intention was to wait up to 500 ms for the mbox response.
The third argument to wait_event_interruptible_timeout() is supposed to
be the timeout duration. The driver mistakenly passed absolute time
instead.
Fixes: 577f0d1b1c5f ("octeon_ep: add separate mailbox command and response queues")
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20230810150114.107765-2-mschmidt@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Implement control plane mailbox versions for host and firmware.
Versions are published in info area of control mailbox bar4
memory structure.Firmware will publish minimum and maximum
supported versions.Control plane mailbox apis will check for
firmware version before sending any control commands to firmware.
Notifications from firmware will similarly be checked for host
version compatibility.
Signed-off-by: Sathesh Edara <sedara@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update control mailbox API to include function id in get stats and
link info.
Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add asynchronous notification support to the control mailbox.
Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend control command structure to include vfid and
update APIs to accept VF ID.
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Enhance control mailbox protocol to support following
- separate command and response queues
* command queue to send control commands to firmware.
* response queue to receive responses and notifications from
firmware.
- variable size messages using scatter/gather
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for ndo ops to set MAC address, change MTU, get stats.
Add control path support to set MAC address, change MTU, get stats,
set speed, get and set link mode.
Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: Satananda Burla <sburla@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add mailbox between host and NIC to send control commands from host to
NIC and receive responses and notifications from NIC to host driver,
like link status update.
Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: Satananda Burla <sburla@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add driver framework and device setup and initialization for Octeon
PCI Endpoint NIC.
Add implementation to load module, initilaize, register network device,
cleanup and unload module.
Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Signed-off-by: Abhijit Ayarekar <aayarekar@marvell.com>
Signed-off-by: Satananda Burla <sburla@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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