diff options
author | Ido Barnea <ibarnea@cisco.com> | 2015-12-09 05:07:44 +0200 |
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committer | Ido Barnea <ibarnea@cisco.com> | 2015-12-27 08:50:12 +0200 |
commit | 509648b87434b9032d38b8ca5ad470ba3edcc036 (patch) | |
tree | 920548ce9e2e5aeed4c88c1b288290505e7d7987 /src/dpdk_lib18/librte_eal/bsdapp/eal/eal_hugepage_info.c | |
parent | b161dc672544a913f7f1ddf3a086dd75f2f1134a (diff) |
Adding dpdk 2.2 instead of dpdk 1.8 and making changes to make compilation work.
40G and 10G filters do not work yet.
Diffstat (limited to 'src/dpdk_lib18/librte_eal/bsdapp/eal/eal_hugepage_info.c')
-rwxr-xr-x | src/dpdk_lib18/librte_eal/bsdapp/eal/eal_hugepage_info.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/src/dpdk_lib18/librte_eal/bsdapp/eal/eal_hugepage_info.c b/src/dpdk_lib18/librte_eal/bsdapp/eal/eal_hugepage_info.c deleted file mode 100755 index 24248fbc..00000000 --- a/src/dpdk_lib18/librte_eal/bsdapp/eal/eal_hugepage_info.c +++ /dev/null @@ -1,133 +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. - */ -#include <sys/types.h> -#include <sys/sysctl.h> -#include <sys/mman.h> -#include <string.h> - -#include <rte_log.h> -#include <fcntl.h> -#include "eal_hugepages.h" -#include "eal_internal_cfg.h" -#include "eal_filesystem.h" - -#define CONTIGMEM_DEV "/dev/contigmem" - -/* - * Uses mmap to create a shared memory area for storage of data - * Used in this file to store the hugepage file map on disk - */ -static void * -create_shared_memory(const char *filename, const size_t mem_size) -{ - void *retval; - int fd = open(filename, O_CREAT | O_RDWR, 0666); - if (fd < 0) - return NULL; - if (ftruncate(fd, mem_size) < 0) { - close(fd); - return NULL; - } - retval = mmap(NULL, mem_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); - close(fd); - return retval; -} - -/* - * No hugepage support on freebsd, but we dummy it, using contigmem driver - */ -int -eal_hugepage_info_init(void) -{ - size_t sysctl_size; - int buffer_size, num_buffers, fd, error; - /* re-use the linux "internal config" structure for our memory data */ - struct hugepage_info *hpi = &internal_config.hugepage_info[0]; - struct hugepage_info *tmp_hpi; - - sysctl_size = sizeof(num_buffers); - error = sysctlbyname("hw.contigmem.num_buffers", &num_buffers, - &sysctl_size, NULL, 0); - - if (error != 0) { - RTE_LOG(ERR, EAL, "could not read sysctl hw.contigmem.num_buffers"); - return -1; - } - - sysctl_size = sizeof(buffer_size); - error = sysctlbyname("hw.contigmem.buffer_size", &buffer_size, - &sysctl_size, NULL, 0); - - if (error != 0) { - RTE_LOG(ERR, EAL, "could not read sysctl hw.contigmem.buffer_size"); - return -1; - } - - fd = open(CONTIGMEM_DEV, O_RDWR); - if (fd < 0) { - RTE_LOG(ERR, EAL, "could not open "CONTIGMEM_DEV"\n"); - return -1; - } - - if (buffer_size >= 1<<30) - RTE_LOG(INFO, EAL, "Contigmem driver has %d buffers, each of size %dGB\n", - num_buffers, buffer_size>>30); - else if (buffer_size >= 1<<20) - RTE_LOG(INFO, EAL, "Contigmem driver has %d buffers, each of size %dMB\n", - num_buffers, buffer_size>>20); - else - RTE_LOG(INFO, EAL, "Contigmem driver has %d buffers, each of size %dKB\n", - num_buffers, buffer_size>>10); - - internal_config.num_hugepage_sizes = 1; - hpi->hugedir = CONTIGMEM_DEV; - hpi->hugepage_sz = buffer_size; - hpi->num_pages[0] = num_buffers; - hpi->lock_descriptor = fd; - - tmp_hpi = create_shared_memory(eal_hugepage_info_path(), - sizeof(struct hugepage_info)); - if (tmp_hpi == NULL ) { - RTE_LOG(ERR, EAL, "Failed to create shared memory!\n"); - return -1; - } - - memcpy(tmp_hpi, hpi, sizeof(struct hugepage_info)); - - if ( munmap(tmp_hpi, sizeof(struct hugepage_info)) < 0) { - RTE_LOG(ERR, EAL, "Failed to unmap shared memory!\n"); - return -1; - } - - return 0; -} |