Blame bridge/vlan.c

Packit Service 3880ab
/* SPDX-License-Identifier: GPL-2.0 */
Packit Service 3880ab
#include <stdio.h>
Packit Service 3880ab
#include <stdlib.h>
Packit Service 3880ab
#include <unistd.h>
Packit Service 3880ab
#include <fcntl.h>
Packit Service 3880ab
#include <sys/socket.h>
Packit Service 3880ab
#include <net/if.h>
Packit Service 3880ab
#include <netinet/in.h>
Packit Service 3880ab
#include <linux/if_bridge.h>
Packit Service 3880ab
#include <linux/if_ether.h>
Packit Service 3880ab
#include <string.h>
Packit Service 3880ab
Packit Service 3880ab
#include "json_print.h"
Packit Service 3880ab
#include "libnetlink.h"
Packit Service 3880ab
#include "br_common.h"
Packit Service 3880ab
#include "utils.h"
Packit Service 3880ab
Packit Service 3880ab
static unsigned int filter_index, filter_vlan;
Packit Service 3880ab
Packit Service 3880ab
enum vlan_show_subject {
Packit Service 3880ab
	VLAN_SHOW_VLAN,
Packit Service 3880ab
	VLAN_SHOW_TUNNELINFO,
Packit Service 3880ab
};
Packit Service 3880ab
Packit Service 3880ab
#define VLAN_ID_LEN 9
Packit Service 3880ab
Packit Service 3880ab
#define __stringify_1(x...) #x
Packit Service 3880ab
#define __stringify(x...) __stringify_1(x)
Packit Service 3880ab
Packit Service 3880ab
static void usage(void)
Packit Service 3880ab
{
Packit Service 3880ab
	fprintf(stderr,
Packit Service 3880ab
		"Usage: bridge vlan { add | del } vid VLAN_ID dev DEV [ tunnel_info id TUNNEL_ID ]\n"
Packit Service 3880ab
		"                                                     [ pvid ] [ untagged ]\n"
Packit Service 3880ab
		"                                                     [ self ] [ master ]\n"
Packit Service 3880ab
		"       bridge vlan { show } [ dev DEV ] [ vid VLAN_ID ]\n"
Packit Service 3880ab
		"       bridge vlan { tunnelshow } [ dev DEV ] [ vid VLAN_ID ]\n");
Packit Service 3880ab
	exit(-1);
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static int parse_tunnel_info(int *argcp, char ***argvp, __u32 *tun_id_start,
Packit Service 3880ab
			     __u32 *tun_id_end)
Packit Service 3880ab
{
Packit Service 3880ab
	char **argv = *argvp;
Packit Service 3880ab
	int argc = *argcp;
Packit Service 3880ab
	char *t;
Packit Service 3880ab
Packit Service 3880ab
	NEXT_ARG();
Packit Service 3880ab
	if (!matches(*argv, "id")) {
Packit Service 3880ab
		NEXT_ARG();
Packit Service 3880ab
		t = strchr(*argv, '-');
Packit Service 3880ab
		if (t) {
Packit Service 3880ab
			*t = '\0';
Packit Service 3880ab
			if (get_u32(tun_id_start, *argv, 0) ||
Packit Service 3880ab
				    *tun_id_start >= 1u << 24)
Packit Service 3880ab
				invarg("invalid tun id", *argv);
Packit Service 3880ab
			if (get_u32(tun_id_end, t + 1, 0) ||
Packit Service 3880ab
				    *tun_id_end >= 1u << 24)
Packit Service 3880ab
				invarg("invalid tun id", *argv);
Packit Service 3880ab
Packit Service 3880ab
		} else {
Packit Service 3880ab
			if (get_u32(tun_id_start, *argv, 0) ||
Packit Service 3880ab
				    *tun_id_start >= 1u << 24)
Packit Service 3880ab
				invarg("invalid tun id", *argv);
Packit Service 3880ab
		}
Packit Service 3880ab
	} else {
Packit Service 3880ab
		invarg("tunnel id expected", *argv);
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	*argcp = argc;
Packit Service 3880ab
	*argvp = argv;
Packit Service 3880ab
Packit Service 3880ab
	return 0;
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static int add_tunnel_info(struct nlmsghdr *n, int reqsize,
Packit Service 3880ab
			   __u16 vid, __u32 tun_id, __u16 flags)
Packit Service 3880ab
{
Packit Service 3880ab
	struct rtattr *tinfo;
Packit Service 3880ab
Packit Service 3880ab
	tinfo = addattr_nest(n, reqsize, IFLA_BRIDGE_VLAN_TUNNEL_INFO);
Packit Service 3880ab
	addattr32(n, reqsize, IFLA_BRIDGE_VLAN_TUNNEL_ID, tun_id);
Packit Service 3880ab
	addattr16(n, reqsize, IFLA_BRIDGE_VLAN_TUNNEL_VID, vid);
Packit Service 3880ab
	addattr16(n, reqsize, IFLA_BRIDGE_VLAN_TUNNEL_FLAGS, flags);
Packit Service 3880ab
Packit Service 3880ab
	addattr_nest_end(n, tinfo);
Packit Service 3880ab
Packit Service 3880ab
	return 0;
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static int add_tunnel_info_range(struct nlmsghdr *n, int reqsize,
Packit Service 3880ab
				 __u16 vid_start, int16_t vid_end,
Packit Service 3880ab
				 __u32 tun_id_start, __u32 tun_id_end)
Packit Service 3880ab
{
Packit Service 3880ab
	if (vid_end != -1 && (vid_end - vid_start) > 0) {
Packit Service 3880ab
		add_tunnel_info(n, reqsize, vid_start, tun_id_start,
Packit Service 3880ab
				BRIDGE_VLAN_INFO_RANGE_BEGIN);
Packit Service 3880ab
Packit Service 3880ab
		add_tunnel_info(n, reqsize, vid_end, tun_id_end,
Packit Service 3880ab
				BRIDGE_VLAN_INFO_RANGE_END);
Packit Service 3880ab
	} else {
Packit Service 3880ab
		add_tunnel_info(n, reqsize, vid_start, tun_id_start, 0);
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	return 0;
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static int add_vlan_info_range(struct nlmsghdr *n, int reqsize, __u16 vid_start,
Packit Service 3880ab
			       int16_t vid_end, __u16 flags)
Packit Service 3880ab
{
Packit Service 3880ab
	struct bridge_vlan_info vinfo = {};
Packit Service 3880ab
Packit Service 3880ab
	vinfo.flags = flags;
Packit Service 3880ab
	vinfo.vid = vid_start;
Packit Service 3880ab
	if (vid_end != -1) {
Packit Service 3880ab
		/* send vlan range start */
Packit Service 3880ab
		addattr_l(n, reqsize, IFLA_BRIDGE_VLAN_INFO, &vinfo,
Packit Service 3880ab
			  sizeof(vinfo));
Packit Service 3880ab
		vinfo.flags &= ~BRIDGE_VLAN_INFO_RANGE_BEGIN;
Packit Service 3880ab
Packit Service 3880ab
		/* Now send the vlan range end */
Packit Service 3880ab
		vinfo.flags |= BRIDGE_VLAN_INFO_RANGE_END;
Packit Service 3880ab
		vinfo.vid = vid_end;
Packit Service 3880ab
		addattr_l(n, reqsize, IFLA_BRIDGE_VLAN_INFO, &vinfo,
Packit Service 3880ab
			  sizeof(vinfo));
Packit Service 3880ab
	} else {
Packit Service 3880ab
		addattr_l(n, reqsize, IFLA_BRIDGE_VLAN_INFO, &vinfo,
Packit Service 3880ab
			  sizeof(vinfo));
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	return 0;
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static int vlan_modify(int cmd, int argc, char **argv)
Packit Service 3880ab
{
Packit Service 3880ab
	struct {
Packit Service 3880ab
		struct nlmsghdr	n;
Packit Service 3880ab
		struct ifinfomsg	ifm;
Packit Service 3880ab
		char			buf[1024];
Packit Service 3880ab
	} req = {
Packit Service 3880ab
		.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)),
Packit Service 3880ab
		.n.nlmsg_flags = NLM_F_REQUEST,
Packit Service 3880ab
		.n.nlmsg_type = cmd,
Packit Service 3880ab
		.ifm.ifi_family = PF_BRIDGE,
Packit Service 3880ab
	};
Packit Service 3880ab
	char *d = NULL;
Packit Service 3880ab
	short vid = -1;
Packit Service 3880ab
	short vid_end = -1;
Packit Service 3880ab
	struct rtattr *afspec;
Packit Service 3880ab
	struct bridge_vlan_info vinfo = {};
Packit Service 3880ab
	bool tunnel_info_set = false;
Packit Service 3880ab
	unsigned short flags = 0;
Packit Service 3880ab
	__u32 tun_id_start = 0;
Packit Service 3880ab
	__u32 tun_id_end = 0;
Packit Service 3880ab
Packit Service 3880ab
	while (argc > 0) {
Packit Service 3880ab
		if (strcmp(*argv, "dev") == 0) {
Packit Service 3880ab
			NEXT_ARG();
Packit Service 3880ab
			d = *argv;
Packit Service 3880ab
		} else if (strcmp(*argv, "vid") == 0) {
Packit Service 3880ab
			char *p;
Packit Service 3880ab
Packit Service 3880ab
			NEXT_ARG();
Packit Service 3880ab
			p = strchr(*argv, '-');
Packit Service 3880ab
			if (p) {
Packit Service 3880ab
				*p = '\0';
Packit Service 3880ab
				p++;
Packit Service 3880ab
				vid = atoi(*argv);
Packit Service 3880ab
				vid_end = atoi(p);
Packit Service 3880ab
				vinfo.flags |= BRIDGE_VLAN_INFO_RANGE_BEGIN;
Packit Service 3880ab
			} else {
Packit Service 3880ab
				vid = atoi(*argv);
Packit Service 3880ab
			}
Packit Service 3880ab
		} else if (strcmp(*argv, "self") == 0) {
Packit Service 3880ab
			flags |= BRIDGE_FLAGS_SELF;
Packit Service 3880ab
		} else if (strcmp(*argv, "master") == 0) {
Packit Service 3880ab
			flags |= BRIDGE_FLAGS_MASTER;
Packit Service 3880ab
		} else if (strcmp(*argv, "pvid") == 0) {
Packit Service 3880ab
			vinfo.flags |= BRIDGE_VLAN_INFO_PVID;
Packit Service 3880ab
		} else if (strcmp(*argv, "untagged") == 0) {
Packit Service 3880ab
			vinfo.flags |= BRIDGE_VLAN_INFO_UNTAGGED;
Packit Service 3880ab
		} else if (strcmp(*argv, "tunnel_info") == 0) {
Packit Service 3880ab
				if (parse_tunnel_info(&argc, &argv,
Packit Service 3880ab
						      &tun_id_start,
Packit Service 3880ab
						      &tun_id_end))
Packit Service 3880ab
					return -1;
Packit Service 3880ab
				tunnel_info_set = true;
Packit Service 3880ab
		} else {
Packit Service 3880ab
			if (matches(*argv, "help") == 0)
Packit Service 3880ab
				NEXT_ARG();
Packit Service 3880ab
		}
Packit Service 3880ab
		argc--; argv++;
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	if (d == NULL || vid == -1) {
Packit Service 3880ab
		fprintf(stderr, "Device and VLAN ID are required arguments.\n");
Packit Service 3880ab
		return -1;
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	req.ifm.ifi_index = ll_name_to_index(d);
Packit Service 3880ab
	if (req.ifm.ifi_index == 0) {
Packit Service 3880ab
		fprintf(stderr, "Cannot find bridge device \"%s\"\n", d);
Packit Service 3880ab
		return -1;
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	if (vid >= 4096) {
Packit Service 3880ab
		fprintf(stderr, "Invalid VLAN ID \"%hu\"\n", vid);
Packit Service 3880ab
		return -1;
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	if (vinfo.flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) {
Packit Service 3880ab
		if (vid_end == -1 || vid_end >= 4096 || vid >= vid_end) {
Packit Service 3880ab
			fprintf(stderr, "Invalid VLAN range \"%hu-%hu\"\n",
Packit Service 3880ab
				vid, vid_end);
Packit Service 3880ab
			return -1;
Packit Service 3880ab
		}
Packit Service 3880ab
		if (vinfo.flags & BRIDGE_VLAN_INFO_PVID) {
Packit Service 3880ab
			fprintf(stderr,
Packit Service 3880ab
				"pvid cannot be configured for a vlan range\n");
Packit Service 3880ab
			return -1;
Packit Service 3880ab
		}
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	afspec = addattr_nest(&req.n, sizeof(req), IFLA_AF_SPEC);
Packit Service 3880ab
Packit Service 3880ab
	if (flags)
Packit Service 3880ab
		addattr16(&req.n, sizeof(req), IFLA_BRIDGE_FLAGS, flags);
Packit Service 3880ab
Packit Service 3880ab
	if (tunnel_info_set)
Packit Service 3880ab
		add_tunnel_info_range(&req.n, sizeof(req), vid, vid_end,
Packit Service 3880ab
				      tun_id_start, tun_id_end);
Packit Service 3880ab
	else
Packit Service 3880ab
		add_vlan_info_range(&req.n, sizeof(req), vid, vid_end,
Packit Service 3880ab
				    vinfo.flags);
Packit Service 3880ab
Packit Service 3880ab
	addattr_nest_end(&req.n, afspec);
Packit Service 3880ab
Packit Service 3880ab
	if (rtnl_talk(&rth, &req.n, NULL) < 0)
Packit Service 3880ab
		return -1;
Packit Service 3880ab
Packit Service 3880ab
	return 0;
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
/* In order to use this function for both filtering and non-filtering cases
Packit Service 3880ab
 * we need to make it a tristate:
Packit Service 3880ab
 * return -1 - if filtering we've gone over so don't continue
Packit Service 3880ab
 * return  0 - skip entry and continue (applies to range start or to entries
Packit Service 3880ab
 *             which are less than filter_vlan)
Packit Service 3880ab
 * return  1 - print the entry and continue
Packit Service 3880ab
 */
Packit Service 3880ab
static int filter_vlan_check(__u16 vid, __u16 flags)
Packit Service 3880ab
{
Packit Service 3880ab
	/* if we're filtering we should stop on the first greater entry */
Packit Service 3880ab
	if (filter_vlan && vid > filter_vlan &&
Packit Service 3880ab
	    !(flags & BRIDGE_VLAN_INFO_RANGE_END))
Packit Service 3880ab
		return -1;
Packit Service 3880ab
	if ((flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) ||
Packit Service 3880ab
	    vid < filter_vlan)
Packit Service 3880ab
		return 0;
Packit Service 3880ab
Packit Service 3880ab
	return 1;
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static void open_vlan_port(int ifi_index, enum vlan_show_subject subject)
Packit Service 3880ab
{
Packit Service 3880ab
	open_json_object(NULL);
Packit Service 3880ab
	print_color_string(PRINT_ANY, COLOR_IFNAME, "ifname",
Packit Service 3880ab
			   "%-" __stringify(IFNAMSIZ) "s  ",
Packit Service 3880ab
			   ll_index_to_name(ifi_index));
Packit Service 3880ab
	open_json_array(PRINT_JSON,
Packit Service 3880ab
			subject == VLAN_SHOW_VLAN ? "vlans": "tunnels");
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static void close_vlan_port(void)
Packit Service 3880ab
{
Packit Service 3880ab
	close_json_array(PRINT_JSON, NULL);
Packit Service 3880ab
	close_json_object();
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static unsigned int print_range(const char *name, __u32 start, __u32 id)
Packit Service 3880ab
{
Packit Service 3880ab
	char end[64];
Packit Service 3880ab
	int width;
Packit Service 3880ab
Packit Service 3880ab
	snprintf(end, sizeof(end), "%sEnd", name);
Packit Service 3880ab
Packit Service 3880ab
	width = print_uint(PRINT_ANY, name, "%u", start);
Packit Service 3880ab
	if (start != id)
Packit Service 3880ab
		width += print_uint(PRINT_ANY, end, "-%u", id);
Packit Service 3880ab
Packit Service 3880ab
	return width;
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static void print_vlan_tunnel_info(struct rtattr *tb, int ifindex)
Packit Service 3880ab
{
Packit Service 3880ab
	struct rtattr *i, *list = tb;
Packit Service 3880ab
	int rem = RTA_PAYLOAD(list);
Packit Service 3880ab
	__u16 last_vid_start = 0;
Packit Service 3880ab
	__u32 last_tunid_start = 0;
Packit Service 3880ab
	bool opened = false;
Packit Service 3880ab
Packit Service 3880ab
	for (i = RTA_DATA(list); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
Packit Service 3880ab
		struct rtattr *ttb[IFLA_BRIDGE_VLAN_TUNNEL_MAX+1];
Packit Service 3880ab
		__u32 tunnel_id = 0;
Packit Service 3880ab
		__u16 tunnel_vid = 0;
Packit Service 3880ab
		__u16 tunnel_flags = 0;
Packit Service 3880ab
		unsigned int width;
Packit Service 3880ab
		int vcheck_ret;
Packit Service 3880ab
Packit Service 3880ab
		if (i->rta_type != IFLA_BRIDGE_VLAN_TUNNEL_INFO)
Packit Service 3880ab
			continue;
Packit Service 3880ab
Packit Service 3880ab
		parse_rtattr(ttb, IFLA_BRIDGE_VLAN_TUNNEL_MAX,
Packit Service 3880ab
			     RTA_DATA(i), RTA_PAYLOAD(i));
Packit Service 3880ab
Packit Service 3880ab
		if (ttb[IFLA_BRIDGE_VLAN_TUNNEL_VID])
Packit Service 3880ab
			tunnel_vid =
Packit Service 3880ab
				rta_getattr_u16(ttb[IFLA_BRIDGE_VLAN_TUNNEL_VID]);
Packit Service 3880ab
		else
Packit Service 3880ab
			continue;
Packit Service 3880ab
Packit Service 3880ab
		if (ttb[IFLA_BRIDGE_VLAN_TUNNEL_ID])
Packit Service 3880ab
			tunnel_id =
Packit Service 3880ab
				rta_getattr_u32(ttb[IFLA_BRIDGE_VLAN_TUNNEL_ID]);
Packit Service 3880ab
Packit Service 3880ab
		if (ttb[IFLA_BRIDGE_VLAN_TUNNEL_FLAGS])
Packit Service 3880ab
			tunnel_flags =
Packit Service 3880ab
				rta_getattr_u16(ttb[IFLA_BRIDGE_VLAN_TUNNEL_FLAGS]);
Packit Service 3880ab
Packit Service 3880ab
		if (!(tunnel_flags & BRIDGE_VLAN_INFO_RANGE_END)) {
Packit Service 3880ab
			last_vid_start = tunnel_vid;
Packit Service 3880ab
			last_tunid_start = tunnel_id;
Packit Service 3880ab
		}
Packit Service 3880ab
Packit Service 3880ab
		vcheck_ret = filter_vlan_check(tunnel_vid, tunnel_flags);
Packit Service 3880ab
		if (vcheck_ret == -1)
Packit Service 3880ab
			break;
Packit Service 3880ab
		else if (vcheck_ret == 0)
Packit Service 3880ab
			continue;
Packit Service 3880ab
Packit Service 3880ab
		if (!opened) {
Packit Service 3880ab
			open_vlan_port(ifindex, VLAN_SHOW_TUNNELINFO);
Packit Service 3880ab
			opened = true;
Packit Service 3880ab
		} else {
Packit Service 3880ab
			print_string(PRINT_FP, NULL,
Packit Service 3880ab
				     "%-" __stringify(IFNAMSIZ) "s  ", "");
Packit Service 3880ab
		}
Packit Service 3880ab
Packit Service 3880ab
		open_json_object(NULL);
Packit Service 3880ab
		width = print_range("vlan", last_vid_start, tunnel_vid);
Packit Service 3880ab
		if (width <= VLAN_ID_LEN) {
Packit Service 3880ab
			char buf[VLAN_ID_LEN + 1];
Packit Service 3880ab
Packit Service 3880ab
			snprintf(buf, sizeof(buf), "%-*s",
Packit Service 3880ab
				 VLAN_ID_LEN - width, "");
Packit Service 3880ab
			print_string(PRINT_FP, NULL, "%s  ", buf);
Packit Service 3880ab
		} else {
Packit Service 3880ab
			fprintf(stderr, "BUG: vlan range too wide, %u\n",
Packit Service 3880ab
				width);
Packit Service 3880ab
		}
Packit Service 3880ab
		print_range("tunid", last_tunid_start, tunnel_id);
Packit Service 3880ab
		close_json_object();
Packit Service 3880ab
		print_nl();
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	if (opened)
Packit Service 3880ab
		close_vlan_port();
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static int print_vlan(struct nlmsghdr *n, void *arg)
Packit Service 3880ab
{
Packit Service 3880ab
	enum vlan_show_subject *subject = arg;
Packit Service 3880ab
	struct ifinfomsg *ifm = NLMSG_DATA(n);
Packit Service 3880ab
	int len = n->nlmsg_len;
Packit Service 3880ab
	struct rtattr *tb[IFLA_MAX+1];
Packit Service 3880ab
Packit Service 3880ab
	if (n->nlmsg_type != RTM_NEWLINK) {
Packit Service 3880ab
		fprintf(stderr, "Not RTM_NEWLINK: %08x %08x %08x\n",
Packit Service 3880ab
			n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
Packit Service 3880ab
		return 0;
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	len -= NLMSG_LENGTH(sizeof(*ifm));
Packit Service 3880ab
	if (len < 0) {
Packit Service 3880ab
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
Packit Service 3880ab
		return -1;
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	if (ifm->ifi_family != AF_BRIDGE)
Packit Service 3880ab
		return 0;
Packit Service 3880ab
Packit Service 3880ab
	if (filter_index && filter_index != ifm->ifi_index)
Packit Service 3880ab
		return 0;
Packit Service 3880ab
Packit Service 3880ab
	parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifm), len);
Packit Service 3880ab
	if (!tb[IFLA_AF_SPEC])
Packit Service 3880ab
		return 0;
Packit Service 3880ab
Packit Service 3880ab
	switch (*subject) {
Packit Service 3880ab
	case VLAN_SHOW_VLAN:
Packit Service 3880ab
		print_vlan_info(tb[IFLA_AF_SPEC], ifm->ifi_index);
Packit Service 3880ab
		break;
Packit Service 3880ab
	case VLAN_SHOW_TUNNELINFO:
Packit Service 3880ab
		print_vlan_tunnel_info(tb[IFLA_AF_SPEC], ifm->ifi_index);
Packit Service 3880ab
		break;
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	return 0;
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static void print_vlan_flags(__u16 flags)
Packit Service 3880ab
{
Packit Service 3880ab
	if (flags == 0)
Packit Service 3880ab
		return;
Packit Service 3880ab
Packit Service 3880ab
	open_json_array(PRINT_JSON, "flags");
Packit Service 3880ab
	if (flags & BRIDGE_VLAN_INFO_PVID)
Packit Service 3880ab
		print_string(PRINT_ANY, NULL, " %s", "PVID");
Packit Service 3880ab
Packit Service 3880ab
	if (flags & BRIDGE_VLAN_INFO_UNTAGGED)
Packit Service 3880ab
		print_string(PRINT_ANY, NULL, " %s", "Egress Untagged");
Packit Service 3880ab
	close_json_array(PRINT_JSON, NULL);
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static void print_one_vlan_stats(const struct bridge_vlan_xstats *vstats)
Packit Service 3880ab
{
Packit Service 3880ab
	open_json_object(NULL);
Packit Service 3880ab
Packit Service 3880ab
	print_hu(PRINT_ANY, "vid", "%hu", vstats->vid);
Packit Service 3880ab
	print_vlan_flags(vstats->flags);
Packit Service 3880ab
	print_nl();
Packit Service 3880ab
Packit Service 3880ab
	print_string(PRINT_FP, NULL, "%-" __stringify(IFNAMSIZ) "s    ", "");
Packit Service 3880ab
	print_lluint(PRINT_ANY, "rx_bytes", "RX: %llu bytes",
Packit Service 3880ab
		     vstats->rx_bytes);
Packit Service 3880ab
	print_lluint(PRINT_ANY, "rx_packets", " %llu packets\n",
Packit Service 3880ab
		     vstats->rx_packets);
Packit Service 3880ab
Packit Service 3880ab
	print_string(PRINT_FP, NULL, "%-" __stringify(IFNAMSIZ) "s    ", "");
Packit Service 3880ab
	print_lluint(PRINT_ANY, "tx_bytes", "TX: %llu bytes",
Packit Service 3880ab
		     vstats->tx_bytes);
Packit Service 3880ab
	print_lluint(PRINT_ANY, "tx_packets", " %llu packets\n",
Packit Service 3880ab
		     vstats->tx_packets);
Packit Service 3880ab
Packit Service 3880ab
	close_json_object();
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static void print_vlan_stats_attr(struct rtattr *attr, int ifindex)
Packit Service 3880ab
{
Packit Service 3880ab
	struct rtattr *brtb[LINK_XSTATS_TYPE_MAX+1];
Packit Service 3880ab
	struct rtattr *i, *list;
Packit Service 3880ab
	bool found_vlan = false;
Packit Service 3880ab
	int rem;
Packit Service 3880ab
Packit Service 3880ab
	parse_rtattr(brtb, LINK_XSTATS_TYPE_MAX, RTA_DATA(attr),
Packit Service 3880ab
		     RTA_PAYLOAD(attr));
Packit Service 3880ab
	if (!brtb[LINK_XSTATS_TYPE_BRIDGE])
Packit Service 3880ab
		return;
Packit Service 3880ab
Packit Service 3880ab
	list = brtb[LINK_XSTATS_TYPE_BRIDGE];
Packit Service 3880ab
	rem = RTA_PAYLOAD(list);
Packit Service 3880ab
Packit Service 3880ab
	for (i = RTA_DATA(list); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
Packit Service 3880ab
		const struct bridge_vlan_xstats *vstats = RTA_DATA(i);
Packit Service 3880ab
Packit Service 3880ab
		if (i->rta_type != BRIDGE_XSTATS_VLAN)
Packit Service 3880ab
			continue;
Packit Service 3880ab
Packit Service 3880ab
		if (filter_vlan && filter_vlan != vstats->vid)
Packit Service 3880ab
			continue;
Packit Service 3880ab
Packit Service 3880ab
		/* skip pure port entries, they'll be dumped via the slave stats call */
Packit Service 3880ab
		if ((vstats->flags & BRIDGE_VLAN_INFO_MASTER) &&
Packit Service 3880ab
		    !(vstats->flags & BRIDGE_VLAN_INFO_BRENTRY))
Packit Service 3880ab
			continue;
Packit Service 3880ab
Packit Service 3880ab
		/* found vlan stats, first time print the interface name */
Packit Service 3880ab
		if (!found_vlan) {
Packit Service 3880ab
			open_vlan_port(ifindex, VLAN_SHOW_VLAN);
Packit Service 3880ab
			found_vlan = true;
Packit Service 3880ab
		} else {
Packit Service 3880ab
			print_string(PRINT_FP, NULL,
Packit Service 3880ab
				     "%-" __stringify(IFNAMSIZ) "s  ", "");
Packit Service 3880ab
		}
Packit Service 3880ab
		print_one_vlan_stats(vstats);
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	/* vlan_port is opened only if there are any vlan stats */
Packit Service 3880ab
	if (found_vlan)
Packit Service 3880ab
		close_vlan_port();
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static int print_vlan_stats(struct nlmsghdr *n, void *arg)
Packit Service 3880ab
{
Packit Service 3880ab
	struct if_stats_msg *ifsm = NLMSG_DATA(n);
Packit Service 3880ab
	struct rtattr *tb[IFLA_STATS_MAX+1];
Packit Service 3880ab
	int len = n->nlmsg_len;
Packit Service 3880ab
	FILE *fp = arg;
Packit Service 3880ab
Packit Service 3880ab
	len -= NLMSG_LENGTH(sizeof(*ifsm));
Packit Service 3880ab
	if (len < 0) {
Packit Service 3880ab
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
Packit Service 3880ab
		return -1;
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	if (filter_index && filter_index != ifsm->ifindex)
Packit Service 3880ab
		return 0;
Packit Service 3880ab
Packit Service 3880ab
	parse_rtattr(tb, IFLA_STATS_MAX, IFLA_STATS_RTA(ifsm), len);
Packit Service 3880ab
Packit Service 3880ab
	/* We have to check if any of the two attrs are usable */
Packit Service 3880ab
	if (tb[IFLA_STATS_LINK_XSTATS])
Packit Service 3880ab
		print_vlan_stats_attr(tb[IFLA_STATS_LINK_XSTATS],
Packit Service 3880ab
				      ifsm->ifindex);
Packit Service 3880ab
Packit Service 3880ab
	if (tb[IFLA_STATS_LINK_XSTATS_SLAVE])
Packit Service 3880ab
		print_vlan_stats_attr(tb[IFLA_STATS_LINK_XSTATS_SLAVE],
Packit Service 3880ab
				      ifsm->ifindex);
Packit Service 3880ab
Packit Service 3880ab
	fflush(fp);
Packit Service 3880ab
	return 0;
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
static int vlan_show(int argc, char **argv, int subject)
Packit Service 3880ab
{
Packit Service 3880ab
	char *filter_dev = NULL;
Packit Service 3880ab
	int ret = 0;
Packit Service 3880ab
Packit Service 3880ab
	while (argc > 0) {
Packit Service 3880ab
		if (strcmp(*argv, "dev") == 0) {
Packit Service 3880ab
			NEXT_ARG();
Packit Service 3880ab
			if (filter_dev)
Packit Service 3880ab
				duparg("dev", *argv);
Packit Service 3880ab
			filter_dev = *argv;
Packit Service 3880ab
		} else if (strcmp(*argv, "vid") == 0) {
Packit Service 3880ab
			NEXT_ARG();
Packit Service 3880ab
			if (filter_vlan)
Packit Service 3880ab
				duparg("vid", *argv);
Packit Service 3880ab
			filter_vlan = atoi(*argv);
Packit Service 3880ab
		}
Packit Service 3880ab
		argc--; argv++;
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	if (filter_dev) {
Packit Service 3880ab
		filter_index = ll_name_to_index(filter_dev);
Packit Service 3880ab
		if (!filter_index)
Packit Service 3880ab
			return nodev(filter_dev);
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	new_json_obj(json);
Packit Service 3880ab
Packit Service 3880ab
	if (!show_stats) {
Packit Service 3880ab
		if (rtnl_linkdump_req_filter(&rth, PF_BRIDGE,
Packit Service 3880ab
					     (compress_vlans ?
Packit Service 3880ab
					      RTEXT_FILTER_BRVLAN_COMPRESSED :
Packit Service 3880ab
					      RTEXT_FILTER_BRVLAN)) < 0) {
Packit Service 3880ab
			perror("Cannot send dump request");
Packit Service 3880ab
			exit(1);
Packit Service 3880ab
		}
Packit Service 3880ab
Packit Service 3880ab
		if (!is_json_context()) {
Packit Service 3880ab
			printf("%-" __stringify(IFNAMSIZ) "s  %-"
Packit Service 3880ab
			       __stringify(VLAN_ID_LEN) "s", "port",
Packit Service 3880ab
			       "vlan-id");
Packit Service 3880ab
			if (subject == VLAN_SHOW_TUNNELINFO)
Packit Service 3880ab
				printf("  tunnel-id");
Packit Service 3880ab
			printf("\n");
Packit Service 3880ab
		}
Packit Service 3880ab
Packit Service 3880ab
		ret = rtnl_dump_filter(&rth, print_vlan, &subject);
Packit Service 3880ab
		if (ret < 0) {
Packit Service 3880ab
			fprintf(stderr, "Dump terminated\n");
Packit Service 3880ab
			exit(1);
Packit Service 3880ab
		}
Packit Service 3880ab
	} else {
Packit Service 3880ab
		__u32 filt_mask;
Packit Service 3880ab
Packit Service 3880ab
		filt_mask = IFLA_STATS_FILTER_BIT(IFLA_STATS_LINK_XSTATS);
Packit Service 3880ab
		if (rtnl_statsdump_req_filter(&rth, AF_UNSPEC, filt_mask) < 0) {
Packit Service 3880ab
			perror("Cannot send dump request");
Packit Service 3880ab
			exit(1);
Packit Service 3880ab
		}
Packit Service 3880ab
Packit Service 3880ab
		if (!is_json_context())
Packit Service 3880ab
			printf("%-" __stringify(IFNAMSIZ) "s  vlan-id\n",
Packit Service 3880ab
			       "port");
Packit Service 3880ab
Packit Service 3880ab
		if (rtnl_dump_filter(&rth, print_vlan_stats, stdout) < 0) {
Packit Service 3880ab
			fprintf(stderr, "Dump terminated\n");
Packit Service 3880ab
			exit(1);
Packit Service 3880ab
		}
Packit Service 3880ab
Packit Service 3880ab
		filt_mask = IFLA_STATS_FILTER_BIT(IFLA_STATS_LINK_XSTATS_SLAVE);
Packit Service 3880ab
		if (rtnl_statsdump_req_filter(&rth, AF_UNSPEC, filt_mask) < 0) {
Packit Service 3880ab
			perror("Cannot send slave dump request");
Packit Service 3880ab
			exit(1);
Packit Service 3880ab
		}
Packit Service 3880ab
Packit Service 3880ab
		if (rtnl_dump_filter(&rth, print_vlan_stats, stdout) < 0) {
Packit Service 3880ab
			fprintf(stderr, "Dump terminated\n");
Packit Service 3880ab
			exit(1);
Packit Service 3880ab
		}
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	delete_json_obj();
Packit Service 3880ab
	fflush(stdout);
Packit Service 3880ab
	return 0;
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
void print_vlan_info(struct rtattr *tb, int ifindex)
Packit Service 3880ab
{
Packit Service 3880ab
	struct rtattr *i, *list = tb;
Packit Service 3880ab
	int rem = RTA_PAYLOAD(list);
Packit Service 3880ab
	__u16 last_vid_start = 0;
Packit Service 3880ab
	bool opened = false;
Packit Service 3880ab
Packit Service 3880ab
	for (i = RTA_DATA(list); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
Packit Service 3880ab
		struct bridge_vlan_info *vinfo;
Packit Service 3880ab
		int vcheck_ret;
Packit Service 3880ab
Packit Service 3880ab
		if (i->rta_type != IFLA_BRIDGE_VLAN_INFO)
Packit Service 3880ab
			continue;
Packit Service 3880ab
Packit Service 3880ab
		vinfo = RTA_DATA(i);
Packit Service 3880ab
Packit Service 3880ab
		if (!(vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END))
Packit Service 3880ab
			last_vid_start = vinfo->vid;
Packit Service 3880ab
		vcheck_ret = filter_vlan_check(vinfo->vid, vinfo->flags);
Packit Service 3880ab
		if (vcheck_ret == -1)
Packit Service 3880ab
			break;
Packit Service 3880ab
		else if (vcheck_ret == 0)
Packit Service 3880ab
			continue;
Packit Service 3880ab
Packit Service 3880ab
		if (!opened) {
Packit Service 3880ab
			open_vlan_port(ifindex, VLAN_SHOW_VLAN);
Packit Service 3880ab
			opened = true;
Packit Service 3880ab
		} else {
Packit Service 3880ab
			print_string(PRINT_FP, NULL, "%-"
Packit Service 3880ab
				     __stringify(IFNAMSIZ) "s  ", "");
Packit Service 3880ab
		}
Packit Service 3880ab
Packit Service 3880ab
		open_json_object(NULL);
Packit Service 3880ab
		print_range("vlan", last_vid_start, vinfo->vid);
Packit Service 3880ab
Packit Service 3880ab
		print_vlan_flags(vinfo->flags);
Packit Service 3880ab
		close_json_object();
Packit Service 3880ab
		print_nl();
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	if (opened)
Packit Service 3880ab
		close_vlan_port();
Packit Service 3880ab
}
Packit Service 3880ab
Packit Service 3880ab
int do_vlan(int argc, char **argv)
Packit Service 3880ab
{
Packit Service 3880ab
	ll_init_map(&rth);
Packit Service 3880ab
Packit Service 3880ab
	if (argc > 0) {
Packit Service 3880ab
		if (matches(*argv, "add") == 0)
Packit Service 3880ab
			return vlan_modify(RTM_SETLINK, argc-1, argv+1);
Packit Service 3880ab
		if (matches(*argv, "delete") == 0)
Packit Service 3880ab
			return vlan_modify(RTM_DELLINK, argc-1, argv+1);
Packit Service 3880ab
		if (matches(*argv, "show") == 0 ||
Packit Service 3880ab
		    matches(*argv, "lst") == 0 ||
Packit Service 3880ab
		    matches(*argv, "list") == 0)
Packit Service 3880ab
			return vlan_show(argc-1, argv+1, VLAN_SHOW_VLAN);
Packit Service 3880ab
		if (matches(*argv, "tunnelshow") == 0) {
Packit Service 3880ab
			return vlan_show(argc-1, argv+1, VLAN_SHOW_TUNNELINFO);
Packit Service 3880ab
		}
Packit Service 3880ab
		if (matches(*argv, "help") == 0)
Packit Service 3880ab
			usage();
Packit Service 3880ab
	} else {
Packit Service 3880ab
		return vlan_show(0, NULL, VLAN_SHOW_VLAN);
Packit Service 3880ab
	}
Packit Service 3880ab
Packit Service 3880ab
	fprintf(stderr, "Command \"%s\" is unknown, try \"bridge vlan help\".\n", *argv);
Packit Service 3880ab
	exit(-1);
Packit Service 3880ab
}