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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: Ron Rindjunsky <ron.rindjunsky@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> CC: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ron Rindjunsky
John W. Linville
parent
134eb5d327
commit
11f4b1cec9
@ -205,6 +205,58 @@ struct ieee80211_bss_conf {
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bool use_short_preamble;
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};
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/**
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* enum mac80211_tx_control_flags - flags to describe Tx configuration for
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* the Tx frame
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*
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* These flags are used with the @flags member of &ieee80211_tx_control
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*
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* @IEEE80211_TXCTL_REQ_TX_STATUS: request TX status callback for this frame.
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* @IEEE80211_TXCTL_DO_NOT_ENCRYPT: send this frame without encryption;
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* e.g., for EAPOL frame
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* @IEEE80211_TXCTL_USE_RTS_CTS: use RTS-CTS before sending frame
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* @IEEE80211_TXCTL_USE_CTS_PROTECT: use CTS protection for the frame (e.g.,
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* for combined 802.11g / 802.11b networks)
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* @IEEE80211_TXCTL_NO_ACK: tell the low level not to wait for an ack
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* @IEEE80211_TXCTL_RATE_CTRL_PROBE
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* @EEE80211_TXCTL_CLEAR_PS_FILT: clear powersave filter
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* for destination station
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* @IEEE80211_TXCTL_REQUEUE:
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* @IEEE80211_TXCTL_FIRST_FRAGMENT: this is a first fragment of the frame
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* @IEEE80211_TXCTL_LONG_RETRY_LIMIT: this frame should be send using the
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* through set_retry_limit configured long
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* retry value
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* @IEEE80211_TXCTL_EAPOL_FRAME: internal to mac80211
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* @IEEE80211_TXCTL_SEND_AFTER_DTIM: send this frame after DTIM beacon
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* @IEEE80211_TXCTL_AMPDU: this frame should be sent as part of an A-MPDU
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* @IEEE80211_TXCTL_OFDM_HT: this frame can be sent in HT OFDM rates
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* @IEEE80211_TXCTL_GREEN_FIELD: use green field protection for this frame
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* @IEEE80211_TXCTL_40_MHZ_WIDTH: send this frame using 40 Mhz channel width
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* @IEEE80211_TXCTL_DUP_DATA: duplicate data frame on both 20 Mhz channels
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* @IEEE80211_TXCTL_SHORT_GI: send this frame using short guard interval
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*/
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enum mac80211_tx_control_flags {
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IEEE80211_TXCTL_REQ_TX_STATUS = (1<<0),
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IEEE80211_TXCTL_DO_NOT_ENCRYPT = (1<<1),
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IEEE80211_TXCTL_USE_RTS_CTS = (1<<2),
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IEEE80211_TXCTL_USE_CTS_PROTECT = (1<<3),
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IEEE80211_TXCTL_NO_ACK = (1<<4),
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IEEE80211_TXCTL_RATE_CTRL_PROBE = (1<<5),
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IEEE80211_TXCTL_CLEAR_PS_FILT = (1<<6),
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IEEE80211_TXCTL_REQUEUE = (1<<7),
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IEEE80211_TXCTL_FIRST_FRAGMENT = (1<<8),
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IEEE80211_TXCTL_SHORT_PREAMBLE = (1<<9),
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IEEE80211_TXCTL_LONG_RETRY_LIMIT = (1<<10),
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IEEE80211_TXCTL_EAPOL_FRAME = (1<<11),
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IEEE80211_TXCTL_SEND_AFTER_DTIM = (1<<12),
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IEEE80211_TXCTL_AMPDU = (1<<13),
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IEEE80211_TXCTL_OFDM_HT = (1<<14),
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IEEE80211_TXCTL_GREEN_FIELD = (1<<15),
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IEEE80211_TXCTL_40_MHZ_WIDTH = (1<<16),
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IEEE80211_TXCTL_DUP_DATA = (1<<17),
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IEEE80211_TXCTL_SHORT_GI = (1<<18),
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};
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/* Transmit control fields. This data structure is passed to low-level driver
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* with each TX frame. The low-level driver is responsible for configuring
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* the hardware to use given values (depending on what is supported). */
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@ -219,42 +271,14 @@ struct ieee80211_tx_control {
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/* retry rate for the last retries */
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struct ieee80211_rate *alt_retry_rate;
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#define IEEE80211_TXCTL_REQ_TX_STATUS (1<<0)/* request TX status callback for
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* this frame */
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#define IEEE80211_TXCTL_DO_NOT_ENCRYPT (1<<1) /* send this frame without
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* encryption; e.g., for EAPOL
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* frames */
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#define IEEE80211_TXCTL_USE_RTS_CTS (1<<2) /* use RTS-CTS before sending
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* frame */
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#define IEEE80211_TXCTL_USE_CTS_PROTECT (1<<3) /* use CTS protection for the
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* frame (e.g., for combined
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* 802.11g / 802.11b networks) */
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#define IEEE80211_TXCTL_NO_ACK (1<<4) /* tell the low level not to
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* wait for an ack */
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#define IEEE80211_TXCTL_RATE_CTRL_PROBE (1<<5)
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#define IEEE80211_TXCTL_CLEAR_PS_FILT (1<<6) /* clear powersave filter
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* for destination station */
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#define IEEE80211_TXCTL_REQUEUE (1<<7)
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#define IEEE80211_TXCTL_FIRST_FRAGMENT (1<<8) /* this is a first fragment of
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* the frame */
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#define IEEE80211_TXCTL_SHORT_PREAMBLE (1<<9)
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#define IEEE80211_TXCTL_LONG_RETRY_LIMIT (1<<10) /* this frame should be send
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* using the through
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* set_retry_limit configured
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* long retry value */
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#define IEEE80211_TXCTL_EAPOL_FRAME (1<<11) /* internal to mac80211 */
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#define IEEE80211_TXCTL_SEND_AFTER_DTIM (1<<12) /* send this frame after DTIM
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* beacon */
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#define IEEE80211_TXCTL_AMPDU (1<<13) /* this frame should be sent
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* as part of an A-MPDU */
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u32 flags; /* tx control flags defined
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* above */
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u32 flags; /* tx control flags defined above */
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u8 key_idx; /* keyidx from hw->set_key(), undefined if
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* IEEE80211_TXCTL_DO_NOT_ENCRYPT is set */
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u8 retry_limit; /* 1 = only first attempt, 2 = one retry, ..
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* This could be used when set_retry_limit
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* is not implemented by the driver */
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u8 antenna_sel_tx; /* 0 = default/diversity, 1 = Ant0, 2 = Ant1 */
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u8 antenna_sel_tx; /* 0 = default/diversity, otherwise bit
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* position represents antenna number used */
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u8 icv_len; /* length of the ICV/MIC field in octets */
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u8 iv_len; /* length of the IV field in octets */
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u8 queue; /* hardware queue to use for this frame;
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