cregit-Linux how code gets into the kernel

Release 4.11 drivers/net/wireless/ath/ath9k/dynack.h

/*
 * 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);
#else

static inline void ath_dynack_init(struct ath_hw *ah) {}

Contributors

PersonTokensPropCommitsCommitProp
Lorenzo Bianconi11100.00%1100.00%
Total11100.00%1100.00%


static inline void ath_dynack_node_init(struct ath_hw *ah, struct ath_node *an) {}

Contributors

PersonTokensPropCommitsCommitProp
Lorenzo Bianconi16100.00%1100.00%
Total16100.00%1100.00%


static inline void ath_dynack_node_deinit(struct ath_hw *ah, struct ath_node *an) {}

Contributors

PersonTokensPropCommitsCommitProp
Lorenzo Bianconi16100.00%1100.00%
Total16100.00%1100.00%


static inline void ath_dynack_sample_ack_ts(struct ath_hw *ah, struct sk_buff *skb, u32 ts) {}

Contributors

PersonTokensPropCommitsCommitProp
Lorenzo Bianconi19100.00%1100.00%
Total19100.00%1100.00%


static inline void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb, struct ath_tx_status *ts) {}

Contributors

PersonTokensPropCommitsCommitProp
Lorenzo Bianconi21100.00%1100.00%
Total21100.00%1100.00%

#endif #endif /* DYNACK_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Lorenzo Bianconi297100.00%1100.00%
Total297100.00%1100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.