diff options
author | Ole Troan <ot@cisco.com> | 2016-06-24 20:10:30 +0200 |
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committer | Dave Barach <openvpp@barachs.net> | 2016-06-27 15:04:00 +0000 |
commit | ea3e1fc8754d7ebeca85ecc448b263f6ccb6ae6f (patch) | |
tree | 5aa3322e4bf45f2b621a5b62f58fdc8bd4d7bca1 /plugins/vcgn-plugin/vcgn/cnat_v4_pptp_alg.h | |
parent | aa6920e0a80d8271be1dda59f613a1d2b0e1d3e6 (diff) |
Plugins: Clean up the plugin directory so that each plugin has its own
directory and GNU autotools setup.
Change-Id: I6c59d1297389c9413db0c0b9bdf3b759080bf1b8
Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'plugins/vcgn-plugin/vcgn/cnat_v4_pptp_alg.h')
-rw-r--r-- | plugins/vcgn-plugin/vcgn/cnat_v4_pptp_alg.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/plugins/vcgn-plugin/vcgn/cnat_v4_pptp_alg.h b/plugins/vcgn-plugin/vcgn/cnat_v4_pptp_alg.h new file mode 100644 index 00000000000..5a6d4243165 --- /dev/null +++ b/plugins/vcgn-plugin/vcgn/cnat_v4_pptp_alg.h @@ -0,0 +1,150 @@ +/* + *------------------------------------------------------------------ + * cnat_v4_pptp_alg.h + * + * Copyright (c) 2009-2013 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 __CNAT_V4_PPTP_ALG_H__ +#define __CNAT_V4_PPTP_ALG_H__ + +/* Debug utils of PPTP */ +#define PPTP_DBG(debug, ...) \ + if(PREDICT_FALSE(cnat_pptp_debug_flag >= debug)) { \ + PLATFORM_DEBUG_PRINT("%s:%s:%d - ", \ + __FILE__, __FUNCTION__, __LINE__);\ + PLATFORM_DEBUG_PRINT(__VA_ARGS__);\ + PLATFORM_DEBUG_PRINT("\n"); \ + } + +#define PPTP_DUMP_PACKET(ip, len) pptp_hex_dump(ip, len) + + +#define PPTP_DISABLED 0 +#define PPTP_ENABLED 1 + +#define PPTP_GRE_TIMEOUT 60 /*sec */ + +#define TCP_PPTP_PORT 1723 + +#define PPTP_PAC 0 +#define PPTP_PNS 1 + +/* PPTP MSG TYPE */ + +#define PPTP_MSG_TYPE_CONTROL 1 +#define PPTP_MSG_TYPE_MGMT 2 + +/* PPTP control messages */ + +/* control connection mgmt */ +#define PPTP_START_CC_RQ 1 +#define PPTP_START_CC_RP 2 +#define PPTP_STOP_CC_RQ 3 +#define PPTP_STOP_CC_RP 4 +#define PPTP_ECHO_RQ 5 +#define PPTP_ECHO_RP 6 + +/* call mgmt */ +#define PPTP_OBOUND_CALL_RQ 7 +#define PPTP_OBOUND_CALL_RP 8 +#define PPTP_IBOUND_CALL_RQ 9 +#define PPTP_IBOUND_CALL_RP 10 +#define PPTP_IBOUND_CALL_CN 11 +#define PPTP_CALL_CLEAR_RQ 12 +#define PPTP_CALL_DISCON_NT 13 + +/* other */ + +#define PPTP_WAN_ERR_NT 14 +#define PPTP_SET_LINK_INF 15 + +#define PPTP_MIN_HDR_LEN 8 + +/* Byte offsets from start of TCP Data(PPTP header) */ + +#define PPTP_CTRL_MGMT_TYPE_OFFSET 0x02 +#define PPTP_CC_TYPE_OFFSET 0x08 +#define PPTP_HDR_CALL_ID_OFFSET 0x0c +#define PPTP_HDR_PEER_CALL_ID_OFFSET 0x0e + +#define PPTP_HDR_RESULT_CODE_OFFSET_STCCRP 0x0e +#define PPTP_HDR_RESULT_CODE_OFFSET 0x10 + + +/* Offset of control/mgmt msg types + from start of TCP header */ + +#define TCP_HEADER_SIZE(tcp) \ + ((tcp->hdr_len>>4) << 2) + + +#define PPTP_MSG_START_OFFSET(tcp) \ + ((u8*)tcp + TCP_HEADER_SIZE(tcp)) + + +#define PPTP_CC_MSG_TYPE_OFFSET(tcp) \ + (PPTP_MSG_START_OFFSET(tcp) + \ + PPTP_CC_TYPE_OFFSET ) + +#define PPTP_MGMT_MSG_TYPE_OFFSET(tcp) \ + ( PPTP_MSG_START_OFFSET(tcp) + \ + PPTP_CTRL_MGMT_TYPE_OFFSET ) + +#define PPTP_CALL_ID_OFFSET(tcp) \ + ( PPTP_MSG_START_OFFSET(tcp) + \ + PPTP_HDR_CALL_ID_OFFSET ) + +#define PPTP_PEER_CALL_ID_OFFSET(tcp) \ + ( PPTP_MSG_START_OFFSET(tcp) + \ + PPTP_HDR_PEER_CALL_ID_OFFSET ) + +#define PPTP_RESULT_CODE_OFFSET(tcp) \ + ( PPTP_MSG_START_OFFSET(tcp) + \ + PPTP_HDR_RESULT_CODE_OFFSET ) + +#define PPTP_RESULT_CODE_OFFSET_STCCRP(tcp) \ + ( PPTP_MSG_START_OFFSET(tcp) + \ + PPTP_HDR_RESULT_CODE_OFFSET_STCCRP) + +/* values */ +#define PPTP_CC_MSG_TYPE(tcp) \ + (u16*)PPTP_CC_MSG_TYPE_OFFSET(tcp) + +#define PPTP_MGMT_MSG_TYPE(tcp) \ + (u16*)PPTP_MGMT_MSG_TYPE_OFFSET(tcp) + +#define PPTP_CALL_ID(tcp) \ + (u16*)PPTP_CALL_ID_OFFSET(tcp) + +#define PPTP_PEER_CALL_ID(tcp) \ + (u16*)PPTP_PEER_CALL_ID_OFFSET(tcp) + +#define PPTP_RESULT_CODE(tcp) \ + *(u8*)PPTP_RESULT_CODE_OFFSET(tcp); + +#define PPTP_RESULT_CODE_STCCRP(tcp) \ + *(u8*)PPTP_RESULT_CODE_OFFSET_STCCRP(tcp); + + +/* other code */ +#define PPTP_CHAN_SUCCESS 1 + + +/* Data structures */ + +extern u32 cnat_pptp_debug_flag; + +#endif /* __CNAT_V4_PPTP_ALG_H__ */ |