| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Florian Fainelli | 1029 | 40.43% | 34 | 27.87% |
| Vivien Didelot | 665 | 26.13% | 47 | 38.52% |
| Ben Hutchings | 227 | 8.92% | 2 | 1.64% |
| Andrew Lunn | 166 | 6.52% | 16 | 13.11% |
| Guenter Roeck | 128 | 5.03% | 3 | 2.46% |
| Brandon Streiff | 116 | 4.56% | 2 | 1.64% |
| John Crispin | 70 | 2.75% | 3 | 2.46% |
| Lennert Buytenhek | 61 | 2.40% | 2 | 1.64% |
| Arkadi Sharshevsky | 37 | 1.45% | 3 | 2.46% |
| Alexander Duyck | 15 | 0.59% | 2 | 1.64% |
| Salvatore Mesoraca | 9 | 0.35% | 1 | 0.82% |
| Russell King | 9 | 0.35% | 1 | 0.82% |
| Axel Lin | 3 | 0.12% | 1 | 0.82% |
| David S. Miller | 3 | 0.12% | 1 | 0.82% |
| Sean Wang | 2 | 0.08% | 1 | 0.82% |
| Woojung Huh | 2 | 0.08% | 1 | 0.82% |
| Hauke Mehrtens | 2 | 0.08% | 1 | 0.82% |
| Juergen Beisert (or Jourgen Borleis) | 1 | 0.04% | 1 | 0.82% |
| Total | 2545 | 122 |
/* * include/net/dsa.h - Driver for Distributed Switch Architecture switch chips * Copyright (c) 2008-2009 Marvell Semiconductor * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ #ifndef __LINUX_NET_DSA_H #define __LINUX_NET_DSA_H #include <linux/if.h> #include <linux/if_ether.h> #include <linux/list.h> #include <linux/notifier.h> #include <linux/timer.h> #include <linux/workqueue.h> #include <linux/of.h> #include <linux/ethtool.h> #include <linux/net_tstamp.h> #include <linux/phy.h> #include <net/devlink.h> #include <net/switchdev.h> struct tc_action; struct phy_device; struct fixed_phy_status; struct phylink_link_state; enum dsa_tag_protocol { DSA_TAG_PROTO_NONE = 0, DSA_TAG_PROTO_BRCM, DSA_TAG_PROTO_BRCM_PREPEND, DSA_TAG_PROTO_DSA, DSA_TAG_PROTO_EDSA, DSA_TAG_PROTO_GSWIP, DSA_TAG_PROTO_KSZ, DSA_TAG_PROTO_LAN9303, DSA_TAG_PROTO_MTK, DSA_TAG_PROTO_QCA, DSA_TAG_PROTO_TRAILER, DSA_TAG_LAST, /* MUST BE LAST */ }; #define DSA_MAX_SWITCHES 4 #define DSA_MAX_PORTS 12 #define DSA_RTABLE_NONE -1 struct dsa_chip_data { /* * How to access the switch configuration registers. */ struct device *host_dev; int sw_addr; /* * Reference to network devices */ struct device *netdev[DSA_MAX_PORTS]; /* set to size of eeprom if supported by the switch */ int eeprom_len; /* Device tree node pointer for this specific switch chip * used during switch setup in case additional properties * and resources needs to be used */ struct device_node *of_node; /* * The names of the switch's ports. Use "cpu" to * designate the switch port that the cpu is connected to, * "dsa" to indicate that this port is a DSA link to * another switch, NULL to indicate the port is unused, * or any other string to indicate this is a physical port. */ char *port_names[DSA_MAX_PORTS]; struct device_node *port_dn[DSA_MAX_PORTS]; /* * An array of which element [a] indicates which port on this * switch should be used to send packets to that are destined * for switch a. Can be NULL if there is only one switch chip. */ s8 rtable[DSA_MAX_SWITCHES]; }; struct dsa_platform_data { /* * Reference to a Linux network interface that connects * to the root switch chip of the tree. */ struct device *netdev; struct net_device *of_netdev; /* * Info structs describing each of the switch chips * connected via this network interface. */ int nr_chips; struct dsa_chip_data *chip; }; struct packet_type; struct dsa_switch; struct dsa_device_ops { struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev); struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt); int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto, int *offset); }; struct dsa_switch_tree { struct list_head list; /* Notifier chain for switch-wide events */ struct raw_notifier_head nh; /* Tree identifier */ unsigned int index; /* Number of switches attached to this tree */ struct kref refcount; /* Has this tree been applied to the hardware? */ bool setup; /* * Configuration data for the platform device that owns * this dsa switch tree instance. */ struct dsa_platform_data *pd; /* * The switch port to which the CPU is attached. */ struct dsa_port *cpu_dp; /* * Data for the individual switch chips. */ struct dsa_switch *ds[DSA_MAX_SWITCHES]; }; /* TC matchall action types, only mirroring for now */ enum dsa_port_mall_action_type { DSA_PORT_MALL_MIRROR, }; /* TC mirroring entry */ struct dsa_mall_mirror_tc_entry { u8 to_local_port; bool ingress; }; /* TC matchall entry */ struct dsa_mall_tc_entry { struct list_head list; unsigned long cookie; enum dsa_port_mall_action_type type; union { struct dsa_mall_mirror_tc_entry mirror; }; }; struct dsa_port { /* A CPU port is physically connected to a master device. * A user port exposed to userspace has a slave device. */ union { struct net_device *master; struct net_device *slave; }; /* CPU port tagging operations used by master or slave devices */ const struct dsa_device_ops *tag_ops; /* Copies for faster access in master receive hot path */ struct dsa_switch_tree *dst; struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt); enum { DSA_PORT_TYPE_UNUSED = 0, DSA_PORT_TYPE_CPU, DSA_PORT_TYPE_DSA, DSA_PORT_TYPE_USER, } type; struct dsa_switch *ds; unsigned int index; const char *name; const struct dsa_port *cpu_dp; struct device_node *dn; unsigned int ageing_time; u8 stp_state; struct net_device *bridge_dev; struct devlink_port devlink_port; struct phylink *pl; /* * Original copy of the master netdev ethtool_ops */ const struct ethtool_ops *orig_ethtool_ops; }; struct dsa_switch { struct device *dev; /* * Parent switch tree, and switch index. */ struct dsa_switch_tree *dst; unsigned int index; /* Listener for switch fabric events */ struct notifier_block nb; /* * Give the switch driver somewhere to hang its private data * structure. */ void *priv; /* * Configuration data for this switch. */ struct dsa_chip_data *cd; /* * The switch operations. */ const struct dsa_switch_ops *ops; /* * An array of which element [a] indicates which port on this * switch should be used to send packets to that are destined * for switch a. Can be NULL if there is only one switch chip. */ s8 rtable[DSA_MAX_SWITCHES]; /* * Slave mii_bus and devices for the individual ports. */ u32 phys_mii_mask; struct mii_bus *slave_mii_bus; /* Ageing Time limits in msecs */ unsigned int ageing_time_min; unsigned int ageing_time_max; /* devlink used to represent this switch device */ struct devlink *devlink; /* Number of switch port queues */ unsigned int num_tx_queues; unsigned long *bitmap; unsigned long _bitmap; /* Dynamically allocated ports, keep last */ size_t num_ports; struct dsa_port ports[]; }; static inline const struct dsa_port *dsa_to_port(struct dsa_switch *ds, int p) { return &ds->ports[p]; } static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) { return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_UNUSED; } static inline bool dsa_is_cpu_port(struct dsa_switch *ds, int p) { return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_CPU; } static inline bool dsa_is_dsa_port(struct dsa_switch *ds, int p) { return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_DSA; } static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) { return dsa_to_port(ds, p)->type == DSA_PORT_TYPE_USER; } static inline u32 dsa_user_ports(struct dsa_switch *ds) { u32 mask = 0; int p; for (p = 0; p < ds->num_ports; p++) if (dsa_is_user_port(ds, p)) mask |= BIT(p); return mask; } /* Return the local port used to reach an arbitrary switch port */ static inline unsigned int dsa_towards_port(struct dsa_switch *ds, int device, int port) { if (device == ds->index) return port; else return ds->rtable[device]; } /* Return the local port used to reach the dedicated CPU port */ static inline unsigned int dsa_upstream_port(struct dsa_switch *ds, int port) { const struct dsa_port *dp = dsa_to_port(ds, port); const struct dsa_port *cpu_dp = dp->cpu_dp; if (!cpu_dp) return port; return dsa_towards_port(ds, cpu_dp->ds->index, cpu_dp->index); } typedef int dsa_fdb_dump_cb_t(const unsigned char *addr, u16 vid, bool is_static, void *data); struct dsa_switch_ops { #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) /* * Legacy probing. */ const char *(*probe)(struct device *dsa_dev, struct device *host_dev, int sw_addr, void **priv); #endif enum dsa_tag_protocol (*get_tag_protocol)(struct dsa_switch *ds, int port); int (*setup)(struct dsa_switch *ds); u32 (*get_phy_flags)(struct dsa_switch *ds, int port); /* * Access to the switch's PHY registers. */ int (*phy_read)(struct dsa_switch *ds, int port, int regnum); int (*phy_write)(struct dsa_switch *ds, int port, int regnum, u16 val); /* * Link state adjustment (called from libphy) */ void (*adjust_link)(struct dsa_switch *ds, int port, struct phy_device *phydev); void (*fixed_link_update)(struct dsa_switch *ds, int port, struct fixed_phy_status *st); /* * PHYLINK integration */ void (*phylink_validate)(struct dsa_switch *ds, int port, unsigned long *supported, struct phylink_link_state *state); int (*phylink_mac_link_state)(struct dsa_switch *ds, int port, struct phylink_link_state *state); void (*phylink_mac_config)(struct dsa_switch *ds, int port, unsigned int mode, const struct phylink_link_state *state); void (*phylink_mac_an_restart)(struct dsa_switch *ds, int port); void (*phylink_mac_link_down)(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface); void (*phylink_mac_link_up)(struct dsa_switch *ds, int port, unsigned int mode, phy_interface_t interface, struct phy_device *phydev); void (*phylink_fixed_state)(struct dsa_switch *ds, int port, struct phylink_link_state *state); /* * ethtool hardware statistics. */ void (*get_strings)(struct dsa_switch *ds, int port, u32 stringset, uint8_t *data); void (*get_ethtool_stats)(struct dsa_switch *ds, int port, uint64_t *data); int (*get_sset_count)(struct dsa_switch *ds, int port, int sset); void (*get_ethtool_phy_stats)(struct dsa_switch *ds, int port, uint64_t *data); /* * ethtool Wake-on-LAN */ void (*get_wol)(struct dsa_switch *ds, int port, struct ethtool_wolinfo *w); int (*set_wol)(struct dsa_switch *ds, int port, struct ethtool_wolinfo *w); /* * ethtool timestamp info */ int (*get_ts_info)(struct dsa_switch *ds, int port, struct ethtool_ts_info *ts); /* * Suspend and resume */ int (*suspend)(struct dsa_switch *ds); int (*resume)(struct dsa_switch *ds); /* * Port enable/disable */ int (*port_enable)(struct dsa_switch *ds, int port, struct phy_device *phy); void (*port_disable)(struct dsa_switch *ds, int port, struct phy_device *phy); /* * Port's MAC EEE settings */ int (*set_mac_eee)(struct dsa_switch *ds, int port, struct ethtool_eee *e); int (*get_mac_eee)(struct dsa_switch *ds, int port, struct ethtool_eee *e); /* EEPROM access */ int (*get_eeprom_len)(struct dsa_switch *ds); int (*get_eeprom)(struct dsa_switch *ds, struct ethtool_eeprom *eeprom, u8 *data); int (*set_eeprom)(struct dsa_switch *ds, struct ethtool_eeprom *eeprom, u8 *data); /* * Register access. */ int (*get_regs_len)(struct dsa_switch *ds, int port); void (*get_regs)(struct dsa_switch *ds, int port, struct ethtool_regs *regs, void *p); /* * Bridge integration */ int (*set_ageing_time)(struct dsa_switch *ds, unsigned int msecs); int (*port_bridge_join)(struct dsa_switch *ds, int port, struct net_device *bridge); void (*port_bridge_leave)(struct dsa_switch *ds, int port, struct net_device *bridge); void (*port_stp_state_set)(struct dsa_switch *ds, int port, u8 state); void (*port_fast_age)(struct dsa_switch *ds, int port); /* * VLAN support */ int (*port_vlan_filtering)(struct dsa_switch *ds, int port, bool vlan_filtering); int (*port_vlan_prepare)(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan); void (*port_vlan_add)(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan); int (*port_vlan_del)(struct dsa_switch *ds, int port, const struct switchdev_obj_port_vlan *vlan); /* * Forwarding database */ int (*port_fdb_add)(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid); int (*port_fdb_del)(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid); int (*port_fdb_dump)(struct dsa_switch *ds, int port, dsa_fdb_dump_cb_t *cb, void *data); /* * Multicast database */ int (*port_mdb_prepare)(struct dsa_switch *ds, int port, const struct switchdev_obj_port_mdb *mdb); void (*port_mdb_add)(struct dsa_switch *ds, int port, const struct switchdev_obj_port_mdb *mdb); int (*port_mdb_del)(struct dsa_switch *ds, int port, const struct switchdev_obj_port_mdb *mdb); /* * RXNFC */ int (*get_rxnfc)(struct dsa_switch *ds, int port, struct ethtool_rxnfc *nfc, u32 *rule_locs); int (*set_rxnfc)(struct dsa_switch *ds, int port, struct ethtool_rxnfc *nfc); /* * TC integration */ int (*port_mirror_add)(struct dsa_switch *ds, int port, struct dsa_mall_mirror_tc_entry *mirror, bool ingress); void (*port_mirror_del)(struct dsa_switch *ds, int port, struct dsa_mall_mirror_tc_entry *mirror); /* * Cross-chip operations */ int (*crosschip_bridge_join)(struct dsa_switch *ds, int sw_index, int port, struct net_device *br); void (*crosschip_bridge_leave)(struct dsa_switch *ds, int sw_index, int port, struct net_device *br); /* * PTP functionality */ int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, struct ifreq *ifr); int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, struct ifreq *ifr); bool (*port_txtstamp)(struct dsa_switch *ds, int port, struct sk_buff *clone, unsigned int type); bool (*port_rxtstamp)(struct dsa_switch *ds, int port, struct sk_buff *skb, unsigned int type); }; struct dsa_switch_driver { struct list_head list; const struct dsa_switch_ops *ops; }; #if IS_ENABLED(CONFIG_NET_DSA_LEGACY) /* Legacy driver registration */ void register_switch_driver(struct dsa_switch_driver *type); void unregister_switch_driver(struct dsa_switch_driver *type); struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev); #else static inline void register_switch_driver(struct dsa_switch_driver *type) { } static inline void unregister_switch_driver(struct dsa_switch_driver *type) { } static inline struct mii_bus *dsa_host_dev_to_mii_bus(struct device *dev) { return NULL; } #endif struct net_device *dsa_dev_to_net_device(struct device *dev); /* Keep inline for faster access in hot path */ static inline bool netdev_uses_dsa(struct net_device *dev) { #if IS_ENABLED(CONFIG_NET_DSA) return dev->dsa_ptr && dev->dsa_ptr->rcv; #endif return false; } struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n); void dsa_unregister_switch(struct dsa_switch *ds); int dsa_register_switch(struct dsa_switch *ds); #ifdef CONFIG_PM_SLEEP int dsa_switch_suspend(struct dsa_switch *ds); int dsa_switch_resume(struct dsa_switch *ds); #else static inline int dsa_switch_suspend(struct dsa_switch *ds) { return 0; } static inline int dsa_switch_resume(struct dsa_switch *ds) { return 0; } #endif /* CONFIG_PM_SLEEP */ enum dsa_notifier_type { DSA_PORT_REGISTER, DSA_PORT_UNREGISTER, }; struct dsa_notifier_info { struct net_device *dev; }; struct dsa_notifier_register_info { struct dsa_notifier_info info; /* must be first */ struct net_device *master; unsigned int port_number; unsigned int switch_number; }; static inline struct net_device * dsa_notifier_info_to_dev(const struct dsa_notifier_info *info) { return info->dev; } #if IS_ENABLED(CONFIG_NET_DSA) int register_dsa_notifier(struct notifier_block *nb); int unregister_dsa_notifier(struct notifier_block *nb); int call_dsa_notifiers(unsigned long val, struct net_device *dev, struct dsa_notifier_info *info); #else static inline int register_dsa_notifier(struct notifier_block *nb) { return 0; } static inline int unregister_dsa_notifier(struct notifier_block *nb) { return 0; } static inline int call_dsa_notifiers(unsigned long val, struct net_device *dev, struct dsa_notifier_info *info) { return NOTIFY_DONE; } #endif /* Broadcom tag specific helpers to insert and extract queue/port number */ #define BRCM_TAG_SET_PORT_QUEUE(p, q) ((p) << 8 | q) #define BRCM_TAG_GET_PORT(v) ((v) >> 8) #define BRCM_TAG_GET_QUEUE(v) ((v) & 0xff) int dsa_port_get_phy_strings(struct dsa_port *dp, uint8_t *data); int dsa_port_get_ethtool_phy_stats(struct dsa_port *dp, uint64_t *data); int dsa_port_get_phy_sset_count(struct dsa_port *dp); void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); #endif
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