From: Amir Vadai Date: Thu, 25 Apr 2013 05:22:23 +0000 (+0000) Subject: net/mlx4_core: Disable HW timestamping for VFs X-Git-Tag: v3.10-rc1~66^2~20^2~7 X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=30b40c31c2eeaa9188b09c3fd1230b90b2d1823b;p=cascardo%2Flinux.git net/mlx4_core: Disable HW timestamping for VFs Disable timestamp capability on virtual functions. Signed-off-by: Amir Vadai Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index 6776c257bd34..1f6c3e9128ef 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -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;