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: 2012-04-25 05:36+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=CHARSET\n"
17 "Content-Transfer-Encoding: 8bit\n"
20 #: build/C/man3/netlink.3:4 build/C/man7/netlink.7:7
26 #: build/C/man3/netlink.3:4
32 #: build/C/man3/netlink.3:4 build/C/man3/rtnetlink.3:7
38 #: build/C/man3/netlink.3:4 build/C/man7/netlink.7:7 build/C/man3/rtnetlink.3:7 build/C/man7/rtnetlink.7:11
40 msgid "Linux Programmer's Manual"
44 #: build/C/man3/netlink.3:5 build/C/man7/netlink.7:8 build/C/man3/rtnetlink.3:8 build/C/man7/rtnetlink.7:12
50 #: build/C/man3/netlink.3:7
51 msgid "netlink - Netlink macros"
55 #: build/C/man3/netlink.3:7 build/C/man7/netlink.7:10 build/C/man3/rtnetlink.3:10 build/C/man7/rtnetlink.7:14
60 #. FIXME . what will glibc 2.1 use here?
61 #. May 2007: glibc 2.5, things look to be unchanged -- the header file
62 #. is still linux/netlink.h -- mtk
64 #: build/C/man3/netlink.3:13
66 msgid "B<#include E<lt>asm/types.hE<gt>>\n"
70 #: build/C/man3/netlink.3:15
72 msgid "B<#include E<lt>linux/netlink.hE<gt>>\n"
76 #: build/C/man3/netlink.3:17
78 msgid "B<int NLMSG_ALIGN(size_t >I<len>B<);>\n"
82 #: build/C/man3/netlink.3:19
84 msgid "B<int NLMSG_LENGTH(size_t >I<len>B<);>\n"
88 #: build/C/man3/netlink.3:21
90 msgid "B<int NLMSG_SPACE(size_t >I<len>B<);>\n"
94 #: build/C/man3/netlink.3:23
96 msgid "B<void *NLMSG_DATA(struct nlmsghdr *>I<nlh>B<);>\n"
100 #: build/C/man3/netlink.3:25
102 msgid "B<struct nlmsghdr *NLMSG_NEXT(struct nlmsghdr *>I<nlh>B<, int >I<len>B<);>\n"
106 #: build/C/man3/netlink.3:27
108 msgid "B<int NLMSG_OK(struct nlmsghdr *>I<nlh>B<, int >I<len>B<);>\n"
112 #: build/C/man3/netlink.3:29
114 msgid "B<int NLMSG_PAYLOAD(struct nlmsghdr *>I<nlh>B<, int >I<len>B<);>\n"
118 #: build/C/man3/netlink.3:30 build/C/man7/netlink.7:18 build/C/man3/rtnetlink.3:34 build/C/man7/rtnetlink.7:24
124 #: build/C/man3/netlink.3:38
126 "I<E<lt>linux/netlink.hE<gt>> defines several standard macros to access or "
127 "create a netlink datagram. They are similar in spirit to the macros defined "
128 "in B<cmsg>(3) for auxiliary data. The buffer passed to and from a netlink "
129 "socket should only be accessed using these macros."
133 #: build/C/man3/netlink.3:38
135 msgid "B<NLMSG_ALIGN>()"
139 #: build/C/man3/netlink.3:41
140 msgid "Round the length of a netlink message up to align it properly."
144 #: build/C/man3/netlink.3:41
146 msgid "B<NLMSG_LENGTH>()"
150 #: build/C/man3/netlink.3:49
152 "Given the payload length, I<len>, this macro returns the aligned length to "
153 "store in the I<nlmsg_len> field of the I<nlmsghdr>."
157 #: build/C/man3/netlink.3:49
159 msgid "B<NLMSG_SPACE>()"
163 #: build/C/man3/netlink.3:54
165 "Return the number of bytes that a netlink message with payload of I<len> "
170 #: build/C/man3/netlink.3:54
172 msgid "B<NLMSG_DATA>()"
176 #: build/C/man3/netlink.3:58
177 msgid "Return a pointer to the payload associated with the passed I<nlmsghdr>."
180 #. this is bizarre, maybe the interface should be fixed.
182 #: build/C/man3/netlink.3:58
184 msgid "B<NLMSG_NEXT>()"
188 #: build/C/man3/netlink.3:74
190 "Get the next I<nlmsghdr> in a multipart message. The caller must check if "
191 "the current I<nlmsghdr> didn't have the B<NLMSG_DONE> set\\(emthis function "
192 "doesn't return NULL on end. The I<len> argument is an lvalue containing the "
193 "remaining length of the message buffer. This macro decrements it by the "
194 "length of the message header."
198 #: build/C/man3/netlink.3:74
200 msgid "B<NLMSG_OK>()"
204 #: build/C/man3/netlink.3:78
206 "Return true if the netlink message is not truncated and is in a form "
207 "suitable for parsing."
211 #: build/C/man3/netlink.3:78
213 msgid "B<NLMSG_PAYLOAD>()"
217 #: build/C/man3/netlink.3:82
218 msgid "Return the length of the payload associated with the I<nlmsghdr>."
222 #: build/C/man3/netlink.3:82 build/C/man3/rtnetlink.3:78
224 msgid "CONFORMING TO"
228 #: build/C/man3/netlink.3:84 build/C/man3/rtnetlink.3:80
229 msgid "These macros are nonstandard Linux extensions."
233 #: build/C/man3/netlink.3:84 build/C/man7/netlink.7:375
239 #: build/C/man3/netlink.3:88
241 "It is often better to use netlink via I<libnetlink> than via the low-level "
246 #: build/C/man3/netlink.3:88 build/C/man7/netlink.7:458 build/C/man3/rtnetlink.3:118 build/C/man7/rtnetlink.7:445
252 #: build/C/man3/netlink.3:90
253 msgid "B<netlink>(7)"
257 #: build/C/man3/netlink.3:91
258 msgid "and ftp://ftp.inr.ac.ru/ip-routing/iproute2* for libnetlink"
262 #: build/C/man7/netlink.7:7
268 #: build/C/man7/netlink.7:7 build/C/man7/rtnetlink.7:11
274 #: build/C/man7/netlink.7:10
275 msgid "netlink - Communication between kernel and userspace (AF_NETLINK)"
279 #: build/C/man7/netlink.7:15
282 "B<#include E<lt>asm/types.hE<gt>>\n"
283 "B<#include E<lt>sys/socket.hE<gt>>\n"
284 "B<#include E<lt>linux/netlink.hE<gt>>\n"
288 #: build/C/man7/netlink.7:17
291 "B<netlink_socket = socket(AF_NETLINK, >I<socket_type>B<, "
292 ">I<netlink_family>B<);>\n"
296 #: build/C/man7/netlink.7:27
298 "Netlink is used to transfer information between kernel and userspace "
299 "processes. It consists of a standard sockets-based interface for userspace "
300 "processes and an internal kernel API for kernel modules. The internal "
301 "kernel interface is not documented in this manual page. There is also an "
302 "obsolete netlink interface via netlink character devices; this interface is "
303 "not documented here and is only provided for backward compatibility."
307 #: build/C/man7/netlink.7:37
309 "Netlink is a datagram-oriented service. Both B<SOCK_RAW> and B<SOCK_DGRAM> "
310 "are valid values for I<socket_type>. However, the netlink protocol does not "
311 "distinguish between datagram and raw sockets."
315 #: build/C/man7/netlink.7:41
317 "I<netlink_family> selects the kernel module or netlink group to communicate "
318 "with. The currently assigned netlink families are:"
322 #: build/C/man7/netlink.7:41
324 msgid "B<NETLINK_ROUTE>"
328 #: build/C/man7/netlink.7:48
330 "Receives routing and link updates and may be used to modify the routing "
331 "tables (both IPv4 and IPv6), IP addresses, link parameters, neighbor setups, "
332 "queueing disciplines, traffic classes and packet classifiers (see "
337 #: build/C/man7/netlink.7:48
339 msgid "B<NETLINK_W1>"
343 #: build/C/man7/netlink.7:51
344 msgid "Messages from 1-wire subsystem."
348 #: build/C/man7/netlink.7:51
350 msgid "B<NETLINK_USERSOCK>"
354 #: build/C/man7/netlink.7:54
355 msgid "Reserved for user-mode socket protocols."
359 #: build/C/man7/netlink.7:54
361 msgid "B<NETLINK_FIREWALL>"
365 #: build/C/man7/netlink.7:60
367 "Transport IPv4 packets from netfilter to userspace. Used by I<ip_queue> "
372 #: build/C/man7/netlink.7:60
374 msgid "B<NETLINK_INET_DIAG>"
377 #. FIXME More details on NETLINK_INET_DIAG needed.
379 #: build/C/man7/netlink.7:64
380 msgid "INET socket monitoring."
384 #: build/C/man7/netlink.7:64
386 msgid "B<NETLINK_NFLOG>"
390 #: build/C/man7/netlink.7:67
391 msgid "Netfilter/iptables ULOG."
395 #: build/C/man7/netlink.7:67
397 msgid "B<NETLINK_XFRM>"
400 #. FIXME More details on NETLINK_XFRM needed.
402 #: build/C/man7/netlink.7:71
407 #: build/C/man7/netlink.7:71
409 msgid "B<NETLINK_SELINUX>"
413 #: build/C/man7/netlink.7:74
414 msgid "SELinux event notifications."
418 #: build/C/man7/netlink.7:74
420 msgid "B<NETLINK_ISCSI>"
423 #. FIXME More details on NETLINK_ISCSI needed.
425 #: build/C/man7/netlink.7:78
430 #: build/C/man7/netlink.7:78
432 msgid "B<NETLINK_AUDIT>"
435 #. FIXME More details on NETLINK_AUDIT needed.
437 #: build/C/man7/netlink.7:82
442 #: build/C/man7/netlink.7:82
444 msgid "B<NETLINK_FIB_LOOKUP>"
447 #. FIXME More details on NETLINK_FIB_LOOKUP needed.
449 #: build/C/man7/netlink.7:86
450 msgid "Access to FIB lookup from userspace."
454 #: build/C/man7/netlink.7:86
456 msgid "B<NETLINK_CONNECTOR>"
460 #: build/C/man7/netlink.7:92
462 "Kernel connector. See I<Documentation/connector/*> in the kernel source for "
463 "further information."
467 #: build/C/man7/netlink.7:92
469 msgid "B<NETLINK_NETFILTER>"
472 #. FIXME More details on NETLINK_NETFILTER needed.
474 #: build/C/man7/netlink.7:96
475 msgid "Netfilter subsystem."
479 #: build/C/man7/netlink.7:96
481 msgid "B<NETLINK_IP6_FW>"
485 #: build/C/man7/netlink.7:102
487 "Transport IPv6 packets from netfilter to userspace. Used by I<ip6_queue> "
492 #: build/C/man7/netlink.7:102
494 msgid "B<NETLINK_DNRTMSG>"
498 #: build/C/man7/netlink.7:105
499 msgid "DECnet routing messages."
503 #: build/C/man7/netlink.7:105
505 msgid "B<NETLINK_KOBJECT_UEVENT>"
508 #. FIXME More details on NETLINK_KOBJECT_UEVENT needed.
510 #: build/C/man7/netlink.7:109
511 msgid "Kernel messages to userspace."
515 #: build/C/man7/netlink.7:109
517 msgid "B<NETLINK_GENERIC>"
521 #: build/C/man7/netlink.7:112
522 msgid "Generic netlink family for simplified netlink usage."
526 #: build/C/man7/netlink.7:122
528 "Netlink messages consist of a byte stream with one or multiple I<nlmsghdr> "
529 "headers and associated payload. The byte stream should only be accessed "
530 "with the standard B<NLMSG_*> macros. See B<netlink>(3) for further "
535 #: build/C/man7/netlink.7:130
537 "In multipart messages (multiple I<nlmsghdr> headers with associated payload "
538 "in one byte stream) the first and all following headers have the "
539 "B<NLM_F_MULTI> flag set, except for the last header which has the type "
544 #: build/C/man7/netlink.7:134
545 msgid "After each I<nlmsghdr> the payload follows."
549 #: build/C/man7/netlink.7:144
552 "struct nlmsghdr {\n"
553 " __u32 nlmsg_len; /* Length of message including header. */\n"
554 " __u16 nlmsg_type; /* Type of message content. */\n"
555 " __u16 nlmsg_flags; /* Additional flags. */\n"
556 " __u32 nlmsg_seq; /* Sequence number. */\n"
557 " __u32 nlmsg_pid; /* PID of the sending process. */\n"
562 #: build/C/man7/netlink.7:157
564 "I<nlmsg_type> can be one of the standard message types: B<NLMSG_NOOP> "
565 "message is to be ignored, B<NLMSG_ERROR> message signals an error and the "
566 "payload contains an I<nlmsgerr> structure, B<NLMSG_DONE> message terminates "
567 "a multipart message."
571 #: build/C/man7/netlink.7:164
574 "struct nlmsgerr {\n"
575 " int error; /* Negative errno or 0 for acknowledgements */\n"
576 " struct nlmsghdr msg; /* Message header that caused the error */\n"
581 #: build/C/man7/netlink.7:172
583 "A netlink family usually specifies more message types, see the appropriate "
584 "manual pages for that, for example, B<rtnetlink>(7) for B<NETLINK_ROUTE>."
588 #: build/C/man7/netlink.7:175
589 msgid "Standard flag bits in I<nlmsg_flags>"
593 #: build/C/man7/netlink.7:177
594 msgid "---------------------------------"
598 #: build/C/man7/netlink.7:180
600 msgid "NLM_F_REQUEST:Must be set on all request messages.\n"
604 #: build/C/man7/netlink.7:181
606 msgid "NLM_F_MULTI:T{\n"
610 #: build/C/man7/netlink.7:182
612 msgid "The message is part of a multipart message terminated by\n"
616 #: build/C/man7/netlink.7:183
618 msgid "B<NLMSG_DONE>.\n"
622 #: build/C/man7/netlink.7:184 build/C/man7/netlink.7:199 build/C/man7/rtnetlink.7:208 build/C/man7/rtnetlink.7:211 build/C/man7/rtnetlink.7:220 build/C/man7/rtnetlink.7:230 build/C/man7/rtnetlink.7:253 build/C/man7/rtnetlink.7:273
628 #: build/C/man7/netlink.7:185
630 msgid "NLM_F_ACK:Request for an acknowledgment on success.\n"
634 #: build/C/man7/netlink.7:186
636 msgid "NLM_F_ECHO:Echo this request.\n"
640 #: build/C/man7/netlink.7:190
641 msgid "Additional flag bits for GET requests"
645 #: build/C/man7/netlink.7:192 build/C/man7/netlink.7:214
646 msgid "-------------------------------------"
650 #: build/C/man7/netlink.7:195
652 msgid "NLM_F_ROOT:Return the complete table instead of a single entry.\n"
656 #: build/C/man7/netlink.7:196
658 msgid "NLM_F_MATCH:T{\n"
662 #: build/C/man7/netlink.7:197
664 msgid "Return all entries matching criteria passed in message content.\n"
668 #: build/C/man7/netlink.7:198
670 msgid "Not implemented yet.\n"
673 #. FIXME NLM_F_ATOMIC is not used any more?
675 #: build/C/man7/netlink.7:201
677 msgid "NLM_F_ATOMIC:Return an atomic snapshot of the table.\n"
681 #: build/C/man7/netlink.7:202
683 msgid "NLM_F_DUMP:Convenience macro; equivalent to (NLM_F_ROOT|NLM_F_MATCH).\n"
687 #: build/C/man7/netlink.7:210
689 "Note that B<NLM_F_ATOMIC> requires the B<CAP_NET_ADMIN> capability or an "
690 "effective UID of 0."
694 #: build/C/man7/netlink.7:212
695 msgid "Additional flag bits for NEW requests"
699 #: build/C/man7/netlink.7:217
701 msgid "NLM_F_REPLACE:Replace existing matching object.\n"
705 #: build/C/man7/netlink.7:218
707 msgid "NLM_F_EXCL:Don't replace if the object already exists.\n"
711 #: build/C/man7/netlink.7:219
713 msgid "NLM_F_CREATE:Create object if it doesn't already exist.\n"
717 #: build/C/man7/netlink.7:220
719 msgid "NLM_F_APPEND:Add to the end of the object list.\n"
723 #: build/C/man7/netlink.7:236
725 "I<nlmsg_seq> and I<nlmsg_pid> are used to track messages. I<nlmsg_pid> "
726 "shows the origin of the message. Note that there isn't a 1:1 relationship "
727 "between I<nlmsg_pid> and the PID of the process if the message originated "
728 "from a netlink socket. See the B<ADDRESS FORMATS> section for further "
732 #. FIXME Explain more about nlmsg_seq and nlmsg_pid.
734 #: build/C/man7/netlink.7:243
735 msgid "Both I<nlmsg_seq> and I<nlmsg_pid> are opaque to netlink core."
739 #: build/C/man7/netlink.7:261
741 "Netlink is not a reliable protocol. It tries its best to deliver a message "
742 "to its destination(s), but may drop messages when an out-of-memory condition "
743 "or other error occurs. For reliable transfer the sender can request an "
744 "acknowledgement from the receiver by setting the B<NLM_F_ACK> flag. An "
745 "acknowledgment is an B<NLMSG_ERROR> packet with the error field set to 0. "
746 "The application must generate acknowledgements for received messages "
747 "itself. The kernel tries to send an B<NLMSG_ERROR> message for every failed "
748 "packet. A user process should follow this convention too."
752 #: build/C/man7/netlink.7:272
754 "However, reliable transmissions from kernel to user are impossible in any "
755 "case. The kernel can't send a netlink message if the socket buffer is full: "
756 "the message will be dropped and the kernel and the userspace process will no "
757 "longer have the same view of kernel state. It is up to the application to "
758 "detect when this happens (via the B<ENOBUFS> error returned by "
759 "B<recvmsg>(2)) and resynchronize."
763 #: build/C/man7/netlink.7:272
765 msgid "Address Formats"
769 #: build/C/man7/netlink.7:282
771 "The I<sockaddr_nl> structure describes a netlink client in user space or in "
772 "the kernel. A I<sockaddr_nl> can be either unicast (only sent to one peer) "
773 "or sent to netlink multicast groups (I<nl_groups> not equal 0)."
777 #: build/C/man7/netlink.7:291
780 "struct sockaddr_nl {\n"
781 " sa_family_t nl_family; /* AF_NETLINK */\n"
782 " unsigned short nl_pad; /* Zero. */\n"
783 " pid_t nl_pid; /* Process ID. */\n"
784 " __u32 nl_groups; /* Multicast groups mask. */\n"
789 #: build/C/man7/netlink.7:322
791 "I<nl_pid> is the unicast address of netlink socket. It's always 0 if the "
792 "destination is in the kernel. For a userspace process, I<nl_pid> is usually "
793 "the PID of the process owning the destination socket. However, I<nl_pid> "
794 "identifies a netlink socket, not a process. If a process owns several "
795 "netlink sockets, then I<nl_pid> can only be equal to the process ID for at "
796 "most one socket. There are two ways to assign I<nl_pid> to a netlink "
797 "socket. If the application sets I<nl_pid> before calling B<bind>(2), then "
798 "it is up to the application to make sure that I<nl_pid> is unique. If the "
799 "application sets it to 0, the kernel takes care of assigning it. The kernel "
800 "assigns the process ID to the first netlink socket the process opens and "
801 "assigns a unique I<nl_pid> to every netlink socket that the process "
802 "subsequently creates."
806 #: build/C/man7/netlink.7:356
808 "I<nl_groups> is a bit mask with every bit representing a netlink group "
809 "number. Each netlink family has a set of 32 multicast groups. When "
810 "B<bind>(2) is called on the socket, the I<nl_groups> field in the "
811 "I<sockaddr_nl> should be set to a bit mask of the groups which it wishes to "
812 "listen to. The default value for this field is zero which means that no "
813 "multicasts will be received. A socket may multicast messages to any of the "
814 "multicast groups by setting I<nl_groups> to a bit mask of the groups it "
815 "wishes to send to when it calls B<sendmsg>(2) or does a B<connect>(2). "
816 "Only processes with an effective UID of 0 or the B<CAP_NET_ADMIN> capability "
817 "may send or listen to a netlink multicast group. Any replies to a message "
818 "received for a multicast group should be sent back to the sending PID and "
819 "the multicast group. Some Linux kernel subsystems may additionally allow "
820 "other users to send and/or receive messages. As at Linux 3.0, the "
821 "B<NETLINK_KOBJECT_UEVENT>, B<NETLINK_GENERIC>, B<NETLINK_ROUTE>, and "
822 "B<NETLINK_SELINUX> groups allow other users to receive messages. No groups "
823 "allow other users to send messages."
827 #: build/C/man7/netlink.7:356 build/C/man7/rtnetlink.7:440
833 #: build/C/man7/netlink.7:358
834 msgid "The socket interface to netlink is a new feature of Linux 2.2."
838 #: build/C/man7/netlink.7:362
840 "Linux 2.0 supported a more primitive device-based netlink interface (which "
841 "is still available as a compatibility option). This obsolete interface is "
842 "not described here."
846 #: build/C/man7/netlink.7:364
847 msgid "NETLINK_SELINUX appeared in Linux 2.6.4."
851 #: build/C/man7/netlink.7:366
852 msgid "NETLINK_AUDIT appeared in Linux 2.6.6."
856 #: build/C/man7/netlink.7:368
857 msgid "NETLINK_KOBJECT_UEVENT appeared in Linux 2.6.10."
861 #: build/C/man7/netlink.7:370
862 msgid "NETLINK_W1 and NETLINK_FIB_LOOKUP appeared in Linux 2.6.13."
866 #: build/C/man7/netlink.7:373
868 "NETLINK_INET_DIAG, NETLINK_CONNECTOR and NETLINK_NETFILTER appeared in Linux "
873 #: build/C/man7/netlink.7:375
874 msgid "NETLINK_GENERIC and NETLINK_ISCSI appeared in Linux 2.6.15."
878 #: build/C/man7/netlink.7:381
880 "It is often better to use netlink via I<libnetlink> or I<libnl> than via the "
881 "low-level kernel interface."
885 #: build/C/man7/netlink.7:381 build/C/man3/rtnetlink.3:80 build/C/man7/rtnetlink.7:443
891 #: build/C/man7/netlink.7:383
892 msgid "This manual page is not complete."
896 #: build/C/man7/netlink.7:383 build/C/man3/rtnetlink.3:82
902 #: build/C/man7/netlink.7:391
904 "The following example creates a B<NETLINK_ROUTE> netlink socket which will "
905 "listen to the B<RTMGRP_LINK> (network interface create/delete/up/down "
906 "events) and B<RTMGRP_IPV4_IFADDR> (IPv4 addresses add/delete events) "
911 #: build/C/man7/netlink.7:395
913 msgid "struct sockaddr_nl sa;\n"
917 #: build/C/man7/netlink.7:399
920 "memset(&sa, 0, sizeof(sa));\n"
921 "sa.nl_family = AF_NETLINK;\n"
922 "sa.nl_groups = RTMGRP_LINK | RTMGRP_IPV4_IFADDR;\n"
926 #: build/C/man7/netlink.7:402
929 "fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);\n"
930 "bind(fd, (struct sockaddr *) &sa, sizeof(sa));\n"
934 #: build/C/man7/netlink.7:409
936 "The next example demonstrates how to send a netlink message to the kernel "
937 "(pid 0). Note that application must take care of message sequence numbers "
938 "in order to reliably track acknowledgements."
942 #: build/C/man7/netlink.7:416
945 "struct nlmsghdr *nh; /* The nlmsghdr with payload to send. */\n"
946 "struct sockaddr_nl sa;\n"
947 "struct iovec iov = { (void *) nh, nh-E<gt>nlmsg_len };\n"
948 "struct msghdr msg;\n"
952 #: build/C/man7/netlink.7:424
955 "msg = { (void *)&sa, sizeof(sa), &iov, 1, NULL, 0, 0 };\n"
956 "memset(&sa, 0, sizeof(sa));\n"
957 "sa.nl_family = AF_NETLINK;\n"
958 "nh-E<gt>nlmsg_pid = 0;\n"
959 "nh-E<gt>nlmsg_seq = ++sequence_number;\n"
960 "/* Request an ack from kernel by setting NLM_F_ACK. */\n"
961 "nh-E<gt>nlmsg_flags |= NLM_F_ACK;\n"
965 #: build/C/man7/netlink.7:426
967 msgid "sendmsg(fd, &msg, 0);\n"
971 #: build/C/man7/netlink.7:430
972 msgid "And the last example is about reading netlink message."
976 #: build/C/man7/netlink.7:439
981 "struct iovec iov = { buf, sizeof(buf) };\n"
982 "struct sockaddr_nl sa;\n"
983 "struct msghdr msg;\n"
984 "struct nlmsghdr *nh;\n"
988 #: build/C/man7/netlink.7:442
991 "msg = { (void *)&sa, sizeof(sa), &iov, 1, NULL, 0, 0 };\n"
992 "len = recvmsg(fd, &msg, 0);\n"
996 #: build/C/man7/netlink.7:448
999 "for (nh = (struct nlmsghdr *) buf; NLMSG_OK (nh, len);\n"
1000 " nh = NLMSG_NEXT (nh, len)) {\n"
1001 " /* The end of multipart message. */\n"
1002 " if (nh-E<gt>nlmsg_type == NLMSG_DONE)\n"
1007 #: build/C/man7/netlink.7:452
1010 " if (nh-E<gt>nlmsg_type == NLMSG_ERROR)\n"
1011 " /* Do some error handling. */\n"
1016 #: build/C/man7/netlink.7:456
1019 " /* Continue with parsing payload. */\n"
1025 #: build/C/man7/netlink.7:463
1026 msgid "B<cmsg>(3), B<netlink>(3), B<capabilities>(7), B<rtnetlink>(7)"
1030 #: build/C/man7/netlink.7:466
1031 msgid "ftp://ftp.inr.ac.ru/ip-routing/iproute2* for information about libnetlink."
1035 #: build/C/man7/netlink.7:469
1036 msgid "http://people.suug.ch/~tgr/libnl/ for information about libnl."
1040 #: build/C/man7/netlink.7:470
1041 msgid "RFC 3549 \"Linux Netlink as an IP Services Protocol\""
1045 #: build/C/man3/rtnetlink.3:7 build/C/man7/rtnetlink.7:11
1051 #: build/C/man3/rtnetlink.3:7
1057 #: build/C/man3/rtnetlink.3:10
1058 msgid "rtnetlink - macros to manipulate rtnetlink messages"
1062 #: build/C/man3/rtnetlink.3:12 build/C/man7/rtnetlink.7:16
1063 msgid "B<#include E<lt>asm/types.hE<gt>>"
1067 #: build/C/man3/rtnetlink.3:14 build/C/man7/rtnetlink.7:18
1068 msgid "B<#include E<lt>linux/netlink.hE<gt>>"
1072 #: build/C/man3/rtnetlink.3:16 build/C/man7/rtnetlink.7:20
1073 msgid "B<#include E<lt>linux/rtnetlink.hE<gt>>"
1077 #: build/C/man3/rtnetlink.3:18 build/C/man7/rtnetlink.7:22
1078 msgid "B<#include E<lt>sys/socket.hE<gt>>"
1082 #: build/C/man3/rtnetlink.3:21 build/C/man7/rtnetlink.7:24
1084 "B<rtnetlink_socket = socket(AF_NETLINK, int >I<socket_type>B<, "
1089 #: build/C/man3/rtnetlink.3:23
1090 msgid "B<int RTA_OK(struct rtattr *>I<rta>B<, int >I<rtabuflen>B<);>"
1094 #: build/C/man3/rtnetlink.3:25
1095 msgid "B<void *RTA_DATA(struct rtattr *>I<rta>B<);>"
1099 #: build/C/man3/rtnetlink.3:27
1100 msgid "B<unsigned int RTA_PAYLOAD(struct rtattr *>I<rta>B<);>"
1104 #: build/C/man3/rtnetlink.3:30
1106 "B<struct rtattr *RTA_NEXT(struct rtattr *>I<rta>B<, unsigned int "
1107 ">I<rtabuflen>B<);>"
1111 #: build/C/man3/rtnetlink.3:32
1112 msgid "B<unsigned int RTA_LENGTH(unsigned int >I<length>B<);>"
1116 #: build/C/man3/rtnetlink.3:34
1117 msgid "B<unsigned int RTA_SPACE(unsigned int >I<length>B<);>"
1121 #: build/C/man3/rtnetlink.3:42
1123 "All B<rtnetlink>(7) messages consist of a B<netlink>(7) message header and "
1124 "appended attributes. The attributes should be only manipulated using the "
1125 "macros provided here."
1129 #: build/C/man3/rtnetlink.3:53
1131 "B<RTA_OK(>I<rta>B<, >I<attrlen>B<)> returns true if I<rta> points to a valid "
1132 "routing attribute; I<attrlen> is the running length of the attribute "
1133 "buffer. When not true then you must assume there are no more attributes in "
1134 "the message, even if I<attrlen> is nonzero."
1138 #: build/C/man3/rtnetlink.3:56
1140 "B<RTA_DATA(>I<rta>B<)> returns a pointer to the start of this attribute's "
1145 #: build/C/man3/rtnetlink.3:59
1146 msgid "B<RTA_PAYLOAD(>I<rta>B<)> returns the length of this attribute's data."
1150 #: build/C/man3/rtnetlink.3:68
1152 "B<RTA_NEXT(>I<rta>B<, >I<attrlen>B<)> gets the next attribute after I<rta>. "
1153 "Calling this macro will update I<attrlen>. You should use B<RTA_OK> to "
1154 "check the validity of the returned pointer."
1158 #: build/C/man3/rtnetlink.3:73
1160 "B<RTA_LENGTH(>I<len>B<)> returns the length which is required for I<len> "
1161 "bytes of data plus the header."
1165 #: build/C/man3/rtnetlink.3:78
1167 "B<RTA_SPACE(>I<len>B<)> returns the amount of space which will be needed in "
1168 "a message with I<len> bytes of data."
1172 #: build/C/man3/rtnetlink.3:82 build/C/man7/rtnetlink.7:445
1173 msgid "This manual page is incomplete."
1176 #. FIXME ? would be better to use libnetlink in the EXAMPLE code here
1178 #: build/C/man3/rtnetlink.3:86
1179 msgid "Creating a rtnetlink message to set the MTU of a device:"
1183 #: build/C/man3/rtnetlink.3:88
1185 msgid " #include E<lt>linux/rtnetlink.hE<gt>\n"
1189 #: build/C/man3/rtnetlink.3:90
1195 #: build/C/man3/rtnetlink.3:96
1199 " struct nlmsghdr nh;\n"
1200 " struct ifinfomsg if;\n"
1201 " char attrbuf[512];\n"
1206 #: build/C/man3/rtnetlink.3:99
1209 " struct rtattr *rta;\n"
1210 " unsigned int mtu = 1000;\n"
1214 #: build/C/man3/rtnetlink.3:101
1216 msgid " int rtnetlink_sk = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE);\n"
1220 #: build/C/man3/rtnetlink.3:117
1223 " memset(&req, 0, sizeof(req));\n"
1224 " req.nh.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg));\n"
1225 " req.nh.nlmsg_flags = NLM_F_REQUEST;\n"
1226 " req.nh.nlmsg_type = RTM_NEWLINK;\n"
1227 " req.if.ifi_family = AF_UNSPEC;\n"
1228 " req.if.ifi_index = INTERFACE_INDEX;\n"
1229 " req.if.ifi_change = 0xffffffff; /* ??? */\n"
1230 " rta = (struct rtattr *)(((char *) &req) +\n"
1231 " NLMSG_ALIGN(req.nh.nlmsg_len));\n"
1232 " rta-E<gt>rta_type = IFLA_MTU;\n"
1233 " rta-E<gt>rta_len = RTA_LENGTH(sizeof(unsigned int));\n"
1234 " req.n.nlmsg_len = NLMSG_ALIGN(req.nh.nlmsg_len) +\n"
1235 " RTA_LENGTH(sizeof(mtu));\n"
1236 " memcpy(RTA_DATA(rta), &mtu, sizeof(mtu));\n"
1237 " send(rtnetlink_sk, &req, req.nh.nlmsg_len);\n"
1241 #: build/C/man3/rtnetlink.3:121
1242 msgid "B<netlink>(3), B<netlink>(7), B<rtnetlink>(7)"
1246 #: build/C/man7/rtnetlink.7:11
1252 #: build/C/man7/rtnetlink.7:14
1253 msgid "rtnetlink, NETLINK_ROUTE - Linux IPv4 routing socket"
1256 #. FIXME ? all these macros could be moved to rtnetlink(3)
1258 #: build/C/man7/rtnetlink.7:38
1260 "Rtnetlink allows the kernel's routing tables to be read and altered. It is "
1261 "used within the kernel to communicate between various subsystems, though "
1262 "this usage is not documented here, and for communication with user-space "
1263 "programs. Network routes, IP addresses, link parameters, neighbor setups, "
1264 "queueing disciplines, traffic classes and packet classifiers may all be "
1265 "controlled through B<NETLINK_ROUTE> sockets. It is based on netlink "
1266 "messages; see B<netlink>(7) for more information."
1270 #: build/C/man7/rtnetlink.7:38
1272 msgid "Routing Attributes"
1276 #: build/C/man7/rtnetlink.7:40
1277 msgid "Some rtnetlink messages have optional attributes after the initial header:"
1281 #: build/C/man7/rtnetlink.7:48
1285 " unsigned short rta_len; /* Length of option */\n"
1286 " unsigned short rta_type; /* Type of option */\n"
1287 " /* Data follows */\n"
1292 #: build/C/man7/rtnetlink.7:54
1294 "These attributes should be only manipulated using the RTA_* macros or "
1295 "libnetlink, see B<rtnetlink>(3)."
1299 #: build/C/man7/rtnetlink.7:54
1305 #: build/C/man7/rtnetlink.7:57
1307 "Rtnetlink consists of these message types (in addition to standard netlink "
1312 #: build/C/man7/rtnetlink.7:57
1314 msgid "B<RTM_NEWLINK>, B<RTM_DELLINK>, B<RTM_GETLINK>"
1318 #: build/C/man7/rtnetlink.7:65
1320 "Create, remove or get information about a specific network interface. These "
1321 "messages contain an I<ifinfomsg> structure followed by a series of I<rtattr> "
1326 #: build/C/man7/rtnetlink.7:74
1329 "struct ifinfomsg {\n"
1330 " unsigned char ifi_family; /* AF_UNSPEC */\n"
1331 " unsigned short ifi_type; /* Device type */\n"
1332 " int ifi_index; /* Interface index */\n"
1333 " unsigned int ifi_flags; /* Device flags */\n"
1334 " unsigned int ifi_change; /* change mask */\n"
1340 #: build/C/man7/rtnetlink.7:84
1342 "I<ifi_flags> contains the device flags, see B<netdevice>(7); I<ifi_index> is "
1343 "the unique interface index, I<ifi_change> is reserved for future use and "
1344 "should be always set to 0xFFFFFFFF."
1348 #: build/C/man7/rtnetlink.7:88
1350 msgid "Routing attributes\n"
1354 #: build/C/man7/rtnetlink.7:89 build/C/man7/rtnetlink.7:151 build/C/man7/rtnetlink.7:298
1356 msgid "rta_type:value type:description\n"
1360 #: build/C/man7/rtnetlink.7:90 build/C/man7/rtnetlink.7:152 build/C/man7/rtnetlink.7:202 build/C/man7/rtnetlink.7:226 build/C/man7/rtnetlink.7:299 build/C/man7/rtnetlink.7:417
1366 #: build/C/man7/rtnetlink.7:91
1368 msgid "IFLA_UNSPEC:-:unspecified.\n"
1372 #: build/C/man7/rtnetlink.7:92
1374 msgid "IFLA_ADDRESS:hardware address:interface L2 address\n"
1378 #: build/C/man7/rtnetlink.7:93
1380 msgid "IFLA_BROADCAST:hardware address:L2 broadcast address.\n"
1384 #: build/C/man7/rtnetlink.7:94
1386 msgid "IFLA_IFNAME:asciiz string:Device name.\n"
1390 #: build/C/man7/rtnetlink.7:95
1392 msgid "IFLA_MTU:unsigned int:MTU of the device.\n"
1396 #: build/C/man7/rtnetlink.7:96
1398 msgid "IFLA_LINK:int:Link type.\n"
1402 #: build/C/man7/rtnetlink.7:97
1404 msgid "IFLA_QDISC:asciiz string:Queueing discipline.\n"
1408 #: build/C/man7/rtnetlink.7:98
1410 msgid "IFLA_STATS:T{\n"
1414 #: build/C/man7/rtnetlink.7:99
1420 #: build/C/man7/rtnetlink.7:100
1422 msgid "T}:Interface Statistics.\n"
1426 #: build/C/man7/rtnetlink.7:104
1427 msgid "The value type for IFLA_STATS is I<struct net_device_stats>."
1431 #: build/C/man7/rtnetlink.7:104
1433 msgid "B<RTM_NEWADDR>, B<RTM_DELADDR>, B<RTM_GETADDR>"
1437 #: build/C/man7/rtnetlink.7:117
1439 "Add, remove or receive information about an IP address associated with an "
1440 "interface. In Linux 2.2, an interface can carry multiple IP addresses, this "
1441 "replaces the alias device concept in 2.0. In Linux 2.2, these messages "
1442 "support IPv4 and IPv6 addresses. They contain an I<ifaddrmsg> structure, "
1443 "optionally followed by I<rtattr> routing attributes."
1447 #: build/C/man7/rtnetlink.7:126
1450 "struct ifaddrmsg {\n"
1451 " unsigned char ifa_family; /* Address type */\n"
1452 " unsigned char ifa_prefixlen; /* Prefixlength of address */\n"
1453 " unsigned char ifa_flags; /* Address flags */\n"
1454 " unsigned char ifa_scope; /* Address scope */\n"
1455 " int ifa_index; /* Interface index */\n"
1460 #: build/C/man7/rtnetlink.7:146
1462 "I<ifa_family> is the address family type (currently B<AF_INET> or "
1463 "B<AF_INET6>), I<ifa_prefixlen> is the length of the address mask of the "
1464 "address if defined for the family (like for IPv4), I<ifa_scope> is the "
1465 "address scope, I<ifa_index> is the interface index of the interface the "
1466 "address is associated with. I<ifa_flags> is a flag word of "
1467 "B<IFA_F_SECONDARY> for secondary address (old alias interface), "
1468 "B<IFA_F_PERMANENT> for a permanent address set by the user and other "
1469 "undocumented flags."
1473 #: build/C/man7/rtnetlink.7:150 build/C/man7/rtnetlink.7:297 build/C/man7/rtnetlink.7:415
1475 msgid "Attributes\n"
1479 #: build/C/man7/rtnetlink.7:153
1481 msgid "IFA_UNSPEC:-:unspecified.\n"
1485 #: build/C/man7/rtnetlink.7:154
1487 msgid "IFA_ADDRESS:raw protocol address:interface address\n"
1491 #: build/C/man7/rtnetlink.7:155
1493 msgid "IFA_LOCAL:raw protocol address:local address\n"
1497 #: build/C/man7/rtnetlink.7:156
1499 msgid "IFA_LABEL:asciiz string:name of the interface\n"
1503 #: build/C/man7/rtnetlink.7:157
1505 msgid "IFA_BROADCAST:raw protocol address:broadcast address.\n"
1509 #: build/C/man7/rtnetlink.7:158
1511 msgid "IFA_ANYCAST:raw protocol address:anycast address\n"
1515 #: build/C/man7/rtnetlink.7:159
1517 msgid "IFA_CACHEINFO:struct ifa_cacheinfo:Address information.\n"
1521 #: build/C/man7/rtnetlink.7:162
1523 msgid "B<RTM_NEWROUTE>, B<RTM_DELROUTE>, B<RTM_GETROUTE>"
1527 #: build/C/man7/rtnetlink.7:182
1529 "Create, remove or receive information about a network route. These messages "
1530 "contain an I<rtmsg> structure with an optional sequence of I<rtattr> "
1531 "structures following. For B<RTM_GETROUTE>, setting I<rtm_dst_len> and "
1532 "I<rtm_src_len> to 0 means you get all entries for the specified routing "
1533 "table. For the other fields, except I<rtm_table> and I<rtm_protocol>, 0 is "
1538 #: build/C/man7/rtnetlink.7:189
1542 " unsigned char rtm_family; /* Address family of route */\n"
1543 " unsigned char rtm_dst_len; /* Length of destination */\n"
1544 " unsigned char rtm_src_len; /* Length of source */\n"
1545 " unsigned char rtm_tos; /* TOS filter */\n"
1549 #: build/C/man7/rtnetlink.7:194
1552 " unsigned char rtm_table; /* Routing table ID */\n"
1553 " unsigned char rtm_protocol; /* Routing protocol; see below */\n"
1554 " unsigned char rtm_scope; /* See below */\n"
1555 " unsigned char rtm_type; /* See below */\n"
1559 #: build/C/man7/rtnetlink.7:197
1562 " unsigned int rtm_flags;\n"
1567 #: build/C/man7/rtnetlink.7:201
1569 msgid "rtm_type:Route type\n"
1573 #: build/C/man7/rtnetlink.7:203
1575 msgid "RTN_UNSPEC:unknown route\n"
1579 #: build/C/man7/rtnetlink.7:204
1581 msgid "RTN_UNICAST:a gateway or direct route\n"
1585 #: build/C/man7/rtnetlink.7:205
1587 msgid "RTN_LOCAL:a local interface route\n"
1591 #: build/C/man7/rtnetlink.7:206
1593 msgid "RTN_BROADCAST:T{\n"
1597 #: build/C/man7/rtnetlink.7:207
1599 msgid "a local broadcast route (sent as a broadcast)\n"
1603 #: build/C/man7/rtnetlink.7:209
1605 msgid "RTN_ANYCAST:T{\n"
1609 #: build/C/man7/rtnetlink.7:210
1611 msgid "a local broadcast route (sent as a unicast)\n"
1615 #: build/C/man7/rtnetlink.7:212
1617 msgid "RTN_MULTICAST:a multicast route\n"
1621 #: build/C/man7/rtnetlink.7:213
1623 msgid "RTN_BLACKHOLE:a packet dropping route\n"
1627 #: build/C/man7/rtnetlink.7:214
1629 msgid "RTN_UNREACHABLE:an unreachable destination\n"
1633 #: build/C/man7/rtnetlink.7:215
1635 msgid "RTN_PROHIBIT:a packet rejection route\n"
1639 #: build/C/man7/rtnetlink.7:216
1641 msgid "RTN_THROW:continue routing lookup in another table\n"
1645 #: build/C/man7/rtnetlink.7:217
1647 msgid "RTN_NAT:a network address translation rule\n"
1651 #: build/C/man7/rtnetlink.7:218
1653 msgid "RTN_XRESOLVE:T{\n"
1657 #: build/C/man7/rtnetlink.7:219
1659 msgid "refer to an external resolver (not implemented)\n"
1663 #: build/C/man7/rtnetlink.7:225
1665 msgid "rtm_protocol:Route origin.\n"
1669 #: build/C/man7/rtnetlink.7:227
1671 msgid "RTPROT_UNSPEC:unknown\n"
1675 #: build/C/man7/rtnetlink.7:228
1677 msgid "RTPROT_REDIRECT:T{\n"
1681 #: build/C/man7/rtnetlink.7:229
1683 msgid "by an ICMP redirect (currently unused)\n"
1687 #: build/C/man7/rtnetlink.7:231
1689 msgid "RTPROT_KERNEL:by the kernel\n"
1693 #: build/C/man7/rtnetlink.7:232
1695 msgid "RTPROT_BOOT:during boot\n"
1699 #: build/C/man7/rtnetlink.7:233
1701 msgid "RTPROT_STATIC:by the administrator\n"
1705 #: build/C/man7/rtnetlink.7:244
1707 "Values larger than B<RTPROT_STATIC> are not interpreted by the kernel, they "
1708 "are just for user information. They may be used to tag the source of a "
1709 "routing information or to distinguish between multiple routing daemons. See "
1710 "I<E<lt>linux/rtnetlink.hE<gt>> for the routing daemon identifiers which are "
1715 #: build/C/man7/rtnetlink.7:247
1716 msgid "I<rtm_scope> is the distance to the destination:"
1720 #: build/C/man7/rtnetlink.7:250
1722 msgid "RT_SCOPE_UNIVERSE:global route\n"
1726 #: build/C/man7/rtnetlink.7:251
1728 msgid "RT_SCOPE_SITE:T{\n"
1732 #: build/C/man7/rtnetlink.7:252
1734 msgid "interior route in the local autonomous system\n"
1738 #: build/C/man7/rtnetlink.7:254
1740 msgid "RT_SCOPE_LINK:route on this link\n"
1744 #: build/C/man7/rtnetlink.7:255
1746 msgid "RT_SCOPE_HOST:route on the local host\n"
1750 #: build/C/man7/rtnetlink.7:256
1752 msgid "RT_SCOPE_NOWHERE:destination doesn't exist\n"
1756 #: build/C/man7/rtnetlink.7:264
1758 "The values between B<RT_SCOPE_UNIVERSE> and B<RT_SCOPE_SITE> are available "
1763 #: build/C/man7/rtnetlink.7:268
1764 msgid "The I<rtm_flags> have the following meanings:"
1768 #: build/C/man7/rtnetlink.7:271
1770 msgid "RTM_F_NOTIFY:T{\n"
1774 #: build/C/man7/rtnetlink.7:272
1776 msgid "if the route changes, notify the user via rtnetlink\n"
1780 #: build/C/man7/rtnetlink.7:274
1782 msgid "RTM_F_CLONED:route is cloned from another route\n"
1786 #: build/C/man7/rtnetlink.7:275
1788 msgid "RTM_F_EQUALIZE:a multipath equalizer (not yet implemented)\n"
1792 #: build/C/man7/rtnetlink.7:280
1793 msgid "I<rtm_table> specifies the routing table"
1797 #: build/C/man7/rtnetlink.7:283
1799 msgid "RT_TABLE_UNSPEC:an unspecified routing table\n"
1803 #: build/C/man7/rtnetlink.7:284
1805 msgid "RT_TABLE_DEFAULT:the default table\n"
1809 #: build/C/man7/rtnetlink.7:285
1811 msgid "RT_TABLE_MAIN:the main table\n"
1815 #: build/C/man7/rtnetlink.7:286
1817 msgid "RT_TABLE_LOCAL:the local table\n"
1821 #: build/C/man7/rtnetlink.7:293
1823 "The user may assign arbitrary values between B<RT_TABLE_UNSPEC> and "
1824 "B<RT_TABLE_DEFAULT>."
1828 #: build/C/man7/rtnetlink.7:300
1830 msgid "RTA_UNSPEC:-:ignored.\n"
1834 #: build/C/man7/rtnetlink.7:301
1836 msgid "RTA_DST:protocol address:Route destination address.\n"
1840 #: build/C/man7/rtnetlink.7:302
1842 msgid "RTA_SRC:protocol address:Route source address.\n"
1846 #: build/C/man7/rtnetlink.7:303
1848 msgid "RTA_IIF:int:Input interface index.\n"
1852 #: build/C/man7/rtnetlink.7:304
1854 msgid "RTA_OIF:int:Output interface index.\n"
1858 #: build/C/man7/rtnetlink.7:305
1860 msgid "RTA_GATEWAY:protocol address:The gateway of the route\n"
1864 #: build/C/man7/rtnetlink.7:306
1866 msgid "RTA_PRIORITY:int:Priority of route.\n"
1870 #: build/C/man7/rtnetlink.7:307
1872 msgid "RTA_PREFSRC::\n"
1876 #: build/C/man7/rtnetlink.7:308
1878 msgid "RTA_METRICS:int:Route metric\n"
1882 #: build/C/man7/rtnetlink.7:309
1884 msgid "RTA_MULTIPATH::\n"
1888 #: build/C/man7/rtnetlink.7:310
1890 msgid "RTA_PROTOINFO::\n"
1894 #: build/C/man7/rtnetlink.7:311
1896 msgid "RTA_FLOW::\n"
1900 #: build/C/man7/rtnetlink.7:312
1902 msgid "RTA_CACHEINFO::\n"
1906 #: build/C/man7/rtnetlink.7:316
1907 msgid "B<Fill these values in!>"
1911 #: build/C/man7/rtnetlink.7:316
1913 msgid "B<RTM_NEWNEIGH>, B<RTM_DELNEIGH>, B<RTM_GETNEIGH>"
1917 #: build/C/man7/rtnetlink.7:323
1919 "Add, remove or receive information about a neighbor table entry (e.g., an "
1920 "ARP entry). The message contains an I<ndmsg> structure."
1924 #: build/C/man7/rtnetlink.7:332
1928 " unsigned char ndm_family;\n"
1929 " int ndm_ifindex; /* Interface index */\n"
1930 " __u16 ndm_state; /* State */\n"
1931 " __u8 ndm_flags; /* Flags */\n"
1937 #: build/C/man7/rtnetlink.7:339
1940 "struct nda_cacheinfo {\n"
1941 " __u32 ndm_confirmed;\n"
1942 " __u32 ndm_used;\n"
1943 " __u32 ndm_updated;\n"
1944 " __u32 ndm_refcnt;\n"
1949 #: build/C/man7/rtnetlink.7:343
1950 msgid "I<ndm_state> is a bit mask of the following states:"
1954 #: build/C/man7/rtnetlink.7:346
1956 msgid "NUD_INCOMPLETE:a currently resolving cache entry\n"
1960 #: build/C/man7/rtnetlink.7:347
1962 msgid "NUD_REACHABLE:a confirmed working cache entry\n"
1966 #: build/C/man7/rtnetlink.7:348
1968 msgid "NUD_STALE:an expired cache entry\n"
1972 #: build/C/man7/rtnetlink.7:349
1974 msgid "NUD_DELAY:an entry waiting for a timer\n"
1978 #: build/C/man7/rtnetlink.7:350
1980 msgid "NUD_PROBE:a cache entry that is currently reprobed\n"
1984 #: build/C/man7/rtnetlink.7:351
1986 msgid "NUD_FAILED:an invalid cache entry\n"
1990 #: build/C/man7/rtnetlink.7:352
1992 msgid "NUD_NOARP:a device with no destination cache\n"
1996 #: build/C/man7/rtnetlink.7:353
1998 msgid "NUD_PERMANENT:a static entry\n"
2002 #: build/C/man7/rtnetlink.7:359
2003 msgid "Valid I<ndm_flags> are:"
2007 #: build/C/man7/rtnetlink.7:362
2009 msgid "NTF_PROXY:a proxy arp entry\n"
2013 #: build/C/man7/rtnetlink.7:363
2015 msgid "NTF_ROUTER:an IPv6 router\n"
2019 #. document the members of the struct better
2021 #: build/C/man7/rtnetlink.7:373
2022 msgid "The I<rtattr> struct has the following meanings for the I<rta_type> field:"
2026 #: build/C/man7/rtnetlink.7:376
2028 msgid "NDA_UNSPEC:unknown type\n"
2032 #: build/C/man7/rtnetlink.7:377
2034 msgid "NDA_DST:a neighbor cache n/w layer destination address\n"
2038 #: build/C/man7/rtnetlink.7:378
2040 msgid "NDA_LLADDR:a neighbor cache link layer address\n"
2044 #: build/C/man7/rtnetlink.7:379
2046 msgid "NDA_CACHEINFO:cache statistics.\n"
2050 #: build/C/man7/rtnetlink.7:389
2052 "If the I<rta_type> field is B<NDA_CACHEINFO> then a I<struct nda_cacheinfo> "
2057 #: build/C/man7/rtnetlink.7:389
2059 msgid "B<RTM_NEWRULE>, B<RTM_DELRULE>, B<RTM_GETRULE>"
2063 #: build/C/man7/rtnetlink.7:394
2064 msgid "Add, delete or retrieve a routing rule. Carries a I<struct rtmsg>"
2068 #: build/C/man7/rtnetlink.7:394
2070 msgid "B<RTM_NEWQDISC>, B<RTM_DELQDISC>, B<RTM_GETQDISC>"
2074 #: build/C/man7/rtnetlink.7:401
2076 "Add, remove or get a queueing discipline. The message contains a I<struct "
2077 "tcmsg> and may be followed by a series of attributes."
2081 #: build/C/man7/rtnetlink.7:410
2085 " unsigned char tcm_family;\n"
2086 " int tcm_ifindex; /* interface index */\n"
2087 " __u32 tcm_handle; /* Qdisc handle */\n"
2088 " __u32 tcm_parent; /* Parent qdisc */\n"
2089 " __u32 tcm_info;\n"
2094 #: build/C/man7/rtnetlink.7:416
2096 msgid "rta_type:value type:Description\n"
2100 #: build/C/man7/rtnetlink.7:418
2102 msgid "TCA_UNSPEC:-:unspecified\n"
2106 #: build/C/man7/rtnetlink.7:419
2108 msgid "TCA_KIND:asciiz string:Name of queueing discipline\n"
2112 #: build/C/man7/rtnetlink.7:420
2114 msgid "TCA_OPTIONS:byte sequence:Qdisc-specific options follow\n"
2118 #: build/C/man7/rtnetlink.7:421
2120 msgid "TCA_STATS:struct tc_stats:Qdisc statistics.\n"
2124 #: build/C/man7/rtnetlink.7:422
2126 msgid "TCA_XSTATS:qdisc specific:Module-specific statistics.\n"
2130 #: build/C/man7/rtnetlink.7:423
2132 msgid "TCA_RATE:struct tc_estimator:Rate limit.\n"
2136 #: build/C/man7/rtnetlink.7:428
2138 "In addition various other qdisc module specific attributes are allowed. For "
2139 "more information see the appropriate include files."
2143 #: build/C/man7/rtnetlink.7:428
2145 msgid "B<RTM_NEWTCLASS>, B<RTM_DELTCLASS>, B<RTM_GETTCLASS>"
2149 #: build/C/man7/rtnetlink.7:434
2151 "Add, remove or get a traffic class. These messages contain a I<struct "
2152 "tcmsg> as described above."
2156 #: build/C/man7/rtnetlink.7:434
2158 msgid "B<RTM_NEWTFILTER>, B<RTM_DELTFILTER>, B<RTM_GETTFILTER>"
2162 #: build/C/man7/rtnetlink.7:440
2164 "Add, remove or receive information about a traffic filter. These messages "
2165 "contain a I<struct tcmsg> as described above."
2169 #: build/C/man7/rtnetlink.7:443
2170 msgid "B<rtnetlink> is a new feature of Linux 2.2."
2174 #: build/C/man7/rtnetlink.7:449
2175 msgid "B<cmsg>(3), B<rtnetlink>(3), B<ip>(7), B<netlink>(7)"