1.\" $NetBSD: ieee80211_input.9,v 1.5 2014/03/18 18:20:40 riastradh Exp $ 2.\" 3.\" Copyright (c) 2004 Bruce M. Simpson <bms@spc.org> 4.\" Copyright (c) 2004 Darron Broad <darron@kewl.org> 5.\" All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" $FreeBSD: src/share/man/man9/ieee80211_input.9,v 1.2 2004/07/07 12:59:39 ru Exp $ 29.\" 30.Dd September 12, 2006 31.Dt IEEE80211_INPUT 9 32.Os 33.Sh NAME 34.Nm ieee80211_input , ieee80211_decap , ieee80211_recv_mgmt 35.Nd software 802.11 stack input functions 36.Sh SYNOPSIS 37.In net80211/ieee80211_var.h 38.In net80211/ieee80211_proto.h 39.Ft void 40.Fo ieee80211_input 41.Fa "struct ieee80211com *ic" "struct mbuf *m" "struct ieee80211_node *ni" 42.Fa "int rssi" "u_int32_t rstamp" 43.Fc 44.Ft struct mbuf * 45.Fn ieee80211_decap "struct ieee80211com *ic" "struct mbuf *m" 46.Ft void 47.Fo ieee80211_recv_mgmt 48.Fa "struct ieee80211com *ic" "struct mbuf *m0" "struct ieee80211_node *ni" 49.Fa "int subtype" "int rssi" "u_int32_t rstamp" 50.Fc 51.Sh DESCRIPTION 52These 53functions process received 802.11 frames. 54.Pp 55.\" 56The 57.Fn ieee80211_input 58function takes an mbuf chain 59.Fa m 60containing a complete 802.11 frame from the driver 61.Fa ic 62and passes it to the software 802.11 stack for input processing. 63The 64.Fa ni 65argument specifies an instance of 66.Vt struct ieee80211_node 67(which may be driver-specific) representing the node from which the 68frame was received. 69The arguments 70.Fa rssi 71and 72.Fa stamp 73are typically derived from on-card data structures; they are used for 74recording the signal strength and time received of the frame respectively. 75.Pp 76.\" 77The 78.Fn ieee80211_decap 79function performs decapsulation of the 802.11 frame in the mbuf chain 80.Fa m 81received by the device 82.Fa ic , 83taking the form of the 802.11 address fields into account; 84the structure of 802.11 addresses vary according to the intended 85source and destination of the frame. 86It is typically called from within 87.Fn ieee80211_input . 88.Pp 89.\" 90The 91.Fn ieee80211_recv_mgmt 92performs input processing for 802.11 management frames. 93It is typically called from within 94.Fn ieee80211_input . 95.\" 96.Sh SEE ALSO 97.Xr ieee80211 9 98.Sh HISTORY 99The 100.Nm ieee80211 101series of functions first appeared in 102.Nx 1.5 , 103and were later ported to 104.Fx 4.6 . 105.Sh AUTHORS 106.An -nosplit 107This man page was written by 108.An Bruce M. Simpson Aq Mt bms@FreeBSD.org 109and 110.An Darron Broad Aq Mt darron@kewl.org . 111.Sh BUGS 112There is no netisr queue specifically for the software 802.11 stack yet. 113