diff options
Diffstat (limited to 'usr.sbin/ppp/proto.c')
-rw-r--r-- | usr.sbin/ppp/proto.c | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/usr.sbin/ppp/proto.c b/usr.sbin/ppp/proto.c deleted file mode 100644 index 2c2c26d..0000000 --- a/usr.sbin/ppp/proto.c +++ /dev/null @@ -1,115 +0,0 @@ -/*- - * Copyright (c) 1999 Brian Somers <brian@Awfulhak.org> - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. - * - * $FreeBSD$ - */ - -#include <sys/types.h> - -#include <stdio.h> -#include <termios.h> - -#include "layer.h" -#include "acf.h" -#include "defs.h" -#include "log.h" -#include "timer.h" -#include "fsm.h" -#include "mbuf.h" -#include "proto.h" -#include "throughput.h" -#include "lqr.h" -#include "hdlc.h" -#include "lcp.h" -#include "ccp.h" -#include "link.h" - -int -proto_WrapperOctets(struct lcp *lcp, u_short proto) -{ - return (lcp->his_protocomp && !(proto & 0xff00)) ? 1 : 2; -} - -struct mbuf * -proto_Prepend(struct mbuf *bp, u_short proto, unsigned comp, int extra) -{ - u_char cp[2]; - - cp[0] = proto >> 8; - cp[1] = proto & 0xff; - - if (comp && cp[0] == 0) - bp = m_prepend(bp, cp + 1, 1, extra); - else - bp = m_prepend(bp, cp, 2, extra); - - return bp; -} - -static struct mbuf * -proto_LayerPush(struct bundle *b __unused, struct link *l, struct mbuf *bp, - int pri __unused, u_short *proto) -{ - log_Printf(LogDEBUG, "proto_LayerPush: Using 0x%04x\n", *proto); - bp = proto_Prepend(bp, *proto, l->lcp.his_protocomp, - acf_WrapperOctets(&l->lcp, *proto)); - m_settype(bp, MB_PROTOOUT); - link_ProtocolRecord(l, *proto, PROTO_OUT); - - return bp; -} - -static struct mbuf * -proto_LayerPull(struct bundle *b __unused, struct link *l, struct mbuf *bp, - u_short *proto) -{ - u_char cp[2]; - size_t got; - - if ((got = mbuf_View(bp, cp, 2)) == 0) { - m_freem(bp); - return NULL; - } - - *proto = cp[0]; - if (!(*proto & 1)) { - if (got == 1) { - m_freem(bp); - return NULL; - } - bp = mbuf_Read(bp, cp, 2); - *proto = (*proto << 8) | cp[1]; - } else - bp = mbuf_Read(bp, cp, 1); - - log_Printf(LogDEBUG, "proto_LayerPull: unknown -> 0x%04x\n", *proto); - m_settype(bp, MB_PROTOIN); - link_ProtocolRecord(l, *proto, PROTO_IN); - - return bp; -} - -struct layer protolayer = - { LAYER_PROTO, "proto", proto_LayerPush, proto_LayerPull }; |