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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>struct sta_info</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="The mac80211 subsystem for kernel developers" /><link rel="up" href="ch17.html#id2712670" title="Programming information" /><link rel="prev" href="ch17.html" title="Chapter 17. Station info handling" /><link rel="next" href="re45.html" title="enum ieee80211_sta_info_flags" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>struct sta_info</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch17.html">Prev</a> </td><th width="60%" align="center">Programming information</th><td width="20%" align="right"> <a accesskey="n" href="re45.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="struct sta_info"><a id="API-struct-sta-info"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>struct sta_info —
STA information
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><pre class="programlisting">
struct sta_info {
struct list_head list;
struct sta_info * hnext;
struct ieee80211_local * local;
struct ieee80211_sub_if_data * sdata;
struct ieee80211_key * key;
struct rate_control_ref * rate_ctrl;
void * rate_ctrl_priv;
spinlock_t lock;
spinlock_t flaglock;
u16 listen_interval;
u8 pin_status;
u32 flags;
struct sk_buff_head ps_tx_buf;
struct sk_buff_head tx_filtered;
unsigned long rx_packets;
unsigned long rx_bytes;
unsigned long wep_weak_iv_count;
unsigned long last_rx;
unsigned long num_duplicates;
unsigned long rx_fragments;
unsigned long rx_dropped;
int last_signal;
int last_qual;
int last_noise;
__le16 last_seq_ctrl[NUM_RX_DATA_QUEUES];
unsigned long tx_filtered_count;
unsigned long tx_retry_failed;
unsigned long tx_retry_count;
unsigned int fail_avg;
unsigned long tx_packets;
unsigned long tx_bytes;
unsigned long tx_fragments;
struct ieee80211_tx_rate last_tx_rate;
u16 tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1];
struct sta_ampdu_mlme ampdu_mlme;
u8 timer_to_tid[STA_TID_NUM];
#ifdef CONFIG_MAC80211_MESH
__le16 llid;
__le16 plid;
__le16 reason;
u8 plink_retries;
bool ignore_plink_timer;
bool plink_timer_was_running;
enum plink_state plink_state;
u32 plink_timeout;
struct timer_list plink_timer;
#endif
#ifdef CONFIG_MAC80211_DEBUGFS
struct sta_info_debugfsdentries debugfs;
#endif
struct ieee80211_sta sta;
}; </pre></div><div class="refsect1" title="Members"><a id="id2712779"></a><h2>Members</h2><div class="variablelist"><dl><dt><span class="term">list</span></dt><dd><p>
global linked list entry
</p></dd><dt><span class="term">hnext</span></dt><dd><p>
hash table linked list pointer
</p></dd><dt><span class="term">local</span></dt><dd><p>
pointer to the global information
</p></dd><dt><span class="term">sdata</span></dt><dd><p>
virtual interface this station belongs to
</p></dd><dt><span class="term">key</span></dt><dd><p>
peer key negotiated with this station, if any
</p></dd><dt><span class="term">rate_ctrl</span></dt><dd><p>
rate control algorithm reference
</p></dd><dt><span class="term">rate_ctrl_priv</span></dt><dd><p>
rate control private per-STA pointer
</p></dd><dt><span class="term">lock</span></dt><dd><p>
used for locking all fields that require locking, see comments
in the header file.
</p></dd><dt><span class="term">flaglock</span></dt><dd><p>
spinlock for flags accesses
</p></dd><dt><span class="term">listen_interval</span></dt><dd><p>
listen interval of this station, when we're acting as AP
</p></dd><dt><span class="term">pin_status</span></dt><dd><p>
used internally for pinning a STA struct into memory
</p></dd><dt><span class="term">flags</span></dt><dd><p>
STA flags, see <span class="structname">enum</span> ieee80211_sta_info_flags
</p></dd><dt><span class="term">ps_tx_buf</span></dt><dd><p>
buffer of frames to transmit to this station
when it leaves power saving state
</p></dd><dt><span class="term">tx_filtered</span></dt><dd><p>
buffer of frames we already tried to transmit
but were filtered by hardware due to STA having entered
power saving state
</p></dd><dt><span class="term">rx_packets</span></dt><dd><p>
Number of MSDUs received from this STA
</p></dd><dt><span class="term">rx_bytes</span></dt><dd><p>
Number of bytes received from this STA
</p></dd><dt><span class="term">wep_weak_iv_count</span></dt><dd><p>
number of weak WEP IVs received from this station
</p></dd><dt><span class="term">last_rx</span></dt><dd><p>
time (in jiffies) when last frame was received from this STA
</p></dd><dt><span class="term">num_duplicates</span></dt><dd><p>
number of duplicate frames received from this STA
</p></dd><dt><span class="term">rx_fragments</span></dt><dd><p>
number of received MPDUs
</p></dd><dt><span class="term">rx_dropped</span></dt><dd><p>
number of dropped MPDUs from this STA
</p></dd><dt><span class="term">last_signal</span></dt><dd><p>
signal of last received frame from this STA
</p></dd><dt><span class="term">last_qual</span></dt><dd><p>
qual of last received frame from this STA
</p></dd><dt><span class="term">last_noise</span></dt><dd><p>
noise of last received frame from this STA
</p></dd><dt><span class="term">last_seq_ctrl[NUM_RX_DATA_QUEUES]</span></dt><dd><p>
last received seq/frag number from this STA (per RX queue)
</p></dd><dt><span class="term">tx_filtered_count</span></dt><dd><p>
number of frames the hardware filtered for this STA
</p></dd><dt><span class="term">tx_retry_failed</span></dt><dd><p>
number of frames that failed retry
</p></dd><dt><span class="term">tx_retry_count</span></dt><dd><p>
total number of retries for frames to this STA
</p></dd><dt><span class="term">fail_avg</span></dt><dd><p>
moving percentage of failed MSDUs
</p></dd><dt><span class="term">tx_packets</span></dt><dd><p>
number of RX/TX MSDUs
</p></dd><dt><span class="term">tx_bytes</span></dt><dd><p>
number of bytes transmitted to this STA
</p></dd><dt><span class="term">tx_fragments</span></dt><dd><p>
number of transmitted MPDUs
</p></dd><dt><span class="term">last_tx_rate</span></dt><dd><p>
rate used for last transmit, to report to userspace as
<span class="quote">“<span class="quote">the</span>”</span> transmit rate
</p></dd><dt><span class="term">tid_seq[IEEE80211_QOS_CTL_TID_MASK + 1]</span></dt><dd><p>
per-TID sequence numbers for sending to this STA
</p></dd><dt><span class="term">ampdu_mlme</span></dt><dd><p>
A-MPDU state machine state
</p></dd><dt><span class="term">timer_to_tid[STA_TID_NUM]</span></dt><dd><p>
identity mapping to ID timers
</p></dd><dt><span class="term">llid</span></dt><dd><p>
Local link ID
</p></dd><dt><span class="term">plid</span></dt><dd><p>
Peer link ID
</p></dd><dt><span class="term">reason</span></dt><dd><p>
Cancel reason on PLINK_HOLDING state
</p></dd><dt><span class="term">plink_retries</span></dt><dd><p>
Retries in establishment
</p></dd><dt><span class="term">ignore_plink_timer</span></dt><dd><p>
ignore the peer-link timer (used internally)
</p></dd><dt><span class="term">plink_timer_was_running</span></dt><dd><p>
used by suspend/resume to restore timers
</p></dd><dt><span class="term">plink_state</span></dt><dd><p>
peer link state
</p></dd><dt><span class="term">plink_timeout</span></dt><dd><p>
timeout of peer link
</p></dd><dt><span class="term">plink_timer</span></dt><dd><p>
peer link watch timer
</p></dd><dt><span class="term">debugfs</span></dt><dd><p>
debug filesystem info
</p></dd><dt><span class="term">sta</span></dt><dd><p>
station information we share with the driver
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2713340"></a><h2>Description</h2><p>
</p><p>
This structure collects information about a station that
mac80211 is communicating with.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch17.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch17.html#id2712670">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re45.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 17. Station info handling </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>enum ieee80211_sta_info_flags</span></td></tr></table></div></body></html>
