Use per-peer noack tid bitmap, if it is configured,
when setting up the qos header. If no per-peer configuration
is set, use the existing nedev wide noack policy configuration.
Also modifies callback set_noack_tid_bitmap() with the provision
to send per-peer NoAck policy configuration to the drivers supporting
the NoAck offload functionality (IEEE80211_HW_SUPPORTS_NOACK_POLICY).
Signed-off-by: Vasanthakumar Thiagarajan <vthia...@codeaurora.org>
---
include/net/mac80211.h | 7 +++++--
net/mac80211/cfg.c | 42 +++++++++++++++++++++++++++++++++++++-----
net/mac80211/driver-ops.h | 5 +++--
net/mac80211/iface.c | 2 +-
net/mac80211/sta_info.h | 3 +++
net/mac80211/trace.h | 9 ++++++---
net/mac80211/tx.c | 2 +-
net/mac80211/wme.c | 34 +++++++++++++++++++++++++++++++++-
8 files changed, 89 insertions(+), 15 deletions(-)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 5a49c90..a5ed552 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -3499,7 +3499,9 @@ enum ieee80211_reconfig_type {
* ieee80211_nan_func_terminated() with
* NL80211_NAN_FUNC_TERM_REASON_USER_REQUEST reason code upon removal.
*
- * @set_noack_tid_bitmap: Set NoAck policy TID bitmap for a virtual interface.
+ * @set_noack_tid_bitmap: Set NoAck policy TID bitmap. Apply the TID NoAck
+ * configuration for a particular station when @sta is non-NULL. When @sta
+ * is NULL, apply TID NoAck configuration at virtual interface level.
* Drivers advertising NoAck policy handing support
* (%IEEE80211_HW_SUPPORTS_NOACK_POLICY) must implement this callback.
*/
@@ -3785,7 +3787,8 @@ struct ieee80211_ops {
u8 instance_id);
int (*set_noack_tid_bitmap)(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif, u8 noack_map);
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, u8 noack_map);
};
/**
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 621ef38..1efc9cf 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -345,18 +345,50 @@ static int ieee80211_set_noack_map(struct wiphy *wiphy,
u16 noack_map)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct sta_info *sta;
+ int ret;
- sdata->noack_map = noack_map;
+ if (!peer) {
+ sdata->noack_map = noack_map;
- if (!ieee80211_hw_check(&sdata->local->hw, SUPPORTS_NOACK_POLICY)) {
- ieee80211_check_fast_xmit_iface(sdata);
- return 0;
+ if (!ieee80211_hw_check(&sdata->local->hw,
SUPPORTS_NOACK_POLICY)) {
+ ieee80211_check_fast_xmit_iface(sdata);
+ return 0;
+ }
+
+ if (!ieee80211_sdata_running(sdata))
+ return 0;
+
+ return drv_set_noack_tid_bitmap(sdata->local, sdata, NULL,
+ noack_map);
}
+ /* NoAck policy is for a connected client on the dev */
+
if (!ieee80211_sdata_running(sdata))
+ return -ENETDOWN;
+
+ mutex_lock(&sdata->local->sta_mtx);
+
+ sta = sta_info_get_bss(sdata, peer);
+ if (!sta) {
+ mutex_unlock(&sdata->local->sta_mtx);
+ return -ENOENT;
+ }
+
+ sta->noack_map = noack_map;
+
+ if (!ieee80211_hw_check(&sdata->local->hw, SUPPORTS_NOACK_POLICY)) {
+ ieee80211_check_fast_xmit(sta);
+ mutex_unlock(&sdata->local->sta_mtx);
return 0;
+ }
+
+ ret = drv_set_noack_tid_bitmap(sdata->local, sdata, sta, noack_map);
- return drv_set_noack_tid_bitmap(sdata->local, sdata, noack_map);
+ mutex_unlock(&sdata->local->sta_mtx);
+
+ return ret;
}
static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index a0a2d3c..8a2154a 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -1252,6 +1252,7 @@ static inline void drv_del_nan_func(struct
ieee80211_local *local,
static inline int drv_set_noack_tid_bitmap(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
+ struct sta_info *sta,
u16 noack_map)
{
int ret;
@@ -1263,9 +1264,9 @@ static inline int drv_set_noack_tid_bitmap(struct
ieee80211_local *local,
if (!local->ops->set_noack_tid_bitmap)
return -EOPNOTSUPP;
- trace_drv_set_noack_tid_bitmap(local, sdata, noack_map);
+ trace_drv_set_noack_tid_bitmap(local, sdata, &sta->sta, noack_map);
ret = local->ops->set_noack_tid_bitmap(&local->hw, &sdata->vif,
- noack_map);
+ &sta->sta, noack_map);
trace_drv_return_int(local, ret);
return ret;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 4e120b9..1172bed 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -633,7 +633,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool
coming_up)
goto err_del_interface;
if (sdata->noack_map)
- drv_set_noack_tid_bitmap(local, sdata,
+ drv_set_noack_tid_bitmap(local, sdata, NULL,
sdata->noack_map);
}
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index f64eb86..01bee75 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -581,6 +581,9 @@ struct sta_info {
struct cfg80211_chan_def tdls_chandef;
+ /* TID bitmap for station's NoAck policy */
+ u16 noack_map;
+
/* keep last! */
struct ieee80211_sta sta;
};
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 3b55569..84089f7 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -1866,25 +1866,28 @@ struct trace_switch_entry {
TRACE_EVENT(drv_set_noack_tid_bitmap,
TP_PROTO(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata,
+ struct ieee80211_sta *sta,
u16 noack_map),
- TP_ARGS(local, sdata, noack_map),
+ TP_ARGS(local, sdata, sta, noack_map),
TP_STRUCT__entry(
LOCAL_ENTRY
VIF_ENTRY
+ STA_ENTRY
__field(u16, noack_map)
),
TP_fast_assign(
LOCAL_ASSIGN;
VIF_ASSIGN;
+ STA_ASSIGN;
__entry->noack_map = noack_map;
),
TP_printk(
- LOCAL_PR_FMT VIF_PR_FMT
+ LOCAL_PR_FMT VIF_PR_FMT STA_PR_FMT
", noack_map: %u",
- LOCAL_PR_ARG, VIF_PR_ARG, __entry->noack_map
+ LOCAL_PR_ARG, VIF_PR_ARG, STA_PR_ARG, __entry->noack_map
)
);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 27fcef3..5abe73b 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2817,7 +2817,7 @@ void ieee80211_check_fast_xmit(struct sta_info *sta)
test_sta_flag(sta, WLAN_STA_CLEAR_PS_FILT))
goto out;
- if (sdata->noack_map &&
+ if ((sdata->noack_map || sta->noack_map) &&
!ieee80211_hw_check(&local->hw, SUPPORTS_NOACK_POLICY))
goto out;
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 6512a47..645c50b 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -227,6 +227,38 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data
*sdata,
}
/**
+ * ieee80211_get_noack_map - Get TID bitmap of NoAck policy. NoAck policy
+ * could be device wide or per-station.
+ *
+ * @sdata: local subif
+ * @mac: MAC address of the receiver
+ */
+u16 ieee80211_get_noack_map(struct ieee80211_sub_if_data *sdata, const u8 *mac)
+{
+ struct sta_info *sta;
+ u16 noack_map = 0;
+
+ /* Retrieve per-station noack_map config for the receiver, if any */
+
+ rcu_read_lock();
+
+ sta = sta_info_get(sdata, mac);
+ if (!sta) {
+ rcu_read_unlock();
+ return noack_map;
+ }
+
+ noack_map = sta->noack_map;
+
+ rcu_read_unlock();
+
+ if (!noack_map)
+ noack_map = sdata->noack_map;
+
+ return noack_map;
+}
+
+/**
* ieee80211_set_qos_hdr - Fill in the QoS header if there is one.
*
* @sdata: local subif
@@ -257,7 +289,7 @@ void ieee80211_set_qos_hdr(struct ieee80211_sub_if_data
*sdata,
if (is_multicast_ether_addr(hdr->addr1) ||
(!ieee80211_hw_check(&sdata->local->hw, SUPPORTS_NOACK_POLICY) &&
- sdata->noack_map & BIT(tid))) {
+ ieee80211_get_noack_map(sdata, hdr->addr1) & BIT(tid))) {
flags |= IEEE80211_QOS_CTL_ACK_POLICY_NOACK;
info->flags |= IEEE80211_TX_CTL_NO_ACK;
}
--
1.9.1
