/* * Copyright (c) 2017 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 <nat/dslite.h> static clib_error_t * dslite_add_del_pool_addr_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { dslite_main_t *dm = &dslite_main; unformat_input_t _line_input, *line_input = &_line_input; ip4_address_t start_addr, end_addr, this_addr; u32 start_host_order, end_host_order; int i, count, rv; u8 is_add = 1; clib_error_t *error = 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, "%U - %U", unformat_ip4_address, &start_addr, unformat_ip4_address, &end_addr)) ; else if (unformat (line_input, "%U", unformat_ip4_address, &start_addr)) end_addr = start_addr; else if (unformat (line_input, "del")) is_add = 0; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } start_host_order = clib_host_to_net_u32 (start_addr.as_u32); end_host_order = clib_host_to_net_u32 (end_addr.as_u32); if (end_host_order < start_host_order) { error = clib_error_return (0, "end address less than start address"); goto done; } count = (end_host_order - start_host_order) + 1; this_addr = start_addr; for (i = 0; i < count; i++) { rv = dslite_add_del_pool_addr (dm, &this_addr, is_add); switch (rv) { case VNET_API_ERROR_NO_SUCH_ENTRY: error = clib_error_return (0, "DS-Lite pool address %U not exist.", format_ip4_address, &this_addr); goto done; case VNET_API_ERROR_VALUE_EXIST: error = clib_error_return (0, "DS-Lite pool address %U exist.", format_ip4_address, &this_addr); goto done; default: break; } increment_v4_address (&this_addr); } done: unformat_free (line_input); return error; } static clib_error_t * dslite_show_pool_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { dslite_main_t *dm = &dslite_main; snat_address_t *ap; vlib_cli_output (vm, "DS-Lite pool:"); /* *INDENT-OFF* */ vec_foreach (ap, dm->addr_pool) { vlib_cli_output (vm, "%U", format_ip4_address, &ap->addr); } /* *INDENT-ON* */ return 0; } static clib_error_t * dslite_set_aftr_tunnel_addr_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { dslite_main_t *dm = &dslite_main; unformat_input_t _line_input, *line_input = &_line_input; ip6_address_t ip6_addr; int rv; clib_error_t *error = 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, "%U", unformat_ip6_address, &ip6_addr)) ; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } rv = dslite_set_aftr_ip6_addr (dm, &ip6_addr); if (rv) error = clib_error_return (0, "Set DS-Lite AFTR tunnel endpoint address failed."); done: unformat_free (line_input); return error; } static clib_error_t * dslite_show_aftr_ip6_addr_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { dslite_main_t *dm = &dslite_main; vlib_cli_output (vm, "%U", format_ip6_address, &dm->aftr_ip6_addr); return 0; } static clib_error_t * dslite_set_b4_tunnel_addr_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { dslite_main_t *dm = &dslite_main; unformat_input_t _line_input, *line_input = &_line_input; ip6_address_t ip6_addr; int rv; clib_error_t *error = 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, "%U", unformat_ip6_address, &ip6_addr)) ; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } rv = dslite_set_b4_ip6_addr (dm, &ip6_addr); if (rv) error = clib_error_return (0, "Set DS-Lite B4 tunnel endpoint address failed."); done: unformat_free (line_input); return error; } static clib_error_t * dslite_show_b4_ip6_addr_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { dslite_main_t *dm = &dslite_main; vlib_cli_output (vm, "%U", format_ip6_address, &dm->b4_ip6_addr); return 0; } static u8 * format_dslite_session (u8 * s, va_list * args) { dslite_session_t *session = va_arg (*args, dslite_session_t *); u32 indent = format_get_indent (s); s = format (s, "%Uin %U:%u out %U:%u protocol %U\n", format_white_space, indent + 2, format_ip4_address, &session->in2out.addr, clib_net_to_host_u16 (session->in2out.port), format_ip4_address, &session->out2in.addr, clib_net_to_host_u16 (session->out2in.port), format_snat_protocol, session->in2out.proto); s = format (s, "%Utotal pkts %d, total bytes %lld\n", format_white_space, indent + 4, session->total_pkts, session->total_bytes); return s; } static u8 * format_dslite_b4 (u8 * s, va_list * args) { dslite_per_thread_data_t *td = va_arg (*args, dslite_per_thread_data_t *); dslite_b4_t *b4 = va_arg (*args, dslite_b4_t *); dlist_elt_t *head, *elt; u32 elt_index, head_index; u32 session_index; dslite_session_t *session; s = format (s, "B4 %U %d sessions\n", format_ip6_address, &b4->addr, b4->nsessions); if (b4->nsessions == 0) return s; head_index = b4->sessions_per_b4_list_head_index; head = pool_elt_at_index (td->list_pool, head_index); elt_index = head->next; elt = pool_elt_at_index (td->list_pool, elt_index); session_index = elt->value; while (session_index != ~0) { session = pool_elt_at_index (td->sessions, session_index); s = format (s, "%U", format_dslite_session, session); elt_index = elt->next; elt = pool_elt_at_index (td->list_pool, elt_index); session_index = elt->value; } return s; } static clib_error_t * dslite_show_sessions_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { dslite_main_t *dm = &dslite_main; dslite_per_thread_data_t *td; dslite_b4_t *b4; /* *INDENT-OFF* */ vec_foreach (td, dm->per_thread_data) { pool_foreach (b4, td->b4s, ({ vlib_cli_output (vm, "%U", format_dslite_b4, td, b4); })); } /* *INDENT-ON* */ return 0; } /* *INDENT-OFF* */ /*? * @cliexpar * @cliexstart{dslite add pool address} * Add/delete DS-Lite pool address for AFTR element. * To add DS-Lite pool address use: * vpp# dslite add pool address 10.1.1.3 * To add DS-Lite pool address range use: * vpp# dslite add pool address 10.1.1.5 - 10.1.1.7 * @cliexend ?*/ VLIB_CLI_COMMAND (dslite_add_pool_address_command, static) = { .path = "dslite add pool address", .short_help = "dslite add pool address <ip4-range-start> [- <ip4-range-end>] " " [del]", .function = dslite_add_del_pool_addr_command_fn, }; /*? * @cliexpar * @cliexstart{show dslite pool} * Show DS-lite pool addresses. * vpp# show dslite pool * DS-Lite pool: * 10.0.0.3 * 10.0.0.5 * 10.0.0.6 * 10.0.0.7 * @cliexend ?*/ VLIB_CLI_COMMAND (show_dslite_pool_command, static) = { .path = "show dslite pool", .short_help = "show dslite pool", .function = dslite_show_pool_command_fn, }; /*? * @cliexpar * @cliexstart{dslite set aftr-tunnel-endpoint-address} * Set IPv6 tunnel endpoint address of the AFTR element. * To set AFTR tunnel endpoint address use: * vpp# dslite set aftr-tunnel-endpoint-address 2001:db8:85a3::8a2e:370:1 * @cliexend ?*/ VLIB_CLI_COMMAND (dslite_set_aftr_tunnel_addr, static) = { .path = "dslite set aftr-tunnel-endpoint-address", .short_help = "dslite set aftr-tunnel-endpoint-address <ip6>", .function = dslite_set_aftr_tunnel_addr_command_fn, }; /*? * @cliexpar * @cliexstart{show dslite aftr-tunnel-endpoint-address} * Show IPv6 tunnel endpoint address of the AFTR element. * vpp# show dslite aftr-tunnel-endpoint-address * 2001:db8:85a3::8a2e:370:1 * @cliexend ?*/ VLIB_CLI_COMMAND (dslite_show_aftr_ip6_addr, static) = { .path = "show dslite aftr-tunnel-endpoint-address", .short_help = "show dslite aftr-tunnel-endpoint-address", .function = dslite_show_aftr_ip6_addr_command_fn, }; /*? * @cliexpar * @cliexstart{dslite set b4-tunnel-endpoint-address} * Set IPv6 tunnel endpoint address of the B4 element. * To set B4 tunnel endpoint address use: * vpp# dslite set b4-tunnel-endpoint-address 2001:db8:62aa::375e:f4c1:1 * @cliexend ?*/ VLIB_CLI_COMMAND (dslite_set_b4_tunnel_addr, static) = { .path = "dslite set b4-tunnel-endpoint-address", .short_help = "dslite set b4-tunnel-endpoint-address <ip6>", .function = dslite_set_b4_tunnel_addr_command_fn, }; /*? * @cliexpar * @cliexstart{show dslite b4-tunnel-endpoint-address} * Show IPv6 tunnel endpoint address of the B4 element. * vpp# show dslite b4-tunnel-endpoint-address * 2001:db8:62aa::375e:f4c1:1 * @cliexend ?*/ VLIB_CLI_COMMAND (dslite_show_b4_ip6_addr, static) = { .path = "show dslite b4-tunnel-endpoint-address", .short_help = "show dslite b4-tunnel-endpoint-address", .function = dslite_show_b4_ip6_addr_command_fn, }; /*? * @cliexpar * @cliexstart{show dslite sessions} * Show DS-Lite sessions. * vpp# show dslite sessions * B4 fd01:2::2 1 sessions * in 192.168.1.1:20000 out 10.0.0.3:16253 protocol udp * total pkts 2, total bytes 136 * B4 fd01:2::3 2 sessions * in 192.168.1.1:20001 out 10.0.0.3:18995 protocol tcp * total pkts 2, total bytes 160 * in 192.168.1.1:4000 out 10.0.0.3:53893 protocol icmp * total pkts 2, total bytes 136 * @cliexend ?*/ VLIB_CLI_COMMAND (dslite_show_sessions, static) = { .path = "show dslite sessions", .short_help = "show dslite sessions", .function = dslite_show_sessions_command_fn, }; /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */