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From: <jerinj@marvell.com>
To: Nithin Dabilpuram <ndabilpuram@marvell.com>, Pavan Nikhilesh
<pbhagavatula@marvell.com>
CC: <dev@dpdk.org>, <thomas@monjalon.net>, <david.marchand@redhat.com>,
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Date: Thu, 19 Mar 2020 03:05:48 +0530
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Subject: [dpdk-dev] [PATCH v1 23/26] node: add pkt drop node
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From: Nithin Dabilpuram <ndabilpuram@marvell.com>
Add pkt drop node process function for pkt_drop
rte_node. This node simply free's every object received as
an rte_mbuf to its rte_pktmbuf pool.
Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Signed-off-by: Kiran Kumar K <kirankumark@marvell.com>
---
lib/librte_node/Makefile | 1 +
lib/librte_node/meson.build | 2 +-
lib/librte_node/pkt_drop.c | 26 ++++++++++++++++++++++++++
3 files changed, 28 insertions(+), 1 deletion(-)
create mode 100644 lib/librte_node/pkt_drop.c
diff --git a/lib/librte_node/Makefile b/lib/librte_node/Makefile
index be7e7e338..aaf041580 100644
--- a/lib/librte_node/Makefile
+++ b/lib/librte_node/Makefile
@@ -21,6 +21,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_NODE) += ethdev_tx.c
SRCS-$(CONFIG_RTE_LIBRTE_NODE) += ethdev_ctrl.c
SRCS-$(CONFIG_RTE_LIBRTE_NODE) += ip4_lookup.c
SRCS-$(CONFIG_RTE_LIBRTE_NODE) += ip4_rewrite.c
+SRCS-$(CONFIG_RTE_LIBRTE_NODE) += pkt_drop.c
# install header files
SYMLINK-$(CONFIG_RTE_LIBRTE_NODE)-include += rte_node_ip4_api.h
diff --git a/lib/librte_node/meson.build b/lib/librte_node/meson.build
index ef056d9af..59e11e5b4 100644
--- a/lib/librte_node/meson.build
+++ b/lib/librte_node/meson.build
@@ -2,7 +2,7 @@
# Copyright(C) 2020 Marvell International Ltd.
sources = files('null.c', 'log.c', 'ethdev_rx.c', 'ethdev_tx.c', 'ip4_lookup.c',
- 'ip4_rewrite.c', 'ethdev_ctrl.c')
+ 'ip4_rewrite.c', 'pkt_drop.c', 'ethdev_ctrl.c')
headers = files('rte_node_ip4_api.h', 'rte_node_eth_api.h')
allow_experimental_apis = true
deps += ['graph', 'mbuf', 'lpm', 'ethdev', 'mempool', 'cryptodev']
diff --git a/lib/librte_node/pkt_drop.c b/lib/librte_node/pkt_drop.c
new file mode 100644
index 000000000..c35001323
--- /dev/null
+++ b/lib/librte_node/pkt_drop.c
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Marvell International Ltd.
+ */
+
+#include <rte_debug.h>
+#include <rte_graph.h>
+#include <rte_mbuf.h>
+
+static uint16_t
+pkt_drop_process(struct rte_graph *graph, struct rte_node *node, void **objs,
+ uint16_t nb_objs)
+{
+ RTE_SET_USED(node);
+ RTE_SET_USED(graph);
+
+ rte_pktmbuf_free_bulk((struct rte_mbuf **)objs, nb_objs);
+
+ return nb_objs;
+}
+
+static struct rte_node_register pkt_drop_node = {
+ .process = pkt_drop_process,
+ .name = "pkt_drop",
+};
+
+RTE_NODE_REGISTER(pkt_drop_node);
--
2.25.1