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History log of /src/sys/arch/sun3/dev/if_ie.c
RevisionDateAuthorComments
 1.74  09-Feb-2024  andvar fix spelling mistakes, mainly in comments and log messages.
 1.73  24-Oct-2021  andvar fix various typos in comments, mainly copypasta.
 1.72  19-Mar-2020  thorpej Don't bother with IFF_OACTIVE. Just keep processing so long as
sc->xmit_busy is less than sc->ntxbuf.
 1.71  29-Jan-2020  thorpej Adopt <net/if_stats.h>.
 1.70  28-May-2019  msaitoh branches: 1.70.4;
Use ETHER_LOCK()/ETHER_UNLOCK() for all ethernet drivers to protect ec_multi*.
 1.69  23-May-2019  msaitoh Whitespace fix (mainly tabify).
 1.68  23-May-2019  msaitoh -No functional change:
- KNF
- u_int*_t -> uint*_t.
 1.67  05-Feb-2019  msaitoh Remove very old IFF_NOTRAILERS flag.
 1.66  03-Sep-2018  riastradh Rename min/max -> uimin/uimax for better honesty.

These functions are defined on unsigned int. The generic name
min/max should not silently truncate to 32 bits on 64-bit systems.
This is purely a name change -- no functional change intended.

HOWEVER! Some subsystems have

#define min(a, b) ((a) < (b) ? (a) : (b))
#define max(a, b) ((a) > (b) ? (a) : (b))

even though our standard name for that is MIN/MAX. Although these
may invite multiple evaluation bugs, these do _not_ cause integer
truncation.

To avoid `fixing' these cases, I first changed the name in libkern,
and then compile-tested every file where min/max occurred in order to
confirm that it failed -- and thus confirm that nothing shadowed
min/max -- before changing it.

I have left a handful of bootloaders that are too annoying to
compile-test, and some dead code:

cobalt ews4800mips hp300 hppa ia64 luna68k vax
acorn32/if_ie.c (not included in any kernels)
macppc/if_gm.c (superseded by gem(4))

It should be easy to fix the fallout once identified -- this way of
doing things fails safe, and the goal here, after all, is to _avoid_
silent integer truncations, not introduce them.

Maybe one day we can reintroduce min/max as type-generic things that
never silently truncate. But we should avoid doing that for a while,
so that existing code has a chance to be detected by the compiler for
conversion to uimin/uimax without changing the semantics until we can
properly audit it all. (Who knows, maybe in some cases integer
truncation is actually intended!)
 1.65  26-Jun-2018  msaitoh branches: 1.65.2;
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.
 1.64  22-Jun-2018  msaitoh Remove bpf_tap() in iexmit() because ie_start() does bpf_mtap().
 1.63  22-Jun-2018  msaitoh It's not required to include net/bpfdesc.h. Remove it.
 1.62  22-Feb-2017  nonaka branches: 1.62.6; 1.62.12;
Apply deferred if_start to more MD drivers.
 1.61  15-Dec-2016  ozaki-r branches: 1.61.2;
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
 1.60  06-Dec-2016  ozaki-r Remove obsolete ancient optimization for bpf

The optimization code was obsoleted over 15 years ago.
We can remove it safely.
 1.59  07-Jul-2016  msaitoh branches: 1.59.2;
KNF. Remove extra spaces. No functional change.
 1.58  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.
 1.57  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!
 1.56  20-May-2015  ozaki-r Remove leftover use of AF_NS and NS option

Unnecessary NETISR_NS is also removed.
 1.55  05-Apr-2010  joerg branches: 1.55.18; 1.55.36;
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.
 1.54  19-Jan-2010  pooka branches: 1.54.2; 1.54.4;
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.
 1.53  18-Mar-2009  cegger bcmp -> memcmp
 1.52  07-Nov-2008  dyoung branches: 1.52.4;
*** Summary ***

When a link-layer address changes (e.g., ifconfig ex0 link
02:de:ad:be:ef:02 active), send a gratuitous ARP and/or a Neighbor
Advertisement to update the network-/link-layer address bindings
on our LAN peers.

Refuse a change of ethernet address to the address 00:00:00:00:00:00
or to any multicast/broadcast address. (Thanks matt@.)

Reorder ifnet ioctl operations so that driver ioctls may inherit
the functions of their "class"---ether_ioctl(), fddi_ioctl(), et
cetera---and the class ioctls may inherit from the generic ioctl,
ifioctl_common(), but both driver- and class-ioctls may override
the generic behavior. Make network drivers share more code.

Distinguish a "factory" link-layer address from others for the
purposes of both protecting that address from deletion and computing
EUI64.

Return consistent, appropriate error codes from network drivers.

Improve readability. KNF.

*** Details ***

In if_attach(), always initialize the interface ioctl routine,
ifnet->if_ioctl, if the driver has not already initialized it.
Delete if_ioctl == NULL tests everywhere else, because it cannot
happen.

In the ioctl routines of network interfaces, inherit common ioctl
behaviors by calling either ifioctl_common() or whichever ioctl
routine is appropriate for the class of interface---e.g., ether_ioctl()
for ethernets.

Stop (ab)using SIOCSIFADDR and start to use SIOCINITIFADDR. In
the user->kernel interface, SIOCSIFADDR's argument was an ifreq,
but on the protocol->ifnet interface, SIOCSIFADDR's argument was
an ifaddr. That was confusing, and it would work against me as I
make it possible for a network interface to overload most ioctls.
On the protocol->ifnet interface, replace SIOCSIFADDR with
SIOCINITIFADDR. In ifioctl(), return EPERM if userland tries to
invoke SIOCINITIFADDR.

In ifioctl(), give the interface the first shot at handling most
interface ioctls, and give the protocol the second shot, instead
of the other way around. Finally, let compatibility code (COMPAT_OSOCK)
take a shot.

Pull device initialization out of switch statements under
SIOCINITIFADDR. For example, pull ..._init() out of any switch
statement that looks like this:

switch (...->sa_family) {
case ...:
..._init();
...
break;
...
default:
..._init();
...
break;
}

Rewrite many if-else clauses that handle all permutations of IFF_UP
and IFF_RUNNING to use a switch statement,

switch (x & (IFF_UP|IFF_RUNNING)) {
case 0:
...
break;
case IFF_RUNNING:
...
break;
case IFF_UP:
...
break;
case IFF_UP|IFF_RUNNING:
...
break;
}

unifdef lots of code containing #ifdef FreeBSD, #ifdef NetBSD, and
#ifdef SIOCSIFMTU, especially in fwip(4) and in ndis(4).

In ipw(4), remove an if_set_sadl() call that is out of place.

In nfe(4), reuse the jumbo MTU logic in ether_ioctl().

Let ethernets register a callback for setting h/w state such as
promiscuous mode and the multicast filter in accord with a change
in the if_flags: ether_set_ifflags_cb() registers a callback that
returns ENETRESET if the caller should reset the ethernet by calling
if_init(), 0 on success, != 0 on failure. Pull common code from
ex(4), gem(4), nfe(4), sip(4), tlp(4), vge(4) into ether_ioctl(),
and register if_flags callbacks for those drivers.

Return ENOTTY instead of EINVAL for inappropriate ioctls. In
zyd(4), use ENXIO instead of ENOTTY to indicate that the device is
not any longer attached.

Add to if_set_sadl() a boolean 'factory' argument that indicates
whether a link-layer address was assigned by the factory or some
other source. In a comment, recommend using the factory address
for generating an EUI64, and update in6_get_hw_ifid() to prefer a
factory address to any other link-layer address.

Add a routing message, RTM_LLINFO_UPD, that tells protocols to
update the binding of network-layer addresses to link-layer addresses.
Implement this message in IPv4 and IPv6 by sending a gratuitous
ARP or a neighbor advertisement, respectively. Generate RTM_LLINFO_UPD
messages on a change of an interface's link-layer address.

In ether_ioctl(), do not let SIOCALIFADDR set a link-layer address
that is broadcast/multicast or equal to 00:00:00:00:00:00.

Make ether_ioctl() call ifioctl_common() to handle ioctls that it
does not understand.

In gif(4), initialize if_softc and use it, instead of assuming that
the gif_softc and ifp overlap.

Let ifioctl_common() handle SIOCGIFADDR.

Sprinkle rtcache_invariants(), which checks on DIAGNOSTIC kernels
that certain invariants on a struct route are satisfied.

In agr(4), rewrite agr_ioctl_filter() to be a bit more explicit
about the ioctls that we do not allow on an agr(4) member interface.

bzero -> memset. Delete unnecessary casts to void *. Use
sockaddr_in_init() and sockaddr_in6_init(). Compare pointers with
NULL instead of "testing truth". Replace some instances of (type
*)0 with NULL. Change some K&R prototypes to ANSI C, and join
lines.
 1.51  28-Jun-2008  tsutsui branches: 1.51.2; 1.51.4;
Split softc/device_t, with misc cosmetic changes.
 1.50  17-Oct-2007  garbled branches: 1.50.16; 1.50.20; 1.50.22; 1.50.24;
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.
 1.49  06-Sep-2007  he Remove a now-unused local variable.
 1.48  01-Sep-2007  dyoung Change a bazillion occurrences of code resembling this,

error = (cmd == SIOCADDMULTI) ?
ether_addmulti(ifr, &sc->sc_ec) :
ether_delmulti(ifr, &sc->sc_ec);

if (error == ENETRESET) {

to this,

if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) {

which does the same thing.

(A bazillion is a very large number. This seems to make the i386
ALL kernel smaller by 3kB to 4kB.)

Use ifreq_getaddr() twice in es(4).

Whitespace nits.
 1.47  26-Aug-2007  dyoung branches: 1.47.2;
Constify.
 1.46  04-Mar-2007  tsutsui branches: 1.46.2; 1.46.10; 1.46.14; 1.46.18;
Use proper casts.
 1.45  04-Mar-2007  christos Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.44  11-Dec-2005  christos branches: 1.44.26;
merge ktrace-lwp.
 1.43  03-Jun-2005  tsutsui branches: 1.43.2;
Appease gcc -Wcast-qual by __UNVOLATILE().
 1.42  30-May-2005  tsutsui Avoid NULL pointer dereference in case of #if NBPFILTER == 0.
Closes PR port-sun3/21699.
 1.41  22-Jan-2005  chs branches: 1.41.6;
de-__P, remove register, ansify, b* -> mem*, u_int*_t -> uint*_t.
 1.40  30-Oct-2004  thorpej branches: 1.40.4;
When adding/deleting multicast addresses, only whack the address
filter if the interface is marked RUNNING.

Fixes kern/27678.
 1.39  15-Jul-2003  lukem branches: 1.39.2; 1.39.4;
__KERNEL_RCSID()
 1.38  20-Jan-2003  bouyer branches: 1.38.2;
bzero the part of the buffer used to pad the packet to
ETHER_MIN_LEN - ETHER_CRC_LEN.
 1.37  05-Sep-2001  tsutsui branches: 1.37.6; 1.37.16;
- bcopy() -> memcpy(), strcpy()
- bcmp() -> (static inline) ether_cmp()
- 6 -> ETHER_ADDR_LEN
 1.36  05-Sep-2001  tsutsui Remove register prefixes.
 1.35  15-Nov-2000  thorpej branches: 1.35.4;
Move bpfattach()/bpfdetach() calls into ether_ifattach()/ether_ifdetach().
 1.34  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).
 1.33  29-Jun-2000  mrg remove include of <vm/vm.h>. <vm/vm.h> -> <uvm/uvm_extern.h>
 1.32  20-Aug-1999  chs branches: 1.32.2;
fix typo in previous commit. fixes PR 7879.
 1.31  21-May-1999  thorpej Copy alignment fix from dev/ic/i82586.c (Um, this extra copy should die,
too, but at least it's not as bad as the podulebus ie driver).
 1.30  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.
 1.29  25-Mar-1999  thorpej branches: 1.29.4;
Use ETHER_*_LEN constants from <net/if_ether.h> instead of defining them
ourselves.
 1.28  01-Oct-1998  thorpej branches: 1.28.4;
Update for bcopy/bzero -> memcpy/memset changes.
 1.27  15-Aug-1998  mycroft Make copyright notices with my name consistent.
 1.26  05-Jul-1998  jonathan defopt NS, NSIP.
 1.25  05-Jul-1998  jonathan defopt INET, NETATALK.
 1.24  12-Jan-1998  thorpej Update for changes to config.
 1.23  05-Nov-1997  gwr Silence collisions
 1.22  28-Oct-1997  gwr Quiet down those "interrupt stuck?" messages.
 1.21  29-Jul-1997  fair branches: 1.21.6;
%x -> 0x%x, fixes for PR#3757
 1.20  15-Mar-1997  is New ARP system, supports IPv4 over any hardware link.

Some of the stuff (e.g., rarpd, bootpd, dhcpd etc., libsa) still will
only support Ethernet. Tcpdump itself should be ok, but libpcap needs
lot of work.

For the detailed change history, look at the commit log entries for
the is-newarp branch.
 1.19  10-Mar-1997  gwr Use the macros sc_if, sc_addr to avoid lots of references to sc_arpcom.
 1.18  28-Feb-1997  gwr Get rid of some printf noise.
 1.17  13-Feb-1997  gwr Reorganize/simplify the way the memory layout is done.
Update to the latest sys/dev/isa/if_ie.c (new ieget).
 1.16  17-Dec-1996  gwr branches: 1.16.6;
Make this compile with -Werror -Wall -Wstrict-prototypes
(finally! yea!) Also get rid of __BROKEN_INDIRECT_CONFIG
 1.15  30-Oct-1996  gwr Get rid of some cruft in the match function.
 1.14  13-Oct-1996  christos backout previous kprintf change
 1.13  11-Oct-1996  christos printf -> kprintf, sprintf -> ksprintf
 1.12  09-May-1996  thorpej Fix typo, noticed by Curt Sampson <curt@portal.ca>.
 1.11  07-May-1996  thorpej Changed struct ifnet to have a pointer to the softc of the underlying
device and a printable "external name" (name + unit number), thus eliminating
if_name and if_unit. Updated interface to (*if_watchdog)() and (*if_start)()
to take a struct ifnet *, rather than a unit number.
 1.10  26-Mar-1996  gwr Use the traditional names (*reg.h, *var.h)
 1.9  26-Mar-1996  gwr Take advantage of the new config attach stuff by
splitting out the obio and vme support code.
 1.8  17-Mar-1996  thorpej New device attachment scheme:

- split softc size and match/attach out from cfdriver into
a new struct cfattach.

- new "attach" directive for files.*. May specify the name of
the cfattach structure, so that devices may be easily attached
to parents with different autoconfiguration semantics.
 1.7  28-Feb-1996  gwr Kill a mis-matched and unnecessary declaration.
 1.6  24-Dec-1995  mycroft The IST_* and IPL_* constants are not bus-specific; don't treat them as such.
Change splimp -> splnet in Ethernet, ARCnet, and FDDI drivers.
 1.5  11-Apr-1995  mycroft Sync with the rest of the world.
 1.4  09-Apr-1995  gwr Sync with net/if.h changes
 1.3  26-Jan-1995  gwr Updated ie driver based on i386 version 1.30
 1.2  15-Dec-1994  gwr Fixes to make "ie" work (from Chuck Silvers -- Thanks!)
 1.1  12-Dec-1994  gwr New autoconfig interface to support VME, etc.
 1.16.6.5  13-Mar-1997  gwr Merge changes from the trunk
 1.16.6.4  10-Mar-1997  gwr Use sc_if ...
 1.16.6.3  10-Mar-1997  is netinet/if_ether.h => netinet/if_inarp.h
 1.16.6.2  06-Mar-1997  is Fix typo.
 1.16.6.1  06-Mar-1997  is Convert to new ARP version.
 1.21.6.2  05-Nov-1997  mellon Pull rev 1.23 up from trunk (gwr)
 1.21.6.1  29-Oct-1997  mellon Pull rev 1.22 up from trunk (gwr)
 1.28.4.1  11-Dec-1998  kenh The beginnings of interface detach support. Still some bugs, but mostly
works for me.

This work was originally by Bill Studenmund, and cleaned up by me.
 1.29.4.1  21-Jun-1999  thorpej Sync w/ -current.
 1.32.2.2  22-Nov-2000  bouyer Sync with HEAD.
 1.32.2.1  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.
 1.35.4.1  13-Sep-2001  thorpej Update the kqueue branch to HEAD.
 1.37.16.2  26-Oct-2005  riz Pull up following revision(s) (requested by tsutsui in ticket #5784):
sys/arch/sun3/dev/if_ie.c: revision 1.42
Avoid NULL pointer dereference in case of #if NBPFILTER == 0.
Closes PR port-sun3/21699.
 1.37.16.1  28-Jan-2003  jmc Pullup revisions 1.37-1.38 (requested by bouyer in ticket #1123)
bzero the part of the buffer used to pad the packet to
ETHER_MIN_LEN - ETHER_CRC_LEN.
 1.37.6.2  05-Sep-2001  tsutsui - bcopy() -> memcpy(), strcpy()
- bcmp() -> (static inline) ether_cmp()
- 6 -> ETHER_ADDR_LEN
 1.37.6.1  05-Sep-2001  tsutsui file if_ie.c was added on branch nathanw_sa on 2001-09-05 13:55:28 +0000
 1.38.2.6  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.38.2.5  24-Jan-2005  skrll Sync with HEAD.
 1.38.2.4  02-Nov-2004  skrll Sync with HEAD.
 1.38.2.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.38.2.2  18-Sep-2004  skrll Sync with HEAD.
 1.38.2.1  03-Aug-2004  skrll Sync with HEAD
 1.39.4.2  31-May-2005  riz Pull up revision 1.42 (requested by tsutsui in ticket #1874):
Avoid NULL pointer dereference in case of #if NBPFILTER == 0.
Closes PR port-sun3/21699.
 1.39.4.1  24-Jan-2005  he Pull up revision 1.40 (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.
 1.39.2.1  31-May-2005  riz Pull up revision 1.42 (requested by tsutsui in ticket #1874):
Avoid NULL pointer dereference in case of #if NBPFILTER == 0.
Closes PR port-sun3/21699.
 1.40.4.1  29-Apr-2005  kent sync with -current
 1.41.6.1  31-May-2005  snj Pull up revision 1.42 (requested by tsutsui in ticket #359):
Avoid NULL pointer dereference in case of #if NBPFILTER == 0.
Closes PR port-sun3/21699.
 1.43.2.2  27-Oct-2007  yamt sync with head.
 1.43.2.1  03-Sep-2007  yamt sync with head.
 1.44.26.1  12-Mar-2007  rmind Sync with HEAD.
 1.46.18.2  02-Oct-2007  joerg Sync with HEAD.
 1.46.18.1  03-Sep-2007  jmcneill Sync with HEAD.
 1.46.14.2  10-Sep-2007  skrll Sync with HEAD.
 1.46.14.1  03-Sep-2007  skrll Sync with HEAD.
 1.46.10.1  03-Oct-2007  garbled Sync with HEAD
 1.46.2.1  09-Oct-2007  ad Sync with head.
 1.47.2.1  06-Nov-2007  matt sync with HEAD
 1.50.24.1  03-Jul-2008  simonb Sync with head.
 1.50.22.1  18-Sep-2008  wrstuden Sync with wrstuden-revivesa-base-2.
 1.50.20.3  11-Aug-2010  yamt sync with head.
 1.50.20.2  11-Mar-2010  yamt sync with head
 1.50.20.1  04-May-2009  yamt sync with head.
 1.50.16.2  17-Jan-2009  mjf Sync with HEAD.
 1.50.16.1  29-Jun-2008  mjf Sync with HEAD.
 1.51.4.2  28-Apr-2009  skrll Sync with HEAD.
 1.51.4.1  19-Jan-2009  skrll Sync with HEAD.
 1.51.2.1  13-Dec-2008  haad Update haad-dm branch to haad-dm-base2.
 1.52.4.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.54.4.1  30-May-2010  rmind sync with head
 1.54.2.1  30-Apr-2010  uebayasi Sync with HEAD.
 1.55.36.5  28-Aug-2017  skrll Sync with HEAD
 1.55.36.4  05-Feb-2017  skrll Sync with HEAD
 1.55.36.3  09-Jul-2016  skrll Sync with HEAD
 1.55.36.2  19-Mar-2016  skrll Sync with HEAD
 1.55.36.1  06-Jun-2015  skrll Sync with HEAD
 1.55.18.1  03-Dec-2017  jdolecek update from HEAD
 1.59.2.2  20-Mar-2017  pgoyette Sync with HEAD
 1.59.2.1  07-Jan-2017  pgoyette Sync with HEAD. (Note that most of these changes are simply $NetBSD$
tag issues.)
 1.61.2.1  21-Apr-2017  bouyer Sync with HEAD
 1.62.12.3  06-Sep-2018  pgoyette Sync with HEAD

Resolve a couple of conflicts (result of the uimin/uimax changes)
 1.62.12.2  28-Jul-2018  pgoyette Sync with HEAD
 1.62.12.1  25-Jun-2018  pgoyette Sync with HEAD
 1.62.6.2  31-Jul-2018  martin Pull up following revision(s) (requested by msaitoh in ticket #948):

sys/arch/sun3/dev/if_ie.c: revision 1.64

Remove bpf_tap() in iexmit() because ie_start() does bpf_mtap().
 1.62.6.1  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.
 1.65.2.2  08-Apr-2020  martin Merge changes from current as of 20200406
 1.65.2.1  10-Jun-2019  christos Sync with HEAD
 1.70.4.1  29-Feb-2020  ad Sync with head.

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