Line data Source code
1 : #ifdef HEADER_fd_src_waltz_quic_templ_fd_quic_frame_types_templ_h
2 : #error "fd_quic_frame_types_templ.c included twice"
3 : #endif
4 : #define HEADER_fd_src_waltz_quic_templ_fd_quic_frame_types_templ_h
5 :
6 : #include "../fd_quic_enum.h"
7 : #include "../../../util/fd_util.h"
8 :
9 : /* FD_QUIC_FRAME_TYPES describes the frame types and their attributes.
10 :
11 : Columns:
12 : - ID: frame type as seen on the wire
13 : - MID: frame ID used in fd_quic metrics (FIXME use ID instead when fd_metrics supports sparse enums) */
14 :
15 : #define FD_QUIC_FRAME_TYPES(X) \
16 : /* ID MID Handler Definition Pkts Spec */ \
17 24768 : X(0x00, 21, padding, "Section 19.1 ", I, H, 0, 1, N, P) \
18 24768 : X(0x01, 20, ping, "Section 19.2 ", I, H, 0, 1, , ) \
19 2150740 : X(0x02, 1, ack, "Section 19.3 ", I, H, _, 1, N, C) \
20 2150740 : X(0x03, 1, ack, "Section 19.3 ", I, H, _, 1, N, C) \
21 129 : X(0x04, 2, reset_stream, "Section 19.4 ", _, _, 0, 1, , ) \
22 0 : X(0x05, 3, stop_sending, "Section 19.5 ", _, _, 0, 1, , ) \
23 42141 : X(0x06, 4, crypto, "Section 19.6 ", I, H, _, 1, , ) \
24 42141 : X(0x07, 5, new_token, "Section 19.7 ", _, _, _, 1, , ) \
25 0 : X(0x08, 6, stream, "Section 19.8 ", _, _, 0, 1, F, ) \
26 25161723 : X(0x09, 6, stream, "Section 19.8 ", _, _, 0, 1, F, ) \
27 25161723 : X(0x0a, 6, stream, "Section 19.8 ", _, _, 0, 1, F, ) \
28 8536630 : X(0x0b, 6, stream, "Section 19.8 ", _, _, 0, 1, F, ) \
29 9810 : X(0x0c, 6, stream, "Section 19.8 ", _, _, 0, 1, F, ) \
30 3 : X(0x0d, 6, stream, "Section 19.8 ", _, _, 0, 1, F, ) \
31 7635 : X(0x0e, 6, stream, "Section 19.8 ", _, _, 0, 1, F, ) \
32 8536618 : X(0x0f, 6, stream, "Section 19.8 ", _, _, 0, 1, F, ) \
33 8536618 : X(0x10, 7, max_data, "Section 19.9 ", _, _, 0, 1, , ) \
34 1066307 : X(0x11, 8, max_stream_data, "Section 19.10", _, _, 0, 1, , ) \
35 0 : X(0x12, 9, max_streams, "Section 19.11", _, _, 0, 1, , ) \
36 210 : X(0x13, 9, max_streams, "Section 19.11", _, _, 0, 1, , ) \
37 210 : X(0x14, 10, data_blocked, "Section 19.12", _, _, 0, 1, , ) \
38 0 : X(0x15, 11, stream_data_blocked, "Section 19.13", _, _, 0, 1, , ) \
39 0 : X(0x16, 12, streams_blocked, "Section 19.14", _, _, 0, 1, , ) \
40 57 : X(0x17, 12, streams_blocked, "Section 19.14", _, _, 0, 1, , ) \
41 57 : X(0x18, 13, new_conn_id, "Section 19.15", _, _, 0, 1, P, ) \
42 0 : X(0x19, 14, retire_conn_id, "Section 19.16", _, _, 0, 1, , ) \
43 0 : X(0x1a, 15, path_challenge, "Section 19.17", _, _, 0, 1, P, ) \
44 0 : X(0x1b, 16, path_response, "Section 19.18", _, _, _, 1, P, ) \
45 42 : X(0x1c, 17, conn_close_0, "Section 19.19", I, H, 0, 1, N, ) \
46 6012 : X(0x1d, 18, conn_close_1, "Section 19.19", _, _, 0, 1, N, ) \
47 6012 : X(0x1e, 19, handshake_done, "Section 19.20", _, _, _, 1, , )
48 :
49 : #define FD_QUIC_FRAME_TYPE_CNT (0x1f) /* lookup tables should have this many entries */
50 :
51 :
52 : /* Lookup table for allowed frame types *******************************/
53 :
54 : #define PKT_FLAG__ 0u
55 : #define PKT_FLAG_I (1u<<FD_QUIC_PKT_TYPE_INITIAL) /* allowed in INITIAL */
56 : #define PKT_FLAG_H (1u<<FD_QUIC_PKT_TYPE_HANDSHAKE) /* allowed in HANDSHAKE */
57 : #define PKT_FLAG_0 (1u<<FD_QUIC_PKT_TYPE_ZERO_RTT) /* allowed in 0-RTT */
58 : #define PKT_FLAG_1 (1u<<FD_QUIC_PKT_TYPE_ONE_RTT) /* allowed in 1-RTT */
59 :
60 : static uchar const __attribute__((aligned(0x20)))
61 : fd_quic_frame_type_flags[ FD_QUIC_FRAME_TYPE_CNT ] = {
62 :
63 : #define F(T,MID,NAME,_0,F0,F1,F2,F3,...) \
64 : [T] = PKT_FLAG_##F0 + PKT_FLAG_##F1 + PKT_FLAG_##F2 + PKT_FLAG_##F3,
65 : FD_QUIC_FRAME_TYPES(F)
66 : #undef F
67 :
68 : };
69 :
70 : #undef PKT_FLAG__
71 : #undef PKT_FLAG_I
72 : #undef PKT_FLAG_H
73 : #undef PKT_FLAG_0
74 : #undef PKT_FLAG_1
75 :
76 : /* fd_quic_frame_type_allowed checks whether a frame type is allowed for
77 : a given packet type. pkt_type is one of FD_QUIC_PKT_TYPE_{INITIAL,
78 : HANDSHAKE,ZERO_RTT,ONE_RTT}. Returns 1 if the frame type is allowed,
79 : 0 otherwise. */
80 :
81 : FD_FN_PURE static inline int
82 : fd_quic_frame_type_allowed( uint pkt_type,
83 45549410 : uint frame_type ) {
84 45549410 : if( FD_UNLIKELY( pkt_type > FD_QUIC_PKT_TYPE_ONE_RTT ) ) return 0;
85 45549410 : if( FD_UNLIKELY( frame_type >= FD_QUIC_FRAME_TYPE_CNT ) ) return 0;
86 45549365 : return !!( fd_quic_frame_type_flags[frame_type] & (1u<<pkt_type) );
87 45549410 : }
88 :
89 :
90 : /* Lookup table for frame metric IDs **********************************/
91 :
92 : static uchar const __attribute__((aligned(0x20)))
93 : fd_quic_frame_metric_id[ FD_QUIC_FRAME_TYPE_CNT ] = {
94 : # define F(T,MID,...) [T] = (MID),
95 : FD_QUIC_FRAME_TYPES(F)
96 : # undef F
97 : };
98 :
99 :
100 : /* Frame handlers *****************************************************/
101 :
102 : /* Generate frame interpreter (decode + handle) */
103 :
104 : #define FD_TEMPL_DEF_STRUCT_BEGIN(NAME) \
105 : static ulong fd_quic_interpret_##NAME( \
106 : void * const ctx, \
107 : uchar const * const buf, \
108 : ulong const buf_sz \
109 45548870 : ) { \
110 45548870 : fd_quic_##NAME##_t frame[1]; \
111 45548870 : uchar const * p0 = buf; \
112 45548870 : uchar const * const p1 = buf+buf_sz; \
113 45548870 : ulong rc; \
114 45548870 : \
115 45548870 : rc = fd_quic_decode_##NAME( frame, p0, (ulong)(p1-p0) ); \
116 45548870 : if( FD_UNLIKELY( rc==FD_QUIC_PARSE_FAIL ) ) return FD_QUIC_PARSE_FAIL;\
117 45548870 : p0 += rc; \
118 45548837 : \
119 45548837 : rc = fd_quic_frame_handle_##NAME( ctx, frame, p0, (ulong)(p1-p0) ); \
120 45548837 : if( FD_UNLIKELY( rc==FD_QUIC_PARSE_FAIL ) ) return FD_QUIC_PARSE_FAIL;\
121 45548837 : p0 += rc; \
122 45548720 : \
123 45548720 : return (ulong)(p0-buf); \
124 45548837 : }
125 : #include "fd_quic_dft.h"
126 : #include "fd_quic_frames_templ.h"
127 : #include "fd_quic_undefs.h"
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