sys/dev/ath/if_ath_debug.c

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