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author | 2015-12-08 15:45:58 -0700 | |
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committer | 2015-12-08 15:47:27 -0700 | |
commit | cb9cadad578297ffd78fa8a33670bdf1ab669e7e (patch) | |
tree | 6ac2be912482cc7849a26f0ab845561c3d7f4e26 /vnet/vnet/vcgn/nat64_tcp_sm.h | |
parent | fb0815d4ae4bb0fe27bd9313f34b45c8593b907e (diff) |
Initial commit of vpp code.v1.0.0
Change-Id: Ib246f1fbfce93274020ee93ce461e3d8bd8b9f17
Signed-off-by: Ed Warnicke <eaw@cisco.com>
Diffstat (limited to 'vnet/vnet/vcgn/nat64_tcp_sm.h')
-rw-r--r-- | vnet/vnet/vcgn/nat64_tcp_sm.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/vnet/vnet/vcgn/nat64_tcp_sm.h b/vnet/vnet/vcgn/nat64_tcp_sm.h new file mode 100644 index 00000000000..3a505bc1649 --- /dev/null +++ b/vnet/vnet/vcgn/nat64_tcp_sm.h @@ -0,0 +1,91 @@ +/* + *------------------------------------------------------------------ + * nat64_tcp_sm.h - Stateful NAT64 translation TCP State machine + * + * Copyright (c) 2011 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 __NAT64_TCP_SM_H__ +#define __NAT64_TCP_SM_H__ + + +/* TCP States */ +typedef enum { + TCP_CLOSED, + TCP_V4_INIT, + TCP_V6_INIT, + TCP_ESTABLISHED, + TCP_V4_FIN_RCV, + TCP_V6_FIN_RCV, + TCP_V4V6_FIN_RCV, + TCP_TRANS, + TCP_NONE +} nat64_tcp_states; + +/* TCP Events */ +typedef enum { + TCP_TIMEOUT_EV, + TCP_V6_SYN_EV, + TCP_V4_SYN_EV, + TCP_V6_FIN_EV, + TCP_V4_FIN_EV, + TCP_V6_RST_EV, + TCP_V4_RST_EV, + TCP_DEFAULT_EV, + TCP_EV_COUNT +} nat64_tcp_events; + +/* TCP Actions */ +typedef enum { + TCP_FORWARD, + TCP_COND_FORWARD, /* Conditional forward, based on presence of + * session and bib entries */ + TCP_STORE, + TCP_PROBE, + TCP_CREATE_SESSION, + TCP_DELETE_SESSION, + TCP_DROP, + TCP_ACTION_NONE, + TCP_ACTION_COUNT +} nat64_tcp_actions; + +typedef struct { + nat64_tcp_states next_state; + nat64_tcp_actions action; +} nat64_tcp_trans_t; + +typedef struct { + nat64_tcp_trans_t event[TCP_EV_COUNT]; +} nat64_tcp_state_trans_t; + +extern nat64_tcp_state_trans_t nat64_tcp_sm_lookup[TCP_NONE]; + +/* +inline void +nat64_update_v6_to_v4_tcp (nat64_v6_to_v4_pipeline_data_t *pctx_ptr, + nat64_bib_entry_t *bib_ptr); + +inline u8 nat64_v6_to_v4_tcp_perform_action ( + spp_ctx_t *ctx, + nat64_v6_to_v4_pipeline_data_t *pctx_ptr, + nat64_bib_entry_t *bib_db, + nat64_session_entry_t *session_db); + +inline void +nat64_copy_tcp_into_pctx (nat64_v6_to_v4_pipeline_data_t *pctx_ptr); +*/ + + + +#endif |