[src/bouyer-socketcan]: src/external/bsd/dhcpcd/dist/src 2552827

[roy <roy%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4beec1d97bec
branches:  bouyer-socketcan
changeset: 820857:4beec1d97bec
user:      roy <roy%NetBSD.org@localhost>
date:      Sun Apr 02 18:54:21 2017 +0000

description:
2552827

diffstat:

 external/bsd/dhcpcd/dist/src/ipv4ll.h |  81 +++++++++++++++++++++++++++++++++++
 1 files changed, 81 insertions(+), 0 deletions(-)

diffs (85 lines):

diff -r ed55c1ba4e32 -r 4beec1d97bec external/bsd/dhcpcd/dist/src/ipv4ll.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/external/bsd/dhcpcd/dist/src/ipv4ll.h     Sun Apr 02 18:54:21 2017 +0000
@@ -0,0 +1,81 @@
+/*
+ * dhcpcd - DHCP client daemon
+ * Copyright (c) 2006-2017 Roy Marples <roy%marples.name@localhost>
+ * 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.
+ */
+
+#ifndef IPV4LL_H
+#define IPV4LL_H
+
+#define        LINKLOCAL_ADDR          0xa9fe0000
+#define        LINKLOCAL_MASK          IN_CLASSB_NET
+#define        LINKLOCAL_BCAST         (LINKLOCAL_ADDR | ~LINKLOCAL_MASK)
+
+#ifndef IN_LINKLOCAL
+# define IN_LINKLOCAL(addr) ((addr & IN_CLASSB_NET) == LINKLOCAL_ADDR)
+#endif
+
+#ifdef IPV4LL
+#include "arp.h"
+
+struct ipv4ll_state {
+       struct ipv4_addr *addr;
+       struct arp_state *arp;
+       unsigned int conflicts;
+       struct timespec defend;
+       char randomstate[128];
+       uint8_t down;
+};
+
+#define        IPV4LL_STATE(ifp)                                                      \
+       ((struct ipv4ll_state *)(ifp)->if_data[IF_DATA_IPV4LL])
+#define        IPV4LL_CSTATE(ifp)                                                     \
+       ((const struct ipv4ll_state *)(ifp)->if_data[IF_DATA_IPV4LL])
+#define        IPV4LL_STATE_RUNNING(ifp)                                              \
+       (IPV4LL_CSTATE((ifp)) && !IPV4LL_CSTATE((ifp))->down &&                \
+       (IPV4LL_CSTATE((ifp))->addr != NULL))
+
+int ipv4ll_subnetroute(struct rt_head *, struct interface *);
+int ipv4ll_defaultroute(struct rt_head *,struct interface *);
+ssize_t ipv4ll_env(char **, const char *, const struct interface *);
+void ipv4ll_start(void *);
+void ipv4ll_claimed(void *);
+void ipv4ll_handle_failure(void *);
+#ifdef HAVE_ROUTE_METRIC
+int ipv4ll_recvrt(int, const struct rt *);
+#endif
+
+#define        ipv4ll_free(ifp)                ipv4ll_freedrop((ifp), 0);
+#define        ipv4ll_drop(ifp)                ipv4ll_freedrop((ifp), 1);
+void ipv4ll_freedrop(struct interface *, int);
+#else
+#define        IPV4LL_STATE_RUNNING(ifp)       (0)
+#define        ipv4ll_subnetroute(route, ifp)  (0)
+#define        ipv4ll_defaultroute(route, ifp) (0)
+#define        ipv4ll_handlert(a, b, c)        (0)
+#define        ipv4ll_free(a)                  {}
+#define        ipv4ll_drop(a)                  {}
+#endif
+
+#endif