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authorDavid Howells <dhowells@redhat.com>2012-10-13 05:46:48 -0400
committerDavid Howells <dhowells@redhat.com>2012-10-13 05:46:48 -0400
commit607ca46e97a1b6594b29647d98a32d545c24bdff (patch)
tree30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/linux/dccp.h
parent08cce05c5a91f5017f4edc9866cf026908c73f9f (diff)
UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/linux/dccp.h')
-rw-r--r--include/linux/dccp.h236
1 files changed, 1 insertions, 235 deletions
diff --git a/include/linux/dccp.h b/include/linux/dccp.h
index d16294e2a118..439ff698000a 100644
--- a/include/linux/dccp.h
+++ b/include/linux/dccp.h
@@ -1,239 +1,6 @@
1#ifndef _LINUX_DCCP_H 1#ifndef _LINUX_DCCP_H
2#define _LINUX_DCCP_H 2#define _LINUX_DCCP_H
3 3
4#include <linux/types.h>
5#include <asm/byteorder.h>
6
7/**
8 * struct dccp_hdr - generic part of DCCP packet header
9 *
10 * @dccph_sport - Relevant port on the endpoint that sent this packet
11 * @dccph_dport - Relevant port on the other endpoint
12 * @dccph_doff - Data Offset from the start of the DCCP header, in 32-bit words
13 * @dccph_ccval - Used by the HC-Sender CCID
14 * @dccph_cscov - Parts of the packet that are covered by the Checksum field
15 * @dccph_checksum - Internet checksum, depends on dccph_cscov
16 * @dccph_x - 0 = 24 bit sequence number, 1 = 48
17 * @dccph_type - packet type, see DCCP_PKT_ prefixed macros
18 * @dccph_seq - sequence number high or low order 24 bits, depends on dccph_x
19 */
20struct dccp_hdr {
21 __be16 dccph_sport,
22 dccph_dport;
23 __u8 dccph_doff;
24#if defined(__LITTLE_ENDIAN_BITFIELD)
25 __u8 dccph_cscov:4,
26 dccph_ccval:4;
27#elif defined(__BIG_ENDIAN_BITFIELD)
28 __u8 dccph_ccval:4,
29 dccph_cscov:4;
30#else
31#error "Adjust your <asm/byteorder.h> defines"
32#endif
33 __sum16 dccph_checksum;
34#if defined(__LITTLE_ENDIAN_BITFIELD)
35 __u8 dccph_x:1,
36 dccph_type:4,
37 dccph_reserved:3;
38#elif defined(__BIG_ENDIAN_BITFIELD)
39 __u8 dccph_reserved:3,
40 dccph_type:4,
41 dccph_x:1;
42#else
43#error "Adjust your <asm/byteorder.h> defines"
44#endif
45 __u8 dccph_seq2;
46 __be16 dccph_seq;
47};
48
49/**
50 * struct dccp_hdr_ext - the low bits of a 48 bit seq packet
51 *
52 * @dccph_seq_low - low 24 bits of a 48 bit seq packet
53 */
54struct dccp_hdr_ext {
55 __be32 dccph_seq_low;
56};
57
58/**
59 * struct dccp_hdr_request - Connection initiation request header
60 *
61 * @dccph_req_service - Service to which the client app wants to connect
62 */
63struct dccp_hdr_request {
64 __be32 dccph_req_service;
65};
66/**
67 * struct dccp_hdr_ack_bits - acknowledgment bits common to most packets
68 *
69 * @dccph_resp_ack_nr_high - 48 bit ack number high order bits, contains GSR
70 * @dccph_resp_ack_nr_low - 48 bit ack number low order bits, contains GSR
71 */
72struct dccp_hdr_ack_bits {
73 __be16 dccph_reserved1;
74 __be16 dccph_ack_nr_high;
75 __be32 dccph_ack_nr_low;
76};
77/**
78 * struct dccp_hdr_response - Connection initiation response header
79 *
80 * @dccph_resp_ack - 48 bit Acknowledgment Number Subheader (5.3)
81 * @dccph_resp_service - Echoes the Service Code on a received DCCP-Request
82 */
83struct dccp_hdr_response {
84 struct dccp_hdr_ack_bits dccph_resp_ack;
85 __be32 dccph_resp_service;
86};
87
88/**
89 * struct dccp_hdr_reset - Unconditionally shut down a connection
90 *
91 * @dccph_reset_ack - 48 bit Acknowledgment Number Subheader (5.6)
92 * @dccph_reset_code - one of %dccp_reset_codes
93 * @dccph_reset_data - the Data 1 ... Data 3 fields from 5.6
94 */
95struct dccp_hdr_reset {
96 struct dccp_hdr_ack_bits dccph_reset_ack;
97 __u8 dccph_reset_code,
98 dccph_reset_data[3];
99};
100
101enum dccp_pkt_type {
102 DCCP_PKT_REQUEST = 0,
103 DCCP_PKT_RESPONSE,
104 DCCP_PKT_DATA,
105 DCCP_PKT_ACK,
106 DCCP_PKT_DATAACK,
107 DCCP_PKT_CLOSEREQ,
108 DCCP_PKT_CLOSE,
109 DCCP_PKT_RESET,
110 DCCP_PKT_SYNC,
111 DCCP_PKT_SYNCACK,
112 DCCP_PKT_INVALID,
113};
114
115#define DCCP_NR_PKT_TYPES DCCP_PKT_INVALID
116
117static inline unsigned int dccp_packet_hdr_len(const __u8 type)
118{
119 if (type == DCCP_PKT_DATA)
120 return 0;
121 if (type == DCCP_PKT_DATAACK ||
122 type == DCCP_PKT_ACK ||
123 type == DCCP_PKT_SYNC ||
124 type == DCCP_PKT_SYNCACK ||
125 type == DCCP_PKT_CLOSE ||
126 type == DCCP_PKT_CLOSEREQ)
127 return sizeof(struct dccp_hdr_ack_bits);
128 if (type == DCCP_PKT_REQUEST)
129 return sizeof(struct dccp_hdr_request);
130 if (type == DCCP_PKT_RESPONSE)
131 return sizeof(struct dccp_hdr_response);
132 return sizeof(struct dccp_hdr_reset);
133}
134enum dccp_reset_codes {
135 DCCP_RESET_CODE_UNSPECIFIED = 0,
136 DCCP_RESET_CODE_CLOSED,
137 DCCP_RESET_CODE_ABORTED,
138 DCCP_RESET_CODE_NO_CONNECTION,
139 DCCP_RESET_CODE_PACKET_ERROR,
140 DCCP_RESET_CODE_OPTION_ERROR,
141 DCCP_RESET_CODE_MANDATORY_ERROR,
142 DCCP_RESET_CODE_CONNECTION_REFUSED,
143 DCCP_RESET_CODE_BAD_SERVICE_CODE,
144 DCCP_RESET_CODE_TOO_BUSY,
145 DCCP_RESET_CODE_BAD_INIT_COOKIE,
146 DCCP_RESET_CODE_AGGRESSION_PENALTY,
147
148 DCCP_MAX_RESET_CODES /* Leave at the end! */
149};
150
151/* DCCP options */
152enum {
153 DCCPO_PADDING = 0,
154 DCCPO_MANDATORY = 1,
155 DCCPO_MIN_RESERVED = 3,
156 DCCPO_MAX_RESERVED = 31,
157 DCCPO_CHANGE_L = 32,
158 DCCPO_CONFIRM_L = 33,
159 DCCPO_CHANGE_R = 34,
160 DCCPO_CONFIRM_R = 35,
161 DCCPO_NDP_COUNT = 37,
162 DCCPO_ACK_VECTOR_0 = 38,
163 DCCPO_ACK_VECTOR_1 = 39,
164 DCCPO_TIMESTAMP = 41,
165 DCCPO_TIMESTAMP_ECHO = 42,
166 DCCPO_ELAPSED_TIME = 43,
167 DCCPO_MAX = 45,
168 DCCPO_MIN_RX_CCID_SPECIFIC = 128, /* from sender to receiver */
169 DCCPO_MAX_RX_CCID_SPECIFIC = 191,
170 DCCPO_MIN_TX_CCID_SPECIFIC = 192, /* from receiver to sender */
171 DCCPO_MAX_TX_CCID_SPECIFIC = 255,
172};
173/* maximum size of a single TLV-encoded DCCP option (sans type/len bytes) */
174#define DCCP_SINGLE_OPT_MAXLEN 253
175
176/* DCCP CCIDS */
177enum {
178 DCCPC_CCID2 = 2,
179 DCCPC_CCID3 = 3,
180};
181
182/* DCCP features (RFC 4340 section 6.4) */
183enum dccp_feature_numbers {
184 DCCPF_RESERVED = 0,
185 DCCPF_CCID = 1,
186 DCCPF_SHORT_SEQNOS = 2,
187 DCCPF_SEQUENCE_WINDOW = 3,
188 DCCPF_ECN_INCAPABLE = 4,
189 DCCPF_ACK_RATIO = 5,
190 DCCPF_SEND_ACK_VECTOR = 6,
191 DCCPF_SEND_NDP_COUNT = 7,
192 DCCPF_MIN_CSUM_COVER = 8,
193 DCCPF_DATA_CHECKSUM = 9,
194 /* 10-127 reserved */
195 DCCPF_MIN_CCID_SPECIFIC = 128,
196 DCCPF_SEND_LEV_RATE = 192, /* RFC 4342, sec. 8.4 */
197 DCCPF_MAX_CCID_SPECIFIC = 255,
198};
199
200/* DCCP socket control message types for cmsg */
201enum dccp_cmsg_type {
202 DCCP_SCM_PRIORITY = 1,
203 DCCP_SCM_QPOLICY_MAX = 0xFFFF,
204 /* ^-- Up to here reserved exclusively for qpolicy parameters */
205 DCCP_SCM_MAX
206};
207
208/* DCCP priorities for outgoing/queued packets */
209enum dccp_packet_dequeueing_policy {
210 DCCPQ_POLICY_SIMPLE,
211 DCCPQ_POLICY_PRIO,
212 DCCPQ_POLICY_MAX
213};
214
215/* DCCP socket options */
216#define DCCP_SOCKOPT_PACKET_SIZE 1 /* XXX deprecated, without effect */
217#define DCCP_SOCKOPT_SERVICE 2
218#define DCCP_SOCKOPT_CHANGE_L 3
219#define DCCP_SOCKOPT_CHANGE_R 4
220#define DCCP_SOCKOPT_GET_CUR_MPS 5
221#define DCCP_SOCKOPT_SERVER_TIMEWAIT 6
222#define DCCP_SOCKOPT_SEND_CSCOV 10
223#define DCCP_SOCKOPT_RECV_CSCOV 11
224#define DCCP_SOCKOPT_AVAILABLE_CCIDS 12
225#define DCCP_SOCKOPT_CCID 13
226#define DCCP_SOCKOPT_TX_CCID 14
227#define DCCP_SOCKOPT_RX_CCID 15
228#define DCCP_SOCKOPT_QPOLICY_ID 16
229#define DCCP_SOCKOPT_QPOLICY_TXQLEN 17
230#define DCCP_SOCKOPT_CCID_RX_INFO 128
231#define DCCP_SOCKOPT_CCID_TX_INFO 192
232
233/* maximum number of services provided on the same listening port */
234#define DCCP_SERVICE_LIST_MAX_LEN 32
235
236#ifdef __KERNEL__
237 4
238#include <linux/in.h> 5#include <linux/in.h>
239#include <linux/interrupt.h> 6#include <linux/interrupt.h>
@@ -246,6 +13,7 @@ enum dccp_packet_dequeueing_policy {
246#include <net/inet_sock.h> 13#include <net/inet_sock.h>
247#include <net/inet_timewait_sock.h> 14#include <net/inet_timewait_sock.h>
248#include <net/tcp_states.h> 15#include <net/tcp_states.h>
16#include <uapi/linux/dccp.h>
249 17
250enum dccp_state { 18enum dccp_state {
251 DCCP_OPEN = TCP_ESTABLISHED, 19 DCCP_OPEN = TCP_ESTABLISHED,
@@ -551,6 +319,4 @@ static inline const char *dccp_role(const struct sock *sk)
551 319
552extern void dccp_syn_ack_timeout(struct sock *sk, struct request_sock *req); 320extern void dccp_syn_ack_timeout(struct sock *sk, struct request_sock *req);
553 321
554#endif /* __KERNEL__ */
555
556#endif /* _LINUX_DCCP_H */ 322#endif /* _LINUX_DCCP_H */
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