'\" t
.\"     Title: struct sta_ampdu_mlme
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Internals
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "STRUCT STA_AMPDU_MLM" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Internals"
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.SH "NAME"
struct_sta_ampdu_mlme \- STA aggregation information\&.
.SH "SYNOPSIS"
.sp
.nf
struct sta_ampdu_mlme {
  struct mutex mtx;
  struct tid_ampdu_rx __rcu * tid_rx[IEEE80211_NUM_TIDS];
  unsigned long tid_rx_timer_expired[BITS_TO_LONGS(IEEE80211_NUM_TIDS)];
  unsigned long tid_rx_stop_requested[BITS_TO_LONGS(IEEE80211_NUM_TIDS)];
  unsigned long agg_session_valid[BITS_TO_LONGS(IEEE80211_NUM_TIDS)];
  struct work_struct work;
  struct tid_ampdu_tx __rcu * tid_tx[IEEE80211_NUM_TIDS];
  struct tid_ampdu_tx * tid_start_tx[IEEE80211_NUM_TIDS];
  unsigned long last_addba_req_time[IEEE80211_NUM_TIDS];
  u8 addba_req_num[IEEE80211_NUM_TIDS];
  u8 dialog_token_allocator;
};  
.fi
.SH "MEMBERS"
.PP
mtx
.RS 4
mutex to protect all TX data (except non\-NULL assignments to tid_tx[idx], which are protected by the sta spinlock) tid_start_tx is also protected by sta\->lock\&.
.RE
.PP
tid_rx[IEEE80211_NUM_TIDS]
.RS 4
aggregation info for Rx per TID \-\- RCU protected
.RE
.PP
tid_rx_timer_expired[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]
.RS 4
bitmap indicating on which TIDs the RX timer expired until the work for it runs
.RE
.PP
tid_rx_stop_requested[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]
.RS 4
bitmap indicating which BA sessions per TID the driver requested to close until the work for it runs
.RE
.PP
agg_session_valid[BITS_TO_LONGS(IEEE80211_NUM_TIDS)]
.RS 4
bitmap indicating which TID has a rx BA session open on
.RE
.PP
work
.RS 4
work struct for starting/stopping aggregation
.RE
.PP
tid_tx[IEEE80211_NUM_TIDS]
.RS 4
aggregation info for Tx per TID
.RE
.PP
tid_start_tx[IEEE80211_NUM_TIDS]
.RS 4
sessions where start was requested
.RE
.PP
last_addba_req_time[IEEE80211_NUM_TIDS]
.RS 4
timestamp of the last addBA request\&.
.RE
.PP
addba_req_num[IEEE80211_NUM_TIDS]
.RS 4
number of times addBA request has been sent\&.
.RE
.PP
dialog_token_allocator
.RS 4
dialog token enumerator for each new session;
.RE
.SH "AUTHOR"
.PP
\fBJohannes Berg\fR <\&johannes@sipsolutions.net\&>
.RS 4
Author.
.RE
.SH "COPYRIGHT"
.br