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