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wifi: mac80211: filter on monitor interfaces based on configured channel

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When a monitor interface has an assigned channel (only happens with the
NO_VIRTUAL_MONITOR feature), only pass packets received on that channel.
This is useful for monitoring on multiple channels at the same time using
multiple monitor interfaces.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/1bbe55107ba0f2e62ea90f305faeb7ba9247ef29.1728462320.git-series.nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Felix Fietkau 2024-10-09 10:25:52 +02:00 committed by Johannes Berg
parent 342afe693e
commit f92e0cf19a
1 changed files with 7 additions and 0 deletions
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7
net/mac80211/rx.c
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@ -837,6 +837,13 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
ieee80211_handle_mu_mimo_mon(monitor_sdata, origskb, rtap_space);
list_for_each_entry_rcu(sdata, &local->mon_list, u.mntr.list) {
struct cfg80211_chan_def *chandef;
chandef = &sdata->vif.bss_conf.chanreq.oper;
if (chandef->chan &&
chandef->chan->center_freq != status->freq)
continue;
if (!prev_sdata) {
prev_sdata = sdata;
continue;