diff options
| -rw-r--r-- | drivers/net/dsa/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/net/dsa/b53/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/net/dsa/microchip/Kconfig | 1 | ||||
| -rw-r--r-- | net/dsa/Kconfig | 6 | ||||
| -rw-r--r-- | net/dsa/Makefile | 1 | ||||
| -rw-r--r-- | net/dsa/dsa.c | 21 | ||||
| -rw-r--r-- | net/dsa/dsa_priv.h | 1 | ||||
| -rw-r--r-- | net/dsa/tag_none.c | 30 |
8 files changed, 41 insertions, 22 deletions
diff --git a/drivers/net/dsa/Kconfig b/drivers/net/dsa/Kconfig index 07507b4820d7..c26755f662c1 100644 --- a/drivers/net/dsa/Kconfig +++ b/drivers/net/dsa/Kconfig @@ -18,6 +18,7 @@ config NET_DSA_BCM_SF2 config NET_DSA_LOOP tristate "DSA mock-up Ethernet switch chip support" + select NET_DSA_TAG_NONE select FIXED_PHY help This enables support for a fake mock-up switch chip which @@ -99,6 +100,7 @@ config NET_DSA_SMSC_LAN9303_MDIO config NET_DSA_VITESSE_VSC73XX tristate + select NET_DSA_TAG_NONE select FIXED_PHY select VITESSE_PHY select GPIOLIB diff --git a/drivers/net/dsa/b53/Kconfig b/drivers/net/dsa/b53/Kconfig index 90b525160b71..ebaa4a80d544 100644 --- a/drivers/net/dsa/b53/Kconfig +++ b/drivers/net/dsa/b53/Kconfig @@ -2,6 +2,7 @@ menuconfig B53 tristate "Broadcom BCM53xx managed switch support" depends on NET_DSA + select NET_DSA_TAG_NONE select NET_DSA_TAG_BRCM select NET_DSA_TAG_BRCM_LEGACY select NET_DSA_TAG_BRCM_PREPEND diff --git a/drivers/net/dsa/microchip/Kconfig b/drivers/net/dsa/microchip/Kconfig index 06b1efdb5e7d..913f83ef013c 100644 --- a/drivers/net/dsa/microchip/Kconfig +++ b/drivers/net/dsa/microchip/Kconfig @@ -3,6 +3,7 @@ menuconfig NET_DSA_MICROCHIP_KSZ_COMMON tristate "Microchip KSZ8795/KSZ9477/LAN937x series switch support" depends on NET_DSA select NET_DSA_TAG_KSZ + select NET_DSA_TAG_NONE help This driver adds support for Microchip KSZ9477 series switch and KSZ8795/KSZ88x3 switch chips. diff --git a/net/dsa/Kconfig b/net/dsa/Kconfig index 3eef72ce99a4..8e698bea99a3 100644 --- a/net/dsa/Kconfig +++ b/net/dsa/Kconfig @@ -18,6 +18,12 @@ if NET_DSA # Drivers must select the appropriate tagging format(s) +config NET_DSA_TAG_NONE + tristate "No-op tag driver" + help + Say Y or M if you want to enable support for switches which don't tag + frames over the CPU port. + config NET_DSA_TAG_AR9331 tristate "Tag driver for Atheros AR9331 SoC with built-in switch" help diff --git a/net/dsa/Makefile b/net/dsa/Makefile index bf57ef3bce2a..14e05ab64135 100644 --- a/net/dsa/Makefile +++ b/net/dsa/Makefile @@ -20,6 +20,7 @@ obj-$(CONFIG_NET_DSA_TAG_HELLCREEK) += tag_hellcreek.o obj-$(CONFIG_NET_DSA_TAG_KSZ) += tag_ksz.o obj-$(CONFIG_NET_DSA_TAG_LAN9303) += tag_lan9303.o obj-$(CONFIG_NET_DSA_TAG_MTK) += tag_mtk.o +obj-$(CONFIG_NET_DSA_TAG_NONE) += tag_none.o obj-$(CONFIG_NET_DSA_TAG_OCELOT) += tag_ocelot.o obj-$(CONFIG_NET_DSA_TAG_OCELOT_8021Q) += tag_ocelot_8021q.o obj-$(CONFIG_NET_DSA_TAG_QCA) += tag_qca.o diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index 07158c7560b5..e609d64a2216 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -18,22 +18,6 @@ static LIST_HEAD(dsa_tag_drivers_list); static DEFINE_MUTEX(dsa_tag_drivers_lock); -static struct sk_buff *dsa_slave_notag_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - /* Just return the original SKB */ - return skb; -} - -static const struct dsa_device_ops none_ops = { - .name = "none", - .proto = DSA_TAG_PROTO_NONE, - .xmit = dsa_slave_notag_xmit, - .rcv = NULL, -}; - -DSA_TAG_DRIVER(none_ops); - static void dsa_tag_driver_register(struct dsa_tag_driver *dsa_tag_driver, struct module *owner) { @@ -551,9 +535,6 @@ static int __init dsa_init_module(void) dev_add_pack(&dsa_pack_type); - dsa_tag_driver_register(&DSA_TAG_DRIVER_NAME(none_ops), - THIS_MODULE); - rc = rtnl_link_register(&dsa_link_ops); if (rc) goto netlink_register_fail; @@ -561,7 +542,6 @@ static int __init dsa_init_module(void) return 0; netlink_register_fail: - dsa_tag_driver_unregister(&DSA_TAG_DRIVER_NAME(none_ops)); dsa_slave_unregister_notifier(); dev_remove_pack(&dsa_pack_type); register_notifier_fail: @@ -574,7 +554,6 @@ module_init(dsa_init_module); static void __exit dsa_cleanup_module(void) { rtnl_link_unregister(&dsa_link_ops); - dsa_tag_driver_unregister(&DSA_TAG_DRIVER_NAME(none_ops)); dsa_slave_unregister_notifier(); dev_remove_pack(&dsa_pack_type); diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h index b60987e8d931..c4ea5fda8f14 100644 --- a/net/dsa/dsa_priv.h +++ b/net/dsa/dsa_priv.h @@ -384,7 +384,6 @@ int dsa_port_change_master(struct dsa_port *dp, struct net_device *master, struct netlink_ext_ack *extack); /* slave.c */ -extern const struct dsa_device_ops notag_netdev_ops; extern struct notifier_block dsa_slave_switchdev_notifier; extern struct notifier_block dsa_slave_switchdev_blocking_notifier; diff --git a/net/dsa/tag_none.c b/net/dsa/tag_none.c new file mode 100644 index 000000000000..34a13c50d245 --- /dev/null +++ b/net/dsa/tag_none.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * net/dsa/tag_none.c - Traffic handling for switches with no tag + * Copyright (c) 2008-2009 Marvell Semiconductor + * Copyright (c) 2013 Florian Fainelli <florian@openwrt.org> + * + * WARNING: do not use this for new switches. In case of no hardware + * tagging support, look at tag_8021q.c instead. + */ + +#include "dsa_priv.h" + +#define NONE_NAME "none" + +static struct sk_buff *dsa_slave_notag_xmit(struct sk_buff *skb, + struct net_device *dev) +{ + /* Just return the original SKB */ + return skb; +} + +static const struct dsa_device_ops none_ops = { + .name = NONE_NAME, + .proto = DSA_TAG_PROTO_NONE, + .xmit = dsa_slave_notag_xmit, +}; + +module_dsa_tag_driver(none_ops); +MODULE_ALIAS_DSA_TAG_DRIVER(DSA_TAG_PROTO_NONE, NONE_NAME); +MODULE_LICENSE("GPL"); |