xref: /freebsd/sys/dev/ath/if_ath_debug.c (revision bb15ca603fa442c72dde3f3cb8b46db6970e3950)
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 int ath_debug = 0;
93 
94 SYSCTL_DECL(_hw_ath);
95 SYSCTL_INT(_hw_ath, OID_AUTO, debug, CTLFLAG_RW, &ath_debug,
96 	    0, "control debugging printfs");
97 TUNABLE_INT("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 		}
122 	}
123 }
124 
125 void
126 ath_printtxbuf(struct ath_softc *sc, const struct ath_buf *first_bf,
127 	u_int qnum, u_int ix, int done)
128 {
129 	const struct ath_tx_status *ts = &first_bf->bf_last->bf_status.ds_txstat;
130 	const struct ath_buf *bf = first_bf;
131 	struct ath_hal *ah = sc->sc_ah;
132 	const struct ath_desc *ds;
133 	int i;
134 
135 	printf("Q%u[%3u]", qnum, ix);
136 	while (bf != NULL) {
137 		for (i = 0, ds = bf->bf_desc; i < bf->bf_nseg; i++, ds++) {
138 			printf(" (DS.V:%p DS.P:%p) L:%08x D:%08x F:%04x%s\n"
139 			       "        TXF: %04x Seq: %d swtry: %d ADDBAW?: %d DOBAW?: %d\n"
140 			       "        %08x %08x %08x %08x %08x %08x\n",
141 			    ds, (const struct ath_desc *)bf->bf_daddr + i,
142 			    ds->ds_link, ds->ds_data, bf->bf_txflags,
143 			    !done ? "" : (ts->ts_status == 0) ? " *" : " !",
144 			    bf->bf_state.bfs_flags,
145 			    bf->bf_state.bfs_seqno,
146 			    bf->bf_state.bfs_retries,
147 			    bf->bf_state.bfs_addedbaw,
148 			    bf->bf_state.bfs_dobaw,
149 			    ds->ds_ctl0, ds->ds_ctl1,
150 			    ds->ds_hw[0], ds->ds_hw[1], ds->ds_hw[2], ds->ds_hw[3]);
151 			if (ah->ah_magic == 0x20065416) {
152 				printf("        %08x %08x %08x %08x %08x %08x %08x %08x\n",
153 				    ds->ds_hw[4], ds->ds_hw[5], ds->ds_hw[6],
154 				    ds->ds_hw[7], ds->ds_hw[8], ds->ds_hw[9],
155 				    ds->ds_hw[10],ds->ds_hw[11]);
156 				printf("        %08x %08x %08x %08x %08x %08x %08x %08x\n",
157 				    ds->ds_hw[12],ds->ds_hw[13],ds->ds_hw[14],
158 				    ds->ds_hw[15],ds->ds_hw[16],ds->ds_hw[17],
159 				    ds->ds_hw[18], ds->ds_hw[19]);
160 			}
161 		}
162 		printf("  [end]\n");
163 		bf = bf->bf_next;
164 	}
165 }
166 
167 #endif	/* ATH_DEBUG */
168