/* * mac80211_hwsim - software simulator of 802.11 radio(s) for mac80211 * Copyright (c) 2008, Jouni Malinen * Copyright (c) 2011, Javier Lopez * * 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 * published by the Free Software Foundation. */ #ifndef __MAC80211_HWSIM_H #define __MAC80211_HWSIM_H /** * enum hwsim_tx_control_flags - flags to describe transmission info/status * * These flags are used to give the wmediumd extra information in order to * modify its behavior for each frame * * @HWSIM_TX_CTL_REQ_TX_STATUS: require TX status callback for this frame. * @HWSIM_TX_CTL_NO_ACK: tell the wmediumd not to wait for an ack * @HWSIM_TX_STAT_ACK: Frame was acknowledged * */ enum hwsim_tx_control_flags { HWSIM_TX_CTL_REQ_TX_STATUS = BIT(0), HWSIM_TX_CTL_NO_ACK = BIT(1), HWSIM_TX_STAT_ACK = BIT(2), }; /** * DOC: Frame transmission/registration support * * Frame transmission and registration support exists to allow userspace * entities such as wmediumd to receive and process all broadcasted * frames from a mac80211_hwsim radio device. * * This allow user space applications to decide if the frame should be * dropped or not and implement a wireless medium simulator at user space. * * Registration is done by sending a register message to the driver and * will be automatically unregistered if the user application doesn't * responds to sent frames. * Once registered the user application has to take responsibility of * broadcasting the frames to all listening mac80211_hwsim radio * interfaces. * * For more technical details, see the corresponding command descriptions * below. */ /** * enum hwsim_commands - supported hwsim commands * * @HWSIM_CMD_UNSPEC: unspecified command to catch errors * * @HWSIM_CMD_REGISTER: request to register and received all broadcasted * frames by any mac80211_hwsim radio device. * @HWSIM_CMD_FRAME: send/receive a broadcasted frame from/to kernel/user * space, uses: * %HWSIM_ATTR_ADDR_TRANSMITTER, %HWSIM_ATTR_ADDR_RECEIVER, * %HWSIM_ATTR_FRAME, %HWSIM_ATTR_FLAGS, %HWSIM_ATTR_RX_RATE, * %HWSIM_ATTR_SIGNAL, %HWSIM_ATTR_COOKIE, %HWSIM_ATTR_FREQ (optional) * @HWSIM_CMD_TX_INFO_FRAME: Transmission info report from user space to * kernel, uses: * %HWSIM_ATTR_ADDR_TRANSMITTER, %HWSIM_ATTR_FLAGS, * %HWSIM_ATTR_TX_INFO, %HWSIM_ATTR_SIGNAL, %HWSIM_ATTR_COOKIE * @HWSIM_CMD_NEW_RADIO: create a new radio with the given parameters, * returns the radio ID (>= 0) or negative on errors, if successful * then multicast the result * @HWSIM_CMD_DEL_RADIO: destroy a radio, reply is multicasted * @__HWSIM_CMD_MAX: enum limit */ enum { HWSIM_CMD_UNSPEC, HWSIM_CMD_REGISTER, HWSIM_CMD_FRAME, HWSIM_CMD_TX_INFO_FRAME, HWSIM_CMD_NEW_RADIO, HWSIM_CMD_DEL_RADIO, __HWSIM_CMD_MAX, }; #define HWSIM_CMD_MAX (_HWSIM_CMD_MAX - 1) #define HWSIM_CMD_CREATE_RADIO HWSIM_CMD_NEW_RADIO #define HWSIM_CMD_DESTROY_RADIO HWSIM_CMD_DEL_RADIO /** * enum hwsim_attrs - hwsim netlink attributes * * @HWSIM_ATTR_UNSPEC: unspecified attribute to catch errors * * @HWSIM_ATTR_ADDR_RECEIVER: MAC address of the radio device that * the frame is broadcasted to * @HWSIM_ATTR_ADDR_TRANSMITTER: MAC address of the radio device that * the frame was broadcasted from * @HWSIM_ATTR_FRAME: Data array * @HWSIM_ATTR_FLAGS: mac80211 transmission flags, used to process properly the frame at user space * @HWSIM_ATTR_RX_RATE: estimated rx rate index for this frame at user space * @HWSIM_ATTR_SIGNAL: estimated RX signal for this frame at user space * @HWSIM_ATTR_TX_INFO: ieee80211_tx_rate array * @HWSIM_ATTR_COOKIE: sk_buff cookie to identify the frame * @HWSIM_ATTR_CHANNELS: u32 attribute used with the %HWSIM_CMD_CREATE_RADIO * command giving the number of channels supported by the new radio * @HWSIM_ATTR_RADIO_ID: u32 attribute used with %HWSIM_CMD_DESTROY_RADIO * only to destroy a radio * @HWSIM_ATTR_REG_HINT_ALPHA2: alpha2 for regulatoro driver hint * (nla string, length 2) * @HWSIM_ATTR_REG_CUSTOM_REG: custom regulatory domain index (u32 attribute) * @HWSIM_ATTR_REG_STRICT_REG: request REGULATORY_STRICT_REG (flag attribute) * @HWSIM_ATTR_SUPPORT_P2P_DEVICE: support P2P Device virtual interface (flag) * @HWSIM_ATTR_USE_CHANCTX: used with the %HWSIM_CMD_CREATE_RADIO * command to force use of channel contexts even when only a * single channel is supported * @HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE: used with the %HWSIM_CMD_CREATE_RADIO * command to force radio removal when process that created the radio dies * @HWSIM_ATTR_RADIO_NAME: Name of radio, e.g. phy666 * @HWSIM_ATTR_NO_VIF: Do not create vif (wlanX) when creating radio. * @HWSIM_ATTR_FREQ: Frequency at which packet is transmitted or received. * @__HWSIM_ATTR_MAX: enum limit */ enum { HWSIM_ATTR_UNSPEC, HWSIM_ATTR_ADDR_RECEIVER, HWSIM_ATTR_ADDR_TRANSMITTER, HWSIM_ATTR_FRAME, HWSIM_ATTR_FLAGS, HWSIM_ATTR_RX_RATE, HWSIM_ATTR_SIGNAL, HWSIM_ATTR_TX_INFO, HWSIM_ATTR_COOKIE, HWSIM_ATTR_CHANNELS, HWSIM_ATTR_RADIO_ID, HWSIM_ATTR_REG_HINT_ALPHA2, HWSIM_ATTR_REG_CUSTOM_REG, HWSIM_ATTR_REG_STRICT_REG, HWSIM_ATTR_SUPPORT_P2P_DEVICE, HWSIM_ATTR_USE_CHANCTX, HWSIM_ATTR_DESTROY_RADIO_ON_CLOSE, HWSIM_ATTR_RADIO_NAME, HWSIM_ATTR_NO_VIF, HWSIM_ATTR_FREQ, __HWSIM_ATTR_MAX, }; #define HWSIM_ATTR_MAX (__HWSIM_ATTR_MAX - 1) /** * struct hwsim_tx_rate - rate selection/status * * @idx: rate index to attempt to send with * @count: number of tries in this rate before going to the next rate * * A value of -1 for @idx indicates an invalid rate and, if used * in an array of retry rates, that no more rates should be tried. * * When used for transmit status reporting, the driver should * always report the rate and number of retries used. * */ struct hwsim_tx_rate { s8 idx; u8 count; } __packed; #endif /* __MAC80211_HWSIM_H */