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339efd75a4
freebsd/sys/netinet
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Maxim Sobolev 339efd75a4 Add a new socket option SO_TS_CLOCK to pick from several different clock 
sources to return timestamps when SO_TIMESTAMP is enabled. Two additional
clock sources are:

o nanosecond resolution realtime clock (equivalent of CLOCK_REALTIME);
o nanosecond resolution monotonic clock (equivalent of CLOCK_MONOTONIC).

In addition to this, this option provides unified interface to get bintime
(equivalent of using SO_BINTIME), except it also supported with IPv6 where
SO_BINTIME has never been supported. The long term plan is to depreciate
SO_BINTIME and move everything to using SO_TS_CLOCK.

Idea for this enhancement has been briefly discussed on the Net session
during dev summit in Ottawa last June and the general input was positive.

This change is believed to benefit network benchmarks/profiling as well
as other scenarios where precise time of arrival measurement is necessary.

There are two regression test cases as part of this commit: one extends unix
domain test code (unix_cmsg) to test new SCM_XXX types and another one
implementis totally new test case which exchanges UDP packets between two
processes using both conventional methods (i.e. calling clock_gettime(2)
before recv(2) and after send(2)), as well as using setsockopt()+recv() in
receive path. The resulting delays are checked for sanity for all supported
clock types.

Reviewed by:    adrian, gnn
Differential Revision:  https://reviews.freebsd.org/D9171
2017-01-16 17:46:38 +00:00
..
cc Fix a variety of cosmetic typos and misspellings 2017-01-15 18:00:45 +00:00
khelp Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
libalias sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
tcp_stacks Followup to mtod removal in main stack (r311225). Continued removal 2017-01-04 04:00:28 +00:00
accf_data.c
accf_dns.c
accf_http.c
icmp6.h Add missing constants from RFCs 4443 and 6550 2016-06-06 00:35:45 +00:00
icmp_var.h Use counter_ratecheck() in the ICMP rate limiting. 2016-12-09 17:59:15 +00:00
if_atm.c
if_atm.h
if_ether.c Add GARP retransmit capability 2016-10-02 01:42:45 +00:00
if_ether.h This change re-adds L2 caching for TCP and UDP, as originally added in D4306 2016-06-02 17:51:29 +00:00
igmp_var.h
igmp.c With clang 3.9.0, compiling sys/netinet/igmp.c results in the following 2016-09-04 17:23:10 +00:00
igmp.h
in_cksum.c
in_debug.c
in_fib.c
in_fib.h
in_gif.c
in_jail.c Move IPv4-specific jail functions to new file netinet/in_jail.c 2016-08-09 02:16:21 +00:00
in_kdtrace.c
in_kdtrace.h
in_mcast.c sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
in_pcb.c - Revert r300854, r303657 which tried to fix regression from r297225. 2016-10-13 20:15:47 +00:00
in_pcb.h Add spares to struct ifnet and socket for packet pacing and/or general 2016-06-23 21:07:15 +00:00
in_pcbgroup.c Unbreak the RSS/PCBGROUp build. 2016-03-31 00:53:23 +00:00
in_prot.c Remove BSD and USL copyright and update license block in in_prot.c, as the 2016-07-28 18:39:30 +00:00
in_proto.c The pr_destroy field does not allow us to run the teardown code in a 2016-06-01 10:14:04 +00:00
in_rmx.c
in_rss.c
in_rss.h
in_systm.h Prepare for network stack as a module 2016-07-27 20:34:09 +00:00
in_var.h Add GARP retransmit capability 2016-10-02 01:42:45 +00:00
in.c Add GARP retransmit capability 2016-10-02 01:42:45 +00:00
in.h Don't iterate over the ifnet addr list in ip_output() 2016-08-18 22:59:00 +00:00
ip6.h
ip_carp.c Unbreak ip_carp with WITHOUT_INET6 enabled by conditionalizing all IPv6 2016-12-30 21:33:01 +00:00
ip_carp.h
ip_divert.c The pr_destroy field does not allow us to run the teardown code in a 2016-06-01 10:14:04 +00:00
ip_divert.h
ip_dummynet.h Import Dummynet AQM version 0.2.1 (CoDel, FQ-CoDel, PIE and FQ-PIE). 2016-05-26 21:40:13 +00:00
ip_ecn.c
ip_ecn.h
ip_encap.c
ip_encap.h
ip_fastfwd.c When we are sending IP fragments, update ip pointers in IP_PROBE() for 2016-12-29 19:57:46 +00:00
ip_fw.h Add stats reset command implementation to NPTv6 module 2016-08-13 16:45:14 +00:00
ip_gre.c
ip_icmp.c Fix build for 32-bit machines. 2016-12-09 20:50:35 +00:00
ip_icmp.h Add support for handling ICMP and ICMP6 messages sent in response 2016-04-29 20:22:01 +00:00
ip_id.c Replace a number of conflations of mp_ncpus and mp_maxid with either 2016-07-06 14:09:49 +00:00
ip_input.c Add a new socket option SO_TS_CLOCK to pick from several different clock 2017-01-16 17:46:38 +00:00
ip_ipsec.c Remove the kernel optoion for IPSEC_FILTERTUNNEL, which was deprecated 2016-08-21 18:55:30 +00:00
ip_ipsec.h
ip_mroute.c Remove the 4.3BSD compatible macro m_copy(), use m_copym() instead. 2016-09-15 07:41:48 +00:00
ip_mroute.h
ip_options.c sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
ip_options.h
ip_output.c When we are sending IP fragments, update ip pointers in IP_PROBE() for 2016-12-29 19:57:46 +00:00
ip_reass.c
ip_var.h The pr_destroy field does not allow us to run the teardown code in a 2016-06-01 10:14:04 +00:00
ip.h sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
pim_var.h
pim.h
raw_ip.c Ensure that the buffer length and the length provided in the IPv4 2017-01-13 10:55:26 +00:00
sctp_asconf.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_asconf.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_auth.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_auth.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_bsd_addr.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_bsd_addr.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_cc_functions.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_constants.h Cleanup the names of SSN, SID, TSN, FSN, PPID and MID. 2016-12-07 19:30:59 +00:00
sctp_crc32.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_crc32.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_dtrace_declare.h
sctp_dtrace_define.h This is work done by Michael Tuexen and myself at the IETF. This 2016-04-07 09:10:34 +00:00
sctp_header.h Cleanup the names of SSN, SID, TSN, FSN, PPID and MID. 2016-12-07 19:30:59 +00:00
sctp_indata.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_indata.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_input.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_input.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_lock_bsd.h netinet/sctp*: minor spelling fixes in comments. 2016-05-02 20:56:11 +00:00
sctp_os_bsd.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_os.h
sctp_output.c Consistent handling of errors reported from the lower layer. 2016-12-27 22:14:41 +00:00
sctp_output.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_pcb.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_pcb.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_peeloff.c
sctp_peeloff.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_ss_functions.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_structs.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_syscalls.c Use getsock_cap() instead of deprecated fgetsock(). 2017-01-13 16:54:44 +00:00
sctp_sysctl.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_sysctl.h Retire net.inet.sctp.strict_sacks and net.inet.sctp.strict_data_order 2016-05-12 16:34:59 +00:00
sctp_timer.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_timer.h
sctp_uio.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_usrreq.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_var.h Cleanup the names of SSN, SID, TSN, FSN, PPID and MID. 2016-12-07 19:30:59 +00:00
sctp.h This is work done by Michael Tuexen and myself at the IETF. This 2016-04-07 09:10:34 +00:00
sctputil.c Whitespace changes. 2016-12-26 11:06:41 +00:00
sctputil.h Whitespace changes. 2016-12-26 11:06:41 +00:00
siftr.c
tcp_debug.c Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
tcp_debug.h
tcp_fastopen.c Fix kernel build with TCP_RFC7413 option 2016-08-11 23:52:24 +00:00
tcp_fastopen.h
tcp_fsm.h Update TCPS_HAVERCVDFIN() macro to correctly include all states a connection 2016-08-26 17:48:54 +00:00
tcp_hostcache.c sysctl net.inet.tcp.hostcache.list in a jail can see connections from other 2017-01-05 17:22:09 +00:00
tcp_hostcache.h Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
tcp_input.c Fix DTrace TCP tracepoints to not use mtod() as it is both unnecessary and 2017-01-04 02:19:13 +00:00
tcp_lro.c Pass the number of segments coalesced by LRO up the stack by repurposing the 2016-08-25 13:33:32 +00:00
tcp_lro.h tcp/lro: Implement hash table for LRO entries. 2016-08-02 06:36:47 +00:00
tcp_offload.c
tcp_offload.h
tcp_output.c Fix DTrace TCP tracepoints to not use mtod() as it is both unnecessary and 2017-01-04 02:19:13 +00:00
tcp_pcap.c The TCPPCAP debugging feature caches recently-used mbufs for use in 2016-07-06 16:17:13 +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_reass.c
tcp_sack.c Remove a KASSERT which is not always true. 2016-12-25 17:37:18 +00:00
tcp_seq.h Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
tcp_subr.c Fix DTrace TCP tracepoints to not use mtod() as it is both unnecessary and 2017-01-04 02:19:13 +00:00
tcp_syncache.c Remove assigned only variable. 2016-12-21 22:47:10 +00:00
tcp_syncache.h
tcp_timer.c The code currently resets the keepalive timer each time a packet is 2016-10-14 14:57:43 +00:00
tcp_timer.h This cleans up the timer code in TCP and also makes it so we do not 2016-08-16 12:40:56 +00:00
tcp_timewait.c Ensure that TCP state changes to state-closing are reported via dtrace. 2016-11-19 14:45:08 +00:00
tcp_usrreq.c Fix a double-free when an inp transitions to INP_TIMEWAIT state 2016-10-18 07:16:49 +00:00
tcp_var.h Fix slight type mismatch between so_options defined in sys/socketvar.h 2017-01-12 10:14:54 +00:00
tcp.h
tcpip.h
toecore.c This change re-adds L2 caching for TCP and UDP, as originally added in D4306 2016-06-02 17:51:29 +00:00
toecore.h
udp_usrreq.c r297225 broke udp_output() for the case where the "addr" argument 2016-10-01 19:39:09 +00:00
udp_var.h The pr_destroy field does not allow us to run the teardown code in a 2016-06-01 10:14:04 +00:00
udp.h
udplite.h