diff options
Diffstat (limited to 'hicn-plugin/src/hicn.h')
| -rw-r--r-- | hicn-plugin/src/hicn.h | 58 |
1 files changed, 46 insertions, 12 deletions
diff --git a/hicn-plugin/src/hicn.h b/hicn-plugin/src/hicn.h index aaf16c917..22309e3e5 100644 --- a/hicn-plugin/src/hicn.h +++ b/hicn-plugin/src/hicn.h @@ -57,32 +57,44 @@ typedef u8 weight_t; #define VLIB_BUFFER_MIN_CHAIN_SEG_SIZE (128) #endif -/* vlib_buffer cloning utilities impose that current_lentgh is more that - * 2*CLIB_CACHE_LINE_BYTES. */ -/* This flag is used to mark packets whose lenght is less that - * 2*CLIB_CACHE_LINE_BYTES. */ -#define HICN_BUFFER_FLAGS_PKT_LESS_TWO_CL 0x02 -#define HICN_BUFFER_FLAGS_FROM_CS 0x10 - /* The following is stored in the opaque2 field in the vlib_buffer_t */ typedef struct { - /* hash of the name */ + /** + * Hash of the name (8) + */ u64 name_hash; - /* ids to prefetch a PIT/CS entry */ + /** + * 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; - u8 dpo_ctx_id; /* used for data path */ - u8 vft_id; /* " */ - hicn_face_id_t face_id; /* ingress iface, sizeof(u32) */ + /** + * 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) <= @@ -101,6 +113,28 @@ 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__ */ /* |