tc->rcv_opts.tsecr, tc->tsecr_last_ack,
tcp_time_now () - tc->tsval_recent_age);
s = format (s, " snd_mss %u\n", tc->snd_mss);
- s = format (s, " rto %u rto_boff %u srtt %u us %.3f rttvar %u rtt_ts %.4f",
- tc->rto, tc->rto_boff, tc->srtt, tc->mrtt_us * 1000, tc->rttvar,
- tc->rtt_ts);
- s = format (s, " rtt_seq %u\n", tc->rtt_seq - tc->iss);
+ s = format (s, " rto %u rto_boff %u srtt %.1f us %.3f rttvar %.1f",
+ tc->rto / 1000, tc->rto_boff, tc->srtt / 1000.0,
+ tc->mrtt_us * 1e3, tc->rttvar / 1000.0);
+ s = format (s, " rtt_ts %.4f rtt_seq %u\n", tc->rtt_ts,
+ tc->rtt_seq - tc->iss);
s = format (s, " next_node %u opaque 0x%x fib_index %u\n",
tc->next_node_index, tc->next_node_opaque, tc->c_fib_index);
s = format (s, " cong: %U", format_tcp_congestion, tc);
" rxt_sacked %u\n",
sb->sacked_bytes, sb->last_sacked_bytes, sb->lost_bytes,
sb->last_lost_bytes, sb->rxt_sacked);
- s = format (s, "%Ulast_delivered %u high_sacked %u is_reneging %u\n",
+ s = format (s, "%Ulast_delivered %u high_sacked %u is_reneging %u",
format_white_space, indent, sb->last_bytes_delivered,
sb->high_sacked - tc->iss, sb->is_reneging);
+ s = format (s, " reorder %u\n", sb->reorder);
s = format (s, "%Ucur_rxt_hole %u high_rxt %u rescue_rxt %u",
format_white_space, indent, sb->cur_rxt_hole,
sb->high_rxt - tc->iss, sb->rescue_rxt - tc->iss);
int i, trace_len;
scoreboard_trace_elt_t *trace;
u32 next_ack, left, group, has_new_ack = 0;
- tcp_connection_t _dummy_tc, *dummy_tc = &_dummy_tc;
+ tcp_connection_t _placeholder_tc, *placeholder_tc = &_placeholder_tc;
sack_block_t *block;
if (!TCP_SCOREBOARD_TRACE)
if (!tc)
return s;
- clib_memset (dummy_tc, 0, sizeof (*dummy_tc));
- tcp_connection_timers_init (dummy_tc);
- scoreboard_init (&dummy_tc->sack_sb);
- dummy_tc->rcv_opts.flags |= TCP_OPTS_FLAG_SACK;
+ clib_memset (placeholder_tc, 0, sizeof (*placeholder_tc));
+ tcp_connection_timers_init (placeholder_tc);
+ scoreboard_init (&placeholder_tc->sack_sb);
+ placeholder_tc->rcv_opts.flags |= TCP_OPTS_FLAG_SACK;
#if TCP_SCOREBOARD_TRACE
trace = tc->sack_sb.trace;
{
if (trace[i].ack != 0)
{
- dummy_tc->snd_una = trace[i].ack - 1448;
- dummy_tc->snd_una_max = trace[i].ack;
+ placeholder_tc->snd_una = trace[i].ack - 1448;
+ placeholder_tc->snd_una_max = trace[i].ack;
}
}
while (left < trace_len)
{
group = trace[left].group;
- vec_reset_length (dummy_tc->rcv_opts.sacks);
+ vec_reset_length (placeholder_tc->rcv_opts.sacks);
has_new_ack = 0;
while (trace[left].group == group)
{
if (verbose)
s = format (s, "Adding ack %u, snd_una_max %u, segs: ",
trace[left].ack, trace[left].snd_una_max);
- dummy_tc->snd_una_max = trace[left].snd_una_max;
+ placeholder_tc->snd_una_max = trace[left].snd_una_max;
next_ack = trace[left].ack;
has_new_ack = 1;
}
if (verbose)
s = format (s, "[%u, %u], ", trace[left].start,
trace[left].end);
- vec_add2 (dummy_tc->rcv_opts.sacks, block, 1);
+ vec_add2 (placeholder_tc->rcv_opts.sacks, block, 1);
block->start = trace[left].start;
block->end = trace[left].end;
}
}
/* Push segments */
- tcp_rcv_sacks (dummy_tc, next_ack);
+ tcp_rcv_sacks (placeholder_tc, next_ack);
if (has_new_ack)
- dummy_tc->snd_una = next_ack;
+ placeholder_tc->snd_una = next_ack;
if (verbose)
s = format (s, "result: %U", format_tcp_scoreboard,
- &dummy_tc->sack_sb);
+ &placeholder_tc->sack_sb);
}
- s = format (s, "result: %U", format_tcp_scoreboard, &dummy_tc->sack_sb);
+ s =
+ format (s, "result: %U", format_tcp_scoreboard, &placeholder_tc->sack_sb);
return s;
}
};
/* *INDENT-ON* */
+static void
+tcp_show_half_open (vlib_main_t * vm, u32 start, u32 end, u8 verbose)
+{
+ tcp_main_t *tm = &tcp_main;
+ u8 output_suppressed = 0;
+ u32 n_elts, count = 0;
+ tcp_connection_t *tc;
+ int max_index, i;
+
+ n_elts = pool_elts (tm->half_open_connections);
+ max_index = clib_max (pool_len (tm->half_open_connections), 1) - 1;
+ if (verbose && end == ~0 && n_elts > 50)
+ {
+ vlib_cli_output (vm, "Too many connections, use range <start> <end>");
+ return;
+ }
+
+ if (!verbose)
+ {
+ vlib_cli_output (vm, "%u tcp half-open connections", n_elts);
+ return;
+ }
+
+ for (i = start; i <= clib_min (end, max_index); i++)
+ {
+ if (pool_is_free_index (tm->half_open_connections, i))
+ continue;
+
+ tc = pool_elt_at_index (tm->half_open_connections, i);
+
+ count += 1;
+ if (verbose)
+ {
+ if (count > 50 || (verbose > 1 && count > 10))
+ {
+ output_suppressed = 1;
+ continue;
+ }
+ }
+ vlib_cli_output (vm, "%U", format_tcp_connection, tc, verbose);
+ }
+ if (!output_suppressed)
+ vlib_cli_output (vm, "%u tcp half-open connections", n_elts);
+ else
+ vlib_cli_output (vm, "%u tcp half-open connections matched. Output "
+ "suppressed. Use finer grained filter.", count);
+
+}
+
+static clib_error_t *
+show_tcp_half_open_fn (vlib_main_t * vm, unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u32 start, end = ~0, verbose = 0;
+ clib_error_t *error = 0;
+
+ session_cli_return_if_not_enabled ();
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ {
+ tcp_show_half_open (vm, 0, ~0, 0);
+ return 0;
+ }
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "range %u %u", &start, &end))
+ ;
+ else if (unformat (line_input, "verbose %d", &verbose))
+ ;
+ else if (unformat (line_input, "verbose"))
+ verbose = 1;
+ else
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
+ }
+
+ if (start > end)
+ {
+ error = clib_error_return (0, "invalid range start: %u end: %u", start,
+ end);
+ goto done;
+ }
+
+ tcp_show_half_open (vm, start, end, verbose);
+
+done:
+ unformat_free (line_input);
+ return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (show_tcp_half_open_command, static) =
+{
+ .path = "show tcp half-open",
+ .short_help = "show tcp half-open [verbose <n>] [range <start> <end>]",
+ .function = show_tcp_half_open_fn,
+};
+/* *INDENT-ON* */
+
uword
unformat_tcp_cc_algo (unformat_input_t * input, va_list * va)
{
Code Review / vpp.git / blobdiff