X-Git-Url: https://gerrit.fd.io/r/gitweb?p=vpp.git;a=blobdiff_plain;f=src%2Fvnet%2Fudp%2Fudp.c;h=8fa1147b03050aec5274ac6b6a76b327a4c66b48;hp=ff76a82e4a4c029e46acabe0d9c525a99cb1a41f;hb=07063b8ea;hpb=04e5344a358a9ad42d896486d2d226149fd326f4 diff --git a/src/vnet/udp/udp.c b/src/vnet/udp/udp.c index ff76a82e4a4..8fa1147b030 100644 --- a/src/vnet/udp/udp.c +++ b/src/vnet/udp/udp.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016 Cisco and/or its affiliates. + * Copyright (c) 2016-2019 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: @@ -22,61 +22,111 @@ #include #include -udp_uri_main_t udp_uri_main; +udp_main_t udp_main; -u32 -udp_session_bind_ip4 (u32 session_index, transport_endpoint_t * lcl) +udp_connection_t * +udp_connection_alloc (u32 thread_index) { - udp_uri_main_t *um = vnet_get_udp_main (); - udp_connection_t *listener; + udp_main_t *um = &udp_main; + udp_connection_t *uc; + u32 will_expand = 0; + pool_get_aligned_will_expand (um->connections[thread_index], will_expand, + CLIB_CACHE_LINE_BYTES); - pool_get (um->udp_listeners, listener); - memset (listener, 0, sizeof (udp_connection_t)); - listener->c_lcl_port = clib_host_to_net_u16 (lcl->port); - listener->c_lcl_ip4.as_u32 = lcl->ip.ip4.as_u32; - listener->c_proto = SESSION_TYPE_IP4_UDP; - udp_register_dst_port (um->vlib_main, lcl->port, udp4_uri_input_node.index, - 1 /* is_ipv4 */ ); - return 0; + if (PREDICT_FALSE (will_expand)) + { + clib_spinlock_lock_if_init (&udp_main.peekers_write_locks + [thread_index]); + pool_get_aligned (udp_main.connections[thread_index], uc, + CLIB_CACHE_LINE_BYTES); + clib_spinlock_unlock_if_init (&udp_main.peekers_write_locks + [thread_index]); + } + else + { + pool_get_aligned (um->connections[thread_index], uc, + CLIB_CACHE_LINE_BYTES); + } + clib_memset (uc, 0, sizeof (*uc)); + uc->c_c_index = uc - um->connections[thread_index]; + uc->c_thread_index = thread_index; + uc->c_proto = TRANSPORT_PROTO_UDP; + clib_spinlock_init (&uc->rx_lock); + return uc; } -u32 -udp_session_bind_ip6 (u32 session_index, transport_endpoint_t * lcl) +void +udp_connection_free (udp_connection_t * uc) { - udp_uri_main_t *um = vnet_get_udp_main (); - udp_connection_t *listener; + u32 thread_index = uc->c_thread_index; + if (CLIB_DEBUG) + clib_memset (uc, 0xFA, sizeof (*uc)); + pool_put (udp_main.connections[thread_index], uc); +} - pool_get (um->udp_listeners, listener); - listener->c_lcl_port = clib_host_to_net_u16 (lcl->port); - clib_memcpy (&listener->c_lcl_ip6, &lcl->ip.ip6, sizeof (ip6_address_t)); - listener->c_proto = SESSION_TYPE_IP6_UDP; - udp_register_dst_port (um->vlib_main, lcl->port, - udp4_uri_input_node.index, 0 /* is_ipv4 */ ); - return 0; +void +udp_connection_delete (udp_connection_t * uc) +{ + if ((uc->flags & UDP_CONN_F_OWNS_PORT) + || !(uc->flags & UDP_CONN_F_CONNECTED)) + udp_unregister_dst_port (vlib_get_main (), + clib_net_to_host_u16 (uc->c_lcl_port), + uc->c_is_ip4); + session_transport_delete_notify (&uc->connection); + udp_connection_free (uc); } u32 -udp_session_unbind_ip4 (u32 listener_index) +udp_session_bind (u32 session_index, transport_endpoint_t * lcl) { + udp_main_t *um = vnet_get_udp_main (); vlib_main_t *vm = vlib_get_main (); udp_connection_t *listener; - listener = udp_listener_get (listener_index); + u32 node_index; + void *iface_ip; + udp_dst_port_info_t *pi; - /* deregister the udp_local mapping */ - udp_unregister_dst_port (vm, listener->c_lcl_port, 1 /* is_ipv4 */ ); - return 0; + pi = + udp_get_dst_port_info (um, clib_net_to_host_u16 (lcl->port), lcl->is_ip4); + if (pi) + return -1; + + pool_get (um->listener_pool, listener); + clib_memset (listener, 0, sizeof (udp_connection_t)); + + listener->c_lcl_port = lcl->port; + listener->c_c_index = listener - um->listener_pool; + + /* If we are provided a sw_if_index, bind using one of its ips */ + if (ip_is_zero (&lcl->ip, 1) && lcl->sw_if_index != ENDPOINT_INVALID_INDEX) + { + if ((iface_ip = ip_interface_get_first_ip (lcl->sw_if_index, + lcl->is_ip4))) + ip_set (&lcl->ip, iface_ip, lcl->is_ip4); + } + ip_copy (&listener->c_lcl_ip, &lcl->ip, lcl->is_ip4); + listener->c_is_ip4 = lcl->is_ip4; + listener->c_proto = TRANSPORT_PROTO_UDP; + listener->c_s_index = session_index; + listener->c_fib_index = lcl->fib_index; + listener->flags |= UDP_CONN_F_OWNS_PORT; + clib_spinlock_init (&listener->rx_lock); + + node_index = lcl->is_ip4 ? udp4_input_node.index : udp6_input_node.index; + udp_register_dst_port (vm, clib_net_to_host_u16 (lcl->port), node_index, + lcl->is_ip4); + return listener->c_c_index; } u32 -udp_session_unbind_ip6 (u32 listener_index) +udp_session_unbind (u32 listener_index) { vlib_main_t *vm = vlib_get_main (); - udp_connection_t *listener; + udp_connection_t *listener; listener = udp_listener_get (listener_index); - - /* deregister the udp_local mapping */ - udp_unregister_dst_port (vm, listener->c_lcl_port, 0 /* is_ipv4 */ ); + udp_unregister_dst_port (vm, clib_net_to_host_u16 (listener->c_lcl_port), + listener->c_is_ip4); return 0; } @@ -90,220 +140,301 @@ udp_session_get_listener (u32 listener_index) } u32 -udp_push_header (transport_connection_t * tconn, vlib_buffer_t * b) +udp_push_header (transport_connection_t * tc, vlib_buffer_t * b) { - udp_connection_t *us; - u8 *data; - udp_header_t *udp; + udp_connection_t *uc; + vlib_main_t *vm = vlib_get_main (); - us = (udp_connection_t *) tconn; + uc = udp_get_connection_from_transport (tc); - if (tconn->is_ip4) - { - ip4_header_t *ip; - - data = vlib_buffer_get_current (b); - udp = (udp_header_t *) (data - sizeof (udp_header_t)); - ip = (ip4_header_t *) ((u8 *) udp - sizeof (ip4_header_t)); - - /* Build packet header, swap rx key src + dst fields */ - ip->src_address.as_u32 = us->c_lcl_ip4.as_u32; - ip->dst_address.as_u32 = us->c_rmt_ip4.as_u32; - ip->ip_version_and_header_length = 0x45; - ip->ttl = 254; - ip->protocol = IP_PROTOCOL_UDP; - ip->length = clib_host_to_net_u16 (b->current_length + sizeof (*udp)); - ip->checksum = ip4_header_checksum (ip); - - udp->src_port = us->c_lcl_port; - udp->dst_port = us->c_rmt_port; - udp->length = clib_host_to_net_u16 (b->current_length); - udp->checksum = 0; - - b->current_length = sizeof (*ip) + sizeof (*udp); - return SESSION_QUEUE_NEXT_IP4_LOOKUP; - } + vlib_buffer_push_udp (b, uc->c_lcl_port, uc->c_rmt_port, 1); + if (tc->is_ip4) + vlib_buffer_push_ip4 (vm, b, &uc->c_lcl_ip4, &uc->c_rmt_ip4, + IP_PROTOCOL_UDP, 1); else { - vlib_main_t *vm = vlib_get_main (); - ip6_header_t *ip; - u16 payload_length; - int bogus = ~0; - - data = vlib_buffer_get_current (b); - udp = (udp_header_t *) (data - sizeof (udp_header_t)); - ip = (ip6_header_t *) ((u8 *) udp - sizeof (ip6_header_t)); - - /* Build packet header, swap rx key src + dst fields */ - clib_memcpy (&ip->src_address, &us->c_lcl_ip6, sizeof (ip6_address_t)); - clib_memcpy (&ip->dst_address, &us->c_rmt_ip6, sizeof (ip6_address_t)); - - ip->ip_version_traffic_class_and_flow_label = - clib_host_to_net_u32 (0x6 << 28); - - ip->hop_limit = 0xff; - ip->protocol = IP_PROTOCOL_UDP; - - payload_length = vlib_buffer_length_in_chain (vm, b); - payload_length -= sizeof (*ip); - - ip->payload_length = clib_host_to_net_u16 (payload_length); - - udp->checksum = ip6_tcp_udp_icmp_compute_checksum (vm, b, ip, &bogus); - ASSERT (!bogus); - - udp->src_port = us->c_lcl_port; - udp->dst_port = us->c_rmt_port; - udp->length = clib_host_to_net_u16 (b->current_length); - udp->checksum = 0; - - b->current_length = sizeof (*ip) + sizeof (*udp); + ip6_header_t *ih; + ih = vlib_buffer_push_ip6 (vm, b, &uc->c_lcl_ip6, &uc->c_rmt_ip6, + IP_PROTOCOL_UDP); + vnet_buffer (b)->l3_hdr_offset = (u8 *) ih - b->data; + } + vnet_buffer (b)->sw_if_index[VLIB_RX] = 0; + vnet_buffer (b)->sw_if_index[VLIB_TX] = uc->c_fib_index; + b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED; - return SESSION_QUEUE_NEXT_IP6_LOOKUP; + if (PREDICT_FALSE (uc->flags & UDP_CONN_F_CLOSING)) + { + if (!transport_max_tx_dequeue (&uc->connection)) + udp_connection_delete (uc); } + + return 0; } transport_connection_t * -udp_session_get (u32 connection_index, u32 my_thread_index) +udp_session_get (u32 connection_index, u32 thread_index) { - udp_uri_main_t *um = vnet_get_udp_main (); + udp_connection_t *uc; + uc = udp_connection_get (connection_index, thread_index); + if (uc) + return &uc->connection; + return 0; +} - udp_connection_t *us; - us = - pool_elt_at_index (um->udp_sessions[my_thread_index], connection_index); - return &us->connection; +void +udp_session_close (u32 connection_index, u32 thread_index) +{ + udp_connection_t *uc; + + uc = udp_connection_get (connection_index, thread_index); + if (!uc) + return; + + if (!transport_max_tx_dequeue (&uc->connection)) + udp_connection_delete (uc); + else + uc->flags |= UDP_CONN_F_CLOSING; } void -udp_session_close (u32 connection_index, u32 my_thread_index) +udp_session_cleanup (u32 connection_index, u32 thread_index) { - udp_uri_main_t *um = vnet_get_udp_main (); - pool_put_index (um->udp_sessions[my_thread_index], connection_index); + udp_connection_t *uc; + uc = udp_connection_get (connection_index, thread_index); + if (uc) + udp_connection_free (uc); } u8 * -format_udp_session_ip4 (u8 * s, va_list * args) +format_udp_connection_id (u8 * s, va_list * args) { - u32 uci = va_arg (*args, u32); - u32 thread_index = va_arg (*args, u32); - udp_connection_t *u4; - - u4 = udp_connection_get (uci, thread_index); + udp_connection_t *uc = va_arg (*args, udp_connection_t *); + if (!uc) + return s; + if (uc->c_is_ip4) + s = format (s, "[#%d][%s] %U:%d->%U:%d", uc->c_thread_index, "U", + format_ip4_address, &uc->c_lcl_ip4, + clib_net_to_host_u16 (uc->c_lcl_port), format_ip4_address, + &uc->c_rmt_ip4, clib_net_to_host_u16 (uc->c_rmt_port)); + else + s = format (s, "[#%d][%s] %U:%d->%U:%d", uc->c_thread_index, "U", + format_ip6_address, &uc->c_lcl_ip6, + clib_net_to_host_u16 (uc->c_lcl_port), format_ip6_address, + &uc->c_rmt_ip6, clib_net_to_host_u16 (uc->c_rmt_port)); + return s; +} - s = format (s, "[%s] %U:%d->%U:%d", "udp", format_ip4_address, - &u4->c_lcl_ip4, clib_net_to_host_u16 (u4->c_lcl_port), - format_ip4_address, &u4->c_rmt_ip4, - clib_net_to_host_u16 (u4->c_rmt_port)); +u8 * +format_udp_connection (u8 * s, va_list * args) +{ + udp_connection_t *uc = va_arg (*args, udp_connection_t *); + u32 verbose = va_arg (*args, u32); + if (!uc) + return s; + s = format (s, "%-50U", format_udp_connection_id, uc); + if (verbose) + { + if (verbose == 1) + s = format (s, "%-15s", "-"); + else + s = format (s, "\n"); + } return s; } u8 * -format_udp_session_ip6 (u8 * s, va_list * args) +format_udp_session (u8 * s, va_list * args) { u32 uci = va_arg (*args, u32); u32 thread_index = va_arg (*args, u32); - udp_connection_t *tc = udp_connection_get (uci, thread_index); - s = format (s, "[%s] %U:%d->%U:%d", "udp", format_ip6_address, - &tc->c_lcl_ip6, clib_net_to_host_u16 (tc->c_lcl_port), - format_ip6_address, &tc->c_rmt_ip6, - clib_net_to_host_u16 (tc->c_rmt_port)); - return s; + u32 verbose = va_arg (*args, u32); + udp_connection_t *uc; + + uc = udp_connection_get (uci, thread_index); + return format (s, "%U", format_udp_connection, uc, verbose); } u8 * -format_udp_listener_session_ip4 (u8 * s, va_list * args) +format_udp_half_open_session (u8 * s, va_list * args) { - u32 tci = va_arg (*args, u32); - udp_connection_t *tc = udp_listener_get (tci); - s = format (s, "[%s] %U:%d->%U:%d", "udp", format_ip4_address, - &tc->c_lcl_ip4, clib_net_to_host_u16 (tc->c_lcl_port), - format_ip4_address, &tc->c_rmt_ip4, - clib_net_to_host_u16 (tc->c_rmt_port)); - return s; + u32 __clib_unused tci = va_arg (*args, u32); + u32 __clib_unused thread_index = va_arg (*args, u32); + clib_warning ("BUG"); + return 0; } u8 * -format_udp_listener_session_ip6 (u8 * s, va_list * args) +format_udp_listener_session (u8 * s, va_list * args) { u32 tci = va_arg (*args, u32); - udp_connection_t *tc = udp_listener_get (tci); - s = format (s, "[%s] %U:%d->%U:%d", "udp", format_ip6_address, - &tc->c_lcl_ip6, clib_net_to_host_u16 (tc->c_lcl_port), - format_ip6_address, &tc->c_rmt_ip6, - clib_net_to_host_u16 (tc->c_rmt_port)); - return s; + u32 __clib_unused thread_index = va_arg (*args, u32); + u32 verbose = va_arg (*args, u32); + udp_connection_t *uc = udp_listener_get (tci); + return format (s, "%U", format_udp_connection, uc, verbose); } -u16 -udp_send_mss_uri (transport_connection_t * t) +static int +udp_session_send_params (transport_connection_t * tconn, + transport_send_params_t * sp) { + /* No constraint on TX window */ + sp->snd_space = ~0; /* TODO figure out MTU of output interface */ - return 400; + sp->snd_mss = 1460; + sp->tx_offset = 0; + sp->flags = 0; + return 0; } -u32 -udp_send_space_uri (transport_connection_t * t) +int +udp_open_connection (transport_endpoint_cfg_t * rmt) { - /* No constraint on TX window */ - return ~0; + udp_main_t *um = vnet_get_udp_main (); + vlib_main_t *vm = vlib_get_main (); + u32 thread_index = vm->thread_index; + udp_connection_t *uc; + ip46_address_t lcl_addr; + u32 node_index; + u16 lcl_port; + + if (transport_alloc_local_endpoint (TRANSPORT_PROTO_UDP, rmt, &lcl_addr, + &lcl_port)) + return -1; + + while (udp_get_dst_port_info (um, lcl_port, rmt->is_ip4)) + { + lcl_port = transport_alloc_local_port (TRANSPORT_PROTO_UDP, &lcl_addr); + if (lcl_port < 1) + { + clib_warning ("Failed to allocate src port"); + return -1; + } + } + + node_index = rmt->is_ip4 ? udp4_input_node.index : udp6_input_node.index; + udp_register_dst_port (vm, lcl_port, node_index, 1 /* is_ipv4 */ ); + + /* We don't poll main thread if we have workers */ + if (vlib_num_workers ()) + thread_index = 1; + + uc = udp_connection_alloc (thread_index); + ip_copy (&uc->c_rmt_ip, &rmt->ip, rmt->is_ip4); + ip_copy (&uc->c_lcl_ip, &lcl_addr, rmt->is_ip4); + uc->c_rmt_port = rmt->port; + uc->c_lcl_port = clib_host_to_net_u16 (lcl_port); + uc->c_is_ip4 = rmt->is_ip4; + uc->c_proto = TRANSPORT_PROTO_UDP; + uc->c_fib_index = rmt->fib_index; + uc->flags |= UDP_CONN_F_OWNS_PORT; + + return uc->c_c_index; } -int -udp_open_connection (transport_endpoint_t * tep) +transport_connection_t * +udp_session_get_half_open (u32 conn_index) { - clib_warning ("Not implemented"); - return 0; + udp_connection_t *uc; + u32 thread_index; + + /* We don't poll main thread if we have workers */ + thread_index = vlib_num_workers ()? 1 : 0; + uc = udp_connection_get (conn_index, thread_index); + if (!uc) + return 0; + return &uc->connection; } /* *INDENT-OFF* */ -const static transport_proto_vft_t udp4_proto = { - .bind = udp_session_bind_ip4, - .open = udp_open_connection, - .unbind = udp_session_unbind_ip4, +static const transport_proto_vft_t udp_proto = { + .start_listen = udp_session_bind, + .connect = udp_open_connection, + .stop_listen = udp_session_unbind, .push_header = udp_push_header, .get_connection = udp_session_get, .get_listener = udp_session_get_listener, + .get_half_open = udp_session_get_half_open, .close = udp_session_close, - .send_mss = udp_send_mss_uri, - .send_space = udp_send_space_uri, - .format_connection = format_udp_session_ip4, - .format_listener = format_udp_listener_session_ip4 + .cleanup = udp_session_cleanup, + .send_params = udp_session_send_params, + .format_connection = format_udp_session, + .format_half_open = format_udp_half_open_session, + .format_listener = format_udp_listener_session, + .transport_options = { + .name = "udp", + .short_name = "U", + .tx_type = TRANSPORT_TX_DGRAM, + .service_type = TRANSPORT_SERVICE_CL, + }, }; +/* *INDENT-ON* */ + + +int +udpc_connection_open (transport_endpoint_cfg_t * rmt) +{ + udp_connection_t *uc; + /* Reproduce the logic of udp_open_connection to find the correct thread */ + u32 thread_index = vlib_num_workers ()? 1 : vlib_get_main ()->thread_index; + u32 uc_index; + uc_index = udp_open_connection (rmt); + if (uc_index == (u32) ~ 0) + return -1; + uc = udp_connection_get (uc_index, thread_index); + uc->flags |= UDP_CONN_F_CONNECTED; + return uc_index; +} + +u32 +udpc_connection_listen (u32 session_index, transport_endpoint_t * lcl) +{ + udp_connection_t *listener; + u32 li_index; + li_index = udp_session_bind (session_index, lcl); + if (li_index == (u32) ~ 0) + return -1; + listener = udp_listener_get (li_index); + listener->flags |= UDP_CONN_F_CONNECTED; + /* Fake udp listener, i.e., make sure session layer adds a udp instead of + * udpc listener to the lookup table */ + ((session_endpoint_cfg_t *) lcl)->transport_proto = TRANSPORT_PROTO_UDP; + return li_index; +} -const static transport_proto_vft_t udp6_proto = { - .bind = udp_session_bind_ip6, - .open = udp_open_connection, - .unbind = udp_session_unbind_ip6, +/* *INDENT-OFF* */ +static const transport_proto_vft_t udpc_proto = { + .start_listen = udpc_connection_listen, + .stop_listen = udp_session_unbind, + .connect = udpc_connection_open, .push_header = udp_push_header, .get_connection = udp_session_get, .get_listener = udp_session_get_listener, + .get_half_open = udp_session_get_half_open, .close = udp_session_close, - .send_mss = udp_send_mss_uri, - .send_space = udp_send_space_uri, - .format_connection = format_udp_session_ip6, - .format_listener = format_udp_listener_session_ip6 + .cleanup = udp_session_cleanup, + .send_params = udp_session_send_params, + .format_connection = format_udp_session, + .format_half_open = format_udp_half_open_session, + .format_listener = format_udp_listener_session, + .transport_options = { + .name = "udpc", + .short_name = "U", + .tx_type = TRANSPORT_TX_DGRAM, + .service_type = TRANSPORT_SERVICE_VC, + .half_open_has_fifos = 1 + }, }; /* *INDENT-ON* */ static clib_error_t * udp_init (vlib_main_t * vm) { - udp_uri_main_t *um = vnet_get_udp_main (); + udp_main_t *um = vnet_get_udp_main (); ip_main_t *im = &ip_main; vlib_thread_main_t *tm = vlib_get_thread_main (); u32 num_threads; - clib_error_t *error = 0; ip_protocol_info_t *pi; - - um->vlib_main = vm; - um->vnet_main = vnet_get_main (); - - if ((error = vlib_call_init_function (vm, ip_main_init))) - return error; - if ((error = vlib_call_init_function (vm, ip4_lookup_init))) - return error; - if ((error = vlib_call_init_function (vm, ip6_lookup_init))) - return error; + int i; /* * Registrations @@ -316,22 +447,103 @@ udp_init (vlib_main_t * vm) pi->format_header = format_udp_header; pi->unformat_pg_edit = unformat_pg_udp_header; - /* Register as transport with URI */ - session_register_transport (SESSION_TYPE_IP4_UDP, &udp4_proto); - session_register_transport (SESSION_TYPE_IP6_UDP, &udp6_proto); + transport_register_protocol (TRANSPORT_PROTO_UDP, &udp_proto, + FIB_PROTOCOL_IP4, ip4_lookup_node.index); + transport_register_protocol (TRANSPORT_PROTO_UDP, &udp_proto, + FIB_PROTOCOL_IP6, ip6_lookup_node.index); + transport_register_protocol (TRANSPORT_PROTO_UDPC, &udpc_proto, + FIB_PROTOCOL_IP4, ip4_lookup_node.index); + transport_register_protocol (TRANSPORT_PROTO_UDPC, &udpc_proto, + FIB_PROTOCOL_IP6, ip6_lookup_node.index); /* * Initialize data structures */ num_threads = 1 /* main thread */ + tm->n_threads; - vec_validate (um->udp_sessions, num_threads - 1); - - return error; + vec_validate (um->connections, num_threads - 1); + vec_validate (um->connection_peekers, num_threads - 1); + vec_validate (um->peekers_readers_locks, num_threads - 1); + vec_validate (um->peekers_write_locks, num_threads - 1); + + if (num_threads > 1) + for (i = 0; i < num_threads; i++) + { + clib_spinlock_init (&um->peekers_readers_locks[i]); + clib_spinlock_init (&um->peekers_write_locks[i]); + } + return 0; } -VLIB_INIT_FUNCTION (udp_init); +/* *INDENT-OFF* */ +VLIB_INIT_FUNCTION (udp_init) = +{ + .runs_after = VLIB_INITS("ip_main_init", "ip4_lookup_init", + "ip6_lookup_init"), +}; +/* *INDENT-ON* */ + + +static clib_error_t * +show_udp_punt_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd_arg) +{ + udp_main_t *um = vnet_get_udp_main (); + + clib_error_t *error = NULL; + + if (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) + return clib_error_return (0, "unknown input `%U'", format_unformat_error, + input); + + udp_dst_port_info_t *port_info; + if (um->punt_unknown4) + { + vlib_cli_output (vm, "IPv4 UDP punt: enabled"); + } + else + { + u8 *s = NULL; + vec_foreach (port_info, um->dst_port_infos[UDP_IP4]) + { + if (udp_is_valid_dst_port (port_info->dst_port, 1)) + { + s = format (s, (!s) ? "%d" : ", %d", port_info->dst_port); + } + } + s = format (s, "%c", 0); + vlib_cli_output (vm, "IPV4 UDP ports punt : %s", s); + } + + if (um->punt_unknown6) + { + vlib_cli_output (vm, "IPv6 UDP punt: enabled"); + } + else + { + u8 *s = NULL; + vec_foreach (port_info, um->dst_port_infos[UDP_IP6]) + { + if (udp_is_valid_dst_port (port_info->dst_port, 01)) + { + s = format (s, (!s) ? "%d" : ", %d", port_info->dst_port); + } + } + s = format (s, "%c", 0); + vlib_cli_output (vm, "IPV6 UDP ports punt : %s", s); + } + + return (error); +} +/* *INDENT-OFF* */ +VLIB_CLI_COMMAND (show_tcp_punt_command, static) = +{ + .path = "show udp punt", + .short_help = "show udp punt [ipv4|ipv6]", + .function = show_udp_punt_fn, +}; +/* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON