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freebsd-skq/sys/netinet
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melifaro f8d64c469a Finish r274175: do control plane MTU tracking. 
Update route MTU in case of ifnet MTU change.
Add new RTF_FIXEDMTU to track explicitly specified MTU.

Old behavior:
ifconfig em0 mtu 1500->9000 -> all routes traversing em0 do not change MTU.
User has to manually update all routes.
ifconfig em0 mtu 9000->1500 -> all routes traversing em0 do not change MTU.
However, if ip[6]_output finds route with rt_mtu > interface mtu, rt_mtu
gets updated.

New behavior:
ifconfig em0 mtu 1500->9000 -> all interface routes in all fibs gets updated
with new MTU unless RTF_FIXEDMTU flag set on them.
ifconfig em0 mtu 9000->1500 -> all routes in all fibs gets updated with new
MTU unless RTF_FIXEDMTU flag set on them AND rt_mtu is less than ifp mtu.

route add ... -mtu XXX automatically sets RTF_FIXEDMTU flag.
route change .. -mtu 0 automatically removes RTF_FIXEDMTU flag.

PR:		194238
MFC after:	1 month
CR:		D1125
2014-11-17 01:05:29 +00:00
..
cc
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
khelp
…
libalias
It'll be okay to use LibAliasDetachHandlers() here, relying
2013-12-25 09:43:51 +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
…
icmp6.h
Migrate structs in6_ifstat and icmp6_ifstat to PCPU counters.
2013-07-09 09:59:46 +00:00
icmp_var.h
Remove more constants related to static sysctl nodes. The MAXID constants
2014-02-25 18:44:33 +00:00
if_atm.c
The r48589 promised to remove implicit inclusion of if_var.h soon. Prepare
2013-10-26 17:58:36 +00:00
if_atm.h
Add const qualifier to the dst parameter of the ifnet if_output method.
2013-04-26 12:50:32 +00:00
if_ether.c
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
if_ether.h
Add const qualifier to the dst parameter of the ifnet if_output method.
2013-04-26 12:50:32 +00:00
igmp_var.h
Merge 'struct ip6protosw' and 'struct protosw' into one. Now we have
2014-08-08 01:57:15 +00:00
igmp.c
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
igmp.h
…
in_cksum.c
…
in_debug.c
…
in_gif.c
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
in_gif.h
Overhaul if_gif(4):
2014-10-14 13:31:47 +00:00
in_kdtrace.c
dtrace sdt: remove the ugly sname parameter of SDT_PROBE_DEFINE
2013-11-26 08:46:27 +00:00
in_kdtrace.h
dtrace sdt: remove the ugly sname parameter of SDT_PROBE_DEFINE
2013-11-26 08:46:27 +00:00
in_mcast.c
Only define the full inm_print() if KTR_IGMPV3 is enabled at compile time.
2014-09-30 17:26:34 +00:00
in_pcb.c
Renove faith(4) and faithd(8) from base. It looks like industry
2014-11-09 21:33:01 +00:00
in_pcb.h
Renove faith(4) and faithd(8) from base. It looks like industry
2014-11-09 21:33:01 +00:00
in_pcbgroup.c
Introduce INP6_PCBHASHKEY macro. Replace usage of hardcoded part of
2014-09-10 12:35:42 +00:00
in_proto.c
Finish r274118: remove useless fields from struct domain.
2014-11-06 14:39:04 +00:00
in_rmx.c
Kill custom in_matroute() radix mathing function removing one rte mutex lock.
2014-11-11 02:52:40 +00:00
in_rss.c
Ensure the correct software IPv4 hash is done based on the configured
2014-09-16 03:26:42 +00:00
in_rss.h
Implement IPv4 RSS software hash functions to use during packet ingress
2014-09-09 03:10:21 +00:00
in_systm.h
…
in_var.h
Kill custom in_matroute() radix mathing function removing one rte mutex lock.
2014-11-11 02:52:40 +00:00
in.c
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
in.h
Kill custom in_matroute() radix mathing function removing one rte mutex lock.
2014-11-11 02:52:40 +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
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +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
Update ip_divert.ko to depend on version 3 of ipfw.
2014-10-11 16:08:54 +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
…
ip_encap.c
Merge 'struct ip6protosw' and 'struct protosw' into one. Now we have
2014-08-08 01:57:15 +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
Remove kernel handling of ICMP_SOURCEQUENCH.
2014-11-10 23:10:01 +00:00
ip_fw.h
Fix matching default rule on clear/show commands.
2014-10-13 13:49:28 +00:00
ip_gre.c
Overhaul if_gre(4).
2014-11-07 19:13:19 +00:00
ip_icmp.c
Kill custom in_matroute() radix mathing function removing one rte mutex lock.
2014-11-11 02:52:40 +00:00
ip_icmp.h
Merge 'struct ip6protosw' and 'struct protosw' into one. Now we have
2014-08-08 01:57:15 +00:00
ip_id.c
Back out r249318, r249320 and r249327 due to a heisenbug most
2013-05-06 16:42:18 +00:00
ip_input.c
Kill custom in_matroute() radix mathing function removing one rte mutex lock.
2014-11-11 02:52:40 +00:00
ip_ipsec.c
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
ip_ipsec.h
…
ip_mroute.c
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
ip_mroute.h
Migrate structs arpstat, icmpstat, mrtstat, pimstat and udpstat to PCPU
2013-07-09 09:50:15 +00:00
ip_options.c
Use generic SYSCTL_* macro instead of deprecated SYSCTL_VNET_*.
2014-09-15 14:43:58 +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
Finish r274175: do control plane MTU tracking.
2014-11-17 01:05:29 +00:00
ip_var.h
Add a flag to ip_output() - IP_NODEFAULTFLOWID - which prevents it from
2014-09-09 00:19:02 +00:00
ip.h
…
pim_var.h
Merge 'struct ip6protosw' and 'struct protosw' into one. Now we have
2014-08-08 01:57:15 +00:00
pim.h
…
raw_ip.c
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
sctp_asconf.c
Address another warnings reported by Patrick Laimbock when compiling
2014-09-07 17:07:19 +00:00
sctp_asconf.h
…
sctp_auth.c
Use a consistent type for the number of HMAC algorithms.
2014-09-16 14:20:33 +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
In
2013-11-30 12:51:19 +00:00
sctp_bsd_addr.h
…
sctp_cc_functions.c
Small cleanup which addresses a warning regaring the truncation
2014-09-16 13:48:46 +00:00
sctp_constants.h
Fix the handling of sysctl variables when used with VIMAGE.
2014-09-06 19:12:14 +00:00
sctp_crc32.c
…
sctp_crc32.h
…
sctp_dtrace_declare.h
- For kernel compiled only with KDTRACE_HOOKS and not any lock debugging
2013-11-25 07:38:45 +00:00
sctp_dtrace_define.h
dtrace sdt: remove the ugly sname parameter of SDT_PROBE_DEFINE
2013-11-26 08:46:27 +00:00
sctp_header.h
Fix the reported streams in a SCTP_STREAM_RESET_EVENT, if a
2014-10-16 15:36:04 +00:00
sctp_indata.c
Add support for the SCTP_PR_SUPPORTED socket option as specified in
2014-08-02 21:36:40 +00:00
sctp_indata.h
Code cleanups.
2013-07-03 18:48:43 +00:00
sctp_input.c
Fix the reported streams in a SCTP_STREAM_RESET_EVENT, if a
2014-10-16 15:36:04 +00:00
sctp_input.h
Fix the reported streams in a SCTP_STREAM_RESET_EVENT, if a
2014-10-16 15:36:04 +00:00
sctp_lock_bsd.h
…
sctp_os_bsd.h
The MTU is handled as a 32-bit entity within the SCTP stack.
2014-09-16 09:22:43 +00:00
sctp_os.h
…
sctp_output.c
Fix a use of an uninitialized variable by makeing sure
2014-10-25 09:25:29 +00:00
sctp_output.h
Ensure that the list of streams sent in a stream reset parameter fits
2014-10-08 15:30:59 +00:00
sctp_pcb.c
Use a consistent type for the number of HMAC algorithms.
2014-09-16 14:20:33 +00:00
sctp_pcb.h
Add support for the SCTP_AUTH_SUPPORTED and SCTP_ASCONF_SUPPORTED
2014-08-12 11:30:16 +00:00
sctp_peeloff.c
Add support for the SCTP_AUTH_SUPPORTED and SCTP_ASCONF_SUPPORTED
2014-08-12 11:30:16 +00:00
sctp_peeloff.h
Remove unused function.
2012-11-25 14:25:08 +00:00
sctp_ss_functions.c
…
sctp_structs.h
Chunk IDs are 8 bit entities, not 16 bit.
2014-09-15 19:38:34 +00:00
sctp_syscalls.c
Avoid dynamic syscall overhead for statically compiled modules.
2014-10-26 19:42:44 +00:00
sctp_sysctl.c
Don't zero the stats before they are read out.
2014-11-01 10:35:45 +00:00
sctp_sysctl.h
Fix the handling of sysctl variables when used with VIMAGE.
2014-09-06 19:12:14 +00:00
sctp_timer.c
Add support for the SCTP_PR_SUPPORTED socket option as specified in
2014-08-02 21:36:40 +00:00
sctp_timer.h
…
sctp_uio.h
Add support for the SCTP_PR_STREAM_STATUS and SCTP_PR_ASSOC_STATUS
2014-08-13 15:50:16 +00:00
sctp_usrreq.c
Ensure that the number of stream reported in srs_number_streams is
2014-10-08 15:29:49 +00:00
sctp_var.h
Merge 'struct ip6protosw' and 'struct protosw' into one. Now we have
2014-08-08 01:57:15 +00:00
sctp.h
Add support for the SCTP_PR_STREAM_STATUS and SCTP_PR_ASSOC_STATUS
2014-08-13 15:50:16 +00:00
sctputil.c
Add context pointer and source address to the UDP tunnel callback
2014-10-10 06:08:59 +00:00
sctputil.h
Cleanup sctp_send_initiate() and sctp_send_initiate_ack() to be
2014-08-01 12:42:37 +00:00
siftr.c
In preparation of merging projects/sendfile, transform bare access to
2014-11-12 09:57:15 +00:00
tcp_debug.c
…
tcp_debug.h
…
tcp_fsm.h
…
tcp_hostcache.c
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
tcp_hostcache.h
Add scope zone id to the in_endpoints and hc_metrics structures.
2014-09-10 16:26:18 +00:00
tcp_input.c
In preparation of merging projects/sendfile, transform bare access to
2014-11-12 09:57:15 +00:00
tcp_lro.c
Merge r254336 from user/np/cxl_tuning.
2013-08-28 23:00:34 +00:00
tcp_lro.h
Merge r254336 from user/np/cxl_tuning.
2013-08-28 23:00:34 +00:00
tcp_offload.c
The r48589 promised to remove implicit inclusion of if_var.h soon. Prepare
2013-10-26 17:58:36 +00:00
tcp_offload.h
…
tcp_output.c
In preparation of merging projects/sendfile, transform bare access to
2014-11-12 09:57:15 +00:00
tcp_reass.c
Satisfy assertion in m_demote().
2014-09-04 19:28:02 +00:00
tcp_sack.c
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
tcp_seq.h
…
tcp_subr.c
Remove kernel handling of ICMP_SOURCEQUENCH.
2014-11-10 23:10:01 +00:00
tcp_syncache.c
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
tcp_syncache.h
Introduce spares in the TCP syncache and timewait structures
2013-09-21 10:01:51 +00:00
tcp_timer.c
Fix a race condition in TCP timewait between tcp_tw_2msl_reuse() and
2014-10-30 08:53:56 +00:00
tcp_timer.h
Fix a race condition in TCP timewait between tcp_tw_2msl_reuse() and
2014-10-30 08:53:56 +00:00
tcp_timewait.c
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
tcp_usrreq.c
Fix a race condition in TCP timewait between tcp_tw_2msl_reuse() and
2014-10-30 08:53:56 +00:00
tcp_var.h
Restore spares used in "struct tcpcb" and bump "__FreeBSD_version" to
2014-11-03 13:01:58 +00:00
tcp.h
Add placeholder constants to reserve a portion of the socket option
2013-02-01 15:32:20 +00:00
tcpip.h
…
toecore.c
Catch up with r271119.
2014-09-24 20:12:40 +00:00
toecore.h
…
toeplitz.c
Several years after initial development, merge prototype support for
2014-03-15 00:57:50 +00:00
toeplitz.h
Several years after initial development, merge prototype support for
2014-03-15 00:57:50 +00:00
udp_usrreq.c
Remove SYSCTL_VNET_* macros, and simply put CTLFLAG_VNET where needed.
2014-11-07 09:39:05 +00:00
udp_var.h
Add context pointer and source address to the UDP tunnel callback
2014-10-10 06:08:59 +00:00
udp.h
Add placeholder constants to reserve a portion of the socket option
2013-02-01 15:32:20 +00:00
udplite.h
Add support for UDP-Lite protocol (RFC 3828) to IPv4 and IPv6 stacks.
2014-04-07 01:53:03 +00:00