urpf: Unicast reverse Path Forwarding (plugin)

Type: feature

 - move the IP4 code to plugin
 - add ip6 support
 - add suport for uRPF on TX
 - add tests

Change-Id: I074c2debc486d3e79c12fad4b8dbd72c41e841a0
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 50 insertions, 0 deletions

diff --git a/src/plugins/urpf/urpf.h b/src/plugins/urpf/urpf.h
new file mode 100644
index 00000000000..941cda25f4b
--- /dev/null
+++ b/src/plugins/urpf/urpf.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2020 Cisco 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.
+ */
+
+#ifndef __URPF_H__
+#define __URPF_H__
+
+#include <vnet/ip/ip_types.h>
+
+#define foreach_urpf_mode \
+  _(OFF, "off")           \
+  _(LOOSE, "loose")       \
+  _(STRICT, "strict")     \
+
+typedef enum urpf_mode_t_
+{
+#define _(a,b) URPF_MODE_##a,
+  foreach_urpf_mode
+#undef _
+} __clib_packed urpf_mode_t;
+
+#define URPF_N_MODES (URPF_MODE_STRICT+1)
+
+extern u8 *format_urpf_mode (u8 * s, va_list * a);
+
+extern void urpf_update (urpf_mode_t mode,
+			 u32 sw_if_index,
+			 ip_address_family_t af, vlib_dir_t dir);
+
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */