xref: /linux/include/uapi/rdma/rdma_netlink.h (revision e5c86679d5e864947a52fb31e45a425dea3e7fa9)
1 #ifndef _UAPI_RDMA_NETLINK_H
2 #define _UAPI_RDMA_NETLINK_H
3 
4 #include <linux/types.h>
5 
6 enum {
7 	RDMA_NL_RDMA_CM = 1,
8 	RDMA_NL_IWCM,
9 	RDMA_NL_RSVD,
10 	RDMA_NL_LS,	/* RDMA Local Services */
11 	RDMA_NL_I40IW,
12 	RDMA_NL_NUM_CLIENTS
13 };
14 
15 enum {
16 	RDMA_NL_GROUP_CM = 1,
17 	RDMA_NL_GROUP_IWPM,
18 	RDMA_NL_GROUP_LS,
19 	RDMA_NL_NUM_GROUPS
20 };
21 
22 #define RDMA_NL_GET_CLIENT(type) ((type & (((1 << 6) - 1) << 10)) >> 10)
23 #define RDMA_NL_GET_OP(type) (type & ((1 << 10) - 1))
24 #define RDMA_NL_GET_TYPE(client, op) ((client << 10) + op)
25 
26 enum {
27 	RDMA_NL_RDMA_CM_ID_STATS = 0,
28 	RDMA_NL_RDMA_CM_NUM_OPS
29 };
30 
31 enum {
32 	RDMA_NL_RDMA_CM_ATTR_SRC_ADDR = 1,
33 	RDMA_NL_RDMA_CM_ATTR_DST_ADDR,
34 	RDMA_NL_RDMA_CM_NUM_ATTR,
35 };
36 
37 /* iwarp port mapper op-codes */
38 enum {
39 	RDMA_NL_IWPM_REG_PID = 0,
40 	RDMA_NL_IWPM_ADD_MAPPING,
41 	RDMA_NL_IWPM_QUERY_MAPPING,
42 	RDMA_NL_IWPM_REMOVE_MAPPING,
43 	RDMA_NL_IWPM_REMOTE_INFO,
44 	RDMA_NL_IWPM_HANDLE_ERR,
45 	RDMA_NL_IWPM_MAPINFO,
46 	RDMA_NL_IWPM_MAPINFO_NUM,
47 	RDMA_NL_IWPM_NUM_OPS
48 };
49 
50 struct rdma_cm_id_stats {
51 	__u32	qp_num;
52 	__u32	bound_dev_if;
53 	__u32	port_space;
54 	__s32	pid;
55 	__u8	cm_state;
56 	__u8	node_type;
57 	__u8	port_num;
58 	__u8	qp_type;
59 };
60 
61 enum {
62 	IWPM_NLA_REG_PID_UNSPEC = 0,
63 	IWPM_NLA_REG_PID_SEQ,
64 	IWPM_NLA_REG_IF_NAME,
65 	IWPM_NLA_REG_IBDEV_NAME,
66 	IWPM_NLA_REG_ULIB_NAME,
67 	IWPM_NLA_REG_PID_MAX
68 };
69 
70 enum {
71 	IWPM_NLA_RREG_PID_UNSPEC = 0,
72 	IWPM_NLA_RREG_PID_SEQ,
73 	IWPM_NLA_RREG_IBDEV_NAME,
74 	IWPM_NLA_RREG_ULIB_NAME,
75 	IWPM_NLA_RREG_ULIB_VER,
76 	IWPM_NLA_RREG_PID_ERR,
77 	IWPM_NLA_RREG_PID_MAX
78 
79 };
80 
81 enum {
82 	IWPM_NLA_MANAGE_MAPPING_UNSPEC = 0,
83 	IWPM_NLA_MANAGE_MAPPING_SEQ,
84 	IWPM_NLA_MANAGE_ADDR,
85 	IWPM_NLA_MANAGE_MAPPED_LOC_ADDR,
86 	IWPM_NLA_RMANAGE_MAPPING_ERR,
87 	IWPM_NLA_RMANAGE_MAPPING_MAX
88 };
89 
90 #define IWPM_NLA_MANAGE_MAPPING_MAX 3
91 #define IWPM_NLA_QUERY_MAPPING_MAX  4
92 #define IWPM_NLA_MAPINFO_SEND_MAX   3
93 
94 enum {
95 	IWPM_NLA_QUERY_MAPPING_UNSPEC = 0,
96 	IWPM_NLA_QUERY_MAPPING_SEQ,
97 	IWPM_NLA_QUERY_LOCAL_ADDR,
98 	IWPM_NLA_QUERY_REMOTE_ADDR,
99 	IWPM_NLA_RQUERY_MAPPED_LOC_ADDR,
100 	IWPM_NLA_RQUERY_MAPPED_REM_ADDR,
101 	IWPM_NLA_RQUERY_MAPPING_ERR,
102 	IWPM_NLA_RQUERY_MAPPING_MAX
103 };
104 
105 enum {
106 	IWPM_NLA_MAPINFO_REQ_UNSPEC = 0,
107 	IWPM_NLA_MAPINFO_ULIB_NAME,
108 	IWPM_NLA_MAPINFO_ULIB_VER,
109 	IWPM_NLA_MAPINFO_REQ_MAX
110 };
111 
112 enum {
113 	IWPM_NLA_MAPINFO_UNSPEC = 0,
114 	IWPM_NLA_MAPINFO_LOCAL_ADDR,
115 	IWPM_NLA_MAPINFO_MAPPED_ADDR,
116 	IWPM_NLA_MAPINFO_MAX
117 };
118 
119 enum {
120 	IWPM_NLA_MAPINFO_NUM_UNSPEC = 0,
121 	IWPM_NLA_MAPINFO_SEQ,
122 	IWPM_NLA_MAPINFO_SEND_NUM,
123 	IWPM_NLA_MAPINFO_ACK_NUM,
124 	IWPM_NLA_MAPINFO_NUM_MAX
125 };
126 
127 enum {
128 	IWPM_NLA_ERR_UNSPEC = 0,
129 	IWPM_NLA_ERR_SEQ,
130 	IWPM_NLA_ERR_CODE,
131 	IWPM_NLA_ERR_MAX
132 };
133 
134 /*
135  * Local service operations:
136  *   RESOLVE - The client requests the local service to resolve a path.
137  *   SET_TIMEOUT - The local service requests the client to set the timeout.
138  *   IP_RESOLVE - The client requests the local service to resolve an IP to GID.
139  */
140 enum {
141 	RDMA_NL_LS_OP_RESOLVE = 0,
142 	RDMA_NL_LS_OP_SET_TIMEOUT,
143 	RDMA_NL_LS_OP_IP_RESOLVE,
144 	RDMA_NL_LS_NUM_OPS
145 };
146 
147 /* Local service netlink message flags */
148 #define RDMA_NL_LS_F_ERR	0x0100	/* Failed response */
149 
150 /*
151  * Local service resolve operation family header.
152  * The layout for the resolve operation:
153  *    nlmsg header
154  *    family header
155  *    attributes
156  */
157 
158 /*
159  * Local service path use:
160  * Specify how the path(s) will be used.
161  *   ALL - For connected CM operation (6 pathrecords)
162  *   UNIDIRECTIONAL - For unidirectional UD (1 pathrecord)
163  *   GMP - For miscellaneous GMP like operation (at least 1 reversible
164  *         pathrecord)
165  */
166 enum {
167 	LS_RESOLVE_PATH_USE_ALL = 0,
168 	LS_RESOLVE_PATH_USE_UNIDIRECTIONAL,
169 	LS_RESOLVE_PATH_USE_GMP,
170 	LS_RESOLVE_PATH_USE_MAX
171 };
172 
173 #define LS_DEVICE_NAME_MAX 64
174 
175 struct rdma_ls_resolve_header {
176 	__u8 device_name[LS_DEVICE_NAME_MAX];
177 	__u8 port_num;
178 	__u8 path_use;
179 };
180 
181 struct rdma_ls_ip_resolve_header {
182 	__u32 ifindex;
183 };
184 
185 /* Local service attribute type */
186 #define RDMA_NLA_F_MANDATORY	(1 << 13)
187 #define RDMA_NLA_TYPE_MASK	(~(NLA_F_NESTED | NLA_F_NET_BYTEORDER | \
188 				  RDMA_NLA_F_MANDATORY))
189 
190 /*
191  * Local service attributes:
192  *   Attr Name       Size                       Byte order
193  *   -----------------------------------------------------
194  *   PATH_RECORD     struct ib_path_rec_data
195  *   TIMEOUT         u32                        cpu
196  *   SERVICE_ID      u64                        cpu
197  *   DGID            u8[16]                     BE
198  *   SGID            u8[16]                     BE
199  *   TCLASS          u8
200  *   PKEY            u16                        cpu
201  *   QOS_CLASS       u16                        cpu
202  *   IPV4            u32                        BE
203  *   IPV6            u8[16]                     BE
204  */
205 enum {
206 	LS_NLA_TYPE_UNSPEC = 0,
207 	LS_NLA_TYPE_PATH_RECORD,
208 	LS_NLA_TYPE_TIMEOUT,
209 	LS_NLA_TYPE_SERVICE_ID,
210 	LS_NLA_TYPE_DGID,
211 	LS_NLA_TYPE_SGID,
212 	LS_NLA_TYPE_TCLASS,
213 	LS_NLA_TYPE_PKEY,
214 	LS_NLA_TYPE_QOS_CLASS,
215 	LS_NLA_TYPE_IPV4,
216 	LS_NLA_TYPE_IPV6,
217 	LS_NLA_TYPE_MAX
218 };
219 
220 /* Local service DGID/SGID attribute: big endian */
221 struct rdma_nla_ls_gid {
222 	__u8		gid[16];
223 };
224 
225 #endif /* _UAPI_RDMA_NETLINK_H */
226