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* Abstract the head of knote lists. This allows extending the lists,visa2020-04-071-4/+4
| | | | | | for example, with locking assertions. OK mpi@, anton@
* Replace field f_isfd with field f_flags in struct filterops to allowvisa2020-02-201-3/+3
| | | | | | adding more filter properties without cluttering the struct. OK mpi@, anton@
* Simplify filterops routines where klist_invalidate() is used.visa2020-01-281-12/+1
| | | | | | | | klist_invalidate() detaches knotes from the list and rewires them synchronously so that the original filterops routines do not get called after the invalidation. OK anton@, mpi@
* Use C99 designated initializers with struct filterops. In addition,visa2019-12-311-5/+12
| | | | | | make the structs const so that the data are put in .rodata. OK mpi@, deraadt@, anton@, bluhm@
* poll handlers must return a poll(2) revents value, not errno(2) values.reyk2019-12-191-2/+2
| | | | | | | | | Some drivers have returned ENXIO (6) if the device is not available which incorrectly translates into POLLPRI|POLLOUT (2|4) in userland. Change it to POLLERR for now, but it might as well be POLLHUP. OK mpi@
* tsleep(9) -> tsleep_nsec(9)mpi2019-10-161-2/+3
| | | | ok cheloha@, visa@, akoshibe@
* pushing NET_LOCK() further down from if_clone_{create,destroy}()sashan2019-05-121-3/+1
| | | | OK mpi@
* Fix mbuf releated crashes in switch(4). They have been found bybluhm2018-12-281-2/+4
| | | | | | | | | | | | | | syzkaller as pool corruption panic. It is unclear which bug caused what, but it should be better now. - Check M_PKTHDR with assertion before accessing m_pkthdr. - Do not access oh_length without m_pullup(). - After checking if there is space at the end of the mbuf, don't overwrite the data at the beginning. Append the new content. - Do not set m_len and m_pkthdr.len when it is unclear whether the ofp_error header fits at all. Use m_makespace() to adjust the mbuf. Reported-by: syzbot+6efc0a9d5b700b54392e@syzkaller.appspotmail.com test akoshibe@; OK claudio@
* M_LEADINGSPACE() and M_TRAILINGSPACE() are just wrappers forclaudio2018-11-091-3/+3
| | | | | | m_leadingspace() and m_trailingspace(). Convert all callers to call directly the functions and remove the defines. OK krw@, mpi@
* Remove NET_LOCK()'s argument.mpi2017-08-111-3/+3
| | | | Tested by Hrvoje Popovski, ok bluhm@
* Fix declaration: vsw_dev2sc has been renamed to switch_dev2sc.reyk2017-01-161-2/+2
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* Grab the netlock when device is opened; ok mpi, rzalamenamikeb2016-12-221-3/+3
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* Remove most of the splsoftnet() recursions related to cloned interfaces.mpi2016-12-121-3/+6
| | | | inputs and ok bluhm@
* Remove mutexes protection from the switchctl as they don't seem to berzalamena2016-11-111-10/+1
| | | | | | | doing anything for us, and remove some whitespaces from the header that can be found near the removed lines. ok mikeb@
* Add support for partial writes in switchwrite so we can use multiplerzalamena2016-11-101-24/+81
| | | | | | | write() to write one packet. With this we also get support for writing multiple ofp packets with a single write. ok mikeb@
* Simplify the switchread loop and fix the case where only first mbuf inrzalamena2016-11-091-23/+25
| | | | | | | the chain was being read. While here rename mbuf variable and remove unused ones. ok mikeb@
* Teach switch(4) device read(2) operations to behave like a stream socket,rzalamena2016-11-081-7/+37
| | | | | | | | | so the userland programs can use it without having to do any special treatment (e.g. having to read() whole packets with just 1 call or lose it). This also allows userland to read more than one ofp header/payload with one syscall. ok mikeb@
* When auto-creating an interface when opening a /dev/{tun,tap,switch}reyk2016-09-041-2/+5
| | | | | | | device, inherit the rdomain from the calling process. This adds an rdomain argument to if_clone_create(). OK mpi@ henning@
* Do "goto failed" in case returning EAGAIN as well.yasuoka2016-09-041-3/+3
| | | | ok goda
* Fixed missing null check in switchctl.cgoda2016-09-031-8/+25
| | | | ok yasuoka@
* Import switch(4), an in-kernel OpenFlow switch which can work alone.goda2016-09-011-0/+375
switch(4) currently supports OpenFlow 1.3.5. Currently, it's disabled by the kernel config. With help from yasuoka@ reyk@ jsg@. ok deraadt@ yasuoka@ reyk@ henning@
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