+/* SPDX-License-Identifier: GPL-2.0 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
+#include "json_print.h"
#include "libnetlink.h"
#include "utils.h"
#include "br_common.h"
[BR_STATE_BLOCKING] = "blocking",
};
-extern char *if_indextoname (unsigned int __ifindex, char *__ifname);
+static const char *hw_mode[] = {
+ "VEB", "VEPA"
+};
-static void print_link_flags(FILE *fp, unsigned flags)
+static void print_link_flags(FILE *fp, unsigned int flags, unsigned int mdown)
{
- fprintf(fp, "<");
+ open_json_array(PRINT_ANY, is_json_context() ? "flags" : "<");
if (flags & IFF_UP && !(flags & IFF_RUNNING))
- fprintf(fp, "NO-CARRIER%s", flags ? "," : "");
+ print_string(PRINT_ANY, NULL,
+ flags ? "%s," : "%s", "NO-CARRIER");
flags &= ~IFF_RUNNING;
-#define _PF(f) if (flags&IFF_##f) { \
- flags &= ~IFF_##f ; \
- fprintf(fp, #f "%s", flags ? "," : ""); }
+
+#define _PF(f) if (flags&IFF_##f) { \
+ flags &= ~IFF_##f ; \
+ print_string(PRINT_ANY, NULL, flags ? "%s," : "%s", #f); }
_PF(LOOPBACK);
_PF(BROADCAST);
_PF(POINTOPOINT);
_PF(DORMANT);
_PF(ECHO);
#undef _PF
- if (flags)
- fprintf(fp, "%x", flags);
- fprintf(fp, "> ");
+ if (flags)
+ print_hex(PRINT_ANY, NULL, "%x", flags);
+ if (mdown)
+ print_string(PRINT_ANY, NULL, ",%s", "M-DOWN");
+ close_json_array(PRINT_ANY, "> ");
}
-static const char *oper_states[] = {
- "UNKNOWN", "NOTPRESENT", "DOWN", "LOWERLAYERDOWN",
- "TESTING", "DORMANT", "UP"
-};
-
-static const char *hw_mode[] = {"VEB", "VEPA"};
+static void print_portstate(__u8 state)
+{
+ if (state <= BR_STATE_BLOCKING)
+ print_string(PRINT_ANY, "state",
+ "state %s ", port_states[state]);
+ else
+ print_uint(PRINT_ANY, "state",
+ "state (%d) ", state);
+}
-static void print_operstate(FILE *f, __u8 state)
+static void print_onoff(FILE *fp, const char *flag, __u8 val)
{
- if (state >= sizeof(oper_states)/sizeof(oper_states[0]))
- fprintf(f, "state %#x ", state);
+ if (is_json_context())
+ print_bool(PRINT_JSON, flag, NULL, val);
else
- fprintf(f, "state %s ", oper_states[state]);
+ fprintf(fp, "%s %s ", flag, val ? "on" : "off");
}
-static void print_portstate(FILE *f, __u8 state)
+static void print_hwmode(__u16 mode)
{
- if (state <= BR_STATE_BLOCKING)
- fprintf(f, "state %s ", port_states[state]);
+ if (mode >= ARRAY_SIZE(hw_mode))
+ print_0xhex(PRINT_ANY, "hwmode",
+ "hwmode %#llx ", mode);
else
- fprintf(f, "state (%d) ", state);
+ print_string(PRINT_ANY, "hwmode",
+ "hwmode %s ", hw_mode[mode]);
}
-static void print_onoff(FILE *f, char *flag, __u8 val)
+static void print_protinfo(FILE *fp, struct rtattr *attr)
{
- fprintf(f, "%s %s ", flag, val ? "on" : "off");
+ if (attr->rta_type & NLA_F_NESTED) {
+ struct rtattr *prtb[IFLA_BRPORT_MAX + 1];
+
+ parse_rtattr_nested(prtb, IFLA_BRPORT_MAX, attr);
+
+ if (prtb[IFLA_BRPORT_STATE])
+ print_portstate(rta_getattr_u8(prtb[IFLA_BRPORT_STATE]));
+
+ if (prtb[IFLA_BRPORT_PRIORITY])
+ print_uint(PRINT_ANY, "priority",
+ "priority %u ",
+ rta_getattr_u16(prtb[IFLA_BRPORT_PRIORITY]));
+
+ if (prtb[IFLA_BRPORT_COST])
+ print_uint(PRINT_ANY, "cost",
+ "cost %u ",
+ rta_getattr_u32(prtb[IFLA_BRPORT_COST]));
+
+ if (!show_details)
+ return;
+
+ if (!is_json_context())
+ fprintf(fp, "%s ", _SL_);
+
+ if (prtb[IFLA_BRPORT_MODE])
+ print_onoff(fp, "hairpin",
+ rta_getattr_u8(prtb[IFLA_BRPORT_MODE]));
+ if (prtb[IFLA_BRPORT_GUARD])
+ print_onoff(fp, "guard",
+ rta_getattr_u8(prtb[IFLA_BRPORT_GUARD]));
+ if (prtb[IFLA_BRPORT_PROTECT])
+ print_onoff(fp, "root_block",
+ rta_getattr_u8(prtb[IFLA_BRPORT_PROTECT]));
+ if (prtb[IFLA_BRPORT_FAST_LEAVE])
+ print_onoff(fp, "fastleave",
+ rta_getattr_u8(prtb[IFLA_BRPORT_FAST_LEAVE]));
+ if (prtb[IFLA_BRPORT_LEARNING])
+ print_onoff(fp, "learning",
+ rta_getattr_u8(prtb[IFLA_BRPORT_LEARNING]));
+ if (prtb[IFLA_BRPORT_LEARNING_SYNC])
+ print_onoff(fp, "learning_sync",
+ rta_getattr_u8(prtb[IFLA_BRPORT_LEARNING_SYNC]));
+ if (prtb[IFLA_BRPORT_UNICAST_FLOOD])
+ print_onoff(fp, "flood",
+ rta_getattr_u8(prtb[IFLA_BRPORT_UNICAST_FLOOD]));
+ if (prtb[IFLA_BRPORT_MCAST_FLOOD])
+ print_onoff(fp, "mcast_flood",
+ rta_getattr_u8(prtb[IFLA_BRPORT_MCAST_FLOOD]));
+ if (prtb[IFLA_BRPORT_NEIGH_SUPPRESS])
+ print_onoff(fp, "neigh_suppress",
+ rta_getattr_u8(prtb[IFLA_BRPORT_NEIGH_SUPPRESS]));
+ if (prtb[IFLA_BRPORT_VLAN_TUNNEL])
+ print_onoff(fp, "vlan_tunnel",
+ rta_getattr_u8(prtb[IFLA_BRPORT_VLAN_TUNNEL]));
+
+ if (prtb[IFLA_BRPORT_BACKUP_PORT]) {
+ int ifidx;
+
+ ifidx = rta_getattr_u32(prtb[IFLA_BRPORT_BACKUP_PORT]);
+ print_string(PRINT_ANY,
+ "backup_port", "backup_port %s ",
+ ll_index_to_name(ifidx));
+ }
+
+ if (prtb[IFLA_BRPORT_ISOLATED])
+ print_onoff(fp, "isolated",
+ rta_getattr_u8(prtb[IFLA_BRPORT_ISOLATED]));
+ } else
+ print_portstate(rta_getattr_u8(attr));
}
-static void print_hwmode(FILE *f, __u16 mode)
+
+/*
+ * This is reported by HW devices that have some bridging
+ * capabilities.
+ */
+static void print_af_spec(struct rtattr *attr, int ifindex)
{
- if (mode >= sizeof(hw_mode)/sizeof(hw_mode[0]))
- fprintf(f, "hwmode %#hx ", mode);
- else
- fprintf(f, "hwmode %s ", hw_mode[mode]);
+ struct rtattr *aftb[IFLA_BRIDGE_MAX+1];
+
+ parse_rtattr_nested(aftb, IFLA_BRIDGE_MAX, attr);
+
+ if (aftb[IFLA_BRIDGE_MODE])
+ print_hwmode(rta_getattr_u16(aftb[IFLA_BRIDGE_MODE]));
+
+ if (!show_details)
+ return;
+
+ if (aftb[IFLA_BRIDGE_VLAN_INFO])
+ print_vlan_info(aftb[IFLA_BRIDGE_VLAN_INFO], ifindex);
}
-int print_linkinfo(const struct sockaddr_nl *who,
- struct nlmsghdr *n, void *arg)
+int print_linkinfo(struct nlmsghdr *n, void *arg)
{
FILE *fp = arg;
- int len = n->nlmsg_len;
struct ifinfomsg *ifi = NLMSG_DATA(n);
- struct rtattr * tb[IFLA_MAX+1];
- char b1[IFNAMSIZ];
+ struct rtattr *tb[IFLA_MAX+1];
+ unsigned int m_flag = 0;
+ int len = n->nlmsg_len;
+ const char *name;
len -= NLMSG_LENGTH(sizeof(*ifi));
if (len < 0) {
fprintf(stderr, "Message too short!\n");
return -1;
- }
+ }
if (!(ifi->ifi_family == AF_BRIDGE || ifi->ifi_family == AF_UNSPEC))
return 0;
parse_rtattr_flags(tb, IFLA_MAX, IFLA_RTA(ifi), len, NLA_F_NESTED);
- if (tb[IFLA_IFNAME] == NULL) {
- fprintf(stderr, "BUG: nil ifname\n");
+ name = get_ifname_rta(ifi->ifi_index, tb[IFLA_IFNAME]);
+ if (!name)
return -1;
- }
+ open_json_object(NULL);
if (n->nlmsg_type == RTM_DELLINK)
- fprintf(fp, "Deleted ");
-
- fprintf(fp, "%d: %s ", ifi->ifi_index,
- tb[IFLA_IFNAME] ? rta_getattr_str(tb[IFLA_IFNAME]) : "<nil>");
-
- if (tb[IFLA_OPERSTATE])
- print_operstate(fp, rta_getattr_u8(tb[IFLA_OPERSTATE]));
-
- if (tb[IFLA_LINK]) {
- SPRINT_BUF(b1);
- int iflink = rta_getattr_u32(tb[IFLA_LINK]);
- if (iflink == 0)
- fprintf(fp, "@NONE: ");
- else
- fprintf(fp, "@%s: ",
- if_indextoname(iflink, b1));
- } else
- fprintf(fp, ": ");
+ print_bool(PRINT_ANY, "deleted", "Deleted ", true);
- print_link_flags(fp, ifi->ifi_flags);
+ print_int(PRINT_ANY, "ifindex", "%d: ", ifi->ifi_index);
+ m_flag = print_name_and_link("%s: ", name, tb);
+ print_link_flags(fp, ifi->ifi_flags, m_flag);
if (tb[IFLA_MTU])
- fprintf(fp, "mtu %u ", rta_getattr_u32(tb[IFLA_MTU]));
-
- if (tb[IFLA_MASTER])
- fprintf(fp, "master %s ",
- if_indextoname(rta_getattr_u32(tb[IFLA_MASTER]), b1));
-
- if (tb[IFLA_PROTINFO]) {
- if (tb[IFLA_PROTINFO]->rta_type & NLA_F_NESTED) {
- struct rtattr *prtb[IFLA_BRPORT_MAX+1];
-
- parse_rtattr_nested(prtb, IFLA_BRPORT_MAX,
- tb[IFLA_PROTINFO]);
-
- if (prtb[IFLA_BRPORT_STATE])
- print_portstate(fp,
- rta_getattr_u8(prtb[IFLA_BRPORT_STATE]));
- if (prtb[IFLA_BRPORT_PRIORITY])
- fprintf(fp, "priority %hu ",
- rta_getattr_u16(prtb[IFLA_BRPORT_PRIORITY]));
- if (prtb[IFLA_BRPORT_COST])
- fprintf(fp, "cost %u ",
- rta_getattr_u32(prtb[IFLA_BRPORT_COST]));
-
- if (show_details) {
- fprintf(fp, "%s ", _SL_);
-
- if (prtb[IFLA_BRPORT_MODE])
- print_onoff(fp, "hairpin",
- rta_getattr_u8(prtb[IFLA_BRPORT_MODE]));
- if (prtb[IFLA_BRPORT_GUARD])
- print_onoff(fp, "guard",
- rta_getattr_u8(prtb[IFLA_BRPORT_GUARD]));
- if (prtb[IFLA_BRPORT_PROTECT])
- print_onoff(fp, "root_block",
- rta_getattr_u8(prtb[IFLA_BRPORT_PROTECT]));
- if (prtb[IFLA_BRPORT_FAST_LEAVE])
- print_onoff(fp, "fastleave",
- rta_getattr_u8(prtb[IFLA_BRPORT_FAST_LEAVE]));
- if (prtb[IFLA_BRPORT_LEARNING])
- print_onoff(fp, "learning",
- rta_getattr_u8(prtb[IFLA_BRPORT_LEARNING]));
- if (prtb[IFLA_BRPORT_LEARNING_SYNC])
- print_onoff(fp, "learning_sync",
- rta_getattr_u8(prtb[IFLA_BRPORT_LEARNING_SYNC]));
- if (prtb[IFLA_BRPORT_UNICAST_FLOOD])
- print_onoff(fp, "flood",
- rta_getattr_u8(prtb[IFLA_BRPORT_UNICAST_FLOOD]));
- }
- } else
- print_portstate(fp, rta_getattr_u8(tb[IFLA_PROTINFO]));
- }
+ print_int(PRINT_ANY,
+ "mtu", "mtu %u ",
+ rta_getattr_u32(tb[IFLA_MTU]));
- if (tb[IFLA_AF_SPEC]) {
- /* This is reported by HW devices that have some bridging
- * capabilities.
- */
- struct rtattr *aftb[IFLA_BRIDGE_MAX+1];
+ if (tb[IFLA_MASTER]) {
+ int master = rta_getattr_u32(tb[IFLA_MASTER]);
- parse_rtattr_nested(aftb, IFLA_BRIDGE_MAX, tb[IFLA_AF_SPEC]);
-
- if (aftb[IFLA_BRIDGE_MODE])
- print_hwmode(fp, rta_getattr_u16(aftb[IFLA_BRIDGE_MODE]));
+ print_string(PRINT_ANY, "master", "master %s ",
+ ll_index_to_name(master));
}
- fprintf(fp, "\n");
+ if (tb[IFLA_PROTINFO])
+ print_protinfo(fp, tb[IFLA_PROTINFO]);
+
+ if (tb[IFLA_AF_SPEC])
+ print_af_spec(tb[IFLA_AF_SPEC], ifi->ifi_index);
+
+ print_string(PRINT_FP, NULL, "%s", "\n");
+ close_json_object();
fflush(fp);
return 0;
}
{
fprintf(stderr, "Usage: bridge link set dev DEV [ cost COST ] [ priority PRIO ] [ state STATE ]\n");
fprintf(stderr, " [ guard {on | off} ]\n");
- fprintf(stderr, " [ hairpin {on | off} ] \n");
+ fprintf(stderr, " [ hairpin {on | off} ]\n");
fprintf(stderr, " [ fastleave {on | off} ]\n");
fprintf(stderr, " [ root_block {on | off} ]\n");
fprintf(stderr, " [ learning {on | off} ]\n");
fprintf(stderr, " [ learning_sync {on | off} ]\n");
fprintf(stderr, " [ flood {on | off} ]\n");
+ fprintf(stderr, " [ mcast_flood {on | off} ]\n");
+ fprintf(stderr, " [ neigh_suppress {on | off} ]\n");
+ fprintf(stderr, " [ vlan_tunnel {on | off} ]\n");
+ fprintf(stderr, " [ isolated {on | off} ]\n");
fprintf(stderr, " [ hwmode {vepa | veb} ]\n");
+ fprintf(stderr, " [ backup_port DEVICE ] [ nobackup_port ]\n");
fprintf(stderr, " [ self ] [ master ]\n");
fprintf(stderr, " bridge link show [dev DEV]\n");
exit(-1);
struct nlmsghdr n;
struct ifinfomsg ifm;
char buf[512];
- } req;
+ } req = {
+ .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)),
+ .n.nlmsg_flags = NLM_F_REQUEST,
+ .n.nlmsg_type = RTM_SETLINK,
+ .ifm.ifi_family = PF_BRIDGE,
+ };
char *d = NULL;
+ int backup_port_idx = -1;
+ __s8 neigh_suppress = -1;
__s8 learning = -1;
__s8 learning_sync = -1;
__s8 flood = -1;
+ __s8 vlan_tunnel = -1;
+ __s8 mcast_flood = -1;
+ __s8 isolated = -1;
__s8 hairpin = -1;
__s8 bpdu_guard = -1;
__s8 fast_leave = -1;
__u16 flags = 0;
struct rtattr *nest;
- memset(&req, 0, sizeof(req));
-
- req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));
- req.n.nlmsg_flags = NLM_F_REQUEST;
- req.n.nlmsg_type = RTM_SETLINK;
- req.ifm.ifi_family = PF_BRIDGE;
-
while (argc > 0) {
if (strcmp(*argv, "dev") == 0) {
NEXT_ARG();
return -1;
} else if (strcmp(*argv, "hairpin") == 0) {
NEXT_ARG();
- if (!on_off("hairping", &hairpin, *argv))
+ if (!on_off("hairpin", &hairpin, *argv))
return -1;
} else if (strcmp(*argv, "fastleave") == 0) {
NEXT_ARG();
NEXT_ARG();
if (!on_off("flood", &flood, *argv))
return -1;
+ } else if (strcmp(*argv, "mcast_flood") == 0) {
+ NEXT_ARG();
+ if (!on_off("mcast_flood", &mcast_flood, *argv))
+ return -1;
} else if (strcmp(*argv, "cost") == 0) {
NEXT_ARG();
cost = atoi(*argv);
} else if (strcmp(*argv, "state") == 0) {
NEXT_ARG();
char *endptr;
- size_t nstates = sizeof(port_states) / sizeof(*port_states);
+ size_t nstates = ARRAY_SIZE(port_states);
+
state = strtol(*argv, &endptr, 10);
if (!(**argv != '\0' && *endptr == '\0')) {
for (state = 0; state < nstates; state++)
mode = BRIDGE_MODE_VEB;
else {
fprintf(stderr,
- "Mode argument must be \"vepa\" or "
- "\"veb\".\n");
+ "Mode argument must be \"vepa\" or \"veb\".\n");
return -1;
}
} else if (strcmp(*argv, "self") == 0) {
flags |= BRIDGE_FLAGS_SELF;
} else if (strcmp(*argv, "master") == 0) {
flags |= BRIDGE_FLAGS_MASTER;
+ } else if (strcmp(*argv, "neigh_suppress") == 0) {
+ NEXT_ARG();
+ if (!on_off("neigh_suppress", &neigh_suppress,
+ *argv))
+ return -1;
+ } else if (strcmp(*argv, "vlan_tunnel") == 0) {
+ NEXT_ARG();
+ if (!on_off("vlan_tunnel", &vlan_tunnel,
+ *argv))
+ return -1;
+ } else if (strcmp(*argv, "isolated") == 0) {
+ NEXT_ARG();
+ if (!on_off("isolated", &isolated, *argv))
+ return -1;
+ } else if (strcmp(*argv, "backup_port") == 0) {
+ NEXT_ARG();
+ backup_port_idx = ll_name_to_index(*argv);
+ if (!backup_port_idx) {
+ fprintf(stderr, "Error: device %s does not exist\n",
+ *argv);
+ return -1;
+ }
+ } else if (strcmp(*argv, "nobackup_port") == 0) {
+ backup_port_idx = 0;
} else {
usage();
}
addattr8(&req.n, sizeof(req), IFLA_BRPORT_PROTECT, root_block);
if (flood >= 0)
addattr8(&req.n, sizeof(req), IFLA_BRPORT_UNICAST_FLOOD, flood);
+ if (mcast_flood >= 0)
+ addattr8(&req.n, sizeof(req), IFLA_BRPORT_MCAST_FLOOD,
+ mcast_flood);
if (learning >= 0)
addattr8(&req.n, sizeof(req), IFLA_BRPORT_LEARNING, learning);
if (learning_sync >= 0)
if (state >= 0)
addattr8(&req.n, sizeof(req), IFLA_BRPORT_STATE, state);
+ if (neigh_suppress != -1)
+ addattr8(&req.n, sizeof(req), IFLA_BRPORT_NEIGH_SUPPRESS,
+ neigh_suppress);
+ if (vlan_tunnel != -1)
+ addattr8(&req.n, sizeof(req), IFLA_BRPORT_VLAN_TUNNEL,
+ vlan_tunnel);
+ if (isolated != -1)
+ addattr8(&req.n, sizeof(req), IFLA_BRPORT_ISOLATED, isolated);
+
+ if (backup_port_idx != -1)
+ addattr32(&req.n, sizeof(req), IFLA_BRPORT_BACKUP_PORT,
+ backup_port_idx);
+
addattr_nest_end(&req.n, nest);
/* IFLA_AF_SPEC nested attribute. Contains IFLA_BRIDGE_FLAGS that
addattr_nest_end(&req.n, nest);
}
- if (rtnl_talk(&rth, &req.n, NULL, 0) < 0)
+ if (rtnl_talk(&rth, &req.n, NULL) < 0)
return -1;
return 0;
}
if (filter_dev) {
- if ((filter_index = ll_name_to_index(filter_dev)) == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n",
- filter_dev);
- return -1;
- }
+ filter_index = ll_name_to_index(filter_dev);
+ if (!filter_index)
+ return nodev(filter_dev);
}
- if (rtnl_wilddump_request(&rth, PF_BRIDGE, RTM_GETLINK) < 0) {
- perror("Cannon send dump request");
- exit(1);
+ if (show_details) {
+ if (rtnl_linkdump_req_filter(&rth, PF_BRIDGE,
+ (compress_vlans ?
+ RTEXT_FILTER_BRVLAN_COMPRESSED :
+ RTEXT_FILTER_BRVLAN)) < 0) {
+ perror("Cannon send dump request");
+ exit(1);
+ }
+ } else {
+ if (rtnl_linkdump_req(&rth, PF_BRIDGE) < 0) {
+ perror("Cannon send dump request");
+ exit(1);
+ }
}
+ new_json_obj(json);
if (rtnl_dump_filter(&rth, print_linkinfo, stdout) < 0) {
fprintf(stderr, "Dump terminated\n");
exit(1);
}
+
+ delete_json_obj();
+ fflush(stdout);
return 0;
}
projects / mirror_iproute2.git / blobdiff