diff options
Diffstat (limited to 'src/plugins/memif')
| -rw-r--r-- | src/plugins/memif/memif.c | 35 |
1 files changed, 25 insertions, 10 deletions
diff --git a/src/plugins/memif/memif.c b/src/plugins/memif/memif.c index 05a7f83b3b1..c1bab0ba15f 100644 --- a/src/plugins/memif/memif.c +++ b/src/plugins/memif/memif.c @@ -344,11 +344,11 @@ clib_error_t * memif_init_regions_and_queues (memif_if_t * mif) { vlib_main_t *vm = vlib_get_main (); + memif_socket_file_t *msf; memif_ring_t *ring = NULL; - int i, j; + int fd, i, j; u64 buffer_offset; memif_region_t *r; - clib_mem_vm_alloc_t alloc = { 0 }; clib_error_t *err; ASSERT (vec_len (mif->regions) == 0); @@ -364,16 +364,31 @@ memif_init_regions_and_queues (memif_if_t * mif) r->region_size += mif->run.buffer_size * (1 << mif->run.log2_ring_size) * (mif->run.num_s2m_rings + mif->run.num_m2s_rings); - alloc.name = "memif region"; - alloc.size = r->region_size; - alloc.flags = CLIB_MEM_VM_F_SHARED; + if ((fd = clib_mem_vm_create_fd (CLIB_MEM_PAGE_SZ_DEFAULT, "%U region 0", + format_memif_device_name, + mif->dev_instance)) == -1) + { + err = clib_mem_get_last_error (); + goto error; + } - err = clib_mem_vm_ext_alloc (&alloc); - if (err) - goto error; + if ((ftruncate (fd, r->region_size)) == -1) + { + err = clib_error_return_unix (0, "ftruncate"); + goto error; + } + + msf = pool_elt_at_index (memif_main.socket_files, mif->socket_file_index); + r->shm = clib_mem_vm_map_shared (0, r->region_size, fd, 0, "memif%lu/%lu:0", + msf->socket_id, mif->id); + + if (r->shm == CLIB_MEM_VM_MAP_FAILED) + { + err = clib_error_return_unix (0, "memif shared region map failed"); + goto error; + } - r->fd = alloc.fd; - r->shm = alloc.addr; + r->fd = fd; if (mif->flags & MEMIF_IF_FLAG_ZERO_COPY) { |