diff options
Diffstat (limited to 'src/plugins/memif/cli.c')
| -rw-r--r-- | src/plugins/memif/cli.c | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/src/plugins/memif/cli.c b/src/plugins/memif/cli.c new file mode 100644 index 00000000000..ef73693b35d --- /dev/null +++ b/src/plugins/memif/cli.c @@ -0,0 +1,202 @@ +/* + *------------------------------------------------------------------ + * Copyright (c) 2016 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + *------------------------------------------------------------------ + */ +#include <stdint.h> +#include <net/if.h> +#include <sys/ioctl.h> +#include <inttypes.h> + +#include <vlib/vlib.h> +#include <vlib/unix/unix.h> +#include <vnet/ethernet/ethernet.h> + +#include <memif/memif.h> + +static clib_error_t * +memif_create_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + int r; + u32 ring_size = MEMIF_DEFAULT_RING_SIZE; + memif_create_if_args_t args = { 0 }; + args.buffer_size = MEMIF_DEFAULT_BUFFER_SIZE; + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return 0; + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "key 0x%" PRIx64, &args.key)) + ; + else if (unformat (line_input, "socket %s", &args.socket_filename)) + ; + else if (unformat (line_input, "ring-size %u", &ring_size)) + ; + else if (unformat (line_input, "buffer-size %u", &args.buffer_size)) + ; + else if (unformat (line_input, "master")) + args.is_master = 1; + else if (unformat (line_input, "slave")) + args.is_master = 0; + else if (unformat (line_input, "hw-addr %U", + unformat_ethernet_address, args.hw_addr)) + args.hw_addr_set = 1; + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + } + unformat_free (line_input); + + if (!is_pow2 (ring_size)) + return clib_error_return (0, "ring size must be power of 2"); + + args.log2_ring_size = min_log2 (ring_size); + + r = memif_create_if (vm, &args); + + if (r <= VNET_API_ERROR_SYSCALL_ERROR_1 + && r >= VNET_API_ERROR_SYSCALL_ERROR_10) + return clib_error_return (0, "%s (errno %d)", strerror (errno), errno); + + if (r == VNET_API_ERROR_INVALID_INTERFACE) + return clib_error_return (0, "Invalid interface name"); + + if (r == VNET_API_ERROR_SUBIF_ALREADY_EXISTS) + return clib_error_return (0, "Interface already exists"); + + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (memif_create_command, static) = { + .path = "create memif", + .short_help = "create memif [key <key>] [socket <path>] " + "[ring-size <size>] [buffer-size <size>] [hw-addr <mac-address>] " + "<master|slave>", + .function = memif_create_command_fn, +}; +/* *INDENT-ON* */ + +static clib_error_t * +memif_delete_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + u64 key = 0; + u8 key_defined = 0; + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return 0; + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "key 0x%" PRIx64, &key)) + key_defined = 1; + else + return clib_error_return (0, "unknown input `%U'", + format_unformat_error, input); + } + unformat_free (line_input); + + if (!key_defined) + return clib_error_return (0, "missing key"); + + memif_delete_if (vm, key); + + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (memif_delete_command, static) = { + .path = "delete memif", + .short_help = "delete memif key <key-value>", + .function = memif_delete_command_fn, +}; +/* *INDENT-ON* */ + +static clib_error_t * +memif_show_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + memif_main_t *mm = &memif_main; + memif_if_t *mif; + vnet_main_t *vnm = vnet_get_main (); + int i; + + /* *INDENT-OFF* */ + pool_foreach (mif, mm->interfaces, + ({ + vlib_cli_output (vm, "interface %U", format_vnet_sw_if_index_name, + vnm, mif->sw_if_index); + vlib_cli_output (vm, " key 0x%" PRIx64 " file %s", mif->key, + mif->socket_filename); + vlib_cli_output (vm, " listener %d conn-fd %d int-fd %d", mif->listener_index, + mif->connection.fd, mif->interrupt_line.fd); + vlib_cli_output (vm, " ring-size %u num-c2s-rings %u num-s2c-rings %u buffer_size %u", + (1 << mif->log2_ring_size), + mif->num_s2m_rings, + mif->num_m2s_rings, + mif->buffer_size); + for (i=0; i < mif->num_s2m_rings; i++) + { + memif_ring_t * ring = memif_get_ring (mif, MEMIF_RING_S2M, i); + if (ring) + { + vlib_cli_output (vm, " slave-to-master ring %u:", i); + vlib_cli_output (vm, " head %u tail %u", ring->head, ring->tail); + } + } + for (i=0; i < mif->num_m2s_rings; i++) + { + memif_ring_t * ring = memif_get_ring (mif, MEMIF_RING_M2S, i); + if (ring) + { + vlib_cli_output (vm, " master-to-slave ring %u:", i); + vlib_cli_output (vm, " head %u tail %u", ring->head, ring->tail); + } + } + })); + /* *INDENT-ON* */ + + return 0; +} + +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (memif_show_command, static) = { + .path = "show memif", + .short_help = "show memif", + .function = memif_show_command_fn, +}; +/* *INDENT-ON* */ + +clib_error_t * +memif_cli_init (vlib_main_t * vm) +{ + return 0; +} + +VLIB_INIT_FUNCTION (memif_cli_init); + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |