| Commit message (Collapse) | Author | Age | Files | Lines |
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information is updated by mii_tick().
Pointed out by: wpaul (a while back)
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calling vtophys() and contigmalloc()/contigfree() directly. Hopefully,
I have shaken out all of the problems with busdma on the alpha now.
(Everything seems to work as expected.)
Also, change the max RX DMA limit to 1024 bytes instead of "unlimited,"
as the latter seems not to work correctly on the alpha that I tested.
(At 100Mbps, all attempts to receive frames yield RX errors.)
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pci_enable_io(). We need to use SYS_RES_IOPORT/SYS_RES_MEMORY instead
of PCIM_CMD_PORTEN/PCIM_CMD_MEMEN.
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something: offset into the first mbuf of the target chain before copying
the source data over.
Make drivers using m_devget() with a first argument "data - ETHER_ALIGN"
to use the offset argument to pass ETHER_ALIGN in. The way it was previously
done is potentially dangerous if the source data was at the top of a page
and the offset caused the previous page to be copied (if the
previous page has not yet been appropriately mapped).
The old `offset' argument in m_devget() is not used anywhere (it's always
0) and dates back to ~1995 (and earlier?) when support for ethernet trailers
existed. With that support gone, it was merely collecting dust.
Tested on alpha by: jlemon
Partially submitted by: jlemon
Reviewed by: jlemon
MFC after: 3 weeks
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- Use pci_get_powerstate()/pci_set_powerstate() in all the other drivers
that need them so we don't have to fiddle with the PCI power management
registers directly.
- Use pci_enable_busmaster()/pci_enable_io() to turn on busmastering and
PIO/memory mapped accesses.
- Add support to the RealTek driver for the D-Link DFE-530TX+ which has
a RealTek 8139 with its own PCI ID. (Submitted by Jason Wright)
- Have the SiS 900/National DP83815 driver be sure to disable PME
mode in sis_reset(). This apparently fixes a problem on some
motherboards where the DP83815 chip fails to receive packets.
(Submitted by Chuck McCrobie <mccrobie@cablespeed.com>)
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chipset. The MAC address is stored in the APC CMOS RAM and we have to
commit trememdous evil in order to read it. The code to do this is only
activated on the i386 platform. Thanks to Cameron Grant for providing
access to a test box for me to tinker with.
This will fix the problem where the sis driver ends up with a station
address of 00:00:00:00:00:00 on boards that use the 630E chipset.
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backwards in the three drivers which want to do that.
Reviewed by: mikeh
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Created with: sed(1)
Reviewed by: md5(1)
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<sys/queue.h> implementation details.
Created with: /usr/sbin/sed
Reviewed with: /sbin/md5
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All calls to mtx_init() for mutexes that recurse must now include
the MTX_RECURSE bit in the flag argument variable. This change is in
preparation for an upcoming (further) mutex API cleanup.
The witness code will call panic() if a lock is found to recurse but
the MTX_RECURSE bit was not set during the lock's initialization.
The old MTX_RECURSE "state" bit (in mtx_lock) has been renamed to
MTX_RECURSED, which is more appropriate given its meaning.
The following locks have been made "recursive," thus far:
eventhandler, Giant, callout, sched_lock, possibly some others declared
in the architecture-specific code, all of the network card driver locks
in pci/, as well as some other locks in dev/ stuff that I've found to
be recursive.
Reviewed by: jhb
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bailing out to the fail: label where we release/destroy the mutex
will work without exploding.
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(once as as an I/O space resource and once as an IRQ resource). There was
a problem with this in if_rl too, which is how I found it.
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mtx_init() instead of hard-coded string constant. Also remember to do
the mutex changes to the ste driver, which I forgot in the first commit.
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takes care of all the 10/100 and gigE PCI drivers that I've done.
Next will be the wireless drivers, then the USB ones. I may pick up
some stragglers along the way. I'm sort of playing this by ear: if
anyone spots any places where I've screwed up horribly, please let me
know.
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- Modify the driver to poll the link state and positively set the
MAC to full or half duplex as needed. Previously, it was possible
for the MAC to remain in half duplex even though the PHY had negotiated
full duplex with its link partner, which would result in bursty
performance.
- Program some of the NatSemi's registers as specified by the datasheet.
The manual says these are necessary for "optimum perofrmance," though
a couple of them are marked as reserved in the register map. *shrug*
- Select the TX DMA burst size correctly for 10 and 100mbps modes.
Previously I was using 64 bytes in both modes, which worked in
100mbps mode, but resulting in spotty performance in 10mbps.
32 bytes works much better; without this change, the natsemi
chip yields piss poor performance at 10mbps.
With these fixes, the NatSemi chip finally performs to my satisfaction.
I should be merging the support for this controller into -stable shortly.
Phew.
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due to a small cut & paste-o on my part. It happens this didn't hurt
anything, but it's still wrong.
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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
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(Some shift rights should have been shift lefts.)
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controller chip. This chip is currently being used on the NetGear
FA312-TX adapter, which I guess is a replacement for the FA310-TX
(PNIC-based).
I added support for this chip by modifying the sis driver since
the SiS 900 and the NS DP83815 have almost the same programming
interface (the RX filter programming and PHY access methods are
different, but the general configuration, DMA scheme and register
layout are identical).
I would have had this done a lot sooner, but getting the damn MAC
address out of the EEPROM proved to be more complicated than expected.
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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
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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.
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chances of allocations succeeding on systems with small amounts of
RAM.
Pointed out by: bde
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there are stubs compiled into the kernel if BPF support is not enabled,
there aren't any problems with unresolved symbols. The modules in /modules
are compiled with BPF support enabled anyway, so the most this will do is
bloat GENERIC a little.
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declaration for the interface driver from "foo" to "if_foo" but leave the
declaration for the miibus attached to the interface driver alone. This
lets the internal module name be "if_foo" while still allowing the miibus
instances to attach to "foo."
This should allow ifconfig to autoload driver modules again without
breaking the miibus attach.
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This whole idea isn't going to work until somebody makes the bus/kld
code smarter. The idea here is to change the module's internal name
from "foo" to "if_foo" so that ifconfig can tell a network driver from
a non-network one. However doing this doesn't work correctly no matter
how you slice it. For everything to work, you have to change the name
in both the driver_t struct and the DRIVER_MODULE() declaration. The
problems are:
- If you change the name in both places, then the kernel thinks that
the device's name is now "if_foo", so you get things like:
if_foo0: <FOO ethernet> irq foo at device foo on pcifoo
if_foo0: Ethernet address: foo:foo:foo:foo:foo:foo
This is bogus. Now the device name doesn't agree with the logical
interface name. There's no reason for this, and it violates the
principle of least astonishment.
- If you leave the name in the driver_t struct as "foo" and only
change the names in the DRIVER_MODULE() declaration to "if_foo" then
attaching drivers to child devices doesn't work because the names don't
agree. This breaks miibus: drivers that need to have miibuses and PHY
drivers attached never get them.
In other words: damned if you do, damned if you don't.
This needs to be thought through some more. Since the drivers that
use miibus are broken, I have to change these all back in order to
make them work again. Yes this will stop ifconfig from being able
to demand load driver modules. On the whole, I'd rather have that
than having the drivers not work at all.
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they were.
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in the DRIVER_MODULES() declarations. *sigh*
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the miibus.
Noticed by: wpaul
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"if_".
Reviewed by: msmith, wpaul
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commit messages or GENERIC and insist on running -CURRENT.
It probably won't work, but it's worth a try.
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two lines and forgot to change them for the !IOSPACE case. Not a big deal
since PCI memory mapped mode is off by default, but I still feel silly.
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SiS 900 and SiS 7016 PCI fast ethernet chipsets. Full manuals for the
SiS chips can be found at www.sis.com.tw.
This is a fairly simple chipset. The receiver uses a 128-bit multicast
hash table and single perfect entry for the station address. Transmit and
receive DMA and FIFO thresholds are easily tuneable. Documentation is
pretty decent and performance is not bad, even on my crufty 486. This
driver uses newbus and miibus and is supported on both the i386 and
alpha architectures.
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