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From: vanshika.shukla@nxp.com
To: dev@dpdk.org, Hemant Agrawal <hemant.agrawal@nxp.com>,
Sachin Saxena <sachin.saxena@nxp.com>,
Anatoly Burakov <anatoly.burakov@intel.com>
Cc: Jun Yang <jun.yang@nxp.com>
Subject: [v5 01/42] net/dpaa2: enhance Tx scatter-gather mempool
Date: Wed, 23 Oct 2024 17:29:14 +0530
Message-Id: <20241023115955.1207617-2-vanshika.shukla@nxp.com>
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From: Jun Yang <jun.yang@nxp.com>
Create TX SG pool only for primary process and lookup
this pool in secondary process.
Signed-off-by: Jun Yang <jun.yang@nxp.com>
---
drivers/net/dpaa2/dpaa2_ethdev.c | 46 +++++++++++++++++++++++---------
1 file changed, 33 insertions(+), 13 deletions(-)
diff --git a/drivers/net/dpaa2/dpaa2_ethdev.c b/drivers/net/dpaa2/dpaa2_ethdev.c
index 7b3e587a8d..4b93606de1 100644
--- a/drivers/net/dpaa2/dpaa2_ethdev.c
+++ b/drivers/net/dpaa2/dpaa2_ethdev.c
@@ -2870,6 +2870,35 @@ int dpaa2_dev_is_dpaa2(struct rte_eth_dev *dev)
return dev->device->driver == &rte_dpaa2_pmd.driver;
}
+static int dpaa2_tx_sg_pool_init(void)
+{
+ char name[RTE_MEMZONE_NAMESIZE];
+
+ if (dpaa2_tx_sg_pool)
+ return 0;
+
+ sprintf(name, "dpaa2_mbuf_tx_sg_pool");
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ dpaa2_tx_sg_pool = rte_pktmbuf_pool_create(name,
+ DPAA2_POOL_SIZE,
+ DPAA2_POOL_CACHE_SIZE, 0,
+ DPAA2_MAX_SGS * sizeof(struct qbman_sge),
+ rte_socket_id());
+ if (!dpaa2_tx_sg_pool) {
+ DPAA2_PMD_ERR("SG pool creation failed");
+ return -ENOMEM;
+ }
+ } else {
+ dpaa2_tx_sg_pool = rte_mempool_lookup(name);
+ if (!dpaa2_tx_sg_pool) {
+ DPAA2_PMD_ERR("SG pool lookup failed");
+ return -ENOMEM;
+ }
+ }
+
+ return 0;
+}
+
static int
rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv,
struct rte_dpaa2_device *dpaa2_dev)
@@ -2924,19 +2953,10 @@ rte_dpaa2_probe(struct rte_dpaa2_driver *dpaa2_drv,
/* Invoke PMD device initialization function */
diag = dpaa2_dev_init(eth_dev);
- if (diag == 0) {
- if (!dpaa2_tx_sg_pool) {
- dpaa2_tx_sg_pool =
- rte_pktmbuf_pool_create("dpaa2_mbuf_tx_sg_pool",
- DPAA2_POOL_SIZE,
- DPAA2_POOL_CACHE_SIZE, 0,
- DPAA2_MAX_SGS * sizeof(struct qbman_sge),
- rte_socket_id());
- if (dpaa2_tx_sg_pool == NULL) {
- DPAA2_PMD_ERR("SG pool creation failed");
- return -ENOMEM;
- }
- }
+ if (!diag) {
+ diag = dpaa2_tx_sg_pool_init();
+ if (diag)
+ return diag;
rte_eth_dev_probing_finish(eth_dev);
dpaa2_valid_dev++;
return 0;
--
2.25.1