vpp - Vector Packet Processing

Age	Commit message (Expand)	Author	Files	Lines
2018-07-13	srv6-as: Adding support for L2 traffic	Francois Clad	1	-0/+199
2018-07-13	srv6-as: Adding test cases	Francois Clad	1	-0/+692

/* * Copyright (c) 2019 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: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef __included_quic_h__ #define __included_quic_h__ #include <vnet/session/application_interface.h> #include <vppinfra/lock.h> #include <vppinfra/tw_timer_1t_3w_1024sl_ov.h> #include <vppinfra/bihash_16_8.h> #include <quicly.h> /* QUIC log levels * 1 - errors * 2 - connection/stream events * 3 - packet events * 4 - timer events **/ #define QUIC_DEBUG 0 #define QUIC_TSTAMP_RESOLUTION 0.001 /* QUIC tick resolution (1ms) */ #define QUIC_TIMER_HANDLE_INVALID ((u32) ~0) #define QUIC_SESSION_INVALID ((u32) ~0 - 1) #define QUIC_MAX_PACKET_SIZE 1280 #define QUIC_INT_MAX 0x3FFFFFFFFFFFFFFF #define QUIC_DEFAULT_FIFO_SIZE (64 << 10) #define QUIC_SEND_PACKET_VEC_SIZE 16 #define QUIC_SEND_MAX_BATCH_PACKETS 16 #define QUIC_RCV_MAX_BATCH_PACKETS 16 #define QUIC_DEFAULT_CONN_TIMEOUT (30 * 1000) /* 30 seconds */ /* Taken from quicly.c */ #define QUICLY_QUIC_BIT 0x40 #define QUICLY_PACKET_TYPE_INITIAL (QUICLY_LONG_HEADER_BIT | QUICLY_QUIC_BIT | 0) #define QUICLY_PACKET_TYPE_0RTT (QUICLY_LONG_HEADER_BIT | QUICLY_QUIC_BIT | 0x10) #define QUICLY_PACKET_TYPE_HANDSHAKE (QUICLY_LONG_HEADER_BIT | QUICLY_QUIC_BIT | 0x20) #define QUICLY_PACKET_TYPE_RETRY (QUICLY_LONG_HEADER_BIT | QUICLY_QUIC_BIT | 0x30) #define QUICLY_PACKET_TYPE_BITMASK 0xf0 /* error codes */ #define QUIC_ERROR_FULL_FIFO 0xff10 #define QUIC_APP_ERROR_CLOSE_NOTIFY QUICLY_ERROR_FROM_APPLICATION_ERROR_CODE(0) #define QUIC_APP_ALLOCATION_ERROR QUICLY_ERROR_FROM_APPLICATION_ERROR_CODE(0x1) #define QUIC_APP_ACCEPT_NOTIFY_ERROR QUICLY_ERROR_FROM_APPLICATION_ERROR_CODE(0x2) #define QUIC_APP_CONNECT_NOTIFY_ERROR QUICLY_ERROR_FROM_APPLICATION_ERROR_CODE(0x3) #if QUIC_DEBUG #define QUIC_DBG(_lvl, _fmt, _args...) \ if (_lvl <= QUIC_DEBUG) \ clib_warning (_fmt, ##_args) #else #define QUIC_DBG(_lvl, _fmt, _args...) #endif #if CLIB_ASSERT_ENABLE #define QUIC_ASSERT(truth) ASSERT (truth) #else #define QUIC_ASSERT(truth) \ do { \ if (PREDICT_FALSE (! (truth))) \ QUIC_ERR ("ASSERT(%s) failed", # truth); \ } while (0) #endif #define QUIC_ERR(_fmt, _args...) \ do { \ clib_warning ("QUIC-ERR: " _fmt, ##_args); \ } while (0) extern vlib_node_registration_t quic_input_node; typedef enum { #define quic_error(n,s) QUIC_ERROR_##n, #include <plugins/quic/quic_error.def> #undef quic_error QUIC_N_ERROR, } quic_error_t; typedef enum quic_ctx_conn_state_ { QUIC_CONN_STATE_OPENED, QUIC_CONN_STATE_HANDSHAKE, QUIC_CONN_STATE_READY, QUIC_CONN_STATE_PASSIVE_CLOSING, QUIC_CONN_STATE_PASSIVE_CLOSING_APP_CLOSED, QUIC_CONN_STATE_PASSIVE_CLOSING_QUIC_CLOSED, QUIC_CONN_STATE_ACTIVE_CLOSING, } quic_ctx_conn_state_t; typedef enum quic_packet_type_ { QUIC_PACKET_TYPE_NONE, QUIC_PACKET_TYPE_RECEIVE, QUIC_PACKET_TYPE_MIGRATE, QUIC_PACKET_TYPE_ACCEPT, QUIC_PACKET_TYPE_RESET, QUIC_PACKET_TYPE_DROP, } quic_packet_type_t; typedef enum quic_ctx_flags_ { QUIC_F_IS_STREAM = (1 << 0), QUIC_F_IS_LISTENER = (1 << 1), } quic_ctx_flags_t; /* This structure is used to implement the concept of VPP connection for QUIC. * We create one per connection and one per stream. */ typedef struct quic_ctx_ { union { transport_connection_t connection; struct { /** QUIC ctx case */ quicly_conn_t *conn; u32 listener_ctx_id; u32 client_opaque; u8 *srv_hostname; u8 conn_state; u8 udp_is_ip4; u8 _qctx_end_marker; /* Leave this at the end */ }; struct { /** STREAM ctx case */ quicly_stream_t *stream; u32 quic_connection_ctx_id; u8 _sctx_end_marker; /* Leave this at the end */ }; }; session_handle_t udp_session_handle; u32 timer_handle; u32 parent_app_wrk_id; u32 parent_app_id; u32 ckpair_index; quicly_context_t *quicly_ctx; u8 flags; } quic_ctx_t; /* Make sure our custom fields don't overlap with the fields we use in .connection */ STATIC_ASSERT (offsetof (quic_ctx_t, _qctx_end_marker) <= TRANSPORT_CONN_ID_LEN, "connection data must be less than TRANSPORT_CONN_ID_LEN bytes"); STATIC_ASSERT (offsetof (quic_ctx_t, _sctx_end_marker) <= TRANSPORT_CONN_ID_LEN, "connection data must be less than TRANSPORT_CONN_ID_LEN bytes"); /* single-entry session cache */ typedef struct quic_session_cache_ { ptls_encrypt_ticket_t super; uint8_t id[32]; ptls_iovec_t data; } quic_session_cache_t; typedef struct quic_stream_data_ { u32 ctx_id; u32 thread_index; u32 app_rx_data_len; /**< bytes received, to be read by external app */ u32 app_tx_data_len; /**< bytes sent */ } quic_stream_data_t; typedef struct quic_worker_ctx_ { CLIB_CACHE_LINE_ALIGN_MARK (cacheline0); int64_t time_now; /**< worker time */ tw_timer_wheel_1t_3w_1024sl_ov_t timer_wheel; /**< worker timer wheel */ } quic_worker_ctx_t; typedef struct quic_rx_packet_ctx_ { quicly_decoded_packet_t packet; u8 data[QUIC_MAX_PACKET_SIZE]; u32 ctx_index; u32 thread_index; union { struct sockaddr sa; struct sockaddr_in6 sa6; }; socklen_t salen; u8 ptype; session_dgram_hdr_t ph; } quic_rx_packet_ctx_t; typedef struct quicly_ctx_data_ { quicly_context_t quicly_ctx; char cid_key[17]; ptls_context_t ptls_ctx; } quicly_ctx_data_t; typedef struct quic_main_ { u32 app_index; quic_ctx_t **ctx_pool; quic_worker_ctx_t *wrk_ctx; clib_bihash_16_8_t connection_hash; /**< quic connection id -> conn handle */ f64 tstamp_ticks_per_clock; ptls_cipher_suite_t ***quic_ciphers; /**< available ciphers by crypto engine */ uword *available_crypto_engines; /**< Bitmap for registered engines */ u8 default_crypto_engine; /**< Used if you do connect with CRYPTO_ENGINE_NONE (0) */ ptls_handshake_properties_t hs_properties; quicly_cid_plaintext_t next_cid; quic_session_cache_t session_cache; u32 udp_fifo_size; u32 udp_fifo_prealloc; u32 connection_timeout; } quic_main_t; #endif /* __included_quic_h__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */