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wl18xx: implement hw op for getting rx buffer data alignment

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Implement the HW op for getting alignment state in wl18xx. The FW aligns
the Rx Ethernet payload data.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Arik Nemtsov 2012-05-10 12:13:23 +03:00 committed by Luciano Coelho
parent 7cfefd1f2a
commit 9c809f8883
2 changed files with 16 additions and 0 deletions
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13
drivers/net/wireless/ti/wl18xx/main.c
View File

@ -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)

3
drivers/net/wireless/ti/wlcore/rx.h
View File

@ -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,