/*
* Driver interaction with Linux nl80211/cfg80211
- * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2015, Jouni Malinen <j@w1.fi>
* Copyright (c) 2003-2004, Instant802 Networks, Inc.
* Copyright (c) 2005-2006, Devicescape Software, Inc.
* Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
eloop_sock_handler handler,
void *eloop_data)
{
+ /*
+ * libnl uses a pretty small buffer (32 kB that gets converted to 64 kB)
+ * by default. It is possible to hit that limit in some cases where
+ * operations are blocked, e.g., with a burst of Deauthentication frames
+ * to hostapd and STA entry deletion. Try to increase the buffer to make
+ * this less likely to occur.
+ */
+ if (nl_socket_set_buffer_size(*handle, 262144, 0) < 0) {
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Could not set nl_socket RX buffer size: %s",
+ strerror(errno));
+ /* continue anyway with the default (smaller) buffer */
+ }
+
nl_socket_set_nonblocking(*handle);
eloop_register_read_sock(nl_socket_get_fd(*handle), handler,
eloop_data, *handle);
unsigned int freq, unsigned int wait,
const u8 *buf, size_t buf_len, u64 *cookie,
int no_cck, int no_ack, int offchanok);
-static int nl80211_register_frame(struct i802_bss *bss,
- struct nl_handle *hl_handle,
- u16 type, const u8 *match, size_t match_len);
static int wpa_driver_nl80211_probe_req_report(struct i802_bss *bss,
int report);
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 have_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
-static int wpa_driver_nl80211_if_remove(struct i802_bss *bss,
- enum wpa_driver_if_type type,
- const char *ifname);
static int nl80211_set_channel(struct i802_bss *bss,
struct hostapd_freq_params *freq, int set_chan);
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);
+static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
+ int reset_mode);
-static int i802_set_freq(void *priv, struct hostapd_freq_params *freq);
static int i802_set_iface_flags(struct i802_bss *bss, int up);
static int nl80211_set_param(void *priv, const char *param);
}
+static void nl80211_nlmsg_clear(struct nl_msg *msg)
+{
+ /*
+ * Clear nlmsg data, e.g., to make sure key material is not left in
+ * heap memory for unnecessarily long time.
+ */
+ if (msg) {
+ struct nlmsghdr *hdr = nlmsg_hdr(msg);
+ void *data = nlmsg_data(hdr);
+ /*
+ * This would use nlmsg_datalen() or the older nlmsg_len() if
+ * only libnl were to maintain a stable API.. Neither will work
+ * with all released versions, so just calculate the length
+ * here.
+ */
+ int len = hdr->nlmsg_len - NLMSG_HDRLEN;
+
+ os_memset(data, 0, len);
+ }
+}
+
+
static int send_and_recv(struct nl80211_global *global,
struct nl_handle *nl_handle, struct nl_msg *msg,
int (*valid_handler)(struct nl_msg *, void *),
}
out:
nl_cb_put(cb);
+ if (!valid_handler && valid_data == (void *) -1)
+ nl80211_nlmsg_clear(msg);
nlmsg_free(msg);
return err;
}
-static int send_and_recv_msgs_global(struct nl80211_global *global,
- struct nl_msg *msg,
- int (*valid_handler)(struct nl_msg *, void *),
- void *valid_data)
-{
- return send_and_recv(global, global->nl, msg, valid_handler,
- valid_data);
-}
-
-
int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
struct nl_msg *msg,
int (*valid_handler)(struct nl_msg *, void *),
return -1;
}
- ret = send_and_recv_msgs_global(global, msg, family_handler, &res);
+ ret = send_and_recv(global, global->nl, msg, family_handler, &res);
if (ret == 0)
ret = res.id;
return ret;
static void wpa_driver_nl80211_event_newlink(
- struct wpa_driver_nl80211_data *drv, char *ifname)
+ struct wpa_driver_nl80211_data *drv, const char *ifname)
{
union wpa_event_data event;
static void wpa_driver_nl80211_event_dellink(
- struct wpa_driver_nl80211_data *drv, char *ifname)
+ struct wpa_driver_nl80211_data *drv, const char *ifname)
{
union wpa_event_data event;
struct i802_bss *bss;
/* device has been added to bridge */
- if_indextoname(brid, namebuf);
+ if (!if_indextoname(brid, namebuf)) {
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Could not find bridge ifname for ifindex %u",
+ brid);
+ return;
+ }
wpa_printf(MSG_DEBUG, "nl80211: Add ifindex %u for bridge %s",
brid, namebuf);
add_ifidx(drv, brid);
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);
+
+ if (!if_indextoname(brid, namebuf)) {
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Could not find bridge ifname for ifindex %u",
+ brid);
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Remove ifindex %u for bridge %s",
+ brid, namebuf);
+ }
del_ifidx(drv, brid);
}
}
}
-static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv)
-{
- drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
- if (!drv->nl_cb) {
- wpa_printf(MSG_ERROR, "nl80211: Failed to alloc cb struct");
- return -1;
- }
-
- nl_cb_set(drv->nl_cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM,
- no_seq_check, NULL);
- nl_cb_set(drv->nl_cb, NL_CB_VALID, NL_CB_CUSTOM,
- process_drv_event, drv);
-
- return 0;
-}
-
-
static void wpa_driver_nl80211_rfkill_blocked(void *ctx)
{
wpa_printf(MSG_DEBUG, "nl80211: RFKILL blocked");
drv->ctx = ctx;
drv->hostapd = !!hostapd;
drv->eapol_sock = -1;
+
+ /*
+ * There is no driver capability flag for this, so assume it is
+ * supported and disable this on first attempt to use if the driver
+ * rejects the command due to missing support.
+ */
+ drv->set_rekey_offload = 1;
+
drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
drv->if_indices = drv->default_if_indices;
drv->eapol_tx_sock = -1;
drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
- if (wpa_driver_nl80211_init_nl(drv)) {
- os_free(drv);
- return NULL;
- }
-
if (nl80211_init_bss(bss))
goto failed;
static int nl80211_alloc_mgmt_handle(struct i802_bss *bss)
{
- struct wpa_driver_nl80211_data *drv = bss->drv;
-
if (bss->nl_mgmt) {
wpa_printf(MSG_DEBUG, "nl80211: Mgmt reporting "
"already on! (nl_mgmt=%p)", bss->nl_mgmt);
return -1;
}
- bss->nl_mgmt = nl_create_handle(drv->nl_cb, "mgmt");
+ bss->nl_mgmt = nl_create_handle(bss->nl_cb, "mgmt");
if (bss->nl_mgmt == NULL)
return -1;
/* WMM-AC ADDTS Response */
if (nl80211_register_action_frame(bss, (u8 *) "\x11\x01", 2) < 0)
- return -1;
+ ret = -1;
/* WMM-AC DELTS */
if (nl80211_register_action_frame(bss, (u8 *) "\x11\x02", 2) < 0)
- return -1;
+ ret = -1;
/* Radio Measurement - Neighbor Report Response */
if (nl80211_register_action_frame(bss, (u8 *) "\x05\x05", 2) < 0)
{
struct wpa_driver_nl80211_data *drv = bss->drv;
+ wpa_printf(MSG_INFO, "nl80211: deinit ifname=%s disabled_11b_rates=%d",
+ bss->ifname, drv->disabled_11b_rates);
+
bss->in_deinit = 1;
if (drv->data_tx_status)
eloop_unregister_read_sock(drv->eapol_tx_sock);
nl80211_handle_destroy(drv->rtnl_sk);
}
if (bss->added_bridge) {
+ if (linux_set_iface_flags(drv->global->ioctl_sock, bss->brname,
+ 0) < 0)
+ wpa_printf(MSG_INFO,
+ "nl80211: Could not set bridge %s down",
+ bss->brname);
if (linux_br_del(drv->global->ioctl_sock, bss->brname) < 0)
wpa_printf(MSG_INFO, "nl80211: Failed to remove "
"bridge %s: %s",
nl80211_mgmt_unsubscribe(bss, "deinit");
nl80211_del_p2pdev(bss);
}
- nl_cb_put(drv->nl_cb);
nl80211_destroy_bss(drv->first_bss);
struct nl_msg *msg;
int ret;
- if (!drv->key_mgmt_set_key_vendor_cmd_avail)
+ if (!(drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
return 0;
if (!(msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR)) ||
nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_SET_KEY) ||
nla_put(msg, NL80211_ATTR_VENDOR_DATA, key_len, key)) {
+ nl80211_nlmsg_clear(msg);
nlmsg_free(msg);
return -1;
}
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
if (ret) {
wpa_printf(MSG_DEBUG,
"nl80211: Key management set key failed: ret=%d (%s)",
}
#endif /* CONFIG_TDLS */
- if (alg == WPA_ALG_PMK && drv->key_mgmt_set_key_vendor_cmd_avail) {
+ if (alg == WPA_ALG_PMK &&
+ (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
wpa_printf(MSG_DEBUG, "%s: calling issue_key_mgmt_set_key",
__func__);
ret = issue_key_mgmt_set_key(drv, key, key_len);
if (nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx))
goto fail;
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ ret = send_and_recv_msgs(drv, msg, NULL, key ? (void *) -1 : NULL);
if ((ret == -ENOENT || ret == -ENOLINK) && alg == WPA_ALG_NONE)
ret = 0;
if (ret)
msg = nl80211_ifindex_msg(drv, ifindex, 0, NL80211_CMD_SET_KEY);
if (!msg ||
nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx) ||
- nla_put_flag(msg, alg == WPA_ALG_IGTK ?
+ nla_put_flag(msg, (alg == WPA_ALG_IGTK ||
+ alg == WPA_ALG_BIP_GMAC_128 ||
+ alg == WPA_ALG_BIP_GMAC_256 ||
+ alg == WPA_ALG_BIP_CMAC_256) ?
NL80211_ATTR_KEY_DEFAULT_MGMT :
NL80211_ATTR_KEY_DEFAULT))
goto fail;
return ret;
fail:
+ nl80211_nlmsg_clear(msg);
nlmsg_free(msg);
return -ENOBUFS;
}
if (drv->nlmode == NL80211_IFTYPE_ADHOC) {
nl80211_mark_disconnected(drv);
- return nl80211_leave_ibss(drv);
+ return nl80211_leave_ibss(drv, 1);
}
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
return wpa_driver_nl80211_disconnect(drv, reason_code);
}
+static void nl80211_unmask_11b_rates(struct i802_bss *bss)
+{
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+
+ if (is_p2p_net_interface(drv->nlmode) || !drv->disabled_11b_rates)
+ return;
+
+ /*
+ * Looks like we failed to unmask 11b rates previously. This could
+ * happen, e.g., if the interface was down at the point in time when a
+ * P2P group was terminated.
+ */
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Interface %s mode is for non-P2P, but 11b rates were disabled - re-enable them",
+ bss->ifname);
+ nl80211_disable_11b_rates(drv, drv->ifindex, 0);
+}
+
+
static int wpa_driver_nl80211_authenticate(
struct i802_bss *bss, struct wpa_driver_auth_params *params)
{
int count = 0;
int is_retry;
+ nl80211_unmask_11b_rates(bss);
+
is_retry = drv->retry_auth;
drv->retry_auth = 0;
drv->ignore_deauth_event = 0;
}
+static int nl80211_put_basic_rates(struct nl_msg *msg, const int *basic_rates)
+{
+ u8 rates[NL80211_MAX_SUPP_RATES];
+ u8 rates_len = 0;
+ int i;
+
+ if (!basic_rates)
+ return 0;
+
+ for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0; i++)
+ rates[rates_len++] = basic_rates[i] / 5;
+
+ return nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
+}
+
+
static int nl80211_set_bss(struct i802_bss *bss, int cts, int preamble,
int slot, int ht_opmode, int ap_isolate,
- int *basic_rates)
+ const int *basic_rates)
{
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
(ht_opmode >= 0 &&
nla_put_u16(msg, NL80211_ATTR_BSS_HT_OPMODE, ht_opmode)) ||
(ap_isolate >= 0 &&
- nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)))
- goto fail;
-
- if (basic_rates) {
- u8 rates[NL80211_MAX_SUPP_RATES];
- u8 rates_len = 0;
- int i;
-
- for (i = 0; i < NL80211_MAX_SUPP_RATES && basic_rates[i] >= 0;
- i++)
- rates[rates_len++] = basic_rates[i] / 5;
-
- if (nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len,
- rates))
- goto fail;
+ nla_put_u8(msg, NL80211_ATTR_AP_ISOLATE, ap_isolate)) ||
+ nl80211_put_basic_rates(msg, basic_rates)) {
+ nlmsg_free(msg);
+ return -ENOBUFS;
}
return send_and_recv_msgs(drv, msg, NULL, NULL);
-fail:
- nlmsg_free(msg);
- return -ENOBUFS;
}
}
+static int nl80211_put_beacon_int(struct nl_msg *msg, int beacon_int)
+{
+ if (beacon_int > 0) {
+ wpa_printf(MSG_DEBUG, " * beacon_int=%d", beacon_int);
+ return nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
+ beacon_int);
+ }
+
+ return 0;
+}
+
+
static int wpa_driver_nl80211_set_ap(void *priv,
struct wpa_driver_ap_params *params)
{
params->head) ||
nla_put(msg, NL80211_ATTR_BEACON_TAIL, params->tail_len,
params->tail) ||
- nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
- params->beacon_int) ||
+ nl80211_put_beacon_int(msg, params->beacon_int) ||
nla_put_u32(msg, NL80211_ATTR_DTIM_PERIOD, params->dtim_period) ||
nla_put(msg, NL80211_ATTR_SSID, params->ssid_len, params->ssid))
goto fail;
suites))
goto fail;
- if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X &&
+ if (params->key_mgmt_suites & WPA_KEY_MGMT_IEEE8021X_NO_WPA &&
params->pairwise_ciphers & (WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40) &&
nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))
goto fail;
static int nl80211_put_freq_params(struct nl_msg *msg,
- struct hostapd_freq_params *freq)
+ const struct hostapd_freq_params *freq)
{
+ wpa_printf(MSG_DEBUG, " * freq=%d", freq->freq);
if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq))
return -ENOBUFS;
+ wpa_printf(MSG_DEBUG, " * vht_enabled=%d", freq->vht_enabled);
+ wpa_printf(MSG_DEBUG, " * ht_enabled=%d", freq->ht_enabled);
+
if (freq->vht_enabled) {
enum nl80211_chan_width cw;
+ wpa_printf(MSG_DEBUG, " * bandwidth=%d", freq->bandwidth);
switch (freq->bandwidth) {
case 20:
cw = NL80211_CHAN_WIDTH_20;
return -EINVAL;
}
+ wpa_printf(MSG_DEBUG, " * channel_width=%d", cw);
+ wpa_printf(MSG_DEBUG, " * center_freq1=%d",
+ freq->center_freq1);
+ wpa_printf(MSG_DEBUG, " * center_freq2=%d",
+ freq->center_freq2);
if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, cw) ||
nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1,
freq->center_freq1) ||
} else if (freq->ht_enabled) {
enum nl80211_channel_type ct;
+ wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
+ freq->sec_channel_offset);
switch (freq->sec_channel_offset) {
case -1:
ct = NL80211_CHAN_HT40MINUS;
break;
}
+ wpa_printf(MSG_DEBUG, " * channel_type=%d", ct);
if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ct))
return -ENOBUFS;
}
wds, handler, arg);
}
- if (ret >= 0 && is_p2p_net_interface(iftype))
+ if (ret >= 0 && is_p2p_net_interface(iftype)) {
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Interface %s created for P2P - disable 11b rates",
+ ifname);
nl80211_disable_11b_rates(drv, ret, 1);
+ }
return ret;
}
}
-static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv)
+static int nl80211_leave_ibss(struct wpa_driver_nl80211_data *drv,
+ int reset_mode)
{
struct nl_msg *msg;
int ret;
"nl80211: Leave IBSS request sent successfully");
}
- if (wpa_driver_nl80211_set_mode(drv->first_bss,
+ if (reset_mode &&
+ wpa_driver_nl80211_set_mode(drv->first_bss,
NL80211_IFTYPE_STATION)) {
wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
"station mode");
}
+static int nl80211_ht_vht_overrides(struct nl_msg *msg,
+ struct wpa_driver_associate_params *params)
+{
+ if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
+ return -1;
+
+ if (params->htcaps && params->htcaps_mask) {
+ int sz = sizeof(struct ieee80211_ht_capabilities);
+ wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
+ wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
+ params->htcaps_mask, sz);
+ if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
+ params->htcaps) ||
+ nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
+ params->htcaps_mask))
+ return -1;
+ }
+
+#ifdef CONFIG_VHT_OVERRIDES
+ if (params->disable_vht) {
+ wpa_printf(MSG_DEBUG, " * VHT disabled");
+ if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
+ return -1;
+ }
+
+ if (params->vhtcaps && params->vhtcaps_mask) {
+ int sz = sizeof(struct ieee80211_vht_capabilities);
+ wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
+ wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
+ params->vhtcaps_mask, sz);
+ if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
+ params->vhtcaps) ||
+ nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
+ params->vhtcaps_mask))
+ return -1;
+ }
+#endif /* CONFIG_VHT_OVERRIDES */
+
+ return 0;
+}
+
+
static int wpa_driver_nl80211_ibss(struct wpa_driver_nl80211_data *drv,
struct wpa_driver_associate_params *params)
{
os_memcpy(drv->ssid, params->ssid, params->ssid_len);
drv->ssid_len = params->ssid_len;
- wpa_printf(MSG_DEBUG, " * freq=%d", params->freq.freq);
- wpa_printf(MSG_DEBUG, " * ht_enabled=%d", params->freq.ht_enabled);
- wpa_printf(MSG_DEBUG, " * sec_channel_offset=%d",
- params->freq.sec_channel_offset);
- wpa_printf(MSG_DEBUG, " * vht_enabled=%d", params->freq.vht_enabled);
- wpa_printf(MSG_DEBUG, " * center_freq1=%d", params->freq.center_freq1);
- wpa_printf(MSG_DEBUG, " * center_freq2=%d", params->freq.center_freq2);
- wpa_printf(MSG_DEBUG, " * bandwidth=%d", params->freq.bandwidth);
- if (nl80211_put_freq_params(msg, ¶ms->freq) < 0)
+ if (nl80211_put_freq_params(msg, ¶ms->freq) < 0 ||
+ nl80211_put_beacon_int(msg, params->beacon_int))
goto fail;
- if (params->beacon_int > 0) {
- wpa_printf(MSG_DEBUG, " * beacon_int=%d", params->beacon_int);
- if (nla_put_u32(msg, NL80211_ATTR_BEACON_INTERVAL,
- params->beacon_int))
- goto fail;
- }
-
ret = nl80211_set_conn_keys(params, msg);
if (ret)
goto fail;
goto fail;
}
+ if (nl80211_ht_vht_overrides(msg, params) < 0)
+ return -1;
+
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
msg = NULL;
if (ret) {
if (ret == -EALREADY && count == 1) {
wpa_printf(MSG_DEBUG, "nl80211: Retry IBSS join after "
"forced leave");
- nl80211_leave_ibss(drv);
+ nl80211_leave_ibss(drv, 0);
nlmsg_free(msg);
goto retry;
}
return -1;
}
- if (params->disable_ht && nla_put_flag(msg, NL80211_ATTR_DISABLE_HT))
+ if (nl80211_ht_vht_overrides(msg, params) < 0)
return -1;
- if (params->htcaps && params->htcaps_mask) {
- int sz = sizeof(struct ieee80211_ht_capabilities);
- wpa_hexdump(MSG_DEBUG, " * htcaps", params->htcaps, sz);
- wpa_hexdump(MSG_DEBUG, " * htcaps_mask",
- params->htcaps_mask, sz);
- if (nla_put(msg, NL80211_ATTR_HT_CAPABILITY, sz,
- params->htcaps) ||
- nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, sz,
- params->htcaps_mask))
- return -1;
- }
-
-#ifdef CONFIG_VHT_OVERRIDES
- if (params->disable_vht) {
- wpa_printf(MSG_DEBUG, " * VHT disabled");
- if (nla_put_flag(msg, NL80211_ATTR_DISABLE_VHT))
- return -1;
- }
-
- if (params->vhtcaps && params->vhtcaps_mask) {
- int sz = sizeof(struct ieee80211_vht_capabilities);
- wpa_hexdump(MSG_DEBUG, " * vhtcaps", params->vhtcaps, sz);
- wpa_hexdump(MSG_DEBUG, " * vhtcaps_mask",
- params->vhtcaps_mask, sz);
- if (nla_put(msg, NL80211_ATTR_VHT_CAPABILITY, sz,
- params->vhtcaps) ||
- nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, sz,
- params->vhtcaps_mask))
- return -1;
- }
-#endif /* CONFIG_VHT_OVERRIDES */
-
if (params->p2p)
wpa_printf(MSG_DEBUG, " * P2P group");
int ret = -1;
struct nl_msg *msg;
+ nl80211_unmask_11b_rates(bss);
+
if (params->mode == IEEE80211_MODE_AP)
return wpa_driver_nl80211_ap(drv, params);
* on a frequency that the mode is disallowed in.
*/
if (desired_freq_params) {
- res = i802_set_freq(bss, desired_freq_params);
+ res = nl80211_set_channel(bss, desired_freq_params, 0);
if (res) {
wpa_printf(MSG_DEBUG,
"nl80211: Failed to set frequency on interface");
return ret;
}
- if (is_p2p_net_interface(nlmode))
+ if (is_p2p_net_interface(nlmode)) {
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Interface %s mode change to P2P - disable 11b rates",
+ bss->ifname);
nl80211_disable_11b_rates(drv, drv->ifindex, 1);
- else if (drv->disabled_11b_rates)
+ } else if (drv->disabled_11b_rates) {
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Interface %s mode changed to non-P2P - re-enable 11b rates",
+ bss->ifname);
nl80211_disable_11b_rates(drv, drv->ifindex, 0);
+ }
if (is_ap_interface(nlmode)) {
nl80211_mgmt_unsubscribe(bss, "start AP");
data.inactive_msec = (unsigned long) -1;
ret = i802_read_sta_data(priv, &data, addr);
+ if (ret == -ENOENT)
+ return -ENOENT;
if (ret || data.inactive_msec == (unsigned long) -1)
return -1;
return data.inactive_msec / 1000;
if (!drv->if_indices[i])
continue;
res = os_snprintf(pos, end - pos, " %d", drv->if_indices[i]);
- if (res < 0 || res >= end - pos)
+ if (os_snprintf_error(end - pos, res))
break;
pos += res;
}
br_added = 1;
}
}
- if (!br_added && br_ifindex &&
- (params->num_bridge == 0 || !params->bridge[0]))
- add_ifidx(drv, br_ifindex);
/* start listening for EAPOL on the default AP interface */
add_ifidx(drv, drv->ifindex);
- if (params->num_bridge && params->bridge[0] &&
- i802_check_bridge(drv, bss, params->bridge[0], params->ifname) < 0)
- goto failed;
+ if (params->num_bridge && params->bridge[0]) {
+ if (i802_check_bridge(drv, bss, params->bridge[0],
+ params->ifname) < 0)
+ goto failed;
+ if (os_strcmp(params->bridge[0], brname) != 0)
+ br_added = 1;
+ }
+
+ if (!br_added && br_ifindex &&
+ (params->num_bridge == 0 || !params->bridge[0]))
+ add_ifidx(drv, br_ifindex);
#ifdef CONFIG_LIBNL3_ROUTE
if (bss->added_if_into_bridge) {
return NL80211_IFTYPE_P2P_GO;
case WPA_IF_P2P_DEVICE:
return NL80211_IFTYPE_P2P_DEVICE;
+ case WPA_IF_MESH:
+ return NL80211_IFTYPE_MESH_POINT;
}
return -1;
}
-#ifdef CONFIG_P2P
+#if defined(CONFIG_P2P) || defined(CONFIG_MESH)
static int nl80211_addr_in_use(struct nl80211_global *global, const u8 *addr)
{
}
-static int nl80211_p2p_interface_addr(struct wpa_driver_nl80211_data *drv,
- u8 *new_addr)
+static int nl80211_vif_addr(struct wpa_driver_nl80211_data *drv, u8 *new_addr)
{
unsigned int idx;
if (idx == 64)
return -1;
- wpa_printf(MSG_DEBUG, "nl80211: Assigned new P2P Interface Address "
+ wpa_printf(MSG_DEBUG, "nl80211: Assigned new virtual interface address "
MACSTR, MAC2STR(new_addr));
return 0;
}
-#endif /* CONFIG_P2P */
+#endif /* CONFIG_P2P || CONFIG_MESH */
struct wdev_info {
}
}
-#ifdef CONFIG_P2P
+#if defined(CONFIG_P2P) || defined(CONFIG_MESH)
if (!addr &&
(type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP ||
- type == WPA_IF_P2P_GO)) {
+ type == WPA_IF_P2P_GO || type == WPA_IF_MESH)) {
/* Enforce unique P2P Interface Address */
u8 new_addr[ETH_ALEN];
}
if (nl80211_addr_in_use(drv->global, new_addr)) {
wpa_printf(MSG_DEBUG, "nl80211: Allocate new address "
- "for P2P group interface");
- if (nl80211_p2p_interface_addr(drv, new_addr) < 0) {
+ "for %s interface", type == WPA_IF_MESH ?
+ "mesh" : "P2P group");
+ if (nl80211_vif_addr(drv, new_addr) < 0) {
if (added)
nl80211_remove_iface(drv, ifidx);
return -1;
}
os_memcpy(if_addr, new_addr, ETH_ALEN);
}
-#endif /* CONFIG_P2P */
+#endif /* CONFIG_P2P || CONFIG_MESH */
if (type == WPA_IF_AP_BSS) {
struct i802_bss *new_bss = os_zalloc(sizeof(*new_bss));
struct nlattr *bands, *band;
int ret;
+ wpa_printf(MSG_DEBUG,
+ "nl80211: NL80211_CMD_SET_TX_BITRATE_MASK (ifindex=%d %s)",
+ ifindex, disabled ? "NL80211_TXRATE_LEGACY=OFDM-only" :
+ "no NL80211_TXRATE_LEGACY constraint");
+
msg = nl80211_ifindex_msg(drv, ifindex, 0,
NL80211_CMD_SET_TX_BITRATE_MASK);
if (!msg)
}
-static void nl80211_set_rekey_info(void *priv, const u8 *kek, const u8 *kck,
+static void nl80211_set_rekey_info(void *priv, const u8 *kek, size_t kek_len,
+ const u8 *kck, size_t kck_len,
const u8 *replay_ctr)
{
struct i802_bss *bss = priv;
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nlattr *replay_nested;
struct nl_msg *msg;
+ int ret;
+
+ if (!drv->set_rekey_offload)
+ return;
+ wpa_printf(MSG_DEBUG, "nl80211: Set rekey offload");
if (!(msg = nl80211_bss_msg(bss, 0, NL80211_CMD_SET_REKEY_OFFLOAD)) ||
!(replay_nested = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA)) ||
- nla_put(msg, NL80211_REKEY_DATA_KEK, NL80211_KEK_LEN, kek) ||
- nla_put(msg, NL80211_REKEY_DATA_KCK, NL80211_KCK_LEN, kck) ||
+ nla_put(msg, NL80211_REKEY_DATA_KEK, kek_len, kek) ||
+ nla_put(msg, NL80211_REKEY_DATA_KCK, kck_len, kck) ||
nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, NL80211_REPLAY_CTR_LEN,
replay_ctr)) {
+ nl80211_nlmsg_clear(msg);
nlmsg_free(msg);
return;
}
nla_nest_end(msg, replay_nested);
- send_and_recv_msgs(drv, msg, NULL, NULL);
+ ret = send_and_recv_msgs(drv, msg, NULL, (void *) -1);
+ if (ret == -EOPNOTSUPP) {
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Driver does not support rekey offload");
+ drv->set_rekey_offload = 0;
+ }
}
return send_and_recv_msgs(drv, msg, NULL, NULL);
}
+
+static int
+nl80211_tdls_enable_channel_switch(void *priv, const u8 *addr, u8 oper_class,
+ const struct hostapd_freq_params *params)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct nl_msg *msg;
+ int ret = -ENOBUFS;
+
+ if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
+ !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
+ return -EOPNOTSUPP;
+
+ wpa_printf(MSG_DEBUG, "nl80211: Enable TDLS channel switch " MACSTR
+ " oper_class=%u freq=%u",
+ MAC2STR(addr), oper_class, params->freq);
+ msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CHANNEL_SWITCH);
+ if (!msg ||
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) ||
+ nla_put_u8(msg, NL80211_ATTR_OPER_CLASS, oper_class) ||
+ (ret = nl80211_put_freq_params(msg, params))) {
+ nlmsg_free(msg);
+ wpa_printf(MSG_DEBUG, "nl80211: Could not build TDLS chan switch");
+ return ret;
+ }
+
+ return send_and_recv_msgs(drv, msg, NULL, NULL);
+}
+
+
+static int
+nl80211_tdls_disable_channel_switch(void *priv, const u8 *addr)
+{
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
+ struct nl_msg *msg;
+
+ if (!(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT) ||
+ !(drv->capa.flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH))
+ return -EOPNOTSUPP;
+
+ wpa_printf(MSG_DEBUG, "nl80211: Disable TDLS channel switch " MACSTR,
+ MAC2STR(addr));
+ msg = nl80211_cmd_msg(bss, 0, NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH);
+ if (!msg ||
+ nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) {
+ nlmsg_free(msg);
+ wpa_printf(MSG_DEBUG,
+ "nl80211: Could not build TDLS cancel chan switch");
+ return -ENOBUFS;
+ }
+
+ return send_and_recv_msgs(drv, msg, NULL, NULL);
+}
+
#endif /* CONFIG TDLS */
bss->added_bridge ? "added_bridge=1\n" : "",
bss->in_deinit ? "in_deinit=1\n" : "",
bss->if_dynamic ? "if_dynamic=1\n" : "");
- if (res < 0 || res >= end - pos)
+ if (os_snprintf_error(end - pos, res))
return pos - buf;
pos += res;
if (bss->wdev_id_set) {
res = os_snprintf(pos, end - pos, "wdev_id=%llu\n",
(unsigned long long) bss->wdev_id);
- if (res < 0 || res >= end - pos)
+ if (os_snprintf_error(end - pos, res))
return pos - buf;
pos += res;
}
"ignore_next_local_disconnect=1\n" : "",
drv->ignore_next_local_deauth ?
"ignore_next_local_deauth=1\n" : "");
- if (res < 0 || res >= end - pos)
+ if (os_snprintf_error(end - pos, res))
return pos - buf;
pos += res;
"capa.enc=0x%x\n"
"capa.auth=0x%x\n"
"capa.flags=0x%llx\n"
+ "capa.rrm_flags=0x%x\n"
"capa.max_scan_ssids=%d\n"
"capa.max_sched_scan_ssids=%d\n"
"capa.sched_scan_supported=%d\n"
"capa.max_stations=%u\n"
"capa.probe_resp_offloads=0x%x\n"
"capa.max_acl_mac_addrs=%u\n"
- "capa.num_multichan_concurrent=%u\n",
+ "capa.num_multichan_concurrent=%u\n"
+ "capa.mac_addr_rand_sched_scan_supported=%d\n"
+ "capa.mac_addr_rand_scan_supported=%d\n",
drv->capa.key_mgmt,
drv->capa.enc,
drv->capa.auth,
(unsigned long long) drv->capa.flags,
+ drv->capa.rrm_flags,
drv->capa.max_scan_ssids,
drv->capa.max_sched_scan_ssids,
drv->capa.sched_scan_supported,
drv->capa.max_stations,
drv->capa.probe_resp_offloads,
drv->capa.max_acl_mac_addrs,
- drv->capa.num_multichan_concurrent);
- if (res < 0 || res >= end - pos)
+ drv->capa.num_multichan_concurrent,
+ drv->capa.mac_addr_rand_sched_scan_supported,
+ drv->capa.mac_addr_rand_scan_supported);
+ if (os_snprintf_error(end - pos, res))
return pos - buf;
pos += res;
}
}
+static int nl80211_put_mesh_id(struct nl_msg *msg, const u8 *mesh_id,
+ size_t mesh_id_len)
+{
+ if (mesh_id) {
+ wpa_hexdump_ascii(MSG_DEBUG, " * Mesh ID (SSID)",
+ mesh_id, mesh_id_len);
+ return nla_put(msg, NL80211_ATTR_MESH_ID, mesh_id_len, mesh_id);
+ }
+
+ return 0;
+}
+
+
static int
wpa_driver_nl80211_join_mesh(void *priv,
struct wpa_driver_mesh_join_params *params)
struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
struct nlattr *container;
- int ret = 0;
+ int ret = -1;
+ u32 timeout;
wpa_printf(MSG_DEBUG, "nl80211: mesh join (ifindex=%d)", drv->ifindex);
msg = nl80211_drv_msg(drv, 0, NL80211_CMD_JOIN_MESH);
- if (!msg)
+ if (!msg ||
+ nl80211_put_freq_params(msg, ¶ms->freq) ||
+ nl80211_put_basic_rates(msg, params->basic_rates) ||
+ nl80211_put_mesh_id(msg, params->meshid, params->meshid_len) ||
+ nl80211_put_beacon_int(msg, params->beacon_int))
goto fail;
- if (params->freq) {
- wpa_printf(MSG_DEBUG, " * freq=%d", params->freq);
- if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq))
- goto fail;
- }
-
- if (params->ht_mode) {
- unsigned int ht_value;
- char *ht_mode = "";
-
- switch (params->ht_mode) {
- default:
- case CHAN_NO_HT:
- ht_value = NL80211_CHAN_NO_HT;
- ht_mode = "NOHT";
- break;
- case CHAN_HT20:
- ht_value = NL80211_CHAN_HT20;
- ht_mode = "HT20";
- break;
- case CHAN_HT40PLUS:
- ht_value = NL80211_CHAN_HT40PLUS;
- ht_mode = "HT40+";
- break;
- case CHAN_HT40MINUS:
- ht_value = NL80211_CHAN_HT40MINUS;
- ht_mode = "HT40-";
- break;
- }
- wpa_printf(MSG_DEBUG, " * ht_mode=%s", ht_mode);
- if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, ht_value))
- goto fail;
- }
-
- if (params->basic_rates) {
- u8 rates[NL80211_MAX_SUPP_RATES];
- u8 rates_len = 0;
- int i;
-
- for (i = 0; i < NL80211_MAX_SUPP_RATES; i++) {
- if (params->basic_rates[i] < 0)
- break;
- rates[rates_len++] = params->basic_rates[i] / 5;
- }
-
- if (nla_put(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len,
- rates))
- goto fail;
- }
-
- if (params->meshid) {
- wpa_hexdump_ascii(MSG_DEBUG, " * SSID",
- params->meshid, params->meshid_len);
- if (nla_put(msg, NL80211_ATTR_MESH_ID, params->meshid_len,
- params->meshid))
- goto fail;
- }
wpa_printf(MSG_DEBUG, " * flags=%08X", params->flags);
if (!(params->conf.flags & WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS) &&
nla_put_u32(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, 0))
goto fail;
+ if ((params->conf.flags & WPA_DRIVER_MESH_FLAG_DRIVER_MPM) &&
+ nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS,
+ params->max_peer_links))
+ goto fail;
+
+ /*
+ * Set NL80211_MESHCONF_PLINK_TIMEOUT even if user mpm is used because
+ * the timer could disconnect stations even in that case.
+ *
+ * Set 0xffffffff instead of 0 because NL80211_MESHCONF_PLINK_TIMEOUT
+ * does not allow 0.
+ */
+ timeout = params->conf.peer_link_timeout;
+ if ((params->flags & WPA_DRIVER_MESH_FLAG_USER_MPM) || timeout == 0)
+ timeout = 0xffffffff;
+ if (nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, timeout)) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to set PLINK_TIMEOUT");
+ goto fail;
+ }
+
nla_nest_end(msg, container);
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
goto fail;
}
ret = 0;
- bss->freq = params->freq;
+ bss->freq = params->freq.freq;
wpa_printf(MSG_DEBUG, "nl80211: mesh join request send successfully");
fail:
int fd, len;
len = os_snprintf(buf, sizeof(buf), "%u\n", val);
- if (len < 0)
+ if (os_snprintf_error(sizeof(buf), len))
return -1;
fd = open(path, O_WRONLY);
#ifdef CONFIG_TDLS
.send_tdls_mgmt = nl80211_send_tdls_mgmt,
.tdls_oper = nl80211_tdls_oper,
+ .tdls_enable_channel_switch = nl80211_tdls_enable_channel_switch,
+ .tdls_disable_channel_switch = nl80211_tdls_disable_channel_switch,
#endif /* CONFIG_TDLS */
.update_ft_ies = wpa_driver_nl80211_update_ft_ies,
.get_mac_addr = wpa_driver_nl80211_get_macaddr,