diff options
author | Ben Hutchings <ben@decadent.org.uk> | 2011-11-27 17:06:08 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2011-11-29 05:21:36 (GMT) |
commit | c8f0b86996c88081095124d16b869e8d8a1c02c5 (patch) | |
tree | c8ae0274df112c03a9029625aec9e3eb4e2e7026 /include | |
parent | fa67a04497c03a1ead12cd896262de14980311e8 (diff) | |
download | linux-fsl-qoriq-c8f0b86996c88081095124d16b869e8d8a1c02c5.tar.xz |
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>
Diffstat (limited to 'include')
-rw-r--r-- | include/net/dsa.h | 90 |
1 files changed, 90 insertions, 0 deletions
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_tree { 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 |