/* * 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 #include static clib_error_t * lb_vip_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; ip46_address_t prefix; u8 plen; u32 new_len = 1024; u8 del = 0; int ret; u32 encap = 0; u32 dscp = ~0; lb_vip_type_t type = 0; clib_error_t *error = 0; if (!unformat_user (input, unformat_line_input, line_input)) return 0; if (!unformat(line_input, "%U", unformat_ip46_prefix, &prefix, &plen, IP46_TYPE_ANY)) { error = clib_error_return (0, "invalid vip prefix: '%U'", format_unformat_error, line_input); goto done; } while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat(line_input, "new_len %d", &new_len)) ; else if (unformat(line_input, "del")) del = 1; else if (unformat(line_input, "encap gre4")) encap = LB_ENCAP_TYPE_GRE4; else if (unformat(line_input, "encap gre6")) encap = LB_ENCAP_TYPE_GRE6; else if (unformat(line_input, "encap l3dsr")) encap = LB_ENCAP_TYPE_L3DSR; else if (unformat(line_input, "dscp %d", &dscp)) ; else { error = clib_error_return (0, "parse error: '%U'", format_unformat_error, line_input); goto done; } } if ((encap != LB_ENCAP_TYPE_L3DSR) && (dscp != ~0) ) { error = clib_error_return (0, "lb_vip_add error: " "should not configure dscp for none L3DSR."); goto done; } if ((encap == LB_ENCAP_TYPE_L3DSR) && (dscp >= 64 ) ) { error = clib_error_return (0, "lb_vip_add error: " "dscp for L3DSR should be less than 64."); goto done; } if (ip46_prefix_is_ip4(&prefix, plen)) { if (encap == LB_ENCAP_TYPE_GRE4) type = LB_VIP_TYPE_IP4_GRE4; else if (encap == LB_ENCAP_TYPE_GRE6) type = LB_VIP_TYPE_IP4_GRE6; else if (encap == LB_ENCAP_TYPE_L3DSR) type = LB_VIP_TYPE_IP4_L3DSR; } else { if (encap == LB_ENCAP_TYPE_GRE4) type = LB_VIP_TYPE_IP6_GRE4; else if (encap == LB_ENCAP_TYPE_GRE6) type = LB_VIP_TYPE_IP6_GRE6; } lb_garbage_collection(); u32 index; if (!del) { if ((ret = lb_vip_add(&prefix, plen, type, (u8)(dscp & 0x3F), new_len, &index))) { error = clib_error_return (0, "lb_vip_add error %d", ret); goto done; } else { vlib_cli_output(vm, "lb_vip_add ok %d", index); } } else { if ((ret = lb_vip_find_index(&prefix, plen, &index))) { error = clib_error_return (0, "lb_vip_find_index error %d", ret); goto done; } else if ((ret = lb_vip_del(index))) { error = clib_error_return (0, "lb_vip_del error %d", ret); goto done; } } done: unformat_free (line_input); return error; } VLIB_CLI_COMMAND (lb_vip_command, static) = { .path = "lb vip", .short_help = "lb vip [encap (gre6|gre4|l3dsr)] [dscp ] [new_len ] [del]", .function = lb_vip_command_fn, }; static clib_error_t * lb_as_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; ip46_address_t vip_prefix, as_addr; u8 vip_plen; ip46_address_t *as_array = 0; u32 vip_index; u8 del = 0; int ret; clib_error_t *error = 0; if (!unformat_user (input, unformat_line_input, line_input)) return 0; if (!unformat(line_input, "%U", unformat_ip46_prefix, &vip_prefix, &vip_plen, IP46_TYPE_ANY)) { error = clib_error_return (0, "invalid as address: '%U'", format_unformat_error, line_input); goto done; } if ((ret = lb_vip_find_index(&vip_prefix, vip_plen, &vip_index))) { error = clib_error_return (0, "lb_vip_find_index error %d", ret); goto done; } while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat(line_input, "%U", unformat_ip46_address, &as_addr, IP46_TYPE_ANY)) { vec_add1(as_array, as_addr); } else if (unformat(line_input, "del")) { del = 1; } else { error = clib_error_return (0, "parse error: '%U'", format_unformat_error, line_input); goto done; } } if (!vec_len(as_array)) { error = clib_error_return (0, "No AS address provided"); goto done; } lb_garbage_collection(); clib_warning("vip index is %d", vip_index); if (del) { if ((ret = lb_vip_del_ass(vip_index, as_array, vec_len(as_array)))) { error = clib_error_return (0, "lb_vip_del_ass error %d", ret); goto done; } } else { if ((ret = lb_vip_add_ass(vip_index, as_array, vec_len(as_array)))) { error = clib_error_return (0, "lb_vip_add_ass error %d", ret); goto done; } } done: unformat_free (line_input); vec_free(as_array); return error; } VLIB_CLI_COMMAND (lb_as_command, static) = { .path = "lb as", .short_help = "lb as [
[
[...]]] [del]", .function = lb_as_command_fn, }; static clib_error_t * lb_conf_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { lb_main_t *lbm = &lb_main; unformat_input_t _line_input, *line_input = &_line_input; ip4_address_t ip4 = lbm->ip4_src_address; ip6_address_t ip6 = lbm->ip6_src_address; u32 per_cpu_sticky_buckets = lbm->per_cpu_sticky_buckets; u32 per_cpu_sticky_buckets_log2 = 0; u32 flow_timeout = lbm->flow_timeout; int ret; clib_error_t *error = 0; 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, "ip4-src-address %U", unformat_ip4_address, &ip4)) ; else if (unformat(line_input, "ip6-src-address %U", unformat_ip6_address, &ip6)) ; else if (unformat(line_input, "buckets %d", &per_cpu_sticky_buckets)) ; else if (unformat(line_input, "buckets-log2 %d", &per_cpu_sticky_buckets_log2)) { if (per_cpu_sticky_buckets_log2 >= 32) return clib_error_return (0, "buckets-log2 value is too high"); per_cpu_sticky_buckets = 1 << per_cpu_sticky_buckets_log2; } else if (unformat(line_input, "timeout %d", &flow_timeout)) ; else { error = clib_error_return (0, "parse error: '%U'", format_unformat_error, line_input); goto done; } } lb_garbage_collection(); if ((ret = lb_conf(&ip4, &ip6, per_cpu_sticky_buckets, flow_timeout))) { error = clib_error_return (0, "lb_conf error %d", ret); goto done; } done: unformat_free (line_input); return error; } VLIB_CLI_COMMAND (lb_conf_command, static) = { .path = "lb conf", .short_help = "lb conf [ip4-src-address ] [ip6-src-address ] [buckets ] [timeout ]", .function = lb_conf_command_fn, }; static clib_error_t * lb_show_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { vlib_cli_output(vm, "%U", format_lb_main); return NULL; } VLIB_CLI_COMMAND (lb_show_command, static) = { .path = "show lb", .short_help = "show lb", .function = lb_show_command_fn, }; static clib_error_t * lb_show_vips_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t line_input; lb_main_t *lbm = &lb_main; lb_vip_t *vip; u8 verbose = 0; if (!unformat_user (input, unformat_line_input, &line_input)) return 0; if (unformat(&line_input, "verbose")) verbose = 1; pool_foreach(vip, lbm->vips, { vlib_cli_output(vm, "%U\n", verbose?format_lb_vip_detailed:format_lb_vip, vip); }); unformat_free (&line_input); return NULL; } VLIB_CLI_COMMAND (lb_show_vips_command, static) = { .path = "show lb vips", .short_help = "show lb vips [verbose]", .function = lb_show_vips_command_fn, }; static clib_error_t * lb_flowtable_flush_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { u32 thread_index; vlib_thread_main_t *tm = vlib_get_thread_main(); lb_main_t *lbm = &lb_main; for(thread_index = 0; thread_index < tm->n_vlib_mains; thread_index++ ) { lb_hash_t *h = lbm->per_cpu[thread_index].sticky_ht; if (h != NULL) { u32 i; lb_hash_bucket_t *b; lb_hash_foreach_entry(h, b, i) { vlib_refcount_add(&lbm->as_refcount, thread_index, b->value[i], -1); vlib_refcount_add(&lbm->as_refcount, thread_index, 0, 1); } lb_hash_free(h); lbm->per_cpu[thread_index].sticky_ht = 0; } } return NULL; } /* * flush all lb flowtables * This is indented for debug and unit-tests purposes only */ VLIB_CLI_COMMAND (lb_flowtable_flush_command, static) = { .path = "test lb flowtable flush", .short_help = "test lb flowtable flush", .function = lb_flowtable_flush_command_fn, };