From 864b25d0777d3226f475ef7d0232cacec7127770 Mon Sep 17 00:00:00 2001 From: Andrew Yourtchenko Date: Wed, 22 Mar 2017 10:51:14 +0100 Subject: ping: allow the user to send bursts of N packets instead of single packet Change-Id: I3c1d3a2db56487473123e6fec2b076a063473313 Signed-off-by: Andrew Yourtchenko --- src/vnet/ip/ping.c | 52 ++++++++++++++++++++++++++++++++++++++++++---------- 1 file changed, 42 insertions(+), 10 deletions(-) diff --git a/src/vnet/ip/ping.c b/src/vnet/ip/ping.c index a2b96ab6289..4131bd710a3 100644 --- a/src/vnet/ip/ping.c +++ b/src/vnet/ip/ping.c @@ -234,7 +234,7 @@ 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) + u32 burst, u8 verbose) { icmp6_echo_request_header_t *h0; u32 bi0 = 0; @@ -339,7 +339,15 @@ send_ip6_ping (vlib_main_t * vm, ip6_main_t * im, 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; + + ASSERT (burst <= VLIB_FRAME_SIZE); + f->n_vectors = burst; + while (--burst) + { + vlib_buffer_t *c0 = vlib_buffer_copy (vm, p0); + to_next++; + to_next[0] = vlib_get_buffer_index (vm, c0); + } vlib_put_frame_to_node (vm, ip6_lookup_node.index, f); return SEND_PING_OK; @@ -351,7 +359,7 @@ send_ip4_ping (vlib_main_t * vm, u32 table_id, ip4_address_t * pa4, u32 sw_if_index, - u16 seq_host, u16 id_host, u16 data_len, u8 verbose) + u16 seq_host, u16 id_host, u16 data_len, u32 burst, u8 verbose) { icmp4_echo_request_header_t *h0; u32 bi0 = 0; @@ -469,7 +477,15 @@ send_ip4_ping (vlib_main_t * vm, 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; + + ASSERT (burst <= VLIB_FRAME_SIZE); + f->n_vectors = burst; + while (--burst) + { + vlib_buffer_t *c0 = vlib_buffer_copy (vm, p0); + to_next++; + to_next[0] = vlib_get_buffer_index (vm, c0); + } vlib_put_frame_to_node (vm, ip4_lookup_node.index, f); return SEND_PING_OK; @@ -523,7 +539,7 @@ 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) + u32 ping_burst, u32 verbose) { int i; ping_main_t *pm = &ping_main; @@ -561,16 +577,16 @@ run_ping_ip46_address (vlib_main_t * vm, u32 table_id, ip4_address_t * pa4, 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))) + i, icmp_id, data_len, ping_burst, verbose))) { - n_requests++; + n_requests += ping_burst; } 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))) + i, icmp_id, data_len, ping_burst, verbose))) { - n_requests++; + n_requests += ping_burst; } while ((i <= ping_repeat) && @@ -650,6 +666,7 @@ ping_ip_address (vlib_main_t * vm, ip6_address_t a6; clib_error_t *error = 0; u32 ping_repeat = 5; + u32 ping_burst = 1; u8 ping_ip4, ping_ip6; vnet_main_t *vnm = vnet_get_main (); u32 data_len = PING_DEFAULT_DATA_LEN; @@ -789,6 +806,17 @@ ping_ip_address (vlib_main_t * vm, goto done; } } + else if (unformat (input, "burst")) + { + if (!unformat (input, "%u", &ping_burst)) + { + error = + clib_error_return (0, + "expecting burst count but got `%U'", + format_unformat_error, input); + goto done; + } + } else if (unformat (input, "verbose")) { verbose = 1; @@ -801,9 +829,13 @@ ping_ip_address (vlib_main_t * vm, } } + if (ping_burst < 1 || ping_burst > VLIB_FRAME_SIZE) + return clib_error_return (0, "burst size must be between 1 and %u", + VLIB_FRAME_SIZE); + 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); + ping_repeat, ping_burst, data_len, verbose); done: return error; } -- cgit 1.2.3-korg