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Diffstat (limited to 'hicn-plugin/src/faces/dpo_face.h')
| -rw-r--r-- | hicn-plugin/src/faces/dpo_face.h | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/hicn-plugin/src/faces/dpo_face.h b/hicn-plugin/src/faces/dpo_face.h deleted file mode 100644 index 3bb99ecdb..000000000 --- a/hicn-plugin/src/faces/dpo_face.h +++ /dev/null @@ -1,329 +0,0 @@ -/* - * Copyright (c) 2017-2020 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 __HICN_DPO_H__ -#define __HICN_DPO_H__ - -#include <vnet/vnet.h> -#include <vnet/ip/ip4_packet.h> -#include <vnet/adj/adj_midchain.h> - -#include "face.h" -#include "../error.h" - -/** - * @brief Initialize the internal structures of the dpo ip face module. - */ -//void hicn_dpo_ip_module_init (void); - - -/** - * @brief Retrieve a vector of faces from the ip4 local address and returns its index. - * - * @param vec: Result of the lookup. If no face exists for the local address vec = NULL - * @param hicnb_flags: Flags that indicate whether the face is an application - * face or not - * @param local_addr: Ip v4 nat address of the face - * @param sw_if: software interface id of the face - * - * @result HICN_ERROR_FACE_NOT_FOUND if the face does not exist, otherwise HICN_ERROR_NONE. - */ -always_inline int -hicn_dpo_face_ip4_lock (hicn_face_id_t * face_id, - u32 * in_faces_vec_id, - u8 * hicnb_flags, - const ip4_address_t * nat_addr) -{ - ip46_address_t ip_address = {0}; - ip46_address_set_ip4(&ip_address, nat_addr); - hicn_face_input_faces_t *in_faces_vec = - hicn_face_get_vec (&ip_address, &hicn_face_vec_hashtb); - - if (PREDICT_FALSE (in_faces_vec == NULL)) - return HICN_ERROR_FACE_NOT_FOUND; - - *in_faces_vec_id = in_faces_vec->vec_id; - hicn_face_t *face = hicn_dpoi_get_from_idx (in_faces_vec->face_id); - - *hicnb_flags = HICN_BUFFER_FLAGS_DEFAULT; - *hicnb_flags |= - (face->flags & HICN_FACE_FLAGS_APPFACE_PROD) >> - HICN_FACE_FLAGS_APPFACE_PROD_BIT; - - *face_id = in_faces_vec->face_id; - - return HICN_ERROR_NONE; -} - -/** - * @brief Retrieve a face from the ip6 local address and returns its dpo. This - * method adds a lock on the face state. - * - * @param dpo: Result of the lookup. If the face doesn't exist dpo = NULL - * @param hicnb_flags: Flags that indicate whether the face is an application - * face or not - * @param nat_addr: Ip v6 nat address of the face - * @param sw_if: software interface id of the face - * - * @result HICN_ERROR_FACE_NOT_FOUND if the face does not exist, otherwise HICN_ERROR_NONE. - */ -always_inline int -hicn_dpo_face_ip6_lock (hicn_face_id_t * face_id, - u32 * in_faces_vec_id, - u8 * hicnb_flags, - const ip6_address_t * nat_addr) -{ - hicn_face_input_faces_t *in_faces_vec = - hicn_face_get_vec ((ip46_address_t *)nat_addr, &hicn_face_vec_hashtb); - - if (PREDICT_FALSE (in_faces_vec == NULL)) - return HICN_ERROR_FACE_NOT_FOUND; - - *in_faces_vec_id = in_faces_vec->vec_id; - hicn_face_t *face = hicn_dpoi_get_from_idx (in_faces_vec->face_id); - - *hicnb_flags = HICN_BUFFER_FLAGS_DEFAULT; - *hicnb_flags |= - (face->flags & HICN_FACE_FLAGS_APPFACE_PROD) >> - HICN_FACE_FLAGS_APPFACE_PROD_BIT; - - *face_id = in_faces_vec->face_id; - - return HICN_ERROR_NONE; -} - -/** - * @brief Call back to get the adj of the tunnel - */ -static adj_walk_rc_t -hicn4_iface_adj_walk_cb (adj_index_t ai, - void *ctx) -{ - - hicn_face_t *face = (hicn_face_t *)ctx; - - dpo_set(&face->dpo, DPO_ADJACENCY_MIDCHAIN, DPO_PROTO_IP4, ai); - adj_nbr_midchain_stack(ai, &face->dpo); - - return (ADJ_WALK_RC_CONTINUE); -} - -/** - * @brief Retrieve, or create if it doesn't exist, a face from the ip6 local - * address and returns its dpo. This method adds a lock on the face state. - * - * @param dpo: Result of the lookup - * @param hicnb_flags: Flags that indicate whether the face is an application - * face or not - * @param nat_addr: Ip v4 remote address of the face - * @param sw_if: software interface id of the face - * @param node_index: vlib edge index to use in the packet processing - */ -always_inline void -hicn_dpo_iface_ip4_add_and_lock (hicn_face_id_t * index, - u8 * hicnb_flags, - const ip4_address_t * nat_addr, - u32 sw_if, u32 adj_index, u32 node_index) -{ - /*All (complete) faces are indexed by remote addess as well */ - - ip46_address_t ip_address = {0}; - ip46_address_set_ip4(&ip_address, nat_addr); - - /* if the face exists, it adds a lock */ - hicn_face_t *face = - hicn_face_get (&ip_address, sw_if, &hicn_face_hashtb, adj_index); - - if (face == NULL) - { - hicn_face_id_t idx; - hicn_iface_add (&ip_address, sw_if, &idx, DPO_PROTO_IP4, adj_index); - - face = hicn_dpoi_get_from_idx(idx); - - face->dpo.dpoi_type = DPO_FIRST; - face->dpo.dpoi_proto = DPO_PROTO_IP4; - face->dpo.dpoi_index = adj_index; - face->dpo.dpoi_next_node = node_index; - - /* if (nat_addr->as_u32 == 0) */ - /* { */ - adj_nbr_walk(face->sw_if, - FIB_PROTOCOL_IP4, - hicn4_iface_adj_walk_cb, - face); - /* } */ - - *hicnb_flags = HICN_BUFFER_FLAGS_DEFAULT; - - *index = idx; - return; - } - else - { - /* unlock the face. We don't take a lock on each interest we receive */ - hicn_face_id_t face_id = hicn_dpoi_get_index(face); - hicn_face_unlock_with_id(face_id); - } - - /* Code replicated on purpose */ - *hicnb_flags = HICN_BUFFER_FLAGS_DEFAULT; - *hicnb_flags |= - (face->flags & HICN_FACE_FLAGS_APPFACE_PROD) >> - HICN_FACE_FLAGS_APPFACE_PROD_BIT; - - *index = hicn_dpoi_get_index (face); -} - -/** - * @brief Call back to get the adj of the tunnel - */ -static adj_walk_rc_t -hicn6_iface_adj_walk_cb (adj_index_t ai, - void *ctx) -{ - - hicn_face_t *face = (hicn_face_t *)ctx; - - ip_adjacency_t *adj = adj_get(ai); - if ((adj->lookup_next_index == IP_LOOKUP_NEXT_MIDCHAIN) || - (adj->lookup_next_index == IP_LOOKUP_NEXT_MCAST_MIDCHAIN)) - { - dpo_set(&face->dpo, DPO_ADJACENCY_MIDCHAIN, adj->ia_nh_proto, ai); - adj_nbr_midchain_stack(ai, &face->dpo); - } - - return (ADJ_WALK_RC_CONTINUE); -} - - -/** - * @brief Retrieve, or create if it doesn't exist, a face from the ip6 local - * address and returns its dpo. This method adds a lock on the face state. - * - * @param dpo: Result of the lookup - * @param hicnb_flags: Flags that indicate whether the face is an application - * face or not - * @param nat_addr: Ip v6 remote address of the face - * @param sw_if: software interface id of the face - * @param node_index: vlib edge index to use in the packet processing - */ -always_inline void -hicn_dpo_iface_ip6_add_and_lock (hicn_face_id_t * index, - u8 * hicnb_flags, - const ip6_address_t * nat_addr, - u32 sw_if, u32 adj_index, u32 node_index) -{ - /*All (complete) faces are indexed by remote addess as well */ - /* if the face exists, it adds a lock */ - hicn_face_t *face = - hicn_face_get ((ip46_address_t *)nat_addr, sw_if, &hicn_face_hashtb, adj_index); - - if (face == NULL) - { - hicn_face_id_t idx; - hicn_iface_add ((ip46_address_t *) nat_addr, sw_if, &idx, DPO_PROTO_IP6, adj_index); - - face = hicn_dpoi_get_from_idx(idx); - - face->dpo.dpoi_type = DPO_FIRST; - face->dpo.dpoi_proto = DPO_PROTO_IP6; - face->dpo.dpoi_index = adj_index; - face->dpo.dpoi_next_node = node_index; - - //if (ip46_address_is_zero((ip46_address_t *)nat_addr)) - // { - adj_nbr_walk(face->sw_if, - FIB_PROTOCOL_IP6, - hicn6_iface_adj_walk_cb, - face); - // } - - *hicnb_flags = HICN_BUFFER_FLAGS_DEFAULT; - - *index = idx; - - return; - } - else - { - /* unlock the face. We don't take a lock on each interest we receive */ - hicn_face_id_t face_id = hicn_dpoi_get_index(face); - hicn_face_unlock_with_id(face_id); - } - - /* Code replicated on purpose */ - *hicnb_flags = HICN_BUFFER_FLAGS_DEFAULT; - *hicnb_flags |= - (face->flags & HICN_FACE_FLAGS_APPFACE_PROD) >> - HICN_FACE_FLAGS_APPFACE_PROD_BIT; - - *index = hicn_dpoi_get_index (face); -} - - -/* /\** */ -/* * @brief Create an ip face and its corresponding dpo. Meant to be used for the */ -/* * control plane. */ -/* * */ -/* * @param dpo: Data plane object that point to the face created. */ -/* * @param local_addr: Ip v4 local address of the face */ -/* * @param remote_addr: Ip v4 remote address of the face */ -/* * @param sw_if: software interface id of the face */ -/* * @param adj: Ip adjacency corresponding to the remote address in the face */ -/* * @param node_index: vlib edge index to use in the packet processing */ -/* * @param flags: Flags of the face */ -/* * @param face_id: Identifier for the face (dpoi_index) */ -/* * @return HICN_ERROR_FACE_ALREADY_CREATED if the face exists, otherwise HICN_ERROR_NONE */ -/* *\/ */ -/* int hicn_dpo_ip4_create (dpo_id_t * dpo, */ -/* const ip4_address_t * local_addr, */ -/* const ip4_address_t * remote_addr, */ -/* u32 sw_if, */ -/* adj_index_t adj, */ -/* u32 node_index, */ -/* hicn_face_flags_t flags, hicn_face_id_t * face_id); */ - -/* /\** */ -/* * @brief Create an ip face and its corresponding dpo. Meant to be used for the */ -/* * control plane. */ -/* * */ -/* * @param dpo: Data plane object that point to the face created. */ -/* * @param local_addr: Ip v6 local address of the face */ -/* * @param remote_addr: Ip v6 remote address of the face */ -/* * @param sw_if: software interface id of the face */ -/* * @param adj: Ip adjacency corresponding to the remote address in the face */ -/* * @param node_index: vlib edge index to use in the packet processing */ -/* * @param flags: Flags of the face */ -/* * @param face_id: Identifier for the face (dpoi_index) */ -/* * @return HICN_ERROR_FACE_ALREADY_CREATED if the face exists, otherwise HICN_ERROR_NONE */ -/* *\/ */ -/* int hicn_dpo_ip6_create (dpo_id_t * dpo, */ -/* const ip6_address_t * local_addr, */ -/* const ip6_address_t * remote_addr, */ -/* u32 sw_if, */ -/* adj_index_t adj, */ -/* u32 node_index, */ -/* hicn_face_flags_t flags, hicn_face_id_t * face_id); */ - -#endif // __HICN_DPO_IP_H__ - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |