generic: rtl8366: add common read_debugfs_mibs function

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21984 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 56 insertions, 1 deletions

diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
index feb7d2ca9..d0b368056 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
@@ -582,6 +582,47 @@ static ssize_t rtl8366_write_debugfs_reg(struct file *file,
 	return count;
 }
 
+static ssize_t rtl8366_read_debugfs_mibs(struct file *file,
+					 char __user *user_buf,
+					 size_t count, loff_t *ppos)
+{
+	struct rtl8366_smi *smi = file->private_data;
+	int i, j, len = 0;
+	char *buf = smi->buf;
+
+	len += snprintf(buf + len, sizeof(smi->buf) - len, "%-36s",
+			"Counter");
+
+	for (i = 0; i < smi->num_ports; i++) {
+		char port_buf[10];
+
+		snprintf(port_buf, sizeof(port_buf), "Port %d", i);
+		len += snprintf(buf + len, sizeof(smi->buf) - len, " %12s",
+				port_buf);
+	}
+	len += snprintf(buf + len, sizeof(smi->buf) - len, "\n");
+
+	for (i = 0; i < smi->num_mib_counters; i++) {
+		len += snprintf(buf + len, sizeof(smi->buf) - len, "%-36s ",
+				smi->mib_counters[i].name);
+		for (j = 0; j < smi->num_ports; j++) {
+			unsigned long long counter = 0;
+
+			if (!smi->ops->get_mib_counter(smi, i, j, &counter))
+				len += snprintf(buf + len,
+						sizeof(smi->buf) - len,
+						"%12llu ", counter);
+			else
+				len += snprintf(buf + len,
+						sizeof(smi->buf) - len,
+						"%12s ", "error");
+		}
+		len += snprintf(buf + len, sizeof(smi->buf) - len, "\n");
+	}
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
 static const struct file_operations fops_rtl8366_regs = {
 	.read	= rtl8366_read_debugfs_reg,
 	.write	= rtl8366_write_debugfs_reg,
@@ -595,6 +636,12 @@ static const struct file_operations fops_rtl8366_vlan_mc = {
 	.owner	= THIS_MODULE
 };
 
+static const struct file_operations fops_rtl8366_mibs = {
+	.read = rtl8366_read_debugfs_mibs,
+	.open = rtl8366_debugfs_open,
+	.owner = THIS_MODULE
+};
+
 static void rtl8366_debugfs_init(struct rtl8366_smi *smi)
 {
 	struct dentry *node;
@@ -628,9 +675,17 @@ static void rtl8366_debugfs_init(struct rtl8366_smi *smi)
 
 	node = debugfs_create_file("vlan_mc", S_IRUSR, root, smi,
 				   &fops_rtl8366_vlan_mc);
-	if (!node)
+	if (!node) {
 		dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
 			"vlan_mc");
+		return;
+	}
+
+	node = debugfs_create_file("mibs", S_IRUSR, smi->debugfs_root, smi,
+				   &fops_rtl8366_mibs);
+	if (!node)
+		dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+			"mibs");
 }
 
 static void rtl8366_debugfs_remove(struct rtl8366_smi *smi)