diff options
Diffstat (limited to 'drivers/net/ethernet/mscc/ocelot.h')
-rw-r--r-- | drivers/net/ethernet/mscc/ocelot.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mscc/ocelot.h b/drivers/net/ethernet/mscc/ocelot.h new file mode 100644 index 000000000..70dbd9c4e --- /dev/null +++ b/drivers/net/ethernet/mscc/ocelot.h @@ -0,0 +1,117 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ +/* + * Microsemi Ocelot Switch driver + * + * Copyright (c) 2017 Microsemi Corporation + */ + +#ifndef _MSCC_OCELOT_H_ +#define _MSCC_OCELOT_H_ + +#include <linux/bitops.h> +#include <linux/etherdevice.h> +#include <linux/if_vlan.h> +#include <linux/net_tstamp.h> +#include <linux/phylink.h> +#include <linux/platform_device.h> +#include <linux/regmap.h> + +#include <soc/mscc/ocelot_qsys.h> +#include <soc/mscc/ocelot_sys.h> +#include <soc/mscc/ocelot_dev.h> +#include <soc/mscc/ocelot_ana.h> +#include <soc/mscc/ocelot_ptp.h> +#include <soc/mscc/ocelot_vcap.h> +#include <soc/mscc/ocelot.h> +#include "ocelot_rew.h" +#include "ocelot_qs.h" + +#define OCELOT_STANDALONE_PVID 0 +#define OCELOT_BUFFER_CELL_SZ 60 + +#define OCELOT_STATS_CHECK_DELAY (2 * HZ) + +#define OCELOT_PTP_QUEUE_SZ 128 + +#define OCELOT_JUMBO_MTU 9000 + +struct ocelot_port_tc { + bool block_shared; + unsigned long offload_cnt; + unsigned long ingress_mirred_id; + unsigned long egress_mirred_id; + unsigned long police_id; +}; + +struct ocelot_port_private { + struct ocelot_port port; + struct net_device *dev; + struct phylink *phylink; + struct phylink_config phylink_config; + struct ocelot_port_tc tc; +}; + +/* A (PGID) port mask structure, encoding the 2^ocelot->num_phys_ports + * possibilities of egress port masks for L2 multicast traffic. + * For a switch with 9 user ports, there are 512 possible port masks, but the + * hardware only has 46 individual PGIDs that it can forward multicast traffic + * to. So we need a structure that maps the limited PGID indices to the port + * destinations requested by the user for L2 multicast. + */ +struct ocelot_pgid { + unsigned long ports; + int index; + refcount_t refcount; + struct list_head list; +}; + +struct ocelot_multicast { + struct list_head list; + enum macaccess_entry_type entry_type; + unsigned char addr[ETH_ALEN]; + u16 vid; + u16 ports; + struct ocelot_pgid *pgid; +}; + +int ocelot_bridge_num_find(struct ocelot *ocelot, + const struct net_device *bridge); + +int ocelot_mact_learn(struct ocelot *ocelot, int port, + const unsigned char mac[ETH_ALEN], + unsigned int vid, enum macaccess_entry_type type); +int ocelot_mact_forget(struct ocelot *ocelot, + const unsigned char mac[ETH_ALEN], unsigned int vid); +struct net_device *ocelot_port_to_netdev(struct ocelot *ocelot, int port); +int ocelot_netdev_to_port(struct net_device *dev); + +u32 ocelot_port_readl(struct ocelot_port *port, u32 reg); +void ocelot_port_writel(struct ocelot_port *port, u32 val, u32 reg); + +int ocelot_probe_port(struct ocelot *ocelot, int port, struct regmap *target, + struct device_node *portnp); +void ocelot_release_port(struct ocelot_port *ocelot_port); +int ocelot_devlink_init(struct ocelot *ocelot); +void ocelot_devlink_teardown(struct ocelot *ocelot); +int ocelot_port_devlink_init(struct ocelot *ocelot, int port, + enum devlink_port_flavour flavour); +void ocelot_port_devlink_teardown(struct ocelot *ocelot, int port); + +int ocelot_trap_add(struct ocelot *ocelot, int port, + unsigned long cookie, bool take_ts, + void (*populate)(struct ocelot_vcap_filter *f)); +int ocelot_trap_del(struct ocelot *ocelot, int port, unsigned long cookie); + +struct ocelot_mirror *ocelot_mirror_get(struct ocelot *ocelot, int to, + struct netlink_ext_ack *extack); +void ocelot_mirror_put(struct ocelot *ocelot); + +int ocelot_stats_init(struct ocelot *ocelot); +void ocelot_stats_deinit(struct ocelot *ocelot); + +extern struct notifier_block ocelot_netdevice_nb; +extern struct notifier_block ocelot_switchdev_nb; +extern struct notifier_block ocelot_switchdev_blocking_nb; +extern const struct devlink_ops ocelot_devlink_ops; + +#endif |