Hoist 802.11 encapsulation up into net80211:

o call ieee80211_encap in ieee80211_start so frames passed down to drivers
  are already encapsulated
o remove ieee80211_encap calls in drivers
o fixup wi so it recreates the 802.3 head it requires from the 802.11
  header contents
o move fast-frame aggregation from ath to net80211 (conditional on
  IEEE80211_SUPPORT_SUPERG):
  - aggregation is now done in ieee80211_start; it is enabled when the
    packets/sec exceeds ieee80211_ffppsmin (net.wlan.ffppsmin) and frames
    are held on a staging queue according to ieee80211_ffagemax
    (net.wlan.ffagemax) to wait for a frame to combine with
  - drivers must call back to age/flush the staging queue (ath does this
    on tx done, at swba, and on rx according to the state of the tx queues
    and/or the contents of the staging queue)
  - remove fast-frame-related data structures from ath
  - add ieee80211_ff_node_init and ieee80211_ff_node_cleanup to handle
    per-node fast-frames state (we reuse 11n tx ampdu state)
o change ieee80211_encap calling convention to include an explicit vap
  so frames coming through a WDS vap are recognized w/o setting M_WDS

With these changes any device able to tx/rx 3Kbyte+ frames can use fast-frames.

Reviewed by:	thompsa, rpaulo, avatar, imp, sephe

1 files changed, 4 insertions, 0 deletions

diff --git a/sys/net80211/ieee80211_node.c b/sys/net80211/ieee80211_node.c
index 5796c2c..1632b19 100644
--- a/sys/net80211/ieee80211_node.c
+++ b/sys/net80211/ieee80211_node.c
@@ -929,6 +929,10 @@ node_cleanup(struct ieee80211_node *ni)
 	 */
 	if (ni->ni_flags & IEEE80211_NODE_HT)
 		ieee80211_ht_node_cleanup(ni);
+#ifdef IEEE80211_SUPPORT_SUPERG
+	else if (ni->ni_ath_flags & IEEE80211_NODE_ATH)
+		ieee80211_ff_node_cleanup(ni);
+#endif
 	/*
 	 * Clear AREF flag that marks the authorization refcnt bump
 	 * has happened.  This is probably not needed as the node