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IB/uverbs: Add modify ESP flow_action

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flow_actions of ESP type could be modified during runtime. This could be
common for example when ESN should be changed. Adding a new
UVERBS_FLOW_ACTION_ESP_MODIFY method for changing ESP parameters of an
existing ESP flow_action.
The new method uses the UVERBS_FLOW_ACTION_ESP_CREATE attributes, but
adds a new IB_FLOW_ACTION_ESP_FLAGS_MOD_ESP_ATTRS which means ESP_ATTRS
should be changed.
In addition, we add a new FLOW_ACTION_ESP_REPLAY_NONE replay type that
could be used when one wants to disable a replay protection over a
specific flow_action.

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>
This commit is contained in:
Matan Barak
2018-03-28 09:27:48 +03:00
committed by Jason Gunthorpe
parent 21e82d3e1d
commit 7d12f8d5a1
3 changed files with 97 additions and 5 deletions
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4
include/rdma/ib_verbs.h
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@@ -2038,6 +2038,7 @@ enum ib_flow_action_attrs_esp_flags {
/* Kernel flags */
IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED = 1ULL << 32,
IB_FLOW_ACTION_ESP_FLAGS_MOD_ESP_ATTRS = 1ULL << 33,
};
struct ib_flow_spec_list {
@@ -2404,6 +2405,9 @@ struct ib_device {
const struct ib_flow_action_attrs_esp *attr,
struct uverbs_attr_bundle *attrs);
int (*destroy_flow_action)(struct ib_flow_action *action);
int (*modify_flow_action_esp)(struct ib_flow_action *action,
const struct ib_flow_action_attrs_esp *attr,
struct uverbs_attr_bundle *attrs);
/**
* rdma netdev operation