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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 cfg80211_bss</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1" /><link rel="home" href="index.html" title="The 802.11 subsystems – for kernel developers" /><link rel="up" href="bk01ch03.html" title="Chapter 3. Scanning and BSS list handling" /><link rel="prev" href="API-cfg80211-scan-done.html" title="cfg80211_scan_done" /><link rel="next" href="API-cfg80211-inform-bss-frame.html" title="cfg80211_inform_bss_frame" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>struct cfg80211_bss</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-cfg80211-scan-done.html">Prev</a> </td><th width="60%" align="center">Chapter 3. Scanning and BSS list handling</th><td width="20%" align="right"> <a accesskey="n" href="API-cfg80211-inform-bss-frame.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="struct cfg80211_bss"><a id="API-struct-cfg80211-bss"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>struct cfg80211_bss —
BSS description
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><pre class="programlisting">
struct cfg80211_bss {
struct ieee80211_channel * channel;
u8 bssid[ETH_ALEN];
u64 tsf;
u16 beacon_interval;
u16 capability;
u8 * information_elements;
size_t len_information_elements;
u8 * beacon_ies;
size_t len_beacon_ies;
u8 * proberesp_ies;
size_t len_proberesp_ies;
s32 signal;
void (* free_priv) (struct cfg80211_bss *bss);
u8 priv[0] __attribute__((__aligned__(sizeof(void *))));
}; </pre></div><div class="refsect1" title="Members"><a id="id3040161"></a><h2>Members</h2><div class="variablelist"><dl><dt><span class="term">channel</span></dt><dd><p>
channel this BSS is on
</p></dd><dt><span class="term">bssid[ETH_ALEN]</span></dt><dd><p>
BSSID of the BSS
</p></dd><dt><span class="term">tsf</span></dt><dd><p>
timestamp of last received update
</p></dd><dt><span class="term">beacon_interval</span></dt><dd><p>
the beacon interval as from the frame
</p></dd><dt><span class="term">capability</span></dt><dd><p>
the capability field in host byte order
</p></dd><dt><span class="term">information_elements</span></dt><dd><p>
the information elements (Note that there
is no guarantee that these are well-formed!); this is a pointer to
either the beacon_ies or proberesp_ies depending on whether Probe
Response frame has been received
</p></dd><dt><span class="term">len_information_elements</span></dt><dd><p>
total length of the information elements
</p></dd><dt><span class="term">beacon_ies</span></dt><dd><p>
the information elements from the last Beacon frame
</p></dd><dt><span class="term">len_beacon_ies</span></dt><dd><p>
total length of the beacon_ies
</p></dd><dt><span class="term">proberesp_ies</span></dt><dd><p>
the information elements from the last Probe Response frame
</p></dd><dt><span class="term">len_proberesp_ies</span></dt><dd><p>
total length of the proberesp_ies
</p></dd><dt><span class="term">signal</span></dt><dd><p>
signal strength value (type depends on the wiphy's signal_type)
</p></dd><dt><span class="term">free_priv</span></dt><dd><p>
function pointer to free private data
</p></dd><dt><span class="term">priv[0] __attribute__((__aligned__(sizeof(void *))))</span></dt><dd><p>
private area for driver use, has at least wiphy->bss_priv_size bytes
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3040337"></a><h2>Description</h2><p>
</p><p>
This structure describes a BSS (which may also be a mesh network)
for use in scan results and similar.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-cfg80211-scan-done.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="bk01ch03.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-cfg80211-inform-bss-frame.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>cfg80211_scan_done</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>cfg80211_inform_bss_frame</span></td></tr></table></div></body></html>
