-#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\n"\
+ "active: use active mode (ACK incoming unicast packets)"
+
+SECTION(interface);
+
static char *mntr_flags[NL80211_MNTR_FLAG_MAX + 1] = {
"none",
"fcsfail",
"control",
"otherbss",
"cook",
+ "active",
};
static int parse_mntr_flags(int *_argc, char ***_argv,
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, "ocb") == 0) {
+ *type = NL80211_IFTYPE_OCB;
+ 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;
+ 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) {
*type = NL80211_IFTYPE_MESH_POINT;
- return 1;
+ return 0;
+ } else if (strcmp(tpstr, "__p2pcl") == 0) {
+ *type = NL80211_IFTYPE_P2P_CLIENT;
+ return 0;
+ } else if (strcmp(tpstr, "__p2pdev") == 0) {
+ *type = NL80211_IFTYPE_P2P_DEVICE;
+ return 0;
+ } else if (strcmp(tpstr, "__p2pgo") == 0) {
+ *type = NL80211_IFTYPE_P2P_GO;
+ return 0;
}
-
fprintf(stderr, "invalid interface type %s\n", tpstr);
- return -1;
+ return 2;
+}
+
+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)
+ int argc, char **argv,
+ enum id_input id)
{
char *name;
char *mesh_id = NULL;
enum nl80211_iftype type;
int tpset;
+ unsigned char mac_addr[ETH_ALEN];
+ int found_mac = 0;
if (argc < 1)
return 1;
argc--;
argv++;
- tpset = get_if_type(&argc, &argv, &type);
- if (tpset != 1)
+ tpset = get_if_type(&argc, &argv, &type, true);
+ if (tpset)
return tpset;
+try_another:
if (argc) {
if (strcmp(argv[0], "mesh_id") == 0) {
argc--;
mesh_id = argv[0];
argc--;
argv++;
+ } else if (strcmp(argv[0], "addr") == 0) {
+ argc--;
+ argv++;
+ if (mac_addr_a2n(mac_addr, argv[0])) {
+ fprintf(stderr, "Invalid MAC address\n");
+ return 2;
+ }
+ argc--;
+ argv++;
+ found_mac = 1;
+ goto try_another;
+ } 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);
+ if (found_mac)
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
return 0;
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);
+COMMAND(interface, add, "<name> type <type> [mesh_id <meshid>] [4addr on|off] [flags <flag>*] [addr <mac-addr>]",
+ 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>*] [addr <mac-addr>]",
+ 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)
+ int argc, char **argv,
+ enum id_input id)
{
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 char *channel_type_name(enum nl80211_channel_type channel_type)
+{
+ switch (channel_type) {
+ case NL80211_CHAN_NO_HT:
+ return "NO HT";
+ case NL80211_CHAN_HT20:
+ return "HT20";
+ case NL80211_CHAN_HT40MINUS:
+ return "HT40-";
+ case NL80211_CHAN_HT40PLUS:
+ return "HT40+";
+ default:
+ return "unknown";
+ }
+}
+
+char *channel_width_name(enum nl80211_chan_width width)
+{
+ switch (width) {
+ case NL80211_CHAN_WIDTH_20_NOHT:
+ return "20 MHz (no HT)";
+ case NL80211_CHAN_WIDTH_20:
+ return "20 MHz";
+ case NL80211_CHAN_WIDTH_40:
+ return "40 MHz";
+ case NL80211_CHAN_WIDTH_80:
+ return "80 MHz";
+ case NL80211_CHAN_WIDTH_80P80:
+ return "80+80 MHz";
+ case NL80211_CHAN_WIDTH_160:
+ return "160 MHz";
+ default:
+ return "unknown";
+ }
+}
+
static int print_iface_handler(struct nl_msg *msg, void *arg)
{
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
if (tb_msg[NL80211_ATTR_IFNAME])
printf("%sInterface %s\n", indent, nla_get_string(tb_msg[NL80211_ATTR_IFNAME]));
+ else
+ printf("%sUnnamed/non-netdev interface\n", indent);
if (tb_msg[NL80211_ATTR_IFINDEX])
printf("%s\tifindex %d\n", indent, nla_get_u32(tb_msg[NL80211_ATTR_IFINDEX]));
+ if (tb_msg[NL80211_ATTR_WDEV])
+ printf("%s\twdev 0x%llx\n", indent,
+ (unsigned long long)nla_get_u64(tb_msg[NL80211_ATTR_WDEV]));
+ if (tb_msg[NL80211_ATTR_MAC]) {
+ char mac_addr[20];
+ mac_addr_n2a(mac_addr, nla_data(tb_msg[NL80211_ATTR_MAC]));
+ printf("%s\taddr %s\n", indent, mac_addr);
+ }
+ if (tb_msg[NL80211_ATTR_SSID]) {
+ printf("%s\tssid ", indent);
+ print_ssid_escaped(nla_len(tb_msg[NL80211_ATTR_SSID]),
+ nla_data(tb_msg[NL80211_ATTR_SSID]));
+ printf("\n");
+ }
if (tb_msg[NL80211_ATTR_IFTYPE])
printf("%s\ttype %s\n", indent, iftype_name(nla_get_u32(tb_msg[NL80211_ATTR_IFTYPE])));
+ if (!wiphy && tb_msg[NL80211_ATTR_WIPHY])
+ printf("%s\twiphy %d\n", indent, nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]));
+ if (tb_msg[NL80211_ATTR_WIPHY_FREQ]) {
+ uint32_t freq = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_FREQ]);
+
+ printf("%s\tchannel %d (%d MHz)", indent,
+ ieee80211_frequency_to_channel(freq), freq);
+
+ if (tb_msg[NL80211_ATTR_CHANNEL_WIDTH]) {
+ printf(", width: %s",
+ channel_width_name(nla_get_u32(tb_msg[NL80211_ATTR_CHANNEL_WIDTH])));
+ if (tb_msg[NL80211_ATTR_CENTER_FREQ1])
+ printf(", center1: %d MHz",
+ nla_get_u32(tb_msg[NL80211_ATTR_CENTER_FREQ1]));
+ if (tb_msg[NL80211_ATTR_CENTER_FREQ2])
+ printf(", center2: %d MHz",
+ nla_get_u32(tb_msg[NL80211_ATTR_CENTER_FREQ2]));
+ } else if (tb_msg[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
+ enum nl80211_channel_type channel_type;
+
+ channel_type = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
+ printf(" %s", channel_type_name(channel_type));
+ }
+
+ printf("\n");
+ }
+
+ if (tb_msg[NL80211_ATTR_WIPHY_TX_POWER_LEVEL]) {
+ uint32_t txp = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_TX_POWER_LEVEL]);
+
+ printf("%s\ttxpower %d.%.2d dBm\n",
+ indent, txp / 100, txp % 100);
+ }
return NL_SKIP;
}
static int handle_interface_info(struct nl80211_state *state,
- struct nl_cb *cb,
struct nl_msg *msg,
- int argc, char **argv)
+ int argc, char **argv,
+ enum id_input id)
{
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_iface_handler, NULL);
+ register_handler(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 nl80211_state *state,
- struct nl_cb *cb,
struct nl_msg *msg,
- int argc, char **argv)
+ int argc, char **argv,
+ enum id_input id)
{
if (!argc)
return 1;
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 nl80211_state *state,
- struct nl_cb *cb,
struct nl_msg *msg,
- int argc, char **argv)
+ int argc, char **argv,
+ enum id_input id)
{
char *mesh_id = NULL;
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)
+ int argc, char **argv,
+ enum id_input id)
{
dev_dump_wiphy = -1;
- nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_iface_handler, &dev_dump_wiphy);
+ register_handler(print_iface_handler, &dev_dump_wiphy);
return 0;
}
-TOPLEVEL(dev, NULL, NL80211_CMD_GET_INTERFACE, NLM_F_DUMP, CIB_NONE, handle_dev_dump);
+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_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ 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);
+
+static int handle_interface_4addr(struct nl80211_state *state,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ if (argc != 1)
+ return 1;
+ return parse_4addr_flag(argv[0], msg);
+}
+COMMAND(set, 4addr, "<on|off>",
+ NL80211_CMD_SET_INTERFACE, 0, CIB_NETDEV, handle_interface_4addr,
+ "Set interface 4addr (WDS) mode.");
+
+static int handle_interface_noack_map(struct nl80211_state *state,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ uint16_t noack_map;
+ char *end;
+
+ if (argc != 1)
+ return 1;
+
+ noack_map = strtoul(argv[0], &end, 16);
+ if (*end)
+ return 1;
+
+ NLA_PUT_U16(msg, NL80211_ATTR_NOACK_MAP, noack_map);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+
+}
+COMMAND(set, noack_map, "<map>",
+ NL80211_CMD_SET_NOACK_MAP, 0, CIB_NETDEV, handle_interface_noack_map,
+ "Set the NoAck map for the TIDs. (0x0009 = BE, 0x0006 = BK, 0x0030 = VI, 0x00C0 = VO)");
+
+
+static int handle_interface_wds_peer(struct nl80211_state *state,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ unsigned char mac_addr[ETH_ALEN];
+
+ if (argc < 1)
+ return 1;
+
+ if (mac_addr_a2n(mac_addr, argv[0])) {
+ fprintf(stderr, "Invalid MAC address\n");
+ return 2;
+ }
+
+ argc--;
+ argv++;
+
+ if (argc)
+ return 1;
+
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+COMMAND(set, peer, "<MAC address>",
+ NL80211_CMD_SET_WDS_PEER, 0, CIB_NETDEV, handle_interface_wds_peer,
+ "Set interface WDS peer.");
+
+static int set_mcast_rate(struct nl80211_state *state,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ float rate;
+ char *end;
+
+ if (argc != 1)
+ return 1;
+
+ rate = strtod(argv[0], &end);
+ if (*end != '\0')
+ return 1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_MCAST_RATE, (int)(rate * 10));
+
+ return 0;
+nla_put_failure:
+ return -ENOBUFS;
+}
+
+COMMAND(set, mcast_rate, "<rate in Mbps>",
+ NL80211_CMD_SET_MCAST_RATE, 0, CIB_NETDEV, set_mcast_rate,
+ "Set the multicast bitrate.");
projects / thirdparty / iw.git / blobdiff