121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
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/*
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* Copyright (c) 2021 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <vnet/plugin/plugin.h>
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#include <vpp/app/version.h>
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#include <vnet/session/application_interface.h>
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#include <vnet/session/application.h>
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#include <srtp2/srtp.h>
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#ifndef SRC_PLUGINS_SRTP_SRTP_H_
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#define SRC_PLUGINS_SRTP_SRTP_H_
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#define SRTP_DEBUG 0
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#if SRTP_DEBUG
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#define SRTP_DBG(_lvl, _fmt, _args...) \
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if (_lvl <= SRTP_DEBUG) \
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clib_warning (_fmt, ##_args)
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#else
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#define SRTP_DBG(_lvl, _fmt, _args...)
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#endif
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typedef struct srtp_cxt_id_
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{
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union
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{
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session_handle_t app_session_handle;
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u32 parent_app_api_ctx;
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};
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session_handle_t srtp_session_handle;
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u32 parent_app_wrk_index;
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u32 srtp_ctx;
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u32 listener_ctx_index;
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u8 udp_is_ip4;
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} srtp_ctx_id_t;
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STATIC_ASSERT (sizeof (srtp_ctx_id_t) <= TRANSPORT_CONN_ID_LEN,
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"ctx id must be less than TRANSPORT_CONN_ID_LEN");
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#define SRTP_MAX_KEYLEN 46 /**< libsrtp AES 256 key len with salt */
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typedef struct transport_endpt_cfg_srtp_policy
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{
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u32 ssrc_type;
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u32 ssrc_value;
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u32 window_size;
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u8 allow_repeat_tx;
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u8 key_len;
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u8 key[SRTP_MAX_KEYLEN];
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} transport_endpt_cfg_srtp_policy_t;
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typedef struct transport_endpt_cfg_srtp
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{
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transport_endpt_cfg_srtp_policy_t policies[2];
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} transport_endpt_cfg_srtp_t;
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typedef struct srtp_ctx_
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{
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union
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{
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transport_connection_t connection;
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srtp_ctx_id_t c_srtp_ctx_id;
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};
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#define parent_app_wrk_index c_srtp_ctx_id.parent_app_wrk_index
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#define app_session_handle c_srtp_ctx_id.app_session_handle
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#define srtp_session_handle c_srtp_ctx_id.srtp_session_handle
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#define listener_ctx_index c_srtp_ctx_id.listener_ctx_index
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#define udp_is_ip4 c_srtp_ctx_id.udp_is_ip4
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#define srtp_ctx_engine c_srtp_ctx_id.srtp_engine_id
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#define srtp_ssl_ctx c_srtp_ctx_id.ssl_ctx
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#define srtp_ctx_handle c_c_index
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/* Temporary storage for session open opaque. Overwritten once
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* underlying tcp connection is established */
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#define parent_app_api_context c_srtp_ctx_id.parent_app_api_ctx
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u8 is_passive_close;
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u8 resume;
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u8 app_closed;
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u8 no_app_session;
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u8 is_migrated;
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srtp_t srtp_ctx;
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srtp_policy_t srtp_policy[2];
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} srtp_tc_t;
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typedef struct srtp_main_
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{
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srtp_tc_t **ctx_pool;
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srtp_tc_t *listener_ctx_pool;
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u32 app_index;
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clib_rwlock_t half_open_rwlock;
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/*
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* Config
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*/
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u64 first_seg_size;
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u32 fifo_size;
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} srtp_main_t;
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#endif /* SRC_PLUGINS_SRTP_SRTP_H_ */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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