wl1271: Support firmware RX packet aggregation
Instead of retrieving one packet at a time from the firmware, try to
retrieve all available packets at once.
This optimization decreases the number of transactions, which saves
CPU cycles and increases network throughput.
Signed-off-by: Ido Yariv <ido@wizery.com>
Tested-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 779b130..8a4cd76 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -130,6 +130,8 @@
#define ACX_TX_DESCRIPTORS 32
+#define WL1271_AGGR_BUFFER_SIZE (4 * PAGE_SIZE)
+
enum wl1271_state {
WL1271_STATE_OFF,
WL1271_STATE_ON,
@@ -408,6 +410,9 @@
/* Rx memory pool address */
struct wl1271_rx_mem_pool_addr rx_mem_pool_addr;
+ /* Intermediate buffer, used for packet aggregation */
+ u8 *aggr_buf;
+
/* The target interrupt mask */
struct work_struct irq_work;