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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <netinet/in.h>
#include <linux/if_macsec.h>
#include "ether-addr-util.h"
#include "in-addr-util.h"
#include "netdev.h"
#include "networkd-util.h"
#include "sparse-endian.h"
/* See the definition of MACSEC_NUM_AN in kernel's drivers/net/macsec.c */
#define MACSEC_MAX_ASSOCIATION_NUMBER 4
typedef struct MACsec MACsec;
typedef union MACsecSCI {
uint64_t as_uint64;
struct {
struct ether_addr mac;
be16_t port;
} _packed_;
} MACsecSCI;
assert_cc(sizeof(MACsecSCI) == sizeof(uint64_t));
typedef struct SecurityAssociation {
uint8_t association_number;
uint32_t packet_number;
uint8_t key_id[MACSEC_KEYID_LEN];
uint8_t *key;
uint32_t key_len;
char *key_file;
int activate;
int use_for_encoding;
} SecurityAssociation;
typedef struct TransmitAssociation {
MACsec *macsec;
ConfigSection *section;
SecurityAssociation sa;
} TransmitAssociation;
typedef struct ReceiveAssociation {
MACsec *macsec;
ConfigSection *section;
MACsecSCI sci;
SecurityAssociation sa;
} ReceiveAssociation;
typedef struct ReceiveChannel {
MACsec *macsec;
ConfigSection *section;
MACsecSCI sci;
ReceiveAssociation *rxsa[MACSEC_MAX_ASSOCIATION_NUMBER];
unsigned n_rxsa;
} ReceiveChannel;
struct MACsec {
NetDev meta;
uint16_t port;
int encrypt;
uint8_t encoding_an;
OrderedHashmap *receive_channels;
OrderedHashmap *receive_channels_by_section;
OrderedHashmap *transmit_associations_by_section;
OrderedHashmap *receive_associations_by_section;
};
DEFINE_NETDEV_CAST(MACSEC, MACsec);
extern const NetDevVTable macsec_vtable;
CONFIG_PARSER_PROTOTYPE(config_parse_macsec_port);
CONFIG_PARSER_PROTOTYPE(config_parse_macsec_hw_address);
CONFIG_PARSER_PROTOTYPE(config_parse_macsec_packet_number);
CONFIG_PARSER_PROTOTYPE(config_parse_macsec_key_id);
CONFIG_PARSER_PROTOTYPE(config_parse_macsec_key);
CONFIG_PARSER_PROTOTYPE(config_parse_macsec_key_file);
CONFIG_PARSER_PROTOTYPE(config_parse_macsec_sa_activate);
CONFIG_PARSER_PROTOTYPE(config_parse_macsec_use_for_encoding);
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