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8151740c88
freebsd-nq/sys/netinet
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Josh Paetzel 8151740c88 Harden CARP against network loops. 
If there is a loop in the network a CARP that is in MASTER state will see it's
own broadcasts, which will then cause it to assume BACKUP state.  When it
assumes BACKUP it will stop sending advertisements.  In that state it will no
longer see advertisements and will assume MASTER...

We can't catch all the cases where we are seeing our own CARP broadcast, but
we can catch the obvious case.

Submitted by:	torek
Obtained from:	FreeNAS
MFC after:	2 weeks
Sponsored by:	iXsystems
2016-12-30 18:46:21 +00:00
..
cc Set slow start threshold more accurately on loss to be flightsize/2 instead of 2016-11-01 21:08:37 +00:00
khelp Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
libalias sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
tcp_stacks Ensure that TCP state changes to state-closing are reported via dtrace. 2016-11-19 14:45:08 +00:00
accf_data.c
accf_dns.c
accf_http.c
icmp6.h Add missing constants from RFCs 4443 and 6550 2016-06-06 00:35:45 +00:00
icmp_var.h Use counter_ratecheck() in the ICMP rate limiting. 2016-12-09 17:59:15 +00:00
if_atm.c
if_atm.h
if_ether.c Add GARP retransmit capability 2016-10-02 01:42:45 +00:00
if_ether.h This change re-adds L2 caching for TCP and UDP, as originally added in D4306 2016-06-02 17:51:29 +00:00
igmp_var.h
igmp.c With clang 3.9.0, compiling sys/netinet/igmp.c results in the following 2016-09-04 17:23:10 +00:00
igmp.h
in_cksum.c
in_debug.c
in_fib.c MFP r287070,r287073: split radix implementation and route table structure. 2016-01-25 06:33:15 +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_jail.c Move IPv4-specific jail functions to new file netinet/in_jail.c 2016-08-09 02:16:21 +00:00
in_kdtrace.c Fix style issues around existing SDT probes. 2015-12-16 23:39:27 +00:00
in_kdtrace.h Fix style issues around existing SDT probes. 2015-12-16 23:39:27 +00:00
in_mcast.c sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
in_pcb.c - Revert r300854, r303657 which tried to fix regression from r297225. 2016-10-13 20:15:47 +00:00
in_pcb.h Add spares to struct ifnet and socket for packet pacing and/or general 2016-06-23 21:07:15 +00:00
in_pcbgroup.c Unbreak the RSS/PCBGROUp build. 2016-03-31 00:53:23 +00:00
in_prot.c Remove BSD and USL copyright and update license block in in_prot.c, as the 2016-07-28 18:39:30 +00:00
in_proto.c The pr_destroy field does not allow us to run the teardown code in a 2016-06-01 10:14:04 +00:00
in_rmx.c Code duplication but rib_head is special. Not found an easy way to go 2016-02-03 21:56:51 +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 Prepare for network stack as a module 2016-07-27 20:34:09 +00:00
in_var.h Add GARP retransmit capability 2016-10-02 01:42:45 +00:00
in.c Add GARP retransmit capability 2016-10-02 01:42:45 +00:00
in.h Don't iterate over the ifnet addr list in ip_output() 2016-08-18 22:59:00 +00:00
ip6.h
ip_carp.c Harden CARP against network loops. 2016-12-30 18:46:21 +00:00
ip_carp.h
ip_divert.c The pr_destroy field does not allow us to run the teardown code in a 2016-06-01 10:14:04 +00:00
ip_divert.h
ip_dummynet.h Import Dummynet AQM version 0.2.1 (CoDel, FQ-CoDel, PIE and FQ-PIE). 2016-05-26 21:40:13 +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 Remove sys/eventhandler.h from net/route.h 2016-01-09 09:34:39 +00:00
ip_encap.h
ip_fastfwd.c When we are sending IP fragments, update ip pointers in IP_PROBE() for 2016-12-29 19:57:46 +00:00
ip_fw.h Add stats reset command implementation to NPTv6 module 2016-08-13 16:45:14 +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 Fix build for 32-bit machines. 2016-12-09 20:50:35 +00:00
ip_icmp.h Add support for handling ICMP and ICMP6 messages sent in response 2016-04-29 20:22:01 +00:00
ip_id.c Replace a number of conflations of mp_ncpus and mp_maxid with either 2016-07-06 14:09:49 +00:00
ip_input.c ip[6]_tryforward does inbound and outbound packet firewall processing. 2016-12-19 11:02:49 +00:00
ip_ipsec.c Remove the kernel optoion for IPSEC_FILTERTUNNEL, which was deprecated 2016-08-21 18:55:30 +00:00
ip_ipsec.h
ip_mroute.c Remove the 4.3BSD compatible macro m_copy(), use m_copym() instead. 2016-09-15 07:41:48 +00:00
ip_mroute.h
ip_options.c sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
ip_options.h
ip_output.c When we are sending IP fragments, update ip pointers in IP_PROBE() for 2016-12-29 19:57:46 +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 The pr_destroy field does not allow us to run the teardown code in a 2016-06-01 10:14:04 +00:00
ip.h sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
pim_var.h
pim.h
raw_ip.c Remove the 4.3BSD compatible macro m_copy(), use m_copym() instead. 2016-09-15 07:41:48 +00:00
sctp_asconf.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_asconf.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_auth.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_auth.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_bsd_addr.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_bsd_addr.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_cc_functions.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_constants.h Cleanup the names of SSN, SID, TSN, FSN, PPID and MID. 2016-12-07 19:30:59 +00:00
sctp_crc32.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_crc32.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_dtrace_declare.h
sctp_dtrace_define.h This is work done by Michael Tuexen and myself at the IETF. This 2016-04-07 09:10:34 +00:00
sctp_header.h Cleanup the names of SSN, SID, TSN, FSN, PPID and MID. 2016-12-07 19:30:59 +00:00
sctp_indata.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_indata.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_input.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_input.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_lock_bsd.h netinet/sctp*: minor spelling fixes in comments. 2016-05-02 20:56:11 +00:00
sctp_os_bsd.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_os.h
sctp_output.c Consistent handling of errors reported from the lower layer. 2016-12-27 22:14:41 +00:00
sctp_output.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_pcb.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_pcb.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_peeloff.c
sctp_peeloff.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_ss_functions.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_structs.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_syscalls.c capsicum: propagate rights on accept(2) 2016-09-22 09:58:46 +00:00
sctp_sysctl.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_sysctl.h Retire net.inet.sctp.strict_sacks and net.inet.sctp.strict_data_order 2016-05-12 16:34:59 +00:00
sctp_timer.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_timer.h Code cleanup which will silence a warning in PVS / D5245. 2016-02-17 18:04:22 +00:00
sctp_uio.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_usrreq.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_var.h Cleanup the names of SSN, SID, TSN, FSN, PPID and MID. 2016-12-07 19:30:59 +00:00
sctp.h This is work done by Michael Tuexen and myself at the IETF. This 2016-04-07 09:10:34 +00:00
sctputil.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctputil.h Whitespace changes. 2016-12-26 11:06:41 +00:00
siftr.c Use SI_SUB_LAST instead of SI_SUB_SMP as the "catch-all" subsystem. 2016-03-11 23:18:06 +00:00
tcp_debug.c Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
tcp_debug.h
tcp_fastopen.c Fix kernel build with TCP_RFC7413 option 2016-08-11 23:52:24 +00:00
tcp_fastopen.h Implementation of server-side TCP Fast Open (TFO) [RFC7413]. 2015-12-24 19:09:48 +00:00
tcp_fsm.h Update TCPS_HAVERCVDFIN() macro to correctly include all states a connection 2016-08-26 17:48:54 +00:00
tcp_hostcache.c Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
tcp_hostcache.h Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
tcp_input.c Fix the handling of TCP FIN-segments in the CLOSED state 2016-12-02 08:02:31 +00:00
tcp_lro.c Pass the number of segments coalesced by LRO up the stack by repurposing the 2016-08-25 13:33:32 +00:00
tcp_lro.h tcp/lro: Implement hash table for LRO entries. 2016-08-02 06:36:47 +00:00
tcp_offload.c Augment struct tcpstat with tcps_states[], which is used for book-keeping 2016-01-27 00:45:46 +00:00
tcp_offload.h
tcp_output.c We currently don't do TSO if ip options are present. In case of IPv6, we look at 2016-12-11 23:14:47 +00:00
tcp_pcap.c The TCPPCAP debugging feature caches recently-used mbufs for use in 2016-07-06 16:17:13 +00:00
tcp_pcap.h The TCPPCAP debugging feature caches recently-used mbufs for use in 2016-07-06 16:17:13 +00:00
tcp_reass.c Remove sys/eventhandler.h from net/route.h 2016-01-09 09:34:39 +00:00
tcp_sack.c Remove a KASSERT which is not always true. 2016-12-25 17:37:18 +00:00
tcp_seq.h Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
tcp_subr.c Ensure that TCP state changes to state-closing are reported via dtrace. 2016-11-19 14:45:08 +00:00
tcp_syncache.c Remove assigned only variable. 2016-12-21 22:47:10 +00:00
tcp_syncache.h Grab a snap amount of TCP connections in syncache from tcpstat. 2016-01-27 00:48:05 +00:00
tcp_timer.c The code currently resets the keepalive timer each time a packet is 2016-10-14 14:57:43 +00:00
tcp_timer.h This cleans up the timer code in TCP and also makes it so we do not 2016-08-16 12:40:56 +00:00
tcp_timewait.c Ensure that TCP state changes to state-closing are reported via dtrace. 2016-11-19 14:45:08 +00:00
tcp_usrreq.c Fix a double-free when an inp transitions to INP_TIMEWAIT state 2016-10-18 07:16:49 +00:00
tcp_var.h The TFO server-side code contains some changes that are not conditioned on 2016-10-12 19:06:50 +00:00
tcp.h Provide new socket option TCP_CCALGOOPT, which stands for TCP congestion 2016-01-22 02:07:48 +00:00
tcpip.h
toecore.c This change re-adds L2 caching for TCP and UDP, as originally added in D4306 2016-06-02 17:51:29 +00:00
toecore.h
udp_usrreq.c r297225 broke udp_output() for the case where the "addr" argument 2016-10-01 19:39:09 +00:00
udp_var.h The pr_destroy field does not allow us to run the teardown code in a 2016-06-01 10:14:04 +00:00
udp.h
udplite.h