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freebsd/sys/dev/ath/if_ath_debug.c
Adrian Chadd bc919a54b2 TX EDMA debugging fixes:
* Do the calculation for each ath_buf, rather than just the first
* Correct the calculation in the first place.
2012-11-05 07:08:45 +00:00

264 lines
8.2 KiB
C

/*-
* Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
* 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,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
* redistribution must be conditioned upon including a substantially
* similar Disclaimer requirement for further binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_inet.h"
#include "opt_ath.h"
#include "opt_wlan.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/sysctl.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/errno.h>
#include <sys/callout.h>
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/kthread.h>
#include <sys/taskqueue.h>
#include <sys/priv.h>
#include <machine/bus.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <net/if_arp.h>
#include <net/ethernet.h>
#include <net/if_llc.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_regdomain.h>
#ifdef IEEE80211_SUPPORT_SUPERG
#include <net80211/ieee80211_superg.h>
#endif
#ifdef IEEE80211_SUPPORT_TDMA
#include <net80211/ieee80211_tdma.h>
#endif
#include <net/bpf.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/if_ether.h>
#endif
#include <dev/ath/if_athvar.h>
#include <dev/ath/ath_hal/ah_devid.h> /* XXX for softled */
#include <dev/ath/ath_hal/ah_diagcodes.h>
#ifdef ATH_TX99_DIAG
#include <dev/ath/ath_tx99/ath_tx99.h>
#endif
#ifdef ATH_DEBUG
#include <dev/ath/if_ath_debug.h>
uint64_t ath_debug = 0;
SYSCTL_DECL(_hw_ath);
SYSCTL_QUAD(_hw_ath, OID_AUTO, debug, CTLFLAG_RW, &ath_debug,
0, "control debugging printfs");
TUNABLE_QUAD("hw.ath.debug", &ath_debug);
void
ath_printrxbuf(struct ath_softc *sc, const struct ath_buf *bf,
u_int ix, int done)
{
const struct ath_rx_status *rs = &bf->bf_status.ds_rxstat;
struct ath_hal *ah = sc->sc_ah;
const struct ath_desc *ds;
int i;
for (i = 0, ds = bf->bf_desc; i < bf->bf_nseg; i++, ds++) {
printf("R[%2u] (DS.V:%p DS.P:%p) L:%08x D:%08x%s\n"
" %08x %08x %08x %08x\n",
ix, ds, (const struct ath_desc *)bf->bf_daddr + i,
ds->ds_link, ds->ds_data,
!done ? "" : (rs->rs_status == 0) ? " *" : " !",
ds->ds_ctl0, ds->ds_ctl1,
ds->ds_hw[0], ds->ds_hw[1]);
if (ah->ah_magic == 0x20065416) {
printf(" %08x %08x %08x %08x %08x %08x %08x\n",
ds->ds_hw[2], ds->ds_hw[3], ds->ds_hw[4],
ds->ds_hw[5], ds->ds_hw[6], ds->ds_hw[7],
ds->ds_hw[8]);
} else if (ah->ah_magic == 0x19741014) {
printf(" %08x %08x %08x %08x %08x %08x %08x\n",
ds->ds_hw[2], ds->ds_hw[3], ds->ds_hw[4],
ds->ds_hw[5], ds->ds_hw[6], ds->ds_hw[7],
ds->ds_hw[8]);
printf(" %08x %08x %08x %08x %08x %08x %08x\n",
ds->ds_hw[9], ds->ds_hw[10], ds->ds_hw[11],
ds->ds_hw[12], ds->ds_hw[13], ds->ds_hw[14],
ds->ds_hw[15]);
}
}
}
static void
ath_printtxbuf_edma(struct ath_softc *sc, const struct ath_buf *first_bf,
u_int qnum, u_int ix, int done)
{
const struct ath_tx_status *ts =
&first_bf->bf_last->bf_status.ds_txstat;
const struct ath_buf *bf = first_bf;
const char *ds;
const struct ath_desc_txedma *eds;
int i, n;
printf("Q%u[%3u] (nseg=%d)", qnum, ix, bf->bf_nseg);
while (bf != NULL) {
/*
* XXX For now, assume the txmap size is 4.
*/
/*
* Assume the TX map size is 4 for now and only walk
* the appropriate number of segments.
*/
n = ((bf->bf_nseg - 1) / 4) + 1;
for (i = 0, ds = (const char *) bf->bf_desc;
i < n;
i ++, ds += sc->sc_tx_desclen) {
eds = (const struct ath_desc_txedma *) ds;
printf(" (DS.V:%p DS.P:%p) I: %08x L:%08x F:%04x%s\n",
eds, (const struct ath_desc *)bf->bf_daddr + i,
eds->ds_info, eds->ds_link,
bf->bf_state.bfs_txflags,
!done ? "" : (ts->ts_status == 0) ? " *" : " !");
printf(" (D[0] = %08x(%08x), D[1] = %08x(%08x)\n",
eds->ds_hw[0], eds->ds_hw[1],
eds->ds_hw[2], eds->ds_hw[3]);
printf(" (D[2] = %08x(%08x), D[3] = %08x(%08x)\n",
eds->ds_hw[4], eds->ds_hw[5],
eds->ds_hw[6], eds->ds_hw[7]);
printf(" Seq: %d swtry: %d ADDBAW?: %d DOBAW?: %d\n",
bf->bf_state.bfs_seqno,
bf->bf_state.bfs_retries,
bf->bf_state.bfs_addedbaw,
bf->bf_state.bfs_dobaw);
printf(" %08x %08x %08x %08x %08x %08x\n",
eds->ds_hw[8], eds->ds_hw[9],
eds->ds_hw[10], eds->ds_hw[11],
eds->ds_hw[12], eds->ds_hw[13]);
printf(" %08x %08x %08x %08x %08x %08x %08x\n",
eds->ds_hw[14], eds->ds_hw[15], eds->ds_hw[16],
eds->ds_hw[17], eds->ds_hw[18], eds->ds_hw[19],
eds->ds_hw[20]);
#if 0
printf(" %08x %08x %08x %08x %08x %08x %08x %08x\n",
ds->ds_hw[22],ds->ds_hw[23],ds->ds_hw[24],
ds->ds_hw[25],ds->ds_hw[26],ds->ds_hw[27],
ds->ds_hw[28], ds->ds_hw[29]);
#endif
}
printf(" [end]\n");
bf = bf->bf_next;
}
}
static void
ath_printtxbuf_legacy(struct ath_softc *sc, const struct ath_buf *first_bf,
u_int qnum, u_int ix, int done)
{
const struct ath_tx_status *ts = &first_bf->bf_status.ds_txstat;
const struct ath_buf *bf = first_bf;
struct ath_hal *ah = sc->sc_ah;
const struct ath_desc *ds;
int i;
printf("Q%u[%3u]", qnum, ix);
while (bf != NULL) {
printf(" (bf=%p, lastds=%p)\n", bf, first_bf->bf_lastds);
printf(" Seq: %d swtry: %d ADDBAW?: %d DOBAW?: %d\n",
bf->bf_state.bfs_seqno,
bf->bf_state.bfs_retries,
bf->bf_state.bfs_addedbaw,
bf->bf_state.bfs_dobaw);
for (i = 0, ds = bf->bf_desc; i < bf->bf_nseg; i++, ds++) {
printf(" (DS.V:%p DS.P:%p) L:%08x D:%08x F:%04x%s\n",
ds, (const struct ath_desc *)bf->bf_daddr + i,
ds->ds_link, ds->ds_data, bf->bf_state.bfs_txflags,
!done ? "" : (ts->ts_status == 0) ? " *" : " !");
printf(" %08x %08x %08x %08x %08x %08x\n",
ds->ds_ctl0, ds->ds_ctl1,
ds->ds_hw[0], ds->ds_hw[1],
ds->ds_hw[2], ds->ds_hw[3]);
if (ah->ah_magic == 0x20065416) {
printf(" %08x %08x %08x %08x %08x %08x %08x %08x\n",
ds->ds_hw[4], ds->ds_hw[5], ds->ds_hw[6],
ds->ds_hw[7], ds->ds_hw[8], ds->ds_hw[9],
ds->ds_hw[10],ds->ds_hw[11]);
printf(" %08x %08x %08x %08x %08x %08x %08x %08x\n",
ds->ds_hw[12],ds->ds_hw[13],ds->ds_hw[14],
ds->ds_hw[15],ds->ds_hw[16],ds->ds_hw[17],
ds->ds_hw[18], ds->ds_hw[19]);
}
}
printf(" [end]\n");
bf = bf->bf_next;
}
}
void
ath_printtxbuf(struct ath_softc *sc, const struct ath_buf *first_bf,
u_int qnum, u_int ix, int done)
{
if (sc->sc_ah->ah_magic == 0x19741014)
ath_printtxbuf_edma(sc, first_bf, qnum, ix, done);
else
ath_printtxbuf_legacy(sc, first_bf, qnum, ix, done);
}
void
ath_printtxstatbuf(struct ath_softc *sc, const struct ath_buf *first_bf,
const uint32_t *ds, u_int qnum, u_int ix, int done)
{
printf("Q%u[%3u] ", qnum, ix);
printf(" %08x %08x %08x %08x %08x %08x\n",
ds[0], ds[1], ds[2], ds[3], ds[4], ds[5]);
printf(" %08x %08x %08x %08x %08x\n",
ds[6], ds[7], ds[8], ds[9], ds[10]);
}
#endif /* ATH_DEBUG */