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-rw-r--r--net/wireless/util.c60
1 files changed, 38 insertions, 22 deletions
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 1783ab9d57a3..626b858b4b35 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -43,8 +43,7 @@ ieee80211_get_response_rate(struct ieee80211_supported_band *sband,
}
EXPORT_SYMBOL(ieee80211_get_response_rate);
-u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband,
- enum nl80211_bss_scan_width scan_width)
+u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband)
{
struct ieee80211_rate *bitrates;
u32 mandatory_rates = 0;
@@ -54,15 +53,10 @@ u32 ieee80211_mandatory_rates(struct ieee80211_supported_band *sband,
if (WARN_ON(!sband))
return 1;
- if (sband->band == NL80211_BAND_2GHZ) {
- if (scan_width == NL80211_BSS_CHAN_WIDTH_5 ||
- scan_width == NL80211_BSS_CHAN_WIDTH_10)
- mandatory_flag = IEEE80211_RATE_MANDATORY_G;
- else
- mandatory_flag = IEEE80211_RATE_MANDATORY_B;
- } else {
+ if (sband->band == NL80211_BAND_2GHZ)
+ mandatory_flag = IEEE80211_RATE_MANDATORY_B;
+ else
mandatory_flag = IEEE80211_RATE_MANDATORY_A;
- }
bitrates = sband->bitrates;
for (i = 0; i < sband->n_bitrates; i++)
@@ -1044,7 +1038,6 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev)
list_del(&ev->list);
spin_unlock_irqrestore(&wdev->event_lock, flags);
- wdev_lock(wdev);
switch (ev->type) {
case EVENT_CONNECT_RESULT:
__cfg80211_connect_result(
@@ -1066,15 +1059,14 @@ void cfg80211_process_wdev_events(struct wireless_dev *wdev)
ev->ij.channel);
break;
case EVENT_STOPPED:
- __cfg80211_leave(wiphy_to_rdev(wdev->wiphy), wdev);
+ cfg80211_leave(wiphy_to_rdev(wdev->wiphy), wdev);
break;
case EVENT_PORT_AUTHORIZED:
- __cfg80211_port_authorized(wdev, ev->pa.bssid,
+ __cfg80211_port_authorized(wdev, ev->pa.peer_addr,
ev->pa.td_bitmap,
ev->pa.td_bitmap_len);
break;
}
- wdev_unlock(wdev);
kfree(ev);
@@ -1124,9 +1116,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
return -EBUSY;
dev->ieee80211_ptr->use_4addr = false;
- wdev_lock(dev->ieee80211_ptr);
rdev_set_qos_map(rdev, dev, NULL);
- wdev_unlock(dev->ieee80211_ptr);
switch (otype) {
case NL80211_IFTYPE_AP:
@@ -1138,10 +1128,8 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
break;
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
- wdev_lock(dev->ieee80211_ptr);
cfg80211_disconnect(rdev, dev,
WLAN_REASON_DEAUTH_LEAVING, true);
- wdev_unlock(dev->ieee80211_ptr);
break;
case NL80211_IFTYPE_MESH_POINT:
/* mesh should be handled? */
@@ -1972,6 +1960,35 @@ size_t ieee80211_ie_split_ric(const u8 *ies, size_t ielen,
}
EXPORT_SYMBOL(ieee80211_ie_split_ric);
+void ieee80211_fragment_element(struct sk_buff *skb, u8 *len_pos, u8 frag_id)
+{
+ unsigned int elem_len;
+
+ if (!len_pos)
+ return;
+
+ elem_len = skb->data + skb->len - len_pos - 1;
+
+ while (elem_len > 255) {
+ /* this one is 255 */
+ *len_pos = 255;
+ /* remaining data gets smaller */
+ elem_len -= 255;
+ /* make space for the fragment ID/len in SKB */
+ skb_put(skb, 2);
+ /* shift back the remaining data to place fragment ID/len */
+ memmove(len_pos + 255 + 3, len_pos + 255 + 1, elem_len);
+ /* place the fragment ID */
+ len_pos += 255 + 1;
+ *len_pos = frag_id;
+ /* and point to fragment length to update later */
+ len_pos++;
+ }
+
+ *len_pos = elem_len;
+}
+EXPORT_SYMBOL(ieee80211_fragment_element);
+
bool ieee80211_operating_class_to_band(u8 operating_class,
enum nl80211_band *band)
{
@@ -1982,6 +1999,7 @@ bool ieee80211_operating_class_to_band(u8 operating_class,
*band = NL80211_BAND_5GHZ;
return true;
case 131 ... 135:
+ case 137:
*band = NL80211_BAND_6GHZ;
return true;
case 81:
@@ -2647,12 +2665,12 @@ void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id)
{
struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
- ASSERT_WDEV_LOCK(wdev);
+ lockdep_assert_wiphy(wdev->wiphy);
switch (wdev->iftype) {
case NL80211_IFTYPE_AP:
case NL80211_IFTYPE_P2P_GO:
- __cfg80211_stop_ap(rdev, wdev->netdev, link_id, true);
+ cfg80211_stop_ap(rdev, wdev->netdev, link_id, true);
break;
default:
/* per-link not relevant */
@@ -2677,12 +2695,10 @@ void cfg80211_remove_links(struct wireless_dev *wdev)
if (wdev->iftype != NL80211_IFTYPE_AP)
return;
- wdev_lock(wdev);
if (wdev->valid_links) {
for_each_valid_link(wdev, link_id)
cfg80211_remove_link(wdev, link_id);
}
- wdev_unlock(wdev);
}
int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev,