1 # SOME DESCRIPTIVE TITLE
2 # Copyright (C) YEAR Free Software Foundation, Inc.
3 # This file is distributed under the same license as the PACKAGE package.
4 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
9 "Project-Id-Version: PACKAGE VERSION\n"
10 "POT-Creation-Date: 2014-06-03 01:29+0900\n"
11 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
12 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
13 "Language-Team: LANGUAGE <LL@li.org>\n"
16 "Content-Type: text/plain; charset=UTF-8\n"
17 "Content-Transfer-Encoding: 8bit\n"
20 #: build/C/man3/netlink.3:10 build/C/man7/netlink.7:11
26 #: build/C/man3/netlink.3:10
32 #: build/C/man3/netlink.3:10 build/C/man3/rtnetlink.3:12
38 #: build/C/man3/netlink.3:10 build/C/man7/netlink.7:11 build/C/man3/rtnetlink.3:12 build/C/man7/rtnetlink.7:15
40 msgid "Linux Programmer's Manual"
44 #: build/C/man3/netlink.3:11 build/C/man7/netlink.7:12 build/C/man3/rtnetlink.3:13 build/C/man7/rtnetlink.7:16
50 #: build/C/man3/netlink.3:13
51 msgid "netlink - Netlink macros"
55 #: build/C/man3/netlink.3:13 build/C/man7/netlink.7:14 build/C/man3/rtnetlink.3:15 build/C/man7/rtnetlink.7:18
61 #: build/C/man3/netlink.3:16
63 msgid "B<#include E<lt>asm/types.hE<gt>>\n"
67 #: build/C/man3/netlink.3:18
69 msgid "B<#include E<lt>linux/netlink.hE<gt>>\n"
73 #: build/C/man3/netlink.3:20
75 msgid "B<int NLMSG_ALIGN(size_t >I<len>B<);>\n"
79 #: build/C/man3/netlink.3:22
81 msgid "B<int NLMSG_LENGTH(size_t >I<len>B<);>\n"
85 #: build/C/man3/netlink.3:24
87 msgid "B<int NLMSG_SPACE(size_t >I<len>B<);>\n"
91 #: build/C/man3/netlink.3:26
93 msgid "B<void *NLMSG_DATA(struct nlmsghdr *>I<nlh>B<);>\n"
97 #: build/C/man3/netlink.3:28
99 msgid "B<struct nlmsghdr *NLMSG_NEXT(struct nlmsghdr *>I<nlh>B<, int >I<len>B<);>\n"
103 #: build/C/man3/netlink.3:30
105 msgid "B<int NLMSG_OK(struct nlmsghdr *>I<nlh>B<, int >I<len>B<);>\n"
109 #: build/C/man3/netlink.3:32
111 msgid "B<int NLMSG_PAYLOAD(struct nlmsghdr *>I<nlh>B<, int >I<len>B<);>\n"
115 #: build/C/man3/netlink.3:33 build/C/man7/netlink.7:22 build/C/man3/rtnetlink.3:39 build/C/man7/rtnetlink.7:28
121 #: build/C/man3/netlink.3:41
123 "I<E<lt>linux/netlink.hE<gt>> defines several standard macros to access or "
124 "create a netlink datagram. They are similar in spirit to the macros defined "
125 "in B<cmsg>(3) for auxiliary data. The buffer passed to and from a netlink "
126 "socket should be accessed using only these macros."
130 #: build/C/man3/netlink.3:41
132 msgid "B<NLMSG_ALIGN>()"
136 #: build/C/man3/netlink.3:44
137 msgid "Round the length of a netlink message up to align it properly."
141 #: build/C/man3/netlink.3:44
143 msgid "B<NLMSG_LENGTH>()"
147 #: build/C/man3/netlink.3:52
149 "Given the payload length, I<len>, this macro returns the aligned length to "
150 "store in the I<nlmsg_len> field of the I<nlmsghdr>."
154 #: build/C/man3/netlink.3:52
156 msgid "B<NLMSG_SPACE>()"
160 #: build/C/man3/netlink.3:57
162 "Return the number of bytes that a netlink message with payload of I<len> "
167 #: build/C/man3/netlink.3:57
169 msgid "B<NLMSG_DATA>()"
173 #: build/C/man3/netlink.3:61
174 msgid "Return a pointer to the payload associated with the passed I<nlmsghdr>."
177 #. this is bizarre, maybe the interface should be fixed.
179 #: build/C/man3/netlink.3:61
181 msgid "B<NLMSG_NEXT>()"
185 #: build/C/man3/netlink.3:77
187 "Get the next I<nlmsghdr> in a multipart message. The caller must check if "
188 "the current I<nlmsghdr> didn't have the B<NLMSG_DONE> set\\(emthis function "
189 "doesn't return NULL on end. The I<len> argument is an lvalue containing the "
190 "remaining length of the message buffer. This macro decrements it by the "
191 "length of the message header."
195 #: build/C/man3/netlink.3:77
197 msgid "B<NLMSG_OK>()"
201 #: build/C/man3/netlink.3:81
203 "Return true if the netlink message is not truncated and is in a form "
204 "suitable for parsing."
208 #: build/C/man3/netlink.3:81
210 msgid "B<NLMSG_PAYLOAD>()"
214 #: build/C/man3/netlink.3:85
215 msgid "Return the length of the payload associated with the I<nlmsghdr>."
219 #: build/C/man3/netlink.3:85 build/C/man3/rtnetlink.3:82
221 msgid "CONFORMING TO"
225 #: build/C/man3/netlink.3:87 build/C/man3/rtnetlink.3:84
226 msgid "These macros are nonstandard Linux extensions."
230 #: build/C/man3/netlink.3:87 build/C/man7/netlink.7:384
236 #: build/C/man3/netlink.3:91
238 "It is often better to use netlink via I<libnetlink> than via the low-level "
243 #: build/C/man3/netlink.3:91 build/C/man7/netlink.7:467 build/C/man3/rtnetlink.3:122 build/C/man7/rtnetlink.7:460
249 #: build/C/man3/netlink.3:94
250 msgid "B<libnetlink>(3), B<netlink>(7)"
254 #: build/C/man3/netlink.3:94 build/C/man7/netlink.7:482 build/C/man3/rtnetlink.3:126 build/C/man7/rtnetlink.7:465
260 #: build/C/man3/netlink.3:102 build/C/man7/netlink.7:490 build/C/man3/rtnetlink.3:134 build/C/man7/rtnetlink.7:473
262 "This page is part of release 3.67 of the Linux I<man-pages> project. A "
263 "description of the project, information about reporting bugs, and the latest "
264 "version of this page, can be found at "
265 "\\%http://www.kernel.org/doc/man-pages/."
269 #: build/C/man7/netlink.7:11
275 #: build/C/man7/netlink.7:11 build/C/man7/rtnetlink.7:15
281 #: build/C/man7/netlink.7:14
282 msgid "netlink - communication between kernel and user space (AF_NETLINK)"
286 #: build/C/man7/netlink.7:19
289 "B<#include E<lt>asm/types.hE<gt>>\n"
290 "B<#include E<lt>sys/socket.hE<gt>>\n"
291 "B<#include E<lt>linux/netlink.hE<gt>>\n"
295 #: build/C/man7/netlink.7:21
298 "B<netlink_socket = socket(AF_NETLINK, >I<socket_type>B<, "
299 ">I<netlink_family>B<);>\n"
303 #: build/C/man7/netlink.7:31
305 "Netlink is used to transfer information between kernel and user-space "
306 "processes. It consists of a standard sockets-based interface for user space "
307 "processes and an internal kernel API for kernel modules. The internal "
308 "kernel interface is not documented in this manual page. There is also an "
309 "obsolete netlink interface via netlink character devices; this interface is "
310 "not documented here and is provided only for backward compatibility."
314 #: build/C/man7/netlink.7:41
316 "Netlink is a datagram-oriented service. Both B<SOCK_RAW> and B<SOCK_DGRAM> "
317 "are valid values for I<socket_type>. However, the netlink protocol does not "
318 "distinguish between datagram and raw sockets."
322 #: build/C/man7/netlink.7:45
324 "I<netlink_family> selects the kernel module or netlink group to communicate "
325 "with. The currently assigned netlink families are:"
329 #: build/C/man7/netlink.7:45
331 msgid "B<NETLINK_ROUTE>"
335 #: build/C/man7/netlink.7:52
337 "Receives routing and link updates and may be used to modify the routing "
338 "tables (both IPv4 and IPv6), IP addresses, link parameters, neighbor setups, "
339 "queueing disciplines, traffic classes and packet classifiers (see "
344 #: build/C/man7/netlink.7:52
346 msgid "B<NETLINK_W1>"
350 #: build/C/man7/netlink.7:55
351 msgid "Messages from 1-wire subsystem."
355 #: build/C/man7/netlink.7:55
357 msgid "B<NETLINK_USERSOCK>"
361 #: build/C/man7/netlink.7:58
362 msgid "Reserved for user-mode socket protocols."
366 #: build/C/man7/netlink.7:58
368 msgid "B<NETLINK_FIREWALL>"
372 #: build/C/man7/netlink.7:64
374 "Transport IPv4 packets from netfilter to user space. Used by I<ip_queue> "
379 #: build/C/man7/netlink.7:64
381 msgid "B<NETLINK_INET_DIAG>"
384 #. FIXME More details on NETLINK_INET_DIAG needed.
386 #: build/C/man7/netlink.7:68
387 msgid "INET socket monitoring."
391 #: build/C/man7/netlink.7:68
393 msgid "B<NETLINK_NFLOG>"
397 #: build/C/man7/netlink.7:71
398 msgid "Netfilter/iptables ULOG."
402 #: build/C/man7/netlink.7:71
404 msgid "B<NETLINK_XFRM>"
407 #. FIXME More details on NETLINK_XFRM needed.
409 #: build/C/man7/netlink.7:75
414 #: build/C/man7/netlink.7:75
416 msgid "B<NETLINK_SELINUX>"
420 #: build/C/man7/netlink.7:78
421 msgid "SELinux event notifications."
425 #: build/C/man7/netlink.7:78
427 msgid "B<NETLINK_ISCSI>"
430 #. FIXME More details on NETLINK_ISCSI needed.
432 #: build/C/man7/netlink.7:82
437 #: build/C/man7/netlink.7:82
439 msgid "B<NETLINK_AUDIT>"
442 #. FIXME More details on NETLINK_AUDIT needed.
444 #: build/C/man7/netlink.7:86
449 #: build/C/man7/netlink.7:86
451 msgid "B<NETLINK_FIB_LOOKUP>"
454 #. FIXME More details on NETLINK_FIB_LOOKUP needed.
456 #: build/C/man7/netlink.7:90
457 msgid "Access to FIB lookup from user space."
461 #: build/C/man7/netlink.7:90
463 msgid "B<NETLINK_CONNECTOR>"
467 #: build/C/man7/netlink.7:96
469 "Kernel connector. See I<Documentation/connector/*> in the Linux kernel "
470 "source tree for further information."
474 #: build/C/man7/netlink.7:96
476 msgid "B<NETLINK_NETFILTER>"
479 #. FIXME More details on NETLINK_NETFILTER needed.
481 #: build/C/man7/netlink.7:100
482 msgid "Netfilter subsystem."
486 #: build/C/man7/netlink.7:100
488 msgid "B<NETLINK_IP6_FW>"
492 #: build/C/man7/netlink.7:106
494 "Transport IPv6 packets from netfilter to user space. Used by I<ip6_queue> "
499 #: build/C/man7/netlink.7:106
501 msgid "B<NETLINK_DNRTMSG>"
505 #: build/C/man7/netlink.7:109
506 msgid "DECnet routing messages."
510 #: build/C/man7/netlink.7:109
512 msgid "B<NETLINK_KOBJECT_UEVENT>"
515 #. FIXME More details on NETLINK_KOBJECT_UEVENT needed.
517 #: build/C/man7/netlink.7:113
518 msgid "Kernel messages to user space."
522 #: build/C/man7/netlink.7:113
524 msgid "B<NETLINK_GENERIC>"
528 #: build/C/man7/netlink.7:116
529 msgid "Generic netlink family for simplified netlink usage."
533 #: build/C/man7/netlink.7:126
535 "Netlink messages consist of a byte stream with one or multiple I<nlmsghdr> "
536 "headers and associated payload. The byte stream should be accessed only "
537 "with the standard B<NLMSG_*> macros. See B<netlink>(3) for further "
542 #: build/C/man7/netlink.7:134
544 "In multipart messages (multiple I<nlmsghdr> headers with associated payload "
545 "in one byte stream) the first and all following headers have the "
546 "B<NLM_F_MULTI> flag set, except for the last header which has the type "
551 #: build/C/man7/netlink.7:138
552 msgid "After each I<nlmsghdr> the payload follows."
556 #: build/C/man7/netlink.7:148
559 "struct nlmsghdr {\n"
560 " __u32 nlmsg_len; /* Length of message including header. */\n"
561 " __u16 nlmsg_type; /* Type of message content. */\n"
562 " __u16 nlmsg_flags; /* Additional flags. */\n"
563 " __u32 nlmsg_seq; /* Sequence number. */\n"
564 " __u32 nlmsg_pid; /* Sender port ID. */\n"
569 #: build/C/man7/netlink.7:161
571 "I<nlmsg_type> can be one of the standard message types: B<NLMSG_NOOP> "
572 "message is to be ignored, B<NLMSG_ERROR> message signals an error and the "
573 "payload contains an I<nlmsgerr> structure, B<NLMSG_DONE> message terminates "
574 "a multipart message."
578 #: build/C/man7/netlink.7:168
581 "struct nlmsgerr {\n"
582 " int error; /* Negative errno or 0 for acknowledgements */\n"
583 " struct nlmsghdr msg; /* Message header that caused the error */\n"
588 #: build/C/man7/netlink.7:176
590 "A netlink family usually specifies more message types, see the appropriate "
591 "manual pages for that, for example, B<rtnetlink>(7) for B<NETLINK_ROUTE>."
595 #: build/C/man7/netlink.7:180
597 msgid "Standard flag bits in I<nlmsg_flags>\n"
601 #: build/C/man7/netlink.7:181 build/C/man7/netlink.7:197 build/C/man7/netlink.7:222 build/C/man7/rtnetlink.7:98 build/C/man7/rtnetlink.7:165 build/C/man7/rtnetlink.7:215 build/C/man7/rtnetlink.7:239 build/C/man7/rtnetlink.7:314 build/C/man7/rtnetlink.7:432
607 #: build/C/man7/netlink.7:182
609 msgid "NLM_F_REQUEST:Must be set on all request messages.\n"
613 #: build/C/man7/netlink.7:183
615 msgid "NLM_F_MULTI:T{\n"
619 #: build/C/man7/netlink.7:184
621 msgid "The message is part of a multipart message terminated by\n"
625 #: build/C/man7/netlink.7:185
627 msgid "B<NLMSG_DONE>.\n"
631 #: build/C/man7/netlink.7:186 build/C/man7/netlink.7:202 build/C/man7/netlink.7:209 build/C/man7/rtnetlink.7:221 build/C/man7/rtnetlink.7:224 build/C/man7/rtnetlink.7:233 build/C/man7/rtnetlink.7:243 build/C/man7/rtnetlink.7:266 build/C/man7/rtnetlink.7:286
637 #: build/C/man7/netlink.7:187
639 msgid "NLM_F_ACK:Request for an acknowledgment on success.\n"
643 #: build/C/man7/netlink.7:188
645 msgid "NLM_F_ECHO:Echo this request.\n"
649 #: build/C/man7/netlink.7:196
651 msgid "Additional flag bits for GET requests\n"
655 #: build/C/man7/netlink.7:198
657 msgid "NLM_F_ROOT:Return the complete table instead of a single entry.\n"
661 #: build/C/man7/netlink.7:199
663 msgid "NLM_F_MATCH:T{\n"
667 #: build/C/man7/netlink.7:200
669 msgid "Return all entries matching criteria passed in message content.\n"
673 #: build/C/man7/netlink.7:201
675 msgid "Not implemented yet.\n"
678 #. FIXME NLM_F_ATOMIC is not used any more?
680 #: build/C/man7/netlink.7:204
682 msgid "NLM_F_ATOMIC:Return an atomic snapshot of the table.\n"
686 #: build/C/man7/netlink.7:205
688 msgid "NLM_F_DUMP:T{\n"
692 #: build/C/man7/netlink.7:206
694 msgid "Convenience macro; equivalent to\n"
698 #: build/C/man7/netlink.7:207
704 #: build/C/man7/netlink.7:208
706 msgid "(NLM_F_ROOT|NLM_F_MATCH).\n"
710 #: build/C/man7/netlink.7:217
712 "Note that B<NLM_F_ATOMIC> requires the B<CAP_NET_ADMIN> capability or an "
713 "effective UID of 0."
717 #: build/C/man7/netlink.7:221
719 msgid "Additional flag bits for NEW requests\n"
723 #: build/C/man7/netlink.7:223
725 msgid "NLM_F_REPLACE:Replace existing matching object.\n"
729 #: build/C/man7/netlink.7:224
731 msgid "NLM_F_EXCL:Don't replace if the object already exists.\n"
735 #: build/C/man7/netlink.7:225
737 msgid "NLM_F_CREATE:Create object if it doesn't already exist.\n"
741 #: build/C/man7/netlink.7:226
743 msgid "NLM_F_APPEND:Add to the end of the object list.\n"
747 #: build/C/man7/netlink.7:242
749 "I<nlmsg_seq> and I<nlmsg_pid> are used to track messages. I<nlmsg_pid> "
750 "shows the origin of the message. Note that there isn't a 1:1 relationship "
751 "between I<nlmsg_pid> and the PID of the process if the message originated "
752 "from a netlink socket. See the B<ADDRESS FORMATS> section for further "
756 #. FIXME Explain more about nlmsg_seq and nlmsg_pid.
758 #: build/C/man7/netlink.7:249
759 msgid "Both I<nlmsg_seq> and I<nlmsg_pid> are opaque to netlink core."
763 #: build/C/man7/netlink.7:267
765 "Netlink is not a reliable protocol. It tries its best to deliver a message "
766 "to its destination(s), but may drop messages when an out-of-memory condition "
767 "or other error occurs. For reliable transfer the sender can request an "
768 "acknowledgement from the receiver by setting the B<NLM_F_ACK> flag. An "
769 "acknowledgment is an B<NLMSG_ERROR> packet with the error field set to 0. "
770 "The application must generate acknowledgements for received messages "
771 "itself. The kernel tries to send an B<NLMSG_ERROR> message for every failed "
772 "packet. A user process should follow this convention too."
776 #: build/C/man7/netlink.7:278
778 "However, reliable transmissions from kernel to user are impossible in any "
779 "case. The kernel can't send a netlink message if the socket buffer is full: "
780 "the message will be dropped and the kernel and the user-space process will "
781 "no longer have the same view of kernel state. It is up to the application "
782 "to detect when this happens (via the B<ENOBUFS> error returned by "
783 "B<recvmsg>(2)) and resynchronize."
787 #: build/C/man7/netlink.7:278
789 msgid "Address formats"
793 #: build/C/man7/netlink.7:288
795 "The I<sockaddr_nl> structure describes a netlink client in user space or in "
796 "the kernel. A I<sockaddr_nl> can be either unicast (only sent to one peer) "
797 "or sent to netlink multicast groups (I<nl_groups> not equal 0)."
801 #: build/C/man7/netlink.7:297
804 "struct sockaddr_nl {\n"
805 " sa_family_t nl_family; /* AF_NETLINK */\n"
806 " unsigned short nl_pad; /* Zero. */\n"
807 " pid_t nl_pid; /* Port ID. */\n"
808 " __u32 nl_groups; /* Multicast groups mask. */\n"
813 #: build/C/man7/netlink.7:328
815 "I<nl_pid> is the unicast address of netlink socket. It's always 0 if the "
816 "destination is in the kernel. For a user-space process, I<nl_pid> is "
817 "usually the PID of the process owning the destination socket. However, "
818 "I<nl_pid> identifies a netlink socket, not a process. If a process owns "
819 "several netlink sockets, then I<nl_pid> can be equal to the process ID only "
820 "for at most one socket. There are two ways to assign I<nl_pid> to a netlink "
821 "socket. If the application sets I<nl_pid> before calling B<bind>(2), then "
822 "it is up to the application to make sure that I<nl_pid> is unique. If the "
823 "application sets it to 0, the kernel takes care of assigning it. The kernel "
824 "assigns the process ID to the first netlink socket the process opens and "
825 "assigns a unique I<nl_pid> to every netlink socket that the process "
826 "subsequently creates."
829 #. commit d629b836d151d43332492651dd841d32e57ebe3b
831 #: build/C/man7/netlink.7:365
833 "I<nl_groups> is a bit mask with every bit representing a netlink group "
834 "number. Each netlink family has a set of 32 multicast groups. When "
835 "B<bind>(2) is called on the socket, the I<nl_groups> field in the "
836 "I<sockaddr_nl> should be set to a bit mask of the groups which it wishes to "
837 "listen to. The default value for this field is zero which means that no "
838 "multicasts will be received. A socket may multicast messages to any of the "
839 "multicast groups by setting I<nl_groups> to a bit mask of the groups it "
840 "wishes to send to when it calls B<sendmsg>(2) or does a B<connect>(2). "
841 "Only processes with an effective UID of 0 or the B<CAP_NET_ADMIN> capability "
842 "may send or listen to a netlink multicast group. Since Linux 2.6.13, "
843 "messages can't be broadcast to multiple groups. Any replies to a message "
844 "received for a multicast group should be sent back to the sending PID and "
845 "the multicast group. Some Linux kernel subsystems may additionally allow "
846 "other users to send and/or receive messages. As at Linux 3.0, the "
847 "B<NETLINK_KOBJECT_UEVENT>, B<NETLINK_GENERIC>, B<NETLINK_ROUTE>, and "
848 "B<NETLINK_SELINUX> groups allow other users to receive messages. No groups "
849 "allow other users to send messages."
853 #: build/C/man7/netlink.7:365 build/C/man7/rtnetlink.7:455
859 #: build/C/man7/netlink.7:367
860 msgid "The socket interface to netlink is a new feature of Linux 2.2."
864 #: build/C/man7/netlink.7:371
866 "Linux 2.0 supported a more primitive device-based netlink interface (which "
867 "is still available as a compatibility option). This obsolete interface is "
868 "not described here."
872 #: build/C/man7/netlink.7:373
873 msgid "NETLINK_SELINUX appeared in Linux 2.6.4."
877 #: build/C/man7/netlink.7:375
878 msgid "NETLINK_AUDIT appeared in Linux 2.6.6."
882 #: build/C/man7/netlink.7:377
883 msgid "NETLINK_KOBJECT_UEVENT appeared in Linux 2.6.10."
887 #: build/C/man7/netlink.7:379
888 msgid "NETLINK_W1 and NETLINK_FIB_LOOKUP appeared in Linux 2.6.13."
892 #: build/C/man7/netlink.7:382
894 "NETLINK_INET_DIAG, NETLINK_CONNECTOR and NETLINK_NETFILTER appeared in Linux "
899 #: build/C/man7/netlink.7:384
900 msgid "NETLINK_GENERIC and NETLINK_ISCSI appeared in Linux 2.6.15."
904 #: build/C/man7/netlink.7:390
906 "It is often better to use netlink via I<libnetlink> or I<libnl> than via the "
907 "low-level kernel interface."
911 #: build/C/man7/netlink.7:390 build/C/man3/rtnetlink.3:84 build/C/man7/rtnetlink.7:458
917 #: build/C/man7/netlink.7:392
918 msgid "This manual page is not complete."
922 #: build/C/man7/netlink.7:392 build/C/man3/rtnetlink.3:86
928 #: build/C/man7/netlink.7:400
930 "The following example creates a B<NETLINK_ROUTE> netlink socket which will "
931 "listen to the B<RTMGRP_LINK> (network interface create/delete/up/down "
932 "events) and B<RTMGRP_IPV4_IFADDR> (IPv4 addresses add/delete events) "
937 #: build/C/man7/netlink.7:404
939 msgid "struct sockaddr_nl sa;\n"
943 #: build/C/man7/netlink.7:408
946 "memset(&sa, 0, sizeof(sa));\n"
947 "sa.nl_family = AF_NETLINK;\n"
948 "sa.nl_groups = RTMGRP_LINK | RTMGRP_IPV4_IFADDR;\n"
952 #: build/C/man7/netlink.7:411
955 "fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);\n"
956 "bind(fd, (struct sockaddr *) &sa, sizeof(sa));\n"
960 #: build/C/man7/netlink.7:418
962 "The next example demonstrates how to send a netlink message to the kernel "
963 "(pid 0). Note that the application must take care of message sequence "
964 "numbers in order to reliably track acknowledgements."
968 #: build/C/man7/netlink.7:425
971 "struct nlmsghdr *nh; /* The nlmsghdr with payload to send. */\n"
972 "struct sockaddr_nl sa;\n"
973 "struct iovec iov = { nh, nh-E<gt>nlmsg_len };\n"
974 "struct msghdr msg;\n"
978 #: build/C/man7/netlink.7:433
981 "msg = { &sa, sizeof(sa), &iov, 1, NULL, 0, 0 };\n"
982 "memset(&sa, 0, sizeof(sa));\n"
983 "sa.nl_family = AF_NETLINK;\n"
984 "nh-E<gt>nlmsg_pid = 0;\n"
985 "nh-E<gt>nlmsg_seq = ++sequence_number;\n"
986 "/* Request an ack from kernel by setting NLM_F_ACK. */\n"
987 "nh-E<gt>nlmsg_flags |= NLM_F_ACK;\n"
991 #: build/C/man7/netlink.7:435
993 msgid "sendmsg(fd, &msg, 0);\n"
997 #: build/C/man7/netlink.7:439
998 msgid "And the last example is about reading netlink message."
1002 #: build/C/man7/netlink.7:448
1007 "struct iovec iov = { buf, sizeof(buf) };\n"
1008 "struct sockaddr_nl sa;\n"
1009 "struct msghdr msg;\n"
1010 "struct nlmsghdr *nh;\n"
1014 #: build/C/man7/netlink.7:451
1017 "msg = { &sa, sizeof(sa), &iov, 1, NULL, 0, 0 };\n"
1018 "len = recvmsg(fd, &msg, 0);\n"
1022 #: build/C/man7/netlink.7:457
1025 "for (nh = (struct nlmsghdr *) buf; NLMSG_OK (nh, len);\n"
1026 " nh = NLMSG_NEXT (nh, len)) {\n"
1027 " /* The end of multipart message. */\n"
1028 " if (nh-E<gt>nlmsg_type == NLMSG_DONE)\n"
1033 #: build/C/man7/netlink.7:461
1036 " if (nh-E<gt>nlmsg_type == NLMSG_ERROR)\n"
1037 " /* Do some error handling. */\n"
1042 #: build/C/man7/netlink.7:465
1045 " /* Continue with parsing payload. */\n"
1051 #: build/C/man7/netlink.7:472
1052 msgid "B<cmsg>(3), B<netlink>(3), B<capabilities>(7), B<rtnetlink>(7)"
1056 #: build/C/man7/netlink.7:476
1058 "E<.UR ftp://ftp.inr.ac.ru\\:/ip-routing\\:/iproute2*> information about "
1063 #: build/C/man7/netlink.7:480
1065 "E<.UR http://people.suug.ch\\:/~tgr\\:/libnl/> information about libnl "
1070 #: build/C/man7/netlink.7:482
1071 msgid "RFC 3549 \"Linux Netlink as an IP Services Protocol\""
1075 #: build/C/man3/rtnetlink.3:12 build/C/man7/rtnetlink.7:15
1081 #: build/C/man3/rtnetlink.3:12
1087 #: build/C/man3/rtnetlink.3:15
1088 msgid "rtnetlink - macros to manipulate rtnetlink messages"
1092 #: build/C/man3/rtnetlink.3:17 build/C/man7/rtnetlink.7:20
1093 msgid "B<#include E<lt>asm/types.hE<gt>>"
1097 #: build/C/man3/rtnetlink.3:19 build/C/man7/rtnetlink.7:22
1098 msgid "B<#include E<lt>linux/netlink.hE<gt>>"
1102 #: build/C/man3/rtnetlink.3:21 build/C/man7/rtnetlink.7:24
1103 msgid "B<#include E<lt>linux/rtnetlink.hE<gt>>"
1107 #: build/C/man3/rtnetlink.3:23 build/C/man7/rtnetlink.7:26
1108 msgid "B<#include E<lt>sys/socket.hE<gt>>"
1112 #: build/C/man3/rtnetlink.3:26 build/C/man7/rtnetlink.7:28
1114 "B<rtnetlink_socket = socket(AF_NETLINK, int >I<socket_type>B<, "
1119 #: build/C/man3/rtnetlink.3:28
1120 msgid "B<int RTA_OK(struct rtattr *>I<rta>B<, int >I<rtabuflen>B<);>"
1124 #: build/C/man3/rtnetlink.3:30
1125 msgid "B<void *RTA_DATA(struct rtattr *>I<rta>B<);>"
1129 #: build/C/man3/rtnetlink.3:32
1130 msgid "B<unsigned int RTA_PAYLOAD(struct rtattr *>I<rta>B<);>"
1134 #: build/C/man3/rtnetlink.3:35
1136 "B<struct rtattr *RTA_NEXT(struct rtattr *>I<rta>B<, unsigned int "
1137 ">I<rtabuflen>B<);>"
1141 #: build/C/man3/rtnetlink.3:37
1142 msgid "B<unsigned int RTA_LENGTH(unsigned int >I<length>B<);>"
1146 #: build/C/man3/rtnetlink.3:39
1147 msgid "B<unsigned int RTA_SPACE(unsigned int >I<length>B<);>"
1151 #: build/C/man3/rtnetlink.3:46
1153 "All B<rtnetlink>(7) messages consist of a B<netlink>(7) message header and "
1154 "appended attributes. The attributes should be manipulated only using the "
1155 "macros provided here."
1159 #: build/C/man3/rtnetlink.3:57
1161 "B<RTA_OK(>I<rta>B<, >I<attrlen>B<)> returns true if I<rta> points to a valid "
1162 "routing attribute; I<attrlen> is the running length of the attribute "
1163 "buffer. When not true then you must assume there are no more attributes in "
1164 "the message, even if I<attrlen> is nonzero."
1168 #: build/C/man3/rtnetlink.3:60
1170 "B<RTA_DATA(>I<rta>B<)> returns a pointer to the start of this attribute's "
1175 #: build/C/man3/rtnetlink.3:63
1176 msgid "B<RTA_PAYLOAD(>I<rta>B<)> returns the length of this attribute's data."
1180 #: build/C/man3/rtnetlink.3:72
1182 "B<RTA_NEXT(>I<rta>B<, >I<attrlen>B<)> gets the next attribute after I<rta>. "
1183 "Calling this macro will update I<attrlen>. You should use B<RTA_OK> to "
1184 "check the validity of the returned pointer."
1188 #: build/C/man3/rtnetlink.3:77
1190 "B<RTA_LENGTH(>I<len>B<)> returns the length which is required for I<len> "
1191 "bytes of data plus the header."
1195 #: build/C/man3/rtnetlink.3:82
1197 "B<RTA_SPACE(>I<len>B<)> returns the amount of space which will be needed in "
1198 "a message with I<len> bytes of data."
1202 #: build/C/man3/rtnetlink.3:86 build/C/man7/rtnetlink.7:460
1203 msgid "This manual page is incomplete."
1206 #. FIXME ? would be better to use libnetlink in the EXAMPLE code here
1208 #: build/C/man3/rtnetlink.3:90
1209 msgid "Creating a rtnetlink message to set the MTU of a device:"
1213 #: build/C/man3/rtnetlink.3:92
1215 msgid " #include E<lt>linux/rtnetlink.hE<gt>\n"
1219 #: build/C/man3/rtnetlink.3:94
1225 #: build/C/man3/rtnetlink.3:100
1229 " struct nlmsghdr nh;\n"
1230 " struct ifinfomsg if;\n"
1231 " char attrbuf[512];\n"
1236 #: build/C/man3/rtnetlink.3:103
1239 " struct rtattr *rta;\n"
1240 " unsigned int mtu = 1000;\n"
1244 #: build/C/man3/rtnetlink.3:105
1246 msgid " int rtnetlink_sk = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE);\n"
1250 #: build/C/man3/rtnetlink.3:121
1253 " memset(&req, 0, sizeof(req));\n"
1254 " req.nh.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));\n"
1255 " req.nh.nlmsg_flags = NLM_F_REQUEST;\n"
1256 " req.nh.nlmsg_type = RTM_NEWLINK;\n"
1257 " req.if.ifi_family = AF_UNSPEC;\n"
1258 " req.if.ifi_index = INTERFACE_INDEX;\n"
1259 " req.if.ifi_change = 0xffffffff; /* ??? */\n"
1260 " rta = (struct rtattr *)(((char *) &req) +\n"
1261 " NLMSG_ALIGN(req.nh.nlmsg_len));\n"
1262 " rta-E<gt>rta_type = IFLA_MTU;\n"
1263 " rta-E<gt>rta_len = RTA_LENGTH(sizeof(unsigned int));\n"
1264 " req.n.nlmsg_len = NLMSG_ALIGN(req.nh.nlmsg_len) +\n"
1265 " RTA_LENGTH(sizeof(mtu));\n"
1266 " memcpy(RTA_DATA(rta), &mtu, sizeof(mtu));\n"
1267 " send(rtnetlink_sk, &req, req.nh.nlmsg_len);\n"
1271 #: build/C/man3/rtnetlink.3:126
1272 msgid "B<netlink>(3), B<netlink>(7), B<rtnetlink>(7)"
1276 #: build/C/man7/rtnetlink.7:15
1282 #: build/C/man7/rtnetlink.7:18
1283 msgid "rtnetlink - Linux IPv4 routing socket"
1286 #. FIXME ? all these macros could be moved to rtnetlink(3)
1288 #: build/C/man7/rtnetlink.7:42
1290 "Rtnetlink allows the kernel's routing tables to be read and altered. It is "
1291 "used within the kernel to communicate between various subsystems, though "
1292 "this usage is not documented here, and for communication with user-space "
1293 "programs. Network routes, IP addresses, link parameters, neighbor setups, "
1294 "queueing disciplines, traffic classes and packet classifiers may all be "
1295 "controlled through B<NETLINK_ROUTE> sockets. It is based on netlink "
1296 "messages; see B<netlink>(7) for more information."
1300 #: build/C/man7/rtnetlink.7:42
1302 msgid "Routing attributes"
1306 #: build/C/man7/rtnetlink.7:44
1307 msgid "Some rtnetlink messages have optional attributes after the initial header:"
1311 #: build/C/man7/rtnetlink.7:52
1315 " unsigned short rta_len; /* Length of option */\n"
1316 " unsigned short rta_type; /* Type of option */\n"
1317 " /* Data follows */\n"
1322 #: build/C/man7/rtnetlink.7:58
1324 "These attributes should be manipulated using only the RTA_* macros or "
1325 "libnetlink, see B<rtnetlink>(3)."
1329 #: build/C/man7/rtnetlink.7:58
1335 #: build/C/man7/rtnetlink.7:61
1337 "Rtnetlink consists of these message types (in addition to standard netlink "
1342 #: build/C/man7/rtnetlink.7:61
1344 msgid "B<RTM_NEWLINK>, B<RTM_DELLINK>, B<RTM_GETLINK>"
1348 #: build/C/man7/rtnetlink.7:69
1350 "Create, remove or get information about a specific network interface. These "
1351 "messages contain an I<ifinfomsg> structure followed by a series of I<rtattr> "
1356 #: build/C/man7/rtnetlink.7:78
1359 "struct ifinfomsg {\n"
1360 " unsigned char ifi_family; /* AF_UNSPEC */\n"
1361 " unsigned short ifi_type; /* Device type */\n"
1362 " int ifi_index; /* Interface index */\n"
1363 " unsigned int ifi_flags; /* Device flags */\n"
1364 " unsigned int ifi_change; /* change mask */\n"
1370 #: build/C/man7/rtnetlink.7:92
1372 "I<ifi_flags> contains the device flags, see B<netdevice>(7); I<ifi_index> is "
1373 "the unique interface index (since Linux 3.7, it is possible to feed a "
1374 "nonzero value with the B<RTM_NEWLINK> message, thus creating a link with the "
1375 "given I<ifindex>); I<ifi_change> is reserved for future use and should be "
1376 "always set to 0xFFFFFFFF."
1380 #: build/C/man7/rtnetlink.7:96
1382 msgid "Routing attributes\n"
1386 #: build/C/man7/rtnetlink.7:97 build/C/man7/rtnetlink.7:164 build/C/man7/rtnetlink.7:313
1388 msgid "rta_type:value type:description\n"
1392 #: build/C/man7/rtnetlink.7:99
1394 msgid "IFLA_UNSPEC:-:unspecified.\n"
1398 #: build/C/man7/rtnetlink.7:100
1400 msgid "IFLA_ADDRESS:hardware address:interface L2 address\n"
1404 #: build/C/man7/rtnetlink.7:101
1406 msgid "IFLA_BROADCAST:hardware address:L2 broadcast address.\n"
1410 #: build/C/man7/rtnetlink.7:102
1412 msgid "IFLA_IFNAME:asciiz string:Device name.\n"
1416 #: build/C/man7/rtnetlink.7:103
1418 msgid "IFLA_MTU:unsigned int:MTU of the device.\n"
1422 #: build/C/man7/rtnetlink.7:104
1424 msgid "IFLA_LINK:int:Link type.\n"
1428 #: build/C/man7/rtnetlink.7:105
1430 msgid "IFLA_QDISC:asciiz string:Queueing discipline.\n"
1434 #: build/C/man7/rtnetlink.7:106
1436 msgid "IFLA_STATS:T{\n"
1440 #: build/C/man7/rtnetlink.7:107
1446 #: build/C/man7/rtnetlink.7:108
1448 msgid "T}:Interface Statistics.\n"
1452 #: build/C/man7/rtnetlink.7:117
1454 "The value type for B<IFLA_STATS> is I<struct rtnl_link_stats> (I<struct "
1455 "net_device_stats> in Linux 2.4 and earlier)."
1459 #: build/C/man7/rtnetlink.7:117
1461 msgid "B<RTM_NEWADDR>, B<RTM_DELADDR>, B<RTM_GETADDR>"
1465 #: build/C/man7/rtnetlink.7:130
1467 "Add, remove or receive information about an IP address associated with an "
1468 "interface. In Linux 2.2, an interface can carry multiple IP addresses, this "
1469 "replaces the alias device concept in 2.0. In Linux 2.2, these messages "
1470 "support IPv4 and IPv6 addresses. They contain an I<ifaddrmsg> structure, "
1471 "optionally followed by I<rtattr> routing attributes."
1475 #: build/C/man7/rtnetlink.7:139
1478 "struct ifaddrmsg {\n"
1479 " unsigned char ifa_family; /* Address type */\n"
1480 " unsigned char ifa_prefixlen; /* Prefixlength of address */\n"
1481 " unsigned char ifa_flags; /* Address flags */\n"
1482 " unsigned char ifa_scope; /* Address scope */\n"
1483 " int ifa_index; /* Interface index */\n"
1488 #: build/C/man7/rtnetlink.7:159
1490 "I<ifa_family> is the address family type (currently B<AF_INET> or "
1491 "B<AF_INET6>), I<ifa_prefixlen> is the length of the address mask of the "
1492 "address if defined for the family (like for IPv4), I<ifa_scope> is the "
1493 "address scope, I<ifa_index> is the interface index of the interface the "
1494 "address is associated with. I<ifa_flags> is a flag word of "
1495 "B<IFA_F_SECONDARY> for secondary address (old alias interface), "
1496 "B<IFA_F_PERMANENT> for a permanent address set by the user and other "
1497 "undocumented flags."
1501 #: build/C/man7/rtnetlink.7:163 build/C/man7/rtnetlink.7:312 build/C/man7/rtnetlink.7:430
1503 msgid "Attributes\n"
1507 #: build/C/man7/rtnetlink.7:166
1509 msgid "IFA_UNSPEC:-:unspecified.\n"
1513 #: build/C/man7/rtnetlink.7:167
1515 msgid "IFA_ADDRESS:raw protocol address:interface address\n"
1519 #: build/C/man7/rtnetlink.7:168
1521 msgid "IFA_LOCAL:raw protocol address:local address\n"
1525 #: build/C/man7/rtnetlink.7:169
1527 msgid "IFA_LABEL:asciiz string:name of the interface\n"
1531 #: build/C/man7/rtnetlink.7:170
1533 msgid "IFA_BROADCAST:raw protocol address:broadcast address.\n"
1537 #: build/C/man7/rtnetlink.7:171
1539 msgid "IFA_ANYCAST:raw protocol address:anycast address\n"
1543 #: build/C/man7/rtnetlink.7:172
1545 msgid "IFA_CACHEINFO:struct ifa_cacheinfo:Address information.\n"
1549 #: build/C/man7/rtnetlink.7:175
1551 msgid "B<RTM_NEWROUTE>, B<RTM_DELROUTE>, B<RTM_GETROUTE>"
1555 #: build/C/man7/rtnetlink.7:195
1557 "Create, remove or receive information about a network route. These messages "
1558 "contain an I<rtmsg> structure with an optional sequence of I<rtattr> "
1559 "structures following. For B<RTM_GETROUTE>, setting I<rtm_dst_len> and "
1560 "I<rtm_src_len> to 0 means you get all entries for the specified routing "
1561 "table. For the other fields, except I<rtm_table> and I<rtm_protocol>, 0 is "
1566 #: build/C/man7/rtnetlink.7:202
1570 " unsigned char rtm_family; /* Address family of route */\n"
1571 " unsigned char rtm_dst_len; /* Length of destination */\n"
1572 " unsigned char rtm_src_len; /* Length of source */\n"
1573 " unsigned char rtm_tos; /* TOS filter */\n"
1577 #: build/C/man7/rtnetlink.7:207
1580 " unsigned char rtm_table; /* Routing table ID */\n"
1581 " unsigned char rtm_protocol; /* Routing protocol; see below */\n"
1582 " unsigned char rtm_scope; /* See below */\n"
1583 " unsigned char rtm_type; /* See below */\n"
1587 #: build/C/man7/rtnetlink.7:210
1590 " unsigned int rtm_flags;\n"
1595 #: build/C/man7/rtnetlink.7:214
1597 msgid "rtm_type:Route type\n"
1601 #: build/C/man7/rtnetlink.7:216
1603 msgid "RTN_UNSPEC:unknown route\n"
1607 #: build/C/man7/rtnetlink.7:217
1609 msgid "RTN_UNICAST:a gateway or direct route\n"
1613 #: build/C/man7/rtnetlink.7:218
1615 msgid "RTN_LOCAL:a local interface route\n"
1619 #: build/C/man7/rtnetlink.7:219
1621 msgid "RTN_BROADCAST:T{\n"
1625 #: build/C/man7/rtnetlink.7:220
1627 msgid "a local broadcast route (sent as a broadcast)\n"
1631 #: build/C/man7/rtnetlink.7:222
1633 msgid "RTN_ANYCAST:T{\n"
1637 #: build/C/man7/rtnetlink.7:223
1639 msgid "a local broadcast route (sent as a unicast)\n"
1643 #: build/C/man7/rtnetlink.7:225
1645 msgid "RTN_MULTICAST:a multicast route\n"
1649 #: build/C/man7/rtnetlink.7:226
1651 msgid "RTN_BLACKHOLE:a packet dropping route\n"
1655 #: build/C/man7/rtnetlink.7:227
1657 msgid "RTN_UNREACHABLE:an unreachable destination\n"
1661 #: build/C/man7/rtnetlink.7:228
1663 msgid "RTN_PROHIBIT:a packet rejection route\n"
1667 #: build/C/man7/rtnetlink.7:229
1669 msgid "RTN_THROW:continue routing lookup in another table\n"
1673 #: build/C/man7/rtnetlink.7:230
1675 msgid "RTN_NAT:a network address translation rule\n"
1679 #: build/C/man7/rtnetlink.7:231
1681 msgid "RTN_XRESOLVE:T{\n"
1685 #: build/C/man7/rtnetlink.7:232
1687 msgid "refer to an external resolver (not implemented)\n"
1691 #: build/C/man7/rtnetlink.7:238
1693 msgid "rtm_protocol:Route origin.\n"
1697 #: build/C/man7/rtnetlink.7:240
1699 msgid "RTPROT_UNSPEC:unknown\n"
1703 #: build/C/man7/rtnetlink.7:241
1705 msgid "RTPROT_REDIRECT:T{\n"
1709 #: build/C/man7/rtnetlink.7:242
1711 msgid "by an ICMP redirect (currently unused)\n"
1715 #: build/C/man7/rtnetlink.7:244
1717 msgid "RTPROT_KERNEL:by the kernel\n"
1721 #: build/C/man7/rtnetlink.7:245
1723 msgid "RTPROT_BOOT:during boot\n"
1727 #: build/C/man7/rtnetlink.7:246
1729 msgid "RTPROT_STATIC:by the administrator\n"
1733 #: build/C/man7/rtnetlink.7:257
1735 "Values larger than B<RTPROT_STATIC> are not interpreted by the kernel, they "
1736 "are just for user information. They may be used to tag the source of a "
1737 "routing information or to distinguish between multiple routing daemons. See "
1738 "I<E<lt>linux/rtnetlink.hE<gt>> for the routing daemon identifiers which are "
1743 #: build/C/man7/rtnetlink.7:260
1744 msgid "I<rtm_scope> is the distance to the destination:"
1748 #: build/C/man7/rtnetlink.7:263
1750 msgid "RT_SCOPE_UNIVERSE:global route\n"
1754 #: build/C/man7/rtnetlink.7:264
1756 msgid "RT_SCOPE_SITE:T{\n"
1760 #: build/C/man7/rtnetlink.7:265
1762 msgid "interior route in the local autonomous system\n"
1766 #: build/C/man7/rtnetlink.7:267
1768 msgid "RT_SCOPE_LINK:route on this link\n"
1772 #: build/C/man7/rtnetlink.7:268
1774 msgid "RT_SCOPE_HOST:route on the local host\n"
1778 #: build/C/man7/rtnetlink.7:269
1780 msgid "RT_SCOPE_NOWHERE:destination doesn't exist\n"
1784 #: build/C/man7/rtnetlink.7:277
1786 "The values between B<RT_SCOPE_UNIVERSE> and B<RT_SCOPE_SITE> are available "
1791 #: build/C/man7/rtnetlink.7:281
1792 msgid "The I<rtm_flags> have the following meanings:"
1796 #: build/C/man7/rtnetlink.7:284
1798 msgid "RTM_F_NOTIFY:T{\n"
1802 #: build/C/man7/rtnetlink.7:285
1804 msgid "if the route changes, notify the user via rtnetlink\n"
1808 #: build/C/man7/rtnetlink.7:287
1810 msgid "RTM_F_CLONED:route is cloned from another route\n"
1814 #: build/C/man7/rtnetlink.7:288
1816 msgid "RTM_F_EQUALIZE:a multipath equalizer (not yet implemented)\n"
1820 #: build/C/man7/rtnetlink.7:293
1821 msgid "I<rtm_table> specifies the routing table"
1825 #: build/C/man7/rtnetlink.7:296
1827 msgid "RT_TABLE_UNSPEC:an unspecified routing table\n"
1831 #: build/C/man7/rtnetlink.7:297
1833 msgid "RT_TABLE_DEFAULT:the default table\n"
1837 #: build/C/man7/rtnetlink.7:298
1839 msgid "RT_TABLE_MAIN:the main table\n"
1843 #: build/C/man7/rtnetlink.7:299
1845 msgid "RT_TABLE_LOCAL:the local table\n"
1848 #. Keep table on same page
1850 #: build/C/man7/rtnetlink.7:307
1852 "The user may assign arbitrary values between B<RT_TABLE_UNSPEC> and "
1853 "B<RT_TABLE_DEFAULT>."
1857 #: build/C/man7/rtnetlink.7:315
1859 msgid "RTA_UNSPEC:-:ignored.\n"
1863 #: build/C/man7/rtnetlink.7:316
1865 msgid "RTA_DST:protocol address:Route destination address.\n"
1869 #: build/C/man7/rtnetlink.7:317
1871 msgid "RTA_SRC:protocol address:Route source address.\n"
1875 #: build/C/man7/rtnetlink.7:318
1877 msgid "RTA_IIF:int:Input interface index.\n"
1881 #: build/C/man7/rtnetlink.7:319
1883 msgid "RTA_OIF:int:Output interface index.\n"
1887 #: build/C/man7/rtnetlink.7:320
1889 msgid "RTA_GATEWAY:protocol address:The gateway of the route\n"
1893 #: build/C/man7/rtnetlink.7:321
1895 msgid "RTA_PRIORITY:int:Priority of route.\n"
1899 #: build/C/man7/rtnetlink.7:322
1901 msgid "RTA_PREFSRC::\n"
1905 #: build/C/man7/rtnetlink.7:323
1907 msgid "RTA_METRICS:int:Route metric\n"
1911 #: build/C/man7/rtnetlink.7:324
1913 msgid "RTA_MULTIPATH::\n"
1917 #: build/C/man7/rtnetlink.7:325
1919 msgid "RTA_PROTOINFO::\n"
1923 #: build/C/man7/rtnetlink.7:326
1925 msgid "RTA_FLOW::\n"
1929 #: build/C/man7/rtnetlink.7:327
1931 msgid "RTA_CACHEINFO::\n"
1935 #: build/C/man7/rtnetlink.7:331
1936 msgid "B<Fill these values in!>"
1940 #: build/C/man7/rtnetlink.7:331
1942 msgid "B<RTM_NEWNEIGH>, B<RTM_DELNEIGH>, B<RTM_GETNEIGH>"
1946 #: build/C/man7/rtnetlink.7:338
1948 "Add, remove or receive information about a neighbor table entry (e.g., an "
1949 "ARP entry). The message contains an I<ndmsg> structure."
1953 #: build/C/man7/rtnetlink.7:347
1957 " unsigned char ndm_family;\n"
1958 " int ndm_ifindex; /* Interface index */\n"
1959 " __u16 ndm_state; /* State */\n"
1960 " __u8 ndm_flags; /* Flags */\n"
1966 #: build/C/man7/rtnetlink.7:354
1969 "struct nda_cacheinfo {\n"
1970 " __u32 ndm_confirmed;\n"
1971 " __u32 ndm_used;\n"
1972 " __u32 ndm_updated;\n"
1973 " __u32 ndm_refcnt;\n"
1978 #: build/C/man7/rtnetlink.7:358
1979 msgid "I<ndm_state> is a bit mask of the following states:"
1983 #: build/C/man7/rtnetlink.7:361
1985 msgid "NUD_INCOMPLETE:a currently resolving cache entry\n"
1989 #: build/C/man7/rtnetlink.7:362
1991 msgid "NUD_REACHABLE:a confirmed working cache entry\n"
1995 #: build/C/man7/rtnetlink.7:363
1997 msgid "NUD_STALE:an expired cache entry\n"
2001 #: build/C/man7/rtnetlink.7:364
2003 msgid "NUD_DELAY:an entry waiting for a timer\n"
2007 #: build/C/man7/rtnetlink.7:365
2009 msgid "NUD_PROBE:a cache entry that is currently reprobed\n"
2013 #: build/C/man7/rtnetlink.7:366
2015 msgid "NUD_FAILED:an invalid cache entry\n"
2019 #: build/C/man7/rtnetlink.7:367
2021 msgid "NUD_NOARP:a device with no destination cache\n"
2025 #: build/C/man7/rtnetlink.7:368
2027 msgid "NUD_PERMANENT:a static entry\n"
2031 #: build/C/man7/rtnetlink.7:374
2032 msgid "Valid I<ndm_flags> are:"
2036 #: build/C/man7/rtnetlink.7:377
2038 msgid "NTF_PROXY:a proxy arp entry\n"
2042 #: build/C/man7/rtnetlink.7:378
2044 msgid "NTF_ROUTER:an IPv6 router\n"
2048 #. document the members of the struct better
2050 #: build/C/man7/rtnetlink.7:388
2051 msgid "The I<rtattr> struct has the following meanings for the I<rta_type> field:"
2055 #: build/C/man7/rtnetlink.7:391
2057 msgid "NDA_UNSPEC:unknown type\n"
2061 #: build/C/man7/rtnetlink.7:392
2063 msgid "NDA_DST:a neighbor cache n/w layer destination address\n"
2067 #: build/C/man7/rtnetlink.7:393
2069 msgid "NDA_LLADDR:a neighbor cache link layer address\n"
2073 #: build/C/man7/rtnetlink.7:394
2075 msgid "NDA_CACHEINFO:cache statistics.\n"
2079 #: build/C/man7/rtnetlink.7:404
2081 "If the I<rta_type> field is B<NDA_CACHEINFO>, then a I<struct nda_cacheinfo> "
2086 #: build/C/man7/rtnetlink.7:404
2088 msgid "B<RTM_NEWRULE>, B<RTM_DELRULE>, B<RTM_GETRULE>"
2092 #: build/C/man7/rtnetlink.7:409
2093 msgid "Add, delete or retrieve a routing rule. Carries a I<struct rtmsg>"
2097 #: build/C/man7/rtnetlink.7:409
2099 msgid "B<RTM_NEWQDISC>, B<RTM_DELQDISC>, B<RTM_GETQDISC>"
2103 #: build/C/man7/rtnetlink.7:416
2105 "Add, remove or get a queueing discipline. The message contains a I<struct "
2106 "tcmsg> and may be followed by a series of attributes."
2110 #: build/C/man7/rtnetlink.7:425
2114 " unsigned char tcm_family;\n"
2115 " int tcm_ifindex; /* interface index */\n"
2116 " __u32 tcm_handle; /* Qdisc handle */\n"
2117 " __u32 tcm_parent; /* Parent qdisc */\n"
2118 " __u32 tcm_info;\n"
2123 #: build/C/man7/rtnetlink.7:431
2125 msgid "rta_type:value type:Description\n"
2129 #: build/C/man7/rtnetlink.7:433
2131 msgid "TCA_UNSPEC:-:unspecified\n"
2135 #: build/C/man7/rtnetlink.7:434
2137 msgid "TCA_KIND:asciiz string:Name of queueing discipline\n"
2141 #: build/C/man7/rtnetlink.7:435
2143 msgid "TCA_OPTIONS:byte sequence:Qdisc-specific options follow\n"
2147 #: build/C/man7/rtnetlink.7:436
2149 msgid "TCA_STATS:struct tc_stats:Qdisc statistics.\n"
2153 #: build/C/man7/rtnetlink.7:437
2155 msgid "TCA_XSTATS:qdisc-specific:Module-specific statistics.\n"
2159 #: build/C/man7/rtnetlink.7:438
2161 msgid "TCA_RATE:struct tc_estimator:Rate limit.\n"
2165 #: build/C/man7/rtnetlink.7:443
2167 "In addition, various other qdisc-module-specific attributes are allowed. "
2168 "For more information see the appropriate include files."
2172 #: build/C/man7/rtnetlink.7:443
2174 msgid "B<RTM_NEWTCLASS>, B<RTM_DELTCLASS>, B<RTM_GETTCLASS>"
2178 #: build/C/man7/rtnetlink.7:449
2180 "Add, remove or get a traffic class. These messages contain a I<struct "
2181 "tcmsg> as described above."
2185 #: build/C/man7/rtnetlink.7:449
2187 msgid "B<RTM_NEWTFILTER>, B<RTM_DELTFILTER>, B<RTM_GETTFILTER>"
2191 #: build/C/man7/rtnetlink.7:455
2193 "Add, remove or receive information about a traffic filter. These messages "
2194 "contain a I<struct tcmsg> as described above."
2198 #: build/C/man7/rtnetlink.7:458
2199 msgid "B<rtnetlink> is a new feature of Linux 2.2."
2203 #: build/C/man7/rtnetlink.7:465
2204 msgid "B<cmsg>(3), B<rtnetlink>(3), B<ip>(7), B<netlink>(7)"