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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
d8500c53 TG |
2 | #pragma once |
3 | ||
4fc8a29a | 4 | #include <linux/if_infiniband.h> |
d8500c53 | 5 | #include <net/ethernet.h> |
b553a6b1 | 6 | #include <stdbool.h> |
d8500c53 | 7 | |
583706ab YW |
8 | #include "hash-funcs.h" |
9 | ||
4fc8a29a TR |
10 | /* This is MAX_ADDR_LEN as defined in linux/netdevice.h, but net/if_arp.h |
11 | * defines a macro of the same name with a much lower size. */ | |
12 | #define HW_ADDR_MAX_SIZE 32 | |
13 | ||
14 | union hw_addr_union { | |
15 | struct ether_addr ether; | |
16 | uint8_t infiniband[INFINIBAND_ALEN]; | |
17 | uint8_t bytes[HW_ADDR_MAX_SIZE]; | |
18 | }; | |
19 | ||
20 | typedef struct hw_addr_data { | |
21 | union hw_addr_union addr; | |
22 | size_t length; | |
23 | } hw_addr_data; | |
24 | ||
25 | #define HW_ADDR_TO_STRING_MAX (3*HW_ADDR_MAX_SIZE) | |
26 | char* hw_addr_to_string(const hw_addr_data *addr, char buffer[HW_ADDR_TO_STRING_MAX]); | |
27 | ||
28 | /* Use only as function argument, never stand-alone! */ | |
29 | #define HW_ADDR_TO_STR(hw_addr) hw_addr_to_string((hw_addr), (char[HW_ADDR_TO_STRING_MAX]){}) | |
30 | ||
31 | #define HW_ADDR_NULL ((const hw_addr_data){}) | |
32 | ||
d8500c53 TG |
33 | #define ETHER_ADDR_FORMAT_STR "%02X%02X%02X%02X%02X%02X" |
34 | #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] | |
81a56d6f LP |
35 | |
36 | #define ETHER_ADDR_TO_STRING_MAX (3*6) | |
81a56d6f | 37 | char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR_TO_STRING_MAX]); |
b553a6b1 | 38 | |
7a08d314 | 39 | int ether_addr_compare(const struct ether_addr *a, const struct ether_addr *b); |
583706ab YW |
40 | static inline bool ether_addr_equal(const struct ether_addr *a, const struct ether_addr *b) { |
41 | return ether_addr_compare(a, b) == 0; | |
42 | } | |
6b0132e4 ZJS |
43 | |
44 | #define ETHER_ADDR_NULL ((const struct ether_addr){}) | |
45 | ||
46 | static inline bool ether_addr_is_null(const struct ether_addr *addr) { | |
47 | return ether_addr_equal(addr, ÐER_ADDR_NULL); | |
48 | } | |
dd4d201a | 49 | |
e5c1be89 | 50 | int ether_addr_from_string(const char *s, struct ether_addr *ret); |
583706ab YW |
51 | |
52 | extern const struct hash_ops ether_addr_hash_ops; |