freebsd-skq/sys/dev/ath/if_ath_debug.c
Adrian Chadd 0d5f2f26fe Add support to the TX descriptor printing code to follow ath_buf
chains. This allows for debugging of aggregate frames.

Sponsored by:	Hobnob, Inc.
2011-11-08 22:01:03 +00:00

168 lines
5.2 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>
int ath_debug = 0;
SYSCTL_DECL(_hw_ath);
SYSCTL_INT(_hw_ath, OID_AUTO, debug, CTLFLAG_RW, &ath_debug,
0, "control debugging printfs");
TUNABLE_INT("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]);
}
}
}
void
ath_printtxbuf(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;
struct ath_hal *ah = sc->sc_ah;
const struct ath_desc *ds;
int i;
printf("Q%u[%3u]", qnum, ix);
while (bf != NULL) {
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"
" TXF: %04x Seq: %d swtry: %d ADDBAW?: %d DOBAW?: %d\n"
" %08x %08x %08x %08x %08x %08x\n",
ds, (const struct ath_desc *)bf->bf_daddr + i,
ds->ds_link, ds->ds_data, bf->bf_txflags,
!done ? "" : (ts->ts_status == 0) ? " *" : " !",
bf->bf_state.bfs_flags,
bf->bf_state.bfs_seqno,
bf->bf_state.bfs_retries,
bf->bf_state.bfs_addedbaw,
bf->bf_state.bfs_dobaw,
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;
}
}
#endif /* ATH_DEBUG */