/* frame sending functions */
-static void add_extra_ies(struct sk_buff *skb, u8 *ies, size_t ies_len)
-{
- if (ies)
- memcpy(skb_put(skb, ies_len), ies, ies_len);
-}
-
static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *pos, *ies, *ht_ie, *e_ies;
+ u8 *pos, *ies, *ht_ie;
int i, len, count, rates_len, supp_rates_len;
u16 capab;
struct ieee80211_bss *bss;
int wmm = 0;
struct ieee80211_supported_band *sband;
u32 rates = 0;
- size_t e_ies_len;
-
- if (ifmgd->flags & IEEE80211_IBSS_PREV_BSSID_SET) {
- e_ies = sdata->u.mgd.ie_reassocreq;
- e_ies_len = sdata->u.mgd.ie_reassocreq_len;
- } else {
- e_ies = sdata->u.mgd.ie_assocreq;
- e_ies_len = sdata->u.mgd.ie_assocreq_len;
- }
skb = dev_alloc_skb(local->hw.extra_tx_headroom +
sizeof(*mgmt) + 200 + ifmgd->extra_ie_len +
- ifmgd->ssid_len + e_ies_len);
+ ifmgd->ssid_len);
if (!skb) {
printk(KERN_DEBUG "%s: failed to allocate buffer for assoc "
"frame\n", sdata->dev->name);
memcpy(pos, &sband->ht_cap.mcs, sizeof(sband->ht_cap.mcs));
}
- add_extra_ies(skb, e_ies, e_ies_len);
-
kfree(ifmgd->assocreq_ies);
ifmgd->assocreq_ies_len = (skb->data + skb->len) - ies;
ifmgd->assocreq_ies = kmalloc(ifmgd->assocreq_ies_len, GFP_KERNEL);
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
- u8 *ies;
- size_t ies_len;
-
- if (stype == IEEE80211_STYPE_DEAUTH) {
- ies = sdata->u.mgd.ie_deauth;
- ies_len = sdata->u.mgd.ie_deauth_len;
- } else {
- ies = sdata->u.mgd.ie_disassoc;
- ies_len = sdata->u.mgd.ie_disassoc_len;
- }
- skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) +
- ies_len);
+ skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt));
if (!skb) {
printk(KERN_DEBUG "%s: failed to allocate buffer for "
"deauth/disassoc frame\n", sdata->dev->name);
/* u.deauth.reason_code == u.disassoc.reason_code */
mgmt->u.deauth.reason_code = cpu_to_le16(reason);
- add_extra_ies(skb, ies, ies_len);
-
ieee80211_tx_skb(sdata, skb, ifmgd->flags & IEEE80211_STA_MFP_ENABLED);
}
memset(¶ms, 0, sizeof(params));
- if (!local->ops->conf_tx)
- return;
-
local->wmm_acm = 0;
for (; left >= 4; left -= 4, pos += 4) {
int aci = (pos[0] >> 5) & 0x03;
int queue;
switch (aci) {
- case 1:
+ case 1: /* AC_BK */
queue = 3;
if (acm)
- local->wmm_acm |= BIT(0) | BIT(3);
+ local->wmm_acm |= BIT(1) | BIT(2); /* BK/- */
break;
- case 2:
+ case 2: /* AC_VI */
queue = 1;
if (acm)
- local->wmm_acm |= BIT(4) | BIT(5);
+ local->wmm_acm |= BIT(4) | BIT(5); /* CL/VI */
break;
- case 3:
+ case 3: /* AC_VO */
queue = 0;
if (acm)
- local->wmm_acm |= BIT(6) | BIT(7);
+ local->wmm_acm |= BIT(6) | BIT(7); /* VO/NC */
break;
- case 0:
+ case 0: /* AC_BE */
default:
queue = 2;
if (acm)
- local->wmm_acm |= BIT(1) | BIT(2);
+ local->wmm_acm |= BIT(0) | BIT(3); /* BE/EE */
break;
}
local->mdev->name, queue, aci, acm, params.aifs, params.cw_min,
params.cw_max, params.txop);
#endif
- /* TODO: handle ACM (block TX, fallback to next lowest allowed
- * AC for now) */
- if (local->ops->conf_tx(local_to_hw(local), queue, ¶ms)) {
+ if (local->ops->conf_tx &&
+ local->ops->conf_tx(local_to_hw(local), queue, ¶ms)) {
printk(KERN_DEBUG "%s: failed to set TX queue "
"parameters for queue %d\n", local->mdev->name, queue);
}
static void ieee80211_direct_probe(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_local *local = sdata->local;
ifmgd->direct_probe_tries++;
if (ifmgd->direct_probe_tries > IEEE80211_AUTH_MAX_TRIES) {
ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
sdata->local->hw.conf.channel->center_freq,
ifmgd->ssid, ifmgd->ssid_len);
+
+ /*
+ * We might have a pending scan which had no chance to run yet
+ * due to state == IEEE80211_STA_MLME_DIRECT_PROBE.
+ * Hence, queue the STAs work again
+ */
+ queue_work(local->hw.workqueue, &ifmgd->work);
return;
}
static void ieee80211_authenticate(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_local *local = sdata->local;
+ u8 *ies;
+ size_t ies_len;
ifmgd->auth_tries++;
if (ifmgd->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
sdata->local->hw.conf.channel->center_freq,
ifmgd->ssid, ifmgd->ssid_len);
+
+ /*
+ * We might have a pending scan which had no chance to run yet
+ * due to state == IEEE80211_STA_MLME_AUTHENTICATE.
+ * Hence, queue the STAs work again
+ */
+ queue_work(local->hw.workqueue, &ifmgd->work);
return;
}
printk(KERN_DEBUG "%s: authenticate with AP %pM\n",
sdata->dev->name, ifmgd->bssid);
- ieee80211_send_auth(sdata, 1, ifmgd->auth_alg, NULL, 0,
+ if (ifmgd->flags & IEEE80211_STA_EXT_SME) {
+ ies = ifmgd->sme_auth_ie;
+ ies_len = ifmgd->sme_auth_ie_len;
+ } else {
+ ies = NULL;
+ ies_len = 0;
+ }
+ ieee80211_send_auth(sdata, 1, ifmgd->auth_alg, ies, ies_len,
ifmgd->bssid, 0);
ifmgd->auth_transaction = 2;
int wep_privacy;
int privacy_invoked;
- if (!ifmgd || (ifmgd->flags & IEEE80211_STA_MIXED_CELL))
+ if (!ifmgd || (ifmgd->flags & (IEEE80211_STA_MIXED_CELL |
+ IEEE80211_STA_EXT_SME)))
return 0;
bss = ieee80211_rx_bss_get(local, ifmgd->bssid,
static void ieee80211_associate(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+ struct ieee80211_local *local = sdata->local;
ifmgd->assoc_tries++;
if (ifmgd->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) {
ieee80211_rx_bss_remove(sdata, ifmgd->bssid,
sdata->local->hw.conf.channel->center_freq,
ifmgd->ssid, ifmgd->ssid_len);
+ /*
+ * We might have a pending scan which had no chance to run yet
+ * due to state == IEEE80211_STA_MLME_ASSOCIATE.
+ * Hence, queue the STAs work again
+ */
+ queue_work(local->hw.workqueue, &ifmgd->work);
return;
}
printk(KERN_DEBUG "%s: authenticated\n", sdata->dev->name);
ifmgd->flags |= IEEE80211_STA_AUTHENTICATED;
- ieee80211_associate(sdata);
+ if (ifmgd->flags & IEEE80211_STA_EXT_SME) {
+ /* Wait for SME to request association */
+ ifmgd->state = IEEE80211_STA_MLME_DISABLED;
+ } else
+ ieee80211_associate(sdata);
}
switch (ifmgd->auth_alg) {
case WLAN_AUTH_OPEN:
case WLAN_AUTH_LEAP:
+ case WLAN_AUTH_FT:
ieee80211_auth_completed(sdata);
+ cfg80211_send_rx_auth(sdata->dev, (u8 *) mgmt, len);
break;
case WLAN_AUTH_SHARED_KEY:
- if (ifmgd->auth_transaction == 4)
+ if (ifmgd->auth_transaction == 4) {
ieee80211_auth_completed(sdata);
- else
+ cfg80211_send_rx_auth(sdata->dev, (u8 *) mgmt, len);
+ } else
ieee80211_auth_challenge(sdata, mgmt, len);
break;
}
printk(KERN_DEBUG "%s: deauthenticated (Reason: %u)\n",
sdata->dev->name, reason_code);
- if (ifmgd->state == IEEE80211_STA_MLME_AUTHENTICATE ||
- ifmgd->state == IEEE80211_STA_MLME_ASSOCIATE ||
- ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED) {
+ if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) &&
+ (ifmgd->state == IEEE80211_STA_MLME_AUTHENTICATE ||
+ ifmgd->state == IEEE80211_STA_MLME_ASSOCIATE ||
+ ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED)) {
ifmgd->state = IEEE80211_STA_MLME_DIRECT_PROBE;
mod_timer(&ifmgd->timer, jiffies +
IEEE80211_RETRY_AUTH_INTERVAL);
ieee80211_set_disassoc(sdata, true, false, 0);
ifmgd->flags &= ~IEEE80211_STA_AUTHENTICATED;
+ cfg80211_send_rx_deauth(sdata->dev, (u8 *) mgmt, len);
}
printk(KERN_DEBUG "%s: disassociated (Reason: %u)\n",
sdata->dev->name, reason_code);
- if (ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED) {
+ if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) &&
+ ifmgd->state == IEEE80211_STA_MLME_ASSOCIATED) {
ifmgd->state = IEEE80211_STA_MLME_ASSOCIATE;
mod_timer(&ifmgd->timer, jiffies +
IEEE80211_RETRY_AUTH_INTERVAL);
}
ieee80211_set_disassoc(sdata, false, false, reason_code);
+ cfg80211_send_rx_disassoc(sdata->dev, (u8 *) mgmt, len);
}
else
sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
- if (elems.ht_cap_elem)
+ /* If TKIP/WEP is used, no need to parse AP's HT capabilities */
+ if (elems.ht_cap_elem && !(ifmgd->flags & IEEE80211_STA_TKIP_WEP_USED))
ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
elems.ht_cap_elem, &sta->sta.ht_cap);
ieee80211_set_associated(sdata, changed);
ieee80211_associated(sdata);
+ cfg80211_send_rx_assoc(sdata->dev, (u8 *) mgmt, len);
}
ieee80211_sta_wmm_params(local, ifmgd, elems.wmm_param,
elems.wmm_param_len);
- if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK &&
- local->hw.conf.flags & IEEE80211_CONF_PS) {
+ if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) {
directed_tim = ieee80211_check_tim(&elems, ifmgd->aid);
if (directed_tim) {
ifmgd->auth_alg = WLAN_AUTH_SHARED_KEY;
else if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_LEAP)
ifmgd->auth_alg = WLAN_AUTH_LEAP;
+ else if (ifmgd->auth_algs & IEEE80211_AUTH_ALG_FT)
+ ifmgd->auth_alg = WLAN_AUTH_FT;
else
ifmgd->auth_alg = WLAN_AUTH_OPEN;
ifmgd->auth_transaction = -1;
u16 capa_val = WLAN_CAPABILITY_ESS;
struct ieee80211_channel *chan = local->oper_channel;
- if (ifmgd->flags & (IEEE80211_STA_AUTO_SSID_SEL |
+ if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) &&
+ ifmgd->flags & (IEEE80211_STA_AUTO_SSID_SEL |
IEEE80211_STA_AUTO_BSSID_SEL |
IEEE80211_STA_AUTO_CHANNEL_SEL)) {
capa_mask |= WLAN_CAPABILITY_PRIVACY;
local->int_scan_req.ssids[0].ssid_len = 0;
else
local->int_scan_req.ssids[0].ssid_len = ifmgd->ssid_len;
- ieee80211_start_scan(sdata, &local->int_scan_req);
+
+ if (ieee80211_start_scan(sdata, &local->int_scan_req))
+ ieee80211_scan_failed(local);
+
ifmgd->state = IEEE80211_STA_MLME_AUTHENTICATE;
set_bit(IEEE80211_STA_REQ_AUTH, &ifmgd->request);
} else {
ifmgd->state != IEEE80211_STA_MLME_AUTHENTICATE &&
ifmgd->state != IEEE80211_STA_MLME_ASSOCIATE &&
test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request)) {
- ieee80211_start_scan(sdata, local->scan_req);
+ /*
+ * The call to ieee80211_start_scan can fail but ieee80211_request_scan
+ * (which queued ieee80211_sta_work) did not return an error. Thus, call
+ * ieee80211_scan_failed here if ieee80211_start_scan fails in order to
+ * notify the scan requester.
+ */
+ if (ieee80211_start_scan(sdata, local->scan_req))
+ ieee80211_scan_failed(local);
return;
}
ifmgd->flags |= IEEE80211_STA_CREATE_IBSS |
IEEE80211_STA_AUTO_BSSID_SEL |
IEEE80211_STA_AUTO_CHANNEL_SEL;
- if (ieee80211_num_regular_queues(&sdata->local->hw) >= 4)
+ if (sdata->local->hw.queues >= 4)
ifmgd->flags |= IEEE80211_STA_WMM_ENABLED;
}
ieee80211_set_disassoc(sdata, true, true,
WLAN_REASON_DEAUTH_LEAVING);
- set_bit(IEEE80211_STA_REQ_AUTH, &ifmgd->request);
+ if (!(ifmgd->flags & IEEE80211_STA_EXT_SME) ||
+ ifmgd->state != IEEE80211_STA_MLME_ASSOCIATE)
+ set_bit(IEEE80211_STA_REQ_AUTH, &ifmgd->request);
+ else if (ifmgd->flags & IEEE80211_STA_EXT_SME)
+ set_bit(IEEE80211_STA_REQ_RUN, &ifmgd->request);
queue_work(local->hw.workqueue, &ifmgd->work);
}
}
+int ieee80211_sta_commit(struct ieee80211_sub_if_data *sdata)
+{
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
+
+ if (ifmgd->ssid_len)
+ ifmgd->flags |= IEEE80211_STA_SSID_SET;
+ else
+ ifmgd->flags &= ~IEEE80211_STA_SSID_SET;
+
+ return 0;
+}
+
int ieee80211_sta_set_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t len)
{
struct ieee80211_if_managed *ifmgd;
ifmgd = &sdata->u.mgd;
if (ifmgd->ssid_len != len || memcmp(ifmgd->ssid, ssid, len) != 0) {
+ /*
+ * Do not use reassociation if SSID is changed (different ESS).
+ */
+ ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
memset(ifmgd->ssid, 0, sizeof(ifmgd->ssid));
memcpy(ifmgd->ssid, ssid, len);
ifmgd->ssid_len = len;
}
- ifmgd->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
-
- if (len)
- ifmgd->flags |= IEEE80211_STA_SSID_SET;
- else
- ifmgd->flags &= ~IEEE80211_STA_SSID_SET;
-
- return 0;
+ return ieee80211_sta_commit(sdata);
}
int ieee80211_sta_get_ssid(struct ieee80211_sub_if_data *sdata, char *ssid, size_t *len)
}
}
- return ieee80211_sta_set_ssid(sdata, ifmgd->ssid, ifmgd->ssid_len);
+ return ieee80211_sta_commit(sdata);
}
-int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata, char *ie, size_t len)
+int ieee80211_sta_set_extra_ie(struct ieee80211_sub_if_data *sdata,
+ const char *ie, size_t len)
{
struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff