提交 7dff3125 编写于 作者: J Jouni Malinen 提交者: John W. Linville

mac80211: Fix frame injection using non-AP vif

In order for frame injection to work properly for some use cases
(e.g., finding the station entry and keys for encryption), mac80211
needs to find the correct sdata entry. This works when the main vif
is in AP mode, but commit a2c1e3da
broke this particular use case for station main vif. While this type of
injection is quite unusual operation, it has some uses and we should fix
it. Do this by changing the monitor vif sdata selection to allow station
vif to be selected instead of limiting it to just AP vifs. We still need
to skip some iftypes to avoid selecting unsuitable vif for injection.
Signed-off-by: NJouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 46047784
......@@ -1587,7 +1587,12 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
list) {
if (!ieee80211_sdata_running(tmp_sdata))
continue;
if (tmp_sdata->vif.type != NL80211_IFTYPE_AP)
if (tmp_sdata->vif.type ==
NL80211_IFTYPE_MONITOR ||
tmp_sdata->vif.type ==
NL80211_IFTYPE_AP_VLAN ||
tmp_sdata->vif.type ==
NL80211_IFTYPE_WDS)
continue;
if (compare_ether_addr(tmp_sdata->vif.addr,
hdr->addr2) == 0) {
......
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