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Commit 9c809f88 authored by Arik Nemtsov's avatar Arik Nemtsov Committed by Luciano Coelho
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wl18xx: implement hw op for getting rx buffer data alignment 



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

Signed-off-by: default avatarArik Nemtsov <arik@wizery.com>
Signed-off-by: default avatarLuciano Coelho <coelho@ti.com>
parent 7cfefd1f

drivers/net/wireless/ti/wl18xx/main.c

+13 −0
Original line number Diff line number Diff line
@@ -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)

drivers/net/wireless/ti/wlcore/rx.h

+3 −0
Original line number Diff line number Diff line
@@ -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,