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| author | Johannes Berg <johannes.berg@intel.com> | 2019-11-22 12:42:42 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2019-11-22 12:42:42 +0100 |
| commit | b226a826d83d66806fae20fc3518dace8b86bacb (patch) | |
| tree | ba3ef48ab5cf8305cae22a605a8667ea3c477393 | |
| parent | 13baf667fa8e23aed12516776de6e50f7617820a (diff) | |
mac80211: add a comment about monitor-to-dev injection
Add a note with a use-case for the monitor-to-dev injection
mechanism in mac80211, reported by Ben Greear.
Change-Id: I6456997ef9bc40b24ede860b6ef2fed5af49cf44
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
| -rw-r--r-- | net/mac80211/tx.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index db38be1b75fa..a53af8cd3756 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2270,6 +2270,9 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, * isn't always enough to find the interface to use; for proper * VLAN/WDS support we will need a different mechanism (which * likely isn't going to be monitor interfaces). + * + * This is necessary, for example, for old hostapd versions that + * don't use nl80211-based management TX/RX. */ sdata = IEEE80211_DEV_TO_SUB_IF(dev); |