mirror of https://github.com/proski/madwifi
sample: eliminate clever code to determine which proc file is accessed
Linux 3.19 would break sample.c and it's not the first breakage in sample.c. File operations is a perpetual portability issue. Write separate structures and .open functions for every proc file.
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@ -1042,17 +1042,10 @@ proc_read_nodes(struct ieee80211vap *vap, const int size, char *buf, int space)
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}
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}
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static int
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static int
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proc_ratesample_open(struct inode *inode, struct file *file)
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proc_ratesample_open(struct inode *inode, struct file *file, unsigned long size)
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{
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{
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struct proc_ieee80211_priv *pv;
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struct proc_ieee80211_priv *pv;
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struct ieee80211vap *vap = PDE_DATA(inode);
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struct ieee80211vap *vap = PDE_DATA(inode);
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unsigned long size;
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/* Determine what size packets to get stats for based on proc filename */
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size = simple_strtoul(file->f_dentry->d_name.name +
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strlen("ratestats_"), NULL, 0);
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if (size < 250 || size > 3000)
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return -ENOENT;
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if (!(file->private_data = kzalloc(sizeof(struct proc_ieee80211_priv),
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if (!(file->private_data = kzalloc(sizeof(struct proc_ieee80211_priv),
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GFP_KERNEL)))
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GFP_KERNEL)))
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@ -1081,10 +1074,42 @@ proc_ratesample_open(struct inode *inode, struct file *file)
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return 0;
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return 0;
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}
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}
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static struct file_operations proc_ratesample_ops = {
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static int
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proc_ratesample_open_250(struct inode *inode, struct file *file, unsigned long size)
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{
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proc_ratesample_open(inode, file, 250);
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}
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static int
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proc_ratesample_open_1600(struct inode *inode, struct file *file, unsigned long size)
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{
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proc_ratesample_open(inode, file, 1600);
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}
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static int
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proc_ratesample_open_3000(struct inode *inode, struct file *file, unsigned long size)
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{
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proc_ratesample_open(inode, file, 3000);
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}
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static struct file_operations proc_ratesample_ops_250 = {
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.read = NULL,
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.read = NULL,
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.write = NULL,
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.write = NULL,
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.open = proc_ratesample_open,
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.open = proc_ratesample_open_250,
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.release = NULL,
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};
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static struct file_operations proc_ratesample_ops_1600 = {
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.read = NULL,
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.write = NULL,
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.open = proc_ratesample_open_1600,
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.release = NULL,
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};
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static struct file_operations proc_ratesample_ops_3000 = {
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.read = NULL,
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.write = NULL,
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.open = proc_ratesample_open_3000,
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.release = NULL,
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.release = NULL,
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};
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};
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@ -1092,9 +1117,9 @@ static void
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ath_rate_dynamic_proc_register(struct ieee80211vap *vap)
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ath_rate_dynamic_proc_register(struct ieee80211vap *vap)
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{
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{
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/* Create proc entries for the rate control algorithm */
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/* Create proc entries for the rate control algorithm */
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ieee80211_proc_vcreate(vap, &proc_ratesample_ops, "ratestats_250");
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ieee80211_proc_vcreate(vap, &proc_ratesample_ops_250, "ratestats_250");
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ieee80211_proc_vcreate(vap, &proc_ratesample_ops, "ratestats_1600");
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ieee80211_proc_vcreate(vap, &proc_ratesample_ops_1600, "ratestats_1600");
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ieee80211_proc_vcreate(vap, &proc_ratesample_ops, "ratestats_3000");
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ieee80211_proc_vcreate(vap, &proc_ratesample_ops_3000, "ratestats_3000");
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}
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}
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static struct ieee80211_rate_ops ath_rate_ops = {
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static struct ieee80211_rate_ops ath_rate_ops = {
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