From 1ee7830e9ee8a62800822b6f5224d66243b916d4 Mon Sep 17 00:00:00 2001 From: Florin Coras Date: Tue, 5 Feb 2019 15:51:15 -0800 Subject: transport: cleanup - move transport specific types to transport_types - add transport wrapper functions for interaction with transport protocol vfts Change-Id: I93f70d884585fc2f41c4a605e310c80e8a8972f2 Signed-off-by: Florin Coras --- src/vnet/session/transport_types.h | 197 +++++++++++++++++++++++++++++++++++++ 1 file changed, 197 insertions(+) create mode 100644 src/vnet/session/transport_types.h (limited to 'src/vnet/session/transport_types.h') diff --git a/src/vnet/session/transport_types.h b/src/vnet/session/transport_types.h new file mode 100644 index 00000000000..d309c581db8 --- /dev/null +++ b/src/vnet/session/transport_types.h @@ -0,0 +1,197 @@ +/* + * Copyright (c) 2016-2019 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 VNET_VNET_URI_TRANSPORT_TYPES_H_ +#define VNET_VNET_URI_TRANSPORT_TYPES_H_ + +#include +#include +#include + +#define TRANSPORT_MAX_HDRS_LEN 100 /* Max number of bytes for headers */ + +typedef enum transport_dequeue_type_ +{ + TRANSPORT_TX_PEEK, /**< reliable transport protos */ + TRANSPORT_TX_DEQUEUE, /**< unreliable transport protos */ + TRANSPORT_TX_INTERNAL, /**< apps acting as transports */ + TRANSPORT_TX_DGRAM, /**< datagram mode */ + TRANSPORT_TX_N_FNS +} transport_tx_fn_type_t; + +typedef enum transport_service_type_ +{ + TRANSPORT_SERVICE_VC, /**< virtual circuit service */ + TRANSPORT_SERVICE_CL, /**< connectionless service */ + TRANSPORT_SERVICE_APP, /**< app transport service */ + TRANSPORT_N_SERVICES +} transport_service_type_t; + +typedef struct _transport_stats +{ + u64 tx_bytes; +} transport_stats_t; + +typedef struct _spacer +{ + u64 bucket; + u32 max_burst_size; + f32 tokens_per_period; + u64 last_update; +} spacer_t; + +/* + * Protocol independent transport properties associated to a session + */ +typedef struct _transport_connection +{ + /** Connection ID */ + union + { + /* + * Network connection ID tuple + */ + struct + { + ip46_address_t rmt_ip; /**< Remote IP */ + ip46_address_t lcl_ip; /**< Local IP */ + u16 rmt_port; /**< Remote port */ + u16 lcl_port; /**< Local port */ + u8 is_ip4; /**< Flag if IP4 connection */ + u8 proto; /**< Protocol id */ + u32 fib_index; /**< Network namespace */ + }; + /* + * Opaque connection ID + */ + u8 opaque_conn_id[42]; + }; + + u32 s_index; /**< Parent session index */ + u32 c_index; /**< Connection index in transport pool */ + u32 thread_index; /**< Worker-thread index */ + + /*fib_node_index_t rmt_fei; + dpo_id_t rmt_dpo; */ + + u8 flags; /**< Transport specific flags */ + transport_stats_t stats; /**< Transport connection stats */ + spacer_t pacer; /**< Simple transport pacer */ + +#if TRANSPORT_DEBUG + elog_track_t elog_track; /**< Event logging */ + u32 cc_stat_tstamp; /**< CC stats timestamp */ +#endif + + /** Macros for 'derived classes' where base is named "connection" */ +#define c_lcl_ip connection.lcl_ip +#define c_rmt_ip connection.rmt_ip +#define c_lcl_ip4 connection.lcl_ip.ip4 +#define c_rmt_ip4 connection.rmt_ip.ip4 +#define c_lcl_ip6 connection.lcl_ip.ip6 +#define c_rmt_ip6 connection.rmt_ip.ip6 +#define c_lcl_port connection.lcl_port +#define c_rmt_port connection.rmt_port +#define c_proto connection.proto +#define c_fib_index connection.fib_index +#define c_s_index connection.s_index +#define c_c_index connection.c_index +#define c_is_ip4 connection.is_ip4 +#define c_thread_index connection.thread_index +#define c_elog_track connection.elog_track +#define c_cc_stat_tstamp connection.cc_stat_tstamp +#define c_rmt_fei connection.rmt_fei +#define c_rmt_dpo connection.rmt_dpo +#define c_opaque_id connection.opaque_conn_id +#define c_stats connection.stats +#define c_pacer connection.pacer +#define c_flags connection.flags +} transport_connection_t; + +#define TRANSPORT_CONNECTION_F_IS_TX_PACED 1 << 0 + +typedef enum _transport_proto +{ + TRANSPORT_PROTO_TCP, + TRANSPORT_PROTO_UDP, + TRANSPORT_PROTO_SCTP, + TRANSPORT_PROTO_NONE, + TRANSPORT_PROTO_TLS, + TRANSPORT_PROTO_UDPC, + TRANSPORT_N_PROTO +} transport_proto_t; + +u8 *format_transport_proto (u8 * s, va_list * args); +u8 *format_transport_proto_short (u8 * s, va_list * args); +u8 *format_transport_connection (u8 * s, va_list * args); +u8 *format_transport_listen_connection (u8 * s, va_list * args); +u8 *format_transport_half_open_connection (u8 * s, va_list * args); + +uword unformat_transport_proto (unformat_input_t * input, va_list * args); + +#define foreach_transport_endpoint_fields \ + _(ip46_address_t, ip) /**< ip address in net order */ \ + _(u16, port) /**< port in net order */ \ + _(u8, is_ip4) /**< set if ip4 */ \ + _(u32, sw_if_index) /**< interface endpoint is associated with */ \ + _(u32, fib_index) /**< fib table endpoint is associated with */ \ + +typedef struct transport_endpoint_ +{ +#define _(type, name) type name; + foreach_transport_endpoint_fields +#undef _ +} transport_endpoint_t; + +#define foreach_transport_endpoint_cfg_fields \ + foreach_transport_endpoint_fields \ + _(transport_endpoint_t, peer) \ + +typedef struct transport_endpoint_pair_ +{ +#define _(type, name) type name; + foreach_transport_endpoint_cfg_fields +#undef _ +} transport_endpoint_cfg_t; + +typedef clib_bihash_24_8_t transport_endpoint_table_t; + +#define ENDPOINT_INVALID_INDEX ((u32)~0) + +always_inline u8 +transport_connection_fib_proto (transport_connection_t * tc) +{ + return tc->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6; +} + +always_inline u8 +transport_endpoint_fib_proto (transport_endpoint_t * tep) +{ + return tep->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6; +} + +u8 transport_protocol_is_cl (transport_proto_t tp); +transport_service_type_t transport_protocol_service_type (transport_proto_t); +transport_tx_fn_type_t transport_protocol_tx_fn_type (transport_proto_t tp); + +#endif /* VNET_VNET_URI_TRANSPORT_TYPES_H_ */ + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ -- cgit 1.2.3-korg