@@ -48,6 +48,7 @@ OBJ += interface.o
OBJ += loglevel.o
OBJ += log.o
OBJ += main.o
+OBJ += mcast_flags.o
OBJ += netlink.o
OBJ += ping.o
OBJ += routing_algo.o
@@ -249,12 +249,3 @@ static struct debug_table_data batctl_debug_table_nc_nodes = {
COMMAND_NAMED(DEBUGTABLE, nc_nodes, "nn", handle_debug_table,
COMMAND_FLAG_MESH_IFACE, &batctl_debug_table_nc_nodes, "");
-
-static struct debug_table_data batctl_debug_table_mcast_flags = {
- .debugfs_name = DEBUG_MCAST_FLAGS,
- .header_lines = 6,
- .netlink_fn = netlink_print_mcast_flags,
-};
-
-COMMAND_NAMED(DEBUGTABLE, mcast_flags, "mf", handle_debug_table,
- COMMAND_FLAG_MESH_IFACE, &batctl_debug_table_mcast_flags, "");
new file mode 100644
@@ -0,0 +1,178 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (C) 2009-2018 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner <mareklindner@neomailbox.ch>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ *
+ * License-Filename: LICENSES/preferred/GPL-2.0
+ */
+
+#include <errno.h>
+#include <net/if.h>
+#include <netlink/netlink.h>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/ctrl.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "batadv_packet.h"
+#include "batman_adv.h"
+#include "bat-hosts.h"
+#include "debug.h"
+#include "functions.h"
+#include "main.h"
+#include "netlink.h"
+
+static const int mcast_flags_mandatory[] = {
+ BATADV_ATTR_ORIG_ADDRESS,
+};
+
+static int mcast_flags_callback(struct nl_msg *msg, void *arg)
+{
+ struct nlattr *attrs[BATADV_ATTR_MAX+1];
+ struct nlmsghdr *nlh = nlmsg_hdr(msg);
+ struct print_opts *opts = arg;
+ struct bat_host *bat_host;
+ struct genlmsghdr *ghdr;
+ uint32_t flags;
+ uint8_t *addr;
+
+ if (!genlmsg_valid_hdr(nlh, 0)) {
+ fputs("Received invalid data from kernel.\n", stderr);
+ exit(1);
+ }
+
+ ghdr = nlmsg_data(nlh);
+
+ if (ghdr->cmd != BATADV_CMD_GET_MCAST_FLAGS)
+ return NL_OK;
+
+ if (nla_parse(attrs, BATADV_ATTR_MAX, genlmsg_attrdata(ghdr, 0),
+ genlmsg_len(ghdr), batadv_netlink_policy)) {
+ fputs("Received invalid data from kernel.\n", stderr);
+ exit(1);
+ }
+
+ if (missing_mandatory_attrs(attrs, mcast_flags_mandatory,
+ ARRAY_SIZE(mcast_flags_mandatory))) {
+ fputs("Missing attributes from kernel\n", stderr);
+ exit(1);
+ }
+
+ addr = nla_data(attrs[BATADV_ATTR_ORIG_ADDRESS]);
+
+ if (opts->read_opt & MULTICAST_ONLY && !(addr[0] & 0x01))
+ return NL_OK;
+
+ if (opts->read_opt & UNICAST_ONLY && (addr[0] & 0x01))
+ return NL_OK;
+
+ bat_host = bat_hosts_find_by_mac((char *)addr);
+ if (!(opts->read_opt & USE_BAT_HOSTS) || !bat_host)
+ printf("%02x:%02x:%02x:%02x:%02x:%02x ",
+ addr[0], addr[1], addr[2],
+ addr[3], addr[4], addr[5]);
+ else
+ printf("%17s ", bat_host->name);
+
+ if (attrs[BATADV_ATTR_MCAST_FLAGS]) {
+ flags = nla_get_u32(attrs[BATADV_ATTR_MCAST_FLAGS]);
+
+ printf("[%c%c%c]\n",
+ flags & BATADV_MCAST_WANT_ALL_UNSNOOPABLES ? 'U' : '.',
+ flags & BATADV_MCAST_WANT_ALL_IPV4 ? '4' : '.',
+ flags & BATADV_MCAST_WANT_ALL_IPV6 ? '6' : '.');
+ } else {
+ printf("-\n");
+ }
+
+ return NL_OK;
+}
+
+static int netlink_print_mcast_flags(char *mesh_iface, char *orig_iface,
+ int read_opts, float orig_timeout,
+ float watch_interval)
+{
+ char querier4, querier6, shadowing4, shadowing6;
+ char *info_header;
+ char *header;
+ bool bridged;
+ int ifindex;
+ int ret;
+
+ ifindex = if_nametoindex(mesh_iface);
+ if (!ifindex) {
+ fprintf(stderr, "Interface %s is unknown\n", mesh_iface);
+ return -ENODEV;
+ }
+
+ /* only parse own multicast flags */
+ info_header = netlink_get_info(ifindex, BATADV_CMD_GET_MCAST_FLAGS, NULL);
+ free(info_header);
+
+ if (mcast_flags == -EOPNOTSUPP || mcast_flags_priv == -EOPNOTSUPP)
+ return -EOPNOTSUPP;
+
+ bridged = mcast_flags_priv & BATADV_MCAST_FLAGS_BRIDGED;
+
+ if (bridged) {
+ querier4 = (mcast_flags_priv & BATADV_MCAST_FLAGS_QUERIER_IPV4_EXISTS) ? '.' : '4';
+ querier6 = (mcast_flags_priv & BATADV_MCAST_FLAGS_QUERIER_IPV6_EXISTS) ? '.' : '6';
+ shadowing4 = (mcast_flags_priv & BATADV_MCAST_FLAGS_QUERIER_IPV4_SHADOWING) ? '4' : '.';
+ shadowing6 = (mcast_flags_priv & BATADV_MCAST_FLAGS_QUERIER_IPV6_SHADOWING) ? '6' : '.';
+ } else {
+ querier4 = '?';
+ querier6 = '?';
+ shadowing4 = '?';
+ shadowing6 = '?';
+ }
+
+ ret = asprintf(&header,
+ "Multicast flags (own flags: [%c%c%c])\n"
+ "* Bridged [U]\t\t\t\t%c\n"
+ "* No IGMP/MLD Querier [4/6]:\t\t%c/%c\n"
+ "* Shadowing IGMP/MLD Querier [4/6]:\t%c/%c\n"
+ "-------------------------------------------\n"
+ " %-10s %s\n",
+ (mcast_flags & BATADV_MCAST_WANT_ALL_UNSNOOPABLES) ? 'U' : '.',
+ (mcast_flags & BATADV_MCAST_WANT_ALL_IPV4) ? '4' : '.',
+ (mcast_flags & BATADV_MCAST_WANT_ALL_IPV6) ? '6' : '.',
+ bridged ? 'U' : '.',
+ querier4, querier6, shadowing4, shadowing6,
+ "Originator", "Flags");
+
+ if (ret < 0)
+ return ret;
+
+ ret = netlink_print_common(mesh_iface, orig_iface, read_opts,
+ orig_timeout, watch_interval, header,
+ BATADV_CMD_GET_MCAST_FLAGS,
+ mcast_flags_callback);
+
+ free(header);
+ return ret;
+}
+
+static struct debug_table_data batctl_debug_table_mcast_flags = {
+ .debugfs_name = DEBUG_MCAST_FLAGS,
+ .header_lines = 6,
+ .netlink_fn = netlink_print_mcast_flags,
+};
+
+COMMAND_NAMED(DEBUGTABLE, mcast_flags, "mf", handle_debug_table,
+ COMMAND_FLAG_MESH_IFACE, &batctl_debug_table_mcast_flags, "");
@@ -111,8 +111,8 @@ struct nla_policy batadv_netlink_policy[NUM_BATADV_ATTR] = {
int last_err;
char algo_name_buf[256] = "";
-static int64_t mcast_flags = -EOPNOTSUPP;
-static int64_t mcast_flags_priv = -EOPNOTSUPP;
+int64_t mcast_flags = -EOPNOTSUPP;
+int64_t mcast_flags_priv = -EOPNOTSUPP;
int missing_mandatory_attrs(struct nlattr *attrs[], const int mandatory[],
int num)
@@ -876,72 +876,6 @@ static int translocal_callback(struct nl_msg *msg, void *arg)
return NL_OK;
}
-static const int mcast_flags_mandatory[] = {
- BATADV_ATTR_ORIG_ADDRESS,
-};
-
-static int mcast_flags_callback(struct nl_msg *msg, void *arg)
-{
- struct nlattr *attrs[BATADV_ATTR_MAX+1];
- struct nlmsghdr *nlh = nlmsg_hdr(msg);
- struct print_opts *opts = arg;
- struct bat_host *bat_host;
- struct genlmsghdr *ghdr;
- uint32_t flags;
- uint8_t *addr;
-
- if (!genlmsg_valid_hdr(nlh, 0)) {
- fputs("Received invalid data from kernel.\n", stderr);
- exit(1);
- }
-
- ghdr = nlmsg_data(nlh);
-
- if (ghdr->cmd != BATADV_CMD_GET_MCAST_FLAGS)
- return NL_OK;
-
- if (nla_parse(attrs, BATADV_ATTR_MAX, genlmsg_attrdata(ghdr, 0),
- genlmsg_len(ghdr), batadv_netlink_policy)) {
- fputs("Received invalid data from kernel.\n", stderr);
- exit(1);
- }
-
- if (missing_mandatory_attrs(attrs, mcast_flags_mandatory,
- ARRAY_SIZE(mcast_flags_mandatory))) {
- fputs("Missing attributes from kernel\n", stderr);
- exit(1);
- }
-
- addr = nla_data(attrs[BATADV_ATTR_ORIG_ADDRESS]);
-
- if (opts->read_opt & MULTICAST_ONLY && !(addr[0] & 0x01))
- return NL_OK;
-
- if (opts->read_opt & UNICAST_ONLY && (addr[0] & 0x01))
- return NL_OK;
-
- bat_host = bat_hosts_find_by_mac((char *)addr);
- if (!(opts->read_opt & USE_BAT_HOSTS) || !bat_host)
- printf("%02x:%02x:%02x:%02x:%02x:%02x ",
- addr[0], addr[1], addr[2],
- addr[3], addr[4], addr[5]);
- else
- printf("%17s ", bat_host->name);
-
- if (attrs[BATADV_ATTR_MCAST_FLAGS]) {
- flags = nla_get_u32(attrs[BATADV_ATTR_MCAST_FLAGS]);
-
- printf("[%c%c%c]\n",
- flags & BATADV_MCAST_WANT_ALL_UNSNOOPABLES ? 'U' : '.',
- flags & BATADV_MCAST_WANT_ALL_IPV4 ? '4' : '.',
- flags & BATADV_MCAST_WANT_ALL_IPV6 ? '6' : '.');
- } else {
- printf("-\n");
- }
-
- return NL_OK;
-}
-
int netlink_print_common(char *mesh_iface, char *orig_iface, int read_opt,
float orig_timeout, float watch_interval,
const char *header, uint8_t nl_cmd,
@@ -1117,69 +1051,6 @@ int netlink_print_translocal(char *mesh_iface, char *orig_iface, int read_opts,
translocal_callback);
}
-int netlink_print_mcast_flags(char *mesh_iface, char *orig_iface, int read_opts,
- float orig_timeout, float watch_interval)
-{
- char querier4, querier6, shadowing4, shadowing6;
- char *info_header;
- char *header;
- bool bridged;
- int ifindex;
- int ret;
-
- ifindex = if_nametoindex(mesh_iface);
- if (!ifindex) {
- fprintf(stderr, "Interface %s is unknown\n", mesh_iface);
- return -ENODEV;
- }
-
- /* only parse own multicast flags */
- info_header = netlink_get_info(ifindex, BATADV_CMD_GET_MCAST_FLAGS, NULL);
- free(info_header);
-
- if (mcast_flags == -EOPNOTSUPP || mcast_flags_priv == -EOPNOTSUPP)
- return -EOPNOTSUPP;
-
- bridged = mcast_flags_priv & BATADV_MCAST_FLAGS_BRIDGED;
-
- if (bridged) {
- querier4 = (mcast_flags_priv & BATADV_MCAST_FLAGS_QUERIER_IPV4_EXISTS) ? '.' : '4';
- querier6 = (mcast_flags_priv & BATADV_MCAST_FLAGS_QUERIER_IPV6_EXISTS) ? '.' : '6';
- shadowing4 = (mcast_flags_priv & BATADV_MCAST_FLAGS_QUERIER_IPV4_SHADOWING) ? '4' : '.';
- shadowing6 = (mcast_flags_priv & BATADV_MCAST_FLAGS_QUERIER_IPV6_SHADOWING) ? '6' : '.';
- } else {
- querier4 = '?';
- querier6 = '?';
- shadowing4 = '?';
- shadowing6 = '?';
- }
-
- ret = asprintf(&header,
- "Multicast flags (own flags: [%c%c%c])\n"
- "* Bridged [U]\t\t\t\t%c\n"
- "* No IGMP/MLD Querier [4/6]:\t\t%c/%c\n"
- "* Shadowing IGMP/MLD Querier [4/6]:\t%c/%c\n"
- "-------------------------------------------\n"
- " %-10s %s\n",
- (mcast_flags & BATADV_MCAST_WANT_ALL_UNSNOOPABLES) ? 'U' : '.',
- (mcast_flags & BATADV_MCAST_WANT_ALL_IPV4) ? '4' : '.',
- (mcast_flags & BATADV_MCAST_WANT_ALL_IPV6) ? '6' : '.',
- bridged ? 'U' : '.',
- querier4, querier6, shadowing4, shadowing6,
- "Originator", "Flags");
-
- if (ret < 0)
- return ret;
-
- ret = netlink_print_common(mesh_iface, orig_iface, read_opts,
- orig_timeout, watch_interval, header,
- BATADV_CMD_GET_MCAST_FLAGS,
- mcast_flags_callback);
-
- free(header);
- return ret;
-}
-
static int nlquery_error_cb(struct sockaddr_nl *nla __maybe_unused,
struct nlmsgerr *nlerr, void *arg)
{
@@ -25,6 +25,7 @@
#include <netlink/genl/genl.h>
#include <netlink/genl/ctrl.h>
+#include <stdint.h>
struct print_opts {
int read_opt;
@@ -47,8 +48,6 @@ int netlink_print_transglobal(char *mesh_iface, char *orig_iface, int read_opt,
float orig_timeout, float watch_interval);
int netlink_print_translocal(char *mesh_iface, char *orig_iface, int read_opt,
float orig_timeout, float watch_interval);
-int netlink_print_mcast_flags(char *mesh_iface, char *orig_iface, int read_opt,
- float orig_timeout, float watch_interval);
char *netlink_get_info(int ifindex, uint8_t nl_cmd, const char *header);
int translate_mac_netlink(const char *mesh_iface, const struct ether_addr *mac,
@@ -68,5 +67,7 @@ int netlink_print_common(char *mesh_iface, char *orig_iface, int read_opt,
extern char algo_name_buf[256];
extern int last_err;
+extern int64_t mcast_flags;
+extern int64_t mcast_flags_priv;
#endif /* _BATCTL_NETLINK_H */