ip: IP address and prefix types (moved from LISP)

Type: refactor

Change-Id: I2c6b59013bfd21136a2955442c779685f951932b
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 98 insertions, 0 deletions

diff --git a/src/vnet/ip/ip_types.h b/src/vnet/ip/ip_types.h
new file mode 100644
index 00000000000..d2927252434
--- /dev/null
+++ b/src/vnet/ip/ip_types.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2019 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 __IP_TYPES_H__
+#define __IP_TYPES_H__
+
+#include <vnet/fib/fib_types.h>
+
+typedef enum ip_address_family_t_
+{
+  AF_IP4,
+  AF_IP6,
+} ip_address_family_t;
+
+extern uword unformat_ip_address_family (unformat_input_t * input,
+					 va_list * args);
+extern u8 *format_ip_address_family (u8 * s, va_list * args);
+
+#define FOR_EACH_IP_ADDRESS_FAMILY(_af) \
+  for (_af = AF_IP4; _af <= AF_IP6; _af++)
+
+#define u8_ptr_add(ptr, index) (((u8 *)ptr) + index)
+#define u16_net_add(u, val) clib_host_to_net_u16(clib_net_to_host_u16(u) + (val))
+
+/* *INDENT-OFF* */
+typedef struct ip_address
+{
+  union
+  {
+    ip4_address_t v4;
+    ip6_address_t v6;
+  } ip;
+  ip_address_family_t version;
+} __clib_packed ip_address_t;
+/* *INDENT-ON* */
+
+#define ip_addr_addr(_a) (_a)->ip
+#define ip_addr_v4(_a) (_a)->ip.v4
+#define ip_addr_v6(_a) (_a)->ip.v6
+#define ip_addr_version(_a) (_a)->version
+
+extern int ip_address_cmp (const ip_address_t * ip1,
+			   const ip_address_t * ip2);
+extern void ip_address_copy (ip_address_t * dst, const ip_address_t * src);
+extern void ip_address_copy_addr (void *dst, const ip_address_t * src);
+extern void ip_address_set (ip_address_t * dst, const void *src, u8 version);
+extern u16 ip_address_size (const ip_address_t * a);
+extern u16 ip_version_to_size (u8 ver);
+extern u8 *format_ip_address (u8 * s, va_list * args);
+extern uword unformat_ip_address (unformat_input_t * input, va_list * args);
+extern void ip_address_to_46 (const ip_address_t * addr,
+			      ip46_address_t * a, fib_protocol_t * proto);
+
+/* *INDENT-OFF* */
+typedef struct ip_prefix
+{
+  ip_address_t addr;
+  u8 len;
+} __clib_packed ip_prefix_t;
+/* *INDENT-ON* */
+
+#define ip_prefix_addr(_a) (_a)->addr
+#define ip_prefix_version(_a) ip_addr_version(&ip_prefix_addr(_a))
+#define ip_prefix_len(_a) (_a)->len
+#define ip_prefix_v4(_a) ip_addr_v4(&ip_prefix_addr(_a))
+#define ip_prefix_v6(_a) ip_addr_v6(&ip_prefix_addr(_a))
+
+extern int ip_prefix_cmp (ip_prefix_t * p1, ip_prefix_t * p2);
+extern void ip_prefix_normalize (ip_prefix_t * a);
+
+extern void ip_address_to_fib_prefix (const ip_address_t * addr,
+				      fib_prefix_t * prefix);
+extern void ip_prefix_to_fib_prefix (const ip_prefix_t * ipp,
+				     fib_prefix_t * fibp);
+extern u8 *format_ip_prefix (u8 * s, va_list * args);
+extern uword unformat_ip_prefix (unformat_input_t * input, va_list * args);
+
+#endif /* __IP_TYPES_H__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */