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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/mlx4/main.c
parentebb6796bd397f3fb9b2b46398b2fbb585e1b8bb6 (diff)
downloadlinux-59082a327d0145c69b419a0f5bed96b13c5e9ed4.tar.bz2
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 'drivers/infiniband/hw/mlx4/main.c')
-rw-r--r--drivers/infiniband/hw/mlx4/main.c6
1 files changed, 5 insertions, 1 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);