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Current Path: /usr/src/sys/net80211

📁 ..
📄 _ieee80211.h(25.44 KB)
📄 ieee80211.c(71.87 KB)
📄 ieee80211.h(48.7 KB)
📄 ieee80211_acl.c(8.64 KB)
📄 ieee80211_action.c(8.16 KB)
📄 ieee80211_action.h(2.27 KB)
📄 ieee80211_adhoc.c(30.5 KB)
📄 ieee80211_adhoc.h(1.65 KB)
📄 ieee80211_ageq.c(6.17 KB)
📄 ieee80211_ageq.h(2.36 KB)
📄 ieee80211_alq.c(4.85 KB)
📄 ieee80211_alq.h(2.26 KB)
📄 ieee80211_amrr.c(14.35 KB)
📄 ieee80211_amrr.h(1.89 KB)
📄 ieee80211_crypto.c(21.96 KB)
📄 ieee80211_crypto.h(10.35 KB)
📄 ieee80211_crypto_ccmp.c(18.27 KB)
📄 ieee80211_crypto_none.c(4.3 KB)
📄 ieee80211_crypto_tkip.c(30.23 KB)
📄 ieee80211_crypto_wep.c(15.13 KB)
📄 ieee80211_ddb.c(29.23 KB)
📄 ieee80211_dfs.c(12.5 KB)
📄 ieee80211_dfs.h(2.5 KB)
📄 ieee80211_freebsd.c(29.56 KB)
📄 ieee80211_freebsd.h(24.14 KB)
📄 ieee80211_hostap.c(70.12 KB)
📄 ieee80211_hostap.h(1.75 KB)
📄 ieee80211_ht.c(104.16 KB)
📄 ieee80211_ht.h(9.15 KB)
📄 ieee80211_hwmp.c(65.62 KB)
📄 ieee80211_input.c(27.5 KB)
📄 ieee80211_input.h(10.19 KB)
📄 ieee80211_ioctl.c(103.57 KB)
📄 ieee80211_ioctl.h(37.22 KB)
📄 ieee80211_mesh.c(104.89 KB)
📄 ieee80211_mesh.h(19.62 KB)
📄 ieee80211_monitor.c(3.87 KB)
📄 ieee80211_monitor.h(1.65 KB)
📄 ieee80211_node.c(86.68 KB)
📄 ieee80211_node.h(21.23 KB)
📄 ieee80211_output.c(119.38 KB)
📄 ieee80211_phy.c(21.24 KB)
📄 ieee80211_phy.h(7.16 KB)
📄 ieee80211_power.c(17.37 KB)
📄 ieee80211_power.h(3.47 KB)
📄 ieee80211_proto.c(81.17 KB)
📄 ieee80211_proto.h(18.49 KB)
📄 ieee80211_radiotap.c(10.36 KB)
📄 ieee80211_radiotap.h(14.32 KB)
📄 ieee80211_ratectl.c(4.06 KB)
📄 ieee80211_ratectl.h(5.49 KB)
📄 ieee80211_ratectl_none.c(3.15 KB)
📄 ieee80211_regdomain.c(14.23 KB)
📄 ieee80211_regdomain.h(10.49 KB)
📄 ieee80211_rssadapt.c(10.82 KB)
📄 ieee80211_rssadapt.h(2.91 KB)
📄 ieee80211_scan.c(18.27 KB)
📄 ieee80211_scan.h(14.65 KB)
📄 ieee80211_scan_sta.c(57.3 KB)
📄 ieee80211_scan_sw.c(30.55 KB)
📄 ieee80211_scan_sw.h(1.51 KB)
📄 ieee80211_sta.c(60.31 KB)
📄 ieee80211_sta.h(2 KB)
📄 ieee80211_superg.c(29.08 KB)
📄 ieee80211_superg.h(5.42 KB)
📄 ieee80211_tdma.c(24.46 KB)
📄 ieee80211_tdma.h(4.05 KB)
📄 ieee80211_var.h(45.45 KB)
📄 ieee80211_vht.c(24.16 KB)
📄 ieee80211_vht.h(2.85 KB)
📄 ieee80211_wds.c(23.31 KB)
📄 ieee80211_wds.h(1.81 KB)
📄 ieee80211_wps.h(6.59 KB)
📄 ieee80211_xauth.c(2.79 KB)

Editing: ieee80211_alq.c

/*-
 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
 *
 * Copyright (c) 2011 Adrian Chadd, Xenion Lty Ltd
 * 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 ``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 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.
 */

#include <sys/cdefs.h>
#ifdef __FreeBSD__
__FBSDID("$FreeBSD$");
#endif

/*
 * net80211 fast-logging support, primarily for debugging.
 *
 * This implements a single debugging queue which includes
 * per-device enumeration where needed.
 */

#include "opt_wlan.h"

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/endian.h>
#include <sys/kernel.h>
#include <sys/sysctl.h>
#include <sys/pcpu.h>
#include <sys/proc.h>
#include <sys/ucred.h>
#include <sys/alq.h>

#include <sys/socket.h>

#include <net/if.h>
#include <net/if_var.h>
#include <net/if_media.h>
#include <net/ethernet.h>

#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_freebsd.h>
#include <net80211/ieee80211_alq.h>

static struct alq *ieee80211_alq;
static int ieee80211_alq_lost;
static int ieee80211_alq_logged;
static char ieee80211_alq_logfile[MAXPATHLEN] = "/tmp/net80211.log";
static unsigned int ieee80211_alq_qsize = 64*1024;

static int
ieee80211_alq_setlogging(int enable)
{
	int error;

if (enable) {
		if (ieee80211_alq)
			alq_close(ieee80211_alq);

error = alq_open(&ieee80211_alq,
		    ieee80211_alq_logfile,
		    curthread->td_ucred,
		    ALQ_DEFAULT_CMODE,
		    ieee80211_alq_qsize, 0);
		ieee80211_alq_lost = 0;
		ieee80211_alq_logged = 0;
		printf("net80211: logging to %s enabled; "
		    "struct size %d bytes\n",
		    ieee80211_alq_logfile,
		    (int) sizeof(struct ieee80211_alq_rec));
	} else {
		if (ieee80211_alq)
			alq_close(ieee80211_alq);
		ieee80211_alq = NULL;
		printf("net80211: logging disabled\n");
		error = 0;
	}
	return (error);
}

static int
sysctl_ieee80211_alq_log(SYSCTL_HANDLER_ARGS)
{
	int error, enable;

enable = (ieee80211_alq != NULL);
	error = sysctl_handle_int(oidp, &enable, 0, req);
	if (error || !req->newptr)
		return (error);
	else
		return (ieee80211_alq_setlogging(enable));
}

SYSCTL_PROC(_net_wlan, OID_AUTO, alq,
    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 0, 0,
    sysctl_ieee80211_alq_log, "I",
    "Enable net80211 alq logging");
SYSCTL_INT(_net_wlan, OID_AUTO, alq_size, CTLFLAG_RW,
	&ieee80211_alq_qsize, 0, "In-memory log size (bytes)");
SYSCTL_INT(_net_wlan, OID_AUTO, alq_lost, CTLFLAG_RW,
	&ieee80211_alq_lost, 0, "Debugging operations not logged");
SYSCTL_INT(_net_wlan, OID_AUTO, alq_logged, CTLFLAG_RW,
	&ieee80211_alq_logged, 0, "Debugging operations logged");

static struct ale *
ieee80211_alq_get(size_t len)
{
	struct ale *ale;

ale = alq_getn(ieee80211_alq, len + sizeof(struct ieee80211_alq_rec),
	    ALQ_NOWAIT);
	if (!ale)
		ieee80211_alq_lost++;
	else
		ieee80211_alq_logged++;
	return ale;
}

int
ieee80211_alq_log(struct ieee80211com *ic, struct ieee80211vap *vap,
    uint32_t op, uint32_t flags, uint16_t srcid, const uint8_t *src,
    size_t len)
{
	struct ale *ale;
	struct ieee80211_alq_rec *r;
	char *dst;

/* Don't log if we're disabled */
	if (ieee80211_alq == NULL)
		return (0);

if (len > IEEE80211_ALQ_MAX_PAYLOAD)
		return (ENOMEM);

ale = ieee80211_alq_get(len);
	if (! ale)
		return (ENOMEM);

r = (struct ieee80211_alq_rec *) ale->ae_data;
	dst = ((char *) r) + sizeof(struct ieee80211_alq_rec);
	r->r_timestamp = htobe64(ticks);
	if (vap != NULL) {
		r->r_wlan = htobe16(vap->iv_ifp->if_dunit);
	} else {
		r->r_wlan = 0xffff;
	}
	r->r_src = htobe16(srcid);
	r->r_flags = htobe32(flags);
	r->r_op = htobe32(op);
	r->r_len = htobe32(len + sizeof(struct ieee80211_alq_rec));
	r->r_threadid = htobe32((uint32_t) curthread->td_tid);

if (src != NULL)
		memcpy(dst, src, len);

alq_post(ieee80211_alq, ale);

return (0);
}

003 File Manager

Editing: ieee80211_alq.c

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