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opnsense-src/sys/netinet
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Alexander V. Chernikov c541bd368f lltable: Add support for "child" LLEs holding encap for IPv4oIPv6 entries. 
Currently we use pre-calculated headers inside LLE entries as prepend data
 for `if_output` functions. Using these headers allows saving some
 CPU cycles/memory accesses on the fast path.

However, this approach makes adding L2 header for IPv4 traffic with IPv6
 nexthops more complex, as it is not possible to store multiple
 pre-calculated headers inside lle. Additionally, the solution space is
 limited by the fact that PCB caching saves LLEs in addition to the nexthop.

Thus, add support for creating special "child" LLEs for the purpose of holding
 custom family encaps and store mbufs pending resolution. To simplify handling
 of those LLEs, store them in a linked-list inside a "parent" (e.g. normal) LLE.
 Such LLEs are not visible when iterating LLE table. Their lifecycle is bound
 to the "parent" LLE - it is not possible to delete "child" when parent is alive.
 Furthermore, "child" LLEs are static (RTF_STATIC), avoding complex state
 machine used by the standard LLEs.

nd6_lookup() and nd6_resolve() now accepts an additional argument, family,
 allowing to return such child LLEs. This change uses `LLE_SF()` macro which
 packs family and flags in a single int field. This is done to simplify merging
 back to stable/. Once this code lands, most of the cases will be converted to
 use a dedicated `family` parameter.

Differential Revision: https://reviews.freebsd.org/D31379
MFC after:	2 weeks
2021-08-21 17:34:35 +00:00
..
cc tcp: fix two bugs in new reno 2021-06-11 15:40:34 +02:00
khelp sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
libalias libalias: fix divide by zero causing panic 2021-07-10 13:08:18 +02:00
netdump netdump: send key before dump, in case dump fails 2021-08-11 10:54:56 -05:00
tcp_stacks tcp: Add support for DSACK based reordering window to rack. 2021-08-17 16:29:22 -04:00
accf_data.c Define a module version for accept filter modules. 2020-05-19 18:35:08 +00:00
accf_dns.c Define a module version for accept filter modules. 2020-05-19 18:35:08 +00:00
accf_http.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
dccp.h Add header definition for RFC4340, Datagram Congestion Control Protocol 2020-06-17 13:27:13 +00:00
icmp6.h icmp6: Count packets dropped due to an invalid hop limit 2020-10-19 17:07:19 +00:00
icmp_var.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
if_ether.c Use lltable calculated header when sending lle holdchain after successful lle resolution. 2021-08-05 20:44:36 +00:00
if_ether.h Retire arpresolve_addr(), which is not used anywhere, from if_ether.c. 2018-11-17 16:08:36 +00:00
igmp.c igmp: Avoid an out-of-bounds access when zeroing counters 2021-05-05 17:12:51 -04:00
igmp.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
igmp_var.h igmp: convert igmpstat to use PCPU counters 2020-11-08 18:49:23 +00:00
in.c [lltable] Unify datapath feedback mechamism. 2021-08-04 22:52:43 +00:00
in.h Add IP(V6)_VLAN_PCP to set 802.1 priority per-flow. 2020-10-09 12:06:43 +00:00
in_cksum.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in_debug.c CK: update consumers to use CK macros across the board 2018-05-24 23:21:23 +00:00
in_fib.c Fix some common typos in comments 2021-08-08 10:16:06 +02:00
in_fib.h Refactor fib4/fib6 functions. 2020-11-29 13:41:49 +00:00
in_fib_algo.c Fix IPv4 fib bsearch4() lookup array construction. 2021-01-17 20:32:26 +00:00
in_fib_dxr.c Introduce DXR as an IPv4 longest prefix matching / FIB module 2021-05-05 13:45:52 +02:00
in_gif.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
in_jail.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
in_kdtrace.c Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
in_kdtrace.h Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
in_mcast.c Always use inp fib in the inp_lookup_mcast_ifp(). 2021-04-10 13:47:49 +00:00
in_pcb.c Add missing sockaddr length and family validation to various protocols 2021-05-03 13:35:19 -04:00
in_pcb.h tcp: HPTS performance enhancements 2021-07-07 07:22:35 -04:00
in_pcbgroup.c Fix PCBGROUPS build post CK conversion of pcbinfo 2018-06-13 23:19:54 +00:00
in_prot.c Move most of the contents of opt_compat.h to opt_global.h. 2018-04-06 17:35:35 +00:00
in_proto.c capsicum: Limit socket operations in capability mode 2021-04-07 14:32:56 -04:00
in_rmx.c Refactor rib iterator functions. 2020-11-22 20:21:10 +00:00
in_rss.c Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
in_rss.h Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
in_systm.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
in_var.h net: remove legacy in_addmulti() 2021-02-25 10:13:52 +01:00
ip.h carp: Set DSCP value CS7 2018-07-01 08:37:07 +00:00
ip6.h net: Introduce IPV6_DSCP(), IPV6_ECN() and IPV6_TRAFFIC_CLASS() macros 2021-03-04 20:56:48 +01:00
ip_carp.c Further refactor IPv4 interface route creation. 2021-01-21 21:48:49 +00:00
ip_carp.h carp: replace caddr_t with char * 2019-12-06 16:35:48 +00:00
ip_divert.c socket: Implement SO_RERROR 2021-07-28 09:35:09 -07:00
ip_divert.h sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
ip_dummynet.h ipfw: use unsigned int for dummynet bandwidth 2021-08-19 10:48:53 +02:00
ip_ecn.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip_ecn.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip_encap.c Widen NET_EPOCH coverage. 2019-10-07 22:40:05 +00:00
ip_encap.h Add KPI that can be used by tunneling interfaces to handle IP addresses 2018-10-21 17:55:26 +00:00
ip_fastfwd.c ip_fastfwd: style(9) tidy for r367628 2020-11-13 18:25:07 +00:00
ip_fw.h Allow setting alias port ranges in libalias and ipfw. This will allow a system 2021-02-02 13:24:17 -08:00
ip_gre.c Introduce NET_EPOCH_CALL() macro and use it everywhere where we free 2020-01-15 06:05:20 +00:00
ip_icmp.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_icmp.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip_id.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
ip_input.c ip_forward: Restore RFC reference 2021-05-23 00:01:37 +02:00
ip_mroute.c mroute: fix locking issues 2021-08-13 11:06:17 +02:00
ip_mroute.h ip_mroute: rework ip_mroute 2021-05-31 05:48:15 +02:00
ip_options.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_options.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
ip_output.c Simplify nhop operations in ip_output(). 2021-08-08 09:19:27 +00:00
ip_reass.c ip_reass: do less work in ipreass_slowtimo if possible 2021-08-14 18:50:12 +02:00
ip_var.h An earlier commit effectively turned out the fast forwading path 2020-11-12 21:58:47 +00:00
pim.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
pim_var.h Rework IP encapsulation handling code. 2018-06-05 20:51:01 +00:00
raw_ip.c ipsec: Handle ICMP NEEDFRAG message. 2021-08-09 12:01:46 +02:00
sctp.h Improve the handling of cookie life times. 2020-10-16 10:44:48 +00:00
sctp_asconf.c sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
sctp_asconf.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_auth.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_auth.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_bsd_addr.c Don't pass RFPROC to kproc_create(), it is redundant. 2021-03-12 09:48:10 -08:00
sctp_bsd_addr.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_cc_functions.c sctp: remove some set, but unused variables 2021-08-09 15:58:46 +02:00
sctp_constants.h sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
sctp_crc32.c No need to include netinet/sctp_crc32.h twice. 2020-06-22 14:36:14 +00:00
sctp_crc32.h Add the SCTP_SUPPORT kernel option. 2020-06-18 19:32:34 +00:00
sctp_header.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_indata.c sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
sctp_indata.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_input.c sctp: improve handling of illegal parameters of INIT-ACK chunks 2021-08-20 14:06:41 +02:00
sctp_input.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_kdtrace.c Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
sctp_kdtrace.h Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
sctp_lock_bsd.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_module.c Provide support for building SCTP as a loadable module. 2020-07-10 14:56:05 +00:00
sctp_os.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_os_bsd.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_output.c sctp: remove some set, but unused variables 2021-08-09 15:58:46 +02:00
sctp_output.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_pcb.c sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
sctp_pcb.h sctp: initialize sequence numbers for ECN correctly 2021-06-27 20:14:48 +02:00
sctp_peeloff.c Non-functional changes due to upstream cleanup. 2020-06-11 13:34:09 +00:00
sctp_peeloff.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
sctp_ss_functions.c Fix a few typos in comments 2021-03-13 16:37:28 +01:00
sctp_structs.h sctp: improve consistency 2021-01-24 00:07:41 +01:00
sctp_syscalls.c Convert remaining cap_rights_init users to cap_rights_init_one 2021-01-12 13:16:10 +00:00
sctp_sysctl.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_sysctl.h Improve the handling of cookie life times. 2020-10-16 10:44:48 +00:00
sctp_timer.c sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
sctp_timer.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_uio.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_usrreq.c sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
sctp_var.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctputil.c sctp: improve input validation of mapped addresses in sctp_connectx() 2021-08-07 15:12:09 +02:00
sctputil.h sctp: Fix errno in case of association setup failures 2021-07-09 23:19:25 +02:00
siftr.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp.h tcp: Add support for DSACK based reordering window to rack. 2021-08-17 16:29:22 -04:00
tcp_accounting.h This brings into sync FreeBSD with the netflix versions of rack and bbr. 2021-05-06 11:22:26 -04:00
tcp_debug.c sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
tcp_debug.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
tcp_fastopen.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_fastopen.h Greatly reduce the number of #ifdefs supporting the TCP_RFC7413 kernel option. 2018-02-26 03:03:41 +00:00
tcp_fsm.h White space cleanup -- remove trailing tab's or spaces 2020-02-12 13:31:36 +00:00
tcp_hostcache.c tcp_hostcache: use SMR for lookups, mutex(9) for updates. 2021-04-20 10:02:20 -07:00
tcp_hpts.c tcp: Fix 32 bit platform breakage 2021-07-08 08:16:45 -04:00
tcp_hpts.h tcp: HPTS performance enhancements 2021-07-07 07:22:35 -04:00
tcp_input.c tcp: Add PRR cwnd reduction for non-SACK loss 2021-06-19 19:25:22 +02:00
tcp_log_buf.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_log_buf.h tcp: Add support for DSACK based reordering window to rack. 2021-08-17 16:29:22 -04:00
tcp_lro.c Update the TCP LRO code to handle both encrypted and un-encrypted traffic. 2021-08-06 11:28:44 +02:00
tcp_lro.h Update the TCP LRO code to handle both encrypted and un-encrypted traffic. 2021-08-06 11:28:44 +02:00
tcp_offload.c Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
tcp_offload.h Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
tcp_output.c tcp: Preparation for allowing hardware TLS to be able to kick a tcp connection that is retransmitting too much out of hardware and back to software. 2021-06-25 09:30:54 -04:00
tcp_pcap.c Step 4.2: start divorce of M_EXT and M_EXTPG 2020-05-03 00:37:16 +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_ratelimit.c This brings into sync FreeBSD with the netflix versions of rack and bbr. 2021-05-06 11:22:26 -04:00
tcp_ratelimit.h This takes Warners suggested approach to making it so that 2021-05-07 17:32:32 -04:00
tcp_reass.c tcp: A better fix for the previously attempted fix of the ack-war issue with tcp. 2021-06-04 05:26:43 -04:00
tcp_sack.c tcp: SACK Lost Retransmission Detection (LRD) 2021-05-10 19:06:20 +02:00
tcp_seq.h r330675 introduced an extra window check in the LRO code to ensure it 2018-04-03 13:54:38 +00:00
tcp_stats.c Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many) 2020-02-26 14:26:36 +00:00
tcp_subr.c tcp: TCP_LRO getting bad checksums and sending it in to TCP incorrectly. 2021-07-13 12:45:15 -04:00
tcp_syncache.c Unbreak TFO, that was broken with 8d5719aa74. These two assignments 2021-06-22 16:03:44 -07:00
tcp_syncache.h tcp: add support for TCP over UDP 2021-04-18 16:16:42 +02:00
tcp_timer.c Improve the TCP blackhole detection. The principle is to reduce the 2020-04-14 16:35:05 +00:00
tcp_timer.h kern: net: remove TCP_LINGERTIME 2021-02-18 22:36:01 -06:00
tcp_timewait.c tcp_twcheck(): use correct unlock macro. 2021-05-06 10:19:21 -07:00
tcp_usrreq.c tcp, udp: improve input validation in handling bind() 2021-08-05 13:48:44 +02:00
tcp_var.h ktls: Move KERN_TLS ifdef to tcp_var.h 2021-08-05 19:17:35 -04:00
tcpip.h sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
toecore.c lltable: Add support for "child" LLEs holding encap for IPv4oIPv6 entries. 2021-08-21 17:34:35 +00:00
toecore.h Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
udp.h White space cleanup -- remove trailing tab's or spaces 2020-02-12 13:31:36 +00:00
udp_usrreq.c tcp, udp: improve input validation in handling bind() 2021-08-05 13:48:44 +02:00
udp_var.h Add a knob to allow zero UDP checksums for UDP/IPv6 traffic on the given UDP port. 2020-09-18 02:21:15 +00:00
udplite.h White space cleanup -- remove trailing tab's or spaces 2020-02-12 13:31:36 +00:00