+static int rtl8366_mc_is_used(struct rtl8366_smi *smi, int mc_index, int *used)
+{
+ int err;
+ int i;
+
+ *used = 0;
+ for (i = 0; i < smi->num_ports; i++) {
+ int index = 0;
+
+ err = smi->ops->get_mc_index(smi, i, &index);
+ if (err)
+ return err;
+
+ if (mc_index == index) {
+ *used = 1;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int rtl8366_set_vlan(struct rtl8366_smi *smi, int vid, u32 member,
+ u32 untag, u32 fid)
+{
+ struct rtl8366_vlan_4k vlan4k;
+ int err;
+ int i;
+
+ /* Update the 4K table */
+ err = smi->ops->get_vlan_4k(smi, vid, &vlan4k);
+ if (err)
+ return err;
+
+ vlan4k.member = member;
+ vlan4k.untag = untag;
+ vlan4k.fid = fid;
+ err = smi->ops->set_vlan_4k(smi, &vlan4k);
+ if (err)
+ return err;
+
+ /* Try to find an existing MC entry for this VID */
+ for (i = 0; i < smi->num_vlan_mc; i++) {
+ struct rtl8366_vlan_mc vlanmc;
+
+ err = smi->ops->get_vlan_mc(smi, i, &vlanmc);
+ if (err)
+ return err;
+
+ if (vid == vlanmc.vid) {
+ /* update the MC entry */
+ vlanmc.member = member;
+ vlanmc.untag = untag;
+ vlanmc.fid = fid;
+
+ err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
+ break;
+ }
+ }
+
+ return err;
+}
+
+static int rtl8366_get_pvid(struct rtl8366_smi *smi, int port, int *val)
+{
+ struct rtl8366_vlan_mc vlanmc;
+ int err;
+ int index;
+
+ err = smi->ops->get_mc_index(smi, port, &index);
+ if (err)
+ return err;
+
+ err = smi->ops->get_vlan_mc(smi, index, &vlanmc);
+ if (err)
+ return err;
+
+ *val = vlanmc.vid;
+ return 0;
+}
+
+static int rtl8366_set_pvid(struct rtl8366_smi *smi, unsigned port,
+ unsigned vid)
+{
+ struct rtl8366_vlan_mc vlanmc;
+ struct rtl8366_vlan_4k vlan4k;
+ int err;
+ int i;
+
+ /* Try to find an existing MC entry for this VID */
+ for (i = 0; i < smi->num_vlan_mc; i++) {
+ err = smi->ops->get_vlan_mc(smi, i, &vlanmc);
+ if (err)
+ return err;
+
+ if (vid == vlanmc.vid) {
+ err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
+ if (err)
+ return err;
+
+ err = smi->ops->set_mc_index(smi, port, i);
+ return err;
+ }
+ }
+
+ /* We have no MC entry for this VID, try to find an empty one */
+ for (i = 0; i < smi->num_vlan_mc; i++) {
+ err = smi->ops->get_vlan_mc(smi, i, &vlanmc);
+ if (err)
+ return err;
+
+ if (vlanmc.vid == 0 && vlanmc.member == 0) {
+ /* Update the entry from the 4K table */
+ err = smi->ops->get_vlan_4k(smi, vid, &vlan4k);
+ if (err)
+ return err;
+
+ vlanmc.vid = vid;
+ vlanmc.member = vlan4k.member;
+ vlanmc.untag = vlan4k.untag;
+ vlanmc.fid = vlan4k.fid;
+ err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
+ if (err)
+ return err;
+
+ err = smi->ops->set_mc_index(smi, port, i);
+ return err;
+ }
+ }
+
+ /* MC table is full, try to find an unused entry and replace it */
+ for (i = 0; i < smi->num_vlan_mc; i++) {
+ int used;
+
+ err = rtl8366_mc_is_used(smi, i, &used);
+ if (err)
+ return err;
+
+ if (!used) {
+ /* Update the entry from the 4K table */
+ err = smi->ops->get_vlan_4k(smi, vid, &vlan4k);
+ if (err)
+ return err;
+
+ vlanmc.vid = vid;
+ vlanmc.member = vlan4k.member;
+ vlanmc.untag = vlan4k.untag;
+ vlanmc.fid = vlan4k.fid;
+ err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
+ if (err)
+ return err;
+
+ err = smi->ops->set_mc_index(smi, port, i);
+ return err;
+ }
+ }
+
+ dev_err(smi->parent,
+ "all VLAN member configurations are in use\n");
+
+ return -ENOSPC;
+}
+
+static int rtl8366_enable_vlan(struct rtl8366_smi *smi, int enable)
+{
+ int err;
+
+ err = smi->ops->enable_vlan(smi, enable);
+ if (err)
+ return err;
+
+ smi->vlan_enabled = enable;
+
+ if (!enable) {
+ smi->vlan4k_enabled = 0;
+ err = smi->ops->enable_vlan4k(smi, enable);
+ }
+
+ return err;
+}
+
+static int rtl8366_enable_vlan4k(struct rtl8366_smi *smi, int enable)
+{
+ int err;
+
+ if (enable) {
+ err = smi->ops->enable_vlan(smi, enable);
+ if (err)
+ return err;
+
+ smi->vlan_enabled = enable;
+ }
+
+ err = smi->ops->enable_vlan4k(smi, enable);
+ if (err)
+ return err;
+
+ smi->vlan4k_enabled = enable;
+ return 0;
+}
+
+int rtl8366_reset_vlan(struct rtl8366_smi *smi)
+{
+ struct rtl8366_vlan_mc vlanmc;
+ int err;
+ int i;
+
+ rtl8366_enable_vlan(smi, 0);
+ rtl8366_enable_vlan4k(smi, 0);
+
+ /* clear VLAN member configurations */
+ vlanmc.vid = 0;
+ vlanmc.priority = 0;
+ vlanmc.member = 0;
+ vlanmc.untag = 0;
+ vlanmc.fid = 0;
+ for (i = 0; i < smi->num_vlan_mc; i++) {
+ err = smi->ops->set_vlan_mc(smi, i, &vlanmc);
+ if (err)
+ return err;
+ }
+
+ for (i = 0; i < smi->num_ports; i++) {
+ if (i == smi->cpu_port)
+ continue;
+
+ err = rtl8366_set_vlan(smi, (i + 1),
+ (1 << i) | (1 << smi->cpu_port),
+ (1 << i) | (1 << smi->cpu_port),
+ 0);
+ if (err)
+ return err;
+
+ err = rtl8366_set_pvid(smi, i, (i + 1));
+ if (err)
+ return err;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rtl8366_reset_vlan);
+
+#ifdef CONFIG_RTL8366S_PHY_DEBUG_FS
+int rtl8366_debugfs_open(struct inode *inode, struct file *file)
+{
+ file->private_data = inode->i_private;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(rtl8366_debugfs_open);
+
+static ssize_t rtl8366_read_debugfs_vlan_mc(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
+ int i, len = 0;
+ char *buf = smi->buf;
+
+ len += snprintf(buf + len, sizeof(smi->buf) - len,
+ "%2s %6s %4s %6s %6s %3s\n",
+ "id", "vid","prio", "member", "untag", "fid");
+
+ for (i = 0; i < smi->num_vlan_mc; ++i) {
+ struct rtl8366_vlan_mc vlanmc;
+
+ smi->ops->get_vlan_mc(smi, i, &vlanmc);
+
+ len += snprintf(buf + len, sizeof(smi->buf) - len,
+ "%2d %6d %4d 0x%04x 0x%04x %3d\n",
+ i, vlanmc.vid, vlanmc.priority,
+ vlanmc.member, vlanmc.untag, vlanmc.fid);
+ }
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t rtl8366_read_debugfs_pvid(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
+ char *buf = smi->buf;
+ int len = 0;
+ int i;
+
+ len += snprintf(buf + len, sizeof(smi->buf) - len, "%4s %4s\n",
+ "port", "pvid");
+
+ for (i = 0; i < smi->num_ports; i++) {
+ int pvid;
+ int err;
+
+ err = rtl8366_get_pvid(smi, i, &pvid);
+ if (err)
+ len += snprintf(buf + len, sizeof(smi->buf) - len,
+ "%4d error\n", i);
+ else
+ len += snprintf(buf + len, sizeof(smi->buf) - len,
+ "%4d %4d\n", i, pvid);
+ }
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t rtl8366_read_debugfs_reg(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
+ u32 t, reg = smi->dbg_reg;
+ int err, len = 0;
+ char *buf = smi->buf;
+
+ memset(buf, '\0', sizeof(smi->buf));
+
+ err = rtl8366_smi_read_reg(smi, reg, &t);
+ if (err) {
+ len += snprintf(buf, sizeof(smi->buf),
+ "Read failed (reg: 0x%04x)\n", reg);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ }
+
+ len += snprintf(buf, sizeof(smi->buf), "reg = 0x%04x, val = 0x%04x\n",
+ reg, t);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t rtl8366_write_debugfs_reg(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct rtl8366_smi *smi = (struct rtl8366_smi *)file->private_data;
+ unsigned long data;
+ u32 reg = smi->dbg_reg;
+ int err;
+ size_t len;
+ char *buf = smi->buf;
+
+ len = min(count, sizeof(smi->buf) - 1);
+ if (copy_from_user(buf, user_buf, len)) {
+ dev_err(smi->parent, "copy from user failed\n");
+ return -EFAULT;
+ }
+
+ buf[len] = '\0';
+ if (len > 0 && buf[len - 1] == '\n')
+ buf[len - 1] = '\0';
+
+
+ if (strict_strtoul(buf, 16, &data)) {
+ dev_err(smi->parent, "Invalid reg value %s\n", buf);
+ } else {
+ err = rtl8366_smi_write_reg(smi, reg, data);
+ if (err) {
+ dev_err(smi->parent,
+ "writing reg 0x%04x val 0x%04lx failed\n",
+ reg, data);
+ }
+ }
+
+ 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,
+ .open = rtl8366_debugfs_open,
+ .owner = THIS_MODULE
+};
+
+static const struct file_operations fops_rtl8366_vlan_mc = {
+ .read = rtl8366_read_debugfs_vlan_mc,
+ .open = rtl8366_debugfs_open,
+ .owner = THIS_MODULE
+};
+
+static const struct file_operations fops_rtl8366_pvid = {
+ .read = rtl8366_read_debugfs_pvid,
+ .open = rtl8366_debugfs_open,
+ .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;
+ struct dentry *root;
+
+ if (!smi->debugfs_root)
+ smi->debugfs_root = debugfs_create_dir(dev_name(smi->parent),
+ NULL);
+
+ if (!smi->debugfs_root) {
+ dev_err(smi->parent, "Unable to create debugfs dir\n");
+ return;
+ }
+ root = smi->debugfs_root;
+
+ node = debugfs_create_x16("reg", S_IRUGO | S_IWUSR, root,
+ &smi->dbg_reg);
+ if (!node) {
+ dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+ "reg");
+ return;
+ }
+
+ node = debugfs_create_file("val", S_IRUGO | S_IWUSR, root, smi,
+ &fops_rtl8366_regs);
+ if (!node) {
+ dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+ "val");
+ return;
+ }
+
+ node = debugfs_create_file("vlan_mc", S_IRUSR, root, smi,
+ &fops_rtl8366_vlan_mc);
+ if (!node) {
+ dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+ "vlan_mc");
+ return;
+ }
+
+ node = debugfs_create_file("pvid", S_IRUSR, root, smi,
+ &fops_rtl8366_pvid);
+ if (!node) {
+ dev_err(smi->parent, "Creating debugfs file '%s' failed\n",
+ "pvid");
+ 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)
+{
+ if (smi->debugfs_root) {
+ debugfs_remove_recursive(smi->debugfs_root);
+ smi->debugfs_root = NULL;
+ }
+}
+#else
+static inline void rtl8366_debugfs_init(struct rtl8366_smi *smi) {}
+static inline void rtl8366_debugfs_remove(struct rtl8366_smi *smi) {}
+#endif /* CONFIG_RTL8366S_PHY_DEBUG_FS */
+
projects / openwrt.git / blobdiff