/* * Copyright (c) 2015 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. */ /* * interface_cli.c: interface CLI * * Copyright (c) 2008 Eliot Dresselhaus * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include static int compare_interface_names (void *a1, void *a2) { u32 * hi1 = a1; u32 * hi2 = a2; return vnet_hw_interface_compare (vnet_get_main(), *hi1, *hi2); } static clib_error_t * show_or_clear_hw_interfaces (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { clib_error_t * error = 0; vnet_main_t * vnm = vnet_get_main(); vnet_interface_main_t * im = &vnm->interface_main; vnet_hw_interface_t * hi; u32 hw_if_index, * hw_if_indices = 0; int i, verbose = -1, is_show, show_bond = 0; is_show = strstr (cmd->path, "show") != 0; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { /* See if user wants to show a specific interface. */ if (unformat (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index)) vec_add1 (hw_if_indices, hw_if_index); /* See if user wants to show an interface with a specific hw_if_index. */ else if (unformat (input, "%u", &hw_if_index)) vec_add1 (hw_if_indices, hw_if_index); else if (unformat (input, "verbose")) verbose = 1; /* this is also the default */ else if (unformat (input, "detail")) verbose = 2; else if (unformat (input, "brief")) verbose = 0; else if (unformat (input, "bond")) { show_bond = 1; if (verbose < 0) verbose = 0; /* default to brief for link bonding */ } else { error = clib_error_return (0, "unknown input `%U'", format_unformat_error, input); goto done; } } /* Gather interfaces. */ if (vec_len (hw_if_indices) == 0) pool_foreach (hi, im->hw_interfaces, vec_add1 (hw_if_indices, hi - im->hw_interfaces)); if (verbose < 0) verbose = 1; /* default to verbose (except bond) */ if (is_show) { /* Sort by name. */ vec_sort_with_function (hw_if_indices, compare_interface_names); vlib_cli_output (vm, "%U\n", format_vnet_hw_interface, vnm, 0, verbose); for (i = 0; i < vec_len (hw_if_indices); i++) { hi = vnet_get_hw_interface (vnm, hw_if_indices[i]); if (show_bond == 0) /* show all interfaces */ vlib_cli_output (vm, "%U\n", format_vnet_hw_interface, vnm, hi, verbose); else if ((hi->bond_info) && (hi->bond_info != VNET_HW_INTERFACE_BOND_INFO_SLAVE)) { /* show only bonded interface and all its slave interfaces */ int hw_idx; vnet_hw_interface_t * shi; vlib_cli_output (vm, "%U\n", format_vnet_hw_interface, vnm, hi, verbose); clib_bitmap_foreach (hw_idx, hi->bond_info, ({ shi = vnet_get_hw_interface(vnm, hw_idx); vlib_cli_output (vm, "%U\n", format_vnet_hw_interface, vnm, shi, verbose); })); } } } else { for (i = 0; i < vec_len (hw_if_indices); i++) { vnet_device_class_t * dc; hi = vnet_get_hw_interface (vnm, hw_if_indices[i]); dc = vec_elt_at_index (im->device_classes, hi->dev_class_index); if (dc->clear_counters) dc->clear_counters (hi->dev_instance); } } done: vec_free (hw_if_indices); return error; } VLIB_CLI_COMMAND (show_hw_interfaces_command, static) = { .path = "show hardware-interfaces", .short_help = "show hardware-interfaces [brief|verbose|detail] [bond] [ ...]", .function = show_or_clear_hw_interfaces, }; VLIB_CLI_COMMAND (clear_hw_interface_counters_command, static) = { .path = "clear hardware-interfaces", .short_help = "Clear hardware interfaces statistics", .function = show_or_clear_hw_interfaces, }; static int sw_interface_name_compare (void *a1, void *a2) { vnet_sw_interface_t *si1 = a1; vnet_sw_interface_t *si2 = a2; return vnet_sw_interface_compare (vnet_get_main(), si1->sw_if_index, si2->sw_if_index); } static clib_error_t * show_sw_interfaces (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { clib_error_t * error = 0; vnet_main_t * vnm = vnet_get_main(); vnet_interface_main_t * im = &vnm->interface_main; vnet_sw_interface_t * si, * sorted_sis = 0; u8 show_addresses = 0; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { u32 sw_if_index; /* See if user wants to show specific interface */ if (unformat (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index)) { si = pool_elt_at_index (im->sw_interfaces, sw_if_index); vec_add1 (sorted_sis, si[0]); } else if (unformat (input, "address") || unformat (input, "addr")) show_addresses = 1; else { error = clib_error_return (0, "unknown input `%U'", format_unformat_error, input); goto done; } } if (!show_addresses) vlib_cli_output (vm, "%U\n", format_vnet_sw_interface, vnm, 0); if (vec_len (sorted_sis) == 0) /* Get all interfaces */ { /* Gather interfaces. */ sorted_sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces)); _vec_len (sorted_sis) = 0; pool_foreach (si, im->sw_interfaces, ({ vec_add1 (sorted_sis, si[0]); })); /* Sort by name. */ vec_sort_with_function (sorted_sis, sw_interface_name_compare); } if (show_addresses) { vec_foreach (si, sorted_sis) { l2input_main_t * l2m = &l2input_main; ip4_main_t * im4 = &ip4_main; ip6_main_t * im6 = &ip6_main; ip_lookup_main_t * lm4 = &im4->lookup_main; ip_lookup_main_t * lm6 = &im6->lookup_main; ip_interface_address_t * ia = 0; ip4_address_t * r4; ip6_address_t * r6; u32 fib_index4 = 0, fib_index6 = 0; ip4_fib_t * fib4; ip6_fib_t * fib6; l2_input_config_t * config; if (vec_len (im4->fib_index_by_sw_if_index) > si->sw_if_index) fib_index4 = vec_elt (im4->fib_index_by_sw_if_index, si->sw_if_index); if (vec_len (im6->fib_index_by_sw_if_index) > si->sw_if_index) fib_index6 = vec_elt (im6->fib_index_by_sw_if_index, si->sw_if_index); fib4 = vec_elt_at_index (im4->fibs, fib_index4); fib6 = vec_elt_at_index (im6->fibs, fib_index6); if (si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED) vlib_cli_output (vm, "%U (%s): \n unnumbered, use %U", format_vnet_sw_if_index_name, vnm, si->sw_if_index, (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? "up" : "dn", format_vnet_sw_if_index_name, vnm, si->unnumbered_sw_if_index); else { vlib_cli_output (vm, "%U (%s):", format_vnet_sw_if_index_name, vnm, si->sw_if_index, (si->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ? "up" : "dn"); } /* Display any L2 addressing info */ vec_validate(l2m->configs, si->sw_if_index); config = vec_elt_at_index(l2m->configs, si->sw_if_index); if (config->bridge) { u32 bd_id = l2input_main.bd_configs[config->bd_index].bd_id; vlib_cli_output (vm, " l2 bridge bd_id %d%s%d", bd_id, config->bvi ? " bvi shg " : " shg ", config->shg); } else if (config->xconnect) { vlib_cli_output (vm, " l2 xconnect %U", format_vnet_sw_if_index_name, vnm, config->output_sw_if_index); } /* Display any IP4 addressing info */ foreach_ip_interface_address (lm4, ia, si->sw_if_index, 1 /* honor unnumbered */, ({ r4 = ip_interface_address_get_address (lm4, ia); if (fib4->table_id) { vlib_cli_output (vm, " %U/%d table %d", format_ip4_address, r4, ia->address_length, fib4->table_id); } else { vlib_cli_output (vm, " %U/%d", format_ip4_address, r4, ia->address_length); } })); /* Display any IP6 addressing info */ foreach_ip_interface_address (lm6, ia, si->sw_if_index, 1 /* honor unnumbered */, ({ r6 = ip_interface_address_get_address (lm6, ia); if (fib6->table_id) { vlib_cli_output (vm, " %U/%d table %d", format_ip6_address, r6, ia->address_length, fib6->table_id); } else { vlib_cli_output (vm, " %U/%d", format_ip6_address, r6, ia->address_length); } })); } } else { vec_foreach (si, sorted_sis) { vlib_cli_output (vm, "%U\n", format_vnet_sw_interface, vnm, si); } } done: vec_free (sorted_sis); return error; } VLIB_CLI_COMMAND (show_sw_interfaces_command, static) = { .path = "show interfaces", .short_help = "show interfaces [address|addr] [ ...]", .function = show_sw_interfaces, }; /* Root of all interface commands. */ VLIB_CLI_COMMAND (vnet_cli_interface_command, static) = { .path = "interface", .short_help = "Interface commands", }; VLIB_CLI_COMMAND (vnet_cli_set_interface_command, static) = { .path = "set interface", .short_help = "Interface commands", }; static clib_error_t * clear_interface_counters (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t * vnm = vnet_get_main(); vnet_interface_main_t * im = &vnm->interface_main; vlib_simple_counter_main_t * sm; vlib_combined_counter_main_t * cm; static vnet_main_t ** my_vnet_mains; int i, j, n_counters; vec_reset_length (my_vnet_mains); for (i = 0; i < vec_len (vnet_mains); i++) { if (vnet_mains[i]) vec_add1 (my_vnet_mains, vnet_mains[i]); } if (vec_len (vnet_mains) == 0) vec_add1 (my_vnet_mains, vnm); n_counters = vec_len (im->combined_sw_if_counters); for (j = 0; j < n_counters; j++) { for (i = 0; i < vec_len(my_vnet_mains); i++) { im = &my_vnet_mains[i]->interface_main; cm = im->combined_sw_if_counters + j; vlib_clear_combined_counters (cm); } } n_counters = vec_len (im->sw_if_counters); for (j = 0; j < n_counters; j++) { for (i = 0; i < vec_len(my_vnet_mains); i++) { im = &my_vnet_mains[i]->interface_main; sm = im->sw_if_counters + j; vlib_clear_simple_counters (sm); } } return 0; } VLIB_CLI_COMMAND (clear_interface_counters_command, static) = { .path = "clear interfaces", .short_help = "Clear interfaces statistics", .function = clear_interface_counters, }; // The following subinterface syntax is supported. The first two are for // backwards compatability: // // // - a subinterface with the name .. The subinterface // is a single dot1q vlan with vlan id and exact-match semantics. // // - // - a set of the above subinterfaces, repeating for each id // in the range to // // In the following, exact-match semantics (i.e. the number of vlan tags on the // packet must match the number of tags in the configuration) are used only if // the keyword exact-match is present. Non-exact match is the default. // // dot1q [exact-match] // - a subinterface with the name .. The subinterface // is a single dot1q vlan with vlan id . // // dot1q any [exact-match] // - a subinterface with the name .. The subinterface // is a single dot1q vlan with any vlan id. // // dot1q inner-dot1q [exact-match] // - a subinterface with the name .. The subinterface // is a double dot1q vlan with outer vlan id and inner vlan id // . // // dot1q inner-dot1q any [exact-match] // - a subinterface with the name .. The subinterface // is a double dot1q vlan with outer vlan id and any inner vlan id. // // dot1q any inner-dot1q any [exact-match] // // - a subinterface with the name .. The subinterface // is a double dot1q vlan with any outer vlan id and any inner vlan id. // // For each of the above CLI, there is a duplicate that uses the keyword // "dot1ad" in place of the first "dot1q". These interfaces use ethertype // 0x88ad in place of 0x8100 for the outer ethertype. Note that for double- // tagged packets the inner ethertype is always 0x8100. Also note that // the dot1q and dot1ad naming spaces are independent, so it is legal to // have both "Gig3/0/0.1 dot1q 100" and "Gig3/0/0.2 dot1ad 100". For example: // // dot1ad inner-dot1q [exact-match] // - a subinterface with the name .. The subinterface // is a double dot1ad vlan with outer vlan id and inner vlan // id . // // untagged // - a subinterface with the name .. The subinterface // has no vlan tags. Only one can be specified per interface. // // default // - a subinterface with the name .. This is associated // with a packet that did not match any other configured subinterface // on this interface. Only one can be specified per interface. static clib_error_t * parse_vlan_sub_interfaces (unformat_input_t * input, vnet_sw_interface_t * template) { clib_error_t * error = 0; u32 inner_vlan, outer_vlan; if (unformat (input, "any inner-dot1q any")) { template->sub.eth.flags.two_tags = 1; template->sub.eth.flags.outer_vlan_id_any = 1; template->sub.eth.flags.inner_vlan_id_any = 1; } else if (unformat (input, "any")) { template->sub.eth.flags.one_tag = 1; template->sub.eth.flags.outer_vlan_id_any = 1; } else if (unformat (input, "%d inner-dot1q any", &outer_vlan)) { template->sub.eth.flags.two_tags = 1; template->sub.eth.flags.inner_vlan_id_any = 1; template->sub.eth.outer_vlan_id = outer_vlan; } else if (unformat (input, "%d inner-dot1q %d", &outer_vlan, &inner_vlan)) { template->sub.eth.flags.two_tags = 1; template->sub.eth.outer_vlan_id = outer_vlan; template->sub.eth.inner_vlan_id = inner_vlan; } else if (unformat (input, "%d", &outer_vlan)) { template->sub.eth.flags.one_tag = 1; template->sub.eth.outer_vlan_id = outer_vlan; } else { error = clib_error_return (0, "expected dot1q config, got `%U'", format_unformat_error, input); goto done; } if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "exact-match")) { template->sub.eth.flags.exact_match = 1; } } done: return error; } static clib_error_t * create_sub_interfaces (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t * vnm = vnet_get_main(); clib_error_t * error = 0; u32 hw_if_index, sw_if_index; vnet_hw_interface_t * hi; u32 id, id_min, id_max; vnet_sw_interface_t template; hw_if_index = ~0; if (! unformat_user (input, unformat_vnet_hw_interface, vnm, &hw_if_index)) { error = clib_error_return (0, "unknown interface `%U'", format_unformat_error, input); goto done; } memset (&template, 0, sizeof (template)); template.sub.eth.raw_flags = 0; if (unformat (input, "%d default", &id_min)) { id_max = id_min; template.sub.eth.flags.default_sub = 1; } else if (unformat (input, "%d untagged", &id_min)) { id_max = id_min; template.sub.eth.flags.no_tags = 1; template.sub.eth.flags.exact_match = 1; } else if (unformat (input, "%d dot1q", &id_min)) { // parse dot1q config id_max = id_min; error = parse_vlan_sub_interfaces(input, &template); if (error) goto done; } else if (unformat (input, "%d dot1ad", &id_min)) { // parse dot1ad config id_max = id_min; template.sub.eth.flags.dot1ad = 1; error = parse_vlan_sub_interfaces(input, &template); if (error) goto done; } else if (unformat (input, "%d-%d", &id_min, &id_max)) { template.sub.eth.flags.one_tag = 1; template.sub.eth.outer_vlan_id = id_min; template.sub.eth.flags.exact_match = 1; if (id_min > id_max) goto id_error; } else if (unformat (input, "%d", &id_min)) { id_max = id_min; template.sub.eth.flags.one_tag = 1; template.sub.eth.outer_vlan_id = id_min; template.sub.eth.flags.exact_match = 1; } else { id_error: error = clib_error_return (0, "expected ID or ID MIN-MAX, got `%U'", format_unformat_error, input); goto done; } /* if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { error = clib_error_return (0, "unexpected text `%U'", format_unformat_error, input); goto done; } */ hi = vnet_get_hw_interface (vnm, hw_if_index); if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE) { error = clib_error_return ( 0, "not allowed as %v belong to a BondEthernet interface", hi->name); goto done; } for (id = id_min; id <= id_max; id++) { uword * p; vnet_interface_main_t * im = &vnm->interface_main; u64 sup_and_sub_key = ((u64)(hi->sw_if_index) << 32) | (u64) id; u64 * kp; p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key); if (p) { if (CLIB_DEBUG > 0) clib_warning ("sup sw_if_index %d, sub id %d already exists\n", hi->sw_if_index, id); continue; } kp = clib_mem_alloc (sizeof (*kp)); *kp = sup_and_sub_key; template.type = VNET_SW_INTERFACE_TYPE_SUB; template.sup_sw_if_index = hi->sw_if_index; template.sub.id = id; error = vnet_create_sw_interface (vnm, &template, &sw_if_index); if (error) goto done; hash_set (hi->sub_interface_sw_if_index_by_id, id, sw_if_index); hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index); } if (error) goto done; done: return error; } VLIB_CLI_COMMAND (create_sub_interfaces_command, static) = { .path = "create sub-interface", .short_help = "create sub-interfaces [-] [dot1q|dot1ad|default|untagged]", .function = create_sub_interfaces, }; static clib_error_t * set_state (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t * vnm = vnet_get_main(); clib_error_t * error; u32 sw_if_index, flags; sw_if_index = ~0; if (! unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index)) { error = clib_error_return (0, "unknown interface `%U'", format_unformat_error, input); goto done; } if (! unformat (input, "%U", unformat_vnet_sw_interface_flags, &flags)) { error = clib_error_return (0, "unknown flags `%U'", format_unformat_error, input); goto done; } error = vnet_sw_interface_set_flags (vnm, sw_if_index, flags); if (error) goto done; done: return error; } VLIB_CLI_COMMAND (set_state_command, static) = { .path = "set interface state", .short_help = "Set interface state", .function = set_state, }; static clib_error_t * set_unnumbered (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t * vnm = vnet_get_main(); u32 unnumbered_sw_if_index; u32 inherit_from_sw_if_index; vnet_sw_interface_t * si; int is_set = 0; int is_del = 0; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "%U use %U", unformat_vnet_sw_interface, vnm, &unnumbered_sw_if_index, unformat_vnet_sw_interface, vnm, &inherit_from_sw_if_index)) is_set = 1; else if (unformat (input, "del %U", unformat_vnet_sw_interface, vnm, &unnumbered_sw_if_index)) is_del = 1; else { if (is_set || is_del) break; else return clib_error_return (0, "parse error '%U'", format_unformat_error, input); } } si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index); if (is_del) { si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED); si->unnumbered_sw_if_index = (u32)~0; } else { si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED; si->unnumbered_sw_if_index = inherit_from_sw_if_index; } return 0; } VLIB_CLI_COMMAND (set_unnumbered_command, static) = { .path = "set interface unnumbered", .short_help = "set interface unnumbered [ use ][del ]", .function = set_unnumbered, }; static clib_error_t * set_hw_class (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t * vnm = vnet_get_main(); vnet_interface_main_t * im = &vnm->interface_main; clib_error_t * error; u32 hw_if_index, hw_class_index; hw_if_index = ~0; if (! unformat_user (input, unformat_vnet_hw_interface, vnm, &hw_if_index)) { error = clib_error_return (0, "unknown hardware interface `%U'", format_unformat_error, input); goto done; } if (! unformat_user (input, unformat_hash_string, im->hw_interface_class_by_name, &hw_class_index)) { error = clib_error_return (0, "unknown hardware class `%U'", format_unformat_error, input); goto done; } error = vnet_hw_interface_set_class (vnm, hw_if_index, hw_class_index); if (error) goto done; done: return error; } VLIB_CLI_COMMAND (set_hw_class_command, static) = { .path = "set interface hw-class", .short_help = "Set interface hardware class", .function = set_hw_class, }; static clib_error_t * vnet_interface_cli_init (vlib_main_t * vm) { return 0; } VLIB_INIT_FUNCTION (vnet_interface_cli_init); static clib_error_t * renumber_interface_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { u32 hw_if_index; u32 new_dev_instance; vnet_main_t * vnm = vnet_get_main(); int rv; if (! unformat_user (input, unformat_vnet_hw_interface, vnm, &hw_if_index)) return clib_error_return (0, "unknown hardware interface `%U'", format_unformat_error, input); if (! unformat (input, "%d", &new_dev_instance)) return clib_error_return (0, "new dev instance missing"); rv = vnet_interface_name_renumber (hw_if_index, new_dev_instance); switch (rv) { case 0: break; default: return clib_error_return (0, "vnet_interface_name_renumber returned %d", rv); } return 0; } VLIB_CLI_COMMAND (renumber_interface_command, static) = { .path = "renumber interface", .short_help = "renumber interface ", .function = renumber_interface_command_fn, }; static clib_error_t * promiscuous_cmd (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t * vnm = vnet_get_main(); u32 hw_if_index; u32 flags = ETHERNET_INTERFACE_FLAG_ACCEPT_ALL; ethernet_main_t * em = ðernet_main; ethernet_interface_t * eif; if (unformat (input, "on %U", unformat_vnet_hw_interface, vnm, &hw_if_index)) ; else if (unformat (input, "off %U", unformat_ethernet_interface, vnm, &hw_if_index)) flags = 0; else return clib_error_return (0, "unknown input `%U'", format_unformat_error, input); eif = ethernet_get_interface (em, hw_if_index); if (!eif) return clib_error_return (0, "not supported"); ethernet_set_flags (vnm, hw_if_index, flags); return 0; } VLIB_CLI_COMMAND (set_interface_promiscuous_cmd, static) = { .path = "set interface promiscuous", .short_help = "set interface promiscuous [on | off] ", .function = promiscuous_cmd, }; static clib_error_t * mtu_cmd (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vnet_main_t * vnm = vnet_get_main(); u32 hw_if_index, mtu; u32 flags = ETHERNET_INTERFACE_FLAG_MTU; ethernet_main_t * em = ðernet_main; if (unformat (input, "%d %U", &mtu, unformat_vnet_hw_interface, vnm, &hw_if_index)) { vnet_hw_interface_t * hi = vnet_get_hw_interface (vnm, hw_if_index); ethernet_interface_t * eif = ethernet_get_interface (em, hw_if_index); if (!eif) return clib_error_return (0, "not supported"); if (mtu < ETHERNET_MIN_PACKET_BYTES) return clib_error_return (0, "Invalid mtu (%d): " "must be >= min pkt bytes (%d)", mtu, hi->min_packet_bytes); if (mtu > ETHERNET_MAX_PACKET_BYTES) return clib_error_return (0, "Invalid mtu (%d): must be <= 9216", mtu); if (hi->max_packet_bytes != mtu) { hi->max_packet_bytes = mtu; ethernet_set_flags (vnm, hw_if_index, flags); } } else return clib_error_return (0, "unknown input `%U'", format_unformat_error, input); return 0; } VLIB_CLI_COMMAND (set_interface_mtu_cmd, static) = { .path = "set interface mtu", .short_help = "set interface mtu <64-9216> ", .function = mtu_cmd, };