Blame bridge/vlan.c

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/* SPDX-License-Identifier: GPL-2.0 */
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <linux/if_bridge.h>
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#include <linux/if_ether.h>
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#include <string.h>
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#include "json_print.h"
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#include "libnetlink.h"
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#include "br_common.h"
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#include "utils.h"
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static unsigned int filter_index, filter_vlan;
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static int show_vlan_tunnel_info = 0;
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static void usage(void)
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{
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	fprintf(stderr,
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		"Usage: bridge vlan { add | del } vid VLAN_ID dev DEV [ tunnel_info id TUNNEL_ID ]\n"
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		"                                                     [ pvid ] [ untagged ]\n"
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		"                                                     [ self ] [ master ]\n"
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		"       bridge vlan { show } [ dev DEV ] [ vid VLAN_ID ]\n"
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		"       bridge vlan { tunnelshow } [ dev DEV ] [ vid VLAN_ID ]\n");
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	exit(-1);
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}
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static int parse_tunnel_info(int *argcp, char ***argvp, __u32 *tun_id_start,
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			     __u32 *tun_id_end)
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{
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	char **argv = *argvp;
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	int argc = *argcp;
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	char *t;
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	NEXT_ARG();
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	if (!matches(*argv, "id")) {
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		NEXT_ARG();
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		t = strchr(*argv, '-');
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		if (t) {
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			*t = '\0';
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			if (get_u32(tun_id_start, *argv, 0) ||
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				    *tun_id_start >= 1u << 24)
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				invarg("invalid tun id", *argv);
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			if (get_u32(tun_id_end, t + 1, 0) ||
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				    *tun_id_end >= 1u << 24)
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				invarg("invalid tun id", *argv);
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		} else {
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			if (get_u32(tun_id_start, *argv, 0) ||
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				    *tun_id_start >= 1u << 24)
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				invarg("invalid tun id", *argv);
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		}
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	} else {
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		invarg("tunnel id expected", *argv);
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	}
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	*argcp = argc;
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	*argvp = argv;
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	return 0;
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}
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static int add_tunnel_info(struct nlmsghdr *n, int reqsize,
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			   __u16 vid, __u32 tun_id, __u16 flags)
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{
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	struct rtattr *tinfo;
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	tinfo = addattr_nest(n, reqsize, IFLA_BRIDGE_VLAN_TUNNEL_INFO);
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	addattr32(n, reqsize, IFLA_BRIDGE_VLAN_TUNNEL_ID, tun_id);
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	addattr32(n, reqsize, IFLA_BRIDGE_VLAN_TUNNEL_VID, vid);
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	addattr32(n, reqsize, IFLA_BRIDGE_VLAN_TUNNEL_FLAGS, flags);
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	addattr_nest_end(n, tinfo);
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	return 0;
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}
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static int add_tunnel_info_range(struct nlmsghdr *n, int reqsize,
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				 __u16 vid_start, int16_t vid_end,
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				 __u32 tun_id_start, __u32 tun_id_end)
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{
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	if (vid_end != -1 && (vid_end - vid_start) > 0) {
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		add_tunnel_info(n, reqsize, vid_start, tun_id_start,
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				BRIDGE_VLAN_INFO_RANGE_BEGIN);
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		add_tunnel_info(n, reqsize, vid_end, tun_id_end,
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				BRIDGE_VLAN_INFO_RANGE_END);
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	} else {
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		add_tunnel_info(n, reqsize, vid_start, tun_id_start, 0);
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	}
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	return 0;
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}
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static int add_vlan_info_range(struct nlmsghdr *n, int reqsize, __u16 vid_start,
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			       int16_t vid_end, __u16 flags)
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{
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	struct bridge_vlan_info vinfo = {};
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	vinfo.flags = flags;
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	vinfo.vid = vid_start;
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	if (vid_end != -1) {
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		/* send vlan range start */
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		addattr_l(n, reqsize, IFLA_BRIDGE_VLAN_INFO, &vinfo,
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			  sizeof(vinfo));
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		vinfo.flags &= ~BRIDGE_VLAN_INFO_RANGE_BEGIN;
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		/* Now send the vlan range end */
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		vinfo.flags |= BRIDGE_VLAN_INFO_RANGE_END;
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		vinfo.vid = vid_end;
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		addattr_l(n, reqsize, IFLA_BRIDGE_VLAN_INFO, &vinfo,
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			  sizeof(vinfo));
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	} else {
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		addattr_l(n, reqsize, IFLA_BRIDGE_VLAN_INFO, &vinfo,
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			  sizeof(vinfo));
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	}
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	return 0;
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}
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static int vlan_modify(int cmd, int argc, char **argv)
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{
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	struct {
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		struct nlmsghdr	n;
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		struct ifinfomsg	ifm;
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		char			buf[1024];
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	} req = {
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		.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)),
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		.n.nlmsg_flags = NLM_F_REQUEST,
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		.n.nlmsg_type = cmd,
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		.ifm.ifi_family = PF_BRIDGE,
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	};
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	char *d = NULL;
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	short vid = -1;
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	short vid_end = -1;
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	struct rtattr *afspec;
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	struct bridge_vlan_info vinfo = {};
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	bool tunnel_info_set = false;
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	unsigned short flags = 0;
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	__u32 tun_id_start = 0;
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	__u32 tun_id_end = 0;
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	while (argc > 0) {
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		if (strcmp(*argv, "dev") == 0) {
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			NEXT_ARG();
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			d = *argv;
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		} else if (strcmp(*argv, "vid") == 0) {
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			char *p;
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			NEXT_ARG();
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			p = strchr(*argv, '-');
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			if (p) {
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				*p = '\0';
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				p++;
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				vid = atoi(*argv);
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				vid_end = atoi(p);
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				vinfo.flags |= BRIDGE_VLAN_INFO_RANGE_BEGIN;
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			} else {
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				vid = atoi(*argv);
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			}
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		} else if (strcmp(*argv, "self") == 0) {
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			flags |= BRIDGE_FLAGS_SELF;
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		} else if (strcmp(*argv, "master") == 0) {
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			flags |= BRIDGE_FLAGS_MASTER;
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		} else if (strcmp(*argv, "pvid") == 0) {
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			vinfo.flags |= BRIDGE_VLAN_INFO_PVID;
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		} else if (strcmp(*argv, "untagged") == 0) {
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			vinfo.flags |= BRIDGE_VLAN_INFO_UNTAGGED;
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		} else if (strcmp(*argv, "tunnel_info") == 0) {
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				if (parse_tunnel_info(&argc, &argv,
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						      &tun_id_start,
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						      &tun_id_end))
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					return -1;
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				tunnel_info_set = true;
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		} else {
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			if (matches(*argv, "help") == 0)
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				NEXT_ARG();
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		}
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		argc--; argv++;
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	}
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	if (d == NULL || vid == -1) {
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		fprintf(stderr, "Device and VLAN ID are required arguments.\n");
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		return -1;
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	}
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	req.ifm.ifi_index = ll_name_to_index(d);
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	if (req.ifm.ifi_index == 0) {
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		fprintf(stderr, "Cannot find bridge device \"%s\"\n", d);
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		return -1;
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	}
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	if (vid >= 4096) {
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		fprintf(stderr, "Invalid VLAN ID \"%hu\"\n", vid);
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		return -1;
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	}
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	if (vinfo.flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) {
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		if (vid_end == -1 || vid_end >= 4096 || vid >= vid_end) {
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			fprintf(stderr, "Invalid VLAN range \"%hu-%hu\"\n",
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				vid, vid_end);
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			return -1;
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		}
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		if (vinfo.flags & BRIDGE_VLAN_INFO_PVID) {
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			fprintf(stderr,
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				"pvid cannot be configured for a vlan range\n");
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			return -1;
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		}
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	}
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	afspec = addattr_nest(&req.n, sizeof(req), IFLA_AF_SPEC);
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	if (flags)
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		addattr16(&req.n, sizeof(req), IFLA_BRIDGE_FLAGS, flags);
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	if (tunnel_info_set)
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		add_tunnel_info_range(&req.n, sizeof(req), vid, vid_end,
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				      tun_id_start, tun_id_end);
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	else
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		add_vlan_info_range(&req.n, sizeof(req), vid, vid_end,
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				    vinfo.flags);
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	addattr_nest_end(&req.n, afspec);
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	if (rtnl_talk(&rth, &req.n, NULL) < 0)
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		return -1;
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	return 0;
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}
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/* In order to use this function for both filtering and non-filtering cases
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 * we need to make it a tristate:
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 * return -1 - if filtering we've gone over so don't continue
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 * return  0 - skip entry and continue (applies to range start or to entries
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 *             which are less than filter_vlan)
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 * return  1 - print the entry and continue
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 */
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static int filter_vlan_check(__u16 vid, __u16 flags)
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{
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	/* if we're filtering we should stop on the first greater entry */
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	if (filter_vlan && vid > filter_vlan &&
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	    !(flags & BRIDGE_VLAN_INFO_RANGE_END))
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		return -1;
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	if ((flags & BRIDGE_VLAN_INFO_RANGE_BEGIN) ||
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	    vid < filter_vlan)
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		return 0;
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	return 1;
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}
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static void open_vlan_port(int ifi_index, const char *fmt)
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{
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	open_json_object(NULL);
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	print_color_string(PRINT_ANY, COLOR_IFNAME, "ifname", fmt,
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			   ll_index_to_name(ifi_index));
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	open_json_array(PRINT_JSON, "vlans");
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}
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static void close_vlan_port(void)
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{
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	close_json_array(PRINT_JSON, NULL);
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	close_json_object();
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}
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static void print_range(const char *name, __u16 start, __u16 id)
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{
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	char end[64];
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	snprintf(end, sizeof(end), "%sEnd", name);
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	print_hu(PRINT_ANY, name, "\t %hu", start);
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	if (start != id)
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		print_hu(PRINT_ANY, end, "-%hu", id);
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}
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static void print_vlan_tunnel_info(FILE *fp, struct rtattr *tb, int ifindex)
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{
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	struct rtattr *i, *list = tb;
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	int rem = RTA_PAYLOAD(list);
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	__u16 last_vid_start = 0;
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	__u32 last_tunid_start = 0;
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	if (!filter_vlan)
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		open_vlan_port(ifindex, "%s");
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	open_json_array(PRINT_JSON, "tunnel");
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	for (i = RTA_DATA(list); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
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		struct rtattr *ttb[IFLA_BRIDGE_VLAN_TUNNEL_MAX+1];
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		__u32 tunnel_id = 0;
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		__u16 tunnel_vid = 0;
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		__u16 tunnel_flags = 0;
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		int vcheck_ret;
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		if (i->rta_type != IFLA_BRIDGE_VLAN_TUNNEL_INFO)
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			continue;
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		parse_rtattr(ttb, IFLA_BRIDGE_VLAN_TUNNEL_MAX,
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			     RTA_DATA(i), RTA_PAYLOAD(i));
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		if (ttb[IFLA_BRIDGE_VLAN_TUNNEL_VID])
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			tunnel_vid =
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				rta_getattr_u32(ttb[IFLA_BRIDGE_VLAN_TUNNEL_VID]);
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		else
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			continue;
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		if (ttb[IFLA_BRIDGE_VLAN_TUNNEL_ID])
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			tunnel_id =
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				rta_getattr_u32(ttb[IFLA_BRIDGE_VLAN_TUNNEL_ID]);
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		if (ttb[IFLA_BRIDGE_VLAN_TUNNEL_FLAGS])
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			tunnel_flags =
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				rta_getattr_u32(ttb[IFLA_BRIDGE_VLAN_TUNNEL_FLAGS]);
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		if (!(tunnel_flags & BRIDGE_VLAN_INFO_RANGE_END)) {
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			last_vid_start = tunnel_vid;
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			last_tunid_start = tunnel_id;
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		}
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		vcheck_ret = filter_vlan_check(tunnel_vid, tunnel_flags);
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		if (vcheck_ret == -1)
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			break;
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		else if (vcheck_ret == 0)
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			continue;
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		if (tunnel_flags & BRIDGE_VLAN_INFO_RANGE_BEGIN)
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			continue;
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		if (filter_vlan)
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			open_vlan_port(ifindex, "%s");
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		open_json_object(NULL);
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		print_range("vlan", last_vid_start, tunnel_vid);
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		print_range("tunid", last_tunid_start, tunnel_id);
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		close_json_object();
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		print_string(PRINT_FP, NULL, "%s", _SL_);
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		if (filter_vlan)
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			close_vlan_port();
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	}
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	if (!filter_vlan)
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		close_vlan_port();
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}
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static int print_vlan_tunnel(struct nlmsghdr *n, void *arg)
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{
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	struct ifinfomsg *ifm = NLMSG_DATA(n);
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	struct rtattr *tb[IFLA_MAX+1];
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	int len = n->nlmsg_len;
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	FILE *fp = arg;
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	if (n->nlmsg_type != RTM_NEWLINK) {
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		fprintf(stderr, "Not RTM_NEWLINK: %08x %08x %08x\n",
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			n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
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		return 0;
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	}
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	len -= NLMSG_LENGTH(sizeof(*ifm));
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	if (len < 0) {
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		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
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		return -1;
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	}
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	if (ifm->ifi_family != AF_BRIDGE)
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		return 0;
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	if (filter_index && filter_index != ifm->ifi_index)
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		return 0;
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	parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifm), len);
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	/* if AF_SPEC isn't there, vlan table is not preset for this port */
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	if (!tb[IFLA_AF_SPEC]) {
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		if (!filter_vlan && !is_json_context()) {
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			color_fprintf(fp, COLOR_IFNAME, "%s",
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				      ll_index_to_name(ifm->ifi_index));
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			fprintf(fp, "\tNone\n");
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		}
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		return 0;
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	}
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	print_vlan_tunnel_info(fp, tb[IFLA_AF_SPEC], ifm->ifi_index);
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	fflush(fp);
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	return 0;
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}
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static int print_vlan(struct nlmsghdr *n, void *arg)
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{
Packit d3f73b
	FILE *fp = arg;
Packit d3f73b
	struct ifinfomsg *ifm = NLMSG_DATA(n);
Packit d3f73b
	int len = n->nlmsg_len;
Packit d3f73b
	struct rtattr *tb[IFLA_MAX+1];
Packit d3f73b
Packit d3f73b
	if (n->nlmsg_type != RTM_NEWLINK) {
Packit d3f73b
		fprintf(stderr, "Not RTM_NEWLINK: %08x %08x %08x\n",
Packit d3f73b
			n->nlmsg_len, n->nlmsg_type, n->nlmsg_flags);
Packit d3f73b
		return 0;
Packit d3f73b
	}
Packit d3f73b
Packit d3f73b
	len -= NLMSG_LENGTH(sizeof(*ifm));
Packit d3f73b
	if (len < 0) {
Packit d3f73b
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
Packit d3f73b
		return -1;
Packit d3f73b
	}
Packit d3f73b
Packit d3f73b
	if (ifm->ifi_family != AF_BRIDGE)
Packit d3f73b
		return 0;
Packit d3f73b
Packit d3f73b
	if (filter_index && filter_index != ifm->ifi_index)
Packit d3f73b
		return 0;
Packit d3f73b
Packit d3f73b
	parse_rtattr(tb, IFLA_MAX, IFLA_RTA(ifm), len);
Packit d3f73b
Packit d3f73b
	/* if AF_SPEC isn't there, vlan table is not preset for this port */
Packit d3f73b
	if (!tb[IFLA_AF_SPEC]) {
Packit d3f73b
		if (!filter_vlan && !is_json_context()) {
Packit d3f73b
			color_fprintf(fp, COLOR_IFNAME, "%s",
Packit d3f73b
				      ll_index_to_name(ifm->ifi_index));
Packit d3f73b
			fprintf(fp, "\tNone\n");
Packit d3f73b
		}
Packit d3f73b
		return 0;
Packit d3f73b
	}
Packit d3f73b
Packit d3f73b
	print_vlan_info(tb[IFLA_AF_SPEC], ifm->ifi_index);
Packit d3f73b
	print_string(PRINT_FP, NULL, "%s", _SL_);
Packit d3f73b
Packit d3f73b
	fflush(fp);
Packit d3f73b
	return 0;
Packit d3f73b
}
Packit d3f73b
Packit d3f73b
static void print_vlan_flags(__u16 flags)
Packit d3f73b
{
Packit d3f73b
	if (flags == 0)
Packit d3f73b
		return;
Packit d3f73b
Packit d3f73b
	open_json_array(PRINT_JSON, "flags");
Packit d3f73b
	if (flags & BRIDGE_VLAN_INFO_PVID)
Packit d3f73b
		print_string(PRINT_ANY, NULL, " %s", "PVID");
Packit d3f73b
Packit d3f73b
	if (flags & BRIDGE_VLAN_INFO_UNTAGGED)
Packit d3f73b
		print_string(PRINT_ANY, NULL, " %s", "Egress Untagged");
Packit d3f73b
	close_json_array(PRINT_JSON, NULL);
Packit d3f73b
}
Packit d3f73b
Packit d3f73b
static void print_one_vlan_stats(const struct bridge_vlan_xstats *vstats)
Packit d3f73b
{
Packit d3f73b
	open_json_object(NULL);
Packit d3f73b
	print_hu(PRINT_ANY, "vid", " %hu", vstats->vid);
Packit d3f73b
Packit d3f73b
	print_vlan_flags(vstats->flags);
Packit d3f73b
Packit d3f73b
	print_lluint(PRINT_ANY, "rx_bytes",
Packit d3f73b
		     "\n                   RX: %llu bytes",
Packit d3f73b
		     vstats->rx_bytes);
Packit d3f73b
	print_lluint(PRINT_ANY, "rx_packets", " %llu packets\n",
Packit d3f73b
		vstats->rx_packets);
Packit d3f73b
	print_lluint(PRINT_ANY, "tx_bytes",
Packit d3f73b
		     "                   TX: %llu bytes",
Packit d3f73b
		     vstats->tx_bytes);
Packit d3f73b
	print_lluint(PRINT_ANY, "tx_packets", " %llu packets\n",
Packit d3f73b
		vstats->tx_packets);
Packit d3f73b
	close_json_object();
Packit d3f73b
}
Packit d3f73b
Packit d3f73b
static void print_vlan_stats_attr(struct rtattr *attr, int ifindex)
Packit d3f73b
{
Packit d3f73b
	struct rtattr *brtb[LINK_XSTATS_TYPE_MAX+1];
Packit d3f73b
	struct rtattr *i, *list;
Packit d3f73b
	bool found_vlan = false;
Packit d3f73b
	int rem;
Packit d3f73b
Packit d3f73b
	parse_rtattr(brtb, LINK_XSTATS_TYPE_MAX, RTA_DATA(attr),
Packit d3f73b
		     RTA_PAYLOAD(attr));
Packit d3f73b
	if (!brtb[LINK_XSTATS_TYPE_BRIDGE])
Packit d3f73b
		return;
Packit d3f73b
Packit d3f73b
	list = brtb[LINK_XSTATS_TYPE_BRIDGE];
Packit d3f73b
	rem = RTA_PAYLOAD(list);
Packit d3f73b
Packit d3f73b
	for (i = RTA_DATA(list); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
Packit d3f73b
		const struct bridge_vlan_xstats *vstats = RTA_DATA(i);
Packit d3f73b
Packit d3f73b
		if (i->rta_type != BRIDGE_XSTATS_VLAN)
Packit d3f73b
			continue;
Packit d3f73b
Packit d3f73b
		if (filter_vlan && filter_vlan != vstats->vid)
Packit d3f73b
			continue;
Packit d3f73b
Packit d3f73b
		/* skip pure port entries, they'll be dumped via the slave stats call */
Packit d3f73b
		if ((vstats->flags & BRIDGE_VLAN_INFO_MASTER) &&
Packit d3f73b
		    !(vstats->flags & BRIDGE_VLAN_INFO_BRENTRY))
Packit d3f73b
			continue;
Packit d3f73b
Packit d3f73b
		/* found vlan stats, first time print the interface name */
Packit d3f73b
		if (!found_vlan) {
Packit d3f73b
			open_vlan_port(ifindex, "%-16s");
Packit d3f73b
			found_vlan = true;
Packit d3f73b
		} else {
Packit d3f73b
			print_string(PRINT_FP, NULL, "%-16s", "");
Packit d3f73b
		}
Packit d3f73b
		print_one_vlan_stats(vstats);
Packit d3f73b
	}
Packit d3f73b
Packit d3f73b
	/* vlan_port is opened only if there are any vlan stats */
Packit d3f73b
	if (found_vlan)
Packit d3f73b
		close_vlan_port();
Packit d3f73b
}
Packit d3f73b
Packit d3f73b
static int print_vlan_stats(struct nlmsghdr *n, void *arg)
Packit d3f73b
{
Packit d3f73b
	struct if_stats_msg *ifsm = NLMSG_DATA(n);
Packit d3f73b
	struct rtattr *tb[IFLA_STATS_MAX+1];
Packit d3f73b
	int len = n->nlmsg_len;
Packit d3f73b
	FILE *fp = arg;
Packit d3f73b
Packit d3f73b
	len -= NLMSG_LENGTH(sizeof(*ifsm));
Packit d3f73b
	if (len < 0) {
Packit d3f73b
		fprintf(stderr, "BUG: wrong nlmsg len %d\n", len);
Packit d3f73b
		return -1;
Packit d3f73b
	}
Packit d3f73b
Packit d3f73b
	if (filter_index && filter_index != ifsm->ifindex)
Packit d3f73b
		return 0;
Packit d3f73b
Packit d3f73b
	parse_rtattr(tb, IFLA_STATS_MAX, IFLA_STATS_RTA(ifsm), len);
Packit d3f73b
Packit d3f73b
	/* We have to check if any of the two attrs are usable */
Packit d3f73b
	if (tb[IFLA_STATS_LINK_XSTATS])
Packit d3f73b
		print_vlan_stats_attr(tb[IFLA_STATS_LINK_XSTATS],
Packit d3f73b
				      ifsm->ifindex);
Packit d3f73b
Packit d3f73b
	if (tb[IFLA_STATS_LINK_XSTATS_SLAVE])
Packit d3f73b
		print_vlan_stats_attr(tb[IFLA_STATS_LINK_XSTATS_SLAVE],
Packit d3f73b
				      ifsm->ifindex);
Packit d3f73b
Packit d3f73b
	fflush(fp);
Packit d3f73b
	return 0;
Packit d3f73b
}
Packit d3f73b
Packit d3f73b
static int vlan_show(int argc, char **argv)
Packit d3f73b
{
Packit d3f73b
	char *filter_dev = NULL;
Packit d3f73b
	int ret = 0;
Packit d3f73b
Packit d3f73b
	while (argc > 0) {
Packit d3f73b
		if (strcmp(*argv, "dev") == 0) {
Packit d3f73b
			NEXT_ARG();
Packit d3f73b
			if (filter_dev)
Packit d3f73b
				duparg("dev", *argv);
Packit d3f73b
			filter_dev = *argv;
Packit d3f73b
		} else if (strcmp(*argv, "vid") == 0) {
Packit d3f73b
			NEXT_ARG();
Packit d3f73b
			if (filter_vlan)
Packit d3f73b
				duparg("vid", *argv);
Packit d3f73b
			filter_vlan = atoi(*argv);
Packit d3f73b
		}
Packit d3f73b
		argc--; argv++;
Packit d3f73b
	}
Packit d3f73b
Packit d3f73b
	if (filter_dev) {
Packit d3f73b
		filter_index = ll_name_to_index(filter_dev);
Packit d3f73b
		if (!filter_index)
Packit d3f73b
			return nodev(filter_dev);
Packit d3f73b
	}
Packit d3f73b
Packit d3f73b
	new_json_obj(json);
Packit d3f73b
Packit d3f73b
	if (!show_stats) {
Packit d3f73b
		if (rtnl_linkdump_req_filter(&rth, PF_BRIDGE,
Packit d3f73b
					     (compress_vlans ?
Packit d3f73b
					      RTEXT_FILTER_BRVLAN_COMPRESSED :
Packit d3f73b
					      RTEXT_FILTER_BRVLAN)) < 0) {
Packit d3f73b
			perror("Cannont send dump request");
Packit d3f73b
			exit(1);
Packit d3f73b
		}
Packit d3f73b
Packit d3f73b
		if (!is_json_context()) {
Packit d3f73b
			if (show_vlan_tunnel_info)
Packit d3f73b
				printf("port\tvlan ids\ttunnel id\n");
Packit d3f73b
			else
Packit d3f73b
				printf("port\tvlan ids\n");
Packit d3f73b
		}
Packit d3f73b
Packit d3f73b
		if (show_vlan_tunnel_info)
Packit d3f73b
			ret = rtnl_dump_filter(&rth, print_vlan_tunnel,
Packit d3f73b
					       stdout);
Packit d3f73b
		else
Packit d3f73b
			ret = rtnl_dump_filter(&rth, print_vlan, stdout);
Packit d3f73b
		if (ret < 0) {
Packit d3f73b
			fprintf(stderr, "Dump ternminated\n");
Packit d3f73b
			exit(1);
Packit d3f73b
		}
Packit d3f73b
	} else {
Packit d3f73b
		__u32 filt_mask;
Packit d3f73b
Packit d3f73b
		filt_mask = IFLA_STATS_FILTER_BIT(IFLA_STATS_LINK_XSTATS);
Packit d3f73b
		if (rtnl_statsdump_req_filter(&rth, AF_UNSPEC, filt_mask) < 0) {
Packit d3f73b
			perror("Cannont send dump request");
Packit d3f73b
			exit(1);
Packit d3f73b
		}
Packit d3f73b
Packit d3f73b
		if (!is_json_context())
Packit d3f73b
			printf("%-16s vlan id\n", "port");
Packit d3f73b
Packit d3f73b
		if (rtnl_dump_filter(&rth, print_vlan_stats, stdout) < 0) {
Packit d3f73b
			fprintf(stderr, "Dump terminated\n");
Packit d3f73b
			exit(1);
Packit d3f73b
		}
Packit d3f73b
Packit d3f73b
		filt_mask = IFLA_STATS_FILTER_BIT(IFLA_STATS_LINK_XSTATS_SLAVE);
Packit d3f73b
		if (rtnl_statsdump_req_filter(&rth, AF_UNSPEC, filt_mask) < 0) {
Packit d3f73b
			perror("Cannont send slave dump request");
Packit d3f73b
			exit(1);
Packit d3f73b
		}
Packit d3f73b
Packit d3f73b
		if (rtnl_dump_filter(&rth, print_vlan_stats, stdout) < 0) {
Packit d3f73b
			fprintf(stderr, "Dump terminated\n");
Packit d3f73b
			exit(1);
Packit d3f73b
		}
Packit d3f73b
	}
Packit d3f73b
Packit d3f73b
	delete_json_obj();
Packit d3f73b
	fflush(stdout);
Packit d3f73b
	return 0;
Packit d3f73b
}
Packit d3f73b
Packit d3f73b
void print_vlan_info(struct rtattr *tb, int ifindex)
Packit d3f73b
{
Packit d3f73b
	struct rtattr *i, *list = tb;
Packit d3f73b
	int rem = RTA_PAYLOAD(list);
Packit d3f73b
	__u16 last_vid_start = 0;
Packit d3f73b
Packit d3f73b
	open_vlan_port(ifindex, "%s");
Packit d3f73b
Packit d3f73b
	for (i = RTA_DATA(list); RTA_OK(i, rem); i = RTA_NEXT(i, rem)) {
Packit d3f73b
		struct bridge_vlan_info *vinfo;
Packit d3f73b
		int vcheck_ret;
Packit d3f73b
Packit d3f73b
		if (i->rta_type != IFLA_BRIDGE_VLAN_INFO)
Packit d3f73b
			continue;
Packit d3f73b
Packit d3f73b
		vinfo = RTA_DATA(i);
Packit d3f73b
Packit d3f73b
		if (!(vinfo->flags & BRIDGE_VLAN_INFO_RANGE_END))
Packit d3f73b
			last_vid_start = vinfo->vid;
Packit d3f73b
		vcheck_ret = filter_vlan_check(vinfo->vid, vinfo->flags);
Packit d3f73b
		if (vcheck_ret == -1)
Packit d3f73b
			break;
Packit d3f73b
		else if (vcheck_ret == 0)
Packit d3f73b
			continue;
Packit d3f73b
Packit d3f73b
		open_json_object(NULL);
Packit d3f73b
		print_range("vlan", last_vid_start, vinfo->vid);
Packit d3f73b
Packit d3f73b
		print_vlan_flags(vinfo->flags);
Packit d3f73b
		close_json_object();
Packit d3f73b
		print_string(PRINT_FP, NULL, "%s", _SL_);
Packit d3f73b
	}
Packit d3f73b
	close_vlan_port();
Packit d3f73b
}
Packit d3f73b
Packit d3f73b
int do_vlan(int argc, char **argv)
Packit d3f73b
{
Packit d3f73b
	ll_init_map(&rth);
Packit d3f73b
Packit d3f73b
	if (argc > 0) {
Packit d3f73b
		if (matches(*argv, "add") == 0)
Packit d3f73b
			return vlan_modify(RTM_SETLINK, argc-1, argv+1);
Packit d3f73b
		if (matches(*argv, "delete") == 0)
Packit d3f73b
			return vlan_modify(RTM_DELLINK, argc-1, argv+1);
Packit d3f73b
		if (matches(*argv, "show") == 0 ||
Packit d3f73b
		    matches(*argv, "lst") == 0 ||
Packit d3f73b
		    matches(*argv, "list") == 0)
Packit d3f73b
			return vlan_show(argc-1, argv+1);
Packit d3f73b
		if (matches(*argv, "tunnelshow") == 0) {
Packit d3f73b
			show_vlan_tunnel_info = 1;
Packit d3f73b
			return vlan_show(argc-1, argv+1);
Packit d3f73b
		}
Packit d3f73b
		if (matches(*argv, "help") == 0)
Packit d3f73b
			usage();
Packit d3f73b
	} else {
Packit d3f73b
		return vlan_show(0, NULL);
Packit d3f73b
	}
Packit d3f73b
Packit d3f73b
	fprintf(stderr, "Command \"%s\" is unknown, try \"bridge vlan help\".\n", *argv);
Packit d3f73b
	exit(-1);
Packit d3f73b
}