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* sys: Remove $FreeBSD$: one-line sh patternWarner Losh2023-08-161-1/+0
| | | | Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/
* Add module makefiles for Texas Instruments ARM SoCs.Ian Lepore2019-06-161-0/+2
| | | | | | | | | | The natural place to look for them based on how other SoCs are organized would be sys/modules/ti, but that's already taken. Drop a clue into modules/ti/Makefile directing people to modules/arm_ti if they're looking for ARM modules. Notes: svn path=/head/; revision=349096
* sys/modules: normalize .CURDIR-relative paths to SRCTOPEnji Cooper2017-03-041-1/+1
| | | | | | | | | | | This simplifies make output/logic Tested with: `cd sys/modules; make ALL_MODULES=` on amd64 MFC after: 1 month Sponsored by: Dell EMC Isilon Notes: svn path=/head/; revision=314651
* Remove zero-copy sockets code. It only worked for anonymous memory,Konstantin Belousov2013-09-161-1/+1
| | | | | | | | | | | | | | | | and the equivalent functionality is now provided by sendfile(2) over posix shared memory filedescriptor. Remove the cow member of struct vm_page, and rearrange the remaining members. While there, make hold_count unsigned. Requested and reviewed by: alc Tested by: pho Sponsored by: The FreeBSD Foundation Approved by: re (delphij) Notes: svn path=/head/; revision=255608
* The if_ti Tigon I/II driver has moved to /sys/dev/tiScott Long2005-12-101-1/+1
| | | | Notes: svn path=/head/; revision=153280
* Remove bridge(4) from the tree. if_bridge(4) is a full functionalMax Laier2005-09-271-1/+1
| | | | | | | | | | | replacement and has additional features which make it superior. Discussed on: -arch Reviewed by: thompsa X-MFC-after: never (RELENG_6 as transition period) Notes: svn path=/head/; revision=150636
* Remove vnode_if.h for rev 1.14.David E. O'Brien2004-12-291-2/+1
| | | | Notes: svn path=/head/; revision=139417
* We don't need to generate vnode_if.h anymoreWarner Losh2004-12-291-1/+1
| | | | Notes: svn path=/head/; revision=139399
* At long last, commit the zero copy sockets code.Kenneth D. Merry2002-06-261-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | MAKEDEV: Add MAKEDEV glue for the ti(4) device nodes. ti.4: Update the ti(4) man page to include information on the TI_JUMBO_HDRSPLIT and TI_PRIVATE_JUMBOS kernel options, and also include information about the new character device interface and the associated ioctls. man9/Makefile: Add jumbo.9 and zero_copy.9 man pages and associated links. jumbo.9: New man page describing the jumbo buffer allocator interface and operation. zero_copy.9: New man page describing the general characteristics of the zero copy send and receive code, and what an application author should do to take advantage of the zero copy functionality. NOTES: Add entries for ZERO_COPY_SOCKETS, TI_PRIVATE_JUMBOS, TI_JUMBO_HDRSPLIT, MSIZE, and MCLSHIFT. conf/files: Add uipc_jumbo.c and uipc_cow.c. conf/options: Add the 5 options mentioned above. kern_subr.c: Receive side zero copy implementation. This takes "disposable" pages attached to an mbuf, gives them to a user process, and then recycles the user's page. This is only active when ZERO_COPY_SOCKETS is turned on and the kern.ipc.zero_copy.receive sysctl variable is set to 1. uipc_cow.c: Send side zero copy functions. Takes a page written by the user and maps it copy on write and assigns it kernel virtual address space. Removes copy on write mapping once the buffer has been freed by the network stack. uipc_jumbo.c: Jumbo disposable page allocator code. This allocates (optionally) disposable pages for network drivers that want to give the user the option of doing zero copy receive. uipc_socket.c: Add kern.ipc.zero_copy.{send,receive} sysctls that are enabled if ZERO_COPY_SOCKETS is turned on. Add zero copy send support to sosend() -- pages get mapped into the kernel instead of getting copied if they meet size and alignment restrictions. uipc_syscalls.c:Un-staticize some of the sf* functions so that they can be used elsewhere. (uipc_cow.c) if_media.c: In the SIOCGIFMEDIA ioctl in ifmedia_ioctl(), avoid calling malloc() with M_WAITOK. Return an error if the M_NOWAIT malloc fails. The ti(4) driver and the wi(4) driver, at least, call this with a mutex held. This causes witness warnings for 'ifconfig -a' with a wi(4) or ti(4) board in the system. (I've only verified for ti(4)). ip_output.c: Fragment large datagrams so that each segment contains a multiple of PAGE_SIZE amount of data plus headers. This allows the receiver to potentially do page flipping on receives. if_ti.c: Add zero copy receive support to the ti(4) driver. If TI_PRIVATE_JUMBOS is not defined, it now uses the jumbo(9) buffer allocator for jumbo receive buffers. Add a new character device interface for the ti(4) driver for the new debugging interface. This allows (a patched version of) gdb to talk to the Tigon board and debug the firmware. There are also a few additional debugging ioctls available through this interface. Add header splitting support to the ti(4) driver. Tweak some of the default interrupt coalescing parameters to more useful defaults. Add hooks for supporting transmit flow control, but leave it turned off with a comment describing why it is turned off. if_tireg.h: Change the firmware rev to 12.4.11, since we're really at 12.4.11 plus fixes from 12.4.13. Add defines needed for debugging. Remove the ti_stats structure, it is now defined in sys/tiio.h. ti_fw.h: 12.4.11 firmware. ti_fw2.h: 12.4.11 firmware, plus selected fixes from 12.4.13, and my header splitting patches. Revision 12.4.13 doesn't handle 10/100 negotiation properly. (This firmware is the same as what was in the tree previously, with the addition of header splitting support.) sys/jumbo.h: Jumbo buffer allocator interface. sys/mbuf.h: Add a new external mbuf type, EXT_DISPOSABLE, to indicate that the payload buffer can be thrown away / flipped to a userland process. socketvar.h: Add prototype for socow_setup. tiio.h: ioctl interface to the character portion of the ti(4) driver, plus associated structure/type definitions. uio.h: Change prototype for uiomoveco() so that we'll know whether the source page is disposable. ufs_readwrite.c:Update for new prototype of uiomoveco(). vm_fault.c: In vm_fault(), check to see whether we need to do a page based copy on write fault. vm_object.c: Add a new function, vm_object_allocate_wait(). This does the same thing that vm_object allocate does, except that it gives the caller the opportunity to specify whether it should wait on the uma_zalloc() of the object structre. This allows vm objects to be allocated while holding a mutex. (Without generating WITNESS warnings.) vm_object_allocate() is implemented as a call to vm_object_allocate_wait() with the malloc flag set to M_WAITOK. vm_object.h: Add prototype for vm_object_allocate_wait(). vm_page.c: Add page-based copy on write setup, clear and fault routines. vm_page.h: Add page based COW function prototypes and variable in the vm_page structure. Many thanks to Drew Gallatin, who wrote the zero copy send and receive code, and to all the other folks who have tested and reviewed this code over the years. Notes: svn path=/head/; revision=98849
* vlan.h is obsolete, don't create it anymore.Brooks Davis2001-09-051-5/+1
| | | | Notes: svn path=/head/; revision=83124
* Use a consistent style and one much closer to the rest of /usr/srcDavid E. O'Brien2001-01-061-4/+5
| | | | Notes: svn path=/head/; revision=70711
* Use .include <bsd.kmod.mk> to get to ../../*/conf/kmod.mk instead ofPeter Wemm2000-05-271-1/+1
| | | | | | | encoding the relative path. Notes: svn path=/head/; revision=60966
* Pull in sys/conf/kmod.mk, rather than /usr/share/mk/bsd.kmod.mk.Peter Wemm2000-05-041-1/+1
| | | | | | | | | | This means that the kernel can be totally self contained now and is not dependent on the last buildworld to update /usr/share/mk. This might also make it easier to build 5.x kernels on 4.0 boxes etc, assuming gensetdefs and config(8) are updated. Notes: svn path=/head/; revision=59951
* Add ${DEBUG_FLAGS} to CFLAGS in bsd.kmod.mk, not in scattered moduleBruce Evans2000-01-281-1/+0
| | | | | | | | makefiles. Bad examples in fxp/Makefile keep getting copied to new makefiles. Notes: svn path=/head/; revision=56735
* Removed special rules for building and cleaning device interface filesBruce Evans1999-11-281-15/+2
| | | | | | | | and empty options files. The rules are now generated automatically in bsd.kmod.mk. Cleaned up related things ($S and ${CLEANFILES}). Notes: svn path=/head/; revision=53846
* Zap some unused echo "#define NFOO 1" > foo.h style defunct stuff.Peter Wemm1999-09-271-5/+2
| | | | Notes: svn path=/head/; revision=51712
* Don't generate 'bpf.h' since it's not used.Peter Wemm1999-09-271-5/+2
| | | | Notes: svn path=/head/; revision=51704
* Change the name of the installed KLM to contain a leading "if_".David E. O'Brien1999-09-201-1/+1
| | | | | | | | | Except for miibus which is now installed as miibus.ko. Discussed by: msmith, peter, and wpaul Notes: svn path=/head/; revision=51443
* $Id$ -> $FreeBSD$Peter Wemm1999-08-281-1/+1
| | | | Notes: svn path=/head/; revision=50477
* Convert the VIA Rhine driver to newbus and set it up to be compiled asBill Paul1999-08-101-2/+2
| | | | | | | | | | | | | a module. Also modified the code to work on FreeBSD/alpha and added device vr0 to the alpha GENERIC config. While I was in the neighborhood, I noticed that I was still using #define NFPX 1 in all of the Makefiles that I'd copied from the fxp module. I don't really use #define Nfoo X so it didn't matter, but I decided to customize this correctly anyway. Notes: svn path=/head/; revision=49610
* Create module directories for the xl, ti, tl and sk drivers and addBill Paul1999-07-231-0/+31
them to the Makefile so that modules will be generated for /modules. Notes: svn path=/head/; revision=49016
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