This patch adds the rte_flow provider framework.
Signed-off-by: Eelco Chaudron <[email protected]>
---
lib/automake.mk | 1 +
lib/dpif-offload-provider.h | 1 +
lib/dpif-offload-rte_flow.c | 47 +++++++++++++++++++++++++++++++++++++
lib/dpif-offload.c | 3 +++
tests/system-dpdk.at | 23 ++++++++++++++++++
5 files changed, 75 insertions(+)
create mode 100644 lib/dpif-offload-rte_flow.c
diff --git a/lib/automake.mk b/lib/automake.mk
index 6e015ebfc..588eb16dc 100644
--- a/lib/automake.mk
+++ b/lib/automake.mk
@@ -507,6 +507,7 @@ endif
if DPDK_NETDEV
lib_libopenvswitch_la_SOURCES += \
lib/dpdk.c \
+ lib/dpif-offload-rte_flow.c \
lib/netdev-dpdk.c \
lib/netdev-offload-dpdk.c
else
diff --git a/lib/dpif-offload-provider.h b/lib/dpif-offload-provider.h
index cdce61bc5..89889271e 100644
--- a/lib/dpif-offload-provider.h
+++ b/lib/dpif-offload-provider.h
@@ -89,6 +89,7 @@ struct dpif_offload_class {
extern struct dpif_offload_class dpif_offload_dummy_class;
extern struct dpif_offload_class dpif_offload_dummy_x_class;
+extern struct dpif_offload_class dpif_offload_rte_flow_class;
extern struct dpif_offload_class dpif_offload_tc_class;
/* Global function, called by the dpif layer. */
diff --git a/lib/dpif-offload-rte_flow.c b/lib/dpif-offload-rte_flow.c
new file mode 100644
index 000000000..4c3ccea4a
--- /dev/null
+++ b/lib/dpif-offload-rte_flow.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2025 Red Hat, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <config.h>
+
+#include "dpif-offload.h"
+#include "dpif-offload-provider.h"
+#include "util.h"
+
+static int
+dpif_offload_rte_open(const struct dpif_offload_class *offload_class,
+ struct dpif *dpif, struct dpif_offload **dpif_offload)
+{
+ struct dpif_offload *offload = xmalloc(sizeof(struct dpif_offload));
+
+ dpif_offload_init(offload, offload_class, dpif);
+ *dpif_offload = offload;
+ return 0;
+}
+
+static void
+dpif_offload_rte_close(struct dpif_offload *dpif_offload)
+{
+ free(dpif_offload);
+}
+
+struct dpif_offload_class dpif_offload_rte_flow_class = {
+ .type = "rte_flow",
+ .supported_dpif_types = (const char *const[]) {
+ "netdev",
+ NULL},
+ .open = dpif_offload_rte_open,
+ .close = dpif_offload_rte_close,
+};
diff --git a/lib/dpif-offload.c b/lib/dpif-offload.c
index 2e5be6b2f..6c119f0ff 100644
--- a/lib/dpif-offload.c
+++ b/lib/dpif-offload.c
@@ -39,6 +39,9 @@ static struct shash dpif_offload_providers \
static const struct dpif_offload_class *base_dpif_offload_classes[] = {
#if defined(__linux__)
&dpif_offload_tc_class,
+#endif
+#ifdef DPDK_NETDEV
+ &dpif_offload_rte_flow_class,
#endif
&dpif_offload_dummy_class,
&dpif_offload_dummy_x_class,
diff --git a/tests/system-dpdk.at b/tests/system-dpdk.at
index 393b76c76..c464e9ab3 100644
--- a/tests/system-dpdk.at
+++ b/tests/system-dpdk.at
@@ -941,3 +941,26 @@ AT_CHECK([ovs-vsctl del-port br10 p1], [], [stdout],
[stderr])
OVS_DPDK_STOP_VSWITCHD
AT_CLEANUP
dnl --------------------------------------------------------------------------
+
+dnl --------------------------------------------------------------------------
+AT_SETUP([OVS-DPDK - ovs-appctl dpif/offload/show])
+AT_KEYWORDS([dpdk dpif-offload])
+OVS_DPDK_PRE_CHECK()
+OVS_DPDK_START([--no-pci])
+AT_CHECK([ovs-vsctl add-br br0 -- set bridge br0 datapath_type=netdev])
+
+AT_CHECK([ovs-appctl dpif/offload/show], [0], [dnl
+netdev@ovs-netdev:
+ rte_flow
+])
+
+AT_CHECK([ovs-appctl --format json --pretty dpif/offload/show], [0], [dnl
+{
+ "netdev@ovs-netdev": {
+ "providers": [[
+ "rte_flow"]]}}
+])
+
+OVS_DPDK_STOP_VSWITCHD
+AT_CLEANUP
+dnl --------------------------------------------------------------------------
--
2.50.1
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