doc: convert Intel license headers to SPDX tags

[dpdk.git] / doc / guides / nics / features.rst

diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst
index 17745da..1b4fb97 100644 (file)
--- a/doc/guides/nics/features.rst
+++ b/doc/guides/nics/features.rst
@@ -1,32 +1,5 @@
-..  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
 =================
@@ -136,6 +109,18 @@ invoke rte_eth_tx_burst() concurrently on the same Tx queue without SW lock.
 * **[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
@@ -494,6 +479,23 @@ Supports adding traffic mirroring rules.
 * **[related]    API**: ``rte_eth_mirror_rule_set()``, ``rte_eth_mirror_rule_reset()``.
 
 
+.. _nic_features_inline_crypto_doc:
+
+Inline crypto
+-------------
+
+Supports inline crypto processing (eg. 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
@@ -564,6 +566,7 @@ 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_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_UDP_CKSUM,DEV_TX_OFFLOAD_TCP_CKSUM,DEV_TX_OFFLOAD_SCTP_CKSUM``.
+* **[uses]     user config**: ``dev_conf.rxmode.hw_ip_checksum``.
 * **[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``.
@@ -573,6 +576,17 @@ Supports L4 checksum offload.
 * **[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,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``.
 
 .. _nic_features_macsec_offload: