/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef _BR_PRIVATE_MRP_H_ #define _BR_PRIVATE_MRP_H_ #include "br_private.h" #include <uapi/linux/mrp_bridge.h> #define MRP_OPT_PADDING 0x2 struct br_mrp { /* list of mrp instances */ struct hlist_node list; struct net_bridge_port __rcu *p_port; struct net_bridge_port __rcu *s_port; struct net_bridge_port __rcu *i_port; u32 ring_id; u16 in_id; u16 prio; enum br_mrp_ring_role_type ring_role; u8 ring_role_offloaded; enum br_mrp_ring_state_type ring_state; u32 ring_transitions; enum br_mrp_in_role_type in_role; u8 in_role_offloaded; enum br_mrp_in_state_type in_state; u32 in_transitions; struct delayed_work test_work; u32 test_interval; unsigned long test_end; u32 test_count_miss; u32 test_max_miss; bool test_monitor; struct delayed_work in_test_work; u32 in_test_interval; unsigned long in_test_end; u32 in_test_count_miss; u32 in_test_max_miss; u32 seq_id; struct rcu_head rcu; }; /* This type is returned by br_mrp_switchdev functions that allow to have a SW * backup in case the HW can't implement completely the protocol. * BR_MRP_NONE - means the HW can't run at all the protocol, so the SW stops * configuring the node anymore. * BR_MRP_SW - the HW can help the SW to run the protocol, by redirecting MRP * frames to CPU. * BR_MRP_HW - the HW can implement completely the protocol. */ enum br_mrp_hw_support { BR_MRP_NONE, BR_MRP_SW, BR_MRP_HW, }; /* br_mrp.c */ int br_mrp_add(struct net_bridge *br, struct br_mrp_instance *instance); int br_mrp_del(struct net_bridge *br, struct br_mrp_instance *instance); int br_mrp_set_port_state(struct net_bridge_port *p, enum br_mrp_port_state_type state); int br_mrp_set_port_role(struct net_bridge_port *p, enum br_mrp_port_role_type role); int br_mrp_set_ring_state(struct net_bridge *br, struct br_mrp_ring_state *state); int br_mrp_set_ring_role(struct net_bridge *br, struct br_mrp_ring_role *role); int br_mrp_start_test(struct net_bridge *br, struct br_mrp_start_test *test); int br_mrp_set_in_state(struct net_bridge *br, struct br_mrp_in_state *state); int br_mrp_set_in_role(struct net_bridge *br, struct br_mrp_in_role *role); int br_mrp_start_in_test(struct net_bridge *br, struct br_mrp_start_in_test *test); /* br_mrp_switchdev.c */ int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp); int br_mrp_switchdev_del(struct net_bridge *br, struct br_mrp *mrp); enum br_mrp_hw_support br_mrp_switchdev_set_ring_role(struct net_bridge *br, struct br_mrp *mrp, enum br_mrp_ring_role_type role); int br_mrp_switchdev_set_ring_state(struct net_bridge *br, struct br_mrp *mrp, enum br_mrp_ring_state_type state); enum br_mrp_hw_support br_mrp_switchdev_send_ring_test(struct net_bridge *br, struct br_mrp *mrp, u32 interval, u8 max_miss, u32 period, bool monitor); int br_mrp_port_switchdev_set_state(struct net_bridge_port *p, u32 state); int br_mrp_port_switchdev_set_role(struct net_bridge_port *p, enum br_mrp_port_role_type role); enum br_mrp_hw_support br_mrp_switchdev_set_in_role(struct net_bridge *br, struct br_mrp *mrp, u16 in_id, u32 ring_id, enum br_mrp_in_role_type role); int br_mrp_switchdev_set_in_state(struct net_bridge *br, struct br_mrp *mrp, enum br_mrp_in_state_type state); enum br_mrp_hw_support br_mrp_switchdev_send_in_test(struct net_bridge *br, struct br_mrp *mrp, u32 interval, u8 max_miss, u32 period); /* br_mrp_netlink.c */ int br_mrp_ring_port_open(struct net_device *dev, u8 loc); int br_mrp_in_port_open(struct net_device *dev, u8 loc); /* MRP protocol data units */ struct br_mrp_tlv_hdr { __u8 type; __u8 length; }; struct br_mrp_common_hdr { __be16 seq_id; __u8 domain[MRP_DOMAIN_UUID_LENGTH]; }; struct br_mrp_ring_test_hdr { __be16 prio; __u8 sa[ETH_ALEN]; __be16 port_role; __be16 state; __be16 transitions; __be32 timestamp; } __attribute__((__packed__)); struct br_mrp_in_test_hdr { __be16 id; __u8 sa[ETH_ALEN]; __be16 port_role; __be16 state; __be16 transitions; __be32 timestamp; } __attribute__((__packed__)); struct br_mrp_oui_hdr { __u8 oui[MRP_OUI_LENGTH]; }; struct br_mrp_sub_option1_hdr { __u8 type; __u8 data[MRP_MANUFACTURE_DATA_LENGTH]; }; #endif /* _BR_PRIVATE_MRP_H */