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freebsd-dev/sys/netinet
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Alexander V. Chernikov 4fb3a8208c Implement interface link header precomputation API. 
Add if_requestencap() interface method which is capable of calculating
  various link headers for given interface. Right now there is support
  for INET/INET6/ARP llheader calculation (IFENCAP_LL type request).
  Other types are planned to support more complex calculation
  (L2 multipath lagg nexthops, tunnel encap nexthops, etc..).

Reshape 'struct route' to be able to pass additional data (with is length)
  to prepend to mbuf.

These two changes permits routing code to pass pre-calculated nexthop data
  (like L2 header for route w/gateway) down to the stack eliminating the
  need for other lookups. It also brings us closer to more complex scenarios
  like transparently handling MPLS nexthops and tunnel interfaces.
  Last, but not least, it removes layering violation introduced by flowtable
  code (ro_lle) and simplifies handling of existing if_output consumers.

ARP/ND changes:
Make arp/ndp stack pre-calculate link header upon installing/updating lle
  record. Interface link address change are handled by re-calculating
  headers for all lles based on if_lladdr event. After these changes,
  arpresolve()/nd6_resolve() returns full pre-calculated header for
  supported interfaces thus simplifying if_output().
Move these lookups to separate ether_resolve_addr() function which ether
  returs error or fully-prepared link header. Add <arp|nd6_>resolve_addr()
  compat versions to return link addresses instead of pre-calculated data.

BPF changes:
Raw bpf writes occupied _two_ cases: AF_UNSPEC and pseudo_AF_HDRCMPLT.
Despite the naming, both of there have ther header "complete". The only
  difference is that interface source mac has to be filled by OS for
  AF_UNSPEC (controlled via BIOCGHDRCMPLT). This logic has to stay inside
  BPF and not pollute if_output() routines. Convert BPF to pass prepend data
  via new 'struct route' mechanism. Note that it does not change
  non-optimized if_output(): ro_prepend handling is purely optional.
Side note: hackish pseudo_AF_HDRCMPLT is supported for ethernet and FDDI.
  It is not needed for ethernet anymore. The only remaining FDDI user is
  dev/pdq mostly untouched since 2007. FDDI support was eliminated from
  OpenBSD in 2013 (sys/net/if_fddisubr.c rev 1.65).

Flowtable changes:
  Flowtable violates layering by saving (and not correctly managing)
  rtes/lles. Instead of passing lle pointer, pass pointer to pre-calculated
  header data from that lle.

Differential Revision:	https://reviews.freebsd.org/D4102
2015-12-31 05:03:27 +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
tcp_stacks Remove redundant extern's that make the ppc compile fail. 2015-12-16 15:16:44 +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 Implement interface link header precomputation API. 2015-12-31 05:03:27 +00:00
if_ether.h Implement interface link header precomputation API. 2015-12-31 05:03:27 +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 In the same way fix the problem described in r291578 for IGMPv3. 2015-12-01 11:24:30 +00:00
igmp.h
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 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 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 Since r256624 we've been leaking routing table allocations 2015-12-22 14:53:19 +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 Revert r292275 & r292379 2015-12-17 14:41:30 +00:00
in.c Implement interface link header precomputation API. 2015-12-31 05:03:27 +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 Revert r292275 & r292379 2015-12-17 14:41:30 +00:00
ip_carp.h
ip_divert.c Convert netinet6/ to use new routing API. 2014-11-04 15:39:56 +00:00
ip_divert.h
ip_dummynet.h
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
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 Implement interface link header precomputation API. 2015-12-31 05:03:27 +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
ip.h Since the IETF has redefined the meaning of the tos field to accommodate 2015-07-18 06:48:30 +00:00
pim_var.h
pim.h
raw_ip.c Convert in_ifaddr_lock and in6_ifaddr_lock to rmlock. 2015-07-29 08:12:05 +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 style issues around existing SDT probes. 2015-12-16 23:39:27 +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 Stop processing of a SACK when the association has been aborted. 2015-12-21 18:52:02 +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_bsd.h Replace sys/crypto/sha2/sha2.c with lib/libmd/sha512c.c 2015-12-27 17:33:59 +00:00
sctp_os.h
sctp_output.c Don't implicitly terminate a user message when moving it to the 2015-12-25 18:11:40 +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
sctp.h Cleanup the handling of error causes for ERROR chunks. This fixes 2015-09-12 17:08:51 +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_debug.c
tcp_debug.h
tcp_fastopen.c Implementation of server-side TCP Fast Open (TFO) [RFC7413]. 2015-12-24 19:09:48 +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
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 When checking the inp_ip_minttl restriction for IPv6 packets, don't check 2015-12-29 19:20:39 +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 Implementation of server-side TCP Fast Open (TFO) [RFC7413]. 2015-12-24 19:09:48 +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 First cut of the modularization of our TCP stack. Still 2015-12-16 00:56:45 +00:00
tcp_seq.h
tcp_subr.c Implementation of server-side TCP Fast Open (TFO) [RFC7413]. 2015-12-24 19:09:48 +00:00
tcp_syncache.c Implementation of server-side TCP Fast Open (TFO) [RFC7413]. 2015-12-24 19:09:48 +00:00
tcp_syncache.h Implementation of server-side TCP Fast Open (TFO) [RFC7413]. 2015-12-24 19:09:48 +00:00
tcp_timer.c Implementation of server-side TCP Fast Open (TFO) [RFC7413]. 2015-12-24 19:09:48 +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 Implementation of server-side TCP Fast Open (TFO) [RFC7413]. 2015-12-24 19:09:48 +00:00
tcp_var.h Implementation of server-side TCP Fast Open (TFO) [RFC7413]. 2015-12-24 19:09:48 +00:00
tcp.h Implementation of server-side TCP Fast Open (TFO) [RFC7413]. 2015-12-24 19:09:48 +00:00
tcpip.h
toecore.c Implement interface link header precomputation API. 2015-12-31 05:03:27 +00:00
toecore.h * Convert TOE framework to use new routing api. 2014-10-25 18:25:00 +00:00
udp_usrreq.c Fixed comment placement. 2015-12-24 13:57:43 +00:00
udp_var.h get_inpcbinfo() and get_pcblist() are UDP local functions and 2015-08-27 15:27:41 +00:00
udp.h
udplite.h