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Diffstat (limited to 'net/mac80211/mlme.c')
-rw-r--r--net/mac80211/mlme.c439
1 files changed, 219 insertions, 220 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 04c306308987..a4a5acdbaa4d 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -258,12 +258,11 @@ static int ieee80211_compatible_rates(const u8 *supp_rates, int supp_rates_len,
}
static void ieee80211_add_ht_ie(struct ieee80211_sub_if_data *sdata,
- struct sk_buff *skb, const u8 *ht_oper_ie,
+ struct sk_buff *skb, u8 ap_ht_param,
struct ieee80211_supported_band *sband,
struct ieee80211_channel *channel,
enum ieee80211_smps_mode smps)
{
- struct ieee80211_ht_operation *ht_oper;
u8 *pos;
u32 flags = channel->flags;
u16 cap;
@@ -271,21 +270,13 @@ static void ieee80211_add_ht_ie(struct ieee80211_sub_if_data *sdata,
BUILD_BUG_ON(sizeof(ht_cap) != sizeof(sband->ht_cap));
- if (!ht_oper_ie)
- return;
-
- if (ht_oper_ie[1] < sizeof(struct ieee80211_ht_operation))
- return;
-
memcpy(&ht_cap, &sband->ht_cap, sizeof(ht_cap));
ieee80211_apply_htcap_overrides(sdata, &ht_cap);
- ht_oper = (struct ieee80211_ht_operation *)(ht_oper_ie + 2);
-
/* determine capability flags */
cap = ht_cap.cap;
- switch (ht_oper->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
+ switch (ap_ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
if (flags & IEEE80211_CHAN_NO_HT40PLUS) {
cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
@@ -509,7 +500,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
}
if (!(ifmgd->flags & IEEE80211_STA_DISABLE_11N))
- ieee80211_add_ht_ie(sdata, skb, assoc_data->ht_operation_ie,
+ ieee80211_add_ht_ie(sdata, skb, assoc_data->ap_ht_param,
sband, local->oper_channel, ifmgd->ap_smps);
/* if present, add any custom non-vendor IEs that go after HT */
@@ -550,6 +541,8 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
memcpy(pos, assoc_data->ie + offset, noffset - offset);
}
+ drv_mgd_prepare_tx(local, sdata);
+
IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
ieee80211_tx_skb(sdata, skb);
}
@@ -589,6 +582,9 @@ static void ieee80211_send_deauth_disassoc(struct ieee80211_sub_if_data *sdata,
if (!(ifmgd->flags & IEEE80211_STA_MFP_ENABLED))
IEEE80211_SKB_CB(skb)->flags |=
IEEE80211_TX_INTFL_DONT_ENCRYPT;
+
+ drv_mgd_prepare_tx(local, sdata);
+
ieee80211_tx_skb(sdata, skb);
}
}
@@ -911,9 +907,6 @@ static bool ieee80211_powersave_allowed(struct ieee80211_sub_if_data *sdata)
if (!mgd->associated)
return false;
- if (!mgd->associated->beacon_ies)
- return false;
-
if (mgd->flags & (IEEE80211_STA_BEACON_POLL |
IEEE80211_STA_CONNECTION_POLL))
return false;
@@ -939,11 +932,6 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
return;
}
- if (!list_empty(&local->work_list)) {
- local->ps_sdata = NULL;
- goto change;
- }
-
list_for_each_entry(sdata, &local->interfaces, list) {
if (!ieee80211_sdata_running(sdata))
continue;
@@ -1016,7 +1004,6 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
local->ps_sdata = NULL;
}
- change:
ieee80211_change_ps(local);
}
@@ -1121,7 +1108,7 @@ void ieee80211_dynamic_ps_timer(unsigned long data)
}
/* MLME */
-static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
+static bool ieee80211_sta_wmm_params(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
u8 *wmm_param, size_t wmm_param_len)
{
@@ -1132,23 +1119,23 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
u8 *pos, uapsd_queues = 0;
if (!local->ops->conf_tx)
- return;
+ return false;
if (local->hw.queues < IEEE80211_NUM_ACS)
- return;
+ return false;
if (!wmm_param)
- return;
+ return false;
if (wmm_param_len < 8 || wmm_param[5] /* version */ != 1)
- return;
+ return false;
if (ifmgd->flags & IEEE80211_STA_UAPSD_ENABLED)
uapsd_queues = ifmgd->uapsd_queues;
count = wmm_param[6] & 0x0f;
if (count == ifmgd->wmm_last_param_set)
- return;
+ return false;
ifmgd->wmm_last_param_set = count;
pos = wmm_param + 8;
@@ -1156,7 +1143,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
memset(&params, 0, sizeof(params));
- local->wmm_acm = 0;
+ sdata->wmm_acm = 0;
for (; left >= 4; left -= 4, pos += 4) {
int aci = (pos[0] >> 5) & 0x03;
int acm = (pos[0] >> 4) & 0x01;
@@ -1167,21 +1154,21 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
case 1: /* AC_BK */
queue = 3;
if (acm)
- local->wmm_acm |= BIT(1) | BIT(2); /* BK/- */
+ sdata->wmm_acm |= BIT(1) | BIT(2); /* BK/- */
if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BK)
uapsd = true;
break;
case 2: /* AC_VI */
queue = 1;
if (acm)
- local->wmm_acm |= BIT(4) | BIT(5); /* CL/VI */
+ sdata->wmm_acm |= BIT(4) | BIT(5); /* CL/VI */
if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VI)
uapsd = true;
break;
case 3: /* AC_VO */
queue = 0;
if (acm)
- local->wmm_acm |= BIT(6) | BIT(7); /* VO/NC */
+ sdata->wmm_acm |= BIT(6) | BIT(7); /* VO/NC */
if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_VO)
uapsd = true;
break;
@@ -1189,7 +1176,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
default:
queue = 2;
if (acm)
- local->wmm_acm |= BIT(0) | BIT(3); /* BE/EE */
+ sdata->wmm_acm |= BIT(0) | BIT(3); /* BE/EE */
if (uapsd_queues & IEEE80211_WMM_IE_STA_QOSINFO_AC_BE)
uapsd = true;
break;
@@ -1201,23 +1188,37 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
params.txop = get_unaligned_le16(pos + 2);
params.uapsd = uapsd;
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy,
- "WMM queue=%d aci=%d acm=%d aifs=%d "
- "cWmin=%d cWmax=%d txop=%d uapsd=%d\n",
- queue, aci, acm,
- params.aifs, params.cw_min, params.cw_max,
- params.txop, params.uapsd);
-#endif
+ mlme_dbg(sdata,
+ "WMM queue=%d aci=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d\n",
+ queue, aci, acm,
+ params.aifs, params.cw_min, params.cw_max,
+ params.txop, params.uapsd);
sdata->tx_conf[queue] = params;
if (drv_conf_tx(local, sdata, queue, &params))
- wiphy_debug(local->hw.wiphy,
- "failed to set TX queue parameters for queue %d\n",
- queue);
+ sdata_err(sdata,
+ "failed to set TX queue parameters for queue %d\n",
+ queue);
}
/* enable WMM or activate new settings */
sdata->vif.bss_conf.qos = true;
+ return true;
+}
+
+static void __ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata)
+{
+ lockdep_assert_held(&sdata->local->mtx);
+
+ sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
+ IEEE80211_STA_BEACON_POLL);
+ ieee80211_run_deferred_scan(sdata->local);
+}
+
+static void ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata)
+{
+ mutex_lock(&sdata->local->mtx);
+ __ieee80211_stop_poll(sdata);
+ mutex_unlock(&sdata->local->mtx);
}
static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
@@ -1268,13 +1269,8 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
bss_info_changed |= BSS_CHANGED_ASSOC;
- /* set timing information */
- bss_conf->beacon_int = cbss->beacon_interval;
- bss_conf->last_tsf = cbss->tsf;
-
- bss_info_changed |= BSS_CHANGED_BEACON_INT;
bss_info_changed |= ieee80211_handle_bss_capability(sdata,
- cbss->capability, bss->has_erp_value, bss->erp_value);
+ bss_conf->assoc_capability, bss->has_erp_value, bss->erp_value);
sdata->u.mgd.beacon_timeout = usecs_to_jiffies(ieee80211_tu_to_usec(
IEEE80211_BEACON_LOSS_COUNT * bss_conf->beacon_int));
@@ -1285,8 +1281,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
sdata->u.mgd.flags |= IEEE80211_STA_RESET_SIGNAL_AVE;
/* just to be sure */
- sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
- IEEE80211_STA_BEACON_POLL);
+ ieee80211_stop_poll(sdata);
ieee80211_led_assoc(local, 1);
@@ -1327,7 +1322,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
u32 changed = 0;
- u8 bssid[ETH_ALEN];
ASSERT_MGD_MTX(ifmgd);
@@ -1337,10 +1331,9 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
if (WARN_ON(!ifmgd->associated))
return;
- memcpy(bssid, ifmgd->associated->bssid, ETH_ALEN);
+ ieee80211_stop_poll(sdata);
ifmgd->associated = NULL;
- memset(ifmgd->bssid, 0, ETH_ALEN);
/*
* we need to commit the associated = NULL change because the
@@ -1360,22 +1353,40 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
netif_carrier_off(sdata->dev);
mutex_lock(&local->sta_mtx);
- sta = sta_info_get(sdata, bssid);
+ sta = sta_info_get(sdata, ifmgd->bssid);
if (sta) {
set_sta_flag(sta, WLAN_STA_BLOCK_BA);
ieee80211_sta_tear_down_BA_sessions(sta, tx);
}
mutex_unlock(&local->sta_mtx);
+ /*
+ * if we want to get out of ps before disassoc (why?) we have
+ * to do it before sending disassoc, as otherwise the null-packet
+ * won't be valid.
+ */
+ if (local->hw.conf.flags & IEEE80211_CONF_PS) {
+ local->hw.conf.flags &= ~IEEE80211_CONF_PS;
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
+ }
+ local->ps_sdata = NULL;
+
+ /* flush out any pending frame (e.g. DELBA) before deauth/disassoc */
+ if (tx)
+ drv_flush(local, false);
+
/* deauthenticate/disassociate now */
if (tx || frame_buf)
- ieee80211_send_deauth_disassoc(sdata, bssid, stype, reason,
- tx, frame_buf);
+ ieee80211_send_deauth_disassoc(sdata, ifmgd->bssid, stype,
+ reason, tx, frame_buf);
/* flush out frame */
if (tx)
drv_flush(local, false);
+ /* clear bssid only after building the needed mgmt frames */
+ memset(ifmgd->bssid, 0, ETH_ALEN);
+
/* remove AP and TDLS peers */
sta_info_flush(local, sdata);
@@ -1395,12 +1406,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
del_timer_sync(&local->dynamic_ps_timer);
cancel_work_sync(&local->dynamic_ps_enable_work);
- if (local->hw.conf.flags & IEEE80211_CONF_PS) {
- local->hw.conf.flags &= ~IEEE80211_CONF_PS;
- ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
- }
- local->ps_sdata = NULL;
-
/* Disable ARP filtering */
if (sdata->vif.bss_conf.arp_filter_enabled) {
sdata->vif.bss_conf.arp_filter_enabled = false;
@@ -1425,6 +1430,8 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
del_timer_sync(&sdata->u.mgd.bcn_mon_timer);
del_timer_sync(&sdata->u.mgd.timer);
del_timer_sync(&sdata->u.mgd.chswitch_timer);
+
+ sdata->u.mgd.timers_running = 0;
}
void ieee80211_sta_rx_notify(struct ieee80211_sub_if_data *sdata,
@@ -1456,8 +1463,7 @@ static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata)
return;
}
- ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
- IEEE80211_STA_BEACON_POLL);
+ __ieee80211_stop_poll(sdata);
mutex_lock(&local->iflist_mtx);
ieee80211_recalc_ps(local, -1);
@@ -1477,7 +1483,6 @@ static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata)
round_jiffies_up(jiffies +
IEEE80211_CONNECTION_IDLE_TIME));
out:
- ieee80211_run_deferred_scan(local);
mutex_unlock(&local->mtx);
}
@@ -1567,11 +1572,12 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
goto out;
}
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (beacon)
- net_dbg_ratelimited("%s: detected beacon loss from AP - sending probe request\n",
- sdata->name);
-#endif
+ mlme_dbg_ratelimited(sdata,
+ "detected beacon loss from AP - sending probe request\n");
+
+ ieee80211_cqm_rssi_notify(&sdata->vif,
+ NL80211_CQM_RSSI_BEACON_LOSS_EVENT, GFP_KERNEL);
/*
* The driver/our work has already reported this event or the
@@ -1613,6 +1619,7 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct cfg80211_bss *cbss;
struct sk_buff *skb;
const u8 *ssid;
int ssid_len;
@@ -1622,16 +1629,22 @@ struct sk_buff *ieee80211_ap_probereq_get(struct ieee80211_hw *hw,
ASSERT_MGD_MTX(ifmgd);
- if (!ifmgd->associated)
+ if (ifmgd->associated)
+ cbss = ifmgd->associated;
+ else if (ifmgd->auth_data)
+ cbss = ifmgd->auth_data->bss;
+ else if (ifmgd->assoc_data)
+ cbss = ifmgd->assoc_data->bss;
+ else
return NULL;
- ssid = ieee80211_bss_get_ie(ifmgd->associated, WLAN_EID_SSID);
+ ssid = ieee80211_bss_get_ie(cbss, WLAN_EID_SSID);
if (WARN_ON_ONCE(ssid == NULL))
ssid_len = 0;
else
ssid_len = ssid[1];
- skb = ieee80211_build_probe_req(sdata, ifmgd->associated->bssid,
+ skb = ieee80211_build_probe_req(sdata, cbss->bssid,
(u32) -1, ssid + 2, ssid_len,
NULL, 0, true);
@@ -1654,8 +1667,7 @@ static void __ieee80211_connection_loss(struct ieee80211_sub_if_data *sdata)
memcpy(bssid, ifmgd->associated->bssid, ETH_ALEN);
- printk(KERN_DEBUG "%s: Connection to AP %pM lost.\n",
- sdata->name, bssid);
+ sdata_info(sdata, "Connection to AP %pM lost\n", bssid);
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY,
@@ -1751,6 +1763,7 @@ static void ieee80211_auth_challenge(struct ieee80211_sub_if_data *sdata,
if (!elems.challenge)
return;
auth_data->expected_transaction = 4;
+ drv_mgd_prepare_tx(sdata->local, sdata);
ieee80211_send_auth(sdata, 3, auth_data->algorithm,
elems.challenge - 2, elems.challenge_len + 2,
auth_data->bss->bssid, auth_data->bss->bssid,
@@ -1789,9 +1802,10 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
return RX_MGMT_NONE;
if (status_code != WLAN_STATUS_SUCCESS) {
- printk(KERN_DEBUG "%s: %pM denied authentication (status %d)\n",
- sdata->name, mgmt->sa, status_code);
- goto out;
+ sdata_info(sdata, "%pM denied authentication (status %d)\n",
+ mgmt->sa, status_code);
+ ieee80211_destroy_auth_data(sdata, false);
+ return RX_MGMT_CFG80211_RX_AUTH;
}
switch (ifmgd->auth_data->algorithm) {
@@ -1812,8 +1826,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
return RX_MGMT_NONE;
}
- printk(KERN_DEBUG "%s: authenticated\n", sdata->name);
- out:
+ sdata_info(sdata, "authenticated\n");
ifmgd->auth_data->done = true;
ifmgd->auth_data->timeout = jiffies + IEEE80211_AUTH_WAIT_ASSOC;
run_again(ifmgd, ifmgd->auth_data->timeout);
@@ -1826,8 +1839,7 @@ ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
goto out_err;
}
if (sta_info_move_state(sta, IEEE80211_STA_AUTH)) {
- printk(KERN_DEBUG "%s: failed moving %pM to auth\n",
- sdata->name, bssid);
+ sdata_info(sdata, "failed moving %pM to auth\n", bssid);
goto out_err;
}
mutex_unlock(&sdata->local->sta_mtx);
@@ -1861,8 +1873,8 @@ ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
- printk(KERN_DEBUG "%s: deauthenticated from %pM (Reason: %u)\n",
- sdata->name, bssid, reason_code);
+ sdata_info(sdata, "deauthenticated from %pM (Reason: %u)\n",
+ bssid, reason_code);
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
@@ -1892,8 +1904,8 @@ ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
- printk(KERN_DEBUG "%s: disassociated from %pM (Reason: %u)\n",
- sdata->name, mgmt->sa, reason_code);
+ sdata_info(sdata, "disassociated from %pM (Reason: %u)\n",
+ mgmt->sa, reason_code);
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
@@ -1985,17 +1997,15 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info);
if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14)))
- printk(KERN_DEBUG
- "%s: invalid AID value 0x%x; bits 15:14 not set\n",
- sdata->name, aid);
+ sdata_info(sdata, "invalid AID value 0x%x; bits 15:14 not set\n",
+ aid);
aid &= ~(BIT(15) | BIT(14));
ifmgd->broken_ap = false;
if (aid == 0 || aid > IEEE80211_MAX_AID) {
- printk(KERN_DEBUG
- "%s: invalid AID value %d (out of range), turn off PS\n",
- sdata->name, aid);
+ sdata_info(sdata, "invalid AID value %d (out of range), turn off PS\n",
+ aid);
aid = 0;
ifmgd->broken_ap = true;
}
@@ -2004,8 +2014,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
if (!elems.supp_rates) {
- printk(KERN_DEBUG "%s: no SuppRates element in AssocResp\n",
- sdata->name);
+ sdata_info(sdata, "no SuppRates element in AssocResp\n");
return false;
}
@@ -2045,9 +2054,9 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
if (!err && !(ifmgd->flags & IEEE80211_STA_CONTROL_PORT))
err = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
if (err) {
- printk(KERN_DEBUG
- "%s: failed to move station %pM to desired state\n",
- sdata->name, sta->sta.addr);
+ sdata_info(sdata,
+ "failed to move station %pM to desired state\n",
+ sta->sta.addr);
WARN_ON(__sta_info_destroy(sta));
mutex_unlock(&sdata->local->sta_mtx);
return false;
@@ -2130,10 +2139,10 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
aid = le16_to_cpu(mgmt->u.assoc_resp.aid);
- printk(KERN_DEBUG "%s: RX %sssocResp from %pM (capab=0x%x "
- "status=%d aid=%d)\n",
- sdata->name, reassoc ? "Rea" : "A", mgmt->sa,
- capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
+ sdata_info(sdata,
+ "RX %sssocResp from %pM (capab=0x%x status=%d aid=%d)\n",
+ reassoc ? "Rea" : "A", mgmt->sa,
+ capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
pos = mgmt->u.assoc_resp.variable;
ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
@@ -2144,9 +2153,9 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
u32 tu, ms;
tu = get_unaligned_le32(elems.timeout_int + 1);
ms = tu * 1024 / 1000;
- printk(KERN_DEBUG "%s: %pM rejected association temporarily; "
- "comeback duration %u TU (%u ms)\n",
- sdata->name, mgmt->sa, tu, ms);
+ sdata_info(sdata,
+ "%pM rejected association temporarily; comeback duration %u TU (%u ms)\n",
+ mgmt->sa, tu, ms);
assoc_data->timeout = jiffies + msecs_to_jiffies(ms);
if (ms > IEEE80211_ASSOC_TIMEOUT)
run_again(ifmgd, assoc_data->timeout);
@@ -2156,19 +2165,17 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
*bss = assoc_data->bss;
if (status_code != WLAN_STATUS_SUCCESS) {
- printk(KERN_DEBUG "%s: %pM denied association (code=%d)\n",
- sdata->name, mgmt->sa, status_code);
+ sdata_info(sdata, "%pM denied association (code=%d)\n",
+ mgmt->sa, status_code);
ieee80211_destroy_assoc_data(sdata, false);
} else {
- printk(KERN_DEBUG "%s: associated\n", sdata->name);
-
if (!ieee80211_assoc_success(sdata, *bss, mgmt, len)) {
/* oops -- internal error -- send timeout for now */
- ieee80211_destroy_assoc_data(sdata, true);
- sta_info_destroy_addr(sdata, mgmt->bssid);
+ ieee80211_destroy_assoc_data(sdata, false);
cfg80211_put_bss(*bss);
return RX_MGMT_CFG80211_ASSOC_TIMEOUT;
}
+ sdata_info(sdata, "associated\n");
/*
* destroy assoc_data afterwards, as otherwise an idle
@@ -2268,7 +2275,7 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *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 */
- printk(KERN_DEBUG "%s: direct probe responded\n", sdata->name);
+ sdata_info(sdata, "direct probe responded\n");
ifmgd->auth_data->tries = 0;
ifmgd->auth_data->timeout = jiffies;
run_again(ifmgd, ifmgd->auth_data->timeout);
@@ -2404,11 +2411,13 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
}
if (ifmgd->flags & IEEE80211_STA_BEACON_POLL) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- net_dbg_ratelimited("%s: cancelling probereq poll due to a received beacon\n",
- sdata->name);
-#endif
+ mlme_dbg_ratelimited(sdata,
+ "cancelling probereq poll due to a received beacon\n");
+ mutex_lock(&local->mtx);
ifmgd->flags &= ~IEEE80211_STA_BEACON_POLL;
+ ieee80211_run_deferred_scan(local);
+ mutex_unlock(&local->mtx);
+
mutex_lock(&local->iflist_mtx);
ieee80211_recalc_ps(local, -1);
mutex_unlock(&local->iflist_mtx);
@@ -2429,14 +2438,6 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
directed_tim = ieee80211_check_tim(elems.tim, elems.tim_len,
ifmgd->aid);
- if (ncrc != ifmgd->beacon_crc || !ifmgd->beacon_crc_valid) {
- ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems,
- true);
-
- ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
- elems.wmm_param_len);
- }
-
if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
if (directed_tim) {
if (local->hw.conf.dynamic_ps_timeout > 0) {
@@ -2467,6 +2468,13 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ifmgd->beacon_crc = ncrc;
ifmgd->beacon_crc_valid = true;
+ ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems,
+ true);
+
+ if (ieee80211_sta_wmm_params(local, sdata, elems.wmm_param,
+ elems.wmm_param_len))
+ changed |= BSS_CHANGED_QOS;
+
if (elems.erp_info && elems.erp_info_len >= 1) {
erp_valid = true;
erp_value = elems.erp_info[0];
@@ -2595,9 +2603,6 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
u8 frame_buf[DEAUTH_DISASSOC_LEN];
- ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL |
- IEEE80211_STA_BEACON_POLL);
-
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, reason,
false, frame_buf);
mutex_unlock(&ifmgd->mtx);
@@ -2629,8 +2634,8 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
auth_data->tries++;
if (auth_data->tries > IEEE80211_AUTH_MAX_TRIES) {
- printk(KERN_DEBUG "%s: authentication with %pM timed out\n",
- sdata->name, auth_data->bss->bssid);
+ sdata_info(sdata, "authentication with %pM timed out\n",
+ auth_data->bss->bssid);
/*
* Most likely AP is not in the range so remove the
@@ -2641,10 +2646,12 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
return -ETIMEDOUT;
}
+ drv_mgd_prepare_tx(local, sdata);
+
if (auth_data->bss->proberesp_ies) {
- printk(KERN_DEBUG "%s: send auth to %pM (try %d/%d)\n",
- sdata->name, 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;
ieee80211_send_auth(sdata, 1, auth_data->algorithm,
@@ -2654,9 +2661,9 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
} else {
const u8 *ssidie;
- printk(KERN_DEBUG "%s: direct probe to %pM (try %d/%i)\n",
- sdata->name, auth_data->bss->bssid, auth_data->tries,
- IEEE80211_AUTH_MAX_TRIES);
+ sdata_info(sdata, "direct probe to %pM (try %d/%i)\n",
+ auth_data->bss->bssid, auth_data->tries,
+ IEEE80211_AUTH_MAX_TRIES);
ssidie = ieee80211_bss_get_ie(auth_data->bss, WLAN_EID_SSID);
if (!ssidie)
@@ -2684,8 +2691,8 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata)
assoc_data->tries++;
if (assoc_data->tries > IEEE80211_ASSOC_MAX_TRIES) {
- printk(KERN_DEBUG "%s: association with %pM timed out\n",
- sdata->name, assoc_data->bss->bssid);
+ sdata_info(sdata, "association with %pM timed out\n",
+ assoc_data->bss->bssid);
/*
* Most likely AP is not in the range so remove the
@@ -2696,9 +2703,9 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata)
return -ETIMEDOUT;
}
- printk(KERN_DEBUG "%s: associate with %pM (try %d/%d)\n",
- sdata->name, assoc_data->bss->bssid, assoc_data->tries,
- IEEE80211_ASSOC_MAX_TRIES);
+ sdata_info(sdata, "associate with %pM (try %d/%d)\n",
+ assoc_data->bss->bssid, assoc_data->tries,
+ IEEE80211_ASSOC_MAX_TRIES);
ieee80211_send_assoc(sdata);
assoc_data->timeout = jiffies + IEEE80211_ASSOC_TIMEOUT;
@@ -2771,45 +2778,31 @@ void ieee80211_sta_work(struct ieee80211_sub_if_data *sdata)
ieee80211_reset_ap_probe(sdata);
else if (ifmgd->nullfunc_failed) {
if (ifmgd->probe_send_count < max_tries) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy,
- "%s: No ack for nullfunc frame to"
- " AP %pM, try %d/%i\n",
- sdata->name, bssid,
- ifmgd->probe_send_count, max_tries);
-#endif
+ mlme_dbg(sdata,
+ "No ack for nullfunc frame to AP %pM, try %d/%i\n",
+ bssid, ifmgd->probe_send_count,
+ max_tries);
ieee80211_mgd_probe_ap_send(sdata);
} else {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy,
- "%s: No ack for nullfunc frame to"
- " AP %pM, disconnecting.\n",
- sdata->name, bssid);
-#endif
+ mlme_dbg(sdata,
+ "No ack for nullfunc frame to AP %pM, disconnecting.\n",
+ bssid);
ieee80211_sta_connection_lost(sdata, bssid,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
}
} else if (time_is_after_jiffies(ifmgd->probe_timeout))
run_again(ifmgd, ifmgd->probe_timeout);
else if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy,
- "%s: Failed to send nullfunc to AP %pM"
- " after %dms, disconnecting.\n",
- sdata->name,
- bssid, probe_wait_ms);
-#endif
+ mlme_dbg(sdata,
+ "Failed to send nullfunc to AP %pM after %dms, disconnecting\n",
+ bssid, probe_wait_ms);
ieee80211_sta_connection_lost(sdata, bssid,
WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY);
} else if (ifmgd->probe_send_count < max_tries) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(local->hw.wiphy,
- "%s: No probe response from AP %pM"
- " after %dms, try %d/%i\n",
- sdata->name,
- bssid, probe_wait_ms,
- ifmgd->probe_send_count, max_tries);
-#endif
+ mlme_dbg(sdata,
+ "No probe response from AP %pM after %dms, try %d/%i\n",
+ bssid, probe_wait_ms,
+ ifmgd->probe_send_count, max_tries);
ieee80211_mgd_probe_ap_send(sdata);
} else {
/*
@@ -2874,8 +2867,7 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
u32 flags;
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- sdata->u.mgd.flags &= ~(IEEE80211_STA_BEACON_POLL |
- IEEE80211_STA_CONNECTION_POLL);
+ __ieee80211_stop_poll(sdata);
/* let's probe the connection once */
flags = sdata->local->hw.flags;
@@ -2925,11 +2917,8 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_RESUME;
mutex_lock(&ifmgd->mtx);
if (ifmgd->associated) {
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- wiphy_debug(sdata->local->hw.wiphy,
- "%s: driver requested disconnect after resume.\n",
- sdata->name);
-#endif
+ mlme_dbg(sdata,
+ "driver requested disconnect after resume\n");
ieee80211_sta_connection_lost(sdata,
ifmgd->associated->bssid,
WLAN_REASON_UNSPECIFIED);
@@ -2944,7 +2933,10 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata)
if (test_and_clear_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running))
add_timer(&ifmgd->chswitch_timer);
ieee80211_sta_reset_beacon_monitor(sdata);
+
+ mutex_lock(&sdata->local->mtx);
ieee80211_restart_sta_timer(sdata);
+ mutex_unlock(&sdata->local->mtx);
}
#endif
@@ -2984,7 +2976,7 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata)
/* scan finished notification */
void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
{
- struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+ struct ieee80211_sub_if_data *sdata;
/* Restart STA timers */
rcu_read_lock();
@@ -3014,7 +3006,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_bss *bss = (void *)cbss->priv;
- struct sta_info *sta;
+ struct sta_info *sta = NULL;
bool have_sta = false;
int err;
int ht_cfreq;
@@ -3067,13 +3059,11 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
* since we look at probe response/beacon data here
* it should be OK.
*/
- printk(KERN_DEBUG
- "%s: Wrong control channel: center-freq: %d"
- " ht-cfreq: %d ht->primary_chan: %d"
- " band: %d. Disabling HT.\n",
- sdata->name, cbss->channel->center_freq,
- ht_cfreq, ht_oper->primary_chan,
- cbss->channel->band);
+ sdata_info(sdata,
+ "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n",
+ cbss->channel->center_freq,
+ ht_cfreq, ht_oper->primary_chan,
+ cbss->channel->band);
ht_oper = NULL;
}
}
@@ -3097,18 +3087,17 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
if (!ieee80211_set_channel_type(local, sdata, channel_type)) {
/* can only fail due to HT40+/- mismatch */
channel_type = NL80211_CHAN_HT20;
- printk(KERN_DEBUG
- "%s: disabling 40 MHz due to multi-vif mismatch\n",
- sdata->name);
+ sdata_info(sdata,
+ "disabling 40 MHz due to multi-vif mismatch\n");
ifmgd->flags |= IEEE80211_STA_DISABLE_40MHZ;
WARN_ON(!ieee80211_set_channel_type(local, sdata,
channel_type));
}
local->oper_channel = cbss->channel;
- ieee80211_hw_config(local, 0);
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
- if (!have_sta) {
+ if (sta) {
u32 rates = 0, basic_rates = 0;
bool have_higher_than_11mbit;
int min_rate = INT_MAX, min_rate_index = -1;
@@ -3128,9 +3117,8 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
* we can connect -- with a warning.
*/
if (!basic_rates && min_rate_index >= 0) {
- printk(KERN_DEBUG
- "%s: No basic rates, using min rate instead.\n",
- sdata->name);
+ sdata_info(sdata,
+ "No basic rates, using min rate instead\n");
basic_rates = BIT(min_rate_index);
}
@@ -3146,9 +3134,15 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
memcpy(ifmgd->bssid, cbss->bssid, ETH_ALEN);
- /* tell driver about BSSID and basic rates */
+ /* set timing information */
+ sdata->vif.bss_conf.beacon_int = cbss->beacon_interval;
+ sdata->vif.bss_conf.sync_tsf = cbss->tsf;
+ sdata->vif.bss_conf.sync_device_ts = bss->device_ts;
+
+ /* tell driver about BSSID, basic rates and timing */
ieee80211_bss_info_change_notify(sdata,
- BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES);
+ BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES |
+ BSS_CHANGED_BEACON_INT);
if (assoc)
sta_info_pre_move_state(sta, IEEE80211_STA_AUTH);
@@ -3156,9 +3150,9 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
err = sta_info_insert(sta);
sta = NULL;
if (err) {
- printk(KERN_DEBUG
- "%s: failed to insert STA entry for the AP (error %d)\n",
- sdata->name, err);
+ sdata_info(sdata,
+ "failed to insert STA entry for the AP (error %d)\n",
+ err);
return err;
}
} else
@@ -3236,8 +3230,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
if (ifmgd->associated)
ieee80211_set_disassoc(sdata, 0, 0, false, NULL);
- printk(KERN_DEBUG "%s: authenticate with %pM\n",
- sdata->name, req->bss->bssid);
+ sdata_info(sdata, "authenticate with %pM\n", req->bss->bssid);
err = ieee80211_prep_connection(sdata, req->bss, false);
if (err)
@@ -3272,7 +3265,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_bss *bss = (void *)req->bss->priv;
struct ieee80211_mgd_assoc_data *assoc_data;
struct ieee80211_supported_band *sband;
- const u8 *ssidie;
+ const u8 *ssidie, *ht_ie;
int i, err;
ssidie = ieee80211_bss_get_ie(req->bss, WLAN_EID_SSID);
@@ -3320,11 +3313,15 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
* We can set this to true for non-11n hardware, that'll be checked
* separately along with the peer capabilities.
*/
- for (i = 0; i < req->crypto.n_ciphers_pairwise; i++)
+ for (i = 0; i < req->crypto.n_ciphers_pairwise; i++) {
if (req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP40 ||
req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP ||
- req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104)
+ req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104) {
ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+ netdev_info(sdata->dev,
+ "disabling HT due to WEP/TKIP use\n");
+ }
+ }
if (req->flags & ASSOC_REQ_DISABLE_HT)
ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
@@ -3332,8 +3329,11 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
/* Also disable HT if we don't support it or the AP doesn't use WMM */
sband = local->hw.wiphy->bands[req->bss->channel->band];
if (!sband->ht_cap.ht_supported ||
- local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used)
+ local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) {
ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
+ netdev_info(sdata->dev,
+ "disabling HT as WMM/QoS is not supported\n");
+ }
memcpy(&ifmgd->ht_capa, &req->ht_capa, sizeof(ifmgd->ht_capa));
memcpy(&ifmgd->ht_capa_mask, &req->ht_capa_mask,
@@ -3359,8 +3359,13 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
(local->hw.queues >= IEEE80211_NUM_ACS);
assoc_data->supp_rates = bss->supp_rates;
assoc_data->supp_rates_len = bss->supp_rates_len;
- assoc_data->ht_operation_ie =
- ieee80211_bss_get_ie(req->bss, WLAN_EID_HT_OPERATION);
+
+ ht_ie = ieee80211_bss_get_ie(req->bss, WLAN_EID_HT_OPERATION);
+ if (ht_ie && ht_ie[1] >= sizeof(struct ieee80211_ht_operation))
+ assoc_data->ap_ht_param =
+ ((struct ieee80211_ht_operation *)(ht_ie + 2))->ht_param;
+ else
+ ifmgd->flags |= IEEE80211_STA_DISABLE_11N;
if (bss->wmm_used && bss->uapsd_supported &&
(sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_UAPSD)) {
@@ -3407,8 +3412,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
* Wait up to one beacon interval ...
* should this be more if we miss one?
*/
- printk(KERN_DEBUG "%s: waiting for beacon from %pM\n",
- sdata->name, ifmgd->bssid);
+ sdata_info(sdata, "waiting for beacon from %pM\n",
+ ifmgd->bssid);
assoc_data->timeout = TU_TO_EXP_TIME(req->bss->beacon_interval);
} else {
assoc_data->have_beacon = true;
@@ -3427,8 +3432,8 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
corrupt_type = "beacon";
} else if (bss->corrupt_data & IEEE80211_BSS_CORRUPT_PROBE_RESP)
corrupt_type = "probe response";
- printk(KERN_DEBUG "%s: associating with AP with corrupt %s\n",
- sdata->name, corrupt_type);
+ sdata_info(sdata, "associating with AP with corrupt %s\n",
+ corrupt_type);
}
err = 0;
@@ -3457,9 +3462,9 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
return 0;
}
- printk(KERN_DEBUG
- "%s: deauthenticating from %pM by local choice (reason=%d)\n",
- sdata->name, req->bssid, req->reason_code);
+ sdata_info(sdata,
+ "deauthenticating from %pM by local choice (reason=%d)\n",
+ req->bssid, req->reason_code);
if (ifmgd->associated &&
ether_addr_equal(ifmgd->associated->bssid, req->bssid))
@@ -3501,8 +3506,9 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
return -ENOLINK;
}
- printk(KERN_DEBUG "%s: disassociating from %pM by local choice (reason=%d)\n",
- sdata->name, req->bss->bssid, req->reason_code);
+ sdata_info(sdata,
+ "disassociating from %pM by local choice (reason=%d)\n",
+ req->bss->bssid, req->reason_code);
memcpy(bssid, req->bss->bssid, ETH_ALEN);
ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DISASSOC,
@@ -3543,10 +3549,3 @@ void ieee80211_cqm_rssi_notify(struct ieee80211_vif *vif,
cfg80211_cqm_rssi_notify(sdata->dev, rssi_event, gfp);
}
EXPORT_SYMBOL(ieee80211_cqm_rssi_notify);
-
-unsigned char ieee80211_get_operstate(struct ieee80211_vif *vif)
-{
- struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
- return sdata->dev->operstate;
-}
-EXPORT_SYMBOL(ieee80211_get_operstate);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.