diff options
Diffstat (limited to 'src/plugins/dpdk/device')
| -rw-r--r-- | src/plugins/dpdk/device/init.c | 137 |
1 files changed, 25 insertions, 112 deletions
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c index c5c98ab3359..df1a823f6da 100644 --- a/src/plugins/dpdk/device/init.c +++ b/src/plugins/dpdk/device/init.c @@ -1137,15 +1137,13 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) dpdk_device_config_t *devconf; vlib_pci_addr_t pci_addr; unformat_input_t sub_input; - uword x; + uword default_hugepage_sz, x; u8 *s, *tmp = 0; u32 log_level; int ret, i; int num_whitelisted = 0; u8 no_pci = 0; u8 no_vmbus = 0; - u8 no_huge = 0; - u8 huge_dir = 0; u8 file_prefix = 0; u8 *socket_mem = 0; u8 *huge_dir_path = 0; @@ -1163,7 +1161,6 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) if (unformat (input, "no-hugetlb")) { vec_add1 (conf->eal_init_args, (u8 *) "--no-huge"); - no_huge = 1; } else if (unformat (input, "enable-tcp-udp-checksum")) @@ -1255,9 +1252,7 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) #define _(a) \ else if (unformat(input, #a " %s", &s)) \ { \ - if (!strncmp(#a, "huge-dir", 8)) \ - huge_dir = 1; \ - else if (!strncmp(#a, "file-prefix", 11)) \ + if (!strncmp(#a, "file-prefix", 11)) \ file_prefix = 1; \ tmp = format (0, "--%s%c", #a, 0); \ vec_add1 (conf->eal_init_args, tmp); \ @@ -1306,107 +1301,29 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) if (!conf->uio_driver_name) conf->uio_driver_name = format (0, "auto%c", 0); - /* - * Use 1G huge pages if available. - */ - if (!no_huge && !huge_dir) - { - u32 x, *mem_by_socket = 0; - uword c = 0; - int rv; - - umount ((char *) huge_dir_path); - - /* Process "socket-mem" parameter value */ - if (vec_len (socket_mem)) - { - unformat_input_t in; - unformat_init_vector (&in, socket_mem); - while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT) - { - if (unformat (&in, "%u,", &x)) - ; - else if (unformat (&in, "%u", &x)) - ; - else if (unformat (&in, ",")) - x = 0; - else - break; + default_hugepage_sz = clib_mem_get_default_hugepage_size (); - vec_add1 (mem_by_socket, x); - } - /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */ - unformat_free (&in); - socket_mem = 0; - } - else - { - /* *INDENT-OFF* */ - clib_bitmap_foreach (c, tm->cpu_socket_bitmap, ( - { - vec_validate(mem_by_socket, c); - mem_by_socket[c] = 64; /* default per-socket mem */ - } - )); - /* *INDENT-ON* */ - } - - uword default_hugepage_sz = clib_mem_get_default_hugepage_size (); - /* *INDENT-OFF* */ - clib_bitmap_foreach (c, tm->cpu_socket_bitmap, ( - { - clib_error_t *e; - uword n_pages; - vec_validate(mem_by_socket, c); - n_pages = round_pow2 ((uword) mem_by_socket[c]<<20, - default_hugepage_sz); - n_pages /= default_hugepage_sz; - - if ((e = clib_sysfs_prealloc_hugepages(c, 0, n_pages))) - clib_error_report (e); - })); - /* *INDENT-ON* */ - - if (mem_by_socket == 0) - { - error = clib_error_return (0, "mem_by_socket NULL"); - goto done; - } - _vec_len (mem_by_socket) = c + 1; - - /* regenerate socket_mem string */ - vec_foreach_index (x, mem_by_socket) - socket_mem = format (socket_mem, "%s%u", - socket_mem ? "," : "", mem_by_socket[x]); - socket_mem = format (socket_mem, "%c", 0); - - vec_free (mem_by_socket); - - error = vlib_unix_recursive_mkdir ((char *) huge_dir_path); - if (error) - { - goto done; - } - - rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL); - - if (rv) - { - error = clib_error_return (0, "mount failed %d", errno); - goto done; - } + /* *INDENT-OFF* */ + clib_bitmap_foreach (x, tm->cpu_socket_bitmap, ( + { + clib_error_t *e; + uword n_pages; + /* preallocate at least 16MB of hugepages per socket, + if more is needed it is up to consumer to preallocate more */ + n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz); + n_pages /= default_hugepage_sz; + + if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages))) + clib_error_report (e); + })); + /* *INDENT-ON* */ - tmp = format (0, "--huge-dir%c", 0); + if (!file_prefix) + { + tmp = format (0, "--file-prefix%c", 0); vec_add1 (conf->eal_init_args, tmp); - tmp = format (0, "%s%c", huge_dir_path, 0); + tmp = format (0, "vpp%c", 0); vec_add1 (conf->eal_init_args, tmp); - if (!file_prefix) - { - tmp = format (0, "--file-prefix%c", 0); - vec_add1 (conf->eal_init_args, tmp); - tmp = format (0, "vpp%c", 0); - vec_add1 (conf->eal_init_args, tmp); - } } if (error) @@ -1485,14 +1402,9 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) tmp = format (0, "%u%c", tm->main_lcore, 0); vec_add1 (conf->eal_init_args, tmp); - /* set socket-mem */ - if (!no_huge) - { - tmp = format (0, "--socket-mem%c", 0); - vec_add1 (conf->eal_init_args, tmp); - tmp = format (0, "%s%c", socket_mem, 0); - vec_add1 (conf->eal_init_args, tmp); - } + + if (socket_mem) + clib_warning ("socket-mem argument is deprecated"); /* NULL terminate the "argv" vector, in case of stupidity */ vec_add1 (conf->eal_init_args, 0); @@ -1860,6 +1772,7 @@ dpdk_init (vlib_main_t * vm) dm->conf->nchannels = 4; dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF; vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet"); + vec_add1 (dm->conf->eal_init_args, (u8 *) "--in-memory"); /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */ dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID | |