blob: 35554ee805cd0db7d3dd2efe588eaf3ea1371277 [file] [log] [blame]
/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/* Copyright (c) 2019-2020 Marvell International Ltd. All rights reserved. */
#ifndef _PRESTERA_H_
#define _PRESTERA_H_
#include <linux/notifier.h>
#include <linux/skbuff.h>
#include <linux/workqueue.h>
#include <linux/phylink.h>
#include <net/devlink.h>
#include <uapi/linux/if_ether.h>
#define PRESTERA_DRV_NAME "prestera"
#define PRESTERA_DEFAULT_VID 1
struct prestera_fw_rev {
u16 maj;
u16 min;
u16 sub;
};
struct prestera_flood_domain {
struct prestera_switch *sw;
struct list_head flood_domain_port_list;
u32 idx;
};
struct prestera_mdb_entry {
struct prestera_switch *sw;
struct prestera_flood_domain *flood_domain;
unsigned char addr[ETH_ALEN];
u16 vid;
};
struct prestera_flood_domain_port {
struct prestera_flood_domain *flood_domain;
struct net_device *dev;
struct list_head flood_domain_port_node;
u16 vid;
};
struct prestera_port_stats {
u64 good_octets_received;
u64 bad_octets_received;
u64 mac_trans_error;
u64 broadcast_frames_received;
u64 multicast_frames_received;
u64 frames_64_octets;
u64 frames_65_to_127_octets;
u64 frames_128_to_255_octets;
u64 frames_256_to_511_octets;
u64 frames_512_to_1023_octets;
u64 frames_1024_to_max_octets;
u64 excessive_collision;
u64 multicast_frames_sent;
u64 broadcast_frames_sent;
u64 fc_sent;
u64 fc_received;
u64 buffer_overrun;
u64 undersize;
u64 fragments;
u64 oversize;
u64 jabber;
u64 rx_error_frame_received;
u64 bad_crc;
u64 collisions;
u64 late_collision;
u64 unicast_frames_received;
u64 unicast_frames_sent;
u64 sent_multiple;
u64 sent_deferred;
u64 good_octets_sent;
};
#define PRESTERA_AP_PORT_MAX (10)
struct prestera_port_caps {
u64 supp_link_modes;
u8 supp_fec;
u8 type;
u8 transceiver;
};
struct prestera_lag {
struct net_device *dev;
struct list_head members;
u16 member_count;
u16 lag_id;
};
struct prestera_flow_block;
struct prestera_port_mac_state {
bool valid;
u32 mode;
u32 speed;
bool oper;
u8 duplex;
u8 fc;
u8 fec;
};
struct prestera_port_phy_state {
u64 lmode_bmap;
struct {
bool pause;
bool asym_pause;
} remote_fc;
u8 mdix;
};
struct prestera_port_mac_config {
u32 mode;
u32 speed;
bool admin;
u8 inband;
u8 duplex;
u8 fec;
};
struct prestera_port_phy_config {
u32 mode;
bool admin;
u8 mdix;
};
struct prestera_port {
struct net_device *dev;
struct prestera_switch *sw;
struct prestera_flow_block *ingress_flow_block;
struct prestera_flow_block *egress_flow_block;
struct devlink_port dl_port;
struct list_head lag_member;
struct prestera_lag *lag;
u32 id;
u32 hw_id;
u32 dev_id;
u16 fp_id;
u16 pvid;
bool autoneg;
u64 adver_link_modes;
u8 adver_fec;
struct prestera_port_caps caps;
struct list_head list;
struct list_head vlans_list;
struct {
struct prestera_port_stats stats;
struct delayed_work caching_dw;
} cached_hw_stats;
struct prestera_port_mac_config cfg_mac;
struct prestera_port_phy_config cfg_phy;
struct prestera_port_mac_state state_mac;
struct prestera_port_phy_state state_phy;
struct phylink_config phy_config;
struct phylink *phy_link;
struct phylink_pcs phylink_pcs;
/* protects state_mac */
spinlock_t state_mac_lock;
};
struct prestera_device {
struct device *dev;
u8 __iomem *ctl_regs;
u8 __iomem *pp_regs;
struct prestera_fw_rev fw_rev;
void *priv;
/* called by device driver to handle received packets */
void (*recv_pkt)(struct prestera_device *dev);
/* called by device driver to pass event up to the higher layer */
int (*recv_msg)(struct prestera_device *dev, void *msg, size_t size);
/* called by higher layer to send request to the firmware */
int (*send_req)(struct prestera_device *dev, int qid, void *in_msg,
size_t in_size, void *out_msg, size_t out_size,
unsigned int wait);
};
enum prestera_event_type {
PRESTERA_EVENT_TYPE_UNSPEC,
PRESTERA_EVENT_TYPE_PORT,
PRESTERA_EVENT_TYPE_FDB,
PRESTERA_EVENT_TYPE_RXTX,
PRESTERA_EVENT_TYPE_MAX
};
enum prestera_rxtx_event_id {
PRESTERA_RXTX_EVENT_UNSPEC,
PRESTERA_RXTX_EVENT_RCV_PKT,
};
enum prestera_port_event_id {
PRESTERA_PORT_EVENT_UNSPEC,
PRESTERA_PORT_EVENT_MAC_STATE_CHANGED,
};
struct prestera_port_event {
u32 port_id;
union {
struct {
u32 mode;
u32 speed;
u8 oper;
u8 duplex;
u8 fc;
u8 fec;
} mac;
struct {
u64 lmode_bmap;
struct {
bool pause;
bool asym_pause;
} remote_fc;
u8 mdix;
} phy;
} data;
};
enum prestera_fdb_entry_type {
PRESTERA_FDB_ENTRY_TYPE_REG_PORT,
PRESTERA_FDB_ENTRY_TYPE_LAG,
PRESTERA_FDB_ENTRY_TYPE_MAX
};
enum prestera_fdb_event_id {
PRESTERA_FDB_EVENT_UNSPEC,
PRESTERA_FDB_EVENT_LEARNED,
PRESTERA_FDB_EVENT_AGED,
};
struct prestera_fdb_event {
enum prestera_fdb_entry_type type;
union {
u32 port_id;
u16 lag_id;
} dest;
u32 vid;
union {
u8 mac[ETH_ALEN];
} data;
};
struct prestera_event {
u16 id;
union {
struct prestera_port_event port_evt;
struct prestera_fdb_event fdb_evt;
};
};
enum prestera_if_type {
/* the interface is of port type (dev,port) */
PRESTERA_IF_PORT_E = 0,
/* the interface is of lag type (lag-id) */
PRESTERA_IF_LAG_E = 1,
/* the interface is of Vid type (vlan-id) */
PRESTERA_IF_VID_E = 3,
};
struct prestera_iface {
enum prestera_if_type type;
struct {
u32 hw_dev_num;
u32 port_num;
} dev_port;
u32 hw_dev_num;
u16 vr_id;
u16 lag_id;
u16 vlan_id;
};
struct prestera_switchdev;
struct prestera_span;
struct prestera_rxtx;
struct prestera_trap_data;
struct prestera_acl;
struct prestera_switch {
struct prestera_device *dev;
struct prestera_switchdev *swdev;
struct prestera_rxtx *rxtx;
struct prestera_acl *acl;
struct prestera_span *span;
struct list_head event_handlers;
struct notifier_block netdev_nb;
struct prestera_trap_data *trap_data;
char base_mac[ETH_ALEN];
struct list_head port_list;
rwlock_t port_list_lock;
u32 port_count;
u32 mtu_min;
u32 mtu_max;
u8 id;
struct device_node *np;
struct prestera_router *router;
struct prestera_lag *lags;
struct prestera_counter *counter;
u8 lag_member_max;
u8 lag_max;
u32 size_tbl_router_nexthop;
};
struct prestera_router {
struct prestera_switch *sw;
struct list_head vr_list;
struct list_head rif_entry_list;
struct rhashtable nh_neigh_ht;
struct rhashtable nexthop_group_ht;
struct rhashtable fib_ht;
struct rhashtable kern_neigh_cache_ht;
struct rhashtable kern_fib_cache_ht;
struct notifier_block inetaddr_nb;
struct notifier_block inetaddr_valid_nb;
struct notifier_block fib_nb;
struct notifier_block netevent_nb;
u8 *nhgrp_hw_state_cache; /* Bitmap cached hw state of nhs */
unsigned long nhgrp_hw_cache_kick; /* jiffies */
struct {
struct delayed_work dw;
} neighs_update;
};
struct prestera_rxtx_params {
bool use_sdma;
u32 map_addr;
};
#define prestera_dev(sw) ((sw)->dev->dev)
static inline void prestera_write(const struct prestera_switch *sw,
unsigned int reg, u32 val)
{
writel(val, sw->dev->pp_regs + reg);
}
static inline u32 prestera_read(const struct prestera_switch *sw,
unsigned int reg)
{
return readl(sw->dev->pp_regs + reg);
}
int prestera_device_register(struct prestera_device *dev);
void prestera_device_unregister(struct prestera_device *dev);
struct prestera_port *prestera_port_find_by_hwid(struct prestera_switch *sw,
u32 dev_id, u32 hw_id);
int prestera_port_autoneg_set(struct prestera_port *port, u64 link_modes);
int prestera_router_init(struct prestera_switch *sw);
void prestera_router_fini(struct prestera_switch *sw);
struct prestera_port *prestera_find_port(struct prestera_switch *sw, u32 id);
struct prestera_switch *prestera_switch_get(struct net_device *dev);
int prestera_port_cfg_mac_read(struct prestera_port *port,
struct prestera_port_mac_config *cfg);
int prestera_port_cfg_mac_write(struct prestera_port *port,
struct prestera_port_mac_config *cfg);
struct prestera_port *prestera_port_dev_lower_find(struct net_device *dev);
void prestera_queue_work(struct work_struct *work);
void prestera_queue_delayed_work(struct delayed_work *work, unsigned long delay);
void prestera_queue_drain(void);
int prestera_port_learning_set(struct prestera_port *port, bool learn_enable);
int prestera_port_uc_flood_set(struct prestera_port *port, bool flood);
int prestera_port_mc_flood_set(struct prestera_port *port, bool flood);
int prestera_port_br_locked_set(struct prestera_port *port, bool br_locked);
int prestera_port_pvid_set(struct prestera_port *port, u16 vid);
bool prestera_netdev_check(const struct net_device *dev);
int prestera_is_valid_mac_addr(struct prestera_port *port, const u8 *addr);
bool prestera_port_is_lag_member(const struct prestera_port *port);
int prestera_lag_id(struct prestera_switch *sw,
struct net_device *lag_dev, u16 *lag_id);
struct prestera_lag *prestera_lag_by_id(struct prestera_switch *sw, u16 id);
u16 prestera_port_lag_id(const struct prestera_port *port);
struct prestera_mdb_entry *
prestera_mdb_entry_create(struct prestera_switch *sw,
const unsigned char *addr, u16 vid);
void prestera_mdb_entry_destroy(struct prestera_mdb_entry *mdb_entry);
struct prestera_flood_domain *
prestera_flood_domain_create(struct prestera_switch *sw);
void prestera_flood_domain_destroy(struct prestera_flood_domain *flood_domain);
int
prestera_flood_domain_port_create(struct prestera_flood_domain *flood_domain,
struct net_device *dev,
u16 vid);
void
prestera_flood_domain_port_destroy(struct prestera_flood_domain_port *port);
struct prestera_flood_domain_port *
prestera_flood_domain_port_find(struct prestera_flood_domain *flood_domain,
struct net_device *dev, u16 vid);
#endif /* _PRESTERA_H_ */