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* Change users of IFQ_SET_MAXLEN() and IFQ_IS_EMPTY() to use the "new" API.patrick2020-07-101-2/+2
| | | | ok dlg@ tobhe@
* Use LIST_FOREACH construct instead of homebrew loop.kevlo2018-07-031-3/+2
| | | | ok bluhm@, mpi@
* move counting if_opackets next to counting if_obytes in if_enqueue.dlg2017-01-221-3/+1
| | | | | | | this means packets are consistently counted in one place, unlike the many and various ways that drivers thought they should do it. ok mpi@ deraadt@
* G/C IFQ_SET_READY().mpi2016-04-131-2/+1
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* replace IFF_OACTIVE manipulation with mpsafe operations.dlg2015-11-251-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | there are two things shared between the network stack and drivers in the send path: the send queue and the IFF_OACTIVE flag. the send queue is now protected by a mutex. this diff makes the oactive functionality mpsafe too. IFF_OACTIVE is part of if_flags. there are two problems with that. firstly, if_flags is a short and we dont have any MI atomic operations to manipulate a short. secondly, while we could make the IFF_OACTIVE operates mpsafe, all changes to other flags would have to be made safe at the same time, otherwise a read-modify-write cycle on their updates could clobber the oactive change. instead, this moves the oactive mark into struct ifqueue and provides an API for changing it. there's ifq_set_oactive, ifq_clr_oactive, and ifq_is_oactive. these are modelled on ifsq_set_oactive, ifsq_clr_oactive, and ifsq_is_oactive in dragonflybsd. this diff includes changes to all the drivers manipulating IFF_OACTIVE to now use the ifsq_{set,clr_is}_oactive API too. ok kettenis@ mpi@ jmatthew@ deraadt@
* shuffle struct ifqueue so in flight mbufs are protected by a mutex.dlg2015-11-201-5/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | the code is refactored so the IFQ macros call newly implemented ifq functions. the ifq code is split so each discipline (priq and hfsc in our case) is an opaque set of operations that the common ifq code can call. the common code does the locking, accounting (ifq_len manipulation), and freeing of the mbuf if the disciplines enqueue function rejects it. theyre kind of like bufqs in the block layer with their fifo and nscan disciplines. the new api also supports atomic switching of disciplines at runtime. the hfsc setup in pf_ioctl.c has been tweaked to build a complete hfsc_if structure which it attaches to the send queue in a single operation, rather than attaching to the interface up front and building up a list of queues. the send queue is now mutexed, which raises the expectation that packets can be enqueued or purged on one cpu while another cpu is dequeueing them in a driver for transmission. a lot of drivers use IFQ_POLL to peek at an mbuf and attempt to fit it on the ring before committing to it with a later IFQ_DEQUEUE operation. if the mbuf gets freed in between the POLL and DEQUEUE operations, fireworks will ensue. to avoid this, the ifq api introduces ifq_deq_begin, ifq_deq_rollback, and ifq_deq_commit. ifq_deq_begin allows a driver to take the ifq mutex and get a reference to the mbuf they wish to try and tx. if there's space, they can ifq_deq_commit it to remove the mbuf and release the mutex. if there's no space, ifq_deq_rollback simply releases the mutex. this api was developed to make updating the drivers using IFQ_POLL easy, instead of having to do significant semantic changes to avoid POLL that we cannot test on all the hardware. the common code has been tested pretty hard, and all the driver modifications are straightforward except for de(4). if that breaks it can be dealt with later. ok mpi@ jmatthew@
* arp_ifinit() is no longer needed.mpi2015-10-251-12/+2
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* Make room for media types of the future. Extend the ifmedia word to 64 bits.stsp2015-09-111-2/+2
| | | | | | | | | | | | | | | | This changes numbers of the SIOCSIFMEDIA and SIOCGIFMEDIA ioctls and grows struct ifmediareq. Old ifconfig and dhclient binaries can still assign addresses, however the 'media' subcommand stops working. Recompiling ifconfig and dhclient with new headers before a reboot should not be necessary unless in very special circumstances where non-default media settings must be used to get link and console access is not available. There may be some MD fallout but that will be cleared up later. ok deraadt miod with help and suggestions from several sharks attending l2k15
* Increment if_ipackets in if_input().mpi2015-06-241-2/+1
| | | | | | | Note that pseudo-drivers not using if_input() are not affected by this conversion. ok mikeb@, kettenis@, claudio@, dlg@
* Convert to if_input().mpi2015-05-191-18/+6
| | | | ok dlg@
* Remove some includes include-what-you-use claims don'tjsg2015-03-141-2/+1
| | | | | | | have any direct symbols used. Tested for indirect use by compiling amd64/i386/sparc64 kernels. ok tedu@ deraadt@
* unifdef INETtedu2014-12-221-5/+1
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* Fewer <netinet/in_systm.h>mpi2014-07-221-3/+1
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* Instead of comparing the lower and higher addresses of all the multicastmpi2013-11-261-4/+4
| | | | | | | | | | | entries to decide if the IFF_ALLMULTI flag should be set, check if there is at least one real range between them. This should not change the behavior of any driver but if you encounter any problem, feel free to revert the offending chunk and ping me about it. ok naddy@, dlg@
* Most network drivers include netinet/in_var.h, but apparently theybluhm2013-08-071-2/+1
| | | | | don't have to. Just remove these include lines. Compiled on amd64 i386 sparc64; OK henning@ mikeb@
* More cases of shutdown hooks not needed after card is already stopped. Inderaadt2009-08-101-22/+1
| | | | | | these cases the xxstop function is a bit more complicated and has a flag of some sort, but the use of that flag does not matter; DMA is already ceased ok dlg
* Eliminate the redundant bits of code for MTU and multicast handlingbrad2008-11-281-28/+10
| | | | | | | | | | | | | | from the individual drivers now that ether_ioctl() handles this. Shrinks the i386 kernels by.. RAMDISK - 2176 bytes RAMDISKB - 1504 bytes RAMDISKC - 736 bytes Tested by naddy@/okan@/sthen@/brad@/todd@/jmc@ and lots of users. Build tested on almost all archs by todd@/brad@ ok naddy@
* First step towards cleaning up the Ethernet driver ioctl handling.brad2008-10-021-8/+4
| | | | | | | | | | | | | | | | | | | | Move calling ether_ioctl() from the top of the ioctl function, which at the moment does absolutely nothing, to the default switch case. Thus allowing drivers to define their own ioctl handlers and then falling back on ether_ioctl(). The only functional change this results in at the moment is having all Ethernet drivers returning the proper errno of ENOTTY instead of EINVAL/ENXIO when encountering unknown ioctl's. Shrinks the i386 kernels by.. RAMDISK - 1024 bytes RAMDISKB - 1120 bytes RAMDISKC - 832 bytes Tested by martin@/jsing@/todd@/brad@ Build tested on almost all archs by todd@/brad@ ok jsing@
* Convert timeout_add() calls using multiples of hz to timeout_add_sec()blambert2008-09-101-3/+3
| | | | | | | Really just the low-hanging fruit of (hopefully) forthcoming timeout conversions. ok art@, krw@
* First pass at removing clauses 3 and 4 from NetBSD licenses.ray2008-06-261-8/+1
| | | | | | | | | Not sure what's more surprising: how long it took for NetBSD to catch up to the rest of the BSDs (including UCB), or the amount of code that NetBSD has claimed for itself without attributing to the actual authors. OK deraadt@
* Remove commented out NetBSD __KERNEL_RCSID macro usage.brad2008-05-131-6/+1
| | | | ok dlg@
* allow bpf(4) to ignore packets based on their direction (inbound ordjm2006-03-251-3/+3
| | | | | outbound), using a new BIOCSDIRFILT ioctl; guidance, feedback and ok canacar@
* If i is unsigned then i can wrap in 'for(...; i >= 0; i--)'. Spottedkrw2005-12-151-7/+7
| | | | | | | | | | by lint. While there fix incorrect uses of sizeof(mydevname) instead of sizeof(devname). And actually print the constructed devname, using the format suggested by brad@. ok brad@
* Fix error printf()s.krw2005-12-151-19/+16
| | | | ok brad@
* clear IFF_RUNNING & IFF_OACTIVE in foo_stop() before de-allocating resources.brad2005-07-021-7/+7
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* do not whine if we cannot get mbufs.brad2005-06-281-11/+3
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* ANSI protosbrad2005-05-101-54/+22
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* - remove commented out headerbrad2005-05-101-67/+65
| | | | - spaces vs tabs
* Add epic(4) driver which supersedes tx(4).brad2005-05-101-0/+1608
This buys us.. - bus_dma - big endian support - multicast - support for another EPIC chipset From NetBSD ok mickey@
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