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opnsense-src/sys/netinet
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Qing Li e440aed958 This patch provides the back end support for equal-cost multi-path 
(ECMP) for both IPv4 and IPv6. Previously, multipath route insertion
is disallowed. For example,

	route add -net 192.103.54.0/24 10.9.44.1
	route add -net 192.103.54.0/24 10.9.44.2

The second route insertion will trigger an error message of
"add net 192.103.54.0/24: gateway 10.2.5.2: route already in table"

Multiple default routes can also be inserted. Here is the netstat
output:

default		10.2.5.1	UGS	0	3074	bge0 =>
default		10.2.5.2	UGS	0	0	bge0

When multipath routes exist, the "route delete" command requires
a specific gateway to be specified or else an error message would
be displayed. For example,

	route delete default

would fail and trigger the following error message:

"route: writing to routing socket: No such process"
"delete net default: not in table"

On the other hand,

	route delete default 10.2.5.2

would be successful: "delete net default: gateway 10.2.5.2"

One does not have to specify a gateway if there is only a single
route for a particular destination.

I need to perform more testings on address aliases and multiple
interfaces that have the same IP prefixes. This patch as it
stands today is not yet ready for prime time. Therefore, the ECMP
code fragments are fully guarded by the RADIX_MPATH macro.
Include the "options  RADIX_MPATH" in the kernel configuration
to enable this feature.

Reviewed by:	robert, sam, gnn, julian, kmacy
2008-04-13 05:45:14 +00:00
..
libalias Explicitate the newpacket size. 2008-03-19 11:28:13 +00:00
accf_data.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
accf_http.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
icmp6.h - Disabled responding to NI queries from a global address by default as 2007-05-17 21:20:24 +00:00
icmp_var.h Attempt to improve feature parity between UDPv4 and UDPv6 by merging 2007-07-19 22:34:25 +00:00
if_atm.c Add newline to debuging printf. 2005-08-26 15:27:18 +00:00
if_atm.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
if_ether.c Don't duplicate the whole of arpresolve to arpresolve 2 for the sake 2007-12-31 23:48:06 +00:00
if_ether.h Don't duplicate the whole of arpresolve to arpresolve 2 for the sake 2007-12-31 23:48:06 +00:00
igmp.c Move towards more explicit support for various network protocol stacks 2007-10-28 15:55:23 +00:00
igmp.h Stub out imported IGMPv3 definitions which clash with those of 2007-06-15 18:59:10 +00:00
igmp_var.h Import rewrite of IPv4 socket multicast layer to support source-specific 2007-06-12 16:24:56 +00:00
in.c Differentiate between addifaddr and delifaddr for the privilege check. 2008-01-24 08:14:38 +00:00
in.h Change the default port range for outgoing connections by introducing 2008-03-04 19:16:21 +00:00
in_cksum.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
in_gif.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
in_gif.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
in_mcast.c Over the past couple of years, there have been a number of reports relating 2007-08-06 22:06:36 +00:00
in_pcb.c In in_pcbnotifyall() and in6_pcbnotify(), use LIST_FOREACH_SAFE() and 2008-04-06 21:20:56 +00:00
in_pcb.h change inp_wlock_assert to inp_lock_assert 2008-03-24 20:24:04 +00:00
in_proto.c This patch provides the back end support for equal-cost multi-path 2008-04-13 05:45:14 +00:00
in_rmx.c Remove unused structure member from struct in_ifadown_arg. 2008-02-07 11:26:52 +00:00
in_systm.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
in_var.h Import rewrite of IPv4 socket multicast layer to support source-specific 2007-06-12 16:24:56 +00:00
ip.h Remove IPTOS_CE and IPTOS_ECT constants. They were defined in RFC 2481 2007-10-19 12:46:15 +00:00
ip6.h move RFC3542 related definitions into ip6.h. 2005-07-20 10:30:52 +00:00
ip_carp.c If the vhid already present, return EEXIST instead of 2008-02-07 13:18:59 +00:00
ip_carp.h Make sure that carp_header is 36 bytes long 2006-12-01 18:37:41 +00:00
ip_divert.c Merge first in a series of TrustedBSD MAC Framework KPI changes 2007-10-24 19:04:04 +00:00
ip_divert.h Convert IPDIVERT into a loadable module. This makes use of the dynamic loadability 2004-10-19 21:14:57 +00:00
ip_dummynet.c Dummynet has a limit of 100 slots queue size (or 1MB, if you give 2008-02-27 13:52:33 +00:00
ip_dummynet.h 1) dummynet_io() declaration has changed. 2007-11-06 23:01:42 +00:00
ip_ecn.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
ip_ecn.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ip_encap.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
ip_encap.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
ip_fastfwd.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
ip_fw.h Move ipfw's nat code into its own kld: ipfw_nat. 2008-02-29 22:27:19 +00:00
ip_fw2.c Don't cache ptr to nat rule in case of tablearg argument. 2008-03-17 23:02:56 +00:00
ip_fw_nat.c When unloading kld, don't forget to flush the nat pointers. 2008-03-03 22:32:01 +00:00
ip_fw_pfil.c Raise a bit ipfw kld priority. 2008-03-03 10:12:46 +00:00
ip_gre.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
ip_gre.h Fix stack corruptions on amd64. 2006-01-21 10:44:34 +00:00
ip_icmp.c Continue to move from generic network entry points in the TrustedBSD MAC 2007-10-28 17:12:48 +00:00
ip_icmp.h Pass icmp_error() the MTU argument directly instead of 2005-05-04 13:09:19 +00:00
ip_id.c Replace the random IP ID generation code we 2008-02-06 15:40:30 +00:00
ip_input.c Take the route mtu into account, if available, when sending an 2008-04-09 05:17:18 +00:00
ip_ipsec.c Take the route mtu into account, if available, when sending an 2008-04-09 05:17:18 +00:00
ip_ipsec.h Take the route mtu into account, if available, when sending an 2008-04-09 05:17:18 +00:00
ip_mroute.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
ip_mroute.h Store the cached route in vifp in the normal send_packet() case. 2007-02-08 23:05:08 +00:00
ip_options.c Replace the last susers calls in netinet6/ with privilege checks. 2008-01-24 08:25:59 +00:00
ip_options.h Normalize style a bit: reduce pseudo-randomness of comment layout and 2007-05-11 10:48:30 +00:00
ip_output.c This patch provides the back end support for equal-cost multi-path 2008-04-13 05:45:14 +00:00
ip_var.h Import rewrite of IPv4 socket multicast layer to support source-specific 2007-06-12 16:24:56 +00:00
ipprotosw.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
pim.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
pim_var.h Remove public declarations of variables that were forgotten when they were 2005-08-10 07:10:02 +00:00
raw_ip.c Merge first in a series of TrustedBSD MAC Framework KPI changes 2007-10-24 19:04:04 +00:00
sctp.h - Found a problem in non-blocking sends. When 2007-12-04 14:41:48 +00:00
sctp_asconf.c - Bug fix managing congestion parameter on immediate 2007-10-01 03:22:29 +00:00
sctp_asconf.h - Get rid of unsused constants for sysctl variables. 2007-09-15 19:07:42 +00:00
sctp_auth.c - Fix a bug where the socket may have been closed which 2008-01-28 10:31:12 +00:00
sctp_auth.h - fix send_failed notification contents 2007-06-09 13:46:57 +00:00
sctp_bsd_addr.c - Change back to using prioity 0. Which means don't change the 2008-01-28 10:33:41 +00:00
sctp_bsd_addr.h - Fixes so we won't try to start a timer when we 2007-05-29 09:29:03 +00:00
sctp_cc_functions.c - Locking compatiability changes. This involves adding 2007-09-08 11:35:11 +00:00
sctp_cc_functions.h - Added some comments to tell where the htcp 2007-09-10 17:06:25 +00:00
sctp_constants.h - Change the Time Wait of vtags value to match the cookie-life 2007-10-30 14:09:24 +00:00
sctp_crc32.c - Copyright change, cisco's silly tool wants it to say: 2007-05-08 17:01:12 +00:00
sctp_crc32.h - Copyright change, cisco's silly tool wants it to say: 2007-05-08 17:01:12 +00:00
sctp_header.h - Fix address add handling to clear cached routes and source addresses 2007-08-24 00:53:53 +00:00
sctp_indata.c - Fixes a comparison wrap issue with sack gap ack blocks that 2008-01-28 10:25:43 +00:00
sctp_indata.h - Fix stream reset so it limits the number of streams that can be listed 2007-06-22 13:50:56 +00:00
sctp_input.c Correct two problems relating to sorflush(), which is called to flush 2008-01-31 08:22:24 +00:00
sctp_input.h - Consolidate the code that free's chunks to actually also 2007-07-02 19:22:22 +00:00
sctp_lock_bsd.h - The address lock is changed to a rwlock. This 2007-09-18 15:16:39 +00:00
sctp_os.h - Fix address add handling to clear cached routes and source addresses 2007-08-24 00:53:53 +00:00
sctp_os_bsd.h - The address lock is changed to a rwlock. This 2007-09-18 15:16:39 +00:00
sctp_output.c - Takes out stray ifdef code that should not have been present. 2008-02-22 15:06:25 +00:00
sctp_output.h - Bug fix managing congestion parameter on immediate 2007-10-01 03:22:29 +00:00
sctp_pcb.c Fixes a memory leak when VRF's are in play. 2008-02-22 15:08:10 +00:00
sctp_pcb.h - Change the Time Wait of vtags value to match the cookie-life 2007-10-30 14:09:24 +00:00
sctp_peeloff.c Correct two problems relating to sorflush(), which is called to flush 2008-01-31 08:22:24 +00:00
sctp_peeloff.h - Copyright change, cisco's silly tool wants it to say: 2007-05-08 17:01:12 +00:00
sctp_structs.h - Found a problem in non-blocking sends. When 2007-12-04 14:41:48 +00:00
sctp_sysctl.c - DF bit was on for COOKIE-ECHO chunks. This is 2007-09-13 14:43:54 +00:00
sctp_sysctl.h - Get rid of unsused constants for sysctl variables. 2007-09-15 19:07:42 +00:00
sctp_timer.c - fix sctp_ifn initial refcount issue (prevents deletion) 2007-10-16 14:05:51 +00:00
sctp_timer.h - Incorrect error EAGAIN returned for invalid send on a locked 2007-09-13 10:36:43 +00:00
sctp_uio.h - The address lock is changed to a rwlock. This 2007-09-18 15:16:39 +00:00
sctp_usrreq.c - More fixes for lock misses on the transfer of data to 2007-12-07 01:32:14 +00:00
sctp_var.h - fix sctp_ifn initial refcount issue (prevents deletion) 2007-10-16 14:05:51 +00:00
sctputil.c Correct two problems relating to sorflush(), which is called to flush 2008-01-31 08:22:24 +00:00
sctputil.h - Change the Time Wait of vtags value to match the cookie-life 2007-10-30 14:09:24 +00:00
tcp.h Use #defines for TCP options padding after EOL to be consistent. 2008-04-07 18:43:59 +00:00
tcp_debug.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
tcp_debug.h o Use a define for a buffer size. 2007-03-24 22:15:02 +00:00
tcp_fsm.h Make tcpstates[] static, and make sure TCPSTATES is defined before 2007-07-30 11:06:42 +00:00
tcp_hostcache.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
tcp_input.c Add further TCP inpcb locking assertions to some TCP input code paths. 2008-04-07 12:41:45 +00:00
tcp_offload.c Remove extraneous debug statements. 2007-12-19 05:17:40 +00:00
tcp_offload.h Incorporate TCP offload hooks in to core TCP code. 2007-12-18 22:59:07 +00:00
tcp_output.c Remove TCP options ordering assumptions in tcp_addoptions(). Ordering 2008-04-07 19:09:23 +00:00
tcp_reass.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
tcp_sack.c Coalesce two identical UCB licenses into a single license instance with 2007-05-11 11:21:43 +00:00
tcp_seq.h Remove T/TCP RFC1644 Connection Count comparison macros. They are no longer 2006-06-18 14:24:12 +00:00
tcp_subr.c Incorporate TCP offload hooks in to core TCP code. 2007-12-18 22:59:07 +00:00
tcp_syncache.c Fix bugs in the TCP syncache timeout code. including: 2007-12-19 16:56:28 +00:00
tcp_syncache.h Add interface for tcp offload to syncache: 2007-12-12 20:35:59 +00:00
tcp_timer.c Add FBSDID to all files in netinet so that people can more 2007-10-07 20:44:24 +00:00
tcp_timer.h Two changes: 2007-09-24 05:26:24 +00:00
tcp_timewait.c Merge first in a series of TrustedBSD MAC Framework KPI changes 2007-10-24 19:04:04 +00:00
tcp_usrreq.c tcp_usrreq.c:1.313 removed tcbinfo locking from tcp_usr_accept(), which 2008-01-23 21:15:51 +00:00
tcp_var.h Change FreeBSD 7 so that it returns TCP options in 2008-02-24 05:13:20 +00:00
tcpip.h /* -> /*- for license, minor formatting changes 2005-01-07 01:45:51 +00:00
toedev.h Update the toedev's connect interface to reflect the fact that the inpcb 2007-12-16 05:30:21 +00:00
udp.h Gratuitous UDP restyling toward style(9) in 7.x. 2007-02-20 10:13:11 +00:00
udp_usrreq.c Merge first in a series of TrustedBSD MAC Framework KPI changes 2007-10-24 19:04:04 +00:00
udp_var.h Further cleanup of UDPv4: 2007-07-10 09:30:46 +00:00