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freebsd-nq/sys/netinet
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Ermal Luçi d14122b078 Avoid doing multiple route lookups for the same destination IP during forwarding 
ip_forward() does a route lookup for testing this packet can be sent to a known destination,
it also can do another route lookup if it detects that an ICMP redirect is needed,
it forgets all of this and handovers to ip_output() to do the same lookup yet again.

This optimisation just does one route lookup during the forwarding path and handovers that to be considered by ip_output().

Differential Revision:	https://reviews.freebsd.org/D2964
Approved by:	ae, gnn(mentor)
MFC after:	1 week
2015-07-02 18:10:41 +00:00
..
cc DCTCP (Data Center TCP) implementation. 2015-01-12 08:33:04 +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 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
if_ether.c If there is a system with a bpf consumer running and a packet is wanted 2015-06-17 12:23:04 +00:00
if_ether.h Do not return unlocked/unreferenced lle in arpresolve/nd6_storelladdr - 2014-11-27 23:06:25 +00:00
igmp_var.h - Rename 'struct igmp_ifinfo' into 'struct igmp_ifsoftc', since it really 2015-02-19 22:35:23 +00:00
igmp.c Improve patch for SA-15:04.igmp to solve a potential buffer overflow. 2015-04-07 20:20:03 +00:00
igmp.h
in_cksum.c
in_debug.c
in_gif.c Add an ability accept encapsulated packets from different sources by one 2015-05-15 12:19:45 +00:00
in_kdtrace.c Brief demo script showing the various values that can be read via 2015-04-29 17:19:55 +00:00
in_kdtrace.h Brief demo script showing the various values that can be read via 2015-04-29 17:19:55 +00:00
in_mcast.c Fix build with KTR after r278978. 2015-02-19 15:41:23 +00:00
in_pcb.c CALLOUT_MPSAFE has lost its meaning since r141428, i.e., for more than ten 2015-05-22 17:05:21 +00:00
in_pcb.h Start process of removing the use of the deprecated "M_FLOWID" flag 2014-12-01 11:45:24 +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 Kill custom in_matroute() radix mathing function removing one rte mutex lock. 2014-11-11 02:52:40 +00:00
in_rss.c Correctly const-ify things. 2015-03-18 04:40:36 +00:00
in_rss.h Refactor / restructure the RSS code into generic, IPv4 and IPv6 specific 2015-01-18 18:06:40 +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 Move all code related to IP fragment reassembly to ip_reass.c. Some 2015-04-10 06:02:37 +00:00
in.c Provide functions to determine presence of a given address 2015-04-17 11:57:06 +00:00
in.h Provide functions to determine presence of a given address 2015-04-17 11:57:06 +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 Improve carp(4) locking: 2015-04-21 20:25:12 +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 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 Remove incorrect layering violating code that: 2015-01-12 09:41:12 +00:00
ip_fw.h Make rule table kernel-index rewriting support any kind of objects. 2015-04-27 08:29:39 +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 Where appropriate, use the modern terms for the one true time base 2014-12-21 05:07:11 +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 Avoid doing multiple route lookups for the same destination IP during forwarding 2015-07-02 18:10:41 +00:00
ip_ipsec.c Remove now unneded KEY_FREESP() for case when ipsec[46]_process_packet() 2015-04-27 01:11:09 +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 Use M_WRITABLE() and M_LEADINGSPACE() rather than checking M_EXT and 2015-01-06 14:32:28 +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 Extend fixes made in r278103 and r38754 by copying the complete packet 2015-04-02 15:47:37 +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 o Use new function ip_fillid() in all places throughout the kernel, 2015-04-01 22:26:39 +00:00
ip.h Change struct attribute to avoid aligned operations mismatch 2015-02-24 12:57:03 +00:00
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 o Use new function ip_fillid() in all places throughout the kernel, 2015-04-01 22:26:39 +00:00
sctp_asconf.c Add FIB support for SCTP. 2015-06-17 15:20:14 +00:00
sctp_asconf.h
sctp_auth.c Make sure that we don't free an SCTP shared key too early. 2015-03-25 22:45:54 +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 Fix and cleanup the debug information. This has no user-visible changes. 2015-05-28 16:00:23 +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 Fix and cleanup the debug information. This has no user-visible changes. 2015-05-28 16:00:23 +00:00
sctp_indata.h
sctp_input.c Fix a bug related to flow assignment I introduce in 2015-06-17 19:26:23 +00:00
sctp_input.h Add FIB support for SCTP. 2015-06-17 15:20:14 +00:00
sctp_lock_bsd.h
sctp_os_bsd.h Add FIB support for SCTP. 2015-06-17 15:20:14 +00:00
sctp_os.h
sctp_output.c Add FIB support for SCTP. 2015-06-17 15:20:14 +00:00
sctp_output.h Add FIB support for SCTP. 2015-06-17 15:20:14 +00:00
sctp_pcb.c Add FIB support for SCTP. 2015-06-17 15:20:14 +00:00
sctp_pcb.h Add FIB support for SCTP. 2015-06-17 15:20:14 +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 Improve the selection of the destination address of SACK chunks. 2015-03-26 22:05:31 +00:00
sctp_syscalls.c Fix two KTRACE related bugs. 2015-06-19 21:55:12 +00:00
sctp_sysctl.c Export a pointer to the SCTP socket. This is needed to add SCTP support 2015-06-04 12:46:56 +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 Fix and cleanup the debug information. This has no user-visible changes. 2015-05-28 16:00:23 +00:00
sctp_timer.h
sctp_uio.h Export a pointer to the SCTP socket. This is needed to add SCTP support 2015-06-04 12:46:56 +00:00
sctp_usrreq.c When setting the primary address, return an error whenever it fails. 2015-06-19 12:48:22 +00:00
sctp_var.h Stop the heartbeat timer when removing a net. 2015-06-14 17:48:44 +00:00
sctp.h Add a SCTP socket option to limit the cwnd for each path. 2015-03-10 19:49:25 +00:00
sctputil.c Add FIB support for SCTP. 2015-06-17 15:20:14 +00:00
sctputil.h Add FIB support for SCTP. 2015-06-17 15:20:14 +00:00
siftr.c Move the SIFTR DTrace probe out of the writing thread context 2015-04-30 17:43:40 +00:00
tcp_debug.c
tcp_debug.h
tcp_fsm.h
tcp_hostcache.c CALLOUT_MPSAFE has lost its meaning since r141428, i.e., for more than ten 2015-05-22 17:05:21 +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 Reverting r284710. 2015-06-22 22:16:06 +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 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 Avoid a situation where we do not set persist timer after a zero window 2015-06-29 21:23:54 +00:00
tcp_reass.c Merge from projects/sendfile: extend protocols API to support 2014-11-30 13:24:21 +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 CALLOUT_MPSAFE has lost its meaning since r141428, i.e., for more than ten 2015-05-22 17:05:21 +00:00
tcp_syncache.c Make syncookie_mac() use 'tcp_seq irs' in computing hash. 2015-01-30 17:29:07 +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 callout race condition introduced in TCP timers callouts with r281599. 2015-06-10 20:43:07 +00:00
tcp_timer.h Fix a callout race condition introduced in TCP timers callouts with r281599. 2015-06-10 20:43:07 +00:00
tcp_timewait.c Add a state transition call to show that we have entered TIME_WAIT. 2015-05-01 12:49:03 +00:00
tcp_usrreq.c In TCP, connect() can return incorrect error code EINVAL 2015-03-09 20:29:16 +00:00
tcp_var.h Fix an old and well-documented use-after-free race condition in 2015-04-16 10:00:06 +00:00
tcp.h
tcpip.h
toecore.c Do not return unlocked/unreferenced lle in arpresolve/nd6_storelladdr - 2014-11-27 23:06:25 +00:00
toecore.h
udp_usrreq.c Refactor / restructure the RSS code into generic, IPv4 and IPv6 specific 2015-01-18 18:06:40 +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
udplite.h Add support for UDP-Lite protocol (RFC 3828) to IPv4 and IPv6 stacks. 2014-04-07 01:53:03 +00:00