On 16:20 Thu 11 Dec , Ira Weiny wrote:
>
[snip...]
> diff --git a/infiniband-diags/libibnetdisc/test/iblinkinfotest.c
> b/infiniband-diags/libibnetdisc/test/iblinkinfotest.c
> new file mode 100644
> index 0000000..6e63f4a
> --- /dev/null
> +++ b/infiniband-diags/libibnetdisc/test/iblinkinfotest.c
> @@ -0,0 +1,395 @@
> +/*
> + * Copyright (c) 2004-2007 Voltaire Inc. All rights reserved.
> + * Copyright (c) 2007 Xsigo Systems Inc. All rights reserved.
> + * Copyright (c) 2008 Lawrence Livermore National Lab. All rights reserved.
> + *
> + * This software is available to you under a choice of one of two
> + * licenses. You may choose to be licensed under the terms of the GNU
> + * General Public License (GPL) Version 2, available from the file
> + * COPYING in the main directory of this source tree, or the
> + * OpenIB.org BSD license below:
> + *
> + * Redistribution and use in source and binary forms, with or
> + * without modification, are permitted provided that the following
> + * conditions are met:
> + *
> + * - Redistributions of source code must retain the above
> + * copyright notice, this list of conditions and the following
> + * disclaimer.
> + *
> + * - Redistributions in binary form must reproduce the above
> + * copyright notice, this list of conditions and the following
> + * disclaimer in the documentation and/or other materials
> + * provided with the distribution.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
> + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
> + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
> + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
> + * SOFTWARE.
> + *
> + */
> +
> +#if HAVE_CONFIG_H
> +# include <config.h>
> +#endif /* HAVE_CONFIG_H */
> +
> +#define _GNU_SOURCE
> +#include <stdio.h>
> +#include <stdlib.h>
> +#include <unistd.h>
> +#include <stdarg.h>
> +#include <time.h>
> +#include <string.h>
> +#include <getopt.h>
> +#include <errno.h>
> +#include <inttypes.h>
> +
> +#include <infiniband/complib/cl_nodenamemap.h>
> +#include <infiniband/ibnetdisc.h>
> +
> +char *argv0 = "iblinkinfotest";
> +static FILE *f;
> +
> +static char *node_name_map_file = NULL;
> +static nn_map_t *node_name_map = NULL;
> +
> +static int timeout_ms = 500;
> +
> +static int debug = 0;
> +#define DEBUG(str, args...) \
> + if (debug) fprintf(stderr, str, ##args)
> +
> +static int down_links_only = 0;
> +static int line_mode = 0;
> +static int add_sw_settings = 0;
> +static int print_port_guids = 0;
> +
> +static unsigned int
> +get_max(unsigned int num)
> +{
> + unsigned int v = num; // 32-bit word to find the log base 2 of
> + unsigned r = 0; // r will be lg(v)
> +
> + while (v >>= 1) // unroll for more speed...
> + {
> + r++;
> + }
> +
> + return (1 << r);
> +}
> +
> +void
> +get_msg(char *width_msg, char *speed_msg, int msg_size, ibnd_port_t *port)
> +{
> + int max_speed = 0;
> +
> + int max_width = get_max(port->info.link_width_supported
> + & port->remoteport->info.link_width_supported);
> + if ((max_width & port->info.link_width_active) == 0) {
> + // we are not at the max supported width
> + // print what we could be at.
> + snprintf(width_msg, msg_size, "Could be %s",
> + ibnd_linkwidth_str(max_width));
> + }
> +
> + max_speed = get_max(port->info.link_speed_supported
> + & port->remoteport->info.link_speed_supported);
> + if ((max_speed & port->info.link_speed_active) == 0) {
> + // we are not at the max supported speed
> + // print what we could be at.
> + snprintf(speed_msg, msg_size, "Could be %s",
> + ibnd_linkspeed_str(max_speed, 1));
> + }
> +}
> +
> +void
> +print_port(ibnd_node_t *node, ibnd_port_t *port)
> +{
> + char remote_guid_str[256];
> + char remote_str[256];
> + char link_str[256];
> + char width_msg[256];
> + char speed_msg[256];
> + char ext_port_str[256];
> +
> + if (!port)
> + return;
> +
> + remote_guid_str[0] = '\0';
> + remote_str[0] = '\0';
> + link_str[0] = '\0';
> + width_msg[0] = '\0';
> + speed_msg[0] = '\0';
> +
> + if (port->remoteport) {
> + char remote_name_buf[256];
> + strncpy(remote_name_buf, port->remoteport->node->nodedesc, 256);
> +
> + if (port->remoteport->ext_portnum)
> + snprintf(ext_port_str, 256, "%d",
> port->remoteport->ext_portnum);
> + else
> + ext_port_str[0] = '\0';
> +
> + get_msg(width_msg, speed_msg, 256, port);
> + if (line_mode) {
> + if (print_port_guids) {
> + snprintf(remote_guid_str, 256,
> + "0x%016lx ",
> + port->remoteport->guid);
Here and below, printing uint64_t as %lx generates warning on 32-bit
machine. I would suggest to use portable string macros - PRIx64.
Sasha
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