diff --git a/include/net/dsa.h b/include/net/dsa.h index 720036f48fb333a3f67c7b1668ec4ab093cbbc58..08ac05c014e3d44d4c38b8dbe628d5ea900b34fc 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -594,4 +594,70 @@ int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data); int dsa_port_get_phy_sset_count(struct dsa_port *dp); void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); +struct dsa_tag_driver { + const struct dsa_device_ops *ops; + struct list_head list; + struct module *owner; +}; + +void dsa_tag_drivers_register(struct dsa_tag_driver *dsa_tag_driver_array[], + unsigned int count, + struct module *owner); +void dsa_tag_drivers_unregister(struct dsa_tag_driver *dsa_tag_driver_array[], + unsigned int count); + +#define dsa_tag_driver_module_drivers(__dsa_tag_drivers_array, __count) \ +static int __init dsa_tag_driver_module_init(void) \ +{ \ + dsa_tag_drivers_register(__dsa_tag_drivers_array, __count, \ + THIS_MODULE); \ + return 0; \ +} \ +module_init(dsa_tag_driver_module_init); \ + \ +static void __exit dsa_tag_driver_module_exit(void) \ +{ \ + dsa_tag_drivers_unregister(__dsa_tag_drivers_array, __count); \ +} \ +module_exit(dsa_tag_driver_module_exit) + +/** + * module_dsa_tag_drivers() - Helper macro for registering DSA tag + * drivers + * @__ops_array: Array of tag driver strucutres + * + * Helper macro for DSA tag drivers which do not do anything special + * in module init/exit. Each module may only use this macro once, and + * calling it replaces module_init() and module_exit(). + */ +#define module_dsa_tag_drivers(__ops_array) \ +dsa_tag_driver_module_drivers(__ops_array, ARRAY_SIZE(__ops_array)) + +#define DSA_TAG_DRIVER_NAME(__ops) dsa_tag_driver ## _ ## __ops + +/* Create a static structure we can build a linked list of dsa_tag + * drivers + */ +#define DSA_TAG_DRIVER(__ops) \ +static struct dsa_tag_driver DSA_TAG_DRIVER_NAME(__ops) = { \ + .ops = &__ops, \ +} + +/** + * module_dsa_tag_driver() - Helper macro for registering a single DSA tag + * driver + * @__ops: Single tag driver structures + * + * Helper macro for DSA tag drivers which do not do anything special + * in module init/exit. Each module may only use this macro once, and + * calling it replaces module_init() and module_exit(). + */ +#define module_dsa_tag_driver(__ops) \ +DSA_TAG_DRIVER(__ops); \ + \ +static struct dsa_tag_driver *dsa_tag_driver_array[] = { \ + &DSA_TAG_DRIVER_NAME(__ops) \ +}; \ +module_dsa_tag_drivers(dsa_tag_driver_array) #endif + diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 2da733dff86bc82369c690f8859d1047eadc8760..34becafbd37b17effaa468daef3734496b4ed903 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -76,6 +76,18 @@ const struct dsa_device_ops *dsa_device_ops[DSA_TAG_LAST] = { [DSA_TAG_PROTO_NONE] = &none_ops, }; +void dsa_tag_drivers_register(struct dsa_tag_driver *dsa_tag_driver_array[], + unsigned int count, struct module *owner) +{ +} +EXPORT_SYMBOL_GPL(dsa_tag_drivers_register); + +void dsa_tag_drivers_unregister(struct dsa_tag_driver *dsa_tag_driver_array[], + unsigned int count) +{ +} +EXPORT_SYMBOL_GPL(dsa_tag_drivers_unregister); + const char *dsa_tag_protocol_to_str(const struct dsa_device_ops *ops) { return ops->name; diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c index 39b380485e5a24259effe3e1643d76cd856a95a2..63c8c6645a05e8ace29e35218c708ff995fb3211 100644 --- a/net/dsa/tag_brcm.c +++ b/net/dsa/tag_brcm.c @@ -175,6 +175,7 @@ const struct dsa_device_ops brcm_netdev_ops = { .overhead = BRCM_TAG_LEN, }; +DSA_TAG_DRIVER(brcm_netdev_ops); MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_BRCM); #endif @@ -203,5 +204,18 @@ const struct dsa_device_ops brcm_prepend_netdev_ops = { }; #endif -MODULE_LICENSE("GPL"); +DSA_TAG_DRIVER(brcm_prepend_netdev_ops); MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_BRCM_PREPEND); + +static struct dsa_tag_driver *dsa_tag_driver_array[] = { +#if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM) + &DSA_TAG_DRIVER_NAME(brcm_netdev_ops), +#endif +#if IS_ENABLED(CONFIG_NET_DSA_TAG_BRCM_PREPEND) + &DSA_TAG_DRIVER_NAME(brcm_prepend_netdev_ops), +#endif +}; + +module_dsa_tag_drivers(dsa_tag_driver_array); + +MODULE_LICENSE("GPL"); diff --git a/net/dsa/tag_dsa.c b/net/dsa/tag_dsa.c index ec9b66c11219c1c91bd9f9e09e7d445642d0fea6..96b5147b6f3ea637cb96efa99727b00c2122a1d1 100644 --- a/net/dsa/tag_dsa.c +++ b/net/dsa/tag_dsa.c @@ -161,3 +161,5 @@ const struct dsa_device_ops dsa_netdev_ops = { MODULE_LICENSE("GPL"); MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_DSA); + +module_dsa_tag_driver(dsa_netdev_ops); diff --git a/net/dsa/tag_edsa.c b/net/dsa/tag_edsa.c index 866d4e684511b4b71d7c1d9d870cec53eb006e75..76bf3db4e9d43ea4fb5232c364cd0341d6a9e104 100644 --- a/net/dsa/tag_edsa.c +++ b/net/dsa/tag_edsa.c @@ -180,3 +180,5 @@ const struct dsa_device_ops edsa_netdev_ops = { MODULE_LICENSE("GPL"); MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_EDSA); + +module_dsa_tag_driver(edsa_netdev_ops); diff --git a/net/dsa/tag_gswip.c b/net/dsa/tag_gswip.c index 1921563731088b1cfd68929fe1aa70232159d70e..ee5167180e79f6cd64e5a60d330f3bc34462c1cf 100644 --- a/net/dsa/tag_gswip.c +++ b/net/dsa/tag_gswip.c @@ -113,3 +113,5 @@ const struct dsa_device_ops gswip_netdev_ops = { MODULE_LICENSE("GPL"); MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_GSWIP); + +module_dsa_tag_driver(gswip_netdev_ops); diff --git a/net/dsa/tag_ksz.c b/net/dsa/tag_ksz.c index 5f5c8f9a6141fa54670d013b0a9f3ed7b8f8c192..02689ac6f9da881d5b4366ace13ae1a42c84b898 100644 --- a/net/dsa/tag_ksz.c +++ b/net/dsa/tag_ksz.c @@ -141,6 +141,7 @@ const struct dsa_device_ops ksz9477_netdev_ops = { .overhead = KSZ9477_INGRESS_TAG_LEN, }; +DSA_TAG_DRIVER(ksz9477_netdev_ops); MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_KSZ9477); #define KSZ9893_TAIL_TAG_OVERRIDE BIT(5) @@ -178,5 +179,14 @@ const struct dsa_device_ops ksz9893_netdev_ops = { .overhead = KSZ_INGRESS_TAG_LEN, }; -MODULE_LICENSE("GPL"); +DSA_TAG_DRIVER(ksz9893_netdev_ops); MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_KSZ9893); + +static struct dsa_tag_driver *dsa_tag_driver_array[] = { + &DSA_TAG_DRIVER_NAME(ksz9477_netdev_ops), + &DSA_TAG_DRIVER_NAME(ksz9893_netdev_ops), +}; + +module_dsa_tag_drivers(dsa_tag_driver_array); + +MODULE_LICENSE("GPL"); diff --git a/net/dsa/tag_lan9303.c b/net/dsa/tag_lan9303.c index b6ef1e1a66731b724e10968cc5fdcc82ded1caf8..609a2405abd86f30a13e84923d95b147740fafc7 100644 --- a/net/dsa/tag_lan9303.c +++ b/net/dsa/tag_lan9303.c @@ -138,3 +138,5 @@ const struct dsa_device_ops lan9303_netdev_ops = { MODULE_LICENSE("GPL"); MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_LAN9303); + +module_dsa_tag_driver(lan9303_netdev_ops); diff --git a/net/dsa/tag_mtk.c b/net/dsa/tag_mtk.c index ca02ab3dcd8009e926e3532b0faa98f33fb85e65..a4d2dcdb71025e4918dde56889475bbf1cd7fd66 100644 --- a/net/dsa/tag_mtk.c +++ b/net/dsa/tag_mtk.c @@ -109,3 +109,5 @@ const struct dsa_device_ops mtk_netdev_ops = { MODULE_LICENSE("GPL"); MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_MTK); + +module_dsa_tag_driver(mtk_netdev_ops); diff --git a/net/dsa/tag_qca.c b/net/dsa/tag_qca.c index 1ff65c2e0cb4a2846bb26c7772ff8ff026369ce2..552ddfbbf5ec33de8aaa536b21c52e2b3875a98f 100644 --- a/net/dsa/tag_qca.c +++ b/net/dsa/tag_qca.c @@ -110,3 +110,5 @@ const struct dsa_device_ops qca_netdev_ops = { MODULE_LICENSE("GPL"); MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_QCA); + +module_dsa_tag_driver(qca_netdev_ops); diff --git a/net/dsa/tag_trailer.c b/net/dsa/tag_trailer.c index 628ab1a44ed7d5bbaa77de8a6fbaf636841121d8..807cc2dff052325bb260ba983edcfa8bd841a2b9 100644 --- a/net/dsa/tag_trailer.c +++ b/net/dsa/tag_trailer.c @@ -87,3 +87,5 @@ const struct dsa_device_ops trailer_netdev_ops = { MODULE_LICENSE("GPL"); MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_TRAILER); + +module_dsa_tag_driver(trailer_netdev_ops);