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authorMatan Barak <matanb@mellanox.com>2018-05-31 16:43:35 +0300
committerLeon Romanovsky <leonro@mellanox.com>2018-06-02 07:33:55 +0300
commit59082a327d0145c69b419a0f5bed96b13c5e9ed4 (patch)
tree27e2e564cd0bb8c7c46ca0a600b918a84288891d /drivers/infiniband/hw
parentIB/uverbs: Add read counters support (diff)
downloadlinux-dev-59082a327d0145c69b419a0f5bed96b13c5e9ed4.tar.xz
linux-dev-59082a327d0145c69b419a0f5bed96b13c5e9ed4.zip
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 <yishaih@mellanox.com> Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Boris Pismenny <borisp@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to '')
-rw-r--r--drivers/infiniband/hw/mlx4/main.c6
-rw-r--r--drivers/infiniband/hw/mlx5/main.c7
2 files changed, 11 insertions, 2 deletions
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);
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index daa919e5a442..e94df85ddf08 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -3245,7 +3245,8 @@ err:
static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp,
struct ib_flow_attr *flow_attr,
- int domain)
+ int domain,
+ struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(qp->device);
struct mlx5_ib_qp *mqp = to_mqp(qp);
@@ -3257,6 +3258,10 @@ static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp,
int err;
int underlay_qpn;
+ if (udata &&
+ udata->inlen && !ib_is_udata_cleared(udata, 0, udata->inlen))
+ return ERR_PTR(-EOPNOTSUPP);
+
if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO)
return ERR_PTR(-ENOMEM);