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nl80211: Add frequency configuration (including HT40)

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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>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jouni Malinen 2008-11-26 16:15:24 +02:00 • committed by John W. Linville
parent 72eaa43a53
commit 72bdcf3438
8 changed files with 133 additions and 8 deletions
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23
include/linux/nl80211.h
View file

@ -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 @@ enum nl80211_commands {
* /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 @@ enum nl80211_attrs {
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 @@ enum nl80211_attrs {
#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 @@ enum nl80211_txq_q {
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 */