This is the corresponding patch to mac80211.
It marks all monitor type interfaces with IFF_NO_MIRROR the reasons for
which I explained in the previous mail; it also marks the master device
with IFF_NO_MIRROR so you don't see *any* packets on the master device
(right now you see outgoing frames with 802.11 header.) We want to get
rid of it anyway so making it a bit more useless yet seems like a good
idea.
johannes
---
net/mac80211/ieee80211.c | 1 +
net/mac80211/ieee80211_iface.c | 2 ++
2 files changed, 3 insertions(+)
--- wireless-dev.orig/net/mac80211/ieee80211_iface.c 2007-08-06
21:14:37.398164177 +0200
+++ wireless-dev/net/mac80211/ieee80211_iface.c 2007-08-06 21:15:02.078164177
+0200
@@ -158,6 +158,7 @@ void ieee80211_if_set_type(struct net_de
int oldtype = sdata->type;
dev->hard_start_xmit = ieee80211_subif_start_xmit;
+ dev->flags &= ~IFF_NO_MIRROR;
sdata->type = type;
switch (type) {
@@ -216,6 +217,7 @@ void ieee80211_if_set_type(struct net_de
case IEEE80211_IF_TYPE_MNTR:
dev->type = ARPHRD_IEEE80211_RADIOTAP;
dev->hard_start_xmit = ieee80211_monitor_start_xmit;
+ dev->flags |= IFF_NO_MIRROR;
break;
default:
printk(KERN_WARNING "%s: %s: Unknown interface type 0x%x",
--- wireless-dev.orig/net/mac80211/ieee80211.c 2007-08-06 21:15:01.898164177
+0200
+++ wireless-dev/net/mac80211/ieee80211.c 2007-08-06 21:15:02.088164177
+0200
@@ -5138,6 +5138,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(
mdev->stop = ieee80211_master_stop;
mdev->type = ARPHRD_IEEE80211;
mdev->hard_header_parse = header_parse_80211;
+ mdev->flags |= IFF_NO_MIRROR;
sdata->type = IEEE80211_IF_TYPE_AP;
sdata->dev = mdev;
-
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