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Diffstat (limited to 'net/dsa/dsa_priv.h')
-rw-r--r--net/dsa/dsa_priv.h97
1 files changed, 81 insertions, 16 deletions
diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
index 7063378a1ebf..41055f33d28a 100644
--- a/net/dsa/dsa_priv.h
+++ b/net/dsa/dsa_priv.h
@@ -1,6 +1,6 @@
/*
* net/dsa/dsa_priv.h - Hardware switch handling
- * Copyright (c) 2008 Marvell Semiconductor
+ * Copyright (c) 2008-2009 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
@@ -19,42 +19,107 @@
struct dsa_switch {
/*
- * Configuration data for the platform device that owns
- * this dsa switch instance.
+ * Parent switch tree, and switch index.
*/
- struct dsa_platform_data *pd;
+ struct dsa_switch_tree *dst;
+ int index;
/*
- * References to network device and mii bus to use.
+ * Configuration data for this switch.
*/
- struct net_device *master_netdev;
- struct mii_bus *master_mii_bus;
+ struct dsa_chip_data *pd;
/*
- * The used switch driver and frame tagging type.
+ * The used switch driver.
*/
struct dsa_switch_driver *drv;
- __be16 tag_protocol;
+
+ /*
+ * Reference to mii bus to use.
+ */
+ struct mii_bus *master_mii_bus;
/*
* 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];
+ u32 dsa_port_mask;
+ u32 phys_port_mask;
+ struct mii_bus *slave_mii_bus;
+ struct net_device *ports[DSA_MAX_PORTS];
+};
+
+struct dsa_switch_tree {
+ /*
+ * Configuration data for the platform device that owns
+ * this dsa switch tree instance.
+ */
+ struct dsa_platform_data *pd;
+
+ /*
+ * Reference to network device to use, and which tagging
+ * protocol to use.
+ */
+ struct net_device *master_netdev;
+ __be16 tag_protocol;
+
+ /*
+ * The switch and port to which the CPU is attached.
+ */
+ s8 cpu_switch;
+ s8 cpu_port;
/*
* Link state polling.
*/
- struct work_struct link_poll_work;
- struct timer_list link_poll_timer;
+ int link_poll_needed;
+ struct work_struct link_poll_work;
+ struct timer_list link_poll_timer;
+
+ /*
+ * Data for the individual switch chips.
+ */
+ struct dsa_switch *ds[DSA_MAX_SWITCHES];
};
+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_slave_priv {
+ /*
+ * The linux network interface corresponding to this
+ * switch port.
+ */
struct net_device *dev;
+
+ /*
+ * Which switch this port is a part of, and the port index
+ * for this port.
+ */
struct dsa_switch *parent;
- int port;
+ u8 port;
+
+ /*
+ * The phylib phy_device pointer for the PHY connected
+ * to this port.
+ */
struct phy_device *phy;
};