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Commit 30b40c31 authored by Amir Vadai's avatar Amir Vadai Committed by David S. Miller
Browse files

net/mlx4_core: Disable HW timestamping for VFs 



Disable timestamp capability on virtual functions.

Signed-off-by: default avatarAmir Vadai <amirv@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 50754d21

drivers/net/ethernet/mellanox/mlx4/fw.c

+5 −0
Original line number Diff line number Diff line
@@ -784,6 +784,11 @@ int mlx4_QUERY_DEV_CAP_wrapper(struct mlx4_dev *dev, int slave, 
	flags &= ~MLX4_DEV_CAP_FLAG_MEM_WINDOW;

	MLX4_PUT(outbox->buf, flags, QUERY_DEV_CAP_EXT_FLAGS_OFFSET);



	/* For guests, disable timestamp */

	MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);

	field &= 0x7f;

	MLX4_PUT(outbox->buf, field, QUERY_DEV_CAP_CQ_TS_SUPPORT_OFFSET);



	/* For guests, report Blueflame disabled */

	MLX4_GET(field, outbox->buf, QUERY_DEV_CAP_BF_OFFSET);

	field &= 0x7f;