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opnsense-src/sys/netinet
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Steven Hartland 52e53e2de0 Fix lagg failover due to missing notifications 
When using lagg failover mode neither Gratuitous ARP (IPv4) or Unsolicited
Neighbour Advertisements (IPv6) are sent to notify other nodes that the
address may have moved.

This results is slow failover, dropped packets and network outages for the
lagg interface when the primary link goes down.

We now use the new if_link_state_change_cond with the force param set to
allow lagg to force through link state changes and hence fire a
ifnet_link_event which are now monitored by rip and nd6.

Upon receiving these events each protocol trigger the relevant
notifications:
* inet4 => Gratuitous ARP
* inet6 => Unsolicited Neighbour Announce

This also fixes the carp IPv6 NA's that stopped working after r251584 which
added the ipv6_route__llma route.

The new behavour can be controlled using the sysctls:
* net.link.ether.inet.arp_on_link
* net.inet6.icmp6.nd6_on_link

Also removed unused param from lagg_port_state and added descriptions for the
sysctls while here.

PR:		156226
MFC after:	1 month
Sponsored by:	Multiplay
Differential Revision:	https://reviews.freebsd.org/D4111
2015-12-15 16:02:11 +00:00
..
cc Add an option to use rfc6675 based pipe/inflight bytes calculation in newreno. 2015-12-09 08:53:41 +00:00
khelp
libalias mdoc: fix rendering issues 2015-04-26 11:39:25 +00:00
accf_data.c
accf_dns.c In preparation of merging projects/sendfile, transform bare access to 2014-11-12 09:57:15 +00:00
accf_http.c In preparation of merging projects/sendfile, transform bare access to 2014-11-12 09:57:15 +00:00
cc.h DCTCP (Data Center TCP) implementation. 2015-01-12 08:33:04 +00:00
icmp6.h Implement Enhanced DAD algorithm for IPv6 described in 2015-03-02 17:30:26 +00:00
icmp_var.h
if_atm.c
if_atm.h
if_ether.c Fix lagg failover due to missing notifications 2015-12-15 16:02:11 +00:00
if_ether.h Fix lagg failover due to missing notifications 2015-12-15 16:02:11 +00:00
igmp.c In the same way fix the problem described in r291578 for IGMPv3. 2015-12-01 11:24:30 +00:00
igmp.h
igmp_var.h - Rename 'struct igmp_ifinfo' into 'struct igmp_ifsoftc', since it really 2015-02-19 22:35:23 +00:00
in.c Remove LLE read lock from IPv4 fast path. 2015-12-05 09:50:37 +00:00
in.h Provide functions to determine presence of a given address 2015-04-17 11:57:06 +00:00
in_cksum.c
in_debug.c
in_fib.c Merge helper fib* functions used for basic lookups. 2015-12-08 10:50:03 +00:00
in_fib.h Merge helper fib* functions used for basic lookups. 2015-12-08 10:50:03 +00:00
in_gif.c Merge helper fib* functions used for basic lookups. 2015-12-08 10:50:03 +00:00
in_kdtrace.c dd DTrace probe points, translators and a corresponding script 2015-09-13 15:50:55 +00:00
in_kdtrace.h dd DTrace probe points, translators and a corresponding script 2015-09-13 15:50:55 +00:00
in_mcast.c Make in_arpinput(), inp_lookup_mcast_ifp(), icmp_reflect(), 2015-12-09 11:14:27 +00:00
in_pcb.c The r241129 description was wrong that the scenario is possible 2015-11-25 14:45:43 +00:00
in_pcb.h Use Jenkins hash for TCP syncache. 2015-09-05 10:15:19 +00:00
in_pcbgroup.c Refactor / restructure the RSS code into generic, IPv4 and IPv6 specific 2015-01-18 18:06:40 +00:00
in_proto.c Finish r274118: remove useless fields from struct domain. 2014-11-06 14:39:04 +00:00
in_rmx.c Remove in_setifarnh definition. 2015-11-30 06:02:35 +00:00
in_rss.c Rename rss_soft_m2cpuid() -> rss_soft_m2cpuid_v4() in preparation for 2015-08-29 06:58:30 +00:00
in_rss.h Rename rss_soft_m2cpuid() -> rss_soft_m2cpuid_v4() in preparation for 2015-08-29 06:58:30 +00:00
in_systm.h Where appropriate, use the modern terms for the one true time base 2014-12-21 05:07:11 +00:00
in_var.h Fix lagg failover due to missing notifications 2015-12-15 16:02:11 +00:00
ip.h Since the IETF has redefined the meaning of the tos field to accommodate 2015-07-18 06:48:30 +00:00
ip6.h Eliminate use of M_EXT in IP6_EXTHDR_CHECK() by trimming a redundant 2014-10-05 06:28:53 +00:00
ip_carp.c Fix lagg failover due to missing notifications 2015-12-15 16:02:11 +00:00
ip_carp.h Merge 'struct ip6protosw' and 'struct protosw' into one. Now we have 2014-08-08 01:57:15 +00:00
ip_divert.c Convert netinet6/ to use new routing API. 2014-11-04 15:39:56 +00:00
ip_divert.h
ip_dummynet.h ECN marking implenetation for dummynet. 2014-06-01 07:28:24 +00:00
ip_ecn.c
ip_ecn.h Remove unneded #include "opt_inet.h". 2015-07-31 09:02:28 +00:00
ip_encap.c Fix possible use after free in encap[46]_input(). 2015-06-18 18:28:38 +00:00
ip_encap.h Merge 'struct ip6protosw' and 'struct protosw' into one. Now we have 2014-08-08 01:57:15 +00:00
ip_fastfwd.c Replace the fastforward path with tryforward which does not require a 2015-11-05 07:26:32 +00:00
ip_fw.h Implement ipfw internal olist command to list named objects. 2015-11-03 10:21:53 +00:00
ip_gre.c o Use new function ip_fillid() in all places throughout the kernel, 2015-04-01 22:26:39 +00:00
ip_icmp.c Make in_arpinput(), inp_lookup_mcast_ifp(), icmp_reflect(), 2015-12-09 11:14:27 +00:00
ip_icmp.h Where appropriate, use the modern terms for the one true time base 2014-12-21 05:07:11 +00:00
ip_id.c Provide a comment explaining issues with the counter(9) trick, so that 2015-04-02 14:22:59 +00:00
ip_input.c Make in_arpinput(), inp_lookup_mcast_ifp(), icmp_reflect(), 2015-12-09 11:14:27 +00:00
ip_ipsec.c Set the proper direction to check for policies in this one case. 2015-10-29 21:26:32 +00:00
ip_ipsec.h Remove flag/flags argument from the following functions: 2014-12-11 18:35:34 +00:00
ip_mroute.c CALLOUT_MPSAFE has lost its meaning since r141428, i.e., for more than ten 2015-05-22 17:05:21 +00:00
ip_mroute.h
ip_options.c Make in_arpinput(), inp_lookup_mcast_ifp(), icmp_reflect(), 2015-12-09 11:14:27 +00:00
ip_options.h Make net.inet.ip.sourceroute, net.inet.ip.accept_sourceroute, and 2014-09-15 07:20:40 +00:00
ip_output.c Simplify ip[6] simploop: 2015-08-08 15:58:35 +00:00
ip_reass.c Fix RSS build - netisr input / NETISR_IP_DIRECT is used here. 2015-04-15 00:57:21 +00:00
ip_var.h Make in_arpinput(), inp_lookup_mcast_ifp(), icmp_reflect(), 2015-12-09 11:14:27 +00:00
pim.h
pim_var.h Merge 'struct ip6protosw' and 'struct protosw' into one. Now we have 2014-08-08 01:57:15 +00:00
raw_ip.c Convert in_ifaddr_lock and in6_ifaddr_lock to rmlock. 2015-07-29 08:12:05 +00:00
sctp.h Cleanup the handling of error causes for ERROR chunks. This fixes 2015-09-12 17:08:51 +00:00
sctp_asconf.c Provide consistent error causes whenever an ABORT chunk is sent. 2015-07-27 22:35:54 +00:00
sctp_asconf.h
sctp_auth.c Use __func__ instead of __FUNCTION__. 2015-10-19 11:17:54 +00:00
sctp_auth.h Use a consistent type for the number of HMAC algorithms. 2014-09-16 14:20:33 +00:00
sctp_bsd_addr.c Minimize the usage of SCTP_BUF_IS_EXTENDED. 2015-01-10 20:49:57 +00:00
sctp_bsd_addr.h
sctp_cc_functions.c Fix and cleanup the debug information. This has no user-visible changes. 2015-05-28 16:00:23 +00:00
sctp_constants.h Ensure that ERROR chunks are always padded by implementing this 2015-09-11 13:54:33 +00:00
sctp_crc32.c
sctp_crc32.h
sctp_dtrace_declare.h
sctp_dtrace_define.h
sctp_header.h Cleanup the handling of error causes for ERROR chunks. This fixes 2015-09-12 17:08:51 +00:00
sctp_indata.c Ensure that outgoing streams get reset when they run dry. 2015-12-03 15:19:29 +00:00
sctp_indata.h Don't take the port numbers for packets containing ABORT chunks from 2015-08-02 16:07:30 +00:00
sctp_input.c Retire sctp_validate_no_locks(). 2015-12-10 11:49:32 +00:00
sctp_input.h Add FIB support for SCTP. 2015-06-17 15:20:14 +00:00
sctp_lock_bsd.h
sctp_os.h
sctp_os_bsd.h Move including netinet/icmp6.h around to avoid a problem when including 2015-07-25 18:26:09 +00:00
sctp_output.c Retire sctp_validate_no_locks(). 2015-12-10 11:49:32 +00:00
sctp_output.h Fix an issue with MAC OS locking and also optimize the case 2015-07-24 14:09:03 +00:00
sctp_pcb.c Fix the allocation of outgoing streams: 2015-12-06 16:17:57 +00:00
sctp_pcb.h Retire sctp_validate_no_locks(). 2015-12-10 11:49:32 +00:00
sctp_peeloff.c Add a SCTP socket option to limit the cwnd for each path. 2015-03-10 19:49:25 +00:00
sctp_peeloff.h
sctp_ss_functions.c
sctp_structs.h Fix several problems with Stream Reset. 2015-07-22 11:30:37 +00:00
sctp_syscalls.c Fix two KTRACE related bugs. 2015-06-19 21:55:12 +00:00
sctp_sysctl.c Fix the exporting of SCTP association states to userland. Without this, 2015-08-29 09:14:32 +00:00
sctp_sysctl.h Remove redundant 'man page' 2015-09-15 21:16:45 +00:00
sctp_timer.c Ensure that outgoing streams get reset when they run dry. 2015-12-03 15:19:29 +00:00
sctp_timer.h
sctp_uio.h The field sinfo_timetolive should have been sinfo_pr_value. 2015-11-06 14:00:26 +00:00
sctp_usrreq.c Fix the allocation of outgoing streams: 2015-12-06 16:17:57 +00:00
sctp_var.h Stop the heartbeat timer when removing a net. 2015-06-14 17:48:44 +00:00
sctputil.c Fix the allocation of outgoing streams: 2015-12-06 16:17:57 +00:00
sctputil.h Fix the allocation of outgoing streams: 2015-12-06 16:17:57 +00:00
siftr.c Move the SIFTR DTrace probe out of the writing thread context 2015-04-30 17:43:40 +00:00
tcp.h There are times when it would be really nice to have a record of the last few 2015-10-14 00:35:37 +00:00
tcp_debug.c
tcp_debug.h
tcp_fsm.h
tcp_hostcache.c Clean up unused bandwidth entry in the TCP hostcache. 2015-12-11 06:22:58 +00:00
tcp_hostcache.h Clean up unused bandwidth entry in the TCP hostcache. 2015-12-11 06:22:58 +00:00
tcp_input.c One of the ways to detect loss is to count duplicate acks coming back from the 2015-12-08 21:21:48 +00:00
tcp_lro.c Fix leak in tcp_lro_rx. Simply clearing M_PKTHDR isn't enough, any tags 2015-06-30 17:19:58 +00:00
tcp_lro.h
tcp_offload.c Convert netinet6/ to use new routing API. 2014-11-04 15:39:56 +00:00
tcp_offload.h
tcp_output.c There are times when it would be really nice to have a record of the last few 2015-10-14 00:35:37 +00:00
tcp_pcap.c Hopefully also unbreak VIMAGE kernels replacing the &V_... with 2015-10-15 01:44:32 +00:00
tcp_pcap.h There are times when it would be really nice to have a record of the last few 2015-10-14 00:35:37 +00:00
tcp_reass.c Eliminate nd6_nud_hint() and its TCP bindings. 2015-09-27 05:29:34 +00:00
tcp_sack.c One of the ways to detect loss is to count duplicate acks coming back from the 2015-12-08 21:21:48 +00:00
tcp_seq.h
tcp_subr.c Turning on IPSEC used to introduce a slight amount of performance 2015-10-27 00:42:15 +00:00
tcp_syncache.c Use Jenkins hash for TCP syncache. 2015-09-05 10:15:19 +00:00
tcp_syncache.h Use Jenkins hash for TCP syncache. 2015-09-05 10:15:19 +00:00
tcp_timer.c This fixes several places where callout_stops return is examined. The 2015-11-13 22:51:35 +00:00
tcp_timer.h Put r284245 back in place: If at first this fix was seen as a temporary 2015-08-30 13:44:39 +00:00
tcp_timewait.c Decompose TCP INP_INFO lock to increase short-lived TCP connections scalability: 2015-08-03 12:13:54 +00:00
tcp_usrreq.c There are times when it would be really nice to have a record of the last few 2015-10-14 00:35:37 +00:00
tcp_var.h Clean up unused bandwidth entry in the TCP hostcache. 2015-12-11 06:22:58 +00:00
tcpip.h
toecore.c Replace toe_nd6_resolve() with nd6_resolve(). 2015-09-22 19:05:44 +00:00
toecore.h * Convert TOE framework to use new routing api. 2014-10-25 18:25:00 +00:00
udp.h
udp_usrreq.c get_inpcbinfo() and get_pcblist() are UDP local functions and 2015-08-27 15:27:41 +00:00
udp_var.h get_inpcbinfo() and get_pcblist() are UDP local functions and 2015-08-27 15:27:41 +00:00
udplite.h