diff options
author | Johannes Berg <[email protected]> | 2024-10-09 08:59:14 +0200 |
---|---|---|
committer | Johannes Berg <[email protected]> | 2024-10-09 08:59:22 +0200 |
commit | a0efa2f362a69e47b9d8b48f770ef3a0249a7911 (patch) | |
tree | 384d2c79a9b613213ef7591583d820d18c7be9c3 /scripts/include/hash.h | |
parent | db03488897a70367aeafe82d07a78943d2a6068e (diff) | |
parent | 36efaca9cb28a893cad98f0448c39a8b698859e2 (diff) |
Merge net-next/main to resolve conflicts
The wireless-next tree was based on something older, and there
are now conflicts between -rc2 and work here. Merge net-next,
which has enough of -rc2 for the conflicts to happen, resolving
them in the process.
Signed-off-by: Johannes Berg <[email protected]>
Diffstat (limited to 'scripts/include/hash.h')
-rw-r--r-- | scripts/include/hash.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/scripts/include/hash.h b/scripts/include/hash.h new file mode 100644 index 000000000000..efa904368a62 --- /dev/null +++ b/scripts/include/hash.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +#ifndef HASH_H +#define HASH_H + +static inline unsigned int hash_str(const char *s) +{ + /* fnv32 hash */ + unsigned int hash = 2166136261U; + + for (; *s; s++) + hash = (hash ^ *s) * 0x01000193; + return hash; +} + +/* simplified version of functions from include/linux/hash.h */ +#define GOLDEN_RATIO_32 0x61C88647 + +static inline unsigned int hash_32(unsigned int val) +{ + return 0x61C88647 * val; +} + +static inline unsigned int hash_ptr(const void *ptr) +{ + return hash_32((unsigned int)(unsigned long)ptr); +} + +#endif /* HASH_H */ |