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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
#include <linux/if_infiniband.h>
#include <net/ethernet.h>
#include <stdbool.h>
#include "hash-funcs.h"
/* This is MAX_ADDR_LEN as defined in linux/netdevice.h, but net/if_arp.h
* defines a macro of the same name with a much lower size. */
#define HW_ADDR_MAX_SIZE 32
union hw_addr_union {
struct ether_addr ether;
uint8_t infiniband[INFINIBAND_ALEN];
uint8_t bytes[HW_ADDR_MAX_SIZE];
};
typedef struct hw_addr_data {
union hw_addr_union addr;
size_t length;
} hw_addr_data;
#define HW_ADDR_TO_STRING_MAX (3*HW_ADDR_MAX_SIZE)
char* hw_addr_to_string(const hw_addr_data *addr, char buffer[HW_ADDR_TO_STRING_MAX]);
/* Use only as function argument, never stand-alone! */
#define HW_ADDR_TO_STR(hw_addr) hw_addr_to_string((hw_addr), (char[HW_ADDR_TO_STRING_MAX]){})
#define HW_ADDR_NULL ((const hw_addr_data){})
#define ETHER_ADDR_FORMAT_STR "%02X%02X%02X%02X%02X%02X"
#define ETHER_ADDR_FORMAT_VAL(x) (x).ether_addr_octet[0], (x).ether_addr_octet[1], (x).ether_addr_octet[2], (x).ether_addr_octet[3], (x).ether_addr_octet[4], (x).ether_addr_octet[5]
#define ETHER_ADDR_TO_STRING_MAX (3*6)
char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR_TO_STRING_MAX]);
int ether_addr_compare(const struct ether_addr *a, const struct ether_addr *b);
static inline bool ether_addr_equal(const struct ether_addr *a, const struct ether_addr *b) {
return ether_addr_compare(a, b) == 0;
}
#define ETHER_ADDR_NULL ((const struct ether_addr){})
static inline bool ether_addr_is_null(const struct ether_addr *addr) {
return ether_addr_equal(addr, ÐER_ADDR_NULL);
}
int ether_addr_from_string(const char *s, struct ether_addr *ret);
extern const struct hash_ops ether_addr_hash_ops;
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