sys/dev/ath/if_ath_debug.c

   1 /*-
   2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   3  *
   4  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer,
  12  *    without modification.
  13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  14  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
  15  *    redistribution must be conditioned upon including a substantially
  16  *    similar Disclaimer requirement for further binary redistribution.
  17  *
  18  * NO WARRANTY
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
  22  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  23  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
  24  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  27  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  29  * THE POSSIBILITY OF SUCH DAMAGES.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __FBSDID("$FreeBSD$");
  34
  35 #include "opt_inet.h"
  36 #include "opt_ath.h"
  37 #include "opt_wlan.h"
  38
  39 #include <sys/param.h>
  40 #include <sys/systm.h>
  41 #include <sys/sysctl.h>
  42 #include <sys/mbuf.h>
  43 #include <sys/malloc.h>
  44 #include <sys/lock.h>
  45 #include <sys/mutex.h>
  46 #include <sys/kernel.h>
  47 #include <sys/socket.h>
  48 #include <sys/sockio.h>
  49 #include <sys/errno.h>
  50 #include <sys/callout.h>
  51 #include <sys/bus.h>
  52 #include <sys/endian.h>
  53 #include <sys/kthread.h>
  54 #include <sys/taskqueue.h>
  55 #include <sys/priv.h>
  56
  57 #include <machine/bus.h>
  58
  59 #include <net/if.h>
  60 #include <net/if_dl.h>
  61 #include <net/if_media.h>
  62 #include <net/if_types.h>
  63 #include <net/if_arp.h>
  64 #include <net/ethernet.h>
  65 #include <net/if_llc.h>
  66
  67 #include <net80211/ieee80211_var.h>
  68 #include <net80211/ieee80211_regdomain.h>
  69 #ifdef IEEE80211_SUPPORT_SUPERG
  70 #include <net80211/ieee80211_superg.h>
  71 #endif
  72 #ifdef IEEE80211_SUPPORT_TDMA
  73 #include <net80211/ieee80211_tdma.h>
  74 #endif
  75
  76 #include <net/bpf.h>
  77
  78 #ifdef INET
  79 #include <netinet/in.h>
  80 #include <netinet/if_ether.h>
  81 #endif
  82
  83 #include <dev/ath/if_athvar.h>
  84 #include <dev/ath/ath_hal/ah_devid.h>           /* XXX for softled */
  85 #include <dev/ath/ath_hal/ah_diagcodes.h>
  86
  87 #ifdef ATH_TX99_DIAG
  88 #include <dev/ath/ath_tx99/ath_tx99.h>
  89 #endif
  90
  91 #ifdef ATH_DEBUG
  92 #include <dev/ath/if_ath_debug.h>
  93
  94 uint64_t ath_debug = 0;
  95
  96 SYSCTL_DECL(_hw_ath);
  97 SYSCTL_QUAD(_hw_ath, OID_AUTO, debug, CTLFLAG_RWTUN, &ath_debug,
  98             0, "control debugging printfs");
  99
 100 void
 101 ath_printrxbuf(struct ath_softc *sc, const struct ath_buf *bf,
 102         u_int ix, int done)
 103 {
 104         const struct ath_rx_status *rs = &bf->bf_status.ds_rxstat;
 105         struct ath_hal *ah = sc->sc_ah;
 106         const struct ath_desc *ds;
 107         int i;
 108
 109         for (i = 0, ds = bf->bf_desc; i < bf->bf_nseg; i++, ds++) {
 110                 printf("R[%2u] (DS.V:%p DS.P:%p) L:%08x D:%08x%s\n"
 111                        "      %08x %08x %08x %08x\n",
 112                     ix, ds, (const struct ath_desc *)bf->bf_daddr + i,
 113                     ds->ds_link, ds->ds_data,
 114                     !done ? "" : (rs->rs_status == 0) ? " *" : " !",
 115                     ds->ds_ctl0, ds->ds_ctl1,
 116                     ds->ds_hw[0], ds->ds_hw[1]);
 117                 if (ah->ah_magic == 0x20065416) {
 118                         printf("        %08x %08x %08x %08x %08x %08x %08x\n",
 119                             ds->ds_hw[2], ds->ds_hw[3], ds->ds_hw[4],
 120                             ds->ds_hw[5], ds->ds_hw[6], ds->ds_hw[7],
 121                             ds->ds_hw[8]);
 122                 } else if (ah->ah_magic == 0x19741014) {
 123                         printf("        %08x %08x %08x %08x %08x %08x %08x\n",
 124                             ds->ds_hw[2], ds->ds_hw[3], ds->ds_hw[4],
 125                             ds->ds_hw[5], ds->ds_hw[6], ds->ds_hw[7],
 126                             ds->ds_hw[8]);
 127
 128                         printf("        %08x %08x %08x %08x %08x %08x %08x\n",
 129                             ds->ds_hw[9], ds->ds_hw[10], ds->ds_hw[11],
 130                             ds->ds_hw[12], ds->ds_hw[13], ds->ds_hw[14],
 131                             ds->ds_hw[15]);
 132                 }
 133         }
 134 }
 135
 136 static void
 137 ath_printtxbuf_edma(struct ath_softc *sc, const struct ath_buf *first_bf,
 138         u_int qnum, u_int ix, int done)
 139 {
 140         const struct ath_tx_status *ts =
 141             &first_bf->bf_last->bf_status.ds_txstat;
 142         const struct ath_buf *bf = first_bf;
 143         const char *ds;
 144         const struct ath_desc_txedma *eds;
 145         int i, n;
 146
 147         printf("Q%u[%3u] (nseg=%d)", qnum, ix, bf->bf_nseg);
 148         while (bf != NULL) {
 149                 /*
 150                  * XXX For now, assume the txmap size is 4.
 151                  */
 152
 153                 /*
 154                  * Assume the TX map size is 4 for now and only walk
 155                  * the appropriate number of segments.
 156                  */
 157                 n = ((bf->bf_nseg - 1) / 4) + 1;
 158
 159                 for (i = 0, ds = (const char *) bf->bf_desc;
 160                     i < n;
 161                     i ++, ds += sc->sc_tx_desclen) {
 162                         eds = (const struct ath_desc_txedma *) ds;
 163                         printf(" (DS.V:%p DS.P:%p) I: %08x L:%08x F:%04x%s\n",
 164                             eds, (const struct ath_desc *)bf->bf_daddr + i,
 165                             eds->ds_info, eds->ds_link,
 166                             bf->bf_state.bfs_txflags,
 167                             !done ? "" : (ts->ts_status == 0) ? " *" : " !");
 168                         printf(" (D[0] = %08x(%08x), D[1] = %08x(%08x)\n",
 169                             eds->ds_hw[0], eds->ds_hw[1],
 170                             eds->ds_hw[2], eds->ds_hw[3]);
 171                         printf(" (D[2] = %08x(%08x), D[3] = %08x(%08x)\n",
 172                             eds->ds_hw[4], eds->ds_hw[5],
 173                             eds->ds_hw[6], eds->ds_hw[7]);
 174                         printf("        Seq: %d swtry: %d ADDBAW?: %d DOBAW?: %d\n",
 175                             bf->bf_state.bfs_seqno,
 176                             bf->bf_state.bfs_retries,
 177                             bf->bf_state.bfs_addedbaw,
 178                             bf->bf_state.bfs_dobaw);
 179                         printf("        %08x %08x %08x %08x %08x %08x\n",
 180                             eds->ds_hw[8], eds->ds_hw[9],
 181                             eds->ds_hw[10], eds->ds_hw[11],
 182                             eds->ds_hw[12], eds->ds_hw[13]);
 183                         printf("        %08x %08x %08x %08x %08x %08x %08x\n",
 184                             eds->ds_hw[14], eds->ds_hw[15], eds->ds_hw[16],
 185                             eds->ds_hw[17], eds->ds_hw[18], eds->ds_hw[19],
 186                             eds->ds_hw[20]);
 187 #if 0
 188                         printf("        %08x %08x %08x %08x %08x %08x %08x %08x\n",
 189                             ds->ds_hw[22],ds->ds_hw[23],ds->ds_hw[24],
 190                             ds->ds_hw[25],ds->ds_hw[26],ds->ds_hw[27],
 191                             ds->ds_hw[28], ds->ds_hw[29]);
 192 #endif
 193                 }
 194                 printf("  [end]\n");
 195                 bf = bf->bf_next;
 196         }
 197 }
 198
 199 static void
 200 ath_printtxbuf_legacy(struct ath_softc *sc, const struct ath_buf *first_bf,
 201         u_int qnum, u_int ix, int done)
 202 {
 203         const struct ath_tx_status *ts = &first_bf->bf_status.ds_txstat;
 204         const struct ath_buf *bf = first_bf;
 205         struct ath_hal *ah = sc->sc_ah;
 206         const struct ath_desc *ds;
 207         int i;
 208
 209         printf("Q%u[%3u]", qnum, ix);
 210         while (bf != NULL) {
 211                 printf("    (bf=%p, lastds=%p)\n", bf, first_bf->bf_lastds);
 212                 printf("        Seq: %d swtry: %d ADDBAW?: %d DOBAW?: %d\n",
 213                     bf->bf_state.bfs_seqno,
 214                     bf->bf_state.bfs_retries,
 215                     bf->bf_state.bfs_addedbaw,
 216                     bf->bf_state.bfs_dobaw);
 217                 for (i = 0, ds = bf->bf_desc; i < bf->bf_nseg; i++, ds++) {
 218                         printf(" (DS.V:%p DS.P:%p) L:%08x D:%08x F:%04x%s\n",
 219                             ds, (const struct ath_desc *)bf->bf_daddr + i,
 220                             ds->ds_link, ds->ds_data, bf->bf_state.bfs_txflags,
 221                             !done ? "" : (ts->ts_status == 0) ? " *" : " !");
 222                         printf("        %08x %08x %08x %08x %08x %08x\n",
 223                             ds->ds_ctl0, ds->ds_ctl1,
 224                             ds->ds_hw[0], ds->ds_hw[1],
 225                             ds->ds_hw[2], ds->ds_hw[3]);
 226                         if (ah->ah_magic == 0x20065416) {
 227                                 printf("        %08x %08x %08x %08x %08x %08x %08x %08x\n",
 228                                     ds->ds_hw[4], ds->ds_hw[5], ds->ds_hw[6],
 229                                     ds->ds_hw[7], ds->ds_hw[8], ds->ds_hw[9],
 230                                     ds->ds_hw[10],ds->ds_hw[11]);
 231                                 printf("        %08x %08x %08x %08x %08x %08x %08x %08x\n",
 232                                     ds->ds_hw[12],ds->ds_hw[13],ds->ds_hw[14],
 233                                     ds->ds_hw[15],ds->ds_hw[16],ds->ds_hw[17],
 234                                     ds->ds_hw[18], ds->ds_hw[19]);
 235                         }
 236                 }
 237                 printf("  [end]\n");
 238                 bf = bf->bf_next;
 239         }
 240 }
 241
 242 void
 243 ath_printtxbuf(struct ath_softc *sc, const struct ath_buf *first_bf,
 244         u_int qnum, u_int ix, int done)
 245 {
 246         if (sc->sc_ah->ah_magic == 0x19741014)
 247                 ath_printtxbuf_edma(sc, first_bf, qnum, ix, done);
 248         else
 249                 ath_printtxbuf_legacy(sc, first_bf, qnum, ix, done);
 250 }
 251
 252 void
 253 ath_printtxstatbuf(struct ath_softc *sc, const struct ath_buf *first_bf,
 254         const uint32_t *ds, u_int qnum, u_int ix, int done)
 255 {
 256
 257         printf("Q%u[%3u] ", qnum, ix);
 258         printf("        %08x %08x %08x %08x %08x %08x\n",
 259             ds[0], ds[1], ds[2], ds[3], ds[4], ds[5]);
 260         printf("        %08x %08x %08x %08x %08x\n",
 261             ds[6], ds[7], ds[8], ds[9], ds[10]);
 262 }
 263
 264 #endif  /* ATH_DEBUG */