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Set ret to -ENODEV when netdev_master_upper_dev_get_rcu returns NULL.
Fixes: 8b184e4f1c32 ("RDMA/mana_ib: Enable RoCE on port 1")
Link: https://lore.kernel.org/r/1713881751-21621-1-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Set local mac address in RNIC, which is required by the HW.
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-7-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Implement add_gid and del_gid for RNIC.
IPv4 and IPv6 addresses are supported.
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-6-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Set netdev and RoCEv2 flag to enable GID population on port 1.
Use GIDs of the master netdev. As mc->ports[] stores slave devices,
use a helper to get the master netdev.
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-5-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Implement port parameters for RNIC:
1) extend query_port() method
2) implement get_link_layer()
3) implement query_pkey()
Only port 1 can store GIDs.
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-4-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Add functions for RNIC creation and destruction.
If creation fails, the ib_probe fails as well.
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-3-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Create an error EQ for the RNIC adapter.
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712738551-22075-2-git-send-email-kotaranov@linux.microsoft.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Use num_comp_vectors of struct ib_device instead of max_num_queues
from gdma_context.
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://lore.kernel.org/r/1712911656-17352-1-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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With RDMA device registered, use it to query on hardware capabilities and
cache this information for future query requests to the driver.
Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1702692255-23640-3-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Software client needs to register with the RDMA management interface on
the SoC to access more features, including querying device capabilities
and RC queue pair.
Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1702692255-23640-2-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Add a RDMA VF driver for Microsoft Azure Network Adapter (MANA).
Co-developed-by: Ajay Sharma <sharmaajay@microsoft.com>
Signed-off-by: Ajay Sharma <sharmaajay@microsoft.com>
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Long Li <longli@microsoft.com>
Link: https://lore.kernel.org/r/1667502990-2559-13-git-send-email-longli@linuxonhyperv.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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