+/* SPDX-License-Identifier: GPL-2.0 */
/*
* Get/set/delete fdb table with netlink
*
#include <linux/neighbour.h>
#include <string.h>
#include <limits.h>
-#include <json_writer.h>
#include <stdbool.h>
+#include "json_print.h"
#include "libnetlink.h"
#include "br_common.h"
#include "rt_names.h"
static unsigned int filter_index, filter_vlan, filter_state;
-json_writer_t *jw_global;
-
static void usage(void)
{
fprintf(stderr,
"Usage: bridge fdb { add | append | del | replace } ADDR dev DEV\n"
- " [ self ] [ master ] [ use ] [ router ]\n"
- " [ local | static | dynamic ] [ dst IPADDR ] [ vlan VID ]\n"
- " [ port PORT] [ vni VNI ] [ via DEV ]\n"
+ " [ self ] [ master ] [ use ] [ router ] [ extern_learn ]\n"
+ " [ sticky ] [ local | static | dynamic ] [ dst IPADDR ]\n"
+ " [ vlan VID ] [ port PORT] [ vni VNI ] [ via DEV ]\n"
" bridge fdb [ show [ br BRDEV ] [ brport DEV ] [ vlan VID ] [ state STATE ] ]\n");
exit(-1);
}
return 0;
}
-static void start_json_fdb_flags_array(bool *fdb_flags)
+static void fdb_print_flags(FILE *fp, unsigned int flags)
+{
+ open_json_array(PRINT_JSON,
+ is_json_context() ? "flags" : "");
+
+ if (flags & NTF_SELF)
+ print_string(PRINT_ANY, NULL, "%s ", "self");
+
+ if (flags & NTF_ROUTER)
+ print_string(PRINT_ANY, NULL, "%s ", "router");
+
+ if (flags & NTF_EXT_LEARNED)
+ print_string(PRINT_ANY, NULL, "%s ", "extern_learn");
+
+ if (flags & NTF_OFFLOADED)
+ print_string(PRINT_ANY, NULL, "%s ", "offload");
+
+ if (flags & NTF_MASTER)
+ print_string(PRINT_ANY, NULL, "%s ", "master");
+
+ if (flags & NTF_STICKY)
+ print_string(PRINT_ANY, NULL, "%s ", "sticky");
+
+ close_json_array(PRINT_JSON, NULL);
+}
+
+static void fdb_print_stats(FILE *fp, const struct nda_cacheinfo *ci)
{
- if (*fdb_flags)
- return;
- jsonw_name(jw_global, "flags");
- jsonw_start_array(jw_global);
- *fdb_flags = true;
+ static int hz;
+
+ if (!hz)
+ hz = get_user_hz();
+
+ if (is_json_context()) {
+ print_uint(PRINT_JSON, "used", NULL,
+ ci->ndm_used / hz);
+ print_uint(PRINT_JSON, "updated", NULL,
+ ci->ndm_updated / hz);
+ } else {
+ fprintf(fp, "used %d/%d ", ci->ndm_used / hz,
+ ci->ndm_updated / hz);
+
+ }
}
-int print_fdb(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
+int print_fdb(struct nlmsghdr *n, void *arg)
{
FILE *fp = arg;
struct ndmsg *r = NLMSG_DATA(n);
int len = n->nlmsg_len;
struct rtattr *tb[NDA_MAX+1];
__u16 vid = 0;
- bool fdb_flags = false;
- const char *state_s;
if (n->nlmsg_type != RTM_NEWNEIGH && n->nlmsg_type != RTM_DELNEIGH) {
fprintf(stderr, "Not RTM_NEWNEIGH: %08x %08x %08x\n",
if (filter_vlan && filter_vlan != vid)
return 0;
- if (jw_global) {
- jsonw_pretty(jw_global, 1);
- jsonw_start_object(jw_global);
- }
-
- if (n->nlmsg_type == RTM_DELNEIGH) {
- if (jw_global)
- jsonw_string_field(jw_global, "opCode", "deleted");
- else
- fprintf(fp, "Deleted ");
- }
+ open_json_object(NULL);
+ if (n->nlmsg_type == RTM_DELNEIGH)
+ print_bool(PRINT_ANY, "deleted", "Deleted ", true);
if (tb[NDA_LLADDR]) {
+ const char *lladdr;
SPRINT_BUF(b1);
- ll_addr_n2a(RTA_DATA(tb[NDA_LLADDR]),
- RTA_PAYLOAD(tb[NDA_LLADDR]),
- ll_index_to_type(r->ndm_ifindex),
- b1, sizeof(b1));
- if (jw_global)
- jsonw_string_field(jw_global, "mac", b1);
- else
- fprintf(fp, "%s ", b1);
- }
- if (!filter_index && r->ndm_ifindex) {
- if (jw_global)
- jsonw_string_field(jw_global, "dev",
- ll_index_to_name(r->ndm_ifindex));
- else
- fprintf(fp, "dev %s ",
- ll_index_to_name(r->ndm_ifindex));
+ lladdr = ll_addr_n2a(RTA_DATA(tb[NDA_LLADDR]),
+ RTA_PAYLOAD(tb[NDA_LLADDR]),
+ ll_index_to_type(r->ndm_ifindex),
+ b1, sizeof(b1));
+
+ print_color_string(PRINT_ANY, COLOR_MAC,
+ "mac", "%s ", lladdr);
}
+ if (!filter_index && r->ndm_ifindex)
+ print_color_string(PRINT_ANY, COLOR_IFNAME,
+ "ifname", "dev %s ",
+ ll_index_to_name(r->ndm_ifindex));
+
if (tb[NDA_DST]) {
int family = AF_INET;
- const char *abuf_s;
+ const char *dst;
if (RTA_PAYLOAD(tb[NDA_DST]) == sizeof(struct in6_addr))
family = AF_INET6;
- abuf_s = format_host(family,
- RTA_PAYLOAD(tb[NDA_DST]),
- RTA_DATA(tb[NDA_DST]));
- if (jw_global)
- jsonw_string_field(jw_global, "dst", abuf_s);
- else
- fprintf(fp, "dst %s ", abuf_s);
- }
+ dst = format_host(family,
+ RTA_PAYLOAD(tb[NDA_DST]),
+ RTA_DATA(tb[NDA_DST]));
- if (vid) {
- if (jw_global)
- jsonw_uint_field(jw_global, "vlan", vid);
- else
- fprintf(fp, "vlan %hu ", vid);
+ print_color_string(PRINT_ANY,
+ ifa_family_color(family),
+ "dst", "dst %s ", dst);
}
- if (tb[NDA_PORT]) {
- if (jw_global)
- jsonw_uint_field(jw_global, "port",
- rta_getattr_be16(tb[NDA_PORT]));
- else
- fprintf(fp, "port %d ",
- rta_getattr_be16(tb[NDA_PORT]));
- }
+ if (vid)
+ print_uint(PRINT_ANY,
+ "vlan", "vlan %hu ", vid);
- if (tb[NDA_VNI]) {
- if (jw_global)
- jsonw_uint_field(jw_global, "vni",
- rta_getattr_u32(tb[NDA_VNI]));
- else
- fprintf(fp, "vni %d ",
- rta_getattr_u32(tb[NDA_VNI]));
- }
+ if (tb[NDA_PORT])
+ print_uint(PRINT_ANY,
+ "port", "port %u ",
+ rta_getattr_be16(tb[NDA_PORT]));
- if (tb[NDA_SRC_VNI]) {
- if (jw_global)
- jsonw_uint_field(jw_global, "src_vni",
- rta_getattr_u32(tb[NDA_SRC_VNI]));
- else
- fprintf(fp, "src_vni %d ",
+ if (tb[NDA_VNI])
+ print_uint(PRINT_ANY,
+ "vni", "vni %u ",
+ rta_getattr_u32(tb[NDA_VNI]));
+
+ if (tb[NDA_SRC_VNI])
+ print_uint(PRINT_ANY,
+ "src_vni", "src_vni %u ",
rta_getattr_u32(tb[NDA_SRC_VNI]));
- }
if (tb[NDA_IFINDEX]) {
unsigned int ifindex = rta_getattr_u32(tb[NDA_IFINDEX]);
- if (ifindex) {
- char ifname[IF_NAMESIZE];
-
- if (!tb[NDA_LINK_NETNSID] &&
- if_indextoname(ifindex, ifname)) {
- if (jw_global)
- jsonw_string_field(jw_global, "viaIf",
- ifname);
- else
- fprintf(fp, "via %s ", ifname);
- } else {
- if (jw_global)
- jsonw_uint_field(jw_global, "viaIfIndex",
- ifindex);
- else
- fprintf(fp, "via ifindex %u ", ifindex);
- }
- }
- }
-
- if (tb[NDA_LINK_NETNSID]) {
- if (jw_global)
- jsonw_uint_field(jw_global, "linkNetNsId",
- rta_getattr_u32(tb[NDA_LINK_NETNSID]));
+ if (tb[NDA_LINK_NETNSID])
+ print_uint(PRINT_ANY,
+ "viaIfIndex", "via ifindex %u ",
+ ifindex);
else
- fprintf(fp, "link-netnsid %d ",
- rta_getattr_u32(tb[NDA_LINK_NETNSID]));
+ print_string(PRINT_ANY,
+ "viaIf", "via %s ",
+ ll_index_to_name(ifindex));
}
- if (show_stats && tb[NDA_CACHEINFO]) {
- struct nda_cacheinfo *ci = RTA_DATA(tb[NDA_CACHEINFO]);
- int hz = get_user_hz();
+ if (tb[NDA_LINK_NETNSID])
+ print_uint(PRINT_ANY,
+ "linkNetNsId", "link-netnsid %d ",
+ rta_getattr_u32(tb[NDA_LINK_NETNSID]));
- if (jw_global) {
- jsonw_uint_field(jw_global, "used",
- ci->ndm_used/hz);
- jsonw_uint_field(jw_global, "updated",
- ci->ndm_updated/hz);
- } else {
- fprintf(fp, "used %d/%d ", ci->ndm_used/hz,
- ci->ndm_updated/hz);
- }
- }
+ if (show_stats && tb[NDA_CACHEINFO])
+ fdb_print_stats(fp, RTA_DATA(tb[NDA_CACHEINFO]));
- if (jw_global) {
- if (r->ndm_flags & NTF_SELF) {
- start_json_fdb_flags_array(&fdb_flags);
- jsonw_string(jw_global, "self");
- }
- if (r->ndm_flags & NTF_ROUTER) {
- start_json_fdb_flags_array(&fdb_flags);
- jsonw_string(jw_global, "router");
- }
- if (r->ndm_flags & NTF_EXT_LEARNED) {
- start_json_fdb_flags_array(&fdb_flags);
- jsonw_string(jw_global, "extern_learn");
- }
- if (r->ndm_flags & NTF_OFFLOADED) {
- start_json_fdb_flags_array(&fdb_flags);
- jsonw_string(jw_global, "offload");
- }
- if (r->ndm_flags & NTF_MASTER)
- jsonw_string(jw_global, "master");
- if (fdb_flags)
- jsonw_end_array(jw_global);
+ fdb_print_flags(fp, r->ndm_flags);
- if (tb[NDA_MASTER])
- jsonw_string_field(jw_global,
- "master",
- ll_index_to_name(rta_getattr_u32(tb[NDA_MASTER])));
- } else {
- if (r->ndm_flags & NTF_SELF)
- fprintf(fp, "self ");
- if (r->ndm_flags & NTF_ROUTER)
- fprintf(fp, "router ");
- if (r->ndm_flags & NTF_EXT_LEARNED)
- fprintf(fp, "extern_learn ");
- if (r->ndm_flags & NTF_OFFLOADED)
- fprintf(fp, "offload ");
- if (tb[NDA_MASTER]) {
- fprintf(fp, "master %s ",
- ll_index_to_name(rta_getattr_u32(tb[NDA_MASTER])));
- } else if (r->ndm_flags & NTF_MASTER) {
- fprintf(fp, "master ");
- }
- }
-
- state_s = state_n2a(r->ndm_state);
- if (jw_global) {
- if (state_s[0])
- jsonw_string_field(jw_global, "state", state_s);
-
- jsonw_end_object(jw_global);
- } else {
- fprintf(fp, "%s\n", state_s);
-
- fflush(fp);
- }
+ if (tb[NDA_MASTER])
+ print_string(PRINT_ANY, "master", "master %s ",
+ ll_index_to_name(rta_getattr_u32(tb[NDA_MASTER])));
+ print_string(PRINT_ANY, "state", "%s\n",
+ state_n2a(r->ndm_state));
+ close_json_object();
+ fflush(fp);
return 0;
}
{
struct {
struct nlmsghdr n;
- struct ifinfomsg ifm;
+ struct ndmsg ndm;
char buf[256];
} req = {
- .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)),
- .ifm.ifi_family = PF_BRIDGE,
+ .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ndmsg)),
+ .ndm.ndm_family = PF_BRIDGE,
};
char *filter_dev = NULL;
char *br = NULL;
- int msg_size = sizeof(struct ifinfomsg);
+ int msg_size = sizeof(struct ndmsg);
while (argc > 0) {
if ((strcmp(*argv, "brport") == 0) || strcmp(*argv, "dev") == 0) {
/*we'll keep around filter_dev for older kernels */
if (filter_dev) {
- filter_index = if_nametoindex(filter_dev);
- if (filter_index == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n",
- filter_dev);
- return -1;
- }
- req.ifm.ifi_index = filter_index;
+ filter_index = ll_name_to_index(filter_dev);
+ if (!filter_index)
+ return nodev(filter_dev);
+ req.ndm.ndm_ifindex = filter_index;
}
- if (rtnl_dump_request(&rth, RTM_GETNEIGH, &req.ifm, msg_size) < 0) {
+ if (rtnl_dump_request(&rth, RTM_GETNEIGH, &req.ndm, msg_size) < 0) {
perror("Cannot send dump request");
exit(1);
}
- if (json_output) {
- jw_global = jsonw_new(stdout);
- if (!jw_global) {
- fprintf(stderr, "Error allocation json object\n");
- exit(1);
- }
- jsonw_start_array(jw_global);
- }
+ new_json_obj(json);
if (rtnl_dump_filter(&rth, print_fdb, stdout) < 0) {
fprintf(stderr, "Dump terminated\n");
exit(1);
}
- if (jw_global) {
- jsonw_end_array(jw_global);
- jsonw_destroy(&jw_global);
- }
+ delete_json_obj();
+ fflush(stdout);
return 0;
}
invarg("invalid VNI\n", *argv);
} else if (strcmp(*argv, "via") == 0) {
NEXT_ARG();
- via = if_nametoindex(*argv);
- if (via == 0)
- invarg("invalid device\n", *argv);
+ via = ll_name_to_index(*argv);
+ if (!via)
+ exit(nodev(*argv));
} else if (strcmp(*argv, "self") == 0) {
req.ndm.ndm_flags |= NTF_SELF;
} else if (matches(*argv, "master") == 0) {
vid = atoi(*argv);
} else if (matches(*argv, "use") == 0) {
req.ndm.ndm_flags |= NTF_USE;
+ } else if (matches(*argv, "extern_learn") == 0) {
+ req.ndm.ndm_flags |= NTF_EXT_LEARNED;
+ } else if (matches(*argv, "sticky") == 0) {
+ req.ndm.ndm_flags |= NTF_STICKY;
} else {
if (strcmp(*argv, "to") == 0)
NEXT_ARG();
addattr32(&req.n, sizeof(req), NDA_IFINDEX, via);
req.ndm.ndm_ifindex = ll_name_to_index(d);
- if (req.ndm.ndm_ifindex == 0) {
- fprintf(stderr, "Cannot find device \"%s\"\n", d);
- return -1;
- }
+ if (!req.ndm.ndm_ifindex)
+ return nodev(d);
if (rtnl_talk(&rth, &req.n, NULL) < 0)
return -1;
projects / mirror_iproute2.git / blobdiff