/* * Copyright 2002-2005, Instant802 Networks, Inc. * Copyright 2005, Devicescape Software, Inc. * Copyright (c) 2006 Jiri Benc * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef IEEE80211_RATE_H #define IEEE80211_RATE_H #include #include #include #include #include "ieee80211_i.h" #include "sta_info.h" #include "driver-ops.h" struct rate_control_ref { struct ieee80211_local *local; const struct rate_control_ops *ops; void *priv; }; void rate_control_get_rate(struct ieee80211_sub_if_data *sdata, struct sta_info *sta, struct ieee80211_tx_rate_control *txrc); static inline void rate_control_tx_status(struct ieee80211_local *local, struct ieee80211_supported_band *sband, struct sta_info *sta, struct sk_buff *skb) { struct rate_control_ref *ref = local->rate_ctrl; struct ieee80211_sta *ista = &sta->sta; void *priv_sta = sta->rate_ctrl_priv; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) return; spin_lock_bh(&sta->rate_ctrl_lock); if (ref->ops->tx_status) ref->ops->tx_status(ref->priv, sband, ista, priv_sta, skb); else ref->ops->tx_status_noskb(ref->priv, sband, ista, priv_sta, info); spin_unlock_bh(&sta->rate_ctrl_lock); } static inline void rate_control_tx_status_noskb(struct ieee80211_local *local, struct ieee80211_supported_band *sband, struct sta_info *sta, struct ieee80211_tx_info *info) { struct rate_control_ref *ref = local->rate_ctrl; struct ieee80211_sta *ista = &sta->sta; void *priv_sta = sta->rate_ctrl_priv; if (!ref || !test_sta_flag(sta, WLAN_STA_RATE_CONTROL)) return; if (WARN_ON_ONCE(!ref->ops->tx_status_noskb)) return; spin_lock_bh(&sta->rate_ctrl_lock); ref->ops->tx_status_noskb(ref->priv, sband, ista, priv_sta, info); spin_unlock_bh(&sta->rate_ctrl_lock); } void rate_control_rate_init(struct sta_info *sta); void rate_control_rate_update(struct ieee80211_local *local, struct ieee80211_supported_band *sband, struct sta_info *sta, u32 changed); static inline void *rate_control_alloc_sta(struct rate_control_ref *ref, struct sta_info *sta, gfp_t gfp) { spin_lock_init(&sta->rate_ctrl_lock); return ref->ops->alloc_sta(ref->priv, &sta->sta, gfp); } static inline void rate_control_free_sta(struct sta_info *sta) { struct rate_control_ref *ref = sta->rate_ctrl; struct ieee80211_sta *ista = &sta->sta; void *priv_sta = sta->rate_ctrl_priv; ref->ops->free_sta(ref->priv, ista, priv_sta); } static inline void rate_control_add_sta_debugfs(struct sta_info *sta) { #ifdef CONFIG_MAC80211_DEBUGFS struct rate_control_ref *ref = sta->rate_ctrl; if (ref && sta->debugfs_dir && ref->ops->add_sta_debugfs) ref->ops->add_sta_debugfs(ref->priv, sta->rate_ctrl_priv, sta->debugfs_dir); #endif } static inline void rate_control_remove_sta_debugfs(struct sta_info *sta) { #ifdef CONFIG_MAC80211_DEBUGFS struct rate_control_ref *ref = sta->rate_ctrl; if (ref && ref->ops->remove_sta_debugfs) ref->ops->remove_sta_debugfs(ref->priv, sta->rate_ctrl_priv); #endif } /* Get a reference to the rate control algorithm. If `name' is NULL, get the * first available algorithm. */ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, const char *name); void rate_control_deinitialize(struct ieee80211_local *local); /* Rate control algorithms */ #ifdef CONFIG_MAC80211_RC_MINSTREL int rc80211_minstrel_init(void); void rc80211_minstrel_exit(void); #else static inline int rc80211_minstrel_init(void) { return 0; } static inline void rc80211_minstrel_exit(void) { } #endif #ifdef CONFIG_MAC80211_RC_MINSTREL_HT int rc80211_minstrel_ht_init(void); void rc80211_minstrel_ht_exit(void); #else static inline int rc80211_minstrel_ht_init(void) { return 0; } static inline void rc80211_minstrel_ht_exit(void) { } #endif #endif /* IEEE80211_RATE_H */ load'/>
authorHarish Chegondi <harish.chegondi@intel.com>2016-12-07 19:34:19 -0800
committerDoug Ledford <dledford@redhat.com>2016-12-11 15:29:42 -0500
commit9d8145a604937780898c0e4bdb124a57988fc2ed (patch)
treed60b98fe47eedeb8bf830674fdbdcfe8d031bcd5
parent0771da5a6e9d67e48207a81ddf6c8e739e9493bd (diff)
IB/hfi1: Avoid credit return allocation for cpu-less NUMA nodes
Do not allocate credit return base and DMA memory for NUMA nodes without CPUs. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Harish Chegondi <harish.chegondi@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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