pf_mtag.h

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    1 /*      $FreeBSD: releng/10.0/sys/net/pf_mtag.h 240494 2012-09-14 11:51:49Z glebius $   */
    2 /*
    3  * Copyright (c) 2001 Daniel Hartmeier
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  *
   10  *    - Redistributions of source code must retain the above copyright
   11  *      notice, this list of conditions and the following disclaimer.
   12  *    - Redistributions in binary form must reproduce the above
   13  *      copyright notice, this list of conditions and the following
   14  *      disclaimer in the documentation and/or other materials provided
   15  *      with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   18  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   20  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
   21  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
   22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
   23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   25  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
   27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   28  * POSSIBILITY OF SUCH DAMAGE.
   29  *
   30  */
   31 
   32 #ifndef _NET_PF_MTAG_H_
   33 #define _NET_PF_MTAG_H_
   34 
   35 #ifdef _KERNEL
   36 
   37 #define PF_TAG_GENERATED                0x01
   38 #define PF_TAG_FRAGCACHE                0x02
   39 #define PF_TAG_TRANSLATE_LOCALHOST      0x04
   40 #define PF_PACKET_LOOPED                0x08
   41 #define PF_FASTFWD_OURS_PRESENT         0x10
   42 
   43 struct pf_mtag {
   44         void            *hdr;           /* saved hdr pos in mbuf, for ECN */
   45         u_int32_t        qid;           /* queue id */
   46         u_int16_t        tag;           /* tag id */
   47         u_int8_t         flags;
   48         u_int8_t         routed;
   49 };
   50 
   51 static __inline struct pf_mtag *
   52 pf_find_mtag(struct mbuf *m)
   53 {
   54         struct m_tag    *mtag;
   55 
   56         if ((mtag = m_tag_find(m, PACKET_TAG_PF, NULL)) == NULL)
   57                 return (NULL);
   58 
   59         return ((struct pf_mtag *)(mtag + 1));
   60 }
   61 #endif /* _KERNEL */
   62 #endif /* _NET_PF_MTAG_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/net/pf_mtag.h

FreeBSD/Linux Kernel Cross Reference
sys/net/pf_mtag.h