ieee80211_rssadapt.h (178354) | ieee80211_rssadapt.h (206358) |
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1/* $FreeBSD: head/sys/net80211/ieee80211_rssadapt.h 178354 2008-04-20 20:35:46Z sam $ */ | 1/* $FreeBSD: head/sys/net80211/ieee80211_rssadapt.h 206358 2010-04-07 15:29:13Z rpaulo $ */ |
2/* $NetBSD: ieee80211_rssadapt.h,v 1.4 2005/02/26 22:45:09 perry Exp $ */ 3/*- 4 * Copyright (c) 2003, 2004 David Young. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or 7 * without modification, are permitted provided that the following 8 * conditions are met: 9 * 1. Redistributions of source code must retain the above copyright --- 28 unchanged lines hidden (view full) --- 38 */ 39 40/* Buckets for frames 0-128 bytes long, 129-1024, 1025-maximum. */ 41#define IEEE80211_RSSADAPT_BKTS 3 42#define IEEE80211_RSSADAPT_BKT0 128 43#define IEEE80211_RSSADAPT_BKTPOWER 3 /* 2**_BKTPOWER */ 44 45struct ieee80211_rssadapt { | 2/* $NetBSD: ieee80211_rssadapt.h,v 1.4 2005/02/26 22:45:09 perry Exp $ */ 3/*- 4 * Copyright (c) 2003, 2004 David Young. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or 7 * without modification, are permitted provided that the following 8 * conditions are met: 9 * 1. Redistributions of source code must retain the above copyright --- 28 unchanged lines hidden (view full) --- 38 */ 39 40/* Buckets for frames 0-128 bytes long, 129-1024, 1025-maximum. */ 41#define IEEE80211_RSSADAPT_BKTS 3 42#define IEEE80211_RSSADAPT_BKT0 128 43#define IEEE80211_RSSADAPT_BKTPOWER 3 /* 2**_BKTPOWER */ 44 45struct ieee80211_rssadapt { |
46 struct ieee80211vap *vap; | 46 const struct ieee80211vap *vap; |
47 int interval; /* update interval (ticks) */ 48}; 49 50struct ieee80211_rssadapt_node { 51 struct ieee80211_rssadapt *ra_rs; /* backpointer */ 52 struct ieee80211_rateset ra_rates; /* negotiated rates */ 53 int ra_rix; /* current rate index */ 54 int ra_ticks; /* time of last update */ --- 6 unchanged lines hidden (view full) --- 61 uint32_t ra_nok; 62 /* exponential average packets/second */ 63 uint32_t ra_pktrate; 64 /* RSSI threshold for each Tx rate */ 65 uint16_t ra_rate_thresh[IEEE80211_RSSADAPT_BKTS] 66 [IEEE80211_RATE_SIZE]; 67}; 68 | 47 int interval; /* update interval (ticks) */ 48}; 49 50struct ieee80211_rssadapt_node { 51 struct ieee80211_rssadapt *ra_rs; /* backpointer */ 52 struct ieee80211_rateset ra_rates; /* negotiated rates */ 53 int ra_rix; /* current rate index */ 54 int ra_ticks; /* time of last update */ --- 6 unchanged lines hidden (view full) --- 61 uint32_t ra_nok; 62 /* exponential average packets/second */ 63 uint32_t ra_pktrate; 64 /* RSSI threshold for each Tx rate */ 65 uint16_t ra_rate_thresh[IEEE80211_RSSADAPT_BKTS] 66 [IEEE80211_RATE_SIZE]; 67}; 68 |
69void ieee80211_rssadapt_init(struct ieee80211_rssadapt *, 70 struct ieee80211vap *, int); 71void ieee80211_rssadapt_cleanup(struct ieee80211_rssadapt *); 72void ieee80211_rssadapt_setinterval(struct ieee80211_rssadapt *, int); 73void ieee80211_rssadapt_node_init(struct ieee80211_rssadapt *, 74 struct ieee80211_rssadapt_node *, struct ieee80211_node *); 75int ieee80211_rssadapt_choose(struct ieee80211_node *, 76 struct ieee80211_rssadapt_node *, u_int); 77 78/* NB: these are public only for the inline below */ 79void ieee80211_rssadapt_raise_rate(struct ieee80211_rssadapt_node *, 80 int pktlen, int rssi); 81void ieee80211_rssadapt_lower_rate(struct ieee80211_rssadapt_node *, 82 int pktlen, int rssi); 83 | |
84#define IEEE80211_RSSADAPT_SUCCESS 1 85#define IEEE80211_RSSADAPT_FAILURE 0 | 69#define IEEE80211_RSSADAPT_SUCCESS 1 70#define IEEE80211_RSSADAPT_FAILURE 0 |
86 87static __inline void 88ieee80211_rssadapt_tx_complete(struct ieee80211_rssadapt_node *ra, 89 int success, int pktlen, int rssi) 90{ 91 if (success) { 92 ra->ra_nok++; 93 if ((ra->ra_rix + 1) < ra->ra_rates.rs_nrates && 94 (ticks - ra->ra_last_raise) >= ra->ra_raise_interval) 95 ieee80211_rssadapt_raise_rate(ra, pktlen, rssi); 96 } else { 97 ra->ra_nfail++; 98 ieee80211_rssadapt_lower_rate(ra, pktlen, rssi); 99 } 100} | |
101#endif /* _NET80211_IEEE80211_RSSADAPT_H_ */ | 71#endif /* _NET80211_IEEE80211_RSSADAPT_H_ */ |