From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
	by inbox.dpdk.org (Postfix) with ESMTP id 6D70643723;
	Wed, 20 Dec 2023 10:44:52 +0100 (CET)
Received: from mails.dpdk.org (localhost [127.0.0.1])
	by mails.dpdk.org (Postfix) with ESMTP id 5D7F540291;
	Wed, 20 Dec 2023 10:44:52 +0100 (CET)
Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com
 [67.231.156.173])
 by mails.dpdk.org (Postfix) with ESMTP id 88E9440266
 for <dev@dpdk.org>; Wed, 20 Dec 2023 10:44:50 +0100 (CET)
Received: from pps.filterd (m0045851.ppops.net [127.0.0.1])
 by mx0b-0016f401.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id
 3BK0WmOb028355 for <dev@dpdk.org>; Wed, 20 Dec 2023 01:44:50 -0800
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=
 from:to:cc:subject:date:message-id:in-reply-to:references
 :mime-version:content-transfer-encoding:content-type; s=
 pfpt0220; bh=xk2yJTouPkq1/evgH4yuelIAyUmk+lZAUtueXfgyg7Y=; b=Uxe
 FsuBDDD/SGeMBp7RcXM4Tk8XGS3Vt4GmGwIsk7iqQR2K48RciRutENQhW791AD7c
 PSnURRKRRYf+oLyxMliXQefGaMm7mHYMnoPx9aBQKR8dW31xCikefX1QGHOW+bAd
 +2Nsobg57ImKF12QJfooKCnKVXXrxq5I/HTalJk2y/xsd3Mei5TnENzYw8NN+OAN
 9y06SuN85tVto3EasEdwpmlHzk8xqFuacRphi1xYTZH3HLOdbG1QXAzlGNC6wa16
 D74dJEwFNaINiovI1EXCyTpUivGvijHKFBGNFbvSUO9C/bVQMDFH2mPO7AgrNx/8
 RiJHbM/N92xOGnP8CMw==
Received: from dc5-exch02.marvell.com ([199.233.59.182])
 by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3v3ntrhdrx-1
 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT)
 for <dev@dpdk.org>; Wed, 20 Dec 2023 01:44:49 -0800 (PST)
Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com
 (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.48;
 Wed, 20 Dec 2023 01:44:47 -0800
Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com
 (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.48 via Frontend
 Transport; Wed, 20 Dec 2023 01:44:47 -0800
Received: from localhost.localdomain (unknown [10.28.36.154])
 by maili.marvell.com (Postfix) with ESMTP id B0FAD3F7054;
 Wed, 20 Dec 2023 01:44:45 -0800 (PST)
From: Rakesh Kudurumalla <rkudurumalla@marvell.com>
To: Nithin Dabilpuram <ndabilpuram@marvell.com>, Pavan Nikhilesh
 <pbhagavatula@marvell.com>
CC: <dev@dpdk.org>, <jerinj@marvell.com>, Rakesh Kudurumalla
 <rkudurumalla@marvell.com>
Subject: [PATCH v7 1/3] node: support to add next node to ethdev Rx node
Date: Wed, 20 Dec 2023 15:14:41 +0530
Message-ID: <20231220094443.760544-1-rkudurumalla@marvell.com>
X-Mailer: git-send-email 2.25.1
In-Reply-To: <20231220085942.759954-1-rkudurumalla@marvell.com>
References: <20231220085942.759954-1-rkudurumalla@marvell.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Content-Type: text/plain
X-Proofpoint-GUID: RyUYz3s26ZOEI2bDY4Av35RYaMFQo1Jl
X-Proofpoint-ORIG-GUID: RyUYz3s26ZOEI2bDY4Av35RYaMFQo1Jl
X-Proofpoint-Virus-Version: vendor=baseguard
 engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26
 definitions=2023-12-09_02,2023-12-07_01,2023-05-22_02
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
 <mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
 <mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org

By default all packets received on ethdev_rx node
is forwarded to pkt_cls node.This patch provides
library support to add a new node as next node to
ethdev_rx node and forward packet to new node from
rx node.

Signed-off-by: Rakesh Kudurumalla <rkudurumalla@marvell.com>
---
v7: 
   Remove warning
 lib/node/ethdev_ctrl.c      | 49 ++++++++++++++++++++++++++++++++++++-
 lib/node/rte_node_eth_api.h | 18 ++++++++++++++
 lib/node/version.map        |  3 +++
 3 files changed, 69 insertions(+), 1 deletion(-)

diff --git a/lib/node/ethdev_ctrl.c b/lib/node/ethdev_ctrl.c
index d564b80e37..ab54b7f0d4 100644
--- a/lib/node/ethdev_ctrl.c
+++ b/lib/node/ethdev_ctrl.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  * Copyright(C) 2020 Marvell International Ltd.
  */
-
+#include <errno.h>
 #include <stdlib.h>
 
 #include <rte_ethdev.h>
@@ -129,3 +129,50 @@ rte_node_eth_config(struct rte_node_ethdev_config *conf, uint16_t nb_confs,
 	ctrl.nb_graphs = nb_graphs;
 	return 0;
 }
+
+int
+rte_node_ethdev_rx_next_update(rte_node_t id, const char *edge_name)
+{
+	struct ethdev_rx_node_main *data;
+	ethdev_rx_node_elem_t *elem;
+	char **next_nodes;
+	int rc = -EINVAL;
+	uint32_t size;
+	uint16_t i = 0;
+
+	if (edge_name == NULL)
+		goto exit;
+
+	size = rte_node_edge_get(id, NULL);
+
+	if (size == RTE_NODE_ID_INVALID)
+		goto exit;
+
+	next_nodes = calloc(size + 1, sizeof(*next_nodes));
+	if (next_nodes == NULL) {
+		rc = -ENOMEM;
+		goto exit;
+	}
+
+	size = rte_node_edge_get(id, next_nodes);
+
+	while (next_nodes[i] != NULL) {
+		if (strcmp(edge_name, next_nodes[i]) == 0) {
+			data = ethdev_rx_get_node_data_get();
+			elem = data->head;
+			while (elem->next != data->head) {
+				if (elem->nid == id) {
+					elem->ctx.cls_next = i;
+					rc = 0;
+					goto found;
+				}
+				elem = elem->next;
+			}
+		}
+		i++;
+	}
+found:
+	free(next_nodes);
+exit:
+	return rc;
+}
diff --git a/lib/node/rte_node_eth_api.h b/lib/node/rte_node_eth_api.h
index eaae50772d..d2f705e908 100644
--- a/lib/node/rte_node_eth_api.h
+++ b/lib/node/rte_node_eth_api.h
@@ -22,6 +22,7 @@ extern "C" {
 
 #include <rte_compat.h>
 #include <rte_common.h>
+#include <rte_graph.h>
 #include <rte_mempool.h>
 
 /**
@@ -57,6 +58,23 @@ struct rte_node_ethdev_config {
  */
 int rte_node_eth_config(struct rte_node_ethdev_config *cfg,
 			uint16_t cnt, uint16_t nb_graphs);
+
+/**
+ * Update ethdev rx next node.
+ *
+ * @param id
+ *   Node id whose edge is to be updated.
+ * @param edge_name
+ *   Name of the next node.
+ *
+ * @return
+ *   ENINVAL: Either of input parameters are invalid
+ *   ENOMEM: If memory allocation failed
+ *   0 on successful initialization.
+ */
+__rte_experimental
+int rte_node_ethdev_rx_next_update(rte_node_t id, const char *edge_name);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/node/version.map b/lib/node/version.map
index 99ffcdd414..6bdb944c4c 100644
--- a/lib/node/version.map
+++ b/lib/node/version.map
@@ -19,4 +19,7 @@ EXPERIMENTAL {
 	rte_node_ip4_reassembly_configure;
 	rte_node_udp4_dst_port_add;
 	rte_node_udp4_usr_node_add;
+
+	# added in 24.03
+	rte_node_ethdev_rx_next_update;
 };
-- 
2.25.1