1 files changed, 87 insertions, 0 deletions
diff --git a/src/network/netdev/macsec.h b/src/network/netdev/macsec.h
new file mode 100644
index 0000000..4d88e49
--- /dev/null
+++ b/src/network/netdev/macsec.h
@@ -0,0 +1,87 @@
+/* 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;
+        NetworkConfigSection *section;
+
+        SecurityAssociation sa;
+} TransmitAssociation;
+
+typedef struct ReceiveAssociation {
+        MACsec *macsec;
+        NetworkConfigSection *section;
+
+        MACsecSCI sci;
+        SecurityAssociation sa;
+} ReceiveAssociation;
+
+typedef struct ReceiveChannel {
+        MACsec *macsec;
+        NetworkConfigSection *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);