diff options
Diffstat (limited to 'lib/includes/hicn/compat.h')
| -rw-r--r-- | lib/includes/hicn/compat.h | 84 |
1 files changed, 71 insertions, 13 deletions
diff --git a/lib/includes/hicn/compat.h b/lib/includes/hicn/compat.h index 486c82348..8de3f9d7e 100644 --- a/lib/includes/hicn/compat.h +++ b/lib/includes/hicn/compat.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2017-2019 Cisco and/or its affiliates. + * 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: @@ -35,14 +35,18 @@ #define HFO_INET 1 << 0 #define HFO_INET6 1 << 1 #define HFO_TCP 1 << 2 -#define HFO_ICMP 1 << 3 -#define HFO_AH 1 << 4 +#define HFO_UDP 1 << 3 +#define HFO_ICMP 1 << 4 +#define HFO_CMPR 1 << 5 +#define HFO_AH 1 << 6 #define _is_ipv4(format) ((format & HFO_INET)) #define _is_ipv6(format) ((format & HFO_INET6) >> 1) #define _is_tcp(format) ((format & HFO_TCP) >> 2) -#define _is_icmp(format) ((format & HFO_ICMP) >> 3) -#define _is_ah(format) ((format & HFO_AH) >> 4) +#define _is_udp(format) ((format & HFO_UDP) >> 3) +#define _is_icmp(format) ((format & HFO_ICMP) >> 4) +#define _is_cmpr(format) ((format & HFO_CMPR) >> 5) +#define _is_ah(format) ((format & HFO_AH) >> 6) typedef enum { @@ -51,13 +55,32 @@ typedef enum HF_INET6_TCP = HFO_INET6 | HFO_TCP, HF_INET_ICMP = HFO_INET | HFO_ICMP, HF_INET6_ICMP = HFO_INET6 | HFO_ICMP, + HF_NEW = HFO_CMPR, + HF_INET_UDP = HFO_INET | HFO_UDP | HFO_CMPR, + HF_INET6_UDP = HFO_INET6 | HFO_UDP | HFO_CMPR, HF_INET_TCP_AH = HFO_INET | HFO_TCP | HFO_AH, HF_INET6_TCP_AH = HFO_INET6 | HFO_TCP | HFO_AH, HF_INET_ICMP_AH = HFO_INET | HFO_ICMP | HFO_AH, HF_INET6_ICMP_AH = HFO_INET6 | HFO_ICMP | HFO_AH, + HF_NEW_AH = HFO_CMPR | HFO_AH, + HF_INET_UDP_AH = HFO_INET | HFO_UDP | HFO_CMPR | HFO_AH, + HF_INET6_UDP_AH = HFO_INET6 | HFO_UDP | HFO_CMPR | HFO_AH, } hicn_format_t; /** + * @brief Add AH header to current format. E.g. if format is IP + TCP, this + * will change it to IP = TCP + AH + * + * @param [in] format - The input format + * @return The format with the AH bit set to 1 + */ +static inline hicn_format_t +hicn_get_ah_format (hicn_format_t format) +{ + return (hicn_format_t) (format | HFO_AH); +} + +/** * Minimum required header length to determine the type and length of a * supposed hICN packet. This should be equal to the maximum value over all * possible hICN packet formats, and less than the minimum possible IP packet @@ -351,18 +374,49 @@ int hicn_packet_get_hoplimit (const hicn_header_t *packet, u8 *hops); */ int hicn_packet_set_hoplimit (hicn_header_t *packet, u8 hops); +/** + * @brief Check if this packet is interest + * + * @param format - hICN format + * @param packet - Packet header + * @return hICN error code + */ +int hicn_packet_is_interest (hicn_format_t format, const hicn_header_t *h, + int *ret); + +/** + * @brief Mark this packet as interest + * + * @param format - hICN format + * @param packet - Packet header + * @return hICN error code + */ +int hicn_packet_set_interest (hicn_format_t format, hicn_header_t *packet); + +/** + * @brief Mark this packet as data + * + * @param format - hICN format + * @param packet - Packet header + * @return hICN error code + */ +int hicn_packet_set_data (hicn_format_t format, hicn_header_t *h); + int hicn_packet_copy_header (hicn_format_t format, const hicn_header_t *packet, hicn_header_t *destination, bool copy_ah); -int hicn_packet_get_lifetime (const hicn_header_t *packet, u32 *lifetime); -int hicn_packet_set_lifetime (hicn_header_t *packet, u32 lifetime); +int hicn_packet_get_lifetime (hicn_format_t format, + const hicn_header_t *packet, u32 *lifetime); +int hicn_packet_set_lifetime (hicn_format_t format, hicn_header_t *packet, + u32 lifetime); int hicn_packet_get_reserved_bits (const hicn_header_t *packet, u8 *reserved_bits); int hicn_packet_set_reserved_bits (hicn_header_t *packet, const u8 reserved_bits); -int hicn_packet_get_payload_type (const hicn_header_t *packet, +int hicn_packet_get_payload_type (hicn_format_t format, + const hicn_header_t *packet, hicn_payload_type_t *payload_type); -int hicn_packet_set_payload_type (hicn_header_t *packet, +int hicn_packet_set_payload_type (hicn_format_t format, hicn_header_t *packet, const hicn_payload_type_t payload_type); int hicn_packet_set_syn (hicn_format_t format, hicn_header_t *packet); @@ -454,10 +508,14 @@ int hicn_data_get_payload_type (const hicn_header_t *data, int hicn_data_set_payload_type (hicn_header_t *data, hicn_payload_type_t payload_type); int hicn_data_reset_for_hash (hicn_format_t format, hicn_header_t *packet); -int hicn_packet_get_signature_gap (hicn_format_t format, - const hicn_header_t *h, uint8_t *bytes); -int hicn_packet_set_signature_gap (hicn_format_t format, hicn_header_t *h, - uint8_t bytes); +int hicn_data_is_last (hicn_format_t format, hicn_header_t *h, int *is_last); +int hicn_data_set_last (hicn_format_t format, hicn_header_t *h); + +int hicn_packet_get_signature_padding (hicn_format_t format, + const hicn_header_t *h, size_t *bytes); +int hicn_packet_set_signature_padding (hicn_format_t format, hicn_header_t *h, + size_t bytes); + #endif /* HICN_COMPAT_H */ /* |