npfkern.h revision 1.1.18.2
1 1.1.18.2 jdolecek /*- 2 1.1.18.2 jdolecek * Copyright (c) 2015 Mindaugas Rasiukevicius <rmind at netbsd org> 3 1.1.18.2 jdolecek * All rights reserved. 4 1.1.18.2 jdolecek * 5 1.1.18.2 jdolecek * Redistribution and use in source and binary forms, with or without 6 1.1.18.2 jdolecek * modification, are permitted provided that the following conditions 7 1.1.18.2 jdolecek * are met: 8 1.1.18.2 jdolecek * 1. Redistributions of source code must retain the above copyright 9 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer. 10 1.1.18.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 11 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer in the 12 1.1.18.2 jdolecek * documentation and/or other materials provided with the distribution. 13 1.1.18.2 jdolecek * 14 1.1.18.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 1.1.18.2 jdolecek * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 1.1.18.2 jdolecek * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 1.1.18.2 jdolecek * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 1.1.18.2 jdolecek * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 1.1.18.2 jdolecek * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 1.1.18.2 jdolecek * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 1.1.18.2 jdolecek * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 1.1.18.2 jdolecek * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 1.1.18.2 jdolecek * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 1.1.18.2 jdolecek * SUCH DAMAGE. 25 1.1.18.2 jdolecek */ 26 1.1.18.2 jdolecek 27 1.1.18.2 jdolecek #ifndef _NPFKERN_H_ 28 1.1.18.2 jdolecek #define _NPFKERN_H_ 29 1.1.18.2 jdolecek 30 1.1.18.2 jdolecek #ifndef _KERNEL 31 1.1.18.2 jdolecek #include <stdbool.h> 32 1.1.18.2 jdolecek #include <inttypes.h> 33 1.1.18.2 jdolecek #endif 34 1.1.18.2 jdolecek 35 1.1.18.2 jdolecek struct mbuf; 36 1.1.18.2 jdolecek struct ifnet; 37 1.1.18.2 jdolecek 38 1.1.18.2 jdolecek #if defined(_NPF_STANDALONE) || !defined(__NetBSD__) 39 1.1.18.2 jdolecek #define PFIL_IN 0x00000001 // incoming packet 40 1.1.18.2 jdolecek #define PFIL_OUT 0x00000002 // outgoing packet 41 1.1.18.2 jdolecek #endif 42 1.1.18.2 jdolecek 43 1.1.18.2 jdolecek #define NPF_NO_GC 0x01 44 1.1.18.2 jdolecek 45 1.1.18.2 jdolecek typedef struct { 46 1.1.18.2 jdolecek const char * (*getname)(struct ifnet *); 47 1.1.18.2 jdolecek struct ifnet * (*lookup)(const char *); 48 1.1.18.2 jdolecek void (*flush)(void *); 49 1.1.18.2 jdolecek void * (*getmeta)(const struct ifnet *); 50 1.1.18.2 jdolecek void (*setmeta)(struct ifnet *, void *); 51 1.1.18.2 jdolecek } npf_ifops_t; 52 1.1.18.2 jdolecek 53 1.1.18.2 jdolecek typedef struct { 54 1.1.18.2 jdolecek struct mbuf * (*alloc)(int, int); 55 1.1.18.2 jdolecek void (*free)(struct mbuf *); 56 1.1.18.2 jdolecek void * (*getdata)(const struct mbuf *); 57 1.1.18.2 jdolecek struct mbuf * (*getnext)(struct mbuf *); 58 1.1.18.2 jdolecek size_t (*getlen)(const struct mbuf *); 59 1.1.18.2 jdolecek size_t (*getchainlen)(const struct mbuf *); 60 1.1.18.2 jdolecek bool (*ensure_contig)(struct mbuf **, size_t); 61 1.1.18.2 jdolecek bool (*ensure_writable)(struct mbuf **, size_t); 62 1.1.18.2 jdolecek } npf_mbufops_t; 63 1.1.18.2 jdolecek 64 1.1.18.2 jdolecek int npf_sysinit(unsigned); 65 1.1.18.2 jdolecek void npf_sysfini(void); 66 1.1.18.2 jdolecek 67 1.1.18.2 jdolecek npf_t * npf_create(int, const npf_mbufops_t *, const npf_ifops_t *); 68 1.1.18.2 jdolecek int npf_load(npf_t *, void *, npf_error_t *); 69 1.1.18.2 jdolecek void npf_gc(npf_t *); 70 1.1.18.2 jdolecek void npf_destroy(npf_t *); 71 1.1.18.2 jdolecek 72 1.1.18.2 jdolecek void npf_thread_register(npf_t *); 73 1.1.18.2 jdolecek int npf_packet_handler(npf_t *, struct mbuf **, struct ifnet *, int); 74 1.1.18.2 jdolecek void npf_ifmap_attach(npf_t *, struct ifnet *); 75 1.1.18.2 jdolecek void npf_ifmap_detach(npf_t *, struct ifnet *); 76 1.1.18.2 jdolecek void npf_stats(npf_t *, uint64_t *); 77 1.1.18.2 jdolecek 78 1.1.18.2 jdolecek #endif 79
Indexes created Tue Oct 21 19:09:51 GMT 2025