f-stack/dpdk/lib/librte_stack/rte_stack_lf.c

32 lines
676 B
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2019 Intel Corporation
*/
#include "rte_stack.h"
void
rte_stack_lf_init(struct rte_stack *s, unsigned int count)
{
struct rte_stack_lf_elem *elems = s->stack_lf.elems;
unsigned int i;
for (i = 0; i < count; i++)
__rte_stack_lf_push_elems(&s->stack_lf.free,
&elems[i], &elems[i], 1);
}
ssize_t
rte_stack_lf_get_memsize(unsigned int count)
{
ssize_t sz = sizeof(struct rte_stack);
sz += RTE_CACHE_LINE_ROUNDUP(count * sizeof(struct rte_stack_lf_elem));
/* Add padding to avoid false sharing conflicts caused by
* next-line hardware prefetchers.
*/
sz += 2 * RTE_CACHE_LINE_SIZE;
return sz;
}