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path: root/sys/netinet6/in6_src.c
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2016-12-02Rremoves 'struct route_in6 *' argument from in6_selectsrc().Martin Pieuchot
Move the corresponding code in in6_pcbselsrc(). This reduces differences with IPv4 and will help us to get rid of 'struct route*'. ok vgross@
2016-09-02in6_selectroute should never get a valid struct route * filled with somethingVincent Gross
else than AF_INET6. Ok florian@
2016-08-04Commit in6_selectsrc() split again, with missing assignment fixed.Vincent Gross
2016-07-22Revert in_selectsrc() refactoring, it breaks IPv6.Martin Pieuchot
Reported by Heiko on bugs@. ok stsp@, claudio@
2016-07-20Split in6_selectsrc() into a low-level part and a pcb-level part, andVincent Gross
convert in_selectsrc() prototype to match. Ok bluhm@ mpi@.
2016-07-05Expand IN6_IFF_NOTREADY, ok bluhm@Martin Pieuchot
2016-07-05Do not use ``rt_addr'' in in{6,}_selectsrc() it doesn't work with magicMartin Pieuchot
addresses set on p2p interfaces. Found the hardway by naddy@
2016-06-30Use ``rt_addr'' rather than ``rt_ifa'' to get the source addressMartin Pieuchot
corresponding to a route. ok florian@ on a previous version, input and ok bluhm@
2016-06-27Kill outdated comment. Reading the code is enough.Jeremie Courreges-Anglas
ok sthen@ bluhm@
2015-12-05Remove useless "if() else", multicast and unicast v6 route lookups areVincent Gross
actually the same. This has been introduced in r1.7 to prevent RTM_MISS storms, but we don't send this message anymore. ok @mpi
2015-12-02Kill the RT_REPORT flag to rtalloc() and stop sending RTM_MISS messagesClaudio Jeker
for failed route lookups. This is something that was maybe useful in the 90is but in this modern times it is just annoying and nothing expect it anyway. OK mpi@, sthen@
2015-10-25Remove IPV6_NEXTHOP implementation. Source routing is considered to beFlorian Obser
a bad idea these days. kill it mpi@ general agreement in the network hackers room at u2k15
2015-10-25Use the "modern" way to check if a route entry correspond to a localMartin Pieuchot
address. Fix a regression introduced when removing the lo0 hack. ok florian@
2015-10-24Convert to rt_ifidx.Martin Pieuchot
ok bluhm@
2015-10-24Ignore Router Advertisment's current hop limit.Martin Pieuchot
Appart from the usual inet6 axe murdering exercise to keep you fit, this allows us to get rid of a lot of layer violation due to the use of per- ifp variables to store the current hop limit. Imputs from bluhm@, ok phessler@, florian@, bluhm@
2015-10-24Convert some if_ref() to if_get().Martin Pieuchot
ok claudio@
2015-10-22Use rt_ifp instead of rt_ifa->ifa_ifp.Martin Pieuchot
ok bluhm@
2015-10-19Stop checking for RTF_UP directly, call rtisvalid(9) instead.Martin Pieuchot
While here add two missing ``rtableid'' checks in in6_selectsrc(). ok bluhm@
2015-10-13Use rtisivalid(9) to check if the given (cached) route can be used.Martin Pieuchot
Note that after calling rtalloc(9) we only check if a route has been returned or not and do not check for its validity. This cannot be improved without a massive refactoring. The kernel currently *do* use !RTF_UP route due to a mismatch between the value of ifp->if_link_state and the IFF_UP|IFF_RUNNING code. I'd explain the RTF_UP flag as follow: . If a cached route entry w/o RTF_UP is passed to ip{6,}_output(), . call rtalloc(9) to see if a better entry is present in the tree. This is enough to support MPATH and route cache invalidation. ok bluhm@
2015-09-18Do not manually decrement rt's refcounter in nd6_lookup() and let theMartin Pieuchot
callers rtfree(9) it. Inputs and ok bluhm@
2015-09-11if_put after if_get for in6_src and ip6_output which got a lot easier afterClaudio Jeker
all the cleanup by mpi@ since we no longer overwrite ifps, etc. OK dlg@
2015-09-11Rewrite in6_selectroute() to no longer return an ifp.Martin Pieuchot
The returned "struct rtentry" is either the cached one or the one passed in options. ok claudio@
2015-09-11Move the multicast option parsing out of in6_selectroute().Martin Pieuchot
ok claudio@
2015-09-11Kill selectroute().Martin Pieuchot
ok claudio@
2015-09-11in6_embedscope() needs to lose some weight. Remove the last argument.Claudio Jeker
In all but two calls NULL is passed and in the other 2 cases the ifp is only used to maybe feed it to in6_selecthlim() to select the hoplimit for the link. Since in6_embedscope() only works on link-local addresses it does not matter what hop limit we select since the destination is directly reachable. OK florian@ mpi@
2015-09-10It is time to put inet6 on a diet. Use the flensing knife and cut outClaudio Jeker
the 3rd argument of in6_recoverscope() and make it return void. OK dlg@ mikeb@
2015-09-03Revert (again!) the two uses of rtisvalid(9), they break NFS!Martin Pieuchot
Found the hardway by naddy@
2015-09-03Convert ip{,6}_output() (cached) route entry checks to rtisvalid(9).Martin Pieuchot
This introduces a behavior change as we now reject !RTF_UP routes to output packets. This stricter check exposed a bug in the setup of new routes and was the reason for the previous revert. This should be now fixed by r1.229 of sys/net/route.c . ok bluhm@
2015-09-02Revert the two uses of rtisvalid(9) for the moment, it breaks dhclient(8)Martin Pieuchot
configured networks on RAMDISK kernels. The problem is that the default route installed by dhclient(8) does not have the RTF_UP flag in this environement and rtisvalid(9) doesn't allow you to use a RTF_DOWN route.
2015-09-01Convert ip{,6}_output() (cached) route entry checks to rtisvalid(9).Martin Pieuchot
ok bluhm@
2015-06-08More damned eye searing whitespace. No change to .o files.Kenneth R Westerback
2014-12-17Use an interface index instead of a pointer for multicast options.Martin Pieuchot
Output interface (port) selection for multicast traffic is not done via route lookups. Instead the output ifp is registred when setsockopt(2) is called with the IP{V6,}_MULTICAST_IF option. But since there is no mechanism to invalidate such pointer stored in a pcb when an interface is destroyed/removed, it might lead your kernel to fault. Prevent a fault upon resume reported by frantisek holop, thanks! ok mikeb@, claudio@
2014-12-05Explicitly include <net/if_var.h> instead of pulling it in <net/if.h>.Martin Pieuchot
ok mikeb@, krw@, bluhm@, tedu@
2014-11-01Rename rtalloc1() into rtalloc(9) and convert its flags to only enableMartin Pieuchot
functionnality instead of a mix of enable/disable. ok bluhm@, jca@
2014-10-14Use rtfree() instead of RTFREE(), NULLify some free'd route pointers andMartin Pieuchot
kill the macro. ok mikeb@, henning@
2014-09-27Kill rtalloc() and update rtalloc1() and rtalloc_mpath() to no longerMartin Pieuchot
rely on "struct route" that should die. ok claudio@
2014-07-22Fewer <netinet/in_systm.h> !Martin Pieuchot
2014-06-03Do not include <sys/malloc.h> where it is not needed.Martin Pieuchot
2014-04-21we'll do fine without casting NULL to struct foo * / void *Henning Brauer
ok gcc & md5 (alas, no binary change)
2014-04-18Invert the signature logic of in{,6}_selectsrc, make them return theJeremie Courreges-Anglas
error code and pass the resulting source address back to the caller through a pointer, as suggested by chrisz. This gives us more readable code, and eases the deletion of useless checks in the callers' error path. Add a bunch of "0 -> NULL" conversions, while here. ok chrisz@ mpi@
2014-04-07Retire kernel support for SO_DONTROUTE, this time without breakingMartin Pieuchot
localhost connections. The plan is to always use the routing table for addresses and routes resolutions, so there is no future for an option that wants to bypass it. This option has never been implemented for IPv6 anyway, so let's just remove the IPv4 bits that you weren't aware of. Tested a least by lteo@, guenther@ and chrisz@, ok mikeb@, benno@
2014-03-28revert "Retire kernel support for SO_DONTROUTE" diff, which does bad thingsStuart Henderson
for localhost connections. discussed with deraadt@
2014-03-27Retire kernel support for SO_DONTROUTE, since the plan is to alwaysMartin Pieuchot
use the routing table there's no future for an option that wants to bypass it. This option has never been implemented for IPv6 anyway, so let's just remove the IPv4 bits that you weren't aware of. Tested by florian@, man pages inputs from jmc@, ok benno@
2014-03-12ANSIfy a declaration, no object change.Martin Pieuchot
2014-01-07Propagate an rdomain number to the nd6_lookup independently fromMike Belopuhov
the ifp pointer which can be NULL. This prevents a crash reported by David Hill <dhill at mindcry ! org>. OK bluhm
2013-11-11Replace most of our formating functions to convert IPv4/6 addresses fromMartin Pieuchot
network to presentation format to inet_ntop(). The few remaining functions will be soon converted. ok mikeb@, deraadt@ and moral support from henning@
2013-10-23Back when some NRL code was merged into KAME to create the *BSD IPV6Theo de Raadt
stack (factoid: by a bunch of people in my living room), some compatibility #define's were created to shim incompatible inpcb access methods. There was an understanding they would eventually be removed. Since they are error prone, and 1999 is a long time ago, now they die. ok mikeb claudio mpi
2013-10-21Sprinkle a lot more IPv6 routing domains support in the kernel.Peter Hessler
Mostly mechanical, setting and passing the rdomain and rtable correctly. Not yet enabled. Lots of help and hints from claudio and bluhm OK claudio@, bluhm@
2013-10-17The header file netinet/in_var.h included netinet6/in6_var.h. ThisAlexander Bluhm
created a bunch of useless dependencies. Remove this implicit inclusion and do an explicit #include <netinet6/in6_var.h> when it is needed. OK mpi@ henning@
2013-05-31Remove a bunch of sockaddr_in6 pointer casts and replace othersAlexander Bluhm
with sin6tosa() or satosin6() inline functions. This allows the compiler to check the types more strictly. OK mpi@
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