/*
- * Copyright (c) 2019 Cisco and/or its affiliates.
+ * Copyright (c) 2021 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
static void quic_proto_on_close (u32 ctx_index, u32 thread_index);
static quicly_stream_open_t on_stream_open;
-static quicly_closed_by_peer_t on_closed_by_peer;
+static quicly_closed_by_remote_t on_closed_by_remote;
static quicly_now_t quicly_vpp_now_cb;
/* Crypto contexts */
pool_put (qm->wrk_ctx[thread_index].crypto_ctx_pool, crctx);
}
-static quicly_datagram_t *
-quic_alloc_packet (quicly_packet_allocator_t * self, size_t payloadsize)
-{
- quicly_datagram_t *packet;
- if ((packet =
- clib_mem_alloc (sizeof (*packet) + payloadsize +
- sizeof (quic_encrypt_cb_ctx))) == NULL)
- return NULL;
- packet->data.base =
- (uint8_t *) packet + sizeof (*packet) + sizeof (quic_encrypt_cb_ctx);
- quic_encrypt_cb_ctx *encrypt_cb_ctx =
- (quic_encrypt_cb_ctx *) ((uint8_t *) packet + sizeof (*packet));
-
- clib_memset (encrypt_cb_ctx, 0, sizeof (*encrypt_cb_ctx));
- return packet;
-}
-
-static void
-quic_free_packet (quicly_packet_allocator_t * self,
- quicly_datagram_t * packet)
-{
- clib_mem_free (packet);
-}
-
-quicly_packet_allocator_t quic_packet_allocator =
- { quic_alloc_packet, quic_free_packet };
-
static int
quic_app_cert_key_pair_delete_callback (app_cert_key_pair_t * ckpair)
{
return 0;
}
+static clib_error_t *
+quic_set_cc_fn (vlib_main_t *vm, unformat_input_t *input,
+ vlib_cli_command_t *cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ quic_main_t *qm = &quic_main;
+ clib_error_t *e = 0;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "reno"))
+ qm->default_quic_cc = QUIC_CC_RENO;
+ else if (unformat (line_input, "cubic"))
+ qm->default_quic_cc = QUIC_CC_CUBIC;
+ else
+ {
+ e = clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+done:
+ unformat_free (line_input);
+ return e;
+}
+
static void
quic_release_crypto_context (u32 crypto_context_index, u8 thread_index)
{
ptls_ctx->encrypt_ticket = &qm->session_cache.super;
clib_memcpy (quicly_ctx, &quicly_spec_context, sizeof (quicly_context_t));
- quicly_ctx->max_packet_size = QUIC_MAX_PACKET_SIZE;
quicly_ctx->max_packets_per_key = qm->max_packets_per_key;
quicly_ctx->tls = ptls_ctx;
quicly_ctx->stream_open = &on_stream_open;
- quicly_ctx->closed_by_peer = &on_closed_by_peer;
+ quicly_ctx->closed_by_remote = &on_closed_by_remote;
quicly_ctx->now = &quicly_vpp_now_cb;
quicly_amend_ptls_context (quicly_ctx->tls);
- quicly_ctx->packet_allocator = &quic_packet_allocator;
- quicly_ctx->crypto_engine = &quic_crypto_engine;
+ if (qm->vnet_crypto_enabled &&
+ qm->default_crypto_engine == CRYPTO_ENGINE_VPP)
+ quicly_ctx->crypto_engine = &quic_crypto_engine;
+ else
+ quicly_ctx->crypto_engine = &quicly_default_crypto_engine;
+
quicly_ctx->transport_params.max_data = QUIC_INT_MAX;
quicly_ctx->transport_params.max_streams_uni = (uint64_t) 1 << 60;
quicly_ctx->transport_params.max_streams_bidi = (uint64_t) 1 << 60;
quicly_ctx->transport_params.max_idle_timeout = qm->connection_timeout;
+ if (qm->default_quic_cc == QUIC_CC_CUBIC)
+ quicly_ctx->init_cc = &quicly_cc_cubic_init;
+ else if (qm->default_quic_cc == QUIC_CC_RENO)
+ quicly_ctx->init_cc = &quicly_cc_reno_init;
+
app = application_get (ctx->parent_app_id);
quicly_ctx->transport_params.max_stream_data.bidi_local =
app->sm_properties.rx_fifo_size - 1;
app->sm_properties.tx_fifo_size - 1;
quicly_ctx->transport_params.max_stream_data.uni = QUIC_INT_MAX;
+ quicly_ctx->transport_params.max_udp_payload_size = QUIC_MAX_PACKET_SIZE;
if (!app->quic_iv_set)
{
ptls_openssl_random_bytes (app->quic_iv, QUIC_IV_LEN - 1);
}
static int
-quic_send_datagram (session_t * udp_session, quicly_datagram_t * packet)
+quic_send_datagram (session_t *udp_session, struct iovec *packet,
+ quicly_address_t *dest, quicly_address_t *src)
{
u32 max_enqueue;
session_dgram_hdr_t hdr;
svm_fifo_t *f;
transport_connection_t *tc;
- len = packet->data.len;
+ len = packet->iov_len;
f = udp_session->tx_fifo;
tc = session_get_transport (udp_session);
max_enqueue = svm_fifo_max_enqueue (f);
/* Read dest address from quicly-provided sockaddr */
if (hdr.is_ip4)
{
- QUIC_ASSERT (packet->dest.sa.sa_family == AF_INET);
- struct sockaddr_in *sa4 = (struct sockaddr_in *) &packet->dest.sa;
+ QUIC_ASSERT (dest->sa.sa_family == AF_INET);
+ struct sockaddr_in *sa4 = (struct sockaddr_in *) &dest->sa;
hdr.rmt_port = sa4->sin_port;
hdr.rmt_ip.ip4.as_u32 = sa4->sin_addr.s_addr;
}
else
{
- QUIC_ASSERT (packet->dest.sa.sa_family == AF_INET6);
- struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *) &packet->dest.sa;
+ QUIC_ASSERT (dest->sa.sa_family == AF_INET6);
+ struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *) &dest->sa;
hdr.rmt_port = sa6->sin6_port;
clib_memcpy (&hdr.rmt_ip.ip6, &sa6->sin6_addr, 16);
}
QUIC_ERR ("Not enough space to enqueue header");
return QUIC_ERROR_FULL_FIFO;
}
- ret = svm_fifo_enqueue (f, len, packet->data.base);
+ ret = svm_fifo_enqueue (f, len, packet->iov_base);
if (ret != len)
{
QUIC_ERR ("Not enough space to enqueue payload");
static int
quic_send_packets (quic_ctx_t * ctx)
{
- quic_main_t *qm = &quic_main;
- quicly_datagram_t *packets[QUIC_SEND_PACKET_VEC_SIZE];
+ struct iovec packets[QUIC_SEND_PACKET_VEC_SIZE];
+ uint8_t
+ buf[QUIC_SEND_PACKET_VEC_SIZE * quic_get_quicly_ctx_from_ctx (ctx)
+ ->transport_params.max_udp_payload_size];
session_t *udp_session;
quicly_conn_t *conn;
size_t num_packets, i, max_packets;
- quicly_packet_allocator_t *pa;
+ quicly_address_t dest, src;
+
+ num_packets = QUIC_SEND_PACKET_VEC_SIZE;
+
int err = 0;
- u32 thread_index = vlib_get_thread_index ();
/* We have sctx, get qctx */
if (quic_ctx_is_stream (ctx))
if (quic_sendable_packet_count (udp_session) < 2)
goto stop_sending;
- pa = quic_get_quicly_ctx_from_ctx (ctx)->packet_allocator;
do
{
max_packets = quic_sendable_packet_count (udp_session);
if (max_packets < 2)
break;
num_packets = max_packets;
- if ((err = quicly_send (conn, packets, &num_packets)))
+ if ((err = quicly_send (conn, &dest, &src, packets, &num_packets, buf,
+ sizeof (buf))))
goto quicly_error;
- quic_crypto_batch_tx_packets (&qm->wrk_ctx
- [thread_index].crypto_context_batch);
-
for (i = 0; i != num_packets; ++i)
{
- quic_crypto_finalize_send_packet (packets[i]);
- if ((err = quic_send_datagram (udp_session, packets[i])))
+
+ if ((err =
+ quic_send_datagram (udp_session, &packets[i], &dest, &src)))
goto quicly_error;
- pa->free_packet (pa, packets[i]);
}
}
while (num_packets > 0 && num_packets == max_packets);
}
static void
-quic_on_closed_by_peer (quicly_closed_by_peer_t * self, quicly_conn_t * conn,
- int code, uint64_t frame_type,
- const char *reason, size_t reason_len)
+quic_on_closed_by_remote (quicly_closed_by_remote_t *self, quicly_conn_t *conn,
+ int code, uint64_t frame_type, const char *reason,
+ size_t reason_len)
{
quic_ctx_t *ctx = quic_get_conn_ctx (conn);
#if QUIC_DEBUG >= 2
session_t * udp_session,
session_error_t err)
{
- QUIC_DBG (2, "QSession is now connected (id %u)",
+ QUIC_DBG (2, "UDP Session is now connected (id %u)",
udp_session->session_index);
/* This should always be called before quic_connect returns since UDP always
* connects instantly. */
ctx->c_thread_index = thread_index;
ctx->c_c_index = ctx_index;
- QUIC_DBG (2, "Quic connect returned %u. New ctx [%u]%x",
- is_fail, thread_index, (ctx) ? ctx_index : ~0);
+ QUIC_DBG (2, "New ctx [%u]%x", thread_index, (ctx) ? ctx_index : ~0);
ctx->udp_session_handle = session_handle (udp_session);
udp_session->opaque = ctx_index;
* CID, ... */
QUIC_DBG (2, "Sending stateless reset");
int rv;
- quicly_datagram_t *dgram;
session_t *udp_session;
quicly_context_t *quicly_ctx;
if (pctx->packet.cid.dest.plaintext.node_id != 0
|| pctx->packet.cid.dest.plaintext.thread_id != 0)
return 0;
quicly_ctx = quic_get_quicly_ctx_from_udp (udp_session_handle);
- dgram = quicly_send_stateless_reset (quicly_ctx, &pctx->sa, NULL,
- &pctx->packet.cid.dest.plaintext);
- if (dgram == NULL)
+ quic_ctx_t *qctx = quic_ctx_get (pctx->ctx_index, pctx->thread_index);
+
+ quicly_address_t src;
+ uint8_t payload[quicly_ctx->transport_params.max_udp_payload_size];
+ size_t payload_len =
+ quicly_send_stateless_reset (quicly_ctx, &src.sa, payload);
+ if (payload_len == 0)
return 1;
+
+ struct iovec packet;
+ packet.iov_len = payload_len;
+ packet.iov_base = payload;
+
+ struct _st_quicly_conn_public_t *conn =
+ (struct _st_quicly_conn_public_t *) qctx->conn;
+
udp_session = session_get_from_handle (udp_session_handle);
- rv = quic_send_datagram (udp_session, dgram);
+ rv = quic_send_datagram (udp_session, &packet, &conn->remote.address,
+ &conn->local.address);
quic_set_udp_tx_evt (udp_session);
return rv;
}
quic_build_sockaddr (&pctx->sa, &pctx->salen, &pctx->ph.rmt_ip,
pctx->ph.rmt_port, pctx->ph.is_ip4);
quicly_ctx = quic_get_quicly_ctx_from_udp (udp_session_handle);
- plen = quicly_decode_packet (quicly_ctx, &pctx->packet,
- pctx->data, pctx->ph.data_length);
+
+ size_t off = 0;
+ plen = quicly_decode_packet (quicly_ctx, &pctx->packet, pctx->data,
+ pctx->ph.data_length, &off);
if (plen == SIZE_MAX)
{
if (rv == QUIC_PACKET_TYPE_RECEIVE)
{
pctx->ptype = QUIC_PACKET_TYPE_RECEIVE;
- if (quic_main.vnet_crypto_enabled)
+
+ if (quic_main.vnet_crypto_enabled &&
+ quic_main.default_crypto_engine == CRYPTO_ENGINE_VPP)
{
quic_ctx_t *qctx = quic_ctx_get (pctx->ctx_index, thread_index);
quic_crypto_decrypt_packet (qctx, pctx);
quic_udp_session_rx_callback (session_t * udp_session)
{
/* Read data from UDP rx_fifo and pass it to the quicly conn. */
- quic_main_t *qm = &quic_main;
quic_ctx_t *ctx = NULL, *prev_ctx = NULL;
svm_fifo_t *f = udp_session->rx_fifo;
u32 max_deq;
u32 thread_index = vlib_get_thread_index ();
u32 cur_deq, fifo_offset, max_packets, i;
- quic_rx_packet_ctx_t packets_ctx[QUIC_RCV_MAX_BATCH_PACKETS];
+ quic_rx_packet_ctx_t packets_ctx[QUIC_RCV_MAX_PACKETS];
if (udp_session->flags & SESSION_F_IS_MIGRATING)
{
return 0;
fifo_offset = 0;
- max_packets = QUIC_RCV_MAX_BATCH_PACKETS;
+ max_packets = QUIC_RCV_MAX_PACKETS;
#if CLIB_DEBUG > 0
clib_memset (packets_ctx, 0xfa,
- QUIC_RCV_MAX_BATCH_PACKETS * sizeof (quic_rx_packet_ctx_t));
+ QUIC_RCV_MAX_PACKETS * sizeof (quic_rx_packet_ctx_t));
#endif
-
for (i = 0; i < max_packets; i++)
{
packets_ctx[i].thread_index = UINT32_MAX;
}
}
- quic_crypto_batch_rx_packets (&qm->
- wrk_ctx[thread_index].crypto_context_batch);
-
for (i = 0; i < max_packets; i++)
{
switch (packets_ctx[i].ptype)
/* *INDENT-ON* */
static quicly_stream_open_t on_stream_open = { quic_on_stream_open };
-static quicly_closed_by_peer_t on_closed_by_peer = { quic_on_closed_by_peer };
+static quicly_closed_by_remote_t on_closed_by_remote = {
+ quic_on_closed_by_remote
+};
static quicly_now_t quicly_vpp_now_cb = { quic_get_time };
static void
tw->last_run_time = vlib_time_now (vlib_get_main ());
clib_bihash_init_24_8 (&qm->wrk_ctx[i].crypto_context_hash,
"quic crypto contexts", 64, 128 << 10);
-
- qm->wrk_ctx[i].crypto_context_batch.nb_rx_packets = 0;
- qm->wrk_ctx[i].crypto_context_batch.nb_tx_packets = 0;
}
clib_bihash_init_16_8 (&qm->connection_hash, "quic connections", 1024,
clib_bitmap_alloc (qm->available_crypto_engines,
app_crypto_engine_n_types ());
- quic_register_cipher_suite (CRYPTO_ENGINE_VPP, quic_crypto_cipher_suites);
quic_register_cipher_suite (CRYPTO_ENGINE_PICOTLS,
ptls_openssl_cipher_suites);
- qm->default_crypto_engine = CRYPTO_ENGINE_VPP;
- qm->max_packets_per_key = DEFAULT_MAX_PACKETS_PER_KEY;
- clib_rwlock_init (&qm->crypto_keys_quic_rw_lock);
+ qm->default_crypto_engine = CRYPTO_ENGINE_PICOTLS;
vnet_crypto_main_t *cm = &crypto_main;
if (vec_len (cm->engines) == 0)
qm->vnet_crypto_enabled = 0;
else
qm->vnet_crypto_enabled = 1;
+ if (qm->vnet_crypto_enabled == 1)
+ {
+ quic_register_cipher_suite (CRYPTO_ENGINE_VPP,
+ quic_crypto_cipher_suites);
+ qm->default_crypto_engine = CRYPTO_ENGINE_VPP;
+ }
+
+ qm->max_packets_per_key = DEFAULT_MAX_PACKETS_PER_KEY;
+ clib_rwlock_init (&qm->crypto_keys_quic_rw_lock);
+
+ qm->default_quic_cc = QUIC_CC_RENO;
vec_free (a->name);
return 0;
quicly_stats.num_packets.received,
quicly_stats.num_packets.lost,
quicly_stats.num_packets.ack_received);
+ s =
+ format (s, "\ncwnd:%u ssthresh:%u recovery_end:%lu", quicly_stats.cc.cwnd,
+ quicly_stats.cc.ssthresh, quicly_stats.cc.recovery_end);
+
+ quicly_context_t *quicly_ctx = quic_get_quicly_ctx_from_ctx (ctx);
+ if (quicly_ctx->init_cc == &quicly_cc_cubic_init)
+ {
+ s = format (
+ s,
+ "\nk:%d w_max:%u w_last_max:%u avoidance_start:%ld last_sent_time:%ld",
+ quicly_stats.cc.state.cubic.k, quicly_stats.cc.state.cubic.w_max,
+ quicly_stats.cc.state.cubic.w_last_max,
+ quicly_stats.cc.state.cubic.avoidance_start,
+ quicly_stats.cc.state.cubic.last_sent_time);
+ }
+ else if (quicly_ctx->init_cc == &quicly_cc_reno_init)
+ {
+ s = format (s, " stash:%u", quicly_stats.cc.state.reno.stash);
+ }
+
return s;
}
}
/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (quic_plugin_crypto_command, static) =
-{
+VLIB_CLI_COMMAND (quic_plugin_crypto_command, static) = {
.path = "quic set crypto api",
- .short_help = "quic set crypto api [picotls, vpp]",
+ .short_help = "quic set crypto api [picotls|vpp]",
.function = quic_plugin_crypto_command_fn,
};
VLIB_CLI_COMMAND(quic_plugin_set_fifo_size_command, static)=
.short_help = "set quic max_packets_per_key 16777216",
.function = quic_set_max_packets_per_key_fn,
};
+VLIB_CLI_COMMAND (quic_set_cc, static) = {
+ .path = "set quic cc",
+ .short_help = "set quic cc [reno|cubic]",
+ .function = quic_set_cc_fn,
+};
VLIB_PLUGIN_REGISTER () =
{
.version = VPP_BUILD_VER,
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