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From: <kirankumark@marvell.com>
To: Aman Singh <aman.deep.singh@intel.com>, Thomas Monjalon
<thomas@monjalon.net>, Ferruh Yigit <ferruh.yigit@amd.com>,
Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
CC: <dev@dpdk.org>, Kiran Kumar K <kirankumark@marvell.com>
Subject: [PATCH v4 1/2] ethdev: support RSS based on RoCEv2 header
Date: Wed, 30 Apr 2025 15:50:10 +0530
Message-ID: <20250430102011.991865-1-kirankumark@marvell.com>
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From: Kiran Kumar K <kirankumark@marvell.com>
On supporting hardware, RoCEv2 header can be used to
perform RSS in the ingress path.
Signed-off-by: Kiran Kumar K <kirankumark@marvell.com>
---
* v4 Changes:
- Fix checkpatch issues
app/test-pmd/config.c | 5 ++++-
doc/guides/rel_notes/release_25_07.rst | 3 +++
lib/ethdev/rte_ethdev.h | 1 +
3 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index e89af21cec..043d5ec5fb 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -92,7 +92,9 @@ const struct rss_type_info rss_type_table[] = {
{ "all", RTE_ETH_RSS_ETH | RTE_ETH_RSS_VLAN | RTE_ETH_RSS_IP | RTE_ETH_RSS_TCP |
RTE_ETH_RSS_UDP | RTE_ETH_RSS_SCTP | RTE_ETH_RSS_L2_PAYLOAD |
RTE_ETH_RSS_L2TPV3 | RTE_ETH_RSS_ESP | RTE_ETH_RSS_AH | RTE_ETH_RSS_PFCP |
- RTE_ETH_RSS_GTPU | RTE_ETH_RSS_ECPRI | RTE_ETH_RSS_MPLS | RTE_ETH_RSS_L2TPV2},
+ RTE_ETH_RSS_GTPU | RTE_ETH_RSS_ECPRI | RTE_ETH_RSS_MPLS | RTE_ETH_RSS_L2TPV2 |
+ RTE_ETH_RSS_IB_BTH },
+
{ "none", 0 },
{ "ip", RTE_ETH_RSS_IP },
{ "udp", RTE_ETH_RSS_UDP },
@@ -149,6 +151,7 @@ const struct rss_type_info rss_type_table[] = {
{ "l3-dst-only", RTE_ETH_RSS_L3_DST_ONLY },
{ "l3-src-only", RTE_ETH_RSS_L3_SRC_ONLY },
{ "ipv6-flow-label", RTE_ETH_RSS_IPV6_FLOW_LABEL },
+ { "ib_bth", RTE_ETH_RSS_IB_BTH },
{ NULL, 0},
};
diff --git a/doc/guides/rel_notes/release_25_07.rst b/doc/guides/rel_notes/release_25_07.rst
index 093b85d206..1da999685f 100644
--- a/doc/guides/rel_notes/release_25_07.rst
+++ b/doc/guides/rel_notes/release_25_07.rst
@@ -54,6 +54,9 @@ New Features
This section is a comment. Do not overwrite or remove it.
Also, make sure to start the actual text at the margin.
=======================================================
+* **Added new RSS offload types for IB_BTH in RSS flow.**
+
+ Added ``RTE_ETH_RSS_IB_BTH`` macro so that the IB BTH header can be used as input set for RSS.
Removed Items
diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h
index ea7f8c4a1a..edcd6b75b5 100644
--- a/lib/ethdev/rte_ethdev.h
+++ b/lib/ethdev/rte_ethdev.h
@@ -602,6 +602,7 @@ struct rte_eth_rss_conf {
#define RTE_ETH_RSS_L2TPV2 RTE_BIT64(36)
#define RTE_ETH_RSS_IPV6_FLOW_LABEL RTE_BIT64(37)
+#define RTE_ETH_RSS_IB_BTH RTE_BIT64(38)
/*
* We use the following macros to combine with above RTE_ETH_RSS_* for
--
2.48.1