From: Nithin Dabilpuram <ndabilpuram@marvell.com>
Date: Fri, 1 Oct 2021 13:40:02 +0000 (+0530)
Subject: common/cnxk: disable CQ drop when inline inbound is enabled
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b4ea958b973f0eb4d4b25c9c5c4cdc8d578a62db;p=dpdk.git

common/cnxk: disable CQ drop when inline inbound is enabled

Disable CQ drop when inline inbound is enabled. CQ drop
is not supported for second pass IPsec decrypted packets.

Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
---

diff --git a/drivers/common/cnxk/roc_nix_queue.c b/drivers/common/cnxk/roc_nix_queue.c
index 41e8f2ce21..41a1422b1f 100644
--- a/drivers/common/cnxk/roc_nix_queue.c
+++ b/drivers/common/cnxk/roc_nix_queue.c
@@ -492,15 +492,20 @@ roc_nix_cq_init(struct roc_nix *roc_nix, struct roc_nix_cq *cq)
 		cq->drop_thresh = min_rx_drop;
 	} else {
 		cq->drop_thresh = NIX_CQ_THRESH_LEVEL;
-		cq_ctx->drop = cq->drop_thresh;
-		cq_ctx->drop_ena = 1;
+		/* Drop processing or red drop cannot be enabled due to
+		 * due to packets coming for second pass from CPT.
+		 */
+		if (!roc_nix_inl_inb_is_enabled(roc_nix)) {
+			cq_ctx->drop = cq->drop_thresh;
+			cq_ctx->drop_ena = 1;
+		}
 	}
 
 	/* TX pause frames enable flow ctrl on RX side */
 	if (nix->tx_pause) {
 		/* Single BPID is allocated for all rx channels for now */
 		cq_ctx->bpid = nix->bpid[0];
-		cq_ctx->bp = cq_ctx->drop;
+		cq_ctx->bp = cq->drop_thresh;
 		cq_ctx->bp_ena = 1;
 	}