-.. BSD LICENSE
- Copyright(c) 2017 Intel Corporation. All rights reserved.
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- * Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
- * Neither the name of Intel Corporation nor the names of its
- contributors may be used to endorse or promote products derived
- from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.. SPDX-License-Identifier: BSD-3-Clause
+ Copyright(c) 2017 Intel Corporation.
Features Overview
=================
If a PMD advertises DEV_TX_OFFLOAD_MT_LOCKFREE capable, multiple threads can
invoke rte_eth_tx_burst() concurrently on the same Tx queue without SW lock.
-* **[provides] rte_eth_dev_info**: ``tx_offload_capa:DEV_TX_OFFLOAD_MT_LOCKFREE``.
+* **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_MT_LOCKFREE``.
+* **[provides] rte_eth_dev_info**: ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_MT_LOCKFREE``.
* **[related] API**: ``rte_eth_tx_burst()``.
+.. _nic_features_fast_mbuf_free:
+
+Fast mbuf free
+--------------
+
+Supports optimization for fast release of mbufs following successful Tx.
+Requires that per queue, all mbufs come from the same mempool and has refcnt = 1.
+
+* **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_MBUF_FAST_FREE``.
+* **[provides] rte_eth_dev_info**: ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_MBUF_FAST_FREE``.
+
+
.. _nic_features_free_tx_mbuf_on_demand:
Free Tx mbuf on demand
Supports TCP Segmentation Offloading.
+* **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_TCP_TSO``.
* **[uses] rte_eth_desc_lim**: ``nb_seg_max``, ``nb_mtu_seg_max``.
-* **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_TCP_SEG``.
+* **[uses] mbuf**: ``mbuf.ol_flags:`` ``PKT_TX_TCP_SEG``, ``PKT_TX_IPV4``, ``PKT_TX_IPV6``, ``PKT_TX_IP_CKSUM``.
* **[uses] mbuf**: ``mbuf.tso_segsz``, ``mbuf.l2_len``, ``mbuf.l3_len``, ``mbuf.l4_len``.
* **[implements] datapath**: ``TSO functionality``.
-* **[provides] rte_eth_dev_info**: ``tx_offload_capa:DEV_TX_OFFLOAD_TCP_TSO,DEV_TX_OFFLOAD_UDP_TSO``.
+* **[provides] rte_eth_dev_info**: ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_TCP_TSO,DEV_TX_OFFLOAD_UDP_TSO``.
.. _nic_features_promiscuous_mode:
* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_RSS_HASH``, ``mbuf.rss``.
+.. _nic_features_inner_rss:
+
+Inner RSS
+---------
+
+Supports RX RSS hashing on Inner headers.
+
+* **[uses] rte_flow_action_rss**: ``level``.
+* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_RSS_HASH``, ``mbuf.rss``.
+
+
.. _nic_features_rss_key_update:
RSS key update
* **[related] API**: ``rte_eth_dev_vlan_filter()``.
-.. _nic_features_ethertype_filter:
-
-Ethertype filter
-----------------
-
-Supports filtering on Ethernet type.
-
-* **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_ETHERTYPE``.
-* **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
-
-.. _nic_features_ntuple_filter:
-
-N-tuple filter
---------------
-
-Supports filtering on N-tuple values.
-
-* **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_NTUPLE``.
-* **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
-
-
-.. _nic_features_syn_filter:
-
-SYN filter
-----------
-
-Supports TCP syn filtering.
-
-* **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_SYN``.
-* **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
-
-
-.. _nic_features_tunnel_filter:
-
-Tunnel filter
--------------
-
-Supports tunnel filtering.
-
-* **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_TUNNEL``.
-* **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
-
-
-.. _nic_features_flexible_filter:
-
-Flexible filter
----------------
-
-Supports a flexible (non-tuple or Ethertype) filter.
-
-* **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_FLEXIBLE``.
-* **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
-
-
-.. _nic_features_hash_filter:
-
-Hash filter
------------
-
-Supports Hash filtering.
-
-* **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_HASH``.
-* **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
-
-
-.. _nic_features_flow_director:
-
-Flow director
--------------
-
-Supports Flow Director style filtering to queues.
-
-* **[implements] eth_dev_ops**: ``filter_ctrl:RTE_ETH_FILTER_FDIR``.
-* **[provides] mbuf**: ``mbuf.ol_flags:`` ``PKT_RX_FDIR``, ``PKT_RX_FDIR_ID``,
- ``PKT_RX_FDIR_FLX``.
-* **[related] API**: ``rte_eth_dev_filter_ctrl()``, ``rte_eth_dev_filter_supported()``.
-
-
.. _nic_features_flow_control:
Flow control
* **[related] API**: ``rte_eth_mirror_rule_set()``, ``rte_eth_mirror_rule_reset()``.
+.. _nic_features_inline_crypto_doc:
+
+Inline crypto
+-------------
+
+Supports inline crypto processing (e.g. inline IPsec). See Security library and PMD documentation for more details.
+
+* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_SECURITY``,
+* **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_SECURITY``.
+* **[implements] rte_security_ops**: ``session_create``, ``session_update``,
+ ``session_stats_get``, ``session_destroy``, ``set_pkt_metadata``, ``capabilities_get``.
+* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_SECURITY``,
+ ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_SECURITY``.
+* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_SEC_OFFLOAD``,
+ ``mbuf.ol_flags:PKT_TX_SEC_OFFLOAD``, ``mbuf.ol_flags:PKT_RX_SEC_OFFLOAD_FAILED``.
+
+
.. _nic_features_crc_offload:
CRC offload
-----------
Supports CRC stripping by hardware.
+A PMD assumed to support CRC stripping by default. PMD should advertise if it supports keeping CRC.
-* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_CRC_STRIP``.
+* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_KEEP_CRC``.
.. _nic_features_vlan_offload:
Supports VLAN offload to hardware.
* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_VLAN_STRIP,DEV_RX_OFFLOAD_VLAN_FILTER,DEV_RX_OFFLOAD_VLAN_EXTEND``.
+* **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_VLAN_INSERT``.
+* **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_VLAN``, ``mbuf.vlan_tci``.
* **[implements] eth_dev_ops**: ``vlan_offload_set``.
-* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_VLAN_STRIPPED``, ``mbuf.vlan_tci``.
+* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_VLAN_STRIPPED``, ``mbuf.ol_flags:PKT_RX_VLAN`` ``mbuf.vlan_tci``.
* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_VLAN_STRIP``,
- ``tx_offload_capa:DEV_TX_OFFLOAD_VLAN_INSERT``.
+ ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_VLAN_INSERT``.
* **[related] API**: ``rte_eth_dev_set_vlan_offload()``,
``rte_eth_dev_get_vlan_offload()``.
Supports QinQ (queue in queue) offload.
* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_QINQ_STRIP``.
-* **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_QINQ_PKT``.
-* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_QINQ_STRIPPED``, ``mbuf.vlan_tci``,
- ``mbuf.vlan_tci_outer``.
+* **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_QINQ_INSERT``.
+* **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_QINQ``, ``mbuf.vlan_tci_outer``.
+* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_QINQ_STRIPPED``, ``mbuf.ol_flags:PKT_RX_QINQ``,
+ ``mbuf.ol_flags:PKT_RX_VLAN_STRIPPED``, ``mbuf.ol_flags:PKT_RX_VLAN``
+ ``mbuf.vlan_tci``, ``mbuf.vlan_tci_outer``.
* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_QINQ_STRIP``,
- ``tx_offload_capa:DEV_TX_OFFLOAD_QINQ_INSERT``.
+ ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_QINQ_INSERT``.
.. _nic_features_l3_checksum_offload:
Supports L3 checksum offload.
* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_IPV4_CKSUM``.
+* **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_IPV4_CKSUM``.
* **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_IP_CKSUM``,
``mbuf.ol_flags:PKT_TX_IPV4`` | ``PKT_TX_IPV6``.
+* **[uses] mbuf**: ``mbuf.l2_len``, ``mbuf.l3_len``.
* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_IP_CKSUM_UNKNOWN`` |
``PKT_RX_IP_CKSUM_BAD`` | ``PKT_RX_IP_CKSUM_GOOD`` |
``PKT_RX_IP_CKSUM_NONE``.
* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_IPV4_CKSUM``,
- ``tx_offload_capa:DEV_TX_OFFLOAD_IPV4_CKSUM``.
+ ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_IPV4_CKSUM``.
.. _nic_features_l4_checksum_offload:
Supports L4 checksum offload.
-* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM``.
+* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM,DEV_RX_OFFLOAD_SCTP_CKSUM``.
+* **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_UDP_CKSUM,DEV_TX_OFFLOAD_TCP_CKSUM,DEV_TX_OFFLOAD_SCTP_CKSUM``.
* **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_IPV4`` | ``PKT_TX_IPV6``,
``mbuf.ol_flags:PKT_TX_L4_NO_CKSUM`` | ``PKT_TX_TCP_CKSUM`` |
``PKT_TX_SCTP_CKSUM`` | ``PKT_TX_UDP_CKSUM``.
+* **[uses] mbuf**: ``mbuf.l2_len``, ``mbuf.l3_len``.
* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_L4_CKSUM_UNKNOWN`` |
``PKT_RX_L4_CKSUM_BAD`` | ``PKT_RX_L4_CKSUM_GOOD`` |
``PKT_RX_L4_CKSUM_NONE``.
-* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM``,
- ``tx_offload_capa:DEV_TX_OFFLOAD_UDP_CKSUM,DEV_TX_OFFLOAD_TCP_CKSUM,DEV_TX_OFFLOAD_SCTP_CKSUM``.
+* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_UDP_CKSUM,DEV_RX_OFFLOAD_TCP_CKSUM,DEV_RX_OFFLOAD_SCTP_CKSUM``,
+ ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_UDP_CKSUM,DEV_TX_OFFLOAD_TCP_CKSUM,DEV_TX_OFFLOAD_SCTP_CKSUM``.
+.. _nic_features_hw_timestamp:
+
+Timestamp offload
+-----------------
+
+Supports Timestamp.
+
+* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_TIMESTAMP``.
+* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_TIMESTAMP``.
+* **[provides] mbuf**: ``mbuf.timestamp``.
+* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa: DEV_RX_OFFLOAD_TIMESTAMP``.
+* **[related] eth_dev_ops**: ``read_clock``.
.. _nic_features_macsec_offload:
Supports MACsec.
* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_MACSEC_STRIP``.
+* **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_MACSEC_INSERT``.
* **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_MACSEC``.
* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_MACSEC_STRIP``,
- ``tx_offload_capa:DEV_TX_OFFLOAD_MACSEC_INSERT``.
+ ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_MACSEC_INSERT``.
.. _nic_features_inner_l3_checksum:
Supports inner packet L3 checksum.
* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM``.
+* **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM``.
* **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_IP_CKSUM``,
``mbuf.ol_flags:PKT_TX_IPV4`` | ``PKT_TX_IPV6``,
``mbuf.ol_flags:PKT_TX_OUTER_IP_CKSUM``,
* **[uses] mbuf**: ``mbuf.outer_l2_len``, ``mbuf.outer_l3_len``.
* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_EIP_CKSUM_BAD``.
* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM``,
- ``tx_offload_capa:DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM``.
+ ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM``.
.. _nic_features_inner_l4_checksum:
Supports inner packet L4 checksum.
+* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_OUTER_UDP_CKSUM``.
+* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_OUTER_L4_CKSUM_UNKNOWN`` |
+ ``PKT_RX_OUTER_L4_CKSUM_BAD`` | ``PKT_RX_OUTER_L4_CKSUM_GOOD`` | ``PKT_RX_OUTER_L4_CKSUM_INVALID``.
+* **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_OUTER_UDP_CKSUM``.
+* **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_OUTER_IPV4`` | ``PKT_TX_OUTER_IPV6``.
+ ``mbuf.ol_flags:PKT_TX_OUTER_UDP_CKSUM``.
+* **[uses] mbuf**: ``mbuf.outer_l2_len``, ``mbuf.outer_l3_len``.
+* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_OUTER_UDP_CKSUM``,
+ ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_OUTER_UDP_CKSUM``.
+
.. _nic_features_packet_type_parsing:
-------------------
Supports packet type parsing and returns a list of supported types.
+Allows application to set ptypes it is interested in.
-* **[implements] eth_dev_ops**: ``dev_supported_ptypes_get``.
-* **[related] API**: ``rte_eth_dev_get_supported_ptypes()``.
+* **[implements] eth_dev_ops**: ``dev_supported_ptypes_get``,
+* **[related] API**: ``rte_eth_dev_get_supported_ptypes()``,
+ ``rte_eth_dev_set_ptypes()``, ``dev_ptypes_set``.
+* **[provides] mbuf**: ``mbuf.packet_type``.
.. _nic_features_timesync:
``rte_eth_dev_set_eeprom()``.
+.. _nic_features_module_eeprom_dump:
+
+Module EEPROM dump
+------------------
+
+Supports getting information and data of plugin module eeprom.
+
+* **[implements] eth_dev_ops**: ``get_module_info``, ``get_module_eeprom``.
+* **[related] API**: ``rte_eth_dev_get_module_info()``, ``rte_eth_dev_get_module_eeprom()``.
+
+
.. _nic_features_register_dump:
Registers dump
See ``dpdk.org/doc/perf/*``.
+.. _nic_features_runtime_rx_queue_setup:
+
+Runtime Rx queue setup
+----------------------
+
+Supports Rx queue setup after device started.
+
+* **[provides] rte_eth_dev_info**: ``dev_capa:RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP``.
+* **[related] API**: ``rte_eth_dev_info_get()``.
+
+.. _nic_features_runtime_tx_queue_setup:
+
+Runtime Tx queue setup
+----------------------
+
+Supports Tx queue setup after device started.
+
+* **[provides] rte_eth_dev_info**: ``dev_capa:RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP``.
+* **[related] API**: ``rte_eth_dev_info_get()``.
+
+.. _nic_features_burst_mode_info:
+
+Burst mode info
+---------------
+
+Supports to get Rx/Tx packet burst mode information.
+* **[implements] eth_dev_ops**: ``rx_burst_mode_get``, ``tx_burst_mode_get``.
+* **[related] API**: ``rte_eth_rx_burst_mode_get()``, ``rte_eth_tx_burst_mode_get()``.
.. _nic_features_other:
git.droids-corp.org / dpdk.git / blobdiff