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Diffstat (limited to 'contrib/tcpdump/dccp.h')
| -rw-r--r-- | contrib/tcpdump/dccp.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/contrib/tcpdump/dccp.h b/contrib/tcpdump/dccp.h deleted file mode 100644 index 1afa8c0..0000000 --- a/contrib/tcpdump/dccp.h +++ /dev/null @@ -1,139 +0,0 @@ -/* @(#) $Header: /tcpdump/master/tcpdump/dccp.h,v 1.1.2.4 2006/05/12 01:46:17 guy Exp $ (LBL) */ -/* - * Copyright (C) Arnaldo Carvalho de Melo 2004 - * Copyright (C) Ian McDonald 2005 <iam4@cs.waikato.ac.nz> - * Copyright (C) Yoshifumi Nishida 2005 - * - * This software may be distributed either under the terms of the - * BSD-style license that accompanies tcpdump or the GNU GPL version 2 - */ - -#ifndef __DCCP_HDR__ -#define __DCCP_HDR__ - -/** - * struct dccp_hdr - generic part of DCCP packet header - * - * @dccph_sport - Relevant port on the endpoint that sent this packet - * @dccph_dport - Relevant port on the other endpoint - * @dccph_doff - Data Offset from the start of the DCCP header, in 32-bit words - * @dccph_ccval - Used by the HC-Sender CCID - * @dccph_cscov - Parts of the packet that are covered by the Checksum field - * @dccph_checksum - Internet checksum, depends on dccph_cscov - * @dccph_x - 0 = 24 bit sequence number, 1 = 48 - * @dccph_type - packet type, see DCCP_PKT_ prefixed macros - * @dccph_seq - sequence number high or low order 24 bits, depends on dccph_x - */ -struct dccp_hdr { - u_int16_t dccph_sport, - dccph_dport; - u_int8_t dccph_doff; - u_int8_t dccph_ccval_cscov; - u_int16_t dccph_checksum; - union { - u_int8_t dccph_xtr; - u_int32_t dccph_seq; - } dccph_xtrs; -}; - -#define DCCPH_CCVAL(dh) (((dh)->dccph_ccval_cscov) & 0x0F) -#define DCCPH_CSCOV(dh) (((dh)->dccph_ccval_cscov >> 4) & 0x0F) - -#define DCCPH_X(dh) ((dh)->dccph_xtrs.dccph_xtr & 1) -#define DCCPH_TYPE(dh) (((dh)->dccph_xtrs.dccph_xtr >> 1) & 0xF) -#define DCCPH_SEQ(dh) (((dh)->dccph_xtrs.dccph_seq) >> 8) - -/** - * struct dccp_hdr_ext - the low bits of a 48 bit seq packet - * - * @dccph_seq_low - low 24 bits of a 48 bit seq packet - */ -struct dccp_hdr_ext { - u_int32_t dccph_seq_low; -}; - -/** - * struct dccp_hdr_request - Conection initiation request header - * - * @dccph_req_service - Service to which the client app wants to connect - */ -struct dccp_hdr_request { - u_int32_t dccph_req_service; -}; - -/** - * struct dccp_hdr_ack_bits - acknowledgment bits common to most packets - * - * @dccph_resp_ack_nr_high - 48 bit ack number high order bits, contains GSR - * @dccph_resp_ack_nr_low - 48 bit ack number low order bits, contains GSR - */ -struct dccp_hdr_ack_bits { - u_int32_t dccph_ra; - u_int32_t dccph_ack_nr_low; -}; - -#define DCCPH_ACK(dh_ack) ((dh_ack)->dccph_ra >> 8) - -/** - * struct dccp_hdr_response - Conection initiation response header - * - * @dccph_resp_ack_nr_high - 48 bit ack number high order bits, contains GSR - * @dccph_resp_ack_nr_low - 48 bit ack number low order bits, contains GSR - * @dccph_resp_service - Echoes the Service Code on a received DCCP-Request - */ -struct dccp_hdr_response { - struct dccp_hdr_ack_bits dccph_resp_ack; - u_int32_t dccph_resp_service; -}; - -#if 0 -static inline struct dccp_hdr_data *dccp_hdr_data(struct dccp_hdr *hdrg) -{ - const int ext = DCCPH_X(hdrg) ? sizeof(struct dccp_hdr_ext) : 0; - - return (struct dccp_hdr_data *)(((u_char *)hdrg) + sizeof(hdrg) + ext); -} -#endif - -/** - * struct dccp_hdr_reset - Unconditionally shut down a connection - * - * @dccph_reset_service - Echoes the Service Code on a received DCCP-Request - */ -struct dccp_hdr_reset { - struct dccp_hdr_ack_bits dccph_reset_ack; - u_int8_t dccph_reset_code, - dccph_reset_data[3]; -}; - -enum dccp_pkt_type { - DCCP_PKT_REQUEST = 0, - DCCP_PKT_RESPONSE, - DCCP_PKT_DATA, - DCCP_PKT_ACK, - DCCP_PKT_DATAACK, - DCCP_PKT_CLOSEREQ, - DCCP_PKT_CLOSE, - DCCP_PKT_RESET, - DCCP_PKT_SYNC, - DCCP_PKT_SYNCACK, - DCCP_PKT_INVALID -}; - -enum dccp_reset_codes { - DCCP_RESET_CODE_UNSPECIFIED = 0, - DCCP_RESET_CODE_CLOSED, - DCCP_RESET_CODE_ABORTED, - DCCP_RESET_CODE_NO_CONNECTION, - DCCP_RESET_CODE_PACKET_ERROR, - DCCP_RESET_CODE_OPTION_ERROR, - DCCP_RESET_CODE_MANDATORY_ERROR, - DCCP_RESET_CODE_CONNECTION_REFUSED, - DCCP_RESET_CODE_BAD_SERVICE_CODE, - DCCP_RESET_CODE_TOO_BUSY, - DCCP_RESET_CODE_BAD_INIT_COOKIE, - DCCP_RESET_CODE_AGGRESSION_PENALTY, - __DCCP_RESET_CODE_LAST -}; - -#endif /* __DCCP_HDR__ */ |
