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Commit 7a90744c authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by John W. Linville
Browse files

ath9k: add debugfs support for dynack 



Add ack_to entry to debugfs in order to dump current ACK timeout value

Signed-off-by: default avatarLorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 35c273ea

drivers/net/wireless/ath/ath9k/debug.c

+28 −0
Original line number Diff line number Diff line
@@ -1169,6 +1169,29 @@ static const struct file_operations fops_btcoex = { 
};

#endif



#ifdef CONFIG_ATH9K_DYNACK

static ssize_t read_file_ackto(struct file *file, char __user *user_buf,

			       size_t count, loff_t *ppos)

{

	struct ath_softc *sc = file->private_data;

	struct ath_hw *ah = sc->sc_ah;

	char buf[32];

	unsigned int len;



	len = sprintf(buf, "%u %c\n", ah->dynack.ackto,

		      (ah->dynack.enabled) ? 'A' : 'S');



	return simple_read_from_buffer(user_buf, count, ppos, buf, len);

}



static const struct file_operations fops_ackto = {

	.read = read_file_ackto,

	.open = simple_open,

	.owner = THIS_MODULE,

	.llseek = default_llseek,

};

#endif



/* Ethtool support for get-stats */



#define AMKSTR(nm) #nm "_BE", #nm "_BK", #nm "_VI", #nm "_VO"
@@ -1374,5 +1397,10 @@ int ath9k_init_debug(struct ath_hw *ah) 
			    &fops_btcoex);

#endif



#ifdef CONFIG_ATH9K_DYNACK

	debugfs_create_file("ack_to", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy,

			    sc, &fops_ackto);

#endif



	return 0;

}