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History log of /src/sys/arch/arm/ep93xx/epe.c
RevisionDateAuthorComments
 1.52  04-Oct-2025  thorpej Add a shared function to query the common properties used for configuring
an Ethernet address.
 1.51  05-Jul-2024  rin sys: Drop redundant NULL check before m_freem(9)

m_freem(9) safely has accepted NULL argument at least since 4.2BSD:
https://www.tuhs.org/cgi-bin/utree.pl?file=4.2BSD/usr/src/sys/sys/uipc_mbuf.c

Compile-tested on amd64/ALL.

Suggested by knakahara@
 1.50  27-Sep-2022  skrll branches: 1.50.10;
Remove unnecessary sys/malloc.h include
 1.49  17-Sep-2022  thorpej Eliminate use of IFF_OACTIVE.
 1.48  19-Feb-2020  thorpej When a media change is requested, don't just all (*if_init)(). That's
needlessly disruptive and incompatible with future locking changes.
We can use both ether_mediachange() and ether_mediastatus() instead.
 1.47  03-Feb-2020  skrll More if_stat*
 1.46  03-Feb-2020  skrll Adopt <net/if_stats.h>
 1.45  21-Oct-2019  msaitoh branches: 1.45.2;
if_percpuq(9) automatically increments if_ipackets, so don't increment it in
the driver itself to prevent double count.
 1.44  30-May-2019  msaitoh branches: 1.44.2;
Simplify MII structure initialization and reference. No functional change.
 1.43  28-May-2019  msaitoh Use ETHER_LOCK()/ETHER_UNLOCK() for all ethernet drivers to protect ec_multi*.
 1.42  23-May-2019  msaitoh Whitespace fix (mainly tabify).
 1.41  23-May-2019  msaitoh No functional change:
- Change ac(was arpcom) to ec(ethercom)
- Simplify MII structure initialization.
- u_int*_t -> uint*_t.
- KNF
 1.40  05-Feb-2019  msaitoh Remove very old IFF_NOTRAILERS flag.
 1.39  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
 1.38  26-Jun-2018  msaitoh branches: 1.38.2;
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.
 1.37  22-Jun-2018  msaitoh It's not required to include net/bpfdesc.h. Remove it.
 1.36  22-Feb-2017  nonaka branches: 1.36.6; 1.36.12;
Apply deferred if_start to more MD drivers.
 1.35  15-Dec-2016  ozaki-r branches: 1.35.2;
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
 1.34  10-Jun-2016  ozaki-r branches: 1.34.2;
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.
 1.33  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!
 1.32  20-May-2015  ozaki-r Remove leftover use of AF_NS and NS option

Unnecessary NETISR_NS is also removed.
 1.31  08-Mar-2014  skrll branches: 1.31.6;
Remove unused variables
 1.30  02-Mar-2014  joerg Make the empty loop body explicit.
 1.29  12-Nov-2012  skrll branches: 1.29.2;
C99 types
 1.28  27-Oct-2012  chs split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.
 1.27  22-Jul-2012  matt branches: 1.27.2;
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.
 1.26  01-Jul-2011  dyoung branches: 1.26.2;
#include <sys/bus.h> instead of <machine/bus.h>.
 1.25  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.
 1.24  22-Jan-2010  martin branches: 1.24.2; 1.24.4;
Unify the name of the device property to hold a MAC address - there was
no clear majority for either "mac-addr" vs. "mac-address", but a quick
gallup poll among developers selected the latter.
 1.23  19-Jan-2010  pooka 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.
 1.22  23-Oct-2009  snj Switch to a 2 clause license. Approved by joff@ (copyright holder).
 1.21  18-Mar-2009  cegger bzero -> memset
 1.20  14-Mar-2009  dsl ANSIfy another 1261 function definitions.
The only ones left in sys are beyond by sed script!
(or in sys/dist or sys/external)
Mostly they have function pointer parameters.
 1.19  14-Mar-2009  dsl Change about 4500 of the K&R function definitions to ANSI ones.
There are still about 1600 left, but they have ',' or /* ... */
in the actual variable definitions - which my awk script doesn't handle.
There are also many that need () -> (void).
(The script does handle misordered arguments.)
 1.18  10-May-2008  martin branches: 1.18.6; 1.18.12;
Backout previous: the license sweep touched these files in error, so
restore the old license.
 1.17  28-Apr-2008  martin branches: 1.17.2;
Remove clause 3 and 4 from TNF licenses
 1.16  20-Jan-2008  dogcow branches: 1.16.10;
kill unused variables
 1.15  19-Jan-2008  dyoung 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.
 1.14  19-Jan-2008  chris Remove arm support for IPKDB.

It hasn't worked since arm was broken out from arm32 in Jan 2001, and
no-one has noticed or cared to fix it.
 1.13  17-Oct-2007  garbled branches: 1.13.2; 1.13.8;
Merge the ppcoea-renovation branch to HEAD.

This branch was a major cleanup and rototill of many of the various OEA
cpu based PPC ports that focused on sharing as much code as possible
between the various ports to eliminate near-identical copies of files in
every tree. Additionally there is a new PIC system that unifies the
interface to interrupt code for all different OEA ppc arches. The work
for this branch was done by a variety of people, too long to list here.

TODO:
bebox still needs work to complete the transition to -renovation.
ofppc still needs a bunch of work, which I will be looking at.
ev64260 still needs to be renovated
amigappc was not attempted.

NOTES:
pmppc was removed as an arch, and moved to a evbppc target.
 1.12  09-Jul-2007  ad branches: 1.12.6; 1.12.10; 1.12.12;
Merge some of the less invasive changes from the vmlocking branch:

- kthread, callout, devsw API changes
- select()/poll() improvements
- miscellaneous MT safety improvements
 1.11  05-Mar-2007  he branches: 1.11.2; 1.11.4; 1.11.10;
Cast to char* before doing pointer arithmetic, convert one void* to char*
for ease of pointer arithmetic.
 1.10  04-Mar-2007  christos Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.9  24-Jan-2007  hubertf branches: 1.9.2;
Remove duplicate #includes, patch contributed in private mail
by Slava Semushin <slava.semushin@gmail.com>.

To verify that no nasty side effects of duplicate includes (or their
removal) have an effect here, I've compiled an i386/ALL kernel with
and without the patch, and the only difference in the resulting .o
files was in shifted line numbers in some assert() calls.
The comparison of the .o files was based on the output of "objdump -D".

Thanks to martin@ for the input on testing.
 1.8  05-May-2006  thorpej branches: 1.8.8;
Remove the devprop API and switch everthing over to the new proplib. Add
a new device_properties() accessor for device_t that returns the device's
property dictionary.
 1.7  29-Mar-2006  thorpej Use device_cfdata().
 1.6  18-Feb-2006  thorpej branches: 1.6.2; 1.6.4; 1.6.6;
- Don't expose dev_propdb directly -- provide devprop_*() wrappers instead.
- Rework the ARMADILLO / epe device properties interaction so that it actually
associates the MAC address property with the epe device instance.
 1.5  24-Dec-2005  perry branches: 1.5.2; 1.5.4; 1.5.6;
Remove leading __ from __(const|inline|signed|volatile) -- it is obsolete.
 1.4  12-Nov-2005  hamajima add new EP93xx device drivers.
epgpio: GPIO Interface (support gpio(4))
epled: LED on epgpio
eppcic: PCMCIA Interface
eprtc: Realtime clock
epwdog: Watchdog timer

changes
ep93xx_intr: add dummy entries to keep vmstat happy.
epclk: I use Timer1 and generate 100Hz if set.
epe: attach epclk and epgpio first.
fetch the Ethernet address from property if set.
I use config flags and modify MDCDIV.
 1.3  19-Oct-2005  hamajima Fix write sequence to PHY.
I write a data first, but I wrote a command first.
 1.2  17-Jan-2005  joff branches: 1.2.2; 1.2.8; 1.2.10; 1.2.12;
dont use TX intrs and various other performance improvements
 1.1  22-Dec-2004  joff branches: 1.1.2;
ep93xx processor on-chip 1/10/100 ethernet MAC driver
 1.1.2.1  29-Apr-2005  kent sync with -current
 1.2.12.1  26-Oct-2005  yamt sync with head
 1.2.10.4  21-Jan-2008  yamt sync with head
 1.2.10.3  03-Sep-2007  yamt sync with head.
 1.2.10.2  26-Feb-2007  yamt sync with head.
 1.2.10.1  21-Jun-2006  yamt sync with head.
 1.2.8.1  21-Oct-2005  riz Pull up following revision(s) (requested by hamajima in ticket #904):
sys/arch/arm/ep93xx/epe.c: revision 1.3
Fix write sequence to PHY.
I write a data first, but I wrote a command first.
 1.2.2.4  11-Dec-2005  christos Sync with head.
 1.2.2.3  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.2.2.2  17-Jan-2005  skrll Sync with HEAD.
 1.2.2.1  17-Jan-2005  skrll file epe.c was added on branch ktrace-lwp on 2005-01-17 19:29:12 +0000
 1.5.6.2  01-Jun-2006  kardel Sync with head.
 1.5.6.1  22-Apr-2006  simonb Sync with head.
 1.5.4.1  09-Sep-2006  rpaulo sync with head
 1.5.2.1  18-Feb-2006  yamt sync with head.
 1.6.6.2  24-May-2006  tron Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.
 1.6.6.1  31-Mar-2006  tron Merge 2006-03-31 NetBSD-current into the "peter-altq" branch.
 1.6.4.2  11-May-2006  elad sync with head
 1.6.4.1  19-Apr-2006  elad sync with head - hopefully this will work
 1.6.2.2  24-May-2006  yamt sync with head.
 1.6.2.1  01-Apr-2006  yamt sync with head.
 1.8.8.1  01-Feb-2007  ad Sync with head.
 1.9.2.1  12-Mar-2007  rmind Sync with HEAD.
 1.11.10.1  03-Oct-2007  garbled Sync with HEAD
 1.11.4.1  11-Jul-2007  mjf Sync with head.
 1.11.2.1  15-Jul-2007  ad Sync with head.
 1.12.12.2  23-Mar-2008  matt sync with HEAD
 1.12.12.1  06-Nov-2007  matt sync with HEAD
 1.12.10.2  20-Jan-2008  chris Sync to HEAD.
 1.12.10.1  01-Jan-2008  chris Sync with HEAD.
 1.12.6.1  28-Feb-2008  rjs Sync with HEAD.
 1.13.8.1  20-Jan-2008  bouyer Sync with HEAD
 1.13.2.1  18-Feb-2008  mjf Sync with HEAD.
 1.16.10.3  11-Aug-2010  yamt sync with head.
 1.16.10.2  11-Mar-2010  yamt sync with head
 1.16.10.1  04-May-2009  yamt sync with head.
 1.17.2.1  23-Jun-2008  wrstuden Sync w/ -current. 34 merge conflicts to follow.
 1.18.12.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.18.6.1  28-Apr-2009  skrll Sync with HEAD.
 1.24.4.1  30-May-2010  rmind sync with head
 1.24.2.1  30-Apr-2010  uebayasi Sync with HEAD.
 1.26.2.3  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")
 1.26.2.2  16-Jan-2013  yamt sync with (a bit old) head
 1.26.2.1  30-Oct-2012  yamt sync with head
 1.27.2.3  03-Dec-2017  jdolecek update from HEAD
 1.27.2.2  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.27.2.1  20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.29.2.1  18-May-2014  rmind sync with head
 1.31.6.5  28-Aug-2017  skrll Sync with HEAD
 1.31.6.4  05-Feb-2017  skrll Sync with HEAD
 1.31.6.3  09-Jul-2016  skrll Sync with HEAD
 1.31.6.2  19-Mar-2016  skrll Sync with HEAD
 1.31.6.1  06-Jun-2015  skrll Sync with HEAD
 1.34.2.2  20-Mar-2017  pgoyette Sync with HEAD
 1.34.2.1  07-Jan-2017  pgoyette Sync with HEAD. (Note that most of these changes are simply $NetBSD$
tag issues.)
 1.35.2.1  21-Apr-2017  bouyer Sync with HEAD
 1.36.12.3  26-Jan-2019  pgoyette Sync with HEAD
 1.36.12.2  28-Jul-2018  pgoyette Sync with HEAD
 1.36.12.1  25-Jun-2018  pgoyette Sync with HEAD
 1.36.6.2  24-Oct-2019  martin Pull up following revision(s) (requested by msaitoh in ticket #1416):

sys/dev/ic/i82586.c: revision 1.86
sys/arch/arm/ep93xx/epe.c: revision 1.45
sys/dev/pcmcia/if_cnw.c: revision 1.66
sys/arch/mac68k/nubus/if_netdock_nubus.c: revision 1.31
sys/dev/qbus/if_il.c: revision 1.36
sys/dev/pcmcia/if_ray.c: revision 1.95
sys/dev/qbus/if_qt.c: revision 1.24

if_percpuq(9) automatically increments if_ipackets, so don't increment it in
the driver itself to prevent double count.
 1.36.6.1  26-Jul-2018  snj Pull up following revision(s) (requested by msaitoh in ticket #938):
sys/arch/acorn32/podulebus/if_ie.c: revision 1.41
sys/arch/amiga/dev/if_es.c: revision 1.58
sys/arch/amiga/dev/if_qn.c: revision 1.45
sys/arch/arm/at91/at91emac.c: revision 1.20
sys/arch/arm/ep93xx/epe.c: revision 1.37
sys/arch/emips/ebus/if_le_ebus.c: revision 1.14
sys/arch/emips/ebus/if_le_ebus.c: revision 1.15
sys/arch/mac68k/dev/if_mc.c: revision 1.46
sys/arch/macppc/dev/am79c950.c: revision 1.39
sys/arch/newsmips/apbus/if_sn.c: revision 1.40
sys/arch/next68k/dev/mb8795.c: revision 1.59
sys/arch/playstation2/dev/if_smap.c: revision 1.25
sys/arch/playstation2/dev/if_smap.c: revision 1.26
sys/arch/sun2/dev/if_ec.c: revision 1.28
sys/arch/sun3/dev/if_ie.c: revision 1.63
sys/arch/x68k/dev/if_ne_intio.c: revision 1.19
sys/arch/xen/xen/if_xennet_xenbus.c: revision 1.75
sys/arch/xen/xen/xennetback_xenbus.c: revision 1.63
sys/dev/bi/if_ni.c: revision 1.45
sys/dev/cadence/if_cemac.c: revision 1.12
sys/dev/ic/am7990.c: revision 1.78
sys/dev/ic/am79900.c: revision 1.27
sys/dev/ic/an.c: revision 1.67
sys/dev/ic/cs89x0.c: revision 1.40
sys/dev/ic/dm9000.c: revision 1.13
sys/dev/ic/dm9000.c: revision 1.14
sys/dev/ic/dp8390.c: revision 1.88
sys/dev/ic/elink3.c: revision 1.141
sys/dev/ic/elinkxl.c: revision 1.122
sys/dev/ic/hme.c: revision 1.98
sys/dev/ic/i82586.c: revision 1.77
sys/dev/ic/lance.c: revision 1.53
sys/dev/ic/mb86950.c: revision 1.27
sys/dev/ic/mb86960.c: revision 1.86
sys/dev/ic/mtd803.c: revision 1.34
sys/dev/ic/pdq_ifsubr.c: revision 1.59
sys/dev/ic/rrunner.c: revision 1.86
sys/dev/ic/seeq8005.c: revision 1.58
sys/dev/ic/sgec.c: revision 1.47
sys/dev/ic/smc90cx6.c: revision 1.72
sys/dev/ic/smc91cxx.c: revision 1.96
sys/dev/ic/tropic.c: revision 1.49
sys/dev/ic/wi.c: revision 1.245
sys/dev/isa/if_eg.c: revision 1.93
sys/dev/isa/if_el.c: revision 1.95
sys/dev/isa/if_iy.c: revision 1.101
sys/dev/ofw/ofnet.c: revision 1.58
sys/dev/pci/if_alc.c: revision 1.27
sys/dev/pci/if_de.c: revision 1.152
sys/dev/pci/if_fpa.c: revision 1.61
sys/dev/pci/if_jme.c: revision 1.34
sys/dev/pci/if_tl.c: revision 1.108
sys/dev/pci/if_vte.c: revision 1.19
sys/dev/pci/ixgbe/ixgbe.h: revision 1.50
sys/dev/pcmcia/if_cnw.c: revision 1.62
sys/dev/pcmcia/if_malo_pcmcia.c: revision 1.17
sys/dev/pcmcia/if_ray.c: revision 1.89
sys/dev/pcmcia/if_xi.c: revision 1.81
sys/dev/pcmcia/mhzc.c: revision 1.51
sys/dev/pcmcia/xirc.c: revision 1.34
sys/dev/qbus/if_de.c: revision 1.33
sys/dev/qbus/if_qe.c: revision 1.78
sys/dev/qbus/if_qt.c: revision 1.22
sys/dev/sbus/be.c: revision 1.87
sys/dev/sbus/qe.c: revision 1.68
sys/dev/scsipi/if_se.c: revision 1.96
sys/dev/usb/if_atu.c: revision 1.59
sys/net/if_l2tp.c: revision 1.28 via patch
sys/net/if_ppp.c: revision 1.160
It's not required to include net/bpfdesc.h. Remove it.
--
Simplify like other drivers. NULL check of ifp->if_bpf is done in
bpf_mtap(), so it's not required to do it here.
--
Remove duplicated inclusion of net/bpf.h.
--
Remove duplicated inclusion of net/bpf.h.
--
Simplify bpf_mtap() call. No functional change.
 1.38.2.3  13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.38.2.2  08-Apr-2020  martin Merge changes from current as of 20200406
 1.38.2.1  10-Jun-2019  christos Sync with HEAD
 1.44.2.1  23-Oct-2019  martin Pull up following revision(s) (requested by msaitoh in ticket #371):

sys/dev/ic/i82586.c: revision 1.86
sys/arch/arm/ep93xx/epe.c: revision 1.45
sys/dev/pcmcia/if_cnw.c: revision 1.66
sys/arch/mac68k/nubus/if_netdock_nubus.c: revision 1.31
sys/arch/arm/sunxi/sunxi_can.c: revision 1.2
sys/dev/qbus/if_il.c: revision 1.36
sys/dev/pcmcia/if_ray.c: revision 1.95
sys/dev/qbus/if_qt.c: revision 1.24

if_ipackets is incremented in can_input(), so don't increment it in
sunxi_can_rx_intr to prevent double count. OK'd by bouyer@.

if_percpuq(9) automatically increments if_ipackets, so don't increment it in
the driver itself to prevent double count.
 1.45.2.1  29-Feb-2020  ad Sync with head.
 1.50.10.1  02-Aug-2025  perseant Sync with HEAD

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