freebsd-dev/sys/netinet
Navdeep Parhar 01d74fe1ff Path MTU discovery hooks for offloaded TCP connections.
Notify the TOE driver when when an ICMP type 3 code 4 (Fragmentation
needed and DF set) message is received for an offloaded connection.
This gives the driver an opportunity to lower the path MTU for the
connection and resume transmission, much like what the kernel does for
the connections that it handles.

Reviewed by:	glebius@
Sponsored by:	Chelsio Communications
Differential Revision:	https://reviews.freebsd.org/D29755
2021-04-21 13:00:16 -07:00
..
cc tcp: Rename rfc6675_pipe to sack.revised, and enable by default 2021-04-17 14:59:45 +02:00
khelp
libalias Fix for natd(8) sending wrong sequence number after TCP retransmission, 2021-02-22 17:13:58 +01:00
netdump Use zfree() instead of explicit_bzero() and free(). 2020-06-25 20:17:34 +00:00
tcp_stacks tcp: add support for TCP over UDP 2021-04-18 16:16:42 +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 arp/nd: Cope with late calls to iflladdr_event 2021-02-23 13:54:07 +01:00
if_ether.h
igmp_var.h igmp: convert igmpstat to use PCPU counters 2020-11-08 18:49:23 +00:00
igmp.c igmp: Avoid leaking mbuf when source validation fails 2021-01-08 13:32:04 -05:00
igmp.h
in_cksum.c
in_debug.c
in_fib_algo.c Fix IPv4 fib bsearch4() lookup array construction. 2021-01-17 20:32:26 +00:00
in_fib.c Add modular fib lookup framework. 2020-12-25 11:33:17 +00:00
in_fib.h Refactor fib4/fib6 functions. 2020-11-29 13:41:49 +00:00
in_gif.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
in_jail.c
in_kdtrace.c
in_kdtrace.h
in_mcast.c Always use inp fib in the inp_lookup_mcast_ifp(). 2021-04-10 13:47:49 +00:00
in_pcb.c tcp_input: always request read-locking of PCB for any pure SYN segment. 2021-04-20 10:02:20 -07:00
in_pcb.h tcp_input: always request read-locking of PCB for any pure SYN segment. 2021-04-20 10:02:20 -07:00
in_pcbgroup.c
in_prot.c
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
in_var.h net: remove legacy in_addmulti() 2021-02-25 10:13:52 +01:00
in.c capsicum: Limit socket operations in capability mode 2021-04-07 14:32:56 -04:00
in.h Add IP(V6)_VLAN_PCP to set 802.1 priority per-flow. 2020-10-09 12:06:43 +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
ip_divert.c Add required checks for unmapped mbufs in ipdivert and ipfw 2021-04-21 15:47:05 -04:00
ip_divert.h
ip_dummynet.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_ecn.c
ip_ecn.h
ip_encap.c
ip_encap.h
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
ip_icmp.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
ip_icmp.h
ip_id.c
ip_input.c Flush remaining routes from the routing table during VNET shutdown. 2021-03-10 21:10:14 +00:00
ip_mroute.c Revert "SO_RERROR indicates that receive buffer overflows should be handled as errors." 2021-02-08 22:32:32 +00:00
ip_mroute.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
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 Catch up with 6edfd179c8: mechanically rename IFCAP_NOMAP to IFCAP_MEXTPG. 2021-01-29 11:46:24 -08:00
ip_reass.c
ip_var.h An earlier commit effectively turned out the fast forwading path 2020-11-12 21:58:47 +00:00
ip.h
pim_var.h
pim.h
raw_ip.c Revert "SO_RERROR indicates that receive buffer overflows should be handled as errors." 2021-02-08 22:32:32 +00:00
sctp_asconf.c Improve input validation for parameters in ASCONF and ASCONF-ACK chunks 2020-12-23 18:03:47 +01:00
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 Minor cleanups. 2020-10-07 15:22:48 +00:00
sctp_constants.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
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 a locking issue for old unordered data 2021-01-31 10:46:23 +01:00
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 consistency 2021-01-24 00:07:41 +01:00
sctp_input.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_kdtrace.c
sctp_kdtrace.h
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_bsd.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_os.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_output.c sctp: improve input validation 2021-01-31 23:46:53 +01:00
sctp_output.h Whitespace changes. 2020-09-24 12:26:06 +00:00
sctp_pcb.c Don't pass RFPROC to kproc_create(), it is redundant. 2021-03-12 09:48:10 -08:00
sctp_pcb.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp_peeloff.c Non-functional changes due to upstream cleanup. 2020-06-11 13:34:09 +00:00
sctp_peeloff.h
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: improve computation of an alternate net 2021-02-21 17:13:06 +01:00
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 Improve the handling of cookie life times. 2020-10-16 10:44:48 +00:00
sctp_var.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
sctp.h Improve the handling of cookie life times. 2020-10-16 10:44:48 +00:00
sctputil.c sctp: fix handling of RTO.initial of 1 ms 2021-03-22 16:44:18 +01:00
sctputil.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
siftr.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_debug.c
tcp_debug.h
tcp_fastopen.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_fastopen.h
tcp_fsm.h
tcp_hostcache.c tcp_hostcache: use SMR for lookups, mutex(9) for updates. 2021-04-20 10:02:20 -07:00
tcp_hpts.c net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_hpts.h net: clean up empty lines in .c and .h files 2020-09-01 21:19:14 +00:00
tcp_input.c tcp_input: always request read-locking of PCB for any pure SYN segment. 2021-04-20 10:02:20 -07:00
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 Fix some common typos in comments 2021-03-13 18:26:15 +01:00
tcp_lro.c Add TCP LRO support for VLAN and VxLAN. 2021-04-20 13:36:22 +02:00
tcp_lro.h Add TCP LRO support for VLAN and VxLAN. 2021-04-20 13:36:22 +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: add support for TCP over UDP 2021-04-18 16:16:42 +02:00
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 Fix LINT kernel builds after 1a714ff204 . 2021-02-01 14:24:15 +01:00
tcp_ratelimit.h Fix LINT kernel builds after 1a714ff204 . 2021-02-01 14:24:15 +01:00
tcp_reass.c Prevent premature SACK block transmission during loss recovery 2020-11-08 18:47:05 +00:00
tcp_sack.c tcp: Deal with DSACKs, and adjust rescue hole on success. 2021-04-20 14:54:28 +02:00
tcp_seq.h
tcp_stats.c
tcp_subr.c Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
tcp_syncache.c tcp: add support for TCP over UDP 2021-04-18 16:16:42 +02:00
tcp_syncache.h tcp: add support for TCP over UDP 2021-04-18 16:16:42 +02:00
tcp_timer.c
tcp_timer.h kern: net: remove TCP_LINGERTIME 2021-02-18 22:36:01 -06:00
tcp_timewait.c tcp_input: always request read-locking of PCB for any pure SYN segment. 2021-04-20 10:02:20 -07:00
tcp_usrreq.c tcp: add support for TCP over UDP 2021-04-18 16:16:42 +02:00
tcp_var.h Add TCP LRO support for VLAN and VxLAN. 2021-04-20 13:36:22 +02:00
tcp.h tcp: add support for TCP over UDP 2021-04-18 16:16:42 +02:00
tcpip.h
toecore.c Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
toecore.h Path MTU discovery hooks for offloaded TCP connections. 2021-04-21 13:00:16 -07:00
udp_usrreq.c [udp] fix possible mbuf and lock leak in udp_input(). 2021-02-11 12:08:41 +03:00
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
udp.h
udplite.h