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freebsd-nq/sys/netinet
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Hans Petter Selasky 95ed5015ec Add support for generic backpressure indicator for ratelimited 
transmit queues aswell as non-ratelimited ones.

Add the required structure bits in order to support a backpressure
indication with ratelimited connections aswell as non-ratelimited
ones. The backpressure indicator is a value between zero and 65535
inclusivly, indicating if the destination transmit queue is empty or
full respectivly. Applications can use this value as a decision point
for when to stop transmitting data to avoid endless ENOBUFS error
codes upon transmitting an mbuf. This indicator is also useful to
reduce the latency for ratelimited queues.

Reviewed by:		gallatin, kib, gnn
Differential Revision:	https://reviews.freebsd.org/D11518
Sponsored by:		Mellanox Technologies
2017-09-06 13:56:18 +00:00
..
cc cc_cubic: restore braces around if-condition block 2017-07-26 21:23:09 +00:00
khelp Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
libalias ipfw nat and natd support multiple aliasing instances with "nat global" feature 2017-05-10 19:41:52 +00:00
tcp_stacks Avoid TCP log messages which are false positives. 2017-08-23 15:08:51 +00:00
accf_data.c
accf_dns.c
accf_http.c
icmp6.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
icmp_var.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
if_ether.c Fix comment typo. 2017-08-09 10:46:34 +00:00
if_ether.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
igmp_var.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
igmp.c Add some ntohl() love to r315277 2017-03-14 20:57:54 +00:00
igmp.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in_cksum.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
in_debug.c
in_fib.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in_fib.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in_gif.c
in_jail.c Allow explicitly assigned IPv4 loopback address to be used in jails 2017-03-31 00:41:54 +00:00
in_kdtrace.c Use estimated RTT for receive buffer auto resizing instead of timestamps 2017-04-10 08:19:35 +00:00
in_kdtrace.h Use estimated RTT for receive buffer auto resizing instead of timestamps 2017-04-10 08:19:35 +00:00
in_mcast.c Add missing braces around MCAST_EXCLUDE check when KTR support is 2017-05-13 18:41:24 +00:00
in_pcb.c Add support for generic backpressure indicator for ratelimited 2017-09-06 13:56:18 +00:00
in_pcb.h Add support for generic backpressure indicator for ratelimited 2017-09-06 13:56:18 +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 Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in_rmx.c Code duplication but rib_head is special. Not found an easy way to go 2016-02-03 21:56:51 +00:00
in_rss.c
in_rss.h
in_systm.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in_var.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
in.c Remove register keyword from sys/ and ANSIfy prototypes 2017-05-17 00:34:34 +00:00
in.h Correct sysctl names. 2017-08-09 07:24:58 +00:00
ip6.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_carp.c After the in_control() changes in r257692, an existing address is 2017-01-25 19:04:08 +00:00
ip_carp.h After the in_control() changes in r257692, an existing address is 2017-01-25 19:04:08 +00:00
ip_divert.c Set M_BCAST and M_MCAST flags on mbuf sent via divert socket. 2017-05-17 09:04:09 +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 O_EXTERNAL_DATA opcode support. 2017-04-03 02:44:40 +00:00
ip_gre.c
ip_icmp.c Enforce the limit on ICMP messages before doing work to formulate the 2017-05-30 14:32:44 +00:00
ip_icmp.h Renumber copyright clause 4 2017-02-28 23:42:47 +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 Make sysctl identifiers for direct netisr queue unique. 2017-04-11 19:20:20 +00:00
ip_mroute.c Add some ntohl() love to r315277 2017-03-14 20:57:54 +00:00
ip_mroute.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_options.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_options.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_output.c After inpcb route caching was put back in place there is no need for 2017-07-27 13:03:36 +00:00
ip_reass.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip_var.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ip.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
pim_var.h
pim.h
raw_ip.c Reduce in_pcbinfo_init() by two params. No users supply any flags to this 2017-05-15 21:58:36 +00:00
sctp_asconf.c Use memset/memcpy instead of bzero/bcopy. 2017-07-19 14:28:58 +00:00
sctp_asconf.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_auth.c Use memset/memcpy instead of bzero/bcopy. 2017-07-19 14:28:58 +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 Use a longer buffer for messages in ERROR chunks. 2017-06-23 09:27:31 +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 Remove duplicate statement. 2017-07-25 11:05:53 +00:00
sctp_indata.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_input.c Move to open state after plausibility checks. 2017-07-04 18:24:50 +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 Deal with listening socket correctly. 2017-07-20 14:50:13 +00:00
sctp_os.h
sctp_output.c Use memset/memcpy instead of bzero/bcopy. 2017-07-19 14:28:58 +00:00
sctp_output.h Fix the handling of Explicit EOR mode. 2017-07-15 19:54:03 +00:00
sctp_pcb.c Use memset/memcpy instead of bzero/bcopy. 2017-07-19 14:28:58 +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 Fix the explicit EOR mode. If the final messages is not complete, send 2017-07-20 11:09:33 +00:00
sctp_structs.h Whitespace changes. 2016-12-26 11:06:41 +00:00
sctp_syscalls.c Correct sysent flags for dynamically loaded syscalls. 2017-07-14 09:34:44 +00:00
sctp_sysctl.c Listening sockets improvements. 2017-06-08 21:30:34 +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 Don't set the DF-bit on timer based retransmissions. 2017-04-29 09:57:27 +00:00
sctp_timer.h Code cleanup which will silence a warning in PVS / D5245. 2016-02-17 18:04:22 +00:00
sctp_uio.h Whitespace changes. 2016-12-06 10:21:25 +00:00
sctp_usrreq.c Use memset/memcpy instead of bzero/bcopy. 2017-07-19 14:28:58 +00:00
sctp_var.h Use consistently uint32_t for mtu values. 2017-04-26 19:26:40 +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 Use memset/memcpy instead of bzero/bcopy. 2017-07-19 14:28:58 +00:00
sctputil.h Improve compilation on platforms different from FreeBSD. 2017-06-23 08:34:01 +00:00
siftr.c Use SI_SUB_LAST instead of SI_SUB_SMP as the "catch-all" subsystem. 2016-03-11 23:18:06 +00:00
tcp_debug.c Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcp_debug.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcp_fastopen.c Fix VIMAGE-related bugs in TFO. The autokey callout vnet context was 2017-02-03 17:02:57 +00:00
tcp_fastopen.h
tcp_fsm.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcp_hostcache.c Use inet_ntoa_r() instead of inet_ntoa() throughout the kernel 2017-02-16 20:47:41 +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 Avoid TCP log messages which are false positives. 2017-08-23 14:50:08 +00:00
tcp_lro.c Flush the LRO ctrl as soon as lro_mbufs fills up. There is no need to 2017-04-24 22:35:00 +00:00
tcp_lro.h tcp/lro: Implement hash table for LRO entries. 2016-08-02 06:36:47 +00:00
tcp_offload.c Augment struct tcpstat with tcps_states[], which is used for book-keeping 2016-01-27 00:45:46 +00:00
tcp_offload.h
tcp_output.c Don't overpromote values when calculating len in tcp_output(). 2017-07-05 16:10:30 +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 There is no good reason for TCP reassembly zone to be UMA_ZONE_NOFREE. 2017-05-10 23:32:31 +00:00
tcp_sack.c Remove a KASSERT which is not always true. 2016-12-25 17:37:18 +00:00
tcp_seq.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcp_subr.c Listening sockets improvements. 2017-06-08 21:30:34 +00:00
tcp_syncache.c Listening sockets improvements. 2017-06-08 21:30:34 +00:00
tcp_syncache.h Fix the ICMP6 handling for TCP. 2017-06-03 21:53:58 +00:00
tcp_timer.c Fix blackhole detection. 2017-08-28 11:41:18 +00:00
tcp_timer.h Hide struct inpcb, struct tcpcb from the userland. 2017-03-21 06:39:49 +00:00
tcp_timewait.c Listening sockets improvements. 2017-06-08 21:30:34 +00:00
tcp_usrreq.c Ensure inp_vflag is consistently set for TCP endpoints. 2017-08-18 07:27:15 +00:00
tcp_var.h Use counter(9) for PLPMTUD counters. 2017-08-25 19:41:38 +00:00
tcp.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
tcpip.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
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 Reduce in_pcbinfo_init() by two params. No users supply any flags to this 2017-05-15 21:58:36 +00:00
udp_var.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
udp.h Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
udplite.h