sys/dev/netif/ath/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, MERCHANTABILITY
  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 #if defined(__DragonFly__)
  34 #define CTLFLAG_RWTUN   CTLFLAG_RW
  35 #endif
  36
  37 #include "opt_inet.h"
  38 #include "opt_ath.h"
  39 #include "opt_wlan.h"
  40
  41 #include <sys/param.h>
  42 #include <sys/systm.h>
  43 #include <sys/sysctl.h>
  44 #include <sys/mbuf.h>
  45 #include <sys/malloc.h>
  46 #include <sys/lock.h>
  47 #include <sys/kernel.h>
  48 #include <sys/socket.h>
  49 #include <sys/sockio.h>
  50 #include <sys/errno.h>
  51 #include <sys/callout.h>
  52 #include <sys/bus.h>
  53 #include <sys/endian.h>
  54 #include <sys/kthread.h>
  55 #include <sys/taskqueue.h>
  56 #include <sys/caps.h>
  57
  58 #if defined(__DragonFly__)
  59 #else
  60 #include <machine/bus.h>
  61 #endif
  62
  63 #include <net/if.h>
  64 #include <net/if_dl.h>
  65 #include <net/if_media.h>
  66 #include <net/if_types.h>
  67 #include <net/if_arp.h>
  68 #include <net/ethernet.h>
  69 #include <net/if_llc.h>
  70
  71 #include <netproto/802_11/ieee80211_var.h>
  72 #include <netproto/802_11/ieee80211_regdomain.h>
  73 #ifdef IEEE80211_SUPPORT_SUPERG
  74 #include <netproto/802_11/ieee80211_superg.h>
  75 #endif
  76 #ifdef IEEE80211_SUPPORT_TDMA
  77 #include <netproto/802_11/ieee80211_tdma.h>
  78 #endif
  79
  80 #include <net/bpf.h>
  81
  82 #ifdef INET
  83 #include <netinet/in.h>
  84 #include <netinet/if_ether.h>
  85 #endif
  86
  87 #include <dev/netif/ath/ath/if_athvar.h>
  88 #include <dev/netif/ath/ath_hal/ah_devid.h>             /* XXX for softled */
  89 #include <dev/netif/ath/ath_hal/ah_diagcodes.h>
  90
  91 #ifdef ATH_TX99_DIAG
  92 #include <dev/netif/ath/ath/ath_tx99/ath_tx99.h>
  93 #endif
  94
  95 #ifdef ATH_DEBUG
  96 #include <dev/netif/ath/ath/if_ath_debug.h>
  97
  98 uint64_t ath_debug = 0;
  99
 100 SYSCTL_DECL(_hw_ath);
 101 SYSCTL_QUAD(_hw_ath, OID_AUTO, debug, CTLFLAG_RWTUN, &ath_debug,
 102             0, "control debugging printfs");
 103
 104 void
 105 ath_printrxbuf(struct ath_softc *sc, const struct ath_buf *bf,
 106         u_int ix, int done)
 107 {
 108         const struct ath_rx_status *rs = &bf->bf_status.ds_rxstat;
 109         struct ath_hal *ah = sc->sc_ah;
 110         const struct ath_desc *ds;
 111         int i;
 112
 113         for (i = 0, ds = bf->bf_desc; i < bf->bf_nseg; i++, ds++) {
 114                 kprintf("R[%2u] (DS.V:%p DS.P:%p) L:%08x D:%08x%s\n"
 115                        "      %08x %08x %08x %08x\n",
 116                     ix, ds, (const struct ath_desc *)bf->bf_daddr + i,
 117                     ds->ds_link, ds->ds_data,
 118                     !done ? "" : (rs->rs_status == 0) ? " *" : " !",
 119                     ds->ds_ctl0, ds->ds_ctl1,
 120                     ds->ds_hw[0], ds->ds_hw[1]);
 121                 if (ah->ah_magic == 0x20065416) {
 122                         kprintf("        %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                 } else if (ah->ah_magic == 0x19741014) {
 127                         kprintf("        %08x %08x %08x %08x %08x %08x %08x\n",
 128                             ds->ds_hw[2], ds->ds_hw[3], ds->ds_hw[4],
 129                             ds->ds_hw[5], ds->ds_hw[6], ds->ds_hw[7],
 130                             ds->ds_hw[8]);
 131
 132                         kprintf("        %08x %08x %08x %08x %08x %08x %08x\n",
 133                             ds->ds_hw[9], ds->ds_hw[10], ds->ds_hw[11],
 134                             ds->ds_hw[12], ds->ds_hw[13], ds->ds_hw[14],
 135                             ds->ds_hw[15]);
 136                 }
 137         }
 138 }
 139
 140 static void
 141 ath_printtxbuf_edma(struct ath_softc *sc, const struct ath_buf *first_bf,
 142         u_int qnum, u_int ix, int done)
 143 {
 144         const struct ath_tx_status *ts =
 145             &first_bf->bf_last->bf_status.ds_txstat;
 146         const struct ath_buf *bf = first_bf;
 147         const char *ds;
 148         const struct ath_desc_txedma *eds;
 149         int i, n;
 150
 151         kprintf("Q%u[%3u] (nseg=%d)", qnum, ix, bf->bf_nseg);
 152         while (bf != NULL) {
 153                 /*
 154                  * XXX For now, assume the txmap size is 4.
 155                  */
 156
 157                 /*
 158                  * Assume the TX map size is 4 for now and only walk
 159                  * the appropriate number of segments.
 160                  */
 161                 n = ((bf->bf_nseg - 1) / 4) + 1;
 162
 163                 for (i = 0, ds = (const char *) bf->bf_desc;
 164                     i < n;
 165                     i ++, ds += sc->sc_tx_desclen) {
 166                         eds = (const struct ath_desc_txedma *) ds;
 167                         kprintf(" (DS.V:%p DS.P:%p) I: %08x L:%08x F:%04x%s\n",
 168                             eds, (const struct ath_desc *)bf->bf_daddr + i,
 169                             eds->ds_info, eds->ds_link,
 170                             bf->bf_state.bfs_txflags,
 171                             !done ? "" : (ts->ts_status == 0) ? " *" : " !");
 172                         kprintf(" (D[0] = %08x(%08x), D[1] = %08x(%08x)\n",
 173                             eds->ds_hw[0], eds->ds_hw[1],
 174                             eds->ds_hw[2], eds->ds_hw[3]);
 175                         kprintf(" (D[2] = %08x(%08x), D[3] = %08x(%08x)\n",
 176                             eds->ds_hw[4], eds->ds_hw[5],
 177                             eds->ds_hw[6], eds->ds_hw[7]);
 178                         kprintf("        Seq: %d swtry: %d ADDBAW?: %d DOBAW?: %d\n",
 179                             bf->bf_state.bfs_seqno,
 180                             bf->bf_state.bfs_retries,
 181                             bf->bf_state.bfs_addedbaw,
 182                             bf->bf_state.bfs_dobaw);
 183                         kprintf("        %08x %08x %08x %08x %08x %08x\n",
 184                             eds->ds_hw[8], eds->ds_hw[9],
 185                             eds->ds_hw[10], eds->ds_hw[11],
 186                             eds->ds_hw[12], eds->ds_hw[13]);
 187                         kprintf("        %08x %08x %08x %08x %08x %08x %08x\n",
 188                             eds->ds_hw[14], eds->ds_hw[15], eds->ds_hw[16],
 189                             eds->ds_hw[17], eds->ds_hw[18], eds->ds_hw[19],
 190                             eds->ds_hw[20]);
 191 #if 0
 192                         kprintf("        %08x %08x %08x %08x %08x %08x %08x %08x\n",
 193                             ds->ds_hw[22],ds->ds_hw[23],ds->ds_hw[24],
 194                             ds->ds_hw[25],ds->ds_hw[26],ds->ds_hw[27],
 195                             ds->ds_hw[28], ds->ds_hw[29]);
 196 #endif
 197                 }
 198                 kprintf("  [end]\n");
 199                 bf = bf->bf_next;
 200         }
 201 }
 202
 203 static void
 204 ath_printtxbuf_legacy(struct ath_softc *sc, const struct ath_buf *first_bf,
 205         u_int qnum, u_int ix, int done)
 206 {
 207         const struct ath_tx_status *ts = &first_bf->bf_status.ds_txstat;
 208         const struct ath_buf *bf = first_bf;
 209         struct ath_hal *ah = sc->sc_ah;
 210         const struct ath_desc *ds;
 211         int i;
 212
 213         kprintf("Q%u[%3u]", qnum, ix);
 214         while (bf != NULL) {
 215                 kprintf("    (bf=%p, lastds=%p)\n", bf, first_bf->bf_lastds);
 216                 kprintf("        Seq: %d swtry: %d ADDBAW?: %d DOBAW?: %d\n",
 217                     bf->bf_state.bfs_seqno,
 218                     bf->bf_state.bfs_retries,
 219                     bf->bf_state.bfs_addedbaw,
 220                     bf->bf_state.bfs_dobaw);
 221                 for (i = 0, ds = bf->bf_desc; i < bf->bf_nseg; i++, ds++) {
 222                         kprintf(" (DS.V:%p DS.P:%p) L:%08x D:%08x F:%04x%s\n",
 223                             ds, (const struct ath_desc *)bf->bf_daddr + i,
 224                             ds->ds_link, ds->ds_data, bf->bf_state.bfs_txflags,
 225                             !done ? "" : (ts->ts_status == 0) ? " *" : " !");
 226                         kprintf("        %08x %08x %08x %08x %08x %08x\n",
 227                             ds->ds_ctl0, ds->ds_ctl1,
 228                             ds->ds_hw[0], ds->ds_hw[1],
 229                             ds->ds_hw[2], ds->ds_hw[3]);
 230                         if (ah->ah_magic == 0x20065416) {
 231                                 kprintf("        %08x %08x %08x %08x %08x %08x %08x %08x\n",
 232                                     ds->ds_hw[4], ds->ds_hw[5], ds->ds_hw[6],
 233                                     ds->ds_hw[7], ds->ds_hw[8], ds->ds_hw[9],
 234                                     ds->ds_hw[10],ds->ds_hw[11]);
 235                                 kprintf("        %08x %08x %08x %08x %08x %08x %08x %08x\n",
 236                                     ds->ds_hw[12],ds->ds_hw[13],ds->ds_hw[14],
 237                                     ds->ds_hw[15],ds->ds_hw[16],ds->ds_hw[17],
 238                                     ds->ds_hw[18], ds->ds_hw[19]);
 239                         }
 240                 }
 241                 kprintf("  [end]\n");
 242                 bf = bf->bf_next;
 243         }
 244 }
 245
 246 void
 247 ath_printtxbuf(struct ath_softc *sc, const struct ath_buf *first_bf,
 248         u_int qnum, u_int ix, int done)
 249 {
 250         if (sc->sc_ah->ah_magic == 0x19741014)
 251                 ath_printtxbuf_edma(sc, first_bf, qnum, ix, done);
 252         else
 253                 ath_printtxbuf_legacy(sc, first_bf, qnum, ix, done);
 254 }
 255
 256 void
 257 ath_printtxstatbuf(struct ath_softc *sc, const struct ath_buf *first_bf,
 258         const uint32_t *ds, u_int qnum, u_int ix, int done)
 259 {
 260
 261         kprintf("Q%u[%3u] ", qnum, ix);
 262         kprintf("        %08x %08x %08x %08x %08x %08x\n",
 263             ds[0], ds[1], ds[2], ds[3], ds[4], ds[5]);
 264         kprintf("        %08x %08x %08x %08x %08x\n",
 265             ds[6], ds[7], ds[8], ds[9], ds[10]);
 266 }
 267
 268 #endif  /* ATH_DEBUG */