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IB/mlx5: Add 2X width support to query_port

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Report to the user 2x width over MAD interface.

Signed-off-by: Michael Guralnik <michaelgur@mellanox.com>
Reviewed-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Michael Guralnik
2018-12-09 11:49:54 +02:00
committed by Jason Gunthorpe
parent 28ab1bb0e8
commit d764970bce
2 changed files with 7 additions and 1 deletions
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6
drivers/infiniband/hw/mlx5/mad.c
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@@ -568,10 +568,14 @@ int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
props->max_vl_num = out_mad->data[37] >> 4;
props->init_type_reply = out_mad->data[41] >> 4;
if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP)
if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP) {
props->port_cap_flags2 =
be16_to_cpup((__be16 *)(out_mad->data + 60));
if (props->port_cap_flags2 & IB_PORT_LINK_WIDTH_2X_SUP)
props->active_width = out_mad->data[31] & 0x1f;
}
/* Check if extended speeds (EDR/FDR/...) are supported */
if (props->port_cap_flags & IB_PORT_EXTENDED_SPEEDS_SUP) {
ext_active_speed = out_mad->data[62] >> 4;