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from Tobias Ulmer (tobiasu at tmux.org); ok jmc@, krw@
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a socket that has an inp but tp is NULL. The call stack for that
is tcp_input() tcp_close() soisdisconnected() sorwakeup() somove()
tcp_usrreq(PRU_RCVD). To avoid a NULL dereference, just return in
that case.
ok henning@
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behaves as if SO_KEEPALIVE was set on all TCP sockets, forcing keepalives
to be sent every net.inet.tcp.keepidle half-seconds.
In conjunction with a keepidle value greatly reduced from the default,
this can be useful for keeping sessions open if you are stuck on a network
with short NAT or firewall timeouts.
Feedback from various people, ok henning@ claudio@
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This fixes the problem of binding sockets to broadcast IPs in other
rdomains.
OK henning@
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This fixes the NFS problems reported on the mailing list
and ensures that accepted sockets have correct socketbuffer
setting. OK blambert@, henning@
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of the variable nmax from int to u_long as the socket buffer sizes
it operates on are also u_long.
ok claudio@
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Reminded by naddy@
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Send buffer is scaled by not accounting unacknowledged on the wire
data against the buffer limit. Receive buffer scaling is done similar
to FreeBSD -- measure the delay * bandwith product and base the
buffer on that. The problem is that our RTT measurment is coarse
so it overshoots on low delay links. This does not matter that much
since the recvbuffer is almost always empty.
Add a back pressure mechanism to control the amount of memory
assigned to socketbuffers that kicks in when 80% of the cluster
pool is used.
Increases the download speed from 300kB/s to 4.4MB/s on ftp.eu.openbsd.org.
Based on work by markus@ and djm@.
OK dlg@, henning@, put it in deraadt@
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connect() calls. Our network stack does not allow any v4 mapped addresses
so there is no need to allow them in connect(). Found after discussion with
Henning. OK deraadt@
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sysctl.h was reliant on this particular include, and many drivers included
sysctl.h unnecessarily. remove sysctl.h or add proc.h as needed.
ok deraadt
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alternate routing table and separate them from other interfaces in distinct
routing tables. The same network can now be used in any doamin at the same
time without causing conflicts.
This diff is mostly mechanical and adds the necessary rdomain checks accross
net and netinet. L2 and IPv4 are mostly covered still missing pf and IPv6.
input and tested by jsg@, phessler@ and reyk@. "put it in" deraadt@
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take a proc argument, theres no need for these, since
they are just wrappers.
OK claudio@
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get hung in nfs_reconnect() because they do not have the proper
privilages to bind to a socket, by adding a struct proc * argument
to sobind() (and the *_usrreq() routines, and finally in{6}_pcbbind)
and do the sobind() with proc0 in nfs_connect.
OK markus@, blambert@.
"go ahead" deraadt@.
Fixes an issue reported by bernd@ (Tested by bernd@).
Fixes PR5135 too.
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makes transparent proxies much easier; ok beck@, feedback claudio@
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change netstat to use them instead of accessing kvm for it. more
protocols will be added later.
discussed with deraadt@ claudio@ gilles@
ok deraadt@
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ok millert
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connect() which has completed and failed.. if connect() is called
again.. return the so_error instead of EINVAL; from Alexey Vatchenko
matches what other systems do now
ok millert henning
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MGET* macros were changed to function calls, there wasn't any
need for the pool declarations and the inclusion of pool.h
From: tbert <bret.lambert@gmail.com>
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code and replace both with a RFC1948 based method, so TCP clients
now have monotonic ISN/timestamps. The server side uses completely
random ISN/timestamps and does time-wait recycling (on port reuse).
ok djm@, mcbride@; thanks to lots of testers
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- limit pool to tcp_sackhole_limit entries (sysctl-able)
- stop sack option processing on pool_get errors
- use SEQ_MIN/SEQ_MAX
ok henning, hshoexer, deraadt
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No functional change due to earlier check,
fix from Maxim Konovalov <maxim@macomnet.ru>
ok deraadt@ dhartmei@
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ok markus@ frantzen@
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ok markus@
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requested by theo
ok markus@ hshoexer@
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so you can check wether a just accept()ed connection is md5sig'd
ok deraadt@ markus@
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http://www.kohala.com/start/borman.97jun06.txt; ok deraadt@, henning@
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use the the presence of this tag to reverse the match order in
in{6}_pcblookup_listen(). Some daemons (such as portmap) do a double
bind, binding to both * and localhost in order to differentiate local
from non-local connections, and potentially granting more privilege to
local ones. This change ensures that redirected connections to localhost
do not appear local to such a daemon.
Bulk of changes from dhartmei@, some changes markus@
ok dhartmei@ deraadt@
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with either in(6)_pcbhashlookup() or in(6)_pcblookup_listen();
in_pcblookup is now only used by bind(2); speeds up pcb lookup for
listening sockets; from Claudio Jeker
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>use m_pulldown not m_pullup2. fix some bugs in IPv6 tcp_trace().
PR 3283 fixed (confirmed)
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rescinded 22 July 1999. Proofed by myself and Theo.
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Make insertion of data into socket buffers O(C):
* Keep pointers to the first and last mbufs of the last record in the
socket buffer.
* Use the sb_lastrecord pointer in the sbappend*() family of functions
to avoid traversing the packet chain to find the last record.
* Add a new sbappend_stream() function for stream protocols which
guarantee that there will never be more than one record in the
socket buffer. This function uses the sb_mbtail pointer to perform
the data insertion. Make TCP use sbappend_stream(). On a profiling
run, this makes sbappend of a TCP transmission using
a 1M socket buffer go from 50% of the time to .02% of the time. Thanks
to Bill Sommerfeld and YAMAMOTO Takashi for their debugging
assistance!
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