在 2021/1/28 8:20, Ferruh Yigit 写道:
On 1/20/2021 1:43 PM, Lijun Ou wrote:
From: "Min Hu (Connor)" <humin29@huawei.com>
Document FEC in NIC features, add information about FEC and add implementation related support.
Cc: stable@dpdk.org
Signed-off-by: Min Hu (Connor) <humin29@huawei.com> Signed-off-by: Lijun Ou <oulijun@huawei.com> --- doc/guides/nics/features.rst | 14 ++++++++++++++ doc/guides/nics/features/default.ini | 1 + 2 files changed, 15 insertions(+)
diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst index cf82e9d..ded5c16 100644 --- a/doc/guides/nics/features.rst +++ b/doc/guides/nics/features.rst @@ -926,6 +926,20 @@ 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()``. +
Feature doc looks good, thanks for adding this.
Can you add another patch in this series to update .ini files for hns3 & cxgbe to advertise FEC feature?
ok. I will do it in next version.
.. _nic_features_other: Other dev ops not represented by a Feature diff --git a/doc/guides/nics/features/default.ini b/doc/guides/nics/features/default.ini index ee786d3..562a681 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 = BSD nic_uio = Linux UIO = Linux VFIO =
"Linux UIO" etc renamed in this release, can you rebase on top of latest repo please? .