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annotate src/event/ngx_event_quic_transport.h @ 8643:5fdd0ef42232 quic

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QUIC: macros for manipulating header protection and reserved bits. This gets rid of magic numbers from quic protection and allows to push down header construction specifics further to quic transport.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 17 Nov 2020 21:32:22 +0000
parents 05b1ee464350
children 2dfc5ef29973
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1
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 */
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7 #ifndef _NGX_EVENT_QUIC_WIRE_H_INCLUDED_
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8 #define _NGX_EVENT_QUIC_WIRE_H_INCLUDED_
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10
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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15 /* QUIC flags in first byte, see quic-transport 17.2 and 17.3 */
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16
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17 #define NGX_QUIC_PKT_LONG 0x80 /* header form */
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18 #define NGX_QUIC_PKT_FIXED_BIT 0x40
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19 #define NGX_QUIC_PKT_TYPE 0x30 /* in long packet */
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20 #define NGX_QUIC_PKT_KPHASE 0x04 /* in short packet */
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21
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22 #define ngx_quic_long_pkt(flags) ((flags) & NGX_QUIC_PKT_LONG)
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23 #define ngx_quic_short_pkt(flags) (((flags) & NGX_QUIC_PKT_LONG) == 0)
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25 /* Long packet types */
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26 #define NGX_QUIC_PKT_INITIAL 0x00
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27 #define NGX_QUIC_PKT_ZRTT 0x10
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28 #define NGX_QUIC_PKT_HANDSHAKE 0x20
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29 #define NGX_QUIC_PKT_RETRY 0x30
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31 #define ngx_quic_pkt_in(flags) \
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32 (((flags) & NGX_QUIC_PKT_TYPE) == NGX_QUIC_PKT_INITIAL)
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33 #define ngx_quic_pkt_zrtt(flags) \
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34 (((flags) & NGX_QUIC_PKT_TYPE) == NGX_QUIC_PKT_ZRTT)
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35 #define ngx_quic_pkt_hs(flags) \
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36 (((flags) & NGX_QUIC_PKT_TYPE) == NGX_QUIC_PKT_HANDSHAKE)
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37 #define ngx_quic_pkt_retry(flags) \
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38 (((flags) & NGX_QUIC_PKT_TYPE) == NGX_QUIC_PKT_RETRY)
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40 #define ngx_quic_pkt_rb_mask(flags) \
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41 (ngx_quic_long_pkt(flags) ? 0x0C : 0x18)
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42 #define ngx_quic_pkt_hp_mask(flags) \
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43 (ngx_quic_long_pkt(flags) ? 0x0F : 0x1F)
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44
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45 #define ngx_quic_level_name(lvl) \
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46 (lvl == ssl_encryption_application) ? "app" \
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47 : (lvl == ssl_encryption_initial) ? "init" \
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48 : (lvl == ssl_encryption_handshake) ? "hs" : "early"
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50
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51 /* 12.4. Frames and Frame Types */
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52 #define NGX_QUIC_FT_PADDING 0x00
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53 #define NGX_QUIC_FT_PING 0x01
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54 #define NGX_QUIC_FT_ACK 0x02
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55 #define NGX_QUIC_FT_ACK_ECN 0x03
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56 #define NGX_QUIC_FT_RESET_STREAM 0x04
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57 #define NGX_QUIC_FT_STOP_SENDING 0x05
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58 #define NGX_QUIC_FT_CRYPTO 0x06
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59 #define NGX_QUIC_FT_NEW_TOKEN 0x07
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60 #define NGX_QUIC_FT_STREAM0 0x08
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61 #define NGX_QUIC_FT_STREAM1 0x09
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62 #define NGX_QUIC_FT_STREAM2 0x0A
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63 #define NGX_QUIC_FT_STREAM3 0x0B
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64 #define NGX_QUIC_FT_STREAM4 0x0C
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65 #define NGX_QUIC_FT_STREAM5 0x0D
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66 #define NGX_QUIC_FT_STREAM6 0x0E
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67 #define NGX_QUIC_FT_STREAM7 0x0F
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68 #define NGX_QUIC_FT_MAX_DATA 0x10
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69 #define NGX_QUIC_FT_MAX_STREAM_DATA 0x11
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70 #define NGX_QUIC_FT_MAX_STREAMS 0x12
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71 #define NGX_QUIC_FT_MAX_STREAMS2 0x13
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72 #define NGX_QUIC_FT_DATA_BLOCKED 0x14
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73 #define NGX_QUIC_FT_STREAM_DATA_BLOCKED 0x15
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74 #define NGX_QUIC_FT_STREAMS_BLOCKED 0x16
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75 #define NGX_QUIC_FT_STREAMS_BLOCKED2 0x17
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76 #define NGX_QUIC_FT_NEW_CONNECTION_ID 0x18
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77 #define NGX_QUIC_FT_RETIRE_CONNECTION_ID 0x19
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78 #define NGX_QUIC_FT_PATH_CHALLENGE 0x1A
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79 #define NGX_QUIC_FT_PATH_RESPONSE 0x1B
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80 #define NGX_QUIC_FT_CONNECTION_CLOSE 0x1C
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81 #define NGX_QUIC_FT_CONNECTION_CLOSE_APP 0x1D
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82 #define NGX_QUIC_FT_HANDSHAKE_DONE 0x1E
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83
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84 /* 22.4. QUIC Transport Error Codes Registry */
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85 /* Keep in sync with ngx_quic_errors[] */
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86 #define NGX_QUIC_ERR_NO_ERROR 0x00
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87 #define NGX_QUIC_ERR_INTERNAL_ERROR 0x01
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88 #define NGX_QUIC_ERR_CONNECTION_REFUSED 0x02
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89 #define NGX_QUIC_ERR_FLOW_CONTROL_ERROR 0x03
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90 #define NGX_QUIC_ERR_STREAM_LIMIT_ERROR 0x04
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91 #define NGX_QUIC_ERR_STREAM_STATE_ERROR 0x05
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92 #define NGX_QUIC_ERR_FINAL_SIZE_ERROR 0x06
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93 #define NGX_QUIC_ERR_FRAME_ENCODING_ERROR 0x07
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94 #define NGX_QUIC_ERR_TRANSPORT_PARAMETER_ERROR 0x08
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95 #define NGX_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR 0x09
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96 #define NGX_QUIC_ERR_PROTOCOL_VIOLATION 0x0A
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97 #define NGX_QUIC_ERR_INVALID_TOKEN 0x0B
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98 #define NGX_QUIC_ERR_APPLICATION_ERROR 0x0C
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99 #define NGX_QUIC_ERR_CRYPTO_BUFFER_EXCEEDED 0x0D
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100 #define NGX_QUIC_ERR_KEY_UPDATE_ERROR 0x0E
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101
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102 #define NGX_QUIC_ERR_LAST 0x0F
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103 #define NGX_QUIC_ERR_CRYPTO_ERROR 0x100
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104
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105 #define NGX_QUIC_ERR_CRYPTO(e) (NGX_QUIC_ERR_CRYPTO_ERROR + (e))
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106
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107
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108 /* Transport parameters */
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109 #define NGX_QUIC_TP_ORIGINAL_DCID 0x00
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110 #define NGX_QUIC_TP_MAX_IDLE_TIMEOUT 0x01
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111 #define NGX_QUIC_TP_SR_TOKEN 0x02
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112 #define NGX_QUIC_TP_MAX_UDP_PAYLOAD_SIZE 0x03
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113 #define NGX_QUIC_TP_INITIAL_MAX_DATA 0x04
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114 #define NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_LOCAL 0x05
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115 #define NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_REMOTE 0x06
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116 #define NGX_QUIC_TP_INITIAL_MAX_STREAM_DATA_UNI 0x07
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117 #define NGX_QUIC_TP_INITIAL_MAX_STREAMS_BIDI 0x08
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118 #define NGX_QUIC_TP_INITIAL_MAX_STREAMS_UNI 0x09
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119 #define NGX_QUIC_TP_ACK_DELAY_EXPONENT 0x0A
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120 #define NGX_QUIC_TP_MAX_ACK_DELAY 0x0B
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121 #define NGX_QUIC_TP_DISABLE_ACTIVE_MIGRATION 0x0C
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122 #define NGX_QUIC_TP_PREFERRED_ADDRESS 0x0D
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123 #define NGX_QUIC_TP_ACTIVE_CONNECTION_ID_LIMIT 0x0E
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Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
124 #define NGX_QUIC_TP_INITIAL_SCID 0x0F
6633f17044eb QUIC draft-28 transport parameters support.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8415
diff changeset
125 #define NGX_QUIC_TP_RETRY_SCID 0x10
8247
e9891e8ee975 Configurable transport parameters.
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parents: 8245
diff changeset
126
8387
eebdda507ec3 Added tests for connection id lengths in initial packet.
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parents: 8386
diff changeset
127 #define NGX_QUIC_CID_LEN_MIN 8
eebdda507ec3 Added tests for connection id lengths in initial packet.
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diff changeset
128 #define NGX_QUIC_CID_LEN_MAX 20
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
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diff changeset
129
8596
38c7dd720774 QUIC: added ACK frame range support.
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diff changeset
130 #define NGX_QUIC_MAX_RANGES 10
38c7dd720774 QUIC: added ACK frame range support.
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diff changeset
131
38c7dd720774 QUIC: added ACK frame range support.
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parents: 8589
diff changeset
132
38c7dd720774 QUIC: added ACK frame range support.
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parents: 8589
diff changeset
133 typedef struct {
38c7dd720774 QUIC: added ACK frame range support.
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parents: 8589
diff changeset
134 uint64_t gap;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8589
diff changeset
135 uint64_t range;
38c7dd720774 QUIC: added ACK frame range support.
Vladimir Homutov <vl@nginx.com>
parents: 8589
diff changeset
136 } ngx_quic_ack_range_t;
38c7dd720774 QUIC: added ACK frame range support.
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parents: 8589
diff changeset
137
38c7dd720774 QUIC: added ACK frame range support.
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diff changeset
138
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
139 typedef struct {
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parents:
diff changeset
140 uint64_t largest;
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parents:
diff changeset
141 uint64_t delay;
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parents:
diff changeset
142 uint64_t range_count;
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
143 uint64_t first_range;
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8319
diff changeset
144 uint64_t ect0;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8319
diff changeset
145 uint64_t ect1;
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8319
diff changeset
146 uint64_t ce;
8596
38c7dd720774 QUIC: added ACK frame range support.
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parents: 8589
diff changeset
147 u_char *ranges_start;
38c7dd720774 QUIC: added ACK frame range support.
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parents: 8589
diff changeset
148 u_char *ranges_end;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
149 } ngx_quic_ack_frame_t;
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parents:
diff changeset
150
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parents:
diff changeset
151
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
152 typedef struct {
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parents:
diff changeset
153 uint64_t seqnum;
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parents:
diff changeset
154 uint64_t retire;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
155 uint8_t len;
8387
eebdda507ec3 Added tests for connection id lengths in initial packet.
Vladimir Homutov <vl@nginx.com>
parents: 8386
diff changeset
156 u_char cid[NGX_QUIC_CID_LEN_MAX];
8562
b31c02454539 QUIC: added stateless reset support.
Vladimir Homutov <vl@nginx.com>
parents: 8560
diff changeset
157 u_char srt[NGX_QUIC_SR_TOKEN_LEN];
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
158 } ngx_quic_new_conn_id_frame_t;
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
159
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
160
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
161 typedef struct {
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
162 uint64_t length;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
163 u_char *data;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
164 } ngx_quic_new_token_frame_t;
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
165
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
166 /*
167d32476737 Crypto buffer frames reordering.
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parents: 8326
diff changeset
167 * common layout for CRYPTO and STREAM frames;
167d32476737 Crypto buffer frames reordering.
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parents: 8326
diff changeset
168 * conceptually, CRYPTO frame is also a stream
167d32476737 Crypto buffer frames reordering.
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parents: 8326
diff changeset
169 * frame lacking some properties
167d32476737 Crypto buffer frames reordering.
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parents: 8326
diff changeset
170 */
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
171 typedef struct {
8333
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
172 uint64_t offset;
167d32476737 Crypto buffer frames reordering.
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parents: 8326
diff changeset
173 uint64_t length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
174 u_char *data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
175 } ngx_quic_ordered_frame_t;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
176
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
177 typedef ngx_quic_ordered_frame_t ngx_quic_crypto_frame_t;
167d32476737 Crypto buffer frames reordering.
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parents: 8326
diff changeset
178
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
179
167d32476737 Crypto buffer frames reordering.
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parents: 8326
diff changeset
180 typedef struct {
167d32476737 Crypto buffer frames reordering.
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parents: 8326
diff changeset
181 /* initial fields same as in ngx_quic_ordered_frame_t */
167d32476737 Crypto buffer frames reordering.
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parents: 8326
diff changeset
182 uint64_t offset;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
183 uint64_t length;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
184 u_char *data;
167d32476737 Crypto buffer frames reordering.
Vladimir Homutov <vl@nginx.com>
parents: 8326
diff changeset
185
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
186 uint8_t type;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
187 uint64_t stream_id;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
188 unsigned off:1;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
189 unsigned len:1;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
190 unsigned fin:1;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
191 } ngx_quic_stream_frame_t;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
192
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
193
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
194 typedef struct {
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
195 uint64_t max_data;
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
196 } ngx_quic_max_data_frame_t;
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
197
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
198
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
199 typedef struct {
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
200 uint64_t error_code;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
201 uint64_t frame_type;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
202 ngx_str_t reason;
8458
e0f92f68e018 QUIC: Introduced ngx_quic_finalize_connection().
Roman Arutyunyan <arut@nginx.com>
parents: 8447
diff changeset
203 ngx_uint_t app; /* unsigned app:1; */
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
204 } ngx_quic_close_frame_t;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
205
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
206
8231
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
207 typedef struct {
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
208 uint64_t id;
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
209 uint64_t error_code;
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
210 uint64_t final_size;
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
211 } ngx_quic_reset_stream_frame_t;
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
212
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
213
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
214 typedef struct {
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
215 uint64_t id;
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
216 uint64_t error_code;
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
217 } ngx_quic_stop_sending_frame_t;
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
218
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
219
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8231
diff changeset
220 typedef struct {
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8231
diff changeset
221 uint64_t limit;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8231
diff changeset
222 ngx_uint_t bidi; /* unsigned: bidi:1 */
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8231
diff changeset
223 } ngx_quic_streams_blocked_frame_t;
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8231
diff changeset
224
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8231
diff changeset
225
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
226 typedef struct {
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
227 uint64_t limit;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
228 ngx_uint_t bidi; /* unsigned: bidi:1 */
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
229 } ngx_quic_max_streams_frame_t;
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
230
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
231
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
232 typedef struct {
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
233 uint64_t id;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
234 uint64_t limit;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
235 } ngx_quic_max_stream_data_frame_t;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
236
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
237
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
238 typedef struct {
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
239 uint64_t limit;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
240 } ngx_quic_data_blocked_frame_t;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
241
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
242
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
243 typedef struct {
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
244 uint64_t id;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
245 uint64_t limit;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
246 } ngx_quic_stream_data_blocked_frame_t;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
247
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
248
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
249 typedef struct {
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
250 uint64_t sequence_number;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
251 } ngx_quic_retire_cid_frame_t;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
252
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
253
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
254 typedef struct {
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
255 u_char data[8];
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
256 } ngx_quic_path_challenge_frame_t;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
258
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
259 typedef struct ngx_quic_frame_s ngx_quic_frame_t;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
260
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
261 struct ngx_quic_frame_s {
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
262 ngx_uint_t type;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
263 enum ssl_encryption_level_t level;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
264 ngx_queue_t queue;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
265 uint64_t pnum;
8508
4604e6043657 QUIC: packet based bytes_in_flight accounting.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8476
diff changeset
266 size_t plen;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
267 ngx_msec_t first;
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
268 ngx_msec_t last;
8476
f9fbeb4ee0de QUIC: added limit of queued data.
Vladimir Homutov <vl@nginx.com>
parents: 8470
diff changeset
269 ssize_t len;
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
270 ngx_uint_t need_ack;
e10b4c61420f Implemented retransmission and retransmit queue.
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parents: 8307
diff changeset
271 /* unsigned need_ack:1; */
e10b4c61420f Implemented retransmission and retransmit queue.
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diff changeset
272
8286
c7185bc5b4d9 QUIC frames reuse.
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parents: 8285
diff changeset
273 u_char *data;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
274 union {
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parents:
diff changeset
275 ngx_quic_ack_frame_t ack;
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parents:
diff changeset
276 ngx_quic_crypto_frame_t crypto;
8333
167d32476737 Crypto buffer frames reordering.
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parents: 8326
diff changeset
277 ngx_quic_ordered_frame_t ord;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
278 ngx_quic_new_conn_id_frame_t ncid;
8384
52d0c4832570 Address validation using NEW_TOKEN frame.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8383
diff changeset
279 ngx_quic_new_token_frame_t token;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
280 ngx_quic_stream_frame_t stream;
8237
ff540f13d95d MAX_DATA frame parser/handler.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8236
diff changeset
281 ngx_quic_max_data_frame_t max_data;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
282 ngx_quic_close_frame_t close;
8231
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
283 ngx_quic_reset_stream_frame_t reset_stream;
78540e2160d0 Added parsing of RESET_STREAM and STOP_SENDING frames
Vladimir Homutov <vl@nginx.com>
parents: 8224
diff changeset
284 ngx_quic_stop_sending_frame_t stop_sending;
8236
d3b26c3bea22 Added parsing of STREAMS BLOCKED frames.
Vladimir Homutov <vl@nginx.com>
parents: 8231
diff changeset
285 ngx_quic_streams_blocked_frame_t streams_blocked;
8245
a14afe21e692 Double MAX_STREAMS on STREAMS_BLOCKED.
Roman Arutyunyan <arut@nginx.com>
parents: 8241
diff changeset
286 ngx_quic_max_streams_frame_t max_streams;
8257
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
287 ngx_quic_max_stream_data_frame_t max_stream_data;
085fd6e68367 Implemented parsing of remaining frame types.
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parents: 8251
diff changeset
288 ngx_quic_data_blocked_frame_t data_blocked;
085fd6e68367 Implemented parsing of remaining frame types.
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parents: 8251
diff changeset
289 ngx_quic_stream_data_blocked_frame_t stream_data_blocked;
085fd6e68367 Implemented parsing of remaining frame types.
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parents: 8251
diff changeset
290 ngx_quic_retire_cid_frame_t retire_cid;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
291 ngx_quic_path_challenge_frame_t path_challenge;
085fd6e68367 Implemented parsing of remaining frame types.
Vladimir Homutov <vl@nginx.com>
parents: 8251
diff changeset
292 ngx_quic_path_challenge_frame_t path_response;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
293 } u;
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parents:
diff changeset
294 };
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parents:
diff changeset
295
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
296
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parents:
diff changeset
297 typedef struct {
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parents:
diff changeset
298 ngx_log_t *log;
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parents:
diff changeset
299
8621
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8613
diff changeset
300 ngx_quic_keys_t *keys;
9c3be23ddbe7 QUIC: refactored key handling.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8613
diff changeset
301
8603
c5ea341f705a QUIC: optimized acknowledgement generation.
Vladimir Homutov <vl@nginx.com>
parents: 8596
diff changeset
302 ngx_msec_t received;
8307
dc7ac778aafe Introduced packet namespace in QUIC connection.
Vladimir Homutov <vl@nginx.com>
parents: 8298
diff changeset
303 uint64_t number;
8315
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
304 uint8_t num_len;
fdda518d10ba Proper handling of packet number in header.
Vladimir Homutov <vl@nginx.com>
parents: 8308
diff changeset
305 uint32_t trunc;
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
306 uint8_t flags;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
307 uint32_t version;
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
308 ngx_str_t token;
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Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
309 enum ssl_encryption_level_t level;
8385
fb7422074258 Added generation of CC frames with error on connection termination.
Vladimir Homutov <vl@nginx.com>
parents: 8384
diff changeset
310 ngx_uint_t error;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
311
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
312 /* filled in by parser */
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parents:
diff changeset
313 ngx_buf_t *raw; /* udp datagram */
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parents:
diff changeset
314
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
315 u_char *data; /* quic packet */
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parents:
diff changeset
316 size_t len;
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parents:
diff changeset
317
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
318 /* cleartext fields */
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8371
diff changeset
319 ngx_str_t odcid; /* retry packet tag */
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
320 ngx_str_t dcid;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
321 ngx_str_t scid;
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
322 uint64_t pn;
8288
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 8286
diff changeset
323 u_char *plaintext;
ebd5c71b9f02 Got rid of memory allocation in decryption.
Vladimir Homutov <vl@nginx.com>
parents: 8286
diff changeset
324 ngx_str_t payload; /* decrypted data */
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
325
8319
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8315
diff changeset
326 unsigned need_ack:1;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8315
diff changeset
327 unsigned key_phase:1;
29354c6fc5f2 TLS Key Update in QUIC.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8315
diff changeset
328 unsigned key_update:1;
8580
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
329 unsigned parsed:1;
07971f870879 QUIC: added debug message with final packet processing status.
Vladimir Homutov <vl@nginx.com>
parents: 8562
diff changeset
330 unsigned decrypted:1;
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
331 } ngx_quic_header_t;
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
332
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
333
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
334 u_char *ngx_quic_error_text(uint64_t error_code);
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
335
8560
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8538
diff changeset
336 ngx_int_t ngx_quic_parse_packet(ngx_quic_header_t *pkt);
d0d3fc0697a0 QUIC: packet processing refactoring.
Vladimir Homutov <vl@nginx.com>
parents: 8538
diff changeset
337
8522
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8508
diff changeset
338 size_t ngx_quic_create_version_negotiation(ngx_quic_header_t *pkt, u_char *out);
fc89d02bdca2 QUIC: added version negotiation support.
Vladimir Homutov <vl@nginx.com>
parents: 8508
diff changeset
339
8642
05b1ee464350 QUIC: hide header creation internals in ngx_event_quic_transport.c.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8641
diff changeset
340 size_t ngx_quic_create_header(ngx_quic_header_t *pkt, u_char *out,
8285
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
341 size_t pkt_len, u_char **pnp);
f85749b60e58 Removed memory allocations from encryption code.
Vladimir Homutov <vl@nginx.com>
parents: 8260
diff changeset
342
8383
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8371
diff changeset
343 size_t ngx_quic_create_retry_itag(ngx_quic_header_t *pkt, u_char *out,
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8371
diff changeset
344 u_char **start);
7ea34e13937f Address validation using Retry packets.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8371
diff changeset
345
8240
1f002206a59b Added boundaries checks into frame parser.
Vladimir Homutov <vl@nginx.com>
parents: 8237
diff changeset
346 ssize_t ngx_quic_parse_frame(ngx_quic_header_t *pkt, u_char *start, u_char *end,
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
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parents:
diff changeset
347 ngx_quic_frame_t *frame);
8308
e10b4c61420f Implemented retransmission and retransmit queue.
Vladimir Homutov <vl@nginx.com>
parents: 8307
diff changeset
348 ssize_t ngx_quic_create_frame(u_char *p, ngx_quic_frame_t *f);
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
349
8604
b3d9e57d0f62 QUIC: single function for frame debug logging.
Vladimir Homutov <vl@nginx.com>
parents: 8603
diff changeset
350 ssize_t ngx_quic_parse_ack_range(ngx_log_t *log, u_char *start,
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8319
diff changeset
351 u_char *end, uint64_t *gap, uint64_t *range);
8613
867c189f875d QUIC: unified range format for rx and tx ACK frames.
Roman Arutyunyan <arut@nginx.com>
parents: 8604
diff changeset
352 size_t ngx_quic_create_ack_range(u_char *p, uint64_t gap, uint64_t range);
8326
1cdd53532309 ACK ranges processing.
Vladimir Homutov <vl@nginx.com>
parents: 8319
diff changeset
353
8260
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
354 ngx_int_t ngx_quic_parse_transport_params(u_char *p, u_char *end,
f388c0ad3477 Added processing of client transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8257
diff changeset
355 ngx_quic_tp_t *tp, ngx_log_t *log);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
356 ssize_t ngx_quic_create_transport_params(u_char *p, u_char *end,
8422
90b02ff6b003 Compatibility with BoringSSL master branch.
Sergey Kandaurov <pluknet@nginx.com>
parents: 8417
diff changeset
357 ngx_quic_tp_t *tp, size_t *clen);
8247
e9891e8ee975 Configurable transport parameters.
Vladimir Homutov <vl@nginx.com>
parents: 8245
diff changeset
358
8224
ae35ccba7aa6 Extracted transport part of the code into separate file.
Vladimir Homutov <vl@nginx.com>
parents:
diff changeset
359 #endif /* _NGX_EVENT_QUIC_WIRE_H_INCLUDED_ */