can: switch to seq_file
create_proc_read_entry() is going to be removed soon. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan
David S. Miller
parent
4923576b8a
commit
ea00b8e222
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@ -46,6 +46,7 @@
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#include <linux/hrtimer.h>
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#include <linux/list.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/uio.h>
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#include <linux/net.h>
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#include <linux/netdevice.h>
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@ -146,23 +147,18 @@ static char *bcm_proc_getifname(int ifindex)
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return "???";
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}
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static int bcm_read_proc(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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static int bcm_proc_show(struct seq_file *m, void *v)
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{
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int len = 0;
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struct sock *sk = (struct sock *)data;
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struct sock *sk = (struct sock *)m->private;
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struct bcm_sock *bo = bcm_sk(sk);
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struct bcm_op *op;
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len += snprintf(page + len, PAGE_SIZE - len, ">>> socket %p",
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sk->sk_socket);
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len += snprintf(page + len, PAGE_SIZE - len, " / sk %p", sk);
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len += snprintf(page + len, PAGE_SIZE - len, " / bo %p", bo);
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len += snprintf(page + len, PAGE_SIZE - len, " / dropped %lu",
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bo->dropped_usr_msgs);
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len += snprintf(page + len, PAGE_SIZE - len, " / bound %s",
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bcm_proc_getifname(bo->ifindex));
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len += snprintf(page + len, PAGE_SIZE - len, " <<<\n");
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seq_printf(m, ">>> socket %p", sk->sk_socket);
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seq_printf(m, " / sk %p", sk);
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seq_printf(m, " / bo %p", bo);
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seq_printf(m, " / dropped %lu", bo->dropped_usr_msgs);
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seq_printf(m, " / bound %s", bcm_proc_getifname(bo->ifindex));
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seq_printf(m, " <<<\n");
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list_for_each_entry(op, &bo->rx_ops, list) {
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@ -172,71 +168,62 @@ static int bcm_read_proc(char *page, char **start, off_t off,
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if (!op->frames_abs)
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continue;
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len += snprintf(page + len, PAGE_SIZE - len,
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"rx_op: %03X %-5s ",
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seq_printf(m, "rx_op: %03X %-5s ",
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op->can_id, bcm_proc_getifname(op->ifindex));
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len += snprintf(page + len, PAGE_SIZE - len, "[%d]%c ",
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op->nframes,
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seq_printf(m, "[%d]%c ", op->nframes,
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(op->flags & RX_CHECK_DLC)?'d':' ');
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if (op->kt_ival1.tv64)
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len += snprintf(page + len, PAGE_SIZE - len,
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"timeo=%lld ",
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seq_printf(m, "timeo=%lld ",
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(long long)
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ktime_to_us(op->kt_ival1));
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if (op->kt_ival2.tv64)
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len += snprintf(page + len, PAGE_SIZE - len,
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"thr=%lld ",
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seq_printf(m, "thr=%lld ",
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(long long)
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ktime_to_us(op->kt_ival2));
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len += snprintf(page + len, PAGE_SIZE - len,
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"# recv %ld (%ld) => reduction: ",
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seq_printf(m, "# recv %ld (%ld) => reduction: ",
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op->frames_filtered, op->frames_abs);
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reduction = 100 - (op->frames_filtered * 100) / op->frames_abs;
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len += snprintf(page + len, PAGE_SIZE - len, "%s%ld%%\n",
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seq_printf(m, "%s%ld%%\n",
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(reduction == 100)?"near ":"", reduction);
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if (len > PAGE_SIZE - 200) {
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/* mark output cut off */
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len += snprintf(page + len, PAGE_SIZE - len, "(..)\n");
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break;
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}
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}
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list_for_each_entry(op, &bo->tx_ops, list) {
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len += snprintf(page + len, PAGE_SIZE - len,
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"tx_op: %03X %s [%d] ",
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seq_printf(m, "tx_op: %03X %s [%d] ",
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op->can_id, bcm_proc_getifname(op->ifindex),
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op->nframes);
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if (op->kt_ival1.tv64)
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len += snprintf(page + len, PAGE_SIZE - len, "t1=%lld ",
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seq_printf(m, "t1=%lld ",
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(long long) ktime_to_us(op->kt_ival1));
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if (op->kt_ival2.tv64)
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len += snprintf(page + len, PAGE_SIZE - len, "t2=%lld ",
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seq_printf(m, "t2=%lld ",
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(long long) ktime_to_us(op->kt_ival2));
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len += snprintf(page + len, PAGE_SIZE - len, "# sent %ld\n",
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op->frames_abs);
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if (len > PAGE_SIZE - 100) {
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/* mark output cut off */
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len += snprintf(page + len, PAGE_SIZE - len, "(..)\n");
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break;
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}
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seq_printf(m, "# sent %ld\n", op->frames_abs);
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}
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len += snprintf(page + len, PAGE_SIZE - len, "\n");
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*eof = 1;
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return len;
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seq_putc(m, '\n');
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return 0;
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}
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static int bcm_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, bcm_proc_show, PDE(inode)->data);
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}
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static const struct file_operations bcm_proc_fops = {
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.owner = THIS_MODULE,
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.open = bcm_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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/*
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* bcm_can_tx - send the (next) CAN frame to the appropriate CAN interface
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* of the given bcm tx op
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@ -1515,9 +1502,9 @@ static int bcm_connect(struct socket *sock, struct sockaddr *uaddr, int len,
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if (proc_dir) {
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/* unique socket address as filename */
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sprintf(bo->procname, "%p", sock);
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bo->bcm_proc_read = create_proc_read_entry(bo->procname, 0644,
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proc_dir,
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bcm_read_proc, sk);
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bo->bcm_proc_read = proc_create_data(bo->procname, 0644,
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proc_dir,
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&bcm_proc_fops, sk);
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}
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return 0;
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289
net/can/proc.c
289
net/can/proc.c
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@ -196,8 +196,8 @@ void can_stat_update(unsigned long data)
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*
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*/
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static int can_print_rcvlist(char *page, int len, struct hlist_head *rx_list,
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struct net_device *dev)
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static void can_print_rcvlist(struct seq_file *m, struct hlist_head *rx_list,
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struct net_device *dev)
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{
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struct receiver *r;
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struct hlist_node *n;
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@ -208,199 +208,188 @@ static int can_print_rcvlist(char *page, int len, struct hlist_head *rx_list,
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" %-5s %08X %08x %08x %08x %8ld %s\n" :
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" %-5s %03X %08x %08lx %08lx %8ld %s\n";
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len += snprintf(page + len, PAGE_SIZE - len, fmt,
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DNAME(dev), r->can_id, r->mask,
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seq_printf(m, fmt, DNAME(dev), r->can_id, r->mask,
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(unsigned long)r->func, (unsigned long)r->data,
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r->matches, r->ident);
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/* does a typical line fit into the current buffer? */
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/* 100 Bytes before end of buffer */
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if (len > PAGE_SIZE - 100) {
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/* mark output cut off */
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len += snprintf(page + len, PAGE_SIZE - len,
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" (..)\n");
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break;
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}
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}
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rcu_read_unlock();
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return len;
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}
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static int can_print_recv_banner(char *page, int len)
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static void can_print_recv_banner(struct seq_file *m)
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{
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/*
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* can1. 00000000 00000000 00000000
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* ....... 0 tp20
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*/
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len += snprintf(page + len, PAGE_SIZE - len,
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" device can_id can_mask function"
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seq_puts(m, " device can_id can_mask function"
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" userdata matches ident\n");
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return len;
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}
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static int can_proc_read_stats(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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static int can_stats_proc_show(struct seq_file *m, void *v)
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{
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int len = 0;
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seq_putc(m, '\n');
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seq_printf(m, " %8ld transmitted frames (TXF)\n", can_stats.tx_frames);
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seq_printf(m, " %8ld received frames (RXF)\n", can_stats.rx_frames);
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seq_printf(m, " %8ld matched frames (RXMF)\n", can_stats.matches);
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len += snprintf(page + len, PAGE_SIZE - len, "\n");
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld transmitted frames (TXF)\n",
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can_stats.tx_frames);
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld received frames (RXF)\n", can_stats.rx_frames);
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld matched frames (RXMF)\n", can_stats.matches);
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len += snprintf(page + len, PAGE_SIZE - len, "\n");
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seq_putc(m, '\n');
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if (can_stattimer.function == can_stat_update) {
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld %% total match ratio (RXMR)\n",
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seq_printf(m, " %8ld %% total match ratio (RXMR)\n",
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can_stats.total_rx_match_ratio);
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld frames/s total tx rate (TXR)\n",
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seq_printf(m, " %8ld frames/s total tx rate (TXR)\n",
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can_stats.total_tx_rate);
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld frames/s total rx rate (RXR)\n",
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seq_printf(m, " %8ld frames/s total rx rate (RXR)\n",
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can_stats.total_rx_rate);
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len += snprintf(page + len, PAGE_SIZE - len, "\n");
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seq_putc(m, '\n');
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld %% current match ratio (CRXMR)\n",
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seq_printf(m, " %8ld %% current match ratio (CRXMR)\n",
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can_stats.current_rx_match_ratio);
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld frames/s current tx rate (CTXR)\n",
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seq_printf(m, " %8ld frames/s current tx rate (CTXR)\n",
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can_stats.current_tx_rate);
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld frames/s current rx rate (CRXR)\n",
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seq_printf(m, " %8ld frames/s current rx rate (CRXR)\n",
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can_stats.current_rx_rate);
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len += snprintf(page + len, PAGE_SIZE - len, "\n");
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seq_putc(m, '\n');
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld %% max match ratio (MRXMR)\n",
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seq_printf(m, " %8ld %% max match ratio (MRXMR)\n",
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can_stats.max_rx_match_ratio);
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld frames/s max tx rate (MTXR)\n",
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seq_printf(m, " %8ld frames/s max tx rate (MTXR)\n",
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can_stats.max_tx_rate);
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld frames/s max rx rate (MRXR)\n",
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seq_printf(m, " %8ld frames/s max rx rate (MRXR)\n",
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can_stats.max_rx_rate);
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len += snprintf(page + len, PAGE_SIZE - len, "\n");
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seq_putc(m, '\n');
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}
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld current receive list entries (CRCV)\n",
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seq_printf(m, " %8ld current receive list entries (CRCV)\n",
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can_pstats.rcv_entries);
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld maximum receive list entries (MRCV)\n",
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seq_printf(m, " %8ld maximum receive list entries (MRCV)\n",
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can_pstats.rcv_entries_max);
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if (can_pstats.stats_reset)
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len += snprintf(page + len, PAGE_SIZE - len,
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"\n %8ld statistic resets (STR)\n",
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seq_printf(m, "\n %8ld statistic resets (STR)\n",
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can_pstats.stats_reset);
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if (can_pstats.user_reset)
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len += snprintf(page + len, PAGE_SIZE - len,
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" %8ld user statistic resets (USTR)\n",
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seq_printf(m, " %8ld user statistic resets (USTR)\n",
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can_pstats.user_reset);
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len += snprintf(page + len, PAGE_SIZE - len, "\n");
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*eof = 1;
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return len;
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seq_putc(m, '\n');
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return 0;
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}
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static int can_proc_read_reset_stats(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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static int can_stats_proc_open(struct inode *inode, struct file *file)
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{
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int len = 0;
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return single_open(file, can_stats_proc_show, NULL);
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}
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static const struct file_operations can_stats_proc_fops = {
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.owner = THIS_MODULE,
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.open = can_stats_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int can_reset_stats_proc_show(struct seq_file *m, void *v)
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{
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user_reset = 1;
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if (can_stattimer.function == can_stat_update) {
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len += snprintf(page + len, PAGE_SIZE - len,
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"Scheduled statistic reset #%ld.\n",
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seq_printf(m, "Scheduled statistic reset #%ld.\n",
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can_pstats.stats_reset + 1);
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} else {
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if (can_stats.jiffies_init != jiffies)
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can_init_stats();
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len += snprintf(page + len, PAGE_SIZE - len,
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"Performed statistic reset #%ld.\n",
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seq_printf(m, "Performed statistic reset #%ld.\n",
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can_pstats.stats_reset);
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}
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*eof = 1;
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return len;
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return 0;
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}
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static int can_proc_read_version(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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static int can_reset_stats_proc_open(struct inode *inode, struct file *file)
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{
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int len = 0;
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len += snprintf(page + len, PAGE_SIZE - len, "%s\n",
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CAN_VERSION_STRING);
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*eof = 1;
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return len;
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return single_open(file, can_reset_stats_proc_show, NULL);
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}
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static int can_proc_read_rcvlist(char *page, char **start, off_t off,
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int count, int *eof, void *data)
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static const struct file_operations can_reset_stats_proc_fops = {
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.owner = THIS_MODULE,
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.open = can_reset_stats_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int can_version_proc_show(struct seq_file *m, void *v)
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{
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seq_printf(m, "%s\n", CAN_VERSION_STRING);
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return 0;
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}
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static int can_version_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, can_version_proc_show, NULL);
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}
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static const struct file_operations can_version_proc_fops = {
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.owner = THIS_MODULE,
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.open = can_version_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int can_rcvlist_proc_show(struct seq_file *m, void *v)
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{
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/* double cast to prevent GCC warning */
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int idx = (int)(long)data;
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int len = 0;
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int idx = (int)(long)m->private;
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struct dev_rcv_lists *d;
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struct hlist_node *n;
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len += snprintf(page + len, PAGE_SIZE - len,
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"\nreceive list '%s':\n", rx_list_name[idx]);
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seq_printf(m, "\nreceive list '%s':\n", rx_list_name[idx]);
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rcu_read_lock();
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hlist_for_each_entry_rcu(d, n, &can_rx_dev_list, list) {
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if (!hlist_empty(&d->rx[idx])) {
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len = can_print_recv_banner(page, len);
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len = can_print_rcvlist(page, len, &d->rx[idx], d->dev);
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can_print_recv_banner(m);
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can_print_rcvlist(m, &d->rx[idx], d->dev);
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} else
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len += snprintf(page + len, PAGE_SIZE - len,
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" (%s: no entry)\n", DNAME(d->dev));
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/* exit on end of buffer? */
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if (len > PAGE_SIZE - 100)
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break;
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seq_printf(m, " (%s: no entry)\n", DNAME(d->dev));
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}
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rcu_read_unlock();
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|
||||
len += snprintf(page + len, PAGE_SIZE - len, "\n");
|
||||
|
||||
*eof = 1;
|
||||
return len;
|
||||
seq_putc(m, '\n');
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int can_proc_read_rcvlist_sff(char *page, char **start, off_t off,
|
||||
int count, int *eof, void *data)
|
||||
static int can_rcvlist_proc_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return single_open(file, can_rcvlist_proc_show, PDE(inode)->data);
|
||||
}
|
||||
|
||||
static const struct file_operations can_rcvlist_proc_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = can_rcvlist_proc_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
};
|
||||
|
||||
static int can_rcvlist_sff_proc_show(struct seq_file *m, void *v)
|
||||
{
|
||||
int len = 0;
|
||||
struct dev_rcv_lists *d;
|
||||
struct hlist_node *n;
|
||||
|
||||
/* RX_SFF */
|
||||
len += snprintf(page + len, PAGE_SIZE - len,
|
||||
"\nreceive list 'rx_sff':\n");
|
||||
seq_puts(m, "\nreceive list 'rx_sff':\n");
|
||||
|
||||
rcu_read_lock();
|
||||
hlist_for_each_entry_rcu(d, n, &can_rx_dev_list, list) {
|
||||
|
|
@ -413,46 +402,38 @@ static int can_proc_read_rcvlist_sff(char *page, char **start, off_t off,
|
|||
}
|
||||
|
||||
if (!all_empty) {
|
||||
len = can_print_recv_banner(page, len);
|
||||
can_print_recv_banner(m);
|
||||
for (i = 0; i < 0x800; i++) {
|
||||
if (!hlist_empty(&d->rx_sff[i]) &&
|
||||
len < PAGE_SIZE - 100)
|
||||
len = can_print_rcvlist(page, len,
|
||||
&d->rx_sff[i],
|
||||
d->dev);
|
||||
if (!hlist_empty(&d->rx_sff[i]))
|
||||
can_print_rcvlist(m, &d->rx_sff[i],
|
||||
d->dev);
|
||||
}
|
||||
} else
|
||||
len += snprintf(page + len, PAGE_SIZE - len,
|
||||
" (%s: no entry)\n", DNAME(d->dev));
|
||||
|
||||
/* exit on end of buffer? */
|
||||
if (len > PAGE_SIZE - 100)
|
||||
break;
|
||||
seq_printf(m, " (%s: no entry)\n", DNAME(d->dev));
|
||||
}
|
||||
rcu_read_unlock();
|
||||
|
||||
len += snprintf(page + len, PAGE_SIZE - len, "\n");
|
||||
|
||||
*eof = 1;
|
||||
return len;
|
||||
seq_putc(m, '\n');
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int can_rcvlist_sff_proc_open(struct inode *inode, struct file *file)
|
||||
{
|
||||
return single_open(file, can_rcvlist_sff_proc_show, NULL);
|
||||
}
|
||||
|
||||
static const struct file_operations can_rcvlist_sff_proc_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = can_rcvlist_sff_proc_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
};
|
||||
|
||||
/*
|
||||
* proc utility functions
|
||||
*/
|
||||
|
||||
static struct proc_dir_entry *can_create_proc_readentry(const char *name,
|
||||
mode_t mode,
|
||||
read_proc_t *read_proc,
|
||||
void *data)
|
||||
{
|
||||
if (can_dir)
|
||||
return create_proc_read_entry(name, mode, can_dir, read_proc,
|
||||
data);
|
||||
else
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void can_remove_proc_readentry(const char *name)
|
||||
{
|
||||
if (can_dir)
|
||||
|
|
@ -474,24 +455,24 @@ void can_init_proc(void)
|
|||
}
|
||||
|
||||
/* own procfs entries from the AF_CAN core */
|
||||
pde_version = can_create_proc_readentry(CAN_PROC_VERSION, 0644,
|
||||
can_proc_read_version, NULL);
|
||||
pde_stats = can_create_proc_readentry(CAN_PROC_STATS, 0644,
|
||||
can_proc_read_stats, NULL);
|
||||
pde_reset_stats = can_create_proc_readentry(CAN_PROC_RESET_STATS, 0644,
|
||||
can_proc_read_reset_stats, NULL);
|
||||
pde_rcvlist_err = can_create_proc_readentry(CAN_PROC_RCVLIST_ERR, 0644,
|
||||
can_proc_read_rcvlist, (void *)RX_ERR);
|
||||
pde_rcvlist_all = can_create_proc_readentry(CAN_PROC_RCVLIST_ALL, 0644,
|
||||
can_proc_read_rcvlist, (void *)RX_ALL);
|
||||
pde_rcvlist_fil = can_create_proc_readentry(CAN_PROC_RCVLIST_FIL, 0644,
|
||||
can_proc_read_rcvlist, (void *)RX_FIL);
|
||||
pde_rcvlist_inv = can_create_proc_readentry(CAN_PROC_RCVLIST_INV, 0644,
|
||||
can_proc_read_rcvlist, (void *)RX_INV);
|
||||
pde_rcvlist_eff = can_create_proc_readentry(CAN_PROC_RCVLIST_EFF, 0644,
|
||||
can_proc_read_rcvlist, (void *)RX_EFF);
|
||||
pde_rcvlist_sff = can_create_proc_readentry(CAN_PROC_RCVLIST_SFF, 0644,
|
||||
can_proc_read_rcvlist_sff, NULL);
|
||||
pde_version = proc_create(CAN_PROC_VERSION, 0644, can_dir,
|
||||
&can_version_proc_fops);
|
||||
pde_stats = proc_create(CAN_PROC_STATS, 0644, can_dir,
|
||||
&can_stats_proc_fops);
|
||||
pde_reset_stats = proc_create(CAN_PROC_RESET_STATS, 0644, can_dir,
|
||||
&can_reset_stats_proc_fops);
|
||||
pde_rcvlist_err = proc_create_data(CAN_PROC_RCVLIST_ERR, 0644, can_dir,
|
||||
&can_rcvlist_proc_fops, (void *)RX_ERR);
|
||||
pde_rcvlist_all = proc_create_data(CAN_PROC_RCVLIST_ALL, 0644, can_dir,
|
||||
&can_rcvlist_proc_fops, (void *)RX_ALL);
|
||||
pde_rcvlist_fil = proc_create_data(CAN_PROC_RCVLIST_FIL, 0644, can_dir,
|
||||
&can_rcvlist_proc_fops, (void *)RX_FIL);
|
||||
pde_rcvlist_inv = proc_create_data(CAN_PROC_RCVLIST_INV, 0644, can_dir,
|
||||
&can_rcvlist_proc_fops, (void *)RX_INV);
|
||||
pde_rcvlist_eff = proc_create_data(CAN_PROC_RCVLIST_EFF, 0644, can_dir,
|
||||
&can_rcvlist_proc_fops, (void *)RX_EFF);
|
||||
pde_rcvlist_sff = proc_create(CAN_PROC_RCVLIST_SFF, 0644, can_dir,
|
||||
&can_rcvlist_sff_proc_fops);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
|
|||
Loading…
Reference in New Issue