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2f1a11ae HV |
1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | ||
3 | #ifndef _BR_PRIVATE_MRP_H_ | |
4 | #define _BR_PRIVATE_MRP_H_ | |
5 | ||
6 | #include "br_private.h" | |
7 | #include <uapi/linux/mrp_bridge.h> | |
8 | ||
f7458934 HV |
9 | #define MRP_OPT_PADDING 0x2 |
10 | ||
2f1a11ae HV |
11 | struct br_mrp { |
12 | /* list of mrp instances */ | |
0169b820 | 13 | struct hlist_node list; |
2f1a11ae HV |
14 | |
15 | struct net_bridge_port __rcu *p_port; | |
16 | struct net_bridge_port __rcu *s_port; | |
78c1b4fb | 17 | struct net_bridge_port __rcu *i_port; |
2f1a11ae HV |
18 | |
19 | u32 ring_id; | |
78c1b4fb | 20 | u16 in_id; |
4b3a61b0 | 21 | u16 prio; |
2f1a11ae HV |
22 | |
23 | enum br_mrp_ring_role_type ring_role; | |
24 | u8 ring_role_offloaded; | |
25 | enum br_mrp_ring_state_type ring_state; | |
26 | u32 ring_transitions; | |
27 | ||
78c1b4fb HV |
28 | enum br_mrp_in_role_type in_role; |
29 | u8 in_role_offloaded; | |
30 | enum br_mrp_in_state_type in_state; | |
31 | u32 in_transitions; | |
32 | ||
2f1a11ae HV |
33 | struct delayed_work test_work; |
34 | u32 test_interval; | |
35 | unsigned long test_end; | |
36 | u32 test_count_miss; | |
37 | u32 test_max_miss; | |
c6676e7d | 38 | bool test_monitor; |
2f1a11ae | 39 | |
78c1b4fb HV |
40 | struct delayed_work in_test_work; |
41 | u32 in_test_interval; | |
42 | unsigned long in_test_end; | |
43 | u32 in_test_count_miss; | |
44 | u32 in_test_max_miss; | |
45 | ||
2f1a11ae HV |
46 | u32 seq_id; |
47 | ||
48 | struct rcu_head rcu; | |
49 | }; | |
50 | ||
e1bd99d0 HV |
51 | /* This type is returned by br_mrp_switchdev functions that allow to have a SW |
52 | * backup in case the HW can't implement completely the protocol. | |
53 | * BR_MRP_NONE - means the HW can't run at all the protocol, so the SW stops | |
54 | * configuring the node anymore. | |
55 | * BR_MRP_SW - the HW can help the SW to run the protocol, by redirecting MRP | |
56 | * frames to CPU. | |
57 | * BR_MRP_HW - the HW can implement completely the protocol. | |
58 | */ | |
59 | enum br_mrp_hw_support { | |
60 | BR_MRP_NONE, | |
61 | BR_MRP_SW, | |
62 | BR_MRP_HW, | |
63 | }; | |
64 | ||
2f1a11ae HV |
65 | /* br_mrp.c */ |
66 | int br_mrp_add(struct net_bridge *br, struct br_mrp_instance *instance); | |
67 | int br_mrp_del(struct net_bridge *br, struct br_mrp_instance *instance); | |
68 | int br_mrp_set_port_state(struct net_bridge_port *p, | |
69 | enum br_mrp_port_state_type state); | |
70 | int br_mrp_set_port_role(struct net_bridge_port *p, | |
20f6a05e | 71 | enum br_mrp_port_role_type role); |
2f1a11ae HV |
72 | int br_mrp_set_ring_state(struct net_bridge *br, |
73 | struct br_mrp_ring_state *state); | |
74 | int br_mrp_set_ring_role(struct net_bridge *br, struct br_mrp_ring_role *role); | |
75 | int br_mrp_start_test(struct net_bridge *br, struct br_mrp_start_test *test); | |
537ed567 HV |
76 | int br_mrp_set_in_state(struct net_bridge *br, struct br_mrp_in_state *state); |
77 | int br_mrp_set_in_role(struct net_bridge *br, struct br_mrp_in_role *role); | |
78 | int br_mrp_start_in_test(struct net_bridge *br, | |
79 | struct br_mrp_start_in_test *test); | |
2f1a11ae HV |
80 | |
81 | /* br_mrp_switchdev.c */ | |
82 | int br_mrp_switchdev_add(struct net_bridge *br, struct br_mrp *mrp); | |
83 | int br_mrp_switchdev_del(struct net_bridge *br, struct br_mrp *mrp); | |
1a3ddb0b HV |
84 | enum br_mrp_hw_support |
85 | br_mrp_switchdev_set_ring_role(struct net_bridge *br, struct br_mrp *mrp, | |
86 | enum br_mrp_ring_role_type role); | |
2f1a11ae HV |
87 | int br_mrp_switchdev_set_ring_state(struct net_bridge *br, struct br_mrp *mrp, |
88 | enum br_mrp_ring_state_type state); | |
1a3ddb0b HV |
89 | enum br_mrp_hw_support |
90 | br_mrp_switchdev_send_ring_test(struct net_bridge *br, struct br_mrp *mrp, | |
91 | u32 interval, u8 max_miss, u32 period, | |
92 | bool monitor); | |
b2bdba1c | 93 | int br_mrp_port_switchdev_set_state(struct net_bridge_port *p, u32 state); |
2f1a11ae HV |
94 | int br_mrp_port_switchdev_set_role(struct net_bridge_port *p, |
95 | enum br_mrp_port_role_type role); | |
1a3ddb0b HV |
96 | enum br_mrp_hw_support |
97 | br_mrp_switchdev_set_in_role(struct net_bridge *br, struct br_mrp *mrp, | |
98 | u16 in_id, u32 ring_id, | |
99 | enum br_mrp_in_role_type role); | |
f23f0db3 HV |
100 | int br_mrp_switchdev_set_in_state(struct net_bridge *br, struct br_mrp *mrp, |
101 | enum br_mrp_in_state_type state); | |
1a3ddb0b HV |
102 | enum br_mrp_hw_support |
103 | br_mrp_switchdev_send_in_test(struct net_bridge *br, struct br_mrp *mrp, | |
104 | u32 interval, u8 max_miss, u32 period); | |
2f1a11ae HV |
105 | |
106 | /* br_mrp_netlink.c */ | |
4cc625c6 | 107 | int br_mrp_ring_port_open(struct net_device *dev, u8 loc); |
4139d4b5 | 108 | int br_mrp_in_port_open(struct net_device *dev, u8 loc); |
2f1a11ae | 109 | |
67819390 RV |
110 | /* MRP protocol data units */ |
111 | struct br_mrp_tlv_hdr { | |
112 | __u8 type; | |
113 | __u8 length; | |
114 | }; | |
115 | ||
116 | struct br_mrp_common_hdr { | |
117 | __be16 seq_id; | |
118 | __u8 domain[MRP_DOMAIN_UUID_LENGTH]; | |
119 | }; | |
120 | ||
121 | struct br_mrp_ring_test_hdr { | |
122 | __be16 prio; | |
123 | __u8 sa[ETH_ALEN]; | |
124 | __be16 port_role; | |
125 | __be16 state; | |
126 | __be16 transitions; | |
127 | __be32 timestamp; | |
128 | } __attribute__((__packed__)); | |
129 | ||
130 | struct br_mrp_in_test_hdr { | |
131 | __be16 id; | |
132 | __u8 sa[ETH_ALEN]; | |
133 | __be16 port_role; | |
134 | __be16 state; | |
135 | __be16 transitions; | |
136 | __be32 timestamp; | |
137 | } __attribute__((__packed__)); | |
138 | ||
f7458934 HV |
139 | struct br_mrp_oui_hdr { |
140 | __u8 oui[MRP_OUI_LENGTH]; | |
141 | }; | |
142 | ||
143 | struct br_mrp_sub_option1_hdr { | |
144 | __u8 type; | |
145 | __u8 data[MRP_MANUFACTURE_DATA_LENGTH]; | |
146 | }; | |
147 | ||
2f1a11ae | 148 | #endif /* _BR_PRIVATE_MRP_H */ |