diff options
Diffstat (limited to 'src/dpdk_lib18/librte_sched/rte_sched_common.h')
-rwxr-xr-x | src/dpdk_lib18/librte_sched/rte_sched_common.h | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/src/dpdk_lib18/librte_sched/rte_sched_common.h b/src/dpdk_lib18/librte_sched/rte_sched_common.h deleted file mode 100755 index 8920adec..00000000 --- a/src/dpdk_lib18/librte_sched/rte_sched_common.h +++ /dev/null @@ -1,129 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef __INCLUDE_RTE_SCHED_COMMON_H__ -#define __INCLUDE_RTE_SCHED_COMMON_H__ - -#ifdef __cplusplus -extern "C" { -#endif - -#include <sys/types.h> - -#define __rte_aligned_16 __attribute__((__aligned__(16))) - -static inline uint32_t -rte_sched_min_val_2_u32(uint32_t x, uint32_t y) -{ - return (x < y)? x : y; -} - -#if 0 -static inline uint32_t -rte_min_pos_4_u16(uint16_t *x) -{ - uint32_t pos0, pos1; - - pos0 = (x[0] <= x[1])? 0 : 1; - pos1 = (x[2] <= x[3])? 2 : 3; - - return (x[pos0] <= x[pos1])? pos0 : pos1; -} - -#else - -/* simplified version to remove branches with CMOV instruction */ -static inline uint32_t -rte_min_pos_4_u16(uint16_t *x) -{ - uint32_t pos0 = 0; - uint32_t pos1 = 2; - - if (x[1] <= x[0]) pos0 = 1; - if (x[3] <= x[2]) pos1 = 3; - if (x[pos1] <= x[pos0]) pos0 = pos1; - - return pos0; -} - -#endif - -/* - * Compute the Greatest Common Divisor (GCD) of two numbers. - * This implementation uses Euclid's algorithm: - * gcd(a, 0) = a - * gcd(a, b) = gcd(b, a mod b) - * - */ -static inline uint32_t -rte_get_gcd(uint32_t a, uint32_t b) -{ - uint32_t c; - - if (a == 0) - return b; - if (b == 0) - return a; - - if (a < b) { - c = a; - a = b; - b = c; - } - - while (b != 0) { - c = a % b; - a = b; - b = c; - } - - return a; -} - -/* - * Compute the Lowest Common Denominator (LCD) of two numbers. - * This implementation computes GCD first: - * LCD(a, b) = (a * b) / GCD(a, b) - * - */ -static inline uint32_t -rte_get_lcd(uint32_t a, uint32_t b) -{ - return (a * b) / rte_get_gcd(a, b); -} - -#ifdef __cplusplus -} -#endif - -#endif /* __INCLUDE_RTE_SCHED_COMMON_H__ */ |