2 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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,
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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.
35 * ath statistics class.
37 #include <sys/types.h>
39 #include <sys/sockio.h>
40 #include <sys/socket.h>
42 #include <net/if_media.h>
43 #include <net/if_var.h>
54 #include "net80211/ieee80211_ioctl.h"
55 #include "net80211/ieee80211_radiotap.h"
56 #include "if_athioctl.h"
58 #include "athaggrstats.h"
60 #define NOTPRESENT { 0, "", "" }
62 #define AFTER(prev) ((prev)+1)
64 static const struct fmt athaggrstats[] = {
66 #define S_SINGLE_PKT 0
67 { 4, "singlepkt", "spkt", "single frames scheduled" },
68 #define S_NONBAW_PKT AFTER(S_SINGLE_PKT)
69 { 5, "nonbawpkt", "nbpkt", "frames outside of the BAW" },
70 #define S_AGGR_PKT AFTER(S_NONBAW_PKT)
71 { 6, "aggrpkt", "aggpkt", "aggregate frames scheduled" },
72 #define S_BAW_CLOSED_SINGLE_PKT AFTER(S_AGGR_PKT)
73 { 8, "bawclosedpkt", "bawclpkt", "single frames due to closed BAW" },
74 #define S_LOW_HWQ_SINGLE_PKT AFTER(S_BAW_CLOSED_SINGLE_PKT)
75 { 6, "lhsinglepkt", "lhspkt", "single frames scheduled due to low HWQ depth" },
76 #define S_SCHED_NOPKT AFTER(S_LOW_HWQ_SINGLE_PKT)
77 { 6, "schednopkt", "snopkt", "sched called with no frames" },
78 #define S_RTS_AGGR_LIMITED AFTER(S_SCHED_NOPKT)
79 { 8, "rtsaggrlimit", "rtslimit", "RTS limited aggregates" },
80 #define S_PKT0 AFTER(S_RTS_AGGR_LIMITED)
81 { 2, "p0", "p0", "" },
82 #define S_PKT1 AFTER(S_PKT0)
83 { 2, "p1", "p1", "" },
84 #define S_PKT2 AFTER(S_PKT1)
85 { 2, "p2", "p2", "" },
86 #define S_PKT3 AFTER(S_PKT2)
87 { 2, "p3", "p3", "" },
88 #define S_PKT4 AFTER(S_PKT3)
89 { 2, "p4", "p4", "" },
90 #define S_PKT5 AFTER(S_PKT4)
91 { 2, "p5", "p5", "" },
92 #define S_PKT6 AFTER(S_PKT5)
93 { 2, "p6", "p6", "" },
94 #define S_PKT7 AFTER(S_PKT6)
95 { 2, "p7", "p7", "" },
96 #define S_PKT8 AFTER(S_PKT7)
97 { 2, "p8", "p8", "" },
98 #define S_PKT9 AFTER(S_PKT8)
99 { 2, "p9", "p9", "" },
100 #define S_PKT10 AFTER(S_PKT9)
101 { 3, "p10", "p10", "" },
102 #define S_PKT11 AFTER(S_PKT10)
103 { 3, "p11", "p11", "" },
104 #define S_PKT12 AFTER(S_PKT11)
105 { 3, "p12", "p12", "" },
106 #define S_PKT13 AFTER(S_PKT12)
107 { 3, "p13", "p13", "" },
108 #define S_PKT14 AFTER(S_PKT13)
109 { 3, "p14", "p14", "" },
110 #define S_PKT15 AFTER(S_PKT14)
111 { 3, "p15", "p15", "" },
112 #define S_PKT16 AFTER(S_PKT15)
113 { 3, "p16", "p16", "" },
114 #define S_PKT17 AFTER(S_PKT16)
115 { 3, "p17", "p17", "" },
116 #define S_PKT18 AFTER(S_PKT17)
117 { 3, "p18", "p18", "" },
118 #define S_PKT19 AFTER(S_PKT18)
119 { 3, "p19", "p19", "" },
120 #define S_PKT20 AFTER(S_PKT19)
121 { 3, "p20", "p20", "" },
122 #define S_PKT21 AFTER(S_PKT20)
123 { 3, "p21", "p21", "" },
124 #define S_PKT22 AFTER(S_PKT21)
125 { 3, "p22", "p22", "" },
126 #define S_PKT23 AFTER(S_PKT22)
127 { 3, "p23", "p23", "" },
128 #define S_PKT24 AFTER(S_PKT23)
129 { 3, "p24", "p24", "" },
130 #define S_PKT25 AFTER(S_PKT24)
131 { 3, "p25", "p25", "" },
132 #define S_PKT26 AFTER(S_PKT25)
133 { 3, "p26", "p26", "" },
134 #define S_PKT27 AFTER(S_PKT26)
135 { 3, "p27", "p27", "" },
136 #define S_PKT28 AFTER(S_PKT27)
137 { 3, "p28", "p28", "" },
138 #define S_PKT29 AFTER(S_PKT28)
139 { 3, "p29", "p29", "" },
140 #define S_PKT30 AFTER(S_PKT29)
141 { 3, "p30", "p30", "" },
142 #define S_PKT31 AFTER(S_PKT30)
143 { 3, "p31", "p31", "" },
146 #define S_LAST S_RTS_AGGR_LIMITED
147 #define S_MAX (S_PKT31 + 1)
149 struct athaggrstatfoo_p {
150 struct athaggrstatfoo base;
155 struct ath_tx_aggr_stats cur;
156 struct ath_tx_aggr_stats total;
160 ath_setifname(struct athaggrstatfoo *wf0, const char *ifname)
162 struct athaggrstatfoo_p *wf = (struct athaggrstatfoo_p *) wf0;
164 strncpy(wf->ifr.ifr_name, ifname, sizeof (wf->ifr.ifr_name));
168 ath_zerostats(struct athaggrstatfoo *wf0)
171 struct athaggrstatfoo_p *wf = (struct athaggrstatfoo_p *) wf0;
173 if (ioctl(wf->s, SIOCZATHSTATS, &wf->ifr) < 0)
174 err(-1, wf->ifr.ifr_name);
179 ath_collect(struct athaggrstatfoo_p *wf, struct ath_tx_aggr_stats *stats)
181 wf->ifr.ifr_data = (caddr_t) stats;
182 if (ioctl(wf->s, SIOCGATHAGSTATS, &wf->ifr) < 0)
183 err(1, wf->ifr.ifr_name);
187 ath_collect_cur(struct statfoo *sf)
189 struct athaggrstatfoo_p *wf = (struct athaggrstatfoo_p *) sf;
191 ath_collect(wf, &wf->cur);
195 ath_collect_tot(struct statfoo *sf)
197 struct athaggrstatfoo_p *wf = (struct athaggrstatfoo_p *) sf;
199 ath_collect(wf, &wf->total);
203 ath_update_tot(struct statfoo *sf)
205 struct athaggrstatfoo_p *wf = (struct athaggrstatfoo_p *) sf;
211 snprintrate(char b[], size_t bs, int rate)
213 if (rate & IEEE80211_RATE_MCS)
214 snprintf(b, bs, "MCS%u", rate &~ IEEE80211_RATE_MCS);
216 snprintf(b, bs, "%u.5M", rate / 2);
218 snprintf(b, bs, "%uM", rate / 2);
222 ath_get_curstat(struct statfoo *sf, int s, char b[], size_t bs)
224 struct athaggrstatfoo_p *wf = (struct athaggrstatfoo_p *) sf;
226 snprintf(b, bs, "%u", wf->cur.aggr_##x - wf->total.aggr_##x); return 1
228 snprintf(b, bs, "%u", wf->cur.aggr_pkts[x] - wf->total.aggr_pkts[x]); return 1
231 case S_SINGLE_PKT: STAT(single_pkt);
232 case S_NONBAW_PKT: STAT(nonbaw_pkt);
233 case S_AGGR_PKT: STAT(aggr_pkt);
234 case S_BAW_CLOSED_SINGLE_PKT: STAT(baw_closed_single_pkt);
235 case S_LOW_HWQ_SINGLE_PKT: STAT(low_hwq_single_pkt);
236 case S_SCHED_NOPKT: STAT(sched_nopkt);
237 case S_RTS_AGGR_LIMITED: STAT(rts_aggr_limited);
248 case S_PKT10: PKT(10);
249 case S_PKT11: PKT(11);
250 case S_PKT12: PKT(12);
251 case S_PKT13: PKT(13);
252 case S_PKT14: PKT(14);
253 case S_PKT15: PKT(15);
254 case S_PKT16: PKT(16);
255 case S_PKT17: PKT(17);
256 case S_PKT18: PKT(18);
257 case S_PKT19: PKT(19);
258 case S_PKT20: PKT(20);
259 case S_PKT21: PKT(21);
260 case S_PKT22: PKT(22);
261 case S_PKT23: PKT(23);
262 case S_PKT24: PKT(24);
263 case S_PKT25: PKT(25);
264 case S_PKT26: PKT(26);
265 case S_PKT27: PKT(27);
266 case S_PKT28: PKT(28);
267 case S_PKT29: PKT(29);
268 case S_PKT30: PKT(30);
269 case S_PKT31: PKT(31);
278 ath_get_totstat(struct statfoo *sf, int s, char b[], size_t bs)
280 struct athaggrstatfoo_p *wf = (struct athaggrstatfoo_p *) sf;
282 snprintf(b, bs, "%u", wf->total.aggr_##x); return 1
284 snprintf(b, bs, "%u", wf->total.aggr_pkts[x]); return 1
287 case S_SINGLE_PKT: STAT(single_pkt);
288 case S_NONBAW_PKT: STAT(nonbaw_pkt);
289 case S_AGGR_PKT: STAT(aggr_pkt);
290 case S_BAW_CLOSED_SINGLE_PKT: STAT(baw_closed_single_pkt);
291 case S_LOW_HWQ_SINGLE_PKT: STAT(low_hwq_single_pkt);
292 case S_SCHED_NOPKT: STAT(sched_nopkt);
293 case S_RTS_AGGR_LIMITED: STAT(rts_aggr_limited);
304 case S_PKT10: PKT(10);
305 case S_PKT11: PKT(11);
306 case S_PKT12: PKT(12);
307 case S_PKT13: PKT(13);
308 case S_PKT14: PKT(14);
309 case S_PKT15: PKT(15);
310 case S_PKT16: PKT(16);
311 case S_PKT17: PKT(17);
312 case S_PKT18: PKT(18);
313 case S_PKT19: PKT(19);
314 case S_PKT20: PKT(20);
315 case S_PKT21: PKT(21);
316 case S_PKT22: PKT(22);
317 case S_PKT23: PKT(23);
318 case S_PKT24: PKT(24);
319 case S_PKT25: PKT(25);
320 case S_PKT26: PKT(26);
321 case S_PKT27: PKT(27);
322 case S_PKT28: PKT(28);
323 case S_PKT29: PKT(29);
324 case S_PKT30: PKT(30);
325 case S_PKT31: PKT(31);
334 ath_print_verbose(struct statfoo *sf, FILE *fd)
336 struct athaggrstatfoo_p *wf = (struct athaggrstatfoo_p *) sf;
343 for (i = 0; i < S_LAST; i++) {
345 if (f->width > width)
348 for (i = 0; i < S_LAST; i++) {
349 if (ath_get_totstat(sf, i, s, sizeof(s)) && strcmp(s, "0")) {
351 fprintf(fd, "%s%-*s %s\n", indent, width, s,
352 athaggrstats[i].desc);
356 fprintf(fd, "\nAggregate size profile:\n\n");
357 for (i = 0; i < 64; i++) {
358 fprintf(fd, "%2d: %12u%s",
360 wf->total.aggr_pkts[i],
361 (i % 4 == 3) ? "\n" : " ");
366 STATFOO_DEFINE_BOUNCE(athaggrstatfoo)
368 struct athaggrstatfoo *
369 athaggrstats_new(const char *ifname, const char *fmtstring)
371 #define N(a) (sizeof(a) / sizeof(a[0]))
372 struct athaggrstatfoo_p *wf;
374 wf = calloc(1, sizeof(struct athaggrstatfoo_p));
376 statfoo_init(&wf->base.base, "athaggrstats",
377 athaggrstats, N(athaggrstats));
378 /* override base methods */
379 wf->base.base.collect_cur = ath_collect_cur;
380 wf->base.base.collect_tot = ath_collect_tot;
381 wf->base.base.get_curstat = ath_get_curstat;
382 wf->base.base.get_totstat = ath_get_totstat;
383 wf->base.base.update_tot = ath_update_tot;
384 wf->base.base.print_verbose = ath_print_verbose;
386 /* setup bounce functions for public methods */
387 STATFOO_BOUNCE(wf, athaggrstatfoo);
389 /* setup our public methods */
390 wf->base.setifname = ath_setifname;
392 wf->base.setstamac = wlan_setstamac;
394 wf->base.zerostats = ath_zerostats;
395 wf->s = socket(AF_INET, SOCK_DGRAM, 0);
399 ath_setifname(&wf->base, ifname);
400 wf->base.setfmt(&wf->base, fmtstring);