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Merge pull request FDio#31 from TetsuyaMurakami/ietf105-hackathon
Fix FDio#21
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -14,6 +14,7 @@ | |
| add_vpp_plugin(srv6mobile | ||
| SOURCES | ||
| gtp4_e.c | ||
| gtp4_d.c | ||
| gtp6_e.c | ||
| gtp6_d.c | ||
| gtp6_d_di.c | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| /* | ||
| * srv6_end_m_gtp4_d.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. | ||
| */ | ||
|
|
||
| #include <vnet/vnet.h> | ||
| #include <vnet/adj/adj.h> | ||
| #include <vnet/plugin/plugin.h> | ||
| #include <vpp/app/version.h> | ||
| #include <srv6-mobile/mobile.h> | ||
|
|
||
| srv6_end_main_v4_decap_t srv6_end_main_v4_decap; | ||
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|
||
| static void | ||
| clb_dpo_lock_srv6_end_m_gtp4_d (dpo_id_t * dpo) | ||
| { | ||
| } | ||
|
|
||
| static void | ||
| clb_dpo_unlock_srv6_end_m_gtp4_d (dpo_id_t * dpo) | ||
| { | ||
| } | ||
|
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||
| static u8 * | ||
| clb_dpo_format_srv6_end_m_gtp4_d (u8 * s, va_list * args) | ||
| { | ||
| index_t index = va_arg (*args, index_t); | ||
| CLIB_UNUSED (u32 indent) = va_arg (*args, u32); | ||
|
|
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| return (format (s, "SR: dynamic_proxy_index:[%u]", index)); | ||
| } | ||
|
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||
| const static dpo_vft_t dpo_vft = { | ||
| .dv_lock = clb_dpo_lock_srv6_end_m_gtp4_d, | ||
| .dv_unlock = clb_dpo_unlock_srv6_end_m_gtp4_d, | ||
| .dv_format = clb_dpo_format_srv6_end_m_gtp4_d, | ||
| }; | ||
|
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||
| const static char *const srv6_end_m_gtp4_d_nodes[] = { | ||
| "srv6-end-m-gtp4-d", | ||
| NULL, | ||
| }; | ||
|
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| const static char *const *const dpo_nodes[DPO_PROTO_NUM] = { | ||
| [DPO_PROTO_IP4] = srv6_end_m_gtp4_d_nodes, | ||
| }; | ||
|
|
||
| static u8 fn_name[] = "SRv6-End.M.GTP4.D-plugin"; | ||
| static u8 keyword_str[] = "end.m.gtp4.d"; | ||
| static u8 def_str[] = "Endpoint function with dencapsulation for IPv6/GTP tunnel"; | ||
| static u8 param_str[] = "<sr-prefix>/<sr-prefixlen> v6src_prefix <v6src_prefix>/<prefixlen>"; | ||
|
|
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| static u8 * | ||
| clb_format_srv6_end_m_gtp4_d (u8 * s, va_list * args) | ||
| { | ||
| srv6_end_gtp4_param_t *ls_mem = va_arg (*args, void *); | ||
|
|
||
| s = format (s, "SRv6 End gtp4.d\n\t"); | ||
|
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| s = format (s, "SR Prefix: %U/%d, ", format_ip6_address, &ls_mem->sr_prefix, ls_mem->sr_prefixlen); | ||
|
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| s = format (s, "v6src Prefix: %U/%d\n", format_ip6_address, &ls_mem->v6src_prefix, ls_mem->v6src_prefixlen); | ||
|
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| return s; | ||
| } | ||
|
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||
| static uword | ||
| clb_unformat_srv6_end_m_gtp4_d (unformat_input_t * input, va_list * args) | ||
| { | ||
| void **plugin_mem_p = va_arg (*args, void **); | ||
| srv6_end_gtp4_param_t *ls_mem; | ||
| ip6_address_t sr_prefix; | ||
| u32 sr_prefixlen; | ||
| ip6_address_t v6src_prefix; | ||
| u32 v6src_prefixlen; | ||
|
|
||
| if (!unformat (input, "end.m.gtp4.d %U/%d v6src_prefix %U/%d", | ||
| unformat_ip6_address, &sr_prefix, &sr_prefixlen, | ||
| unformat_ip6_address, &v6src_prefix, &v6src_prefixlen)) | ||
| { | ||
| return 0; | ||
| } | ||
|
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| ls_mem = clib_mem_alloc_aligned_at_offset (sizeof *ls_mem, 0, 0, 1); | ||
| clib_memset (ls_mem, 0, sizeof *ls_mem); | ||
| *plugin_mem_p = ls_mem; | ||
|
|
||
| ls_mem->sr_prefix = sr_prefix; | ||
| ls_mem->sr_prefixlen = sr_prefixlen; | ||
|
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| ls_mem->v6src_prefix = v6src_prefix; | ||
| ls_mem->v6src_prefixlen = v6src_prefixlen; | ||
|
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| return 1; | ||
| } | ||
|
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||
| static int | ||
| clb_creation_srv6_end_m_gtp4_d (ip6_sr_localsid_t * localsid) | ||
| { | ||
| return 0; | ||
| } | ||
|
|
||
| static int | ||
| clb_removal_srv6_end_m_gtp4_d (ip6_sr_localsid_t * localsid) | ||
| { | ||
| srv6_end_gtp4_param_t *ls_mem; | ||
|
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| ls_mem = localsid->plugin_mem; | ||
|
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| clib_mem_free (ls_mem); | ||
|
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| return 0; | ||
| } | ||
|
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| static clib_error_t * | ||
| srv6_end_m_gtp4_d_init (vlib_main_t * vm) | ||
| { | ||
| srv6_end_main_v4_decap_t *sm = &srv6_end_main_v4_decap; | ||
| ip6_header_t *ip6; | ||
| dpo_type_t dpo_type; | ||
| vlib_node_t *node; | ||
| u32 rc; | ||
|
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| sm->vlib_main = vm; | ||
| sm->vnet_main = vnet_get_main (); | ||
|
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| node = vlib_get_node_by_name (vm, (u8 *) "srv6-end-m-gtp4-d"); | ||
| sm->end_m_gtp4_d_node_index = node->index; | ||
|
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| node = vlib_get_node_by_name (vm, (u8 *) "error-drop"); | ||
| sm->error_node_index = node->index; | ||
|
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| ip6 = &sm->cache_hdr; | ||
|
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| clib_memset_u8 (ip6, 0, sizeof(ip6_header_t)); | ||
|
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||
| // IPv6 header (default) | ||
| ip6->ip_version_traffic_class_and_flow_label = 0x60; | ||
| ip6->hop_limit = 64; | ||
| ip6->protocol = IP_PROTOCOL_IPV6; | ||
|
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| dpo_type = dpo_register_new_type (&dpo_vft, dpo_nodes); | ||
|
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| rc = sr_localsid_register_function (vm, | ||
| fn_name, | ||
| keyword_str, | ||
| def_str, | ||
| param_str, | ||
| 128, //prefix len | ||
| &dpo_type, | ||
| clb_format_srv6_end_m_gtp4_d, | ||
| clb_unformat_srv6_end_m_gtp4_d, | ||
| clb_creation_srv6_end_m_gtp4_d, | ||
| clb_removal_srv6_end_m_gtp4_d); | ||
| if (rc < 0) | ||
| clib_error_return (0, "SRv6 Endpoint GTP4.D LocalSID function" | ||
| "couldn't be registered"); | ||
| return 0; | ||
| } | ||
|
|
||
| /* *INDENT-OFF* */ | ||
| VNET_FEATURE_INIT (srv6_end_m_gtp4_d, static) = | ||
| { | ||
| .arc_name = "ip4-unicast", | ||
| .node_name = "srv6-end-m-gtp4-d", | ||
| .runs_before = 0, | ||
| }; | ||
|
|
||
| VLIB_INIT_FUNCTION (srv6_end_m_gtp4_d_init); | ||
| /* *INDENT-ON* */ | ||
|
|
||
| /* | ||
| * fd.io coding-style-patch-verification: ON | ||
| * | ||
| * Local Variables: | ||
| * eval: (c-set-style "gnu") | ||
| * End: | ||
| */ |
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