wl12xx: add automatic rx streaming triggers
When rx_streaming.interval is non-zero, use automatic rx streaming.
Enable rx streaming on the each rx/tx packet, and disable it
rx_streaming.duration msecs later.
When rx_streaming.always=0 (default), rx streaming is enabled only
when there is a coex operation.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/tx.c b/drivers/net/wireless/wl12xx/tx.c
index ca3ab1c..6603e60 100644
--- a/drivers/net/wireless/wl12xx/tx.c
+++ b/drivers/net/wireless/wl12xx/tx.c
@@ -562,17 +562,29 @@
spin_unlock_irqrestore(&wl->wl_lock, flags);
}
+static bool wl1271_tx_is_data_present(struct sk_buff *skb)
+{
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)(skb->data);
+
+ return ieee80211_is_data_present(hdr->frame_control);
+}
+
void wl1271_tx_work_locked(struct wl1271 *wl)
{
struct sk_buff *skb;
u32 buf_offset = 0;
bool sent_packets = false;
+ bool had_data = false;
+ bool is_ap = (wl->bss_type == BSS_TYPE_AP_BSS);
int ret;
if (unlikely(wl->state == WL1271_STATE_OFF))
return;
while ((skb = wl1271_skb_dequeue(wl))) {
+ if (wl1271_tx_is_data_present(skb))
+ had_data = true;
+
ret = wl1271_prepare_tx_frame(wl, skb, buf_offset);
if (ret == -EAGAIN) {
/*
@@ -619,6 +631,19 @@
wl1271_handle_tx_low_watermark(wl);
}
+ if (!is_ap && wl->conf.rx_streaming.interval && had_data &&
+ (wl->conf.rx_streaming.always ||
+ test_bit(WL1271_FLAG_SOFT_GEMINI, &wl->flags))) {
+ u32 timeout = wl->conf.rx_streaming.duration;
+
+ /* enable rx streaming */
+ if (!test_bit(WL1271_FLAG_RX_STREAMING_STARTED, &wl->flags))
+ ieee80211_queue_work(wl->hw,
+ &wl->rx_streaming_enable_work);
+
+ mod_timer(&wl->rx_streaming_timer,
+ jiffies + msecs_to_jiffies(timeout));
+ }
}
void wl1271_tx_work(struct work_struct *work)