From b8042b3da925f390c1482bf9dc0898dc0b3ea7b5 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 18 Jun 2018 22:39:29 +0200
Subject: ieee80211: bump IEEE80211_MAX_AMPDU_BUF to support HE
Bump the IEEE80211_MAX_AMPDU_BUF size to 0x100 for HE support
and - for now - use IEEE80211_MAX_AMPDU_BUF_HT everywhere.
This is derived from my internal patch, parts of which Luca
had sent upstream.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
net/mac80211/agg-tx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'net/mac80211/agg-tx.c')
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index ac4295296514..86c6bc0432ba 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -514,7 +514,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
/* send AddBA request */
ieee80211_send_addba_request(sdata, sta->sta.addr, tid,
tid_tx->dialog_token, params.ssn,
- IEEE80211_MAX_AMPDU_BUF,
+ IEEE80211_MAX_AMPDU_BUF_HT,
tid_tx->timeout);
}
--
cgit v1.2.1
From 41cbb0f5a29592874355e4159489eb08337cd50e Mon Sep 17 00:00:00 2001
From: Luca Coelho <luciano.coelho@intel.com>
Date: Sat, 9 Jun 2018 09:14:44 +0300
Subject: mac80211: add support for HE
Add support for HE in mac80211 conforming with P802.11ax_D1.4.
Johannes: Fix another bug with the buf_size comparison in agg-rx.c.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Ido Yariv <idox.yariv@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
net/mac80211/agg-tx.c | 19 +++++++++++++++----
1 file changed, 15 insertions(+), 4 deletions(-)
(limited to 'net/mac80211/agg-tx.c')
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 86c6bc0432ba..69e831bc317b 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -463,6 +463,7 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
.timeout = 0,
};
int ret;
+ u16 buf_size;
tid_tx = rcu_dereference_protected_tid_tx(sta, tid);
@@ -511,11 +512,22 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid)
sta->ampdu_mlme.addba_req_num[tid]++;
spin_unlock_bh(&sta->lock);
+ if (sta->sta.he_cap.has_he) {
+ buf_size = local->hw.max_tx_aggregation_subframes;
+ } else {
+ /*
+ * We really should use what the driver told us it will
+ * transmit as the maximum, but certain APs (e.g. the
+ * LinkSys WRT120N with FW v1.0.07 build 002 Jun 18 2012)
+ * will crash when we use a lower number.
+ */
+ buf_size = IEEE80211_MAX_AMPDU_BUF_HT;
+ }
+
/* send AddBA request */
ieee80211_send_addba_request(sdata, sta->sta.addr, tid,
tid_tx->dialog_token, params.ssn,
- IEEE80211_MAX_AMPDU_BUF_HT,
- tid_tx->timeout);
+ buf_size, tid_tx->timeout);
}
/*
@@ -905,8 +917,7 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
{
struct tid_ampdu_tx *tid_tx;
struct ieee80211_txq *txq;
- u16 capab, tid;
- u8 buf_size;
+ u16 capab, tid, buf_size;
bool amsdu;
capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab);
--
cgit v1.2.1