dilim/systemd
1
0
Fork 0
mirror of https://github.com/systemd/systemd.git synced 2026-08-07 08:30:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

ether-addr-util: introduce hw_addr_hash_ops

Browse Source
This commit is contained in:
Yu Watanabe
2021-06-25 15:55:36 +09:00
parent 1e59122d45
commit 907d5ce4d4
2 changed files with 12 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
src/basic/ether-addr-util.c
View File

@@ -37,6 +37,16 @@ int hw_addr_compare(const struct hw_addr_data *a, const struct hw_addr_data *b)
return memcmp(a->bytes, b->bytes, a->length);
}
static void hw_addr_hash_func(const struct hw_addr_data *p, struct siphash *state) {
assert(p);
assert(state);
siphash24_compress(&p->length, sizeof(p->length), state);
siphash24_compress(p->bytes, p->length, state);
}
DEFINE_HASH_OPS(hw_addr_hash_ops, struct hw_addr_data, hw_addr_hash_func, hw_addr_compare);
char* ether_addr_to_string(const struct ether_addr *addr, char buffer[ETHER_ADDR_TO_STRING_MAX]) {
assert(addr);
assert(buffer);

2
src/basic/ether-addr-util.h
View File

@@ -36,6 +36,8 @@ static inline bool hw_addr_is_null(const struct hw_addr_data *addr) {
return hw_addr_equal(addr, &HW_ADDR_NULL);
}
extern const struct hash_ops hw_addr_hash_ops;
#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]