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authorNeale Ranns <nranns@cisco.com>2019-02-07 07:26:12 -0800
committerDamjan Marion <dmarion@me.com>2019-06-18 13:54:35 +0000
commitc87b66c86201458c0475d50c6e93f1497f9eec2e (patch)
tree57bf69c2adb85a93b26a86b5a1110e4290e7f391 /src/vnet/ipsec/ipsec_tun.h
parent097fa66b986f06281f603767d321ab13ab6c88c3 (diff)
ipsec: ipsec-tun protect
please consult the new tunnel proposal at: https://wiki.fd.io/view/VPP/IPSec Type: feature Change-Id: I52857fc92ae068b85f59be08bdbea1bd5932e291 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/ipsec/ipsec_tun.h')
-rw-r--r--src/vnet/ipsec/ipsec_tun.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/src/vnet/ipsec/ipsec_tun.h b/src/vnet/ipsec/ipsec_tun.h
new file mode 100644
index 00000000000..be5cef9a8fc
--- /dev/null
+++ b/src/vnet/ipsec/ipsec_tun.h
@@ -0,0 +1,114 @@
+/*
+ * ipsec_tun.h : IPSEC tunnel protection
+ *
+ * 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.
+ */
+
+#include <vnet/ipsec/ipsec.h>
+
+typedef enum ipsec_protect_flags_t_
+{
+ IPSEC_PROTECT_L2 = (1 << 0),
+ IPSEC_PROTECT_ENCAPED = (1 << 1),
+} __clib_packed ipsec_protect_flags_t;
+
+typedef struct ipsec_ep_t_
+{
+ ip46_address_t src;
+ ip46_address_t dst;
+} ipsec_ep_t;
+
+typedef struct ipsec_tun_protect_t_
+{
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+ u32 itp_out_sa;
+
+ /* not using a vector since we want the memory inline
+ * with this struct */
+ u32 itp_n_sa_in;
+ u32 itp_in_sas[4];
+
+ u32 itp_sw_if_index;
+
+ ipsec_ep_t itp_crypto;
+
+ ipsec_protect_flags_t itp_flags;
+
+ ipsec_ep_t itp_tun;
+
+} ipsec_tun_protect_t;
+
+#define FOR_EACH_IPSEC_PROTECT_INPUT_SAI(_itp, _sai, body) \
+{ \
+ u32 __ii; \
+ for (__ii = 0; __ii < _itp->itp_n_sa_in; __ii++) { \
+ _sai = itp->itp_in_sas[__ii]; \
+ body; \
+ } \
+}
+#define FOR_EACH_IPSEC_PROTECT_INPUT_SA(_itp, _sa, body) \
+{ \
+ u32 __ii; \
+ for (__ii = 0; __ii < _itp->itp_n_sa_in; __ii++) { \
+ _sa = ipsec_sa_get(itp->itp_in_sas[__ii]); \
+ body; \
+ } \
+}
+
+extern int ipsec_tun_protect_update (u32 sw_if_index, u32 sa_out,
+ u32 sa_ins[2]);
+extern int ipsec_tun_protect_del (u32 sw_if_index);
+
+typedef walk_rc_t (*ipsec_tun_protect_walk_cb_t) (index_t itpi, void *arg);
+extern void ipsec_tun_protect_walk (ipsec_tun_protect_walk_cb_t fn,
+ void *cttx);
+extern index_t ipsec_tun_protect_find (u32 sw_if_index);
+
+extern u8 *format_ipsec_tun_protect (u8 * s, va_list * args);
+
+// FIXME
+extern vlib_node_registration_t ipsec4_tun_input_node;
+extern vlib_node_registration_t ipsec6_tun_input_node;
+
+/*
+ * DP API
+ */
+extern ipsec_tun_protect_t *ipsec_protect_pool;
+
+typedef struct ipsec_tun_lkup_result_t_
+{
+ union
+ {
+ struct
+ {
+ u32 tun_index;
+ u32 sa_index;
+ };
+ u64 as_u64;
+ };
+} ipsec_tun_lkup_result_t;
+
+always_inline ipsec_tun_protect_t *
+ipsec_tun_protect_get (u32 index)
+{
+ return (pool_elt_at_index (ipsec_protect_pool, index));
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */