[dpdk-dev] [PATCH v4 08/12] doc: add details of rte_flow security actions

Aviad Yehezkel aviadye at dev.mellanox.co.il
Sun Oct 15 14:50:16 CEST 2017



On 10/15/2017 1:17 AM, Akhil Goyal wrote:
> From: Boris Pismenny <borisp at mellanox.com>
>
> Signed-off-by: Boris Pismenny <borisp at mellanox.com>
> Reviewed-by: John McNamara <john.mcnamara at intel.com>
> ---
>   doc/guides/prog_guide/rte_flow.rst | 84 +++++++++++++++++++++++++++++++++++++-
>   1 file changed, 82 insertions(+), 2 deletions(-)
>
> diff --git a/doc/guides/prog_guide/rte_flow.rst b/doc/guides/prog_guide/rte_flow.rst
> index 13e3dbe..ac1adf9 100644
> --- a/doc/guides/prog_guide/rte_flow.rst
> +++ b/doc/guides/prog_guide/rte_flow.rst
> @@ -187,7 +187,7 @@ Pattern item
>   Pattern items fall in two categories:
>   
>   - Matching protocol headers and packet data (ANY, RAW, ETH, VLAN, IPV4,
> -  IPV6, ICMP, UDP, TCP, SCTP, VXLAN, MPLS, GRE and so on), usually
> +  IPV6, ICMP, UDP, TCP, SCTP, VXLAN, MPLS, GRE, ESP and so on), usually
>     associated with a specification structure.
>   
>   - Matching meta-data or affecting pattern processing (END, VOID, INVERT, PF,
> @@ -972,6 +972,14 @@ flow rules.
>   - ``teid``: tunnel endpoint identifier.
>   - Default ``mask`` matches teid only.
>   
> +Item: ``ESP``
> +^^^^^^^^^^^^^
> +
> +Matches an ESP header.
> +
> +- ``hdr``: ESP header definition (``rte_esp.h``).
> +- Default ``mask`` matches SPI only.
> +
>   Actions
>   ~~~~~~~
>   
> @@ -989,7 +997,7 @@ They fall in three categories:
>     additional processing by subsequent flow rules.
>   
>   - Other non-terminating meta actions that do not affect the fate of packets
> -  (END, VOID, MARK, FLAG, COUNT).
> +  (END, VOID, MARK, FLAG, COUNT, SECURITY).
>   
>   When several actions are combined in a flow rule, they should all have
>   different types (e.g. dropping a packet twice is not possible).
> @@ -1371,6 +1379,78 @@ rule or if packets are not addressed to a VF in the first place.
>      | ``vf``       | VF ID to redirect packets to   |
>      +--------------+--------------------------------+
>   
> +Action: ``SECURITY``
> +^^^^^^^^^^^^^^^^^^^^
> +
> +Perform the security action on flows matched by the pattern items
> +according to the configuration of the security session.
> +
> +This action modifies the payload of matched flows. For INLINE_CRYPTO, the
> +security protocol headers and IV are fully provided by the application as
> +specified in the flow pattern. The payload of matching packets is
> +encrypted on egress, and decrypted and authenticated on ingress.
> +For INLINE_PROTOCOL, the security protocol is fully offloaded to HW,
> +providing full encapsulation and decapsulation of packets in security
> +protocols. The flow pattern specifies both the outer security header fields
> +and the inner packet fields. The security session specified in the action
> +must match the pattern parameters.
> +
> +The security session specified in the action must be created on the same
> +port as the flow action that is being specified.
> +
> +The ingress/egress flow attribute should match that specified in the
> +security session if the security session supports the definition of the
> +direction.
> +
> +Multiple flows can be configured to use the same security session.
> +
> +- Non-terminating by default.
> +
> +.. _table_rte_flow_action_security:
> +
> +.. table:: SECURITY
> +
> +   +----------------------+--------------------------------------+
> +   | Field                | Value                                |
> +   +======================+======================================+
> +   | ``security_session`` | security session to apply            |
> +   +----------------------+--------------------------------------+
> +
> +The following is an example of configuring IPsec inline using the
> +INLINE_CRYPTO security session:
> +
> +The encryption algorithm, keys and salt are part of the opaque
> +``rte_security_session``. The SA is identified according to the IP and ESP
> +fields in the pattern items.
> +
> +.. _table_rte_flow_item_esp_inline_example:
> +
> +.. table:: IPsec inline crypto flow pattern items.
> +
> +   +-------+----------+
> +   | Index | Item     |
> +   +=======+==========+
> +   | 0     | Ethernet |
> +   +-------+----------+
> +   | 1     | IPv4     |
> +   +-------+----------+
> +   | 2     | ESP      |
> +   +-------+----------+
> +   | 3     | END      |
> +   +-------+----------+
> +
> +.. _table_rte_flow_action_esp_inline_example:
> +
> +.. table:: IPsec inline flow actions.
> +
> +   +-------+----------+
> +   | Index | Action   |
> +   +=======+==========+
> +   | 0     | SECURITY |
> +   +-------+----------+
> +   | 1     | END      |
> +   +-------+----------+
> +
>   Negative types
>   ~~~~~~~~~~~~~~
>   

Tested-by: Aviad Yehezkel <aviadye at mellanox.com>



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