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* sys: further adoption of SPDX licensing ID tags.Pedro F. Giffuni2017-11-201-0/+2
| | | | | | | | | | | | | | | | | Mainly focus on files that use BSD 3-Clause license. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Special thanks to Wind River for providing access to "The Duke of Highlander" tool: an older (2014) run over FreeBSD tree was useful as a starting point. Notes: svn path=/head/; revision=326023
* Renumber copyright clause 4Warner Losh2017-02-281-1/+1
| | | | | | | | | | | | Renumber cluase 4 to 3, per what everybody else did when BSD granted them permission to remove clause 3. My insistance on keeping the same numbering for legal reasons is too pedantic, so give up on that point. Submitted by: Jan Schaumann <jschauma@stevens.edu> Pull Request: https://github.com/freebsd/freebsd/pull/96 Notes: svn path=/head/; revision=314436
* Pass the fibnum where we need filtering of the message on theBjoern A. Zeeb2011-09-281-0/+5
| | | | | | | | | | | | | | | | | | rtsock allowing routing daemons to filter routing updates on an rtsock per FIB. Adjust raw_input() and split it into wrapper and a new function taking an optional callback argument even though we only have one consumer [1] to keep the hackish flags local to rtsock.c. PR: kern/134931 Submitted by: multiple (see PR) Suggested by: rwatson [1] Reviewed by: rwatson MFC after: 3 days Notes: svn path=/head/; revision=225837
* Remove unused VNET_SET() and related macros; only VNET_GET() isRobert Watson2009-07-161-1/+1
| | | | | | | | | | | | ever actually used. Rename VNET_GET() to VNET() to shorten variable references. Discussed with: bz, julian Reviewed by: bz Approved by: re (kensmith, kib) Notes: svn path=/head/; revision=195727
* Build on Jeff Roberson's linker-set based dynamic per-CPU allocatorRobert Watson2009-07-141-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (DPCPU), as suggested by Peter Wemm, and implement a new per-virtual network stack memory allocator. Modify vnet to use the allocator instead of monolithic global container structures (vinet, ...). This change solves many binary compatibility problems associated with VIMAGE, and restores ELF symbols for virtualized global variables. Each virtualized global variable exists as a "reference copy", and also once per virtual network stack. Virtualized global variables are tagged at compile-time, placing the in a special linker set, which is loaded into a contiguous region of kernel memory. Virtualized global variables in the base kernel are linked as normal, but those in modules are copied and relocated to a reserved portion of the kernel's vnet region with the help of a the kernel linker. Virtualized global variables exist in per-vnet memory set up when the network stack instance is created, and are initialized statically from the reference copy. Run-time access occurs via an accessor macro, which converts from the current vnet and requested symbol to a per-vnet address. When "options VIMAGE" is not compiled into the kernel, normal global ELF symbols will be used instead and indirection is avoided. This change restores static initialization for network stack global variables, restores support for non-global symbols and types, eliminates the need for many subsystem constructors, eliminates large per-subsystem structures that caused many binary compatibility issues both for monitoring applications (netstat) and kernel modules, removes the per-function INIT_VNET_*() macros throughout the stack, eliminates the need for vnet_symmap ksym(2) munging, and eliminates duplicate definitions of virtualized globals under VIMAGE_GLOBALS. Bump __FreeBSD_version and update UPDATING. Portions submitted by: bz Reviewed by: bz, zec Discussed with: gnn, jamie, jeff, jhb, julian, sam Suggested by: peter Approved by: re (kensmith) Notes: svn path=/head/; revision=195699
* Put a global variables, which were virtualized but formerlyBjoern A. Zeeb2008-12-111-0/+2
| | | | | | | | | | | | | | | | missed under VIMAGE_GLOBAL. Start putting the extern declarations of the virtualized globals under VIMAGE_GLOBAL as the globals themsevles are already. This will help by the time when we are going to remove the globals entirely. While there garbage collect a few dead externs from ip6_var.h. Sponsored by: The FreeBSD Foundation Notes: svn path=/head/; revision=185937
* Remove unused support for local and foreign addresses in generic rawRobert Watson2008-07-091-5/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | socket support. These utility routines are used only for routing and pfkey sockets, neither of which have a notion of address, so were required to mock up fake socket addresses to avoid connection requirements for applications that did not specify their own fake addresses (most of them). Quite a bit of the removed code is #ifdef notdef, since raw sockets don't support bind() or connect() in practice. Removing this simplifies the raw socket implementation, and removes two (commented out) uses of dtom(9). Fake addresses passed to sendto(2) by applications are ignored for compatibility reasons, but this is now done in a more consistent way (and with a comment). Possibly, EINVAL could be returned here in the future if it is determined that no applications depend on the semantic inconsistency of specifying a destination address for a protocol without address support, but this will require some amount of careful surveying. NB: This does not affect netinet, netinet6, or other wire protocol raw sockets, which provide their own independent infrastructure with control block address support specific to the protocol. MFC after: 3 weeks Reviewed by: bz Notes: svn path=/head/; revision=180385
* Clarify comments and prototypes in raw_cb.h:Robert Watson2008-07-051-9/+13
| | | | | | | | | | | | | | - the protosw entries are used directly - the usrreq functions are library routines, generally wrapped by consumers rather than being used directly - the usrreq structure entries are likewise typically wrapped Remove the rather incorrect #if 0'd pr_input_t prototype for raw_input. MFC after: 3 days Notes: svn path=/head/; revision=180307
* Improve approximation of style(9) in raw socket code.Robert Watson2008-07-051-3/+4
| | | | Notes: svn path=/head/; revision=180305
* /* -> /*- for license, minor formatting changesWarner Losh2005-01-071-1/+1
| | | | Notes: svn path=/head/; revision=139823
* Lock down rawcb_list, a global list of control blocks for raw sockets,Robert Watson2004-06-151-0/+1
| | | | | | | | | | | | | | using rawcb_mtx. Hold this mutex while modifying or iterating over the control list; this means that the mutex is held over calls into socket delivery code, which no longer causes a lock order reversal as the routing socket code uses a netisr to avoid recursing socket -> routing -> socket. Note: Locking of IPsec consumers of rawcb_list is not included in this commit. Notes: svn path=/head/; revision=130514
* Remove advertising clause from University of California Regent'sWarner Losh2004-04-071-4/+0
| | | | | | | | | | license, per letter dated July 22, 1999 and email from Peter Wemm, Alan Cox and Robert Watson. Approved by: core, peter, alc, rwatson Notes: svn path=/head/; revision=128019
* Remove __P.Alfred Perlstein2002-03-191-5/+5
| | | | Notes: svn path=/head/; revision=92725
* KSE Milestone 2Julian Elischer2001-09-121-2/+10
| | | | | | | | | | | | | | | | | Note ALL MODULES MUST BE RECOMPILED make the kernel aware that there are smaller units of scheduling than the process. (but only allow one thread per process at this time). This is functionally equivalent to teh previousl -current except that there is a thread associated with each process. Sorry john! (your next MFC will be a doosie!) Reviewed by: peter@freebsd.org, dillon@freebsd.org X-MFC after: ha ha ha ha Notes: svn path=/head/; revision=83366
* Back out the previous change to the queue(3) interface.Jake Burkholder2000-05-261-2/+2
| | | | | | | | | It was not discussed and should probably not happen. Requested by: msmith and others Notes: svn path=/head/; revision=60938
* Change the way that the queue(3) structures are declared; don't assume thatJake Burkholder2000-05-231-2/+2
| | | | | | | | | | | the type argument to *_HEAD and *_ENTRY is a struct. Suggested by: phk Reviewed by: phk Approved by: mdodd Notes: svn path=/head/; revision=60833
* Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL"Peter Wemm1999-12-291-1/+1
| | | | | | | | | 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. Notes: svn path=/head/; revision=55205
* $Id$ -> $FreeBSD$Peter Wemm1999-08-281-1/+1
| | | | Notes: svn path=/head/; revision=50477
* Added #include of <sys/queue.h> so that this file is more "self"-sufficent.Bruce Evans1998-02-031-1/+3
| | | | Notes: svn path=/head/; revision=33058
* The long-awaited mega-massive-network-code- cleanup. Part I.Garrett Wollman1997-04-271-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | This commit includes the following changes: 1) Old-style (pr_usrreq()) protocols are no longer supported, the compatibility glue for them is deleted, and the kernel will panic on boot if any are compiled in. 2) Certain protocol entry points are modified to take a process structure, so they they can easily tell whether or not it is possible to sleep, and also to access credentials. 3) SS_PRIV is no more, and with it goes the SO_PRIVSTATE setsockopt() call. Protocols should use the process pointer they are now passed. 4) The PF_LOCAL and PF_ROUTE families have been updated to use the new style, as has the `raw' skeleton family. 5) PF_LOCAL sockets now obey the process's umask when creating a socket in the filesystem. As a result, LINT is now broken. I'm hoping that some enterprising hacker with a bit more time will either make the broken bits work (should be easy for netipx) or dike them out. Notes: svn path=/head/; revision=25201
* Use LIST macros instead of insque/remquePoul-Henning Kamp1997-04-141-4/+3
| | | | Notes: svn path=/head/; revision=24936
* Back out part 1 of the MCFH that changed $Id$ to $FreeBSD$. We are notPeter Wemm1997-02-221-1/+1
| | | | | | | ready for it yet. Notes: svn path=/head/; revision=22975
* Make the long-awaited change from $Id$ to $FreeBSD$Jordan K. Hubbard1997-01-141-1/+1
| | | | | | | | | | | This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise. Notes: svn path=/head/; revision=21673
* Uniformized pr_ctlinput protosw functions. The third arg is now `voidBruce Evans1995-12-161-2/+2
| | | | | | | | | | *' instead of caddr_t and it isn't optional (it never was). Most of the netipx (and netns) pr_ctlinput functions abuse the second arg instead of using the third arg but fixing this is beyond the scope of this round of changes. Notes: svn path=/head/; revision=12881
* Eliminate sloppy common-style declarations. There should be none left forBruce Evans1995-07-291-2/+2
| | | | | | | the LINT configuation. Notes: svn path=/head/; revision=9759
* Make idempotent.Paul Richards1994-08-211-1/+6
| | | | | | | Submitted by: Paul Notes: svn path=/head/; revision=2168
* Added $Id$David Greenman1994-08-021-0/+1
| | | | Notes: svn path=/head/; revision=1817
* BSD 4.4 Lite Kernel SourcesRodney W. Grimes1994-05-241-0/+69
Notes: svn path=/head/; revision=1541
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