LU-14939 lnet: Allow specifying a source NID for lnetctl ping

[fs/lustre-release.git] / lnet / utils / lnetctl.c

diff --git a/lnet/utils/lnetctl.c b/lnet/utils/lnetctl.c
index 23888fb..6c76812 100644 (file)
--- a/lnet/utils/lnetctl.c
+++ b/lnet/utils/lnetctl.c
@@ -2178,21 +2178,27 @@ static int jt_ping(int argc, char **argv)
        struct cYAML *show_rc = NULL;
        int timeout = 1000;
        int rc = 0, opt;
+       char *src_nidstr = NULL;
 
-       const char *const short_options = "ht:";
+       const char *const short_options = "hs:t:";
        const struct option long_options[] = {
        { .name = "help",       .has_arg = no_argument,         .val = 'h' },
        { .name = "timeout",    .has_arg = required_argument,   .val = 't' },
+       { .name = "source",     .has_arg = required_argument,   .val = 's' },
        { .name = NULL } };
 
        while ((opt = getopt_long(argc, argv, short_options,
                                  long_options, NULL)) != -1) {
                switch (opt) {
+               case 's':
+                       src_nidstr = optarg;
+                       break;
                case 't':
                        timeout = 1000 * atol(optarg);
                        break;
                case 'h':
                        printf("ping nid[,nid,...]\n"
+                              "\t --source: source nid\n"
                               "\t --timeout: ping timeout\n"
                               "\t --help: display this help\n");
                        return 0;
@@ -2202,7 +2208,8 @@ static int jt_ping(int argc, char **argv)
        }
 
        for (; optind < argc; optind++)
-               rc = lustre_lnet_ping_nid(argv[optind], timeout, -1, &show_rc, &err_rc);
+               rc = lustre_lnet_ping_nid(argv[optind], src_nidstr, timeout, -1,
+                                         &show_rc, &err_rc);
 
        if (show_rc)
                cYAML_print_tree(show_rc);