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/*
* Copyright (c) 2019 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.
*/
#include <vnet/ipsec/ipsec_types_api.h>
#include <vlibapi/api_types.h>
int
ipsec_proto_decode (vl_api_ipsec_proto_t in, ipsec_protocol_t * out)
{
in = clib_net_to_host_u32 (in);
switch (in)
{
case IPSEC_API_PROTO_ESP:
*out = IPSEC_PROTOCOL_ESP;
return (0);
case IPSEC_API_PROTO_AH:
*out = IPSEC_PROTOCOL_AH;
return (0);
}
return (VNET_API_ERROR_INVALID_PROTOCOL);
}
vl_api_ipsec_proto_t
ipsec_proto_encode (ipsec_protocol_t p)
{
switch (p)
{
case IPSEC_PROTOCOL_ESP:
return clib_host_to_net_u32 (IPSEC_API_PROTO_ESP);
case IPSEC_PROTOCOL_AH:
return clib_host_to_net_u32 (IPSEC_API_PROTO_AH);
}
return (VNET_API_ERROR_UNIMPLEMENTED);
}
int
ipsec_crypto_algo_decode (vl_api_ipsec_crypto_alg_t in,
ipsec_crypto_alg_t * out)
{
in = clib_net_to_host_u32 (in);
switch (in)
{
#define _(v,f,s) case IPSEC_API_CRYPTO_ALG_##f: \
*out = IPSEC_CRYPTO_ALG_##f; \
return (0);
foreach_ipsec_crypto_alg
#undef _
}
return (VNET_API_ERROR_INVALID_ALGORITHM);
}
vl_api_ipsec_crypto_alg_t
ipsec_crypto_algo_encode (ipsec_crypto_alg_t c)
{
switch (c)
{
#define _(v,f,s) case IPSEC_CRYPTO_ALG_##f: \
return clib_host_to_net_u32(IPSEC_API_CRYPTO_ALG_##f);
foreach_ipsec_crypto_alg
#undef _
case IPSEC_CRYPTO_N_ALG:
break;
}
ASSERT (0);
return (VNET_API_ERROR_UNIMPLEMENTED);
}
int
ipsec_integ_algo_decode (vl_api_ipsec_integ_alg_t in, ipsec_integ_alg_t * out)
{
in = clib_net_to_host_u32 (in);
switch (in)
{
#define _(v,f,s) case IPSEC_API_INTEG_ALG_##f: \
*out = IPSEC_INTEG_ALG_##f; \
return (0);
foreach_ipsec_integ_alg
#undef _
}
return (VNET_API_ERROR_INVALID_ALGORITHM);
}
vl_api_ipsec_integ_alg_t
ipsec_integ_algo_encode (ipsec_integ_alg_t i)
{
switch (i)
{
#define _(v,f,s) case IPSEC_INTEG_ALG_##f: \
return (clib_host_to_net_u32(IPSEC_API_INTEG_ALG_##f));
foreach_ipsec_integ_alg
#undef _
case IPSEC_INTEG_N_ALG:
break;
}
ASSERT (0);
return (VNET_API_ERROR_UNIMPLEMENTED);
}
void
ipsec_key_decode (const vl_api_key_t * key, ipsec_key_t * out)
{
ipsec_mk_key (out, key->data, key->length);
}
void
ipsec_key_encode (const ipsec_key_t * in, vl_api_key_t * out)
{
out->length = in->len;
clib_memcpy (out->data, in->data, out->length);
}
ipsec_sa_flags_t
ipsec_sa_flags_decode (vl_api_ipsec_sad_flags_t in)
{
ipsec_sa_flags_t flags = IPSEC_SA_FLAG_NONE;
in = clib_net_to_host_u32 (in);
if (in & IPSEC_API_SAD_FLAG_USE_ESN)
flags |= IPSEC_SA_FLAG_USE_ESN;
if (in & IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY)
flags |= IPSEC_SA_FLAG_USE_ANTI_REPLAY;
if (in & IPSEC_API_SAD_FLAG_IS_TUNNEL)
flags |= IPSEC_SA_FLAG_IS_TUNNEL;
if (in & IPSEC_API_SAD_FLAG_IS_TUNNEL_V6)
flags |= IPSEC_SA_FLAG_IS_TUNNEL_V6;
if (in & IPSEC_API_SAD_FLAG_UDP_ENCAP)
flags |= IPSEC_SA_FLAG_UDP_ENCAP;
if (in & IPSEC_API_SAD_FLAG_IS_INBOUND)
flags |= IPSEC_SA_FLAG_IS_INBOUND;
if (in & IPSEC_API_SAD_FLAG_ASYNC)
flags |= IPSEC_SA_FLAG_IS_ASYNC;
return (flags);
}
vl_api_ipsec_sad_flags_t
ipsec_sad_flags_encode (const ipsec_sa_t * sa)
{
vl_api_ipsec_sad_flags_t flags = IPSEC_API_SAD_FLAG_NONE;
if (ipsec_sa_is_set_USE_ESN (sa))
flags |= IPSEC_API_SAD_FLAG_USE_ESN;
if (ipsec_sa_is_set_USE_ANTI_REPLAY (sa))
flags |= IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY;
if (ipsec_sa_is_set_IS_TUNNEL (sa))
flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL;
if (ipsec_sa_is_set_IS_TUNNEL_V6 (sa))
flags |= IPSEC_API_SAD_FLAG_IS_TUNNEL_V6;
if (ipsec_sa_is_set_UDP_ENCAP (sa))
flags |= IPSEC_API_SAD_FLAG_UDP_ENCAP;
if (ipsec_sa_is_set_IS_INBOUND (sa))
flags |= IPSEC_API_SAD_FLAG_IS_INBOUND;
if (ipsec_sa_is_set_IS_ASYNC (sa))
flags |= IPSEC_API_SAD_FLAG_ASYNC;
return clib_host_to_net_u32 (flags);
}
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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