[PATCH 4/7] ethdev: introduce low latency RS FEC

[Dongdong Liu <liudongdong3@huawei.com>]

From: Jie Hai <haijie1@huawei.com>

This patch introduces LLRS (low latency Reed Solomon FEC).
LLRS supports for 25 Gbps, 50 Gbps, 100 Gbps, 200 Gbps and
400 Gbps Ethernet networks.

Signed-off-by: Jie Hai <haijie1@huawei.com>
Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>
---
 doc/guides/rel_notes/release_23_07.rst | 3 +++
 lib/ethdev/rte_ethdev.h                | 1 +
 2 files changed, 4 insertions(+)

diff --git a/doc/guides/rel_notes/release_23_07.rst b/doc/guides/rel_notes/release_23_07.rst
index a9b1293689..dcc4c84907 100644
--- a/doc/guides/rel_notes/release_23_07.rst
+++ b/doc/guides/rel_notes/release_23_07.rst
@@ -55,6 +55,9 @@ New Features
      Also, make sure to start the actual text at the margin.
      =======================================================
 
+* **Added LLRS FEC mode in ethdev.**
+
+  Added RTE_ETH_FEC_LLRS to rte_eth_fec_mode.
 
 Removed Items
 -------------
diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h
index 99fe9e238b..bea847fcc3 100644
--- a/lib/ethdev/rte_ethdev.h
+++ b/lib/ethdev/rte_ethdev.h
@@ -1916,6 +1916,7 @@ enum rte_eth_fec_mode {
 	RTE_ETH_FEC_AUTO,	    /**< FEC autonegotiation modes */
 	RTE_ETH_FEC_BASER,          /**< FEC using common algorithm */
 	RTE_ETH_FEC_RS,             /**< FEC using RS algorithm */
+	RTE_ETH_FEC_LLRS,           /**< FEC using LLRS algorithm */
 };
 
 /* Translate from FEC mode to FEC capa */
-- 
2.22.0