#include "includes.h"
#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
#include <net/if.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include <netlink/genl/ctrl.h>
+#include <linux/rtnetlink.h>
#include <netpacket/packet.h>
#include <linux/filter.h>
#include "nl80211_copy.h"
#include "common.h"
#include "eloop.h"
+#include "utils/list.h"
#include "common/ieee802_11_defs.h"
#include "netlink.h"
#include "linux_ioctl.h"
#include "radiotap.h"
#include "radiotap_iter.h"
+#include "rfkill.h"
#include "driver.h"
#ifdef CONFIG_LIBNL20
/* libnl 2.0 compatibility code */
#define nl_handle nl_sock
-#define nl_handle_alloc_cb nl_socket_alloc_cb
-#define nl_handle_destroy nl_socket_free
+#define nl80211_handle_alloc nl_socket_alloc_cb
+#define nl80211_handle_destroy nl_socket_free
+#else
+/*
+ * libnl 1.1 has a bug, it tries to allocate socket numbers densely
+ * but when you free a socket again it will mess up its bitmap and
+ * and use the wrong number the next time it needs a socket ID.
+ * Therefore, we wrap the handle alloc/destroy and add our own pid
+ * accounting.
+ */
+static uint32_t port_bitmap[32] = { 0 };
+
+static struct nl_handle *nl80211_handle_alloc(void *cb)
+{
+ struct nl_handle *handle;
+ uint32_t pid = getpid() & 0x3FFFFF;
+ int i;
+
+ handle = nl_handle_alloc_cb(cb);
+
+ for (i = 0; i < 1024; i++) {
+ if (port_bitmap[i / 32] & (1 << (i % 32)))
+ continue;
+ port_bitmap[i / 32] |= 1 << (i % 32);
+ pid += i << 22;
+ break;
+ }
+
+ nl_socket_set_local_port(handle, pid);
+
+ return handle;
+}
+
+static void nl80211_handle_destroy(struct nl_handle *handle)
+{
+ uint32_t port = nl_socket_get_local_port(handle);
+
+ port >>= 22;
+ port_bitmap[port / 32] &= ~(1 << (port % 32));
+
+ nl_handle_destroy(handle);
+}
#endif /* CONFIG_LIBNL20 */
#define IF_OPER_UP 6
#endif
+struct nl80211_global {
+ struct dl_list interfaces;
+};
+
struct i802_bss {
struct wpa_driver_nl80211_data *drv;
struct i802_bss *next;
int ifindex;
char ifname[IFNAMSIZ + 1];
+ char brname[IFNAMSIZ];
unsigned int beacon_set:1;
+ unsigned int added_if_into_bridge:1;
+ unsigned int added_bridge:1;
};
struct wpa_driver_nl80211_data {
+ struct nl80211_global *global;
+ struct dl_list list;
+ u8 addr[ETH_ALEN];
+ char phyname[32];
void *ctx;
struct netlink_data *netlink;
int ioctl_sock; /* socket for ioctl() use */
- char brname[IFNAMSIZ];
int ifindex;
int if_removed;
+ int if_disabled;
+ struct rfkill_data *rfkill;
struct wpa_driver_capa capa;
int has_capability;
struct nl_handle *nl_handle;
struct nl_handle *nl_handle_event;
+ struct nl_handle *nl_handle_preq;
struct nl_cache *nl_cache;
struct nl_cache *nl_cache_event;
+ struct nl_cache *nl_cache_preq;
struct nl_cb *nl_cb;
struct genl_family *nl80211;
int monitor_sock;
int monitor_ifidx;
- int probe_req_report;
+ int no_monitor_iface_capab;
int disable_11b_rates;
unsigned int pending_remain_on_chan:1;
- unsigned int pending_send_action:1;
- unsigned int added_bridge:1;
- unsigned int added_if_into_bridge:1;
u64 remain_on_chan_cookie;
u64 send_action_cookie;
+ unsigned int last_mgmt_freq;
+
struct wpa_driver_scan_filter *filter_ssids;
size_t num_filter_ssids;
int local_state_change);
static void nl80211_remove_monitor_interface(
struct wpa_driver_nl80211_data *drv);
+static int nl80211_send_frame_cmd(struct wpa_driver_nl80211_data *drv,
+ unsigned int freq, unsigned int wait,
+ const u8 *buf, size_t buf_len, u64 *cookie);
+static int wpa_driver_nl80211_probe_req_report(void *priv, int report);
#ifdef HOSTAPD
static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
-static int i802_set_freq(void *priv, struct hostapd_freq_params *freq);
+static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
static int wpa_driver_nl80211_if_remove(void *priv,
enum wpa_driver_if_type type,
const char *ifname);
+#else /* HOSTAPD */
+static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
+{
+ return 0;
+}
#endif /* HOSTAPD */
-static void wpa_driver_nl80211_probe_req_report_timeout(void *eloop_ctx,
- void *timeout_ctx);
+static int i802_set_freq(void *priv, struct hostapd_freq_params *freq);
static int nl80211_disable_11b_rates(struct wpa_driver_nl80211_data *drv,
int ifindex, int disabled);
+static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv);
+
+
+struct nl80211_bss_info_arg {
+ struct wpa_driver_nl80211_data *drv;
+ struct wpa_scan_results *res;
+ unsigned int assoc_freq;
+};
+
+static int bss_info_handler(struct nl_msg *msg, void *arg);
+
/* nl80211 code */
static int ack_handler(struct nl_msg *msg, void *arg)
struct wpa_driver_nl80211_data *drv = ctx;
int attrlen, rta_len;
struct rtattr *attr;
+ u32 brid = 0;
- if (!wpa_driver_nl80211_own_ifindex(drv, ifi->ifi_index, buf, len)) {
- wpa_printf(MSG_DEBUG, "Ignore event for foreign ifindex %d",
- ifi->ifi_index);
+ if (!wpa_driver_nl80211_own_ifindex(drv, ifi->ifi_index, buf, len) &&
+ !have_ifidx(drv, ifi->ifi_index)) {
+ wpa_printf(MSG_DEBUG, "nl80211: Ignore event for foreign "
+ "ifindex %d", ifi->ifi_index);
return;
}
(ifi->ifi_flags & IFF_RUNNING) ? "[RUNNING]" : "",
(ifi->ifi_flags & IFF_LOWER_UP) ? "[LOWER_UP]" : "",
(ifi->ifi_flags & IFF_DORMANT) ? "[DORMANT]" : "");
+
+ if (!drv->if_disabled && !(ifi->ifi_flags & IFF_UP)) {
+ wpa_printf(MSG_DEBUG, "nl80211: Interface down");
+ drv->if_disabled = 1;
+ wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_DISABLED, NULL);
+ }
+
+ if (drv->if_disabled && (ifi->ifi_flags & IFF_UP)) {
+ wpa_printf(MSG_DEBUG, "nl80211: Interface up");
+ drv->if_disabled = 0;
+ wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_ENABLED, NULL);
+ }
+
/*
* Some drivers send the association event before the operup event--in
* this case, lifting operstate in wpa_driver_nl80211_set_operstate()
drv,
((char *) attr) + rta_len,
attr->rta_len - rta_len, 0);
- }
+ } else if (attr->rta_type == IFLA_MASTER)
+ brid = nla_get_u32((struct nlattr *) attr);
attr = RTA_NEXT(attr, attrlen);
}
+
+#ifdef HOSTAPD
+ if (ifi->ifi_family == AF_BRIDGE && brid) {
+ /* device has been added to bridge */
+ char namebuf[IFNAMSIZ];
+ if_indextoname(brid, namebuf);
+ wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
+ brid, namebuf);
+ add_ifidx(drv, brid);
+ }
+#endif /* HOSTAPD */
}
struct wpa_driver_nl80211_data *drv = ctx;
int attrlen, rta_len;
struct rtattr *attr;
+ u32 brid = 0;
attrlen = len;
attr = (struct rtattr *) buf;
drv,
((char *) attr) + rta_len,
attr->rta_len - rta_len, 1);
- }
+ } else if (attr->rta_type == IFLA_MASTER)
+ brid = nla_get_u32((struct nlattr *) attr);
attr = RTA_NEXT(attr, attrlen);
}
+
+#ifdef HOSTAPD
+ if (ifi->ifi_family == AF_BRIDGE && brid) {
+ /* device has been removed from bridge */
+ char namebuf[IFNAMSIZ];
+ if_indextoname(brid, namebuf);
+ wpa_printf(MSG_DEBUG, "nl80211: Remove ifindex %u for bridge "
+ "%s", brid, namebuf);
+ del_ifidx(drv, brid);
+ }
+#endif /* HOSTAPD */
}
}
+static unsigned int nl80211_get_assoc_freq(struct wpa_driver_nl80211_data *drv)
+{
+ struct nl_msg *msg;
+ int ret;
+ struct nl80211_bss_info_arg arg;
+
+ os_memset(&arg, 0, sizeof(arg));
+ msg = nlmsg_alloc();
+ if (!msg)
+ goto nla_put_failure;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, NLM_F_DUMP,
+ NL80211_CMD_GET_SCAN, 0);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+
+ arg.drv = drv;
+ ret = send_and_recv_msgs(drv, msg, bss_info_handler, &arg);
+ msg = NULL;
+ if (ret == 0) {
+ wpa_printf(MSG_DEBUG, "nl80211: Operating frequency for the "
+ "associated BSS from scan results: %u MHz",
+ arg.assoc_freq);
+ return arg.assoc_freq ? arg.assoc_freq : drv->assoc_freq;
+ }
+ wpa_printf(MSG_DEBUG, "nl80211: Scan result fetch failed: ret=%d "
+ "(%s)", ret, strerror(-ret));
+nla_put_failure:
+ nlmsg_free(msg);
+ return drv->assoc_freq;
+}
+
+
static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
const u8 *frame, size_t len)
{
status = le_to_host16(mgmt->u.assoc_resp.status_code);
if (status != WLAN_STATUS_SUCCESS) {
os_memset(&event, 0, sizeof(event));
+ event.assoc_reject.bssid = mgmt->bssid;
if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
event.assoc_reject.resp_ies =
(u8 *) mgmt->u.assoc_resp.variable;
os_memset(&event, 0, sizeof(event));
if (cmd == NL80211_CMD_CONNECT &&
nla_get_u16(status) != WLAN_STATUS_SUCCESS) {
+ if (addr)
+ event.assoc_reject.bssid = nla_data(addr);
if (resp_ie) {
event.assoc_reject.resp_ies = nla_data(resp_ie);
event.assoc_reject.resp_ies_len = nla_len(resp_ie);
event.assoc_info.resp_ies_len = nla_len(resp_ie);
}
+ event.assoc_info.freq = nl80211_get_assoc_freq(drv);
+
wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
}
}
-static void mlme_event_action(struct wpa_driver_nl80211_data *drv,
- struct nlattr *freq, const u8 *frame, size_t len)
+static void mlme_event_mgmt(struct wpa_driver_nl80211_data *drv,
+ struct nlattr *freq, const u8 *frame, size_t len)
{
const struct ieee80211_mgmt *mgmt;
union wpa_event_data event;
stype = WLAN_FC_GET_STYPE(fc);
os_memset(&event, 0, sizeof(event));
- event.rx_action.da = mgmt->da;
- event.rx_action.sa = mgmt->sa;
- event.rx_action.bssid = mgmt->bssid;
- event.rx_action.category = mgmt->u.action.category;
- event.rx_action.data = &mgmt->u.action.category + 1;
- event.rx_action.len = frame + len - event.rx_action.data;
- if (freq)
+ if (freq) {
event.rx_action.freq = nla_get_u32(freq);
- wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event);
+ drv->last_mgmt_freq = event.rx_action.freq;
+ }
+ if (stype == WLAN_FC_STYPE_ACTION) {
+ event.rx_action.da = mgmt->da;
+ event.rx_action.sa = mgmt->sa;
+ event.rx_action.bssid = mgmt->bssid;
+ event.rx_action.category = mgmt->u.action.category;
+ event.rx_action.data = &mgmt->u.action.category + 1;
+ event.rx_action.len = frame + len - event.rx_action.data;
+ wpa_supplicant_event(drv->ctx, EVENT_RX_ACTION, &event);
+ } else {
+ event.rx_mgmt.frame = frame;
+ event.rx_mgmt.frame_len = len;
+ wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
+ }
}
return;
cookie_val = nla_get_u64(cookie);
- wpa_printf(MSG_DEBUG, "nl80211: Action TX status: cookie=0%llx%s",
+ wpa_printf(MSG_DEBUG, "nl80211: Action TX status: cookie=0%llx%s "
+ "(ack=%d)",
(long long unsigned int) cookie_val,
cookie_val == drv->send_action_cookie ?
- " (match)" : " (unknown)");
+ " (match)" : " (unknown)", ack != NULL);
if (cookie_val != drv->send_action_cookie)
return;
}
+static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
+ enum wpa_event_type type,
+ const u8 *frame, size_t len)
+{
+ const struct ieee80211_mgmt *mgmt;
+ union wpa_event_data event;
+ const u8 *bssid = NULL;
+ u16 reason_code = 0;
+
+ mgmt = (const struct ieee80211_mgmt *) frame;
+ if (len >= 24) {
+ bssid = mgmt->bssid;
+
+ if (drv->associated != 0 &&
+ os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
+ os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
+ /*
+ * We have presumably received this deauth as a
+ * response to a clear_state_mismatch() outgoing
+ * deauth. Don't let it take us offline!
+ */
+ wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
+ "from Unknown BSSID " MACSTR " -- ignoring",
+ MAC2STR(bssid));
+ return;
+ }
+ }
+
+ drv->associated = 0;
+ os_memset(&event, 0, sizeof(event));
+
+ /* Note: Same offset for Reason Code in both frame subtypes */
+ if (len >= 24 + sizeof(mgmt->u.deauth))
+ reason_code = le_to_host16(mgmt->u.deauth.reason_code);
+
+ if (type == EVENT_DISASSOC) {
+ event.disassoc_info.addr = bssid;
+ event.disassoc_info.reason_code = reason_code;
+ if (frame + len > mgmt->u.disassoc.variable) {
+ event.disassoc_info.ie = mgmt->u.disassoc.variable;
+ event.disassoc_info.ie_len = frame + len -
+ mgmt->u.disassoc.variable;
+ }
+ } else {
+ event.deauth_info.addr = bssid;
+ event.deauth_info.reason_code = reason_code;
+ if (frame + len > mgmt->u.deauth.variable) {
+ event.deauth_info.ie = mgmt->u.deauth.variable;
+ event.deauth_info.ie_len = frame + len -
+ mgmt->u.deauth.variable;
+ }
+ }
+
+ wpa_supplicant_event(drv->ctx, type, &event);
+}
+
+
+static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
+ enum wpa_event_type type,
+ const u8 *frame, size_t len)
+{
+ const struct ieee80211_mgmt *mgmt;
+ union wpa_event_data event;
+ u16 reason_code = 0;
+
+ if (len < 24)
+ return;
+
+ mgmt = (const struct ieee80211_mgmt *) frame;
+
+ os_memset(&event, 0, sizeof(event));
+ /* Note: Same offset for Reason Code in both frame subtypes */
+ if (len >= 24 + sizeof(mgmt->u.deauth))
+ reason_code = le_to_host16(mgmt->u.deauth.reason_code);
+
+ if (type == EVENT_UNPROT_DISASSOC) {
+ event.unprot_disassoc.sa = mgmt->sa;
+ event.unprot_disassoc.da = mgmt->da;
+ event.unprot_disassoc.reason_code = reason_code;
+ } else {
+ event.unprot_deauth.sa = mgmt->sa;
+ event.unprot_deauth.da = mgmt->da;
+ event.unprot_deauth.reason_code = reason_code;
+ }
+
+ wpa_supplicant_event(drv->ctx, type, &event);
+}
+
+
static void mlme_event(struct wpa_driver_nl80211_data *drv,
enum nl80211_commands cmd, struct nlattr *frame,
struct nlattr *addr, struct nlattr *timed_out,
mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
break;
case NL80211_CMD_DEAUTHENTICATE:
- drv->associated = 0;
- wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, NULL);
+ mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
+ nla_data(frame), nla_len(frame));
break;
case NL80211_CMD_DISASSOCIATE:
- drv->associated = 0;
- wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
+ mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
+ nla_data(frame), nla_len(frame));
break;
- case NL80211_CMD_ACTION:
- mlme_event_action(drv, freq, nla_data(frame), nla_len(frame));
+ case NL80211_CMD_FRAME:
+ mlme_event_mgmt(drv, freq, nla_data(frame), nla_len(frame));
break;
- case NL80211_CMD_ACTION_TX_STATUS:
+ case NL80211_CMD_FRAME_TX_STATUS:
mlme_event_action_tx_status(drv, cookie, nla_data(frame),
nla_len(frame), ack);
break;
+ case NL80211_CMD_UNPROT_DEAUTHENTICATE:
+ mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
+ nla_data(frame), nla_len(frame));
+ break;
+ case NL80211_CMD_UNPROT_DISASSOCIATE:
+ mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
+ nla_data(frame), nla_len(frame));
+ break;
default:
break;
}
}
+static int get_link_signal(struct nl_msg *msg, void *arg)
+{
+ struct nlattr *tb[NL80211_ATTR_MAX + 1];
+ struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+ struct nlattr *sinfo[NL80211_STA_INFO_MAX + 1];
+ static struct nla_policy policy[NL80211_STA_INFO_MAX + 1] = {
+ [NL80211_STA_INFO_SIGNAL] = { .type = NLA_U8 },
+ };
+ struct nlattr *rinfo[NL80211_RATE_INFO_MAX + 1];
+ static struct nla_policy rate_policy[NL80211_RATE_INFO_MAX + 1] = {
+ [NL80211_RATE_INFO_BITRATE] = { .type = NLA_U16 },
+ [NL80211_RATE_INFO_MCS] = { .type = NLA_U8 },
+ [NL80211_RATE_INFO_40_MHZ_WIDTH] = { .type = NLA_FLAG },
+ [NL80211_RATE_INFO_SHORT_GI] = { .type = NLA_FLAG },
+ };
+ struct wpa_signal_info *sig_change = arg;
+
+ nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+ genlmsg_attrlen(gnlh, 0), NULL);
+ if (!tb[NL80211_ATTR_STA_INFO] ||
+ nla_parse_nested(sinfo, NL80211_STA_INFO_MAX,
+ tb[NL80211_ATTR_STA_INFO], policy))
+ return NL_SKIP;
+ if (!sinfo[NL80211_STA_INFO_SIGNAL])
+ return NL_SKIP;
+
+ sig_change->current_signal =
+ (s8) nla_get_u8(sinfo[NL80211_STA_INFO_SIGNAL]);
+
+ if (sinfo[NL80211_STA_INFO_TX_BITRATE]) {
+ if (nla_parse_nested(rinfo, NL80211_RATE_INFO_MAX,
+ sinfo[NL80211_STA_INFO_TX_BITRATE],
+ rate_policy)) {
+ sig_change->current_txrate = 0;
+ } else {
+ if (rinfo[NL80211_RATE_INFO_BITRATE]) {
+ sig_change->current_txrate =
+ nla_get_u16(rinfo[
+ NL80211_RATE_INFO_BITRATE]) * 100;
+ }
+ }
+ }
+
+ return NL_SKIP;
+}
+
+
+static int nl80211_get_link_signal(struct wpa_driver_nl80211_data *drv,
+ struct wpa_signal_info *sig)
+{
+ struct nl_msg *msg;
+
+ sig->current_signal = -9999;
+ sig->current_txrate = 0;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_GET_STATION, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
+
+ return send_and_recv_msgs(drv, msg, get_link_signal, sig);
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+
+static int get_link_noise(struct nl_msg *msg, void *arg)
+{
+ struct nlattr *tb[NL80211_ATTR_MAX + 1];
+ struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+ struct nlattr *sinfo[NL80211_SURVEY_INFO_MAX + 1];
+ static struct nla_policy survey_policy[NL80211_SURVEY_INFO_MAX + 1] = {
+ [NL80211_SURVEY_INFO_FREQUENCY] = { .type = NLA_U32 },
+ [NL80211_SURVEY_INFO_NOISE] = { .type = NLA_U8 },
+ };
+ struct wpa_signal_info *sig_change = arg;
+
+ nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+ genlmsg_attrlen(gnlh, 0), NULL);
+
+ if (!tb[NL80211_ATTR_SURVEY_INFO]) {
+ wpa_printf(MSG_DEBUG, "nl80211: survey data missing!");
+ return NL_SKIP;
+ }
+
+ if (nla_parse_nested(sinfo, NL80211_SURVEY_INFO_MAX,
+ tb[NL80211_ATTR_SURVEY_INFO],
+ survey_policy)) {
+ wpa_printf(MSG_DEBUG, "nl80211: failed to parse nested "
+ "attributes!");
+ return NL_SKIP;
+ }
+
+ if (!sinfo[NL80211_SURVEY_INFO_FREQUENCY])
+ return NL_SKIP;
+
+ if (nla_get_u32(sinfo[NL80211_SURVEY_INFO_FREQUENCY]) !=
+ sig_change->frequency)
+ return NL_SKIP;
+
+ if (!sinfo[NL80211_SURVEY_INFO_NOISE])
+ return NL_SKIP;
+
+ sig_change->current_noise =
+ (s8) nla_get_u8(sinfo[NL80211_SURVEY_INFO_NOISE]);
+
+ return NL_SKIP;
+}
+
+
+static int nl80211_get_link_noise(struct wpa_driver_nl80211_data *drv,
+ struct wpa_signal_info *sig_change)
+{
+ struct nl_msg *msg;
+
+ sig_change->current_noise = 9999;
+ sig_change->frequency = drv->assoc_freq;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ NLM_F_DUMP, NL80211_CMD_GET_SURVEY, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+
+ return send_and_recv_msgs(drv, msg, get_link_noise, sig_change);
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+
static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
struct nlattr *tb[])
{
[NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
[NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
+ [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
};
struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
enum nl80211_cqm_rssi_threshold_event event;
union wpa_event_data ed;
+ struct wpa_signal_info sig;
+ int res;
if (tb[NL80211_ATTR_CQM] == NULL ||
nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
return;
}
+ os_memset(&ed, 0, sizeof(ed));
+
+ if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
+ if (!tb[NL80211_ATTR_MAC])
+ return;
+ os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
+ ETH_ALEN);
+ wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
+ return;
+ }
+
if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
return;
event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
- os_memset(&ed, 0, sizeof(ed));
-
if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
"event: RSSI high");
} else
return;
+ res = nl80211_get_link_signal(drv, &sig);
+ if (res == 0) {
+ ed.signal_change.current_signal = sig.current_signal;
+ ed.signal_change.current_txrate = sig.current_txrate;
+ wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d",
+ sig.current_signal, sig.current_txrate);
+ }
+
+ res = nl80211_get_link_noise(drv, &sig);
+ if (res == 0) {
+ ed.signal_change.current_noise = sig.current_noise;
+ wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
+ sig.current_noise);
+ }
+
wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
}
+static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
+ struct nlattr **tb)
+{
+ u8 *addr;
+ union wpa_event_data data;
+
+ if (tb[NL80211_ATTR_MAC] == NULL)
+ return;
+ addr = nla_data(tb[NL80211_ATTR_MAC]);
+ wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
+
+ if (drv->nlmode == NL80211_IFTYPE_AP &&
+ drv->no_monitor_iface_capab) {
+ u8 *ies = NULL;
+ size_t ies_len = 0;
+ if (tb[NL80211_ATTR_IE]) {
+ ies = nla_data(tb[NL80211_ATTR_IE]);
+ ies_len = nla_len(tb[NL80211_ATTR_IE]);
+ }
+ wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
+ drv_event_assoc(drv->ctx, addr, ies, ies_len, 0);
+ return;
+ }
+
+ if (drv->nlmode != NL80211_IFTYPE_ADHOC)
+ return;
+
+ os_memset(&data, 0, sizeof(data));
+ os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
+ wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data);
+}
+
+
+static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
+ struct nlattr **tb)
+{
+ u8 *addr;
+ union wpa_event_data data;
+
+ if (tb[NL80211_ATTR_MAC] == NULL)
+ return;
+ addr = nla_data(tb[NL80211_ATTR_MAC]);
+ wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
+ MAC2STR(addr));
+
+ if (drv->nlmode == NL80211_IFTYPE_AP &&
+ drv->no_monitor_iface_capab) {
+ drv_event_disassoc(drv->ctx, addr);
+ return;
+ }
+
+ if (drv->nlmode != NL80211_IFTYPE_ADHOC)
+ return;
+
+ os_memset(&data, 0, sizeof(data));
+ os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
+ wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
+}
+
+
static int process_event(struct nl_msg *msg, void *arg)
{
struct wpa_driver_nl80211_data *drv = arg;
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct nlattr *tb[NL80211_ATTR_MAX + 1];
+ union wpa_event_data data;
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (tb[NL80211_ATTR_IFINDEX]) {
int ifindex = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
- if (ifindex != drv->ifindex) {
+ if (ifindex != drv->ifindex && !have_ifidx(drv, ifindex)) {
wpa_printf(MSG_DEBUG, "nl80211: Ignored event (cmd=%d)"
" for foreign interface (ifindex %d)",
gnlh->cmd, ifindex);
case NL80211_CMD_ASSOCIATE:
case NL80211_CMD_DEAUTHENTICATE:
case NL80211_CMD_DISASSOCIATE:
- case NL80211_CMD_ACTION:
- case NL80211_CMD_ACTION_TX_STATUS:
+ case NL80211_CMD_FRAME:
+ case NL80211_CMD_FRAME_TX_STATUS:
+ case NL80211_CMD_UNPROT_DEAUTHENTICATE:
+ case NL80211_CMD_UNPROT_DISASSOCIATE:
mlme_event(drv, gnlh->cmd, tb[NL80211_ATTR_FRAME],
tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
break;
}
drv->associated = 0;
- wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
+ os_memset(&data, 0, sizeof(data));
+ if (tb[NL80211_ATTR_REASON_CODE])
+ data.disassoc_info.reason_code =
+ nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
+ wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, &data);
break;
case NL80211_CMD_MICHAEL_MIC_FAILURE:
mlme_event_michael_mic_failure(drv, tb);
case NL80211_CMD_NOTIFY_CQM:
nl80211_cqm_event(drv, tb);
break;
- default:
- wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
+ case NL80211_CMD_REG_CHANGE:
+ wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
+ wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
+ NULL);
+ break;
+ case NL80211_CMD_REG_BEACON_HINT:
+ wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
+ wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
+ NULL);
+ break;
+ case NL80211_CMD_NEW_STATION:
+ nl80211_new_station_event(drv, tb);
+ break;
+ case NL80211_CMD_DEL_STATION:
+ nl80211_del_station_event(drv, tb);
+ break;
+ default:
+ wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
"(cmd=%d)", gnlh->cmd);
break;
}
static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
- void *sock_ctx)
+ void *handle)
{
struct nl_cb *cb;
struct wpa_driver_nl80211_data *drv = eloop_ctx;
return;
nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, process_event, drv);
- nl_recvmsgs(drv->nl_handle_event, cb);
+ nl_recvmsgs(handle, cb);
nl_cb_put(cb);
}
}
-#ifndef HOSTAPD
struct wiphy_info_data {
int max_scan_ssids;
int ap_supported;
+ int p2p_supported;
int auth_supported;
int connect_supported;
+ int offchan_tx_supported;
+ int max_remain_on_chan;
};
struct nlattr *tb[NL80211_ATTR_MAX + 1];
struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
struct wiphy_info_data *info = arg;
+ int p2p_go_supported = 0, p2p_client_supported = 0;
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
int i;
nla_for_each_nested(nl_mode,
tb[NL80211_ATTR_SUPPORTED_IFTYPES], i) {
- if (nl_mode->nla_type == NL80211_IFTYPE_AP) {
+ switch (nla_type(nl_mode)) {
+ case NL80211_IFTYPE_AP:
info->ap_supported = 1;
break;
+ case NL80211_IFTYPE_P2P_GO:
+ p2p_go_supported = 1;
+ break;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ p2p_client_supported = 1;
+ break;
}
}
}
+ info->p2p_supported = p2p_go_supported && p2p_client_supported;
+
if (tb[NL80211_ATTR_SUPPORTED_COMMANDS]) {
struct nlattr *nl_cmd;
int i;
}
}
+ if (tb[NL80211_ATTR_OFFCHANNEL_TX_OK])
+ info->offchan_tx_supported = 1;
+
+ if (tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION])
+ info->max_remain_on_chan =
+ nla_get_u32(tb[NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION]);
+
return NL_SKIP;
}
struct nl_msg *msg;
os_memset(info, 0, sizeof(*info));
+
+ /* default to 5000 since early versions of mac80211 don't set it */
+ info->max_remain_on_chan = 5000;
+
msg = nlmsg_alloc();
if (!msg)
return -1;
return -1;
}
+ if (info.offchan_tx_supported) {
+ wpa_printf(MSG_DEBUG, "nl80211: Using driver-based "
+ "off-channel TX");
+ drv->capa.flags |= WPA_DRIVER_FLAGS_OFFCHANNEL_TX;
+ }
+
+ drv->capa.flags |= WPA_DRIVER_FLAGS_SANE_ERROR_CODES;
drv->capa.flags |= WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE;
+ if (info.p2p_supported)
+ drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
+ drv->capa.flags |= WPA_DRIVER_FLAGS_EAPOL_TX_STATUS;
+ drv->capa.max_remain_on_chan = info.max_remain_on_chan;
return 0;
}
-#endif /* HOSTAPD */
-static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv,
- void *ctx)
+static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
{
int ret;
goto err1;
}
- drv->nl_handle = nl_handle_alloc_cb(drv->nl_cb);
+ drv->nl_handle = nl80211_handle_alloc(drv->nl_cb);
if (drv->nl_handle == NULL) {
wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
"callbacks");
goto err2;
}
- drv->nl_handle_event = nl_handle_alloc_cb(drv->nl_cb);
+ drv->nl_handle_event = nl80211_handle_alloc(drv->nl_cb);
if (drv->nl_handle_event == NULL) {
wpa_printf(MSG_ERROR, "nl80211: Failed to allocate netlink "
"callbacks (event)");
goto err4;
}
+ ret = nl_get_multicast_id(drv, "nl80211", "regulatory");
+ if (ret >= 0)
+ ret = nl_socket_add_membership(drv->nl_handle_event, ret);
+ if (ret < 0) {
+ wpa_printf(MSG_DEBUG, "nl80211: Could not add multicast "
+ "membership for regulatory events: %d (%s)",
+ ret, strerror(-ret));
+ /* Continue without regulatory events */
+ }
+
eloop_register_read_sock(nl_socket_get_fd(drv->nl_handle_event),
- wpa_driver_nl80211_event_receive, drv, ctx);
+ wpa_driver_nl80211_event_receive, drv,
+ drv->nl_handle_event);
return 0;
err3b:
nl_cache_free(drv->nl_cache);
err3:
- nl_handle_destroy(drv->nl_handle_event);
+ nl80211_handle_destroy(drv->nl_handle_event);
err2b:
- nl_handle_destroy(drv->nl_handle);
+ nl80211_handle_destroy(drv->nl_handle);
err2:
nl_cb_put(drv->nl_cb);
err1:
}
+static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
+{
+ wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
+ /*
+ * This may be for any interface; use ifdown event to disable
+ * interface.
+ */
+}
+
+
+static void wpa_driver_nl80211_rfkill_unblocked(void *ctx)
+{
+ struct wpa_driver_nl80211_data *drv = ctx;
+ wpa_printf(MSG_DEBUG, "nl80211: RFKILL unblocked");
+ if (linux_set_iface_flags(drv->ioctl_sock, drv->first_bss.ifname, 1)) {
+ wpa_printf(MSG_DEBUG, "nl80211: Could not set interface UP "
+ "after rfkill unblock");
+ return;
+ }
+ /* rtnetlink ifup handler will report interface as enabled */
+}
+
+
+static void nl80211_get_phy_name(struct wpa_driver_nl80211_data *drv)
+{
+ /* Find phy (radio) to which this interface belongs */
+ char buf[90], *pos;
+ int f, rv;
+
+ drv->phyname[0] = '\0';
+ snprintf(buf, sizeof(buf) - 1, "/sys/class/net/%s/phy80211/name",
+ drv->first_bss.ifname);
+ f = open(buf, O_RDONLY);
+ if (f < 0) {
+ wpa_printf(MSG_DEBUG, "Could not open file %s: %s",
+ buf, strerror(errno));
+ return;
+ }
+
+ rv = read(f, drv->phyname, sizeof(drv->phyname) - 1);
+ close(f);
+ if (rv < 0) {
+ wpa_printf(MSG_DEBUG, "Could not read file %s: %s",
+ buf, strerror(errno));
+ return;
+ }
+
+ drv->phyname[rv] = '\0';
+ pos = os_strchr(drv->phyname, '\n');
+ if (pos)
+ *pos = '\0';
+ wpa_printf(MSG_DEBUG, "nl80211: interface %s in phy %s",
+ drv->first_bss.ifname, drv->phyname);
+}
+
+
/**
* wpa_driver_nl80211_init - Initialize nl80211 driver interface
* @ctx: context to be used when calling wpa_supplicant functions,
* e.g., wpa_supplicant_event()
* @ifname: interface name, e.g., wlan0
+ * @global_priv: private driver global data from global_init()
* Returns: Pointer to private data, %NULL on failure
*/
-static void * wpa_driver_nl80211_init(void *ctx, const char *ifname)
+static void * wpa_driver_nl80211_init(void *ctx, const char *ifname,
+ void *global_priv)
{
struct wpa_driver_nl80211_data *drv;
struct netlink_config *cfg;
+ struct rfkill_config *rcfg;
struct i802_bss *bss;
drv = os_zalloc(sizeof(*drv));
if (drv == NULL)
return NULL;
+ drv->global = global_priv;
drv->ctx = ctx;
bss = &drv->first_bss;
bss->drv = drv;
drv->monitor_sock = -1;
drv->ioctl_sock = -1;
- if (wpa_driver_nl80211_init_nl(drv, ctx)) {
+ if (wpa_driver_nl80211_init_nl(drv)) {
os_free(drv);
return NULL;
}
+ nl80211_get_phy_name(drv);
+
drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
if (drv->ioctl_sock < 0) {
perror("socket(PF_INET,SOCK_DGRAM)");
os_free(cfg);
goto failed;
}
+
+ rcfg = os_zalloc(sizeof(*rcfg));
+ if (rcfg == NULL)
+ goto failed;
+ rcfg->ctx = drv;
+ os_strlcpy(rcfg->ifname, ifname, sizeof(rcfg->ifname));
+ rcfg->blocked_cb = wpa_driver_nl80211_rfkill_blocked;
+ rcfg->unblocked_cb = wpa_driver_nl80211_rfkill_unblocked;
+ drv->rfkill = rfkill_init(rcfg);
+ if (drv->rfkill == NULL) {
+ wpa_printf(MSG_DEBUG, "nl80211: RFKILL status not available");
+ os_free(rcfg);
+ }
+
if (wpa_driver_nl80211_finish_drv_init(drv))
goto failed;
+ if (drv->global)
+ dl_list_add(&drv->global->interfaces, &drv->list);
+
return bss;
failed:
+ rfkill_deinit(drv->rfkill);
netlink_deinit(drv->netlink);
if (drv->ioctl_sock >= 0)
close(drv->ioctl_sock);
genl_family_put(drv->nl80211);
nl_cache_free(drv->nl_cache);
- nl_handle_destroy(drv->nl_handle);
+ nl80211_handle_destroy(drv->nl_handle);
nl_cb_put(drv->nl_cb);
eloop_unregister_read_sock(nl_socket_get_fd(drv->nl_handle_event));
}
-static int nl80211_register_action_frame(struct wpa_driver_nl80211_data *drv,
- const u8 *match, size_t match_len)
+static int nl80211_register_frame(struct wpa_driver_nl80211_data *drv,
+ struct nl_handle *nl_handle,
+ u16 type, const u8 *match, size_t match_len)
{
struct nl_msg *msg;
int ret = -1;
NL80211_CMD_REGISTER_ACTION, 0);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+ NLA_PUT_U16(msg, NL80211_ATTR_FRAME_TYPE, type);
NLA_PUT(msg, NL80211_ATTR_FRAME_MATCH, match_len, match);
- ret = send_and_recv(drv, drv->nl_handle_event, msg, NULL, NULL);
+ ret = send_and_recv(drv, nl_handle, msg, NULL, NULL);
msg = NULL;
if (ret) {
- wpa_printf(MSG_DEBUG, "nl80211: Register Action command "
- "failed: ret=%d (%s)", ret, strerror(-ret));
- wpa_hexdump(MSG_DEBUG, "nl80211: Register Action match",
+ wpa_printf(MSG_DEBUG, "nl80211: Register frame command "
+ "failed (type=%u): ret=%d (%s)",
+ type, ret, strerror(-ret));
+ wpa_hexdump(MSG_DEBUG, "nl80211: Register frame match",
match, match_len);
goto nla_put_failure;
}
}
+static int nl80211_register_action_frame(struct wpa_driver_nl80211_data *drv,
+ const u8 *match, size_t match_len)
+{
+ u16 type = (WLAN_FC_TYPE_MGMT << 2) | (WLAN_FC_STYPE_ACTION << 4);
+ return nl80211_register_frame(drv, drv->nl_handle_event,
+ type, match, match_len);
+}
+
+
static int nl80211_register_action_frames(struct wpa_driver_nl80211_data *drv)
{
+#ifdef CONFIG_P2P
+ /* GAS Initial Request */
+ if (nl80211_register_action_frame(drv, (u8 *) "\x04\x0a", 2) < 0)
+ return -1;
+ /* GAS Initial Response */
+ if (nl80211_register_action_frame(drv, (u8 *) "\x04\x0b", 2) < 0)
+ return -1;
+ /* GAS Comeback Request */
+ if (nl80211_register_action_frame(drv, (u8 *) "\x04\x0c", 2) < 0)
+ return -1;
+ /* GAS Comeback Response */
+ if (nl80211_register_action_frame(drv, (u8 *) "\x04\x0d", 2) < 0)
+ return -1;
+ /* P2P Public Action */
+ if (nl80211_register_action_frame(drv,
+ (u8 *) "\x04\x09\x50\x6f\x9a\x09",
+ 6) < 0)
+ return -1;
+ /* P2P Action */
+ if (nl80211_register_action_frame(drv,
+ (u8 *) "\x7f\x50\x6f\x9a\x09",
+ 5) < 0)
+ return -1;
+#endif /* CONFIG_P2P */
+#ifdef CONFIG_IEEE80211W
+ /* SA Query Response */
+ if (nl80211_register_action_frame(drv, (u8 *) "\x08\x01", 2) < 0)
+ return -1;
+#endif /* CONFIG_IEEE80211W */
+
/* FT Action frames */
if (nl80211_register_action_frame(drv, (u8 *) "\x06", 1) < 0)
return -1;
}
+static void wpa_driver_nl80211_send_rfkill(void *eloop_ctx, void *timeout_ctx)
+{
+ wpa_supplicant_event(timeout_ctx, EVENT_INTERFACE_DISABLED, NULL);
+}
+
+
static int
wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
{
struct i802_bss *bss = &drv->first_bss;
+ int send_rfkill_event = 0;
drv->ifindex = if_nametoindex(bss->ifname);
drv->first_bss.ifindex = drv->ifindex;
}
if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1)) {
- wpa_printf(MSG_ERROR, "Could not set interface '%s' UP",
- bss->ifname);
- return -1;
+ if (rfkill_is_blocked(drv->rfkill)) {
+ wpa_printf(MSG_DEBUG, "nl80211: Could not yet enable "
+ "interface '%s' due to rfkill",
+ bss->ifname);
+ drv->if_disabled = 1;
+ send_rfkill_event = 1;
+ } else {
+ wpa_printf(MSG_ERROR, "nl80211: Could not set "
+ "interface '%s' UP", bss->ifname);
+ return -1;
+ }
}
- if (wpa_driver_nl80211_capa(drv))
- return -1;
-
netlink_send_oper_ifla(drv->netlink, drv->ifindex,
1, IF_OPER_DORMANT);
#endif /* HOSTAPD */
+ if (wpa_driver_nl80211_capa(drv))
+ return -1;
+
+ if (linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, drv->addr))
+ return -1;
+
if (nl80211_register_action_frames(drv) < 0) {
wpa_printf(MSG_DEBUG, "nl80211: Failed to register Action "
"frame processing - ignore for now");
*/
}
+ if (send_rfkill_event) {
+ eloop_register_timeout(0, 0, wpa_driver_nl80211_send_rfkill,
+ drv, drv->ctx);
+ }
+
return 0;
}
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
- if (drv->added_if_into_bridge) {
- if (linux_br_del_if(drv->ioctl_sock, drv->brname, bss->ifname)
+ if (drv->nl_handle_preq)
+ wpa_driver_nl80211_probe_req_report(bss, 0);
+ if (bss->added_if_into_bridge) {
+ if (linux_br_del_if(drv->ioctl_sock, bss->brname, bss->ifname)
< 0)
wpa_printf(MSG_INFO, "nl80211: Failed to remove "
"interface %s from bridge %s: %s",
- bss->ifname, drv->brname, strerror(errno));
+ bss->ifname, bss->brname, strerror(errno));
}
- if (drv->added_bridge) {
- if (linux_br_del(drv->ioctl_sock, drv->brname) < 0)
+ if (bss->added_bridge) {
+ if (linux_br_del(drv->ioctl_sock, bss->brname) < 0)
wpa_printf(MSG_INFO, "nl80211: Failed to remove "
"bridge %s: %s",
- drv->brname, strerror(errno));
+ bss->brname, strerror(errno));
}
nl80211_remove_monitor_interface(drv);
netlink_send_oper_ifla(drv->netlink, drv->ifindex, 0, IF_OPER_UP);
netlink_deinit(drv->netlink);
+ rfkill_deinit(drv->rfkill);
eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
genl_family_put(drv->nl80211);
nl_cache_free(drv->nl_cache);
nl_cache_free(drv->nl_cache_event);
- nl_handle_destroy(drv->nl_handle);
- nl_handle_destroy(drv->nl_handle_event);
+ nl80211_handle_destroy(drv->nl_handle);
+ nl80211_handle_destroy(drv->nl_handle_event);
nl_cb_put(drv->nl_cb);
- eloop_cancel_timeout(wpa_driver_nl80211_probe_req_report_timeout,
- drv, NULL);
-
os_free(drv->filter_ssids);
+ if (drv->global)
+ dl_list_del(&drv->list);
+
os_free(drv);
}
}
-struct nl80211_bss_info_arg {
- struct wpa_driver_nl80211_data *drv;
- struct wpa_scan_results *res;
-};
-
static int bss_info_handler(struct nl_msg *msg, void *arg)
{
struct nlattr *tb[NL80211_ATTR_MAX + 1];
const u8 *ie, *beacon_ie;
size_t ie_len, beacon_ie_len;
u8 *pos;
+ size_t i;
nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (nla_parse_nested(bss, NL80211_BSS_MAX, tb[NL80211_ATTR_BSS],
bss_policy))
return NL_SKIP;
+ if (bss[NL80211_BSS_STATUS]) {
+ enum nl80211_bss_status status;
+ status = nla_get_u32(bss[NL80211_BSS_STATUS]);
+ if (status == NL80211_BSS_STATUS_ASSOCIATED &&
+ bss[NL80211_BSS_FREQUENCY]) {
+ _arg->assoc_freq =
+ nla_get_u32(bss[NL80211_BSS_FREQUENCY]);
+ wpa_printf(MSG_DEBUG, "nl80211: Associated on %u MHz",
+ _arg->assoc_freq);
+ }
+ }
+ if (!res)
+ return NL_SKIP;
if (bss[NL80211_BSS_INFORMATION_ELEMENTS]) {
ie = nla_data(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
ie_len = nla_len(bss[NL80211_BSS_INFORMATION_ELEMENTS]);
}
}
+ /*
+ * cfg80211 maintains separate BSS table entries for APs if the same
+ * BSSID,SSID pair is seen on multiple channels. wpa_supplicant does
+ * not use frequency as a separate key in the BSS table, so filter out
+ * duplicated entries. Prefer associated BSS entry in such a case in
+ * order to get the correct frequency into the BSS table.
+ */
+ for (i = 0; i < res->num; i++) {
+ const u8 *s1, *s2;
+ if (os_memcmp(res->res[i]->bssid, r->bssid, ETH_ALEN) != 0)
+ continue;
+
+ s1 = nl80211_get_ie((u8 *) (res->res[i] + 1),
+ res->res[i]->ie_len, WLAN_EID_SSID);
+ s2 = nl80211_get_ie((u8 *) (r + 1), r->ie_len, WLAN_EID_SSID);
+ if (s1 == NULL || s2 == NULL || s1[1] != s2[1] ||
+ os_memcmp(s1, s2, 2 + s1[1]) != 0)
+ continue;
+
+ /* Same BSSID,SSID was already included in scan results */
+ wpa_printf(MSG_DEBUG, "nl80211: Remove duplicated scan result "
+ "for " MACSTR, MAC2STR(r->bssid));
+
+ if ((r->flags & WPA_SCAN_ASSOCIATED) &&
+ !(res->res[i]->flags & WPA_SCAN_ASSOCIATED)) {
+ os_free(res->res[i]);
+ res->res[i] = r;
+ } else
+ os_free(r);
+ return NL_SKIP;
+ }
+
tmp = os_realloc(res->res,
(res->num + 1) * sizeof(struct wpa_scan_res *));
if (tmp == NULL) {
if (seq && seq_len)
NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq);
- if (addr && os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0)
- {
+ if (addr && !is_broadcast_ether_addr(addr)) {
wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
+
+ if (alg != WPA_ALG_WEP && key_idx && !set_tx) {
+ wpa_printf(MSG_DEBUG, " RSN IBSS RX GTK");
+ NLA_PUT_U32(msg, NL80211_ATTR_KEY_TYPE,
+ NL80211_KEYTYPE_GROUP);
+ }
+ } else if (addr && is_broadcast_ether_addr(addr)) {
+ struct nl_msg *types;
+ int err;
+ wpa_printf(MSG_DEBUG, " broadcast key");
+ types = nlmsg_alloc();
+ if (!types)
+ goto nla_put_failure;
+ NLA_PUT_FLAG(types, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
+ err = nla_put_nested(msg, NL80211_ATTR_KEY_DEFAULT_TYPES,
+ types);
+ nlmsg_free(types);
+ if (err)
+ goto nla_put_failure;
}
NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
*/
if (ret || !set_tx || alg == WPA_ALG_NONE)
return ret;
-#ifdef HOSTAPD
- if (addr)
- return ret;
-#else /* HOSTAPD */
- if (drv->nlmode == NL80211_IFTYPE_AP && addr)
+ if (drv->nlmode == NL80211_IFTYPE_AP && addr &&
+ !is_broadcast_ether_addr(addr))
return ret;
-#endif /* HOSTAPD */
msg = nlmsg_alloc();
if (!msg)
NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT);
else
NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
+ if (addr && is_broadcast_ether_addr(addr)) {
+ struct nl_msg *types;
+ int err;
+ types = nlmsg_alloc();
+ if (!types)
+ goto nla_put_failure;
+ NLA_PUT_FLAG(types, NL80211_KEY_DEFAULT_TYPE_MULTICAST);
+ err = nla_put_nested(msg, NL80211_ATTR_KEY_DEFAULT_TYPES,
+ types);
+ nlmsg_free(types);
+ if (err)
+ goto nla_put_failure;
+ } else if (addr) {
+ struct nl_msg *types;
+ int err;
+ types = nlmsg_alloc();
+ if (!types)
+ goto nla_put_failure;
+ NLA_PUT_FLAG(types, NL80211_KEY_DEFAULT_TYPE_UNICAST);
+ err = nla_put_nested(msg, NL80211_ATTR_KEY_DEFAULT_TYPES,
+ types);
+ nlmsg_free(types);
+ if (err)
+ goto nla_put_failure;
+ }
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
if (ret == -ENOENT)
privacy = 1;
break;
}
+ if (params->wps == WPS_MODE_PRIVACY)
+ privacy = 1;
+ if (params->pairwise_suite &&
+ params->pairwise_suite != WPA_CIPHER_NONE)
+ privacy = 1;
+
if (!privacy)
return 0;
static int wpa_driver_nl80211_disconnect(struct wpa_driver_nl80211_data *drv,
const u8 *addr, int reason_code)
{
- wpa_printf(MSG_DEBUG, "%s", __func__);
+ wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
+ __func__, MAC2STR(addr), reason_code);
drv->associated = 0;
return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DISCONNECT,
reason_code, 0);
struct wpa_driver_nl80211_data *drv = bss->drv;
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
return wpa_driver_nl80211_disconnect(drv, addr, reason_code);
- wpa_printf(MSG_DEBUG, "%s", __func__);
+ wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " reason_code=%d)",
+ __func__, MAC2STR(addr), reason_code);
drv->associated = 0;
+ if (drv->nlmode == NL80211_IFTYPE_ADHOC)
+ return nl80211_leave_ibss(drv);
return wpa_driver_nl80211_mlme(drv, addr, NL80211_CMD_DEAUTHENTICATE,
reason_code, 0);
}
drv->associated = 0;
os_memset(drv->auth_bssid, 0, ETH_ALEN);
/* FIX: IBSS mode */
- if (drv->nlmode != NL80211_IFTYPE_STATION)
- wpa_driver_nl80211_set_mode(priv, IEEE80211_MODE_INFRA);
-
- if (wpa_driver_nl80211_set_mode(priv, IEEE80211_MODE_INFRA) < 0)
+ if (drv->nlmode != NL80211_IFTYPE_STATION &&
+ wpa_driver_nl80211_set_mode(priv, IEEE80211_MODE_INFRA) < 0)
return -1;
retry:
wpa_hexdump(MSG_DEBUG, " * IEs", params->ie, params->ie_len);
if (params->ie)
NLA_PUT(msg, NL80211_ATTR_IE, params->ie_len, params->ie);
- /*
- * TODO: if multiple auth_alg options enabled, try them one by one if
- * the AP rejects authentication due to unknown auth alg
- */
if (params->auth_alg & WPA_AUTH_ALG_OPEN)
type = NL80211_AUTHTYPE_OPEN_SYSTEM;
else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
}
+static void nl80211_set_ht40_mode(struct hostapd_hw_modes *mode, int start,
+ int end)
+{
+ int c;
+
+ for (c = 0; c < mode->num_channels; c++) {
+ struct hostapd_channel_data *chan = &mode->channels[c];
+ if (chan->freq - 10 >= start && chan->freq + 10 <= end)
+ chan->flag |= HOSTAPD_CHAN_HT40;
+ }
+}
+
+
+static void nl80211_set_ht40_mode_sec(struct hostapd_hw_modes *mode, int start,
+ int end)
+{
+ int c;
+
+ for (c = 0; c < mode->num_channels; c++) {
+ struct hostapd_channel_data *chan = &mode->channels[c];
+ if (!(chan->flag & HOSTAPD_CHAN_HT40))
+ continue;
+ if (chan->freq - 30 >= start && chan->freq - 10 <= end)
+ chan->flag |= HOSTAPD_CHAN_HT40MINUS;
+ if (chan->freq + 10 >= start && chan->freq + 30 <= end)
+ chan->flag |= HOSTAPD_CHAN_HT40PLUS;
+ }
+}
+
+
+static void nl80211_reg_rule_ht40(struct nlattr *tb[],
+ struct phy_info_arg *results)
+{
+ u32 start, end, max_bw;
+ u16 m;
+
+ if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
+ tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
+ tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
+ return;
+
+ start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
+ end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
+ max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
+
+ wpa_printf(MSG_DEBUG, "nl80211: %u-%u @ %u MHz",
+ start, end, max_bw);
+ if (max_bw < 40)
+ return;
+
+ for (m = 0; m < *results->num_modes; m++) {
+ if (!(results->modes[m].ht_capab &
+ HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
+ continue;
+ nl80211_set_ht40_mode(&results->modes[m], start, end);
+ }
+}
+
+
+static void nl80211_reg_rule_sec(struct nlattr *tb[],
+ struct phy_info_arg *results)
+{
+ u32 start, end, max_bw;
+ u16 m;
+
+ if (tb[NL80211_ATTR_FREQ_RANGE_START] == NULL ||
+ tb[NL80211_ATTR_FREQ_RANGE_END] == NULL ||
+ tb[NL80211_ATTR_FREQ_RANGE_MAX_BW] == NULL)
+ return;
+
+ start = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]) / 1000;
+ end = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]) / 1000;
+ max_bw = nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) / 1000;
+
+ if (max_bw < 20)
+ return;
+
+ for (m = 0; m < *results->num_modes; m++) {
+ if (!(results->modes[m].ht_capab &
+ HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET))
+ continue;
+ nl80211_set_ht40_mode_sec(&results->modes[m], start, end);
+ }
+}
+
+
+static int nl80211_get_reg(struct nl_msg *msg, void *arg)
+{
+ struct phy_info_arg *results = arg;
+ struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
+ struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+ struct nlattr *nl_rule;
+ struct nlattr *tb_rule[NL80211_FREQUENCY_ATTR_MAX + 1];
+ int rem_rule;
+ static struct nla_policy reg_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
+ [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 },
+ [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 },
+ [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 },
+ [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 },
+ [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 },
+ [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 },
+ };
+
+ nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+ genlmsg_attrlen(gnlh, 0), NULL);
+ if (!tb_msg[NL80211_ATTR_REG_ALPHA2] ||
+ !tb_msg[NL80211_ATTR_REG_RULES]) {
+ wpa_printf(MSG_DEBUG, "nl80211: No regulatory information "
+ "available");
+ return NL_SKIP;
+ }
+
+ wpa_printf(MSG_DEBUG, "nl80211: Regulatory information - country=%s",
+ (char *) nla_data(tb_msg[NL80211_ATTR_REG_ALPHA2]));
+
+ nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
+ {
+ nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
+ nla_data(nl_rule), nla_len(nl_rule), reg_policy);
+ nl80211_reg_rule_ht40(tb_rule, results);
+ }
+
+ nla_for_each_nested(nl_rule, tb_msg[NL80211_ATTR_REG_RULES], rem_rule)
+ {
+ nla_parse(tb_rule, NL80211_FREQUENCY_ATTR_MAX,
+ nla_data(nl_rule), nla_len(nl_rule), reg_policy);
+ nl80211_reg_rule_sec(tb_rule, results);
+ }
+
+ return NL_SKIP;
+}
+
+
+static int nl80211_set_ht40_flags(struct wpa_driver_nl80211_data *drv,
+ struct phy_info_arg *results)
+{
+ struct nl_msg *msg;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_GET_REG, 0);
+ return send_and_recv_msgs(drv, msg, nl80211_get_reg, results);
+}
+
+
static struct hostapd_hw_modes *
wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
{
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
- if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0)
+ if (send_and_recv_msgs(drv, msg, phy_info_handler, &result) == 0) {
+ nl80211_set_ht40_flags(drv, &result);
return wpa_driver_nl80211_add_11b(result.modes, num_modes);
+ }
nla_put_failure:
return NULL;
}
.msg_controllen = 0,
.msg_flags = 0,
};
+ int res;
if (encrypt)
rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP;
- return sendmsg(drv->monitor_sock, &msg, 0);
+ if (drv->monitor_sock < 0) {
+ wpa_printf(MSG_DEBUG, "nl80211: No monitor socket available "
+ "for %s", __func__);
+ return -1;
+ }
+
+ res = sendmsg(drv->monitor_sock, &msg, 0);
+ if (res < 0) {
+ wpa_printf(MSG_INFO, "nl80211: sendmsg: %s", strerror(errno));
+ return -1;
+ }
+ return 0;
}
mgmt = (struct ieee80211_mgmt *) data;
fc = le_to_host16(mgmt->frame_control);
+ if (drv->nlmode == NL80211_IFTYPE_STATION &&
+ WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
+ WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_RESP) {
+ /*
+ * The use of last_mgmt_freq is a bit of a hack,
+ * but it works due to the single-threaded nature
+ * of wpa_supplicant.
+ */
+ return nl80211_send_frame_cmd(drv, drv->last_mgmt_freq, 0,
+ data, data_len, NULL);
+ }
+
if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
/*
}
+static u32 sta_flags_nl80211(int flags)
+{
+ u32 f = 0;
+
+ if (flags & WPA_STA_AUTHORIZED)
+ f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
+ if (flags & WPA_STA_WMM)
+ f |= BIT(NL80211_STA_FLAG_WME);
+ if (flags & WPA_STA_SHORT_PREAMBLE)
+ f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
+ if (flags & WPA_STA_MFP)
+ f |= BIT(NL80211_STA_FLAG_MFP);
+
+ return f;
+}
+
+
static int wpa_driver_nl80211_sta_add(void *priv,
struct hostapd_sta_add_params *params)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
+ struct nl80211_sta_flag_update upd;
int ret = -ENOBUFS;
msg = nlmsg_alloc();
params->ht_capabilities);
}
+ os_memset(&upd, 0, sizeof(upd));
+ upd.mask = sta_flags_nl80211(params->flags);
+ upd.set = upd.mask;
+ NLA_PUT(msg, NL80211_ATTR_STA_FLAGS2, sizeof(upd), &upd);
+
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
if (ret)
wpa_printf(MSG_DEBUG, "nl80211: NL80211_CMD_NEW_STATION "
return;
}
- if (drv->nlmode == NL80211_IFTYPE_STATION && !drv->probe_req_report) {
- wpa_printf(MSG_DEBUG, "nl80211: Ignore monitor interface "
- "frame since Probe Request reporting is disabled");
- return;
- }
-
if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) {
printf("received invalid radiotap frame\n");
return;
* add a filter here that filters on our DA and that flag
* to allow us to deauth frames to that bad station.
*
- * Not a regression -- we didn't do it before either.
+ * For now allow all To DS data frames through.
*/
+ /* load the IEEE 802.11 frame control field */
+ BPF_STMT(BPF_LD | BPF_H | BPF_IND, 0),
+ /* mask off frame type, version and DS status */
+ BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0F03),
+ /* accept frame if version 0, type 2 and To DS, fall through otherwise
+ */
+ BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0801, PASS, 0),
#if 0
/*
nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL,
0);
+ if (drv->monitor_ifidx == -EOPNOTSUPP) {
+ wpa_printf(MSG_DEBUG, "nl80211: Driver does not support "
+ "monitor interface type - try to run without it");
+ drv->no_monitor_iface_capab = 1;
+ }
+
if (drv->monitor_ifidx < 0)
return -1;
static int wpa_driver_nl80211_hapd_send_eapol(
void *priv, const u8 *addr, const u8 *data,
- size_t data_len, int encrypt, const u8 *own_addr)
+ size_t data_len, int encrypt, const u8 *own_addr, u32 flags)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
size_t len;
u8 *pos;
int res;
-#if 0 /* FIX */
- int qos = sta->flags & WPA_STA_WMM;
-#else
- int qos = 0;
-#endif
+ int qos = flags & WPA_STA_WMM;
len = sizeof(*hdr) + (qos ? 2 : 0) + sizeof(rfc1042_header) + 2 +
data_len;
hdr->frame_control |= host_to_le16(WLAN_FC_FROMDS);
if (encrypt)
hdr->frame_control |= host_to_le16(WLAN_FC_ISWEP);
-#if 0 /* To be enabled if qos determination is added above */
if (qos) {
hdr->frame_control |=
host_to_le16(WLAN_FC_STYPE_QOS_DATA << 4);
}
-#endif
memcpy(hdr->IEEE80211_DA_FROMDS, addr, ETH_ALEN);
memcpy(hdr->IEEE80211_BSSID_FROMDS, own_addr, ETH_ALEN);
memcpy(hdr->IEEE80211_SA_FROMDS, own_addr, ETH_ALEN);
pos = (u8 *) (hdr + 1);
-#if 0 /* To be enabled if qos determination is added above */
if (qos) {
/* add an empty QoS header if needed */
pos[0] = 0;
pos[1] = 0;
pos += 2;
}
-#endif
memcpy(pos, rfc1042_header, sizeof(rfc1042_header));
pos += sizeof(rfc1042_header);
}
-static u32 sta_flags_nl80211(int flags)
-{
- u32 f = 0;
-
- if (flags & WPA_STA_AUTHORIZED)
- f |= BIT(NL80211_STA_FLAG_AUTHORIZED);
- if (flags & WPA_STA_WMM)
- f |= BIT(NL80211_STA_FLAG_WME);
- if (flags & WPA_STA_SHORT_PREAMBLE)
- f |= BIT(NL80211_STA_FLAG_SHORT_PREAMBLE);
- if (flags & WPA_STA_MFP)
- f |= BIT(NL80211_STA_FLAG_MFP);
-
- return f;
-}
-
-
static int wpa_driver_nl80211_sta_set_flags(void *priv, const u8 *addr,
int total_flags,
int flags_or, int flags_and)
static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
struct wpa_driver_associate_params *params)
{
+ if (params->p2p)
+ wpa_printf(MSG_DEBUG, "nl80211: Setup AP operations for P2P "
+ "group (GO)");
if (wpa_driver_nl80211_set_mode(&drv->first_bss, params->mode) ||
wpa_driver_nl80211_set_freq(drv, params->freq, 0, 0)) {
nl80211_remove_monitor_interface(drv);
struct nl_msg *msg;
enum nl80211_auth_type type;
int ret = 0;
+ int algs;
msg = nlmsg_alloc();
if (!msg)
NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
params->wpa_ie);
+ algs = 0;
+ if (params->auth_alg & WPA_AUTH_ALG_OPEN)
+ algs++;
+ if (params->auth_alg & WPA_AUTH_ALG_SHARED)
+ algs++;
+ if (params->auth_alg & WPA_AUTH_ALG_LEAP)
+ algs++;
+ if (algs > 1) {
+ wpa_printf(MSG_DEBUG, " * Leave out Auth Type for automatic "
+ "selection");
+ goto skip_auth_type;
+ }
+
if (params->auth_alg & WPA_AUTH_ALG_OPEN)
type = NL80211_AUTHTYPE_OPEN_SYSTEM;
else if (params->auth_alg & WPA_AUTH_ALG_SHARED)
wpa_printf(MSG_DEBUG, " * Auth Type %d", type);
NLA_PUT_U32(msg, NL80211_ATTR_AUTH_TYPE, type);
+skip_auth_type:
if (params->wpa_ie && params->wpa_ie_len) {
enum nl80211_wpa_versions ver;
NLA_PUT(msg, NL80211_ATTR_IE, params->wpa_ie_len,
params->wpa_ie);
+ if (params->pairwise_suite != CIPHER_NONE) {
+ int cipher;
+
+ switch (params->pairwise_suite) {
+ case CIPHER_WEP40:
+ cipher = WLAN_CIPHER_SUITE_WEP40;
+ break;
+ case CIPHER_WEP104:
+ cipher = WLAN_CIPHER_SUITE_WEP104;
+ break;
+ case CIPHER_CCMP:
+ cipher = WLAN_CIPHER_SUITE_CCMP;
+ break;
+ case CIPHER_TKIP:
+ default:
+ cipher = WLAN_CIPHER_SUITE_TKIP;
+ break;
+ }
+ wpa_printf(MSG_DEBUG, " * pairwise=0x%x", cipher);
+ NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITES_PAIRWISE, cipher);
+ }
+
+ if (params->group_suite != CIPHER_NONE) {
+ int cipher;
+
+ switch (params->group_suite) {
+ case CIPHER_WEP40:
+ cipher = WLAN_CIPHER_SUITE_WEP40;
+ break;
+ case CIPHER_WEP104:
+ cipher = WLAN_CIPHER_SUITE_WEP104;
+ break;
+ case CIPHER_CCMP:
+ cipher = WLAN_CIPHER_SUITE_CCMP;
+ break;
+ case CIPHER_TKIP:
+ default:
+ cipher = WLAN_CIPHER_SUITE_TKIP;
+ break;
+ }
+ wpa_printf(MSG_DEBUG, " * group=0x%x", cipher);
+ NLA_PUT_U32(msg, NL80211_ATTR_CIPHER_SUITE_GROUP, cipher);
+ }
+
#ifdef CONFIG_IEEE80211W
if (params->mgmt_frame_protection == MGMT_FRAME_PROTECTION_REQUIRED)
NLA_PUT_U32(msg, NL80211_ATTR_USE_MFP, NL80211_MFP_REQUIRED);
params->prev_bssid);
}
+ if (params->p2p)
+ wpa_printf(MSG_DEBUG, " * P2P group");
+
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
msg = NULL;
if (ret) {
struct wpa_driver_nl80211_data *drv = bss->drv;
int ret = -1;
int nlmode;
+ int i;
switch (mode) {
case 0:
* take the device down, try to set the mode again, and bring the
* device back up.
*/
- if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0) == 0) {
- /* Try to set the mode again while the interface is down */
- ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
- if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1))
- ret = -1;
+ wpa_printf(MSG_DEBUG, "nl80211: Try mode change after setting "
+ "interface down");
+ for (i = 0; i < 10; i++) {
+ if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0) ==
+ 0) {
+ /* Try to set the mode again while the interface is
+ * down */
+ ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
+ if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname,
+ 1))
+ ret = -1;
+ if (!ret)
+ break;
+ } else
+ wpa_printf(MSG_DEBUG, "nl80211: Failed to set "
+ "interface down");
+ os_sleep(0, 100000);
}
if (!ret) {
done:
if (!ret && nlmode == NL80211_IFTYPE_AP) {
/* Setup additional AP mode functionality if needed */
- if (drv->monitor_ifidx < 0 &&
- nl80211_create_monitor_interface(drv))
+ if (!drv->no_monitor_iface_capab && drv->monitor_ifidx < 0 &&
+ nl80211_create_monitor_interface(drv) &&
+ !drv->no_monitor_iface_capab)
return -1;
} else if (!ret && nlmode != NL80211_IFTYPE_AP) {
/* Remove additional AP mode functionality */
}
-#ifdef HOSTAPD
-
-static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
-{
- int i;
- int *old;
-
- wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
- ifidx);
- for (i = 0; i < drv->num_if_indices; i++) {
- if (drv->if_indices[i] == 0) {
- drv->if_indices[i] = ifidx;
- return;
- }
- }
-
- if (drv->if_indices != drv->default_if_indices)
- old = drv->if_indices;
- else
- old = NULL;
-
- drv->if_indices = os_realloc(old,
- sizeof(int) * (drv->num_if_indices + 1));
- if (!drv->if_indices) {
- if (!old)
- drv->if_indices = drv->default_if_indices;
- else
- drv->if_indices = old;
- wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
- "interfaces");
- wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
- return;
- }
- drv->if_indices[drv->num_if_indices] = ifidx;
- drv->num_if_indices++;
-}
-
-
-static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
+/* Set kernel driver on given frequency (MHz) */
+static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
{
- int i;
-
- for (i = 0; i < drv->num_if_indices; i++) {
- if (drv->if_indices[i] == ifidx) {
- drv->if_indices[i] = 0;
- break;
- }
- }
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ return wpa_driver_nl80211_set_freq(drv, freq->freq, freq->ht_enabled,
+ freq->sec_channel_offset);
}
-static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
-{
- int i;
-
- for (i = 0; i < drv->num_if_indices; i++)
- if (drv->if_indices[i] == ifidx)
- return 1;
-
- return 0;
-}
-
+#if defined(HOSTAPD) || defined(CONFIG_AP)
static inline int min_int(int a, int b)
{
}
-/* Set kernel driver on given frequency (MHz) */
-static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
-{
- struct i802_bss *bss = priv;
- struct wpa_driver_nl80211_data *drv = bss->drv;
- return wpa_driver_nl80211_set_freq(drv, freq->freq, freq->ht_enabled,
- freq->sec_channel_offset);
-}
-
-
static int i802_set_rts(void *priv, int rts)
{
struct i802_bss *bss = priv;
if (!params)
goto nla_put_failure;
- NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, queue);
+ switch (queue) {
+ case 0:
+ NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VO);
+ break;
+ case 1:
+ NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_VI);
+ break;
+ case 2:
+ NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BE);
+ break;
+ case 3:
+ NLA_PUT_U8(msg, NL80211_TXQ_ATTR_QUEUE, NL80211_TXQ_Q_BK);
+ break;
+ }
/* Burst time is configured in units of 0.1 msec and TXOP parameter in
* 32 usec, so need to convert the value here. */
NLA_PUT_U16(msg, NL80211_TXQ_ATTR_TXOP, (burst_time * 100 + 16) / 32);
}
-static int i802_set_bss(void *priv, int cts, int preamble, int slot)
+static int i802_set_bss(void *priv, int cts, int preamble, int slot,
+ int ht_opmode)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_PREAMBLE, preamble);
if (slot >= 0)
NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
-
+ if (ht_opmode >= 0)
+ NLA_PUT_U16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
return send_and_recv_msgs(drv, msg, NULL, NULL);
static int i802_set_cts_protect(void *priv, int value)
{
- return i802_set_bss(priv, value, -1, -1);
+ return i802_set_bss(priv, value, -1, -1, -1);
}
static int i802_set_preamble(void *priv, int value)
{
- return i802_set_bss(priv, -1, value, -1);
+ return i802_set_bss(priv, -1, value, -1, -1);
}
static int i802_set_short_slot_time(void *priv, int value)
{
- return i802_set_bss(priv, -1, -1, value);
+ return i802_set_bss(priv, -1, -1, value, -1);
}
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
+ int ret = -ENOBUFS;
msg = nlmsg_alloc();
if (!msg)
NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN,
if_nametoindex(ifname));
- return send_and_recv_msgs(drv, msg, NULL, NULL);
- nla_put_failure:
- return -ENOBUFS;
-}
-
-
-static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val)
-{
- struct i802_bss *bss = priv;
- struct wpa_driver_nl80211_data *drv = bss->drv;
- char name[IFNAMSIZ + 1];
-
- os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
- wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
- " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
- if (val) {
- if (nl80211_create_iface(drv, name, NL80211_IFTYPE_AP_VLAN,
- NULL, 1) < 0)
- return -1;
- linux_set_iface_flags(drv->ioctl_sock, name, 1);
- return i802_set_sta_vlan(priv, addr, name, 0);
- } else {
- i802_set_sta_vlan(priv, addr, bss->ifname, 0);
- return wpa_driver_nl80211_if_remove(priv, WPA_IF_AP_VLAN,
- name);
+ ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ if (ret < 0) {
+ wpa_printf(MSG_ERROR, "nl80211: NL80211_ATTR_STA_VLAN (addr="
+ MACSTR " ifname=%s vlan_id=%d) failed: %d (%s)",
+ MAC2STR(addr), ifname, vlan_id, ret,
+ strerror(-ret));
}
+ nla_put_failure:
+ return ret;
}
-static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
+static int i802_set_ht_params(void *priv, const u8 *ht_capab,
+ size_t ht_capab_len, const u8 *ht_oper,
+ size_t ht_oper_len)
{
- struct wpa_driver_nl80211_data *drv = eloop_ctx;
- struct sockaddr_ll lladdr;
- unsigned char buf[3000];
- int len;
- socklen_t fromlen = sizeof(lladdr);
-
- len = recvfrom(sock, buf, sizeof(buf), 0,
- (struct sockaddr *)&lladdr, &fromlen);
- if (len < 0) {
- perror("recv");
- return;
- }
-
- if (have_ifidx(drv, lladdr.sll_ifindex))
- drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
+ if (ht_oper_len >= 6) {
+ /* ht opmode uses 16bit in octet 5 & 6 */
+ u16 ht_opmode = le_to_host16(((u16 *) ht_oper)[2]);
+ return i802_set_bss(priv, -1, -1, -1, ht_opmode);
+ } else
+ return -1;
}
sizeof(mgmt.u.disassoc));
}
+#endif /* HOSTAPD || CONFIG_AP */
-static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
- const char *brname, const char *ifname)
+#ifdef HOSTAPD
+
+static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
{
- int ifindex;
- char in_br[IFNAMSIZ];
+ int i;
+ int *old;
- os_strlcpy(drv->brname, brname, IFNAMSIZ);
- ifindex = if_nametoindex(brname);
- if (ifindex == 0) {
- /*
- * Bridge was configured, but the bridge device does
- * not exist. Try to add it now.
- */
- if (linux_br_add(drv->ioctl_sock, brname) < 0) {
- wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
- "bridge interface %s: %s",
- brname, strerror(errno));
- return -1;
+ wpa_printf(MSG_DEBUG, "nl80211: Add own interface ifindex %d",
+ ifidx);
+ for (i = 0; i < drv->num_if_indices; i++) {
+ if (drv->if_indices[i] == 0) {
+ drv->if_indices[i] = ifidx;
+ return;
}
- drv->added_bridge = 1;
- add_ifidx(drv, if_nametoindex(brname));
}
- if (linux_br_get(in_br, ifname) == 0) {
- if (os_strcmp(in_br, brname) == 0)
- return 0; /* already in the bridge */
+ if (drv->if_indices != drv->default_if_indices)
+ old = drv->if_indices;
+ else
+ old = NULL;
- wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
- "bridge %s", ifname, in_br);
- if (linux_br_del_if(drv->ioctl_sock, in_br, ifname) < 0) {
- wpa_printf(MSG_ERROR, "nl80211: Failed to "
- "remove interface %s from bridge "
- "%s: %s",
- ifname, brname, strerror(errno));
- return -1;
- }
- }
+ drv->if_indices = os_realloc(old,
+ sizeof(int) * (drv->num_if_indices + 1));
+ if (!drv->if_indices) {
+ if (!old)
+ drv->if_indices = drv->default_if_indices;
+ else
+ drv->if_indices = old;
+ wpa_printf(MSG_ERROR, "Failed to reallocate memory for "
+ "interfaces");
+ wpa_printf(MSG_ERROR, "Ignoring EAPOL on interface %d", ifidx);
+ return;
+ } else if (!old)
+ os_memcpy(drv->if_indices, drv->default_if_indices,
+ sizeof(drv->default_if_indices));
+ drv->if_indices[drv->num_if_indices] = ifidx;
+ drv->num_if_indices++;
+}
- wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
+
+static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
+{
+ int i;
+
+ for (i = 0; i < drv->num_if_indices; i++) {
+ if (drv->if_indices[i] == ifidx) {
+ drv->if_indices[i] = 0;
+ break;
+ }
+ }
+}
+
+
+static int have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
+{
+ int i;
+
+ for (i = 0; i < drv->num_if_indices; i++)
+ if (drv->if_indices[i] == ifidx)
+ return 1;
+
+ return 0;
+}
+
+
+static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val,
+ const char *bridge_ifname)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ char name[IFNAMSIZ + 1];
+
+ os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
+ wpa_printf(MSG_DEBUG, "nl80211: Set WDS STA addr=" MACSTR
+ " aid=%d val=%d name=%s", MAC2STR(addr), aid, val, name);
+ if (val) {
+ if (!if_nametoindex(name)) {
+ if (nl80211_create_iface(drv, name,
+ NL80211_IFTYPE_AP_VLAN,
+ NULL, 1) < 0)
+ return -1;
+ if (bridge_ifname &&
+ linux_br_add_if(drv->ioctl_sock, bridge_ifname,
+ name) < 0)
+ return -1;
+ }
+ linux_set_iface_flags(drv->ioctl_sock, name, 1);
+ return i802_set_sta_vlan(priv, addr, name, 0);
+ } else {
+ i802_set_sta_vlan(priv, addr, bss->ifname, 0);
+ return wpa_driver_nl80211_if_remove(priv, WPA_IF_AP_VLAN,
+ name);
+ }
+}
+
+
+static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
+{
+ struct wpa_driver_nl80211_data *drv = eloop_ctx;
+ struct sockaddr_ll lladdr;
+ unsigned char buf[3000];
+ int len;
+ socklen_t fromlen = sizeof(lladdr);
+
+ len = recvfrom(sock, buf, sizeof(buf), 0,
+ (struct sockaddr *)&lladdr, &fromlen);
+ if (len < 0) {
+ perror("recv");
+ return;
+ }
+
+ if (have_ifidx(drv, lladdr.sll_ifindex))
+ drv_event_eapol_rx(drv->ctx, lladdr.sll_addr, buf, len);
+}
+
+
+static int i802_check_bridge(struct wpa_driver_nl80211_data *drv,
+ struct i802_bss *bss,
+ const char *brname, const char *ifname)
+{
+ int ifindex;
+ char in_br[IFNAMSIZ];
+
+ os_strlcpy(bss->brname, brname, IFNAMSIZ);
+ ifindex = if_nametoindex(brname);
+ if (ifindex == 0) {
+ /*
+ * Bridge was configured, but the bridge device does
+ * not exist. Try to add it now.
+ */
+ if (linux_br_add(drv->ioctl_sock, brname) < 0) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to add the "
+ "bridge interface %s: %s",
+ brname, strerror(errno));
+ return -1;
+ }
+ bss->added_bridge = 1;
+ add_ifidx(drv, if_nametoindex(brname));
+ }
+
+ if (linux_br_get(in_br, ifname) == 0) {
+ if (os_strcmp(in_br, brname) == 0)
+ return 0; /* already in the bridge */
+
+ wpa_printf(MSG_DEBUG, "nl80211: Removing interface %s from "
+ "bridge %s", ifname, in_br);
+ if (linux_br_del_if(drv->ioctl_sock, in_br, ifname) < 0) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to "
+ "remove interface %s from bridge "
+ "%s: %s",
+ ifname, brname, strerror(errno));
+ return -1;
+ }
+ }
+
+ wpa_printf(MSG_DEBUG, "nl80211: Adding interface %s into bridge %s",
ifname, brname);
if (linux_br_add_if(drv->ioctl_sock, brname, ifname) < 0) {
wpa_printf(MSG_ERROR, "nl80211: Failed to add interface %s "
ifname, brname, strerror(errno));
return -1;
}
- drv->added_if_into_bridge = 1;
+ bss->added_if_into_bridge = 1;
return 0;
}
int ifindex, br_ifindex;
int br_added = 0;
- bss = wpa_driver_nl80211_init(hapd, params->ifname);
+ bss = wpa_driver_nl80211_init(hapd, params->ifname, NULL);
if (bss == NULL)
return NULL;
drv = bss->drv;
+ drv->nlmode = NL80211_IFTYPE_AP;
if (linux_br_get(brname, params->ifname) == 0) {
wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
params->ifname, brname);
}
if (params->num_bridge && params->bridge[0] &&
- i802_check_bridge(drv, params->bridge[0], params->ifname) < 0)
+ i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0)
goto failed;
if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1))
failed:
nl80211_remove_monitor_interface(drv);
+ rfkill_deinit(drv->rfkill);
+ netlink_deinit(drv->netlink);
if (drv->ioctl_sock >= 0)
close(drv->ioctl_sock);
genl_family_put(drv->nl80211);
nl_cache_free(drv->nl_cache);
- nl_handle_destroy(drv->nl_handle);
+ nl80211_handle_destroy(drv->nl_handle);
nl_cb_put(drv->nl_cb);
+ eloop_unregister_read_sock(nl_socket_get_fd(drv->nl_handle_event));
os_free(drv);
return NULL;
switch (type) {
case WPA_IF_STATION:
return NL80211_IFTYPE_STATION;
+ case WPA_IF_P2P_CLIENT:
+ case WPA_IF_P2P_GROUP:
+ return NL80211_IFTYPE_P2P_CLIENT;
case WPA_IF_AP_VLAN:
return NL80211_IFTYPE_AP_VLAN;
case WPA_IF_AP_BSS:
return NL80211_IFTYPE_AP;
+ case WPA_IF_P2P_GO:
+ return NL80211_IFTYPE_P2P_GO;
}
return -1;
}
+#ifdef CONFIG_P2P
+
+static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
+{
+ struct wpa_driver_nl80211_data *drv;
+ dl_list_for_each(drv, &global->interfaces,
+ struct wpa_driver_nl80211_data, list) {
+ if (os_memcmp(addr, drv->addr, ETH_ALEN) == 0)
+ return 1;
+ }
+ return 0;
+}
+
+
+static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv,
+ u8 *new_addr)
+{
+ unsigned int idx;
+
+ if (!drv->global)
+ return -1;
+
+ os_memcpy(new_addr, drv->addr, ETH_ALEN);
+ for (idx = 0; idx < 64; idx++) {
+ new_addr[0] = drv->addr[0] | 0x02;
+ new_addr[0] ^= idx << 2;
+ if (!nl80211_addr_in_use(drv->global, new_addr))
+ break;
+ }
+ if (idx == 64)
+ return -1;
+
+ wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address "
+ MACSTR, MAC2STR(new_addr));
+
+ return 0;
+}
+
+#endif /* CONFIG_P2P */
+
+
static int wpa_driver_nl80211_if_add(void *priv, enum wpa_driver_if_type type,
const char *ifname, const u8 *addr,
void *bss_ctx, void **drv_priv,
- char *force_ifname, u8 *if_addr)
+ char *force_ifname, u8 *if_addr,
+ const char *bridge)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
}
if (!addr &&
- linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, if_addr) < 0)
+ linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, if_addr) < 0) {
+ nl80211_remove_iface(drv, ifidx);
return -1;
+ }
+
+#ifdef CONFIG_P2P
+ if (!addr &&
+ (type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
+ type == WPA_IF_P2P_GO)) {
+ /* Enforce unique P2P Interface Address */
+ u8 new_addr[ETH_ALEN], own_addr[ETH_ALEN];
+
+ if (linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, own_addr)
+ < 0 ||
+ linux_get_ifhwaddr(drv->ioctl_sock, ifname, new_addr) < 0)
+ {
+ nl80211_remove_iface(drv, ifidx);
+ return -1;
+ }
+ if (os_memcmp(own_addr, new_addr, ETH_ALEN) == 0) {
+ wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
+ "for P2P group interface");
+ if (nl80211_p2p_interface_addr(drv, new_addr) < 0) {
+ nl80211_remove_iface(drv, ifidx);
+ return -1;
+ }
+ if (linux_set_ifhwaddr(drv->ioctl_sock, ifname,
+ new_addr) < 0) {
+ nl80211_remove_iface(drv, ifidx);
+ return -1;
+ }
+ os_memcpy(if_addr, new_addr, ETH_ALEN);
+ }
+ }
+#endif /* CONFIG_P2P */
#ifdef HOSTAPD
+ if (bridge &&
+ i802_check_bridge(drv, new_bss, bridge, ifname) < 0) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to add the new "
+ "interface %s to a bridge %s", ifname, bridge);
+ nl80211_remove_iface(drv, ifidx);
+ os_free(new_bss);
+ return -1;
+ }
+
if (type == WPA_IF_AP_BSS) {
if (linux_set_iface_flags(drv->ioctl_sock, ifname, 1)) {
nl80211_remove_iface(drv, ifidx);
__func__, type, ifname, ifindex);
if (ifindex <= 0)
return -1;
+
+#ifdef HOSTAPD
+ if (bss->added_if_into_bridge) {
+ if (linux_br_del_if(drv->ioctl_sock, bss->brname, bss->ifname)
+ < 0)
+ wpa_printf(MSG_INFO, "nl80211: Failed to remove "
+ "interface %s from bridge %s: %s",
+ bss->ifname, bss->brname, strerror(errno));
+ }
+ if (bss->added_bridge) {
+ if (linux_br_del(drv->ioctl_sock, bss->brname) < 0)
+ wpa_printf(MSG_INFO, "nl80211: Failed to remove "
+ "bridge %s: %s",
+ bss->brname, strerror(errno));
+ }
+#endif /* HOSTAPD */
+
nl80211_remove_iface(drv, ifindex);
#ifdef HOSTAPD
return 0;
if (bss != &drv->first_bss) {
- struct i802_bss *tbss = &drv->first_bss;
+ struct i802_bss *tbss;
- while (tbss) {
- if (tbss->next != bss)
- continue;
-
- tbss->next = bss->next;
- os_free(bss);
- break;
+ for (tbss = &drv->first_bss; tbss; tbss = tbss->next) {
+ if (tbss->next == bss) {
+ tbss->next = bss->next;
+ os_free(bss);
+ bss = NULL;
+ break;
+ }
}
+ if (bss)
+ wpa_printf(MSG_INFO, "nl80211: %s - could not find "
+ "BSS %p in the list", __func__, bss);
}
#endif /* HOSTAPD */
}
+static int nl80211_send_frame_cmd(struct wpa_driver_nl80211_data *drv,
+ unsigned int freq, unsigned int wait,
+ const u8 *buf, size_t buf_len,
+ u64 *cookie_out)
+{
+ struct nl_msg *msg;
+ u64 cookie;
+ int ret = -1;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -1;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+ NL80211_CMD_FRAME, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
+ NLA_PUT_U32(msg, NL80211_ATTR_DURATION, wait);
+ NLA_PUT_FLAG(msg, NL80211_ATTR_OFFCHANNEL_TX_OK);
+ NLA_PUT(msg, NL80211_ATTR_FRAME, buf_len, buf);
+
+ cookie = 0;
+ ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
+ msg = NULL;
+ if (ret) {
+ wpa_printf(MSG_DEBUG, "nl80211: Frame command failed: ret=%d "
+ "(%s)", ret, strerror(-ret));
+ goto nla_put_failure;
+ }
+ wpa_printf(MSG_DEBUG, "nl80211: Frame TX command accepted; "
+ "cookie 0x%llx", (long long unsigned int) cookie);
+
+ if (cookie_out)
+ *cookie_out = cookie;
+
+nla_put_failure:
+ nlmsg_free(msg);
+ return ret;
+}
+
+
static int wpa_driver_nl80211_send_action(void *priv, unsigned int freq,
+ unsigned int wait_time,
const u8 *dst, const u8 *src,
const u8 *bssid,
const u8 *data, size_t data_len)
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
int ret = -1;
- struct nl_msg *msg;
u8 *buf;
struct ieee80211_hdr *hdr;
- u64 cookie;
- wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d)",
- drv->ifindex);
+ wpa_printf(MSG_DEBUG, "nl80211: Send Action frame (ifindex=%d, "
+ "wait=%d ms)", drv->ifindex, wait_time);
buf = os_zalloc(24 + data_len);
if (buf == NULL)
os_memcpy(hdr->addr2, src, ETH_ALEN);
os_memcpy(hdr->addr3, bssid, ETH_ALEN);
- if (drv->nlmode == NL80211_IFTYPE_AP) {
+ if (drv->nlmode == NL80211_IFTYPE_AP)
ret = wpa_driver_nl80211_send_mlme(priv, buf, 24 + data_len);
- os_free(buf);
- return ret;
- }
+ else
+ ret = nl80211_send_frame_cmd(drv, freq, wait_time, buf,
+ 24 + data_len,
+ &drv->send_action_cookie);
+
+ os_free(buf);
+ return ret;
+}
+
+
+static void wpa_driver_nl80211_send_action_cancel_wait(void *priv)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct nl_msg *msg;
+ int ret;
msg = nlmsg_alloc();
- if (!msg) {
- os_free(buf);
- return -1;
- }
+ if (!msg)
+ return;
genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
- NL80211_CMD_ACTION, 0);
+ NL80211_CMD_FRAME_WAIT_CANCEL, 0);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
- NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
- NLA_PUT(msg, NL80211_ATTR_FRAME, 24 + data_len, buf);
- os_free(buf);
- buf = NULL;
+ NLA_PUT_U64(msg, NL80211_ATTR_COOKIE, drv->send_action_cookie);
- cookie = 0;
- ret = send_and_recv_msgs(drv, msg, cookie_handler, &cookie);
+ ret = send_and_recv_msgs(drv, msg, NULL, NULL);
msg = NULL;
- if (ret) {
- wpa_printf(MSG_DEBUG, "nl80211: Action command failed: ret=%d "
+ if (ret)
+ wpa_printf(MSG_DEBUG, "nl80211: wait cancel failed: ret=%d "
"(%s)", ret, strerror(-ret));
- goto nla_put_failure;
- }
- wpa_printf(MSG_DEBUG, "nl80211: Action TX command accepted; "
- "cookie 0x%llx", (long long unsigned int) cookie);
- drv->send_action_cookie = cookie;
- drv->pending_send_action = 1;
- ret = 0;
-nla_put_failure:
- os_free(buf);
+ nla_put_failure:
nlmsg_free(msg);
- return ret;
}
return 0;
}
wpa_printf(MSG_DEBUG, "nl80211: Failed to request remain-on-channel "
- "(freq=%d): %d (%s)", freq, ret, strerror(-ret));
+ "(freq=%d duration=%u): %d (%s)",
+ freq, duration, ret, strerror(-ret));
nla_put_failure:
return -1;
}
}
-static void wpa_driver_nl80211_probe_req_report_timeout(void *eloop_ctx,
- void *timeout_ctx)
-{
- struct wpa_driver_nl80211_data *drv = eloop_ctx;
- if (drv->monitor_ifidx < 0)
- return; /* monitor interface already removed */
-
- if (drv->nlmode != NL80211_IFTYPE_STATION)
- return; /* not in station mode anymore */
-
- if (drv->probe_req_report)
- return; /* reporting enabled */
-
- wpa_printf(MSG_DEBUG, "nl80211: Remove monitor interface due to no "
- "Probe Request reporting needed anymore");
- nl80211_remove_monitor_interface(drv);
-}
-
-
static int wpa_driver_nl80211_probe_req_report(void *priv, int report)
{
struct i802_bss *bss = priv;
drv->nlmode);
return -1;
}
- drv->probe_req_report = report;
- if (report) {
- eloop_cancel_timeout(
- wpa_driver_nl80211_probe_req_report_timeout,
- drv, NULL);
- if (drv->monitor_ifidx < 0 &&
- nl80211_create_monitor_interface(drv))
- return -1;
- } else {
- /*
- * It takes a while to remove the monitor interface, so try to
- * avoid doing this if it is needed again shortly. Instead,
- * schedule the interface to be removed later if no need for it
- * is seen.
- */
- wpa_printf(MSG_DEBUG, "nl80211: Scheduling monitor interface "
- "to be removed after 10 seconds of no use");
- eloop_register_timeout(
- 10, 0, wpa_driver_nl80211_probe_req_report_timeout,
- drv, NULL);
+ if (!report) {
+ if (drv->nl_handle_preq) {
+ eloop_unregister_read_sock(
+ nl_socket_get_fd(drv->nl_handle_preq));
+ nl_cache_free(drv->nl_cache_preq);
+ nl80211_handle_destroy(drv->nl_handle_preq);
+ drv->nl_handle_preq = NULL;
+ }
+ return 0;
+ }
+
+ if (drv->nl_handle_preq) {
+ wpa_printf(MSG_DEBUG, "nl80211: Probe Request reporting "
+ "already on!");
+ return 0;
+ }
+
+ drv->nl_handle_preq = nl80211_handle_alloc(drv->nl_cb);
+ if (drv->nl_handle_preq == NULL) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to allocate "
+ "netlink callbacks (preq)");
+ goto out_err1;
+ }
+
+ if (genl_connect(drv->nl_handle_preq)) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to connect to "
+ "generic netlink (preq)");
+ goto out_err2;
+ return -1;
}
+#ifdef CONFIG_LIBNL20
+ if (genl_ctrl_alloc_cache(drv->nl_handle_preq,
+ &drv->nl_cache_preq) < 0) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
+ "netlink cache (preq)");
+ goto out_err2;
+ }
+#else /* CONFIG_LIBNL20 */
+ drv->nl_cache_preq = genl_ctrl_alloc_cache(drv->nl_handle_preq);
+ if (drv->nl_cache_preq == NULL) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
+ "netlink cache (preq)");
+ goto out_err2;
+ }
+#endif /* CONFIG_LIBNL20 */
+
+ if (nl80211_register_frame(drv, drv->nl_handle_preq,
+ (WLAN_FC_TYPE_MGMT << 2) |
+ (WLAN_FC_STYPE_PROBE_REQ << 4),
+ NULL, 0) < 0) {
+ goto out_err3;
+ }
+
+ eloop_register_read_sock(nl_socket_get_fd(drv->nl_handle_preq),
+ wpa_driver_nl80211_event_receive, drv,
+ drv->nl_handle_preq);
+
return 0;
+
+ out_err3:
+ nl_cache_free(drv->nl_cache_preq);
+ out_err2:
+ nl80211_handle_destroy(drv->nl_handle_preq);
+ drv->nl_handle_preq = NULL;
+ out_err1:
+ return -1;
}
pos += ETH_ALEN;
os_memcpy(pos, ies, ies_len);
- ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, drv->bssid,
- own_addr, drv->bssid,
+ ret = wpa_driver_nl80211_send_action(bss, drv->assoc_freq, 0,
+ drv->bssid, own_addr, drv->bssid,
data, data_len);
os_free(data);
}
+static int nl80211_signal_poll(void *priv, struct wpa_signal_info *si)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ int res;
+
+ os_memset(si, 0, sizeof(*si));
+ res = nl80211_get_link_signal(drv, si);
+ if (res != 0)
+ return res;
+
+ return nl80211_get_link_noise(drv, si);
+}
+
+
static int nl80211_send_frame(void *priv, const u8 *data, size_t data_len,
int encrypt)
{
}
+static int nl80211_set_intra_bss(void *priv, int enabled)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct nl_msg *msg;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
+ NL80211_CMD_SET_BSS, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
+ NLA_PUT_U8(msg, NL80211_ATTR_AP_ISOLATE, !enabled);
+
+ return send_and_recv_msgs(drv, msg, NULL, NULL);
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+
+static int nl80211_set_param(void *priv, const char *param)
+{
+ wpa_printf(MSG_DEBUG, "nl80211: driver param='%s'", param);
+ if (param == NULL)
+ return 0;
+
+#ifdef CONFIG_P2P
+ if (os_strstr(param, "use_p2p_group_interface=1")) {
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+
+ wpa_printf(MSG_DEBUG, "nl80211: Use separate P2P group "
+ "interface");
+ drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
+ drv->capa.flags |= WPA_DRIVER_FLAGS_P2P_MGMT_AND_NON_P2P;
+ }
+#endif /* CONFIG_P2P */
+
+ return 0;
+}
+
+
+static void * nl80211_global_init(void)
+{
+ struct nl80211_global *global;
+ global = os_zalloc(sizeof(*global));
+ if (global == NULL)
+ return NULL;
+ dl_list_init(&global->interfaces);
+ return global;
+}
+
+
+static void nl80211_global_deinit(void *priv)
+{
+ struct nl80211_global *global = priv;
+ if (global == NULL)
+ return;
+ if (!dl_list_empty(&global->interfaces)) {
+ wpa_printf(MSG_ERROR, "nl80211: %u interface(s) remain at "
+ "nl80211_global_deinit",
+ dl_list_len(&global->interfaces));
+ }
+ os_free(global);
+}
+
+
+static const char * nl80211_get_radio_name(void *priv)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ return drv->phyname;
+}
+
+
+static int nl80211_pmkid(struct i802_bss *bss, int cmd, const u8 *bssid,
+ const u8 *pmkid)
+{
+ struct nl_msg *msg;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(bss->drv->nl80211), 0, 0,
+ cmd, 0);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
+ if (pmkid)
+ NLA_PUT(msg, NL80211_ATTR_PMKID, 16, pmkid);
+ if (bssid)
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid);
+
+ return send_and_recv_msgs(bss->drv, msg, NULL, NULL);
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+
+static int nl80211_add_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
+{
+ struct i802_bss *bss = priv;
+ wpa_printf(MSG_DEBUG, "nl80211: Add PMKID for " MACSTR, MAC2STR(bssid));
+ return nl80211_pmkid(bss, NL80211_CMD_SET_PMKSA, bssid, pmkid);
+}
+
+
+static int nl80211_remove_pmkid(void *priv, const u8 *bssid, const u8 *pmkid)
+{
+ struct i802_bss *bss = priv;
+ wpa_printf(MSG_DEBUG, "nl80211: Delete PMKID for " MACSTR,
+ MAC2STR(bssid));
+ return nl80211_pmkid(bss, NL80211_CMD_DEL_PMKSA, bssid, pmkid);
+}
+
+
+static int nl80211_flush_pmkid(void *priv)
+{
+ struct i802_bss *bss = priv;
+ wpa_printf(MSG_DEBUG, "nl80211: Flush PMKIDs");
+ return nl80211_pmkid(bss, NL80211_CMD_FLUSH_PMKSA, NULL, NULL);
+}
+
+
const struct wpa_driver_ops wpa_driver_nl80211_ops = {
.name = "nl80211",
.desc = "Linux nl80211/cfg80211",
.disassociate = wpa_driver_nl80211_disassociate,
.authenticate = wpa_driver_nl80211_authenticate,
.associate = wpa_driver_nl80211_associate,
- .init = wpa_driver_nl80211_init,
+ .global_init = nl80211_global_init,
+ .global_deinit = nl80211_global_deinit,
+ .init2 = wpa_driver_nl80211_init,
.deinit = wpa_driver_nl80211_deinit,
.get_capa = wpa_driver_nl80211_get_capa,
.set_operstate = wpa_driver_nl80211_set_operstate,
#ifdef HOSTAPD
.hapd_init = i802_init,
.hapd_deinit = i802_deinit,
+ .set_wds_sta = i802_set_wds_sta,
+#endif /* HOSTAPD */
+#if defined(HOSTAPD) || defined(CONFIG_AP)
.get_seqnum = i802_get_seqnum,
.flush = i802_flush,
.read_sta_data = i802_read_sta_data,
- .sta_deauth = i802_sta_deauth,
- .sta_disassoc = i802_sta_disassoc,
.get_inact_sec = i802_get_inact_sec,
.sta_clear_stats = i802_sta_clear_stats,
- .set_freq = i802_set_freq,
.set_rts = i802_set_rts,
.set_frag = i802_set_frag,
- .set_rate_sets = i802_set_rate_sets,
.set_cts_protect = i802_set_cts_protect,
.set_preamble = i802_set_preamble,
.set_short_slot_time = i802_set_short_slot_time,
.set_tx_queue_params = i802_set_tx_queue_params,
.set_sta_vlan = i802_set_sta_vlan,
- .set_wds_sta = i802_set_wds_sta,
-#endif /* HOSTAPD */
+ .set_ht_params = i802_set_ht_params,
+ .set_rate_sets = i802_set_rate_sets,
+ .sta_deauth = i802_sta_deauth,
+ .sta_disassoc = i802_sta_disassoc,
+#endif /* HOSTAPD || CONFIG_AP */
+ .set_freq = i802_set_freq,
.send_action = wpa_driver_nl80211_send_action,
+ .send_action_cancel_wait = wpa_driver_nl80211_send_action_cancel_wait,
.remain_on_channel = wpa_driver_nl80211_remain_on_channel,
.cancel_remain_on_channel =
wpa_driver_nl80211_cancel_remain_on_channel,
.resume = wpa_driver_nl80211_resume,
.send_ft_action = nl80211_send_ft_action,
.signal_monitor = nl80211_signal_monitor,
+ .signal_poll = nl80211_signal_poll,
.send_frame = nl80211_send_frame,
+ .set_intra_bss = nl80211_set_intra_bss,
+ .set_param = nl80211_set_param,
+ .get_radio_name = nl80211_get_radio_name,
+ .add_pmkid = nl80211_add_pmkid,
+ .remove_pmkid = nl80211_remove_pmkid,
+ .flush_pmkid = nl80211_flush_pmkid,
};
projects / mech_eap.git / blobdiff