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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 /include/rdma/ib_verbs.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 'include/rdma/ib_verbs.h')
| -rw-r--r-- | include/rdma/ib_verbs.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 49da92143341..c1b9cba79710 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1836,6 +1836,7 @@ enum ib_flow_spec_type { /* Actions */ IB_FLOW_SPEC_ACTION_TAG = 0x1000, IB_FLOW_SPEC_ACTION_DROP = 0x1001, + IB_FLOW_SPEC_ACTION_HANDLE = 0x1002, }; #define IB_FLOW_SPEC_LAYER_MASK 0xF0 #define IB_FLOW_SPEC_SUPPORT_LAYERS 8 @@ -1969,6 +1970,12 @@ struct ib_flow_spec_action_drop { u16 size; }; +struct ib_flow_spec_action_handle { + enum ib_flow_spec_type type; + u16 size; + struct ib_flow_action *act; +}; + union ib_flow_spec { struct { u32 type; @@ -1982,6 +1989,7 @@ union ib_flow_spec { struct ib_flow_spec_tunnel tunnel; struct ib_flow_spec_action_tag flow_tag; struct ib_flow_spec_action_drop drop; + struct ib_flow_spec_action_handle action; }; struct ib_flow_attr { |