if_ath_debug.c

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    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: releng/10.4/sys/dev/ath/if_ath_debug.c 242599 2012-11-05 07:08:45Z adrian $");
   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 */
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FreeBSD/Linux Kernel Cross Reference sys/dev/ath/if_ath_debug.c

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sys/dev/ath/if_ath_debug.c
