diff options
Diffstat (limited to 'vnet/vnet/ip/ping.c')
-rw-r--r-- | vnet/vnet/ip/ping.c | 888 |
1 files changed, 0 insertions, 888 deletions
diff --git a/vnet/vnet/ip/ping.c b/vnet/vnet/ip/ping.c deleted file mode 100644 index 68dbe759ebc..00000000000 --- a/vnet/vnet/ip/ping.c +++ /dev/null @@ -1,888 +0,0 @@ -/* - * 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 <vnet/ip/ping.h> -#include <vnet/fib/ip6_fib.h> -#include <vnet/fib/ip4_fib.h> -#include <vnet/fib/fib_entry.h> - -/** - * @file - * @brief IPv4 and IPv6 ICMP Ping. - * - * This file contains code to suppport IPv4 or IPv6 ICMP ECHO_REQUEST to - * network hosts. - * - */ - - -u8 * -format_icmp_echo_trace (u8 * s, va_list * va) -{ - CLIB_UNUSED (vlib_main_t * vm) = va_arg (*va, vlib_main_t *); - CLIB_UNUSED (vlib_node_t * node) = va_arg (*va, vlib_node_t *); - icmp_echo_trace_t *t = va_arg (*va, icmp_echo_trace_t *); - - s = format (s, "ICMP echo id %d seq %d%s", - clib_net_to_host_u16 (t->id), - clib_net_to_host_u16 (t->seq), t->bound ? "" : " (unknown)"); - - return s; -} - -/* - * If we can find the ping run by an ICMP ID, then we send the signal - * to the CLI process referenced by that ping run, alongside with - * a freshly made copy of the packet. - * I opted for a packet copy to keep the main packet processing path - * the same as for all the other nodes. - * - */ - -static int -signal_ip46_icmp_reply_event (vlib_main_t * vm, - u8 event_type, vlib_buffer_t * b0) -{ - ping_main_t *pm = &ping_main; - u16 net_icmp_id = 0; - u32 bi0_copy = 0; - - switch (event_type) - { - case PING_RESPONSE_IP4: - { - icmp4_echo_request_header_t *h0 = vlib_buffer_get_current (b0); - net_icmp_id = h0->icmp_echo.id; - } - break; - case PING_RESPONSE_IP6: - { - icmp6_echo_request_header_t *h0 = vlib_buffer_get_current (b0); - net_icmp_id = h0->icmp_echo.id; - } - break; - default: - return 0; - } - - uword *p = hash_get (pm->ping_run_by_icmp_id, - clib_net_to_host_u16 (net_icmp_id)); - if (!p) - return 0; - - ping_run_t *pr = vec_elt_at_index (pm->ping_runs, p[0]); - if (vlib_buffer_alloc (vm, &bi0_copy, 1) == 1) - { - void *dst = vlib_buffer_get_current (vlib_get_buffer (vm, bi0_copy)); - clib_memcpy (dst, vlib_buffer_get_current (b0), b0->current_length); - } - /* If buffer_alloc failed, bi0_copy == 0 - just signaling an event. */ - - vlib_process_signal_event (vm, pr->cli_process_id, event_type, bi0_copy); - return 1; -} - -/* - * Process ICMPv6 echo replies - */ -static uword -ip6_icmp_echo_reply_node_fn (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * frame) -{ - u32 n_left_from, *from; - - from = vlib_frame_vector_args (frame); /* array of buffer indices */ - n_left_from = frame->n_vectors; /* number of buffer indices */ - - while (n_left_from > 0) - { - u32 bi0; - vlib_buffer_t *b0; - u32 next0; - - bi0 = from[0]; - b0 = vlib_get_buffer (vm, bi0); - - next0 = signal_ip46_icmp_reply_event (vm, PING_RESPONSE_IP6, b0) ? - ICMP6_ECHO_REPLY_NEXT_DROP : ICMP6_ECHO_REPLY_NEXT_PUNT; - - if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) - { - icmp6_echo_request_header_t *h0 = vlib_buffer_get_current (b0); - icmp_echo_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); - tr->id = h0->icmp_echo.id; - tr->seq = h0->icmp_echo.seq; - tr->bound = (next0 == ICMP6_ECHO_REPLY_NEXT_DROP); - } - - /* push this pkt to the next graph node */ - vlib_set_next_frame_buffer (vm, node, next0, bi0); - - from += 1; - n_left_from -= 1; - } - - return frame->n_vectors; -} - -/* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip6_icmp_echo_reply_node, static) = -{ - .function = ip6_icmp_echo_reply_node_fn, - .name = "ip6-icmp-echo-reply", - .vector_size = sizeof (u32), - .format_trace = format_icmp_echo_trace, - .n_next_nodes = ICMP6_ECHO_REPLY_N_NEXT, - .next_nodes = { - [ICMP6_ECHO_REPLY_NEXT_DROP] = "error-drop", - [ICMP6_ECHO_REPLY_NEXT_PUNT] = "error-punt", - }, -}; -/* *INDENT-ON* */ - -/* - * Process ICMPv4 echo replies - */ -static uword -ip4_icmp_echo_reply_node_fn (vlib_main_t * vm, - vlib_node_runtime_t * node, vlib_frame_t * frame) -{ - u32 n_left_from, *from; - - from = vlib_frame_vector_args (frame); /* array of buffer indices */ - n_left_from = frame->n_vectors; /* number of buffer indices */ - - while (n_left_from > 0) - { - u32 bi0; - vlib_buffer_t *b0; - u32 next0; - - bi0 = from[0]; - b0 = vlib_get_buffer (vm, bi0); - - next0 = signal_ip46_icmp_reply_event (vm, PING_RESPONSE_IP4, b0) ? - ICMP4_ECHO_REPLY_NEXT_DROP : ICMP4_ECHO_REPLY_NEXT_PUNT; - - if (PREDICT_FALSE (b0->flags & VLIB_BUFFER_IS_TRACED)) - { - icmp4_echo_request_header_t *h0 = vlib_buffer_get_current (b0); - icmp_echo_trace_t *tr = vlib_add_trace (vm, node, b0, sizeof (*tr)); - tr->id = h0->icmp_echo.id; - tr->seq = h0->icmp_echo.seq; - tr->bound = (next0 == ICMP4_ECHO_REPLY_NEXT_DROP); - } - - /* push this pkt to the next graph node */ - vlib_set_next_frame_buffer (vm, node, next0, bi0); - - from += 1; - n_left_from -= 1; - } - - return frame->n_vectors; -} - -/* *INDENT-OFF* */ -VLIB_REGISTER_NODE (ip4_icmp_echo_reply_node, static) = -{ - .function = ip4_icmp_echo_reply_node_fn, - .name = "ip4-icmp-echo-reply", - .vector_size = sizeof (u32), - .format_trace = format_icmp_echo_trace, - .n_next_nodes = ICMP4_ECHO_REPLY_N_NEXT, - .next_nodes = { - [ICMP4_ECHO_REPLY_NEXT_DROP] = "error-drop", - [ICMP4_ECHO_REPLY_NEXT_PUNT] = "error-punt", - }, -}; -/* *INDENT-ON* */ - -char *ip6_lookup_next_nodes[] = IP6_LOOKUP_NEXT_NODES; -char *ip4_lookup_next_nodes[] = IP4_LOOKUP_NEXT_NODES; - -/* get first interface address */ -static ip6_address_t * -ip6_interface_first_address (ip6_main_t * im, u32 sw_if_index) -{ - ip_lookup_main_t *lm = &im->lookup_main; - ip_interface_address_t *ia = 0; - ip6_address_t *result = 0; - - /* *INDENT-OFF* */ - foreach_ip_interface_address (lm, ia, sw_if_index, - 1 /* honor unnumbered */ , - ({ - ip6_address_t * a = - ip_interface_address_get_address (lm, ia); - result = a; - break; - })); - /* *INDENT-ON* */ - return result; -} - -/* Fill in the ICMP ECHO structure, return the safety-checked and possibly shrunk data_len */ -static u16 -init_icmp46_echo_request (icmp46_echo_request_t * icmp46_echo, - u16 seq_host, u16 id_host, u16 data_len) -{ - int i; - icmp46_echo->seq = clib_host_to_net_u16 (seq_host); - icmp46_echo->id = clib_host_to_net_u16 (id_host); - - for (i = 0; i < sizeof (icmp46_echo->data); i++) - { - icmp46_echo->data[i] = i % 256; - } - - if (data_len > sizeof (icmp46_echo_request_t)) - { - data_len = sizeof (icmp46_echo_request_t); - } - return data_len; -} - -static send_ip46_ping_result_t -send_ip6_ping (vlib_main_t * vm, ip6_main_t * im, - u32 table_id, ip6_address_t * pa6, - u32 sw_if_index, u16 seq_host, u16 id_host, u16 data_len, - u8 verbose) -{ - icmp6_echo_request_header_t *h0; - u32 bi0 = 0; - int bogus_length = 0; - vlib_buffer_t *p0; - vlib_frame_t *f; - u32 *to_next; - - if (vlib_buffer_alloc (vm, &bi0, 1) != 1) - return SEND_PING_ALLOC_FAIL; - - p0 = vlib_get_buffer (vm, bi0); - - /* - * if the user did not provide a source interface, use the any interface - * that the destination resolves via. - */ - if (~0 == sw_if_index) - { - fib_node_index_t fib_entry_index; - u32 fib_index; - - fib_index = ip6_fib_index_from_table_id (table_id); - - if (~0 == fib_index) - { - vlib_buffer_free (vm, &bi0, 1); - return SEND_PING_NO_TABLE; - } - - fib_entry_index = ip6_fib_table_lookup (fib_index, pa6, 128); - sw_if_index = fib_entry_get_resolving_interface (fib_entry_index); - /* - * Set the TX interface to force ip-lookup to use its table ID - */ - vnet_buffer (p0)->sw_if_index[VLIB_TX] = fib_index; - } - else - { - /* - * force an IP lookup in the table bound to the user's chosen - * source interface. - */ - vnet_buffer (p0)->sw_if_index[VLIB_TX] = - ip6_fib_table_get_index_for_sw_if_index (sw_if_index); - } - - if (~0 == sw_if_index) - { - vlib_buffer_free (vm, &bi0, 1); - return SEND_PING_NO_INTERFACE; - } - - vnet_buffer (p0)->sw_if_index[VLIB_RX] = sw_if_index; - - h0 = vlib_buffer_get_current (p0); - - /* Fill in ip6 header fields */ - h0->ip6.ip_version_traffic_class_and_flow_label = - clib_host_to_net_u32 (0x6 << 28); - h0->ip6.payload_length = 0; /* Set below */ - h0->ip6.protocol = IP_PROTOCOL_ICMP6; - h0->ip6.hop_limit = 255; - h0->ip6.dst_address = *pa6; - h0->ip6.src_address = *pa6; - - /* Fill in the correct source now */ - ip6_address_t *a = ip6_interface_first_address (im, sw_if_index); - h0->ip6.src_address = a[0]; - - /* Fill in icmp fields */ - h0->icmp.type = ICMP6_echo_request; - h0->icmp.code = 0; - h0->icmp.checksum = 0; - - data_len = - init_icmp46_echo_request (&h0->icmp_echo, seq_host, id_host, data_len); - h0->icmp_echo.time_sent = vlib_time_now (vm); - - /* Fix up the lengths */ - h0->ip6.payload_length = - clib_host_to_net_u16 (data_len + sizeof (icmp46_header_t)); - - p0->current_length = clib_net_to_host_u16 (h0->ip6.payload_length) + - STRUCT_OFFSET_OF (icmp6_echo_request_header_t, icmp); - - /* Calculate the ICMP checksum */ - h0->icmp.checksum = 0; - h0->icmp.checksum = - ip6_tcp_udp_icmp_compute_checksum (vm, 0, &h0->ip6, &bogus_length); - - /* Enqueue the packet right now */ - f = vlib_get_frame_to_node (vm, ip6_lookup_node.index); - to_next = vlib_frame_vector_args (f); - to_next[0] = bi0; - f->n_vectors = 1; - vlib_put_frame_to_node (vm, ip6_lookup_node.index, f); - - return SEND_PING_OK; -} - -static send_ip46_ping_result_t -send_ip4_ping (vlib_main_t * vm, - ip4_main_t * im, - u32 table_id, - ip4_address_t * pa4, - u32 sw_if_index, - u16 seq_host, u16 id_host, u16 data_len, u8 verbose) -{ - icmp4_echo_request_header_t *h0; - u32 bi0 = 0; - ip_lookup_main_t *lm = &im->lookup_main; - vlib_buffer_t *p0; - vlib_frame_t *f; - u32 *to_next; - u32 if_add_index0; - - if (vlib_buffer_alloc (vm, &bi0, 1) != 1) - return SEND_PING_ALLOC_FAIL; - - p0 = vlib_get_buffer (vm, bi0); - - /* - * if the user did not provide a source interface, use the any interface - * that the destination resolves via. - */ - if (~0 == sw_if_index) - { - fib_node_index_t fib_entry_index; - u32 fib_index; - - fib_index = ip4_fib_index_from_table_id (table_id); - - if (~0 == fib_index) - { - vlib_buffer_free (vm, &bi0, 1); - return SEND_PING_NO_TABLE; - } - - fib_entry_index = - ip4_fib_table_lookup (ip4_fib_get (fib_index), pa4, 32); - sw_if_index = fib_entry_get_resolving_interface (fib_entry_index); - /* - * Set the TX interface to force ip-lookup to use the user's table ID - */ - vnet_buffer (p0)->sw_if_index[VLIB_TX] = fib_index; - } - else - { - /* - * force an IP lookup in the table bound to the user's chosen - * source interface. - */ - vnet_buffer (p0)->sw_if_index[VLIB_TX] = - ip4_fib_table_get_index_for_sw_if_index (sw_if_index); - } - - if (~0 == sw_if_index) - { - vlib_buffer_free (vm, &bi0, 1); - return SEND_PING_NO_INTERFACE; - } - - vnet_buffer (p0)->sw_if_index[VLIB_RX] = sw_if_index; - - h0 = vlib_buffer_get_current (p0); - - /* Fill in ip4 header fields */ - h0->ip4.checksum = 0; - h0->ip4.ip_version_and_header_length = 0x45; - h0->ip4.tos = 0; - h0->ip4.length = 0; /* Set below */ - h0->ip4.fragment_id = 0; - h0->ip4.flags_and_fragment_offset = 0; - h0->ip4.ttl = 0xff; - h0->ip4.protocol = IP_PROTOCOL_ICMP; - h0->ip4.dst_address = *pa4; - h0->ip4.src_address = *pa4; - - /* Fill in the correct source now */ - if_add_index0 = lm->if_address_pool_index_by_sw_if_index[sw_if_index]; - if (PREDICT_TRUE (if_add_index0 != ~0)) - { - ip_interface_address_t *if_add = - pool_elt_at_index (lm->if_address_pool, if_add_index0); - ip4_address_t *if_ip = ip_interface_address_get_address (lm, if_add); - h0->ip4.src_address = *if_ip; - if (verbose) - { - vlib_cli_output (vm, "Source address: %U", - format_ip4_address, &h0->ip4.src_address); - } - } - - /* Fill in icmp fields */ - h0->icmp.type = ICMP4_echo_request; - h0->icmp.code = 0; - h0->icmp.checksum = 0; - - data_len = - init_icmp46_echo_request (&h0->icmp_echo, seq_host, id_host, data_len); - h0->icmp_echo.time_sent = vlib_time_now (vm); - - /* Fix up the lengths */ - h0->ip4.length = - clib_host_to_net_u16 (data_len + sizeof (icmp46_header_t) + - sizeof (ip4_header_t)); - - p0->current_length = clib_net_to_host_u16 (h0->ip4.length); - - /* Calculate the IP and ICMP checksums */ - h0->ip4.checksum = ip4_header_checksum (&(h0->ip4)); - h0->icmp.checksum = - ~ip_csum_fold (ip_incremental_checksum (0, &(h0->icmp), - p0->current_length - - sizeof (ip4_header_t))); - - /* Enqueue the packet right now */ - f = vlib_get_frame_to_node (vm, ip4_lookup_node.index); - to_next = vlib_frame_vector_args (f); - to_next[0] = bi0; - f->n_vectors = 1; - vlib_put_frame_to_node (vm, ip4_lookup_node.index, f); - - return SEND_PING_OK; -} - - -static void -print_ip6_icmp_reply (vlib_main_t * vm, u32 bi0) -{ - vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0); - icmp6_echo_request_header_t *h0 = vlib_buffer_get_current (b0); - f64 rtt = vlib_time_now (vm) - h0->icmp_echo.time_sent; - - vlib_cli_output (vm, - "%d bytes from %U: icmp_seq=%d ttl=%d time=%.4f ms", - clib_host_to_net_u16 (h0->ip6.payload_length), - format_ip6_address, - &h0->ip6.src_address, - clib_host_to_net_u16 (h0->icmp_echo.seq), - h0->ip6.hop_limit, rtt * 1000.0); -} - -static void -print_ip4_icmp_reply (vlib_main_t * vm, u32 bi0) -{ - vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0); - icmp4_echo_request_header_t *h0 = vlib_buffer_get_current (b0); - f64 rtt = vlib_time_now (vm) - h0->icmp_echo.time_sent; - u32 rcvd_icmp_len = - clib_host_to_net_u16 (h0->ip4.length) - - (4 * (0xF & h0->ip4.ip_version_and_header_length)); - - vlib_cli_output (vm, - "%d bytes from %U: icmp_seq=%d ttl=%d time=%.4f ms", - rcvd_icmp_len, - format_ip4_address, - &h0->ip4.src_address, - clib_host_to_net_u16 (h0->icmp_echo.seq), - h0->ip4.ttl, rtt * 1000.0); -} - - -/* - * Perform the ping run with the given parameters in the current CLI process. - * Depending on whether pa4 or pa6 is set, runs IPv4 or IPv6 ping. - * The amusing side effect is of course if both are set, then both pings are sent. - * This behavior can be used to ping a dualstack host over IPv4 and IPv6 at once. - */ - -static void -run_ping_ip46_address (vlib_main_t * vm, u32 table_id, ip4_address_t * pa4, - ip6_address_t * pa6, u32 sw_if_index, - f64 ping_interval, u32 ping_repeat, u32 data_len, - u32 verbose) -{ - int i; - ping_main_t *pm = &ping_main; - uword curr_proc = vlib_current_process (vm); - u32 n_replies = 0; - u32 n_requests = 0; - ping_run_t *pr = 0; - u32 ping_run_index = 0; - u16 icmp_id; - - static u32 rand_seed = 0; - - if (PREDICT_FALSE (!rand_seed)) - rand_seed = random_default_seed (); - - icmp_id = random_u32 (&rand_seed) & 0xffff; - - while (hash_get (pm->ping_run_by_icmp_id, icmp_id)) - { - vlib_cli_output (vm, "ICMP ID collision at %d, incrementing", icmp_id); - icmp_id++; - } - pool_get (pm->ping_runs, pr); - ping_run_index = pr - pm->ping_runs; - pr->cli_process_id = curr_proc; - pr->icmp_id = icmp_id; - hash_set (pm->ping_run_by_icmp_id, icmp_id, ping_run_index); - for (i = 1; i <= ping_repeat; i++) - { - f64 sleep_interval; - f64 time_ping_sent = vlib_time_now (vm); - /* Reset pr: running ping in other process could have changed pm->ping_runs */ - pr = vec_elt_at_index (pm->ping_runs, ping_run_index); - pr->curr_seq = i; - if (pa6 && - (SEND_PING_OK == - send_ip6_ping (vm, ping_main.ip6_main, table_id, pa6, sw_if_index, - i, icmp_id, data_len, verbose))) - { - n_requests++; - } - if (pa4 && - (SEND_PING_OK == - send_ip4_ping (vm, ping_main.ip4_main, table_id, pa4, sw_if_index, - i, icmp_id, data_len, verbose))) - { - n_requests++; - } - while ((i <= ping_repeat) - && - ((sleep_interval = - time_ping_sent + ping_interval - vlib_time_now (vm)) > 0.0)) - { - uword event_type, *event_data = 0; - vlib_process_wait_for_event_or_clock (vm, sleep_interval); - event_type = vlib_process_get_events (vm, &event_data); - switch (event_type) - { - case ~0: /* no events => timeout */ - break; - case PING_RESPONSE_IP6: - { - int i; - for (i = 0; i < vec_len (event_data); i++) - { - u32 bi0 = event_data[0]; - print_ip6_icmp_reply (vm, bi0); - n_replies++; - if (0 != bi0) - { - vlib_buffer_free (vm, &bi0, 1); - } - } - } - break; - case PING_RESPONSE_IP4: - { - int i; - for (i = 0; i < vec_len (event_data); i++) - { - u32 bi0 = event_data[0]; - print_ip4_icmp_reply (vm, bi0); - n_replies++; - if (0 != bi0) - { - vlib_buffer_free (vm, &bi0, 1); - } - } - } - break; - default: - /* someone pressed a key, abort */ - vlib_cli_output (vm, "Aborted due to a keypress."); - i = 1 + ping_repeat; - break; - } - } - } - vlib_cli_output (vm, "\n"); - { - float loss = - (0 == - n_requests) ? 0 : 100.0 * ((float) n_requests - - (float) n_replies) / (float) n_requests; - vlib_cli_output (vm, - "Statistics: %u sent, %u received, %f%% packet loss\n", - n_requests, n_replies, loss); - /* Reset pr: running ping in other process could have changed pm->ping_runs */ - pr = vec_elt_at_index (pm->ping_runs, ping_run_index); - hash_unset (pm->ping_run_by_icmp_id, icmp_id); - pool_put (pm->ping_runs, pr); - } -} - - - - - -static clib_error_t * -ping_ip_address (vlib_main_t * vm, - unformat_input_t * input, vlib_cli_command_t * cmd) -{ - ip4_address_t a4; - ip6_address_t a6; - clib_error_t *error = 0; - u32 ping_repeat = 5; - u8 ping_ip4, ping_ip6; - vnet_main_t *vnm = vnet_get_main (); - u32 data_len = PING_DEFAULT_DATA_LEN; - u32 verbose = 0; - f64 ping_interval = PING_DEFAULT_INTERVAL; - u32 sw_if_index, table_id; - - table_id = 0; - ping_ip4 = ping_ip6 = 0; - sw_if_index = ~0; - - if (unformat (input, "%U", unformat_ip4_address, &a4)) - { - ping_ip4 = 1; - } - else if (unformat (input, "%U", unformat_ip6_address, &a6)) - { - ping_ip6 = 1; - } - else if (unformat (input, "ipv4")) - { - if (unformat (input, "%U", unformat_ip4_address, &a4)) - { - ping_ip4 = 1; - } - else - { - error = - clib_error_return (0, - "expecting IPv4 address but got `%U'", - format_unformat_error, input); - } - } - else if (unformat (input, "ipv6")) - { - if (unformat (input, "%U", unformat_ip6_address, &a6)) - { - ping_ip6 = 1; - } - else - { - error = - clib_error_return (0, - "expecting IPv6 address but got `%U'", - format_unformat_error, input); - } - } - else - { - error = - clib_error_return (0, - "expecting IP4/IP6 address `%U'. Usage: ping <addr> [source <intf>] [size <datasz>] [repeat <count>] [verbose]", - format_unformat_error, input); - goto done; - } - - /* allow for the second AF in the same ping */ - if (!ping_ip4 && (unformat (input, "ipv4"))) - { - if (unformat (input, "%U", unformat_ip4_address, &a4)) - { - ping_ip4 = 1; - } - } - else if (!ping_ip6 && (unformat (input, "ipv6"))) - { - if (unformat (input, "%U", unformat_ip6_address, &a6)) - { - ping_ip6 = 1; - } - } - - /* parse the rest of the parameters in a cycle */ - while (!unformat_eof (input, NULL)) - { - if (unformat (input, "source")) - { - 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; - } - } - else if (unformat (input, "size")) - { - if (!unformat (input, "%u", &data_len)) - { - error = - clib_error_return (0, - "expecting size but got `%U'", - format_unformat_error, input); - goto done; - } - } - else if (unformat (input, "table-id")) - { - if (!unformat (input, "du", &table_id)) - { - error = - clib_error_return (0, - "expecting table-id but got `%U'", - format_unformat_error, input); - goto done; - } - } - else if (unformat (input, "interval")) - { - if (!unformat (input, "%f", &ping_interval)) - { - error = - clib_error_return (0, - "expecting interval (floating point number) got `%U'", - format_unformat_error, input); - goto done; - } - } - else if (unformat (input, "repeat")) - { - if (!unformat (input, "%u", &ping_repeat)) - { - error = - clib_error_return (0, - "expecting repeat count but got `%U'", - format_unformat_error, input); - goto done; - } - } - else if (unformat (input, "verbose")) - { - verbose = 1; - } - else - { - error = clib_error_return (0, "unknown input `%U'", - format_unformat_error, input); - goto done; - } - } - - run_ping_ip46_address (vm, table_id, ping_ip4 ? &a4 : NULL, - ping_ip6 ? &a6 : NULL, sw_if_index, ping_interval, - ping_repeat, data_len, verbose); -done: - return error; -} - -/*? - * This command sends an ICMP ECHO_REQUEST to network hosts. The address - * can be an IPv4 or IPv6 address (or both at the same time). - * - * @cliexpar - * @parblock - * Example of how ping an IPv4 address: - * @cliexstart{ping 172.16.1.2 source GigabitEthernet2/0/0 repeat 2} - * 64 bytes from 172.16.1.2: icmp_seq=1 ttl=64 time=.1090 ms - * 64 bytes from 172.16.1.2: icmp_seq=2 ttl=64 time=.0914 ms - * - * Statistics: 2 sent, 2 received, 0% packet loss - * @cliexend - * - * Example of how ping both an IPv4 address and IPv6 address at the same time: - * @cliexstart{ping 172.16.1.2 ipv6 fe80::24a5:f6ff:fe9c:3a36 source GigabitEthernet2/0/0 repeat 2 verbose} - * Adjacency index: 10, sw_if_index: 1 - * Adj: ip6-discover-neighbor - * Adj Interface: 0 - * Forced set interface: 1 - * Adjacency index: 0, sw_if_index: 4294967295 - * Adj: ip4-miss - * Adj Interface: 0 - * Forced set interface: 1 - * Source address: 172.16.1.1 - * 64 bytes from 172.16.1.2: icmp_seq=1 ttl=64 time=.1899 ms - * Adjacency index: 10, sw_if_index: 1 - * Adj: ip6-discover-neighbor - * Adj Interface: 0 - * Forced set interface: 1 - * Adjacency index: 0, sw_if_index: 4294967295 - * Adj: ip4-miss - * Adj Interface: 0 - * Forced set interface: 1 - * Source address: 172.16.1.1 - * 64 bytes from 172.16.1.2: icmp_seq=2 ttl=64 time=.0910 ms - * - * Statistics: 4 sent, 2 received, 50% packet loss - * @cliexend - * @endparblock -?*/ -/* *INDENT-OFF* */ -VLIB_CLI_COMMAND (ping_command, static) = -{ - .path = "ping", - .function = ping_ip_address, - .short_help = "ping {<ip-addr> | ipv4 <ip4-addr> | ipv6 <ip6-addr>}" - " [ipv4 <ip4-addr> | ipv6 <ip6-addr>] [source <interface>]" - " [size <pktsize>] [interval <sec>] [repeat <cnt>] [table-id <id>]" - " [verbose]", -}; -/* *INDENT-ON* */ - -static clib_error_t * -ping_cli_init (vlib_main_t * vm) -{ - ping_main_t *pm = &ping_main; - pm->ip6_main = &ip6_main; - pm->ip4_main = &ip4_main; - icmp6_register_type (vm, ICMP6_echo_reply, ip6_icmp_echo_reply_node.index); - ip4_icmp_register_type (vm, ICMP4_echo_reply, - ip4_icmp_echo_reply_node.index); - return 0; -} - -VLIB_INIT_FUNCTION (ping_cli_init); - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |