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2021-01-07pccard: Remove wi(4) driverWarner Losh
Remove wi(4). pccard is going away, and wi only supports PC Card devices, though it has a minor amount of glue to also support PCI cards. However, removing the one without removing the other is hard, so the whole driver is being removed. Relnotes: Yes
2020-09-01wi: clean up empty lines in .c and .h filesMateusz Guzik
Notes: svn path=/head/; revision=365131
2020-08-31Warn for the non pccard attachmentsWarner Losh
These devices have non-pccard attachments. Warn for those as well. Both an and wi don't do the modern cyrpto needed to use these cards on secure wifi networks. an needs firmware from Cisco, which I don't think was ever produced. wi could in theory do it with raw frames and on-host encryption, but nobody has written that in the 15 years since WEP was cracked. MFC After: 3 days Noticed by: rgrimes Differential Revision: https://reviews.freebsd.org/D26138 Notes: svn path=/head/; revision=365015
2020-08-20Tag pccard drivers with gone in 13.Warner Losh
MFC After: 3 days Reviewed by: emaste, brooks, adrian (on twitter) Differential Revision: https://reviews.freebsd.org/D26095 Notes: svn path=/head/; revision=364430
2020-02-26Mark more nodes as CTLFLAG_MPSAFE or CTLFLAG_NEEDGIANT (17 of many)Pawel Biernacki
r357614 added CTLFLAG_NEEDGIANT to make it easier to find nodes that are still not MPSAFE (or already are but aren’t properly marked). Use it in preparation for a general review of all nodes. This is non-functional change that adds annotations to SYSCTL_NODE and SYSCTL_PROC nodes using one of the soon-to-be-required flags. Mark all obvious cases as MPSAFE. All entries that haven't been marked as MPSAFE before are by default marked as NEEDGIANT Approved by: kib (mentor, blanket) Commented by: kib, gallatin, melifaro Differential Revision: https://reviews.freebsd.org/D23718 Notes: svn path=/head/; revision=358333
2020-01-30Widen EPOCH(9) usage in PCI WLAN drivers.Hans Petter Selasky
Make sure all occurrences of ieee80211_input_xxx() in sys/dev are covered by a network epoch section. Do not depend on the interrupt handler nor any taskqueues being in a network epoch section. This patch should unbreak the PCI WLAN drivers after r357004. Pointy hat: glebius@ Sponsored by: Mellanox Technologies Notes: svn path=/head/; revision=357291
2019-12-04Regularize my copyright noticeWarner Losh
o Remove All Rights Reserved from my notices o imp@FreeBSD.org everywhere o regularize punctiation, eliminate date ranges o Make sure that it's clear that I don't claim All Rights reserved by listing All Rights Reserved on same line as other copyright holders (but not me). Other such holders are also listed last where it's clear. Notes: svn path=/head/; revision=355394
2019-10-21Convert to if_foreach_llmaddr() KPI.Gleb Smirnoff
Notes: svn path=/head/; revision=353860
2019-03-11Fix ieee80211_radiotap(9) usage in wireless drivers:Andriy Voskoboinyk
- Alignment issues: * Add missing __packed attributes + padding across all drivers; in most places there was an assumption that padding will be always minimally suitable; in few places - e.g., in urtw(4) / rtwn(4) - padding was just missing. * Add __aligned(8) attribute for all Rx radiotap headers since they can contain 64-bit TSF timestamp; it cannot appear in Tx radiotap headers, so just drop the attribute here. Refresh ieee80211_radiotap(9) man page accordingly. - Since net80211 automatically updates channel frequency / flags in ieee80211_radiotap_chan_change() drop duplicate setup for these fields in drivers. Tested with Netgear WG111 v3 (urtw(4)), STA mode. MFC after: 2 weeks Notes: svn path=/head/; revision=344990
2019-02-05Remove All Rights ReservedWarner Losh
Remove the all rights reserved clause from my copyright, and make other minor tweaks needed where that might have created ambiguity. Notes: svn path=/head/; revision=343811
2018-05-18ifnet: Replace if_addr_lock rwlock with epoch + mutexMatt Macy
Run on LLNW canaries and tested by pho@ gallatin: Using a 14-core, 28-HTT single socket E5-2697 v3 with a 40GbE MLX5 based ConnectX 4-LX NIC, I see an almost 12% improvement in received packet rate, and a larger improvement in bytes delivered all the way to userspace. When the host receiving 64 streams of netperf -H $DUT -t UDP_STREAM -- -m 1, I see, using nstat -I mce0 1 before the patch: InMpps OMpps InGbs OGbs err TCP Est %CPU syscalls csw irq GBfree 4.98 0.00 4.42 0.00 4235592 33 83.80 4720653 2149771 1235 247.32 4.73 0.00 4.20 0.00 4025260 33 82.99 4724900 2139833 1204 247.32 4.72 0.00 4.20 0.00 4035252 33 82.14 4719162 2132023 1264 247.32 4.71 0.00 4.21 0.00 4073206 33 83.68 4744973 2123317 1347 247.32 4.72 0.00 4.21 0.00 4061118 33 80.82 4713615 2188091 1490 247.32 4.72 0.00 4.21 0.00 4051675 33 85.29 4727399 2109011 1205 247.32 4.73 0.00 4.21 0.00 4039056 33 84.65 4724735 2102603 1053 247.32 After the patch InMpps OMpps InGbs OGbs err TCP Est %CPU syscalls csw irq GBfree 5.43 0.00 4.20 0.00 3313143 33 84.96 5434214 1900162 2656 245.51 5.43 0.00 4.20 0.00 3308527 33 85.24 5439695 1809382 2521 245.51 5.42 0.00 4.19 0.00 3316778 33 87.54 5416028 1805835 2256 245.51 5.42 0.00 4.19 0.00 3317673 33 90.44 5426044 1763056 2332 245.51 5.42 0.00 4.19 0.00 3314839 33 88.11 5435732 1792218 2499 245.52 5.44 0.00 4.19 0.00 3293228 33 91.84 5426301 1668597 2121 245.52 Similarly, netperf reports 230Mb/s before the patch, and 270Mb/s after the patch Reviewed by: gallatin Sponsored by: Limelight Networks Differential Revision: https://reviews.freebsd.org/D15366 Notes: svn path=/head/; revision=333813
2017-11-18spdx: initial adoption of licensing ID tags.Pedro F. Giffuni
The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Special thanks to Wind River for providing access to "The Duke of Highlander" tool: an older (2014) run over FreeBSD tree was useful as a starting point. Initially, only tag files that use BSD 4-Clause "Original" license. RelNotes: yes Differential Revision: https://reviews.freebsd.org/D13133 Notes: svn path=/head/; revision=325966
2017-03-15Fix unreachable code in wi_pci_resume().Kevin Lo
PR: 217784 Submitted by: Svyatoslav <razmyslov at viva64.com> Found by: PVS-Studio Notes: svn path=/head/; revision=315294
2016-05-20wi: fix a typo.Andriy Voskoboinyk
The max size of bitmask is IEEE80211_MODE_BYTES, not IEEE80211_MODE_MAX. Reuse it in bwn(4) while I'm here. Noticed by: kevlo Notes: svn path=/head/; revision=300292
2016-05-19wi: switch to ieee80211_add_channel()Andriy Voskoboinyk
- Convert to ieee80211_add_channel(). - Add ic_getradiocaps() method. Differential Revision: https://reviews.freebsd.org/D6235 Notes: svn path=/head/; revision=300238
2016-05-04wi: fix a comment (0x1fff has 13 bits set).Andriy Voskoboinyk
Notes: svn path=/head/; revision=299083
2016-05-03sys/dev: minor spelling fixes.Pedro F. Giffuni
Most affect comments, very few have user-visible effects. Notes: svn path=/head/; revision=298955
2016-02-27Migrate many bus_alloc_resource() calls to bus_alloc_resource_anywhere().Justin Hibbits
Most calls to bus_alloc_resource() use "anywhere" as the range, with a given count. Migrate these to use the new bus_alloc_resource_anywhere() API. Reviewed by: jhb Differential Revision: https://reviews.freebsd.org/D5370 Notes: svn path=/head/; revision=296137
2016-02-01These files were getting sys/malloc.h and vm/uma.h with header pollutionGleb Smirnoff
via sys/mbuf.h Notes: svn path=/head/; revision=295126
2015-12-11Create a generic PCCARD_PNP_INFO from the MODULE_PNP_INFO buildingWarner Losh
block. Use it in all the PNP drivers to export either the current PNP table. For uart, create a custom table and export it using MODULE_PNP_INFO since it's the only one that matches on function number. Differential Review: https://reviews.freebsd.org/D3461 Notes: svn path=/head/; revision=292079
2015-10-12net80211: move ieee80211_free_node() call on error from ic_raw_xmit() to ↵Adrian Chadd
ieee80211_raw_output(). This doesn't free the mbuf upon error; the driver ic_raw_xmit method is still doing that. Submitted by: <s3erios@gmail.com> Differential Revision: https://reviews.freebsd.org/D3774 Notes: svn path=/head/; revision=289165
2015-09-22net80211: include one copy of struct ieee80211_beacon_offsets into ieee80211vapAdrian Chadd
Submitted by: Andriy Voskoboinyk <s3erios@gmail.com> Differential Revision: https://reviews.freebsd.org/D3658 Notes: svn path=/head/; revision=288095
2015-08-27Replay r286410. Change KPI of how device drivers that provide wirelessGleb Smirnoff
connectivity interact with the net80211 stack. Historical background: originally wireless devices created an interface, just like Ethernet devices do. Name of an interface matched the name of the driver that created. Later, wlan(4) layer was introduced, and the wlanX interfaces become the actual interface, leaving original ones as "a parent interface" of wlanX. Kernelwise, the KPI between net80211 layer and a driver became a mix of methods that pass a pointer to struct ifnet as identifier and methods that pass pointer to struct ieee80211com. From user point of view, the parent interface just hangs on in the ifconfig list, and user can't do anything useful with it. Now, the struct ifnet goes away. The struct ieee80211com is the only KPI between a device driver and net80211. Details: - The struct ieee80211com is embedded into drivers softc. - Packets are sent via new ic_transmit method, which is very much like the previous if_transmit. - Bringing parent up/down is done via new ic_parent method, which notifies driver about any changes: number of wlan(4) interfaces, number of them in promisc or allmulti state. - Device specific ioctls (if any) are received on new ic_ioctl method. - Packets/errors accounting are done by the stack. In certain cases, when driver experiences errors and can not attribute them to any specific interface, driver updates ic_oerrors or ic_ierrors counters. Details on interface configuration with new world order: - A sequence of commands needed to bring up wireless DOESN"T change. - /etc/rc.conf parameters DON'T change. - List of devices that can be used to create wlan(4) interfaces is now provided by net.wlan.devices sysctl. Most drivers in this change were converted by me, except of wpi(4), that was done by Andriy Voskoboinyk. Big thanks to Kevin Lo for testing changes to at least 8 drivers. Thanks to pluknet@, Oliver Hartmann, Olivier Cochard, gjb@, mmoll@, op@ and lev@, who also participated in testing. Reviewed by: adrian Sponsored by: Netflix Sponsored by: Nginx, Inc. Notes: svn path=/head/; revision=287197
2015-08-17Convert more ifp->if_softc -> ic->ic_softc.Adrian Chadd
These should be a big no-op. Tested: * make universe Notes: svn path=/head/; revision=286865
2015-08-08Revert the wifi ifnet changes until things are more baked and tested.Adrian Chadd
* 286410 * 286413 * 286416 The initial commit broke a variety of debug and features that aren't in the GENERIC kernels but are enabled in other platforms. Notes: svn path=/head/; revision=286437
2015-08-07Change KPI of how device drivers that provide wireless connectivity interactGleb Smirnoff
with the net80211 stack. Historical background: originally wireless devices created an interface, just like Ethernet devices do. Name of an interface matched the name of the driver that created. Later, wlan(4) layer was introduced, and the wlanX interfaces become the actual interface, leaving original ones as "a parent interface" of wlanX. Kernelwise, the KPI between net80211 layer and a driver became a mix of methods that pass a pointer to struct ifnet as identifier and methods that pass pointer to struct ieee80211com. From user point of view, the parent interface just hangs on in the ifconfig list, and user can't do anything useful with it. Now, the struct ifnet goes away. The struct ieee80211com is the only KPI between a device driver and net80211. Details: - The struct ieee80211com is embedded into drivers softc. - Packets are sent via new ic_transmit method, which is very much like the previous if_transmit. - Bringing parent up/down is done via new ic_parent method, which notifies driver about any changes: number of wlan(4) interfaces, number of them in promisc or allmulti state. - Device specific ioctls (if any) are received on new ic_ioctl method. - Packets/errors accounting are done by the stack. In certain cases, when driver experiences errors and can not attribute them to any specific interface, driver updates ic_oerrors or ic_ierrors counters. Details on interface configuration with new world order: - A sequence of commands needed to bring up wireless DOESN"T change. - /etc/rc.conf parameters DON'T change. - List of devices that can be used to create wlan(4) interfaces is now provided by net.wlan.devices sysctl. Most drivers in this change were converted by me, except of wpi(4), that was done by Andriy Voskoboinyk. Big thanks to Kevin Lo for testing changes to at least 8 drivers. Thanks to Olivier Cochard, gjb@, mmoll@, op@ and lev@, who also participated in testing. Details here: https://wiki.freebsd.org/projects/ifnet/net80211 Still, drivers: ndis, wtap, mwl, ipw, bwn, wi, upgt, uath were not tested. Changes to mwl, ipw, bwn, wi, upgt are trivial and chances of problems are low. The wtap wasn't compilable even before this change. But the ndis driver is complex, and it is likely to be broken with this commit. Help with testing and debugging it is appreciated. Differential Revision: D2655, D2740 Sponsored by: Nginx, Inc. Sponsored by: Netflix Notes: svn path=/head/; revision=286410
2015-07-07Enable the wireless on attach.Justin Hibbits
This comes from the archives of "forgotten in the original commit, and probably pointless now because nobody uses it, and the driver's broken anyway." Notes: svn path=/head/; revision=285228
2015-05-25Change three methods in struct ieee80211com, namely ic_updateslot,Gleb Smirnoff
ic_update_mcast and ic_update_promisc, to pass pointer to the ieee80211com, not to the ifnet. Sponsored by: Netflix Sponsored by: Nginx, Inc. Notes: svn path=/head/; revision=283540
2015-05-25Set ic_softc in all 802.11 drivers. Not required right now, but will beGleb Smirnoff
used quite soon. Sponsored by: Netflix Sponsored by: Nginx, Inc. Notes: svn path=/head/; revision=283537
2015-05-25Begin plumbing ieee80211_rx_stats through the receive path.Adrian Chadd
Smart NICs with firmware (eg wpi, iwn, the new atheros parts, the intel 7260 series, etc) support doing a lot of things in firmware. This includes but isn't limited to things like scanning, sending probe requests and receiving probe responses. However, net80211 doesn't know about any of this - it still drives the whole scan/probe infrastructure itself. In order to move towards suppoting smart NICs, the receive path needs to know about the channel/details for each received packet. In at least the iwn and 7260 firmware (and I believe wpi, but I haven't tried it yet) it will do the scanning, power-save and off-channel buffering for you - all you need to do is handle receiving beacons and probe responses on channels that aren't what you're currently on. However the whole receive path is peppered with ic->ic_curchan and manual scan/powersave handling. The beacon parsing code also checks ic->ic_curchan to determine if the received beacon is on the correct channel or not.[1] So: * add freq/ieee values to ieee80211_rx_stats; * change ieee80211_parse_beacon() to accept the 'current' channel as an argument; * modify the iv_input() and iv_recv_mgmt() methods to include the rx_stats; * add a new method - ieee80211_lookup_channel_rxstats() - that looks up a channel based on the contents of ieee80211_rx_stats; * if it exists, use it in the mgmt path to switch the current channel (which still defaults to ic->ic_curchan) over to something determined by rx_stats. This is enough to kick-start scan offload support in the Intel 7260 driver that Rui/I are working on. It also is a good start for scan offload support for a handful of existing NICs (wpi, iwn, some USB parts) and it'll very likely dramatically improve stability/performance there. It's not the whole thing - notably, we don't need to do powersave, we should not scan all channels, and we should leave probe request sending to the firmware and not do it ourselves. But, this allows for continued development on the above features whilst actually having a somewhat working NIC. TODO: * Finish tidying up how the net80211 input path works. Right now ieee80211_input / ieee80211_input_all act as the top-level that everything feeds into; it should change so the MIMO input routines are those and the legacy routines are phased out. * The band selection should be done by the driver, not by the net80211 layer. * ieee80211_lookup_channel_rxstats() only determines 11b or 11g channels for now - this is enough for scanning, but not 100% true in all cases. If we ever need to handle off-channel scan support for things like static-40MHz or static-80MHz, or turbo-G, or half/quarter rates, then we should extend this. [1] This is a side effect of frequency-hopping and CCK modes - you can receive beacons when you think you're on a different channel. In particular, CCK (which is used by the low 11b rates, eg beacons!) is decodable from adjacent channels - just at a low SNR. FH is a side effect of having the hardware/firmware do the frequency hopping - it may pick up beacons transmitted from other FH networks that are in a different phase of hopping frequencies. Notes: svn path=/head/; revision=283535
2015-05-25Make net80211 drivers supply their device name to the net80211 layer, soGleb Smirnoff
that the latter doesn't need to go through struct ifnet to get their name. Sponsored by: Netflix Sponsored by: Nginx, Inc. Notes: svn path=/head/; revision=283527
2014-11-22Retire old, transition code for managing the FreeBSD 5 -> 6 migration.Warner Losh
Notes: svn path=/head/; revision=274879
2014-09-24- Provide wi_get_counter() to return counters that are not collected,Gleb Smirnoff
but taken from hardware. - Mechanically convert to if_inc_counter() the rest of counters. Notes: svn path=/head/; revision=272068
2014-01-08Rename definition of IEEE80211_FC1_WEP to IEEE80211_FC1_PROTECTED.Kevin Lo
The origin of WEP comes from IEEE Std 802.11-1997 where it defines whether the frame body of MAC frame has been encrypted using WEP algorithm or not. IEEE Std. 802.11-2007 changes WEP to Protected Frame, indicates whether the frame is protected by a cryptographic encapsulation algorithm. Reviewed by: adrian, rpaulo Notes: svn path=/head/; revision=260444
2013-10-26The r48589 promised to remove implicit inclusion of if_var.h soon. PrepareGleb Smirnoff
to this event, adding if_var.h to files that do need it. Also, include all includes that now are included due to implicit pollution via if_var.h Sponsored by: Netflix Sponsored by: Nginx, Inc. Notes: svn path=/head/; revision=257176
2013-08-12Update PCI drivers to no longer look at the MEMIO-enabled bit in the PCIScott Long
command register. The lazy BAR allocation code in FreeBSD sometimes disables this bit when it detects a range conflict, and will re-enable it on demand when a driver allocates the BAR. Thus, the bit is no longer a reliable indication of capability, and should not be checked. This results in the elimination of a lot of code from drivers, and also gives the opportunity to simplify a lot of drivers to use a helper API to set the busmaster enable bit. This changes fixes some recent reports of disk controllers and their associated drives/enclosures disappearing during boot. Submitted by: jhb Reviewed by: jfv, marius, achadd, achim MFC after: 1 day Notes: svn path=/head/; revision=254263
2013-07-31Add the macio attachment for wi(4). Partially obtained from NetBSD.Justin Hibbits
Reviewed by: adrian Obtained from: NetBSD (partially) Notes: svn path=/head/; revision=253825
2013-07-29Use the streaming functions for reading/writing the BAP fields on wi(4). ThisJustin Hibbits
fixes wi(4) device access on big endian architectures. PR: kern/164499 Reviewed by: adrian Obtained from: NetBSD Notes: svn path=/head/; revision=253756
2012-12-04Mechanically substitute flags from historic mbuf allocator withGleb Smirnoff
malloc(9) flags in sys/dev. Notes: svn path=/head/; revision=243857
2012-02-25If an interrupt is received with no vap attached, just fail LINK events.Adrian Chadd
This fixes a NULL pointer dereference which occurs if the vap list is empty but someone brings up the wi0 interface. Notes: svn path=/head/; revision=232147
2012-01-26Include opt_wlan.h before net80211 includes; so IEEE80211_* configurationAdrian Chadd
flags are correctly handled. This is required for this to load when IEEE80211_DEBUG_REFCNT is defined. Notes: svn path=/head/; revision=230562
2011-12-17Fix some net80211 enum nits:Bernhard Schmidt
- ic_vap_create() uses an ieee80211_opmode argument - ieee80211_rate2media() takes an ieee80211_phymode argument - ieee80211_plcp2rate() takes an ieee80211_phytype argument - cast to enum ieee80211_protmode and ieee80211_roamingmode to silence compiler warnings Submitted by: arundel@ Notes: svn path=/head/; revision=228621
2011-11-07Mark all SYSCTL_NODEs static that have no corresponding SYSCTL_DECLs.Ed Schouten
The SYSCTL_NODE macro defines a list that stores all child-elements of that node. If there's no SYSCTL_DECL macro anywhere else, there's no reason why it shouldn't be static. Notes: svn path=/head/; revision=227309
2011-01-19sysctl(8) should use the CTLTYPE to determine the type of data whenMatthew D Fleming
reading. (This was already done for writing to a sysctl). This requires all SYSCTL setups to specify a type. Most of them are now checked at compile-time. Remove SYSCTL_*X* sysctl additions as the print being in hex should be controlled by the -x flag to sysctl(8). Succested by: bde Notes: svn path=/head/; revision=217586
2010-05-03Add new tunable 'net.link.ifqmaxlen' to set default send interfaceMaxim Sobolev
queue length. The default value for this parameter is 50, which is quite low for many of today's uses and the only way to modify this parameter right now is to edit if_var.h file. Also add read-only sysctl with the same name, so that it's possible to retrieve the current value. MFC after: 1 month Notes: svn path=/head/; revision=207554
2009-09-08Revert previous commit and add myself to the list of people who shouldPoul-Henning Kamp
know better than to commit with a cat in the area. Notes: svn path=/head/; revision=196970
2009-09-08Add necessary include.Poul-Henning Kamp
Notes: svn path=/head/; revision=196969
2009-06-26Use if_maddr_rlock()/if_maddr_runlock() rather than IF_ADDR_LOCK()/Robert Watson
IF_ADDR_UNLOCK() across network device drivers when accessing the per-interface multicast address list, if_multiaddrs. This will allow us to change the locking strategy without affecting our driver programming interface or binary interface. For two wireless drivers, remove unnecessary locking, since they don't actually access the multicast address list. Approved by: re (kib) MFC after: 6 weeks Notes: svn path=/head/; revision=195049
2009-06-11strict kobj sigs: fix assortment of device_detach and device_shutdown implsAndriy Gapon
with common issue of having void return type instead of int Reviewed by: imp, current@ Approved by: jhb (mentor) Notes: svn path=/head/; revision=194023
2009-05-21force type matchSam Leffler
Notes: svn path=/head/; revision=192517
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