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, 90 insertions, 0 deletions

diff --git a/src/vnet/ipsec/ipsec_spd_policy.h b/src/vnet/ipsec/ipsec_spd_policy.h
new file mode 100644
index 00000000000..fee059e0e56
--- /dev/null
+++ b/src/vnet/ipsec/ipsec_spd_policy.h
@@ -0,0 +1,90 @@
+/*
+ * 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_SPD_POLICY_H__
+#define __IPSEC_SPD_POLICY_H__
+
+#include <vlib/vlib.h>
+
+#define foreach_ipsec_policy_action \
+  _ (0, BYPASS, "bypass")           \
+  _ (1, DISCARD, "discard")         \
+  _ (2, RESOLVE, "resolve")         \
+  _ (3, PROTECT, "protect")
+
+typedef enum
+{
+#define _(v, f, s) IPSEC_POLICY_ACTION_##f = v,
+  foreach_ipsec_policy_action
+#undef _
+} ipsec_policy_action_t;
+
+#define IPSEC_POLICY_N_ACTION (IPSEC_POLICY_ACTION_PROTECT + 1)
+
+typedef struct
+{
+  ip46_address_t start, stop;
+} ip46_address_range_t;
+
+typedef struct
+{
+  u16 start, stop;
+} port_range_t;
+
+/**
+ * @brief A Secruity Policy. An entry in an SPD
+ */
+typedef struct ipsec_policy_t_
+{
+  u32 id;
+  i32 priority;
+  u8 is_outbound;
+
+  // Selector
+  u8 is_ipv6;
+  ip46_address_range_t laddr;
+  ip46_address_range_t raddr;
+  u8 protocol;
+  port_range_t lport;
+  port_range_t rport;
+
+  // Policy
+  ipsec_policy_action_t policy;
+  u32 sa_id;
+  u32 sa_index;
+
+  // Counter
+  vlib_counter_t counter;
+} ipsec_policy_t;
+
+/**
+ * @brief Add/Delete a SPD
+ */
+extern int ipsec_add_del_policy (vlib_main_t * vm,
+				 ipsec_policy_t * policy, int is_add);
+
+extern u8 *format_ipsec_policy_action (u8 * s, va_list * args);
+extern uword unformat_ipsec_policy_action (unformat_input_t * input,
+					   va_list * args);
+
+
+#endif /* __IPSEC_SPD_POLICY_H__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */