Author: adrian
Date: Sat Nov 17 01:11:00 2012
New Revision: 243166
URL: http://svnweb.freebsd.org/changeset/base/243166
Log:
Implement a basic data decoder for the data produced by if_ath_alq.
This decodes the AR5416 family 11n TX and RX descriptors.
Added:
head/tools/tools/ath/athalq/
head/tools/tools/ath/athalq/Makefile (contents, props changed)
head/tools/tools/ath/athalq/ar5416_ds.c (contents, props changed)
head/tools/tools/ath/athalq/ar5416_ds.h (contents, props changed)
head/tools/tools/ath/athalq/main.c (contents, props changed)
Added: head/tools/tools/ath/athalq/Makefile
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/tools/tools/ath/athalq/Makefile Sat Nov 17 01:11:00 2012
(r243166)
@@ -0,0 +1,10 @@
+# $FreeBSD$
+
+PROG= athalq
+NOMAN= yes
+
+SRCS= main.c ar5416_ds.c
+
+.include <../Makefile.inc>
+
+.include <bsd.prog.mk>
Added: head/tools/tools/ath/athalq/ar5416_ds.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/tools/tools/ath/athalq/ar5416_ds.c Sat Nov 17 01:11:00 2012
(r243166)
@@ -0,0 +1,356 @@
+/*
+ * Copyright (c) 2012 Adrian Chadd <adr...@freebsd.org>
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <sys/alq.h>
+#include <sys/endian.h>
+
+#include <dev/ath/if_ath_alq.h>
+#include <dev/ath/ath_hal/ar5416/ar5416desc.h>
+
+#include "ar5416_ds.h"
+
+#define MS(_v, _f) ( ((_v) & (_f)) >> _f##_S )
+#define MF(_v, _f) ( !! ((_v) & (_f)))
+
+static void
+ar5416_decode_txstatus(struct if_ath_alq_payload *a)
+{
+ struct ar5416_desc txs;
+
+ /* XXX assumes txs is smaller than PAYLOAD_LEN! */
+ memcpy(&txs, &a->payload, sizeof(struct ar5416_desc));
+
+ printf("[%u] [%llu] TXSTATUS\n",
+ (unsigned int) be32toh(a->hdr.tstamp),
+ (unsigned long long) be64toh(a->hdr.threadid));
+
+ /* ds_txstatus0 */
+ printf(" RX RSSI 0 [%d %d %d]\n",
+ MS(txs.u.tx.status[0], AR_TxRSSIAnt00),
+ MS(txs.u.tx.status[0], AR_TxRSSIAnt01),
+ MS(txs.u.tx.status[0], AR_TxRSSIAnt02));
+ printf(" BA Valid=%d\n",
+ MF(txs.u.tx.status[0], AR_TxBaStatus));
+
+ /* ds_txstatus1 */
+ printf(" Frmok=%d, xretries=%d, fifounderrun=%d, filt=%d\n",
+ MF(txs.u.tx.status[1], AR_FrmXmitOK),
+ MF(txs.u.tx.status[1], AR_ExcessiveRetries),
+ MF(txs.u.tx.status[1], AR_FIFOUnderrun),
+ MF(txs.u.tx.status[1], AR_Filtered));
+ printf(" DelimUnderrun=%d, DataUnderun=%d, DescCfgErr=%d,"
+ " TxTimerExceeded=%d\n",
+ MF(txs.u.tx.status[1], AR_TxDelimUnderrun),
+ MF(txs.u.tx.status[1], AR_TxDataUnderrun),
+ MF(txs.u.tx.status[1], AR_DescCfgErr),
+ MF(txs.u.tx.status[1], AR_TxTimerExpired));
+
+ printf(" RTScnt=%d, FailCnt=%d, VRetryCnt=%d\n",
+ MS(txs.u.tx.status[1], AR_RTSFailCnt),
+ MS(txs.u.tx.status[1], AR_DataFailCnt),
+ MS(txs.u.tx.status[1], AR_VirtRetryCnt));
+
+ /* ds_txstatus2 */
+ printf(" TxTimestamp=0x%08x\n", txs.u.tx.status[2]);
+
+ /* ds_txstatus3 */
+ /* ds_txstatus4 */
+ printf(" BALow=0x%08x\n", txs.u.tx.status[3]);
+ printf(" BAHigh=0x%08x\n", txs.u.tx.status[4]);
+
+ /* ds_txstatus5 */
+ printf(" RX RSSI 1 [%d %d %d] Comb=%d\n",
+ MS(txs.u.tx.status[5], AR_TxRSSIAnt10),
+ MS(txs.u.tx.status[5], AR_TxRSSIAnt11),
+ MS(txs.u.tx.status[5], AR_TxRSSIAnt12),
+ MS(txs.u.tx.status[5], AR_TxRSSICombined));
+
+ /* ds_txstatus6 */
+ /* ds_txstatus7 */
+ /* ds_txstatus8 */
+ printf(" TxEVM[0]=0x%08x, TxEVM[1]=0x%08x, TxEVM[2]=0x%08x\n",
+ txs.u.tx.status[6],
+ txs.u.tx.status[7],
+ txs.u.tx.status[8]);
+
+ /* ds_txstatus9 */
+ printf(" TxDone=%d, SeqNum=0x%04x, TxOpExceeded=%d, FinalTsIdx=%d\n",
+ MF(txs.u.tx.status[9], AR_TxDone),
+ MS(txs.u.tx.status[9], AR_SeqNum),
+ MF(txs.u.tx.status[9], AR_TxOpExceeded),
+ MS(txs.u.tx.status[9], AR_FinalTxIdx));
+ printf(" PowerMgmt=%d, TxTid=%d\n",
+ MF(txs.u.tx.status[9], AR_PowerMgmt),
+ MS(txs.u.tx.status[9], AR_TxTid));
+
+ printf("\n ------\n");
+}
+
+static void
+ar5416_decode_txdesc(struct if_ath_alq_payload *a)
+{
+ struct ar5416_desc txc;
+
+ /* XXX assumes txs is smaller than PAYLOAD_LEN! */
+ memcpy(&txc, &a->payload, sizeof(struct ar5416_desc));
+
+ printf("[%u] [%llu] TXD\n",
+ (unsigned int) be32toh(a->hdr.tstamp),
+ (unsigned long long) be64toh(a->hdr.threadid));
+
+ printf(" link=0x%08x, data=0x%08x\n",
+ txc.ds_link,
+ txc.ds_data);
+
+ /* ds_ctl0 */
+ printf(" Frame Len=%d, VMF=%d\n",
+ txc.ds_ctl0 & AR_FrameLen,
+ MF(txc.ds_ctl0, AR_VirtMoreFrag));
+ printf(" TX power0=%d, RtsEna=%d, Veol=%d, ClrDstMask=%d\n",
+ MS(txc.ds_ctl0, AR_XmitPower),
+ MF(txc.ds_ctl0, AR_RTSEnable),
+ MF(txc.ds_ctl0, AR_VEOL),
+ MF(txc.ds_ctl0, AR_ClrDestMask));
+ printf(" TxIntrReq=%d, DestIdxValid=%d, CtsEnable=%d\n",
+ MF(txc.ds_ctl0, AR_TxIntrReq),
+ MF(txc.ds_ctl0, AR_DestIdxValid),
+ MF(txc.ds_ctl0, AR_CTSEnable));
+
+ /* ds_ctl1 */
+ printf(" BufLen=%d, TxMore=%d, DestIdx=%d,"
+ " FrType=0x%x\n",
+ txc.ds_ctl1 & AR_BufLen,
+ MF(txc.ds_ctl1, AR_TxMore),
+ MS(txc.ds_ctl1, AR_DestIdx),
+ MS(txc.ds_ctl1, AR_FrameType));
+ printf(" NoAck=%d, InsertTs=%d, CorruptFcs=%d, ExtOnly=%d,"
+ " ExtAndCtl=%d\n",
+ MF(txc.ds_ctl1, AR_NoAck),
+ MF(txc.ds_ctl1, AR_InsertTS),
+ MF(txc.ds_ctl1, AR_CorruptFCS),
+ MF(txc.ds_ctl1, AR_ExtOnly),
+ MF(txc.ds_ctl1, AR_ExtAndCtl));
+ printf(" MoreAggr=%d, IsAggr=%d, MoreRifs=%d\n",
+ MF(txc.ds_ctl1, AR_MoreAggr),
+ MF(txc.ds_ctl1, AR_IsAggr),
+ MF(txc.ds_ctl1, AR_MoreRifs));
+
+ /* ds_ctl2 */
+ printf(" DurUpEna=%d, Burstdur=0x%04x\n",
+ MF(txc.ds_ctl2, AR_DurUpdateEn),
+ MS(txc.ds_ctl2, AR_BurstDur));
+ printf(" Try0=%d, Try1=%d, Try2=%d, Try3=%d\n",
+ MS(txc.ds_ctl2, AR_XmitDataTries0),
+ MS(txc.ds_ctl2, AR_XmitDataTries1),
+ MS(txc.ds_ctl2, AR_XmitDataTries2),
+ MS(txc.ds_ctl2, AR_XmitDataTries3));
+
+ /* ds_ctl3 */
+ printf(" rate0=0x%02x, rate1=0x%02x, rate2=0x%02x, rate3=0x%02x\n",
+ MS(txc.ds_ctl3, AR_XmitRate0),
+ MS(txc.ds_ctl3, AR_XmitRate1),
+ MS(txc.ds_ctl3, AR_XmitRate2),
+ MS(txc.ds_ctl3, AR_XmitRate3));
+
+ /* ds_ctl4 */
+ printf(" try 0: PktDur=%d, RTS/CTS ena=%d\n",
+ MS(txc.ds_ctl4, AR_PacketDur0),
+ MF(txc.ds_ctl4, AR_RTSCTSQual0));
+ printf(" try 1: PktDur=%d, RTS/CTS ena=%d\n",
+ MS(txc.ds_ctl4, AR_PacketDur1),
+ MF(txc.ds_ctl4, AR_RTSCTSQual1));
+
+ /* ds_ctl5 */
+ printf(" try 2: PktDur=%d, RTS/CTS ena=%d\n",
+ MS(txc.ds_ctl5, AR_PacketDur2),
+ MF(txc.ds_ctl5, AR_RTSCTSQual2));
+ printf(" try 3: PktDur=%d, RTS/CTS ena=%d\n",
+ MS(txc.ds_ctl5, AR_PacketDur3),
+ MF(txc.ds_ctl5, AR_RTSCTSQual3));
+
+ /* ds_ctl6 */
+ printf(" AggrLen=%d, PadDelim=%d, EncrType=%d\n",
+ MS(txc.ds_ctl6, AR_AggrLen),
+ MS(txc.ds_ctl6, AR_PadDelim),
+ MS(txc.ds_ctl6, AR_EncrType));
+
+ /* ds_ctl7 */
+ printf(" try 0: chainMask=0x%x, GI=%d, 2040=%d, STBC=%d\n",
+ MS(txc.ds_ctl7, AR_ChainSel0),
+ MF(txc.ds_ctl7, AR_GI0),
+ MF(txc.ds_ctl7, AR_2040_0),
+ MF(txc.ds_ctl7, AR_STBC0));
+ printf(" try 1: chainMask=0x%x, GI=%d, 2040=%d, STBC=%d\n",
+ MS(txc.ds_ctl7, AR_ChainSel1),
+ MF(txc.ds_ctl7, AR_GI1),
+ MF(txc.ds_ctl7, AR_2040_1),
+ MF(txc.ds_ctl7, AR_STBC1));
+ printf(" try 2: chainMask=0x%x, GI=%d, 2040=%d, STBC=%d\n",
+ MS(txc.ds_ctl7, AR_ChainSel2),
+ MF(txc.ds_ctl7, AR_GI2),
+ MF(txc.ds_ctl7, AR_2040_2),
+ MF(txc.ds_ctl7, AR_STBC2));
+ printf(" try 3: chainMask=0x%x, GI=%d, 2040=%d, STBC=%d\n",
+ MS(txc.ds_ctl7, AR_ChainSel3),
+ MF(txc.ds_ctl7, AR_GI3),
+ MF(txc.ds_ctl7, AR_2040_3),
+ MF(txc.ds_ctl7, AR_STBC3));
+
+ /* ds_ctl8 */
+ printf(" try 0: ant=0x%08x\n", txc.ds_ctl8 & AR_AntCtl0);
+
+ /* ds_ctl9 */
+ printf(" try 1: TxPower=%d, ant=0x%08x\n",
+ MS(txc.ds_ctl9, AR_XmitPower1),
+ txc.ds_ctl9 & AR_AntCtl1);
+
+ /* ds_ctl10 */
+ printf(" try 2: TxPower=%d, ant=0x%08x\n",
+ MS(txc.ds_ctl10, AR_XmitPower2),
+ txc.ds_ctl10 & AR_AntCtl2);
+
+ /* ds_ctl11 */
+ printf(" try 3: TxPower=%d, ant=0x%08x\n",
+ MS(txc.ds_ctl11, AR_XmitPower3),
+ txc.ds_ctl11 & AR_AntCtl3);
+
+ printf("\n ------ \n");
+}
+
+static void
+ar5416_decode_rxstatus(struct if_ath_alq_payload *a)
+{
+ struct ar5416_desc rxs;
+
+ /* XXX assumes rxs is smaller than PAYLOAD_LEN! */
+ memcpy(&rxs, &a->payload, sizeof(struct ar5416_desc));
+
+ printf("[%u] [%llu] RXSTATUS\n",
+ (unsigned int) be32toh(a->hdr.tstamp),
+ (unsigned long long) be64toh(a->hdr.threadid));
+
+ printf(" link=0x%08x, data=0x%08x, ctl0=0x%08x, ctl2=0x%08x\n",
+ rxs.ds_link,
+ rxs.ds_data,
+ rxs.ds_ctl0,
+ rxs.ds_ctl1);
+
+ /* status0 */
+ /*
+ * XXX TODO: For AR9285, the chain 1 and chain 2 RSSI values
+ * acutally contain the RX mixer configuration
+ */
+ printf(" RSSICtl[0]=%d, RSSICtl[1]=%d, RSSICtl[2]=%d\n",
+ MS(rxs.ds_rxstatus0, AR_RxRSSIAnt00),
+ MS(rxs.ds_rxstatus0, AR_RxRSSIAnt01),
+ MS(rxs.ds_rxstatus0, AR_RxRSSIAnt02));
+
+ /* status1 */
+ printf(" DataLen=%d, RxMore=%d, NumDelim=%d\n",
+ rxs.ds_rxstatus1 & AR_DataLen,
+ MF(rxs.ds_rxstatus1, AR_RxMore),
+ MS(rxs.ds_rxstatus1, AR_NumDelim));
+
+ /* status2 */
+ printf(" RxTimestamp=0x%08x\n", rxs.ds_rxstatus2);
+
+ /* status3 - RxRate however is for Owl 2.0 */
+ printf(" GI=%d, 2040=%d, RxRate=0x%02x, DupFrame=%d, RxAnt=0x%08x\n",
+ MF(rxs.ds_rxstatus3, AR_GI),
+ MF(rxs.ds_rxstatus3, AR_2040),
+ MS(rxs.ds_rxstatus0, AR_RxRate),
+ MF(rxs.ds_rxstatus3, AR_DupFrame),
+ MS(rxs.ds_rxstatus3, AR_RxAntenna));
+
+ /* status4 */
+ printf(" RSSIExt[0]=%d, RSSIExt[1]=%d, RSSIExt[2]=%d, RSSIComb=%d\n",
+ MS(rxs.ds_rxstatus4, AR_RxRSSIAnt10),
+ MS(rxs.ds_rxstatus4, AR_RxRSSIAnt11),
+ MS(rxs.ds_rxstatus4, AR_RxRSSIAnt12),
+ MS(rxs.ds_rxstatus4, AR_RxRSSICombined));
+
+ /* status5 */
+ /* status6 */
+ /* status7 */
+ printf(" RxEvm0=0x%08x, RxEvm1=0x%08x, RxEvm2=0x%08x\n",
+ rxs.ds_rxstatus5,
+ rxs.ds_rxstatus6,
+ rxs.ds_rxstatus7);
+
+ /* status8 */
+ printf(" RxDone=%d, RxFrameOk=%d, CrcErr=%d, DecryptCrcErr=%d\n",
+ MF(rxs.ds_rxstatus8, AR_RxDone),
+ MF(rxs.ds_rxstatus8, AR_RxFrameOK),
+ MF(rxs.ds_rxstatus8, AR_CRCErr),
+ MF(rxs.ds_rxstatus8, AR_DecryptCRCErr));
+ printf(" PhyErr=%d, MichaelErr=%d, PreDelimCRCErr=%d,
KeyIdxValid=%d\n",
+ MF(rxs.ds_rxstatus8, AR_PHYErr),
+ MF(rxs.ds_rxstatus8, AR_MichaelErr),
+ MF(rxs.ds_rxstatus8, AR_PreDelimCRCErr),
+ MF(rxs.ds_rxstatus8, AR_RxKeyIdxValid));
+
+ /* If PHY error, print that out. Otherwise, the key index */
+ if (MF(rxs.ds_rxstatus8, AR_PHYErr))
+ printf(" PhyErrCode=0x%02x\n",
+ MS(rxs.ds_rxstatus8, AR_PHYErrCode));
+ else
+ printf(" KeyIdx=0x%02x\n",
+ MS(rxs.ds_rxstatus8, AR_KeyIdx));
+
+ printf(" RxMoreAggr=%d, RxAggr=%d, PostDelimCRCErr=%d, HiRxChain=%d\n",
+ MF(rxs.ds_rxstatus8, AR_RxMoreAggr),
+ MF(rxs.ds_rxstatus8, AR_RxAggr),
+ MF(rxs.ds_rxstatus8, AR_PostDelimCRCErr),
+ MF(rxs.ds_rxstatus8, AR_HiRxChain));
+ printf(" KeyMiss=%d\n",
+ MF(rxs.ds_rxstatus8, AR_KeyMiss));
+
+ printf("\n ------\n");
+}
+
+void
+ar5416_alq_payload(struct if_ath_alq_payload *a)
+{
+
+ switch (be16toh(a->hdr.op)) {
+ case ATH_ALQ_EDMA_TXSTATUS: /* TXSTATUS */
+ ar5416_decode_txstatus(a);
+ break;
+ case ATH_ALQ_EDMA_RXSTATUS: /* RXSTATUS */
+ ar5416_decode_rxstatus(a);
+ break;
+ case ATH_ALQ_EDMA_TXDESC: /* TXDESC */
+ ar5416_decode_txdesc(a);
+ break;
+ default:
+ printf("[%d] [%lld] op: %d; len %d\n",
+ be32toh(a->hdr.tstamp),
+ be64toh(a->hdr.threadid),
+ be16toh(a->hdr.op), be16toh(a->hdr.len));
+ }
+}
Added: head/tools/tools/ath/athalq/ar5416_ds.h
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/tools/tools/ath/athalq/ar5416_ds.h Sat Nov 17 01:11:00 2012
(r243166)
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2012 Adrian Chadd <adr...@freebsd.org>
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * $FreeBSD$
+ */
+#ifndef __AR5416_DS_H__
+#define __AR5416_DS_H__
+
+extern void ar5416_alq_payload(struct if_ath_alq_payload *a);
+
+#endif /* __AR5416_DS_H__ */
Added: head/tools/tools/ath/athalq/main.c
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/tools/tools/ath/athalq/main.c Sat Nov 17 01:11:00 2012
(r243166)
@@ -0,0 +1,139 @@
+/*
+ * Copyright (c) 2012 Adrian Chadd <adr...@freebsd.org>
+ * All Rights Reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <sys/alq.h>
+#include <sys/endian.h>
+
+#include <dev/ath/if_ath_alq.h>
+
+#if 0
+#include "ar9300_ds.h"
+#endif
+#include "ar5416_ds.h"
+
+#define AR5210_MAGIC 0x19980124
+#define AR5211_MAGIC 0x19570405
+#define AR5212_MAGIC 0x19541014
+#define AR5416_MAGIC 0x20065416
+#define AR9300_MAGIC 0x19741014
+
+#define READBUF_SIZE 1024
+
+struct if_ath_alq_init_state hdr;
+
+static void
+ath_alq_print_hdr(struct if_ath_alq_init_state *hdr)
+{
+ printf("macVersion=%d.%d, PHY=%d, Magic=%08x\n",
+ be32toh(hdr->sc_mac_version),
+ be32toh(hdr->sc_mac_revision),
+ be32toh(hdr->sc_phy_rev),
+ be32toh(hdr->sc_hal_magic));
+}
+
+int
+main(int argc, const char *argv[])
+{
+ const char *file = argv[1];
+ int fd;
+ struct if_ath_alq_payload *a;
+ int r;
+ char buf[READBUF_SIZE];
+ int buflen = 0;
+
+ if (argc < 2) {
+ printf("usage: %s <ahq log>\n", argv[0]);
+ exit(127);
+ }
+
+ fd = open(file, O_RDONLY);
+ if (fd < 0) {
+ perror("open");
+ exit(127);
+ }
+
+ /*
+ * The payload structure is now no longer a fixed
+ * size. So, hoops are jumped through. Really
+ * terrible, infficient hoops.
+ */
+ while (1) {
+ if (buflen < 512) { /* XXX Eww */
+ r = read(fd, buf + buflen, READBUF_SIZE - buflen);
+ if (r <= 0)
+ break;
+ buflen += r;
+ //printf("read %d bytes, buflen now %d\n", r, buflen);
+ }
+
+ a = (struct if_ath_alq_payload *) &buf[0];
+
+ /*
+ * XXX sanity check that len is within the left over
+ * size of buf.
+ */
+ if (be16toh(a->hdr.len) > buflen) {
+ fprintf(stderr, "%s: len=%d, buf=%d, tsk!\n",
+ argv[0], be16toh(a->hdr.len),
+ buflen);
+ break;
+ }
+
+ switch (be16toh(a->hdr.op)) {
+ case ATH_ALQ_INIT_STATE:
+ /* XXX should double check length! */
+ memcpy(&hdr, a->payload, sizeof(hdr));
+ ath_alq_print_hdr(&hdr);
+ break;
+ default:
+#if 0
+ if (be32toh(hdr.sc_hal_magic) == AR9300_MAGIC)
+ ar9300_alq_payload(a);
+#endif
+ if (be32toh(hdr.sc_hal_magic) == AR5416_MAGIC)
+ ar5416_alq_payload(a);
+ else
+ printf("[%d] [%lld] op: %d; len %d\n",
+ be32toh(a->hdr.tstamp),
+ be64toh(a->hdr.threadid),
+ be16toh(a->hdr.op),
+ be16toh(a->hdr.len));
+ }
+
+ /*
+ * a.len is minus the header size, so..
+ */
+ buflen -= (be16toh(a->hdr.len)
+ + sizeof(struct if_ath_alq_hdr));
+ memmove(&buf[0],
+ &buf[be16toh(a->hdr.len) + sizeof(struct if_ath_alq_hdr)],
+ READBUF_SIZE - (be16toh(a->hdr.len)
+ + sizeof(struct if_ath_alq_hdr)));
+ //printf(" buflen is now %d\n", buflen);
+ }
+ close(fd);
+}
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