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History log of /src/sys/dev/pci/if_vr.c
RevisionDateAuthorComments
 1.138  29-Jun-2024  riastradh if_stats(9): Add ifp argument to if_stat..._ref.

This will enable us to pass the ifp through to a dtrace probe inside.

No functional change intended in this change, but this is an API
change visible to modules so it shouldn't be pulled up.

PR kern/58377
 1.137  24-Sep-2022  thorpej Remove unnecessary include of <sys/malloc.h>.
 1.136  17-Sep-2022  thorpej Eliminate use of IFF_OACTIVE.
 1.135  24-Jul-2021  andvar s/structres/structures + s/whenver/whenever
 1.134  08-May-2021  thorpej Use pci_compatible_match().
 1.133  07-Feb-2020  thorpej branches: 1.133.10;
Use callout_setfunc() / callout_schedule().
 1.132  30-Jan-2020  thorpej Adopt <net/if_stats.h>.
 1.131  13-Sep-2019  msaitoh branches: 1.131.2;
if_flags is neither int nor short. It's unsigned short.
 1.130  28-May-2019  msaitoh Use ETHER_LOCK()/ETHER_UNLOCK() for all ethernet drivers to protect ec_multi*.
 1.129  23-May-2019  msaitoh Whitespace fix (mainly tabify).
 1.128  23-May-2019  msaitoh -No functional change:
- Simplify struct ethercom's pointer near ETHER_FIRST_MULTI().
- Simplify MII structure initialization.
- u_int*_t -> uint*_t.
- KNF
 1.127  22-Jan-2019  msaitoh Change MII PHY read/write API from:

int (*mii_readreg_t)(device_t, int, int);
void (*mii_writereg_t)(device_t, int, int, int);
to:

int (*mii_readreg_t)(device_t, int, int, uint16_t *);
int (*mii_writereg_t)(device_t, int, int, uint16_t);

Now we can test if a read/write operation failed or not by the return value.

In 802.3 spec says that the PHY shall not respond to read/write transaction
to the unimplemented register(22.2.4.3). Detecting timeout can be used to
check whether a register is implemented or not (if the register conforms to
the spec). ukphy(4) can be used this for MII_MMDACR and MII_MMDAADR.

Note that I noticed that the following code do infinite loop in the
read/wirte function. If it accesses unimplemented PHY register, it will hang.
It should be fixed:

arm/at91/at91emac.c
arm/ep93xx/epe.c
arm/omap/omapl1x_emac.c
mips/ralink/ralink_eth.c
arch/powerpc/booke/dev/pq3etsec.c(read)
dev/cadence/if_cemac.c <- hkenken
dev/ic/lan9118.c


Tested with the following device:

axe+ukphy
axe+rgephy
axen+rgephy (tested by Andrius V)
wm+atphy
wm+ukphy
wm+igphy
wm+ihphy
wm+makphy
sk+makphy
sk+brgphy
sk+gentbi
msk+makphy
sip+icsphy
sip+ukphy
re+rgephy
bge+brgphy
bnx+brgphy
gsip+gphyter
rtk+rlphy
fxp+inphy (tested by Andrius V)
tlp+acphy
ex+exphy
epic+qsphy
vge+ciphy (tested by Andrius V)
vr+ukphy (tested by Andrius V)
vte+ukphy (tested by Andrius V)

Not tested (MAC):
arm:at91emac
arm:cemac
arm:epe
arm:geminigmac
arm:enet
arm:cpsw
arm:emac(omac)
arm:emac(sunxi)
arm:npe
evbppc:temac
macppc:bm
macppc:gm
mips:aumac
mips:ae
mips:cnmac
mips:reth
mips:sbmac
playstation2:smap
powerpc:tsec
powerpc:emac(ibm4xx)
sgimips:mec
sparc:be
sf
ne(ax88190, dl10019)
awge
ep
gem
hme
smsh
mtd
sm
age
alc
ale
bce
cas
et
jme
lii
nfe
pcn
ste
stge
tl
xi
aue
mue
smsc
udav
url

Not tested (PHY):
amhphy
bmtphy
dmphy
etphy
glxtphy
ikphy
iophy
lxtphy
nsphyter
pnaphy
rdcphy
sqphy
tlphy
tqphy
urlphy
 1.126  09-Dec-2018  jdolecek use pci_intr_establish_xname() everywhere
 1.125  18-Jul-2018  sevan Be consistent among ethernet drivers on the convention for printing ethernet
addresses.

NFC
 1.124  26-Jun-2018  msaitoh branches: 1.124.2;
Implement the BPF direction filter (BIOC[GS]DIRECTION). It provides backward
compatibility with BIOC[GS]SEESENT ioctl. The userland interface is the same
as FreeBSD.

This change also fixes a bug that the direction is misunderstand on some
environment by passing the direction to bpf_mtap*() instead of checking
m->m_pkthdr.rcvif.
 1.123  28-Feb-2018  flxd branches: 1.123.2;
Cosmetic printf/aprint changes.
Add missing return statement after failed pci_intr_establish().
 1.122  28-Feb-2018  flxd Cosmetic fix for the Physical Address Registers PAR0 to PAR5.
 1.121  15-Dec-2016  ozaki-r Move bpf_mtap and if_ipackets++ on Rx of each driver to percpuq if_input

The benefits of the change are:
- We can reduce codes
- We can provide the same behavior between drivers
- Where/When if_ipackets is counted up
- Note that some drivers still update packet statistics in their own
way (periodical update)
- Moved bpf_mtap run in softint
- This makes it easy to MP-ify bpf

Proposed on tech-kern and tech-net
 1.120  08-Dec-2016  ozaki-r Apply deferred if_start framework

if_schedule_deferred_start checks if the if_snd queue contains packets,
so drivers don't need to check it by themselves.
 1.119  14-Jul-2016  msaitoh branches: 1.119.2;
- Use aprint*() instead of printf() in xxx_attach().
- Add missing aprint_naive("\n");
- KNF
 1.118  07-Jul-2016  msaitoh KNF. Remove extra spaces. No functional change.
 1.117  10-Jun-2016  ozaki-r Introduce m_set_rcvif and m_reset_rcvif

The API is used to set (or reset) a received interface of a mbuf.
They are counterpart of m_get_rcvif, which will come in another
commit, hide internal of rcvif operation, and reduce the diff of
the upcoming change.

No functional change.
 1.116  09-Feb-2016  ozaki-r Introduce softint-based if_input

This change intends to run the whole network stack in softint context
(or normal LWP), not hardware interrupt context. Note that the work is
still incomplete by this change; to that end, we also have to softint-ify
if_link_state_change (and bpf) which can still run in hardware interrupt.

This change softint-ifies at ifp->if_input that is called from
each device driver (and ieee80211_input) to ensure Layer 2 runs
in softint (e.g., ether_input and bridge_input). To this end,
we provide a framework (called percpuq) that utlizes softint(9)
and percpu ifqueues. With this patch, rxintr of most drivers just
queues received packets and schedules a softint, and the softint
dequeues packets and does rest packet processing.

To minimize changes to each driver, percpuq is allocated in struct
ifnet for now and that is initialized by default (in if_attach).
We probably have to move percpuq to softc of each driver, but it's
future work. At this point, only wm(4) has percpuq in its softc
as a reference implementation.

Additional information including performance numbers can be found
in the thread at tech-kern@ and tech-net@:
http://mail-index.netbsd.org/tech-kern/2016/01/14/msg019997.html

Acknowledgment: riastradh@ greatly helped this work.
Thank you very much!
 1.115  13-Apr-2015  riastradh Convert sys/dev to use <sys/rndsource.h>.
 1.114  10-Aug-2014  tls branches: 1.114.4;
Merge tls-earlyentropy branch into HEAD.
 1.113  29-Mar-2014  christos branches: 1.113.2;
make pci_intr_string and eisa_intr_string take a buffer and a length
instead of relying in local static storage.
 1.112  27-Dec-2012  jmcneill branches: 1.112.2;
- reset the chip if the tx engine gets stuck after a link state change,
from OpenBSD
- no need to do a full reset of the chip when enabling or disabling
promiscuous mode
 1.111  22-Jul-2012  matt branches: 1.111.2;
Fix mii_statchg to take a 'struct ifnet *' instead of device_t. This fixes
problem with a common MDIO bus used for multiple interfaces.
Some drivers converted to CFATTACL_DECL_NEW.
 1.110  02-Feb-2012  tls branches: 1.110.2;
Entropy-pool implementation move and cleanup.

1) Move core entropy-pool code and source/sink/sample management code
to sys/kern from sys/dev.

2) Remove use of NRND as test for presence of entropy-pool code throughout
source tree.

3) Remove use of RND_ENABLED in device drivers as microoptimization to
avoid expensive operations on disabled entropy sources; make the
rnd_add calls do this directly so all callers benefit.

4) Fix bug in recent rnd_add_data()/rnd_add_uint32() changes that might
have lead to slight entropy overestimation for some sources.

5) Add new source types for environmental sensors, power sensors, VM
system events, and skew between clocks, with a sample implementation
for each.

ok releng to go in before the branch due to the difficulty of later
pullup (widespread #ifdef removal and moved files). Tested with release
builds on amd64 and evbarm and live testing on amd64.
 1.109  30-Jan-2012  drochner Use pci_aprint_devinfo(9) instead of pci_devinfo+aprint_{normal,naive}
where it looks straightforward, and pci_aprint_devinfo_fancy in a few
others where drivers want to supply their own device names instead
of the pcidevs generated one. More complicated cases, where names
are composed at runtime, are left alone for now. It certainly makes
sense to simplify the drivers here rather than inventing a catch-all API.
This should serve as as example for new drivers, and also ensure
consistent output in the AB_QUIET ("boot -q") case. Also, it avoids
excessive stack usage where drivers attach child devices because the
buffer for the device name is not kept on the local stack anymore.
 1.108  19-Nov-2011  tls branches: 1.108.2;
First step of random number subsystem rework described in
<20111022023242.BA26F14A158@mail.netbsd.org>. This change includes
the following:

An initial cleanup and minor reorganization of the entropy pool
code in sys/dev/rnd.c and sys/dev/rndpool.c. Several bugs are
fixed. Some effort is made to accumulate entropy more quickly at
boot time.

A generic interface, "rndsink", is added, for stream generators to
request that they be re-keyed with good quality entropy from the pool
as soon as it is available.

The arc4random()/arc4randbytes() implementation in libkern is
adjusted to use the rndsink interface for rekeying, which helps
address the problem of low-quality keys at boot time.

An implementation of the FIPS 140-2 statistical tests for random
number generator quality is provided (libkern/rngtest.c). This
is based on Greg Rose's implementation from Qualcomm.

A new random stream generator, nist_ctr_drbg, is provided. It is
based on an implementation of the NIST SP800-90 CTR_DRBG by
Henric Jungheim. This generator users AES in a modified counter
mode to generate a backtracking-resistant random stream.

An abstraction layer, "cprng", is provided for in-kernel consumers
of randomness. The arc4random/arc4randbytes API is deprecated for
in-kernel use. It is replaced by "cprng_strong". The current
cprng_fast implementation wraps the existing arc4random
implementation. The current cprng_strong implementation wraps the
new CTR_DRBG implementation. Both interfaces are rekeyed from
the entropy pool automatically at intervals justifiable from best
current cryptographic practice.

In some quick tests, cprng_fast() is about the same speed as
the old arc4randbytes(), and cprng_strong() is about 20% faster
than rnd_extract_data(). Performance is expected to improve.

The AES code in src/crypto/rijndael is no longer an optional
kernel component, as it is required by cprng_strong, which is
not an optional kernel component.

The entropy pool output is subjected to the rngtest tests at
startup time; if it fails, the system will reboot. There is
approximately a 3/10000 chance of a false positive from these
tests. Entropy pool _input_ from hardware random numbers is
subjected to the rngtest tests at attach time, as well as the
FIPS continuous-output test, to detect bad or stuck hardware
RNGs; if any are detected, they are detached, but the system
continues to run.

A problem with rndctl(8) is fixed -- datastructures with
pointers in arrays are no longer passed to userspace (this
was not a security problem, but rather a major issue for
compat32). A new kernel will require a new rndctl.

The sysctl kern.arandom() and kern.urandom() nodes are hooked
up to the new generators, but the /dev/*random pseudodevices
are not, yet.

Manual pages for the new kernel interfaces are forthcoming.
 1.107  16-Dec-2010  jakllsch branches: 1.107.8;
Enable ETHERCAP_VLAN_MTU in vr(4). Tested on VT6105M and VT8237R+.
May or may not work on earlier chips, for now just assume it will.
Provoked by PR#44243.
 1.106  13-Nov-2010  uebayasi Don't pull in the whole uvm(9) API to access only PAGE_SIZE and
some other constants. These are provided by sys/param.h now.
 1.105  28-Apr-2010  hubertf Silence for boot -z
 1.104  05-Apr-2010  joerg Push the bpf_ops usage back into bpf.h. Push the common ifp->if_bpf
check into the inline functions as well the fourth argument for
bpf_attach.
 1.103  24-Feb-2010  dyoung branches: 1.103.2;
A pointer typedef entails trading too much flexibility to declare const
and non-const types, and the kernel uses both const and non-const
PMF qualifiers and device suspensors, so change the pmf_qual_t and
device_suspensor_t typedefs from "pointers to const" to non-pointer,
non-const types.
 1.102  19-Jan-2010  pooka branches: 1.102.2;
Redefine bpf linkage through an always present op vector, i.e.
#if NBPFILTER is no longer required in the client. This change
doesn't yet add support for loading bpf as a module, since drivers
can register before bpf is attached. However, callers of bpf can
now be modularized.

Dynamically loadable bpf could probably be done fairly easily with
coordination from the stub driver and the real driver by registering
attachments in the stub before the real driver is loaded and doing
a handoff. ... and I'm not going to ponder the depths of unload
here.

Tested with i386/MONOLITHIC, modified MONOLITHIC without bpf and rump.
 1.101  08-Jan-2010  dyoung Expand PMF_FN_* macros.
 1.100  26-Nov-2009  njoly Cleanup interrupt establish error messages. Do not mix
aprint_error/aprint_normal/printf calls for a single line.
 1.99  26-Sep-2009  jmcneill add suspend/resume support
 1.98  06-Sep-2009  tsutsui Replace shutdownhook_establish(9) with pmf_device_register1(9).
Tested VIA VT86C100A (which is probed as VT3043).
 1.97  23-Aug-2009  jmcneill Don't maintain a list of descriptions for each supported device, that's
what PCIVERBOSE is for; use pci_devinfo instead.
 1.96  06-May-2009  cegger struct cfdata * -> cfdata_t, no functional changes intended.
 1.95  09-Jul-2008  joerg branches: 1.95.4; 1.95.8; 1.95.12;
- device/softc split
 1.94  09-Jul-2008  joerg Constify device table.
 1.93  28-Apr-2008  martin branches: 1.93.2; 1.93.4; 1.93.6;
Remove clause 3 and 4 from TNF licenses
 1.92  10-Apr-2008  cegger branches: 1.92.2; 1.92.4;
use aprint_*_dev and device_xname
 1.91  21-Mar-2008  dyoung pci_activate() expects for its void * argument to be a device_t,
so change the type of the argument to device_t. Update each use
of pci_activate().

Use device_t and accessors. Use aprint_*_dev().
 1.90  11-Mar-2008  dyoung Prepare for PMF self-suspension: in the if_stop() methods, clear
IFF_UP and IFF_RUNNING before running the 'disable' step, instead
of after. Soon I will handle the 'disable' step by calling into
PMF, which may call if_stop(, 0). Ordinarily, that is harmless.
This change lets the if_stop() routines exit early when they find
on entry that IFF_RUNNING is not set.
 1.89  19-Jan-2008  dyoung branches: 1.89.2; 1.89.6;
Make many ethernet drivers share the common code for MII media
handling, ether_mediastatus() and ether_mediachange(). Check for
a non-ENXIO error return from mii_mediachg(). (ENXIO indicates
that a PHY is suspended.)

This patch shrinks the source code size by 979 lines. There was
a 5100-byte savings on the NetBSD/i386 kernel configuration, ALL.

I have made a few miscellaneous changes, too:

gem(4): use LIST_EMPTY(), LIST_FOREACH().
mtd(4): handle media ioctls, for a change!
axe(4): do not track link status in sc->axe_link any longer
nfe(4), aue(4), axe(4), udav(4), url(4): do not reset all PHYs
on a change of media

Except for the change to mtd(4), no functional changes are intended.

XXX This patch affects more architectures than I can feasibly
XXX compile and run. I have compiled macppc, sparc64, i386. I
XXX have run the patches on i386 boxen with bnx(4) and sip(4).
XXX Compiling and running on evbmips (MERAKI, ADM5120) is in
XXX progress.
 1.88  19-Oct-2007  ad branches: 1.88.2; 1.88.8;
machine/{bus,cpu,intr}.h -> sys/{bus,cpu,intr}.h
 1.87  09-Jul-2007  ad branches: 1.87.6; 1.87.8; 1.87.12;
Merge some of the less invasive changes from the vmlocking branch:

- kthread, callout, devsw API changes
- select()/poll() improvements
- miscellaneous MT safety improvements
 1.86  15-Jun-2007  jmcneill Add VT6105M (Rhine III) to the list of supported devices, as found in the
Soekris net5501.
 1.85  04-Mar-2007  christos branches: 1.85.2; 1.85.4;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.84  16-Nov-2006  christos branches: 1.84.2; 1.84.4; 1.84.8;
__unused removal on arguments; approved by core.
 1.83  05-Nov-2006  tsutsui Use uintNN_t.
 1.82  03-Nov-2006  tsutsui Pull several fixes which improve TX error handling
from FreeBSD's if_vr.c rev 1.52:
- check more error status in TX descriptor and restart TX module
appropriately in vr_txeof()
- check more error interrupt status in vr_intr()

I can't confirm whether these changes actually fix TX stalls because
I can't reproduce the problem I had about seven years ago (I guess
it might be caused by excessive collisions on a dumb hub), but at least
they don't seem to have bad side effects on normal operations on my macppc.
 1.81  02-Nov-2006  tsutsui Don't touch the VR_STICKHW register on VT3043.

The commit log in FreeBSD's if_vr.c rev 1.43 says
"This is really only for the VT6102, but it doesn't hurt the older chips,"
but at least it hurts my VT86C100A (which returns a product ID of VT3043)
on macppc and causes kernel MCHK trap while the same board on i386
and VT6102 on macppc have no problem with it.
 1.80  02-Nov-2006  tsutsui Pull some RX fixes from FreeBSD's if_vr.c rev 1.59:
- in vr_rxeoc() (i.e. on RX error interrupts), disable RX before
calling vr_rxeof() and check it actually stopped
- no recovery is needed for VR_ISR_DROPPED, so just account ierrors
- also account ierrors in vr_rxeoc()
 1.79  02-Nov-2006  tsutsui - make DMA descriptor members volatile
- set VR_RXSTAT_OWN after all other descriptor data is set

With these changes, vr_init() seems to initialize
the vr chip stuck on RX properly.
 1.78  20-Oct-2006  scw Force a reload of the EEPROM if the MAC address is all zeroes.
Fixes PR kern/34812.
 1.77  12-Oct-2006  christos - sprinkle __unused on function decls.
- fix a couple of unused bugs
- no more -Wno-unused for i386
 1.76  17-Jun-2006  christos branches: 1.76.4; 1.76.6;
re-factor the pci powestate api. reviewed by gimpy
 1.75  11-Dec-2005  christos branches: 1.75.4; 1.75.8; 1.75.14; 1.75.16;
merge ktrace-lwp.
 1.74  30-Jan-2005  thorpej branches: 1.74.6;
Eliminate use of M_HASFCS.
 1.73  27-Jan-2005  scw In vr_start(), don't forget to free the new mbuf if the second
bus_dmamap_load_mbuf() fails.
 1.72  25-Jan-2005  jmmv Capture incomplete packets coming from the card, as this driver doesn't
support this feature. This avoids multiple crashes that I've had in the
past. Also ensure that packets are not empty when DIAGNOSTIC is set.

However, this is just another sanity check of the received packets, but
does not address the real problem. The issue seems to be the following:
if the card receives data while doing a reset (vr_init), it later finds
a bunch of empty packets in the receive ring.

This explains the crashes I've hit: running a program which needs
promiscuous mode (dhclient) while the card was already running in
that mode (tcpdump). In this situation, it's easy that the second
reset receives stuff from the network.

Unfortunately, I don't know why the card is producing these packets...

While here, fix a typo in a comment.
 1.71  13-Jan-2005  jmmv branches: 1.71.2; 1.71.4;
Fix two typos.
 1.70  30-Oct-2004  thorpej When adding/deleting multicast addresses, only whack the address
filter if the interface is marked RUNNING.

Fixes kern/27678.
 1.69  21-Aug-2004  thorpej Use ANSI function decls and make use of static.
 1.68  15-Feb-2004  jdolecek branches: 1.68.4;
add rnd hooks
 1.67  14-Nov-2003  jmcneill Don't set VR_EECSR_LOAD before reading the MAC address on the VT6102 either.
 1.66  13-Nov-2003  scw On Rhine III, don't set VR_EECSR_LOAD before reading the MAC address.
This reloads the entire EEPROM, not just the MAC address, which can
cause problems for the host PCI bus under certain circumstances. The
chip already loads the EEPROM at powerup/reset anyway.

XXX: This probably applies to the other Rhine variants too, but I don't
have a data sheet to confirm this behaviour.
 1.65  17-Oct-2003  tsutsui - No need to set VR_TXCTL_TLINK in vr_start() because all TX buffers have
only single segment.
- No need to set VR_CMD_TX_ON in vr_start().
- Initialize BCR0 and BCR1 registers.
- Change RX DMA threshold 128bytes.

Mostly from FreeBSD via OpenBSD.
 1.64  17-Oct-2003  tsutsui Misc cosmetics.
 1.63  17-Oct-2003  tsutsui Use common PCI macro/functions for PWRMGMT.
 1.62  23-Aug-2003  dogcow add VT6105 support to vr(4)
 1.61  10-Apr-2003  christos branches: 1.61.2;
Add MIIF_FORCEANEG from Martin Husemann
 1.60  15-Jan-2003  bouyer Zero out the buffer when padding packet to ETHER_MIN_LEN-ETHER_CRC_LEN
 1.59  03-Jan-2003  lha From freebsd if_vr.c:1.43,1.56 and if_vrreg.h:1.11,1.14

- Windows put the chip in suspended mode, make sure we unsuspend
it. 1.43, by Takefumi SAYO <stake@po.shiojiri.ne.jp>

- Detect the revision of the Rhine chip we're using, and force reset
when the chip supports it. 1.65, by silby@freebsd.org
 1.58  21-Oct-2002  fair Change the "dontcare bits" argument to ifmedia_init() to IFM_IMASK
so that it is possible select PHY instances other than the first
one (instance zero), if there is more than one PHY attached.
 1.57  02-Oct-2002  thorpej Add trailing ; to CFATTACH_DECL.
 1.56  30-Sep-2002  thorpej Use CFATTACH_DECL().
 1.55  27-Sep-2002  thorpej Declare all cfattach structures const.
 1.54  28-Jul-2002  christos my card prints transmit aborted and then hangs. Let's try to reset it.
 1.53  13-Nov-2001  lukem branches: 1.53.8; 1.53.10;
add RCSID
 1.52  14-Aug-2001  mrg mtod() with uintptr_t, not bus_addr_t.
 1.51  23-Jul-2001  thorpej Make sure to initialize the all Rx descriptors properly in *_init()
even if mbufs for them are already allocated.
 1.50  19-Jul-2001  thorpej Use BUS_DMA_READ and BUS_DMA_WRITE in some obvious places.
 1.49  07-Jul-2001  thorpej branches: 1.49.2;
bcopy -> memcpy, strcpy
 1.48  12-Jun-2001  thorpej Don't need INET or NS includes here.
 1.47  12-Jun-2001  wiz receive, not recieve
 1.46  29-Jan-2001  tsutsui branches: 1.46.2;
Use ether_crc32_be() for multicast hash calculation.
 1.45  29-Jan-2001  enami Handle allmulti case correctly as a NetBSD network driver;
if we are requested range of multicast address or too many multicast address,
program multicast filter to receive all multicast address. And set/clear
IFF_ALLMULTI flag properly.
 1.44  28-Dec-2000  sommerfeld Change pci_intr_map to get interrupt source information from a "struct
pci_attach_args *" instead of from four separate parameters which in
all cases were extracted from the same "struct pci_attach_args".

This both simplifies the driver api, and allows for alternate PCI
interrupt mapping schemes, such as one using the tables described in
the Intel Multiprocessor Spec which describe interrupt wirings for
devices behind pci-pci bridges based on the device's location rather
the bridge's location.

Tested on alpha and i386; welcome to 1.5Q
 1.43  19-Dec-2000  thorpej Fix a problem with the ALTQ changes that can cause bogus memory
refernces. Problem reported by Luke Mewburn.
 1.42  14-Dec-2000  thorpej ALTQ'ify.
 1.41  15-Nov-2000  thorpej Move bpfattach()/bpfdetach() calls into ether_ifattach()/ether_ifdetach().
 1.40  15-Oct-2000  thorpej Don't trim off the FCS, pass it up.
 1.39  11-Oct-2000  thorpej Use ether_ioctl().
 1.38  01-Oct-2000  thorpej Move the check for "promisc + unicast + not for us" into ether_input(),
and change Ethernet drivers to always pass all received frames to
ether_input() (with a few exceptions, which are documented in the
code).
 1.37  13-Sep-2000  tron Use correct product id for VIA VT6102 chip. Problem pointed out by
Jaromir Doleeek in private e-mail.
 1.36  13-Sep-2000  tron Add support VIA VT6102 chip found e.g on the D-Link DFE530TX NIC.
Fixes PR kern/11001 by Petter Lindquist.
 1.35  28-Jun-2000  mrg remove include of <vm/vm.h>. <vm/vm.h> -> <uvm/uvm_extern.h>
 1.34  23-Mar-2000  thorpej branches: 1.34.4;
New callout mechanism with two major improvements over the old
timeout()/untimeout() API:
- Clients supply callout handle storage, thus eliminating problems of
resource allocation.
- Insertion and removal of callouts is constant time, important as
this facility is used quite a lot in the kernel.

The old timeout()/untimeout() API has been removed from the kernel.
 1.33  06-Mar-2000  thorpej No longer necessary to futz with ifp->if_baudrate here.
 1.32  02-Feb-2000  thorpej Don't dry to diving MIIF_NOISOLATE in the PHY drivers. Instead, pass
flags down from the parent to child vi mii_attach().
 1.31  02-Feb-2000  thorpej Bring some order to the chaos which was the MII code function naming
"conventions".
 1.30  12-Dec-1999  thorpej Use htole32() and le32toh().
 1.29  19-Nov-1999  thorpej Make the ThunderLAN and VIA Rhine drivers use the common MII bit-bang module.
 1.28  12-Nov-1999  thorpej Call mii_down() as appropriate.
 1.27  04-Nov-1999  thorpej Adapt to mii_phy_probe() change.
 1.26  20-Sep-1999  thorpej branches: 1.26.2; 1.26.4; 1.26.8;
Fix packet reception in promiscuous mode: compare the Ethernet destination
address against our station address if it's not a multicast packet. Either
the Rhine manual lies about the phys/broadcast/multicast rxstatus bits,
or the Rhine chip is just broken.

Fixes a redirect storm problem reported by Laine Stump on current-users.
 1.25  14-Aug-1999  hwr Initialize error variable. Should fix spurious init errors.
From Dave Huang in PR 8205.
 1.24  14-Aug-1999  hwr Remove dulicate "Ethernet" output. From Dave Huang in PR 8206
 1.23  03-Aug-1999  thorpej Be a little nicer about memory usage:
* Don't allocate receive buffers until the interface is actually brought
up, and release all of them if the interface is taken down.
* Add a knob (defaults to off) which will copy an incoming packet to
a single header mbuf if it is small enough to fit in one, rather than
burning an entire cluster on it. Note that this change will be mostly
moot if/when sbcompress() it changed to handle compressing clusters.
 1.22  18-May-1999  thorpej Rework layer 2 protocol input routines. Instead of calling e.g. ether_input()
directly, call the function pointer (*if_input)(ifp, m). The input routine
expects the packet header to be at the head of the packet, and will adjust
as necessary. Privatize the layer 2 input and output routines, allowing
*_ifattach() to set them up as appropriate.
 1.21  26-Apr-1999  thorpej Make the VIA Rhine driver work on big-endian systems. From Izumi Tsutsui,
PR #7305.
 1.20  24-Apr-1999  thorpej Fix an mbuf leak in the strict alignment case of packet reception.
 1.19  24-Mar-1999  thorpej branches: 1.19.2;
Don't enable I/O or memory access here! These bits in the PCI CSR are
set up by the firmware, and indicate which mapping types the system
supports.
 1.18  12-Feb-1999  thorpej Major overhaul of the Rhine/Rhine-II driver, structuring it a little more
like the SMC83C100 EPIC/100 driver:
* Rather than using pointers to the head and tail of the transmit and
receive rings, use wrapping indexes into arrays. This is a little more
obvious when reading the code.
* More cleanly separate the hardware descriptor from the software descriptor.
* bus_dma it everywhere.
* Implement interrupt pacing and avoid a potential race in the transmit
loop.

Now this looks more or less like the Rhine driver I was working on when
this driver was committed :-) Update copyright notice to reflect that.
 1.17  05-Feb-1999  thorpej Make this driver work on the Alpha. Apparently the receive DMA mechanism
has the same 4-byte alignment requirement that the transmit side does. This
causes the packet payload to be misaligned. So, on systems which require
strict alignment, we must copy the incoming frame to a new packet buffer,
suitably aligned.
 1.16  05-Feb-1999  thorpej Fix the interrupt handler to actually acknowledge the interupt to the
dispatch code (!!!). How did this work even on the i386 before?
 1.15  05-Feb-1999  thorpej Fix some formatting nits.
 1.14  05-Feb-1999  thorpej Remove some duplicate softc members, and comment some of the softc
fields.
 1.13  05-Feb-1999  thorpej Remove some unnecessary splnet's.
 1.12  05-Feb-1999  thorpej splimp -> splnet
 1.11  05-Feb-1999  thorpej Use the generic MII support code, not our own.
 1.10  05-Feb-1999  thorpej Use MII command opcodes from <sys/dev/mii.h>
 1.9  05-Feb-1999  thorpej Rename VR_MIICMD_DATAIN and VR_MIICMD_DATAOUT to actually match what the
data sheet says. (The names and their usage were exactly reversed in the
code.)
 1.8  02-Feb-1999  thorpej Use pcidevs.h to get vendor and product IDs.
 1.7  02-Feb-1999  thorpej Take software-only structure definitions out of the register description
header.
 1.6  02-Feb-1999  thorpej Remove support for FreeBSD from the driver; so many changes are going
to be required to make it properly portable to all of NetBSD's platforms,
that it just wouldn't be worth the effort.
 1.5  01-Feb-1999  thorpej Minimal changes to make this compile on the Alpha. Much more work is
needed to make this a truly portable driver.
 1.4  26-Jan-1999  sakamoto NetBSD RCS id.
 1.3  22-Jan-1999  sakamoto Change bootverbose 1 to 0.
Add vr_lookup.
 1.2  21-Jan-1999  sakamoto Add NetBSD autoconfiguration support.
KNF.
 1.1  21-Jan-1999  sakamoto branches: 1.1.1;
Initial revision
 1.1.1.1  21-Jan-1999  sakamoto Import FreeBSD's VIA Rhine fast ethernet PCI NIC driver
written by Bill Paul <wpaul@ctr.columbia.edu>.
 1.19.2.3  22-Sep-1999  cgd pull up rev 1.26 from trunk (requested by thorpej):
Fix packet reception in promiscuous mode: compare the Ethernet
destination address against our station address if it's not a
multicast packet. Fixes a redirect storm problem.
 1.19.2.2  26-Apr-1999  perry branches: 1.19.2.2.2; 1.19.2.2.4;
pullup 1.20->1.21 (thorpej): make the driver work on big-endian systems
 1.19.2.1  26-Apr-1999  perry pullup 1.19->1.20 (thorpej): fix an mbuf leak
 1.19.2.2.4.1  30-Nov-1999  itojun bring in latest KAME (as of 19991130, KAME/NetBSD141) into kame branch
just for reference purposes.
This commit includes 1.4 -> 1.4.1 sync for kame branch.

The branch does not compile at all (due to the lack of ALTQ and some other
source code). Please do not try to modify the branch, this is just for
referenre purposes.

synchronization to latest KAME will take place on HEAD branch soon.
 1.19.2.2.2.1  21-Jun-1999  thorpej Sync w/ -current.
 1.26.8.1  27-Dec-1999  wrstuden Pull up to last week's -current.
 1.26.4.1  15-Nov-1999  fvdl Sync with -current
 1.26.2.4  11-Feb-2001  bouyer Sync with HEAD.
 1.26.2.3  05-Jan-2001  bouyer Sync with HEAD
 1.26.2.2  22-Nov-2000  bouyer Sync with HEAD.
 1.26.2.1  20-Nov-2000  bouyer Update thorpej_scsipi to -current as of a month ago
A i386 GENERIC kernel compiles without the siop, ahc and bha drivers
(will be updated later). i386 IDE/ATAPI and ncr work, as well as
sparc/esp_sbus. alpha should work as well (untested yet).
siop, ahc and bha will be updated once I've updated the branch to current
-current, as well as machine-dependant code.
 1.34.4.2  13-Mar-2001  he Pull up revision 1.45 (requested by tsutsui):
Handle allmulti case correctly as a NetBSD network driver;
if we are requested range of multicast address or too many
multicast address, program multicast filter to receive all
multicast address. And set/clear IFF_ALLMULTI flag properly.
 1.34.4.1  13-Sep-2000  tron Pull up from current (approved by thorpej):

Add support VIA VT6102 chip found e.g on the D-Link DFE530TX NIC.

syssrc/sys/dev/pci/if_vr.c 1.36-1.37
syssrc/sys/dev/pci/pcidevs 1.256-1.258
 1.46.2.8  17-Jan-2003  thorpej Sync with HEAD.
 1.46.2.7  07-Jan-2003  thorpej Sync with HEAD.
 1.46.2.6  11-Nov-2002  nathanw Catch up to -current
 1.46.2.5  18-Oct-2002  nathanw Catch up to -current.
 1.46.2.4  01-Aug-2002  nathanw Catch up to -current.
 1.46.2.3  14-Nov-2001  nathanw Catch up to -current.
 1.46.2.2  24-Aug-2001  nathanw Catch up with -current.
 1.46.2.1  21-Jun-2001  nathanw Catch up to -current.
 1.49.2.5  10-Oct-2002  jdolecek sync kqueue with -current; this includes merge of gehenna-devsw branch,
merge of i386 MP branch, and part of autoconf rototil work
 1.49.2.4  06-Sep-2002  jdolecek sync kqueue branch with HEAD
 1.49.2.3  10-Jan-2002  thorpej Sync kqueue branch with -current.
 1.49.2.2  25-Aug-2001  thorpej Merge Aug 24 -current into the kqueue branch.
 1.49.2.1  03-Aug-2001  lukem update to -current
 1.53.10.1  27-Jan-2003  jmc Pullup revisions 1.59-1.60 (requested by bouyer in ticket #1092)
Zero out the buffer when padding packet to ETHER_MIN_LEN-ETHER_CRC_LEN
 1.53.8.1  29-Aug-2002  gehenna catch up with -current.
 1.61.2.7  04-Feb-2005  skrll Sync with HEAD.
 1.61.2.6  17-Jan-2005  skrll Sync with HEAD.
 1.61.2.5  02-Nov-2004  skrll Sync with HEAD.
 1.61.2.4  21-Sep-2004  skrll Fix the sync with head I botched.
 1.61.2.3  18-Sep-2004  skrll Sync with HEAD.
 1.61.2.2  25-Aug-2004  skrll Sync with HEAD.
 1.61.2.1  03-Aug-2004  skrll Sync with HEAD
 1.68.4.1  24-Jan-2005  he Pull up revision 1.70 (requested by thorpej in ticket #939):
When adding or deleting multicast addresses, only change
the address filter if the interface is marked RUNNING.
Fixes PR#27678.
 1.71.4.1  12-Feb-2005  yamt sync with head.
 1.71.2.1  29-Apr-2005  kent sync with -current
 1.74.6.7  24-Mar-2008  yamt sync with head.
 1.74.6.6  17-Mar-2008  yamt sync with head.
 1.74.6.5  21-Jan-2008  yamt sync with head
 1.74.6.4  27-Oct-2007  yamt sync with head.
 1.74.6.3  03-Sep-2007  yamt sync with head.
 1.74.6.2  30-Dec-2006  yamt sync with head.
 1.74.6.1  21-Jun-2006  yamt sync with head.
 1.75.16.1  13-Jul-2006  gdamore Merge from HEAD.
 1.75.14.1  19-Jun-2006  chap Sync with head.
 1.75.8.1  26-Jun-2006  yamt sync with head.
 1.75.4.1  09-Sep-2006  rpaulo sync with head
 1.76.6.2  10-Dec-2006  yamt sync with head.
 1.76.6.1  22-Oct-2006  yamt sync with head
 1.76.4.1  18-Nov-2006  ad Sync with head.
 1.84.8.1  03-Sep-2007  wrstuden Sync w/ NetBSD-4-RC_1
 1.84.4.1  12-Mar-2007  rmind Sync with HEAD.
 1.84.2.1  17-Jun-2007  riz Pull up following revision(s) (requested by jmcneill in ticket #725):
sys/dev/pci/if_vr.c: revision 1.86
Add VT6105M (Rhine III) to the list of supported devices, as found
in the
Soekris net5501.
 1.85.4.1  11-Jul-2007  mjf Sync with head.
 1.85.2.3  23-Oct-2007  ad Sync with head.
 1.85.2.2  15-Jul-2007  ad Sync with head.
 1.85.2.1  01-Jul-2007  ad Adapt to callout API change.
 1.87.12.1  25-Oct-2007  bouyer Sync with HEAD.
 1.87.8.2  23-Mar-2008  matt sync with HEAD
 1.87.8.1  06-Nov-2007  matt sync with HEAD
 1.87.6.1  26-Oct-2007  joerg Sync with HEAD.

Follow the merge of pmap.c on i386 and amd64 and move
pmap_init_tmp_pgtbl into arch/x86/x86/pmap.c. Modify the ACPI wakeup
code to restore CR4 before jumping back into kernel space as the large
page option might cover that.
 1.88.8.1  20-Jan-2008  bouyer Sync with HEAD
 1.88.2.1  18-Feb-2008  mjf Sync with HEAD.
 1.89.6.3  28-Sep-2008  mjf Sync with HEAD.
 1.89.6.2  02-Jun-2008  mjf Sync with HEAD.
 1.89.6.1  03-Apr-2008  mjf Sync with HEAD.
 1.89.2.1  24-Mar-2008  keiichi sync with head.
 1.92.4.6  11-Aug-2010  yamt sync with head.
 1.92.4.5  11-Mar-2010  yamt sync with head
 1.92.4.4  16-Sep-2009  yamt sync with head
 1.92.4.3  16-May-2009  yamt sync with head
 1.92.4.2  04-May-2009  yamt sync with head.
 1.92.4.1  16-May-2008  yamt sync with head.
 1.92.2.1  18-May-2008  yamt sync with head.
 1.93.6.1  19-Oct-2008  haad Sync with HEAD.
 1.93.4.1  18-Jul-2008  simonb Sync with head.
 1.93.2.1  18-Sep-2008  wrstuden Sync with wrstuden-revivesa-base-2.
 1.95.12.1  21-Apr-2010  matt sync to netbsd-5
 1.95.8.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.95.4.2  03-Oct-2009  snj Pull up following revision(s) (requested by jmcneill in ticket #1022):
sys/dev/pci/if_vr.c: revision 1.99
add suspend/resume support
 1.95.4.1  03-Oct-2009  snj Pull up following revision(s) (requested by jmcneill in ticket #1022):
sys/dev/pci/if_vr.c: revision 1.98
Replace shutdownhook_establish(9) with pmf_device_register1(9).
Tested VIA VT86C100A (which is probed as VT3043).
 1.102.2.1  30-Apr-2010  uebayasi Sync with HEAD.
 1.103.2.2  05-Mar-2011  rmind sync with head
 1.103.2.1  30-May-2010  rmind sync with head
 1.107.8.4  22-May-2014  yamt sync with head.

for a reference, the tree before this commit was tagged
as yamt-pagecache-tag8.

this commit was splitted into small chunks to avoid
a limitation of cvs. ("Protocol error: too many arguments")
 1.107.8.3  23-Jan-2013  yamt sync with head
 1.107.8.2  30-Oct-2012  yamt sync with head
 1.107.8.1  17-Apr-2012  yamt sync with head
 1.108.2.1  18-Feb-2012  mrg merge to -current.
 1.110.2.1  08-Feb-2013  riz Pull up following revision(s) (requested by taca in ticket #783):
sys/dev/pci/if_vr.c: revision 1.112
- reset the chip if the tx engine gets stuck after a link state change,
from OpenBSD
- no need to do a full reset of the chip when enabling or disabling
promiscuous mode
 1.111.2.3  03-Dec-2017  jdolecek update from HEAD
 1.111.2.2  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.111.2.1  25-Feb-2013  tls resync with head
 1.112.2.1  18-May-2014  rmind sync with head
 1.113.2.1  07-Apr-2014  tls Be a little more clear and consistent about harvesting entropy from devices:

1) deprecate RND_FLAG_NO_ESTIMATE

2) define RND_FLAG_COLLECT_TIME, RND_FLAG_COLLECT_VALUE

3) define RND_FLAG_ESTIMATE_TIME, RND_FLAG_ESTIMATE_VALUE

4) define RND_FLAG_DEFAULT: RND_FLAG_COLLECT_TIME|
RND_FLAG_COLLECT_VALUE|RND_FLAG_ESTIMATE_TIME

5) Make entropy harvesting from environmental sensors a little more generic
and remove it from individual sensor drivers.

6) Remove individual open-coded delta-estimators for values from a few
places in the tree (uvm, environmental drivers).

7) 0 -> RND_FLAG_DEFAULT, actually gather entropy from various drivers
that had stubbed out code, other minor cleanups.
 1.114.4.5  05-Feb-2017  skrll Sync with HEAD
 1.114.4.4  05-Oct-2016  skrll Sync with HEAD
 1.114.4.3  09-Jul-2016  skrll Sync with HEAD
 1.114.4.2  19-Mar-2016  skrll Sync with HEAD
 1.114.4.1  06-Jun-2015  skrll Sync with HEAD
 1.119.2.1  07-Jan-2017  pgoyette Sync with HEAD. (Note that most of these changes are simply $NetBSD$
tag issues.)
 1.123.2.3  26-Jan-2019  pgoyette Sync with HEAD
 1.123.2.2  26-Dec-2018  pgoyette Sync with HEAD, resolve a few conflicts
 1.123.2.1  28-Jul-2018  pgoyette Sync with HEAD
 1.124.2.3  13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.124.2.2  08-Apr-2020  martin Merge changes from current as of 20200406
 1.124.2.1  10-Jun-2019  christos Sync with HEAD
 1.131.2.1  29-Feb-2020  ad Sync with head.
 1.133.10.2  01-Aug-2021  thorpej Sync with HEAD.
 1.133.10.1  13-May-2021  thorpej Sync with HEAD.

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