#include <net/if.h>
#include <errno.h>
#include <string.h>
+#include <stdbool.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include "nl80211.h"
#include "iw.h"
+#define VALID_FLAGS "none: no special flags\n"\
+ "fcsfail: show frames with FCS errors\n"\
+ "control: show control frames\n"\
+ "otherbss: show frames from other BSSes\n"\
+ "cook: use cooked mode"
+
+SECTION(interface);
+
static char *mntr_flags[NL80211_MNTR_FLAG_MAX + 1] = {
"none",
"fcsfail",
while (argc) {
int ok = 0;
for (flag = __NL80211_MNTR_FLAG_INVALID;
- flag < NL80211_MNTR_FLAG_MAX; flag++) {
+ flag <= NL80211_MNTR_FLAG_MAX; flag++) {
if (strcmp(*argv, mntr_flags[flag]) == 0) {
ok = 1;
/*
return err;
}
-/* return 0 if not found, 1 if ok, -1 on error */
-static int get_if_type(int *argc, char ***argv, enum nl80211_iftype *type)
+/* for help */
+#define IFACE_TYPES "Valid interface types are: managed, ibss, monitor, mesh, wds."
+
+/* return 0 if ok, internal error otherwise */
+static int get_if_type(int *argc, char ***argv, enum nl80211_iftype *type,
+ bool need_type)
{
char *tpstr;
- if (*argc < 2)
- return 0;
+ if (*argc < 1 + !!need_type)
+ return 1;
- if (strcmp((*argv)[0], "type"))
- return 0;
+ if (need_type && strcmp((*argv)[0], "type"))
+ return 1;
- tpstr = (*argv)[1];
- *argc -= 2;
- *argv += 2;
+ tpstr = (*argv)[!!need_type];
+ *argc -= 1 + !!need_type;
+ *argv += 1 + !!need_type;
if (strcmp(tpstr, "adhoc") == 0 ||
strcmp(tpstr, "ibss") == 0) {
*type = NL80211_IFTYPE_ADHOC;
- return 1;
+ return 0;
} else if (strcmp(tpstr, "monitor") == 0) {
*type = NL80211_IFTYPE_MONITOR;
- return 1;
- } else if (strcmp(tpstr, "master") == 0) {
- *type = NL80211_IFTYPE_UNSPECIFIED;
- fprintf(stderr, "See http://wireless.kernel.org/RTFM-AP.\n");
- return 2;
- } else if (strcmp(tpstr, "ap") == 0) {
+ return 0;
+ } else if (strcmp(tpstr, "master") == 0 ||
+ strcmp(tpstr, "ap") == 0) {
*type = NL80211_IFTYPE_UNSPECIFIED;
- fprintf(stderr, "See http://wireless.kernel.org/RTFM-AP.\n");
+ fprintf(stderr, "You need to run a management daemon, e.g. hostapd,\n");
+ fprintf(stderr, "see http://wireless.kernel.org/en/users/Documentation/hostapd\n");
+ fprintf(stderr, "for more information on how to do that.\n");
return 2;
} else if (strcmp(tpstr, "__ap") == 0) {
*type = NL80211_IFTYPE_AP;
- return 1;
+ return 0;
} else if (strcmp(tpstr, "__ap_vlan") == 0) {
*type = NL80211_IFTYPE_AP_VLAN;
- return 1;
+ return 0;
} else if (strcmp(tpstr, "wds") == 0) {
*type = NL80211_IFTYPE_WDS;
- return 1;
- } else if (strcmp(tpstr, "station") == 0) {
+ return 0;
+ } else if (strcmp(tpstr, "managed") == 0 ||
+ strcmp(tpstr, "mgd") == 0 ||
+ strcmp(tpstr, "station") == 0) {
*type = NL80211_IFTYPE_STATION;
- return 1;
+ return 0;
} else if (strcmp(tpstr, "mp") == 0 ||
- strcmp(tpstr, "mesh") == 0) {
+ strcmp(tpstr, "mesh") == 0) {
*type = NL80211_IFTYPE_MESH_POINT;
- return 1;
+ return 0;
}
-
fprintf(stderr, "invalid interface type %s\n", tpstr);
- return -1;
+ return 2;
}
-static int handle_interface_add(struct nl_cb *cb,
+static int parse_4addr_flag(const char *value, struct nl_msg *msg)
+{
+ if (strcmp(value, "on") == 0)
+ NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, 1);
+ else if (strcmp(value, "off") == 0)
+ NLA_PUT_U8(msg, NL80211_ATTR_4ADDR, 0);
+ else
+ return 1;
+ return 0;
+
+nla_put_failure:
+ return 1;
+}
+
+static int handle_interface_add(struct nl80211_state *state,
+ struct nl_cb *cb,
struct nl_msg *msg,
int argc, char **argv)
{
argc--;
argv++;
- tpset = get_if_type(&argc, &argv, &type);
- if (tpset != 1)
+ tpset = get_if_type(&argc, &argv, &type, true);
+ if (tpset)
return tpset;
if (argc) {
mesh_id = argv[0];
argc--;
argv++;
+ } else if (strcmp(argv[0], "4addr") == 0) {
+ argc--;
+ argv++;
+ if (parse_4addr_flag(argv[0], msg)) {
+ fprintf(stderr, "4addr error\n");
+ return 2;
+ }
+ argc--;
+ argv++;
} else if (strcmp(argv[0], "flags") == 0) {
argc--;
argv++;
return 1;
NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, name);
- if (tpset)
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, type);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, type);
if (mesh_id)
NLA_PUT(msg, NL80211_ATTR_MESH_ID, strlen(mesh_id), mesh_id);
nla_put_failure:
return -ENOBUFS;
}
-COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [flags ...]",
- NL80211_CMD_NEW_INTERFACE, 0, CIB_PHY, handle_interface_add);
-COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [flags ...]",
- NL80211_CMD_NEW_INTERFACE, 0, CIB_NETDEV, handle_interface_add);
-
-static int handle_interface_del(struct nl_cb *cb,
+COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*]",
+ NL80211_CMD_NEW_INTERFACE, 0, CIB_PHY, handle_interface_add,
+ "Add a new virtual interface with the given configuration.\n"
+ IFACE_TYPES "\n\n"
+ "The flags are only used for monitor interfaces, valid flags are:\n"
+ VALID_FLAGS "\n\n"
+ "The mesh_id is used only for mesh mode.");
+COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*]",
+ NL80211_CMD_NEW_INTERFACE, 0, CIB_NETDEV, handle_interface_add, NULL);
+
+static int handle_interface_del(struct nl80211_state *state,
+ struct nl_cb *cb,
struct nl_msg *msg,
int argc, char **argv)
{
return 0;
}
-TOPLEVEL(del, NULL, NL80211_CMD_DEL_INTERFACE, 0, CIB_NETDEV, handle_interface_del);
+TOPLEVEL(del, NULL, NL80211_CMD_DEL_INTERFACE, 0, CIB_NETDEV, handle_interface_del,
+ "Remove this virtual interface");
HIDDEN(interface, del, NULL, NL80211_CMD_DEL_INTERFACE, 0, CIB_NETDEV, handle_interface_del);
static int print_iface_handler(struct nl_msg *msg, void *arg)
{
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
+ unsigned int *wiphy = arg;
+ const char *indent = "";
nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
+ if (wiphy && tb_msg[NL80211_ATTR_WIPHY]) {
+ unsigned int thiswiphy = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]);
+ indent = "\t";
+ if (*wiphy != thiswiphy)
+ printf("phy#%d\n", thiswiphy);
+ *wiphy = thiswiphy;
+ }
+
if (tb_msg[NL80211_ATTR_IFNAME])
- printf("Interface %s\n", nla_get_string(tb_msg[NL80211_ATTR_IFNAME]));
+ printf("%sInterface %s\n", indent, nla_get_string(tb_msg[NL80211_ATTR_IFNAME]));
if (tb_msg[NL80211_ATTR_IFINDEX])
- printf("\tifindex %d\n", nla_get_u32(tb_msg[NL80211_ATTR_IFINDEX]));
+ printf("%s\tifindex %d\n", indent, nla_get_u32(tb_msg[NL80211_ATTR_IFINDEX]));
if (tb_msg[NL80211_ATTR_IFTYPE])
- printf("\ttype %s\n", iftype_name(nla_get_u32(tb_msg[NL80211_ATTR_IFTYPE])));
+ printf("%s\ttype %s\n", indent, iftype_name(nla_get_u32(tb_msg[NL80211_ATTR_IFTYPE])));
return NL_SKIP;
}
-static int handle_interface_info(struct nl_cb *cb,
+static int handle_interface_info(struct nl80211_state *state,
+ struct nl_cb *cb,
struct nl_msg *msg,
int argc, char **argv)
{
nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_iface_handler, NULL);
return 0;
}
-TOPLEVEL(info, NULL, NL80211_CMD_GET_INTERFACE, 0, CIB_NETDEV, handle_interface_info);
+TOPLEVEL(info, NULL, NL80211_CMD_GET_INTERFACE, 0, CIB_NETDEV, handle_interface_info,
+ "Show information for this interface.");
-static int handle_interface_set(struct nl_cb *cb,
+static int handle_interface_set(struct nl80211_state *state,
+ struct nl_cb *cb,
struct nl_msg *msg,
int argc, char **argv)
{
nla_put_failure:
return -ENOBUFS;
}
-COMMAND(set, monitor, "<flag> [...]",
- NL80211_CMD_SET_INTERFACE, 0, CIB_NETDEV, handle_interface_set);
+COMMAND(set, monitor, "<flag>*",
+ NL80211_CMD_SET_INTERFACE, 0, CIB_NETDEV, handle_interface_set,
+ "Set monitor flags. Valid flags are:\n"
+ VALID_FLAGS);
-static int handle_interface_meshid(struct nl_cb *cb,
+static int handle_interface_meshid(struct nl80211_state *state,
+ struct nl_cb *cb,
struct nl_msg *msg,
int argc, char **argv)
{
return -ENOBUFS;
}
COMMAND(set, meshid, "<meshid>",
- NL80211_CMD_SET_INTERFACE, 0, CIB_NETDEV, handle_interface_meshid);
+ NL80211_CMD_SET_INTERFACE, 0, CIB_NETDEV, handle_interface_meshid, NULL);
+
+static unsigned int dev_dump_wiphy;
+
+static int handle_dev_dump(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv)
+{
+ dev_dump_wiphy = -1;
+ nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_iface_handler, &dev_dump_wiphy);
+ return 0;
+}
+TOPLEVEL(dev, NULL, NL80211_CMD_GET_INTERFACE, NLM_F_DUMP, CIB_NONE, handle_dev_dump,
+ "List all network interfaces for wireless hardware.");
+
+static int handle_interface_type(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv)
+{
+ enum nl80211_iftype type;
+ int tpset;
+
+ tpset = get_if_type(&argc, &argv, &type, false);
+ if (tpset)
+ return tpset;
+
+ if (argc)
+ return 1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, type);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+COMMAND(set, type, "<type>",
+ NL80211_CMD_SET_INTERFACE, 0, CIB_NETDEV, handle_interface_type,
+ "Set interface type/mode.\n"
+ IFACE_TYPES);
projects / thirdparty / iw.git / blobdiff