select RT2800_LIB
select RT2X00_LIB_PCI if PCI
select RT2X00_LIB_SOC if RALINK_RT288X || RALINK_RT305X
- select RT2X00_LIB_HT
select RT2X00_LIB_FIRMWARE
select RT2X00_LIB_CRYPTO
select CRC_CCITT
depends on USB
select RT2800_LIB
select RT2X00_LIB_USB
- select RT2X00_LIB_HT
select RT2X00_LIB_FIRMWARE
select RT2X00_LIB_CRYPTO
select CRC_CCITT
config RT2X00_LIB
tristate
-config RT2X00_LIB_HT
- boolean
-
config RT2X00_LIB_FIRMWARE
boolean
select FW_LOADER
rt2x00lib-$(CONFIG_RT2X00_LIB_CRYPTO) += rt2x00crypto.o
rt2x00lib-$(CONFIG_RT2X00_LIB_FIRMWARE) += rt2x00firmware.o
rt2x00lib-$(CONFIG_RT2X00_LIB_LEDS) += rt2x00leds.o
-rt2x00lib-$(CONFIG_RT2X00_LIB_HT) += rt2x00ht.o
obj-$(CONFIG_RT2X00_LIB) += rt2x00lib.o
obj-$(CONFIG_RT2X00_LIB_PCI) += rt2x00pci.o
rt2x00queue_start_queue(rt2x00dev->rx);
}
+static u16 rt2x00ht_center_channel(struct rt2x00_dev *rt2x00dev,
+ struct ieee80211_conf *conf)
+{
+ struct hw_mode_spec *spec = &rt2x00dev->spec;
+ int center_channel;
+ u16 i;
+
+ /*
+ * Initialize center channel to current channel.
+ */
+ center_channel = spec->channels[conf->channel->hw_value].channel;
+
+ /*
+ * Adjust center channel to HT40+ and HT40- operation.
+ */
+ if (conf_is_ht40_plus(conf))
+ center_channel += 2;
+ else if (conf_is_ht40_minus(conf))
+ center_channel -= (center_channel == 14) ? 1 : 2;
+
+ for (i = 0; i < spec->num_channels; i++)
+ if (spec->channels[i].channel == center_channel)
+ return i;
+
+ WARN_ON(1);
+ return conf->channel->hw_value;
+}
+
void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
struct ieee80211_conf *conf,
unsigned int ieee80211_flags)
+++ /dev/null
-/*
- Copyright (C) 2004 - 2009 Ivo van Doorn <IvDoorn@gmail.com>
- <http://rt2x00.serialmonkey.com>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the
- Free Software Foundation, Inc.,
- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-/*
- Module: rt2x00lib
- Abstract: rt2x00 HT specific routines.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-
-#include "rt2x00.h"
-#include "rt2x00lib.h"
-
-void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
- struct txentry_desc *txdesc,
- const struct rt2x00_rate *hwrate)
-{
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);
- struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0];
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data;
-
- if (tx_info->control.sta)
- txdesc->u.ht.mpdu_density =
- tx_info->control.sta->ht_cap.ampdu_density;
-
- txdesc->u.ht.ba_size = 7; /* FIXME: What value is needed? */
-
- /*
- * Only one STBC stream is supported for now.
- */
- if (tx_info->flags & IEEE80211_TX_CTL_STBC)
- txdesc->u.ht.stbc = 1;
-
- /*
- * If IEEE80211_TX_RC_MCS is set txrate->idx just contains the
- * mcs rate to be used
- */
- if (txrate->flags & IEEE80211_TX_RC_MCS) {
- txdesc->u.ht.mcs = txrate->idx;
-
- /*
- * MIMO PS should be set to 1 for STA's using dynamic SM PS
- * when using more then one tx stream (>MCS7).
- */
- if (tx_info->control.sta && txdesc->u.ht.mcs > 7 &&
- ((tx_info->control.sta->ht_cap.cap &
- IEEE80211_HT_CAP_SM_PS) >>
- IEEE80211_HT_CAP_SM_PS_SHIFT) ==
- WLAN_HT_CAP_SM_PS_DYNAMIC)
- __set_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags);
- } else {
- txdesc->u.ht.mcs = rt2x00_get_rate_mcs(hwrate->mcs);
- if (txrate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
- txdesc->u.ht.mcs |= 0x08;
- }
-
- /*
- * This frame is eligible for an AMPDU, however, don't aggregate
- * frames that are intended to probe a specific tx rate.
- */
- if (tx_info->flags & IEEE80211_TX_CTL_AMPDU &&
- !(tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE))
- __set_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags);
-
- /*
- * Set 40Mhz mode if necessary (for legacy rates this will
- * duplicate the frame to both channels).
- */
- if (txrate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH ||
- txrate->flags & IEEE80211_TX_RC_DUP_DATA)
- __set_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags);
- if (txrate->flags & IEEE80211_TX_RC_SHORT_GI)
- __set_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags);
-
- /*
- * Determine IFS values
- * - Use TXOP_BACKOFF for management frames except beacons
- * - Use TXOP_SIFS for fragment bursts
- * - Use TXOP_HTTXOP for everything else
- *
- * Note: rt2800 devices won't use CTS protection (if used)
- * for frames not transmitted with TXOP_HTTXOP
- */
- if (ieee80211_is_mgmt(hdr->frame_control) &&
- !ieee80211_is_beacon(hdr->frame_control))
- txdesc->u.ht.txop = TXOP_BACKOFF;
- else if (!(tx_info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT))
- txdesc->u.ht.txop = TXOP_SIFS;
- else
- txdesc->u.ht.txop = TXOP_HTTXOP;
-}
-
-u16 rt2x00ht_center_channel(struct rt2x00_dev *rt2x00dev,
- struct ieee80211_conf *conf)
-{
- struct hw_mode_spec *spec = &rt2x00dev->spec;
- int center_channel;
- u16 i;
-
- /*
- * Initialize center channel to current channel.
- */
- center_channel = spec->channels[conf->channel->hw_value].channel;
-
- /*
- * Adjust center channel to HT40+ and HT40- operation.
- */
- if (conf_is_ht40_plus(conf))
- center_channel += 2;
- else if (conf_is_ht40_minus(conf))
- center_channel -= (center_channel == 14) ? 1 : 2;
-
- for (i = 0; i < spec->num_channels; i++)
- if (spec->channels[i].channel == center_channel)
- return i;
-
- WARN_ON(1);
- return conf->channel->hw_value;
-}
}
#endif /* CONFIG_RT2X00_LIB_CRYPTO */
-/*
- * HT handlers.
- */
-#ifdef CONFIG_RT2X00_LIB_HT
-void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
- struct txentry_desc *txdesc,
- const struct rt2x00_rate *hwrate);
-
-u16 rt2x00ht_center_channel(struct rt2x00_dev *rt2x00dev,
- struct ieee80211_conf *conf);
-#else
-static inline void rt2x00ht_create_tx_descriptor(struct queue_entry *entry,
- struct txentry_desc *txdesc,
- const struct rt2x00_rate *hwrate)
-{
-}
-
-static inline u16 rt2x00ht_center_channel(struct rt2x00_dev *rt2x00dev,
- struct ieee80211_conf *conf)
-{
- return conf->channel->hw_value;
-}
-#endif /* CONFIG_RT2X00_LIB_HT */
-
/*
* RFkill handlers.
*/
}
}
+static void rt2x00queue_create_tx_descriptor_ht(struct queue_entry *entry,
+ struct txentry_desc *txdesc,
+ const struct rt2x00_rate *hwrate)
+{
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb);
+ struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0];
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data;
+
+ if (tx_info->control.sta)
+ txdesc->u.ht.mpdu_density =
+ tx_info->control.sta->ht_cap.ampdu_density;
+
+ txdesc->u.ht.ba_size = 7; /* FIXME: What value is needed? */
+
+ /*
+ * Only one STBC stream is supported for now.
+ */
+ if (tx_info->flags & IEEE80211_TX_CTL_STBC)
+ txdesc->u.ht.stbc = 1;
+
+ /*
+ * If IEEE80211_TX_RC_MCS is set txrate->idx just contains the
+ * mcs rate to be used
+ */
+ if (txrate->flags & IEEE80211_TX_RC_MCS) {
+ txdesc->u.ht.mcs = txrate->idx;
+
+ /*
+ * MIMO PS should be set to 1 for STA's using dynamic SM PS
+ * when using more then one tx stream (>MCS7).
+ */
+ if (tx_info->control.sta && txdesc->u.ht.mcs > 7 &&
+ ((tx_info->control.sta->ht_cap.cap &
+ IEEE80211_HT_CAP_SM_PS) >>
+ IEEE80211_HT_CAP_SM_PS_SHIFT) ==
+ WLAN_HT_CAP_SM_PS_DYNAMIC)
+ __set_bit(ENTRY_TXD_HT_MIMO_PS, &txdesc->flags);
+ } else {
+ txdesc->u.ht.mcs = rt2x00_get_rate_mcs(hwrate->mcs);
+ if (txrate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
+ txdesc->u.ht.mcs |= 0x08;
+ }
+
+ /*
+ * This frame is eligible for an AMPDU, however, don't aggregate
+ * frames that are intended to probe a specific tx rate.
+ */
+ if (tx_info->flags & IEEE80211_TX_CTL_AMPDU &&
+ !(tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE))
+ __set_bit(ENTRY_TXD_HT_AMPDU, &txdesc->flags);
+
+ /*
+ * Set 40Mhz mode if necessary (for legacy rates this will
+ * duplicate the frame to both channels).
+ */
+ if (txrate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH ||
+ txrate->flags & IEEE80211_TX_RC_DUP_DATA)
+ __set_bit(ENTRY_TXD_HT_BW_40, &txdesc->flags);
+ if (txrate->flags & IEEE80211_TX_RC_SHORT_GI)
+ __set_bit(ENTRY_TXD_HT_SHORT_GI, &txdesc->flags);
+
+ /*
+ * Determine IFS values
+ * - Use TXOP_BACKOFF for management frames except beacons
+ * - Use TXOP_SIFS for fragment bursts
+ * - Use TXOP_HTTXOP for everything else
+ *
+ * Note: rt2800 devices won't use CTS protection (if used)
+ * for frames not transmitted with TXOP_HTTXOP
+ */
+ if (ieee80211_is_mgmt(hdr->frame_control) &&
+ !ieee80211_is_beacon(hdr->frame_control))
+ txdesc->u.ht.txop = TXOP_BACKOFF;
+ else if (!(tx_info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT))
+ txdesc->u.ht.txop = TXOP_SIFS;
+ else
+ txdesc->u.ht.txop = TXOP_HTTXOP;
+}
+
static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry,
struct txentry_desc *txdesc)
{
rt2x00queue_create_tx_descriptor_seq(entry, txdesc);
if (test_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags))
- rt2x00ht_create_tx_descriptor(entry, txdesc, hwrate);
+ rt2x00queue_create_tx_descriptor_ht(entry, txdesc, hwrate);
else
rt2x00queue_create_tx_descriptor_plcp(entry, txdesc, hwrate);
}
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