diff options
Diffstat (limited to 'src/vnet/tunnel')
| -rw-r--r-- | src/vnet/tunnel/tunnel.c | 58 | ||||
| -rw-r--r-- | src/vnet/tunnel/tunnel.h | 66 | ||||
| -rw-r--r-- | src/vnet/tunnel/tunnel_types.api | 50 | ||||
| -rw-r--r-- | src/vnet/tunnel/tunnel_types_api.c | 87 | ||||
| -rw-r--r-- | src/vnet/tunnel/tunnel_types_api.h | 47 |
5 files changed, 308 insertions, 0 deletions
diff --git a/src/vnet/tunnel/tunnel.c b/src/vnet/tunnel/tunnel.c new file mode 100644 index 00000000000..83b1046b526 --- /dev/null +++ b/src/vnet/tunnel/tunnel.c @@ -0,0 +1,58 @@ +/* + * tunnel.h: shared definitions for tunnels. + * + * 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/tunnel/tunnel.h> + +u8 * +format_tunnel_mode (u8 * s, va_list * args) +{ + tunnel_mode_t mode = va_arg (*args, int); + + switch (mode) + { +#define _(n, v) case TUNNEL_MODE_##n: \ + s = format (s, "%s", v); \ + break; + foreach_tunnel_mode +#undef _ + } + + return (s); +} + +u8 * +format_tunnel_encap_decap_flags (u8 * s, va_list * args) +{ + tunnel_encap_decap_flags_t f = va_arg (*args, int); + + if (f == TUNNEL_ENCAP_DECAP_FLAG_NONE) + return (format (s, "none")); + +#define _(a,b,c) if (f & TUNNEL_ENCAP_DECAP_FLAG_##a) s = format(s, "%s ", b); + forech_tunnel_encap_decap_flag +#undef _ + return (s); +} + + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/vnet/tunnel/tunnel.h b/src/vnet/tunnel/tunnel.h new file mode 100644 index 00000000000..e3390f5a165 --- /dev/null +++ b/src/vnet/tunnel/tunnel.h @@ -0,0 +1,66 @@ +/* + * tunnel.h: shared definitions for tunnels. + * + * 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. + */ + +#ifndef __TUNNEL_H__ +#define __TUNNEL_H__ + +#include <vlib/vlib.h> + +#define foreach_tunnel_mode \ + _(P2P, "point-to-point") \ + _(MP, "multi-point") \ + +typedef enum tunnel_mode_t_ +{ +#define _(n, s) TUNNEL_MODE_##n, + foreach_tunnel_mode +#undef _ +} __clib_packed tunnel_mode_t; + +extern u8 *format_tunnel_mode (u8 * s, va_list * args); + +/** + * Keep these idenitical to those in ipip.api + */ +#define forech_tunnel_encap_decap_flag \ + _(NONE, "none", 0x0) \ + _(ENCAP_COPY_DF, "encap-copy-df", 0x1) \ + _(ENCAP_SET_DF, "encap-set-df", 0x2) \ + _(ENCAP_COPY_DSCP, "encap-copy-dscp", 0x4) \ + _(ENCAP_COPY_ECN, "encap-copy-ecn", 0x8) \ + _(DECAP_COPY_ECN, "decap-copy-ecn", 0x10) + +typedef enum tunnel_encap_decap_flags_t_ +{ +#define _(a,b,c) TUNNEL_ENCAP_DECAP_FLAG_##a = c, + forech_tunnel_encap_decap_flag +#undef _ +} __clib_packed tunnel_encap_decap_flags_t; + +#define TUNNEL_FLAG_MASK (0x1f) + +extern u8 *format_tunnel_encap_decap_flags (u8 * s, va_list * args); + +#endif + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/vnet/tunnel/tunnel_types.api b/src/vnet/tunnel/tunnel_types.api new file mode 100644 index 00000000000..103948d08c7 --- /dev/null +++ b/src/vnet/tunnel/tunnel_types.api @@ -0,0 +1,50 @@ +/* Hey Emacs use -*- mode: C -*- */ +/* + * 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. + */ + +/** + * Flags controlling tunnel behaviour + */ +enum tunnel_encap_decap_flags : u8 +{ + TUNNEL_API_ENCAP_DECAP_FLAG_NONE = 0, + /** at encap, copy the DF bit of the payload into the tunnel header */ + TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_DF = 0x1, + /** at encap, set the DF bit in the tunnel header */ + TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_SET_DF = 0x2, + /** at encap, copy the DSCP bits of the payload into the tunnel header */ + TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP = 0x4, + /** at encap, copy the ECN bit of the payload into the tunnel header */ + TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN = 0x8, + /** at decap, copy the ECN bit of the tunnel header into the payload */ + TUNNEL_API_ENCAP_DECAP_FLAG_DECAP_COPY_ECN = 0x10, +}; + +/** + * tunnel mode + */ +enum tunnel_mode : u8 +{ + /** point-to-point */ + TUNNEL_API_MODE_P2P, + /** multi-point */ + TUNNEL_API_MODE_MP, +}; + +/* + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/vnet/tunnel/tunnel_types_api.c b/src/vnet/tunnel/tunnel_types_api.c new file mode 100644 index 00000000000..1d48178e9df --- /dev/null +++ b/src/vnet/tunnel/tunnel_types_api.c @@ -0,0 +1,87 @@ +/* + * tunnel_api.c - tunnel api + * + * Copyright (c) 2018 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/api_errno.h> +#include <vnet/tunnel/tunnel_types_api.h> + +#include <vnet/tunnel/tunnel_types.api_enum.h> +#include <vnet/tunnel/tunnel_types.api_types.h> + + +STATIC_ASSERT (sizeof (vl_api_tunnel_encap_decap_flags_t) == + sizeof (tunnel_encap_decap_flags_t), + "tunnel API and internal flags enum size differ"); + +int +tunnel_encap_decap_flags_decode (vl_api_tunnel_encap_decap_flags_t f, + tunnel_encap_decap_flags_t * o) +{ + if (f & ~TUNNEL_FLAG_MASK) + /* unknown flags set */ + return (VNET_API_ERROR_INVALID_VALUE_2); + + *o = (tunnel_encap_decap_flags_t) f; + return (0); +} + +vl_api_tunnel_encap_decap_flags_t +tunnel_encap_decap_flags_encode (tunnel_encap_decap_flags_t f) +{ + return ((vl_api_tunnel_encap_decap_flags_t) f); +} + +int +tunnel_mode_decode (vl_api_tunnel_mode_t in, tunnel_mode_t * out) +{ + switch (in) + { +#define _(n, v) \ + case TUNNEL_API_MODE_##n: \ + *out = TUNNEL_MODE_##n; \ + return (0); + foreach_tunnel_mode +#undef _ + } + + return (VNET_API_ERROR_INVALID_VALUE_2); +} + +vl_api_tunnel_mode_t +tunnel_mode_encode (tunnel_mode_t in) +{ + vl_api_tunnel_mode_t out = TUNNEL_API_MODE_P2P; + + switch (in) + { +#define _(n, v) \ + case TUNNEL_MODE_##n: \ + out = TUNNEL_API_MODE_##n; \ + break; + foreach_tunnel_mode +#undef _ + } + + return (out); +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ diff --git a/src/vnet/tunnel/tunnel_types_api.h b/src/vnet/tunnel/tunnel_types_api.h new file mode 100644 index 00000000000..06439dc87c1 --- /dev/null +++ b/src/vnet/tunnel/tunnel_types_api.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2018 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 __TUNNEL_TYPES_API_H__ +#define __TUNNEL_TYPES_API_H__ + +/** + * Conversion functions to/from (decode/encode) API types to VPP internal types + */ + +#include <vnet/tunnel/tunnel.h> +#include <vnet/tunnel/tunnel_types.api_types.h> + +/** + * These enum decode/encodes use 'int' as the type for the enum because + * one cannot forward declare an enum + */ +extern int tunnel_encap_decap_flags_decode (vl_api_tunnel_encap_decap_flags_t + _f, + tunnel_encap_decap_flags_t * out); +extern vl_api_tunnel_encap_decap_flags_t +tunnel_encap_decap_flags_encode (tunnel_encap_decap_flags_t f); + +extern int tunnel_mode_decode (vl_api_tunnel_mode_t in, tunnel_mode_t * out); +extern vl_api_tunnel_mode_t tunnel_mode_encode (tunnel_mode_t in); + +#endif + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |