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History log of /src/sys/dev/pci/if_txp.c
RevisionDateAuthorComments
 1.76  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
 1.75  10-Feb-2024  andvar s/alloted/allotted/ in comments.
 1.74  20-Dec-2023  thorpej Remove unnecessary <sys/malloc.h>.
 1.73  10-Mar-2020  thorpej On NetBSD it's spelled "__NO_STRICT_ALIGNMENT". Adjust txp_rx_reclaim()
accordingly and structure it like other NetBSD drivers so as to re-use
the original Rx buffer rather than doing a needless free/alloc cycle.

Note this happened to work previously on my Qube2 because IP, TCP, etc.
perform their own alignment checks and react accordingly. However, it's
not clear that ALL protocols do this yet, so it's better to just do the
safe thing for now.
 1.72  10-Mar-2020  thorpej - Add support for MBUFTRACE.
- Fix an mbuf leak I introduced in rev 1.68 (failed to increment "cnt"
variable in txp_start(), which subsequently caused txp_tx_reclaim()
to never run).
- Use the context address pointer in the Tx descriptor to stash the
pointer to the Tx job software state in a manner like that which
is used for Rx software state.
 1.71  09-Mar-2020  thorpej Add an assertion.
 1.70  09-Mar-2020  thorpej Now that we're allocating rx software state from a fixed pool, we
don't have to round-trip pointers in a sketchy way -- we can round-
trip indices.
 1.69  09-Mar-2020  thorpej Allocate a static set of receive software state descriptors at attach
time, and create a simple allocator for them for use by the rx reclaim
handlers. Don't create and destroy DMA maps for receoive buffers
in the interrupt handlers -- just use the maps that are created at
attach time.
 1.68  08-Mar-2020  thorpej Give each Tx DMA map 16 DMA segments rather than the previous absurdly large
number, and structure the loop in txp_start() similarly to other drivers
(e.g. ste_start() in the ste(4) driver). Similar in spirit to OpenBSD's
rev 1.126, but implemented a bit differently.
 1.67  08-Mar-2020  thorpej Upgrade to newer firmware needed by some txp(4) variants.
From FreeBSD via OpenBSD.
 1.66  08-Mar-2020  thorpej Follow the example of the MII code and don't register the half-duplex
versions of each media type.
 1.65  08-Mar-2020  thorpej - Use BUS_ADDR_{LO,HI}32(), and rather than forcing the descriptor
DMA addresses into a 64-bit value (and thus using 64-bit shifts
when unnecessary), just reference the address from the DMA map
directly.
- Add some missing byte-swaps.
 1.64  29-Feb-2020  thorpej Use the 64-bit PCI DMA tag, if available.
 1.63  30-Jan-2020  thorpej Adopt <net/if_stats.h>.
 1.62  06-Dec-2019  maxv branches: 1.62.2;
localify
 1.61  10-Nov-2019  chs in many device attach paths, allocate memory with M_WAITOK instead of M_NOWAIT
and remove code to handle failures that can no longer happen.
 1.60  30-Oct-2019  msaitoh if_percpuq(9) automatically increments if_ipackets, so don't add number of
RX frames from device's statistics counter to if_ipackets to avoid double
count.
 1.59  09-Jul-2019  msaitoh branches: 1.59.2;
Don't automatically set ec_capenable's ETHERCAP_VLAN_HWTAGGING bit in
vlan_config() to make it user-controllable. Instead, set the bit in
xxx_attach().
 1.58  20-Jun-2019  msaitoh Fix panic on attach. This bug was added in rev. 1.56. I think it's not
required to call txp_set_filter() in the attach function.
 1.57  29-May-2019  msaitoh Even if we don't use MII(4), use the common path of SIOC[GS]IFMEDIA in
sys/net/if_ethersubr.c if we can.
- Add ec_ifmedia into struct ethercom.
- ec_mii in struct ethercom is kept and used as it is. It might be used in
future. Note that some Ethernet drivers which _DOESN'T_ use mii(4) use
ec_mii for keeping the if_media. Those should be changed in future.
 1.56  28-May-2019  msaitoh Use ETHER_LOCK()/ETHER_UNLOCK() for all ethernet drivers to protect ec_multi*.
 1.55  23-May-2019  msaitoh No functional change:
- Change ac(was arpcom) to ec(ethercom)
- Simplify MII structure initialization.
- u_int*_t -> uint*_t.
- KNF
 1.54  07-May-2019  msaitoh - Use bus_dmamem_unmap() correctly in txp_dma_free() to prevent panic.
The code was wrong since rev. 1.1. This panic was found by adding KASSERT
in uvm_map.c rev. 1.351. This bug may be related to PR kern/26204.
- Use aprint_normal() for non-error message.
 1.53  26-Apr-2019  msaitoh No functional change:
- u_int_{8,16,32}_t -> uint_{8,16,32}_t
- KNF.
- Tabify.
- Remove extra space.
 1.52  11-Apr-2019  msaitoh Fix a bug that the duplex of manual media setting may be wrong
when the IFM_GMASK bit other than IFM_[FH]DX is set.
 1.51  09-Dec-2018  jdolecek use pci_intr_establish_xname() everywhere
 1.50  25-Jul-2018  msaitoh Initialize some members in a mbuf which is on stack.
 1.49  26-Jun-2018  msaitoh branches: 1.49.2;
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.
 1.48  26-Sep-2017  knakahara branches: 1.48.2;
VLAN ID uses pkthdr instead of mtag now. Contributed by s-yamaguchi@IIJ.

I just commit by proxy. Reviewed by joerg@n.o and christos@n.o, thanks.
See http://mail-index.netbsd.org/tech-net/2017/09/26/msg006459.html

XXX need pullup to -8 branch
 1.47  15-Dec-2016  ozaki-r branches: 1.47.8;
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
 1.46  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.
 1.45  14-Jul-2016  msaitoh branches: 1.45.2;
- Use aprint*() more in xxx_attach().
- Add missing aprint_naive("\n").
- Remove extra spaces and tabs.
- KNF.
 1.44  14-Jul-2016  msaitoh - Use aprint*() instead of printf() in xxx_attach().
- Add missing aprint_naive("\n");
- KNF
 1.43  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.
 1.42  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!
 1.41  16-Jun-2014  msaitoh branches: 1.41.4;
IFM_FDX and IFM_HDX use different bit, so set IFM_HDX bit if it's not full
duplex. For many drivers, it recognize half duplex if IFM_FDX isn't set,
but not for others. Same as {Free|Open}BSD.
 1.40  29-Mar-2014  christos branches: 1.40.2;
make pci_intr_string and eisa_intr_string take a buffer and a length
instead of relying in local static storage.
 1.39  27-Oct-2012  chs branches: 1.39.2;
split device_t/softc for all remaining drivers.
replace "struct device *" with "device_t".
use device_xname(), device_unit(), etc.
 1.38  13-Nov-2010  uebayasi branches: 1.38.8; 1.38.14; 1.38.18;
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.
 1.37  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.
 1.36  19-Jan-2010  pooka branches: 1.36.2; 1.36.4;
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.
 1.35  27-Sep-2009  tsutsui Replace shutdownhook_establish(9) with pmf_device_register1(9).
Compile test only.
 1.34  18-Apr-2009  tsutsui Remove extra whitespace added by a stupid tool.
XXX: more in src/sys/arch
 1.33  18-Mar-2009  cegger bcopy -> memcpy
 1.32  18-Mar-2009  cegger bzero -> memset
 1.31  18-Mar-2009  cegger bcmp -> memcmp
 1.30  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.
 1.29  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.)
 1.28  16-Feb-2009  cegger fix media priorities:

IEEE 802.3 Annex 28B.3 specifies the following relative
priorities of the technologies supported by
802.3 Selector Field value:

1000BASE-T full duplex
1000BASE-T
100BASE-T2 full duplex
100BASE-TX full duplex
100BASE-T2
100BASE-T4
100BASE-TX
10BASE-T full duplex
10BAST-T

Our drivers give 100BASE-T4 a higher priority than
100BASE-TX full duplex.
Fix this. This patch is based on changes in FreeBSD and OpenBSD.

Patch presented on tech-kern and tech-net:
http://mail-index.netbsd.org/tech-kern/2009/02/15/msg004397.html
http://mail-index.netbsd.org/tech-net/2009/02/15/msg001064.html

got no comments, no objections.
 1.27  07-Nov-2008  dyoung branches: 1.27.4;
*** 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.
 1.26  10-Apr-2008  cegger branches: 1.26.4; 1.26.10; 1.26.12; 1.26.14; 1.26.18;
use aprint_*_dev and device_xname
 1.25  09-Apr-2008  dyoung Use device_t and accessors. Use cfdata_t and __arraycount().
Miscellaneous cosmetic changes.
 1.24  09-Apr-2008  dyoung s/pcimatch/match/ to avoid conflict with a global name.
 1.23  07-Feb-2008  dyoung branches: 1.23.6;
Start patching up the kernel so that a network driver always has
the opportunity to handle an ioctl before generic ifioctl handling
occurs. This will ease extending the kernel and sharing of code
between drivers.

First steps: Make the signature of ifioctl_common() match struct
ifinet->if_ioctl. Convert SIOCSIFCAP and SIOCSIFMTU to the new
ifioctl() regime, throughout the kernel.
 1.22  19-Oct-2007  ad branches: 1.22.2;
machine/{bus,cpu,intr}.h -> sys/{bus,cpu,intr}.h
 1.21  01-Sep-2007  dyoung branches: 1.21.4;
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.
 1.20  09-Jul-2007  ad branches: 1.20.2; 1.20.6; 1.20.8;
Merge some of the less invasive changes from the vmlocking branch:

- kthread, callout, devsw API changes
- select()/poll() improvements
- miscellaneous MT safety improvements
 1.19  04-Mar-2007  christos branches: 1.19.2; 1.19.4;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.18  16-Nov-2006  christos branches: 1.18.4;
__unused removal on arguments; approved by core.
 1.17  04-Nov-2006  tsutsui Remove vtophys (in comment).
 1.16  12-Oct-2006  christos - sprinkle __unused on function decls.
- fix a couple of unused bugs
- no more -Wno-unused for i386
 1.15  14-Apr-2006  christos branches: 1.15.8; 1.15.10;
Coverity CID 2314: Free memory if we fail to allocate rings.
 1.14  28-Dec-2005  christos branches: 1.14.4; 1.14.6; 1.14.8; 1.14.10; 1.14.12;
We don't have access to in_cksum() if no INET.
 1.13  11-Dec-2005  christos merge ktrace-lwp.
 1.12  18-Jun-2005  chs branches: 1.12.2;
adapt to const/volatile changes.
 1.11  02-May-2005  yamt split IFCAP_CSUM_xxx to IFCAP_CSUM_xxx_Rx and IFCAP_CSUM_xxx_Tx.
 1.10  27-Feb-2005  perry branches: 1.10.2;
nuke trailing whitespace
 1.9  20-Feb-2005  jdolecek use VLAN_* macros for VLAN tag extraction/addition
 1.8  30-Oct-2004  thorpej branches: 1.8.4; 1.8.6;
When adding/deleting multicast addresses, only whack the address
filter if the interface is marked RUNNING.

Fixes kern/27678.
 1.7  01-Jul-2004  is disestablish the interupt if we fail to (among other things) download
the firmware successfully. This prevents the kernel from crashing later
at interupt enable time, if firmware download fails like with my 3c990B
card.
 1.6  23-Apr-2004  itojun pass string length (= boundary info) to pci_devinfo so that we do not run over
the end of memory region
 1.5  27-Oct-2003  thorpej branches: 1.5.2;
- Change callout_setfunc() to require that the callout handle is already
initialized. Update the txp(4) to compensate.
- Statically initialize the TCP timer callout handles in the tcpcb
template. We still use callout_setfunc(), but that call is now much
less expensive. Add a comment that the compiler is likely to unroll
the loop (so don't sweat that it's there).
 1.4  20-Aug-2003  drochner make the vlan stuff work
 1.3  14-Jul-2003  lukem add missing __KERNEL_RCSID()
 1.2  07-Jul-2003  drochner some cleanup/fixes:
-get boot messages to NetBSD's standards (ie at least 3 lines)
-get some card information from PCI ID and subsystem ID
-fix media handling and link reporting for fiber cards
-port cksum offloading to NetBSD and enable as far as appropriate
(TCP/UDP transmit offloading still disabled, as in OpenBSD)
 1.1  01-Jul-2003  drochner branches: 1.1.2;
VERY quick and VERY dirty port of the OpenBSD "txp" driver for
3Com 3C(R)990 cards. No TCP/UDP nor IPSEC offloading for now.
The ifmedia part needs some work, but I only have a 100-FX card;
hopefully someone will clean this up.
 1.1.2.6  10-Nov-2005  skrll Sync with HEAD. Here we go again...
 1.1.2.5  04-Mar-2005  skrll Sync with HEAD.

Hi Perry!
 1.1.2.4  02-Nov-2004  skrll Sync with HEAD.
 1.1.2.3  21-Sep-2004  skrll Fix the sync with head I botched.
 1.1.2.2  18-Sep-2004  skrll Sync with HEAD.
 1.1.2.1  03-Aug-2004  skrll Sync with HEAD
 1.5.2.1  10-Jul-2004  tron branches: 1.5.2.1.2;
Pull up revision 1.7 (requested by is in ticket #626):
disestablish the interupt if we fail to (among other things) download
the firmware successfully. This prevents the kernel from crashing later
at interupt enable time, if firmware download fails like with my 3c990B
card.
 1.5.2.1.2.1  24-Jan-2005  he Pull up revision 1.8 (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.
 1.8.6.1  19-Mar-2005  yamt sync with head. xen and whitespace. xen part is not finished.
 1.8.4.1  29-Apr-2005  kent sync with -current
 1.10.2.1  28-Oct-2005  jmc Pullup (requested by chs in ticket #912)
Fix txp cards so this compiles and enable in GENERIC.
 1.12.2.5  11-Feb-2008  yamt sync with head.
 1.12.2.4  27-Oct-2007  yamt sync with head.
 1.12.2.3  03-Sep-2007  yamt sync with head.
 1.12.2.2  30-Dec-2006  yamt sync with head.
 1.12.2.1  21-Jun-2006  yamt sync with head.
 1.14.12.1  24-May-2006  tron Merge 2006-05-24 NetBSD-current into the "peter-altq" branch.
 1.14.10.1  19-Apr-2006  elad sync with head.
 1.14.8.1  24-May-2006  yamt sync with head.
 1.14.6.1  22-Apr-2006  simonb Sync with head.
 1.14.4.1  09-Sep-2006  rpaulo sync with head
 1.15.10.2  10-Dec-2006  yamt sync with head.
 1.15.10.1  22-Oct-2006  yamt sync with head
 1.15.8.1  18-Nov-2006  ad Sync with head.
 1.18.4.1  12-Mar-2007  rmind Sync with HEAD.
 1.19.4.1  11-Jul-2007  mjf Sync with head.
 1.19.2.3  23-Oct-2007  ad Sync with head.
 1.19.2.2  09-Oct-2007  ad Sync with head.
 1.19.2.1  01-Jul-2007  ad Adapt to callout API change.
 1.20.8.2  23-Mar-2008  matt sync with HEAD
 1.20.8.1  06-Nov-2007  matt sync with HEAD
 1.20.6.2  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.
 1.20.6.1  03-Sep-2007  jmcneill Sync with HEAD.
 1.20.2.1  03-Sep-2007  skrll Sync with HEAD.
 1.21.4.1  25-Oct-2007  bouyer Sync with HEAD.
 1.22.2.1  18-Feb-2008  mjf Sync with HEAD.
 1.23.6.2  17-Jan-2009  mjf Sync with HEAD.
 1.23.6.1  02-Jun-2008  mjf Sync with HEAD.
 1.26.18.1  21-Apr-2010  matt sync to netbsd-5
 1.26.14.1  01-May-2009  snj Pull up following revision(s) (requested by cegger in ticket #474):
sys/dev/mii/inphy.c: revision 1.51
sys/dev/mii/iophy.c: revision 1.35
sys/dev/mii/nsphy.c: revision 1.56
sys/dev/mii/rlphy.c: revision 1.25
sys/dev/mii/ukphy_subr.c: revision 1.11
sys/dev/pci/if_txp.c: revision 1.28
fix media priorities:
IEEE 802.3 Annex 28B.3 specifies the following relative
priorities of the technologies supported by
802.3 Selector Field value:
1000BASE-T full duplex
1000BASE-T
100BASE-T2 full duplex
100BASE-TX full duplex
100BASE-T2
100BASE-T4
100BASE-TX
10BASE-T full duplex
10BAST-T
Our drivers give 100BASE-T4 a higher priority than
100BASE-TX full duplex.
Fix this. This patch is based on changes in FreeBSD and OpenBSD.
Patch presented on tech-kern and tech-net:
http://mail-index.netbsd.org/tech-kern/2009/02/15/msg004397.html
http://mail-index.netbsd.org/tech-net/2009/02/15/msg001064.html
got no comments, no objections.
 1.26.12.3  28-Apr-2009  skrll Sync with HEAD.
 1.26.12.2  03-Mar-2009  skrll Sync with HEAD.
 1.26.12.1  19-Jan-2009  skrll Sync with HEAD.
 1.26.10.1  13-Dec-2008  haad Update haad-dm branch to haad-dm-base2.
 1.26.4.3  11-Aug-2010  yamt sync with head.
 1.26.4.2  11-Mar-2010  yamt sync with head
 1.26.4.1  04-May-2009  yamt sync with head.
 1.27.4.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.36.4.2  05-Mar-2011  rmind sync with head
 1.36.4.1  30-May-2010  rmind sync with head
 1.36.2.1  30-Apr-2010  uebayasi Sync with HEAD.
 1.38.18.3  03-Dec-2017  jdolecek update from HEAD
 1.38.18.2  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.38.18.1  20-Nov-2012  tls Resync to 2012-11-19 00:00:00 UTC
 1.38.14.1  09-Nov-2014  martin Pull up following revision(s) (requested by msaitoh in ticket #1189):
sys/dev/pci/if_wm.c: revision 1.270
sys/dev/mii/inphy.c: revision 1.53
sys/dev/mii/glxtphy.c: revision 1.24
sys/dev/mii/tlphy.c: revision 1.62
sys/dev/mii/iophy.c: revision 1.37
sys/dev/mii/brgphy.c: revision 1.70
sys/dev/mii/ihphy.c: revision 1.8
sys/dev/mii/bmtphy.c: revision 1.31
sys/dev/mii/urlphy.c: revision 1.30
sys/dev/mii/makphy.c: revision 1.40
sys/dev/mii/qsphy.c: revision 1.48
sys/dev/mii/igphy.c: revision 1.23
sys/dev/mii/nsphy.c: revision 1.58
sys/dev/mii/mvphy.c: revision 1.10
sys/dev/pci/if_txp.c: revision 1.41
sys/dev/mii/nsphy.c: revision 1.59
sys/dev/mii/rlphy.c: revision 1.28
sys/dev/mii/icsphy.c: revision 1.49
sys/dev/mii/rlphy.c: revision 1.29
sys/dev/mii/lxtphy.c: revision 1.49
sys/dev/mii/ciphyreg.h: revision 1.5
sys/dev/mii/nsphyter.c: revision 1.38
sys/dev/mii/sqphy.c: revision 1.50
sys/dev/mii/gentbi.c: revision 1.26
sys/dev/mii/gentbi.c: revision 1.27
sys/dev/mii/tqphy.c: revision 1.39
sys/dev/mii/ikphy.c: revision 1.10
sys/dev/mii/dmphy.c: revision 1.35
sys/dev/mii/amhphy.c: revision 1.20
sys/dev/mii/acphy.c: revision 1.24
sys/dev/mii/ciphy.c: revision 1.25
sys/dev/mii/brgphyreg.h: revision 1.8
sys/dev/mii/ukphy_subr.c: revision 1.12
sys/dev/ic/rtl80x9.c: revision 1.16
sys/arch/mips/adm5120/dev/if_admsw.c: revision 1.12
sys/dev/pci/if_kse.c: revision 1.28
sys/dev/mii/ukphy_subr.c: revision 1.13
sys/dev/mii/mii.h: revision 1.18
sys/dev/mii/gphyter.c: revision 1.29
No functional change:
- Fix typo.
- Remove trailing white spaces.
- Capitalize comments.
- Tabify.
- KNF.
IFM_FDX and IFM_HDX use different bit, so set IFM_HDX bit if it's not full
duplex. For many drivers, it recognize half duplex if IFM_FDX isn't set,
but not for others. Same as {Free|Open}BSD.
 1.38.8.2  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")
 1.38.8.1  30-Oct-2012  yamt sync with head
 1.39.2.1  18-May-2014  rmind sync with head
 1.40.2.1  10-Aug-2014  tls Rebase.
 1.41.4.4  05-Feb-2017  skrll Sync with HEAD
 1.41.4.3  05-Oct-2016  skrll Sync with HEAD
 1.41.4.2  09-Jul-2016  skrll Sync with HEAD
 1.41.4.1  19-Mar-2016  skrll Sync with HEAD
 1.45.2.1  07-Jan-2017  pgoyette Sync with HEAD. (Note that most of these changes are simply $NetBSD$
tag issues.)
 1.47.8.3  06-Nov-2019  martin Pull up following revision(s) (requested by msaitoh in ticket #1427):

sys/arch/arm/broadcom/bcm53xx_eth.c: revision 1.39
sys/dev/pcmcia/if_xi.c: revision 1.91
sys/dev/ic/aic6915.c: revision 1.40
sys/dev/pci/if_tl.c: revision 1.117
sys/arch/arm/gemini/gemini_gmac.c: revision 1.18
sys/dev/ic/elinkxl.c: revision 1.133
sys/dev/pci/if_ste.c: revision 1.57
sys/dev/pci/if_alc.c: revision 1.43
sys/dev/pci/if_stge.c: revision 1.72
sys/dev/pci/if_ale.c: revision 1.34
sys/dev/pci/if_age.c: revision 1.62
sys/dev/pci/if_txp.c: revision 1.60
sys/dev/ic/i82557.c: revision 1.156
sys/dev/pci/if_vte.c: revision 1.27
sys/arch/powerpc/booke/dev/pq3etsec.c: revision 1.47
sys/arch/arm/gemini/if_gpn.c: revision 1.13

if_percpuq(9) and ether_input() automatically increment if_ipackets, so don't add number of
RX frames from device's statistics counter to if_ipackets to avoid double
count.
 1.47.8.2  13-May-2019  martin Pull up the following, via patch, requested by msaitoh in ticket #1263:

sys/dev/mii/brgphy.c 1.84
sys/dev/mii/ciphy.c 1.33 via patch
sys/dev/mii/rgephy.c 1.53
sys/arch/arm/imx/if_enet.c 1.18
sys/arch/mips/adm5120/dev/if_admsw.c 1.19-1.20
sys/dev/pci/if_bge.c 1.329
sys/dev/pci/if_bnx.c 1.81
sys/dev/pci/if_et.c 1.21
sys/dev/pci/if_lii.c 1.22
sys/dev/pci/if_msk.c 1.87
sys/dev/pci/if_nfe.c 1.68
sys/dev/pci/if_sk.c 1.95
sys/dev/pci/if_ti.c 1.107
sys/dev/pci/if_txp.c 1.52
sys/dev/pci/if_vge.c 1.69
sys/dev/usb/if_axen.c 1.38
sys/dev/usb/if_aue.c 1.149

Fix a bug that the duplex of manual media setting may be wrong
when the IFM_GMASK bit other than IFM_[FH]DX is set.
 1.47.8.1  24-Oct-2017  snj Pull up following revision(s) (requested by knakahara in ticket #302):
sys/arch/powerpc/booke/dev/pq3etsec.c: 1.30-1.31
sys/arch/x86/pci/if_vmx.c: 1.20
sys/dev/ic/i82557.c: 1.148
sys/dev/ic/rtl8169.c: 1.152
sys/dev/pci/cxgb/cxgb_sge.c: 1.5
sys/dev/pci/if_age.c: 1.51
sys/dev/pci/if_alc.c: 1.25
sys/dev/pci/if_ale.c: 1.23
sys/dev/pci/if_bge.c: 1.311
sys/dev/pci/if_bge.c: 1.312
sys/dev/pci/if_bnx.c: 1.62
sys/dev/pci/if_jme.c: 1.32
sys/dev/pci/if_nfe.c: 1.64
sys/dev/pci/if_sip.c: 1.167
sys/dev/pci/if_stge.c: 1.63-1.64
sys/dev/pci/if_ti.c: 1.102
sys/dev/pci/if_txp.c: 1.48
sys/dev/pci/if_vge.c: 1.61
sys/dev/pci/if_wm.c: 1.538
sys/dev/pci/ixgbe/ix_txrx.c: 1.29 via patch
sys/net/agr/if_agrether_hash.c: 1.4
sys/net/if_ether.h: 1.67-1.68
sys/net/if_ethersubr.c: 1.244
sys/net/if_vlan.c: 1.100
sys/net80211/ieee80211_input.c: 1.89
sys/net80211/ieee80211_output.c: 1.59
sys/sys/mbuf.h: 1.171
VLAN ID uses pkthdr instead of mtag now. Contributed by s-yamaguchi@IIJ.
I just commit by proxy. Reviewed by joerg@n.o and christos@n.o, thanks.
See http://mail-index.netbsd.org/tech-net/2017/09/26/msg006459.html
--
only get vtag when we have vtag like the other drivers.
--
- only get the vtag if we have it like the other drivers
- mask the hardware vlan tag
--
- add a constant for the vlan mask.
- enforce that we have a tag before we get it.
only get vtag when we have vtag like the other drivers.
like if_bge.c:1.312 and if_stge.c:1.64.
fixed by s-yamaguchi@IIJ, thanks.
 1.48.2.2  26-Dec-2018  pgoyette Sync with HEAD, resolve a few conflicts
 1.48.2.1  28-Jul-2018  pgoyette Sync with HEAD
 1.49.2.2  13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.49.2.1  10-Jun-2019  christos Sync with HEAD
 1.59.2.1  06-Nov-2019  martin Pull up following revision(s) (requested by msaitoh in ticket #403):

sys/arch/arm/broadcom/bcm53xx_eth.c: revision 1.39
sys/dev/pcmcia/if_xi.c: revision 1.91
sys/dev/ic/aic6915.c: revision 1.40
sys/dev/pci/if_tl.c: revision 1.117
sys/arch/arm/gemini/gemini_gmac.c: revision 1.18
sys/dev/ic/elinkxl.c: revision 1.133
sys/dev/pci/if_ste.c: revision 1.57
sys/dev/pci/if_alc.c: revision 1.43
sys/dev/pci/if_stge.c: revision 1.72
sys/dev/pci/if_ale.c: revision 1.34
sys/dev/pci/if_age.c: revision 1.62
sys/dev/pci/if_txp.c: revision 1.60
sys/dev/ic/i82557.c: revision 1.156
sys/dev/pci/if_vte.c: revision 1.27
sys/arch/powerpc/booke/dev/pq3etsec.c: revision 1.47
sys/arch/arm/gemini/if_gpn.c: revision 1.13

if_percpuq(9) and ether_input() automatically increment if_ipackets, so don't add number of
RX frames from device's statistics counter to if_ipackets to avoid double
count.
 1.62.2.1  29-Feb-2020  ad Sync with head.

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