/* * Copyright (c) 2021 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_H__ #define __HICN_H__ #define ip_address_t hicn_ip_address_t #define ip_address_cmp hicn_ip_address_cmp #define ip_prefix_t hicn_ip_prefix_t #define ip_prefix_cmp hicn_ip_prefix_cmp #undef ip_prefix_len #define ip_prefix_len hicn_ip_prefix_len #include #undef ip_address_t #undef ip_address_cmp #undef ip_prefix_t #undef ip_prefix_cmp #undef ip_prefix_len #define ip_prefix_len(_a) (_a)->len #include "faces/face.h" #include #include #include #include #include #include /** * @file */ /* * Update CMakeLists.txt as we have to manually replace the type for * vppapigen */ typedef u8 weight_t; #define ISV6(isv6, dov6, dov4) isv6 ? dov6 : dov4 #define HICN_IS_NAMEHASH_CACHED(b) \ (((u64) (b->opaque2)[0] != 0) || ((u64) (b->opaque2)[1] != 0)) #ifndef VLIB_BUFFER_MIN_CHAIN_SEG_SIZE #define VLIB_BUFFER_MIN_CHAIN_SEG_SIZE (128) #endif /* The following is stored in the opaque2 field in the vlib_buffer_t */ typedef struct { /** * Hash of the name (8) */ u64 name_hash; /** * IDs to prefetch a PIT/CS entry (4+4+1+1) */ u32 node_id; u32 bucket_id; u8 hash_entry_id; u8 hash_bucket_flags; /** * hICN buffer flags (1) */ u8 flags; /** * used for data path (1+1) */ u8 dpo_ctx_id; u8 vft_id; /** * Ingress face (4) */ hicn_face_id_t face_id; /** * Cached packet info */ hicn_type_t type; hicn_name_t name; u16 port; } hicn_buffer_t; STATIC_ASSERT (sizeof (hicn_buffer_t) <= STRUCT_SIZE_OF (vlib_buffer_t, opaque2), "hICN buffer opaque2 meta-data too large for vlib_buffer"); always_inline hicn_buffer_t * hicn_get_buffer (vlib_buffer_t *b0) { return (hicn_buffer_t *) &(b0->opaque2[0]); } always_inline u8 hicn_is_v6 (hicn_header_t *pkt_hdr) { return ((pkt_hdr->v4.ip.version_ihl >> 4) != 4); } always_inline void hicn_buffer_get_name_and_namelen (vlib_buffer_t *b0, u8 **nameptr, u16 *namelen) { *nameptr = (u8 *) (&hicn_get_buffer (b0)->name); *namelen = ip_address_is_v4 (&hicn_get_buffer (b0)->name.prefix) ? HICN_V4_NAME_LEN : HICN_V6_NAME_LEN; } always_inline u8 hicn_buffer_is_v6 (vlib_buffer_t *b0) { return hicn_get_buffer (b0)->type.l1 == IPPROTO_IPV6; } always_inline void hicn_buffer_set_flags (vlib_buffer_t *b, u8 flags) { hicn_buffer_t *hb = hicn_get_buffer (b); hb->flags |= flags; } #endif /* __HICN_H__ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: eval: (c-set-style "gnu") End: */