/*
* Copyright ( c ) 2014 , Lorenzo Bianconi < lorenzo . bianconi83 @ gmail . com >
*
* Permission to use , copy , modify , and / or 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 .
*/
#ifndef DYNACK_H
#define DYNACK_H
#define ATH_DYN_BUF 64
struct ath_hw;
struct ath_node;
/**
* struct ath_dyn_rxbuf - ACK frame ring buffer
* @ h_rb : ring buffer head
* @ t_rb : ring buffer tail
* @ tstamp : ACK RX timestamp buffer
*/
struct ath_dyn_rxbuf {
u16 h_rb, t_rb;
u32 tstamp[ATH_DYN_BUF];
};
struct ts_info {
u32 tstamp;
u32 dur;
};
struct haddr_pair {
u8 h_dest[ETH_ALEN];
u8 h_src[ETH_ALEN];
};
/**
* struct ath_dyn_txbuf - tx frame ring buffer
* @ h_rb : ring buffer head
* @ t_rb : ring buffer tail
* @ addr : dest / src address pair for a given TX frame
* @ ts : TX frame timestamp buffer
*/
struct ath_dyn_txbuf {
u16 h_rb, t_rb;
struct haddr_pair addr[ATH_DYN_BUF];
struct ts_info ts[ATH_DYN_BUF];
};
/**
* struct ath_dynack - dynack processing info
* @ enabled : enable dyn ack processing
* @ ackto : current ACK timeout
* @ lto : last ACK timeout computation
* @ nodes : ath_node linked list
* @ qlock : ts queue spinlock
* @ ack_rbf : ACK ts ring buffer
* @ st_rbf : status ts ring buffer
*/
struct ath_dynack {
bool enabled;
int ackto;
unsigned long lto;
struct list_head nodes;
/* protect timestamp queue access */
spinlock_t qlock;
struct ath_dyn_rxbuf ack_rbf;
struct ath_dyn_txbuf st_rbf;
};
#if defined (CONFIG_ATH9K_DYNACK)
void ath_dynack_reset(struct ath_hw *ah);
void ath_dynack_node_init(struct ath_hw *ah, struct ath_node *an);
void ath_dynack_node_deinit(struct ath_hw *ah, struct ath_node *an);
void ath_dynack_init(struct ath_hw *ah);
void ath_dynack_sample_ack_ts(struct ath_hw *ah, struct sk_buff *skb, u32 ts);
void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb,
struct ath_tx_status *ts,
struct ieee80211_sta *sta);
#else
static inline void ath_dynack_init(struct ath_hw *ah) {}
static inline void ath_dynack_node_init(struct ath_hw *ah,
struct ath_node *an) {}
static inline void ath_dynack_node_deinit(struct ath_hw *ah,
struct ath_node *an) {}
static inline void ath_dynack_sample_ack_ts(struct ath_hw *ah,
struct sk_buff *skb, u32 ts) {}
static inline void ath_dynack_sample_tx_ts(struct ath_hw *ah,
struct sk_buff *skb,
struct ath_tx_status *ts,
struct ieee80211_sta *sta) {}
#endif
#endif /* DYNACK_H */
Messung V0.5 in Prozent C=95 H=100 G=97
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-02)
¤
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