upgrade compat wireless to 2008-12-09, remove the experimental rt2800 patch until it's fixed

SVN-Revision: 13579
lede-17.01
Imre Kaloz 2008-12-10 11:21:08 +00:00
parent e1c2416ca8
commit d9475220de
8 changed files with 3 additions and 9967 deletions

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@ -12,8 +12,8 @@ include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=mac80211
PKG_RELEASE:=1
ifneq ($(CONFIG_LINUX_2_6_27),)
PKG_VERSION:=2008-11-29
ifneq ($(CONFIG_LINUX_2_6_27)$(CONFIG_LINUX_2_6_28),)
PKG_VERSION:=2008-12-09
PKG_SOURCE_URL:=http://wireless.kernel.org/download/compat-wireless-2.6/
else
PKG_VERSION:=2008-08-06

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@ -1,8 +1,6 @@
diff --git a/Makefile b/Makefile
index 6a5eff4..225c711 100644
--- a/Makefile
+++ b/Makefile
@@ -20,8 +20,7 @@ NOSTDINC_FLAGS := -I$(M)/include/ -include $(M)/include/net/compat.h $(CFLAGS)
@@ -20,8 +20,7 @@ NOSTDINC_FLAGS := -I$(M)/include/ -inclu
obj-y := net/wireless/ net/mac80211/
ifeq ($(ONLY_CORE),)
obj-$(CONFIG_B44) += drivers/net/b44.o

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@ -1,5 +1,3 @@
diff --git a/config.mk b/config.mk
index d94a976..39fcaea 100644
--- a/config.mk
+++ b/config.mk
@@ -69,10 +69,10 @@ CONFIG_MAC80211_LEDS=y

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@ -1,248 +0,0 @@
From: Ivo van Doorn <IvDoorn@gmail.com>
Date: Thu, 20 Nov 2008 22:29:36 +0000 (+0100)
Subject: rt2x00: Implement HW encryption (rt2500usb)
X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Fivd%2Frt2x00.git;a=commitdiff_plain;h=52fe465ab5eb6aeead5ac8d91dd70e363d0560b7
rt2x00: Implement HW encryption (rt2500usb)
rt2500usb supports hardware encryption.
rt2500usb supports up to 4 shared and pairwise keys.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 10cb46a..620ac65 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -36,6 +36,13 @@
#include "rt2500usb.h"
/*
+ * Allow hardware encryption to be disabled.
+ */
+static int modparam_nohwcrypt = 0;
+module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
+
+/*
* Register access.
* All access to the CSR registers will go through the methods
* rt2500usb_register_read and rt2500usb_register_write.
@@ -323,6 +330,85 @@ static void rt2500usb_init_led(struct rt2x00_dev *rt2x00dev,
/*
* Configuration handlers.
*/
+
+/*
+ * rt2500usb does not differentiate between shared and pairwise
+ * keys, so we should use the same function for both key types.
+ */
+static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev,
+ struct rt2x00lib_crypto *crypto,
+ struct ieee80211_key_conf *key)
+{
+ int timeout;
+ u32 mask;
+ u16 reg;
+
+ /* Support up to 4 keys */
+ if (key->hw_key_idx >= 4)
+ return -ENOSPC;
+
+ if (crypto->cmd == SET_KEY) {
+ /*
+ * Pairwise key will always be entry 0, but this
+ * could collide with a shared key on the same
+ * position...
+ */
+ mask = TXRX_CSR0_KEY_ID.bit_mask;
+
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+
+ if ((reg & mask) && (reg & mask) == mask)
+ return -ENOSPC;
+
+ reg = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
+
+ key->hw_key_idx += reg ? ffz(reg) : 0;
+
+ /*
+ * The encryption key doesn't fit within the CSR cache,
+ * this means we should allocate it seperately and use
+ * rt2x00usb_vendor_request() to send the key to the hardware.
+ */
+ reg = KEY_ENTRY(key->hw_key_idx);
+ timeout = REGISTER_TIMEOUT32(sizeof(crypto->key));
+ rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE,
+ USB_VENDOR_REQUEST_OUT, reg,
+ crypto->key,
+ sizeof(crypto->key),
+ timeout);
+
+ /*
+ * The driver does not support the IV/EIV generation
+ * in hardware. However it doesn't support the IV/EIV
+ * inside the ieee80211 frame either, but requires it
+ * to be provided seperately for the descriptor.
+ * rt2x00lib will cut the IV/EIV data out of all frames
+ * given to us by mac80211, but we must tell mac80211
+ * to generate the IV/EIV data.
+ */
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+ }
+
+ /*
+ * TXRX_CSR0_KEY_ID contains only single-bit fields to indicate
+ * a particular key is valid.
+ */
+ rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
+ rt2x00_set_field16(&reg, TXRX_CSR0_ALGORITHM, crypto->cipher);
+ rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
+
+ mask = rt2x00_get_field16(reg, TXRX_CSR0_KEY_ID);
+ if (crypto->cmd == SET_KEY)
+ mask |= 1 << key->hw_key_idx;
+ else if (crypto->cmd == DISABLE_KEY)
+ mask &= ~(1 << key->hw_key_idx);
+ rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, mask);
+ rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
+
+ return 0;
+}
+
static void rt2500usb_config_filter(struct rt2x00_dev *rt2x00dev,
const unsigned int filter_flags)
{
@@ -844,7 +930,7 @@ static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
rt2500usb_register_read(rt2x00dev, TXRX_CSR0, &reg);
rt2x00_set_field16(&reg, TXRX_CSR0_IV_OFFSET, IEEE80211_HEADER);
- rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0xff);
+ rt2x00_set_field16(&reg, TXRX_CSR0_KEY_ID, 0);
rt2500usb_register_write(rt2x00dev, TXRX_CSR0, reg);
rt2500usb_register_read(rt2x00dev, MAC_CSR18, &reg);
@@ -1066,7 +1152,7 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
* Start writing the descriptor words.
*/
rt2x00_desc_read(txd, 1, &word);
- rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER);
+ rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, txdesc->iv_offset);
rt2x00_set_field32(&word, TXD_W1_AIFS, txdesc->aifs);
rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min);
rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max);
@@ -1079,6 +1165,11 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
rt2x00_set_field32(&word, TXD_W2_PLCP_LENGTH_HIGH, txdesc->length_high);
rt2x00_desc_write(txd, 2, word);
+ if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc->flags)) {
+ _rt2x00_desc_write(txd, 3, skbdesc->iv);
+ _rt2x00_desc_write(txd, 4, skbdesc->eiv);
+ }
+
rt2x00_desc_read(txd, 0, &word);
rt2x00_set_field32(&word, TXD_W0_RETRY_LIMIT, txdesc->retry_limit);
rt2x00_set_field32(&word, TXD_W0_MORE_FRAG,
@@ -1093,7 +1184,8 @@ static void rt2500usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags));
rt2x00_set_field32(&word, TXD_W0_IFS, txdesc->ifs);
rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, skb->len);
- rt2x00_set_field32(&word, TXD_W0_CIPHER, CIPHER_NONE);
+ rt2x00_set_field32(&word, TXD_W0_CIPHER, txdesc->cipher);
+ rt2x00_set_field32(&word, TXD_W0_KEY_ID, txdesc->key_idx);
rt2x00_desc_write(txd, 0, word);
}
@@ -1204,6 +1296,7 @@ static void rt2500usb_kick_tx_queue(struct rt2x00_dev *rt2x00dev,
static void rt2500usb_fill_rxdone(struct queue_entry *entry,
struct rxdone_entry_desc *rxdesc)
{
+ struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev;
struct queue_entry_priv_usb *entry_priv = entry->priv_data;
struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb);
__le32 *rxd =
@@ -1231,6 +1324,31 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry,
if (rt2x00_get_field32(word0, RXD_W0_PHYSICAL_ERROR))
rxdesc->flags |= RX_FLAG_FAILED_PLCP_CRC;
+ if (test_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags)) {
+ rxdesc->cipher = rt2x00_get_field32(word0, RXD_W0_CIPHER);
+ if (rt2x00_get_field32(word0, RXD_W0_CIPHER_ERROR))
+ rxdesc->cipher_status = RX_CRYPTO_FAIL_KEY;
+ }
+
+ if (rxdesc->cipher != CIPHER_NONE) {
+ _rt2x00_desc_read(rxd, 2, &rxdesc->iv);
+ _rt2x00_desc_read(rxd, 3, &rxdesc->eiv);
+ /* ICV is located at the end of frame */
+
+ /*
+ * Hardware has stripped IV/EIV data from 802.11 frame during
+ * decryption. It has provided the data seperately but rt2x00lib
+ * should decide if it should be reinserted.
+ */
+ rxdesc->flags |= RX_FLAG_IV_STRIPPED;
+ if (rxdesc->cipher != CIPHER_TKIP)
+ rxdesc->flags |= RX_FLAG_MMIC_STRIPPED;
+ if (rxdesc->cipher_status == RX_CRYPTO_SUCCESS)
+ rxdesc->flags |= RX_FLAG_DECRYPTED;
+ else if (rxdesc->cipher_status == RX_CRYPTO_FAIL_MIC)
+ rxdesc->flags |= RX_FLAG_MMIC_ERROR;
+ }
+
/*
* Obtain the status about this packet.
* When frame was received with an OFDM bitrate,
@@ -1238,8 +1356,8 @@ static void rt2500usb_fill_rxdone(struct queue_entry *entry,
* a CCK bitrate the signal is the rate in 100kbit/s.
*/
rxdesc->signal = rt2x00_get_field32(word1, RXD_W1_SIGNAL);
- rxdesc->rssi = rt2x00_get_field32(word1, RXD_W1_RSSI) -
- entry->queue->rt2x00dev->rssi_offset;
+ rxdesc->rssi =
+ rt2x00_get_field32(word1, RXD_W1_RSSI) - rt2x00dev->rssi_offset;
rxdesc->size = rt2x00_get_field32(word0, RXD_W0_DATABYTE_COUNT);
if (rt2x00_get_field32(word0, RXD_W0_OFDM))
@@ -1729,6 +1847,8 @@ static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev)
__set_bit(DRIVER_REQUIRE_ATIM_QUEUE, &rt2x00dev->flags);
__set_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags);
__set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags);
+ if (!modparam_nohwcrypt)
+ __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags);
__set_bit(CONFIG_DISABLE_LINK_TUNING, &rt2x00dev->flags);
/*
@@ -1748,6 +1868,7 @@ static const struct ieee80211_ops rt2500usb_mac80211_ops = {
.config = rt2x00mac_config,
.config_interface = rt2x00mac_config_interface,
.configure_filter = rt2x00mac_configure_filter,
+ .set_key = rt2x00mac_set_key,
.get_stats = rt2x00mac_get_stats,
.bss_info_changed = rt2x00mac_bss_info_changed,
.conf_tx = rt2x00mac_conf_tx,
@@ -1769,6 +1890,8 @@ static const struct rt2x00lib_ops rt2500usb_rt2x00_ops = {
.get_tx_data_len = rt2500usb_get_tx_data_len,
.kick_tx_queue = rt2500usb_kick_tx_queue,
.fill_rxdone = rt2500usb_fill_rxdone,
+ .config_shared_key = rt2500usb_config_key,
+ .config_pairwise_key = rt2500usb_config_key,
.config_filter = rt2500usb_config_filter,
.config_intf = rt2500usb_config_intf,
.config_erp = rt2500usb_config_erp,
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.h b/drivers/net/wireless/rt2x00/rt2500usb.h
index dbb5d68..4347dfd 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.h
+++ b/drivers/net/wireless/rt2x00/rt2500usb.h
@@ -447,6 +447,9 @@
#define SEC_CSR30 0x04bc
#define SEC_CSR31 0x04be
+#define KEY_ENTRY(__idx) \
+ ( SEC_CSR0 + ((__idx) * 16) )
+
/*
* PHY control registers.
*/

File diff suppressed because it is too large Load Diff

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@ -1,5 +1,3 @@
diff --git a/config.mk b/config.mk
index d94a976..a624bdf 100644
--- a/config.mk
+++ b/config.mk
@@ -156,6 +156,7 @@ CONFIG_ADM8211=m

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@ -1,303 +0,0 @@
This patch adds new NL80211_CMD_SET_WIPHY attributes
NL80211_ATTR_WIPHY_FREQ and NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET to allow
userspace to set the operating channel (e.g., hostapd for AP mode).
Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Index: wireless-testing/include/linux/nl80211.h
===================================================================
--- wireless-testing.orig/include/linux/nl80211.h 2008-11-26 15:15:31.000000000 +0200
+++ wireless-testing/include/linux/nl80211.h 2008-11-26 15:16:59.000000000 +0200
@@ -26,8 +26,9 @@
* @NL80211_CMD_GET_WIPHY: request information about a wiphy or dump request
* to get a list of all present wiphys.
* @NL80211_CMD_SET_WIPHY: set wiphy parameters, needs %NL80211_ATTR_WIPHY or
- * %NL80211_ATTR_IFINDEX; can be used to set %NL80211_ATTR_WIPHY_NAME
- * and/or %NL80211_ATTR_WIPHY_TXQ_PARAMS.
+ * %NL80211_ATTR_IFINDEX; can be used to set %NL80211_ATTR_WIPHY_NAME,
+ * %NL80211_ATTR_WIPHY_TXQ_PARAMS, %NL80211_ATTR_WIPHY_FREQ, and/or
+ * %NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET.
* @NL80211_CMD_NEW_WIPHY: Newly created wiphy, response to get request
* or rename notification. Has attributes %NL80211_ATTR_WIPHY and
* %NL80211_ATTR_WIPHY_NAME.
@@ -180,6 +181,14 @@
* /sys/class/ieee80211/<phyname>/index
* @NL80211_ATTR_WIPHY_NAME: wiphy name (used for renaming)
* @NL80211_ATTR_WIPHY_TXQ_PARAMS: a nested array of TX queue parameters
+ * @NL80211_ATTR_WIPHY_FREQ: frequency of the selected channel in MHz
+ * @NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET: included with NL80211_ATTR_WIPHY_FREQ
+ * if HT20 or HT40 are allowed (i.e., 802.11n disabled if not included):
+ * NL80211_SEC_CHAN_NO_HT = HT not allowed (i.e., same as not including
+ * this attribute)
+ * NL80211_SEC_CHAN_DISABLED = HT20 only
+ * NL80211_SEC_CHAN_BELOW = secondary channel is below the primary channel
+ * NL80211_SEC_CHAN_ABOVE = secondary channel is above the primary channel
*
* @NL80211_ATTR_IFINDEX: network interface index of the device to operate on
* @NL80211_ATTR_IFNAME: network interface name
@@ -315,6 +324,8 @@
NL80211_ATTR_BSS_BASIC_RATES,
NL80211_ATTR_WIPHY_TXQ_PARAMS,
+ NL80211_ATTR_WIPHY_FREQ,
+ NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET,
/* add attributes here, update the policy in nl80211.c */
@@ -329,6 +340,8 @@
#define NL80211_ATTR_HT_CAPABILITY NL80211_ATTR_HT_CAPABILITY
#define NL80211_ATTR_BSS_BASIC_RATES NL80211_ATTR_BSS_BASIC_RATES
#define NL80211_ATTR_WIPHY_TXQ_PARAMS NL80211_ATTR_WIPHY_TXQ_PARAMS
+#define NL80211_ATTR_WIPHY_FREQ NL80211_ATTR_WIPHY_FREQ
+#define NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET
#define NL80211_MAX_SUPP_RATES 32
#define NL80211_MAX_SUPP_REG_RULES 32
@@ -742,4 +755,10 @@
NL80211_TXQ_Q_BK
};
+enum nl80211_sec_chan_offset {
+ NL80211_SEC_CHAN_NO_HT /* No HT */,
+ NL80211_SEC_CHAN_DISABLED /* HT20 only */,
+ NL80211_SEC_CHAN_BELOW /* HT40- */,
+ NL80211_SEC_CHAN_ABOVE /* HT40+ */
+};
#endif /* __LINUX_NL80211_H */
Index: wireless-testing/include/net/cfg80211.h
===================================================================
--- wireless-testing.orig/include/net/cfg80211.h 2008-11-26 15:15:31.000000000 +0200
+++ wireless-testing/include/net/cfg80211.h 2008-11-26 15:29:50.000000000 +0200
@@ -392,6 +392,9 @@
/* from net/wireless.h */
struct wiphy;
+/* from net/ieee80211.h */
+struct ieee80211_channel;
+
/**
* struct cfg80211_ops - backend description for wireless configuration
*
@@ -450,6 +453,8 @@
* @change_bss: Modify parameters for a given BSS.
*
* @set_txq_params: Set TX queue parameters
+ *
+ * @set_channel: Set channel
*/
struct cfg80211_ops {
int (*add_virtual_intf)(struct wiphy *wiphy, char *name,
@@ -513,6 +518,10 @@
int (*set_txq_params)(struct wiphy *wiphy,
struct ieee80211_txq_params *params);
+
+ int (*set_channel)(struct wiphy *wiphy,
+ struct ieee80211_channel *chan,
+ enum nl80211_sec_chan_offset);
};
#endif /* __NET_CFG80211_H */
Index: wireless-testing/net/mac80211/cfg.c
===================================================================
--- wireless-testing.orig/net/mac80211/cfg.c 2008-11-26 15:15:31.000000000 +0200
+++ wireless-testing/net/mac80211/cfg.c 2008-11-26 15:19:34.000000000 +0200
@@ -1095,6 +1095,18 @@
return 0;
}
+static int ieee80211_set_channel(struct wiphy *wiphy,
+ struct ieee80211_channel *chan,
+ enum nl80211_sec_chan_offset sec_chan_offset)
+{
+ struct ieee80211_local *local = wiphy_priv(wiphy);
+
+ local->oper_channel = chan;
+ local->oper_sec_chan_offset = sec_chan_offset;
+
+ return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+}
+
struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@@ -1122,4 +1134,5 @@
#endif
.change_bss = ieee80211_change_bss,
.set_txq_params = ieee80211_set_txq_params,
+ .set_channel = ieee80211_set_channel,
};
Index: wireless-testing/net/wireless/nl80211.c
===================================================================
--- wireless-testing.orig/net/wireless/nl80211.c 2008-11-26 15:15:31.000000000 +0200
+++ wireless-testing/net/wireless/nl80211.c 2008-11-26 15:31:31.000000000 +0200
@@ -59,6 +59,8 @@
[NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING,
.len = BUS_ID_SIZE-1 },
[NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED },
+ [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 },
+ [NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET] = { .type = NLA_U32 },
[NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
[NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
@@ -359,6 +361,61 @@
}
}
+ if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
+ enum nl80211_sec_chan_offset sec_chan_offset =
+ NL80211_SEC_CHAN_NO_HT;
+ struct ieee80211_channel *chan;
+ u32 freq, sec_freq;
+
+ if (!rdev->ops->set_channel) {
+ result = -EOPNOTSUPP;
+ goto bad_res;
+ }
+
+ if (info->attrs[NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET]) {
+ sec_chan_offset = nla_get_u32(
+ info->attrs[
+ NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET]);
+ if (sec_chan_offset != NL80211_SEC_CHAN_NO_HT &&
+ sec_chan_offset != NL80211_SEC_CHAN_DISABLED &&
+ sec_chan_offset != NL80211_SEC_CHAN_BELOW &&
+ sec_chan_offset != NL80211_SEC_CHAN_ABOVE) {
+ result = -EINVAL;
+ goto bad_res;
+ }
+ }
+
+ freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]);
+ chan = ieee80211_get_channel(&rdev->wiphy, freq);
+ if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) {
+ /* Primary channel not allowed */
+ result = -EINVAL;
+ goto bad_res;
+ }
+ if (sec_chan_offset == NL80211_SEC_CHAN_BELOW)
+ sec_freq = freq - 20;
+ else if (sec_chan_offset == NL80211_SEC_CHAN_ABOVE)
+ sec_freq = freq + 20;
+ else
+ sec_freq = 0;
+
+ if (sec_freq) {
+ struct ieee80211_channel *schan;
+ schan = ieee80211_get_channel(&rdev->wiphy, sec_freq);
+ if (!schan || schan->flags & IEEE80211_CHAN_DISABLED) {
+ /* Secondary channel not allowed */
+ result = -EINVAL;
+ goto bad_res;
+ }
+ }
+
+ result = rdev->ops->set_channel(&rdev->wiphy, chan,
+ sec_chan_offset);
+ if (result)
+ goto bad_res;
+ }
+
+
bad_res:
cfg80211_put_dev(rdev);
return result;
Index: wireless-testing/include/net/mac80211.h
===================================================================
--- wireless-testing.orig/include/net/mac80211.h 2008-11-26 15:15:31.000000000 +0200
+++ wireless-testing/include/net/mac80211.h 2008-11-26 15:15:47.000000000 +0200
@@ -507,6 +507,9 @@
struct ieee80211_ht_conf {
bool enabled;
+ int sec_chan_offset; /* 0 = HT40 disabled; -1 = HT40 enabled, secondary
+ * channel below primary; 1 = HT40 enabled,
+ * secondary channel above primary */
};
/**
Index: wireless-testing/net/mac80211/util.c
===================================================================
--- wireless-testing.orig/net/mac80211/util.c 2008-11-26 15:15:31.000000000 +0200
+++ wireless-testing/net/mac80211/util.c 2008-11-26 15:20:26.000000000 +0200
@@ -641,6 +641,7 @@
chan->flags & IEEE80211_CHAN_NO_IBSS)
return ret;
local->oper_channel = chan;
+ local->oper_sec_chan_offset = NL80211_SEC_CHAN_NO_HT;
if (local->sw_scanning || local->hw_scanning)
ret = 0;
Index: wireless-testing/net/mac80211/ieee80211_i.h
===================================================================
--- wireless-testing.orig/net/mac80211/ieee80211_i.h 2008-11-26 15:15:31.000000000 +0200
+++ wireless-testing/net/mac80211/ieee80211_i.h 2008-11-26 15:20:12.000000000 +0200
@@ -626,6 +626,7 @@
struct delayed_work scan_work;
struct ieee80211_sub_if_data *scan_sdata;
struct ieee80211_channel *oper_channel, *scan_channel;
+ enum nl80211_sec_chan_offset oper_sec_chan_offset;
u8 scan_ssid[IEEE80211_MAX_SSID_LEN];
size_t scan_ssid_len;
struct list_head bss_list;
Index: wireless-testing/net/mac80211/main.c
===================================================================
--- wireless-testing.orig/net/mac80211/main.c 2008-11-26 15:15:31.000000000 +0200
+++ wireless-testing/net/mac80211/main.c 2008-11-26 15:29:09.000000000 +0200
@@ -195,20 +195,42 @@
struct ieee80211_channel *chan;
int ret = 0;
int power;
+ enum nl80211_sec_chan_offset sec_chan_offset;
might_sleep();
- if (local->sw_scanning)
+ if (local->sw_scanning) {
chan = local->scan_channel;
- else
+ sec_chan_offset = NL80211_SEC_CHAN_NO_HT;
+ } else {
chan = local->oper_channel;
+ sec_chan_offset = local->oper_sec_chan_offset;
+ }
- if (chan != local->hw.conf.channel) {
+ if (chan != local->hw.conf.channel ||
+ sec_chan_offset != local->hw.conf.ht.sec_chan_offset) {
local->hw.conf.channel = chan;
+ switch (sec_chan_offset) {
+ case NL80211_SEC_CHAN_NO_HT:
+ local->hw.conf.ht.enabled = false;
+ local->hw.conf.ht.sec_chan_offset = 0;
+ break;
+ case NL80211_SEC_CHAN_DISABLED:
+ local->hw.conf.ht.enabled = true;
+ local->hw.conf.ht.sec_chan_offset = 0;
+ break;
+ case NL80211_SEC_CHAN_BELOW:
+ local->hw.conf.ht.enabled = true;
+ local->hw.conf.ht.sec_chan_offset = -1;
+ break;
+ case NL80211_SEC_CHAN_ABOVE:
+ local->hw.conf.ht.enabled = true;
+ local->hw.conf.ht.sec_chan_offset = 1;
+ break;
+ }
changed |= IEEE80211_CONF_CHANGE_CHANNEL;
}
-
if (!local->hw.conf.power_level)
power = chan->max_power;
else
--
Jouni Malinen PGP id EFC895FA
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View File

@ -1,210 +0,0 @@
Hostapd now passes the HT parameters through the config()
callback, use these to set the appropriate channel in AP mode.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
---
Note: This patch depends on [PATCHv2] nl80211: Add frequency configuration (including HT40)
posted by Jouni.
drivers/net/wireless/ath9k/main.c | 60 ++++++++++++++++++++++++++----------
drivers/net/wireless/ath9k/rc.c | 55 +++++++++++++++++++++++++++++----
2 files changed, 91 insertions(+), 24 deletions(-)
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 6e103d5..d1ddb07 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -622,35 +622,35 @@ static int ath_get_channel(struct ath_softc *sc,
return -1;
}
+/* ext_chan_offset: (-1, 0, 1) (below, none, above) */
+
static u32 ath_get_extchanmode(struct ath_softc *sc,
struct ieee80211_channel *chan,
- struct ieee80211_bss_conf *bss_conf)
+ int ext_chan_offset,
+ enum ath9k_ht_macmode tx_chan_width)
{
u32 chanmode = 0;
- u8 ext_chan_offset = bss_conf->ht.secondary_channel_offset;
- enum ath9k_ht_macmode tx_chan_width = (bss_conf->ht.width_40_ok) ?
- ATH9K_HT_MACMODE_2040 : ATH9K_HT_MACMODE_20;
switch (chan->band) {
case IEEE80211_BAND_2GHZ:
- if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_NONE) &&
+ if ((ext_chan_offset == 0) &&
(tx_chan_width == ATH9K_HT_MACMODE_20))
chanmode = CHANNEL_G_HT20;
- if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE) &&
+ if ((ext_chan_offset == 1) &&
(tx_chan_width == ATH9K_HT_MACMODE_2040))
chanmode = CHANNEL_G_HT40PLUS;
- if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW) &&
+ if ((ext_chan_offset == -1) &&
(tx_chan_width == ATH9K_HT_MACMODE_2040))
chanmode = CHANNEL_G_HT40MINUS;
break;
case IEEE80211_BAND_5GHZ:
- if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_NONE) &&
+ if ((ext_chan_offset == 0) &&
(tx_chan_width == ATH9K_HT_MACMODE_20))
chanmode = CHANNEL_A_HT20;
- if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE) &&
+ if ((ext_chan_offset == 1) &&
(tx_chan_width == ATH9K_HT_MACMODE_2040))
chanmode = CHANNEL_A_HT40PLUS;
- if ((ext_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW) &&
+ if ((ext_chan_offset == -1) &&
(tx_chan_width == ATH9K_HT_MACMODE_2040))
chanmode = CHANNEL_A_HT40MINUS;
break;
@@ -841,6 +841,18 @@ static void ath9k_ht_conf(struct ath_softc *sc,
}
}
+static inline int ath_sec_offset(u8 ext_offset)
+{
+ if (ext_offset == IEEE80211_HT_PARAM_CHA_SEC_NONE)
+ return 0;
+ else if (ext_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
+ return 1;
+ else if (ext_offset == IEEE80211_HT_PARAM_CHA_SEC_BELOW)
+ return -1;
+
+ return 0;
+}
+
static void ath9k_bss_assoc_info(struct ath_softc *sc,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf)
@@ -893,13 +905,14 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
}
if (hw->conf.ht.enabled) {
- sc->sc_ah->ah_channels[pos].chanmode =
- ath_get_extchanmode(sc, curchan, bss_conf);
+ int offset =
+ ath_sec_offset(bss_conf->ht.secondary_channel_offset);
+ sc->tx_chan_width = (bss_conf->ht.width_40_ok) ?
+ ATH9K_HT_MACMODE_2040 : ATH9K_HT_MACMODE_20;
- if (bss_conf->ht.width_40_ok)
- sc->tx_chan_width = ATH9K_HT_MACMODE_2040;
- else
- sc->tx_chan_width = ATH9K_HT_MACMODE_20;
+ sc->sc_ah->ah_channels[pos].chanmode =
+ ath_get_extchanmode(sc, curchan,
+ offset, sc->tx_chan_width);
} else {
sc->sc_ah->ah_channels[pos].chanmode =
(curchan->band == IEEE80211_BAND_2GHZ) ?
@@ -2172,9 +2185,22 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
(curchan->band == IEEE80211_BAND_2GHZ) ?
CHANNEL_G : CHANNEL_A;
- if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0)
+ if ((sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP) &&
+ (conf->ht.enabled)) {
+ sc->tx_chan_width = (!!conf->ht.sec_chan_offset) ?
+ ATH9K_HT_MACMODE_2040 : ATH9K_HT_MACMODE_20;
+
+ sc->sc_ah->ah_channels[pos].chanmode =
+ ath_get_extchanmode(sc, curchan,
+ conf->ht.sec_chan_offset,
+ sc->tx_chan_width);
+ }
+
+ if (ath_set_channel(sc, &sc->sc_ah->ah_channels[pos]) < 0) {
DPRINTF(sc, ATH_DBG_FATAL,
"%s: Unable to set channel\n", __func__);
+ return -EINVAL;
+ }
}
if (changed & IEEE80211_CONF_CHANGE_HT)
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index 93dfea8..7c08583 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -1304,6 +1304,38 @@ static void ath_rc_tx_status(struct ath_softc *sc,
xretries, long_retry);
}
+static struct ath_rate_table *ath_choose_rate_table(struct ath_softc *sc,
+ enum ieee80211_band band,
+ bool is_ht, bool is_cw_40)
+{
+ int mode = 0;
+
+ switch(band) {
+ case IEEE80211_BAND_2GHZ:
+ mode = ATH9K_MODE_11G;
+ if (is_ht)
+ mode = ATH9K_MODE_11NG_HT20;
+ if (is_cw_40)
+ mode = ATH9K_MODE_11NG_HT40PLUS;
+ break;
+ case IEEE80211_BAND_5GHZ:
+ mode = ATH9K_MODE_11A;
+ if (is_ht)
+ mode = ATH9K_MODE_11NA_HT20;
+ if (is_cw_40)
+ mode = ATH9K_MODE_11NA_HT40PLUS;
+ break;
+ default:
+ DPRINTF(sc, ATH_DBG_RATE, "Invalid band\n");
+ return NULL;
+ }
+
+ BUG_ON(mode >= ATH9K_MODE_MAX);
+
+ DPRINTF(sc, ATH_DBG_RATE, "Choosing rate table for mode: %d\n", mode);
+ return sc->hw_rate_table[mode];
+}
+
static void ath_rc_init(struct ath_softc *sc,
struct ath_rate_priv *ath_rc_priv,
struct ieee80211_supported_band *sband,
@@ -1314,16 +1346,25 @@ static void ath_rc_init(struct ath_softc *sc,
u8 *ht_mcs = (u8 *)&ath_rc_priv->neg_ht_rates;
u8 i, j, k, hi = 0, hthi = 0;
- rate_table = sc->hw_rate_table[sc->sc_curmode];
+ /* FIXME: Adhoc */
+ if ((sc->sc_ah->ah_opmode == ATH9K_M_STA) ||
+ (sc->sc_ah->ah_opmode == ATH9K_M_IBSS)) {
+ bool is_cw_40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ rate_table = ath_choose_rate_table(sc, sband->band,
+ sta->ht_cap.ht_supported,
+ is_cw_40);
+ } else if (sc->sc_ah->ah_opmode == ATH9K_M_HOSTAP) {
+ /* sc_curmode would be set on init through config() */
+ rate_table = sc->hw_rate_table[sc->sc_curmode];
+ }
- if (sta->ht_cap.ht_supported) {
- if (sband->band == IEEE80211_BAND_2GHZ)
- rate_table = sc->hw_rate_table[ATH9K_MODE_11NG_HT20];
- else
- rate_table = sc->hw_rate_table[ATH9K_MODE_11NA_HT20];
+ if (!rate_table) {
+ DPRINTF(sc, ATH_DBG_FATAL, "Rate table not initialized\n");
+ return;
+ }
+ if (sta->ht_cap.ht_supported) {
ath_rc_priv->ht_cap = (WLAN_RC_HT_FLAG | WLAN_RC_DS_FLAG);
-
if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
ath_rc_priv->ht_cap |= WLAN_RC_40_FLAG;
}
--
1.6.0.3
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