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authorJohannes Berg <[email protected]>2024-10-09 08:59:14 +0200
committerJohannes Berg <[email protected]>2024-10-09 08:59:22 +0200
commita0efa2f362a69e47b9d8b48f770ef3a0249a7911 (patch)
tree384d2c79a9b613213ef7591583d820d18c7be9c3 /scripts/include/hash.h
parentdb03488897a70367aeafe82d07a78943d2a6068e (diff)
parent36efaca9cb28a893cad98f0448c39a8b698859e2 (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.h28
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 */