diff options
| author | Matan Barak <matanb@mellanox.com> | 2018-03-28 09:27:46 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-04-04 12:06:25 -0600 |
| commit | 9b828441976ef719f1008a9855fff95a45e474b8 (patch) | |
| tree | 1d07400e6764f1032efb991c596ac936e523d462 /drivers/infiniband/core/uverbs_std_types.c | |
| parent | 2eb9beaee5d73130d28c54e91eecb8a186581e08 (diff) | |
IB/uverbs: Add action_handle flow steering specification
Binding a flow_action to flow steering rule requires using a new
specification. Therefore, adding such an IB_FLOW_SPEC_ACTION_HANDLE flow
specification.
Flow steering rules could use flow_action(s) and as of that we need to
avoid deleting flow_action(s) as long as they're being used.
Moreover, when the attached rules are deleted, action_handle reference
count should be decremented. Introducing a new mechanism of flow
resources to keep track on the attached action_handle(s). Later on, this
mechanism should be extended to other attached flow steering resources
like flow counters.
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/uverbs_std_types.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_std_types.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/infiniband/core/uverbs_std_types.c b/drivers/infiniband/core/uverbs_std_types.c index 47b9a85f3854..173eab8d3482 100644 --- a/drivers/infiniband/core/uverbs_std_types.c +++ b/drivers/infiniband/core/uverbs_std_types.c @@ -48,7 +48,16 @@ static int uverbs_free_ah(struct ib_uobject *uobject, static int uverbs_free_flow(struct ib_uobject *uobject, enum rdma_remove_reason why) { - return ib_destroy_flow((struct ib_flow *)uobject->object); + int ret; + struct ib_flow *flow = (struct ib_flow *)uobject->object; + struct ib_uflow_object *uflow = + container_of(uobject, struct ib_uflow_object, uobject); + + ret = ib_destroy_flow(flow); + if (!ret) + ib_uverbs_flow_resources_free(uflow->resources); + + return ret; } static int uverbs_free_mw(struct ib_uobject *uobject, @@ -268,7 +277,8 @@ DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_AH, &UVERBS_TYPE_ALLOC_IDR(0, uverbs_free_ah)); DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_FLOW, - &UVERBS_TYPE_ALLOC_IDR(0, uverbs_free_flow)); + &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uflow_object), + 0, uverbs_free_flow)); DECLARE_UVERBS_NAMED_OBJECT(UVERBS_OBJECT_WQ, &UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uwq_object), 0, |