IPSEC: minor refactor

No function change. Only breaking the monster ipsec.[hc]
into smaller constituent parts

Change-Id: I3fd4d2d041673db5865d46a4002f6bd383f378af
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 94 insertions, 0 deletions

diff --git a/src/vnet/ipsec/ipsec_if.h b/src/vnet/ipsec/ipsec_if.h
new file mode 100644
index 00000000000..96a109ddaf5
--- /dev/null
+++ b/src/vnet/ipsec/ipsec_if.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2015 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 __IPSEC_IF_H__
+#define __IPSEC_IF_H__
+
+#include <vnet/ipsec/ipsec_sa.h>
+
+typedef enum
+{
+  IPSEC_IF_SET_KEY_TYPE_NONE,
+  IPSEC_IF_SET_KEY_TYPE_LOCAL_CRYPTO,
+  IPSEC_IF_SET_KEY_TYPE_REMOTE_CRYPTO,
+  IPSEC_IF_SET_KEY_TYPE_LOCAL_INTEG,
+  IPSEC_IF_SET_KEY_TYPE_REMOTE_INTEG,
+} ipsec_if_set_key_type_t;
+
+typedef struct
+{
+  /* Required for pool_get_aligned */
+  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+  u32 input_sa_index;
+  u32 output_sa_index;
+  u32 hw_if_index;
+  u32 show_instance;
+} ipsec_tunnel_if_t;
+
+typedef struct
+{
+  u8 is_add;
+  u8 esn;
+  u8 anti_replay;
+  ip4_address_t local_ip, remote_ip;
+  u32 local_spi;
+  u32 remote_spi;
+  ipsec_crypto_alg_t crypto_alg;
+  u8 local_crypto_key_len;
+  u8 local_crypto_key[128];
+  u8 remote_crypto_key_len;
+  u8 remote_crypto_key[128];
+  ipsec_integ_alg_t integ_alg;
+  u8 local_integ_key_len;
+  u8 local_integ_key[128];
+  u8 remote_integ_key_len;
+  u8 remote_integ_key[128];
+  u8 renumber;
+  u32 show_instance;
+  u8 udp_encap;
+  u32 tx_table_id;
+} ipsec_add_del_tunnel_args_t;
+
+typedef struct
+{
+  u8 is_add;
+  u32 local_sa_id;
+  u32 remote_sa_id;
+  ip4_address_t local_ip;
+  ip4_address_t remote_ip;
+} ipsec_add_del_ipsec_gre_tunnel_args_t;
+
+extern int ipsec_add_del_tunnel_if_internal (vnet_main_t * vnm,
+					     ipsec_add_del_tunnel_args_t *
+					     args, u32 * sw_if_index);
+extern int ipsec_add_del_tunnel_if (ipsec_add_del_tunnel_args_t * args);
+extern int ipsec_add_del_ipsec_gre_tunnel (vnet_main_t * vnm,
+					   ipsec_add_del_ipsec_gre_tunnel_args_t
+					   * args);
+
+extern int ipsec_set_interface_key (vnet_main_t * vnm, u32 hw_if_index,
+				    ipsec_if_set_key_type_t type,
+				    u8 alg, u8 * key);
+extern int ipsec_set_interface_sa (vnet_main_t * vnm, u32 hw_if_index,
+				   u32 sa_id, u8 is_outbound);
+
+#endif /* __IPSEC_IF_H__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */