diff options
Diffstat (limited to 'include/net/dsa.h')
| -rw-r--r-- | include/net/dsa.h | 263 |
1 files changed, 133 insertions, 130 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h index 96086289aa9b..cced1a866757 100644 --- a/include/net/dsa.h +++ b/include/net/dsa.h @@ -24,9 +24,6 @@ struct dsa_8021q_context; struct tc_action; -struct phy_device; -struct fixed_phy_status; -struct phylink_link_state; #define DSA_TAG_PROTO_NONE_VALUE 0 #define DSA_TAG_PROTO_BRCM_VALUE 1 @@ -56,11 +53,16 @@ struct phylink_link_state; #define DSA_TAG_PROTO_RTL8_4T_VALUE 25 #define DSA_TAG_PROTO_RZN1_A5PSW_VALUE 26 #define DSA_TAG_PROTO_LAN937X_VALUE 27 +#define DSA_TAG_PROTO_VSC73XX_8021Q_VALUE 28 +#define DSA_TAG_PROTO_BRCM_LEGACY_FCS_VALUE 29 +#define DSA_TAG_PROTO_YT921X_VALUE 30 +#define DSA_TAG_PROTO_MXL_GSW1XX_VALUE 31 enum dsa_tag_protocol { DSA_TAG_PROTO_NONE = DSA_TAG_PROTO_NONE_VALUE, DSA_TAG_PROTO_BRCM = DSA_TAG_PROTO_BRCM_VALUE, DSA_TAG_PROTO_BRCM_LEGACY = DSA_TAG_PROTO_BRCM_LEGACY_VALUE, + DSA_TAG_PROTO_BRCM_LEGACY_FCS = DSA_TAG_PROTO_BRCM_LEGACY_FCS_VALUE, DSA_TAG_PROTO_BRCM_PREPEND = DSA_TAG_PROTO_BRCM_PREPEND_VALUE, DSA_TAG_PROTO_DSA = DSA_TAG_PROTO_DSA_VALUE, DSA_TAG_PROTO_EDSA = DSA_TAG_PROTO_EDSA_VALUE, @@ -86,6 +88,9 @@ enum dsa_tag_protocol { DSA_TAG_PROTO_RTL8_4T = DSA_TAG_PROTO_RTL8_4T_VALUE, DSA_TAG_PROTO_RZN1_A5PSW = DSA_TAG_PROTO_RZN1_A5PSW_VALUE, DSA_TAG_PROTO_LAN937X = DSA_TAG_PROTO_LAN937X_VALUE, + DSA_TAG_PROTO_VSC73XX_8021Q = DSA_TAG_PROTO_VSC73XX_8021Q_VALUE, + DSA_TAG_PROTO_YT921X = DSA_TAG_PROTO_YT921X_VALUE, + DSA_TAG_PROTO_MXL_GSW1XX = DSA_TAG_PROTO_MXL_GSW1XX_VALUE, }; struct dsa_switch; @@ -102,21 +107,11 @@ struct dsa_device_ops { const char *name; enum dsa_tag_protocol proto; /* Some tagging protocols either mangle or shift the destination MAC - * address, in which case the DSA master would drop packets on ingress + * address, in which case the DSA conduit would drop packets on ingress * if what it understands out of the destination MAC address is not in * its RX filter. */ - bool promisc_on_master; -}; - -/* This structure defines the control interfaces that are overlayed by the - * DSA layer on top of the DSA CPU/management net_device instance. This is - * used by the core net_device layer while calling various net_device_ops - * function pointers. - */ -struct dsa_netdevice_ops { - int (*ndo_eth_ioctl)(struct net_device *dev, struct ifreq *ifr, - int cmd); + bool promisc_on_conduit; }; struct dsa_lag { @@ -246,12 +241,12 @@ struct dsa_bridge { }; struct dsa_port { - /* A CPU port is physically connected to a master device. - * A user port exposed to userspace has a slave device. + /* A CPU port is physically connected to a conduit device. A user port + * exposes a network device to user-space, called 'user' here. */ union { - struct net_device *master; - struct net_device *slave; + struct net_device *conduit; + struct net_device *user; }; /* Copy of the tagging protocol operations, for quicker access @@ -259,7 +254,7 @@ struct dsa_port { */ const struct dsa_device_ops *tag_ops; - /* Copies for faster access in master receive hot path */ + /* Copies for faster access in conduit receive hot path */ struct dsa_switch_tree *dst; struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev); @@ -291,9 +286,9 @@ struct dsa_port { u8 lag_tx_enabled:1; - /* Master state bits, valid only on CPU ports */ - u8 master_admin_up:1; - u8 master_oper_up:1; + /* conduit state bits, valid only on CPU ports */ + u8 conduit_admin_up:1; + u8 conduit_oper_up:1; /* Valid only on user ports */ u8 cpu_port_in_lag:1; @@ -313,15 +308,10 @@ struct dsa_port { struct list_head list; /* - * Original copy of the master netdev ethtool_ops + * Original copy of the conduit netdev ethtool_ops */ const struct ethtool_ops *orig_ethtool_ops; - /* - * Original copy of the master netdev net_device_ops - */ - const struct dsa_netdevice_ops *netdev_ops; - /* List of MAC addresses that must be forwarded on this port. * These are only valid on CPU ports and DSA links. */ @@ -329,11 +319,25 @@ struct dsa_port { struct list_head fdbs; struct list_head mdbs; - /* List of VLANs that CPU and DSA ports are members of. */ struct mutex vlans_lock; - struct list_head vlans; + union { + /* List of VLANs that CPU and DSA ports are members of. + * Access to this is serialized by the sleepable @vlans_lock. + */ + struct list_head vlans; + /* List of VLANs that user ports are members of. + * Access to this is serialized by netif_addr_lock_bh(). + */ + struct list_head user_vlans; + }; }; +static inline struct dsa_port * +dsa_phylink_to_port(struct phylink_config *config) +{ + return container_of(config, struct dsa_port, pl_config); +} + /* TODO: ideally DSA ports would have a single dp->link_dp member, * and no dst->rtable nor this struct dsa_link would be needed, * but this would require some more complex tree walking, @@ -405,14 +409,18 @@ struct dsa_switch { */ u32 configure_vlan_while_not_filtering:1; - /* If the switch driver always programs the CPU port as egress tagged - * despite the VLAN configuration indicating otherwise, then setting - * @untag_bridge_pvid will force the DSA receive path to pop the - * bridge's default_pvid VLAN tagged frames to offer a consistent - * behavior between a vlan_filtering=0 and vlan_filtering=1 bridge - * device. + /* Pop the default_pvid of VLAN-unaware bridge ports from tagged frames. + * DEPRECATED: Do NOT set this field in new drivers. Instead look at + * the dsa_software_vlan_untag() comments. */ u32 untag_bridge_pvid:1; + /* Pop the default_pvid of VLAN-aware bridge ports from tagged frames. + * Useful if the switch cannot preserve the VLAN tag as seen on the + * wire for user port ingress, and chooses to send all frames as + * VLAN-tagged to the CPU, including those which were originally + * untagged. + */ + u32 untag_vlan_aware_bridge_pvid:1; /* Let DSA manage the FDB entries towards the * CPU, based on the software bridge database. @@ -437,6 +445,11 @@ struct dsa_switch { */ u32 fdb_isolation:1; + /* Drivers that have global DSCP mapping settings must set this to + * true to automatically apply the settings to all ports. + */ + u32 dscp_prio_mapping_is_global:1; + /* Listener for switch fabric events */ struct notifier_block nb; @@ -459,10 +472,15 @@ struct dsa_switch { const struct dsa_switch_ops *ops; /* - * Slave mii_bus and devices for the individual ports. + * Allow a DSA switch driver to override the phylink MAC ops + */ + const struct phylink_mac_ops *phylink_mac_ops; + + /* + * User mii_bus and devices for the individual ports. */ u32 phys_mii_mask; - struct mii_bus *slave_mii_bus; + struct mii_bus *user_mii_bus; /* Ageing Time limits in msecs */ unsigned int ageing_time_min; @@ -527,10 +545,10 @@ static inline bool dsa_port_is_unused(struct dsa_port *dp) return dp->type == DSA_PORT_TYPE_UNUSED; } -static inline bool dsa_port_master_is_operational(struct dsa_port *dp) +static inline bool dsa_port_conduit_is_operational(struct dsa_port *dp) { - return dsa_port_is_cpu(dp) && dp->master_admin_up && - dp->master_oper_up; + return dsa_port_is_cpu(dp) && dp->conduit_admin_up && + dp->conduit_oper_up; } static inline bool dsa_is_unused_port(struct dsa_switch *ds, int p) @@ -585,6 +603,10 @@ static inline bool dsa_is_user_port(struct dsa_switch *ds, int p) dsa_switch_for_each_port((_dp), (_ds)) \ if (dsa_port_is_user((_dp))) +#define dsa_switch_for_each_user_port_continue_reverse(_dp, _ds) \ + dsa_switch_for_each_port_continue_reverse((_dp), (_ds)) \ + if (dsa_port_is_user((_dp))) + #define dsa_switch_for_each_cpu_port(_dp, _ds) \ dsa_switch_for_each_port((_dp), (_ds)) \ if (dsa_port_is_cpu((_dp))) @@ -720,12 +742,12 @@ static inline bool dsa_port_offloads_lag(struct dsa_port *dp, return dsa_port_lag_dev_get(dp) == lag->dev; } -static inline struct net_device *dsa_port_to_master(const struct dsa_port *dp) +static inline struct net_device *dsa_port_to_conduit(const struct dsa_port *dp) { if (dp->cpu_port_in_lag) return dsa_port_lag_dev_get(dp->cpu_dp); - return dp->cpu_dp->master; + return dp->cpu_dp->conduit; } static inline @@ -739,7 +761,7 @@ struct net_device *dsa_port_to_bridge_port(const struct dsa_port *dp) else if (dp->hsr_dev) return dp->hsr_dev; - return dp->slave; + return dp->user; } static inline struct net_device * @@ -841,9 +863,9 @@ struct dsa_switch_ops { int (*connect_tag_protocol)(struct dsa_switch *ds, enum dsa_tag_protocol proto); - int (*port_change_master)(struct dsa_switch *ds, int port, - struct net_device *master, - struct netlink_ext_ack *extack); + int (*port_change_conduit)(struct dsa_switch *ds, int port, + struct net_device *conduit, + struct netlink_ext_ack *extack); /* Optional switch-wide initialization and destruction methods */ int (*setup)(struct dsa_switch *ds); @@ -865,36 +887,10 @@ struct dsa_switch_ops { 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_get_caps)(struct dsa_switch *ds, int port, struct phylink_config *config); - struct phylink_pcs *(*phylink_mac_select_pcs)(struct dsa_switch *ds, - int port, - phy_interface_t iface); - 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, - int speed, int duplex, - bool tx_pause, bool rx_pause); void (*phylink_fixed_state)(struct dsa_switch *ds, int port, struct phylink_link_state *state); /* @@ -916,6 +912,8 @@ struct dsa_switch_ops { void (*get_rmon_stats)(struct dsa_switch *ds, int port, struct ethtool_rmon_stats *rmon_stats, const struct ethtool_rmon_hist_range **ranges); + void (*get_ts_stats)(struct dsa_switch *ds, int port, + struct ethtool_ts_stats *ts_stats); void (*get_stats64)(struct dsa_switch *ds, int port, struct rtnl_link_stats64 *s); void (*get_pause_stats)(struct dsa_switch *ds, int port, @@ -935,7 +933,18 @@ struct dsa_switch_ops { * ethtool timestamp info */ int (*get_ts_info)(struct dsa_switch *ds, int port, - struct ethtool_ts_info *ts); + struct kernel_ethtool_ts_info *ts); + + /* + * ethtool MAC merge layer + */ + int (*get_mm)(struct dsa_switch *ds, int port, + struct ethtool_mm_state *state); + int (*set_mm)(struct dsa_switch *ds, int port, + struct ethtool_mm_cfg *cfg, + struct netlink_ext_ack *extack); + void (*get_mm_stats)(struct dsa_switch *ds, int port, + struct ethtool_mm_stats *stats); /* * DCB ops @@ -948,6 +957,10 @@ struct dsa_switch_ops { u8 prio); int (*port_del_dscp_prio)(struct dsa_switch *ds, int port, u8 dscp, u8 prio); + int (*port_set_apptrust)(struct dsa_switch *ds, int port, + const u8 *sel, int nsel); + int (*port_get_apptrust)(struct dsa_switch *ds, int port, u8 *sel, + int *nsel); /* * Suspend and resume @@ -962,13 +975,30 @@ struct dsa_switch_ops { struct phy_device *phy); void (*port_disable)(struct dsa_switch *ds, int port); + + /* + * Notification for MAC address changes on user ports. Drivers can + * currently only veto operations. They should not use the method to + * program the hardware, since the operation is not rolled back in case + * of other errors. + */ + int (*port_set_mac_address)(struct dsa_switch *ds, int port, + const unsigned char *addr); + + /* + * Compatibility between device trees defining multiple CPU ports and + * drivers which are not OK to use by default the numerically smallest + * CPU port of a switch for its local ports. This can return NULL, + * meaning "don't know/don't care". + */ + struct dsa_port *(*preferred_default_local_cpu_port)(struct dsa_switch *ds); + /* * Port's MAC EEE settings */ + bool (*support_eee)(struct dsa_switch *ds, int port); 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); + struct ethtool_keee *e); /* EEPROM access */ int (*get_eeprom_len)(struct dsa_switch *ds); @@ -1107,9 +1137,10 @@ struct dsa_switch_ops { * PTP functionality */ int (*port_hwtstamp_get)(struct dsa_switch *ds, int port, - struct ifreq *ifr); + struct kernel_hwtstamp_config *config); int (*port_hwtstamp_set)(struct dsa_switch *ds, int port, - struct ifreq *ifr); + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack); void (*port_txtstamp)(struct dsa_switch *ds, int port, struct sk_buff *skb); bool (*port_rxtstamp)(struct dsa_switch *ds, int port, @@ -1183,7 +1214,8 @@ struct dsa_switch_ops { * HSR integration */ int (*port_hsr_join)(struct dsa_switch *ds, int port, - struct net_device *hsr); + struct net_device *hsr, + struct netlink_ext_ack *extack); int (*port_hsr_leave)(struct dsa_switch *ds, int port, struct net_device *hsr); @@ -1207,11 +1239,11 @@ struct dsa_switch_ops { int (*tag_8021q_vlan_del)(struct dsa_switch *ds, int port, u16 vid); /* - * DSA master tracking operations + * DSA conduit tracking operations */ - void (*master_state_change)(struct dsa_switch *ds, - const struct net_device *master, - bool operational); + void (*conduit_state_change)(struct dsa_switch *ds, + const struct net_device *conduit, + bool operational); }; #define DSA_DEVLINK_PARAM_DRIVER(_id, _name, _type, _cmodes) \ @@ -1219,9 +1251,11 @@ struct dsa_switch_ops { dsa_devlink_param_get, dsa_devlink_param_set, NULL) int dsa_devlink_param_get(struct devlink *dl, u32 id, - struct devlink_param_gset_ctx *ctx); + struct devlink_param_gset_ctx *ctx, + struct netlink_ext_ack *extack); int dsa_devlink_param_set(struct devlink *dl, u32 id, - struct devlink_param_gset_ctx *ctx); + struct devlink_param_gset_ctx *ctx, + struct netlink_ext_ack *extack); int dsa_devlink_params_register(struct dsa_switch *ds, const struct devlink_param *params, size_t params_count); @@ -1281,11 +1315,6 @@ static inline int dsa_devlink_port_to_port(struct devlink_port *port) return port->index; } -struct dsa_switch_driver { - struct list_head list; - const struct dsa_switch_ops *ops; -}; - bool dsa_fdb_present_in_other_db(struct dsa_switch *ds, int port, const unsigned char *addr, u16 vid, struct dsa_db db); @@ -1293,6 +1322,15 @@ bool dsa_mdb_present_in_other_db(struct dsa_switch *ds, int port, const struct switchdev_obj_port_mdb *mdb, struct dsa_db db); +int dsa_port_simple_hsr_validate(struct dsa_switch *ds, int port, + struct net_device *hsr, + struct netlink_ext_ack *extack); +int dsa_port_simple_hsr_join(struct dsa_switch *ds, int port, + struct net_device *hsr, + struct netlink_ext_ack *extack); +int dsa_port_simple_hsr_leave(struct dsa_switch *ds, int port, + struct net_device *hsr); + /* Keep inline for faster access in hot path */ static inline bool netdev_uses_dsa(const struct net_device *dev) { @@ -1328,42 +1366,6 @@ static inline void dsa_tag_generic_flow_dissect(const struct sk_buff *skb, #endif } -#if IS_ENABLED(CONFIG_NET_DSA) -static inline int __dsa_netdevice_ops_check(struct net_device *dev) -{ - int err = -EOPNOTSUPP; - - if (!dev->dsa_ptr) - return err; - - if (!dev->dsa_ptr->netdev_ops) - return err; - - return 0; -} - -static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, - int cmd) -{ - const struct dsa_netdevice_ops *ops; - int err; - - err = __dsa_netdevice_ops_check(dev); - if (err) - return err; - - ops = dev->dsa_ptr->netdev_ops; - - return ops->ndo_eth_ioctl(dev, ifr, cmd); -} -#else -static inline int dsa_ndo_eth_ioctl(struct net_device *dev, struct ifreq *ifr, - int cmd) -{ - return -EOPNOTSUPP; -} -#endif - void dsa_unregister_switch(struct dsa_switch *ds); int dsa_register_switch(struct dsa_switch *ds); void dsa_switch_shutdown(struct dsa_switch *ds); @@ -1384,9 +1386,9 @@ static inline int dsa_switch_resume(struct dsa_switch *ds) #endif /* CONFIG_PM_SLEEP */ #if IS_ENABLED(CONFIG_NET_DSA) -bool dsa_slave_dev_check(const struct net_device *dev); +bool dsa_user_dev_check(const struct net_device *dev); #else -static inline bool dsa_slave_dev_check(const struct net_device *dev) +static inline bool dsa_user_dev_check(const struct net_device *dev) { return false; } @@ -1394,5 +1396,6 @@ static inline bool dsa_slave_dev_check(const struct net_device *dev) netdev_tx_t dsa_enqueue_skb(struct sk_buff *skb, struct net_device *dev); void dsa_port_phylink_mac_change(struct dsa_switch *ds, int port, bool up); +bool dsa_supports_eee(struct dsa_switch *ds, int port); #endif |