1*e7be843bSPierre Pronchery /*
2*e7be843bSPierre Pronchery * Copyright 2022-2023 The OpenSSL Project Authors. All Rights Reserved.
3*e7be843bSPierre Pronchery *
4*e7be843bSPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use
5*e7be843bSPierre Pronchery * this file except in compliance with the License. You can obtain a copy
6*e7be843bSPierre Pronchery * in the file LICENSE in the source distribution or at
7*e7be843bSPierre Pronchery * https://www.openssl.org/source/license.html
8*e7be843bSPierre Pronchery */
9*e7be843bSPierre Pronchery
10*e7be843bSPierre Pronchery #include "internal/quic_cc.h"
11*e7be843bSPierre Pronchery #include "internal/quic_types.h"
12*e7be843bSPierre Pronchery
13*e7be843bSPierre Pronchery typedef struct ossl_cc_dummy_st {
14*e7be843bSPierre Pronchery size_t max_dgram_len;
15*e7be843bSPierre Pronchery size_t *p_diag_max_dgram_len;
16*e7be843bSPierre Pronchery } OSSL_CC_DUMMY;
17*e7be843bSPierre Pronchery
18*e7be843bSPierre Pronchery static void dummy_update_diag(OSSL_CC_DUMMY *d);
19*e7be843bSPierre Pronchery
dummy_new(OSSL_TIME (* now_cb)(void * arg),void * now_cb_arg)20*e7be843bSPierre Pronchery static OSSL_CC_DATA *dummy_new(OSSL_TIME (*now_cb)(void *arg),
21*e7be843bSPierre Pronchery void *now_cb_arg)
22*e7be843bSPierre Pronchery {
23*e7be843bSPierre Pronchery OSSL_CC_DUMMY *d = OPENSSL_zalloc(sizeof(*d));
24*e7be843bSPierre Pronchery
25*e7be843bSPierre Pronchery if (d == NULL)
26*e7be843bSPierre Pronchery return NULL;
27*e7be843bSPierre Pronchery
28*e7be843bSPierre Pronchery d->max_dgram_len = QUIC_MIN_INITIAL_DGRAM_LEN;
29*e7be843bSPierre Pronchery return (OSSL_CC_DATA *)d;
30*e7be843bSPierre Pronchery }
31*e7be843bSPierre Pronchery
dummy_free(OSSL_CC_DATA * cc)32*e7be843bSPierre Pronchery static void dummy_free(OSSL_CC_DATA *cc)
33*e7be843bSPierre Pronchery {
34*e7be843bSPierre Pronchery OPENSSL_free(cc);
35*e7be843bSPierre Pronchery }
36*e7be843bSPierre Pronchery
dummy_reset(OSSL_CC_DATA * cc)37*e7be843bSPierre Pronchery static void dummy_reset(OSSL_CC_DATA *cc)
38*e7be843bSPierre Pronchery {
39*e7be843bSPierre Pronchery
40*e7be843bSPierre Pronchery }
41*e7be843bSPierre Pronchery
dummy_set_input_params(OSSL_CC_DATA * cc,const OSSL_PARAM * params)42*e7be843bSPierre Pronchery static int dummy_set_input_params(OSSL_CC_DATA *cc, const OSSL_PARAM *params)
43*e7be843bSPierre Pronchery {
44*e7be843bSPierre Pronchery OSSL_CC_DUMMY *d = (OSSL_CC_DUMMY *)cc;
45*e7be843bSPierre Pronchery const OSSL_PARAM *p;
46*e7be843bSPierre Pronchery size_t value;
47*e7be843bSPierre Pronchery
48*e7be843bSPierre Pronchery p = OSSL_PARAM_locate_const(params, OSSL_CC_OPTION_MAX_DGRAM_PAYLOAD_LEN);
49*e7be843bSPierre Pronchery if (p != NULL) {
50*e7be843bSPierre Pronchery if (!OSSL_PARAM_get_size_t(p, &value))
51*e7be843bSPierre Pronchery return 0;
52*e7be843bSPierre Pronchery if (value < QUIC_MIN_INITIAL_DGRAM_LEN)
53*e7be843bSPierre Pronchery return 0;
54*e7be843bSPierre Pronchery
55*e7be843bSPierre Pronchery d->max_dgram_len = value;
56*e7be843bSPierre Pronchery dummy_update_diag(d);
57*e7be843bSPierre Pronchery }
58*e7be843bSPierre Pronchery
59*e7be843bSPierre Pronchery return 1;
60*e7be843bSPierre Pronchery }
61*e7be843bSPierre Pronchery
dummy_bind_diagnostic(OSSL_CC_DATA * cc,OSSL_PARAM * params)62*e7be843bSPierre Pronchery static int dummy_bind_diagnostic(OSSL_CC_DATA *cc, OSSL_PARAM *params)
63*e7be843bSPierre Pronchery {
64*e7be843bSPierre Pronchery OSSL_CC_DUMMY *d = (OSSL_CC_DUMMY *)cc;
65*e7be843bSPierre Pronchery const OSSL_PARAM *p;
66*e7be843bSPierre Pronchery
67*e7be843bSPierre Pronchery p = OSSL_PARAM_locate_const(params, OSSL_CC_OPTION_MAX_DGRAM_PAYLOAD_LEN);
68*e7be843bSPierre Pronchery if (p != NULL) {
69*e7be843bSPierre Pronchery if (p->data_type != OSSL_PARAM_UNSIGNED_INTEGER
70*e7be843bSPierre Pronchery || p->data_size != sizeof(size_t))
71*e7be843bSPierre Pronchery return 0;
72*e7be843bSPierre Pronchery
73*e7be843bSPierre Pronchery d->p_diag_max_dgram_len = p->data;
74*e7be843bSPierre Pronchery }
75*e7be843bSPierre Pronchery
76*e7be843bSPierre Pronchery dummy_update_diag(d);
77*e7be843bSPierre Pronchery return 1;
78*e7be843bSPierre Pronchery }
79*e7be843bSPierre Pronchery
dummy_unbind_diagnostic(OSSL_CC_DATA * cc,OSSL_PARAM * params)80*e7be843bSPierre Pronchery static int dummy_unbind_diagnostic(OSSL_CC_DATA *cc, OSSL_PARAM *params)
81*e7be843bSPierre Pronchery {
82*e7be843bSPierre Pronchery OSSL_CC_DUMMY *d = (OSSL_CC_DUMMY *)cc;
83*e7be843bSPierre Pronchery
84*e7be843bSPierre Pronchery if (OSSL_PARAM_locate_const(params, OSSL_CC_OPTION_MAX_DGRAM_PAYLOAD_LEN)
85*e7be843bSPierre Pronchery != NULL)
86*e7be843bSPierre Pronchery d->p_diag_max_dgram_len = NULL;
87*e7be843bSPierre Pronchery
88*e7be843bSPierre Pronchery return 1;
89*e7be843bSPierre Pronchery }
90*e7be843bSPierre Pronchery
dummy_update_diag(OSSL_CC_DUMMY * d)91*e7be843bSPierre Pronchery static void dummy_update_diag(OSSL_CC_DUMMY *d)
92*e7be843bSPierre Pronchery {
93*e7be843bSPierre Pronchery if (d->p_diag_max_dgram_len != NULL)
94*e7be843bSPierre Pronchery *d->p_diag_max_dgram_len = d->max_dgram_len;
95*e7be843bSPierre Pronchery }
96*e7be843bSPierre Pronchery
dummy_get_tx_allowance(OSSL_CC_DATA * cc)97*e7be843bSPierre Pronchery static uint64_t dummy_get_tx_allowance(OSSL_CC_DATA *cc)
98*e7be843bSPierre Pronchery {
99*e7be843bSPierre Pronchery return SIZE_MAX;
100*e7be843bSPierre Pronchery }
101*e7be843bSPierre Pronchery
dummy_get_wakeup_deadline(OSSL_CC_DATA * cc)102*e7be843bSPierre Pronchery static OSSL_TIME dummy_get_wakeup_deadline(OSSL_CC_DATA *cc)
103*e7be843bSPierre Pronchery {
104*e7be843bSPierre Pronchery return ossl_time_infinite();
105*e7be843bSPierre Pronchery }
106*e7be843bSPierre Pronchery
dummy_on_data_sent(OSSL_CC_DATA * cc,uint64_t num_bytes)107*e7be843bSPierre Pronchery static int dummy_on_data_sent(OSSL_CC_DATA *cc,
108*e7be843bSPierre Pronchery uint64_t num_bytes)
109*e7be843bSPierre Pronchery {
110*e7be843bSPierre Pronchery return 1;
111*e7be843bSPierre Pronchery }
112*e7be843bSPierre Pronchery
dummy_on_data_acked(OSSL_CC_DATA * cc,const OSSL_CC_ACK_INFO * info)113*e7be843bSPierre Pronchery static int dummy_on_data_acked(OSSL_CC_DATA *cc,
114*e7be843bSPierre Pronchery const OSSL_CC_ACK_INFO *info)
115*e7be843bSPierre Pronchery {
116*e7be843bSPierre Pronchery return 1;
117*e7be843bSPierre Pronchery }
118*e7be843bSPierre Pronchery
dummy_on_data_lost(OSSL_CC_DATA * cc,const OSSL_CC_LOSS_INFO * info)119*e7be843bSPierre Pronchery static int dummy_on_data_lost(OSSL_CC_DATA *cc,
120*e7be843bSPierre Pronchery const OSSL_CC_LOSS_INFO *info)
121*e7be843bSPierre Pronchery {
122*e7be843bSPierre Pronchery return 1;
123*e7be843bSPierre Pronchery }
124*e7be843bSPierre Pronchery
dummy_on_data_lost_finished(OSSL_CC_DATA * cc,uint32_t flags)125*e7be843bSPierre Pronchery static int dummy_on_data_lost_finished(OSSL_CC_DATA *cc,
126*e7be843bSPierre Pronchery uint32_t flags)
127*e7be843bSPierre Pronchery {
128*e7be843bSPierre Pronchery return 1;
129*e7be843bSPierre Pronchery }
130*e7be843bSPierre Pronchery
dummy_on_data_invalidated(OSSL_CC_DATA * cc,uint64_t num_bytes)131*e7be843bSPierre Pronchery static int dummy_on_data_invalidated(OSSL_CC_DATA *cc,
132*e7be843bSPierre Pronchery uint64_t num_bytes)
133*e7be843bSPierre Pronchery {
134*e7be843bSPierre Pronchery return 1;
135*e7be843bSPierre Pronchery }
136*e7be843bSPierre Pronchery
137*e7be843bSPierre Pronchery const OSSL_CC_METHOD ossl_cc_dummy_method = {
138*e7be843bSPierre Pronchery dummy_new,
139*e7be843bSPierre Pronchery dummy_free,
140*e7be843bSPierre Pronchery dummy_reset,
141*e7be843bSPierre Pronchery dummy_set_input_params,
142*e7be843bSPierre Pronchery dummy_bind_diagnostic,
143*e7be843bSPierre Pronchery dummy_unbind_diagnostic,
144*e7be843bSPierre Pronchery dummy_get_tx_allowance,
145*e7be843bSPierre Pronchery dummy_get_wakeup_deadline,
146*e7be843bSPierre Pronchery dummy_on_data_sent,
147*e7be843bSPierre Pronchery dummy_on_data_acked,
148*e7be843bSPierre Pronchery dummy_on_data_lost,
149*e7be843bSPierre Pronchery dummy_on_data_lost_finished,
150*e7be843bSPierre Pronchery dummy_on_data_invalidated,
151*e7be843bSPierre Pronchery };
152