Index: head/sys/net80211/ieee80211_amrr.c =================================================================== --- head/sys/net80211/ieee80211_amrr.c (revision 296924) +++ head/sys/net80211/ieee80211_amrr.c (revision 296925) @@ -1,412 +1,443 @@ /* $OpenBSD: ieee80211_amrr.c,v 1.1 2006/06/17 19:07:19 damien Exp $ */ /*- * Copyright (c) 2010 Rui Paulo * Copyright (c) 2006 * Damien Bergamini * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include __FBSDID("$FreeBSD$"); /*- * Naive implementation of the Adaptive Multi Rate Retry algorithm: * * "IEEE 802.11 Rate Adaptation: A Practical Approach" * Mathieu Lacage, Hossein Manshaei, Thierry Turletti * INRIA Sophia - Projet Planete * http://www-sop.inria.fr/rapports/sophia/RR-5208.html */ #include "opt_wlan.h" #include #include #include #include +#include #include #include #include #include #include #include #ifdef INET #include #include #endif #include #include #include #include #define is_success(amn) \ ((amn)->amn_retrycnt < (amn)->amn_txcnt / 10) #define is_failure(amn) \ ((amn)->amn_retrycnt > (amn)->amn_txcnt / 3) #define is_enough(amn) \ ((amn)->amn_txcnt > 10) static void amrr_setinterval(const struct ieee80211vap *, int); static void amrr_init(struct ieee80211vap *); static void amrr_deinit(struct ieee80211vap *); static void amrr_node_init(struct ieee80211_node *); static void amrr_node_deinit(struct ieee80211_node *); static int amrr_update(struct ieee80211_amrr *, struct ieee80211_amrr_node *, struct ieee80211_node *); static int amrr_rate(struct ieee80211_node *, void *, uint32_t); static void amrr_tx_complete(const struct ieee80211vap *, const struct ieee80211_node *, int, void *, void *); static void amrr_tx_update(const struct ieee80211vap *vap, const struct ieee80211_node *, void *, void *, void *); static void amrr_sysctlattach(struct ieee80211vap *, struct sysctl_ctx_list *, struct sysctl_oid *); +static void amrr_node_stats(struct ieee80211_node *ni, struct sbuf *s); /* number of references from net80211 layer */ static int nrefs = 0; static const struct ieee80211_ratectl amrr = { .ir_name = "amrr", .ir_attach = NULL, .ir_detach = NULL, .ir_init = amrr_init, .ir_deinit = amrr_deinit, .ir_node_init = amrr_node_init, .ir_node_deinit = amrr_node_deinit, .ir_rate = amrr_rate, .ir_tx_complete = amrr_tx_complete, .ir_tx_update = amrr_tx_update, .ir_setinterval = amrr_setinterval, + .ir_node_stats = amrr_node_stats, }; IEEE80211_RATECTL_MODULE(amrr, 1); IEEE80211_RATECTL_ALG(amrr, IEEE80211_RATECTL_AMRR, amrr); static void amrr_setinterval(const struct ieee80211vap *vap, int msecs) { struct ieee80211_amrr *amrr = vap->iv_rs; int t; if (msecs < 100) msecs = 100; t = msecs_to_ticks(msecs); amrr->amrr_interval = (t < 1) ? 1 : t; } static void amrr_init(struct ieee80211vap *vap) { struct ieee80211_amrr *amrr; KASSERT(vap->iv_rs == NULL, ("%s called multiple times", __func__)); amrr = vap->iv_rs = IEEE80211_MALLOC(sizeof(struct ieee80211_amrr), M_80211_RATECTL, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); if (amrr == NULL) { if_printf(vap->iv_ifp, "couldn't alloc ratectl structure\n"); return; } amrr->amrr_min_success_threshold = IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD; amrr->amrr_max_success_threshold = IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD; amrr_setinterval(vap, 500 /* ms */); amrr_sysctlattach(vap, vap->iv_sysctl, vap->iv_oid); } static void amrr_deinit(struct ieee80211vap *vap) { IEEE80211_FREE(vap->iv_rs, M_80211_RATECTL); } /* * Return whether 11n rates are possible. * * Some 11n devices may return HT information but no HT rates. * Thus, we shouldn't treat them as an 11n node. */ static int amrr_node_is_11n(struct ieee80211_node *ni) { if (ni->ni_chan == NULL) return (0); if (ni->ni_chan == IEEE80211_CHAN_ANYC) return (0); if (IEEE80211_IS_CHAN_HT(ni->ni_chan) && ni->ni_htrates.rs_nrates == 0) return (0); return (IEEE80211_IS_CHAN_HT(ni->ni_chan)); } static void amrr_node_init(struct ieee80211_node *ni) { const struct ieee80211_rateset *rs = NULL; struct ieee80211vap *vap = ni->ni_vap; struct ieee80211_amrr *amrr = vap->iv_rs; struct ieee80211_amrr_node *amn; uint8_t rate; if (ni->ni_rctls == NULL) { ni->ni_rctls = amn = IEEE80211_MALLOC(sizeof(struct ieee80211_amrr_node), M_80211_RATECTL, IEEE80211_M_NOWAIT | IEEE80211_M_ZERO); if (amn == NULL) { if_printf(vap->iv_ifp, "couldn't alloc per-node ratectl " "structure\n"); return; } } else amn = ni->ni_rctls; amn->amn_amrr = amrr; amn->amn_success = 0; amn->amn_recovery = 0; amn->amn_txcnt = amn->amn_retrycnt = 0; amn->amn_success_threshold = amrr->amrr_min_success_threshold; /* 11n or not? Pick the right rateset */ if (amrr_node_is_11n(ni)) { /* XXX ew */ IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, "%s: 11n node", __func__); rs = (struct ieee80211_rateset *) &ni->ni_htrates; } else { IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, "%s: non-11n node", __func__); rs = &ni->ni_rates; } /* Initial rate - lowest */ rate = rs->rs_rates[0]; /* XXX clear the basic rate flag if it's not 11n */ if (! amrr_node_is_11n(ni)) rate &= IEEE80211_RATE_VAL; /* pick initial rate from the rateset - HT or otherwise */ /* Pick something low that's likely to succeed */ for (amn->amn_rix = rs->rs_nrates - 1; amn->amn_rix > 0; amn->amn_rix--) { /* legacy - anything < 36mbit, stop searching */ /* 11n - stop at MCS4 */ if (amrr_node_is_11n(ni)) { if ((rs->rs_rates[amn->amn_rix] & 0x1f) < 4) break; } else if ((rs->rs_rates[amn->amn_rix] & IEEE80211_RATE_VAL) <= 72) break; } rate = rs->rs_rates[amn->amn_rix] & IEEE80211_RATE_VAL; /* if the rate is an 11n rate, ensure the MCS bit is set */ if (amrr_node_is_11n(ni)) rate |= IEEE80211_RATE_MCS; /* Assign initial rate from the rateset */ ni->ni_txrate = rate; amn->amn_ticks = ticks; IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, "AMRR: nrates=%d, initial rate %d", rs->rs_nrates, rate); } static void amrr_node_deinit(struct ieee80211_node *ni) { IEEE80211_FREE(ni->ni_rctls, M_80211_RATECTL); } static int amrr_update(struct ieee80211_amrr *amrr, struct ieee80211_amrr_node *amn, struct ieee80211_node *ni) { int rix = amn->amn_rix; const struct ieee80211_rateset *rs = NULL; KASSERT(is_enough(amn), ("txcnt %d", amn->amn_txcnt)); /* 11n or not? Pick the right rateset */ if (amrr_node_is_11n(ni)) { /* XXX ew */ rs = (struct ieee80211_rateset *) &ni->ni_htrates; } else { rs = &ni->ni_rates; } IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, "AMRR: current rate %d, txcnt=%d, retrycnt=%d", rs->rs_rates[rix] & IEEE80211_RATE_VAL, amn->amn_txcnt, amn->amn_retrycnt); /* * XXX This is totally bogus for 11n, as although high MCS * rates for each stream may be failing, the next stream * should be checked. * * Eg, if MCS5 is ok but MCS6/7 isn't, and we can go up to * MCS23, we should skip 6/7 and try 8 onwards. */ if (is_success(amn)) { amn->amn_success++; if (amn->amn_success >= amn->amn_success_threshold && rix + 1 < rs->rs_nrates) { amn->amn_recovery = 1; amn->amn_success = 0; rix++; IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, "AMRR increasing rate %d (txcnt=%d retrycnt=%d)", rs->rs_rates[rix] & IEEE80211_RATE_VAL, amn->amn_txcnt, amn->amn_retrycnt); } else { amn->amn_recovery = 0; } } else if (is_failure(amn)) { amn->amn_success = 0; if (rix > 0) { if (amn->amn_recovery) { amn->amn_success_threshold *= 2; if (amn->amn_success_threshold > amrr->amrr_max_success_threshold) amn->amn_success_threshold = amrr->amrr_max_success_threshold; } else { amn->amn_success_threshold = amrr->amrr_min_success_threshold; } rix--; IEEE80211_NOTE(ni->ni_vap, IEEE80211_MSG_RATECTL, ni, "AMRR decreasing rate %d (txcnt=%d retrycnt=%d)", rs->rs_rates[rix] & IEEE80211_RATE_VAL, amn->amn_txcnt, amn->amn_retrycnt); } amn->amn_recovery = 0; } /* reset counters */ amn->amn_txcnt = 0; amn->amn_retrycnt = 0; return rix; } /* * Return the rate index to use in sending a data frame. * Update our internal state if it's been long enough. * If the rate changes we also update ni_txrate to match. */ static int amrr_rate(struct ieee80211_node *ni, void *arg __unused, uint32_t iarg __unused) { struct ieee80211_amrr_node *amn = ni->ni_rctls; struct ieee80211_amrr *amrr = amn->amn_amrr; const struct ieee80211_rateset *rs = NULL; int rix; /* 11n or not? Pick the right rateset */ if (amrr_node_is_11n(ni)) { /* XXX ew */ rs = (struct ieee80211_rateset *) &ni->ni_htrates; } else { rs = &ni->ni_rates; } if (is_enough(amn) && (ticks - amn->amn_ticks) > amrr->amrr_interval) { rix = amrr_update(amrr, amn, ni); if (rix != amn->amn_rix) { /* update public rate */ ni->ni_txrate = rs->rs_rates[rix]; /* XXX strip basic rate flag from txrate, if non-11n */ if (amrr_node_is_11n(ni)) ni->ni_txrate |= IEEE80211_RATE_MCS; else ni->ni_txrate &= IEEE80211_RATE_VAL; amn->amn_rix = rix; } amn->amn_ticks = ticks; } else rix = amn->amn_rix; return rix; } /* * Update statistics with tx complete status. Ok is non-zero * if the packet is known to be ACK'd. Retries has the number * retransmissions (i.e. xmit attempts - 1). */ static void amrr_tx_complete(const struct ieee80211vap *vap, const struct ieee80211_node *ni, int ok, void *arg1, void *arg2 __unused) { struct ieee80211_amrr_node *amn = ni->ni_rctls; int retries = *(int *)arg1; amn->amn_txcnt++; if (ok) amn->amn_success++; amn->amn_retrycnt += retries; } /* * Set tx count/retry statistics explicitly. Intended for * drivers that poll the device for statistics maintained * in the device. */ static void amrr_tx_update(const struct ieee80211vap *vap, const struct ieee80211_node *ni, void *arg1, void *arg2, void *arg3) { struct ieee80211_amrr_node *amn = ni->ni_rctls; int txcnt = *(int *)arg1, success = *(int *)arg2, retrycnt = *(int *)arg3; amn->amn_txcnt = txcnt; amn->amn_success = success; amn->amn_retrycnt = retrycnt; } static int amrr_sysctl_interval(SYSCTL_HANDLER_ARGS) { struct ieee80211vap *vap = arg1; struct ieee80211_amrr *amrr = vap->iv_rs; int msecs = ticks_to_msecs(amrr->amrr_interval); int error; error = sysctl_handle_int(oidp, &msecs, 0, req); if (error || !req->newptr) return error; amrr_setinterval(vap, msecs); return 0; } static void amrr_sysctlattach(struct ieee80211vap *vap, struct sysctl_ctx_list *ctx, struct sysctl_oid *tree) { struct ieee80211_amrr *amrr = vap->iv_rs; SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "amrr_rate_interval", CTLTYPE_INT | CTLFLAG_RW, vap, 0, amrr_sysctl_interval, "I", "amrr operation interval (ms)"); /* XXX bounds check values */ SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "amrr_max_sucess_threshold", CTLFLAG_RW, &amrr->amrr_max_success_threshold, 0, ""); SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, "amrr_min_sucess_threshold", CTLFLAG_RW, &amrr->amrr_min_success_threshold, 0, ""); +} + +static void +amrr_node_stats(struct ieee80211_node *ni, struct sbuf *s) +{ + int rate; + struct ieee80211_amrr_node *amn = ni->ni_rctls; + struct ieee80211_rateset *rs; + + /* XXX TODO: check locking? */ + + /* XXX TODO: this should be a method */ + if (amrr_node_is_11n(ni)) { + rs = (struct ieee80211_rateset *) &ni->ni_htrates; + rate = rs->rs_rates[amn->amn_rix] & IEEE80211_RATE_VAL; + sbuf_printf(s, "rate: MCS %d\n", rate); + } else { + rs = &ni->ni_rates; + rate = rs->rs_rates[amn->amn_rix] & IEEE80211_RATE_VAL; + sbuf_printf(s, "rate: %d Mbit\n", rate / 2); + } + + sbuf_printf(s, "ticks: %d\n", amn->amn_ticks); + sbuf_printf(s, "txcnt: %u\n", amn->amn_txcnt); + sbuf_printf(s, "success: %u\n", amn->amn_success); + sbuf_printf(s, "success_threshold: %u\n", amn->amn_success_threshold); + sbuf_printf(s, "recovery: %u\n", amn->amn_recovery); + sbuf_printf(s, "retry_cnt: %u\n", amn->amn_retrycnt); } Index: head/sys/net80211/ieee80211_ratectl.c =================================================================== --- head/sys/net80211/ieee80211_ratectl.c (revision 296924) +++ head/sys/net80211/ieee80211_ratectl.c (revision 296925) @@ -1,95 +1,136 @@ /*- * Copyright (c) 2010 Rui Paulo * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include __FBSDID("$FreeBSD$"); #include #include +#include #include #include #include #include #include #include #include #include #include static const struct ieee80211_ratectl *ratectls[IEEE80211_RATECTL_MAX]; static const char *ratectl_modnames[IEEE80211_RATECTL_MAX] = { [IEEE80211_RATECTL_AMRR] = "wlan_amrr", [IEEE80211_RATECTL_RSSADAPT] = "wlan_rssadapt", [IEEE80211_RATECTL_ONOE] = "wlan_onoe", [IEEE80211_RATECTL_SAMPLE] = "wlan_sample", [IEEE80211_RATECTL_NONE] = "wlan_none", }; MALLOC_DEFINE(M_80211_RATECTL, "80211ratectl", "802.11 rate control"); void ieee80211_ratectl_register(int type, const struct ieee80211_ratectl *ratectl) { if (type >= IEEE80211_RATECTL_MAX) return; ratectls[type] = ratectl; } void ieee80211_ratectl_unregister(int type) { if (type >= IEEE80211_RATECTL_MAX) return; ratectls[type] = NULL; } +static void +ieee80211_ratectl_sysctl_stats_node_iter(void *arg, struct ieee80211_node *ni) +{ + + struct sbuf *sb = (struct sbuf *) arg; + sbuf_printf(sb, "MAC: %6D\n", ni->ni_macaddr, ":"); + ieee80211_ratectl_node_stats(ni, sb); + sbuf_printf(sb, "\n"); +} + +static int +ieee80211_ratectl_sysctl_stats(SYSCTL_HANDLER_ARGS) +{ + struct ieee80211vap *vap = arg1; + struct ieee80211com *ic = vap->iv_ic; + struct sbuf sb; + int error; + + error = sysctl_wire_old_buffer(req, 0); + if (error) + return (error); + sbuf_new_for_sysctl(&sb, NULL, 8, req); + sbuf_clear_flags(&sb, SBUF_INCLUDENUL); + + IEEE80211_LOCK(ic); + ieee80211_iterate_nodes(&ic->ic_sta, + ieee80211_ratectl_sysctl_stats_node_iter, + &sb); + IEEE80211_UNLOCK(ic); + + error = sbuf_finish(&sb); + sbuf_delete(&sb); + return (error); +} + void ieee80211_ratectl_init(struct ieee80211vap *vap) { if (vap->iv_rate == ratectls[IEEE80211_RATECTL_NONE]) ieee80211_ratectl_set(vap, IEEE80211_RATECTL_AMRR); vap->iv_rate->ir_init(vap); + + /* Attach generic stats sysctl */ + SYSCTL_ADD_PROC(vap->iv_sysctl, SYSCTL_CHILDREN(vap->iv_oid), OID_AUTO, + "rate_stats", CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, vap, + 0, ieee80211_ratectl_sysctl_stats, "A", "ratectl node stats"); } void ieee80211_ratectl_set(struct ieee80211vap *vap, int type) { if (type >= IEEE80211_RATECTL_MAX) return; if (ratectls[type] == NULL) { ieee80211_load_module(ratectl_modnames[type]); if (ratectls[type] == NULL) { IEEE80211_DPRINTF(vap, IEEE80211_MSG_RATECTL, "%s: unable to load algo %u, module %s\n", __func__, type, ratectl_modnames[type]); vap->iv_rate = ratectls[IEEE80211_RATECTL_NONE]; return; } } vap->iv_rate = ratectls[type]; } Index: head/sys/net80211/ieee80211_ratectl.h =================================================================== --- head/sys/net80211/ieee80211_ratectl.h (revision 296924) +++ head/sys/net80211/ieee80211_ratectl.h (revision 296925) @@ -1,117 +1,128 @@ /*- * Copyright (c) 2010 Rui Paulo * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ enum ieee80211_ratealgs { IEEE80211_RATECTL_AMRR = 0, IEEE80211_RATECTL_RSSADAPT = 1, IEEE80211_RATECTL_ONOE = 2, IEEE80211_RATECTL_SAMPLE = 3, IEEE80211_RATECTL_NONE = 4, IEEE80211_RATECTL_MAX }; #define IEEE80211_RATECTL_TX_SUCCESS 1 #define IEEE80211_RATECTL_TX_FAILURE 0 struct ieee80211_ratectl { const char *ir_name; int (*ir_attach)(const struct ieee80211vap *); void (*ir_detach)(const struct ieee80211vap *); void (*ir_init)(struct ieee80211vap *); void (*ir_deinit)(struct ieee80211vap *); void (*ir_node_init)(struct ieee80211_node *); void (*ir_node_deinit)(struct ieee80211_node *); int (*ir_rate)(struct ieee80211_node *, void *, uint32_t); void (*ir_tx_complete)(const struct ieee80211vap *, const struct ieee80211_node *, int, void *, void *); void (*ir_tx_update)(const struct ieee80211vap *, const struct ieee80211_node *, void *, void *, void *); void (*ir_setinterval)(const struct ieee80211vap *, int); + void (*ir_node_stats)(struct ieee80211_node *ni, struct sbuf *s); }; void ieee80211_ratectl_register(int, const struct ieee80211_ratectl *); void ieee80211_ratectl_unregister(int); void ieee80211_ratectl_init(struct ieee80211vap *); void ieee80211_ratectl_set(struct ieee80211vap *, int); MALLOC_DECLARE(M_80211_RATECTL); static __inline void ieee80211_ratectl_deinit(struct ieee80211vap *vap) { vap->iv_rate->ir_deinit(vap); } static __inline void ieee80211_ratectl_node_init(struct ieee80211_node *ni) { const struct ieee80211vap *vap = ni->ni_vap; vap->iv_rate->ir_node_init(ni); } static __inline void ieee80211_ratectl_node_deinit(struct ieee80211_node *ni) { const struct ieee80211vap *vap = ni->ni_vap; vap->iv_rate->ir_node_deinit(ni); } static int __inline ieee80211_ratectl_rate(struct ieee80211_node *ni, void *arg, uint32_t iarg) { const struct ieee80211vap *vap = ni->ni_vap; return vap->iv_rate->ir_rate(ni, arg, iarg); } static __inline void ieee80211_ratectl_tx_complete(const struct ieee80211vap *vap, const struct ieee80211_node *ni, int status, void *arg1, void *arg2) { vap->iv_rate->ir_tx_complete(vap, ni, status, arg1, arg2); } static __inline void ieee80211_ratectl_tx_update(const struct ieee80211vap *vap, const struct ieee80211_node *ni, void *arg1, void *arg2, void *arg3) { if (vap->iv_rate->ir_tx_update == NULL) return; vap->iv_rate->ir_tx_update(vap, ni, arg1, arg2, arg3); } static __inline void ieee80211_ratectl_setinterval(const struct ieee80211vap *vap, int msecs) { if (vap->iv_rate->ir_setinterval == NULL) return; vap->iv_rate->ir_setinterval(vap, msecs); +} + +static __inline void +ieee80211_ratectl_node_stats(struct ieee80211_node *ni, struct sbuf *s) +{ + const struct ieee80211vap *vap = ni->ni_vap; + + if (vap->iv_rate->ir_node_stats == NULL) + return; + vap->iv_rate->ir_node_stats(ni, s); }