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freebsd-dev/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
accf_dns.c
accf_http.c
dccp.h
icmp6.h
icmp_var.h
if_ether.c net: Fix LLE lock leaks 2022-04-08 11:46:19 -04:00
if_ether.h
igmp_var.h
igmp.c multicast code: Quiet unused warnings for variables used for KTR traces. 2022-04-06 16:45:28 -07:00
igmp.h
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_algo.c
in_fib_dxr.c fib_algo: shift / mask by constants in dxr_lookup() 2022-01-17 00:13:47 +01:00
in_fib.c Fix some common typos in comments 2021-08-08 10:16:06 +02:00
in_fib.h
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
in_mcast.c ifnet_byindex() actually requires network epoch 2021-12-06 09:32:31 -08:00
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_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_prot.c
in_proto.c domains: make domain_init() initialize only global state 2022-01-03 10:15:22 -08:00
in_rmx.c
in_rss.c Revert "wpa: Import wpa_supplicant/hostapd commit 14ab4a816" 2021-12-02 14:45:04 -08:00
in_rss.h
in_systm.h
in_var.h Use network epoch to protect local IPv4 addresses hash. 2021-10-22 14:40:53 -07:00
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
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
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
ip_encap.h
ip_fastfwd.c IPv4: fix redirect sending conditions 2021-12-26 15:33:48 +00:00
ip_fw.h
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
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
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
ip.h tcp: Prevent setting of ECN bits with setsockopt() 2022-02-03 20:06:42 +01:00
pim_var.h
pim.h
raw_ip.c rip: Fix a -Wunused-but-set-variable warning 2022-03-01 09:39:43 -05:00
sctp_asconf.c sctp: ensure that ASCONF chunks are not too large 2022-03-30 01:22:20 +02:00
sctp_asconf.h
sctp_auth.c
sctp_auth.h
sctp_bsd_addr.c sctp: fix typos 2022-03-29 21:09:51 +02:00
sctp_bsd_addr.h
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
sctp_indata.c sctp: fix typos 2022-03-29 21:09:51 +02:00
sctp_indata.h
sctp_input.c sctp: fix typos 2022-03-29 21:09:51 +02:00
sctp_input.h
sctp_kdtrace.c
sctp_kdtrace.h
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_bsd.h sctp: improve robustness 2022-02-18 14:30:07 +01:00
sctp_os.h
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
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
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
sctp.h
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_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
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
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
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
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
tcp.h tcp: LRO code to deal with all 12 TCP header flags 2022-02-01 18:41:36 +01:00
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_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
udp.h headers: make a few more headers self-contained 2022-01-03 10:12:30 +01:00
udplite.h