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freebsd-skq/sys/netinet
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Jonathan T. Looney 24b9bb5614 The TCPPCAP debugging feature caches recently-used mbufs for use in 
debugging TCP connections. This commit provides a mechanism to free those
mbufs when the system is under memory pressure.

Because this will result in lost debugging information, the behavior is
controllable by a sysctl. The default setting is to free the mbufs.

Reviewed by:	gnn
Approved by:	re (gjb)
Differential Revision:	https://reviews.freebsd.org/D6931
Input from:	novice_techie.com
2016-07-06 16:17:13 +00:00
..
cc Add an option to use rfc6675 based pipe/inflight bytes calculation in htcp. 2016-05-09 19:19:03 +00:00
khelp
libalias sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
tcp_stacks Cleanup unneded include "opt_ipfw.h". 2016-06-09 05:48:34 +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
if_atm.c
if_atm.h
if_ether.c Introduce a per-VNET flag to enable/disable netisr prcessing on that VNET. 2016-06-03 13:57:10 +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 Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +00:00
igmp.h
in_cksum.c
in_debug.c
in_fib.c
in_fib.h
in_gif.c
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 This change re-adds L2 caching for TCP and UDP, as originally added in D4306 2016-06-02 17:51:29 +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_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
in_var.h Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +00:00
in.c Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +00:00
in.h
ip6.h
ip_carp.c
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 Cleanup unneded include "opt_ipfw.h". 2016-06-09 05:48:34 +00:00
ip_fw.h Make named objects set-aware. Now it is possible to create named 2016-05-17 07:47:23 +00:00
ip_gre.c
ip_icmp.c When sending in ICMP response to an SCTP packet, 2016-05-25 22:16:11 +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 Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +00:00
ip_ipsec.c
ip_ipsec.h
ip_mroute.c Get closer to a VIMAGE network stack teardown from top to bottom rather 2016-06-21 13:48:49 +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 Cleanup unneded include "opt_ipfw.h". 2016-06-09 05:48:34 +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 The pr_destroy field does not allow us to run the teardown code in a 2016-06-01 10:14:04 +00:00
sctp_asconf.c Add the UDP encaps port as a parameter to sctp_add_remote_addr(). 2016-04-30 14:25:00 +00:00
sctp_asconf.h
sctp_auth.c
sctp_auth.h
sctp_bsd_addr.c netinet/sctp*: minor spelling fixes in comments. 2016-05-02 20:56:11 +00:00
sctp_bsd_addr.h
sctp_cc_functions.c netinet/sctp*: minor spelling fixes in comments. 2016-05-02 20:56:11 +00:00
sctp_constants.h netinet/sctp*: minor spelling fixes in comments. 2016-05-02 20:56:11 +00:00
sctp_crc32.c
sctp_crc32.h
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 Don't use anonymous unions. 2016-04-18 06:38:53 +00:00
sctp_indata.c Fix a locking bug which only shows up on Mac OS X. 2016-05-14 13:44:49 +00:00
sctp_indata.h A couple of minor changes that I missed that Michael had done, most noted 2016-04-07 09:34:41 +00:00
sctp_input.c Use a separate MID counter for ordered und unordered messages for each 2016-06-08 17:57:42 +00:00
sctp_input.h
sctp_lock_bsd.h netinet/sctp*: minor spelling fixes in comments. 2016-05-02 20:56:11 +00:00
sctp_os_bsd.h A couple of minor changes that I missed that Michael had done, most noted 2016-04-07 09:34:41 +00:00
sctp_os.h
sctp_output.c This patch fixes two bugs related to the setting of the I-Bit 2016-06-30 06:06:35 +00:00
sctp_output.h
sctp_pcb.c net: Use M_HASHTYPE_OPAQUE_HASH if the mbuf flowid has hash properties 2016-06-07 04:51:50 +00:00
sctp_pcb.h netinet/sctp*: minor spelling fixes in comments. 2016-05-02 20:56:11 +00:00
sctp_peeloff.c
sctp_peeloff.h
sctp_ss_functions.c Add const to several constants. Thanks to Nicholas Nethercote for 2016-03-23 13:28:04 +00:00
sctp_structs.h Use a separate MID counter for ordered und unordered messages for each 2016-06-08 17:57:42 +00:00
sctp_syscalls.c netinet: for pointers replace 0 with NULL. 2016-04-15 15:46:41 +00:00
sctp_sysctl.c Retire net.inet.sctp.strict_sacks and net.inet.sctp.strict_data_order 2016-05-12 16:34:59 +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 Cleanup a comment. 2016-05-09 16:35:05 +00:00
sctp_timer.h
sctp_uio.h Make struct sctp_paddrthlds compliant to RFC 7829. 2016-05-26 11:38:26 +00:00
sctp_usrreq.c Don't consider the socket when processing an incoming ICMP/ICMP6 packet, 2016-06-23 09:13:15 +00:00
sctp_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
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 This patch fixes two bugs related to the SCTP message recovery 2016-06-26 16:38:42 +00:00
sctputil.h Remove a function, which is not used anymore. 2016-04-23 09:15:58 +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
tcp_debug.h
tcp_fastopen.c Mfp: r296259 2016-04-09 10:58:08 +00:00
tcp_fastopen.h
tcp_fsm.h
tcp_hostcache.c
tcp_hostcache.h
tcp_input.c Cleanup unneded include "opt_ipfw.h". 2016-06-09 05:48:34 +00:00
tcp_lro.c Use insertion sort instead of bubble sort in TCP LRO. 2016-06-03 08:35:07 +00:00
tcp_lro.h Use optimised complexity safe sorting routine instead of the kernel's 2016-05-26 11:10:31 +00:00
tcp_offload.c
tcp_offload.h
tcp_output.c tcp: Don't prematurely drop receiving-only connections 2016-05-30 03:31:37 +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 sys/net*: minor spelling fixes. 2016-05-03 18:05:43 +00:00
tcp_seq.h
tcp_subr.c The TCPPCAP debugging feature caches recently-used mbufs for use in 2016-07-06 16:17:13 +00:00
tcp_syncache.c tcp/syncache: Add comment for syncache_respond 2016-05-10 04:59:04 +00:00
tcp_syncache.h
tcp_timer.c This small change adopts the excellent suggestion for using named 2016-05-17 09:53:22 +00:00
tcp_timer.h This cleans up the timers code in TCP to start using the new 2016-04-28 13:27:12 +00:00
tcp_timewait.c No longer mark TCP TW zone NO_FREE. 2016-06-23 00:32:58 +00:00
tcp_usrreq.c tcp_usrreq: Free allocated buffer in relock case 2016-04-26 23:02:18 +00:00
tcp_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
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 Cleanup unneded include "opt_ipfw.h". 2016-06-09 05:48:34 +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