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authorGabriel Oginski <gabrielx.oginski@intel.com>2022-06-29 12:54:30 +0000
committerFan Zhang <royzhang1980@hotmail.com>2022-09-28 17:45:26 +0000
commit4e88e041ad47bf422bbb2a0940f77aba11ea2178 (patch)
treedf4e3a9a252212bac900df3a77c438fe5396062e /extras/strongswan/vpp_sswan/kernel_vpp_shared.h
parentcf9144e65f37402fc6f7dacb7bd7bad6fd596784 (diff)
vpp-swan: Add plugin for vpp-swan
Added plugin vpp-swan is a plugin that helps offloading Strongswan IPsec ESP process from Linux Kernel to VPP. Type: feature Signed-off-by: Gabriel Oginski <gabrielx.oginski@intel.com> Change-Id: Iec77945892453fac1890d3c49d7d86fc6b09c893
Diffstat (limited to 'extras/strongswan/vpp_sswan/kernel_vpp_shared.h')
-rw-r--r--extras/strongswan/vpp_sswan/kernel_vpp_shared.h85
1 files changed, 85 insertions, 0 deletions
diff --git a/extras/strongswan/vpp_sswan/kernel_vpp_shared.h b/extras/strongswan/vpp_sswan/kernel_vpp_shared.h
new file mode 100644
index 00000000000..c699d4925f3
--- /dev/null
+++ b/extras/strongswan/vpp_sswan/kernel_vpp_shared.h
@@ -0,0 +1,85 @@
+#ifndef KERNEL_VPP_SHARED_H_
+#define KERNEL_VPP_SHARED_H_
+/*
+ * Copyright (c) 2022 Intel and/or its affiliates.
+ * 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.
+ */
+
+typedef struct vac_t vac_t;
+
+/**
+ * Callback function invoked for received event messages.
+ *
+ * @param data associated event message, destroyed by VPP API wrapper
+ * @param data_len length of the event message
+ * @param ctx user data, as passed to register_event
+ */
+typedef void (*event_cb_t) (char *data, int data_len, void *ctx);
+
+/**
+ * Wrapper around VPP binary API client.
+ */
+struct vac_t
+{
+
+ /**
+ * Destroy the VPP API client.
+ */
+ void (*destroy) (vac_t *this);
+
+ /**
+ * Send VPP API message and wait for a reply
+ *
+ * @param in VPP API message to send
+ * @param in_len length of the message to send
+ * @param out received VPP API message
+ * @param out_len length of the received message
+ */
+ status_t (*send) (vac_t *this, char *in, int in_len, char **out,
+ int *out_len);
+
+ /**
+ * Send VPP API dump message and wait for a reply.
+ *
+ * @param in VPP API message to send
+ * @param in_len length of the message to send
+ * @param out received VPP API message
+ * @param out_len length of the received message
+ */
+ status_t (*send_dump) (vac_t *this, char *in, int in_len, char **out,
+ int *out_len);
+
+ /**
+ * Register for VPP API event of a given kind.
+ *
+ * @param in VPP API event message to register
+ * @param in_len length of the event message to register
+ * @param cb callback function to register
+ * @param event_id event ID
+ * @param ctx user data passed to callback invocations
+ */
+ status_t (*register_event) (vac_t *this, char *in, int in_len, event_cb_t cb,
+ uint16_t event_id, void *ctx);
+};
+
+extern vac_t *vac;
+
+/**
+ * Establishing a binary API connection to VPP.
+ *
+ * @param name client name
+ * @return vac_t instance
+ */
+vac_t *vac_create (char *name);
+
+#endif /* KERNEL_VPP_SHARED_H_ */