1 /* $FreeBSD$ */ 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause 4 * 5 * Copyright (c) 2001 Daniel Hartmeier 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * - Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * - Redistributions in binary form must reproduce the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer in the documentation and/or other materials provided 17 * with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 23 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 27 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 * 32 */ 33 34 #ifndef _NET_PF_MTAG_H_ 35 #define _NET_PF_MTAG_H_ 36 37 #ifdef _KERNEL 38 39 /* pf_mtag -> flags */ 40 #define PF_MTAG_FLAG_ROUTE_TO 0x01 41 #define PF_MTAG_FLAG_DUMMYNET 0x02 42 #define PF_MTAG_FLAG_TRANSLATE_LOCALHOST 0x04 43 #define PF_MTAG_FLAG_PACKET_LOOPED 0x08 44 #define PF_MTAG_FLAG_FASTFWD_OURS_PRESENT 0x10 45 /* 0x20 unused */ 46 #define PF_MTAG_FLAG_DUPLICATED 0x40 47 #define PF_MTAG_FLAG_SYNCOOKIE_RECREATED 0x80 48 49 struct pf_mtag { 50 void *hdr; /* saved hdr pos in mbuf, for ECN */ 51 u_int16_t qid; /* queue id */ 52 u_int32_t qid_hash; /* queue hashid used by WFQ like algos */ 53 u_int16_t tag; /* tag id */ 54 u_int8_t flags; 55 u_int8_t routed; 56 u_int16_t dnpipe; 57 u_int32_t dnflags; 58 u_int16_t if_index; /* For ROUTE_TO */ 59 u_int16_t if_idxgen; /* For ROUTE_TO */ 60 struct sockaddr_storage dst; /* For ROUTE_TO */ 61 }; 62 63 static __inline struct pf_mtag * 64 pf_find_mtag(struct mbuf *m) 65 { 66 struct m_tag *mtag; 67 68 if ((mtag = m_tag_find(m, PACKET_TAG_PF, NULL)) == NULL) 69 return (NULL); 70 71 return ((struct pf_mtag *)(mtag + 1)); 72 } 73 #endif /* _KERNEL */ 74 #endif /* _NET_PF_MTAG_H_ */ 75