+++ /dev/null
-/*
- * 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:
- */
Code Review / vpp.git / blobdiff