From 59082a327d0145c69b419a0f5bed96b13c5e9ed4 Mon Sep 17 00:00:00 2001 From: Matan Barak Date: Thu, 31 May 2018 16:43:35 +0300 Subject: IB/core: Support passing uhw for create_flow This is required when user-space drivers need to pass extra information regarding how to handle this flow steering specification. Reviewed-by: Yishai Hadas Signed-off-by: Matan Barak Signed-off-by: Boris Pismenny Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/mlx4/main.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'drivers/infiniband/hw/mlx4') diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 5b70744f414a..5b88bdd1ecef 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -1847,7 +1847,7 @@ static int mlx4_ib_add_dont_trap_rule(struct mlx4_dev *dev, static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, struct ib_flow_attr *flow_attr, - int domain) + int domain, struct ib_udata *udata) { int err = 0, i = 0, j = 0; struct mlx4_ib_flow *mflow; @@ -1865,6 +1865,10 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp, (flow_attr->type != IB_FLOW_ATTR_NORMAL)) return ERR_PTR(-EOPNOTSUPP); + if (udata && + udata->inlen && !ib_is_udata_cleared(udata, 0, udata->inlen)) + return ERR_PTR(-EOPNOTSUPP); + memset(type, 0, sizeof(type)); mflow = kzalloc(sizeof(*mflow), GFP_KERNEL); -- cgit v1.2.3-59-g8ed1b