if_ath_debug.c

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    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 */
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FreeBSD/Linux Kernel Cross Reference sys/dev/ath/if_ath_debug.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/ath/if_ath_debug.c
