| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Horatiu Vultur | 2663 | 99.85% | 38 | 97.44% |
| Michael Walle | 4 | 0.15% | 1 | 2.56% |
| Total | 2667 | 39 |
/* 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 <linux/ptp_clock_kernel.h> #include <net/pkt_cls.h> #include <net/pkt_sched.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 READL_SLEEP_US 10 #define READL_TIMEOUT_US 100000000 #define LAN966X_BUFFER_CELL_SZ 64 #define LAN966X_BUFFER_MEMORY (160 * 1024) #define LAN966X_BUFFER_MIN_SZ 60 #define LAN966X_HW_MTU(mtu) ((mtu) + ETH_HLEN + ETH_FCS_LEN) #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 NUM_PHYS_PORTS 8 #define CPU_PORT 8 #define NUM_PRIO_QUEUES 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 #define LAN966X_PHC_COUNT 3 #define LAN966X_PHC_PORT 0 #define LAN966X_PHC_PINS_NUM 7 #define IFH_REW_OP_NOOP 0x0 #define IFH_REW_OP_ONE_STEP_PTP 0x3 #define IFH_REW_OP_TWO_STEP_PTP 0x4 #define FDMA_RX_DCB_MAX_DBS 1 #define FDMA_TX_DCB_MAX_DBS 1 #define FDMA_DCB_INFO_DATAL(x) ((x) & GENMASK(15, 0)) #define FDMA_DCB_STATUS_BLOCKL(x) ((x) & GENMASK(15, 0)) #define FDMA_DCB_STATUS_SOF BIT(16) #define FDMA_DCB_STATUS_EOF BIT(17) #define FDMA_DCB_STATUS_INTR BIT(18) #define FDMA_DCB_STATUS_DONE BIT(19) #define FDMA_DCB_STATUS_BLOCKO(x) (((x) << 20) & GENMASK(31, 20)) #define FDMA_DCB_INVALID_DATA 0x1 #define FDMA_XTR_CHANNEL 6 #define FDMA_INJ_CHANNEL 0 #define FDMA_DCB_MAX 512 #define SE_IDX_QUEUE 0 /* 0-79 : Queue scheduler elements */ #define SE_IDX_PORT 80 /* 80-89 : Port schedular elements */ /* 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_db { u64 dataptr; u64 status; }; struct lan966x_rx_dcb { u64 nextptr; u64 info; struct lan966x_db db[FDMA_RX_DCB_MAX_DBS]; }; struct lan966x_tx_dcb { u64 nextptr; u64 info; struct lan966x_db db[FDMA_TX_DCB_MAX_DBS]; }; struct lan966x_rx { struct lan966x *lan966x; /* Pointer to the array of hardware dcbs. */ struct lan966x_rx_dcb *dcbs; /* Pointer to the last address in the dcbs. */ struct lan966x_rx_dcb *last_entry; /* For each DB, there is a page */ struct page *page[FDMA_DCB_MAX][FDMA_RX_DCB_MAX_DBS]; /* Represents the db_index, it can have a value between 0 and * FDMA_RX_DCB_MAX_DBS, once it reaches the value of FDMA_RX_DCB_MAX_DBS * it means that the DCB can be reused. */ int db_index; /* Represents the index in the dcbs. It has a value between 0 and * FDMA_DCB_MAX */ int dcb_index; /* Represents the dma address to the dcbs array */ dma_addr_t dma; /* Represents the page order that is used to allocate the pages for the * RX buffers. This value is calculated based on max MTU of the devices. */ u8 page_order; u8 channel_id; }; struct lan966x_tx_dcb_buf { struct net_device *dev; struct sk_buff *skb; dma_addr_t dma_addr; bool used; bool ptp; }; struct lan966x_tx { struct lan966x *lan966x; /* Pointer to the dcb list */ struct lan966x_tx_dcb *dcbs; u16 last_in_use; /* Represents the DMA address to the first entry of the dcb entries. */ dma_addr_t dma; /* Array of dcbs that are given to the HW */ struct lan966x_tx_dcb_buf *dcbs_buf; u8 channel_id; bool activated; }; struct lan966x_stat_layout { u32 offset; char name[ETH_GSTRING_LEN]; }; struct lan966x_phc { struct ptp_clock *clock; struct ptp_clock_info info; struct ptp_pin_desc pins[LAN966X_PHC_PINS_NUM]; struct hwtstamp_config hwtstamp_config; struct lan966x *lan966x; u8 index; }; struct lan966x_skb_cb { u8 rew_op; u16 ts_id; unsigned long jiffies; }; #define LAN966X_PTP_TIMEOUT msecs_to_jiffies(10) #define LAN966X_SKB_CB(skb) \ ((struct lan966x_skb_cb *)((skb)->cb)) 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]; spinlock_t tx_lock; /* lock for frame transmition */ 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; int ptp_irq; int fdma_irq; int ptp_ext_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; /* ptp */ bool ptp; struct lan966x_phc phc[LAN966X_PHC_COUNT]; spinlock_t ptp_clock_lock; /* lock for phc */ spinlock_t ptp_ts_id_lock; /* lock for ts_id */ struct mutex ptp_lock; /* lock for ptp interface state */ u16 ptp_skbs; /* fdma */ bool fdma; struct net_device *fdma_ndev; struct lan966x_rx rx; struct lan966x_tx tx; struct napi_struct napi; /* Mirror */ struct lan966x_port *mirror_monitor; u32 mirror_mask[2]; u32 mirror_count; }; 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_tc { bool ingress_shared_block; unsigned long police_id; unsigned long ingress_mirror_id; unsigned long egress_mirror_id; struct flow_stats police_stat; struct flow_stats mirror_stat; }; struct lan966x_port { struct net_device *dev; struct lan966x *lan966x; u8 chip_port; u16 pvid; u16 vid; bool vlan_aware; bool learn_ena; bool mcast_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; u8 ptp_cmd; u16 ts_id; struct sk_buff_head tx_skbs; struct net_device *bond; bool lag_tx_active; enum netdev_lag_hash hash_type; struct lan966x_port_tc tc; }; 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; extern struct notifier_block lan966x_switchdev_nb __read_mostly; extern struct notifier_block lan966x_switchdev_blocking_nb __read_mostly; bool lan966x_netdevice_check(const struct net_device *dev); void lan966x_register_notifier_blocks(void); void lan966x_unregister_notifier_blocks(void); bool lan966x_hw_offload(struct lan966x *lan966x, u32 port, struct sk_buff *skb); void lan966x_ifh_get_src_port(void *ifh, u64 *src_port); void lan966x_ifh_get_timestamp(void *ifh, u64 *timestamp); 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_lag_replace_port_entry(struct lan966x *lan966x, struct lan966x_port *src, struct lan966x_port *dst); void lan966x_mac_lag_remove_port_entry(struct lan966x *lan966x, struct lan966x_port *src); 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); void lan966x_fdb_flush_workqueue(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); void lan966x_mdb_clear_entries(struct lan966x *lan966x); void lan966x_mdb_restore_entries(struct lan966x *lan966x); int lan966x_ptp_init(struct lan966x *lan966x); void lan966x_ptp_deinit(struct lan966x *lan966x); int lan966x_ptp_hwtstamp_set(struct lan966x_port *port, struct ifreq *ifr); int lan966x_ptp_hwtstamp_get(struct lan966x_port *port, struct ifreq *ifr); void lan966x_ptp_rxtstamp(struct lan966x *lan966x, struct sk_buff *skb, u64 timestamp); int lan966x_ptp_txtstamp_request(struct lan966x_port *port, struct sk_buff *skb); void lan966x_ptp_txtstamp_release(struct lan966x_port *port, struct sk_buff *skb); irqreturn_t lan966x_ptp_irq_handler(int irq, void *args); irqreturn_t lan966x_ptp_ext_irq_handler(int irq, void *args); u32 lan966x_ptp_get_period_ps(void); int lan966x_ptp_gettime64(struct ptp_clock_info *ptp, struct timespec64 *ts); int lan966x_fdma_xmit(struct sk_buff *skb, __be32 *ifh, struct net_device *dev); int lan966x_fdma_change_mtu(struct lan966x *lan966x); void lan966x_fdma_netdev_init(struct lan966x *lan966x, struct net_device *dev); void lan966x_fdma_netdev_deinit(struct lan966x *lan966x, struct net_device *dev); int lan966x_fdma_init(struct lan966x *lan966x); void lan966x_fdma_deinit(struct lan966x *lan966x); irqreturn_t lan966x_fdma_irq_handler(int irq, void *args); int lan966x_lag_port_join(struct lan966x_port *port, struct net_device *brport_dev, struct net_device *bond, struct netlink_ext_ack *extack); void lan966x_lag_port_leave(struct lan966x_port *port, struct net_device *bond); int lan966x_lag_port_prechangeupper(struct net_device *dev, struct netdev_notifier_changeupper_info *info); int lan966x_lag_port_changelowerstate(struct net_device *dev, struct netdev_notifier_changelowerstate_info *info); int lan966x_lag_netdev_prechangeupper(struct net_device *dev, struct netdev_notifier_changeupper_info *info); int lan966x_lag_netdev_changeupper(struct net_device *dev, struct netdev_notifier_changeupper_info *info); bool lan966x_lag_first_port(struct net_device *lag, struct net_device *dev); u32 lan966x_lag_get_mask(struct lan966x *lan966x, struct net_device *bond); int lan966x_port_changeupper(struct net_device *dev, struct net_device *brport_dev, struct netdev_notifier_changeupper_info *info); int lan966x_port_prechangeupper(struct net_device *dev, struct net_device *brport_dev, struct netdev_notifier_changeupper_info *info); void lan966x_port_stp_state_set(struct lan966x_port *port, u8 state); void lan966x_port_ageing_set(struct lan966x_port *port, unsigned long ageing_clock_t); void lan966x_update_fwd_mask(struct lan966x *lan966x); int lan966x_tc_setup(struct net_device *dev, enum tc_setup_type type, void *type_data); int lan966x_mqprio_add(struct lan966x_port *port, u8 num_tc); int lan966x_mqprio_del(struct lan966x_port *port); void lan966x_taprio_init(struct lan966x *lan966x); void lan966x_taprio_deinit(struct lan966x *lan966x); int lan966x_taprio_add(struct lan966x_port *port, struct tc_taprio_qopt_offload *qopt); int lan966x_taprio_del(struct lan966x_port *port); int lan966x_taprio_speed_set(struct lan966x_port *port, int speed); int lan966x_tbf_add(struct lan966x_port *port, struct tc_tbf_qopt_offload *qopt); int lan966x_tbf_del(struct lan966x_port *port, struct tc_tbf_qopt_offload *qopt); int lan966x_cbs_add(struct lan966x_port *port, struct tc_cbs_qopt_offload *qopt); int lan966x_cbs_del(struct lan966x_port *port, struct tc_cbs_qopt_offload *qopt); int lan966x_ets_add(struct lan966x_port *port, struct tc_ets_qopt_offload *qopt); int lan966x_ets_del(struct lan966x_port *port, struct tc_ets_qopt_offload *qopt); int lan966x_tc_matchall(struct lan966x_port *port, struct tc_cls_matchall_offload *f, bool ingress); int lan966x_police_port_add(struct lan966x_port *port, struct flow_action *action, struct flow_action_entry *act, unsigned long police_id, bool ingress, struct netlink_ext_ack *extack); int lan966x_police_port_del(struct lan966x_port *port, unsigned long police_id, struct netlink_ext_ack *extack); void lan966x_police_port_stats(struct lan966x_port *port, struct flow_stats *stats); int lan966x_mirror_port_add(struct lan966x_port *port, struct flow_action_entry *action, unsigned long mirror_id, bool ingress, struct netlink_ext_ack *extack); int lan966x_mirror_port_del(struct lan966x_port *port, bool ingress, struct netlink_ext_ack *extack); void lan966x_mirror_port_stats(struct lan966x_port *port, struct flow_stats *stats, bool ingress); 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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