Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d764970b authored Dec 09, 2018 by Michael Guralnik Committed by Jason Gunthorpe Dec 11, 2018

IB/mlx5: Add 2X width support to query_port



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>

parent 28ab1bb0

drivers/infiniband/hw/mlx5/mad.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -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;

drivers/infiniband/hw/mlx5/main.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1108,6 +1108,8 @@ static void translate_active_width(struct ib_device *ibdev, u8 active_width,

		if (active_width & MLX5_IB_WIDTH_1X)
		*ib_width = IB_WIDTH_1X;
		else if (active_width & MLX5_IB_WIDTH_2X)
		*ib_width = IB_WIDTH_2X;
		else if (active_width & MLX5_IB_WIDTH_4X)
		*ib_width = IB_WIDTH_4X;
		else if (active_width & MLX5_IB_WIDTH_8X)