[dpdk-dev] [PATCH v3 1/3] doc: add FEC in NIC features
From: Lijun Ou <hidden>
Date: 2021-01-29 09:22:57
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: "Min Hu (Connor)" <redacted>
Document FEC in NIC features, add information about FEC and add
implementation related support.
Fixes: b7ccfb09da95 ("ethdev: introduce FEC API")
Fixes: 9bf2ea8dbc65 ("net/hns3: support FEC")
Fixes: 62aafe035896 ("net/cxgbe: support configuring link FEC")
Cc: stable@dpdk.org
Signed-off-by: Min Hu (Connor) <redacted>
Signed-off-by: Lijun Ou <redacted>
---
V2->V3:
- merge patch 2 and patch 3 into patch 1 according to Thomas Monjalon's
advice.
- fix format errors in hns3.ini and cxgbe.ini
V1->V2:
- add Fixes for indicating that the driver is updated synchronously.
---
doc/guides/nics/features.rst | 14 ++++++++++++++
doc/guides/nics/features/cxgbe.ini | 1 +
doc/guides/nics/features/default.ini | 1 +
doc/guides/nics/features/hns3.ini | 1 +
4 files changed, 17 insertions(+)
diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst
index 59beb47..fed98bf 100644
--- a/doc/guides/nics/features.rst
+++ b/doc/guides/nics/features.rst@@ -908,6 +908,20 @@ 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_fec: + +FEC +--- + +Supports Forward error correction. Forward error correction (FEC) is a bit error correction mode. +It adds error correction information to data packets at the transmit end, and uses the error correction +information to correct the bit errors generated during data packet transmission at the receive end. This +improves signal quality but also brings a delay to signals. This function can be enabled or disabled as required. + +* **[implements] eth_dev_ops**: ``fec_get_capability``, ``fec_get``, ``fec_set``. +* **[provides] rte_eth_fec_capa**: ``speed:ETH_SPEED_NUM_*``, ``capa:RTE_ETH_FEC_MODE_TO_CAPA()``. +* **[related] API**: ``rte_eth_fec_get_capability()``, ``rte_eth_fec_get()``, ``rte_eth_fec_set()``. + .. _nic_features_other: Other dev ops not represented by a Feature
diff --git a/doc/guides/nics/features/cxgbe.ini b/doc/guides/nics/features/cxgbe.ini
index f913215..fea7d4d 100644
--- a/doc/guides/nics/features/cxgbe.ini
+++ b/doc/guides/nics/features/cxgbe.ini@@ -28,6 +28,7 @@ Stats per queue = Y EEPROM dump = Y Registers dump = Y Multiprocess aware = Y +FEC = Y FreeBSD = Y Linux = Y x86-32 = Y
diff --git a/doc/guides/nics/features/default.ini b/doc/guides/nics/features/default.ini
index 8d89278..f0d89da 100644
--- a/doc/guides/nics/features/default.ini
+++ b/doc/guides/nics/features/default.ini@@ -65,6 +65,7 @@ Module EEPROM dump = Registers dump = LED = Multiprocess aware = +FEC = FreeBSD = Linux = Windows =
diff --git a/doc/guides/nics/features/hns3.ini b/doc/guides/nics/features/hns3.ini
index a467396..452a7b5 100644
--- a/doc/guides/nics/features/hns3.ini
+++ b/doc/guides/nics/features/hns3.ini@@ -39,5 +39,6 @@ Stats per queue = Y FW version = Y Registers dump = Y Multiprocess aware = Y +FEC = Y Linux = Y ARMv8 = Y
--
2.7.4