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net/mlx4_core: Disable HW timestamping for VFs

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Disable timestamp capability on virtual functions.

Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amir Vadai 2013-04-25 05:22:23 +00:00 committed by David S. Miller
parent 50754d2188
commit 30b40c31c2
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/mellanox/mlx4/fw.c
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@ -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;