diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/nl80211.h | 41 | ||||
-rw-r--r-- | include/net/cfg80211.h | 47 | ||||
-rw-r--r-- | include/net/mac80211.h | 6 |
3 files changed, 91 insertions, 3 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index 127a7301576..8e6384f8fda 100644 --- a/include/linux/nl80211.h +++ b/include/linux/nl80211.h @@ -3,7 +3,7 @@ /* * 802.11 netlink interface public header * - * Copyright 2006, 2007, 2008 Johannes Berg <johannes@sipsolutions.net> + * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> * Copyright 2008 Michael Wu <flamingice@sourmilk.net> * Copyright 2008 Luis Carlos Cobo <luisca@cozybit.com> * Copyright 2008 Michael Buesch <mb@bu3sch.de> @@ -299,6 +299,31 @@ * rate selection. %NL80211_ATTR_IFINDEX is used to specify the interface * and @NL80211_ATTR_TX_RATES the set of allowed rates. * + * @NL80211_CMD_REGISTER_ACTION: Register for receiving certain action frames + * (via @NL80211_CMD_ACTION) for processing in userspace. This command + * requires an interface index and a match attribute containing the first + * few bytes of the frame that should match, e.g. a single byte for only + * a category match or four bytes for vendor frames including the OUI. + * The registration cannot be dropped, but is removed automatically + * when the netlink socket is closed. Multiple registrations can be made. + * @NL80211_CMD_ACTION: Action frame TX request and RX notification. This + * command is used both as a request to transmit an Action frame and as an + * event indicating reception of an Action frame that was not processed in + * kernel code, but is for us (i.e., which may need to be processed in a + * user space application). %NL80211_ATTR_FRAME is used to specify the + * frame contents (including header). %NL80211_ATTR_WIPHY_FREQ (and + * optionally %NL80211_ATTR_WIPHY_CHANNEL_TYPE) is used to indicate on + * which channel the frame is to be transmitted or was received. This + * channel has to be the current channel (remain-on-channel or the + * operational channel). When called, this operation returns a cookie + * (%NL80211_ATTR_COOKIE) that will be included with the TX status event + * pertaining to the TX request. + * @NL80211_CMD_ACTION_TX_STATUS: Report TX status of an Action frame + * transmitted with %NL80211_CMD_ACTION. %NL80211_ATTR_COOKIE identifies + * the TX command and %NL80211_ATTR_FRAME includes the contents of the + * frame. %NL80211_ATTR_ACK flag is included if the recipient acknowledged + * the frame. + * * @NL80211_CMD_MAX: highest used command number * @__NL80211_CMD_AFTER_LAST: internal use */ @@ -387,6 +412,10 @@ enum nl80211_commands { NL80211_CMD_SET_TX_BITRATE_MASK, + NL80211_CMD_REGISTER_ACTION, + NL80211_CMD_ACTION, + NL80211_CMD_ACTION_TX_STATUS, + /* add new commands above here */ /* used to define NL80211_CMD_MAX below */ @@ -653,6 +682,12 @@ enum nl80211_commands { * rates based on negotiated supported rates information. This attribute * is used with %NL80211_CMD_SET_TX_BITRATE_MASK. * + * @NL80211_ATTR_FRAME_MATCH: A binary attribute which typically must contain + * at least one byte, currently used with @NL80211_CMD_REGISTER_ACTION. + * + * @NL80211_ATTR_ACK: Flag attribute indicating that the frame was + * acknowledged by the recipient. + * * @NL80211_ATTR_MAX: highest attribute number currently defined * @__NL80211_ATTR_AFTER_LAST: internal use */ @@ -798,6 +833,10 @@ enum nl80211_attrs { NL80211_ATTR_TX_RATES, + NL80211_ATTR_FRAME_MATCH, + + NL80211_ATTR_ACK, + /* add attributes here, update the policy in nl80211.c */ __NL80211_ATTR_AFTER_LAST, diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 5b3569b2a74..7188934b64d 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -3,7 +3,7 @@ /* * 802.11 device and configuration interface * - * Copyright 2006-2009 Johannes Berg <johannes@sipsolutions.net> + * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -998,6 +998,7 @@ 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. + * @action: Transmit an action frame * * @testmode_cmd: run a test mode command * @@ -1144,6 +1145,11 @@ struct cfg80211_ops { struct net_device *dev, u64 cookie); + int (*action)(struct wiphy *wiphy, struct net_device *dev, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type, + const u8 *buf, size_t len, u64 *cookie); + /* some temporary stuff to finish wext */ int (*set_power_mgmt)(struct wiphy *wiphy, struct net_device *dev, bool enabled, int timeout); @@ -1445,6 +1451,8 @@ struct cfg80211_cached_keys; * set by driver (if supported) on add_interface BEFORE registering the * netdev and may otherwise be used by driver read-only, will be update * by cfg80211 on change_interface + * @action_registrations: list of registrations for action frames + * @action_registrations_lock: lock for the list */ struct wireless_dev { struct wiphy *wiphy; @@ -1454,6 +1462,9 @@ struct wireless_dev { struct list_head list; struct net_device *netdev; + struct list_head action_registrations; + spinlock_t action_registrations_lock; + struct mutex mtx; struct work_struct cleanup_work; @@ -2291,4 +2302,38 @@ void cfg80211_remain_on_channel_expired(struct net_device *dev, void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, struct station_info *sinfo, gfp_t gfp); +/** + * cfg80211_rx_action - notification of received, unprocessed Action frame + * @dev: network device + * @freq: Frequency on which the frame was received in MHz + * @buf: Action frame (header + body) + * @len: length of the frame data + * @gfp: context flags + * Returns %true if a user space application is responsible for rejecting the + * unrecognized Action frame; %false if no such application is registered + * (i.e., the driver is responsible for rejecting the unrecognized Action + * frame) + * + * This function is called whenever an Action frame is received for a station + * mode interface, but is not processed in kernel. + */ +bool cfg80211_rx_action(struct net_device *dev, int freq, const u8 *buf, + size_t len, gfp_t gfp); + +/** + * cfg80211_action_tx_status - notification of TX status for Action frame + * @dev: network device + * @cookie: Cookie returned by cfg80211_ops::action() + * @buf: Action frame (header + body) + * @len: length of the frame data + * @ack: Whether frame was acknowledged + * @gfp: context flags + * + * This function is called whenever an Action frame was requested to be + * transmitted with cfg80211_ops::action() to report the TX status of the + * transmission attempt. + */ +void cfg80211_action_tx_status(struct net_device *dev, u64 cookie, + const u8 *buf, size_t len, bool ack, gfp_t gfp); + #endif /* __NET_CFG80211_H */ diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 314e9817316..80eb7cc42ce 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -3,7 +3,7 @@ * * Copyright 2002-2005, Devicescape Software, Inc. * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> - * Copyright 2007-2008 Johannes Berg <johannes@sipsolutions.net> + * Copyright 2007-2010 Johannes Berg <johannes@sipsolutions.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -264,6 +264,9 @@ struct ieee80211_bss_conf { * be modified again (no seqno assignment, crypto, etc.) * @IEEE80211_TX_INTFL_HAS_RADIOTAP: This frame was injected and still * has a radiotap header at skb->data. + * @IEEE80211_TX_INTFL_NL80211_FRAME_TX: Frame was requested through nl80211 + * MLME command (internal to mac80211 to figure out whether to send TX + * status to user space) */ enum mac80211_tx_control_flags { IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0), @@ -286,6 +289,7 @@ enum mac80211_tx_control_flags { IEEE80211_TX_CTL_MORE_FRAMES = BIT(18), IEEE80211_TX_INTFL_RETRANSMISSION = BIT(19), IEEE80211_TX_INTFL_HAS_RADIOTAP = BIT(20), + IEEE80211_TX_INTFL_NL80211_FRAME_TX = BIT(21), }; /** |