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Use a common struct route for both inet and inet6. Unfortunately
struct sockaddr is shorter than sockaddr_in6, so netinet/in.h has
to be exposed from net/route.h. Struct route has to be bsd visible
for userland as netstat kvm code inspects inp_route. Internet PCB
and TCP SYN cache can use a plain struct route now. All specific
sockaddr types for inet and inet6 are embeded there.
OK claudio@
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The route_cache() function can easily return whether it was a cache
hit or miss. Then the logic to perform a route lookup gets a bit
simpler. Some more complicated if (ro->ro_rt == NULL) checks still
exist elsewhere.
Also use route cache in in_pcbselsrc() instead of filling struct
route manually.
OK claudio@
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This prevents gcc3's 'parameter has incomplete type' warning that
causes kernel build failure.
Suggested by claudio@, ok bluhm@
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For implementing MP safe route lookup, it helps to know which
function parameters are constant. Add some const declarations, so
that the compiler guarantees that sockaddr dst parameter of
rtable_match() does not change.
OK dlg@
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introduce in_hdr_cksum_out(). It is used like in_proto_cksum_out().
OK claudio@
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meant as a fallback if network hardware does not support TSO. Driver
support is still work in progress. TCP output generates large
packets. In IP output the packet is chopped to TCP maximum segment
size. This reduces the CPU cycles used by pf. The regular output
could be assisted by hardware later, but pf route-to and IPsec needs
the software fallback in general.
For performance comparison or to workaround possible bugs, sysctl
net.inet.tcp.tso=0 disables the feature. netstat -s -p tcp shows
TSO counter with chopped and generated packets.
based on work from jan@
tested by jmc@ jan@ Hrvoje Popovski
OK jan@ claudio@
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feedback and ok jmc@ miod, ok millert@
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this will allow these checks to be reused by bridge (where they're
currently duplicated), veb, and tpmr.
ok bluhm@ sashan@
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struct ip_mreqn allows to use the interface index to select the
interface for multicast packets which makes it possible to use
this with unnumbered interfaces.
OK dlg@ robert@
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noone seems to use it, and we should not encourage people to use
it by having it available. it's been disabled for most of the last
release and noones asked for it in 6.6, so i'm taking that as an
ok for this removal.
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please don't interpret this as an intention on my part to implement
UDP-Lite.
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Fix the SIOCAIFADDR and SIOCDIFADDR ioctl(2) by implementing
in_sa2sin() to validate inet address family and address length.
OK visa@
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of packets are being dropped but non of the other counters are increasing.
From Daniel Hokka Zakrisson (daniel AT hozac DOT com), thanks!
OK florian, phessler
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what FreeBSD does. Remove old #if 0 version of inet6ctlerrmap.
OK mpi@
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callbacks to be able to count dropped packet.
Having more generic statistics will help troubleshooting problems
with specific tunnels. Per-TDB counters are coming once all the
refactoring bits are in.
ok markus@
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OK tb@ visa@
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This needs to go back to the drawing board.
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as loopback interfaces for each rdomain (including lo0). This is done when
the interface is brought up. This is now also done by default (either on
attach of lo0 or when creating the rdomain).
OK mpi@
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pr_input handlers without KERNEL_LOCK().
ok visa@
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ok bluhm@, visa@
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It used a loop over the global list divbtable that would be hard
to make MP safe. The port net/dnsfilter does not work without this,
it should be converted to divert-to. Neither other ports nor base
use this filter feature.
ports checked by sthen@; OK mpi@ benno@
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in common checks for unix, inet, inet6 instead of partial checks
here and there. Some checks are already done at a higher layer,
but better be paranoid with user input.
OK claudio@ millert@
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This will help transitionning to an un-KERNEL_LOCK()ed IP
forwarding path.
Disucssed with bluhm@, ok claudio@
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inline function instead of casting it to sockaddr. While there,
use inline instead of __inline for all these conversions. Some
struct sockaddr casts can be avoided completely.
OK dhill@ mpi@
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<netinet/in.h> and <arpa/inet.h>
ok and ports test naddy@ (thanks!)
ok krw@ beck@ millert@
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ok mpi@
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sockaddrs. Works for all sockaddrs so can be used to print sockaddrs nicely.
OK phessler@
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IP_SENDSRCADDR == IP_RECVDSTADDR.
OK sthen@ jca@ bluhm@
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entries) and net.inet.ip.arpdown (expire timer for unresolved entries)
ok mpi@
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The umb(4) driver provides support for USB MBIM devices.
Those devices establish connections via celluar networks such as
GPRS, UMTS, and LTE.
ok mpi@ sthen@
additional feedback from deraadt@ jmc@ stsp@ kettenis@
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this can be used as an alternative to sysctl net.inet.ip.ttl, in
programs that use pledge().
ok reyk@, "Like this" deraadt@
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This code is largely unfinished and is not used for anything. The change
leaves identities as only objects referenced by ipsec_ref structure and
their handling requires some changes to support more advanced matching of
IPsec connections.
No objections from reyk and hshoexer, with and OK markus.
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with niqueues.
this change is so big because there's a lot of code that takes
pointers to different input queues (eg, ether_input picks between
ipv4, ipv6, pppoe, arp, and mpls input queues) and falls through
to code to enqueue packets against the pointer. if i changed only
one of the input queues id have to add sepearate code paths, one
for ifqueues and one for niqueues in each of these places
by flipping all these input queues at once i can keep the currently
common code common.
testing by mpi@ sthen@ and rafael zalamena
ok mpi@ sthen@ claudio@ henning@
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virtual interface table (vif). Will be used by netstat soon.
Looked over by guenther@
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ok mikeb@, krw@, bluhm@, tedu@
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of your system, put it on a diet and kill the superfluous logic.
ok mikeb@
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* you can #include <sys/endian.h> instead of <machine/endian.h>,
and ditto <endian.h> (fixes code that pulls in <sys/endian.h> first)
* those will always export the symbols that POSIX specified for
<endian.h>, including the new {be,le}{16,32,64}toh() set. c.f.
http://austingroupbugs.net/view.php?id=162
if __BSD_VISIBLE then you also get the symbols that our <machine/endian.h>
currently exports (ntohs, NTOHS, dlg's bemtoh*, etc)
* when doing POSIX compiles (not __BSD_VISIBLE), then <netinet/in.h> and
<arpa/inet.h> will *stop* exporting the extra symbols like BYTE_ORDER
and betoh*
ok deraadt@
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This function is used only once in our tree to optimize the size of the
MSS if the forward address correspond to a host on one of our subnets,
but only if ip.mutdisc is disable, which is not the default!
While here get rid of the "#ifdef RTV_MTU", it is here.
ok henning@, mikeb@, bluhm@
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enough.
remove a define in an #ifdef notdef /* obsolete */ - 14 years are enough
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nothing except in_proto_cksum_out() uses it any more, and that's a good
thing. was on tech for 3 months, discussed with many
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don't we all love functions implemented in header files? was under #ifdef
_KERNEL at least.
incremental checksum updates don't really make sense any more, this is
incredibly hard to get right, and doesn't fit the way our kernel deals
with the checksums these days. consequently, nothing uses in_cksum_addword
any more.
was on tech for 3 months, tested by & discussed with many.
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into consistent locations; ok henning@
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network to presentation format to inet_ntop().
The few remaining functions will be soon converted.
ok mikeb@, deraadt@ and moral support from henning@
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global variables to in.h.
ok mikeb@, deraadt@
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