* [PATCH v4 01/03] wl1271: 11n Support, Add Definitions
2010-10-13 14:09 [PATCH v4 00/03] wl1271: 11n Support, add support to 80211n spec Shahar Levi
@ 2010-10-13 14:09 ` Shahar Levi
2010-10-13 14:09 ` [PATCH v4 02/03] wl1271: 11n Support, ACX Commands Shahar Levi
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Shahar Levi @ 2010-10-13 14:09 UTC (permalink / raw)
To: linux-wireless; +Cc: Luciano Coelho
Two acx commands: ht_capabilities & ht_information, 11n sta capabilities macro.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
---
drivers/net/wireless/wl12xx/wl1271.h | 11 ++++-
drivers/net/wireless/wl12xx/wl1271_acx.h | 81 +++++++++++++++++++++++++++++
drivers/net/wireless/wl12xx/wl1271_main.c | 15 +++++
3 files changed, 106 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/wl12xx/wl1271.h b/drivers/net/wireless/wl12xx/wl1271.h
index 8a4cd76..45a2583 100644
--- a/drivers/net/wireless/wl12xx/wl1271.h
+++ b/drivers/net/wireless/wl12xx/wl1271.h
@@ -432,7 +432,12 @@ struct wl1271 {
/* Our association ID */
u16 aid;
- /* currently configured rate set */
+ /*
+ * currently configured rate set:
+ * bits 0-15 - 802.11abg rates
+ * bits 16-23 - 802.11n MCS index mask
+ * support only 1 stream, thus only 8 bits for the MCS rates (0-7).
+ */
u32 sta_rate_set;
u32 basic_rate_set;
u32 basic_rate;
@@ -509,4 +514,8 @@ int wl1271_plt_stop(struct wl1271 *wl);
#define WL1271_PRE_POWER_ON_SLEEP 20 /* in miliseconds */
#define WL1271_POWER_ON_SLEEP 200 /* in miliseconds */
+/* Macros to handle wl1271.sta_rate_set */
+#define HW_BG_RATES_MASK 0xffff
+#define HW_HT_RATES_OFFSET 16
+
#endif
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index ebb341d..72597a2 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -964,6 +964,87 @@ struct wl1271_acx_rssi_snr_avg_weights {
u8 snr_data;
};
+/*
+ * ACX_PEER_HT_CAP
+ * Configure HT capabilities - declare the capabilities of the peer
+ * we are connected to.
+ */
+struct wl1271_acx_ht_capabilities {
+ struct acx_header header;
+
+ /*
+ * bit 0 - Allow HT Operation
+ * bit 1 - Allow Greenfield format in TX
+ * bit 2 - Allow Short GI in TX
+ * bit 3 - Allow L-SIG TXOP Protection in TX
+ * bit 4 - Allow HT Control fields in TX.
+ * Note, driver will still leave space for HT control in packets
+ * regardless of the value of this field. FW will be responsible
+ * to drop the HT field from any frame when this Bit set to 0.
+ * bit 5 - Allow RD initiation in TXOP. FW is allowed to initate RD.
+ * Exact policy setting for this feature is TBD.
+ * Note, this bit can only be set to 1 if bit 3 is set to 1.
+ */
+ __le32 ht_capabilites;
+
+ /*
+ * Indicates to which peer these capabilities apply.
+ * For infrastructure use ff:ff:ff:ff:ff:ff that indicates relevance
+ * for all peers.
+ * Only valid for IBSS/DLS operation.
+ */
+ u8 mac_address[ETH_ALEN];
+
+ /*
+ * This the maximum A-MPDU length supported by the AP. The FW may not
+ * exceed this length when sending A-MPDUs
+ */
+ u8 ampdu_max_length;
+
+ /* This is the minimal spacing required when sending A-MPDUs to the AP*/
+ u8 ampdu_min_spacing;
+} __packed;
+
+/* HT Capabilites Fw Bit Mask Mapping */
+#define WL1271_ACX_FW_CAP_HT_OPERATION BIT(0)
+#define WL1271_ACX_FW_CAP_GREENFIELD_FRAME_FORMAT BIT(1)
+#define WL1271_ACX_FW_CAP_SHORT_GI_FOR_20MHZ_PACKETS BIT(2)
+#define WL1271_ACX_FW_CAP_LSIG_TXOP_PROTECTION BIT(3)
+#define WL1271_ACX_FW_CAP_HT_CONTROL_FIELDS BIT(4)
+#define WL1271_ACX_FW_CAP_RD_INITIATION BIT(5)
+
+
+/*
+ * ACX_HT_BSS_OPERATION
+ * Configure HT capabilities - AP rules for behavior in the BSS.
+ */
+struct wl1271_acx_ht_information {
+ struct acx_header header;
+
+ /* Values: 0 - RIFS not allowed, 1 - RIFS allowed */
+ u8 rifs_mode;
+
+ /* Values: 0 - 3 like in spec */
+ u8 ht_protection;
+
+ /* Values: 0 - GF protection not required, 1 - GF protection required */
+ u8 gf_protection;
+
+ /*Values: 0 - TX Burst limit not required, 1 - TX Burst Limit required*/
+ u8 ht_tx_burst_limit;
+
+ /*
+ * Values: 0 - Dual CTS protection not required,
+ * 1 - Dual CTS Protection required
+ * Note: When this value is set to 1 FW will protect all TXOP with RTS
+ * frame and will not use CTS-to-self regardless of the value of the
+ * ACX_CTS_PROTECTION information element
+ */
+ u8 dual_cts_protection;
+
+ u8 padding[3];
+} __packed;
+
struct wl1271_acx_fw_tsf_information {
struct acx_header header;
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index 48a4b99..a585815 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -2134,6 +2134,21 @@ static const u8 wl1271_rate_to_idx_2ghz[] = {
0 /* CONF_HW_RXTX_RATE_1 */
};
+/* 11n STA capabilities */
+#define HW_RX_HIGHEST_RATE 72
+
+#define WL1271_HT_CAP { \
+ .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20, \
+ .ht_supported = true, \
+ .ampdu_factor = IEEE80211_HT_MAX_AMPDU_8K, \
+ .ampdu_density = IEEE80211_HT_MPDU_DENSITY_8, \
+ .mcs = { \
+ .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, \
+ .rx_highest = cpu_to_le16(HW_RX_HIGHEST_RATE), \
+ .tx_params = IEEE80211_HT_MCS_TX_DEFINED, \
+ }, \
+}
+
/* can't be const, mac80211 writes to this */
static struct ieee80211_supported_band wl1271_band_2ghz = {
.channels = wl1271_channels,
--
1.6.0.4
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH v4 02/03] wl1271: 11n Support, ACX Commands
2010-10-13 14:09 [PATCH v4 00/03] wl1271: 11n Support, add support to 80211n spec Shahar Levi
2010-10-13 14:09 ` [PATCH v4 01/03] wl1271: 11n Support, Add Definitions Shahar Levi
@ 2010-10-13 14:09 ` Shahar Levi
2010-10-13 14:09 ` [PATCH v4 03/03] wl1271: 11n Support, functionality and configuration ability Shahar Levi
2010-10-18 14:09 ` [PATCH v4 00/03] wl1271: 11n Support, add support to 80211n spec Luciano Coelho
3 siblings, 0 replies; 5+ messages in thread
From: Shahar Levi @ 2010-10-13 14:09 UTC (permalink / raw)
To: linux-wireless; +Cc: Luciano Coelho
Added ACX command to the FW for 11n support.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
---
drivers/net/wireless/wl12xx/wl1271_acx.c | 83 ++++++++++++++++++++++++++++++
drivers/net/wireless/wl12xx/wl1271_acx.h | 5 ++
2 files changed, 88 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.c b/drivers/net/wireless/wl12xx/wl1271_acx.c
index 6189934..7bea322 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.c
@@ -1226,6 +1226,89 @@ out:
return ret;
}
+int wl1271_acx_set_ht_capabilities(struct wl1271 *wl,
+ struct ieee80211_sta_ht_cap *ht_cap,
+ bool allow_ht_operation)
+{
+ struct wl1271_acx_ht_capabilities *acx;
+ u8 mac_address[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+ int ret = 0;
+
+ wl1271_debug(DEBUG_ACX, "acx ht capabilities setting");
+
+ acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+ if (!acx) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ /* Allow HT Operation ? */
+ if (allow_ht_operation) {
+ acx->ht_capabilites =
+ WL1271_ACX_FW_CAP_HT_OPERATION;
+ if (ht_cap->cap & IEEE80211_HT_CAP_GRN_FLD)
+ acx->ht_capabilites |=
+ WL1271_ACX_FW_CAP_GREENFIELD_FRAME_FORMAT;
+ if (ht_cap->cap & IEEE80211_HT_CAP_SGI_20)
+ acx->ht_capabilites |=
+ WL1271_ACX_FW_CAP_SHORT_GI_FOR_20MHZ_PACKETS;
+ if (ht_cap->cap & IEEE80211_HT_CAP_LSIG_TXOP_PROT)
+ acx->ht_capabilites |=
+ WL1271_ACX_FW_CAP_LSIG_TXOP_PROTECTION;
+
+ /* get data from A-MPDU parameters field */
+ acx->ampdu_max_length = ht_cap->ampdu_factor;
+ acx->ampdu_min_spacing = ht_cap->ampdu_density;
+
+ memcpy(acx->mac_address, mac_address, ETH_ALEN);
+ } else { /* HT operations are not allowed */
+ acx->ht_capabilites = 0;
+ }
+
+ ret = wl1271_cmd_configure(wl, ACX_PEER_HT_CAP, acx, sizeof(*acx));
+ if (ret < 0) {
+ wl1271_warning("acx ht capabilities setting failed: %d", ret);
+ goto out;
+ }
+
+out:
+ kfree(acx);
+ return ret;
+}
+
+int wl1271_acx_set_ht_information(struct wl1271 *wl,
+ u16 ht_operation_mode)
+{
+ struct wl1271_acx_ht_information *acx;
+ int ret = 0;
+
+ wl1271_debug(DEBUG_ACX, "acx ht information setting");
+
+ acx = kzalloc(sizeof(*acx), GFP_KERNEL);
+ if (!acx) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ acx->ht_protection =
+ (u8)(ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION);
+ acx->rifs_mode = 0;
+ acx->gf_protection = 0;
+ acx->ht_tx_burst_limit = 0;
+ acx->dual_cts_protection = 0;
+
+ ret = wl1271_cmd_configure(wl, ACX_HT_BSS_OPERATION, acx, sizeof(*acx));
+
+ if (ret < 0) {
+ wl1271_warning("acx ht information setting failed: %d", ret);
+ goto out;
+ }
+
+out:
+ kfree(acx);
+ return ret;
+}
+
int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime)
{
struct wl1271_acx_fw_tsf_information *tsf_info;
diff --git a/drivers/net/wireless/wl12xx/wl1271_acx.h b/drivers/net/wireless/wl12xx/wl1271_acx.h
index 72597a2..35b0ccf 100644
--- a/drivers/net/wireless/wl12xx/wl1271_acx.h
+++ b/drivers/net/wireless/wl12xx/wl1271_acx.h
@@ -1174,6 +1174,11 @@ int wl1271_acx_keep_alive_config(struct wl1271 *wl, u8 index, u8 tpl_valid);
int wl1271_acx_rssi_snr_trigger(struct wl1271 *wl, bool enable,
s16 thold, u8 hyst);
int wl1271_acx_rssi_snr_avg_weights(struct wl1271 *wl);
+int wl1271_acx_set_ht_capabilities(struct wl1271 *wl,
+ struct ieee80211_sta_ht_cap *ht_cap,
+ bool allow_ht_operation);
+int wl1271_acx_set_ht_information(struct wl1271 *wl,
+ u16 ht_operation_mode);
int wl1271_acx_tsf_info(struct wl1271 *wl, u64 *mactime);
#endif /* __WL1271_ACX_H__ */
--
1.6.0.4
^ permalink raw reply related [flat|nested] 5+ messages in thread* [PATCH v4 03/03] wl1271: 11n Support, functionality and configuration ability
2010-10-13 14:09 [PATCH v4 00/03] wl1271: 11n Support, add support to 80211n spec Shahar Levi
2010-10-13 14:09 ` [PATCH v4 01/03] wl1271: 11n Support, Add Definitions Shahar Levi
2010-10-13 14:09 ` [PATCH v4 02/03] wl1271: 11n Support, ACX Commands Shahar Levi
@ 2010-10-13 14:09 ` Shahar Levi
2010-10-18 14:09 ` [PATCH v4 00/03] wl1271: 11n Support, add support to 80211n spec Luciano Coelho
3 siblings, 0 replies; 5+ messages in thread
From: Shahar Levi @ 2010-10-13 14:09 UTC (permalink / raw)
To: linux-wireless; +Cc: Luciano Coelho
Add 11n ability in scan, connection and using MCS rates.
The configuration is temporary due to the code incomplete and
still in testing process. That plans to be remove in the future.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
---
drivers/net/wireless/wl12xx/Kconfig | 10 +++
drivers/net/wireless/wl12xx/wl1271_main.c | 96 +++++++++++++++++++++++------
drivers/net/wireless/wl12xx/wl1271_rx.c | 6 ++
drivers/net/wireless/wl12xx/wl1271_tx.c | 11 ++++
4 files changed, 103 insertions(+), 18 deletions(-)
diff --git a/drivers/net/wireless/wl12xx/Kconfig b/drivers/net/wireless/wl12xx/Kconfig
index 4a8bb25..36deb6e 100644
--- a/drivers/net/wireless/wl12xx/Kconfig
+++ b/drivers/net/wireless/wl12xx/Kconfig
@@ -52,6 +52,16 @@ config WL1271
If you choose to build a module, it'll be called wl1271. Say N if
unsure.
+config WL1271_HT
+ bool "TI wl1271 802.11 HT support (EXPERIMENTAL)"
+ depends on WL1271 && EXPERIMENTAL
+ default n
+ ---help---
+ This will enable 802.11 HT support for TI wl1271 chipset.
+
+ That configuration is temporary due to the code incomplete and
+ still in testing process.
+
config WL1271_SPI
tristate "TI wl1271 SPI support"
depends on WL1271 && SPI_MASTER
diff --git a/drivers/net/wireless/wl12xx/wl1271_main.c b/drivers/net/wireless/wl12xx/wl1271_main.c
index a585815..8d2b67c 100644
--- a/drivers/net/wireless/wl12xx/wl1271_main.c
+++ b/drivers/net/wireless/wl12xx/wl1271_main.c
@@ -851,12 +851,32 @@ static int wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
struct ieee80211_sta *sta = txinfo->control.sta;
unsigned long flags;
- /* peek into the rates configured in the STA entry */
+ /*
+ * peek into the rates configured in the STA entry.
+ * The rates set after connection stage, The first block only BG sets:
+ * the compare is for bit 0-16 of sta_rate_set. The second block add
+ * HT rates in case of HT supported.
+ */
spin_lock_irqsave(&wl->wl_lock, flags);
- if (sta && sta->supp_rates[conf->channel->band] != wl->sta_rate_set) {
+ if (sta &&
+ (sta->supp_rates[conf->channel->band] !=
+ (wl->sta_rate_set & HW_BG_RATES_MASK))) {
wl->sta_rate_set = sta->supp_rates[conf->channel->band];
set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags);
}
+
+#ifdef CONFIG_WL1271_HT
+ if (sta &&
+ sta->ht_cap.ht_supported &&
+ ((wl->sta_rate_set >> HW_HT_RATES_OFFSET) !=
+ sta->ht_cap.mcs.rx_mask[0])) {
+ /* Clean MCS bits before setting them */
+ wl->sta_rate_set &= HW_BG_RATES_MASK;
+ wl->sta_rate_set |=
+ (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET);
+ set_bit(WL1271_FLAG_STA_RATES_CHANGED, &wl->flags);
+ }
+#endif
spin_unlock_irqrestore(&wl->wl_lock, flags);
/* queue the packet */
@@ -1709,6 +1727,7 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
{
enum wl1271_cmd_ps_mode mode;
struct wl1271 *wl = hw->priv;
+ struct ieee80211_sta *sta = ieee80211_find_sta(vif, bss_conf->bssid);
bool do_join = false;
bool set_assoc = false;
int ret;
@@ -1927,6 +1946,37 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw,
}
}
+ /*
+ * Takes care of: New association with HT enable,
+ * HT information change in beacon.
+ */
+ if (sta &&
+ (changed & BSS_CHANGED_HT) &&
+ (bss_conf->channel_type != NL80211_CHAN_NO_HT)) {
+ ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, true);
+ if (ret < 0) {
+ wl1271_warning("Set ht cap true failed %d", ret);
+ goto out_sleep;
+ }
+ ret = wl1271_acx_set_ht_information(wl,
+ bss_conf->ht_operation_mode);
+ if (ret < 0) {
+ wl1271_warning("Set ht information failed %d", ret);
+ goto out_sleep;
+ }
+ }
+ /*
+ * Takes care of: New association without HT,
+ * Disassociation.
+ */
+ else if (sta && (changed & BSS_CHANGED_ASSOC)) {
+ ret = wl1271_acx_set_ht_capabilities(wl, &sta->ht_cap, false);
+ if (ret < 0) {
+ wl1271_warning("Set ht cap false failed %d", ret);
+ goto out_sleep;
+ }
+ }
+
if (changed & BSS_CHANGED_ARP_FILTER) {
__be32 addr = bss_conf->arp_addr_list[0];
WARN_ON(wl->bss_type != BSS_TYPE_STA_BSS);
@@ -2107,14 +2157,14 @@ static struct ieee80211_channel wl1271_channels[] = {
/* mapping to indexes for wl1271_rates */
static const u8 wl1271_rate_to_idx_2ghz[] = {
/* MCS rates are used only with 11n */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
+ 7, /* CONF_HW_RXTX_RATE_MCS7 */
+ 6, /* CONF_HW_RXTX_RATE_MCS6 */
+ 5, /* CONF_HW_RXTX_RATE_MCS5 */
+ 4, /* CONF_HW_RXTX_RATE_MCS4 */
+ 3, /* CONF_HW_RXTX_RATE_MCS3 */
+ 2, /* CONF_HW_RXTX_RATE_MCS2 */
+ 1, /* CONF_HW_RXTX_RATE_MCS1 */
+ 0, /* CONF_HW_RXTX_RATE_MCS0 */
11, /* CONF_HW_RXTX_RATE_54 */
10, /* CONF_HW_RXTX_RATE_48 */
@@ -2137,6 +2187,7 @@ static const u8 wl1271_rate_to_idx_2ghz[] = {
/* 11n STA capabilities */
#define HW_RX_HIGHEST_RATE 72
+#ifdef CONFIG_WL1271_HT
#define WL1271_HT_CAP { \
.cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20, \
.ht_supported = true, \
@@ -2148,6 +2199,11 @@ static const u8 wl1271_rate_to_idx_2ghz[] = {
.tx_params = IEEE80211_HT_MCS_TX_DEFINED, \
}, \
}
+#else
+#define WL1271_HT_CAP { \
+ .ht_supported = false, \
+}
+#endif
/* can't be const, mac80211 writes to this */
static struct ieee80211_supported_band wl1271_band_2ghz = {
@@ -2155,6 +2211,7 @@ static struct ieee80211_supported_band wl1271_band_2ghz = {
.n_channels = ARRAY_SIZE(wl1271_channels),
.bitrates = wl1271_rates,
.n_bitrates = ARRAY_SIZE(wl1271_rates),
+ .ht_cap = WL1271_HT_CAP,
};
/* 5 GHz data rates for WL1273 */
@@ -2237,14 +2294,14 @@ static struct ieee80211_channel wl1271_channels_5ghz[] = {
/* mapping to indexes for wl1271_rates_5ghz */
static const u8 wl1271_rate_to_idx_5ghz[] = {
/* MCS rates are used only with 11n */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS7 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS6 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS5 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS4 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS3 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS2 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS1 */
- CONF_HW_RXTX_RATE_UNSUPPORTED, /* CONF_HW_RXTX_RATE_MCS0 */
+ 7, /* CONF_HW_RXTX_RATE_MCS7 */
+ 6, /* CONF_HW_RXTX_RATE_MCS6 */
+ 5, /* CONF_HW_RXTX_RATE_MCS5 */
+ 4, /* CONF_HW_RXTX_RATE_MCS4 */
+ 3, /* CONF_HW_RXTX_RATE_MCS3 */
+ 2, /* CONF_HW_RXTX_RATE_MCS2 */
+ 1, /* CONF_HW_RXTX_RATE_MCS1 */
+ 0, /* CONF_HW_RXTX_RATE_MCS0 */
7, /* CONF_HW_RXTX_RATE_54 */
6, /* CONF_HW_RXTX_RATE_48 */
@@ -2269,6 +2326,7 @@ static struct ieee80211_supported_band wl1271_band_5ghz = {
.n_channels = ARRAY_SIZE(wl1271_channels_5ghz),
.bitrates = wl1271_rates_5ghz,
.n_bitrates = ARRAY_SIZE(wl1271_rates_5ghz),
+ .ht_cap = WL1271_HT_CAP,
};
static const u8 *wl1271_band_rate_to_idx[] = {
diff --git a/drivers/net/wireless/wl12xx/wl1271_rx.c b/drivers/net/wireless/wl12xx/wl1271_rx.c
index bea133b..ac13f7d 100644
--- a/drivers/net/wireless/wl12xx/wl1271_rx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_rx.c
@@ -53,6 +53,12 @@ static void wl1271_rx_status(struct wl1271 *wl,
status->band = wl->band;
status->rate_idx = wl1271_rate_to_idx(wl, desc->rate);
+#ifdef CONFIG_WL1271_HT
+ /* 11n support */
+ if (desc->rate <= CONF_HW_RXTX_RATE_MCS0)
+ status->flag |= RX_FLAG_HT;
+#endif
+
status->signal = desc->rssi;
/*
diff --git a/drivers/net/wireless/wl12xx/wl1271_tx.c b/drivers/net/wireless/wl12xx/wl1271_tx.c
index e3dc13c..6a87633 100644
--- a/drivers/net/wireless/wl12xx/wl1271_tx.c
+++ b/drivers/net/wireless/wl12xx/wl1271_tx.c
@@ -201,6 +201,17 @@ u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set)
rate_set >>= 1;
}
+#ifdef CONFIG_WL1271_HT
+ /* MCS rates indication are on bits 16 - 23 */
+ rate_set >>= HW_HT_RATES_OFFSET - band->n_bitrates;
+
+ for (bit = 0; bit < 8; bit++) {
+ if (rate_set & 0x1)
+ enabled_rates |= (CONF_HW_BIT_RATE_MCS_0 << bit);
+ rate_set >>= 1;
+ }
+#endif
+
return enabled_rates;
}
--
1.6.0.4
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