Wait for CPT flow control on WQE path. This is to
avoid CPT queue overflow and thereby a CPT misc
interrupt.
Signed-off-by: Nithin Dabilpuram <ndabilpu...@marvell.com>
---
drivers/net/cnxk/cn10k_tx.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/net/cnxk/cn10k_tx.h b/drivers/net/cnxk/cn10k_tx.h
index 07c88a974e..f5205da0e2 100644
--- a/drivers/net/cnxk/cn10k_tx.h
+++ b/drivers/net/cnxk/cn10k_tx.h
@@ -233,6 +233,16 @@ cn10k_nix_tx_skeleton(struct cn10k_eth_txq *txq, uint64_t
*cmd,
}
}
+static __rte_always_inline void
+cn10k_nix_sec_fc_wait_one(struct cn10k_eth_txq *txq)
+{
+ uint64_t nb_desc = txq->cpt_desc;
+ uint64_t *fc = txq->cpt_fc;
+
+ while (nb_desc <= __atomic_load_n(fc, __ATOMIC_RELAXED))
+ ;
+}
+
static __rte_always_inline void
cn10k_nix_sec_fc_wait(struct cn10k_eth_txq *txq, uint16_t nb_pkts)
{
--
2.25.1
