/* * Copyright (c) 2011-2016 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. */ /** * @file * @brief BFD protocol implementation */ #include <vnet/bfd/bfd_protocol.h> u8 bfd_pkt_get_version (const bfd_pkt_t * pkt) { return pkt->head.vers_diag >> 5; } void bfd_pkt_set_version (bfd_pkt_t * pkt, int version) { pkt->head.vers_diag = (version << 5) | (pkt->head.vers_diag & ((1 << 5) - 1)); } u8 bfd_pkt_get_diag_code (const bfd_pkt_t * pkt) { return pkt->head.vers_diag & ((1 << 5) - 1); } void bfd_pkt_set_diag_code (bfd_pkt_t * pkt, int value) { pkt->head.vers_diag = (pkt->head.vers_diag & ~((1 << 5) - 1)) | (value & ((1 << 5) - 1)); } u8 bfd_pkt_get_state (const bfd_pkt_t * pkt) { return pkt->head.sta_flags >> 6; } void bfd_pkt_set_state (bfd_pkt_t * pkt, int value) { pkt->head.sta_flags = (value << 6) | (pkt->head.sta_flags & ((1 << 6) - 1)); } u8 bfd_pkt_get_poll (const bfd_pkt_t * pkt) { return (pkt->head.sta_flags >> 5) & 1; } void bfd_pkt_set_poll (bfd_pkt_t * pkt) { pkt->head.sta_flags |= 1 << 5; } u8 bfd_pkt_get_final (const bfd_pkt_t * pkt) { return (pkt->head.sta_flags >> 4) & 1; } void bfd_pkt_set_final (bfd_pkt_t * pkt) { pkt->head.sta_flags |= 1 << 4; } u8 bfd_pkt_get_control_plane_independent (const bfd_pkt_t * pkt) { return (pkt->head.sta_flags >> 3) & 1; } #if 0 void bfd_pkt_set_control_plane_independent (bfd_pkt_t * pkt) { pkt->head.sta_flags |= 1 << 3; } #endif u8 bfd_pkt_get_auth_present (const bfd_pkt_t * pkt) { return (pkt->head.sta_flags >> 2) & 1; } void bfd_pkt_set_auth_present (bfd_pkt_t * pkt) { pkt->head.sta_flags |= 1 << 2; } u8 bfd_pkt_get_demand (const bfd_pkt_t * pkt) { return (pkt->head.sta_flags >> 1) & 1; } #if 0 void bfd_pkt_set_demand (bfd_pkt_t * pkt) { pkt->head.sta_flags |= 1 << 1; } #endif u8 bfd_pkt_get_multipoint (const bfd_pkt_t * pkt) { return (pkt->head.sta_flags >> 0) & 1; } #if 0 void bfd_pkt_set_multipoint (bfd_pkt_t * pkt) { pkt->head.sta_flags |= 1 << 0; } #endif u32 bfd_max_key_len_for_auth_type (bfd_auth_type_e auth_type) { #define F(t, l, n, s) \ if (auth_type == t) \ { \ return l; \ } foreach_bfd_auth_type (F); #undef F return 0; } const char * bfd_auth_type_str (bfd_auth_type_e auth_type) { #define F(t, l, n, s) \ if (auth_type == t) \ { \ return s; \ } foreach_bfd_auth_type (F); #undef F return "UNKNOWN"; } const char * bfd_diag_code_string (bfd_diag_code_e diag) { #define F(n, t, s) \ case BFD_DIAG_CODE_NAME (t): \ return s; switch (diag) { foreach_bfd_diag_code (F)} return "UNKNOWN"; #undef F } const char * bfd_state_string (bfd_state_e state) { #define F(n, t, s) \ case BFD_STATE_NAME (t): \ return s; switch (state) { foreach_bfd_state (F)} return "UNKNOWN"; #undef F } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */