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path: root/drivers/net/wireless/wl12xx/wl1271_rx.c
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Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1271_rx.c')
-rw-r--r--drivers/net/wireless/wl12xx/wl1271_rx.c94
1 files changed, 11 insertions, 83 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c
index c723d9c7e131..57f4bfd959c8 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.c
@@ -27,7 +27,6 @@
#include "wl1271_acx.h"
#include "wl1271_reg.h"
#include "wl1271_rx.h"
-#include "wl1271_spi.h"
#include "wl1271_io.h"
static u8 wl1271_rx_get_mem_block(struct wl1271_fw_status *status,
@@ -44,66 +43,6 @@ static u32 wl1271_rx_get_buf_size(struct wl1271_fw_status *status,
RX_BUF_SIZE_MASK) >> RX_BUF_SIZE_SHIFT_DIV;
}
-/* The values of this table must match the wl1271_rates[] array */
-static u8 wl1271_rx_rate_to_idx[] = {
- /* MCS rates are used only with 11n */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS7 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS6 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS5 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS4 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS3 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS2 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS1 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS0 */
-
- 11, /* WL1271_RATE_54 */
- 10, /* WL1271_RATE_48 */
- 9, /* WL1271_RATE_36 */
- 8, /* WL1271_RATE_24 */
-
- /* TI-specific rate */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_22 */
-
- 7, /* WL1271_RATE_18 */
- 6, /* WL1271_RATE_12 */
- 3, /* WL1271_RATE_11 */
- 5, /* WL1271_RATE_9 */
- 4, /* WL1271_RATE_6 */
- 2, /* WL1271_RATE_5_5 */
- 1, /* WL1271_RATE_2 */
- 0 /* WL1271_RATE_1 */
-};
-
-/* The values of this table must match the wl1271_rates[] array */
-static u8 wl1271_5_ghz_rx_rate_to_idx[] = {
- /* MCS rates are used only with 11n */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS7 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS6 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS5 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS4 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS3 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS2 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS1 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_MCS0 */
-
- 7, /* WL1271_RATE_54 */
- 6, /* WL1271_RATE_48 */
- 5, /* WL1271_RATE_36 */
- 4, /* WL1271_RATE_24 */
-
- /* TI-specific rate */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_22 */
-
- 3, /* WL1271_RATE_18 */
- 2, /* WL1271_RATE_12 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_11 */
- 1, /* WL1271_RATE_9 */
- 0, /* WL1271_RATE_6 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_5_5 */
- WL1271_RX_RATE_UNSUPPORTED, /* WL1271_RATE_2 */
- WL1271_RX_RATE_UNSUPPORTED /* WL1271_RATE_1 */
-};
-
static void wl1271_rx_status(struct wl1271 *wl,
struct wl1271_rx_descriptor *desc,
struct ieee80211_rx_status *status,
@@ -111,20 +50,8 @@ static void wl1271_rx_status(struct wl1271 *wl,
{
memset(status, 0, sizeof(struct ieee80211_rx_status));
- if ((desc->flags & WL1271_RX_DESC_BAND_MASK) ==
- WL1271_RX_DESC_BAND_BG) {
- status->band = IEEE80211_BAND_2GHZ;
- status->rate_idx = wl1271_rx_rate_to_idx[desc->rate];
- } else if ((desc->flags & WL1271_RX_DESC_BAND_MASK) ==
- WL1271_RX_DESC_BAND_A) {
- status->band = IEEE80211_BAND_5GHZ;
- status->rate_idx = wl1271_5_ghz_rx_rate_to_idx[desc->rate];
- } else
- wl1271_warning("unsupported band 0x%x",
- desc->flags & WL1271_RX_DESC_BAND_MASK);
-
- if (unlikely(status->rate_idx == WL1271_RX_RATE_UNSUPPORTED))
- wl1271_warning("unsupported rate");
+ status->band = wl->band;
+ status->rate_idx = wl1271_rate_to_idx(wl, desc->rate);
/*
* FIXME: Add mactime handling. For IBSS (ad-hoc) we need to get the
@@ -134,13 +61,6 @@ static void wl1271_rx_status(struct wl1271 *wl,
*/
status->signal = desc->rssi;
- /*
- * FIXME: In wl1251, the SNR should be divided by two. In wl1271 we
- * need to divide by two for now, but TI has been discussing about
- * changing it. This needs to be rechecked.
- */
- status->noise = desc->rssi - (desc->snr >> 1);
-
status->freq = ieee80211_channel_to_frequency(desc->channel);
if (desc->flags & WL1271_RX_DESC_ENCRYPT_MASK) {
@@ -162,6 +82,13 @@ static void wl1271_rx_handle_data(struct wl1271 *wl, u32 length)
u8 *buf;
u8 beacon = 0;
+ /*
+ * In PLT mode we seem to get frames and mac80211 warns about them,
+ * workaround this by not retrieving them at all.
+ */
+ if (unlikely(wl->state == WL1271_STATE_PLT))
+ return;
+
skb = __dev_alloc_skb(length, GFP_KERNEL);
if (!skb) {
wl1271_error("Couldn't allocate RX frame");
@@ -220,6 +147,7 @@ void wl1271_rx(struct wl1271 *wl, struct wl1271_fw_status *status)
wl->rx_counter++;
drv_rx_counter = wl->rx_counter & NUM_RX_PKT_DESC_MOD_MASK;
- wl1271_write32(wl, RX_DRIVER_COUNTER_ADDRESS, wl->rx_counter);
}
+
+ wl1271_write32(wl, RX_DRIVER_COUNTER_ADDRESS, wl->rx_counter);
}