From: Teemu Paasikivi <ext-teemu.3.paasikivi@xxxxxxxxx>
Added support to assiociate and use connection on 5 GHz band (802.11a).
Signed-off-by: Teemu Paasikivi <ext-teemu.3.paasikivi@xxxxxxxxx>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@xxxxxxxxx>
Signed-off-by: Luciano Coelho <luciano.coelho@xxxxxxxxx>
---
drivers/net/wireless/wl12xx/wl1271_cmd.c | 13 ++++++-
drivers/net/wireless/wl12xx/wl1271_cmd.h | 1 +
drivers/net/wireless/wl12xx/wl1271_rx.c | 57 ++++++++++++++++++++++++------
3 files changed, 58 insertions(+), 13 deletions(-)
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.c b/drivers/net/wireless/wl12xx/wl1271_cmd.c
index 6d7a40c..fe4f1e6 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.c
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.c
@@ -219,6 +219,7 @@ int wl1271_cmd_join(struct wl1271 *wl)
join->rx_config_options = wl->rx_config;
join->rx_filter_options = wl->rx_filter;
+ join->bss_type = wl->bss_type;
/*
* FIXME: disable temporarily all filters because after commit
@@ -229,12 +230,20 @@ int wl1271_cmd_join(struct wl1271 *wl)
join->rx_config_options = 0;
join->rx_filter_options = WL1271_DEFAULT_RX_FILTER;
- join->basic_rate_set = CONF_HW_BIT_RATE_1MBPS | CONF_HW_BIT_RATE_2MBPS |
+ if (wl->band == IEEE80211_BAND_2GHZ)
+ join->basic_rate_set =
+ CONF_HW_BIT_RATE_1MBPS | CONF_HW_BIT_RATE_2MBPS |
CONF_HW_BIT_RATE_5_5MBPS | CONF_HW_BIT_RATE_11MBPS;
+ else {
+ join->bss_type |= WL1271_JOIN_CMD_BSS_TYPE_5GHZ;
+ join->basic_rate_set =
+ CONF_HW_BIT_RATE_6MBPS | CONF_HW_BIT_RATE_12MBPS |
+ CONF_HW_BIT_RATE_24MBPS;
+ }
join->beacon_interval = WL1271_DEFAULT_BEACON_INT;
join->dtim_interval = WL1271_DEFAULT_DTIM_PERIOD;
- join->bss_type = wl->bss_type;
+
join->channel = wl->channel;
join->ssid_len = wl->ssid_len;
memcpy(join->ssid, wl->ssid, wl->ssid_len);
diff --git a/drivers/net/wireless/wl12xx/wl1271_cmd.h b/drivers/net/wireless/wl12xx/wl1271_cmd.h
index 3308940..15254fa 100644
--- a/drivers/net/wireless/wl12xx/wl1271_cmd.h
+++ b/drivers/net/wireless/wl12xx/wl1271_cmd.h
@@ -198,6 +198,7 @@ enum {
#define WL1271_JOIN_CMD_CTRL_TX_FLUSH 0x80 /* Firmware flushes all Tx */
#define WL1271_JOIN_CMD_TX_SESSION_OFFSET 1
+#define WL1271_JOIN_CMD_BSS_TYPE_5GHZ 0x10
struct wl1271_cmd_join {
struct wl1271_cmd_header header;
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c
index 66b83e9..1dd8458 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.c
@@ -70,6 +70,36 @@ static u8 wl1271_rx_rate_to_idx[] = {
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,
@@ -77,15 +107,21 @@ 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)
+ if ((desc->flags & WL1271_RX_DESC_BAND_MASK) ==
+ WL1271_RX_DESC_BAND_BG) {
status->band = IEEE80211_BAND_2GHZ;
- else if ((desc->flags & WL1271_RX_DESC_BAND_MASK) ==
- WL1271_RX_DESC_BAND_A)
+ 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;
- else
+ 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");
+
/*
* FIXME: Add mactime handling. For IBSS (ad-hoc) we need to get the
* timestamp from the beacon (acx_tsf_info). In BSS mode (infra) we
@@ -108,15 +144,14 @@ static void wl1271_rx_status(struct wl1271 *wl,
if (likely(!(desc->flags & WL1271_RX_DESC_DECRYPT_FAIL)))
status->flag |= RX_FLAG_DECRYPTED;
-
+ /* FIXME: Flag should be also set when using 5 GHz band.
+ * At the moment chip reports MIC failed on all packets,
+ * so flag is silently discarded.
+ */
if (unlikely(desc->flags & WL1271_RX_DESC_MIC_FAIL))
- status->flag |= RX_FLAG_MMIC_ERROR;
+ if (status->band != IEEE80211_BAND_5GHZ)
+ status->flag |= RX_FLAG_MMIC_ERROR;
}
-
- status->rate_idx = wl1271_rx_rate_to_idx[desc->rate];
-
- if (status->rate_idx == WL1271_RX_RATE_UNSUPPORTED)
- wl1271_warning("unsupported rate");
}
static void wl1271_rx_handle_data(struct wl1271 *wl, u32 length)
--
1.5.6.5
--
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