"Maximum time(ms) to wait for probe response"
" before disconnecting (reason 4).");
-/*
- * Weight given to the latest Beacon frame when calculating average signal
- * strength for Beacon frames received in the current BSS. This must be
- * between 1 and 15.
- */
-#define IEEE80211_SIGNAL_AVE_WEIGHT 3
-
/*
* How many Beacon frames need to have been used in average signal strength
* before starting to indicate signal change events.
void ieee80211_send_nullfunc(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
- int powersave)
+ bool powersave)
{
struct sk_buff *skb;
struct ieee80211_hdr_3addr *nullfunc;
msecs_to_jiffies(conf->dynamic_ps_timeout));
} else {
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK))
- ieee80211_send_nullfunc(local, sdata, 1);
+ ieee80211_send_nullfunc(local, sdata, true);
if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
msecs_to_jiffies(
local->hw.conf.dynamic_ps_timeout));
} else {
- ieee80211_send_nullfunc(local, sdata, 1);
+ ieee80211_send_nullfunc(local, sdata, true);
/* Flush to get the tx status of nullfunc frame */
ieee80211_flush_queues(local, sdata, false);
}
if (ieee80211_hw_check(&sdata->local->hw, REPORTS_TX_ACK_STATUS)) {
ifmgd->nullfunc_failed = false;
- ieee80211_send_nullfunc(sdata->local, sdata, 0);
+ ieee80211_send_nullfunc(sdata->local, sdata, false);
} else {
int ssid_len;
if (ifmgd->associated &&
ether_addr_equal(mgmt->bssid, ifmgd->associated->bssid))
ieee80211_reset_ap_probe(sdata);
-
- if (ifmgd->auth_data && !ifmgd->auth_data->bss->proberesp_ies &&
- ether_addr_equal(mgmt->bssid, ifmgd->auth_data->bss->bssid)) {
- /* got probe response, continue with auth */
- sdata_info(sdata, "direct probe responded\n");
- ifmgd->auth_data->tries = 0;
- ifmgd->auth_data->timeout = jiffies;
- ifmgd->auth_data->timeout_started = true;
- run_again(sdata, ifmgd->auth_data->timeout);
- }
}
/*
bssid = ifmgd->associated->bssid;
/* Track average RSSI from the Beacon frames of the current AP */
- ifmgd->last_beacon_signal = rx_status->signal;
if (ifmgd->flags & IEEE80211_STA_RESET_SIGNAL_AVE) {
ifmgd->flags &= ~IEEE80211_STA_RESET_SIGNAL_AVE;
- ifmgd->ave_beacon_signal = rx_status->signal * 16;
+ ewma_beacon_signal_init(&ifmgd->ave_beacon_signal);
ifmgd->last_cqm_event_signal = 0;
ifmgd->count_beacon_signal = 1;
ifmgd->last_ave_beacon_signal = 0;
} else {
- ifmgd->ave_beacon_signal =
- (IEEE80211_SIGNAL_AVE_WEIGHT * rx_status->signal * 16 +
- (16 - IEEE80211_SIGNAL_AVE_WEIGHT) *
- ifmgd->ave_beacon_signal) / 16;
ifmgd->count_beacon_signal++;
}
+ ewma_beacon_signal_add(&ifmgd->ave_beacon_signal, -rx_status->signal);
+
if (ifmgd->rssi_min_thold != ifmgd->rssi_max_thold &&
ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) {
- int sig = ifmgd->ave_beacon_signal;
+ int sig = -ewma_beacon_signal_read(&ifmgd->ave_beacon_signal);
int last_sig = ifmgd->last_ave_beacon_signal;
struct ieee80211_event event = {
.type = RSSI_EVENT,
if (bss_conf->cqm_rssi_thold &&
ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT &&
!(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) {
- int sig = ifmgd->ave_beacon_signal / 16;
+ int sig = -ewma_beacon_signal_read(&ifmgd->ave_beacon_signal);
int last_event = ifmgd->last_cqm_event_signal;
int thold = bss_conf->cqm_rssi_thold;
int hyst = bss_conf->cqm_rssi_hyst;
+
if (sig < thold &&
(last_event == 0 || sig < last_event - hyst)) {
ifmgd->last_cqm_event_signal = sig;
len - baselen, false, &elems,
care_about_ies, ncrc);
- if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK)) {
- bool directed_tim = ieee80211_check_tim(elems.tim,
- elems.tim_len,
- ifmgd->aid);
- if (directed_tim) {
- if (local->hw.conf.dynamic_ps_timeout > 0) {
- if (local->hw.conf.flags & IEEE80211_CONF_PS) {
- local->hw.conf.flags &= ~IEEE80211_CONF_PS;
- ieee80211_hw_config(local,
- IEEE80211_CONF_CHANGE_PS);
- }
- ieee80211_send_nullfunc(local, sdata, 0);
- } else if (!local->pspolling && sdata->u.mgd.powersave) {
- local->pspolling = true;
-
- /*
- * Here is assumed that the driver will be
- * able to send ps-poll frame and receive a
- * response even though power save mode is
- * enabled, but some drivers might require
- * to disable power save here. This needs
- * to be investigated.
- */
- ieee80211_send_pspoll(local, sdata);
+ if (ieee80211_hw_check(&local->hw, PS_NULLFUNC_STACK) &&
+ ieee80211_check_tim(elems.tim, elems.tim_len, ifmgd->aid)) {
+ if (local->hw.conf.dynamic_ps_timeout > 0) {
+ if (local->hw.conf.flags & IEEE80211_CONF_PS) {
+ local->hw.conf.flags &= ~IEEE80211_CONF_PS;
+ ieee80211_hw_config(local,
+ IEEE80211_CONF_CHANGE_PS);
}
+ ieee80211_send_nullfunc(local, sdata, false);
+ } else if (!local->pspolling && sdata->u.mgd.powersave) {
+ local->pspolling = true;
+
+ /*
+ * Here is assumed that the driver will be
+ * able to send ps-poll frame and receive a
+ * response even though power save mode is
+ * enabled, but some drivers might require
+ * to disable power save here. This needs
+ * to be investigated.
+ */
+ ieee80211_send_pspoll(local, sdata);
}
}
reason);
}
-static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
+static int ieee80211_auth(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_mgd_auth_data *auth_data = ifmgd->auth_data;
u32 tx_flags = 0;
+ u16 trans = 1;
+ u16 status = 0;
sdata_assert_lock(sdata);
drv_mgd_prepare_tx(local, sdata);
- if (auth_data->bss->proberesp_ies) {
- u16 trans = 1;
- u16 status = 0;
-
- sdata_info(sdata, "send auth to %pM (try %d/%d)\n",
- auth_data->bss->bssid, auth_data->tries,
- IEEE80211_AUTH_MAX_TRIES);
+ sdata_info(sdata, "send auth to %pM (try %d/%d)\n",
+ auth_data->bss->bssid, auth_data->tries,
+ IEEE80211_AUTH_MAX_TRIES);
- auth_data->expected_transaction = 2;
+ auth_data->expected_transaction = 2;
- if (auth_data->algorithm == WLAN_AUTH_SAE) {
- trans = auth_data->sae_trans;
- status = auth_data->sae_status;
- auth_data->expected_transaction = trans;
- }
-
- if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
- tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
- IEEE80211_TX_INTFL_MLME_CONN_TX;
-
- ieee80211_send_auth(sdata, trans, auth_data->algorithm, status,
- auth_data->data, auth_data->data_len,
- auth_data->bss->bssid,
- auth_data->bss->bssid, NULL, 0, 0,
- tx_flags);
- } else {
- const u8 *ssidie;
+ if (auth_data->algorithm == WLAN_AUTH_SAE) {
+ trans = auth_data->sae_trans;
+ status = auth_data->sae_status;
+ auth_data->expected_transaction = trans;
+ }
- sdata_info(sdata, "direct probe to %pM (try %d/%i)\n",
- auth_data->bss->bssid, auth_data->tries,
- IEEE80211_AUTH_MAX_TRIES);
+ if (ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS))
+ tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS |
+ IEEE80211_TX_INTFL_MLME_CONN_TX;
- rcu_read_lock();
- ssidie = ieee80211_bss_get_ie(auth_data->bss, WLAN_EID_SSID);
- if (!ssidie) {
- rcu_read_unlock();
- return -EINVAL;
- }
- /*
- * Direct probe is sent to broadcast address as some APs
- * will not answer to direct packet in unassociated state.
- */
- ieee80211_send_probe_req(sdata, sdata->vif.addr, NULL,
- ssidie + 2, ssidie[1],
- NULL, 0, (u32) -1, true, 0,
- auth_data->bss->channel, false);
- rcu_read_unlock();
- }
+ ieee80211_send_auth(sdata, trans, auth_data->algorithm, status,
+ auth_data->data, auth_data->data_len,
+ auth_data->bss->bssid,
+ auth_data->bss->bssid, NULL, 0, 0,
+ tx_flags);
if (tx_flags == 0) {
auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
bool status_acked = ifmgd->status_acked;
ifmgd->status_received = false;
- if (ifmgd->auth_data &&
- (ieee80211_is_probe_req(fc) || ieee80211_is_auth(fc))) {
+ if (ifmgd->auth_data && ieee80211_is_auth(fc)) {
if (status_acked) {
ifmgd->auth_data->timeout =
jiffies + IEEE80211_AUTH_TIMEOUT_SHORT;
* so let's just kill the auth data
*/
ieee80211_destroy_auth_data(sdata, false);
- } else if (ieee80211_probe_auth(sdata)) {
+ } else if (ieee80211_auth(sdata)) {
u8 bssid[ETH_ALEN];
struct ieee80211_event event = {
.type = MLME_EVENT,
if (err)
goto err_clear;
- err = ieee80211_probe_auth(sdata);
+ err = ieee80211_auth(sdata);
if (err) {
sta_info_destroy_addr(sdata, req->bss->bssid);
goto err_clear;
projects / mirror_ubuntu-zesty-kernel.git / blobdiff