#ifndef HASH_H #define HASH_H /* Hash table implementation from the GIT project. */ /* Copyright 2008 (C) Linus Torvalds, GPL version 2 */ /* * These are some simple generic hash table helper functions. * Not necessarily suitable for all users, but good for things * where you want to just keep track of a list of things, and * have a good hash to use on them. * * It keeps the hash table at roughly 50-75% free, so the memory * cost of the hash table itself is roughly * * 3 * 2*sizeof(void *) * nr_of_objects * * bytes. * * FIXME: on 64-bit architectures, we waste memory. It would be * good to have just 32-bit pointers, requiring a special allocator * for hashed entries or something. */ #include #define alloc_nr(x) (((x) + 16) * 3 / 2) #define INSERT_HASH_PROTOS(ops, table) \ do { \ void **pos = insert_hash((ops).key, &(ops), &(table)); \ /* We already had an entry there? */ \ if (pos) { \ (ops).next = *pos; \ *pos = &(ops); \ } \ } while (0) struct hash_table_entry { unsigned int hash; void *ptr; }; struct hash_table { unsigned int size, nr; struct hash_table_entry *array; }; extern void *lookup_hash(unsigned int hash, const struct hash_table *table); extern void **insert_hash(unsigned int hash, void *ptr, struct hash_table *table); extern void *remove_hash(unsigned int hash, void *ptr, void *ptr_next, struct hash_table *table); extern int for_each_hash(const struct hash_table *table, int (*fn)(void *)); extern int for_each_hash_int(const struct hash_table *table, int (*fn)(void *, int), int arg); extern void free_hash(struct hash_table *table); static inline void init_hash(struct hash_table *table) { table->size = 0; table->nr = 0; table->array = NULL; } static inline unsigned char icase_hash(unsigned char c) { return c & ~((c & 0x40) >> 1); } static inline unsigned int hash_name(const char *name, int namelen) { unsigned int hash = 0x123; do { unsigned char c = *name++; c = icase_hash(c); hash = hash * 101 + c; } while (--namelen); return hash; } #endif /* HASH_H */ ef='/cgit.cgi/linux/net-next.git/diff/drivers?h=nds-private-remove&id=52db8d2d8757535731db500ed68289f35ee36d61'>diff
path: root/drivers
diff options
context:
space:
mode:
authorTobias Klauser <tklauser@distanz.ch>2016-10-20 16:10:49 +0200
committerTobias Klauser <tklauser@distanz.ch>2017-02-15 10:34:18 +0100
commit52db8d2d8757535731db500ed68289f35ee36d61 (patch)
treea932624bd0512b2ad6db0aa45ea2fd50d9023139 /drivers
parentbab6b1d8c4bd8f85f607f8663a8e2abd0986b086 (diff)
net: macb: Use net_device_stats from struct net_device
Instead of using a private copy of struct net_device_stats in struct macb, use stats from struct net_device. Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Diffstat (limited to 'drivers')