From: Kiran Kumar Kokkilagadda <kirankumark@marvell.com>
To: Ajit Khaparde <ajit.khaparde@broadcom.com>
Cc: Andrew Rybchenko <arybchenko@solarflare.com>,
Ferruh Yigit <ferruh.yigit@intel.com>,
Thomas Monjalon <thomas@monjalon.net>,
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Subject: Re: [dpdk-dev] [EXT] Re: [PATCH v2 1/2] ethdev: add level support for RSS offload types
Date: Fri, 14 Aug 2020 03:55:15 +0000 [thread overview]
Message-ID: <BYAPR18MB296515745F226B31DBE344EBAC400@BYAPR18MB2965.namprd18.prod.outlook.com> (raw)
In-Reply-To: <CACZ4nhsk-zwxb1ee7jX-1cz6k5R_-WuFeSrKD73ptthfXqq5KQ@mail.gmail.com>
From: Ajit Khaparde <ajit.khaparde@broadcom.com>
Sent: Saturday, August 8, 2020 8:10 PM
To: Kiran Kumar Kokkilagadda <kirankumark@marvell.com>
Cc: Andrew Rybchenko <arybchenko@solarflare.com>; Ferruh Yigit <ferruh.yigit@intel.com>; Thomas Monjalon <thomas@monjalon.net>; beilei.xing@intel.com; chas3@att.com; cloud.wangxiaoyun@huawei.com; cristian.dumitrescu@intel.com; dev@dpdk.org; grive@u256.net; hemant.agrawal@nxp.com; humin29@huawei.com; hyonkim@cisco.com; jasvinder.singh@intel.com; Jerin Jacob Kollanukkaran <jerinj@marvell.com>; jia.guo@intel.com; jingjing.wu@intel.com; johndale@cisco.com; keith.wiles@intel.com; Liron Himi <lironh@marvell.com>; matan@mellanox.com; Nithin Kumar Dabilpuram <ndabilpuram@marvell.com>; orika@mellanox.com; qi.z.zhang@intel.com; qiming.yang@intel.com; rahul.lakkireddy@chelsio.com; Rasesh Mody <rmody@marvell.com>; rosen.xu@intel.com; sachin.saxena@nxp.com; shahafs@mellanox.com; Shahed Shaikh <shshaikh@marvell.com>; somnath.kotur@broadcom.com; viacheslavo@mellanox.com; wei.zhao1@intel.com; xavier.huwei@huawei.com; xuanziyang2@huawei.com; yisen.zhuang@huawei.com; zhouguoyang@huawei.com
Subject: [EXT] Re: [dpdk-dev][PATCH v2 1/2] ethdev: add level support for RSS offload types
External Email
________________________________
On Sat, Aug 8, 2020 at 7:36 AM <kirankumark@marvell.com<mailto:kirankumark@marvell.com>> wrote:
From: Kiran Kumar K <kirankumark@marvell.com<mailto:kirankumark@marvell.com>>
This patch reserves 2 bits as input selection to select Inner and
outer layers for RSS computation. It is combined with existing
ETH_RSS_* to choose Inner or outer layers for L2, L3 and L4.
How do you plan to use this? Do you need to make any changes to testpmd?
I will update in the next version.
This functionality already exists in rte_flow through level parameter in
RSS action configuration rte_flow_action_rss.
Signed-off-by: Kiran Kumar K <kirankumark@marvell.com<mailto:kirankumark@marvell.com>>
---
v2 changes:
* Reserved bit 50 & 51
lib/librte_ethdev/rte_ethdev.h | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index d29930fd8..28184cc85 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -552,6 +552,33 @@ struct rte_eth_rss_conf {
#define RTE_ETH_RSS_L3_PRE64 (1ULL << 53)
#define RTE_ETH_RSS_L3_PRE96 (1ULL << 52)
+/*
+ * We use the following macros to combine with the above layers to choose
+ * inner and outer layers or both for RSS computation.
+ * Note: Default is 0: inner layers, 1: outer layers, 2: both
+ * bit 50 and 51 are reserved for this.
+ */
+
+/**
+ * Level 0, It basically stands for the innermost encapsulation level RSS
+ * can be performed on according to PMD and device capabilities.
+ */
+#define ETH_RSS_LEVEL_INNER (0ULL << 50)
+/**
+ * Level 1, It basically stands for the outermost encapsulation level RSS
+ * can be performed on according to PMD and device capabilities.
+ */
+#define ETH_RSS_LEVEL_OUTER (1ULL << 50)
+/**
+ * Level 2, It basically stands for the both inner and outermost
+ * encapsulation level RSS can be performed on according to PMD and
+ * device capabilities.
+ */
+#define ETH_RSS_LEVEL_INNER_OUTER (2ULL << 50)
+#define ETH_RSS_LEVEL_MASK (3ULL << 50)
+
+#define ETH_RSS_LEVEL(rss_hf) ((rss_hf & ETH_RSS_LEVEL_MASK) >> 50)
+
/**
* For input set change of hash filter, if SRC_ONLY and DST_ONLY of
* the same level are used simultaneously, it is the same case as
--
2.25.1
next prev parent reply other threads:[~2020-08-14 3:55 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-07 12:04 [dpdk-dev] [PATCH " kirankumark
2020-08-07 12:04 ` [dpdk-dev] [PATCH 2/2] net/octeontx2: add rss hash level support kirankumark
2020-08-08 14:36 ` [dpdk-dev] [PATCH v2 1/2] ethdev: add level support for RSS offload types kirankumark
2020-08-08 14:36 ` [dpdk-dev] [PATCH v2 2/2] net/octeontx2: add rss hash level support kirankumark
2020-08-08 14:40 ` [dpdk-dev] [PATCH v2 1/2] ethdev: add level support for RSS offload types Ajit Khaparde
2020-08-14 3:55 ` Kiran Kumar Kokkilagadda [this message]
2020-08-18 7:21 ` [dpdk-dev] [PATCH v3 " kirankumark
2020-08-18 7:21 ` [dpdk-dev] [PATCH v3 2/2] net/octeontx2: add rss hash level support kirankumark
2020-08-18 10:03 ` Jerin Jacob
2020-08-18 10:10 ` [dpdk-dev] [EXT] " Kiran Kumar Kokkilagadda
2020-08-18 10:31 ` [dpdk-dev] [PATCH v4 1/2] ethdev: add level support for RSS offload types kirankumark
2020-08-18 10:31 ` [dpdk-dev] [PATCH v4 2/2] net/octeontx2: add rss hash level support kirankumark
2020-08-18 10:52 ` [dpdk-dev] [PATCH v4 1/2] ethdev: add level support for RSS offload types Jeff Guo
2020-08-18 11:43 ` [dpdk-dev] [EXT] " Kiran Kumar Kokkilagadda
2020-08-19 6:04 ` [dpdk-dev] [PATCH v5 " kirankumark
2020-08-19 6:04 ` [dpdk-dev] [PATCH v5 2/2] net/octeontx2: add rss hash level support kirankumark
2020-08-20 3:19 ` [dpdk-dev] [PATCH v5 1/2] ethdev: add level support for RSS offload types Ajit Khaparde
2020-08-21 10:57 ` [dpdk-dev] [EXT] " Kiran Kumar Kokkilagadda
2020-08-21 11:03 ` [dpdk-dev] [PATCH v6 1/3] " kirankumark
2020-08-21 11:03 ` [dpdk-dev] [PATCH v6 2/3] app/testpmd: support ethdev rss level config kirankumark
2020-08-29 0:48 ` Ajit Khaparde
2020-08-21 11:03 ` [dpdk-dev] [PATCH v6 3/3] net/octeontx2: add rss hash level support kirankumark
2020-08-29 14:52 ` [dpdk-dev] [PATCH v6 1/3] ethdev: add level support for RSS offload types Andrew Rybchenko
2020-09-01 13:23 ` Ferruh Yigit
2020-09-01 3:27 ` [dpdk-dev] [PATCH v7 " kirankumark
2020-09-01 3:27 ` [dpdk-dev] [PATCH v7 2/3] app/testpmd: support ethdev rss level config kirankumark
2020-09-01 3:27 ` [dpdk-dev] [PATCH v7 3/3] net/octeontx2: add rss hash level support kirankumark
2020-09-01 13:37 ` [dpdk-dev] [PATCH v7 1/3] ethdev: add level support for RSS offload types Ferruh Yigit
2020-09-01 14:27 ` [dpdk-dev] [EXT] " Kiran Kumar Kokkilagadda
2020-09-01 14:44 ` Ferruh Yigit
2020-09-01 14:54 ` Ferruh Yigit
2020-09-01 17:11 ` Ajit Khaparde
2020-09-03 10:11 ` Kiran Kumar Kokkilagadda
2020-09-03 13:14 ` Ferruh Yigit
2020-09-07 8:12 ` Andrew Rybchenko
2020-09-08 19:40 ` Ajit Khaparde
2020-09-17 2:07 ` [dpdk-dev] [PATCH v8 " kirankumark
2020-09-17 2:07 ` [dpdk-dev] [PATCH v8 2/3] app/testpmd: support ethdev rss level config kirankumark
2020-09-17 18:58 ` Ajit Khaparde
2020-09-17 2:07 ` [dpdk-dev] [PATCH v8 3/3] net/octeontx2: add rss hash level support kirankumark
2020-09-17 9:36 ` [dpdk-dev] [PATCH v8 1/3] ethdev: add level support for RSS offload types Andrew Rybchenko
2020-09-17 18:56 ` Ajit Khaparde
2020-09-18 11:40 ` Ferruh Yigit
2020-08-18 17:39 ` [dpdk-dev] [PATCH v3 1/2] " Ajit Khaparde
2020-08-19 3:58 ` [dpdk-dev] [EXT] " Kiran Kumar Kokkilagadda
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