2 * Copyright (c) 2016-2019 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #ifndef VNET_VNET_URI_TRANSPORT_TYPES_H_
17 #define VNET_VNET_URI_TRANSPORT_TYPES_H_
19 #include <vnet/vnet.h>
20 #include <vnet/ip/ip.h>
21 #include <vnet/tcp/tcp_debug.h>
23 #define TRANSPORT_MAX_HDRS_LEN 100 /* Max number of bytes for headers */
25 typedef enum transport_dequeue_type_
27 TRANSPORT_TX_PEEK, /**< reliable transport protos */
28 TRANSPORT_TX_DEQUEUE, /**< unreliable transport protos */
29 TRANSPORT_TX_INTERNAL, /**< apps acting as transports */
30 TRANSPORT_TX_DGRAM, /**< datagram mode */
32 } transport_tx_fn_type_t;
34 typedef enum transport_service_type_
36 TRANSPORT_SERVICE_VC, /**< virtual circuit service */
37 TRANSPORT_SERVICE_CL, /**< connectionless service */
38 TRANSPORT_SERVICE_APP, /**< app transport service */
40 } transport_service_type_t;
42 typedef struct _transport_stats
47 typedef struct _spacer
51 f32 tokens_per_period;
56 * Protocol independent transport properties associated to a session
58 typedef struct _transport_connection
64 * Network connection ID tuple
68 ip46_address_t rmt_ip; /**< Remote IP */
69 ip46_address_t lcl_ip; /**< Local IP */
70 u16 rmt_port; /**< Remote port */
71 u16 lcl_port; /**< Local port */
72 u8 is_ip4; /**< Flag if IP4 connection */
73 u8 proto; /**< Protocol id */
74 u32 fib_index; /**< Network namespace */
77 * Opaque connection ID
79 u8 opaque_conn_id[42];
82 u32 s_index; /**< Parent session index */
83 u32 c_index; /**< Connection index in transport pool */
84 u32 thread_index; /**< Worker-thread index */
86 /*fib_node_index_t rmt_fei;
89 u8 flags; /**< Transport specific flags */
90 transport_stats_t stats; /**< Transport connection stats */
91 spacer_t pacer; /**< Simple transport pacer */
94 elog_track_t elog_track; /**< Event logging */
95 u32 cc_stat_tstamp; /**< CC stats timestamp */
98 /** Macros for 'derived classes' where base is named "connection" */
99 #define c_lcl_ip connection.lcl_ip
100 #define c_rmt_ip connection.rmt_ip
101 #define c_lcl_ip4 connection.lcl_ip.ip4
102 #define c_rmt_ip4 connection.rmt_ip.ip4
103 #define c_lcl_ip6 connection.lcl_ip.ip6
104 #define c_rmt_ip6 connection.rmt_ip.ip6
105 #define c_lcl_port connection.lcl_port
106 #define c_rmt_port connection.rmt_port
107 #define c_proto connection.proto
108 #define c_fib_index connection.fib_index
109 #define c_s_index connection.s_index
110 #define c_c_index connection.c_index
111 #define c_is_ip4 connection.is_ip4
112 #define c_thread_index connection.thread_index
113 #define c_elog_track connection.elog_track
114 #define c_cc_stat_tstamp connection.cc_stat_tstamp
115 #define c_rmt_fei connection.rmt_fei
116 #define c_rmt_dpo connection.rmt_dpo
117 #define c_opaque_id connection.opaque_conn_id
118 #define c_stats connection.stats
119 #define c_pacer connection.pacer
120 #define c_flags connection.flags
121 } transport_connection_t;
123 #define TRANSPORT_CONNECTION_F_IS_TX_PACED 1 << 0
125 typedef enum _transport_proto
129 TRANSPORT_PROTO_SCTP,
130 TRANSPORT_PROTO_NONE,
132 TRANSPORT_PROTO_UDPC,
136 u8 *format_transport_proto (u8 * s, va_list * args);
137 u8 *format_transport_proto_short (u8 * s, va_list * args);
138 u8 *format_transport_connection (u8 * s, va_list * args);
139 u8 *format_transport_listen_connection (u8 * s, va_list * args);
140 u8 *format_transport_half_open_connection (u8 * s, va_list * args);
142 uword unformat_transport_proto (unformat_input_t * input, va_list * args);
144 #define foreach_transport_endpoint_fields \
145 _(ip46_address_t, ip) /**< ip address in net order */ \
146 _(u16, port) /**< port in net order */ \
147 _(u8, is_ip4) /**< set if ip4 */ \
148 _(u32, sw_if_index) /**< interface endpoint is associated with */ \
149 _(u32, fib_index) /**< fib table endpoint is associated with */ \
151 typedef struct transport_endpoint_
153 #define _(type, name) type name;
154 foreach_transport_endpoint_fields
156 } transport_endpoint_t;
158 #define foreach_transport_endpoint_cfg_fields \
159 foreach_transport_endpoint_fields \
160 _(transport_endpoint_t, peer) \
162 typedef struct transport_endpoint_pair_
164 #define _(type, name) type name;
165 foreach_transport_endpoint_cfg_fields
167 } transport_endpoint_cfg_t;
169 typedef clib_bihash_24_8_t transport_endpoint_table_t;
171 #define ENDPOINT_INVALID_INDEX ((u32)~0)
174 transport_connection_fib_proto (transport_connection_t * tc)
176 return tc->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
180 transport_endpoint_fib_proto (transport_endpoint_t * tep)
182 return tep->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
185 u8 transport_protocol_is_cl (transport_proto_t tp);
186 transport_service_type_t transport_protocol_service_type (transport_proto_t);
187 transport_tx_fn_type_t transport_protocol_tx_fn_type (transport_proto_t tp);
189 #endif /* VNET_VNET_URI_TRANSPORT_TYPES_H_ */
192 * fd.io coding-style-patch-verification: ON
195 * eval: (c-set-style "gnu")