MFC r268221 and r268222:
- Remove some unused variables.
- Add proper rangechecks in "axge_rx_frame()" function and
fix receive loop header parsing.
- Add new USB IDs.

Approved by: re, gjb @
PR: 191432

Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

MFC: r243857 (partial)

Mechanically substitute flags from historic mbuf allocator with
malloc(9) flags in sys/dev.

Toss bogus mergeinfo.

MFC r235634

Fix and update battery status bits according to linux driver

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

- Remove attempts to implement setting of BMCR_LOOP/MIIF_NOLOOP
(reporting IFM_LOOP based on BMCR_LOOP is left in place though as
it might provide useful for debugging). For most mii(4) drivers it
was unclear whether the PHYs driven by them actually support
loopback or not. Moreover, typically loopback mode also needs to
be activated on the MAC, which none of the Ethernet drivers using
mii(4) implements. Given that loopback media has no real use (and
obviously hardly had a chance to actually work) besides for driver
development (which just loopback mode should be sufficient for
though, i.e one doesn't necessary need support for loopback media)
support for it is just dropped as both NetBSD and OpenBSD already
did quite some time ago.
- Let mii_phy_add_media() also announce the support of IFM_NONE.
- Restructure the PHY entry points to use a structure of entry points
instead of discrete function pointers, and extend this to include
a "reset" entry point. Make sure any PHY-specific reset routine is
always used, and provide one for lxtphy(4) which disables MII
interrupts (as is done for a few other PHYs we have drivers for).
This includes changing NIC drivers which previously just called the
generic mii_phy_reset() to now actually call the PHY-specific reset
routine, which might be crucial in some cases. While at it, the
redundant checks in these NIC drivers for mii->mii_instance not being
zero before calling the reset routines were removed because as soon
as one PHY driver attaches mii->mii_instance is incremented and we
hardly can end up in their media change callbacks etc if no PHY driver
has attached as mii_attach() would have failed in that case and not
attach a miibus(4) instance.
Consequently, NIC drivers now no longer should call mii_phy_reset()
directly, so it was removed from EXPORT_SYMS.
- Add a mii_phy_dev_attach() as a companion helper to mii_phy_dev_probe().
The purpose of that function is to perform the common steps to attach
a PHY driver instance and to hook it up to the miibus(4) instance and to
optionally also handle the probing, addition and initialization of the
supported media. So all a PHY driver without any special requirements
has to do in its bus attach method is to call mii_phy_dev_attach()
along with PHY-specific MIIF_* flags, a pointer to its PHY functions
and the add_media set to one. All PHY drivers were updated to take
advantage of mii_phy_dev_attach() as appropriate. Along with these
changes the capability mask was added to the mii_softc structure so
PHY drivers taking advantage of mii_phy_dev_attach() but still
handling media on their own do not need to fiddle with the MII attach
arguments anyway.
- Keep track of the PHY offset in the mii_softc structure. This is done
for compatibility with NetBSD/OpenBSD.
- Keep track of the PHY's OUI, model and revision in the mii_softc
structure. Several PHY drivers require this information also after
attaching and previously had to wrap their own softc around mii_softc.
NetBSD/OpenBSD also keep track of the model and revision on their
mii_softc structure. All PHY drivers were updated to take advantage
as appropriate.
- Convert the mebers of the MII data structure to unsigned where
appropriate. This is partly inspired by NetBSD/OpenBSD.
- According to IEEE 802.3-2002 the bits actually have to be reversed
when mapping an OUI to the MII ID registers. All PHY drivers and
miidevs where changed as necessary. Actually this now again allows to
largely share miidevs with NetBSD, which fixed this problem already
9 years ago. Consequently miidevs was synced as far as possible.
- Add MIIF_NOMANPAUSE and mii_phy_flowstatus() calls to drivers that
weren't explicitly converted to support flow control before. It's
unclear whether flow control actually works with these but typically
it should and their net behavior should be more correct with these
changes in place than without if the MAC driver sets MIIF_DOPAUSE.

Obtained from: NetBSD (partially)
Reviewed by: yongari (earlier version), silence on arch@ and net@

Converted the remainder of the NIC drivers to use the mii_attach()
introduced in r213878 instead of mii_phy_probe(). Unlike r213893 these
are only straight forward conversions though.

Reviewed by: yongari

Use if_maddr_rlock()/if_maddr_runlock() rather than IF_ADDR_LOCK()/
IF_ADDR_UNLOCK() across network device drivers when accessing the
per-interface multicast address list, if_multiaddrs. This will
allow us to change the locking strategy without affecting our driver
programming interface or binary interface.

For two wireless drivers, remove unnecessary locking, since they
don't actually access the multicast address list.

Approved by: re (kib)
MFC after: 6 weeks

Fix shutdown prototypes.

Use the parent device's DMA tag when creating our own DMA tags. This fixes
a panic on sparc64.

Reviewed by: Florian Smeets flo kasimir.com

Make tx(4) MPSAFE
- Add a mutex to the softc to protect the softc and device hardware.
- Use a private timer to implement a watchdog for tx timeouts and drive
the timer for auto negotiation.
- Use bus_foo() rather than bus_space_foo() and remove the bus space
tag & handle from the softc.
- Call bus_setup_intr() after ether_ifattach().

Tested by: Florian Smeets flo of kasimir.com

o break newbus api: add a new argument of type driver_filter_t to
bus_setup_intr()

o add an int return code to all fast handlers

o retire INTR_FAST/IH_FAST

For more info: http://docs.freebsd.org/cgi/getmsg.cgi?fetch=465712+0+current/freebsd-current

Reviewed by: many
Approved by: re@

Since DELAY() was moved, most <machine/clock.h> #includes have been
unnecessary.

Do not touch ifp->if_baudrate in miibus aware drivers.

Convert to ANSI C function declarations.

MFC after: 1 week

- Store pointer to the link-level address right in "struct ifnet"
rather than in ifindex_table[]; all (except one) accesses are
through ifp anyway. IF_LLADDR() works faster, and all (except
one) ifaddr_byindex() users were converted to use ifp->if_addr.

- Stop storing a (pointer to) Ethernet address in "struct arpcom",
and drop the IFP2ENADDR() macro; all users have been converted
to use IF_LLADDR() instead.

Make sure that we call if_free(ifp) after bus_teardown_intr. Since we
could get an interrupt after we free the ifp, and the interrupt
handler depended on the ifp being still alive, this could, in theory,
cause a crash. Eliminate this possibility by moving the if_free to
after the bus_teardown_intr() call.

Propagate rename of IFF_OACTIVE and IFF_RUNNING to IFF_DRV_OACTIVE and
IFF_DRV_RUNNING, as well as the move from ifnet.if_flags to
ifnet.if_drv_flags. Device drivers are now responsible for
synchronizing access to these flags, as they are in if_drv_flags. This
helps prevent races between the network stack and device driver in
maintaining the interface flags field.

Many __FreeBSD__ and __FreeBSD_version checks maintained and continued;
some less so.

Reviewed by: pjd, bz
MFC after: 7 days

Modify device drivers supporting multicast addresses to lock if_addr_mtx
over iteration of their multicast address lists when synchronizing the
hardware address filter with the network stack-maintained list.

Problem reported by: Ed Maste (emaste at phaedrus dot sandvine dot ca>
MFC after: 1 week

Stop embedding struct ifnet at the top of driver softcs. Instead the
struct ifnet or the layer 2 common structure it was embedded in have
been replaced with a struct ifnet pointer to be filled by a call to the
new function, if_alloc(). The layer 2 common structure is also allocated
via if_alloc() based on the interface type. It is hung off the new
struct ifnet member, if_l2com.

This change removes the size of these structures from the kernel ABI and
will allow us to better manage them as interfaces come and go.

Other changes of note:
- Struct arpcom is no longer referenced in normal interface code.
Instead the Ethernet address is accessed via the IFP2ENADDR() macro.
To enforce this ac_enaddr has been renamed to _ac_enaddr.
- The second argument to ether_ifattach is now always the mac address
from driver private storage rather than sometimes being ac_enaddr.

Reviewed by: sobomax, sam

Remove bus_{mem,p}io.h and related code for a micro-optimization on i386
and amd64. The optimization is a trivial on recent machines.

Reviewed by: -arch (imp, marcel, dfr)

Use BUS_PROBE_DEFAULT in preference to 0. Also for vx, return
BUS_PROBE_LOW_PRIORITY in stead of ifdef for devices that xl and vx
both support so that xl will snarf them on up.

Since if_tx doesn't contain locking or run with INTR_MPSAFE, mark
the interface as IFF_NEEDSGIANT so if_start is run holding Giant.

Replace handrolled CRC calculation with ether_crc32_[lb]e().

Add missing <sys/module.h> includes

Mark the VLAN_MTU capability as initially enabled since it's
hardcoded to "ON" for these interfaces.

Convert callers to the new bus_alloc_resource_any(9) API.

Submitted by: Mark Santcroos <marks@ripe.net>
Reviewed by: imp, dfr, bde

Announce ethernet MAC addresss in ether_ifattach().

Don't use caddr_t in mchash(). Also use C99 spellings over BSD ones.

Requested by: bde,imp

Remove duplicate FBSDID's, move others to their right place.

Try to create some sort of consistency in how the routings to find the
multicast hash are written. There are still two distinct algorithms used,
and there actually isn't any reason each driver should have its own copy
of this function as they could all share one copy of it (if it grew an
additional argument).

Replace the if_name and if_unit members of struct ifnet with new members
if_xname, if_dname, and if_dunit. if_xname is the name of the interface
and if_dname/unit are the driver name and instance.

This change paves the way for interface renaming and enhanced pseudo
device creation and configuration symantics.

Approved By: re (in principle)
Reviewed By: njl, imp
Tested On: i386, amd64, sparc64
Obtained From: NetBSD (if_xname)

Use PCIR_BAR(x) instead of PCIR_MAPS.

Glanced over by: imp, gibbs
Tested by: i386 LINT

Use __FBSDID().
Also some minor style cleanups.

Prefer new location of pci include files (which have only been in the
tree for two or more years now), except in a few places where there's
code to be compatible with older versions of FreeBSD.

- No need to bzero() the softc structure.
- Use BUS_DMA_ZERO where appropriate.

Mega busdma API commit.

Add two new arguments to bus_dma_tag_create(): lockfunc and lockfuncarg.
Lockfunc allows a driver to provide a function for managing its locking
semantics while using busdma. At the moment, this is used for the
asynchronous busdma_swi and callback mechanism. Two lockfunc implementations
are provided: busdma_lock_mutex() performs standard mutex operations on the
mutex that is specified from lockfuncarg. dftl_lock() is a panic
implementation and is defaulted to when NULL, NULL are passed to
bus_dma_tag_create(). The only time that NULL, NULL should ever be used is
when the driver ensures that bus_dmamap_load() will not be deferred.
Drivers that do not provide their own locking can pass
busdma_lock_mutex,&Giant args in order to preserve the former behaviour.

sparc64 and powerpc do not provide real busdma_swi functions, so this is
largely a noop on those platforms. The busdma_swi on is64 is not properly
locked yet, so warnings will be emitted on this platform when busdma
callback deferrals happen.

If anyone gets panics or warnings from dflt_lock() being called, please
let me know right away.

Reviewed by: tmm, gibbs

Convert the tx(4) driver to use the busdma API.

Special thanks to brueffer for sending me such a card so that
I could do this work.

Better comment, more style(9) fixes.

style(9).

Make this file closer to style(9) paradigm.

- Enable interrupts only at the end of epic_attach() when all the
other initializations succeeded.
- Initialize the TX and RX rings in epic_attach() rather than in
epic_init() where we're not supposed to fail. Similarly, free
the TX and RX rings in epic_detach() rather than in epic_stop().
- Change epic_init() to be a void function now that it can't fail.
Also change its parameter to a void * so that we have a correct
prototype for if_init.
- Now that epic_init() has a correct prototype, don't cast the
function pointer when initializing if_init.
- Fix nearby style bugs.

- Correct a comment made bogus by my last commit.
- Use __FBSDID.

Various cleanups:
- Don't initialize if_output, ether_ifattach() does this for us.
- Use pci_enable_busmaster() instead of using pci_read_config()
and pci_write_config() directly.
- Don't try to enable I/O, bus_alloc_resource() does this for us.

- Express hard dependencies on bus (pci, isa, pccard) and
network layer (ether).
- Don't abuse module names to facilitate ifconfig module loading;
such abuse isn't really needed. (And if we do need type information
associated with a module then we should make it explicit and not
use hacks.)

Nuke EPIC_MGETCLUSTER entirely. Since 1.60 we don't use it anymore and
instead use our optimized m_getcl().

Submitted by: Hiten Pandya <hiten@unixdaemons.com>
MFC After: 1 week

Back out M_* changes, per decision of the TRB.

Approved by: trb

Remove M_TRYWAIT/M_WAITOK/M_WAIT. Callers should use 0.
Merge M_NOWAIT/M_DONTWAIT into a single flag M_NOWAIT.

Remove miidevs.h and generate it from miidevs at compile time.
The devlist2h.awk tool to do this has been repocopied to sys/tools/.

network interface driver changes:

o don't strip the Ethernet header from inbound packets; pass packets
up the stack intact (required significant changes to some drivers)
o reference common definitions in net/ethernet.h (e.g. ETHER_ALIGN)
o track ether_ifattach/ether_ifdetach API changes
o track bpf changes (use BPF_TAP and BPF_MTAP)
o track vlan changes (ifnet capabilities, revised processing scheme, etc.)
o use if_input to pass packets "up"
o call ether_ioctl for default handling of ioctls

Reviewed by: many
Approved by: re

o m_adj rx buffer so IP header is 32-bit aligned
o replace EPIC_MGETCLUSER with m_getcl

MFC after: 1 week

Remove the OpenBSD comatibility stuff. Many changes to be more style(9)
compilant. Split two pieces if code into separate functions to do not
exceed line length due to indentation.

Stop trying to align malloc()ed memory. Rely on malloc() instead, just like
others.

Do not reset card in epic_freebsd_attach() as reset is done in
epic_common_attach().

Add an epic_stats_update() function (called once per second). Even though
we don't collect any stats in it, we mii_tick() in it! This fix the bug
when autonegotiating fullduplex modes.

Also, pause activity before setting TXCON in epic_miibus_statchg(). Though
i've never seen problmes from not doing that, the documentation says we
need to do it.

MFC after: 1 week

Implement true multicast filtering.

Inspired by: dc(4)

MFC after: 1 week

Update the email appearing in copyright string.

MFC after: 1 day

Merge ``&& must be ||'' bug noticed and fixed in OpenBSD. The only ill effect
was if_baudrate being always 10Mbit.

Obtained from: OpenBSD
MFC after: 1 day

Move tx(4) driver to sys/dev/tx. BTW split hardware structures and constants
into if_txreg.h.

MFC after: 1 week

Remove __P.

Cast pointers to uintptr_t rather than u_int32_t. This doesn't work too
well on machines with 64 bit pointers.

Remove mbuf exhaustion warning messages; these are handled by the
mbuf system in a rate-limited fashion now.

MFC after: 3 days

Update tx(4) to always enable vlan(4) support.

Approved by: semenu

Fix an bug in FreeBSD attach routine - attaching MII interfaces before doing
common_attach is wrong as common attach initialize some fileds used by
mediainit routine. This was hard to notify because loading driver as kld
lead to mediainit routine being called after common_attach, though probe_phy
is called before.

MFC after: 1 week

Add support for 802.1Q VLAN and oversized ethernet frames.

PR: kern/29235
Submitted by: Peter Jeremy <peter.jeremy@alcatel.com.au>
Reviewed by: Yar Tikhiy <yar@FreeBSD.org>
MFC after: 1 week

Add initializetion of NVCTL register with EEPROM stored value.
This fix hazardous very slow work for one of my cards.

MFC after: 1 week

Add support for SMC9432FTX card, possibly othe fiber optic SMC9432 family
cards will work too.

Another round of the <sys/queue.h> FOREACH transmogriffer.

Created with: sed(1)
Reviewed by: md5(1)

Convert more malloc+bzero to malloc+M_ZERO.

Submitted by: josh@zipperup.org
Submitted by: Robert Drehmel <robd@gmx.net>

Add missing delay after card reset.

This fixes randoms lockups when probing the card at boot time, when
more than 1 similar card is found in the machine.

Reviewed by: semenu

Remove unneeded #include <machine/clock.h>

Make all Ethernet drivers attach using ether_ifattach() and detach using
ether_ifdetach().

The former consolidates the operations of if_attach(), ng_ether_attach(),
and bpfattach(). The latter consolidates the corresponding detach operations.

Reviewed by: julian, freebsd-net

Added support for SMC9432BTX cards.

Avoid double-call to bpf_mtap(). This is now handled in ether_input().

Move code to handle BPF and bridging for incoming Ethernet packets out
of the individual drivers and into the common routine ether_input().
Also, remove the (incomplete) hack for matching ethernet headers
in the ip_fw code.

The good news: net result of 1016 lines removed, and this should make
bridging now work with *all* Ethernet drivers.

The bad news: it's nearly impossible to test every driver, especially
for bridging, and I was unable to get much testing help on the mailing
lists.

Reviewed by: freebsd-net

Depend on miibus.

Note that if_aue doesn't strictly depend on usb because it uses the
method interface for calls rather than using internal symbols, and
because it's a child driver of usb and therefore will not try and do
anything unless the parent usb code is loaded at some point. if_aue does
strictly depend on miibus as it will fail to link if it is missing.

Driver is now using miibus, and newbus.

PR: kern/17601

Change incorrect NULLs to 0s

Added code to enable BusMaster operations.
Kurt D. Starsinic <kstar@chapin.edu> had reported
this patch fixing strange behaviour (like timeouts
and RX/TX DMAs stopping errors).

$Id$ -> $FreeBSD$

Clean up after removing sys/eventhandler.h from sys/systm.h at the last
minute. This should cover all of the missed cases (and should let LINT
build again).

Implement a new generic mechanism for attaching handler functions to
events, in order to pave the way for removing a number of the ad-hoc
implementations currently in use.

Retire the at_shutdown family of functions and replace them with
new event handler lists.

Rework kern_shutdown.c to take greater advantage of the use of event
handlers.

Reviewed by: green

Rename bpfilter to bpf.

Eliminate a bunch of #include "pci.h" and #if NPCI > 0 around entire
files. config will leave the whole file out if configured to do so.

Move arpcom structure be the first in softc structure. Needed
for ether_ioctl.

PR: pending/11754

#if 0 some unused code (debug?) to quiet a warning.

Simplify the COMPAT_PCI_DRIVER/DATA_SET hack. We can add:
#define COMPAT_PCI_DRIVER(name,data) DATA_SET(pcidevice_set,data)
.. to 2.2.x and 3.x if people think it's worth it. Driver writers can do
this if it's not defined. (The reason for this is that I'm trying to
progressively eliminate use of linker_sets where it hurts modularity and
runtime load capability, and these DATA_SET's keep getting in the way.)

Use COMPAT_PCI_DRIVER() for registration if it exists. This shouldn't
hurt the driver portability to 3.x too much for where drivers are shared.

Well folks, this is it - The second stage of the removal for build support
for LKM's..

Add support for bridging to if_tx.c

PR: 10534
Submitted by: nsayer

Implemented workaround for EPIC's Application Note 7-15 (concerning
chip int. and ext. clock synchronisation). Fixed workaround for
transmit threshold underrun. Added volatile keyword to CSR_READ_* and
CSR_WRITE_* macroses. Added DELAYs to eliminate randomness caused
by processor speed. Fixed all TXCON and RXCON registers to be accessed
only when chip is idle, as manual told. Changed epic_init_phy to
drop link by isolating and going loopback, should should force link
partner to restart autonegotiation.

PR: kern/10535, kern/9742, kern/10575
Submitted by: Peter Jeremy, David Greenman

Fix from author of the driver:

The i++ loop from 1..1000 is too small on very fast machines like
PII 450 MHz. Increasing the loop from 1..100000 lets the machine
access PHY. After this patch it's possible to use a SMC PCI card
on a HP Kayak XA series PC Workstation. Workaround until this fix
was to enable debugging in the driver (#define EPIC_DEBUG 1).

Without that patch you get an undefined state:
while true
do
ifconfig -a | grep status:
done
The status messages flaps between twwo values, but not
"connected".

Obtained from: Ustimenko Semen <semen@iclub.nsu.ru>

probe function changed from returning char * to const char *.

Adjust prototype to match definition (by adding a 'const').

The "easy" fixes for compiling the kernel -Wunused: remove unreferenced static
and local variables, goto labels, and functions declared but not defined.

ifioctl takes a u_long rather than an int on 3.0

Ported to OpenBSD. sys/pci/smc83c170.h renamed to sys/pci/if_txvar.h to be
like others.

Minimal change for #if __FreeBSD__ >= 3 to check __FreeBSD_version instead.

Fixed printf format errors (only 1 left in GENERIC now).

Fix some strange errors of shutting transmitter up when start
transmition after software reset with no link estabilished yet.
Fix TX DMA stop method (queue last packet to stop).

PR: i386/6578

Fix spelling in printf().

This commit fixes various 64bit portability problems required for
FreeBSD/alpha. The most significant item is to change the command
argument to ioctl functions from int to u_long. This change brings us
inline with various other BSD versions. Driver writers may like to
use (__FreeBSD_version == 300003) to detect this change.

The prototype FreeBSD/alpha machdep will follow in a couple of days
time.

Support compiling with `gcc -ansi'.

Fixed autonegotiation. Card registers are now accessed via memory
not i/o space.

Correct minor typo
Confirmed by: Ustimenko Semen <semen@iclub.nsu.ru>

*** empty log message ***

Update to "stable-167" release; totally reimplements media detection.
Submitted by: Ustimenko Semen <semen@iclub.nsu.ru>

Staticize.

MF22: update to newest version from author.

Removed ifdef for <sys/sockio.h> vs <sys/ioctl.h>. <sys/sockio.h> is
a BSD4.4Lite1 feature, not a FreeBSD feature. <sys/ioctl.h> is a
compatibility misfeature.

Moved NPCI ifdef. This file didn't compile if NPCI <= 0. It shouldn't
be configured in that case, but it is easy to support (mis)configuration
of drivers without buses by generating null objects, and many drivers
do it.

Removed unused includes.

Update to version stable-165
Submitted by: Ustimenko Semen <semen@iclub.nsu.ru>

Driver for the new SMC 9432TX cards.

Submitted by: Ustimenko Semen <semen@iclub.nsu.ru>