+++ /dev/null
-/*
- *------------------------------------------------------------------
- * 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 <vnet/ip/ip4_packet.h>
-#include <vnet/ip/ip6_packet.h>
-#include <vnet/ip/format.h>
-#include <linux/virtio_net.h>
-#include <linux/vhost.h>
-#include <vnet/devices/virtio/virtio.h>
-#include <vnet/devices/virtio/tap.h>
-
-static clib_error_t *
-tap_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;
- tap_create_if_args_t args = { 0 };
- int ip_addr_set = 0;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return clib_error_return (0, "Missing name <interface>");
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "name %s", &args.name))
- ;
- else if (unformat (line_input, "host-ns %s", &args.host_namespace))
- ;
- else if (unformat (line_input, "host-bridge %s", &args.host_bridge))
- ;
- else if (unformat (line_input, "host-ip4-addr %U/%d",
- unformat_ip4_address, &args.host_ip4_addr,
- &args.host_ip4_prefix_len))
- ip_addr_set = 1;
- else if (unformat (line_input, "host-ip6-addr %U/%d",
- unformat_ip6_address, &args.host_ip6_addr,
- &args.host_ip6_prefix_len))
- ip_addr_set = 1;
- else if (unformat (line_input, "rx-ring-size %d", &args.rx_ring_sz))
- ;
- else if (unformat (line_input, "tx-ring-size %d", &args.tx_ring_sz))
- ;
- 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 (ip_addr_set && args.host_bridge)
- return clib_error_return (0, "Please specify either host ip address or "
- "host bridge");
-
- tap_create_if (vm, &args);
-
- vec_free (args.name);
- vec_free (args.host_namespace);
- vec_free (args.host_bridge);
-
- return args.error;
-
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (tap_create_command, static) = {
- .path = "create tap",
- .short_help = "create tap {name <if-name>} [hw-addr <mac-address>] "
- "[rx-ring-size <size>] [tx-ring-size <size>] [host-ns <netns>] "
- "[host-bridge <bridge-name>] [host-ip4-addr <ip4addr/mask>] "
- "[host-ip6-addr <ip6-addr]",
- .function = tap_create_command_fn,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-tap_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;
- u32 sw_if_index = ~0;
- vnet_main_t *vnm = vnet_get_main ();
- int rv;
-
- /* Get a line of input. */
- if (!unformat_user (input, unformat_line_input, line_input))
- return clib_error_return (0, "Missing <interface>");
-
- while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat (line_input, "sw_if_index %d", &sw_if_index))
- ;
- else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
- vnm, &sw_if_index))
- ;
- else
- return clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- }
- unformat_free (line_input);
-
- if (sw_if_index == ~0)
- return clib_error_return (0,
- "please specify interface name or sw_if_index");
-
- rv = tap_delete_if (vm, sw_if_index);
- if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
- return clib_error_return (0, "not a tap interface");
- else if (rv != 0)
- return clib_error_return (0, "error on deleting tap interface");
-
- return 0;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (tap_delete__command, static) =
-{
- .path = "delete tap",
- .short_help = "delete tap {<interface> | sw_if_index <sw_idx>}",
- .function = tap_delete_command_fn,
-};
-/* *INDENT-ON* */
-
-static clib_error_t *
-tap_show_command_fn (vlib_main_t * vm, unformat_input_t * input,
- vlib_cli_command_t * cmd)
-{
- virtio_main_t *mm = &virtio_main;
- virtio_if_t *vif;
- vnet_main_t *vnm = vnet_get_main ();
- int show_descr = 0;
- clib_error_t *error = 0;
- u32 hw_if_index, *hw_if_indices = 0;
- virtio_vring_t *vring;
- int i, j;
- struct feat_struct
- {
- u8 bit;
- char *str;
- };
- struct feat_struct *feat_entry;
-
- static struct feat_struct feat_array[] = {
-#define _(s,b) { .str = #s, .bit = b, },
- foreach_virtio_net_features
-#undef _
- {.str = NULL}
- };
-
- struct feat_struct *flag_entry;
- static struct feat_struct flags_array[] = {
-#define _(b,e,s) { .bit = b, .str = s, },
- foreach_virtio_if_flag
-#undef _
- {.str = NULL}
- };
-
- while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
- {
- if (unformat
- (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
- vec_add1 (hw_if_indices, hw_if_index);
- else if (unformat (input, "descriptors"))
- show_descr = 1;
- else
- {
- error = clib_error_return (0, "unknown input `%U'",
- format_unformat_error, input);
- goto done;
- }
- }
-
- if (vec_len (hw_if_indices) == 0)
- {
- /* *INDENT-OFF* */
- pool_foreach (vif, mm->interfaces,
- vec_add1 (hw_if_indices, vif->hw_if_index);
- );
- /* *INDENT-ON* */
- }
-
- for (hw_if_index = 0; hw_if_index < vec_len (hw_if_indices); hw_if_index++)
- {
- vnet_hw_interface_t *hi =
- vnet_get_hw_interface (vnm, hw_if_indices[hw_if_index]);
- vif = pool_elt_at_index (mm->interfaces, hi->dev_instance);
- vlib_cli_output (vm, "interface %U", format_vnet_sw_if_index_name,
- vnm, vif->sw_if_index);
- if (vif->name)
- vlib_cli_output (vm, " name \"%s\"", vif->name);
- if (vif->net_ns)
- vlib_cli_output (vm, " host-ns \"%s\"", vif->net_ns);
- vlib_cli_output (vm, " flags 0x%x", vif->flags);
- flag_entry = (struct feat_struct *) &flags_array;
- while (flag_entry->str)
- {
- if (vif->flags & (1ULL << flag_entry->bit))
- vlib_cli_output (vm, " %s (%d)", flag_entry->str,
- flag_entry->bit);
- flag_entry++;
- }
- vlib_cli_output (vm, " fd %d", vif->fd);
- vlib_cli_output (vm, " tap-fd %d", vif->tap_fd);
- vlib_cli_output (vm, " features 0x%lx", vif->features);
- feat_entry = (struct feat_struct *) &feat_array;
- while (feat_entry->str)
- {
- if (vif->features & (1ULL << feat_entry->bit))
- vlib_cli_output (vm, " %s (%d)", feat_entry->str,
- feat_entry->bit);
- feat_entry++;
- }
- vlib_cli_output (vm, " remote-features 0x%lx", vif->remote_features);
- feat_entry = (struct feat_struct *) &feat_array;
- while (feat_entry->str)
- {
- if (vif->remote_features & (1ULL << feat_entry->bit))
- vlib_cli_output (vm, " %s (%d)", feat_entry->str,
- feat_entry->bit);
- feat_entry++;
- }
- vec_foreach_index (i, vif->vrings)
- {
- // RX = 0, TX = 1
- vring = vec_elt_at_index (vif->vrings, i);
- vlib_cli_output (vm, " Virtqueue (%s)", (i & 1) ? "TX" : "RX");
- vlib_cli_output (vm, " qsz %d, last_used_idx %d, desc_in_use %d",
- vring->size, vring->last_used_idx,
- vring->desc_in_use);
- vlib_cli_output (vm,
- " avail.flags 0x%x avail.idx %d used.flags 0x%x used.idx %d",
- vring->avail->flags, vring->avail->idx,
- vring->used->flags, vring->used->idx);
- vlib_cli_output (vm, " kickfd %d, callfd %d", vring->kick_fd,
- vring->call_fd);
- if (show_descr)
- {
- vlib_cli_output (vm, "\n descriptor table:\n");
- vlib_cli_output (vm,
- " id addr len flags next user_addr\n");
- vlib_cli_output (vm,
- " ===== ================== ===== ====== ===== ==================\n");
- vring = vif->vrings;
- for (j = 0; j < vring->size; j++)
- {
- struct vring_desc *desc = &vring->desc[j];
- vlib_cli_output (vm,
- " %-5d 0x%016lx %-5d 0x%04x %-5d 0x%016lx\n",
- j, desc->addr,
- desc->len,
- desc->flags, desc->next, desc->addr);
- }
- }
- }
- }
-done:
- vec_free (hw_if_indices);
- return error;
-}
-
-/* *INDENT-OFF* */
-VLIB_CLI_COMMAND (tap_show_command, static) = {
- .path = "show tap",
- .short_help = "show tap {<interface>] [descriptors]",
- .function = tap_show_command_fn,
-};
-/* *INDENT-ON* */
-
-clib_error_t *
-tap_cli_init (vlib_main_t * vm)
-{
- return 0;
-}
-
-VLIB_INIT_FUNCTION (tap_cli_init);
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff