https://github.com/torvalds/linux
Revision 6a1cf4e443a3b0a4d690d3c93b84b1e9cbfcb1bd authored by Aya Levin on 15 June 2020, 09:48:47 UTC, committed by Saeed Mahameed on 10 July 2020, 02:27:06 UTC
Some released FW versions mistakenly don't set the capability that 50G
per lane link-modes are supported for VFs (ptys_extended_ethernet
capability bit). When the capability is unset, read
PTYS.ext_eth_proto_capability (always reliable).
If PTYS.ext_eth_proto_capability is valid (has a non-zero value)
conclude that the HCA supports 50G per lane. Otherwise, conclude that
the HCA doesn't support 50G per lane.

Fixes: a08b4ed1373d ("net/mlx5: Add support to ext_* fields introduced in Port Type and Speed register")
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
1 parent f4aebbf
History
Tip revision: 6a1cf4e443a3b0a4d690d3c93b84b1e9cbfcb1bd authored by Aya Levin on 15 June 2020, 09:48:47 UTC
net/mlx5e: Fix 50G per lane indication
Tip revision: 6a1cf4e
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