[athani] Add a simple tool to list and control ANI parameters.
This is a WIP tool I'm using to figure out why ANI is weirdly busted in my home FreeBSD AP/STA setup. Although athstats (mostly) gets the ANI statistics correct, ANI is making the radio deaf it doesn't recover without being disabled. It's very WIP. Tested: * Carambola 2, (AR9331), AP/STA mode.
This commit is contained in:
Adrian Chadd
parent
7fbcfe69e7
commit
28adfbfe13
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=344842
@ -3,6 +3,6 @@
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SUBDIR= arcode athdebug athdecode athkey athpoke athprom athrd athregs athalq
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SUBDIR+= athstats ath_prom_read athradar athaggrstats
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SUBDIR+= ath_ee_v14_print ath_ee_v4k_print ath_ee_9287_print ath_ee_9300_print
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SUBDIR+= athsurvey athratestats athspectral
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SUBDIR+= athsurvey athratestats athspectral athani
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.include <bsd.subdir.mk>
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23
tools/tools/ath/athani/Makefile
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23
tools/tools/ath/athani/Makefile
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# $FreeBSD$
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PROG= athani
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MAN=
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CFLAGS+= -I../../../../sys/contrib
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SRCS= main.c
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.include <../Makefile.inc>
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CFLAGS+= -I${.CURDIR}/../common/
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.PATH.c: ${.CURDIR}/../common/
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SRCS+= ctrl.c
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CLEANFILES+= opt_ah.h
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opt_ah.h:
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echo "#define AH_DEBUG 1" > opt_ah.h
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echo "#define AH_DEBUG_COUNTRY 1" >> opt_ah.h
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echo "#define AH_SUPPORT_AR5416 1" >> opt_ah.h
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.include <bsd.prog.mk>
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226
tools/tools/ath/athani/main.c
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226
tools/tools/ath/athani/main.c
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/*-
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* Copyright (c) 2019 Adrian Chadd <adrian@FreeBSD.org>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*
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* $FreeBSD$
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*/
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#include "diag.h"
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#include "ah.h"
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#include "ah_internal.h"
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#include <getopt.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <err.h>
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#include "../common/ctrl.h"
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/*
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* This is a simple wrapper program around the ANI diagnostic interface.
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* It is for fetching and setting the live ANI configuration when trying
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* to diagnose a noisy environment.
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*/
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/*
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* HAL_DIAG_ANI_CMD is used to set the ANI configuration.
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* HAL_DIAG_ANI_CURRENT is used to fetch the current ANI configuration.
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*/
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struct ani_var {
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const char *name;
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int id;
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};
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static struct ani_var ani_labels[] = {
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{ "ofdm_noise_immunity_level", 1, },
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{ "noise_immunity_level", 1, },
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{ "ofdm_weak_signal_detect", 2, },
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{ "cck_weak_signal_threshold", 3, },
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{ "firstep_level", 4, },
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{ "spur_immunity_level", 5, },
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{ "mrc_cck", 8, },
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{ "cck_noise_immunity_level", 9, },
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{ NULL, -1, },
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};
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static void
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usage(void)
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{
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fprintf(stderr, "usage: athani [-i interface] [-l]\n");
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fprintf(stderr, " -i: interface\n");
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fprintf(stderr, " -l: list ANI labels\n");
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fprintf(stderr, " If no args are given after flags, the ANI state will be listed.\n");
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fprintf(stderr, " To set, use '<label> <value>' to set the state\n");
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exit(-1);
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}
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static void
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list_labels(void)
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{
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int i;
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for (i = 0; ani_labels[i].name != NULL; i++) {
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printf("%s (%d)\n", ani_labels[i].name, ani_labels[i].id);
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}
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}
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static int
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ani_write_state(struct ath_driver_req *req, const char *ifname,
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const char *label, const char *value)
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{
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struct ath_diag atd;
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uint32_t args[2];
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uint32_t cmd, val;
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size_t sl;
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int i;
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/* Find the label */
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sl = strlen(label);
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for (i = 0; ani_labels[i].name != NULL; i++) {
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if ((strlen(ani_labels[i].name) == sl) &&
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(strcmp(label, ani_labels[i].name) == 0)) {
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cmd = ani_labels[i].id;
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break;
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}
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}
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if (ani_labels[i].name == NULL) {
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fprintf(stderr, "%s: couldn't find ANI label (%s)\n",
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__func__, label);
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return (-1);
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}
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val = strtoul(value, NULL, 0);
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/*
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* Whilst we're doing the ath_diag pieces, we have to set this
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* ourselves.
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*/
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strncpy(atd.ad_name, ifname, sizeof (atd.ad_name));
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/*
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* Populate HAL_DIAG_ANI_CMD fields.
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*/
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args[0] = cmd;
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args[1] = val;
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atd.ad_id = HAL_DIAG_ANI_CMD | ATH_DIAG_IN;
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atd.ad_out_data = NULL;
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atd.ad_out_size = 0;
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atd.ad_in_data = (void *) &args;
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atd.ad_in_size = sizeof(args);
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if (ath_driver_req_fetch_diag(req, SIOCGATHDIAG, &atd) < 0) {
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warn("SIOCGATHDIAG HAL_DIAG_ANI_CMD (%s)", atd.ad_name);
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return (-1);
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}
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return (0);
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}
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static void
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ani_read_state(struct ath_driver_req *req, const char *ifname)
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{
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struct ath_diag atd;
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HAL_ANI_STATE state;
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/*
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* Whilst we're doing the ath_diag pieces, we have to set this
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* ourselves.
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*/
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strncpy(atd.ad_name, ifname, sizeof (atd.ad_name));
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atd.ad_id = HAL_DIAG_ANI_CURRENT; /* XXX | DIAG_DYN? */
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atd.ad_out_data = (caddr_t) &state;
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atd.ad_out_size = sizeof(state);
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if (ath_driver_req_fetch_diag(req, SIOCGATHDIAG, &atd) < 0)
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err(1, "%s", atd.ad_name);
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printf(" ofdm_noise_immunity_level=%d\n", state.noiseImmunityLevel);
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printf(" cck_noise_immunity_level=%d\n", state.cckNoiseImmunityLevel);
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printf(" spur_immunity_level=%d\n", state.spurImmunityLevel);
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printf(" firstep_level=%d\n", state.firstepLevel);
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printf(" ofdm_weak_signal_detect=%d\n", state.ofdmWeakSigDetectOff);
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printf(" cck_weak_signal_threshold=%d\n", state.cckWeakSigThreshold);
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printf(" mrc_cck=%d\n", state.mrcCckOff);
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/* XXX TODO: cycle counts? */
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}
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int
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main(int argc, char *argv[])
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{
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struct ath_diag atd;
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const char *ifname;
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struct ath_driver_req req;
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int what, c;
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ath_driver_req_init(&req);
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ifname = getenv("ATH");
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if (!ifname)
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ifname = ATH_DEFAULT;
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what = 0;
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while ((c = getopt(argc, argv, "i:l")) != -1)
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switch (c) {
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case 'i':
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ifname = optarg;
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break;
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case 'l':
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list_labels();
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exit(0);
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default:
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usage();
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/*NOTREACHED*/
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}
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/* Initialise the driver interface */
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if (ath_driver_req_open(&req, ifname) < 0) {
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exit(127);
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}
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argc -= optind;
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argv += optind;
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if (argc == 0) {
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ani_read_state(&req, ifname);
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exit(0);
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}
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if (argc < 2) {
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usage();
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/*NOTREACHED*/
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}
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if (ani_write_state(&req, ifname, argv[0], argv[1]) != 0)
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exit(1);
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exit(0);
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}
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