/* * Copyright (c) 2020 Doc.ai and/or its affiliates. * Copyright (c) 2020 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_wg_send_h__ #define __included_wg_send_h__ #include <wireguard/wireguard_peer.h> u8 *wg_build_rewrite (ip46_address_t *src_addr, u16 src_port, ip46_address_t *dst_addr, u16 dst_port, u8 is_ip4); bool wg_send_keepalive (vlib_main_t * vm, wg_peer_t * peer); bool wg_send_handshake (vlib_main_t * vm, wg_peer_t * peer, bool is_retry); void wg_send_handshake_from_mt (u32 peer_index, bool is_retry); bool wg_send_handshake_response (vlib_main_t * vm, wg_peer_t * peer); bool wg_send_handshake_cookie (vlib_main_t *vm, u32 sender_index, cookie_checker_t *cookie_checker, message_macs_t *macs, ip46_address_t *wg_if_addr, u16 wg_if_port, ip46_address_t *remote_addr, u16 remote_port); always_inline void ip4_header_set_len_w_chksum (ip4_header_t * ip4, u16 len) { ip_csum_t sum = ip4->checksum; u16 old = ip4->length; u16 new = len; sum = ip_csum_update (sum, old, new, ip4_header_t, length); ip4->checksum = ip_csum_fold (sum); ip4->length = new; } #endif /* __included_wg_send_h__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */