author | Florian Westphal <fw@strlen.de> |
Thu, 09 Apr 2009 12:07:21 +0200 | |
changeset 2 | d1f6d8b6f81c |
parent 0 | aa628870c1d3 |
permissions | -rw-r--r-- |
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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#ifndef _LINUX_DCCP_H |
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parents:
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#define _LINUX_DCCP_H |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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#include <linux/types.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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#include <asm/byteorder.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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/** |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* struct dccp_hdr - generic part of DCCP packet header |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* @dccph_sport - Relevant port on the endpoint that sent this packet |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* @dccph_dport - Relevant port on the other endpoint |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* @dccph_doff - Data Offset from the start of the DCCP header, in 32-bit words |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* @dccph_ccval - Used by the HC-Sender CCID |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* @dccph_cscov - Parts of the packet that are covered by the Checksum field |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* @dccph_checksum - Internet checksum, depends on dccph_cscov |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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* @dccph_x - 0 = 24 bit sequence number, 1 = 48 |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* @dccph_type - packet type, see DCCP_PKT_ prefixed macros |
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Port of Linux 2.6.28 for use with network simulation cradle.
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* @dccph_seq - sequence number high or low order 24 bits, depends on dccph_x |
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Port of Linux 2.6.28 for use with network simulation cradle.
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*/ |
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struct dccp_hdr { |
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__be16 dccph_sport, |
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dccph_dport; |
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__u8 dccph_doff; |
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#if defined(__LITTLE_ENDIAN_BITFIELD) |
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__u8 dccph_cscov:4, |
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dccph_ccval:4; |
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#elif defined(__BIG_ENDIAN_BITFIELD) |
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__u8 dccph_ccval:4, |
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dccph_cscov:4; |
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#else |
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#error "Adjust your <asm/byteorder.h> defines" |
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#endif |
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__sum16 dccph_checksum; |
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#if defined(__LITTLE_ENDIAN_BITFIELD) |
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__u8 dccph_x:1, |
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dccph_type:4, |
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dccph_reserved:3; |
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#elif defined(__BIG_ENDIAN_BITFIELD) |
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__u8 dccph_reserved:3, |
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dccph_type:4, |
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dccph_x:1; |
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#else |
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#error "Adjust your <asm/byteorder.h> defines" |
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#endif |
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parents:
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__u8 dccph_seq2; |
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__be16 dccph_seq; |
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}; |
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|
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/** |
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* struct dccp_hdr_ext - the low bits of a 48 bit seq packet |
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* |
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* @dccph_seq_low - low 24 bits of a 48 bit seq packet |
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*/ |
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struct dccp_hdr_ext { |
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__be32 dccph_seq_low; |
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}; |
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|
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Port of Linux 2.6.28 for use with network simulation cradle.
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/** |
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* struct dccp_hdr_request - Connection initiation request header |
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* |
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* @dccph_req_service - Service to which the client app wants to connect |
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*/ |
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struct dccp_hdr_request { |
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parents:
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__be32 dccph_req_service; |
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}; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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/** |
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* struct dccp_hdr_ack_bits - acknowledgment bits common to most packets |
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* |
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* @dccph_resp_ack_nr_high - 48 bit ack number high order bits, contains GSR |
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* @dccph_resp_ack_nr_low - 48 bit ack number low order bits, contains GSR |
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*/ |
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struct dccp_hdr_ack_bits { |
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__be16 dccph_reserved1; |
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__be16 dccph_ack_nr_high; |
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__be32 dccph_ack_nr_low; |
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}; |
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/** |
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* struct dccp_hdr_response - Connection initiation response header |
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* |
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* @dccph_resp_ack - 48 bit Acknowledgment Number Subheader (5.3) |
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* @dccph_resp_service - Echoes the Service Code on a received DCCP-Request |
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*/ |
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struct dccp_hdr_response { |
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parents:
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struct dccp_hdr_ack_bits dccph_resp_ack; |
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__be32 dccph_resp_service; |
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}; |
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|
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/** |
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* struct dccp_hdr_reset - Unconditionally shut down a connection |
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* |
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* @dccph_reset_ack - 48 bit Acknowledgment Number Subheader (5.6) |
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* @dccph_reset_code - one of %dccp_reset_codes |
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* @dccph_reset_data - the Data 1 ... Data 3 fields from 5.6 |
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*/ |
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struct dccp_hdr_reset { |
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struct dccp_hdr_ack_bits dccph_reset_ack; |
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__u8 dccph_reset_code, |
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dccph_reset_data[3]; |
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}; |
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|
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enum dccp_pkt_type { |
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DCCP_PKT_REQUEST = 0, |
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103 |
DCCP_PKT_RESPONSE, |
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DCCP_PKT_DATA, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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DCCP_PKT_ACK, |
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DCCP_PKT_DATAACK, |
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DCCP_PKT_CLOSEREQ, |
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DCCP_PKT_CLOSE, |
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109 |
DCCP_PKT_RESET, |
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DCCP_PKT_SYNC, |
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111 |
DCCP_PKT_SYNCACK, |
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112 |
DCCP_PKT_INVALID, |
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113 |
}; |
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114 |
|
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115 |
#define DCCP_NR_PKT_TYPES DCCP_PKT_INVALID |
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116 |
|
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117 |
static inline unsigned int dccp_packet_hdr_len(const __u8 type) |
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118 |
{ |
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119 |
if (type == DCCP_PKT_DATA) |
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120 |
return 0; |
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121 |
if (type == DCCP_PKT_DATAACK || |
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122 |
type == DCCP_PKT_ACK || |
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123 |
type == DCCP_PKT_SYNC || |
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124 |
type == DCCP_PKT_SYNCACK || |
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125 |
type == DCCP_PKT_CLOSE || |
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126 |
type == DCCP_PKT_CLOSEREQ) |
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127 |
return sizeof(struct dccp_hdr_ack_bits); |
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128 |
if (type == DCCP_PKT_REQUEST) |
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129 |
return sizeof(struct dccp_hdr_request); |
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130 |
if (type == DCCP_PKT_RESPONSE) |
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131 |
return sizeof(struct dccp_hdr_response); |
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132 |
return sizeof(struct dccp_hdr_reset); |
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133 |
} |
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134 |
enum dccp_reset_codes { |
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DCCP_RESET_CODE_UNSPECIFIED = 0, |
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136 |
DCCP_RESET_CODE_CLOSED, |
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DCCP_RESET_CODE_ABORTED, |
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138 |
DCCP_RESET_CODE_NO_CONNECTION, |
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139 |
DCCP_RESET_CODE_PACKET_ERROR, |
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140 |
DCCP_RESET_CODE_OPTION_ERROR, |
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parents:
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141 |
DCCP_RESET_CODE_MANDATORY_ERROR, |
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142 |
DCCP_RESET_CODE_CONNECTION_REFUSED, |
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143 |
DCCP_RESET_CODE_BAD_SERVICE_CODE, |
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144 |
DCCP_RESET_CODE_TOO_BUSY, |
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145 |
DCCP_RESET_CODE_BAD_INIT_COOKIE, |
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146 |
DCCP_RESET_CODE_AGGRESSION_PENALTY, |
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147 |
|
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148 |
DCCP_MAX_RESET_CODES /* Leave at the end! */ |
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149 |
}; |
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150 |
|
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151 |
/* DCCP options */ |
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152 |
enum { |
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153 |
DCCPO_PADDING = 0, |
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154 |
DCCPO_MANDATORY = 1, |
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155 |
DCCPO_MIN_RESERVED = 3, |
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156 |
DCCPO_MAX_RESERVED = 31, |
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157 |
DCCPO_CHANGE_L = 32, |
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158 |
DCCPO_CONFIRM_L = 33, |
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159 |
DCCPO_CHANGE_R = 34, |
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160 |
DCCPO_CONFIRM_R = 35, |
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|
161 |
DCCPO_NDP_COUNT = 37, |
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parents:
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|
162 |
DCCPO_ACK_VECTOR_0 = 38, |
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parents:
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|
163 |
DCCPO_ACK_VECTOR_1 = 39, |
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parents:
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|
164 |
DCCPO_TIMESTAMP = 41, |
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parents:
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|
165 |
DCCPO_TIMESTAMP_ECHO = 42, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
166 |
DCCPO_ELAPSED_TIME = 43, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
167 |
DCCPO_MAX = 45, |
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parents:
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|
168 |
DCCPO_MIN_CCID_SPECIFIC = 128, |
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parents:
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|
169 |
DCCPO_MAX_CCID_SPECIFIC = 255, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
170 |
}; |
2 | 171 |
/* maximum size of a single TLV-encoded DCCP option (sans type/len bytes) */ |
172 |
#define DCCP_SINGLE_OPT_MAXLEN 253 |
|
0
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|
173 |
|
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parents:
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|
174 |
/* DCCP CCIDS */ |
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|
175 |
enum { |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
176 |
DCCPC_CCID2 = 2, |
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parents:
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|
177 |
DCCPC_CCID3 = 3, |
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parents:
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|
178 |
}; |
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parents:
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|
179 |
|
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parents:
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|
180 |
/* DCCP features (RFC 4340 section 6.4) */ |
2 | 181 |
enum dccp_feature_numbers { |
0
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parents:
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|
182 |
DCCPF_RESERVED = 0, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
183 |
DCCPF_CCID = 1, |
2 | 184 |
DCCPF_SHORT_SEQNOS = 2, |
0
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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changeset
|
185 |
DCCPF_SEQUENCE_WINDOW = 3, |
2 | 186 |
DCCPF_ECN_INCAPABLE = 4, |
0
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parents:
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|
187 |
DCCPF_ACK_RATIO = 5, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
188 |
DCCPF_SEND_ACK_VECTOR = 6, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
189 |
DCCPF_SEND_NDP_COUNT = 7, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
190 |
DCCPF_MIN_CSUM_COVER = 8, |
2 | 191 |
DCCPF_DATA_CHECKSUM = 9, |
0
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
192 |
/* 10-127 reserved */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
193 |
DCCPF_MIN_CCID_SPECIFIC = 128, |
2 | 194 |
DCCPF_SEND_LEV_RATE = 192, /* RFC 4342, sec. 8.4 */ |
0
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
195 |
DCCPF_MAX_CCID_SPECIFIC = 255, |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
196 |
}; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
197 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
198 |
/* DCCP socket options */ |
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parents:
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|
199 |
#define DCCP_SOCKOPT_PACKET_SIZE 1 /* XXX deprecated, without effect */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
200 |
#define DCCP_SOCKOPT_SERVICE 2 |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
201 |
#define DCCP_SOCKOPT_CHANGE_L 3 |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
202 |
#define DCCP_SOCKOPT_CHANGE_R 4 |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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changeset
|
203 |
#define DCCP_SOCKOPT_GET_CUR_MPS 5 |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
204 |
#define DCCP_SOCKOPT_SERVER_TIMEWAIT 6 |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
205 |
#define DCCP_SOCKOPT_SEND_CSCOV 10 |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
206 |
#define DCCP_SOCKOPT_RECV_CSCOV 11 |
2 | 207 |
#define DCCP_SOCKOPT_AVAILABLE_CCIDS 12 |
208 |
#define DCCP_SOCKOPT_CCID 13 |
|
209 |
#define DCCP_SOCKOPT_TX_CCID 14 |
|
210 |
#define DCCP_SOCKOPT_RX_CCID 15 |
|
0
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
211 |
#define DCCP_SOCKOPT_CCID_RX_INFO 128 |
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parents:
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|
212 |
#define DCCP_SOCKOPT_CCID_TX_INFO 192 |
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parents:
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|
213 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
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|
214 |
/* maximum number of services provided on the same listening port */ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
215 |
#define DCCP_SERVICE_LIST_MAX_LEN 32 |
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parents:
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|
216 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
217 |
#ifdef __KERNEL__ |
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|
218 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
219 |
#include <linux/in.h> |
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|
220 |
#include <linux/ktime.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
221 |
#include <linux/list.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
222 |
#include <linux/uio.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
223 |
#include <linux/workqueue.h> |
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parents:
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|
224 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
225 |
#include <net/inet_connection_sock.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
226 |
#include <net/inet_sock.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
227 |
#include <net/inet_timewait_sock.h> |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
228 |
#include <net/tcp_states.h> |
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parents:
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|
229 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
230 |
enum dccp_state { |
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DCCP_OPEN = TCP_ESTABLISHED, |
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DCCP_REQUESTING = TCP_SYN_SENT, |
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DCCP_LISTEN = TCP_LISTEN, |
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DCCP_RESPOND = TCP_SYN_RECV, |
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/* |
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* States involved in closing a DCCP connection: |
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* 1) ACTIVE_CLOSEREQ is entered by a server sending a CloseReq. |
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238 |
* |
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239 |
* 2) CLOSING can have three different meanings (RFC 4340, 8.3): |
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240 |
* a. Client has performed active-close, has sent a Close to the server |
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241 |
* from state OPEN or PARTOPEN, and is waiting for the final Reset |
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* (in this case, SOCK_DONE == 1). |
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* b. Client is asked to perform passive-close, by receiving a CloseReq |
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* in (PART)OPEN state. It sends a Close and waits for final Reset |
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* (in this case, SOCK_DONE == 0). |
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* c. Server performs an active-close as in (a), keeps TIMEWAIT state. |
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247 |
* |
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* 3) The following intermediate states are employed to give passively |
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249 |
* closing nodes a chance to process their unread data: |
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250 |
* - PASSIVE_CLOSE (from OPEN => CLOSED) and |
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* - PASSIVE_CLOSEREQ (from (PART)OPEN to CLOSING; case (b) above). |
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252 |
*/ |
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DCCP_ACTIVE_CLOSEREQ = TCP_FIN_WAIT1, |
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DCCP_PASSIVE_CLOSE = TCP_CLOSE_WAIT, /* any node receiving a Close */ |
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DCCP_CLOSING = TCP_CLOSING, |
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DCCP_TIME_WAIT = TCP_TIME_WAIT, |
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DCCP_CLOSED = TCP_CLOSE, |
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258 |
DCCP_PARTOPEN = TCP_MAX_STATES, |
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259 |
DCCP_PASSIVE_CLOSEREQ, /* clients receiving CloseReq */ |
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260 |
DCCP_MAX_STATES |
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261 |
}; |
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262 |
|
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263 |
#define DCCP_STATE_MASK 0x1f |
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264 |
|
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265 |
enum { |
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DCCPF_OPEN = TCPF_ESTABLISHED, |
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267 |
DCCPF_REQUESTING = TCPF_SYN_SENT, |
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268 |
DCCPF_LISTEN = TCPF_LISTEN, |
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269 |
DCCPF_RESPOND = TCPF_SYN_RECV, |
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270 |
DCCPF_ACTIVE_CLOSEREQ = TCPF_FIN_WAIT1, |
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271 |
DCCPF_CLOSING = TCPF_CLOSING, |
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272 |
DCCPF_TIME_WAIT = TCPF_TIME_WAIT, |
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273 |
DCCPF_CLOSED = TCPF_CLOSE, |
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274 |
DCCPF_PARTOPEN = (1 << DCCP_PARTOPEN), |
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275 |
}; |
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|
276 |
|
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277 |
static inline struct dccp_hdr *dccp_hdr(const struct sk_buff *skb) |
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278 |
{ |
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279 |
return (struct dccp_hdr *)skb_transport_header(skb); |
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|
280 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
281 |
|
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282 |
static inline struct dccp_hdr *dccp_zeroed_hdr(struct sk_buff *skb, int headlen) |
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|
283 |
{ |
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|
284 |
skb_push(skb, headlen); |
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|
285 |
skb_reset_transport_header(skb); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
286 |
return memset(skb_transport_header(skb), 0, headlen); |
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|
287 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
288 |
|
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289 |
static inline struct dccp_hdr_ext *dccp_hdrx(const struct dccp_hdr *dh) |
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|
290 |
{ |
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|
291 |
return (struct dccp_hdr_ext *)((unsigned char *)dh + sizeof(*dh)); |
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|
292 |
} |
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|
293 |
|
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|
294 |
static inline unsigned int __dccp_basic_hdr_len(const struct dccp_hdr *dh) |
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|
295 |
{ |
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|
296 |
return sizeof(*dh) + (dh->dccph_x ? sizeof(struct dccp_hdr_ext) : 0); |
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|
297 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
298 |
|
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|
299 |
static inline unsigned int dccp_basic_hdr_len(const struct sk_buff *skb) |
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|
300 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
301 |
const struct dccp_hdr *dh = dccp_hdr(skb); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
302 |
return __dccp_basic_hdr_len(dh); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
303 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
304 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
305 |
static inline __u64 dccp_hdr_seq(const struct dccp_hdr *dh) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
306 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
307 |
__u64 seq_nr = ntohs(dh->dccph_seq); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
308 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
309 |
if (dh->dccph_x != 0) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
310 |
seq_nr = (seq_nr << 32) + ntohl(dccp_hdrx(dh)->dccph_seq_low); |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
311 |
else |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
312 |
seq_nr += (u32)dh->dccph_seq2 << 16; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
313 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
314 |
return seq_nr; |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
315 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
316 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
317 |
static inline struct dccp_hdr_request *dccp_hdr_request(struct sk_buff *skb) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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|
318 |
{ |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
319 |
return (struct dccp_hdr_request *)(skb_transport_header(skb) + |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
320 |
dccp_basic_hdr_len(skb)); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
321 |
} |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
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|
322 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
323 |
static inline struct dccp_hdr_ack_bits *dccp_hdr_ack_bits(const struct sk_buff *skb) |
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
324 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
325 |
return (struct dccp_hdr_ack_bits *)(skb_transport_header(skb) + |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
326 |
dccp_basic_hdr_len(skb)); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
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|
327 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
328 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
329 |
static inline u64 dccp_hdr_ack_seq(const struct sk_buff *skb) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
330 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
331 |
const struct dccp_hdr_ack_bits *dhack = dccp_hdr_ack_bits(skb); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
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|
332 |
return ((u64)ntohs(dhack->dccph_ack_nr_high) << 32) + ntohl(dhack->dccph_ack_nr_low); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
333 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
334 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
335 |
static inline struct dccp_hdr_response *dccp_hdr_response(struct sk_buff *skb) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
336 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
337 |
return (struct dccp_hdr_response *)(skb_transport_header(skb) + |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
338 |
dccp_basic_hdr_len(skb)); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
339 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
340 |
|
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Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
341 |
static inline struct dccp_hdr_reset *dccp_hdr_reset(struct sk_buff *skb) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
342 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
343 |
return (struct dccp_hdr_reset *)(skb_transport_header(skb) + |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
344 |
dccp_basic_hdr_len(skb)); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
345 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
346 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
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parents:
diff
changeset
|
347 |
static inline unsigned int __dccp_hdr_len(const struct dccp_hdr *dh) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
348 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
349 |
return __dccp_basic_hdr_len(dh) + |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
350 |
dccp_packet_hdr_len(dh->dccph_type); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
351 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
352 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
353 |
static inline unsigned int dccp_hdr_len(const struct sk_buff *skb) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
354 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
355 |
return __dccp_hdr_len(dccp_hdr(skb)); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
356 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
357 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
358 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
359 |
/* initial values for each feature */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
360 |
#define DCCPF_INITIAL_SEQUENCE_WINDOW 100 |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
361 |
#define DCCPF_INITIAL_ACK_RATIO 2 |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
362 |
#define DCCPF_INITIAL_CCID DCCPC_CCID2 |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
363 |
/* FIXME: for now we're default to 1 but it should really be 0 */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
364 |
#define DCCPF_INITIAL_SEND_NDP_COUNT 1 |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
365 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
366 |
/** |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
367 |
* struct dccp_minisock - Minimal DCCP connection representation |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
368 |
* |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
369 |
* Will be used to pass the state from dccp_request_sock to dccp_sock. |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
370 |
* |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
371 |
* @dccpms_sequence_window - Sequence Window Feature (section 7.5.2) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
372 |
* @dccpms_pending - List of features being negotiated |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
373 |
* @dccpms_conf - |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
374 |
*/ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
375 |
struct dccp_minisock { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
376 |
__u64 dccpms_sequence_window; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
377 |
struct list_head dccpms_pending; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
378 |
struct list_head dccpms_conf; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
379 |
}; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
380 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
381 |
struct dccp_opt_conf { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
382 |
__u8 *dccpoc_val; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
383 |
__u8 dccpoc_len; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
384 |
}; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
385 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
386 |
struct dccp_opt_pend { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
387 |
struct list_head dccpop_node; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
388 |
__u8 dccpop_type; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
389 |
__u8 dccpop_feat; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
390 |
__u8 *dccpop_val; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
391 |
__u8 dccpop_len; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
392 |
int dccpop_conf; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
393 |
struct dccp_opt_conf *dccpop_sc; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
394 |
}; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
395 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
396 |
extern void dccp_minisock_init(struct dccp_minisock *dmsk); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
397 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
398 |
/** |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
399 |
* struct dccp_request_sock - represent DCCP-specific connection request |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
400 |
* @dreq_inet_rsk: structure inherited from |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
401 |
* @dreq_iss: initial sequence number sent on the Response (RFC 4340, 7.1) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
402 |
* @dreq_isr: initial sequence number received on the Request |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
403 |
* @dreq_service: service code present on the Request (there is just one) |
2 | 404 |
* @dreq_featneg: feature negotiation options for this connection |
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
405 |
* The following two fields are analogous to the ones in dccp_sock: |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
406 |
* @dreq_timestamp_echo: last received timestamp to echo (13.1) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
407 |
* @dreq_timestamp_echo: the time of receiving the last @dreq_timestamp_echo |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
408 |
*/ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
409 |
struct dccp_request_sock { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
410 |
struct inet_request_sock dreq_inet_rsk; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
411 |
__u64 dreq_iss; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
412 |
__u64 dreq_isr; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
413 |
__be32 dreq_service; |
2 | 414 |
struct list_head dreq_featneg; |
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
415 |
__u32 dreq_timestamp_echo; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
416 |
__u32 dreq_timestamp_time; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
417 |
}; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
418 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
419 |
static inline struct dccp_request_sock *dccp_rsk(const struct request_sock *req) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
420 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
421 |
return (struct dccp_request_sock *)req; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
422 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
423 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
424 |
extern struct inet_timewait_death_row dccp_death_row; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
425 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
426 |
extern int dccp_parse_options(struct sock *sk, struct dccp_request_sock *dreq, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
427 |
struct sk_buff *skb); |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
428 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
429 |
struct dccp_options_received { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
430 |
u64 dccpor_ndp:48; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
431 |
u32 dccpor_timestamp; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
432 |
u32 dccpor_timestamp_echo; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
433 |
u32 dccpor_elapsed_time; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
434 |
}; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
435 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
436 |
struct ccid; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
437 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
438 |
enum dccp_role { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
439 |
DCCP_ROLE_UNDEFINED, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
440 |
DCCP_ROLE_LISTEN, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
441 |
DCCP_ROLE_CLIENT, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
442 |
DCCP_ROLE_SERVER, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
443 |
}; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
444 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
445 |
struct dccp_service_list { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
446 |
__u32 dccpsl_nr; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
447 |
__be32 dccpsl_list[0]; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
448 |
}; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
449 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
450 |
#define DCCP_SERVICE_INVALID_VALUE htonl((__u32)-1) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
451 |
#define DCCP_SERVICE_CODE_IS_ABSENT 0 |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
452 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
453 |
static inline int dccp_list_has_service(const struct dccp_service_list *sl, |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
454 |
const __be32 service) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
455 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
456 |
if (likely(sl != NULL)) { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
457 |
u32 i = sl->dccpsl_nr; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
458 |
while (i--) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
459 |
if (sl->dccpsl_list[i] == service) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
460 |
return 1; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
461 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
462 |
return 0; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
463 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
464 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
465 |
struct dccp_ackvec; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
466 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
467 |
/** |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
468 |
* struct dccp_sock - DCCP socket state |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
469 |
* |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
470 |
* @dccps_swl - sequence number window low |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
471 |
* @dccps_swh - sequence number window high |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
472 |
* @dccps_awl - acknowledgement number window low |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
473 |
* @dccps_awh - acknowledgement number window high |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
474 |
* @dccps_iss - initial sequence number sent |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
475 |
* @dccps_isr - initial sequence number received |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
476 |
* @dccps_osr - first OPEN sequence number received |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
477 |
* @dccps_gss - greatest sequence number sent |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
478 |
* @dccps_gsr - greatest valid sequence number received |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
479 |
* @dccps_gar - greatest valid ack number received on a non-Sync; initialized to %dccps_iss |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
480 |
* @dccps_service - first (passive sock) or unique (active sock) service code |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
481 |
* @dccps_service_list - second .. last service code on passive socket |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
482 |
* @dccps_timestamp_echo - latest timestamp received on a TIMESTAMP option |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
483 |
* @dccps_timestamp_time - time of receiving latest @dccps_timestamp_echo |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
484 |
* @dccps_l_ack_ratio - feature-local Ack Ratio |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
485 |
* @dccps_r_ack_ratio - feature-remote Ack Ratio |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
486 |
* @dccps_pcslen - sender partial checksum coverage (via sockopt) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
487 |
* @dccps_pcrlen - receiver partial checksum coverage (via sockopt) |
2 | 488 |
* @dccps_send_ndp_count - local Send NDP Count feature (7.7.2) |
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
489 |
* @dccps_ndp_count - number of Non Data Packets since last data packet |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
490 |
* @dccps_mss_cache - current value of MSS (path MTU minus header sizes) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
491 |
* @dccps_rate_last - timestamp for rate-limiting DCCP-Sync (RFC 4340, 7.5.4) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
492 |
* @dccps_minisock - associated minisock (accessed via dccp_msk) |
2 | 493 |
* @dccps_featneg - tracks feature-negotiation state (mostly during handshake) |
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
494 |
* @dccps_hc_rx_ackvec - rx half connection ack vector |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
495 |
* @dccps_hc_rx_ccid - CCID used for the receiver (or receiving half-connection) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
496 |
* @dccps_hc_tx_ccid - CCID used for the sender (or sending half-connection) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
497 |
* @dccps_options_received - parsed set of retrieved options |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
498 |
* @dccps_role - role of this sock, one of %dccp_role |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
499 |
* @dccps_hc_rx_insert_options - receiver wants to add options when acking |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
500 |
* @dccps_hc_tx_insert_options - sender wants to add options when sending |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
501 |
* @dccps_server_timewait - server holds timewait state on close (RFC 4340, 8.3) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
502 |
* @dccps_xmit_timer - timer for when CCID is not ready to send |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
503 |
* @dccps_syn_rtt - RTT sample from Request/Response exchange (in usecs) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
504 |
*/ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
505 |
struct dccp_sock { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
506 |
/* inet_connection_sock has to be the first member of dccp_sock */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
507 |
struct inet_connection_sock dccps_inet_connection; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
508 |
#define dccps_syn_rtt dccps_inet_connection.icsk_ack.lrcvtime |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
509 |
__u64 dccps_swl; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
510 |
__u64 dccps_swh; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
511 |
__u64 dccps_awl; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
512 |
__u64 dccps_awh; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
513 |
__u64 dccps_iss; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
514 |
__u64 dccps_isr; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
515 |
__u64 dccps_osr; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
516 |
__u64 dccps_gss; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
517 |
__u64 dccps_gsr; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
518 |
__u64 dccps_gar; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
519 |
__be32 dccps_service; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
520 |
__u32 dccps_mss_cache; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
521 |
struct dccp_service_list *dccps_service_list; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
522 |
__u32 dccps_timestamp_echo; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
523 |
__u32 dccps_timestamp_time; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
524 |
__u16 dccps_l_ack_ratio; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
525 |
__u16 dccps_r_ack_ratio; |
2 | 526 |
__u8 dccps_pcslen:4; |
527 |
__u8 dccps_pcrlen:4; |
|
528 |
__u8 dccps_send_ndp_count:1; |
|
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
529 |
__u64 dccps_ndp_count:48; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
530 |
unsigned long dccps_rate_last; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
531 |
struct dccp_minisock dccps_minisock; |
2 | 532 |
struct list_head dccps_featneg; |
0
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
533 |
struct dccp_ackvec *dccps_hc_rx_ackvec; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
534 |
struct ccid *dccps_hc_rx_ccid; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
535 |
struct ccid *dccps_hc_tx_ccid; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
536 |
struct dccp_options_received dccps_options_received; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
537 |
enum dccp_role dccps_role:2; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
538 |
__u8 dccps_hc_rx_insert_options:1; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
539 |
__u8 dccps_hc_tx_insert_options:1; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
540 |
__u8 dccps_server_timewait:1; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
541 |
struct timer_list dccps_xmit_timer; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
542 |
}; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
543 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
544 |
static inline struct dccp_sock *dccp_sk(const struct sock *sk) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
545 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
546 |
return (struct dccp_sock *)sk; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
547 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
548 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
549 |
static inline struct dccp_minisock *dccp_msk(const struct sock *sk) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
550 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
551 |
return (struct dccp_minisock *)&dccp_sk(sk)->dccps_minisock; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
552 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
553 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
554 |
static inline const char *dccp_role(const struct sock *sk) |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
555 |
{ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
556 |
switch (dccp_sk(sk)->dccps_role) { |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
557 |
case DCCP_ROLE_UNDEFINED: return "undefined"; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
558 |
case DCCP_ROLE_LISTEN: return "listen"; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
559 |
case DCCP_ROLE_SERVER: return "server"; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
560 |
case DCCP_ROLE_CLIENT: return "client"; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
561 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
562 |
return NULL; |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
563 |
} |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
564 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
565 |
#endif /* __KERNEL__ */ |
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
|
566 |
|
aa628870c1d3
Port of Linux 2.6.28 for use with network simulation cradle.
Florian Westphal <fw@strlen.de>
parents:
diff
changeset
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567 |
#endif /* _LINUX_DCCP_H */ |