Commit 11f4b1ce authored by Ron Rindjunsky's avatar Ron Rindjunsky Committed by John W. Linville

mac80211: adding mac80211_tx_control_flags and HT flags

This patch makes enum from the defines previously dwelled inside
ieee80211_tx_control for better readability.
The patch also addes HT flags, for 802.11n drivers:
- IEEE80211_TXCTL_OFDM_HT: request low-level driver to use HT OFDM rates
- IEEE80211_TXCTL_GREEN_FIELD: use green field protection
- IEEE80211_TXCTL_DUP_DATA: duplicate data on both 20 Mhz channels
- IEEE80211_TXCTL_40_MHZ_WIDTH: send this frame in 40Mhz width
- IEEE80211_TXCTL_SHORT_GI: send this frame with short guard interval

Tx command can be a combination of any of these flags, along with
bitrate represented by ieee80211_rate. this will allow legacy drivers to
switch easily to any 11n rate representation.
Signed-off-by: default avatarRon Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
CC: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 134eb5d3
......@@ -205,6 +205,58 @@ struct ieee80211_bss_conf {
bool use_short_preamble;
};
/**
* enum mac80211_tx_control_flags - flags to describe Tx configuration for
* the Tx frame
*
* These flags are used with the @flags member of &ieee80211_tx_control
*
* @IEEE80211_TXCTL_REQ_TX_STATUS: request TX status callback for this frame.
* @IEEE80211_TXCTL_DO_NOT_ENCRYPT: send this frame without encryption;
* e.g., for EAPOL frame
* @IEEE80211_TXCTL_USE_RTS_CTS: use RTS-CTS before sending frame
* @IEEE80211_TXCTL_USE_CTS_PROTECT: use CTS protection for the frame (e.g.,
* for combined 802.11g / 802.11b networks)
* @IEEE80211_TXCTL_NO_ACK: tell the low level not to wait for an ack
* @IEEE80211_TXCTL_RATE_CTRL_PROBE
* @EEE80211_TXCTL_CLEAR_PS_FILT: clear powersave filter
* for destination station
* @IEEE80211_TXCTL_REQUEUE:
* @IEEE80211_TXCTL_FIRST_FRAGMENT: this is a first fragment of the frame
* @IEEE80211_TXCTL_LONG_RETRY_LIMIT: this frame should be send using the
* through set_retry_limit configured long
* retry value
* @IEEE80211_TXCTL_EAPOL_FRAME: internal to mac80211
* @IEEE80211_TXCTL_SEND_AFTER_DTIM: send this frame after DTIM beacon
* @IEEE80211_TXCTL_AMPDU: this frame should be sent as part of an A-MPDU
* @IEEE80211_TXCTL_OFDM_HT: this frame can be sent in HT OFDM rates
* @IEEE80211_TXCTL_GREEN_FIELD: use green field protection for this frame
* @IEEE80211_TXCTL_40_MHZ_WIDTH: send this frame using 40 Mhz channel width
* @IEEE80211_TXCTL_DUP_DATA: duplicate data frame on both 20 Mhz channels
* @IEEE80211_TXCTL_SHORT_GI: send this frame using short guard interval
*/
enum mac80211_tx_control_flags {
IEEE80211_TXCTL_REQ_TX_STATUS = (1<<0),
IEEE80211_TXCTL_DO_NOT_ENCRYPT = (1<<1),
IEEE80211_TXCTL_USE_RTS_CTS = (1<<2),
IEEE80211_TXCTL_USE_CTS_PROTECT = (1<<3),
IEEE80211_TXCTL_NO_ACK = (1<<4),
IEEE80211_TXCTL_RATE_CTRL_PROBE = (1<<5),
IEEE80211_TXCTL_CLEAR_PS_FILT = (1<<6),
IEEE80211_TXCTL_REQUEUE = (1<<7),
IEEE80211_TXCTL_FIRST_FRAGMENT = (1<<8),
IEEE80211_TXCTL_SHORT_PREAMBLE = (1<<9),
IEEE80211_TXCTL_LONG_RETRY_LIMIT = (1<<10),
IEEE80211_TXCTL_EAPOL_FRAME = (1<<11),
IEEE80211_TXCTL_SEND_AFTER_DTIM = (1<<12),
IEEE80211_TXCTL_AMPDU = (1<<13),
IEEE80211_TXCTL_OFDM_HT = (1<<14),
IEEE80211_TXCTL_GREEN_FIELD = (1<<15),
IEEE80211_TXCTL_40_MHZ_WIDTH = (1<<16),
IEEE80211_TXCTL_DUP_DATA = (1<<17),
IEEE80211_TXCTL_SHORT_GI = (1<<18),
};
/* Transmit control fields. This data structure is passed to low-level driver
* with each TX frame. The low-level driver is responsible for configuring
* the hardware to use given values (depending on what is supported). */
......@@ -219,42 +271,14 @@ struct ieee80211_tx_control {
/* retry rate for the last retries */
struct ieee80211_rate *alt_retry_rate;
#define IEEE80211_TXCTL_REQ_TX_STATUS (1<<0)/* request TX status callback for
* this frame */
#define IEEE80211_TXCTL_DO_NOT_ENCRYPT (1<<1) /* send this frame without
* encryption; e.g., for EAPOL
* frames */
#define IEEE80211_TXCTL_USE_RTS_CTS (1<<2) /* use RTS-CTS before sending
* frame */
#define IEEE80211_TXCTL_USE_CTS_PROTECT (1<<3) /* use CTS protection for the
* frame (e.g., for combined
* 802.11g / 802.11b networks) */
#define IEEE80211_TXCTL_NO_ACK (1<<4) /* tell the low level not to
* wait for an ack */
#define IEEE80211_TXCTL_RATE_CTRL_PROBE (1<<5)
#define IEEE80211_TXCTL_CLEAR_PS_FILT (1<<6) /* clear powersave filter
* for destination station */
#define IEEE80211_TXCTL_REQUEUE (1<<7)
#define IEEE80211_TXCTL_FIRST_FRAGMENT (1<<8) /* this is a first fragment of
* the frame */
#define IEEE80211_TXCTL_SHORT_PREAMBLE (1<<9)
#define IEEE80211_TXCTL_LONG_RETRY_LIMIT (1<<10) /* this frame should be send
* using the through
* set_retry_limit configured
* long retry value */
#define IEEE80211_TXCTL_EAPOL_FRAME (1<<11) /* internal to mac80211 */
#define IEEE80211_TXCTL_SEND_AFTER_DTIM (1<<12) /* send this frame after DTIM
* beacon */
#define IEEE80211_TXCTL_AMPDU (1<<13) /* this frame should be sent
* as part of an A-MPDU */
u32 flags; /* tx control flags defined
* above */
u32 flags; /* tx control flags defined above */
u8 key_idx; /* keyidx from hw->set_key(), undefined if
* IEEE80211_TXCTL_DO_NOT_ENCRYPT is set */
u8 retry_limit; /* 1 = only first attempt, 2 = one retry, ..
* This could be used when set_retry_limit
* is not implemented by the driver */
u8 antenna_sel_tx; /* 0 = default/diversity, 1 = Ant0, 2 = Ant1 */
u8 antenna_sel_tx; /* 0 = default/diversity, otherwise bit
* position represents antenna number used */
u8 icv_len; /* length of the ICV/MIC field in octets */
u8 iv_len; /* length of the IV field in octets */
u8 queue; /* hardware queue to use for this frame;
......
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