Adding upstream version 8.4.4.upstream/8.4.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 421 insertions, 0 deletions

diff --git a/lib/zebra.h b/lib/zebra.h
new file mode 100644
index 0000000..53ae5b4
--- /dev/null
+++ b/lib/zebra.h
@@ -0,0 +1,421 @@
+/* Zebra common header.
+ * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Kunihiro Ishiguro
+ *
+ * This file is part of GNU Zebra.
+ *
+ * GNU Zebra is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2, or (at your option) any
+ * later version.
+ *
+ * GNU Zebra is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef _ZEBRA_H
+#define _ZEBRA_H
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+
+#include "compiler.h"
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <string.h>
+#include <pwd.h>
+#include <grp.h>
+#ifdef HAVE_STROPTS_H
+#include <stropts.h>
+#endif /* HAVE_STROPTS_H */
+#include <sys/select.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#ifdef HAVE_SYS_SYSCTL_H
+#ifdef GNU_LINUX
+#include <linux/types.h>
+#else
+#include <sys/sysctl.h>
+#endif
+#endif /* HAVE_SYS_SYSCTL_H */
+#include <sys/ioctl.h>
+#ifdef HAVE_SYS_CONF_H
+#include <sys/conf.h>
+#endif /* HAVE_SYS_CONF_H */
+#ifdef HAVE_SYS_KSYM_H
+#include <sys/ksym.h>
+#endif /* HAVE_SYS_KSYM_H */
+#include <syslog.h>
+#include <sys/time.h>
+#include <time.h>
+#include <sys/uio.h>
+#include <sys/utsname.h>
+#include <sys/resource.h>
+#include <limits.h>
+#include <inttypes.h>
+#include <stdbool.h>
+#ifdef HAVE_SYS_ENDIAN_H
+#include <sys/endian.h>
+#endif
+#ifdef HAVE_ENDIAN_H
+#include <endian.h>
+#endif
+
+/* machine dependent includes */
+#ifdef HAVE_LINUX_VERSION_H
+#include <linux/version.h>
+#endif /* HAVE_LINUX_VERSION_H */
+
+#ifdef HAVE_ASM_TYPES_H
+#include <asm/types.h>
+#endif /* HAVE_ASM_TYPES_H */
+
+/* misc include group */
+#include <stdarg.h>
+
+#ifdef HAVE_LCAPS
+#include <sys/capability.h>
+#include <sys/prctl.h>
+#endif /* HAVE_LCAPS */
+
+/* network include group */
+
+#include <sys/socket.h>
+
+#ifdef HAVE_SYS_SOCKIO_H
+#include <sys/sockio.h>
+#endif /* HAVE_SYS_SOCKIO_H */
+
+#ifdef __APPLE__
+#define __APPLE_USE_RFC_3542
+#endif
+
+#ifndef HAVE_LIBCRYPT
+#ifdef HAVE_LIBCRYPTO
+#include <openssl/des.h>
+#      define crypt DES_crypt
+#endif
+#endif
+
+#ifdef CRYPTO_OPENSSL
+#include <openssl/evp.h>
+#include <openssl/hmac.h>
+#endif
+
+#include "openbsd-tree.h"
+
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/tcp.h>
+
+#ifdef HAVE_NET_NETOPT_H
+#include <net/netopt.h>
+#endif /* HAVE_NET_NETOPT_H */
+
+#include <net/if.h>
+
+#ifdef HAVE_NET_IF_DL_H
+#include <net/if_dl.h>
+#endif /* HAVE_NET_IF_DL_H */
+
+#ifdef HAVE_NET_IF_VAR_H
+#include <net/if_var.h>
+#endif /* HAVE_NET_IF_VAR_H */
+
+#include <net/route.h>
+
+#ifdef HAVE_NETLINK
+#include <linux/netlink.h>
+#include <linux/rtnetlink.h>
+#include <linux/filter.h>
+#else
+#define RT_TABLE_MAIN		0
+#endif /* HAVE_NETLINK */
+
+#include <netdb.h>
+#include <arpa/inet.h>
+
+#ifdef HAVE_INET_ND_H
+#include <inet/nd.h>
+#endif /* HAVE_INET_ND_H */
+
+#ifdef HAVE_NETINET_IN_VAR_H
+#include <netinet/in_var.h>
+#endif /* HAVE_NETINET_IN_VAR_H */
+
+#ifdef HAVE_NETINET6_IN6_VAR_H
+#include <netinet6/in6_var.h>
+#endif /* HAVE_NETINET6_IN6_VAR_H */
+
+#ifdef HAVE_NETINET_IN6_VAR_H
+#include <netinet/in6_var.h>
+#endif /* HAVE_NETINET_IN6_VAR_H */
+
+#ifdef HAVE_NETINET6_IN_H
+#include <netinet6/in.h>
+#endif /* HAVE_NETINET6_IN_H */
+
+
+#ifdef HAVE_NETINET6_IP6_H
+#include <netinet6/ip6.h>
+#endif /* HAVE_NETINET6_IP6_H */
+
+#include <netinet/icmp6.h>
+
+#ifdef HAVE_NETINET6_ND6_H
+#include <netinet6/nd6.h>
+#endif /* HAVE_NETINET6_ND6_H */
+
+/* Some systems do not define UINT32_MAX, etc.. from inttypes.h
+ * e.g. this makes life easier for FBSD 4.11 users.
+ */
+#ifndef INT16_MAX
+#define INT16_MAX	(32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX	(2147483647)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX	(65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX	(4294967295U)
+#endif
+
+#ifdef HAVE_GLIBC_BACKTRACE
+#include <execinfo.h>
+#endif /* HAVE_GLIBC_BACKTRACE */
+
+/* Local includes: */
+#if !(defined(__GNUC__) || defined(VTYSH_EXTRACT_PL))
+#define __attribute__(x)
+#endif /* !__GNUC__ || VTYSH_EXTRACT_PL */
+
+#include <assert.h>
+
+/*
+ * Add explicit static cast only when using a C++ compiler.
+ */
+#ifdef __cplusplus
+#define static_cast(l, r) static_cast<decltype(l)>((r))
+#else
+#define static_cast(l, r) (r)
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef HAVE_STRLCAT
+size_t strlcat(char *__restrict dest,
+	       const char *__restrict src, size_t destsize);
+#endif
+#ifndef HAVE_STRLCPY
+size_t strlcpy(char *__restrict dest,
+	       const char *__restrict src, size_t destsize);
+#endif
+
+#ifndef HAVE_EXPLICIT_BZERO
+void explicit_bzero(void *buf, size_t len);
+#endif
+
+#if !defined(HAVE_STRUCT_MMSGHDR_MSG_HDR) || !defined(HAVE_SENDMMSG)
+/* avoid conflicts in case we have partial support */
+#define mmsghdr frr_mmsghdr
+#define sendmmsg frr_sendmmsg
+
+struct mmsghdr {
+	struct msghdr msg_hdr;
+	unsigned int msg_len;
+};
+
+/* just go 1 at a time here, the loop this is used in will handle the rest */
+static inline int sendmmsg(int fd, struct mmsghdr *mmh, unsigned int len,
+			   int flags)
+{
+	int rv = sendmsg(fd, &mmh->msg_hdr, 0);
+
+	return rv > 0 ? 1 : rv;
+}
+#endif
+
+/*
+ * RFC 3542 defines several macros for using struct cmsghdr.
+ * Here, we define those that are not present
+ */
+
+/*
+ * Internal defines, for use only in this file.
+ * These are likely wrong on other than ILP32 machines, so warn.
+ */
+#ifndef _CMSG_DATA_ALIGN
+#define _CMSG_DATA_ALIGN(n)           (((n) + 3) & ~3)
+#endif /* _CMSG_DATA_ALIGN */
+
+#ifndef _CMSG_HDR_ALIGN
+#define _CMSG_HDR_ALIGN(n)            (((n) + 3) & ~3)
+#endif /* _CMSG_HDR_ALIGN */
+
+/*
+ * CMSG_SPACE and CMSG_LEN are required in RFC3542, but were new in that
+ * version.
+ */
+#ifndef CMSG_SPACE
+#define CMSG_SPACE(l)                                                          \
+	(_CMSG_DATA_ALIGN(sizeof(struct cmsghdr)) + _CMSG_HDR_ALIGN(l))
+#warning "assuming 4-byte alignment for CMSG_SPACE"
+#endif /* CMSG_SPACE */
+
+
+#ifndef CMSG_LEN
+#define CMSG_LEN(l)         (_CMSG_DATA_ALIGN(sizeof(struct cmsghdr)) + (l))
+#warning "assuming 4-byte alignment for CMSG_LEN"
+#endif /* CMSG_LEN */
+
+
+/*  The definition of struct in_pktinfo is missing in old version of
+    GLIBC 2.1 (Redhat 6.1).  */
+#if defined(GNU_LINUX) && !defined(HAVE_STRUCT_IN_PKTINFO)
+struct in_pktinfo {
+	int ipi_ifindex;
+	struct in_addr ipi_spec_dst;
+	struct in_addr ipi_addr;
+};
+#endif
+
+/*
+ * IP_HDRINCL / struct ip byte order
+ *
+ * Linux: network byte order
+ * *BSD: network, except for length and offset. (cf Stevens)
+ * SunOS: nominally as per BSD. but bug: network order on LE.
+ * OpenBSD: network byte order, apart from older versions which are as per
+ *          *BSD
+ */
+#if defined(__NetBSD__)                                                        \
+	|| (defined(__FreeBSD__) && (__FreeBSD_version < 1100030))             \
+	|| (defined(__OpenBSD__) && (OpenBSD < 200311))                        \
+	|| (defined(__APPLE__))
+#define HAVE_IP_HDRINCL_BSD_ORDER
+#endif
+
+/* autoconf macros for this are deprecated, just find endian.h */
+#ifndef BYTE_ORDER
+#error please locate an endian.h file appropriate to your platform
+#endif
+
+/* For old definition. */
+#ifndef IN6_ARE_ADDR_EQUAL
+#define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL
+#endif /* IN6_ARE_ADDR_EQUAL */
+
+/* default zebra TCP port for zclient */
+#define ZEBRA_PORT			2600
+
+/*
+ * The compiler.h header is used for anyone using the CPP_NOTICE
+ * since this is universally needed, let's add it to zebra.h
+ */
+#include "compiler.h"
+
+/* Zebra route's types are defined in route_types.h */
+#include "lib/route_types.h"
+
+#define strmatch(a,b) (!strcmp((a), (b)))
+
+#ifndef INADDR_LOOPBACK
+#define	INADDR_LOOPBACK	0x7f000001	/* Internet address 127.0.0.1.  */
+#endif
+
+/* Address family numbers from RFC1700. */
+typedef enum {
+	AFI_UNSPEC = 0,
+	AFI_IP = 1,
+	AFI_IP6 = 2,
+	AFI_L2VPN = 3,
+	AFI_MAX = 4
+} afi_t;
+
+#define IS_VALID_AFI(a) ((a) > AFI_UNSPEC && (a) < AFI_MAX)
+
+/* Subsequent Address Family Identifier. */
+typedef enum {
+	SAFI_UNSPEC = 0,
+	SAFI_UNICAST = 1,
+	SAFI_MULTICAST = 2,
+	SAFI_MPLS_VPN = 3,
+	SAFI_ENCAP = 4,
+	SAFI_EVPN = 5,
+	SAFI_LABELED_UNICAST = 6,
+	SAFI_FLOWSPEC = 7,
+	SAFI_MAX = 8
+} safi_t;
+
+#define FOREACH_AFI_SAFI(afi, safi)                                            \
+	for (afi = AFI_IP; afi < AFI_MAX; afi++)                               \
+		for (safi = SAFI_UNICAST; safi < SAFI_MAX; safi++)
+
+#define FOREACH_AFI_SAFI_NSF(afi, safi)                                        \
+	for (afi = AFI_IP; afi < AFI_MAX; afi++)                               \
+		for (safi = SAFI_UNICAST; safi <= SAFI_MPLS_VPN; safi++)
+
+/* Default Administrative Distance of each protocol. */
+#define ZEBRA_KERNEL_DISTANCE_DEFAULT      0
+#define ZEBRA_CONNECT_DISTANCE_DEFAULT     0
+#define ZEBRA_STATIC_DISTANCE_DEFAULT      1
+#define ZEBRA_RIP_DISTANCE_DEFAULT       120
+#define ZEBRA_RIPNG_DISTANCE_DEFAULT     120
+#define ZEBRA_OSPF_DISTANCE_DEFAULT      110
+#define ZEBRA_OSPF6_DISTANCE_DEFAULT     110
+#define ZEBRA_ISIS_DISTANCE_DEFAULT      115
+#define ZEBRA_IBGP_DISTANCE_DEFAULT      200
+#define ZEBRA_EBGP_DISTANCE_DEFAULT       20
+#define ZEBRA_TABLE_DISTANCE_DEFAULT      15
+
+/* Flag manipulation macros. */
+#define CHECK_FLAG(V,F)      ((V) & (F))
+#define SET_FLAG(V,F)        (V) |= (F)
+#define UNSET_FLAG(V,F)      (V) &= ~(F)
+#define RESET_FLAG(V)        (V) = 0
+#define COND_FLAG(V, F, C)   ((C) ? (SET_FLAG(V, F)) : (UNSET_FLAG(V, F)))
+
+/* Atomic flag manipulation macros. */
+#define CHECK_FLAG_ATOMIC(PV, F)                                               \
+	((atomic_load_explicit(PV, memory_order_seq_cst)) & (F))
+#define SET_FLAG_ATOMIC(PV, F)                                                 \
+	((atomic_fetch_or_explicit(PV, (F), memory_order_seq_cst)))
+#define UNSET_FLAG_ATOMIC(PV, F)                                               \
+	((atomic_fetch_and_explicit(PV, ~(F), memory_order_seq_cst)))
+#define RESET_FLAG_ATOMIC(PV)                                                  \
+	((atomic_store_explicit(PV, 0, memory_order_seq_cst)))
+
+/* VRF ID type. */
+typedef uint32_t vrf_id_t;
+
+typedef uint32_t route_tag_t;
+#define ROUTE_TAG_MAX UINT32_MAX
+#define ROUTE_TAG_PRI PRIu32
+
+/* Name of hook calls */
+#define ZEBRA_ON_RIB_PROCESS_HOOK_CALL "on_rib_process_dplane_results"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _ZEBRA_H */