wl12xx: AP-mode - TX queue per link in AC
When operating in AP-mode we require a per link tx-queue.
This allows us to implement HW assisted PS mode for links,
as well as regulate per-link FW TX blocks consumption.
Split each link into ACs to support future QoS for AP-mode.
AC queues are emptied in priority and per-link queues are
scheduled in a simple round-robin fashion.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
diff --git a/drivers/net/wireless/wl12xx/wl12xx.h b/drivers/net/wireless/wl12xx/wl12xx.h
index 1d6c943..9ffac80 100644
--- a/drivers/net/wireless/wl12xx/wl12xx.h
+++ b/drivers/net/wireless/wl12xx/wl12xx.h
@@ -319,6 +319,11 @@
WL1271_FLAG_AP_STARTED
};
+struct wl1271_link {
+ /* AP-mode - TX queue per AC in link */
+ struct sk_buff_head tx_queue[NUM_TX_QUEUES];
+};
+
struct wl1271 {
struct platform_device *plat_dev;
struct ieee80211_hw *hw;
@@ -498,6 +503,15 @@
/* RX BA constraint value */
bool ba_support;
u8 ba_rx_bitmap;
+
+ /*
+ * AP-mode - links indexed by HLID. The global and broadcast links
+ * are always active.
+ */
+ struct wl1271_link links[AP_MAX_LINKS];
+
+ /* the hlid of the link where the last transmitted skb came from */
+ int last_tx_hlid;
};
struct wl1271_station {