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freebsd-skq/sys/netinet
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John Baldwin 052a5418e8 Don't reuse the source mbuf in tcp_respond() if it is not writable. 
Not all mbufs passed up from device drivers are M_WRITABLE().  In
particular, the Chelsio T4/T5 driver uses a feature called "buffer packing"
to receive multiple frames in a single receive buffer.  The mbufs for
these frames all share the same external storage so are treated as
read-only by the rest of the stack when multiple frames are in flight.
Previously tcp_respond() would blindly overwrite read-only mbufs when
INVARIANTS was disabled or panic with an assertion failure if INVARIANTS
was enabled.  Note that the new case is a bit of a mix of the two other
cases in tcp_respond().  The TCP and IP headers must be copied explicitly
into the new mbuf instead of being inherited (similar to the m == NULL
case), but the addresses and ports must be swapped in the reply (similar
to the m != NULL case).

Reviewed by:	glebius
2016-05-26 18:35:37 +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
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libalias
sys/net*: minor spelling fixes.
2016-05-03 18:05:43 +00:00
tcp_stacks
This small change adopts the excellent suggestion for using named
2016-05-17 09:53:22 +00:00
accf_data.c
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accf_dns.c
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accf_http.c
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icmp6.h
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icmp_var.h
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if_atm.c
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if_atm.h
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if_ether.c
netinet: for pointers replace 0 with NULL.
2016-04-15 15:46:41 +00:00
if_ether.h
Implement interface link header precomputation API.
2015-12-31 05:03:27 +00:00
igmp_var.h
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igmp.c
sys/net*: minor spelling fixes.
2016-05-03 18:05:43 +00:00
igmp.h
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in_cksum.c
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in_debug.c
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in_fib.c
MFP r287070,r287073: split radix implementation and route table structure.
2016-01-25 06:33:15 +00:00
in_fib.h
Merge helper fib* functions used for basic lookups.
2015-12-08 10:50:03 +00:00
in_gif.c
Merge helper fib* functions used for basic lookups.
2015-12-08 10:50:03 +00:00
in_kdtrace.c
Fix style issues around existing SDT probes.
2015-12-16 23:39:27 +00:00
in_kdtrace.h
Fix style issues around existing SDT probes.
2015-12-16 23:39:27 +00:00
in_mcast.c
sys/net*: minor spelling fixes.
2016-05-03 18:05:43 +00:00
in_pcb.c
FreeBSD previously provided route caching for TCP (and UDP). Re-add
2016-03-24 07:54:56 +00:00
in_pcb.h
sys/net*: minor spelling fixes.
2016-05-03 18:05:43 +00:00
in_pcbgroup.c
Unbreak the RSS/PCBGROUp build.
2016-03-31 00:53:23 +00:00
in_proto.c
kernel: use our nitems() macro when it is available through param.h.
2016-04-19 23:48:27 +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
Rename rss_soft_m2cpuid() -> rss_soft_m2cpuid_v4() in preparation for
2015-08-29 06:58:30 +00:00
in_rss.h
Rename rss_soft_m2cpuid() -> rss_soft_m2cpuid_v4() in preparation for
2015-08-29 06:58:30 +00:00
in_systm.h
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in_var.h
MFP r287070,r287073: split radix implementation and route table structure.
2016-01-25 06:33:15 +00:00
in.c
in_lltable_alloc and in6 copy: Don't leak LLE in error path
2016-04-26 23:13:48 +00:00
in.h
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ip6.h
…
ip_carp.c
Revert r292275 & r292379
2015-12-17 14:41:30 +00:00
ip_carp.h
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ip_divert.c
ipdivert: Remove unnecessary and incorrectly typed variable.
2016-04-28 02:46:08 +00:00
ip_divert.h
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ip_dummynet.h
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ip_ecn.c
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ip_ecn.h
Remove unneded #include "opt_inet.h".
2015-07-31 09:02:28 +00:00
ip_encap.c
Remove sys/eventhandler.h from net/route.h
2016-01-09 09:34:39 +00:00
ip_encap.h
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ip_fastfwd.c
sys/net*: minor spelling fixes.
2016-05-03 18:05:43 +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
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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
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ip_input.c
Do not overwrite the dchg variable.
2016-04-14 18:57:30 +00:00
ip_ipsec.c
Set the proper direction to check for policies in this one case.
2015-10-29 21:26:32 +00:00
ip_ipsec.h
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ip_mroute.c
netinet: for pointers replace 0 with NULL.
2016-04-15 15:46:41 +00:00
ip_mroute.h
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ip_options.c
sys/net*: minor spelling fixes.
2016-05-03 18:05:43 +00:00
ip_options.h
…
ip_output.c
netinet: for pointers replace 0 with NULL.
2016-04-15 15:46:41 +00:00
ip_reass.c
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ip_var.h
MFp4 @180887:
2016-01-22 18:22:03 +00:00
ip.h
sys/net*: minor spelling fixes.
2016-05-03 18:05:43 +00:00
pim_var.h
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pim.h
…
raw_ip.c
Send an ICMP packet indicating destination unreachable/protocol
2016-05-25 15:54:21 +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
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sctp_auth.c
Use __func__ instead of __FUNCTION__.
2015-10-19 11:17:54 +00:00
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
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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
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sctp_crc32.h
…
sctp_dtrace_declare.h
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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
netinet/sctp*: minor spelling fixes in comments.
2016-05-02 20:56:11 +00:00
sctp_input.h
Add FIB support for SCTP.
2015-06-17 15:20:14 +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
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
netinet/sctp*: minor spelling fixes in comments.
2016-05-02 20:56:11 +00:00
sctp_output.h
Don't allow a remote encapsulation port change during the
2016-01-30 12:58:38 +00:00
sctp_pcb.c
netinet/sctp*: minor spelling fixes in comments.
2016-05-02 20:56:11 +00:00
sctp_pcb.h
netinet/sctp*: minor spelling fixes in comments.
2016-05-02 20:56:11 +00:00
sctp_peeloff.c
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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
Fix a bug introduced by the implementation of I-DATA support.
2016-05-13 09:11:41 +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
Code cleanup which will silence a warning in PVS / D5245.
2016-02-17 18:04:22 +00:00
sctp_uio.h
Make struct sctp_paddrthlds compliant to RFC 7829.
2016-05-26 11:38:26 +00:00
sctp_usrreq.c
Make struct sctp_paddrthlds compliant to RFC 7829.
2016-05-26 11:38:26 +00:00
sctp_var.h
Fix the ICMP6 handling for SCTP.
2016-04-16 21:34:49 +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
Fix a bug introduced by the implementation of I-DATA support.
2016-05-13 09:11:41 +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
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tcp_debug.h
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tcp_fastopen.c
Mfp: r296259
2016-04-09 10:58:08 +00:00
tcp_fastopen.h
Implementation of server-side TCP Fast Open (TFO) [RFC7413].
2015-12-24 19:09:48 +00:00
tcp_fsm.h
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tcp_hostcache.c
Clean up unused bandwidth entry in the TCP hostcache.
2015-12-11 06:22:58 +00:00
tcp_hostcache.h
Clean up unused bandwidth entry in the TCP hostcache.
2015-12-11 06:22:58 +00:00
tcp_input.c
Change net.inet.tcp.ecn.enable sysctl mib from a binary off/on
2016-05-19 22:20:35 +00:00
tcp_lro.c
Use optimised complexity safe sorting routine instead of the kernel's
2016-05-26 11:10:31 +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
Augment struct tcpstat with tcps_states[], which is used for book-keeping
2016-01-27 00:45:46 +00:00
tcp_offload.h
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tcp_output.c
Change net.inet.tcp.ecn.enable sysctl mib from a binary off/on
2016-05-19 22:20:35 +00:00
tcp_pcap.c
Garbage collect unused arguments of m_init().
2016-02-10 18:54:18 +00:00
tcp_pcap.h
There are times when it would be really nice to have a record of the last few
2015-10-14 00:35:37 +00:00
tcp_reass.c
Remove sys/eventhandler.h from net/route.h
2016-01-09 09:34:39 +00:00
tcp_sack.c
sys/net*: minor spelling fixes.
2016-05-03 18:05:43 +00:00
tcp_seq.h
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tcp_subr.c
Don't reuse the source mbuf in tcp_respond() if it is not writable.
2016-05-26 18:35:37 +00:00
tcp_syncache.c
tcp/syncache: Add comment for syncache_respond
2016-05-10 04:59:04 +00:00
tcp_syncache.h
Grab a snap amount of TCP connections in syncache from tcpstat.
2016-01-27 00:48:05 +00:00
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
Redo r294869. The array of counters for TCP states doesn't belong to
2016-03-15 00:15:10 +00:00
tcp_usrreq.c
tcp_usrreq: Free allocated buffer in relock case
2016-04-26 23:02:18 +00:00
tcp_var.h
Tiny refactor of r294869/r296881: use defines to mask the VNET() macro.
2016-05-17 23:14:17 +00:00
tcp.h
Provide new socket option TCP_CCALGOOPT, which stands for TCP congestion
2016-01-22 02:07:48 +00:00
tcpip.h
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toecore.c
These files were getting sys/malloc.h and vm/uma.h with header pollution
2016-02-01 17:41:21 +00:00
toecore.h
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udp_usrreq.c
Complete the UDP tunneling of ICMP msgs to those protocols
2016-04-28 15:53:10 +00:00
udp_var.h
Complete the UDP tunneling of ICMP msgs to those protocols
2016-04-28 15:53:10 +00:00
udp.h
…
udplite.h
…