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opnsense-src/sys/netinet
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Kristof Provost 742e7210d0 udp: allow udp_tun_func_t() to indicate it did not eat the packet 
Allow udp tunnel functions to indicate they have not taken ownership of
the packet, and that normal UDP processing should continue.

This is especially useful for scenarios where the kernel has taken
ownership of a socket that was originally created by userspace. It
allows the tunnel function to pass through certain packets for userspace
processing.

The primary user of this is if_ovpn, when it receives messages from
unknown peers (which might be a new client).

Reviewed by:	tuexen
Sponsored by:	Rubicon Communications, LLC ("Netgate")
Differential Revision:	https://reviews.freebsd.org/D34883
2022-04-12 10:04:59 +02:00
..
cc tcp cc: don't recurse on non recursive mutex 2022-04-05 13:52:36 +02:00
khelp khelp(9): Fix a typo in a source code comment 2022-04-02 14:10:59 +02:00
libalias libalias(3): Fix two typos in source code comments 2022-04-09 09:14:00 +02:00
netdump netdump: send key before dump, in case dump fails 2021-08-11 10:54:56 -05:00
tcp_stacks tcp_bbr(4): Fix a typo in a source code comment 2022-04-09 13:26:20 +02:00
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 net: Fix LLE lock leaks 2022-04-08 11:46:19 -04:00
if_ether.h
igmp.c multicast code: Quiet unused warnings for variables used for KTR traces. 2022-04-06 16:45:28 -07:00
igmp.h
igmp_var.h igmp: convert igmpstat to use PCPU counters 2020-11-08 18:49:23 +00:00
in.c net: Fix memory leaks in lltable_calc_llheader() error paths 2022-04-08 11:47:25 -04:00
in.h Add in_localip_fib(), in6_localip_fib(). 2021-11-12 08:59:42 -08:00
in_cksum.c netinet: Implement in_cksum_skip() using m_apply() 2021-11-24 13:31:16 -05:00
in_debug.c Use network epoch to protect local IPv4 addresses hash. 2021-10-22 14:40:53 -07:00
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 fib_algo: shift / mask by constants in dxr_lookup() 2022-01-17 00:13:47 +01:00
in_gif.c Use network epoch to protect local IPv4 addresses hash. 2021-10-22 14:40:53 -07:00
in_jail.c jail: network epoch protection for IP address lists 2021-12-26 10:45:50 -08:00
in_kdtrace.c Fix dtrace SDT probe tcp:::debug-input 2021-12-20 17:15:43 -09:00
in_kdtrace.h Separate out SCTP related dtrace code. 2019-10-14 20:32:11 +00:00
in_mcast.c ifnet_byindex() actually requires network epoch 2021-12-06 09:32:31 -08:00
in_pcb.c netinet: Fix a typo in a source code comment 2022-04-02 14:39:32 +02:00
in_pcb.h tcp: add sysctl interface for setting socket options 2022-02-09 12:24:41 +01:00
in_pcb_var.h in_pcb: use jenkins hash over the entire IPv6 (or IPv4) address 2021-12-26 10:47:28 -08:00
in_prot.c
in_proto.c domains: make domain_init() initialize only global state 2022-01-03 10:15:22 -08:00
in_rmx.c Refactor rib iterator functions. 2020-11-22 20:21:10 +00:00
in_rss.c Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
in_rss.h Implement flowid calculation for outbound connections to balance 2020-10-18 17:15:47 +00:00
in_systm.h
in_var.h Use network epoch to protect local IPv4 addresses hash. 2021-10-22 14:40:53 -07:00
ip.h tcp: Prevent setting of ECN bits with setsockopt() 2022-02-03 20:06:42 +01:00
ip6.h net: Introduce IPV6_DSCP(), IPV6_ECN() and IPV6_TRAFFIC_CLASS() macros 2021-03-04 20:56:48 +01:00
ip_carp.c carp: fix send error demotion recovery 2021-12-18 17:19:26 -08:00
ip_carp.h carp: replace caddr_t with char * 2019-12-06 16:35:48 +00:00
ip_divert.c inpcb: use global UMA zones for protocols 2022-01-03 10:17:46 -08:00
ip_divert.h
ip_dummynet.h ipfw: use unsigned int for dummynet bandwidth 2021-08-19 10:48:53 +02:00
ip_ecn.c
ip_ecn.h
ip_encap.c Widen NET_EPOCH coverage. 2019-10-07 22:40:05 +00:00
ip_encap.h
ip_fastfwd.c IPv4: fix redirect sending conditions 2021-12-26 15:33:48 +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 udp: allow udp_tun_func_t() to indicate it did not eat the packet 2022-04-12 10:04:59 +02:00
ip_icmp.c Address issue pointed out in CVE-2020-25705 2022-03-31 16:45:50 +02:00
ip_icmp.h
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_mroute: refactor epoch-basd locking 2022-02-02 06:48:05 +01:00
ip_mroute.c IPv4 multicast: fix LOR in shutdown path 2022-04-11 14:51:16 -05:00
ip_mroute.h IPv4 multicast: fix netstat -g 2022-03-22 07:38:01 -05:00
ip_options.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_options.h
ip_output.c Fix ipfw fwd that doesn't work in some cases 2022-04-11 14:16:43 +03:00
ip_reass.c ip_reass: do less work in ipreass_slowtimo if possible 2021-08-14 18:50:12 +02:00
ip_var.h protocols: init with standard SYSINIT(9) or VNET_SYSINIT 2022-01-03 10:15:21 -08:00
pim.h
pim_var.h
raw_ip.c rip: Fix a -Wunused-but-set-variable warning 2022-03-01 09:39:43 -05:00
sctp.h Improve the handling of cookie life times. 2020-10-16 10:44:48 +00:00
sctp_asconf.c sctp: ensure that ASCONF chunks are not too large 2022-03-30 01:22:20 +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 sctp: fix typos 2022-03-29 21:09:51 +02:00
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: fix typos 2022-03-29 21:09:51 +02:00
sctp_constants.h sctp: cleanup the SCTP_MAXSEG socket option. 2021-12-27 23:40:31 +01:00
sctp_crc32.c sctp: fix a signed/unsigned mismatch. 2022-02-17 22:45:57 +01:00
sctp_crc32.h sctp: fix a signed/unsigned mismatch. 2022-02-17 22:45:57 +01:00
sctp_header.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_indata.c sctp: fix typos 2022-03-29 21:09:51 +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: fix typos 2022-03-29 21:09:51 +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 sctp: get rid of stcb send lock 2022-03-29 01:50:17 +02:00
sctp_module.c protocols: init with standard SYSINIT(9) or VNET_SYSINIT 2022-01-03 10:15:21 -08:00
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 sctp: improve robustness 2022-02-18 14:30:07 +01:00
sctp_output.c sctp: don't refer to a potentially outdated stream 2022-04-02 23:26:27 +02:00
sctp_output.h sctp: cleanup the SCTP_MAXSEG socket option. 2021-12-27 23:40:31 +01:00
sctp_pcb.c sctp: use variable names in a consistent way 2022-04-07 17:51:31 +02:00
sctp_pcb.h sctp: remove a mutex not used anymore 2022-04-07 17:54:57 +02:00
sctp_peeloff.c sctp: Remove an unused sctp_inpcb field 2021-09-07 11:19:29 -04:00
sctp_peeloff.h
sctp_ss_functions.c sctp: fix typos 2022-03-29 21:09:51 +02:00
sctp_structs.h sctp: Cleanup stream schedulers. 2021-09-23 14:16:56 +02:00
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 sctp: fix typos 2022-03-29 21:09:51 +02:00
sctp_sysctl.h sctp: fix typos 2022-03-29 21:09:51 +02:00
sctp_timer.c sctp: fix typos 2022-03-29 21:09:51 +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 sctp: get rid of stcb send lock 2022-03-29 01:50:17 +02:00
sctp_usrreq.c sctp: fix typos 2022-03-29 21:09:51 +02:00
sctp_var.h protocols: init with standard SYSINIT(9) or VNET_SYSINIT 2022-01-03 10:15:21 -08:00
sctputil.c udp: allow udp_tun_func_t() to indicate it did not eat the packet 2022-04-12 10:04:59 +02:00
sctputil.h sctp: retire sctp_mtu_size_reset() 2021-12-30 15:30:11 +01:00
siftr.c siftr: expose t_flags2 in siftr output 2022-04-07 10:17:09 +01:00
tcp.h tcp: LRO code to deal with all 12 TCP header flags 2022-02-01 18:41:36 +01:00
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 tcp: Access all 12 TCP header flags via inline function 2022-02-03 16:21:58 +01:00
tcp_debug.h inet: remove tcp_debug from netinet/tcp_debug.h 2021-11-01 23:10:30 +00:00
tcp_ecn.c tcp: Restore correct ECT marking behavior on SACK retransmissions 2022-02-25 20:05:32 +01:00
tcp_ecn.h tcp: Restore correct ECT marking behavior on SACK retransmissions 2022-02-25 20:05:32 +01:00
tcp_fastopen.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_fastopen.h Use stub inline functions for no-op versions of tcp_fastopen*(). 2022-04-08 17:25:13 -07:00
tcp_fsm.h tcp: Remove unused v6 state definitions 2021-08-27 08:31:32 -04:00
tcp_hostcache.c tcp(4): Fix a typo in a sysctl description 2021-11-30 07:17:30 +01:00
tcp_hpts.c tcp_htps: Fix a typo in a source code comment 2022-04-09 09:12:58 +02:00
tcp_hpts.h tcp: remove delayed drop KPI 2021-12-26 08:48:24 -08:00
tcp_input.c tcp: move ECN handling code to a common file 2022-02-05 15:04:42 +01:00
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: remove delayed drop KPI 2021-12-26 08:48:24 -08:00
tcp_lro.c Fix typo (interrups -> interrupts) in a sysctl description in tcp_lro.c. 2022-04-04 13:48:32 -07:00
tcp_lro.h tcp: Avoid conditionally defined fields in union lro_address 2022-02-10 15:39:58 -05:00
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: Restore correct ECT marking behavior on SACK retransmissions 2022-02-25 20:05:32 +01:00
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
tcp_ratelimit.c tcp_ratelimit: Handle some edge cases with TLS + RL send tags. 2022-01-31 16:40:04 -08:00
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: Access all 12 TCP header flags via inline function 2022-02-03 16:21:58 +01:00
tcp_sack.c tcp: Warning cleanup from new compiler. 2022-01-18 07:41:18 -05:00
tcp_seq.h
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 udp: allow udp_tun_func_t() to indicate it did not eat the packet 2022-04-12 10:04:59 +02:00
tcp_syncache.c TCP syncache: enhance KASSERT output 2022-02-14 00:03:20 +00:00
tcp_syncache.h tcp: Add/update AccECN related statistics and numbers 2022-02-10 00:21:31 +01:00
tcp_timer.c netinet: simplify RSS ifdef statements 2022-02-07 19:22:03 -07:00
tcp_timer.h tcp: virtualise net.inet.tcp.msl sysctl. 2021-12-26 14:56:04 +00:00
tcp_timewait.c tcp: Access all 12 TCP header flags via inline function 2022-02-03 16:21:58 +01:00
tcp_usrreq.c tcp: Congestion control move to using reference counting. 2022-02-21 06:30:17 -05:00
tcp_var.h tcp: Congestion control move to using reference counting. 2022-02-21 06:30:17 -05:00
tcpip.h
toecore.c tcp: TCP output method can request tcp_drop 2021-12-26 08:48:19 -08:00
toecore.h Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
udp.h headers: make a few more headers self-contained 2022-01-03 10:12:30 +01:00
udp_usrreq.c udp: allow udp_tun_func_t() to indicate it did not eat the packet 2022-04-12 10:04:59 +02:00
udp_var.h udp: allow udp_tun_func_t() to indicate it did not eat the packet 2022-04-12 10:04:59 +02:00
udplite.h White space cleanup -- remove trailing tab's or spaces 2020-02-12 13:31:36 +00:00