[PATCH v2 01/12] common/cnxk: use computed value for WQE skip

[Nithin Dabilpuram]

Use computed value for WQE skip instead of a hardcoded value.
WQE skip needs to be number of 128B lines to accommodate rte_mbuf.

Signed-off-by: Nithin Dabilpuram <ndabilpuram at marvell.com>
---
Depends-on: series=23500 ("common/cnxk: add cnf10kb support")

v2:
- Fixed commit message in 10/12, 1/12 patches

 drivers/common/cnxk/roc_nix_inl.h        | 2 +-
 drivers/common/cnxk/roc_nix_inl_priv.h   | 2 +-
 drivers/event/cnxk/cnxk_eventdev_adptr.c | 5 ++++-
 drivers/net/cnxk/cnxk_ethdev_sec.c       | 5 ++++-
 4 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/common/cnxk/roc_nix_inl.h b/drivers/common/cnxk/roc_nix_inl.h
index b1b4c5b..c7b1817 100644
--- a/drivers/common/cnxk/roc_nix_inl.h
+++ b/drivers/common/cnxk/roc_nix_inl.h
@@ -131,7 +131,7 @@ struct roc_nix_inl_dev {
 	uint16_t channel;
 	uint16_t chan_mask;
 	bool attach_cptlf;
-	bool wqe_skip;
+	uint16_t wqe_skip;
 	uint8_t spb_drop_pc;
 	uint8_t lpb_drop_pc;
 	bool set_soft_exp_poll;
diff --git a/drivers/common/cnxk/roc_nix_inl_priv.h b/drivers/common/cnxk/roc_nix_inl_priv.h
index d61c7b2..a775efc 100644
--- a/drivers/common/cnxk/roc_nix_inl_priv.h
+++ b/drivers/common/cnxk/roc_nix_inl_priv.h
@@ -84,7 +84,7 @@ struct nix_inl_dev {
 	uint32_t ipsec_in_max_spi;
 	uint32_t inb_spi_mask;
 	bool attach_cptlf;
-	bool wqe_skip;
+	uint16_t wqe_skip;
 	bool ts_ena;
 };
 
diff --git a/drivers/event/cnxk/cnxk_eventdev_adptr.c b/drivers/event/cnxk/cnxk_eventdev_adptr.c
index fa96090..cf5b1dd 100644
--- a/drivers/event/cnxk/cnxk_eventdev_adptr.c
+++ b/drivers/event/cnxk/cnxk_eventdev_adptr.c
@@ -125,6 +125,7 @@ cnxk_sso_rxq_enable(struct cnxk_eth_dev *cnxk_eth_dev, uint16_t rq_id,
 {
 	struct roc_nix *nix = &cnxk_eth_dev->nix;
 	struct roc_nix_rq *rq;
+	uint16_t wqe_skip;
 	int rc;
 
 	rq = &cnxk_eth_dev->rqs[rq_id];
@@ -132,7 +133,9 @@ cnxk_sso_rxq_enable(struct cnxk_eth_dev *cnxk_eth_dev, uint16_t rq_id,
 	rq->tt = ev->sched_type;
 	rq->hwgrp = ev->queue_id;
 	rq->flow_tag_width = 20;
-	rq->wqe_skip = 1;
+	wqe_skip = RTE_ALIGN_CEIL(sizeof(struct rte_mbuf), ROC_CACHE_LINE_SZ);
+	wqe_skip = wqe_skip / ROC_CACHE_LINE_SZ;
+	rq->wqe_skip = wqe_skip;
 	rq->tag_mask = (port_id & 0xF) << 20;
 	rq->tag_mask |= (((port_id >> 4) & 0xF) | (RTE_EVENT_TYPE_ETHDEV << 4))
 			<< 24;
diff --git a/drivers/net/cnxk/cnxk_ethdev_sec.c b/drivers/net/cnxk/cnxk_ethdev_sec.c
index d01ebb4..1de3454 100644
--- a/drivers/net/cnxk/cnxk_ethdev_sec.c
+++ b/drivers/net/cnxk/cnxk_ethdev_sec.c
@@ -264,6 +264,7 @@ cnxk_nix_inl_dev_probe(struct rte_pci_driver *pci_drv,
 	char name[CNXK_NIX_INL_DEV_NAME_LEN];
 	struct roc_nix_inl_dev *inl_dev;
 	const struct rte_memzone *mz;
+	uint16_t wqe_skip;
 	int rc = -ENOMEM;
 
 	RTE_SET_USED(pci_drv);
@@ -295,7 +296,9 @@ cnxk_nix_inl_dev_probe(struct rte_pci_driver *pci_drv,
 
 	inl_dev->attach_cptlf = true;
 	/* WQE skip is one for DPDK */
-	inl_dev->wqe_skip = true;
+	wqe_skip = RTE_ALIGN_CEIL(sizeof(struct rte_mbuf), ROC_CACHE_LINE_SZ);
+	wqe_skip = wqe_skip / ROC_CACHE_LINE_SZ;
+	inl_dev->wqe_skip = wqe_skip;
 	inl_dev->set_soft_exp_poll = true;
 	rc = roc_nix_inl_dev_init(inl_dev);
 	if (rc) {
-- 
2.8.4