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Add PF-VF mailbox initial version support
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Implement mailbox communication between PF and VFs.
PF-VF mailbox is used for all control commands from VF to PF and
asynchronous notification messages from PF to VF.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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>
Add PCI Endpoint NIC support for Octeon CN98 devices.
CN98 devices are part of Octeon 9 family products with
similar PCI NIC characteristics to CN93, already supported
driver.
Add CN98 card to the device id table, as well
as support differences in the register fields and
certain usage scenarios such as unload.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Link: https://lore.kernel.org/r/20231129045348.2538843-3-srasheed@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add PCI Endpoint NIC support for Octeon CN10K devices.
CN10K devices are part of Octeon 10 family products with
similar PCI NIC characteristics. These include:
- CN10KA
- CNF10KA
- CNF10KB
- CN10KB
Update supported device list in Documentation
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Link: https://lore.kernel.org/r/20231117103817.2468176-1-srasheed@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Replace atomic variable "instr_pending" which represents number of
posted tx instructions pending completion, with host_write_idx and
flush_index variables in the xmit and completion processing respectively.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Separated queue specific interrupts to register to individual msix-vectors
instead of using a single generic interrupt handler on a single
msix-vector.
Signed-off-by: Shinas Rasheed <srasheed@marvell.com>
Link: https://lore.kernel.org/r/20230918065621.2165449-1-srasheed@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Monitor periodic heartbeat messages from device firmware.
Presence of heartbeat indicates the device is active and running.
If the heartbeat is missed for configured interval indicates
firmware has crashed and device is unusable; in this case, PF driver
stops and uninitialize the device.
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>
Poll for control messages until interrupts are enabled.
All the interrupts are enabled in ndo_open().
Add ability to listen for notifications from firmware before ndo_open().
Once interrupts are enabled, this polling is disabled and all the
messages are processed by bottom half of interrupt handler.
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>
Add support for Octeon device CNF95N.
CNF95N is a Octeon Fusion family product with same PCI NIC
characteristics as CN93 which is currently supported by the driver.
update supported device list in Documentation.
Signed-off-by: Veerasenareddy Burru <vburru@marvell.com>
Link: https://lore.kernel.org/r/20221103060600.1858-1-vburru@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In review comment [1] was pointed that new code is not supposed
to set driver version and should rely on kernel version instead.
As an outcome of that comment all the dance around setting such
driver version to FW should be removed too, because in upstream
kernel whole driver will have same version so read/write from/to
FW will give same result.
[1] https://lore.kernel.org/all/YladGTmon1x3dfxI@unreal
Fixes: 862cd659a6fb ("octeon_ep: Add driver framework and device initialization")
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/5d76f3116ee795071ec044eabb815d6c2bdc7dbd.1649922731.git.leonro@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Implement hardware resource init and shutdown helper APIs.
This includes hardware Tx/Rx queue init/enable/disable/reset,
non queue interrupt handler that decodes non-queue interrupt type.
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>
