diff --git a/tc/tc_qdisc.c b/tc/tc_qdisc.c index 3a3701c2..1e9d9097 100644 --- a/tc/tc_qdisc.c +++ b/tc/tc_qdisc.c @@ -34,7 +34,7 @@ static int usage(void) fprintf(stderr, " [ stab [ help | STAB_OPTIONS] ]\n"); fprintf(stderr, " [ [ QDISC_KIND ] [ help | OPTIONS ] ]\n"); fprintf(stderr, "\n"); - fprintf(stderr, " tc qdisc show [ dev STRING ] [ ingress | clsact ]\n"); + fprintf(stderr, " tc qdisc show [ dev STRING ] [ ingress | clsact ] [ invisible ]\n"); fprintf(stderr, "Where:\n"); fprintf(stderr, "QDISC_KIND := { [p|b]fifo | tbf | prio | cbq | red | etc. }\n"); fprintf(stderr, "OPTIONS := ... try tc qdisc add help\n"); @@ -292,6 +292,7 @@ static int tc_qdisc_list(int argc, char **argv) { struct tcmsg t = { .tcm_family = AF_UNSPEC }; char d[16] = {}; + bool dump_invisible = false; while (argc > 0) { if (strcmp(*argv, "dev") == 0) { @@ -306,6 +307,8 @@ static int tc_qdisc_list(int argc, char **argv) t.tcm_parent = TC_H_INGRESS; } else if (matches(*argv, "help") == 0) { usage(); + } else if (strcmp(*argv, "invisible") == 0) { + dump_invisible = true; } else { fprintf(stderr, "What is \"%s\"? Try \"tc qdisc help\".\n", *argv); return -1; @@ -325,7 +328,25 @@ static int tc_qdisc_list(int argc, char **argv) filter_ifindex = t.tcm_ifindex; } - if (rtnl_dump_request(&rth, RTM_GETQDISC, &t, sizeof(t)) < 0) { + if (dump_invisible) { + struct { + struct nlmsghdr n; + struct tcmsg t; + char buf[256]; + } req = { + .n.nlmsg_type = RTM_GETQDISC, + .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg)), + }; + + req.t.tcm_family = AF_UNSPEC; + + addattr(&req.n, 256, TCA_DUMP_INVISIBLE); + if (rtnl_dump_request_n(&rth, &req.n) < 0) { + perror("Cannot send dump request"); + return 1; + } + + } else if (rtnl_dump_request(&rth, RTM_GETQDISC, &t, sizeof(t)) < 0) { perror("Cannot send dump request"); return 1; }