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/*
* Copyright (c) 2016 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_H_
#define VNET_VNET_URI_TRANSPORT_H_
#include <vnet/vnet.h>
#include <vnet/ip/ip.h>
#include <vnet/tcp/tcp_debug.h>
/*
* Protocol independent transport properties associated to a session
*/
typedef struct _transport_connection
{
ip46_address_t rmt_ip; /**< Remote IP */
ip46_address_t lcl_ip; /**< Local IP */
u16 lcl_port; /**< Local port */
u16 rmt_port; /**< Remote port */
u8 transport_proto; /**< Protocol id */
u8 is_ip4; /**< Flag if IP4 connection */
u32 fib_index; /**< Network namespace */
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; /**< FIB entry index for rmt */
dpo_id_t rmt_dpo; /**< Forwarding DPO for rmt */
#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_transport_proto connection.transport_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
} transport_connection_t;
typedef enum _transport_proto
{
TRANSPORT_PROTO_TCP,
TRANSPORT_PROTO_UDP
} transport_proto_t;
#define foreach_transport_connection_fields \
_(u32, sw_if_index) /**< interface endpoint is associated with */ \
_(ip46_address_t, ip) /**< ip address */ \
_(u32, fib_index) /**< fib table endpoint is associated with */ \
_(u8, is_ip4) /**< 1 if ip4 */ \
_(u16, port) /**< port in net order */ \
typedef struct _transport_endpoint
{
#define _(type, name) type name;
foreach_transport_connection_fields
#undef _
} transport_endpoint_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;
}
#endif /* VNET_VNET_URI_TRANSPORT_H_ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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