# -*- autoconf -*-
-# Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Nicira, Inc.
+# Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2019 Nicira, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
fi
AC_MSG_RESULT([$kversion])
- if test "$version" -ge 4; then
- if test "$version" = 4 && test "$patchlevel" -le 18; then
- : # Linux 4.x
+ if test "$version" -ge 5; then
+ if test "$version" = 5 && test "$patchlevel" -le 0; then
+ : # Linux 5.x
else
- AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 4.18.x is not supported (please refer to the FAQ for advice)])
+ AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 5.0.x is not supported (please refer to the FAQ for advice)])
fi
+ elif test "$version" = 4; then
+ : # Linux 4.x
elif test "$version" = 3 && test "$patchlevel" -ge 10; then
: # Linux 3.x
else
AM_CONDITIONAL(LINUX_ENABLED, test -n "$KBUILD")
])
+dnl OVS_CHECK_LINUX_NETLINK
+dnl
+dnl Configure Linux netlink compat.
+AC_DEFUN([OVS_CHECK_LINUX_NETLINK], [
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([#include <linux/netlink.h>], [
+ struct nla_bitfield32 x = { 0 };
+ ])],
+ [AC_DEFINE([HAVE_NLA_BITFIELD32], [1],
+ [Define to 1 if struct nla_bitfield32 is available.])])
+])
+
dnl OVS_CHECK_LINUX_TC
dnl
dnl Configure Linux tc compat.
AC_DEFUN([OVS_CHECK_LINUX_TC], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([#include <linux/pkt_cls.h>], [
- int x = TCA_FLOWER_KEY_ENC_IP_TTL_MASK;
+ int x = TCA_ACT_FLAGS;
])],
- [AC_DEFINE([HAVE_TCA_FLOWER_KEY_ENC_IP_TTL_MASK], [1],
- [Define to 1 if TCA_FLOWER_KEY_ENC_IP_TTL_MASK is available.])])
+ [AC_DEFINE([HAVE_TCA_ACT_FLAGS], [1],
+ [Define to 1 if TCA_ACT_FLAGS is available.])])
+
+ AC_CHECK_MEMBERS([struct tcf_t.firstuse], [], [], [#include <linux/pkt_cls.h>])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([#include <linux/tc_act/tc_vlan.h>], [
[AC_DEFINE([HAVE_TCA_VLAN_PUSH_VLAN_PRIORITY], [1],
[Define to 1 if TCA_VLAN_PUSH_VLAN_PRIORITY is available.])])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([#include <linux/tc_act/tc_mpls.h>], [
+ int x = TCA_MPLS_TTL;
+ ])],
+ [AC_DEFINE([HAVE_TCA_MPLS_TTL], [1],
+ [Define to 1 if HAVE_TCA_MPLS_TTL is available.])])
+
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([#include <linux/tc_act/tc_tunnel_key.h>], [
int x = TCA_TUNNEL_KEY_ENC_TTL;
])],
[AC_DEFINE([HAVE_TCA_PEDIT_KEY_EX_HDR_TYPE_UDP], [1],
[Define to 1 if TCA_PEDIT_KEY_EX_HDR_TYPE_UDP is available.])])
+
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([#include <linux/tc_act/tc_skbedit.h>], [
+ int x = TCA_SKBEDIT_FLAGS;
+ ])],
+ [AC_DEFINE([HAVE_TCA_SKBEDIT_FLAGS], [1],
+ [Define to 1 if TCA_SKBEDIT_FLAGS is available.])])
+])
+
+dnl OVS_CHECK_LINUX_SCTP_CT
+dnl
+dnl Checks for kernels which need additional SCTP state
+AC_DEFUN([OVS_CHECK_LINUX_SCTP_CT], [
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([#include <linux/netfilter/nfnetlink.h>
+#include <linux/netfilter/nfnetlink_conntrack.h>
+#include <linux/netfilter/nf_conntrack_common.h>
+#include <linux/netfilter/nf_conntrack_sctp.h>], [
+ int x = SCTP_CONNTRACK_HEARTBEAT_SENT;
+ ])],
+ [AC_DEFINE([HAVE_SCTP_CONNTRACK_HEARTBEATS], [1],
+ [Define to 1 if SCTP_CONNTRACK_HEARTBEAT_SENT is available.])])
+])
+
+dnl OVS_FIND_DEPENDENCY(FUNCTION, SEARCH_LIBS, NAME_TO_PRINT)
+dnl
+dnl Check for a function in a library list.
+AC_DEFUN([OVS_FIND_DEPENDENCY], [
+ AC_SEARCH_LIBS([$1], [$2], [], [
+ AC_MSG_ERROR([unable to find $3, install the dependency package])
+ ])
+])
+
+dnl OVS_CHECK_LINUX_AF_XDP
+dnl
+dnl Check both Linux kernel AF_XDP and libbpf support
+AC_DEFUN([OVS_CHECK_LINUX_AF_XDP], [
+ AC_ARG_ENABLE([afxdp],
+ [AC_HELP_STRING([--enable-afxdp], [Enable AF-XDP support])],
+ [], [enable_afxdp=no])
+ AC_MSG_CHECKING([whether AF_XDP is enabled])
+ if test "$enable_afxdp" != yes; then
+ AC_MSG_RESULT([no])
+ AF_XDP_ENABLE=false
+ else
+ AC_MSG_RESULT([yes])
+ AF_XDP_ENABLE=true
+
+ AC_CHECK_HEADER([bpf/libbpf.h], [],
+ [AC_MSG_ERROR([unable to find bpf/libbpf.h for AF_XDP support])])
+
+ AC_CHECK_HEADER([linux/if_xdp.h], [],
+ [AC_MSG_ERROR([unable to find linux/if_xdp.h for AF_XDP support])])
+
+ AC_CHECK_HEADER([bpf/xsk.h], [],
+ [AC_MSG_ERROR([unable to find bpf/xsk.h for AF_XDP support])])
+
+ AC_CHECK_FUNCS([pthread_spin_lock], [],
+ [AC_MSG_ERROR([unable to find pthread_spin_lock for AF_XDP support])])
+
+ AC_DEFINE([HAVE_AF_XDP], [1],
+ [Define to 1 if AF_XDP support is available and enabled.])
+ LIBBPF_LDADD=" -lbpf -lelf"
+ AC_SUBST([LIBBPF_LDADD])
+
+ AC_CHECK_DECL([xsk_ring_prod__needs_wakeup], [
+ AC_DEFINE([HAVE_XDP_NEED_WAKEUP], [1],
+ [XDP need wakeup support detected in xsk.h.])
+ ], [], [[#include <bpf/xsk.h>]])
+ fi
+ AM_CONDITIONAL([HAVE_AF_XDP], test "$AF_XDP_ENABLE" = true)
])
dnl OVS_CHECK_DPDK
[Specify the DPDK build directory])],
[have_dpdk=true])
- AC_MSG_CHECKING([whether dpdk datapath is enabled])
+ AC_MSG_CHECKING([whether dpdk is enabled])
if test "$have_dpdk" != true || test "$with_dpdk" = no; then
AC_MSG_RESULT([no])
DPDKLIB_FOUND=false
AC_MSG_ERROR([unable to find rte_config.h in $with_dpdk])
], [AC_INCLUDES_DEFAULT])
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM(
- [
- #include <rte_config.h>
-#if defined(RTE_LIBRTE_VHOST_NUMA) || defined(RTE_EAL_NUMA_AWARE_HUGEPAGES)
-#error
-#endif
- ], [])
- ], [],
- [AC_SEARCH_LIBS([get_mempolicy],[numa],[],[AC_MSG_ERROR([unable to find libnuma, install the dependency package])])
- AC_DEFINE([VHOST_NUMA], [1], [NUMA Aware vHost support detected in DPDK.])])
-
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM(
- [
- #include <rte_config.h>
-#if RTE_LIBRTE_PMD_PCAP
-#error
-#endif
- ], [])
- ], [],
- [AC_SEARCH_LIBS([pcap_dump],[pcap],[],[AC_MSG_ERROR([unable to find libpcap, install the dependency package])])
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM(
- [
- #include <rte_config.h>
-#if RTE_LIBRTE_PDUMP
-#error
-#endif
- ], [])
- ], [],
- [AC_DEFINE([DPDK_PDUMP], [1], [DPDK pdump enabled in OVS.])])
- ])
-
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM(
- [
- #include <rte_config.h>
-#if RTE_LIBRTE_MLX5_PMD
-#error
-#endif
- ], [])
- ], [],
- [AC_SEARCH_LIBS([mnl_attr_put],[mnl],[],[AC_MSG_ERROR([unable to find libmnl, install the dependency package])])
- AC_DEFINE([DPDK_MNL], [1], [MLX5 PMD detected in DPDK.])])
-
- # On some systems we have to add -ldl to link with dpdk
- #
- # This code, at first, tries to link without -ldl (""),
- # then adds it and tries again.
- # Before each attempt the search cache must be unset,
- # otherwise autoconf will stick with the old result
+ AC_CHECK_DECLS([RTE_LIBRTE_VHOST_NUMA, RTE_EAL_NUMA_AWARE_HUGEPAGES], [
+ OVS_FIND_DEPENDENCY([get_mempolicy], [numa], [libnuma])
+ ], [], [[#include <rte_config.h>]])
+
+ AC_CHECK_DECL([RTE_LIBRTE_VHOST_NUMA], [
+ AC_DEFINE([VHOST_NUMA], [1], [NUMA Aware vHost support detected in DPDK.])
+ ], [], [[#include <rte_config.h>]])
+
+ AC_MSG_CHECKING([whether DPDK pdump support is enabled])
+ AC_ARG_ENABLE(
+ [dpdk-pdump],
+ [AC_HELP_STRING([--enable-dpdk-pdump],
+ [Enable DPDK pdump packet capture support])],
+ [AC_MSG_RESULT([yes])
+ AC_MSG_WARN([DPDK pdump is deprecated, consider using ovs-tcpdump instead])
+ AC_CHECK_DECL([RTE_LIBRTE_PMD_PCAP], [
+ OVS_FIND_DEPENDENCY([pcap_dump], [pcap], [libpcap])
+ AC_CHECK_DECL([RTE_LIBRTE_PDUMP], [
+ AC_DEFINE([DPDK_PDUMP], [1], [DPDK pdump enabled in OVS.])
+ ], [
+ AC_MSG_ERROR([RTE_LIBRTE_PDUMP is not defined in rte_config.h])
+ ], [[#include <rte_config.h>]])
+ ], [
+ AC_MSG_ERROR([RTE_LIBRTE_PMD_PCAP is not defined in rte_config.h])
+ ], [[#include <rte_config.h>]])],
+ [AC_MSG_RESULT([no])])
+
+ AC_CHECK_DECL([RTE_LIBRTE_MLX5_PMD], [dnl found
+ OVS_FIND_DEPENDENCY([mnl_attr_put], [mnl], [libmnl])
+ AC_CHECK_DECL([RTE_LIBRTE_MLX5_DLOPEN_DEPS], [], [dnl not found
+ OVS_FIND_DEPENDENCY([mlx5dv_create_wq], [mlx5], [libmlx5])
+ OVS_FIND_DEPENDENCY([verbs_init_cq], [ibverbs], [libibverbs])
+ ], [[#include <rte_config.h>]])
+ ], [], [[#include <rte_config.h>]])
+
+ AC_CHECK_DECL([RTE_LIBRTE_MLX4_PMD], [dnl found
+ AC_CHECK_DECL([RTE_LIBRTE_MLX4_DLOPEN_DEPS], [], [dnl not found
+ OVS_FIND_DEPENDENCY([mlx4dv_init_obj], [mlx4], [libmlx4])
+ OVS_FIND_DEPENDENCY([verbs_init_cq], [ibverbs], [libibverbs])
+ ], [[#include <rte_config.h>]])
+ ], [], [[#include <rte_config.h>]])
+
+ # DPDK uses dlopen to load plugins.
+ OVS_FIND_DEPENDENCY([dlopen], [dl], [libdl])
+
+ AC_MSG_CHECKING([whether linking with dpdk works])
+ LIBS="$DPDK_LIB $LIBS"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([#include <rte_config.h>
+ #include <rte_eal.h>],
+ [int rte_argc; char ** rte_argv;
+ rte_eal_init(rte_argc, rte_argv);])],
+ [AC_MSG_RESULT([yes])
+ DPDKLIB_FOUND=true],
+ [AC_MSG_RESULT([no])
+ if test "$DPDK_AUTO_DISCOVER" = "true"; then
+ AC_MSG_ERROR(m4_normalize([
+ Could not find DPDK library in default search path, Use --with-dpdk
+ to specify the DPDK library installed in non-standard location]))
+ else
+ AC_MSG_ERROR([Could not find DPDK libraries in $DPDK_LIB_DIR])
+ fi
+ ])
- DPDKLIB_FOUND=false
- save_LIBS=$LIBS
- for extras in "" "-ldl"; do
- LIBS="$DPDK_LIB $extras $save_LIBS"
- AC_LINK_IFELSE(
- [AC_LANG_PROGRAM([#include <rte_config.h>
- #include <rte_eal.h>],
- [int rte_argc; char ** rte_argv;
- rte_eal_init(rte_argc, rte_argv);])],
- [DPDKLIB_FOUND=true])
- if $DPDKLIB_FOUND; then
- break
- fi
- done
-
- # If linking unsuccessful
- if test "$DPDKLIB_FOUND" = "false" ; then
- if $DPDK_AUTO_DISCOVER; then
- AC_MSG_ERROR([Could not find DPDK library in default search path, Use --with-dpdk to specify the DPDK library installed in non-standard location])
- else
- AC_MSG_ERROR([Could not find DPDK libraries in $DPDK_LIB_DIR])
- fi
- fi
CFLAGS="$ovs_save_CFLAGS"
LDFLAGS="$ovs_save_LDFLAGS"
if test "$DPDK_AUTO_DISCOVER" = "false"; then
OVS_GREP_IFELSE([$KSRC/include/linux/if_link.h], [rtnl_link_stats64])
OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [vlan_set_encap_proto])
OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [vlan_hwaccel_push_inside])
+ OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [__vlan_hwaccel_clear_tag])
OVS_GREP_IFELSE([$KSRC/include/linux/in.h], [ipv4_is_multicast])
OVS_GREP_IFELSE([$KSRC/include/linux/in.h], [proto_ports_offset])
[max_mtu])
OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/netdevice.h], [net_device_ops_extended],
[ndo_change_mtu], [OVS_DEFINE([HAVE_RHEL7_MAX_MTU])])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/linux/netdevice.h],
+ [dev_change_flags], [extack],
+ [OVS_DEFINE([HAVE_DEV_CHANGE_FLAGS_TAKES_EXTACK])])
OVS_GREP_IFELSE([$KSRC/include/linux/netfilter.h], [nf_hook_state])
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/netfilter.h], [nf_hook_state],
+ [struct net ], [OVS_DEFINE([HAVE_NF_HOOK_STATE_NET])])
OVS_GREP_IFELSE([$KSRC/include/linux/netfilter.h], [nf_register_net_hook])
OVS_GREP_IFELSE([$KSRC/include/linux/netfilter.h], [nf_hookfn.*nf_hook_ops],
[OVS_DEFINE([HAVE_NF_HOOKFN_ARG_OPS])])
OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/netfilter.h], [nf_hook_ops],
[owner], [OVS_DEFINE([HAVE_NF_HOOKS_OPS_OWNER])])
OVS_GREP_IFELSE([$KSRC/include/linux/netfilter.h], [NFPROTO_INET])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netfilter.h], [CONFIG_NF_NAT_NEEDED])
OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/netfilter_ipv6.h], [nf_ipv6_ops],
[nf_ct_set])
OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack.h],
[nf_ct_is_untracked])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack.h],
+ [nf_ct_invert_tuplepr])
OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_zones.h],
[nf_ct_zone_init])
OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_l3proto.h],
OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_nat.h], [nf_ct_nat_ext_add])
OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_nat.h], [nf_nat_alloc_null_binding])
OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_nat.h], [nf_nat_range2])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_nat.h], [nf_nat_packet],
+ [OVS_DEFINE([HAVE_UPSTREAM_NF_NAT])])
OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_seqadj.h], [nf_ct_seq_adjust])
OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_count.h], [nf_conncount_gc_list],
- [OVS_DEFINE([HAVE_UPSTREAM_NF_CONNCOUNT])])
-
- OVS_GREP_IFELSE([$KSRC/include/linux/random.h], [prandom_u32])
+ [OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_count.h],
+ [int nf_conncount_add],
+ [], [OVS_DEFINE([HAVE_UPSTREAM_NF_CONNCOUNT])])])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_timeout.h], [nf_ct_set_timeout])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_timeout.h], [struct nf_ct_timeout],
+ [OVS_DEFINE([HAVE_NF_CT_TIMEOUT])])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_timeout.h],
+ [\(*nf_ct_timeout_find_get_hook\)], [net],
+ [OVS_DEFINE([HAVE_NF_CT_TIMEOUT_FIND_GET_HOOK_NET])])
+
+ OVS_GREP_IFELSE([$KSRC/include/linux/random.h],
+ [prandom_u32[[\(]]],
+ [OVS_DEFINE([HAVE_PRANDOM_U32])])
OVS_GREP_IFELSE([$KSRC/include/linux/random.h], [prandom_u32_max])
OVS_GREP_IFELSE([$KSRC/include/net/rtnetlink.h], [get_link_net])
[rcu_read_lock_held])])
OVS_GREP_IFELSE([$KSRC/include/linux/rtnetlink.h], [lockdep_rtnl_is_held])
OVS_GREP_IFELSE([$KSRC/include/linux/rtnetlink.h], [net_rwsem])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/net/rtnetlink.h],
+ [rtnl_create_link], [extack],
+ [OVS_DEFINE([HAVE_RTNL_CREATE_LINK_TAKES_EXTACK])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [nf_reset_ct])
# Check for the proto_data_valid member in struct sk_buff. The [^@]
# is necessary because some versions of this header remove the
OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [genlmsg_parse])
OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [genl_notify.*family],
[OVS_DEFINE([HAVE_GENL_NOTIFY_TAKES_FAMILY])])
+ OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [genl_validate_flags])
OVS_FIND_PARAM_IFELSE([$KSRC/include/net/genetlink.h],
[genl_notify], [net],
[OVS_DEFINE([HAVE_GENL_NOTIFY_TAKES_NET])])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_in_addr])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_find_nested])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_is_last])
+ OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_nest_start_noflag])
OVS_GREP_IFELSE([$KSRC/include/linux/netlink.h], [void.*netlink_set_err],
[OVS_DEFINE([HAVE_VOID_NETLINK_SET_ERR])])
OVS_FIND_PARAM_IFELSE([$KSRC/include/net/netlink.h],
OVS_GREP_IFELSE([$KSRC/include/net/sctp/checksum.h], [sctp_compute_cksum])
- OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [ADD_ALL_VLANS_CMD],
- [OVS_DEFINE([HAVE_VLAN_BUG_WORKAROUND])])
OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [vlan_insert_tag_set_proto])
OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [__vlan_insert_tag])
OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [vlan_get_protocol])
OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_helper.h],
[nf_conntrack_helper_put],
[OVS_DEFINE(HAVE_NF_CONNTRACK_HELPER_PUT)])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_helper.h],
+ [nf_nat_helper_try_module_get])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_helper.h],
+ [nf_nat_helper_put])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h],[[[[:space:]]]SKB_GSO_UDP[[[:space:]]]],
[OVS_DEFINE([HAVE_SKB_GSO_UDP])])
OVS_GREP_IFELSE([$KSRC/include/net/dst.h],[DST_NOCACHE],
OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/skbuff.h], [sk_buff],
[csum_valid],
[OVS_DEFINE([HAVE_SKBUFF_CSUM_VALID])])
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/skbuff.h], [sk_buff],
+ [vlan_present],
+ [OVS_DEFINE([HAVE_SKBUFF_VLAN_PRESENT])])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h],
[skb_checksum_simple_validate])
OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h],
OVS_FIND_FIELD_IFELSE([$KSRC/include/net/inet_frag.h], [inet_frags],
[rnd],
[OVS_DEFINE([HAVE_INET_FRAGS_RND])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/overflow.h], [__LINUX_OVERFLOW_H],
+ [OVS_DEFINE([HAVE_OVERFLOW_H])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/overflow.h], [struct_size],
+ [OVS_DEFINE([HAVE_STRUCT_SIZE])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/mm.h], [kvmalloc_array],
+ [OVS_DEFINE([HAVE_KVMALLOC_ARRAY])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/mm.h], [kvmalloc_node],
+ [OVS_DEFINE([HAVE_KVMALLOC_NODE])])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_l3proto.h],
+ [nf_conntrack_l3proto],
+ [OVS_DEFINE([HAVE_NF_CONNTRACK_L3PROATO_H])])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_core.h],
+ [nf_conntrack_in], [nf_hook_state],
+ [OVS_DEFINE([HAVE_NF_CONNTRACK_IN_TAKES_NF_HOOK_STATE])])
+ OVS_GREP_IFELSE([$KSRC/include/net/ipv6_frag.h], [IP6_DEFRAG_CONNTRACK_IN],
+ [OVS_DEFINE([HAVE_IPV6_FRAG_H])])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_helper.h],
+ [nf_ct_helper_ext_add], [nf_conntrack_helper],
+ [OVS_DEFINE([HAVE_NF_CT_HELPER_EXT_ADD_TAKES_HELPER])])
+ OVS_GREP_IFELSE([$KSRC/include/net/gre.h], [gre_calc_hlen],
+ [OVS_DEFINE([HAVE_GRE_CALC_HLEN])])
+ OVS_GREP_IFELSE([$KSRC/include/net/gre.h], [ip_gre_calc_hlen],
+ [OVS_DEFINE([HAVE_IP_GRE_CALC_HLEN])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/rbtree.h], [rb_link_node_rcu],
+ [OVS_DEFINE([HAVE_RBTREE_RB_LINK_NODE_RCU])])
+ OVS_GREP_IFELSE([$KSRC/include/net/dst_ops.h], [bool confirm_neigh],
+ [OVS_DEFINE([HAVE_DST_OPS_CONFIRM_NEIGH])])
if cmp -s datapath/linux/kcompat.h.new \
datapath/linux/kcompat.h >/dev/null 2>&1; then
[x86_64-*], [ac_cv_sparse_target=x86_64],
[ac_cv_sparse_target=other])])
AS_CASE([$ac_cv_sparse_target],
- [x86], [SPARSEFLAGS= CGCCFLAGS=-target=i86],
- [x86_64], [SPARSEFLAGS=-m64 CGCCFLAGS=-target=x86_64],
+ [x86], [SPARSEFLAGS= CGCCFLAGS="-target=i86 -target=host_os_specs"],
+ [x86_64], [SPARSEFLAGS=-m64 CGCCFLAGS="-target=x86_64 -target=host_os_specs"],
[SPARSEFLAGS= CGCCFLAGS=])
+
+ dnl Get the default defines for vector instructions from compiler to
+ dnl allow "sparse" correctly check the same code that will be built.
+ dnl Required for checking DPDK headers.
+ AC_MSG_CHECKING([vector options for cgcc])
+ VECTOR=$($CC -dM -E - < /dev/null | grep -E "MMX|SSE|AVX" | \
+ cut -c 9- | sed 's/ /=/' | sed 's/^/-D/' | tr '\n' ' ')
+ AC_MSG_RESULT([$VECTOR])
+ CGCCFLAGS="$CGCCFLAGS $VECTOR"
+
AC_SUBST([SPARSEFLAGS])
AC_SUBST([CGCCFLAGS])])
projects / ovs.git / blobdiff