[PATCH v2 1/2] common/cnxk: enable second pass RQ in mask config

[Rahul Bhansali]

This will enable second pass RQ and drop interrupt by default in
mask configuration to avoid buffer leak possibilities during dev
stop and interrupts to indicate drops if any.

Signed-off-by: Rahul Bhansali <rbhansali at marvell.com>
---
Changes in v2: No change.

 drivers/common/cnxk/roc_features.h | 6 ++++++
 drivers/common/cnxk/roc_nix_inl.c  | 9 ++++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/common/cnxk/roc_features.h b/drivers/common/cnxk/roc_features.h
index 3b512be132..6abb35c296 100644
--- a/drivers/common/cnxk/roc_features.h
+++ b/drivers/common/cnxk/roc_features.h
@@ -90,4 +90,10 @@ roc_feature_nix_has_rx_inject(void)
 	return (roc_model_is_cn10ka_b0() || roc_model_is_cn10kb());
 }

+static inline bool
+roc_feature_nix_has_second_pass_drop(void)
+{
+	return 0;
+}
+
 #endif
diff --git a/drivers/common/cnxk/roc_nix_inl.c b/drivers/common/cnxk/roc_nix_inl.c
index 74a688abbd..a984ac56d9 100644
--- a/drivers/common/cnxk/roc_nix_inl.c
+++ b/drivers/common/cnxk/roc_nix_inl.c
@@ -734,6 +734,13 @@ nix_inl_rq_mask_cfg(struct roc_nix *roc_nix, bool enable)
 	msk_req->rq_set.xqe_drop_ena = 0;
 	msk_req->rq_set.spb_ena = 1;

+	if (!roc_feature_nix_has_second_pass_drop()) {
+		msk_req->rq_set.ena = 1;
+		msk_req->rq_set.rq_int_ena = 1;
+		msk_req->rq_mask.ena = 0;
+		msk_req->rq_mask.rq_int_ena = 0;
+	}
+
 	msk_req->rq_mask.len_ol3_dis = 0;
 	msk_req->rq_mask.len_ol4_dis = 0;
 	msk_req->rq_mask.len_il3_dis = 0;
@@ -1467,7 +1474,7 @@ roc_nix_inl_rq_ena_dis(struct roc_nix *roc_nix, bool enable)
 	if (!idev)
 		return -EFAULT;

-	if (roc_feature_nix_has_inl_rq_mask()) {
+	if (roc_feature_nix_has_inl_rq_mask() && enable) {
 		rc = nix_inl_rq_mask_cfg(roc_nix, enable);
 		if (rc) {
 			plt_err("Failed to get rq mask rc=%d", rc);
--
2.25.1