authorgravatar for quae@daurnimator.comdaurnimator <quae@daurnimator.com> 2020-03-09 04:20:37+11:00
committergravatar for andrew@ziglang.orgAndrew Kelley <andrew@ziglang.org> 2020-03-09 13:02:38-04:00
log648f94c0275a85fece347ced013f89ee5eb5d800
tree4bf90c5c62278243149ade54cceb757c5c8a2aee
parent6ab156ce7dd781875db4965361418d8cdf4b3771

std: add some definitions for netlink sockets

2 files changed, 504 insertions(+), 0 deletions(-)

lib/std/os/bits/linux.zig+6
...@@ -18,6 +18,8 @@ pub usingnamespace switch (builtin.arch) {...@@ -18,6 +18,8 @@ pub usingnamespace switch (builtin.arch) {
18 else => struct {},18 else => struct {},
19};19};
2020
21pub usingnamespace @import("linux/netlink.zig");
22
21const is_mips = builtin.arch.isMIPS();23const is_mips = builtin.arch.isMIPS();
2224
23pub const pid_t = i32;25pub const pid_t = i32;
...@@ -30,6 +32,10 @@ pub const NAME_MAX = 255;...@@ -30,6 +32,10 @@ pub const NAME_MAX = 255;
30pub const PATH_MAX = 4096;32pub const PATH_MAX = 4096;
31pub const IOV_MAX = 1024;33pub const IOV_MAX = 1024;
3234
35/// Largest hardware address length
36/// e.g. a mac address is a type of hardware address
37pub const MAX_ADDR_LEN = 32;
38
33pub const STDIN_FILENO = 0;39pub const STDIN_FILENO = 0;
34pub const STDOUT_FILENO = 1;40pub const STDOUT_FILENO = 1;
35pub const STDERR_FILENO = 2;41pub const STDERR_FILENO = 2;
lib/std/os/bits/linux/netlink.zig created+498
...@@ -0,0 +1,498 @@
1usingnamespace @import("../linux.zig");
2
3/// Routing/device hook
4pub const NETLINK_ROUTE = 0;
5
6/// Unused number
7pub const NETLINK_UNUSED = 1;
8
9/// Reserved for user mode socket protocols
10pub const NETLINK_USERSOCK = 2;
11
12/// Unused number, formerly ip_queue
13pub const NETLINK_FIREWALL = 3;
14
15/// socket monitoring
16pub const NETLINK_SOCK_DIAG = 4;
17
18/// netfilter/iptables ULOG
19pub const NETLINK_NFLOG = 5;
20
21/// ipsec
22pub const NETLINK_XFRM = 6;
23
24/// SELinux event notifications
25pub const NETLINK_SELINUX = 7;
26
27/// Open-iSCSI
28pub const NETLINK_ISCSI = 8;
29
30/// auditing
31pub const NETLINK_AUDIT = 9;
32
33pub const NETLINK_FIB_LOOKUP = 10;
34
35pub const NETLINK_CONNECTOR = 11;
36
37/// netfilter subsystem
38pub const NETLINK_NETFILTER = 12;
39
40pub const NETLINK_IP6_FW = 13;
41
42/// DECnet routing messages
43pub const NETLINK_DNRTMSG = 14;
44
45/// Kernel messages to userspace
46pub const NETLINK_KOBJECT_UEVENT = 15;
47
48pub const NETLINK_GENERIC = 16;
49
50// leave room for NETLINK_DM (DM Events)
51
52/// SCSI Transports
53pub const NETLINK_SCSITRANSPORT = 18;
54
55pub const NETLINK_ECRYPTFS = 19;
56
57pub const NETLINK_RDMA = 20;
58
59/// Crypto layer
60pub const NETLINK_CRYPTO = 21;
61
62/// SMC monitoring
63pub const NETLINK_SMC = 22;
64
65// Flags values
66
67/// It is request message.
68pub const NLM_F_REQUEST = 0x01;
69
70/// Multipart message, terminated by NLMSG_DONE
71pub const NLM_F_MULTI = 0x02;
72
73/// Reply with ack, with zero or error code
74pub const NLM_F_ACK = 0x04;
75
76/// Echo this request
77pub const NLM_F_ECHO = 0x08;
78
79/// Dump was inconsistent due to sequence change
80pub const NLM_F_DUMP_INTR = 0x10;
81
82/// Dump was filtered as requested
83pub const NLM_F_DUMP_FILTERED = 0x20;
84
85// Modifiers to GET request
86
87/// specify tree root
88pub const NLM_F_ROOT = 0x100;
89
90/// return all matching
91pub const NLM_F_MATCH = 0x200;
92
93/// atomic GET
94pub const NLM_F_ATOMIC = 0x400;
95pub const NLM_F_DUMP = NLM_F_ROOT | NLM_F_MATCH;
96
97// Modifiers to NEW request
98
99/// Override existing
100pub const NLM_F_REPLACE = 0x100;
101
102/// Do not touch, if it exists
103pub const NLM_F_EXCL = 0x200;
104
105/// Create, if it does not exist
106pub const NLM_F_CREATE = 0x400;
107
108/// Add to end of list
109pub const NLM_F_APPEND = 0x800;
110
111// Modifiers to DELETE request
112
113/// Do not delete recursively
114pub const NLM_F_NONREC = 0x100;
115
116// Flags for ACK message
117
118/// request was capped
119pub const NLM_F_CAPPED = 0x100;
120
121/// extended ACK TVLs were included
122pub const NLM_F_ACK_TLVS = 0x200;
123
124pub const NetlinkMessageType = extern enum(u16) {
125 /// Nothing.
126 NOOP = 0x1,
127
128 /// Error
129 ERROR = 0x2,
130
131 /// End of a dump
132 DONE = 0x3,
133
134 /// Data lost
135 OVERRUN = 0x4,
136
137 /// < 0x10: reserved control messages
138 pub const MIN_TYPE = 0x10;
139
140 // rtlink types
141
142 RTM_NEWLINK = 16,
143 RTM_DELLINK,
144 RTM_GETLINK,
145 RTM_SETLINK,
146
147 RTM_NEWADDR = 20,
148 RTM_DELADDR,
149 RTM_GETADDR,
150
151 RTM_NEWROUTE = 24,
152 RTM_DELROUTE,
153 RTM_GETROUTE,
154
155 RTM_NEWNEIGH = 28,
156 RTM_DELNEIGH,
157 RTM_GETNEIGH,
158
159 RTM_NEWRULE = 32,
160 RTM_DELRULE,
161 RTM_GETRULE,
162
163 RTM_NEWQDISC = 36,
164 RTM_DELQDISC,
165 RTM_GETQDISC,
166
167 RTM_NEWTCLASS = 40,
168 RTM_DELTCLASS,
169 RTM_GETTCLASS,
170
171 RTM_NEWTFILTER = 44,
172 RTM_DELTFILTER,
173 RTM_GETTFILTER,
174
175 RTM_NEWACTION = 48,
176 RTM_DELACTION,
177 RTM_GETACTION,
178
179 RTM_NEWPREFIX = 52,
180
181 RTM_GETMULTICAST = 58,
182
183 RTM_GETANYCAST = 62,
184
185 RTM_NEWNEIGHTBL = 64,
186 RTM_GETNEIGHTBL = 66,
187 RTM_SETNEIGHTBL,
188
189 RTM_NEWNDUSEROPT = 68,
190
191 RTM_NEWADDRLABEL = 72,
192 RTM_DELADDRLABEL,
193 RTM_GETADDRLABEL,
194
195 RTM_GETDCB = 78,
196 RTM_SETDCB,
197
198 RTM_NEWNETCONF = 80,
199 RTM_DELNETCONF,
200 RTM_GETNETCONF = 82,
201
202 RTM_NEWMDB = 84,
203 RTM_DELMDB = 85,
204 RTM_GETMDB = 86,
205
206 RTM_NEWNSID = 88,
207 RTM_DELNSID = 89,
208 RTM_GETNSID = 90,
209
210 RTM_NEWSTATS = 92,
211 RTM_GETSTATS = 94,
212
213 RTM_NEWCACHEREPORT = 96,
214
215 RTM_NEWCHAIN = 100,
216 RTM_DELCHAIN,
217 RTM_GETCHAIN,
218
219 RTM_NEWNEXTHOP = 104,
220 RTM_DELNEXTHOP,
221 RTM_GETNEXTHOP,
222
223 _,
224};
225
226/// Netlink socket address
227pub const sockaddr_nl = extern struct {
228 family: sa_family_t = AF_NETLINK,
229 __pad1: c_ushort = 0,
230
231 /// port ID
232 pid: u32,
233
234 /// multicast groups mask
235 groups: u32,
236};
237
238/// Netlink message header
239/// Specified in RFC 3549 Section 2.3.2
240pub const nlmsghdr = extern struct {
241 /// Length of message including header
242 len: u32,
243
244 /// Message content
245 @"type": NetlinkMessageType,
246
247 /// Additional flags
248 flags: u16,
249
250 /// Sequence number
251 seq: u32,
252
253 /// Sending process port ID
254 pid: u32,
255};
256
257pub const ifinfomsg = extern struct {
258 family: u8,
259 __pad1: u8 = 0,
260
261 /// ARPHRD_*
262 @"type": c_ushort,
263
264 /// Link index
265 index: c_int,
266
267 /// IFF_* flags
268 flags: c_uint,
269
270 /// IFF_* change mask
271 /// is reserved for future use and should be always set to 0xFFFFFFFF.
272 change: c_uint = 0xFFFFFFFF,
273};
274
275pub const rtattr = extern struct {
276 /// Length of option
277 len: c_ushort,
278
279 /// Type of option
280 @"type": IFLA,
281
282 pub const ALIGNTO = 4;
283};
284
285pub const IFLA = extern enum(c_ushort) {
286 UNSPEC,
287 ADDRESS,
288 BROADCAST,
289 IFNAME,
290 MTU,
291 LINK,
292 QDISC,
293 STATS,
294 COST,
295 PRIORITY,
296 MASTER,
297
298 /// Wireless Extension event
299 WIRELESS,
300
301 /// Protocol specific information for a link
302 PROTINFO,
303
304 TXQLEN,
305 MAP,
306 WEIGHT,
307 OPERSTATE,
308 LINKMODE,
309 LINKINFO,
310 NET_NS_PID,
311 IFALIAS,
312
313 /// Number of VFs if device is SR-IOV PF
314 NUM_VF,
315
316 VFINFO_LIST,
317 STATS64,
318 VF_PORTS,
319 PORT_SELF,
320 AF_SPEC,
321
322 /// Group the device belongs to
323 GROUP,
324
325 NET_NS_FD,
326
327 /// Extended info mask, VFs, etc
328 EXT_MASK,
329
330 /// Promiscuity count: > 0 means acts PROMISC
331 PROMISCUITY,
332
333 NUM_TX_QUEUES,
334 NUM_RX_QUEUES,
335 CARRIER,
336 PHYS_PORT_ID,
337 CARRIER_CHANGES,
338 PHYS_SWITCH_ID,
339 LINK_NETNSID,
340 PHYS_PORT_NAME,
341 PROTO_DOWN,
342 GSO_MAX_SEGS,
343 GSO_MAX_SIZE,
344 PAD,
345 XDP,
346 EVENT,
347
348 NEW_NETNSID,
349 IF_NETNSID = 46,
350 TARGET_NETNSID = 46, // new alias
351
352 CARRIER_UP_COUNT,
353 CARRIER_DOWN_COUNT,
354 NEW_IFINDEX,
355 MIN_MTU,
356 MAX_MTU,
357
358 _,
359};
360
361pub const rtnl_link_ifmap = extern struct {
362 mem_start: u64,
363 mem_end: u64,
364 base_addr: u64,
365 irq: u16,
366 dma: u8,
367 port: u8,
368};
369
370pub const rtnl_link_stats = extern struct {
371 /// total packets received
372 rx_packets: u32,
373
374 /// total packets transmitted
375 tx_packets: u32,
376
377 /// total bytes received
378 rx_bytes: u32,
379
380 /// total bytes transmitted
381 tx_bytes: u32,
382
383 /// bad packets received
384 rx_errors: u32,
385
386 /// packet transmit problems
387 tx_errors: u32,
388
389 /// no space in linux buffers
390 rx_dropped: u32,
391
392 /// no space available in linux
393 tx_dropped: u32,
394
395 /// multicast packets received
396 multicast: u32,
397
398 collisions: u32,
399
400 // detailed rx_errors
401
402 rx_length_errors: u32,
403
404 /// receiver ring buff overflow
405 rx_over_errors: u32,
406
407 /// recved pkt with crc error
408 rx_crc_errors: u32,
409
410 /// recv'd frame alignment error
411 rx_frame_errors: u32,
412
413 /// recv'r fifo overrun
414 rx_fifo_errors: u32,
415
416 /// receiver missed packet
417 rx_missed_errors: u32,
418
419 // detailed tx_errors
420 tx_aborted_errors: u32,
421 tx_carrier_errors: u32,
422 tx_fifo_errors: u32,
423 tx_heartbeat_errors: u32,
424 tx_window_errors: u32,
425
426 // for cslip etc
427
428 rx_compressed: u32,
429 tx_compressed: u32,
430
431 /// dropped, no handler found
432 rx_nohandler: u32,
433};
434
435pub const rtnl_link_stats64 = extern struct {
436 /// total packets received
437 rx_packets: u64,
438
439 /// total packets transmitted
440 tx_packets: u64,
441
442 /// total bytes received
443 rx_bytes: u64,
444
445 /// total bytes transmitted
446 tx_bytes: u64,
447
448 /// bad packets received
449 rx_errors: u64,
450
451 /// packet transmit problems
452 tx_errors: u64,
453
454 /// no space in linux buffers
455 rx_dropped: u64,
456
457 /// no space available in linux
458 tx_dropped: u64,
459
460 /// multicast packets received
461 multicast: u64,
462
463 collisions: u64,
464
465 // detailed rx_errors
466
467 rx_length_errors: u64,
468
469 /// receiver ring buff overflow
470 rx_over_errors: u64,
471
472 /// recved pkt with crc error
473 rx_crc_errors: u64,
474
475 /// recv'd frame alignment error
476 rx_frame_errors: u64,
477
478 /// recv'r fifo overrun
479 rx_fifo_errors: u64,
480
481 /// receiver missed packet
482 rx_missed_errors: u64,
483
484 // detailed tx_errors
485 tx_aborted_errors: u64,
486 tx_carrier_errors: u64,
487 tx_fifo_errors: u64,
488 tx_heartbeat_errors: u64,
489 tx_window_errors: u64,
490
491 // for cslip etc
492
493 rx_compressed: u64,
494 tx_compressed: u64,
495
496 /// dropped, no handler found
497 rx_nohandler: u64,
498};