| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Steen Hegelund | 2402 | 86.43% | 11 | 39.29% |
| Horatiu Vultur | 197 | 7.09% | 5 | 17.86% |
| Casper Andersson | 153 | 5.51% | 9 | 32.14% |
| Daniel Machon | 26 | 0.94% | 2 | 7.14% |
| Nathan Huckleberry | 1 | 0.04% | 1 | 3.57% |
| Total | 2779 | 28 |
/* SPDX-License-Identifier: GPL-2.0+ */ /* Microchip Sparx5 Switch driver * * Copyright (c) 2021 Microchip Technology Inc. and its subsidiaries. */ #ifndef __SPARX5_MAIN_H__ #define __SPARX5_MAIN_H__ #include <linux/types.h> #include <linux/phy/phy.h> #include <linux/netdevice.h> #include <linux/phy.h> #include <linux/if_vlan.h> #include <linux/bitmap.h> #include <linux/phylink.h> #include <linux/net_tstamp.h> #include <linux/ptp_clock_kernel.h> #include <linux/hrtimer.h> #include <linux/debugfs.h> #include "sparx5_main_regs.h" /* Target chip type */ enum spx5_target_chiptype { SPX5_TARGET_CT_7546 = 0x7546, /* SparX-5-64 Enterprise */ SPX5_TARGET_CT_7549 = 0x7549, /* SparX-5-90 Enterprise */ SPX5_TARGET_CT_7552 = 0x7552, /* SparX-5-128 Enterprise */ SPX5_TARGET_CT_7556 = 0x7556, /* SparX-5-160 Enterprise */ SPX5_TARGET_CT_7558 = 0x7558, /* SparX-5-200 Enterprise */ SPX5_TARGET_CT_7546TSN = 0x47546, /* SparX-5-64i Industrial */ SPX5_TARGET_CT_7549TSN = 0x47549, /* SparX-5-90i Industrial */ SPX5_TARGET_CT_7552TSN = 0x47552, /* SparX-5-128i Industrial */ SPX5_TARGET_CT_7556TSN = 0x47556, /* SparX-5-160i Industrial */ SPX5_TARGET_CT_7558TSN = 0x47558, /* SparX-5-200i Industrial */ }; enum sparx5_port_max_tags { SPX5_PORT_MAX_TAGS_NONE, /* No extra tags allowed */ SPX5_PORT_MAX_TAGS_ONE, /* Single tag allowed */ SPX5_PORT_MAX_TAGS_TWO /* Single and double tag allowed */ }; enum sparx5_vlan_port_type { SPX5_VLAN_PORT_TYPE_UNAWARE, /* VLAN unaware port */ SPX5_VLAN_PORT_TYPE_C, /* C-port */ SPX5_VLAN_PORT_TYPE_S, /* S-port */ SPX5_VLAN_PORT_TYPE_S_CUSTOM /* S-port using custom type */ }; #define SPX5_PORTS 65 #define SPX5_PORT_CPU (SPX5_PORTS) /* Next port is CPU port */ #define SPX5_PORT_CPU_0 (SPX5_PORT_CPU + 0) /* CPU Port 65 */ #define SPX5_PORT_CPU_1 (SPX5_PORT_CPU + 1) /* CPU Port 66 */ #define SPX5_PORT_VD0 (SPX5_PORT_CPU + 2) /* VD0/Port 67 used for IPMC */ #define SPX5_PORT_VD1 (SPX5_PORT_CPU + 3) /* VD1/Port 68 used for AFI/OAM */ #define SPX5_PORT_VD2 (SPX5_PORT_CPU + 4) /* VD2/Port 69 used for IPinIP*/ #define SPX5_PORTS_ALL (SPX5_PORT_CPU + 5) /* Total number of ports */ #define PGID_BASE SPX5_PORTS /* Starts after port PGIDs */ #define PGID_UC_FLOOD (PGID_BASE + 0) #define PGID_MC_FLOOD (PGID_BASE + 1) #define PGID_IPV4_MC_DATA (PGID_BASE + 2) #define PGID_IPV4_MC_CTRL (PGID_BASE + 3) #define PGID_IPV6_MC_DATA (PGID_BASE + 4) #define PGID_IPV6_MC_CTRL (PGID_BASE + 5) #define PGID_BCAST (PGID_BASE + 6) #define PGID_CPU (PGID_BASE + 7) #define PGID_MCAST_START (PGID_BASE + 8) #define PGID_TABLE_SIZE 3290 #define IFH_LEN 9 /* 36 bytes */ #define NULL_VID 0 #define SPX5_MACT_PULL_DELAY (2 * HZ) #define SPX5_STATS_CHECK_DELAY (1 * HZ) #define SPX5_PRIOS 8 /* Number of priority queues */ #define SPX5_BUFFER_CELL_SZ 184 /* Cell size */ #define SPX5_BUFFER_MEMORY 4194280 /* 22795 words * 184 bytes */ #define XTR_QUEUE 0 #define INJ_QUEUE 0 #define FDMA_DCB_MAX 64 #define FDMA_RX_DCB_MAX_DBS 15 #define FDMA_TX_DCB_MAX_DBS 1 #define SPARX5_PHC_COUNT 3 #define SPARX5_PHC_PORT 0 #define IFH_REW_OP_NOOP 0x0 #define IFH_REW_OP_ONE_STEP_PTP 0x3 #define IFH_REW_OP_TWO_STEP_PTP 0x4 #define IFH_PDU_TYPE_NONE 0x0 #define IFH_PDU_TYPE_PTP 0x5 #define IFH_PDU_TYPE_IPV4_UDP_PTP 0x6 #define IFH_PDU_TYPE_IPV6_UDP_PTP 0x7 struct sparx5; struct sparx5_db_hw { u64 dataptr; u64 status; }; struct sparx5_rx_dcb_hw { u64 nextptr; u64 info; struct sparx5_db_hw db[FDMA_RX_DCB_MAX_DBS]; }; struct sparx5_tx_dcb_hw { u64 nextptr; u64 info; struct sparx5_db_hw db[FDMA_TX_DCB_MAX_DBS]; }; /* Frame DMA receive state: * For each DB, there is a SKB, and the skb data pointer is mapped in * the DB. Once a frame is received the skb is given to the upper layers * and a new skb is added to the dcb. * When the db_index reached FDMA_RX_DCB_MAX_DBS the DB is reused. */ struct sparx5_rx { struct sparx5_rx_dcb_hw *dcb_entries; struct sparx5_rx_dcb_hw *last_entry; struct sk_buff *skb[FDMA_DCB_MAX][FDMA_RX_DCB_MAX_DBS]; int db_index; int dcb_index; dma_addr_t dma; struct napi_struct napi; u32 channel_id; struct net_device *ndev; u64 packets; }; /* Frame DMA transmit state: * DCBs are chained using the DCBs nextptr field. */ struct sparx5_tx { struct sparx5_tx_dcb_hw *curr_entry; struct sparx5_tx_dcb_hw *first_entry; struct list_head db_list; dma_addr_t dma; u32 channel_id; u64 packets; u64 dropped; }; struct sparx5_port_config { phy_interface_t portmode; u32 bandwidth; int speed; int duplex; enum phy_media media; bool inband; bool power_down; bool autoneg; bool serdes_reset; u32 pause; u32 pause_adv; phy_interface_t phy_mode; u32 sd_sgpio; }; struct sparx5_port { struct net_device *ndev; struct sparx5 *sparx5; struct device_node *of_node; struct phy *serdes; struct sparx5_port_config conf; struct phylink_config phylink_config; struct phylink *phylink; struct phylink_pcs phylink_pcs; u16 portno; /* Ingress default VLAN (pvid) */ u16 pvid; /* Egress default VLAN (vid) */ u16 vid; bool signd_internal; bool signd_active_high; bool signd_enable; bool flow_control; enum sparx5_port_max_tags max_vlan_tags; enum sparx5_vlan_port_type vlan_type; u32 custom_etype; bool vlan_aware; struct hrtimer inj_timer; /* ptp */ u8 ptp_cmd; u16 ts_id; struct sk_buff_head tx_skbs; bool is_mrouter; }; enum sparx5_core_clockfreq { SPX5_CORE_CLOCK_DEFAULT, /* Defaults to the highest supported frequency */ SPX5_CORE_CLOCK_250MHZ, /* 250MHZ core clock frequency */ SPX5_CORE_CLOCK_500MHZ, /* 500MHZ core clock frequency */ SPX5_CORE_CLOCK_625MHZ, /* 625MHZ core clock frequency */ }; struct sparx5_phc { struct ptp_clock *clock; struct ptp_clock_info info; struct hwtstamp_config hwtstamp_config; struct sparx5 *sparx5; u8 index; }; struct sparx5_skb_cb { u8 rew_op; u8 pdu_type; u8 pdu_w16_offset; u16 ts_id; unsigned long jiffies; }; struct sparx5_mdb_entry { struct list_head list; DECLARE_BITMAP(port_mask, SPX5_PORTS); unsigned char addr[ETH_ALEN]; bool cpu_copy; u16 vid; u16 pgid_idx; }; #define SPARX5_PTP_TIMEOUT msecs_to_jiffies(10) #define SPARX5_SKB_CB(skb) \ ((struct sparx5_skb_cb *)((skb)->cb)) struct sparx5 { struct platform_device *pdev; struct device *dev; u32 chip_id; enum spx5_target_chiptype target_ct; void __iomem *regs[NUM_TARGETS]; int port_count; struct mutex lock; /* MAC reg lock */ /* port structures are in net device */ struct sparx5_port *ports[SPX5_PORTS]; enum sparx5_core_clockfreq coreclock; /* Statistics */ u32 num_stats; u32 num_ethtool_stats; const char * const *stats_layout; u64 *stats; /* Workqueue for reading stats */ struct mutex queue_stats_lock; struct delayed_work stats_work; struct workqueue_struct *stats_queue; /* Notifiers */ struct notifier_block netdevice_nb; struct notifier_block switchdev_nb; struct notifier_block switchdev_blocking_nb; /* Switch state */ u8 base_mac[ETH_ALEN]; /* Associated bridge device (when bridged) */ struct net_device *hw_bridge_dev; /* Bridged interfaces */ DECLARE_BITMAP(bridge_mask, SPX5_PORTS); DECLARE_BITMAP(bridge_fwd_mask, SPX5_PORTS); DECLARE_BITMAP(bridge_lrn_mask, SPX5_PORTS); DECLARE_BITMAP(vlan_mask[VLAN_N_VID], SPX5_PORTS); /* SW MAC table */ struct list_head mact_entries; /* mac table list (mact_entries) mutex */ struct mutex mact_lock; /* SW MDB table */ struct list_head mdb_entries; /* mdb list mutex */ struct mutex mdb_lock; struct delayed_work mact_work; struct workqueue_struct *mact_queue; /* Board specifics */ bool sd_sgpio_remapping; /* Register based inj/xtr */ int xtr_irq; /* Frame DMA */ int fdma_irq; struct sparx5_rx rx; struct sparx5_tx tx; /* PTP */ bool ptp; struct sparx5_phc phc[SPARX5_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; int ptp_irq; /* VCAP */ struct vcap_control *vcap_ctrl; /* PGID allocation map */ u8 pgid_map[PGID_TABLE_SIZE]; /* Common root for debugfs */ struct dentry *debugfs_root; }; /* sparx5_switchdev.c */ int sparx5_register_notifier_blocks(struct sparx5 *sparx5); void sparx5_unregister_notifier_blocks(struct sparx5 *sparx5); /* sparx5_packet.c */ struct frame_info { int src_port; u32 timestamp; }; void sparx5_xtr_flush(struct sparx5 *sparx5, u8 grp); void sparx5_ifh_parse(u32 *ifh, struct frame_info *info); irqreturn_t sparx5_xtr_handler(int irq, void *_priv); netdev_tx_t sparx5_port_xmit_impl(struct sk_buff *skb, struct net_device *dev); int sparx5_manual_injection_mode(struct sparx5 *sparx5); void sparx5_port_inj_timer_setup(struct sparx5_port *port); /* sparx5_fdma.c */ int sparx5_fdma_start(struct sparx5 *sparx5); int sparx5_fdma_stop(struct sparx5 *sparx5); int sparx5_fdma_xmit(struct sparx5 *sparx5, u32 *ifh, struct sk_buff *skb); irqreturn_t sparx5_fdma_handler(int irq, void *args); /* sparx5_mactable.c */ void sparx5_mact_pull_work(struct work_struct *work); int sparx5_mact_learn(struct sparx5 *sparx5, int port, const unsigned char mac[ETH_ALEN], u16 vid); bool sparx5_mact_getnext(struct sparx5 *sparx5, unsigned char mac[ETH_ALEN], u16 *vid, u32 *pcfg2); int sparx5_mact_find(struct sparx5 *sparx5, const unsigned char mac[ETH_ALEN], u16 vid, u32 *pcfg2); int sparx5_mact_forget(struct sparx5 *sparx5, const unsigned char mac[ETH_ALEN], u16 vid); int sparx5_add_mact_entry(struct sparx5 *sparx5, struct net_device *dev, u16 portno, const unsigned char *addr, u16 vid); int sparx5_del_mact_entry(struct sparx5 *sparx5, const unsigned char *addr, u16 vid); int sparx5_mc_sync(struct net_device *dev, const unsigned char *addr); int sparx5_mc_unsync(struct net_device *dev, const unsigned char *addr); void sparx5_set_ageing(struct sparx5 *sparx5, int msecs); void sparx5_mact_init(struct sparx5 *sparx5); /* sparx5_vlan.c */ void sparx5_pgid_update_mask(struct sparx5_port *port, int pgid, bool enable); void sparx5_pgid_clear(struct sparx5 *spx5, int pgid); void sparx5_pgid_read_mask(struct sparx5 *sparx5, int pgid, u32 portmask[3]); void sparx5_update_fwd(struct sparx5 *sparx5); void sparx5_vlan_init(struct sparx5 *sparx5); void sparx5_vlan_port_setup(struct sparx5 *sparx5, int portno); int sparx5_vlan_vid_add(struct sparx5_port *port, u16 vid, bool pvid, bool untagged); int sparx5_vlan_vid_del(struct sparx5_port *port, u16 vid); void sparx5_vlan_port_apply(struct sparx5 *sparx5, struct sparx5_port *port); /* sparx5_calendar.c */ int sparx5_config_auto_calendar(struct sparx5 *sparx5); int sparx5_config_dsm_calendar(struct sparx5 *sparx5); /* sparx5_ethtool.c */ void sparx5_get_stats64(struct net_device *ndev, struct rtnl_link_stats64 *stats); int sparx_stats_init(struct sparx5 *sparx5); /* sparx5_dcb.c */ #ifdef CONFIG_SPARX5_DCB int sparx5_dcb_init(struct sparx5 *sparx5); #else static inline int sparx5_dcb_init(struct sparx5 *sparx5) { return 0; } #endif /* sparx5_netdev.c */ void sparx5_set_port_ifh_timestamp(void *ifh_hdr, u64 timestamp); void sparx5_set_port_ifh_rew_op(void *ifh_hdr, u32 rew_op); void sparx5_set_port_ifh_pdu_type(void *ifh_hdr, u32 pdu_type); void sparx5_set_port_ifh_pdu_w16_offset(void *ifh_hdr, u32 pdu_w16_offset); void sparx5_set_port_ifh(void *ifh_hdr, u16 portno); bool sparx5_netdevice_check(const struct net_device *dev); struct net_device *sparx5_create_netdev(struct sparx5 *sparx5, u32 portno); int sparx5_register_netdevs(struct sparx5 *sparx5); void sparx5_destroy_netdevs(struct sparx5 *sparx5); void sparx5_unregister_netdevs(struct sparx5 *sparx5); /* sparx5_ptp.c */ int sparx5_ptp_init(struct sparx5 *sparx5); void sparx5_ptp_deinit(struct sparx5 *sparx5); int sparx5_ptp_hwtstamp_set(struct sparx5_port *port, struct ifreq *ifr); int sparx5_ptp_hwtstamp_get(struct sparx5_port *port, struct ifreq *ifr); void sparx5_ptp_rxtstamp(struct sparx5 *sparx5, struct sk_buff *skb, u64 timestamp); int sparx5_ptp_txtstamp_request(struct sparx5_port *port, struct sk_buff *skb); void sparx5_ptp_txtstamp_release(struct sparx5_port *port, struct sk_buff *skb); irqreturn_t sparx5_ptp_irq_handler(int irq, void *args); /* sparx5_vcap_impl.c */ int sparx5_vcap_init(struct sparx5 *sparx5); void sparx5_vcap_destroy(struct sparx5 *sparx5); /* sparx5_pgid.c */ enum sparx5_pgid_type { SPX5_PGID_FREE, SPX5_PGID_RESERVED, SPX5_PGID_MULTICAST, }; void sparx5_pgid_init(struct sparx5 *spx5); int sparx5_pgid_alloc_glag(struct sparx5 *spx5, u16 *idx); int sparx5_pgid_alloc_mcast(struct sparx5 *spx5, u16 *idx); int sparx5_pgid_free(struct sparx5 *spx5, u16 idx); /* Clock period in picoseconds */ static inline u32 sparx5_clk_period(enum sparx5_core_clockfreq cclock) { switch (cclock) { case SPX5_CORE_CLOCK_250MHZ: return 4000; case SPX5_CORE_CLOCK_500MHZ: return 2000; case SPX5_CORE_CLOCK_625MHZ: default: return 1600; } } static inline bool sparx5_is_baser(phy_interface_t interface) { return interface == PHY_INTERFACE_MODE_5GBASER || interface == PHY_INTERFACE_MODE_10GBASER || interface == PHY_INTERFACE_MODE_25GBASER; } extern const struct phylink_mac_ops sparx5_phylink_mac_ops; extern const struct phylink_pcs_ops sparx5_phylink_pcs_ops; extern const struct ethtool_ops sparx5_ethtool_ops; extern const struct dcbnl_rtnl_ops sparx5_dcbnl_ops; /* Calculate raw offset */ static inline __pure int spx5_offset(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 gbase + ((ginst) * gwidth) + raddr + ((rinst) * rwidth); } /* Read, Write and modify registers content. * The register definition macros start at the id */ static inline void __iomem *spx5_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 void __iomem *spx5_inst_addr(void __iomem *base, int gbase, int ginst, int gcnt, int gwidth, int raddr, int rinst, int rcnt, int rwidth) { WARN_ON((ginst) >= gcnt); WARN_ON((rinst) >= rcnt); return base + gbase + ((ginst) * gwidth) + raddr + ((rinst) * rwidth); } static inline u32 spx5_rd(struct sparx5 *sparx5, int id, int tinst, int tcnt, int gbase, int ginst, int gcnt, int gwidth, int raddr, int rinst, int rcnt, int rwidth) { return readl(spx5_addr(sparx5->regs, id, tinst, tcnt, gbase, ginst, gcnt, gwidth, raddr, rinst, rcnt, rwidth)); } static inline u32 spx5_inst_rd(void __iomem *iomem, int id, int tinst, int tcnt, int gbase, int ginst, int gcnt, int gwidth, int raddr, int rinst, int rcnt, int rwidth) { return readl(spx5_inst_addr(iomem, gbase, ginst, gcnt, gwidth, raddr, rinst, rcnt, rwidth)); } static inline void spx5_wr(u32 val, struct sparx5 *sparx5, int id, int tinst, int tcnt, int gbase, int ginst, int gcnt, int gwidth, int raddr, int rinst, int rcnt, int rwidth) { writel(val, spx5_addr(sparx5->regs, id, tinst, tcnt, gbase, ginst, gcnt, gwidth, raddr, rinst, rcnt, rwidth)); } static inline void spx5_inst_wr(u32 val, void __iomem *iomem, int id, int tinst, int tcnt, int gbase, int ginst, int gcnt, int gwidth, int raddr, int rinst, int rcnt, int rwidth) { writel(val, spx5_inst_addr(iomem, gbase, ginst, gcnt, gwidth, raddr, rinst, rcnt, rwidth)); } static inline void spx5_rmw(u32 val, u32 mask, struct sparx5 *sparx5, 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(spx5_addr(sparx5->regs, id, tinst, tcnt, gbase, ginst, gcnt, gwidth, raddr, rinst, rcnt, rwidth)); nval = (nval & ~mask) | (val & mask); writel(nval, spx5_addr(sparx5->regs, id, tinst, tcnt, gbase, ginst, gcnt, gwidth, raddr, rinst, rcnt, rwidth)); } static inline void spx5_inst_rmw(u32 val, u32 mask, void __iomem *iomem, 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(spx5_inst_addr(iomem, gbase, ginst, gcnt, gwidth, raddr, rinst, rcnt, rwidth)); nval = (nval & ~mask) | (val & mask); writel(nval, spx5_inst_addr(iomem, gbase, ginst, gcnt, gwidth, raddr, rinst, rcnt, rwidth)); } static inline void __iomem *spx5_inst_get(struct sparx5 *sparx5, int id, int tinst) { return sparx5->regs[id + tinst]; } static inline void __iomem *spx5_reg_get(struct sparx5 *sparx5, int id, int tinst, int tcnt, int gbase, int ginst, int gcnt, int gwidth, int raddr, int rinst, int rcnt, int rwidth) { return spx5_addr(sparx5->regs, id, tinst, tcnt, gbase, ginst, gcnt, gwidth, raddr, rinst, rcnt, rwidth); } #endif /* __SPARX5_MAIN_H__ */
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