1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
|
# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
name: mptcp_pm
protocol: genetlink-legacy
doc: Multipath TCP.
c-family-name: mptcp-pm-name
c-version-name: mptcp-pm-ver
max-by-define: true
kernel-policy: per-op
cmd-cnt-name: --mptcp-pm-cmd-after-last
definitions:
-
type: enum
name: event-type
enum-name: mptcp-event-type
name-prefix: mptcp-event-
entries:
-
name: unspec
doc: unused event
-
name: created
doc:
token, family, saddr4 | saddr6, daddr4 | daddr6, sport, dport
A new MPTCP connection has been created. It is the good time to
allocate memory and send ADD_ADDR if needed. Depending on the
traffic-patterns it can take a long time until the
MPTCP_EVENT_ESTABLISHED is sent.
-
name: established
doc:
token, family, saddr4 | saddr6, daddr4 | daddr6, sport, dport
A MPTCP connection is established (can start new subflows).
-
name: closed
doc:
token
A MPTCP connection has stopped.
-
name: announced
value: 6
doc:
token, rem_id, family, daddr4 | daddr6 [, dport]
A new address has been announced by the peer.
-
name: removed
doc:
token, rem_id
An address has been lost by the peer.
-
name: sub-established
value: 10
doc:
token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 | daddr6, sport,
dport, backup, if_idx [, error]
A new subflow has been established. 'error' should not be set.
-
name: sub-closed
doc:
token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 | daddr6, sport,
dport, backup, if_idx [, error]
A subflow has been closed. An error (copy of sk_err) could be set if an
error has been detected for this subflow.
-
name: sub-priority
value: 13
doc:
token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 | daddr6, sport,
dport, backup, if_idx [, error]
The priority of a subflow has changed. 'error' should not be set.
-
name: listener-created
value: 15
doc:
family, sport, saddr4 | saddr6
A new PM listener is created.
-
name: listener-closed
doc:
family, sport, saddr4 | saddr6
A PM listener is closed.
attribute-sets:
-
name: address
name-prefix: mptcp-pm-addr-attr-
attributes:
-
name: unspec
type: unused
value: 0
-
name: family
type: u16
-
name: id
type: u8
-
name: addr4
type: u32
byte-order: big-endian
-
name: addr6
type: binary
checks:
exact-len: 16
-
name: port
type: u16
byte-order: big-endian
-
name: flags
type: u32
-
name: if-idx
type: s32
-
name: subflow-attribute
name-prefix: mptcp-subflow-attr-
attributes:
-
name: unspec
type: unused
value: 0
-
name: token-rem
type: u32
-
name: token-loc
type: u32
-
name: relwrite-seq
type: u32
-
name: map-seq
type: u64
-
name: map-sfseq
type: u32
-
name: ssn-offset
type: u32
-
name: map-datalen
type: u16
-
name: flags
type: u32
-
name: id-rem
type: u8
-
name: id-loc
type: u8
-
name: pad
type: pad
-
name: endpoint
name-prefix: mptcp-pm-endpoint-
attributes:
-
name: addr
type: nest
nested-attributes: address
-
name: attr
name-prefix: mptcp-pm-attr-
attr-cnt-name: --mptcp-attr-after-last
attributes:
-
name: unspec
type: unused
value: 0
-
name: addr
type: nest
nested-attributes: address
-
name: rcv-add-addrs
type: u32
-
name: subflows
type: u32
-
name: token
type: u32
-
name: loc-id
type: u8
-
name: addr-remote
type: nest
nested-attributes: address
-
name: event-attr
enum-name: mptcp-event-attr
name-prefix: mptcp-attr-
attributes:
-
name: unspec
type: unused
value: 0
-
name: token
type: u32
-
name: family
type: u16
-
name: loc-id
type: u8
-
name: rem-id
type: u8
-
name: saddr4
type: u32
byte-order: big-endian
-
name: saddr6
type: binary
checks:
min-len: 16
-
name: daddr4
type: u32
byte-order: big-endian
-
name: daddr6
type: binary
checks:
min-len: 16
-
name: sport
type: u16
byte-order: big-endian
-
name: dport
type: u16
byte-order: big-endian
-
name: backup
type: u8
-
name: error
type: u8
-
name: flags
type: u16
-
name: timeout
type: u32
-
name: if_idx
type: u32
-
name: reset-reason
type: u32
-
name: reset-flags
type: u32
-
name: server-side
type: u8
operations:
list:
-
name: unspec
doc: unused
value: 0
-
name: add-addr
doc: Add endpoint
attribute-set: endpoint
dont-validate: [ strict ]
flags: [ uns-admin-perm ]
do: &add-addr-attrs
request:
attributes:
- addr
-
name: del-addr
doc: Delete endpoint
attribute-set: endpoint
dont-validate: [ strict ]
flags: [ uns-admin-perm ]
do: *add-addr-attrs
-
name: get-addr
doc: Get endpoint information
attribute-set: endpoint
dont-validate: [ strict ]
flags: [ uns-admin-perm ]
do: &get-addr-attrs
request:
attributes:
- addr
reply:
attributes:
- addr
dump:
reply:
attributes:
- addr
-
name: flush-addrs
doc: flush addresses
attribute-set: endpoint
dont-validate: [ strict ]
flags: [ uns-admin-perm ]
do: *add-addr-attrs
-
name: set-limits
doc: Set protocol limits
attribute-set: attr
dont-validate: [ strict ]
flags: [ uns-admin-perm ]
do: &mptcp-limits
request:
attributes:
- rcv-add-addrs
- subflows
-
name: get-limits
doc: Get protocol limits
attribute-set: attr
dont-validate: [ strict ]
do: &mptcp-get-limits
request:
attributes:
- rcv-add-addrs
- subflows
reply:
attributes:
- rcv-add-addrs
- subflows
-
name: set-flags
doc: Change endpoint flags
attribute-set: attr
dont-validate: [ strict ]
flags: [ uns-admin-perm ]
do: &mptcp-set-flags
request:
attributes:
- addr
- token
- addr-remote
-
name: announce
doc: announce new sf
attribute-set: attr
dont-validate: [ strict ]
flags: [ uns-admin-perm ]
do: &announce-add
request:
attributes:
- addr
- token
-
name: remove
doc: announce removal
attribute-set: attr
dont-validate: [ strict ]
flags: [ uns-admin-perm ]
do:
request:
attributes:
- token
- loc-id
-
name: subflow-create
doc: todo
attribute-set: attr
dont-validate: [ strict ]
flags: [ uns-admin-perm ]
do: &sf-create
request:
attributes:
- addr
- token
- addr-remote
-
name: subflow-destroy
doc: todo
attribute-set: attr
dont-validate: [ strict ]
flags: [ uns-admin-perm ]
do: *sf-create
|
