1 /*- 2 * Copyright (c) 2006, Cisco Systems, Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * a) Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 10 * b) Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the distribution. 13 * 14 * c) Neither the name of Cisco Systems, Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived 16 * from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 #ifndef __sctp_os_bsd_h__ 33 #define __sctp_os_bsd_h__ 34 35 /* 36 * includes 37 */ 38 #include <sys/random.h> 39 40 41 /* 42 * 43 */ 44 typedef struct mbuf *sctp_mbuf_t; 45 46 /* 47 * general memory allocation 48 */ 49 #define SCTP_MALLOC(var, type, size, name) \ 50 do { \ 51 MALLOC(var, type, size, M_PCB, M_NOWAIT); \ 52 } while (0) 53 54 #define SCTP_FREE(var) FREE(var, M_PCB) 55 56 #define SCTP_MALLOC_SONAME(var, type, size) \ 57 do { \ 58 MALLOC(var, type, size, M_SONAME, M_WAITOK | M_ZERO); \ 59 } while (0) 60 61 #define SCTP_FREE_SONAME(var) FREE(var, M_SONAME) 62 63 /* 64 * zone allocation functions 65 */ 66 #include <vm/uma.h> 67 /* SCTP_ZONE_INIT: initialize the zone */ 68 typedef struct uma_zone *sctp_zone_t; 69 70 #define UMA_ZFLAG_FULL 0x0020 71 #define SCTP_ZONE_INIT(zone, name, size, number) { \ 72 zone = uma_zcreate(name, size, NULL, NULL, NULL, NULL, UMA_ALIGN_PTR,\ 73 UMA_ZFLAG_FULL); \ 74 uma_zone_set_max(zone, number); \ 75 } 76 77 /* SCTP_ZONE_GET: allocate element from the zone */ 78 #define SCTP_ZONE_GET(zone) \ 79 uma_zalloc(zone, M_NOWAIT); 80 81 /* SCTP_ZONE_FREE: free element from the zone */ 82 #define SCTP_ZONE_FREE(zone, element) \ 83 uma_zfree(zone, element); 84 85 /* 86 * Functions 87 */ 88 #define sctp_read_random(buf, len) read_random(buf, len) 89 90 #endif 91