diff options
author | Arik Nemtsov <arik@wizery.com> | 2012-05-10 12:13:23 +0300 |
---|---|---|
committer | Luciano Coelho <coelho@ti.com> | 2012-06-05 15:55:08 +0300 |
commit | 9c809f888370d87129d17028d515bb025fe94175 (patch) | |
tree | 970f46342b06c29ee63684ee2d605527e7bd42e3 | |
parent | 7cfefd1f2acbd5ff2a1a8846de058064bd63550a (diff) |
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: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
-rw-r--r-- | drivers/net/wireless/ti/wl18xx/main.c | 13 | ||||
-rw-r--r-- | drivers/net/wireless/ti/wlcore/rx.h | 3 |
2 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index a074d811fef..fef872608e0 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 e9a162a864c..277936e1413 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, |