dsa: Move all definitions needed by drivers into <net/dsa.h>
Any headers included by drivers should be under include/, and
any definitions they use are not really private to the core as
the name "dsa_priv.h" suggests.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 32a1b49..b78db3c 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -11,6 +11,7 @@
#ifndef __LINUX_NET_DSA_H
#define __LINUX_NET_DSA_H
+#include <linux/list.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
@@ -90,6 +91,95 @@
struct dsa_switch *ds[DSA_MAX_SWITCHES];
};
+struct dsa_switch {
+ /*
+ * Parent switch tree, and switch index.
+ */
+ struct dsa_switch_tree *dst;
+ int index;
+
+ /*
+ * Configuration data for this switch.
+ */
+ struct dsa_chip_data *pd;
+
+ /*
+ * The used switch driver.
+ */
+ struct dsa_switch_driver *drv;
+
+ /*
+ * Reference to mii bus to use.
+ */
+ struct mii_bus *master_mii_bus;
+
+ /*
+ * Slave mii_bus and devices for the individual ports.
+ */
+ u32 dsa_port_mask;
+ u32 phys_port_mask;
+ struct mii_bus *slave_mii_bus;
+ struct net_device *ports[DSA_MAX_PORTS];
+};
+
+static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p)
+{
+ return !!(ds->index == ds->dst->cpu_switch && p == ds->dst->cpu_port);
+}
+
+static inline u8 dsa_upstream_port(struct dsa_switch *ds)
+{
+ struct dsa_switch_tree *dst = ds->dst;
+
+ /*
+ * If this is the root switch (i.e. the switch that connects
+ * to the CPU), return the cpu port number on this switch.
+ * Else return the (DSA) port number that connects to the
+ * switch that is one hop closer to the cpu.
+ */
+ if (dst->cpu_switch == ds->index)
+ return dst->cpu_port;
+ else
+ return ds->pd->rtable[dst->cpu_switch];
+}
+
+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);
+};
+
+void register_switch_driver(struct dsa_switch_driver *type);
+void unregister_switch_driver(struct dsa_switch_driver *type);
+
/*
* The original DSA tag format and some other tag formats have no
* ethertype, which means that we need to add a little hack to the