diff options
Diffstat (limited to 'freebsd/sys/contrib/pf/netinet/in4_cksum.c')
| -rw-r--r-- | freebsd/sys/contrib/pf/netinet/in4_cksum.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/freebsd/sys/contrib/pf/netinet/in4_cksum.c b/freebsd/sys/contrib/pf/netinet/in4_cksum.c deleted file mode 100644 index 19cc8ac4..00000000 --- a/freebsd/sys/contrib/pf/netinet/in4_cksum.c +++ /dev/null @@ -1,122 +0,0 @@ -#include <machine/rtems-bsd-kernel-space.h> - -/* $FreeBSD$ */ -/* $OpenBSD: in4_cksum.c,v 1.7 2003/06/02 23:28:13 millert Exp $ */ -/* $KAME: in4_cksum.c,v 1.10 2001/11/30 10:06:15 itojun Exp $ */ -/* $NetBSD: in_cksum.c,v 1.13 1996/10/13 02:03:03 christos Exp $ */ - -/* - * Copyright (C) 1999 WIDE Project. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the project nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* - * Copyright (c) 1988, 1992, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)in_cksum.c 8.1 (Berkeley) 6/10/93 - */ - -#include <rtems/bsd/sys/param.h> -#include <sys/systm.h> -#include <sys/mbuf.h> - -#include <netinet/in.h> -#include <netinet/in_systm.h> -#include <netinet/ip.h> -#include <netinet/ip_var.h> - -#include <machine/in_cksum.h> - -#define ADDCARRY(x) (x > 65535 ? x -= 65535 : x) -#define REDUCE {l_util.l = sum; sum = l_util.s[0] + l_util.s[1]; (void)ADDCARRY(sum);} - -int in4_cksum(struct mbuf *, u_int8_t, int, int); - -int -in4_cksum(struct mbuf *m, u_int8_t nxt, int off, int len) -{ - union { - struct ipovly ipov; - u_int16_t w[10]; - } u; - union { - u_int16_t s[2]; - u_int32_t l; - } l_util; - - u_int16_t *w; - int psum; - int sum = 0; - - if (nxt != 0) { - /* pseudo header */ - if (off < sizeof(struct ipovly)) - panic("in4_cksum: offset too short"); - if (m->m_len < sizeof(struct ip)) - panic("in4_cksum: bad mbuf chain"); - bzero(&u.ipov, sizeof(u.ipov)); - u.ipov.ih_len = htons(len); - u.ipov.ih_pr = nxt; - u.ipov.ih_src = mtod(m, struct ip *)->ip_src; - u.ipov.ih_dst = mtod(m, struct ip *)->ip_dst; - w = u.w; - /* assumes sizeof(ipov) == 20 */ - sum += w[0]; sum += w[1]; sum += w[2]; sum += w[3]; sum += w[4]; - sum += w[5]; sum += w[6]; sum += w[7]; sum += w[8]; sum += w[9]; - } - - psum = in_cksum_skip(m, len + off, off); - psum = ~psum & 0xffff; - sum += psum; - REDUCE; - return (~sum & 0xffff); -} |