Commit Graph

121 Commits

Author SHA1 Message Date
Jonathan Lemon
df5e198723 Lock down the network interface queues. The queue mutex must be obtained
before adding/removing packets from the queue.  Also, the if_obytes and
if_omcasts fields should only be manipulated under protection of the mutex.

IF_ENQUEUE, IF_PREPEND, and IF_DEQUEUE perform all necessary locking on
the queue.  An IF_LOCK macro is provided, as well as the old (mutex-less)
versions of the macros in the form _IF_ENQUEUE, _IF_QFULL, for code which
needs them, but their use is discouraged.

Two new macros are introduced: IF_DRAIN() to drain a queue, and IF_HANDOFF,
which takes care of locking/enqueue, and also statistics updating/start
if necessary.
2000-11-25 07:35:38 +00:00
Poul-Henning Kamp
db7e3af111 Remove unneeded #include <machine/clock.h> 2000-10-15 14:19:01 +00:00
Doug Rabson
530f610f02 A quote from the ia64 compiler:
`char' is promoted to `int' when passed through `...'
	(so you should pass `int' not `char' to `va_arg')
2000-10-10 14:18:50 +00:00
Nick Hibma
ef36241a4a Remove an unused variable warning. 2000-07-18 20:16:36 +00:00
Nick Hibma
677cec5b04 Fix the detection of parallel port Zip drives.
Submitted by:	j mckitrick <jcm@freebsd-uk.eu.org>
Reviewed by:	nsouchu
2000-07-18 20:16:16 +00:00
Peter Wemm
52044d2673 Unused include: #include "pps.h" 2000-06-10 11:14:19 +00:00
David E. O'Brien
907774ca1a Match the include protection with the install location. 2000-05-20 05:45:04 +00:00
David E. O'Brien
74cf6eb61b Rather than use a MD lpt.h, we now use the MI lptio.h. 2000-05-19 18:23:48 +00:00
Nick Hibma
c47eb96cb5 If PERIPH_1284 is not defined, don't even bother calling the BUS_*_INTR
functions.

If it is defined, check whether bus_alloc_resource has succeeded. If it
hasn't, it is in polled mode. Mike Nowlin reports that this change makes
the geek port (whatever _that_ is :-) work again on his machine.

Submitted by:	Mike Nowlin <mike@argos.org>
2000-05-07 20:46:49 +00:00
Nick Hibma
0c42807c05 Confusing comment. 2000-05-05 14:10:25 +00:00
Poul-Henning Kamp
5856c95848 Don't use getebuf() unless you really need a struct buf. Malloc will
do fine in this case.
2000-05-05 07:50:53 +00:00
Poul-Henning Kamp
eb95c536ad Remove unneeded #include <sys/kernel.h> 2000-04-29 15:36:14 +00:00
Nick Hibma
7fe1aaca86 make the example compile again.
The makefile contains a reference to /sys/dev/ppbus. What really should
be done is copy the header files to /usr/include/sys/dev/ppbus.

PR:	            kern/16767
Submitted by:	   Jin Guojun (FTG staff) <jin@gracie.lbl.gov>
2000-04-27 21:08:24 +00:00
Poul-Henning Kamp
3389ae9350 Remove ~25 unneeded #include <sys/conf.h>
Remove ~60 unneeded #include <sys/malloc.h>
2000-04-19 14:58:28 +00:00
Poul-Henning Kamp
ed6aff7387 Remove unneeded <sys/buf.h> includes.
Due to some interesting cpp tricks in lockmgr, the LINT kernel shrinks
by 924 bytes.
2000-04-18 15:15:39 +00:00
Doug Rabson
f7b7769172 * Factor out the object system from new-bus so that it can be used by
non-device code.
* Re-implement the method dispatch to improve efficiency. The new system
  takes about 40ns for a method dispatch on a 300Mhz PII which is only
  10ns slower than a direct function call on the same hardware.

This changes the new-bus ABI slightly so make sure you re-compile any
driver modules which you use.
2000-04-08 14:17:18 +00:00
Jonathan Lemon
9c117130a5 If we can't allocate an IRQ resource, fail in the attach routine. 2000-04-07 00:09:24 +00:00
Nick Hibma
9011b59b70 Add automatic rescan on connect. This happens already if the drive is
connected during boot and the vpo module is in the kernel/loaded.

In the case where the module is loaded at some later stage with kldload,
the CAM bus is now rescanned as well.
2000-04-04 22:15:13 +00:00
Poul-Henning Kamp
91266b96c4 Isolate the Timecounter internals in their own two files.
Make the public interface more systematically named.

Remove the alternate method, it doesn't do any good, only ruins performance.

Add counters to profile the usage of the 8 access functions.

Apply the beer-ware to my code.

The weird +/- counts are caused by two repocopies behind the scenes:
	kern/kern_clock.c -> kern/kern_tc.c
	sys/time.h -> sys/timetc.h
(thanks peter!)
2000-03-20 14:09:06 +00:00
Brian Feldman
3841bf81f7 I _HATE_ crashes. The lptread() call needs to check LP_BYPASS, because
if one tries to use read() on an LP_BYPASS'd dev_t, the softc will be
initialized mainly with NULLs, so...
2000-03-15 03:23:04 +00:00
Sheldon Hearn
4ca7c740a6 Fix buffer overrun in pcfclock_read(). The submitter is the original
author of the affected code.

PR:		16552
Submitted by:	Sascha Schumann <sascha@schumann.cx>
Approved by:	jkh
2000-02-20 09:08:33 +00:00
Peter Wemm
84a5b01504 Fix two warnings. 2000-02-13 03:03:31 +00:00
Nicolas Souchu
249a96889e Fix system hang when printer locks on missing paper
(also called the "printer fiasco")

Approved by: jkh
2000-02-08 21:46:27 +00:00
Doug Rabson
150630c449 Make this lot build on alpha. 2000-01-25 22:23:48 +00:00
Peter Wemm
0f063508d7 Some newbus-inspired tidy-ups. Use device_identify() rather than scanning
the resource table to locate children.  The 'at ppbus?' can go again.
Remove a few #if Nxxx > 0' type things, config arranges this for us.
Move the newbus method glue next to the DRIVER_MODULE() stuff so we
don't need extra prototypes.
Don't set device descriptions until after the possibility of the probe
returning an error.
Remove all cdevsw_add() calls, all the drivers that did this also use
make_dev() correctly, so it's not required.
A couple of other minor nits.
2000-01-23 14:41:04 +00:00
Jordan K. Hubbard
6417807e8b Add parallel port clock driver.
Submitted by:	Sascha Schumann <sascha@schumann.cx>
2000-01-19 18:19:16 +00:00
Peter Wemm
99904c75f7 Make this compile - missing ")"; 2000-01-14 15:54:45 +00:00
Nicolas Souchu
bdcee5cff6 ppi needs to use a bus method to get this rather than peering inside the
1284 stuff.

Submitted by: Peter Wemm <peter@netplex.com.au>
2000-01-14 08:03:15 +00:00
Nicolas Souchu
0f210c922b Port of ppbus standalone framework to the newbus system.
Note1: the correct interrupt level is invoked correctly for each driver.
       For this purpose, drivers request the bus before being able to
       call BUS_SETUP_INTR and BUS_TEARDOWN_INTR call is forced by the ppbus
       core when drivers release it. Thus, when BUS_SETUP_INTR is called
       at ppbus driver level, ppbus checks that the caller owns the
       bus and stores the interrupt handler cookie (in order to unregister
       it later).

       Printing is impossible while plip link is up is still TRUE.
       vpo (ZIP driver) and lpt are make in such a way that
       using the ZIP and printing concurrently is permitted is also TRUE.

Note2: specific chipset detection is not done by default. PPC_PROBE_CHIPSET
       is now needed to force chipset detection. If set, the flags 0x40
       still avoid detection at boot.

Port of the pcf(4) driver to the newbus system (was previously directly
connected to the rootbus and attached by a bogus pcf_isa_probe function).
2000-01-14 00:18:06 +00:00
Peter Wemm
664a31e496 Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL"
is an application space macro and the applications are supposed to be free
to use it as they please (but cannot).  This is consistant with the other
BSD's who made this change quite some time ago.  More commits to come.
1999-12-29 04:46:21 +00:00
Eivind Eklund
6852838006 Incorrect NULL -> 0 1999-12-20 17:50:24 +00:00
Matthew N. Dodd
fe0d408987 Remove the 'ivars' arguement to device_add_child() and
device_add_child_ordered().  'ivars' may now be set using the
device_set_ivars() function.

This makes it easier for us to change how arbitrary data structures are
associated with a device_t.  Eventually we won't be modifying device_t
to add additional pointers for ivars, softc data etc.

Despite my best efforts I've probably forgotten something so let me know
if this breaks anything.  I've been running with this change for months
and its been quite involved actually isolating all the changes from
the rest of the local changes in my tree.

Reviewed by:	peter, dfr
1999-12-03 08:41:24 +00:00
Nick Hibma
fc56bfd8a7 Print more verbose debugging output
Clean up computation of parameters.
1999-10-05 20:29:00 +00:00
Poul-Henning Kamp
d6a0e38a1b Remove five now unused fields from struct cdevsw. They should never
have been there in the first place.  A GENERIC kernel shrinks almost 1k.

Add a slightly different safetybelt under nostop for tty drivers.

Add some missing FreeBSD tags
1999-09-25 18:24:47 +00:00
Poul-Henning Kamp
46783fb897 Remove NBPF conditionality of bpf calls in most of our network drivers.
This means that we will not have to have a bpf and a non-bpf version
of our driver modules.

This does not open any security hole, because the bpf core isn't loadable

The drivers left unchanged are the "cross platform" drivers where the respective
maintainers are urged to DTRT, whatever that may be.

Add a couple of missing FreeBSD tags.
1999-09-25 12:06:01 +00:00
Peter Wemm
c3aac50f28 $Id$ -> $FreeBSD$ 1999-08-28 01:08:13 +00:00
Poul-Henning Kamp
9dcbe2404a Convert DEVFS hooks in (most) drivers to make_dev().
Diskslice/label code not yet handled.

Vinum, i4b, alpha, pc98 not dealt with (left to respective Maintainers)

Add the correct hook for devfs to kern_conf.c

The net result of this excercise is that a lot less files depends on DEVFS,
and devtoname() gets more sensible output in many cases.

A few drivers had minor additional cleanups performed relating to cdevsw
registration.

A few drivers don't register a cdevsw{} anymore, but only use make_dev().
1999-08-23 20:59:21 +00:00
Poul-Henning Kamp
f04626ff22 Add pin-numbers for easy reference. 1999-08-18 20:45:57 +00:00
Poul-Henning Kamp
1a03ce6c63 Remove compile time limit on number of devices. 1999-08-08 22:25:46 +00:00
Poul-Henning Kamp
fca3f34ff8 Passing the unit number to an interrupt routing is kind of narrowminded,
add a way to get the entire struct ppb_device back.
1999-08-08 22:25:21 +00:00
Matthew N. Dodd
15317dd875 Alter the behavior of sys/kern/subr_bus.c:device_print_child()
- device_print_child() either lets the BUS_PRINT_CHILD
	  method produce the entire device announcement message or
	  it prints "foo0: not found\n"

Alter sys/kern/subr_bus.c:bus_generic_print_child() to take on
the previous behavior of device_print_child() (printing the
"foo0: <FooDevice 1.1>" bit of the announce message.)

Provide bus_print_child_header() and bus_print_child_footer()
to actually print the output for bus_generic_print_child().
These functions should be used whenever possible (unless you can
just use bus_generic_print_child())

The BUS_PRINT_CHILD method now returns int instead of void.

Modify everything else that defines or uses a BUS_PRINT_CHILD
method to comply with the above changes.

	- Devices are 'on' a bus, not 'at' it.
	- If a custom BUS_PRINT_CHILD method does the same thing
	  as bus_generic_print_child(), use bus_generic_print_child()
	- Use device_get_nameunit() instead of both
	  device_get_name() and device_get_unit()
	- All BUS_PRINT_CHILD methods return the number of
	  characters output.

Reviewed by: dfr, peter
1999-07-29 01:03:04 +00:00
Dag-Erling Smørgrav
6b5ca0d83e Rename bpfilter to bpf. 1999-07-06 19:23:32 +00:00
Nick Hibma
25d210e317 Remove unused variable and computation, possibly leading to a
divide by zero fault.

Possible fix for PR12041

PR:		12041
Submitted-By:	J.Hudson@massey.ac.nz
Reviewed-By:	nsouch
1999-06-26 14:42:17 +00:00
Peter Wemm
b42a56cd10 GC unused prototype 1999-06-03 22:03:35 +00:00
Poul-Henning Kamp
2447bec829 Simplify cdevsw registration.
The cdevsw_add() function now finds the major number(s) in the
struct cdevsw passed to it.  cdevsw_add_generic() is no longer
needed, cdevsw_add() does the same thing.

cdevsw_add() will print an message if the d_maj field looks bogus.

Remove nblkdev and nchrdev variables.  Most places they were used
bogusly.  Instead check a dev_t for validity by seeing if devsw()
or bdevsw() returns NULL.

Move bdevsw() and devsw() functions to kern/kern_conf.c

Bump __FreeBSD_version to 400006

This commit removes:
        72 bogus makedev() calls
        26 bogus SYSINIT functions

if_xe.c bogusly accessed cdevsw[], author/maintainer please fix.

I4b and vinum not changed.  Patches emailed to authors.  LINT
probably broken until they catch up.
1999-05-31 11:29:30 +00:00
Poul-Henning Kamp
4e2f199e0c This commit should be a extensive NO-OP:
Reformat and initialize correctly all "struct cdevsw".

        Initialize the d_maj and d_bmaj fields.

        The d_reset field was not removed, although it is never used.

I used a program to do most of this, so all the files now use the
same consistent format.  Please keep it that way.

Vinum and i4b not modified, patches emailed to respective authors.
1999-05-30 16:53:49 +00:00
Doug Rabson
566643e39e Move the declaration of the interrupt type from the driver structure
to the BUS_SETUP_INTR call.
1999-05-08 21:59:43 +00:00
Peter Wemm
3cca27dac6 GC unused pps_drvinit() declaration 1999-05-06 22:03:14 +00:00
Kenneth D. Merry
db15b5b790 The base transfer speed for the parallel port bus is 93K/sec, not 3.3MB/sec.
Submitted by:	Nick Hibma <hibma@skylink.it>
1999-05-06 21:14:49 +00:00
Kenneth D. Merry
169b302922 Take out calls to cam_sim_set_basexfer_speed(), the base transfer speed is
now returned in the path inquiry CCB.

Submitted by:	Nick Hibma <hibma@skylink.it>
1999-05-06 21:12:58 +00:00