tcp.h

Version: - FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10

    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause
    3  *
    4  * Copyright (c) 2020-2021 The FreeBSD Foundation
    5  *
    6  * This software was developed by Björn Zeeb under sponsorship from
    7  * the FreeBSD Foundation.
    8  *
    9  * Redistribution and use in source and binary forms, with or without
   10  * modification, are permitted provided that the following conditions
   11  * are met:
   12  * 1. Redistributions of source code must retain the above copyright
   13  *    notice, this list of conditions and the following disclaimer.
   14  * 2. Redistributions in binary form must reproduce the above copyright
   15  *    notice, this list of conditions and the following disclaimer in the
   16  *    documentation and/or other materials provided with the distribution.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   28  * SUCH DAMAGE.
   29  *
   30  * $FreeBSD$
   31  */
   32 
   33 #ifndef _LINUXKPI_LINUX_TCP_H
   34 #define _LINUXKPI_LINUX_TCP_H
   35 
   36 #include <sys/types.h>
   37 #include <linux/skbuff.h>
   38 
   39 /* (u) unconfirmed structure field names; using FreeBSD's meanwhile. */
   40 struct tcphdr {
   41         uint16_t        source;                 /* (u) */
   42         uint16_t        dest;                   /* (u) */
   43         uint32_t        th_seq;                 /* (u) */
   44         uint32_t        th_ack;                 /* (u) */
   45 #if BYTE_ORDER == LITTLE_ENDIAN
   46         uint8_t         th_x2:4, doff:4;
   47 #elif BYTE_ORDER == BIG_ENDIAN
   48         uint8_t         doff:4, th_x2:4;
   49 #endif
   50         uint8_t         th_flags;               /* (u) */
   51         uint16_t        th_win;                 /* (u) */
   52         uint16_t        check;
   53         uint16_t        th_urg;                 /* (u) */
   54 };
   55 
   56 static __inline struct tcphdr *
   57 tcp_hdr(struct sk_buff *skb)
   58 {
   59 
   60         return (struct tcphdr *)skb_transport_header(skb);
   61 }
   62 
   63 static __inline uint32_t
   64 tcp_hdrlen(struct sk_buff *skb)
   65 {
   66         struct tcphdr *th;
   67 
   68         th = tcp_hdr(skb);
   69         return (4 * th->doff);
   70 }
   71 
   72 #endif  /* _LINUXKPI_LINUX_TCP_H */

Cache object: 0a89305117bbaea6e835756869f787d0

[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.

FreeBSD/Linux Kernel Cross Reference sys/compat/linuxkpi/common/include/linux/tcp.h

FreeBSD/Linux Kernel Cross Reference
sys/compat/linuxkpi/common/include/linux/tcp.h