X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_hash%2Frte_jhash.h;h=42c45685be63be7e31500b5dc105341d36dfdbba;hb=b4953225cea42bb4da370e012a6be41c54c80967;hp=e230449a939e21be66b18518f9ce8bb7eabc4685;hpb=ae19d71c80804bb5e7fd94df308268b132497294;p=dpdk.git diff --git a/lib/librte_hash/rte_jhash.h b/lib/librte_hash/rte_jhash.h index e230449a93..42c45685be 100644 --- a/lib/librte_hash/rte_jhash.h +++ b/lib/librte_hash/rte_jhash.h @@ -46,7 +46,9 @@ extern "C" { #include #include +#include +#include #include #include @@ -119,10 +121,10 @@ __rte_jhash_2hashes(const void *key, uint32_t length, uint32_t *pc, * If check_align is not set, first case will be used */ #if defined(RTE_ARCH_X86_64) || defined(RTE_ARCH_I686) || defined(RTE_ARCH_X86_X32) - const uint32_t *k = key; + const uint32_t *k = (const uint32_t *)key; const uint32_t s = 0; #else - const uint32_t *k = (uint32_t *)(uintptr_t)key & (uintptr_t)~3); + const uint32_t *k = (uint32_t *)((uintptr_t)key & (uintptr_t)~3); const uint32_t s = ((uintptr_t)key & 3) * CHAR_BIT; #endif if (!check_align || s == 0) { @@ -266,10 +268,10 @@ rte_jhash_2hashes(const void *key, uint32_t length, uint32_t *pc, uint32_t *pb) } /** - * Same as rte_jhash2, but takes two seeds and return two uint32_ts. + * Same as rte_jhash_32b, but takes two seeds and return two uint32_ts. * pc and pb must be non-null, and *pc and *pb must both be initialized * with seeds. If you pass in (*pb)=0, the output (*pc) will be - * the same as the return value from rte_jhash2. + * the same as the return value from rte_jhash_32b. * * @param k * Key to calculate hash of. @@ -289,7 +291,10 @@ rte_jhash_32b_2hashes(const uint32_t *k, uint32_t length, uint32_t *pc, uint32_t /** * The most generic version, hashes an arbitrary sequence * of bytes. No alignment or length assumptions are made about - * the input key. + * the input key. For keys not aligned to four byte boundaries + * or a multiple of four bytes in length, the memory region + * just after may be read (but not used in the computation). + * This may cross a page boundary. * * @param key * Key to calculate hash of. @@ -333,17 +338,6 @@ rte_jhash_32b(const uint32_t *k, uint32_t length, uint32_t initval) return initval; } -static inline uint32_t -__attribute__ ((deprecated)) -rte_jhash2(const uint32_t *k, uint32_t length, uint32_t initval) -{ - uint32_t initval2 = 0; - - rte_jhash_32b_2hashes(k, length, &initval, &initval2); - - return initval; -} - static inline uint32_t __rte_jhash_3words(uint32_t a, uint32_t b, uint32_t c, uint32_t initval) {