break;
case cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS):
if (unlikely(iftype != NL80211_IFTYPE_WDS &&
- iftype != NL80211_IFTYPE_MESH_POINT))
+ iftype != NL80211_IFTYPE_MESH_POINT &&
+ iftype != NL80211_IFTYPE_AP_VLAN &&
+ iftype != NL80211_IFTYPE_STATION))
return -1;
if (iftype == NL80211_IFTYPE_MESH_POINT) {
struct ieee80211s_hdr *meshdr =
!(rdev->wiphy.interface_modes & (1 << ntype)))
return -EOPNOTSUPP;
+ /* if it's part of a bridge, reject changing type to station/ibss */
+ if (dev->br_port && (ntype == NL80211_IFTYPE_ADHOC ||
+ ntype == NL80211_IFTYPE_STATION))
+ return -EBUSY;
+
if (ntype != otype) {
+ dev->ieee80211_ptr->use_4addr = false;
+
switch (otype) {
case NL80211_IFTYPE_ADHOC:
cfg80211_leave_ibss(rdev, dev, false);
WARN_ON(!err && dev->ieee80211_ptr->iftype != ntype);
+ if (!err && params && params->use_4addr != -1)
+ dev->ieee80211_ptr->use_4addr = params->use_4addr;
+
+ if (!err) {
+ dev->priv_flags &= ~IFF_DONT_BRIDGE;
+ switch (ntype) {
+ case NL80211_IFTYPE_STATION:
+ if (dev->ieee80211_ptr->use_4addr)
+ break;
+ /* fall through */
+ case NL80211_IFTYPE_ADHOC:
+ dev->priv_flags |= IFF_DONT_BRIDGE;
+ break;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_AP_VLAN:
+ case NL80211_IFTYPE_WDS:
+ case NL80211_IFTYPE_MESH_POINT:
+ /* bridging OK */
+ break;
+ case NL80211_IFTYPE_MONITOR:
+ /* monitor can't bridge anyway */
+ break;
+ case NL80211_IFTYPE_UNSPECIFIED:
+ case __NL80211_IFTYPE_AFTER_LAST:
+ /* not happening */
+ break;
+ }
+ }
+
return err;
}
+
+u16 cfg80211_calculate_bitrate(struct rate_info *rate)
+{
+ int modulation, streams, bitrate;
+
+ if (!(rate->flags & RATE_INFO_FLAGS_MCS))
+ return rate->legacy;
+
+ /* the formula below does only work for MCS values smaller than 32 */
+ if (rate->mcs >= 32)
+ return 0;
+
+ modulation = rate->mcs & 7;
+ streams = (rate->mcs >> 3) + 1;
+
+ bitrate = (rate->flags & RATE_INFO_FLAGS_40_MHZ_WIDTH) ?
+ 13500000 : 6500000;
+
+ if (modulation < 4)
+ bitrate *= (modulation + 1);
+ else if (modulation == 4)
+ bitrate *= (modulation + 2);
+ else
+ bitrate *= (modulation + 3);
+
+ bitrate *= streams;
+
+ if (rate->flags & RATE_INFO_FLAGS_SHORT_GI)
+ bitrate = (bitrate / 9) * 10;
+
+ /* do NOT round down here */
+ return (bitrate + 50000) / 100000;
+}