aboutsummaryrefslogtreecommitdiff
path: root/net/dsa/dsa_priv.h
diff options
context:
space:
mode:
Diffstat (limited to 'net/dsa/dsa_priv.h')
-rw-r--r--net/dsa/dsa_priv.h110
1 files changed, 110 insertions, 0 deletions
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
new file mode 100644
index 00000000000..21ee9052079
--- /dev/null
+++ b/net/dsa/dsa_priv.h
@@ -0,0 +1,110 @@
+/*
+ * net/dsa/dsa_priv.h - Hardware switch handling
+ * Copyright (c) 2008 Marvell Semiconductor
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __DSA_PRIV_H
+#define __DSA_PRIV_H
+
+#include <linux/list.h>
+#include <linux/phy.h>
+#include <linux/timer.h>
+#include <linux/workqueue.h>
+#include <net/dsa.h>
+
+struct dsa_switch {
+ /*
+ * Configuration data for the platform device that owns
+ * this dsa switch instance.
+ */
+ struct dsa_platform_data *pd;
+
+ /*
+ * References to network device and mii bus to use.
+ */
+ struct net_device *master_netdev;
+ struct mii_bus *master_mii_bus;
+
+ /*
+ * The used switch driver and frame tagging type.
+ */
+ struct dsa_switch_driver *drv;
+ __be16 tag_protocol;
+
+ /*
+ * Slave mii_bus and devices for the individual ports.
+ */
+ int cpu_port;
+ u32 valid_port_mask;
+ struct mii_bus *slave_mii_bus;
+ struct net_device *ports[DSA_MAX_PORTS];
+
+ /*
+ * Link state polling.
+ */
+ struct work_struct link_poll_work;
+ struct timer_list link_poll_timer;
+};
+
+struct dsa_slave_priv {
+ struct net_device *dev;
+ struct dsa_switch *parent;
+ int port;
+ struct phy_device *phy;
+};
+
+struct dsa_switch_driver {
+ struct list_head list;
+
+ __be16 tag_protocol;
+ int priv_size;
+
+ /*
+ * Probing and setup.
+ */
+ char *(*probe)(struct mii_bus *bus, int sw_addr);
+ int (*setup)(struct dsa_switch *ds);
+ int (*set_addr)(struct dsa_switch *ds, u8 *addr);
+
+ /*
+ * Access to the switch's PHY registers.
+ */
+ int (*phy_read)(struct dsa_switch *ds, int port, int regnum);
+ int (*phy_write)(struct dsa_switch *ds, int port,
+ int regnum, u16 val);
+
+ /*
+ * Link state polling and IRQ handling.
+ */
+ void (*poll_link)(struct dsa_switch *ds);
+
+ /*
+ * ethtool hardware statistics.
+ */
+ void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data);
+ void (*get_ethtool_stats)(struct dsa_switch *ds,
+ int port, uint64_t *data);
+ int (*get_sset_count)(struct dsa_switch *ds);
+};
+
+/* dsa.c */
+extern char dsa_driver_version[];
+void register_switch_driver(struct dsa_switch_driver *type);
+void unregister_switch_driver(struct dsa_switch_driver *type);
+
+/* slave.c */
+void dsa_slave_mii_bus_init(struct dsa_switch *ds);
+struct net_device *dsa_slave_create(struct dsa_switch *ds,
+ struct device *parent,
+ int port, char *name);
+
+/* tag_edsa.c */
+int edsa_xmit(struct sk_buff *skb, struct net_device *dev);
+
+
+#endif