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From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>,
	Christian Koue Muf <ckm@napatech.com>,
	Serhii Iliushyk <sil-plv@napatech.com>
Subject: [PATCH 36/61] net/ntnic: replace use of rte_memcpy
Date: Wed, 19 Aug 2026 22:12:26 -0700	[thread overview]
Message-ID: <20260820052251.1453273-37-stephen@networkplumber.org> (raw)
In-Reply-To: <20260820052251.1453273-1-stephen@networkplumber.org>

The uses of rte_memcpy() in the RSS hash key update and get are
control path only. Regular memcpy() has no performance disadvantage
there and gets more compile time checking of the arguments.

The remaining uses of rte_memcpy() are left alone since they are on
the receive and transmit fast paths.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 drivers/net/ntnic/ntnic_ethdev.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/net/ntnic/ntnic_ethdev.c b/drivers/net/ntnic/ntnic_ethdev.c
index 7cc90a7a5b..a61e675bd1 100644
--- a/drivers/net/ntnic/ntnic_ethdev.c
+++ b/drivers/net/ntnic/ntnic_ethdev.c
@@ -1768,7 +1768,7 @@ static int eth_dev_rss_hash_update(struct rte_eth_dev *eth_dev, struct rte_eth_r
 			return -1;
 		}
 
-		rte_memcpy(&tmp_rss_conf.rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
+		memcpy(&tmp_rss_conf.rss_key, rss_conf->rss_key, rss_conf->rss_key_len);
 	}
 
 	tmp_rss_conf.algorithm = rss_conf->algorithm;
@@ -1778,7 +1778,8 @@ static int eth_dev_rss_hash_update(struct rte_eth_dev *eth_dev, struct rte_eth_r
 
 	if (res == 0) {
 		flow_filter_ops->nthw_mod_hsh_rcp_flush(&ndev->be, hsh_idx, 1);
-		rte_memcpy(&ndev->rss_conf, &tmp_rss_conf, sizeof(struct nt_eth_rss_conf));
+		memcpy(&ndev->rss_conf, &tmp_rss_conf,
+		       sizeof(struct nt_eth_rss_conf));
 
 	} else {
 		NT_LOG(ERR, NTNIC, "ERROR: - RSS hash update failed with error %i", res);
@@ -1803,7 +1804,7 @@ static int rss_hash_conf_get(struct rte_eth_dev *eth_dev, struct rte_eth_rss_con
 	if (rss_conf->rss_key != NULL) {
 		int key_len = RTE_MIN(rss_conf->rss_key_len, MAX_RSS_KEY_LEN);
 		memset(rss_conf->rss_key, 0, rss_conf->rss_key_len);
-		rte_memcpy(rss_conf->rss_key, &ndev->rss_conf.rss_key, key_len);
+		memcpy(rss_conf->rss_key, &ndev->rss_conf.rss_key, key_len);
 		rss_conf->rss_key_len = key_len;
 	}
 
@@ -2555,8 +2556,8 @@ nthw_pci_dev_init(struct rte_pci_device *pci_dev)
 		eth_dev->data->dev_private = internals;
 		eth_dev->data->mac_addrs = rte_malloc(NULL,
 					NUM_MAC_ADDRS_PER_PORT * sizeof(struct rte_ether_addr), 0);
-		rte_memcpy(&eth_dev->data->mac_addrs[0],
-					&internals->eth_addrs[0], RTE_ETHER_ADDR_LEN);
+		memcpy(&eth_dev->data->mac_addrs[0], &internals->eth_addrs[0],
+		       RTE_ETHER_ADDR_LEN);
 
 		NT_LOG_DBGX(DBG, NTNIC, "Setting up RX functions for SCG");
 		eth_dev->rx_pkt_burst = eth_dev_rx_scg;
-- 
2.53.0


  parent reply	other threads:[~2026-08-20  5:26 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-20  5:11 [PATCH 00/61] reduce use of rte_memcpy Stephen Hemminger
2026-08-20  5:11 ` [PATCH 01/61] devtools/cocci: add script to replace fixed size rte_memcpy Stephen Hemminger
2026-08-20  5:11 ` [PATCH 02/61] app/testpmd: replace rte_memcpy with memcpy Stephen Hemminger
2026-08-20  5:11 ` [PATCH 03/61] test: use memcpy instead of rte_memcpy Stephen Hemminger
2026-08-20  6:22   ` Morten Brørup
2026-08-20 16:22     ` Stephen Hemminger
2026-08-20  5:11 ` [PATCH 04/61] app/graph: replace rte_memcpy with memcpy Stephen Hemminger
2026-08-20  5:11 ` [PATCH 05/61] lpm: remove unnecessary include of rte_memcpy.h Stephen Hemminger
2026-08-20  5:11 ` [PATCH 06/61] acl: " Stephen Hemminger
2026-08-20  5:11 ` [PATCH 07/61] drivers/bus: " Stephen Hemminger
2026-08-20  5:11 ` [PATCH 08/61] security: replace fixed size rte_memcpy Stephen Hemminger
2026-08-20  5:11 ` [PATCH 09/61] ethdev: replace use of rte_memcpy Stephen Hemminger
2026-08-20  5:12 ` [PATCH 10/61] net: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 11/61] pdcp: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 12/61] eventdev: replace fixed size rte_memcpy Stephen Hemminger
2026-08-20  5:12 ` [PATCH 13/61] eal: replace rte_memcpy of cpuset Stephen Hemminger
2026-08-20  5:12 ` [PATCH 14/61] cryptodev: replace use of rte_memcpy Stephen Hemminger
2026-08-20  5:12 ` [PATCH 15/61] drivers/raw: use memcpy for fixed size data Stephen Hemminger
2026-08-20  5:12 ` [PATCH 16/61] test-pipeline: replace use of rte_memcpy Stephen Hemminger
2026-08-20  5:12 ` [PATCH 17/61] net/af_xdp: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 18/61] net/avp: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 19/61] net/axgbe: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 20/61] net/bnx2x: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 21/61] net/bnxt: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 22/61] net/bonding: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 23/61] net/cnxk: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 24/61] net/cxgbe: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 25/61] net/dpaa2: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 26/61] net/enic: " Stephen Hemminger
2026-08-20  9:05   ` Hyong Youb Kim (hyonkim)
2026-08-20  5:12 ` [PATCH 27/61] net/failsafe: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 28/61] net/gve: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 29/61] net/hinic: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 30/61] net/hns3: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 31/61] net/mlx5: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 32/61] net/mvpp2: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 33/61] net/netvsc: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 34/61] net/nfp: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 35/61] net/ngbe: " Stephen Hemminger
2026-08-20  5:12 ` Stephen Hemminger [this message]
2026-08-20  5:12 ` [PATCH 37/61] net/null: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 38/61] net/qede: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 39/61] net/ring: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 40/61] net/sfc: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 41/61] net/txgbe: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 42/61] net/vhost: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 43/61] net/virtio: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 44/61] net/sxe2: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 45/61] net/zxdh: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 46/61] net/memif: use memcpy for fixed size data Stephen Hemminger
2026-08-20  5:12 ` [PATCH 47/61] net/ice: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 48/61] test-bbdev: remove unnecessary include rte_memcpy.h Stephen Hemminger
2026-08-20  5:12 ` [PATCH 49/61] drivers/mempool: use memcpy for fixed size data Stephen Hemminger
2026-08-20  5:12 ` [PATCH 50/61] ml/cnxk: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 51/61] drivers/event: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 52/61] baseband/la12xx: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 53/61] baseband/acc: replace use of rte_memcpy Stephen Hemminger
2026-08-20  5:12 ` [PATCH 54/61] drivers/*/qat: use memcpy for fixed size data Stephen Hemminger
2026-08-20  5:12 ` [PATCH 55/61] hash: replace use of rte_memcpy Stephen Hemminger
2026-08-20  5:12 ` [PATCH 56/61] rib: remove rte_memcpy include Stephen Hemminger
2026-08-20  5:12 ` [PATCH 57/61] pcapng: replace use of rte_memcpy Stephen Hemminger
2026-08-20  5:12 ` [PATCH 58/61] efd: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 59/61] net/xsc: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 60/61] net/pcap: " Stephen Hemminger
2026-08-20  5:12 ` [PATCH 61/61] power: " Stephen Hemminger
2026-08-20  7:31 ` [PATCH 00/61] reduce " Morten Brørup
2026-08-20  8:16   ` Bruce Richardson
2026-08-20  8:46   ` Konstantin Ananyev
2026-08-20  9:03     ` Morten Brørup
2026-08-20 13:07       ` Konstantin Ananyev
2026-08-20 14:00         ` Morten Brørup

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