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From: "Wei Hu (Xavier)" <huwei013@chinasoftinc.com>
To: <stable@dpdk.org>
Cc: <xavier.huwei@huawei.com>
Subject: [dpdk-stable] [PATCH 02/24] net/hns3: optimize default RSS algorithm
Date: Mon, 17 Aug 2020 17:25:10 +0800
Message-ID: <20200817092532.59530-3-huwei013@chinasoftinc.com> (raw)
In-Reply-To: <20200817092532.59530-1-huwei013@chinasoftinc.com>

From: Hao Chen <chenhao164@huawei.com>

[ upstream commit 8834849a9518db9cc79f5585ce15c4630ff0c0c9 ]

This patch changed the default algorithm of RSS from simle_xor to
toeplitz because toeplitz is used more frequently by upper applications
such as ceph.

Signed-off-by: Hao Chen <chenhao164@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
---
 drivers/net/hns3/hns3_rss.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/drivers/net/hns3/hns3_rss.c b/drivers/net/hns3/hns3_rss.c
index f19b79928..a6cab29c9 100644
--- a/drivers/net/hns3/hns3_rss.c
+++ b/drivers/net/hns3/hns3_rss.c
@@ -211,7 +211,11 @@ hns3_set_rss_tuple_by_rss_hf(struct hns3_hw *hw,
 			req->ipv6_fragment_en |= HNS3_IP_OTHER_BIT_MASK;
 			break;
 		default:
-			/* Other unsupported flow types won't change tuples */
+			/*
+			 * rss_hf doesn't include unsupported flow types
+			 * because the API framework has checked it, and
+			 * this branch will never go unless rss_hf is zero.
+			 */
 			break;
 		}
 	}
@@ -251,8 +255,8 @@ hns3_dev_rss_hash_update(struct rte_eth_dev *dev,
 	struct hns3_hw *hw = &hns->hw;
 	struct hns3_rss_tuple_cfg *tuple = &hw->rss_info.rss_tuple_sets;
 	struct hns3_rss_conf *rss_cfg = &hw->rss_info;
-	uint8_t algo = rss_cfg->conf.func;
 	uint8_t key_len = rss_conf->rss_key_len;
+	uint8_t algo;
 	uint64_t rss_hf = rss_conf->rss_hf;
 	uint8_t *key = rss_conf->rss_key;
 	int ret;
@@ -288,6 +292,8 @@ hns3_dev_rss_hash_update(struct rte_eth_dev *dev,
 			ret = -EINVAL;
 			goto conf_err;
 		}
+		algo = rss_cfg->conf.func == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR ?
+			HNS3_RSS_HASH_ALGO_SIMPLE : HNS3_RSS_HASH_ALGO_TOEPLITZ;
 		ret = hns3_set_rss_algo_key(hw, algo, key);
 		if (ret)
 			goto conf_err;
@@ -505,7 +511,9 @@ hns3_set_default_rss_args(struct hns3_hw *hw)
 	int i;
 
 	/* Default hash algorithm */
-	rss_cfg->conf.func = RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
+	rss_cfg->conf.func = RTE_ETH_HASH_FUNCTION_TOEPLITZ;
+
+	/* Default RSS key */
 	memcpy(rss_cfg->key, hns3_hash_key, HNS3_RSS_KEY_SIZE);
 
 	/* Initialize RSS indirection table */
-- 
2.27.0


  parent reply	other threads:[~2020-08-17  9:25 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-17  9:25 [dpdk-stable] [PATCH 00/24] backport for 19.11.4 Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 01/24] net/hns3: get link status change through mailbox Wei Hu (Xavier)
2020-08-17  9:25 ` Wei Hu (Xavier) [this message]
2020-08-17  9:25 ` [dpdk-stable] [PATCH 03/24] net/hns3: support setting VF MAC address by PF driver Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 04/24] net/hns3: remove unnecessary branch Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 05/24] net/hns3: support TSO Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 06/24] net/hns3: remove restriction on setting VF MTU Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 07/24] net/hns3: support promiscuous and allmulticast mode for VF Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 08/24] net/hns3: fix adding multicast MAC address Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 09/24] net/hns3: get Rx/Tx queue fbd in xstats Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 10/24] net/hns3: get Tx abnormal errors " Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 11/24] net/hns3: get PCI revision ID Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 12/24] net/hns3: check TSO segment size during Tx Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 13/24] net/hns3: support symmetric RSS Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 14/24] net/hns3: support LRO Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 15/24] net/hns3: decrease non-nearby memory access in Rx Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 16/24] net/hns3: support setting VF PVID by PF driver Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 17/24] net/hns3: get device capability in primary process Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 18/24] net/hns3: report Tx descriptor segment limitations Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 19/24] net/hns3: cleanup duplicated code on processing TSO in Tx Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 20/24] net/hns3: support copper media type Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 21/24] net/hns3: fix reassembling multiple segment packets in Tx Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 22/24] net/hns3: fix inserted VLAN tag position " Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 23/24] app/testpmd: remove hardcoded descriptors limit Wei Hu (Xavier)
2020-08-17  9:25 ` [dpdk-stable] [PATCH 24/24] net/bonding: change state machine to defaulted Wei Hu (Xavier)
2020-08-17  9:51 ` [dpdk-stable] [PATCH 00/24] backport for 19.11.4 Luca Boccassi
2020-08-17 11:54   ` Wei Hu (Xavier)
2020-08-17 13:42     ` Luca Boccassi
2020-08-18  3:25       ` Wei Hu (Xavier)
2020-08-18  6:49 ` [dpdk-stable] [PATCH v2 00/10] " Wei Hu (Xavier)
2020-08-18  6:49   ` [dpdk-stable] [PATCH v2 01/10] net/hns3: get link status change through mailbox Wei Hu (Xavier)
2020-08-18  6:49   ` [dpdk-stable] [PATCH v2 02/10] net/hns3: optimize default RSS algorithm Wei Hu (Xavier)
2020-08-18  6:49   ` [dpdk-stable] [PATCH v2 03/10] net/hns3: remove unnecessary branch Wei Hu (Xavier)
2020-08-18  6:49   ` [dpdk-stable] [PATCH v2 04/10] net/hns3: remove restriction on setting VF MTU Wei Hu (Xavier)
2020-08-18  6:49   ` [dpdk-stable] [PATCH v2 05/10] net/hns3: fix adding multicast MAC address Wei Hu (Xavier)
2020-08-18  6:49   ` [dpdk-stable] [PATCH v2 06/10] net/hns3: get device capability in primary process Wei Hu (Xavier)
2020-08-18  6:49   ` [dpdk-stable] [PATCH v2 07/10] net/hns3: report Tx descriptor segment limitations Wei Hu (Xavier)
2020-08-18  6:49   ` [dpdk-stable] [PATCH v2 08/10] net/hns3: fix reassembling multiple segment packets in Tx Wei Hu (Xavier)
2020-08-18  6:49   ` [dpdk-stable] [PATCH v2 09/10] app/testpmd: remove hardcoded descriptors limit Wei Hu (Xavier)
2020-08-18  6:49   ` [dpdk-stable] [PATCH v2 10/10] net/bonding: change state machine to defaulted Wei Hu (Xavier)
2020-08-18  7:15 ` [dpdk-stable] [PATCH v3 0/7] backport for 19.11.4 Wei Hu (Xavier)
2020-08-18  7:15   ` [dpdk-stable] [PATCH v3 1/7] net/hns3: get link status change through mailbox Wei Hu (Xavier)
2020-08-18  7:15   ` [dpdk-stable] [PATCH v3 2/7] net/hns3: optimize default RSS algorithm Wei Hu (Xavier)
2020-08-18  7:15   ` [dpdk-stable] [PATCH v3 3/7] net/hns3: remove unnecessary branch Wei Hu (Xavier)
2020-08-18  7:15   ` [dpdk-stable] [PATCH v3 4/7] net/hns3: remove restriction on setting VF MTU Wei Hu (Xavier)
2020-08-18  7:15   ` [dpdk-stable] [PATCH v3 5/7] net/hns3: fix adding multicast MAC address Wei Hu (Xavier)
2020-08-18  7:15   ` [dpdk-stable] [PATCH v3 6/7] app/testpmd: remove hardcoded descriptors limit Wei Hu (Xavier)
2020-08-18  7:15   ` [dpdk-stable] [PATCH v3 7/7] net/bonding: change state machine to defaulted Wei Hu (Xavier)
2020-08-18 18:00   ` [dpdk-stable] [PATCH v3 0/7] backport for 19.11.4 Luca Boccassi

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