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net: dsa: stop exposing tag proto module helpers to the world
The DSA tagging protocol driver macros are in the public include/net/dsa.h probably because that's also where the DSA_TAG_PROTO_*_VALUE macros are (MODULE_ALIAS_DSA_TAG_DRIVER hinges on those macro definitions). But there is no reason to expose these helpers to <net/dsa.h>. That header is shared between switch drivers (drivers/net/dsa/), tagging protocol drivers (net/dsa/tag_*.c), the DSA core (net/dsa/ sans tag_*.c), and the rest of the world (DSA master drivers, network stack, etc). Too much exposure. On the other hand, net/dsa/dsa_priv.h is included only by the DSA core and by DSA tagging protocol drivers (or IOW, "friend" modules). Also a bit too much exposure - I've contemplated creating a new header which is only included by tagging protocol drivers, but completely separating a new dsa_tag_proto.h from dsa_priv.h is not immediately trivial - for example dsa_slave_to_port() is used both from the fast path and from the control path. So for now, move these definitions to dsa_priv.h which at least hides them from the world. Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Tested-by: Michael Walle <michael@walle.cc> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vladimir Oltean
Jakub Kicinski
parent
4a8c14384f
commit
9999f85ba3
2 changed files with 70 additions and 70 deletions
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@ -118,10 +118,6 @@ struct dsa_netdevice_ops {
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int cmd);
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};
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#define DSA_TAG_DRIVER_ALIAS "dsa_tag-"
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#define MODULE_ALIAS_DSA_TAG_DRIVER(__proto) \
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MODULE_ALIAS(DSA_TAG_DRIVER_ALIAS __stringify(__proto##_VALUE))
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struct dsa_lag {
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struct net_device *dev;
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unsigned int id;
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@ -1400,70 +1396,4 @@ static inline bool dsa_slave_dev_check(const struct net_device *dev)
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netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev);
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void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up);
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struct dsa_tag_driver {
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const struct dsa_device_ops *ops;
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struct list_head list;
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struct module *owner;
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};
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void dsa_tag_drivers_register(struct dsa_tag_driver *dsa_tag_driver_array[],
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unsigned int count,
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struct module *owner);
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void dsa_tag_drivers_unregister(struct dsa_tag_driver *dsa_tag_driver_array[],
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unsigned int count);
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#define dsa_tag_driver_module_drivers(__dsa_tag_drivers_array, __count) \
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static int __init dsa_tag_driver_module_init(void) \
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{ \
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dsa_tag_drivers_register(__dsa_tag_drivers_array, __count, \
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THIS_MODULE); \
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return 0; \
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} \
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module_init(dsa_tag_driver_module_init); \
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\
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static void __exit dsa_tag_driver_module_exit(void) \
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{ \
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dsa_tag_drivers_unregister(__dsa_tag_drivers_array, __count); \
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} \
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module_exit(dsa_tag_driver_module_exit)
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/**
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* module_dsa_tag_drivers() - Helper macro for registering DSA tag
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* drivers
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* @__ops_array: Array of tag driver structures
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*
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* Helper macro for DSA tag drivers which do not do anything special
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* in module init/exit. Each module may only use this macro once, and
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* calling it replaces module_init() and module_exit().
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*/
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#define module_dsa_tag_drivers(__ops_array) \
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dsa_tag_driver_module_drivers(__ops_array, ARRAY_SIZE(__ops_array))
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#define DSA_TAG_DRIVER_NAME(__ops) dsa_tag_driver ## _ ## __ops
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/* Create a static structure we can build a linked list of dsa_tag
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* drivers
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*/
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#define DSA_TAG_DRIVER(__ops) \
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static struct dsa_tag_driver DSA_TAG_DRIVER_NAME(__ops) = { \
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.ops = &__ops, \
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}
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/**
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* module_dsa_tag_driver() - Helper macro for registering a single DSA tag
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* driver
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* @__ops: Single tag driver structures
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*
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* Helper macro for DSA tag drivers which do not do anything special
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* in module init/exit. Each module may only use this macro once, and
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* calling it replaces module_init() and module_exit().
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*/
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#define module_dsa_tag_driver(__ops) \
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DSA_TAG_DRIVER(__ops); \
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\
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static struct dsa_tag_driver *dsa_tag_driver_array[] = { \
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&DSA_TAG_DRIVER_NAME(__ops) \
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}; \
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module_dsa_tag_drivers(dsa_tag_driver_array)
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#endif
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@ -17,6 +17,76 @@
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#define DSA_MAX_NUM_OFFLOADING_BRIDGES BITS_PER_LONG
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#define DSA_TAG_DRIVER_ALIAS "dsa_tag-"
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#define MODULE_ALIAS_DSA_TAG_DRIVER(__proto) \
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MODULE_ALIAS(DSA_TAG_DRIVER_ALIAS __stringify(__proto##_VALUE))
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struct dsa_tag_driver {
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const struct dsa_device_ops *ops;
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struct list_head list;
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struct module *owner;
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};
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void dsa_tag_drivers_register(struct dsa_tag_driver *dsa_tag_driver_array[],
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unsigned int count,
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struct module *owner);
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void dsa_tag_drivers_unregister(struct dsa_tag_driver *dsa_tag_driver_array[],
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unsigned int count);
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#define dsa_tag_driver_module_drivers(__dsa_tag_drivers_array, __count) \
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static int __init dsa_tag_driver_module_init(void) \
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{ \
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dsa_tag_drivers_register(__dsa_tag_drivers_array, __count, \
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THIS_MODULE); \
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return 0; \
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} \
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module_init(dsa_tag_driver_module_init); \
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\
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static void __exit dsa_tag_driver_module_exit(void) \
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{ \
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dsa_tag_drivers_unregister(__dsa_tag_drivers_array, __count); \
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} \
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module_exit(dsa_tag_driver_module_exit)
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/**
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* module_dsa_tag_drivers() - Helper macro for registering DSA tag
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* drivers
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* @__ops_array: Array of tag driver structures
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*
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* Helper macro for DSA tag drivers which do not do anything special
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* in module init/exit. Each module may only use this macro once, and
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* calling it replaces module_init() and module_exit().
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*/
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#define module_dsa_tag_drivers(__ops_array) \
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dsa_tag_driver_module_drivers(__ops_array, ARRAY_SIZE(__ops_array))
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#define DSA_TAG_DRIVER_NAME(__ops) dsa_tag_driver ## _ ## __ops
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/* Create a static structure we can build a linked list of dsa_tag
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* drivers
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*/
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#define DSA_TAG_DRIVER(__ops) \
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static struct dsa_tag_driver DSA_TAG_DRIVER_NAME(__ops) = { \
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.ops = &__ops, \
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}
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/**
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* module_dsa_tag_driver() - Helper macro for registering a single DSA tag
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* driver
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* @__ops: Single tag driver structures
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*
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* Helper macro for DSA tag drivers which do not do anything special
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* in module init/exit. Each module may only use this macro once, and
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* calling it replaces module_init() and module_exit().
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*/
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#define module_dsa_tag_driver(__ops) \
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DSA_TAG_DRIVER(__ops); \
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\
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static struct dsa_tag_driver *dsa_tag_driver_array[] = { \
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&DSA_TAG_DRIVER_NAME(__ops) \
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}; \
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module_dsa_tag_drivers(dsa_tag_driver_array)
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enum {
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DSA_NOTIFIER_AGEING_TIME,
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DSA_NOTIFIER_BRIDGE_JOIN,
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