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Diffstat (limited to 'share/man/man9/ieee80211_input.9')
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diff --git a/share/man/man9/ieee80211_input.9 b/share/man/man9/ieee80211_input.9 new file mode 100644 index 000000000000..21c9f253c2ef --- /dev/null +++ b/share/man/man9/ieee80211_input.9 @@ -0,0 +1,113 @@ +.\" +.\" Copyright (c) 2004 Bruce M. Simpson <bms@spc.org> +.\" Copyright (c) 2004 Darron Broad <darron@kewl.org> +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" $Id: ieee80211_input.9,v 1.6 2004/03/04 12:33:27 bruce Exp $ +.\" +.Dd March 2, 2004 +.Dt IEEE80211_INPUT 9 +.Os +.Sh NAME +.Nm ieee80211_input , ieee80211_decap , ieee80211_recv_mgmt +.Nd software 802.11 stack input functions +.Sh SYNOPSIS +.In net80211/ieee80211_var.h +.In net80211/ieee80211_proto.h +.Ft void +.Fo ieee80211_input +.Fa "struct ifnet *ifp" "struct mbuf *m" "struct ieee80211_node *ni" +.Fa "int rssi" "u_int32_t rstamp" +.Fc +.Ft struct mbuf * +.Fn ieee80211_decap "struct ifnet *ifp" "struct mbuf *m" +.Ft void +.Fo ieee80211_recv_mgmt +.Fa "struct ieee80211com *ic" "struct mbuf *m0" "struct ieee80211_node *ni" +.Fa "int subtype" "int rssi" "u_int32_t rstamp" +.Fc +.Sh DESCRIPTION +These +functions process received 802.11 frames. +.Pp +.\" +The +.Fn ieee80211_input +function takes an mbuf chain +.Fa m +containing a complete 802.11 frame from the driver +.Fa ifp +and passes it to the software 802.11 stack for input processing. +The +.Fa ni +argument specifies an instance of +.Vt struct ieee80211_node +(which may be driver-specific) representing the node from which the +frame was received. +The arguments +.Fa rssi +and +.Fa stamp +are typically derived from on-card data structures; they are used for +recording the signal strength and time received of the frame respectively. +.Pp +.\" +The +.Fn ieee80211_decap +function performs decapsulation of the 802.11 frame in the mbuf chain +.Fa m +received by the device +.Fa ifp , +taking the form of the 802.11 address fields into account; +the structure of 802.11 addresses vary according to the intended +source and destination of the frame. +It is typically called from within +.Fn ieee80211_input . +.Pp +.\" +The +.Fn ieee80211_recv_mgmt +performs input processing for 802.11 management frames. +It is typically called from within +.Fn ieee80211_input . +.\" +.Sh SEE ALSO +.Xr ieee80211 9 , +.Xr ifnet 9 +.Sh HISTORY +The +.Nm ieee80211 +series of functions first appeared in +.Nx 1.5 , +and were later ported to +.Fx 4.6 . +.Sh AUTHORS +.An -nosplit +This manual page was written by +.An Bruce M. Simpson Aq bms@FreeBSD.org +and +.An Darron Broad Aq darron@kewl.org . +.Sh BUGS +There is no netisr queue specifically for the software 802.11 stack yet. |