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nl80211/cfg80211: extend mgmt-tx API for off-channel

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With p2p, it is sometimes necessary to transmit
a frame (typically an action frame) on another
channel than the current channel. Enable this
through the CMD_FRAME API, and allow it to wait
for a response. A new command allows that wait
to be aborted.

However, allow userspace to specify whether or
not it wants to allow off-channel TX, it may
actually want to use the same channel only.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2010-11-25 10:02:29 +01:00
committed by John W. Linville
parent 9a67d761b3
commit f7ca38dfe5
6 changed files with 91 additions and 22 deletions
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11
include/net/cfg80211.h
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@@ -1134,7 +1134,9 @@ struct cfg80211_pmksa {
* @cancel_remain_on_channel: Cancel an on-going remain-on-channel operation.
* This allows the operation to be terminated prior to timeout based on
* the duration value.
* @mgmt_tx: Transmit a management frame
* @mgmt_tx: Transmit a management frame.
* @mgmt_tx_cancel_wait: Cancel the wait time from transmitting a management
* frame on another channel
*
* @testmode_cmd: run a test mode command
*
@@ -1291,10 +1293,13 @@ struct cfg80211_ops {
u64 cookie);
int (*mgmt_tx)(struct wiphy *wiphy, struct net_device *dev,
struct ieee80211_channel *chan,
struct ieee80211_channel *chan, bool offchan,
enum nl80211_channel_type channel_type,
bool channel_type_valid,
bool channel_type_valid, unsigned int wait,
const u8 *buf, size_t len, u64 *cookie);
int (*mgmt_tx_cancel_wait)(struct wiphy *wiphy,
struct net_device *dev,
u64 cookie);
int (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev,
bool enabled, int timeout);