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mac80211: backport EAP fix from r26016

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git-svn-id: svn://svn.openwrt.org/openwrt/branches/backfire@26020 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2011-03-10 19:04:31 +00:00
parent a1f09a42a5
commit f295c2853f
1 changed files with 67 additions and 0 deletions
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67
package/mac80211/patches/580-mac80211_redirect_vlan_eap_frames.patch Normal file
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@ -0,0 +1,67 @@
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1582,7 +1582,7 @@ ieee80211_drop_unencrypted_mgmt(struct i
}
static int
-__ieee80211_data_to_8023(struct ieee80211_rx_data *rx)
+__ieee80211_data_to_8023(struct ieee80211_rx_data *rx, bool *port_control)
{
struct ieee80211_sub_if_data *sdata = rx->sdata;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
@@ -1590,6 +1590,7 @@ __ieee80211_data_to_8023(struct ieee8021
struct ethhdr *ehdr;
int ret;
+ *port_control = false;
if (ieee80211_has_a4(hdr->frame_control) &&
sdata->vif.type == NL80211_IFTYPE_AP_VLAN && !sdata->u.vlan.sta)
return -1;
@@ -1608,11 +1609,14 @@ __ieee80211_data_to_8023(struct ieee8021
return -1;
ret = ieee80211_data_to_8023(rx->skb, sdata->vif.addr, sdata->vif.type);
- if (ret < 0 || !check_port_control)
+ if (ret < 0)
return ret;
ehdr = (struct ethhdr *) rx->skb->data;
- if (ehdr->h_proto != rx->sdata->control_port_protocol)
+ if (ehdr->h_proto == rx->sdata->control_port_protocol)
+ *port_control = true;
+
+ if (check_port_control && !*port_control)
return -1;
return 0;
@@ -1913,6 +1917,7 @@ ieee80211_rx_h_data(struct ieee80211_rx_
struct net_device *dev = sdata->dev;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)rx->skb->data;
__le16 fc = hdr->frame_control;
+ bool port_control;
int err;
if (unlikely(!ieee80211_is_data(hdr->frame_control)))
@@ -1929,13 +1934,21 @@ ieee80211_rx_h_data(struct ieee80211_rx_
sdata->vif.type == NL80211_IFTYPE_AP)
return RX_DROP_MONITOR;
- err = __ieee80211_data_to_8023(rx);
+ err = __ieee80211_data_to_8023(rx, &port_control);
if (unlikely(err))
return RX_DROP_UNUSABLE;
if (!ieee80211_frame_allowed(rx, fc))
return RX_DROP_MONITOR;
+ if (rx->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
+ unlikely(port_control) && sdata->bss) {
+ sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
+ u.ap);
+ dev = sdata->dev;
+ rx->sdata = sdata;
+ }
+
rx->skb->dev = dev;
dev->stats.rx_packets++;