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-rw-r--r--net/mac80211/mlme.c502
1 files changed, 251 insertions, 251 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 14d165f0df7..b2099306def 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -236,7 +236,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *pos, *ies, *ht_add_ie;
+ u8 *pos, *ies, *ht_ie;
int i, len, count, rates_len, supp_rates_len;
u16 capab;
struct ieee80211_bss *bss;
@@ -393,24 +393,25 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
/* wmm support is a must to HT */
if (wmm && (ifsta->flags & IEEE80211_STA_WMM_ENABLED) &&
- sband->ht_info.ht_supported &&
- (ht_add_ie = ieee80211_bss_get_ie(bss, WLAN_EID_HT_EXTRA_INFO))) {
- struct ieee80211_ht_addt_info *ht_add_info =
- (struct ieee80211_ht_addt_info *)ht_add_ie;
- u16 cap = sband->ht_info.cap;
+ sband->ht_cap.ht_supported &&
+ (ht_ie = ieee80211_bss_get_ie(bss, WLAN_EID_HT_INFORMATION)) &&
+ ht_ie[1] >= sizeof(struct ieee80211_ht_info)) {
+ struct ieee80211_ht_info *ht_info =
+ (struct ieee80211_ht_info *)(ht_ie + 2);
+ u16 cap = sband->ht_cap.cap;
__le16 tmp;
u32 flags = local->hw.conf.channel->flags;
- switch (ht_add_info->ht_param & IEEE80211_HT_IE_CHA_SEC_OFFSET) {
- case IEEE80211_HT_IE_CHA_SEC_ABOVE:
+ switch (ht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
+ case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
if (flags & IEEE80211_CHAN_NO_FAT_ABOVE) {
- cap &= ~IEEE80211_HT_CAP_SUP_WIDTH;
+ cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
cap &= ~IEEE80211_HT_CAP_SGI_40;
}
break;
- case IEEE80211_HT_IE_CHA_SEC_BELOW:
+ case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
if (flags & IEEE80211_CHAN_NO_FAT_BELOW) {
- cap &= ~IEEE80211_HT_CAP_SUP_WIDTH;
+ cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
cap &= ~IEEE80211_HT_CAP_SGI_40;
}
break;
@@ -424,9 +425,9 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
memcpy(pos, &tmp, sizeof(u16));
pos += sizeof(u16);
/* TODO: needs a define here for << 2 */
- *pos++ = sband->ht_info.ampdu_factor |
- (sband->ht_info.ampdu_density << 2);
- memcpy(pos, sband->ht_info.supp_mcs_set, 16);
+ *pos++ = sband->ht_cap.ampdu_factor |
+ (sband->ht_cap.ampdu_density << 2);
+ memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
}
kfree(ifsta->assocreq_ies);
@@ -568,25 +569,35 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
}
}
-static u32 ieee80211_handle_protect_preamb(struct ieee80211_sub_if_data *sdata,
- bool use_protection,
- bool use_short_preamble)
+static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
+ u16 capab, bool erp_valid, u8 erp)
{
- struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+ struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- DECLARE_MAC_BUF(mac);
#endif
u32 changed = 0;
+ bool use_protection;
+ bool use_short_preamble;
+ bool use_short_slot;
+
+ if (erp_valid) {
+ use_protection = (erp & WLAN_ERP_USE_PROTECTION) != 0;
+ use_short_preamble = (erp & WLAN_ERP_BARKER_PREAMBLE) == 0;
+ } else {
+ use_protection = false;
+ use_short_preamble = !!(capab & WLAN_CAPABILITY_SHORT_PREAMBLE);
+ }
+
+ use_short_slot = !!(capab & WLAN_CAPABILITY_SHORT_SLOT_TIME);
if (use_protection != bss_conf->use_cts_prot) {
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (net_ratelimit()) {
- printk(KERN_DEBUG "%s: CTS protection %s (BSSID="
- "%s)\n",
+ printk(KERN_DEBUG "%s: CTS protection %s (BSSID=%pM)\n",
sdata->dev->name,
use_protection ? "enabled" : "disabled",
- print_mac(mac, ifsta->bssid));
+ ifsta->bssid);
}
#endif
bss_conf->use_cts_prot = use_protection;
@@ -597,40 +608,28 @@ static u32 ieee80211_handle_protect_preamb(struct ieee80211_sub_if_data *sdata,
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: switched to %s barker preamble"
- " (BSSID=%s)\n",
+ " (BSSID=%pM)\n",
sdata->dev->name,
use_short_preamble ? "short" : "long",
- print_mac(mac, ifsta->bssid));
+ ifsta->bssid);
}
#endif
bss_conf->use_short_preamble = use_short_preamble;
changed |= BSS_CHANGED_ERP_PREAMBLE;
}
- return changed;
-}
-
-static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
- u8 erp_value)
-{
- bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
- bool use_short_preamble = (erp_value & WLAN_ERP_BARKER_PREAMBLE) == 0;
-
- return ieee80211_handle_protect_preamb(sdata,
- use_protection, use_short_preamble);
-}
-
-static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_bss *bss)
-{
- u32 changed = 0;
-
- if (bss->has_erp_value)
- changed |= ieee80211_handle_erp_ie(sdata, bss->erp_value);
- else {
- u16 capab = bss->capability;
- changed |= ieee80211_handle_protect_preamb(sdata, false,
- (capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
+ if (use_short_slot != bss_conf->use_short_slot) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ if (net_ratelimit()) {
+ printk(KERN_DEBUG "%s: switched to %s slot"
+ " (BSSID=%s)\n",
+ sdata->dev->name,
+ use_short_slot ? "short" : "long",
+ ifsta->bssid);
+ }
+#endif
+ bss_conf->use_short_slot = use_short_slot;
+ changed |= BSS_CHANGED_ERP_SLOT;
}
return changed;
@@ -701,14 +700,15 @@ static void ieee80211_sta_send_associnfo(struct ieee80211_sub_if_data *sdata,
static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
- struct ieee80211_if_sta *ifsta)
+ struct ieee80211_if_sta *ifsta,
+ u32 bss_info_changed)
{
struct ieee80211_local *local = sdata->local;
struct ieee80211_conf *conf = &local_to_hw(local)->conf;
- u32 changed = BSS_CHANGED_ASSOC;
struct ieee80211_bss *bss;
+ bss_info_changed |= BSS_CHANGED_ASSOC;
ifsta->flags |= IEEE80211_STA_ASSOCIATED;
if (sdata->vif.type != NL80211_IFTYPE_STATION)
@@ -719,22 +719,16 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
ifsta->ssid, ifsta->ssid_len);
if (bss) {
/* set timing information */
- sdata->bss_conf.beacon_int = bss->beacon_int;
- sdata->bss_conf.timestamp = bss->timestamp;
- sdata->bss_conf.dtim_period = bss->dtim_period;
+ sdata->vif.bss_conf.beacon_int = bss->beacon_int;
+ sdata->vif.bss_conf.timestamp = bss->timestamp;
+ sdata->vif.bss_conf.dtim_period = bss->dtim_period;
- changed |= ieee80211_handle_bss_capability(sdata, bss);
+ bss_info_changed |= ieee80211_handle_bss_capability(sdata,
+ bss->capability, bss->has_erp_value, bss->erp_value);
ieee80211_rx_bss_put(local, bss);
}
- if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
- changed |= BSS_CHANGED_HT;
- sdata->bss_conf.assoc_ht = 1;
- sdata->bss_conf.ht_conf = &conf->ht_conf;
- sdata->bss_conf.ht_bss_conf = &conf->ht_bss_conf;
- }
-
ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
memcpy(ifsta->prev_bssid, sdata->u.sta.bssid, ETH_ALEN);
ieee80211_sta_send_associnfo(sdata, ifsta);
@@ -742,14 +736,14 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
ifsta->last_probe = jiffies;
ieee80211_led_assoc(local, 1);
- sdata->bss_conf.assoc = 1;
+ sdata->vif.bss_conf.assoc = 1;
/*
* For now just always ask the driver to update the basic rateset
* when we have associated, we aren't checking whether it actually
* changed or not.
*/
- changed |= BSS_CHANGED_BASIC_RATES;
- ieee80211_bss_info_change_notify(sdata, changed);
+ bss_info_changed |= BSS_CHANGED_BASIC_RATES;
+ ieee80211_bss_info_change_notify(sdata, bss_info_changed);
netif_tx_start_all_queues(sdata->dev);
netif_carrier_on(sdata->dev);
@@ -760,18 +754,17 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
static void ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
- DECLARE_MAC_BUF(mac);
-
ifsta->direct_probe_tries++;
if (ifsta->direct_probe_tries > IEEE80211_AUTH_MAX_TRIES) {
- printk(KERN_DEBUG "%s: direct probe to AP %s timed out\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ printk(KERN_DEBUG "%s: direct probe to AP %pM timed out\n",
+ sdata->dev->name, ifsta->bssid);
ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_sta_send_apinfo(sdata, ifsta);
return;
}
- printk(KERN_DEBUG "%s: direct probe to AP %s try %d\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid),
+ printk(KERN_DEBUG "%s: direct probe to AP %pM try %d\n",
+ sdata->dev->name, ifsta->bssid,
ifsta->direct_probe_tries);
ifsta->state = IEEE80211_STA_MLME_DIRECT_PROBE;
@@ -791,20 +784,19 @@ static void ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata,
static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
- DECLARE_MAC_BUF(mac);
-
ifsta->auth_tries++;
if (ifsta->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
- printk(KERN_DEBUG "%s: authentication with AP %s"
+ printk(KERN_DEBUG "%s: authentication with AP %pM"
" timed out\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ sdata->dev->name, ifsta->bssid);
ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_sta_send_apinfo(sdata, ifsta);
return;
}
ifsta->state = IEEE80211_STA_MLME_AUTHENTICATE;
- printk(KERN_DEBUG "%s: authenticate with AP %s\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ printk(KERN_DEBUG "%s: authenticate with AP %pM\n",
+ sdata->dev->name, ifsta->bssid);
ieee80211_send_auth(sdata, ifsta, 1, NULL, 0, 0);
@@ -817,7 +809,7 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- u32 changed = BSS_CHANGED_ASSOC;
+ u32 changed = 0;
rcu_read_lock();
@@ -851,15 +843,9 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
changed |= ieee80211_reset_erp_info(sdata);
- if (sdata->bss_conf.assoc_ht)
- changed |= BSS_CHANGED_HT;
-
- sdata->bss_conf.assoc_ht = 0;
- sdata->bss_conf.ht_conf = NULL;
- sdata->bss_conf.ht_bss_conf = NULL;
-
ieee80211_led_assoc(local, 0);
- sdata->bss_conf.assoc = 0;
+ changed |= BSS_CHANGED_ASSOC;
+ sdata->vif.bss_conf.assoc = false;
ieee80211_sta_send_apinfo(sdata, ifsta);
@@ -871,6 +857,11 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata,
rcu_read_unlock();
sta_info_destroy(sta);
+
+ local->hw.conf.ht.enabled = false;
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_HT);
+
+ ieee80211_bss_info_change_notify(sdata, changed);
}
static int ieee80211_sta_wep_configured(struct ieee80211_sub_if_data *sdata)
@@ -914,20 +905,19 @@ static int ieee80211_privacy_mismatch(struct ieee80211_sub_if_data *sdata,
static void ieee80211_associate(struct ieee80211_sub_if_data *sdata,
struct ieee80211_if_sta *ifsta)
{
- DECLARE_MAC_BUF(mac);
-
ifsta->assoc_tries++;
if (ifsta->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) {
- printk(KERN_DEBUG "%s: association with AP %s"
+ printk(KERN_DEBUG "%s: association with AP %pM"
" timed out\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ sdata->dev->name, ifsta->bssid);
ifsta->state = IEEE80211_STA_MLME_DISABLED;
+ ieee80211_sta_send_apinfo(sdata, ifsta);
return;
}
ifsta->state = IEEE80211_STA_MLME_ASSOCIATE;
- printk(KERN_DEBUG "%s: associate with AP %s\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ printk(KERN_DEBUG "%s: associate with AP %pM\n",
+ sdata->dev->name, ifsta->bssid);
if (ieee80211_privacy_mismatch(sdata, ifsta)) {
printk(KERN_DEBUG "%s: mismatch in privacy configuration and "
"mixed-cell disabled - abort association\n", sdata->dev->name);
@@ -947,7 +937,6 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata,
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
int disassoc;
- DECLARE_MAC_BUF(mac);
/* TODO: start monitoring current AP signal quality and number of
* missed beacons. Scan other channels every now and then and search
@@ -960,8 +949,8 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata,
sta = sta_info_get(local, ifsta->bssid);
if (!sta) {
- printk(KERN_DEBUG "%s: No STA entry for own AP %s\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ printk(KERN_DEBUG "%s: No STA entry for own AP %pM\n",
+ sdata->dev->name, ifsta->bssid);
disassoc = 1;
} else {
disassoc = 0;
@@ -969,9 +958,9 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata,
sta->last_rx + IEEE80211_MONITORING_INTERVAL)) {
if (ifsta->flags & IEEE80211_STA_PROBEREQ_POLL) {
printk(KERN_DEBUG "%s: No ProbeResp from "
- "current AP %s - assume out of "
+ "current AP %pM - assume out of "
"range\n",
- sdata->dev->name, print_mac(mac, ifsta->bssid));
+ sdata->dev->name, ifsta->bssid);
disassoc = 1;
} else
ieee80211_send_probe_req(sdata, ifsta->bssid,
@@ -1032,7 +1021,6 @@ static void ieee80211_rx_mgmt_auth(struct ieee80211_sub_if_data *sdata,
size_t len)
{
u16 auth_alg, auth_transaction, status_code;
- DECLARE_MAC_BUF(mac);
if (ifsta->state != IEEE80211_STA_MLME_AUTHENTICATE &&
sdata->vif.type != NL80211_IFTYPE_ADHOC)
@@ -1125,7 +1113,6 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
size_t len)
{
u16 reason_code;
- DECLARE_MAC_BUF(mac);
if (len < 24 + 2)
return;
@@ -1136,7 +1123,8 @@ static void ieee80211_rx_mgmt_deauth(struct ieee80211_sub_if_data *sdata,
reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
if (ifsta->flags & IEEE80211_STA_AUTHENTICATED)
- printk(KERN_DEBUG "%s: deauthenticated\n", sdata->dev->name);
+ printk(KERN_DEBUG "%s: deauthenticated (Reason: %u)\n",
+ sdata->dev->name, reason_code);
if (ifsta->state == IEEE80211_STA_MLME_AUTHENTICATE ||
ifsta->state == IEEE80211_STA_MLME_ASSOCIATE ||
@@ -1157,7 +1145,6 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
size_t len)
{
u16 reason_code;
- DECLARE_MAC_BUF(mac);
if (len < 24 + 2)
return;
@@ -1168,7 +1155,8 @@ static void ieee80211_rx_mgmt_disassoc(struct ieee80211_sub_if_data *sdata,
reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
if (ifsta->flags & IEEE80211_STA_ASSOCIATED)
- printk(KERN_DEBUG "%s: disassociated\n", sdata->dev->name);
+ printk(KERN_DEBUG "%s: disassociated (Reason: %u)\n",
+ sdata->dev->name, reason_code);
if (ifsta->state == IEEE80211_STA_MLME_ASSOCIATED) {
ifsta->state = IEEE80211_STA_MLME_ASSOCIATE;
@@ -1192,11 +1180,12 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
u64 rates, basic_rates;
u16 capab_info, status_code, aid;
struct ieee802_11_elems elems;
- struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
+ struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf;
u8 *pos;
+ u32 changed = 0;
int i, j;
- DECLARE_MAC_BUF(mac);
- bool have_higher_than_11mbit = false;
+ bool have_higher_than_11mbit = false, newsta = false;
+ u16 ap_ht_cap_flags;
/* AssocResp and ReassocResp have identical structure, so process both
* of them in this function. */
@@ -1214,9 +1203,9 @@ static void 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 %s (capab=0x%x "
+ printk(KERN_DEBUG "%s: RX %sssocResp from %pM (capab=0x%x "
"status=%d aid=%d)\n",
- sdata->dev->name, reassoc ? "Rea" : "A", print_mac(mac, mgmt->sa),
+ sdata->dev->name, reassoc ? "Rea" : "A", mgmt->sa,
capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
if (status_code != WLAN_STATUS_SUCCESS) {
@@ -1259,7 +1248,8 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
sta = sta_info_get(local, ifsta->bssid);
if (!sta) {
struct ieee80211_bss *bss;
- int err;
+
+ newsta = true;
sta = sta_info_alloc(sdata, ifsta->bssid, GFP_ATOMIC);
if (!sta) {
@@ -1278,13 +1268,6 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
ieee80211_rx_bss_put(local, bss);
}
- err = sta_info_insert(sta);
- if (err) {
- printk(KERN_DEBUG "%s: failed to insert STA entry for"
- " the AP (error %d)\n", sdata->dev->name, err);
- rcu_read_unlock();
- return;
- }
/* update new sta with its last rx activity */
sta->last_rx = jiffies;
}
@@ -1308,34 +1291,40 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
for (i = 0; i < elems.supp_rates_len; i++) {
int rate = (elems.supp_rates[i] & 0x7f) * 5;
+ bool is_basic = !!(elems.supp_rates[i] & 0x80);
if (rate > 110)
have_higher_than_11mbit = true;
for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].bitrate == rate)
+ if (sband->bitrates[j].bitrate == rate) {
rates |= BIT(j);
- if (elems.supp_rates[i] & 0x80)
- basic_rates |= BIT(j);
+ if (is_basic)
+ basic_rates |= BIT(j);
+ break;
+ }
}
}
for (i = 0; i < elems.ext_supp_rates_len; i++) {
int rate = (elems.ext_supp_rates[i] & 0x7f) * 5;
+ bool is_basic = !!(elems.supp_rates[i] & 0x80);
if (rate > 110)
have_higher_than_11mbit = true;
for (j = 0; j < sband->n_bitrates; j++) {
- if (sband->bitrates[j].bitrate == rate)
+ if (sband->bitrates[j].bitrate == rate) {
rates |= BIT(j);
- if (elems.ext_supp_rates[i] & 0x80)
- basic_rates |= BIT(j);
+ if (is_basic)
+ basic_rates |= BIT(j);
+ break;
+ }
}
}
sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
- sdata->bss_conf.basic_rates = basic_rates;
+ sdata->vif.bss_conf.basic_rates = basic_rates;
/* cf. IEEE 802.11 9.2.12 */
if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
@@ -1344,31 +1333,43 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
else
sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
- if (elems.ht_cap_elem && elems.ht_info_elem && elems.wmm_param &&
- (ifsta->flags & IEEE80211_STA_WMM_ENABLED)) {
- struct ieee80211_ht_bss_info bss_info;
- ieee80211_ht_cap_ie_to_ht_info(
- elems.ht_cap_elem, &sta->sta.ht_info);
- ieee80211_ht_addt_info_ie_to_ht_bss_info(
- elems.ht_info_elem, &bss_info);
- ieee80211_handle_ht(local, 1, &sta->sta.ht_info, &bss_info);
- }
+ if (elems.ht_cap_elem)
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
+ elems.ht_cap_elem, &sta->sta.ht_cap);
+
+ ap_ht_cap_flags = sta->sta.ht_cap.cap;
rate_control_rate_init(sta);
- if (elems.wmm_param) {
+ if (elems.wmm_param)
set_sta_flags(sta, WLAN_STA_WME);
- rcu_read_unlock();
+
+ if (newsta) {
+ int err = sta_info_insert(sta);
+ if (err) {
+ printk(KERN_DEBUG "%s: failed to insert STA entry for"
+ " the AP (error %d)\n", sdata->dev->name, err);
+ rcu_read_unlock();
+ return;
+ }
+ }
+
+ rcu_read_unlock();
+
+ if (elems.wmm_param)
ieee80211_sta_wmm_params(local, ifsta, elems.wmm_param,
elems.wmm_param_len);
- } else
- rcu_read_unlock();
+
+ if (elems.ht_info_elem && elems.wmm_param &&
+ (ifsta->flags & IEEE80211_STA_WMM_ENABLED))
+ changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
+ ap_ht_cap_flags);
/* set AID and assoc capability,
* ieee80211_set_associated() will tell the driver */
bss_conf->aid = aid;
bss_conf->assoc_capability = capab_info;
- ieee80211_set_associated(sdata, ifsta);
+ ieee80211_set_associated(sdata, ifsta, changed);
ieee80211_associated(sdata, ifsta);
}
@@ -1386,6 +1387,13 @@ static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
struct ieee80211_supported_band *sband;
union iwreq_data wrqu;
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
+ if (!skb) {
+ printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
+ "response\n", sdata->dev->name);
+ return -ENOMEM;
+ }
+
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
/* Remove possible STA entries from other IBSS networks. */
@@ -1411,63 +1419,62 @@ static int ieee80211_sta_join_ibss(struct ieee80211_sub_if_data *sdata,
return res;
/* Build IBSS probe response */
- skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
- if (skb) {
- skb_reserve(skb, local->hw.extra_tx_headroom);
- mgmt = (struct ieee80211_mgmt *)
- skb_put(skb, 24 + sizeof(mgmt->u.beacon));
- memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
- mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
- IEEE80211_STYPE_PROBE_RESP);
- memset(mgmt->da, 0xff, ETH_ALEN);
- memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
- memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
- mgmt->u.beacon.beacon_int =
- cpu_to_le16(local->hw.conf.beacon_int);
- mgmt->u.beacon.timestamp = cpu_to_le64(bss->timestamp);
- mgmt->u.beacon.capab_info = cpu_to_le16(bss->capability);
-
- pos = skb_put(skb, 2 + ifsta->ssid_len);
- *pos++ = WLAN_EID_SSID;
- *pos++ = ifsta->ssid_len;
- memcpy(pos, ifsta->ssid, ifsta->ssid_len);
-
- rates = bss->supp_rates_len;
- if (rates > 8)
- rates = 8;
- pos = skb_put(skb, 2 + rates);
- *pos++ = WLAN_EID_SUPP_RATES;
- *pos++ = rates;
- memcpy(pos, bss->supp_rates, rates);
+ skb_reserve(skb, local->hw.extra_tx_headroom);
- if (bss->band == IEEE80211_BAND_2GHZ) {
- pos = skb_put(skb, 2 + 1);
- *pos++ = WLAN_EID_DS_PARAMS;
- *pos++ = 1;
- *pos++ = ieee80211_frequency_to_channel(bss->freq);
- }
+ mgmt = (struct ieee80211_mgmt *)
+ skb_put(skb, 24 + sizeof(mgmt->u.beacon));
+ memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
+ mgmt->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT |
+ IEEE80211_STYPE_PROBE_RESP);
+ memset(mgmt->da, 0xff, ETH_ALEN);
+ memcpy(mgmt->sa, sdata->dev->dev_addr, ETH_ALEN);
+ memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
+ mgmt->u.beacon.beacon_int =
+ cpu_to_le16(local->hw.conf.beacon_int);
+ mgmt->u.beacon.timestamp = cpu_to_le64(bss->timestamp);
+ mgmt->u.beacon.capab_info = cpu_to_le16(bss->capability);
- pos = skb_put(skb, 2 + 2);
- *pos++ = WLAN_EID_IBSS_PARAMS;
- *pos++ = 2;
- /* FIX: set ATIM window based on scan results */
- *pos++ = 0;
- *pos++ = 0;
+ pos = skb_put(skb, 2 + ifsta->ssid_len);
+ *pos++ = WLAN_EID_SSID;
+ *pos++ = ifsta->ssid_len;
+ memcpy(pos, ifsta->ssid, ifsta->ssid_len);
- if (bss->supp_rates_len > 8) {
- rates = bss->supp_rates_len - 8;
- pos = skb_put(skb, 2 + rates);
- *pos++ = WLAN_EID_EXT_SUPP_RATES;
- *pos++ = rates;
- memcpy(pos, &bss->supp_rates[8], rates);
- }
+ rates = bss->supp_rates_len;
+ if (rates > 8)
+ rates = 8;
+ pos = skb_put(skb, 2 + rates);
+ *pos++ = WLAN_EID_SUPP_RATES;
+ *pos++ = rates;
+ memcpy(pos, bss->supp_rates, rates);
+
+ if (bss->band == IEEE80211_BAND_2GHZ) {
+ pos = skb_put(skb, 2 + 1);
+ *pos++ = WLAN_EID_DS_PARAMS;
+ *pos++ = 1;
+ *pos++ = ieee80211_frequency_to_channel(bss->freq);
+ }
- ifsta->probe_resp = skb;
+ pos = skb_put(skb, 2 + 2);
+ *pos++ = WLAN_EID_IBSS_PARAMS;
+ *pos++ = 2;
+ /* FIX: set ATIM window based on scan results */
+ *pos++ = 0;
+ *pos++ = 0;
- ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+ if (bss->supp_rates_len > 8) {
+ rates = bss->supp_rates_len - 8;
+ pos = skb_put(skb, 2 + rates);
+ *pos++ = WLAN_EID_EXT_SUPP_RATES;
+ *pos++ = rates;
+ memcpy(pos, &bss->supp_rates[8], rates);
}
+ ifsta->probe_resp = skb;
+
+ ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+
+
rates = 0;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
for (i = 0; i < bss->supp_rates_len; i++) {
@@ -1507,8 +1514,6 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
u64 beacon_timestamp, rx_timestamp;
u64 supp_rates = 0;
enum ieee80211_band band = rx_status->band;
- DECLARE_MAC_BUF(mac);
- DECLARE_MAC_BUF(mac2);
if (elems->ds_params && elems->ds_params_len == 1)
freq = ieee80211_channel_to_frequency(elems->ds_params[0]);
@@ -1538,10 +1543,10 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
#ifdef CONFIG_MAC80211_IBSS_DEBUG
if (sta->sta.supp_rates[band] != prev_rates)
printk(KERN_DEBUG "%s: updated supp_rates set "
- "for %s based on beacon info (0x%llx | "
+ "for %pM based on beacon info (0x%llx | "
"0x%llx -> 0x%llx)\n",
sdata->dev->name,
- print_mac(mac, sta->sta.addr),
+ sta->sta.addr,
(unsigned long long) prev_rates,
(unsigned long long) supp_rates,
(unsigned long long) sta->sta.supp_rates[band]);
@@ -1605,10 +1610,9 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
/* can't merge without knowing the TSF */
rx_timestamp = -1LLU;
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "RX beacon SA=%s BSSID="
- "%s TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
- print_mac(mac, mgmt->sa),
- print_mac(mac2, mgmt->bssid),
+ printk(KERN_DEBUG "RX beacon SA=%pM BSSID="
+ "%pM TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
+ mgmt->sa, mgmt->bssid,
(unsigned long long)rx_timestamp,
(unsigned long long)beacon_timestamp,
(unsigned long long)(rx_timestamp - beacon_timestamp),
@@ -1617,8 +1621,8 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
if (beacon_timestamp > rx_timestamp) {
#ifdef CONFIG_MAC80211_IBSS_DEBUG
printk(KERN_DEBUG "%s: beacon TSF higher than "
- "local TSF - IBSS merge with BSSID %s\n",
- sdata->dev->name, print_mac(mac, mgmt->bssid));
+ "local TSF - IBSS merge with BSSID %pM\n",
+ sdata->dev->name, mgmt->bssid);
#endif
ieee80211_sta_join_ibss(sdata, &sdata->u.sta, bss);
ieee80211_ibss_add_sta(sdata, NULL,
@@ -1671,8 +1675,9 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
size_t baselen;
struct ieee802_11_elems elems;
struct ieee80211_local *local = sdata->local;
- struct ieee80211_conf *conf = &local->hw.conf;
u32 changed = 0;
+ bool erp_valid;
+ u8 erp_value = 0;
/* Process beacon from the current BSS */
baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
@@ -1694,22 +1699,42 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
ieee80211_sta_wmm_params(local, ifsta, elems.wmm_param,
elems.wmm_param_len);
- if (elems.erp_info && elems.erp_info_len >= 1)
- changed |= ieee80211_handle_erp_ie(sdata, elems.erp_info[0]);
- else {
- u16 capab = le16_to_cpu(mgmt->u.beacon.capab_info);
- changed |= ieee80211_handle_protect_preamb(sdata, false,
- (capab & WLAN_CAPABILITY_SHORT_PREAMBLE) != 0);
+
+ if (elems.erp_info && elems.erp_info_len >= 1) {
+ erp_valid = true;
+ erp_value = elems.erp_info[0];
+ } else {
+ erp_valid = false;
}
+ changed |= ieee80211_handle_bss_capability(sdata,
+ le16_to_cpu(mgmt->u.beacon.capab_info),
+ erp_valid, erp_value);
+
+
+ if (elems.ht_cap_elem && elems.ht_info_elem && elems.wmm_param) {
+ struct sta_info *sta;
+ struct ieee80211_supported_band *sband;
+ u16 ap_ht_cap_flags;
+
+ rcu_read_lock();
+
+ sta = sta_info_get(local, ifsta->bssid);
+ if (!sta) {
+ rcu_read_unlock();
+ return;
+ }
+
+ sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
- if (elems.ht_cap_elem && elems.ht_info_elem &&
- elems.wmm_param && conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
- struct ieee80211_ht_bss_info bss_info;
+ ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
+ elems.ht_cap_elem, &sta->sta.ht_cap);
- ieee80211_ht_addt_info_ie_to_ht_bss_info(
- elems.ht_info_elem, &bss_info);
- changed |= ieee80211_handle_ht(local, 1, &conf->ht_conf,
- &bss_info);
+ ap_ht_cap_flags = sta->sta.ht_cap.cap;
+
+ rcu_read_unlock();
+
+ changed |= ieee80211_enable_ht(sdata, elems.ht_info_elem,
+ ap_ht_cap_flags);
}
ieee80211_bss_info_change_notify(sdata, changed);
@@ -1727,11 +1752,6 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb;
struct ieee80211_mgmt *resp;
u8 *pos, *end;
- DECLARE_MAC_BUF(mac);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
- DECLARE_MAC_BUF(mac2);
- DECLARE_MAC_BUF(mac3);
-#endif
if (sdata->vif.type != NL80211_IFTYPE_ADHOC ||
ifsta->state != IEEE80211_STA_MLME_IBSS_JOINED ||
@@ -1744,10 +1764,10 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
tx_last_beacon = 1;
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: RX ProbeReq SA=%s DA=%s BSSID="
- "%s (tx_last_beacon=%d)\n",
- sdata->dev->name, print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->da),
- print_mac(mac3, mgmt->bssid), tx_last_beacon);
+ printk(KERN_DEBUG "%s: RX ProbeReq SA=%pM DA=%pM BSSID=%pM"
+ " (tx_last_beacon=%d)\n",
+ sdata->dev->name, mgmt->sa, mgmt->da,
+ mgmt->bssid, tx_last_beacon);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
if (!tx_last_beacon)
@@ -1763,8 +1783,8 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
pos + 2 + pos[1] > end) {
#ifdef CONFIG_MAC80211_IBSS_DEBUG
printk(KERN_DEBUG "%s: Invalid SSID IE in ProbeReq "
- "from %s\n",
- sdata->dev->name, print_mac(mac, mgmt->sa));
+ "from %pM\n",
+ sdata->dev->name, mgmt->sa);
#endif
return;
}
@@ -1783,8 +1803,8 @@ static void ieee80211_rx_mgmt_probe_req(struct ieee80211_sub_if_data *sdata,
resp = (struct ieee80211_mgmt *) skb->data;
memcpy(resp->da, mgmt->sa, ETH_ALEN);
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG "%s: Sending ProbeResp to %s\n",
- sdata->dev->name, print_mac(mac, resp->da));
+ printk(KERN_DEBUG "%s: Sending ProbeResp to %pM\n",
+ sdata->dev->name, resp->da);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
ieee80211_tx_skb(sdata, skb, 0);
}
@@ -1990,7 +2010,6 @@ static int ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata,
u8 bssid[ETH_ALEN], *pos;
int i;
int ret;
- DECLARE_MAC_BUF(mac);
#if 0
/* Easier testing, use fixed BSSID. */
@@ -2006,8 +2025,8 @@ static int ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata,
bssid[0] |= 0x02;
#endif
- printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %s\n",
- sdata->dev->name, print_mac(mac, bssid));
+ printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %pM\n",
+ sdata->dev->name, bssid);
bss = ieee80211_rx_bss_add(local, bssid,
local->hw.conf.channel->center_freq,
@@ -2050,8 +2069,6 @@ static int ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata,
int found = 0;
u8 bssid[ETH_ALEN];
int active_ibss;
- DECLARE_MAC_BUF(mac);
- DECLARE_MAC_BUF(mac2);
if (ifsta->ssid_len == 0)
return -EINVAL;
@@ -2068,8 +2085,7 @@ static int ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata,
|| !(bss->capability & WLAN_CAPABILITY_IBSS))
continue;
#ifdef CONFIG_MAC80211_IBSS_DEBUG
- printk(KERN_DEBUG " bssid=%s found\n",
- print_mac(mac, bss->bssid));
+ printk(KERN_DEBUG " bssid=%pM found\n", bss->bssid);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
memcpy(bssid, bss->bssid, ETH_ALEN);
found = 1;
@@ -2080,9 +2096,8 @@ static int ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata,
#ifdef CONFIG_MAC80211_IBSS_DEBUG
if (found)
- printk(KERN_DEBUG " sta_find_ibss: selected %s current "
- "%s\n", print_mac(mac, bssid),
- print_mac(mac2, ifsta->bssid));
+ printk(KERN_DEBUG " sta_find_ibss: selected %pM current "
+ "%pM\n", bssid, ifsta->bssid);
#endif /* CONFIG_MAC80211_IBSS_DEBUG */
if (found && memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0) {
@@ -2099,9 +2114,9 @@ static int ieee80211_sta_find_ibss(struct ieee80211_sub_if_data *sdata,
if (!bss)
goto dont_join;
- printk(KERN_DEBUG "%s: Selected IBSS BSSID %s"
+ printk(KERN_DEBUG "%s: Selected IBSS BSSID %pM"
" based on configured SSID\n",
- sdata->dev->name, print_mac(mac, bssid));
+ sdata->dev->name, bssid);
ret = ieee80211_sta_join_ibss(sdata, ifsta, bss);
ieee80211_rx_bss_put(local, bss);
return ret;
@@ -2343,7 +2358,6 @@ struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
- DECLARE_MAC_BUF(mac);
int band = local->hw.conf.channel->band;
/* TODO: Could consider removing the least recently used entry and
@@ -2351,7 +2365,7 @@ struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
if (net_ratelimit()) {
printk(KERN_DEBUG "%s: No room for a new IBSS STA "
- "entry %s\n", sdata->dev->name, print_mac(mac, addr));
+ "entry %pM\n", sdata->dev->name, addr);
}
return NULL;
}
@@ -2360,8 +2374,8 @@ struct sta_info *ieee80211_ibss_add_sta(struct ieee80211_sub_if_data *sdata,
return NULL;
#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: Adding new IBSS station %s (dev=%s)\n",
- wiphy_name(local->hw.wiphy), print_mac(mac, addr), sdata->dev->name);
+ printk(KERN_DEBUG "%s: Adding new IBSS station %pM (dev=%s)\n",
+ wiphy_name(local->hw.wiphy), addr, sdata->dev->name);
#endif
sta = sta_info_alloc(sdata, addr, GFP_ATOMIC);
@@ -2408,7 +2422,6 @@ void ieee80211_sta_req_auth(struct ieee80211_sub_if_data *sdata,
int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
{
struct ieee80211_if_sta *ifsta;
- int res;
if (len > IEEE80211_MAX_SSID_LEN)
return -EINVAL;
@@ -2420,19 +2433,6 @@ int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size
memcpy(ifsta->ssid, ssid, len);
ifsta->ssid_len = len;
ifsta->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
-
- res = 0;
- /*
- * Hack! MLME code needs to be cleaned up to have different
- * entry points for configuration and internal selection change
- */
- if (netif_running(sdata->dev))
- res = ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
- if (res) {
- printk(KERN_DEBUG "%s: Failed to config new SSID to "
- "the low-level driver\n", sdata->dev->name);
- return res;
- }
}
if (len)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-25 07:34:55 +0000