mac80211: add support for parsing ADDBA_EXT IEs

ADDBA_EXT IEs can be used to negotiate the BA fragmentation level.

Signed-off-by: John Crispin <john@phrozen.org>
Link: https://lore.kernel.org/r/20190713163642.18491-2-john@phrozen.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>

diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 60a142f6e28606be29600949252f73d7f0f5e1da..d21efe6726dccaa3869f74265e0d8abe2502fe93 100644 (file)
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -883,6 +883,14 @@ struct ieee80211_tpc_report_ie {
        u8 link_margin;
 } __packed;
 
+#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK    GENMASK(2, 1)
+#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT   1
+#define IEEE80211_ADDBA_EXT_NO_FRAG            BIT(0)
+
+struct ieee80211_addba_ext_ie {
+       u8 data;
+} __packed;
+
 struct ieee80211_mgmt {
        __le16 frame_control;
        __le16 duration;