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| 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.h | |
| parent | IB/uverbs: Add flow_action create and destroy verbs (diff) | |
| download | linux-dev-9b828441976ef719f1008a9855fff95a45e474b8.tar.xz linux-dev-9b828441976ef719f1008a9855fff95a45e474b8.zip | |
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.h')
| -rw-r--r-- | drivers/infiniband/core/uverbs.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index a94b5e7ee02a..1bac0b51686a 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -203,11 +203,18 @@ struct ib_ucq_object { u32 async_events_reported; }; +struct ib_uflow_resources; +struct ib_uflow_object { + struct ib_uobject uobject; + struct ib_uflow_resources *resources; +}; + extern const struct file_operations uverbs_event_fops; void ib_uverbs_init_event_queue(struct ib_uverbs_event_queue *ev_queue); struct file *ib_uverbs_alloc_async_event_file(struct ib_uverbs_file *uverbs_file, struct ib_device *ib_dev); void ib_uverbs_free_async_event_file(struct ib_uverbs_file *uverbs_file); +void ib_uverbs_flow_resources_free(struct ib_uflow_resources *uflow_res); void ib_uverbs_release_ucq(struct ib_uverbs_file *file, struct ib_uverbs_completion_event_file *ev_file, @@ -254,6 +261,7 @@ struct ib_uverbs_flow_spec { struct ib_uverbs_flow_spec_ipv6 ipv6; struct ib_uverbs_flow_spec_action_tag flow_tag; struct ib_uverbs_flow_spec_action_drop drop; + struct ib_uverbs_flow_spec_action_handle action; }; }; |