| vnet.h (261650) | vnet.h (274225) |
|---|---|
| 1/*- 2 * Copyright (c) 2006-2009 University of Zagreb 3 * Copyright (c) 2006-2009 FreeBSD Foundation 4 * All rights reserved. 5 * 6 * This software was developed by the University of Zagreb and the 7 * FreeBSD Foundation under sponsorship by the Stichting NLnet and the 8 * FreeBSD Foundation. --- 18 unchanged lines hidden (view full) --- 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * | 1/*- 2 * Copyright (c) 2006-2009 University of Zagreb 3 * Copyright (c) 2006-2009 FreeBSD Foundation 4 * All rights reserved. 5 * 6 * This software was developed by the University of Zagreb and the 7 * FreeBSD Foundation under sponsorship by the Stichting NLnet and the 8 * FreeBSD Foundation. --- 18 unchanged lines hidden (view full) --- 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * |
| 35 * $FreeBSD: head/sys/net/vnet.h 261650 2014-02-09 08:13:17Z trociny $ | 35 * $FreeBSD: head/sys/net/vnet.h 274225 2014-11-07 09:39:05Z glebius $ |
| 36 */ 37 38/*- 39 * This header file defines several sets of interfaces supporting virtualized 40 * network stacks: 41 * 42 * - Definition of 'struct vnet' and functions and macros to allocate/free/ 43 * manipulate it. --- 70 unchanged lines hidden (view full) --- 114static void \ 115vnet_##name##_uninit(const void *unused) \ 116{ \ 117 VNET_PCPUSTAT_FREE(name); \ 118} \ 119VNET_SYSUNINIT(vnet_ ## name ## _uninit, SI_SUB_PROTO_IFATTACHDOMAIN, \ 120 SI_ORDER_ANY, vnet_ ## name ## _uninit, NULL) 121 | 36 */ 37 38/*- 39 * This header file defines several sets of interfaces supporting virtualized 40 * network stacks: 41 * 42 * - Definition of 'struct vnet' and functions and macros to allocate/free/ 43 * manipulate it. --- 70 unchanged lines hidden (view full) --- 114static void \ 115vnet_##name##_uninit(const void *unused) \ 116{ \ 117 VNET_PCPUSTAT_FREE(name); \ 118} \ 119VNET_SYSUNINIT(vnet_ ## name ## _uninit, SI_SUB_PROTO_IFATTACHDOMAIN, \ 120 SI_ORDER_ANY, vnet_ ## name ## _uninit, NULL) 121 |
| 122#ifdef SYSCTL_OID |
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| 122#define SYSCTL_VNET_PCPUSTAT(parent, nbr, name, type, array, desc) \ 123static int \ 124array##_sysctl(SYSCTL_HANDLER_ARGS) \ 125{ \ 126 type s; \ 127 CTASSERT((sizeof(type) / sizeof(uint64_t)) == \ 128 (sizeof(VNET(array)) / sizeof(counter_u64_t))); \ 129 COUNTER_ARRAY_COPY(VNET(array), &s, sizeof(type) / sizeof(uint64_t));\ 130 if (req->newptr) \ 131 COUNTER_ARRAY_ZERO(VNET(array), \ 132 sizeof(type) / sizeof(uint64_t)); \ 133 return (SYSCTL_OUT(req, &s, sizeof(type))); \ 134} \ | 123#define SYSCTL_VNET_PCPUSTAT(parent, nbr, name, type, array, desc) \ 124static int \ 125array##_sysctl(SYSCTL_HANDLER_ARGS) \ 126{ \ 127 type s; \ 128 CTASSERT((sizeof(type) / sizeof(uint64_t)) == \ 129 (sizeof(VNET(array)) / sizeof(counter_u64_t))); \ 130 COUNTER_ARRAY_COPY(VNET(array), &s, sizeof(type) / sizeof(uint64_t));\ 131 if (req->newptr) \ 132 COUNTER_ARRAY_ZERO(VNET(array), \ 133 sizeof(type) / sizeof(uint64_t)); \ 134 return (SYSCTL_OUT(req, &s, sizeof(type))); \ 135} \ |
| 135SYSCTL_VNET_PROC(parent, nbr, name, CTLTYPE_OPAQUE | CTLFLAG_RW, NULL, \ 136 0, array ## _sysctl, "I", desc) | 136SYSCTL_PROC(parent, nbr, name, CTLFLAG_VNET | CTLTYPE_OPAQUE | CTLFLAG_RW, \ 137 NULL, 0, array ## _sysctl, "I", desc) 138#endif /* SYSCTL_OID */ |
| 137 138#ifdef VIMAGE 139#include <sys/lock.h> 140#include <sys/proc.h> /* for struct thread */ 141#include <sys/rwlock.h> 142#include <sys/sx.h> 143 144/* --- 133 unchanged lines hidden (view full) --- 278/* 279 * Virtual network stack allocator interfaces from the kernel linker. 280 */ 281void *vnet_data_alloc(int size); 282void vnet_data_copy(void *start, int size); 283void vnet_data_free(void *start_arg, int size); 284 285/* | 139 140#ifdef VIMAGE 141#include <sys/lock.h> 142#include <sys/proc.h> /* for struct thread */ 143#include <sys/rwlock.h> 144#include <sys/sx.h> 145 146/* --- 133 unchanged lines hidden (view full) --- 280/* 281 * Virtual network stack allocator interfaces from the kernel linker. 282 */ 283void *vnet_data_alloc(int size); 284void vnet_data_copy(void *start, int size); 285void vnet_data_free(void *start_arg, int size); 286 287/* |
| 286 * Sysctl variants for vnet-virtualized global variables. Include 287 * <sys/sysctl.h> to expose these definitions. 288 * 289 * Note: SYSCTL_PROC() handler functions will need to resolve pointer 290 * arguments themselves, if required. 291 */ 292#ifdef SYSCTL_OID 293#define SYSCTL_VNET_INT(parent, nbr, name, access, ptr, val, descr) \ 294 SYSCTL_OID(parent, nbr, name, \ 295 CTLTYPE_INT|CTLFLAG_MPSAFE|CTLFLAG_VNET|(access), \ 296 ptr, val, sysctl_handle_int, "I", descr) 297#define SYSCTL_VNET_PROC(parent, nbr, name, access, ptr, arg, handler, \ 298 fmt, descr) \ 299 CTASSERT(((access) & CTLTYPE) != 0); \ 300 SYSCTL_OID(parent, nbr, name, CTLFLAG_VNET|(access), ptr, arg, \ 301 handler, fmt, descr) 302#define SYSCTL_VNET_OPAQUE(parent, nbr, name, access, ptr, len, fmt, \ 303 descr) \ 304 SYSCTL_OID(parent, nbr, name, \ 305 CTLTYPE_OPAQUE|CTLFLAG_VNET|(access), ptr, len, \ 306 sysctl_handle_opaque, fmt, descr) 307#define SYSCTL_VNET_STRING(parent, nbr, name, access, arg, len, descr) \ 308 SYSCTL_OID(parent, nbr, name, \ 309 CTLTYPE_STRING|CTLFLAG_VNET|(access), \ 310 arg, len, sysctl_handle_string, "A", descr) 311#define SYSCTL_VNET_STRUCT(parent, nbr, name, access, ptr, type, descr) \ 312 SYSCTL_OID(parent, nbr, name, \ 313 CTLTYPE_OPAQUE|CTLFLAG_VNET|(access), ptr, \ 314 sizeof(struct type), sysctl_handle_opaque, "S," #type, \ 315 descr) 316#define SYSCTL_VNET_UINT(parent, nbr, name, access, ptr, val, descr) \ 317 SYSCTL_OID(parent, nbr, name, \ 318 CTLTYPE_UINT|CTLFLAG_MPSAFE|CTLFLAG_VNET|(access), \ 319 ptr, val, sysctl_handle_int, "IU", descr) 320#define VNET_SYSCTL_ARG(req, arg1) do { \ 321 if (arg1 != NULL) \ 322 arg1 = (void *)(TD_TO_VNET((req)->td)->vnet_data_base + \ 323 (uintptr_t)(arg1)); \ 324} while (0) 325#endif /* SYSCTL_OID */ 326 327/* | |
| 328 * Virtual sysinit mechanism, allowing network stack components to declare 329 * startup and shutdown methods to be run when virtual network stack 330 * instances are created and destroyed. 331 */ 332#include <sys/kernel.h> 333 334/* 335 * SYSINIT/SYSUNINIT variants that provide per-vnet constructors and --- 106 unchanged lines hidden (view full) --- 442 */ 443#define VNET_VNET_PTR(vnet, n) (&(n)) 444#define VNET_VNET(vnet, n) (n) 445 446#define VNET_PTR(n) (&(n)) 447#define VNET(n) (n) 448 449/* | 288 * Virtual sysinit mechanism, allowing network stack components to declare 289 * startup and shutdown methods to be run when virtual network stack 290 * instances are created and destroyed. 291 */ 292#include <sys/kernel.h> 293 294/* 295 * SYSINIT/SYSUNINIT variants that provide per-vnet constructors and --- 106 unchanged lines hidden (view full) --- 402 */ 403#define VNET_VNET_PTR(vnet, n) (&(n)) 404#define VNET_VNET(vnet, n) (n) 405 406#define VNET_PTR(n) (&(n)) 407#define VNET(n) (n) 408 409/* |
| 450 * When VIMAGE isn't compiled into the kernel, virtaulized SYSCTLs simply 451 * become normal SYSCTLs. 452 */ 453#ifdef SYSCTL_OID 454#define SYSCTL_VNET_INT(parent, nbr, name, access, ptr, val, descr) \ 455 SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) 456#define SYSCTL_VNET_PROC(parent, nbr, name, access, ptr, arg, handler, \ 457 fmt, descr) \ 458 SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, \ 459 descr) 460#define SYSCTL_VNET_OPAQUE(parent, nbr, name, access, ptr, len, fmt, \ 461 descr) \ 462 SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) 463#define SYSCTL_VNET_STRING(parent, nbr, name, access, arg, len, descr) \ 464 SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) 465#define SYSCTL_VNET_STRUCT(parent, nbr, name, access, ptr, type, descr) \ 466 SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) 467#define SYSCTL_VNET_UINT(parent, nbr, name, access, ptr, val, descr) \ 468 SYSCTL_UINT(parent, nbr, name, access, ptr, val, descr) 469#define VNET_SYSCTL_ARG(req, arg1) 470#endif /* SYSCTL_OID */ 471 472/* | |
| 473 * When VIMAGE isn't compiled into the kernel, VNET_SYSINIT/VNET_SYSUNINIT 474 * map into normal sysinits, which have the same ordering properties. 475 */ 476#define VNET_SYSINIT(ident, subsystem, order, func, arg) \ 477 SYSINIT(ident, subsystem, order, func, arg) 478#define VNET_SYSUNINIT(ident, subsystem, order, func, arg) \ 479 SYSUNINIT(ident, subsystem, order, func, arg) 480 481/* 482 * Without VIMAGE revert to the default implementation. 483 */ 484#define VNET_GLOBAL_EVENTHANDLER_REGISTER_TAG(tag, name, func, arg, priority) \ 485 (tag) = eventhandler_register(NULL, #name, func, arg, priority) 486#define VNET_GLOBAL_EVENTHANDLER_REGISTER(name, func, arg, priority) \ 487 eventhandler_register(NULL, #name, func, arg, priority) 488#endif /* VIMAGE */ 489#endif /* _KERNEL */ 490 491#endif /* !_NET_VNET_H_ */ | 410 * When VIMAGE isn't compiled into the kernel, VNET_SYSINIT/VNET_SYSUNINIT 411 * map into normal sysinits, which have the same ordering properties. 412 */ 413#define VNET_SYSINIT(ident, subsystem, order, func, arg) \ 414 SYSINIT(ident, subsystem, order, func, arg) 415#define VNET_SYSUNINIT(ident, subsystem, order, func, arg) \ 416 SYSUNINIT(ident, subsystem, order, func, arg) 417 418/* 419 * Without VIMAGE revert to the default implementation. 420 */ 421#define VNET_GLOBAL_EVENTHANDLER_REGISTER_TAG(tag, name, func, arg, priority) \ 422 (tag) = eventhandler_register(NULL, #name, func, arg, priority) 423#define VNET_GLOBAL_EVENTHANDLER_REGISTER(name, func, arg, priority) \ 424 eventhandler_register(NULL, #name, func, arg, priority) 425#endif /* VIMAGE */ 426#endif /* _KERNEL */ 427 428#endif /* !_NET_VNET_H_ */ |