Author: adrian
Date: Fri Sep 18 05:01:05 2015
New Revision: 287948
URL: https://svnweb.freebsd.org/changeset/base/287948
Log:
Add an external facing function to manually set the RX A-MPDU parameters
for re-ordering.
Devices like if_rsu don't pass through action/management frames but do send
firmware commands to inform us of things. One of those notifications is
the RX A-MPDU negotiated parameters.
Modified:
head/sys/net80211/ieee80211_ht.c
head/sys/net80211/ieee80211_ht.h
Modified: head/sys/net80211/ieee80211_ht.c
==============================================================================
--- head/sys/net80211/ieee80211_ht.c Fri Sep 18 04:12:11 2015
(r287947)
+++ head/sys/net80211/ieee80211_ht.c Fri Sep 18 05:01:05 2015
(r287948)
@@ -558,6 +558,43 @@ ampdu_rx_start(struct ieee80211_node *ni
}
/*
+ * Public function; manually setup the RX ampdu state.
+ */
+int
+ieee80211_ampdu_rx_start_ext(struct ieee80211_node *ni, int tid, int seq, int
baw)
+{
+ struct ieee80211_rx_ampdu *rap;
+
+ /* XXX TODO: sanity check tid, seq, baw */
+
+ rap = &ni->ni_rx_ampdu[tid];
+
+ if (rap->rxa_flags & IEEE80211_AGGR_RUNNING) {
+ /*
+ * AMPDU previously setup and not terminated with a DELBA,
+ * flush the reorder q's in case anything remains.
+ */
+ ampdu_rx_purge(rap);
+ }
+
+ memset(rap, 0, sizeof(*rap));
+ rap->rxa_wnd = (baw== 0) ?
+ IEEE80211_AGGR_BAWMAX : min(baw, IEEE80211_AGGR_BAWMAX);
+ rap->rxa_start = seq;
+ rap->rxa_flags |= IEEE80211_AGGR_RUNNING | IEEE80211_AGGR_XCHGPEND;
+
+ IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_11N, ni,
+ "%s: tid=%d, start=%d, wnd=%d, flags=0x%08x\n",
+ __func__,
+ tid,
+ seq,
+ rap->rxa_wnd,
+ rap->rxa_flags);
+
+ return 0;
+}
+
+/*
* Stop A-MPDU rx processing for the specified TID.
*/
static void
Modified: head/sys/net80211/ieee80211_ht.h
==============================================================================
--- head/sys/net80211/ieee80211_ht.h Fri Sep 18 04:12:11 2015
(r287947)
+++ head/sys/net80211/ieee80211_ht.h Fri Sep 18 05:01:05 2015
(r287948)
@@ -200,4 +200,7 @@ uint8_t *ieee80211_add_htinfo_vendor(uin
struct ieee80211_beacon_offsets;
void ieee80211_ht_update_beacon(struct ieee80211vap *,
struct ieee80211_beacon_offsets *);
+int ieee80211_ampdu_rx_start_ext(struct ieee80211_node *ni, int tid,
+ int seq, int baw);
+
#endif /* _NET80211_IEEE80211_HT_H_ */
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