Adding upstream version 6.1.0.upstream/6.1.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 850 insertions, 0 deletions

diff --git a/tc/tc_util.c b/tc/tc_util.c
new file mode 100644
index 0000000..d262206
--- /dev/null
+++ b/tc/tc_util.c
@@ -0,0 +1,850 @@
+/*
+ * tc_util.c		Misc TC utility functions.
+ *
+ *		This program is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <sys/param.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <string.h>
+#include <math.h>
+#include <errno.h>
+
+#include "utils.h"
+#include "names.h"
+#include "tc_util.h"
+#include "tc_common.h"
+
+#ifndef LIBDIR
+#define LIBDIR "/usr/lib"
+#endif
+
+static struct db_names *cls_names;
+
+#define NAMES_DB "/etc/iproute2/tc_cls"
+
+int cls_names_init(char *path)
+{
+	int ret;
+
+	cls_names = db_names_alloc();
+	if (!cls_names)
+		return -1;
+
+	ret = db_names_load(cls_names, path ?: NAMES_DB);
+	if (ret == -ENOENT && path) {
+		fprintf(stderr, "Can't open class names file: %s\n", path);
+		return -1;
+	}
+	if (ret) {
+		db_names_free(cls_names);
+		cls_names = NULL;
+	}
+
+	return 0;
+}
+
+void cls_names_uninit(void)
+{
+	db_names_free(cls_names);
+}
+
+const char *get_tc_lib(void)
+{
+	const char *lib_dir;
+
+	lib_dir = getenv("TC_LIB_DIR");
+	if (!lib_dir)
+		lib_dir = LIBDIR "/tc/";
+
+	return lib_dir;
+}
+
+int get_qdisc_handle(__u32 *h, const char *str)
+{
+	unsigned long maj;
+	char *p;
+
+	maj = TC_H_UNSPEC;
+	if (strcmp(str, "none") == 0)
+		goto ok;
+	maj = strtoul(str, &p, 16);
+	if (p == str || maj >= (1 << 16))
+		return -1;
+	maj <<= 16;
+	if (*p != ':' && *p != 0)
+		return -1;
+ok:
+	*h = maj;
+	return 0;
+}
+
+int get_tc_classid(__u32 *h, const char *str)
+{
+	unsigned long maj, min;
+	char *p;
+
+	maj = TC_H_ROOT;
+	if (strcmp(str, "root") == 0)
+		goto ok;
+	maj = TC_H_UNSPEC;
+	if (strcmp(str, "none") == 0)
+		goto ok;
+	maj = strtoul(str, &p, 16);
+	if (p == str) {
+		maj = 0;
+		if (*p != ':')
+			return -1;
+	}
+	if (*p == ':') {
+		if (maj >= (1<<16))
+			return -1;
+		maj <<= 16;
+		str = p+1;
+		min = strtoul(str, &p, 16);
+		if (*p != 0)
+			return -1;
+		if (min >= (1<<16))
+			return -1;
+		maj |= min;
+	} else if (*p != 0)
+		return -1;
+
+ok:
+	*h = maj;
+	return 0;
+}
+
+int print_tc_classid(char *buf, int blen, __u32 h)
+{
+	SPRINT_BUF(handle) = {};
+	int hlen = SPRINT_BSIZE - 1;
+
+	if (h == TC_H_ROOT)
+		sprintf(handle, "root");
+	else if (h == TC_H_UNSPEC)
+		snprintf(handle, hlen, "none");
+	else if (TC_H_MAJ(h) == 0)
+		snprintf(handle, hlen, ":%x", TC_H_MIN(h));
+	else if (TC_H_MIN(h) == 0)
+		snprintf(handle, hlen, "%x:", TC_H_MAJ(h) >> 16);
+	else
+		snprintf(handle, hlen, "%x:%x", TC_H_MAJ(h) >> 16, TC_H_MIN(h));
+
+	if (use_names) {
+		char clname[IDNAME_MAX] = {};
+
+		if (id_to_name(cls_names, h, clname))
+			snprintf(buf, blen, "%s#%s", clname, handle);
+		else
+			snprintf(buf, blen, "%s", handle);
+	} else {
+		snprintf(buf, blen, "%s", handle);
+	}
+
+	return 0;
+}
+
+char *sprint_tc_classid(__u32 h, char *buf)
+{
+	if (print_tc_classid(buf, SPRINT_BSIZE-1, h))
+		strcpy(buf, "???");
+	return buf;
+}
+
+/* Parse a percent e.g: '30%'
+ * return: 0 = ok, -1 = error, 1 = out of range
+ */
+int parse_percent(double *val, const char *str)
+{
+	char *p;
+
+	*val = strtod(str, &p) / 100.;
+	if (*val > 1.0 || *val < 0.0)
+		return 1;
+	if (*p && strcmp(p, "%"))
+		return -1;
+
+	return 0;
+}
+
+static int parse_percent_rate(char *rate, size_t len,
+			      const char *str, const char *dev)
+{
+	long dev_mbit;
+	int ret;
+	double perc, rate_bit;
+	char *str_perc = NULL;
+
+	if (!dev[0]) {
+		fprintf(stderr, "No device specified; specify device to rate limit by percentage\n");
+		return -1;
+	}
+
+	if (read_prop(dev, "speed", &dev_mbit))
+		return -1;
+
+	ret = sscanf(str, "%m[0-9.%]", &str_perc);
+	if (ret != 1)
+		goto malf;
+
+	ret = parse_percent(&perc, str_perc);
+	if (ret == 1) {
+		fprintf(stderr, "Invalid rate specified; should be between [0,100]%% but is %s\n", str);
+		goto err;
+	} else if (ret == -1) {
+		goto malf;
+	}
+
+	free(str_perc);
+
+	rate_bit = perc * dev_mbit * 1000 * 1000;
+
+	ret = snprintf(rate, len, "%lf", rate_bit);
+	if (ret <= 0 || ret >= len) {
+		fprintf(stderr, "Unable to parse calculated rate\n");
+		return -1;
+	}
+
+	return 0;
+
+malf:
+	fprintf(stderr, "Specified rate value could not be read or is malformed\n");
+err:
+	free(str_perc);
+	return -1;
+}
+
+int get_percent_rate(unsigned int *rate, const char *str, const char *dev)
+{
+	char r_str[20];
+
+	if (parse_percent_rate(r_str, sizeof(r_str), str, dev))
+		return -1;
+
+	return get_rate(rate, r_str);
+}
+
+int get_percent_rate64(__u64 *rate, const char *str, const char *dev)
+{
+	char r_str[20];
+
+	if (parse_percent_rate(r_str, sizeof(r_str), str, dev))
+		return -1;
+
+	return get_rate64(rate, r_str);
+}
+
+void __attribute__((format(printf, 3, 0)))
+tc_print_rate(enum output_type t, const char *key, const char *fmt,
+		   unsigned long long rate)
+{
+	print_rate(use_iec, t, key, fmt, rate);
+}
+
+char *sprint_ticks(__u32 ticks, char *buf)
+{
+	return sprint_time(tc_core_tick2time(ticks), buf);
+}
+
+int get_size_and_cell(unsigned int *size, int *cell_log, char *str)
+{
+	char *slash = strchr(str, '/');
+
+	if (slash)
+		*slash = 0;
+
+	if (get_size(size, str))
+		return -1;
+
+	if (slash) {
+		int cell;
+		int i;
+
+		if (get_integer(&cell, slash+1, 0))
+			return -1;
+		*slash = '/';
+
+		for (i = 0; i < 32; i++) {
+			if ((1<<i) == cell) {
+				*cell_log = i;
+				return 0;
+			}
+		}
+		return -1;
+	}
+	return 0;
+}
+
+void print_devname(enum output_type type, int ifindex)
+{
+	const char *ifname = ll_index_to_name(ifindex);
+
+	if (!is_json_context())
+		printf("dev ");
+
+	print_color_string(type, COLOR_IFNAME,
+			   "dev", "%s ", ifname);
+}
+
+static const char *action_n2a(int action)
+{
+	static char buf[64];
+
+	if (TC_ACT_EXT_CMP(action, TC_ACT_GOTO_CHAIN))
+		return "goto";
+	if (TC_ACT_EXT_CMP(action, TC_ACT_JUMP))
+		return "jump";
+	switch (action) {
+	case TC_ACT_UNSPEC:
+		return "continue";
+	case TC_ACT_OK:
+		return "pass";
+	case TC_ACT_SHOT:
+		return "drop";
+	case TC_ACT_RECLASSIFY:
+		return "reclassify";
+	case TC_ACT_PIPE:
+		return "pipe";
+	case TC_ACT_STOLEN:
+		return "stolen";
+	case TC_ACT_TRAP:
+		return "trap";
+	default:
+		snprintf(buf, 64, "%d", action);
+		return buf;
+	}
+}
+
+/* Convert action branch name into numeric format.
+ *
+ * Parameters:
+ * @arg - string to parse
+ * @result - pointer to output variable
+ * @allow_num - whether @arg may be in numeric format already
+ *
+ * In error case, returns -1 and does not touch @result. Otherwise returns 0.
+ */
+int action_a2n(char *arg, int *result, bool allow_num)
+{
+	int n;
+	char dummy;
+	struct {
+		const char *a;
+		int n;
+	} a2n[] = {
+		{"continue", TC_ACT_UNSPEC},
+		{"drop", TC_ACT_SHOT},
+		{"shot", TC_ACT_SHOT},
+		{"pass", TC_ACT_OK},
+		{"ok", TC_ACT_OK},
+		{"reclassify", TC_ACT_RECLASSIFY},
+		{"pipe", TC_ACT_PIPE},
+		{"goto", TC_ACT_GOTO_CHAIN},
+		{"jump", TC_ACT_JUMP},
+		{"trap", TC_ACT_TRAP},
+		{ NULL },
+	}, *iter;
+
+	for (iter = a2n; iter->a; iter++) {
+		if (matches(arg, iter->a) != 0)
+			continue;
+		n = iter->n;
+		goto out_ok;
+	}
+	if (!allow_num || sscanf(arg, "%d%c", &n, &dummy) != 1)
+		return -1;
+
+out_ok:
+	if (result)
+		*result = n;
+	return 0;
+}
+
+static int __parse_action_control(int *argc_p, char ***argv_p, int *result_p,
+				  bool allow_num, bool ignore_a2n_miss)
+{
+	int argc = *argc_p;
+	char **argv = *argv_p;
+	int result;
+
+	if (!argc)
+		return -1;
+	if (action_a2n(*argv, &result, allow_num) == -1) {
+		if (!ignore_a2n_miss)
+			fprintf(stderr, "Bad action type %s\n", *argv);
+		return -1;
+	}
+	if (result == TC_ACT_GOTO_CHAIN) {
+		__u32 chain_index;
+
+		NEXT_ARG();
+		if (matches(*argv, "chain") != 0) {
+			fprintf(stderr, "\"chain index\" expected\n");
+			return -1;
+		}
+		NEXT_ARG();
+		if (get_u32(&chain_index, *argv, 10) ||
+		    chain_index > TC_ACT_EXT_VAL_MASK) {
+			fprintf(stderr, "Illegal \"chain index\"\n");
+			return -1;
+		}
+		result |= chain_index;
+	}
+	if (result == TC_ACT_JUMP) {
+		__u32 jump_cnt = 0;
+
+		NEXT_ARG();
+		if (get_u32(&jump_cnt, *argv, 10) ||
+		    jump_cnt > TC_ACT_EXT_VAL_MASK) {
+			fprintf(stderr, "Invalid \"jump count\" (%s)\n", *argv);
+			return -1;
+		}
+		result |= jump_cnt;
+	}
+	NEXT_ARG_FWD();
+	*argc_p = argc;
+	*argv_p = argv;
+	*result_p = result;
+	return 0;
+}
+
+/* Parse action control including possible options.
+ *
+ * Parameters:
+ * @argc_p - pointer to argc to parse
+ * @argv_p - pointer to argv to parse
+ * @result_p - pointer to output variable
+ * @allow_num - whether action may be in numeric format already
+ *
+ * In error case, returns -1 and does not touch @result_1p. Otherwise returns 0.
+ */
+int parse_action_control(int *argc_p, char ***argv_p,
+			 int *result_p, bool allow_num)
+{
+	return __parse_action_control(argc_p, argv_p, result_p,
+				      allow_num, false);
+}
+
+/* Parse action control including possible options.
+ *
+ * Parameters:
+ * @argc_p - pointer to argc to parse
+ * @argv_p - pointer to argv to parse
+ * @result_p - pointer to output variable
+ * @allow_num - whether action may be in numeric format already
+ * @default_result - set as a result in case of parsing error
+ *
+ * In case there is an error during parsing, the default result is used.
+ */
+void parse_action_control_dflt(int *argc_p, char ***argv_p,
+			       int *result_p, bool allow_num,
+			       int default_result)
+{
+	if (__parse_action_control(argc_p, argv_p, result_p, allow_num, true))
+		*result_p = default_result;
+}
+
+static int parse_action_control_slash_spaces(int *argc_p, char ***argv_p,
+					     int *result1_p, int *result2_p,
+					     bool allow_num)
+{
+	int argc = *argc_p;
+	char **argv = *argv_p;
+	int result1 = -1, result2;
+	int *result_p = &result1;
+	int ok = 0;
+	int ret;
+
+	while (argc > 0) {
+		switch (ok) {
+		case 1:
+			if (strcmp(*argv, "/") != 0)
+				goto out;
+			result_p = &result2;
+			NEXT_ARG();
+			/* fall-through */
+		case 0: 
+			ret = parse_action_control(&argc, &argv,
+						   result_p, allow_num);
+			if (ret)
+				return ret;
+			ok++;
+			break;
+		default:
+			goto out;
+		}
+	}
+out:
+	*result1_p = result1;
+	if (ok == 2)
+		*result2_p = result2;
+	*argc_p = argc;
+	*argv_p = argv;
+	return 0;
+}
+
+/* Parse action control with slash including possible options.
+ *
+ * Parameters:
+ * @argc_p - pointer to argc to parse
+ * @argv_p - pointer to argv to parse
+ * @result1_p - pointer to the first (before slash) output variable
+ * @result2_p - pointer to the second (after slash) output variable
+ * @allow_num - whether action may be in numeric format already
+ *
+ * In error case, returns -1 and does not touch @result*. Otherwise returns 0.
+ */
+int parse_action_control_slash(int *argc_p, char ***argv_p,
+			       int *result1_p, int *result2_p, bool allow_num)
+{
+	int result1, result2, argc = *argc_p;
+	char **argv = *argv_p;
+	char *p = strchr(*argv, '/');
+
+	if (!p)
+		return parse_action_control_slash_spaces(argc_p, argv_p,
+							 result1_p, result2_p,
+							 allow_num);
+	*p = 0;
+	if (action_a2n(*argv, &result1, allow_num)) {
+		*p = '/';
+		return -1;
+	}
+
+	*p = '/';
+	if (action_a2n(p + 1, &result2, allow_num))
+		return -1;
+
+	*result1_p = result1;
+	*result2_p = result2;
+	NEXT_ARG_FWD();
+	*argc_p = argc;
+	*argv_p = argv;
+	return 0;
+}
+
+void print_action_control(FILE *f, const char *prefix,
+			  int action, const char *suffix)
+{
+	print_string(PRINT_FP, NULL, "%s", prefix);
+	open_json_object("control_action");
+	print_string(PRINT_ANY, "type", "%s", action_n2a(action));
+	if (TC_ACT_EXT_CMP(action, TC_ACT_GOTO_CHAIN))
+		print_uint(PRINT_ANY, "chain", " chain %u",
+			   action & TC_ACT_EXT_VAL_MASK);
+	if (TC_ACT_EXT_CMP(action, TC_ACT_JUMP))
+		print_uint(PRINT_ANY, "jump", " %u",
+			   action & TC_ACT_EXT_VAL_MASK);
+	close_json_object();
+	print_string(PRINT_FP, NULL, "%s", suffix);
+}
+
+int get_linklayer(unsigned int *val, const char *arg)
+{
+	int res;
+
+	if (matches(arg, "ethernet") == 0)
+		res = LINKLAYER_ETHERNET;
+	else if (matches(arg, "atm") == 0)
+		res = LINKLAYER_ATM;
+	else if (matches(arg, "adsl") == 0)
+		res = LINKLAYER_ATM;
+	else
+		return -1; /* Indicate error */
+
+	*val = res;
+	return 0;
+}
+
+static void print_linklayer(char *buf, int len, unsigned int linklayer)
+{
+	switch (linklayer) {
+	case LINKLAYER_UNSPEC:
+		snprintf(buf, len, "%s", "unspec");
+		return;
+	case LINKLAYER_ETHERNET:
+		snprintf(buf, len, "%s", "ethernet");
+		return;
+	case LINKLAYER_ATM:
+		snprintf(buf, len, "%s", "atm");
+		return;
+	default:
+		snprintf(buf, len, "%s", "unknown");
+		return;
+	}
+}
+
+char *sprint_linklayer(unsigned int linklayer, char *buf)
+{
+	print_linklayer(buf, SPRINT_BSIZE-1, linklayer);
+	return buf;
+}
+
+void print_tm(FILE *f, const struct tcf_t *tm)
+{
+	int hz = get_user_hz();
+
+	if (tm->install != 0)
+		print_uint(PRINT_ANY, "installed", " installed %u sec",
+			   tm->install / hz);
+
+	if (tm->lastuse != 0)
+		print_uint(PRINT_ANY, "last_used", " used %u sec",
+			   tm->lastuse / hz);
+
+	if (tm->firstuse != 0)
+		print_uint(PRINT_ANY, "first_used", " firstused %u sec",
+			   tm->firstuse / hz);
+
+	if (tm->expires != 0)
+		print_uint(PRINT_ANY, "expires", " expires %u sec",
+			   tm->expires / hz);
+}
+
+static void print_tcstats_basic_hw(struct rtattr **tbs, const char *prefix)
+{
+	struct gnet_stats_basic bs_hw;
+
+	if (!tbs[TCA_STATS_BASIC_HW])
+		return;
+
+	memcpy(&bs_hw, RTA_DATA(tbs[TCA_STATS_BASIC_HW]),
+	       MIN(RTA_PAYLOAD(tbs[TCA_STATS_BASIC_HW]), sizeof(bs_hw)));
+
+	if (bs_hw.bytes == 0 && bs_hw.packets == 0)
+		return;
+
+	if (tbs[TCA_STATS_BASIC]) {
+		struct gnet_stats_basic bs;
+
+		memcpy(&bs, RTA_DATA(tbs[TCA_STATS_BASIC]),
+		       MIN(RTA_PAYLOAD(tbs[TCA_STATS_BASIC]),
+			   sizeof(bs)));
+
+		if (bs.bytes >= bs_hw.bytes && bs.packets >= bs_hw.packets) {
+			print_nl();
+			print_string(PRINT_FP, NULL, "%s", prefix);
+			print_lluint(PRINT_ANY, "sw_bytes",
+				     "Sent software %llu bytes",
+				     bs.bytes - bs_hw.bytes);
+			print_uint(PRINT_ANY, "sw_packets", " %u pkt",
+				   bs.packets - bs_hw.packets);
+		}
+	}
+
+	print_nl();
+	print_string(PRINT_FP, NULL, "%s", prefix);
+	print_lluint(PRINT_ANY, "hw_bytes", "Sent hardware %llu bytes",
+		     bs_hw.bytes);
+	print_uint(PRINT_ANY, "hw_packets", " %u pkt", bs_hw.packets);
+}
+
+void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
+			 const char *prefix, struct rtattr **xstats)
+{
+	struct rtattr *tbs[TCA_STATS_MAX + 1];
+
+	parse_rtattr_nested(tbs, TCA_STATS_MAX, rta);
+
+	if (tbs[TCA_STATS_BASIC]) {
+		struct gnet_stats_basic bs = {0};
+		__u64 packets64 = 0;
+
+		if (tbs[TCA_STATS_PKT64])
+			packets64 = rta_getattr_u64(tbs[TCA_STATS_PKT64]);
+
+		memcpy(&bs, RTA_DATA(tbs[TCA_STATS_BASIC]),
+		       MIN(RTA_PAYLOAD(tbs[TCA_STATS_BASIC]), sizeof(bs)));
+		print_string(PRINT_FP, NULL, "%s", prefix);
+		print_lluint(PRINT_ANY, "bytes", "Sent %llu bytes", bs.bytes);
+		if (packets64)
+			print_lluint(PRINT_ANY, "packets",
+				     " %llu pkt", packets64);
+		else
+			print_uint(PRINT_ANY, "packets",
+				   " %u pkt", bs.packets);
+	}
+
+	if (tbs[TCA_STATS_QUEUE]) {
+		struct gnet_stats_queue q = {0};
+
+		memcpy(&q, RTA_DATA(tbs[TCA_STATS_QUEUE]),
+		       MIN(RTA_PAYLOAD(tbs[TCA_STATS_QUEUE]), sizeof(q)));
+		print_uint(PRINT_ANY, "drops", " (dropped %u", q.drops);
+		print_uint(PRINT_ANY, "overlimits", ", overlimits %u",
+			   q.overlimits);
+		print_uint(PRINT_ANY, "requeues", " requeues %u) ", q.requeues);
+	}
+
+	if (tbs[TCA_STATS_BASIC_HW])
+		print_tcstats_basic_hw(tbs, prefix);
+
+	if (tbs[TCA_STATS_RATE_EST64]) {
+		struct gnet_stats_rate_est64 re = {0};
+
+		memcpy(&re, RTA_DATA(tbs[TCA_STATS_RATE_EST64]),
+		       MIN(RTA_PAYLOAD(tbs[TCA_STATS_RATE_EST64]),
+			   sizeof(re)));
+		print_string(PRINT_FP, NULL, "\n%s", prefix);
+		print_lluint(PRINT_JSON, "rate", NULL, re.bps);
+		tc_print_rate(PRINT_FP, NULL, "rate %s", re.bps);
+		print_lluint(PRINT_ANY, "pps", " %llupps", re.pps);
+	} else if (tbs[TCA_STATS_RATE_EST]) {
+		struct gnet_stats_rate_est re = {0};
+
+		memcpy(&re, RTA_DATA(tbs[TCA_STATS_RATE_EST]),
+		       MIN(RTA_PAYLOAD(tbs[TCA_STATS_RATE_EST]), sizeof(re)));
+		print_string(PRINT_FP, NULL, "\n%s", prefix);
+		print_uint(PRINT_JSON, "rate", NULL, re.bps);
+		tc_print_rate(PRINT_FP, NULL, "rate %s", re.bps);
+		print_uint(PRINT_ANY, "pps", " %upps", re.pps);
+	}
+
+	if (tbs[TCA_STATS_QUEUE]) {
+		struct gnet_stats_queue q = {0};
+
+		memcpy(&q, RTA_DATA(tbs[TCA_STATS_QUEUE]),
+		       MIN(RTA_PAYLOAD(tbs[TCA_STATS_QUEUE]), sizeof(q)));
+		if (!tbs[TCA_STATS_RATE_EST])
+			print_nl();
+		print_string(PRINT_FP, NULL, "%s", prefix);
+		print_size(PRINT_ANY, "backlog", "backlog %s", q.backlog);
+		print_uint(PRINT_ANY, "qlen", " %up", q.qlen);
+		print_uint(PRINT_FP, NULL, " requeues %u", q.requeues);
+	}
+
+	if (xstats)
+		*xstats = tbs[TCA_STATS_APP] ? : NULL;
+}
+
+void print_tcstats_attr(FILE *fp, struct rtattr *tb[], const char *prefix,
+			struct rtattr **xstats)
+{
+	if (tb[TCA_STATS2]) {
+		print_tcstats2_attr(fp, tb[TCA_STATS2], prefix, xstats);
+		if (xstats && !*xstats)
+			goto compat_xstats;
+		return;
+	}
+	/* backward compatibility */
+	if (tb[TCA_STATS]) {
+		struct tc_stats st = {};
+
+		/* handle case where kernel returns more/less than we know about */
+		memcpy(&st, RTA_DATA(tb[TCA_STATS]),
+		       MIN(RTA_PAYLOAD(tb[TCA_STATS]), sizeof(st)));
+
+		fprintf(fp,
+			"%sSent %llu bytes %u pkts (dropped %u, overlimits %u) ",
+			prefix, (unsigned long long)st.bytes,
+			st.packets, st.drops, st.overlimits);
+
+		if (st.bps || st.pps || st.qlen || st.backlog) {
+			fprintf(fp, "\n%s", prefix);
+			if (st.bps || st.pps) {
+				fprintf(fp, "rate ");
+				if (st.bps)
+					tc_print_rate(PRINT_FP, NULL, "%s ",
+						      st.bps);
+				if (st.pps)
+					fprintf(fp, "%upps ", st.pps);
+			}
+			if (st.qlen || st.backlog) {
+				fprintf(fp, "backlog ");
+				if (st.backlog)
+					print_size(PRINT_FP, NULL, "%s ",
+						   st.backlog);
+				if (st.qlen)
+					fprintf(fp, "%up ", st.qlen);
+			}
+		}
+	}
+
+compat_xstats:
+	if (tb[TCA_XSTATS] && xstats)
+		*xstats = tb[TCA_XSTATS];
+}
+
+static void print_masked_type(__u32 type_max,
+			      __u32 (*rta_getattr_type)(const struct rtattr *),
+			      const char *name, struct rtattr *attr,
+			      struct rtattr *mask_attr, bool newline)
+{
+	__u32 value, mask;
+
+	if (!attr)
+		return;
+
+	value = rta_getattr_type(attr);
+	mask = mask_attr ? rta_getattr_type(mask_attr) : type_max;
+
+	if (newline)
+		print_string(PRINT_FP, NULL, "%s  ", _SL_);
+	else
+		print_string(PRINT_FP, NULL, " ", _SL_);
+
+	print_uint_name_value(name, value);
+
+	if (mask != type_max) {
+		char mask_name[SPRINT_BSIZE-6];
+
+		snprintf(mask_name, sizeof(mask_name), "%s_mask", name);
+		print_hex(PRINT_ANY, mask_name, "/0x%x", mask);
+	}
+}
+
+void print_masked_u32(const char *name, struct rtattr *attr,
+		      struct rtattr *mask_attr, bool newline)
+{
+	print_masked_type(UINT32_MAX, rta_getattr_u32, name, attr, mask_attr,
+			  newline);
+}
+
+static __u32 __rta_getattr_u16_u32(const struct rtattr *attr)
+{
+	return rta_getattr_u16(attr);
+}
+
+void print_masked_u16(const char *name, struct rtattr *attr,
+		      struct rtattr *mask_attr, bool newline)
+{
+	print_masked_type(UINT16_MAX, __rta_getattr_u16_u32, name, attr,
+			  mask_attr, newline);
+}
+
+static __u32 __rta_getattr_u8_u32(const struct rtattr *attr)
+{
+	return rta_getattr_u8(attr);
+}
+
+void print_masked_u8(const char *name, struct rtattr *attr,
+		     struct rtattr *mask_attr, bool newline)
+{
+	print_masked_type(UINT8_MAX,  __rta_getattr_u8_u32, name, attr,
+			  mask_attr, newline);
+}
+
+static __u32 __rta_getattr_be16_u32(const struct rtattr *attr)
+{
+	return rta_getattr_be16(attr);
+}
+
+void print_masked_be16(const char *name, struct rtattr *attr,
+		       struct rtattr *mask_attr, bool newline)
+{
+	print_masked_type(UINT16_MAX, __rta_getattr_be16_u32, name, attr,
+			  mask_attr, newline);
+}