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/*
* 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:
*/
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