Implement the HW op for getting alignment state in wl18xx. The FW aligns
the Rx Ethernet payload data.
Signed-off-by: Arik Nemtsov <arik@xxxxxxxxxx>
---
drivers/net/wireless/ti/wl18xx/main.c | 13 +++++++++++++
drivers/net/wireless/ti/wlcore/rx.h | 3 +++
2 files changed, 16 insertions(+)
diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c
index a074d81..fef8726 100644
--- a/drivers/net/wireless/ti/wl18xx/main.c
+++ b/drivers/net/wireless/ti/wl18xx/main.c
@@ -27,6 +27,8 @@
#include "../wlcore/io.h"
#include "../wlcore/acx.h"
#include "../wlcore/tx.h"
+#include "../wlcore/rx.h"
+#include "../wlcore/io.h"
#include "../wlcore/boot.h"
#include "reg.h"
@@ -447,6 +449,16 @@ wl18xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
desc->wl18xx_mem.total_mem_blocks);
}
+static enum wl_rx_buf_align
+wl18xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc)
+{
+ if (rx_desc & RX_BUF_PADDED_PAYLOAD)
+ return WLCORE_RX_BUF_PADDED;
+
+ return WLCORE_RX_BUF_ALIGNED;
+}
+
+
static struct wlcore_ops wl18xx_ops = {
.identify_chip = wl18xx_identify_chip,
.boot = wl18xx_boot,
@@ -455,6 +467,7 @@ static struct wlcore_ops wl18xx_ops = {
.calc_tx_blocks = wl18xx_calc_tx_blocks,
.set_tx_desc_blocks = wl18xx_set_tx_desc_blocks,
.set_tx_desc_data_len = wl18xx_set_tx_desc_data_len,
+ .get_rx_buf_align = wl18xx_get_rx_buf_align,
};
int __devinit wl18xx_probe(struct platform_device *pdev)
diff --git a/drivers/net/wireless/ti/wlcore/rx.h b/drivers/net/wireless/ti/wlcore/rx.h
index e9a162a..277936e 100644
--- a/drivers/net/wireless/ti/wlcore/rx.h
+++ b/drivers/net/wireless/ti/wlcore/rx.h
@@ -102,6 +102,9 @@
/* If set, the start of IP payload is not 4 bytes aligned */
#define RX_BUF_UNALIGNED_PAYLOAD BIT(20)
+/* If set, the buffer was padded by the FW to be 4 bytes aligned */
+#define RX_BUF_PADDED_PAYLOAD BIT(30)
+
/* Describes the alignment state of a Rx buffer */
enum wl_rx_buf_align {
WLCORE_RX_BUF_ALIGNED,
--
1.7.9.5
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