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/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef __LAN966X_MAIN_H__
#define __LAN966X_MAIN_H__
#include <linux/etherdevice.h>
#include <linux/if_vlan.h>
#include <linux/jiffies.h>
#include <linux/phy.h>
#include <linux/phylink.h>
#include <net/switchdev.h>
#include "lan966x_regs.h"
#include "lan966x_ifh.h"
#define TABLE_UPDATE_SLEEP_US 10
#define TABLE_UPDATE_TIMEOUT_US 100000
#define LAN966X_BUFFER_CELL_SZ 64
#define LAN966X_BUFFER_MEMORY (160 * 1024)
#define LAN966X_BUFFER_MIN_SZ 60
#define PGID_AGGR 64
#define PGID_SRC 80
#define PGID_ENTRIES 89
#define UNAWARE_PVID 0
#define HOST_PVID 4095
/* Reserved amount for (SRC, PRIO) at index 8*SRC + PRIO */
#define QSYS_Q_RSRV 95
#define CPU_PORT 8
/* Reserved PGIDs */
#define PGID_CPU (PGID_AGGR - 6)
#define PGID_UC (PGID_AGGR - 5)
#define PGID_BC (PGID_AGGR - 4)
#define PGID_MC (PGID_AGGR - 3)
#define PGID_MCIPV4 (PGID_AGGR - 2)
#define PGID_MCIPV6 (PGID_AGGR - 1)
/* Non-reserved PGIDs, used for general purpose */
#define PGID_GP_START (CPU_PORT + 1)
#define PGID_GP_END PGID_CPU
#define LAN966X_SPEED_NONE 0
#define LAN966X_SPEED_2500 1
#define LAN966X_SPEED_1000 1
#define LAN966X_SPEED_100 2
#define LAN966X_SPEED_10 3
/* MAC table entry types.
* ENTRYTYPE_NORMAL is subject to aging.
* ENTRYTYPE_LOCKED is not subject to aging.
* ENTRYTYPE_MACv4 is not subject to aging. For IPv4 multicast.
* ENTRYTYPE_MACv6 is not subject to aging. For IPv6 multicast.
*/
enum macaccess_entry_type {
ENTRYTYPE_NORMAL = 0,
ENTRYTYPE_LOCKED,
ENTRYTYPE_MACV4,
ENTRYTYPE_MACV6,
};
struct lan966x_port;
struct lan966x_stat_layout {
u32 offset;
char name[ETH_GSTRING_LEN];
};
struct lan966x {
struct device *dev;
u8 num_phys_ports;
struct lan966x_port **ports;
void __iomem *regs[NUM_TARGETS];
int shared_queue_sz;
u8 base_mac[ETH_ALEN];
struct net_device *bridge;
u16 bridge_mask;
u16 bridge_fwd_mask;
struct list_head mac_entries;
spinlock_t mac_lock; /* lock for mac_entries list */
u16 vlan_mask[VLAN_N_VID];
DECLARE_BITMAP(cpu_vlan_mask, VLAN_N_VID);
/* stats */
const struct lan966x_stat_layout *stats_layout;
u32 num_stats;
/* workqueue for reading stats */
struct mutex stats_lock;
u64 *stats;
struct delayed_work stats_work;
struct workqueue_struct *stats_queue;
/* interrupts */
int xtr_irq;
int ana_irq;
/* worqueue for fdb */
struct workqueue_struct *fdb_work;
struct list_head fdb_entries;
/* mdb */
struct list_head mdb_entries;
struct list_head pgid_entries;
};
struct lan966x_port_config {
phy_interface_t portmode;
const unsigned long *advertising;
int speed;
int duplex;
u32 pause;
bool inband;
bool autoneg;
};
struct lan966x_port {
struct net_device *dev;
struct lan966x *lan966x;
u8 chip_port;
u16 pvid;
u16 vid;
bool vlan_aware;
bool learn_ena;
struct phylink_config phylink_config;
struct phylink_pcs phylink_pcs;
struct lan966x_port_config config;
struct phylink *phylink;
struct phy *serdes;
struct fwnode_handle *fwnode;
};
extern const struct phylink_mac_ops lan966x_phylink_mac_ops;
extern const struct phylink_pcs_ops lan966x_phylink_pcs_ops;
extern const struct ethtool_ops lan966x_ethtool_ops;
bool lan966x_netdevice_check(const struct net_device *dev);
void lan966x_register_notifier_blocks(void);
void lan966x_unregister_notifier_blocks(void);
void lan966x_stats_get(struct net_device *dev,
struct rtnl_link_stats64 *stats);
int lan966x_stats_init(struct lan966x *lan966x);
void lan966x_port_config_down(struct lan966x_port *port);
void lan966x_port_config_up(struct lan966x_port *port);
void lan966x_port_status_get(struct lan966x_port *port,
struct phylink_link_state *state);
int lan966x_port_pcs_set(struct lan966x_port *port,
struct lan966x_port_config *config);
void lan966x_port_init(struct lan966x_port *port);
int lan966x_mac_ip_learn(struct lan966x *lan966x,
bool cpu_copy,
const unsigned char mac[ETH_ALEN],
unsigned int vid,
enum macaccess_entry_type type);
int lan966x_mac_learn(struct lan966x *lan966x, int port,
const unsigned char mac[ETH_ALEN],
unsigned int vid,
enum macaccess_entry_type type);
int lan966x_mac_forget(struct lan966x *lan966x,
const unsigned char mac[ETH_ALEN],
unsigned int vid,
enum macaccess_entry_type type);
int lan966x_mac_cpu_learn(struct lan966x *lan966x, const char *addr, u16 vid);
int lan966x_mac_cpu_forget(struct lan966x *lan966x, const char *addr, u16 vid);
void lan966x_mac_init(struct lan966x *lan966x);
void lan966x_mac_set_ageing(struct lan966x *lan966x,
u32 ageing);
int lan966x_mac_del_entry(struct lan966x *lan966x,
const unsigned char *addr,
u16 vid);
int lan966x_mac_add_entry(struct lan966x *lan966x,
struct lan966x_port *port,
const unsigned char *addr,
u16 vid);
void lan966x_mac_purge_entries(struct lan966x *lan966x);
irqreturn_t lan966x_mac_irq_handler(struct lan966x *lan966x);
void lan966x_vlan_init(struct lan966x *lan966x);
void lan966x_vlan_port_apply(struct lan966x_port *port);
bool lan966x_vlan_cpu_member_cpu_vlan_mask(struct lan966x *lan966x, u16 vid);
void lan966x_vlan_port_set_vlan_aware(struct lan966x_port *port,
bool vlan_aware);
int lan966x_vlan_port_set_vid(struct lan966x_port *port,
u16 vid,
bool pvid,
bool untagged);
void lan966x_vlan_port_add_vlan(struct lan966x_port *port,
u16 vid,
bool pvid,
bool untagged);
void lan966x_vlan_port_del_vlan(struct lan966x_port *port, u16 vid);
void lan966x_vlan_cpu_add_vlan(struct lan966x *lan966x, u16 vid);
void lan966x_vlan_cpu_del_vlan(struct lan966x *lan966x, u16 vid);
void lan966x_fdb_write_entries(struct lan966x *lan966x, u16 vid);
void lan966x_fdb_erase_entries(struct lan966x *lan966x, u16 vid);
int lan966x_fdb_init(struct lan966x *lan966x);
void lan966x_fdb_deinit(struct lan966x *lan966x);
int lan966x_handle_fdb(struct net_device *dev,
struct net_device *orig_dev,
unsigned long event, const void *ctx,
const struct switchdev_notifier_fdb_info *fdb_info);
void lan966x_mdb_init(struct lan966x *lan966x);
void lan966x_mdb_deinit(struct lan966x *lan966x);
int lan966x_handle_port_mdb_add(struct lan966x_port *port,
const struct switchdev_obj *obj);
int lan966x_handle_port_mdb_del(struct lan966x_port *port,
const struct switchdev_obj *obj);
void lan966x_mdb_erase_entries(struct lan966x *lan966x, u16 vid);
void lan966x_mdb_write_entries(struct lan966x *lan966x, u16 vid);
static inline void __iomem *lan_addr(void __iomem *base[],
int id, int tinst, int tcnt,
int gbase, int ginst,
int gcnt, int gwidth,
int raddr, int rinst,
int rcnt, int rwidth)
{
WARN_ON((tinst) >= tcnt);
WARN_ON((ginst) >= gcnt);
WARN_ON((rinst) >= rcnt);
return base[id + (tinst)] +
gbase + ((ginst) * gwidth) +
raddr + ((rinst) * rwidth);
}
static inline u32 lan_rd(struct lan966x *lan966x, int id, int tinst, int tcnt,
int gbase, int ginst, int gcnt, int gwidth,
int raddr, int rinst, int rcnt, int rwidth)
{
return readl(lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst,
gcnt, gwidth, raddr, rinst, rcnt, rwidth));
}
static inline void lan_wr(u32 val, struct lan966x *lan966x,
int id, int tinst, int tcnt,
int gbase, int ginst, int gcnt, int gwidth,
int raddr, int rinst, int rcnt, int rwidth)
{
writel(val, lan_addr(lan966x->regs, id, tinst, tcnt,
gbase, ginst, gcnt, gwidth,
raddr, rinst, rcnt, rwidth));
}
static inline void lan_rmw(u32 val, u32 mask, struct lan966x *lan966x,
int id, int tinst, int tcnt,
int gbase, int ginst, int gcnt, int gwidth,
int raddr, int rinst, int rcnt, int rwidth)
{
u32 nval;
nval = readl(lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst,
gcnt, gwidth, raddr, rinst, rcnt, rwidth));
nval = (nval & ~mask) | (val & mask);
writel(nval, lan_addr(lan966x->regs, id, tinst, tcnt, gbase, ginst,
gcnt, gwidth, raddr, rinst, rcnt, rwidth));
}
#endif /* __LAN966X_MAIN_H__ */
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