# -*- autoconf -*-
-# Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
+# Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Nicira, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
dnl OVS_CHECK_LINUX
dnl
-dnl Configure linux kernel source tree
+dnl Configure linux kernel source tree
AC_DEFUN([OVS_CHECK_LINUX], [
AC_ARG_WITH([linux],
[AC_HELP_STRING([--with-linux=/path/to/linux],
AC_MSG_RESULT([$kversion])
if test "$version" -ge 4; then
- if test "$version" = 4 && test "$patchlevel" -le 0; then
+ if test "$version" = 4 && test "$patchlevel" -le 11; then
: # Linux 4.x
else
- AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 4.0.x is not supported (please refer to the FAQ for advice)])
+ AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 4.11.x is not supported (please refer to the FAQ for advice)])
fi
- elif test "$version" = 3; then
+ elif test "$version" = 3 && test "$patchlevel" -ge 10; then
: # Linux 3.x
else
- if test "$version" -le 1 || test "$patchlevel" -le 5 || test "$sublevel" -le 31; then
- AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version 2.6.32 or later is required])
- else
- : # Linux 2.6.x
- fi
+ AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version 3.10 or later is required])
fi
if (test ! -e "$KBUILD"/include/linux/version.h && \
test ! -e "$KBUILD"/include/generated/uapi/linux/version.h)|| \
AC_DEFUN([OVS_CHECK_DPDK], [
AC_ARG_WITH([dpdk],
[AC_HELP_STRING([--with-dpdk=/path/to/dpdk],
- [Specify the DPDK build directory])])
+ [Specify the DPDK build directory])],
+ [have_dpdk=true])
- if test X"$with_dpdk" != X; then
- RTE_SDK=$with_dpdk
+ AC_MSG_CHECKING([whether dpdk datapath is enabled])
+ if test "$have_dpdk" != true || test "$with_dpdk" = no; then
+ AC_MSG_RESULT([no])
+ DPDKLIB_FOUND=false
+ else
+ AC_MSG_RESULT([yes])
+ case "$with_dpdk" in
+ yes)
+ DPDK_AUTO_DISCOVER="true"
+ DPDK_INCLUDE="/usr/local/include/dpdk -I/usr/include/dpdk"
+ ;;
+ *)
+ DPDK_AUTO_DISCOVER="false"
+ DPDK_INCLUDE="$with_dpdk/include"
+ # If 'with_dpdk' is passed install directory, point to headers
+ # installed in $DESTDIR/$prefix/include/dpdk
+ AC_CHECK_FILE([$DPDK_INCLUDE/rte_config.h], [],
+ [AC_CHECK_FILE([$DPDK_INCLUDE/dpdk/rte_config.h],
+ [DPDK_INCLUDE=$DPDK_INCLUDE/dpdk], [])])
+ DPDK_LIB_DIR="$with_dpdk/lib"
+ ;;
+ esac
- DPDK_INCLUDE=$RTE_SDK/include
- DPDK_LIB_DIR=$RTE_SDK/lib
- DPDK_LIB="-lintel_dpdk"
+ DPDK_LIB="-ldpdk"
DPDK_EXTRA_LIB=""
- AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([#include <$RTE_SDK/include/rte_config.h>
-#if !RTE_LIBRTE_VHOST_USER
-#error
-#endif], [])],
- [], [AC_DEFINE([VHOST_CUSE], [1], [DPDK vhost-cuse support enabled, vhost-user disabled.])
- DPDK_EXTRA_LIB="-lfuse"])
-
ovs_save_CFLAGS="$CFLAGS"
ovs_save_LDFLAGS="$LDFLAGS"
- LDFLAGS="$LDFLAGS -L$DPDK_LIB_DIR"
CFLAGS="$CFLAGS -I$DPDK_INCLUDE"
+ if test "$DPDK_AUTO_DISCOVER" = "false"; then
+ LDFLAGS="$LDFLAGS -L${DPDK_LIB_DIR}"
+ fi
+
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM(
+ [
+ #include <rte_config.h>
+#if RTE_LIBRTE_VHOST_NUMA
+#error
+#endif
+ ], [])
+ ], [],
+ [AC_SEARCH_LIBS([get_mempolicy],[numa],[],[AC_MSG_ERROR([unable to find libnuma, install the dependency package])])
+ DPDK_EXTRA_LIB="-lnuma"
+ 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])])
+ DPDK_EXTRA_LIB="-lpcap"
+ 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.])])
+ ])
# On some systems we have to add -ldl to link with dpdk
#
# Before each attempt the search cache must be unset,
# otherwise autoconf will stick with the old result
- found=false
+ DPDKLIB_FOUND=false
save_LIBS=$LIBS
for extras in "" "-ldl"; do
LIBS="$DPDK_LIB $extras $save_LIBS $DPDK_EXTRA_LIB"
#include <rte_eal.h>],
[int rte_argc; char ** rte_argv;
rte_eal_init(rte_argc, rte_argv);])],
- [found=true])
- if $found; then
+ [DPDKLIB_FOUND=true])
+ if $DPDKLIB_FOUND; then
break
fi
done
- if $found; then :; else
- AC_MSG_ERROR([cannot link with dpdk])
+
+ # If linking unsuccessful
+ if test "$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="$ovs_save_LDFLAGS"
- OVS_LDFLAGS="$OVS_LDFLAGS -L$DPDK_LIB_DIR"
- OVS_CFLAGS="$OVS_CFLAGS -I$DPDK_INCLUDE -mssse3"
+ if test "$DPDK_AUTO_DISCOVER" = "false"; then
+ OVS_LDFLAGS="$OVS_LDFLAGS -L$DPDK_LIB_DIR"
+ fi
+ OVS_CFLAGS="$OVS_CFLAGS -I$DPDK_INCLUDE"
+ OVS_ENABLE_OPTION([-mssse3])
# DPDK pmd drivers are not linked unless --whole-archive is used.
#
DPDK_vswitchd_LDFLAGS=-Wl,--whole-archive,$DPDK_LIB,--no-whole-archive
AC_SUBST([DPDK_vswitchd_LDFLAGS])
AC_DEFINE([DPDK_NETDEV], [1], [System uses the DPDK module.])
-
- else
- RTE_SDK=
fi
- AM_CONDITIONAL([DPDK_NETDEV], test -n "$RTE_SDK")
+ AM_CONDITIONAL([DPDK_NETDEV], test "$DPDKLIB_FOUND" = true)
])
dnl OVS_GREP_IFELSE(FILE, REGEX, [IF-MATCH], [IF-NO-MATCH])
grep '$2' $1 >/dev/null 2>&1
status=$?
case $status in
- 0)
+ 0)
AC_MSG_RESULT([yes])
m4_if([$3], [], [OVS_DEFINE([HAVE_]m4_toupper([$2]))], [$3])
;;
- 1)
+ 1)
AC_MSG_RESULT([no])
$4
;;
- *)
+ *)
AC_MSG_ERROR([grep exited with status $status])
;;
esac
fi
])
+dnl OVS_FIND_PARAM_IFELSE(FILE, FUNCTION, REGEX, [IF-MATCH], [IF-NO-MATCH])
+dnl
+dnl Looks for FUNCTION in FILE. If it is found, greps for REGEX within
+dnl the function signature starting from the line matching FUNCTION
+dnl and ending with the line containing the closing parenthesis. If
+dnl this is successful, runs IF-MATCH, otherwise IF_NO_MATCH. If
+dnl IF-MATCH is empty then it defines to
+dnl OVS_DEFINE(HAVE_<FUNCTION>_WITH_<REGEX>), with <FUNCTION> and
+dnl <REGEX> translated to uppercase.
+AC_DEFUN([OVS_FIND_PARAM_IFELSE], [
+ AC_MSG_CHECKING([whether $2 has parameter $3 in $1])
+ if test -f $1; then
+ awk '/$2[[ \t\n]]*\(/,/\)/' $1 2>/dev/null | grep '$3' >/dev/null
+ status=$?
+ case $status in
+ 0)
+ AC_MSG_RESULT([yes])
+ m4_if([$4], [], [OVS_DEFINE([HAVE_]m4_toupper([$2])[_WITH_]m4_toupper([$3]))], [$4])
+ ;;
+ 1)
+ AC_MSG_RESULT([no])
+ $5
+ ;;
+ *)
+ AC_MSG_ERROR([grep exited with status $status])
+ ;;
+ esac
+ else
+ AC_MSG_RESULT([file not found])
+ $5
+ fi
+])
+
dnl OVS_DEFINE(NAME)
dnl
dnl Defines NAME to 1 in kcompat.h.
dnl OVS_CHECK_LINUX_COMPAT
dnl
-dnl Runs various Autoconf checks on the Linux 2.6 kernel source in
+dnl Runs various Autoconf checks on the Linux kernel source in
dnl the directory in $KBUILD.
AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
rm -f datapath/linux/kcompat.h.new
mkdir -p datapath/linux
: > datapath/linux/kcompat.h.new
+ echo '#include <linux/version.h>
+#ifndef RHEL_RELEASE_CODE
+#define RHEL_RELEASE_CODE 0
+#define RHEL_RELEASE_VERSION(a, b) 0
+#endif' >> datapath/linux/kcompat.h.new
+
OVS_GREP_IFELSE([$KSRC/arch/x86/include/asm/checksum_32.h], [src_err,],
[OVS_DEFINE([HAVE_CSUM_COPY_DBG])])
+ OVS_GREP_IFELSE([$KSRC/include/net/addrconf.h], [ipv6_dst_lookup.*net],
+ [OVS_DEFINE([HAVE_IPV6_DST_LOOKUP_NET])])
+ OVS_GREP_IFELSE([$KSRC/include/net/addrconf.h], [ipv6_stub])
+
OVS_GREP_IFELSE([$KSRC/include/linux/err.h], [ERR_CAST])
OVS_GREP_IFELSE([$KSRC/include/linux/err.h], [IS_ERR_OR_NULL])
+ OVS_GREP_IFELSE([$KSRC/include/linux/err.h], [PTR_ERR_OR_ZERO])
OVS_GREP_IFELSE([$KSRC/include/linux/etherdevice.h], [eth_hw_addr_random])
OVS_GREP_IFELSE([$KSRC/include/linux/etherdevice.h], [ether_addr_copy])
+ OVS_GREP_IFELSE([$KSRC/include/uapi/linux/if_link.h], [IFLA_GENEVE_TOS])
+ OVS_GREP_IFELSE([$KSRC/include/uapi/linux/if_link.h], [rtnl_link_stats64])
+ OVS_GREP_IFELSE([$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([$KSRC/include/linux/in.h], [ipv4_is_multicast])
OVS_GREP_IFELSE([$KSRC/include/linux/in.h], [proto_ports_offset])
OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [__ip_select_ident.*dst_entry],
[OVS_DEFINE([HAVE_IP_SELECT_IDENT_USING_DST_ENTRY])])
+ OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [__ip_select_ident.*net],
+ [OVS_DEFINE([HAVE_IP_SELECT_IDENT_USING_NET])])
+
OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [inet_get_local_port_range.*net],
[OVS_DEFINE([HAVE_INET_GET_LOCAL_PORT_RANGE_USING_NET])])
-
+ OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [ip_defrag.*net],
+ [OVS_DEFINE([HAVE_IP_DEFRAG_TAKES_NET])])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/net/ip.h],
+ [ip_do_fragment], [net],
+ [OVS_DEFINE([HAVE_IP_DO_FRAGMENT_TAKES_NET])])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/net/ip.h],
+ [ip_local_out], [net],
+ [OVS_DEFINE([HAVE_IP_LOCAL_OUT_TAKES_NET])])
+
+ OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [ip_skb_dst_mtu])
+
+ OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [IPSKB_FRAG_PMTU],
+ [OVS_DEFINE([HAVE_CORRECT_MRU_HANDLING])])
+ OVS_GREP_IFELSE([$KSRC/include/net/ip_tunnels.h], [__ip_tunnel_change_mtu])
+ OVS_GREP_IFELSE([$KSRC/include/net/inet_frag.h], [hashfn.*const],
+ [OVS_DEFINE([HAVE_INET_FRAGS_CONST])])
+ OVS_GREP_IFELSE([$KSRC/include/net/inet_frag.h], [last_in],
+ [OVS_DEFINE([HAVE_INET_FRAGS_LAST_IN])])
+ OVS_GREP_IFELSE([$KSRC/include/net/inet_frag.h], [inet_frag_evicting])
+ OVS_GREP_IFELSE([$KSRC/include/net/inet_frag.h], [inet_frag_evictor])
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/net/inet_frag.h], [inet_frags],
+ [frags_work])
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/net/inet_frag.h], [inet_frags],
+ [rwlock])
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/net/inet_frag.h], [inet_frag_queue],
+ [list_evictor])
+ OVS_GREP_IFELSE([$KSRC/include/net/inet_frag.h], [inet_frag_lru_move])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/net/inet_frag.h],
+ [sub_frag_mem_limit], [struct.netns_frags],
+ [OVS_DEFINE([HAVE_SUB_FRAG_MEM_LIMIT_ARG_STRUCT_NETNS_FRAGS])])
+ OVS_GREP_IFELSE([$KSRC/include/net/inet_frag.h], [void.*inet_frags_init],
+ [OVS_DEFINE([HAVE_VOID_INET_FRAGS_INIT])])
+ OVS_GREP_IFELSE([$KSRC/include/net/inetpeer.h], [vif],
+ [OVS_DEFINE([HAVE_INETPEER_VIF_SUPPORT])])
+
+ dnl Check for dst_cache and ipv6 lable to use backported tunnel infrastructure.
+ dnl OVS does not really need ipv6 label field, but its presence signifies that
+ dnl the stack has all required ipv6 support.
+ dnl OVS also does not need dst_cache But this dependency allows us to write
+ dnl much cleaner code.
+
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/net/ip_tunnels.h], [ip_tunnel_key],
+ [label],
+ [OVS_GREP_IFELSE([$KSRC/include/net/ip_tunnels.h],
+ [iptunnel_pull_offloads],
+ [OVS_GREP_IFELSE([$KSRC/include/net/dst_cache.h], [dst_cache],
+ [OVS_DEFINE([USE_UPSTREAM_TUNNEL])])])])
+
+ OVS_GREP_IFELSE([$KSRC/include/linux/net.h], [sock_create_kern.*net],
+ [OVS_DEFINE([HAVE_SOCK_CREATE_KERN_NET])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [ndo_fill_metadata_dst])
OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_disable_lro])
OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_get_stats])
OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_get_by_index_rcu])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_recursion_level])
OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [__skb_gso_segment])
OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [can_checksum_protocol])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [ndo_get_iflink])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [ndo_features_check],
+ [OVS_DEFINE([USE_UPSTREAM_TUNNEL_GSO])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [ndo_add_vxlan_port])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [ndo_add_geneve_port])
OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [netdev_features_t])
- OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [pcpu_sw_netstats])
+ dnl Ubuntu kernel 3.13 has defined this struct but not used for netdev->tstats.
+ dnl So check type of tstats.
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [pcpu_sw_netstats.*tstats],
+ [OVS_DEFINE([HAVE_PCPU_SW_NETSTATS])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [netif_needs_gso.*net_device],
+ [OVS_DEFINE([HAVE_NETIF_NEEDS_GSO_NETDEV])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [udp_offload])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [udp_offload.*uoff],
+ [OVS_DEFINE([HAVE_UDP_OFFLOAD_ARG_UOFF])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [gro_remcsum])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [IFF_PHONY_HEADROOM])
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/netdevice.h], [net_device_ops],
+ [extended])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/linux/netdevice.h],
+ [netdev_master_upper_dev_link], [upper_priv],
+ [OVS_DEFINE([HAVE_NETDEV_MASTER_UPPER_DEV_LINK_PRIV])])
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/netdevice.h], [net_device],
+ [max_mtu])
+
+ OVS_GREP_IFELSE([$KSRC/include/linux/netfilter.h], [nf_hook_state])
+ OVS_GREP_IFELSE([$KSRC/include/linux/netfilter.h], [nf_register_net_hook])
OVS_GREP_IFELSE([$KSRC/include/linux/netfilter.h], [nf_hookfn.*nf_hook_ops],
[OVS_DEFINE([HAVE_NF_HOOKFN_ARG_OPS])])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/linux/netfilter.h], [nf_hookfn], [priv],
+ [OVS_DEFINE([HAVE_NF_HOOKFN_ARG_PRIV])])
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/netfilter.h], [nf_hook_ops],
+ [owner], [OVS_DEFINE([HAVE_NF_HOOKS_OPS_OWNER])])
+
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/netfilter_ipv6.h], [nf_ipv6_ops],
+ [fragment.*sock], [OVS_DEFINE([HAVE_NF_IPV6_OPS_FRAGMENT])])
+
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/net/netfilter/nf_conntrack.h],
+ [nf_conn], [struct timer_list[[ \t]]*timeout],
+ [OVS_DEFINE([HAVE_NF_CONN_TIMER])])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack.h],
+ [nf_ct_delete(], [OVS_DEFINE([HAVE_NF_CT_DELETE])])
+
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/net/netfilter/nf_conntrack.h],
+ [nf_ct_tmpl_alloc], [nf_conntrack_zone],
+ [OVS_DEFINE([HAVE_NF_CT_TMPL_ALLOC_TAKES_STRUCT_ZONE])])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/net/netfilter/nf_conntrack.h],
+ [nf_ct_get_tuplepr], [struct.net],
+ [OVS_DEFINE([HAVE_NF_CT_GET_TUPLEPR_TAKES_STRUCT_NET])])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack.h],
+ [nf_ct_set])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_zones.h],
+ [nf_ct_zone_init])
+ OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_labels.h],
+ [nf_connlabels_get])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_labels.h],
+ [nf_connlabels_get], [int bit],
+ [OVS_DEFINE([HAVE_NF_CONNLABELS_GET_TAKES_BIT])])
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/net/netfilter/nf_conntrack_labels.h],
+ [nf_conn_labels], [words])
+ OVS_GREP_IFELSE([$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_conntrack_seqadj.h], [nf_ct_seq_adjust])
OVS_GREP_IFELSE([$KSRC/include/linux/random.h], [prandom_u32])
+ OVS_GREP_IFELSE([$KSRC/include/linux/random.h], [prandom_u32_max])
+
+ OVS_GREP_IFELSE([$KSRC/include/net/rtnetlink.h], [get_link_net])
+ OVS_GREP_IFELSE([$KSRC/include/net/rtnetlink.h], [name_assign_type])
+ OVS_GREP_IFELSE([$KSRC/include/net/rtnetlink.h], [rtnl_create_link.*src_net],
+ [OVS_DEFINE([HAVE_RTNL_CREATE_LINK_SRC_NET])])
+ OVS_GREP_IFELSE([$KSRC/include/net/net_namespace.h], [possible_net_t])
OVS_GREP_IFELSE([$KSRC/include/linux/rcupdate.h], [rcu_read_lock_held], [],
[OVS_GREP_IFELSE([$KSRC/include/linux/rtnetlink.h],
[rcu_read_lock_held])])
OVS_GREP_IFELSE([$KSRC/include/linux/rtnetlink.h], [lockdep_rtnl_is_held])
-
+
# Check for the proto_data_valid member in struct sk_buff. The [^@]
# is necessary because some versions of this header remove the
# member but retain the kerneldoc comment that describes it (which
# quoting rules.
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [[[^@]]proto_data_valid],
[OVS_DEFINE([HAVE_PROTO_DATA_VALID])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_checksum_start_offset])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [inner_protocol])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [inner_protocol_type])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_inner_transport_offset])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [kfree_skb_list])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [rxhash])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [u16.*rxhash],
[OVS_DEFINE([HAVE_U16_RXHASH])])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_dst(],
[OVS_DEFINE([HAVE_SKB_DST_ACCESSOR_FUNCS])])
- OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h],
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h],
[skb_copy_from_linear_data_offset])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h],
[skb_reset_tail_pointer])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_cow_head])
- OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_transport_header],
- [OVS_DEFINE([HAVE_SKBUFF_HEADER_HELPERS])])
- OVS_GREP_IFELSE([$KSRC/include/linux/icmpv6.h], [icmp6_hdr],
- [OVS_DEFINE([HAVE_ICMP6_HDR])])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_warn_if_lro],
[OVS_DEFINE([HAVE_SKB_WARN_LRO])])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [consume_skb])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_reset_mac_len])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_unclone])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_orphan_frags])
- OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_get_hash])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_get_hash(],
+ [OVS_DEFINE([HAVE_SKB_GET_HASH])])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_clear_hash])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [int.skb_zerocopy(],
[OVS_DEFINE([HAVE_SKB_ZEROCOPY])])
[OVS_DEFINE([HAVE_L4_RXHASH])])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_ensure_writable])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_vlan_pop])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [__skb_vlan_pop])
OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_vlan_push])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_clear_hash_if_not_l4])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_postpush_rcsum])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [lco_csum])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_nfct])
OVS_GREP_IFELSE([$KSRC/include/linux/types.h], [bool],
[OVS_DEFINE([HAVE_BOOL_TYPE])])
OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_replace4])
OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_unfold])
+ OVS_GREP_IFELSE([$KSRC/include/net/dst.h], [dst_discard_sk])
+ OVS_GREP_IFELSE([$KSRC/include/net/dst.h], [__skb_dst_copy])
+
OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [genl_has_listeners])
OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [mcgrp_offset])
OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [parallel_ops])
- OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [genlmsg_new_unicast])
OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [netlink_has_listeners(net->genl_sock],
[OVS_DEFINE([HAVE_GENL_HAS_LISTENERS_TAKES_NET])])
OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [genlmsg_parse])
OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [genl_notify.*family],
[OVS_DEFINE([HAVE_GENL_NOTIFY_TAKES_FAMILY])])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/net/genetlink.h],
+ [genl_notify], [net],
+ [OVS_DEFINE([HAVE_GENL_NOTIFY_TAKES_NET])])
+
OVS_FIND_FIELD_IFELSE([$KSRC/include/net/genetlink.h],
[genl_multicast_group], [id])
+ OVS_GREP_IFELSE([$KSRC/include/net/geneve.h], [geneve_hdr])
OVS_GREP_IFELSE([$KSRC/include/net/gre.h], [gre_cisco_register])
+ OVS_GREP_IFELSE([$KSRC/include/net/gre.h], [gre_handle_offloads])
OVS_GREP_IFELSE([$KSRC/include/net/ipv6.h], [IP6_FH_F_SKIP_RH])
+ OVS_GREP_IFELSE([$KSRC/include/net/ipv6.h], [ip6_local_out_sk])
+ OVS_GREP_IFELSE([$KSRC/include/net/ipv6.h], [__ipv6_addr_jhash])
+ OVS_GREP_IFELSE([$KSRC/include/net/ip6_fib.h], [rt6i.*u.dst],
+ [OVS_DEFINE([HAVE_RT6INFO_DST_UNION])])
+ OVS_GREP_IFELSE([$KSRC/include/net/ip6_route.h], [ip6_frag.*sock],
+ [OVS_DEFINE([HAVE_IP_FRAGMENT_TAKES_SOCK])])
+
+ OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_64bit])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_get_be16])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be16])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be32])
OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be64])
+ 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/linux/netlink.h], [void.*netlink_set_err],
+ [OVS_DEFINE([HAVE_VOID_NETLINK_SET_ERR])])
OVS_GREP_IFELSE([$KSRC/include/net/sctp/checksum.h], [sctp_compute_cksum])
[OVS_DEFINE([HAVE_VLAN_BUG_WORKAROUND])])
OVS_GREP_IFELSE([$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([$KSRC/include/linux/if_vlan.h], [skb_vlan_tagged])
+ OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [eth_type_vlan])
OVS_GREP_IFELSE([$KSRC/include/linux/u64_stats_sync.h], [u64_stats_fetch_begin_irq])
- OVS_GREP_IFELSE([$KSRC/include/linux/openvswitch.h], [openvswitch_handle_frame_hook],
- [OVS_DEFINE([HAVE_RHEL_OVS_HOOK])])
OVS_GREP_IFELSE([$KSRC/include/net/vxlan.h], [struct vxlan_metadata],
[OVS_DEFINE([HAVE_VXLAN_METADATA])])
OVS_GREP_IFELSE([$KSRC/include/net/udp.h], [udp_flow_src_port],
[OVS_GREP_IFELSE([$KSRC/include/net/udp.h], [inet_get_local_port_range(net],
[OVS_DEFINE([HAVE_UDP_FLOW_SRC_PORT])])])
OVS_GREP_IFELSE([$KSRC/include/net/udp.h], [udp_v4_check])
- OVS_GREP_IFELSE([$KSRC/include/net/udp.h], [udp_set_csum])
- OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [ignore_df:1],
+ OVS_GREP_IFELSE([$KSRC/include/net/udp_tunnel.h], [udp_tunnel_gro_complete])
+ OVS_GREP_IFELSE([$KSRC/include/net/udp_tunnel.h], [sk_buff.*udp_tunnel_handle_offloads],
+ [OVS_DEFINE([HAVE_UDP_TUNNEL_HANDLE_OFFLOAD_RET_SKB])])
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/net/udp_tunnel.h], [udp_tunnel_sock_cfg],
+ [gro_receive])
+
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [ignore_df],
[OVS_DEFINE([HAVE_IGNORE_DF_RENAME])])
- OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [SKB_GSO_GRE_CSUM],
- [OVS_DEFINE([HAVE_SKB_GSO_GRE_CSUM])])
- OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [SKB_GSO_UDP_TUNNEL_CSUM],
- [OVS_DEFINE([HAVE_SKB_GSO_UDP_TUNNEL_CSUM])])
OVS_GREP_IFELSE([$KSRC/include/uapi/linux/netdevice.h], [NET_NAME_UNKNOWN],
[OVS_DEFINE([HAVE_NET_NAME_UNKNOWN])])
+ OVS_GREP_IFELSE([$KSRC/include/net/sock.h], [sk_no_check_tx])
+ OVS_GREP_IFELSE([$KSRC/include/linux/udp.h], [no_check6_tx])
+ OVS_GREP_IFELSE([$KSRC/include/linux/utsrelease.h], [el6],
+ [OVS_DEFINE([HAVE_RHEL6_PER_CPU])])
+ OVS_FIND_PARAM_IFELSE([$KSRC/include/net/protocol.h],
+ [udp_add_offload], [net],
+ [OVS_DEFINE([HAVE_UDP_ADD_OFFLOAD_TAKES_NET])])
+
+
if cmp -s datapath/linux/kcompat.h.new \
datapath/linux/kcompat.h >/dev/null 2>&1; then
rm datapath/linux/kcompat.h.new
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([_OVS_CHECK_CC_OPTION], [dnl
- m4_define([ovs_cv_name], [ovs_cv_[]m4_translit([$1], [-=], [__])])dnl
+ m4_define([ovs_cv_name], [ovs_cv_[]m4_translit([$1], [-= ], [__])])dnl
AC_CACHE_CHECK([whether $CC accepts $1], [ovs_cv_name],
[ovs_save_CFLAGS="$CFLAGS"
dnl Include -Werror in the compiler options, because without -Werror
dnl 0
dnl %
CFLAGS="$CFLAGS $WERROR $1"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,)], [if test -s conftest.err && grep "unrecognized option" conftest.err; then ovs_cv_name[]=no; else ovs_cv_name[]=yes; fi], [ovs_cv_name[]=no])
+ AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE([int x;])],
+ [if test -s conftest.err && grep "unrecognized option" conftest.err
+ then
+ ovs_cv_name[]=no
+ else
+ ovs_cv_name[]=yes
+ fi],
+ [ovs_cv_name[]=no])
CFLAGS="$ovs_save_CFLAGS"])
if test $ovs_cv_name = yes; then
m4_if([$2], [], [:], [$2])
;;
esac])
-dnl OVS_MAKE_HAS_IF([if-true], [if-false])
-dnl
-dnl Checks whether make has the GNU make $(if condition,then,else) extension.
-dnl Runs 'if-true' if so, 'if-false' otherwise.
-AC_DEFUN([OVS_CHECK_MAKE_IF],
- [AC_CACHE_CHECK(
- [whether ${MAKE-make} has GNU make \$(if) extension],
- [ovs_cv_gnu_make_if],
- [cat <<'EOF' > conftest.mk
-conftest.out:
- echo $(if x,y,z) > conftest.out
-.PHONY: all
-EOF
- rm -f conftest.out
- AS_ECHO(["$as_me:$LINENO: invoking ${MAKE-make} -f conftest.mk all:"]) >&AS_MESSAGE_LOG_FD 2>&1
- ${MAKE-make} -f conftest.mk conftest.out >&AS_MESSAGE_LOG_FD 2>&1
- AS_ECHO(["$as_me:$LINENO: conftest.out contains:"]) >&AS_MESSAGE_LOG_FD 2>&1
- cat conftest.out >&AS_MESSAGE_LOG_FD 2>&1
- result=`cat conftest.out`
- rm -f conftest.mk conftest.out
- if test "X$result" = "Xy"; then
- ovs_cv_gnu_make_if=yes
- else
- ovs_cv_gnu_make_if=no
- fi])])
-
-dnl OVS_CHECK_GNU_MAKE
-dnl
-dnl Checks whether make is GNU make (because Linux kernel Makefiles
-dnl only work with GNU make).
-AC_DEFUN([OVS_CHECK_GNU_MAKE],
- [AC_CACHE_CHECK(
- [whether ${MAKE-make} is GNU make],
- [ovs_cv_gnu_make],
- [rm -f conftest.out
- AS_ECHO(["$as_me:$LINENO: invoking ${MAKE-make} --version:"]) >&AS_MESSAGE_LOG_FD 2>&1
- ${MAKE-make} --version >conftest.out 2>&1
- cat conftest.out >&AS_MESSAGE_LOG_FD 2>&1
- result=`cat conftest.out`
- rm -f conftest.mk conftest.out
-
- case $result in # (
- GNU*) ovs_cv_gnu_make=yes ;; # (
- *) ovs_cv_gnu_make=no ;;
- esac])
- AM_CONDITIONAL([GNU_MAKE], [test $ovs_cv_gnu_make = yes])])
-
dnl OVS_CHECK_SPARSE_TARGET
dnl
dnl The "cgcc" script from "sparse" isn't very good at detecting the
dnl OVS_ENABLE_SPARSE
AC_DEFUN([OVS_ENABLE_SPARSE],
[AC_REQUIRE([OVS_CHECK_SPARSE_TARGET])
- AC_REQUIRE([OVS_CHECK_MAKE_IF])
AC_REQUIRE([OVS_SPARSE_EXTRA_INCLUDES])
: ${SPARSE=sparse}
AC_SUBST([SPARSE])
AC_CONFIG_COMMANDS_PRE(
- [if test $ovs_cv_gnu_make_if = yes; then
- CC='$(if $(C),env REAL_CC="'"$CC"'" CHECK="$(SPARSE) -I $(top_srcdir)/include/sparse $(SPARSEFLAGS) $(SPARSE_EXTRA_INCLUDES) " cgcc $(CGCCFLAGS),'"$CC"')'
- fi])])
+ [CC='$(if $(C),env REAL_CC="'"$CC"'" CHECK="$(SPARSE) -I $(top_srcdir)/include/sparse $(SPARSEFLAGS) $(SPARSE_EXTRA_INCLUDES) " cgcc $(CGCCFLAGS),'"$CC"')'])])
dnl OVS_PTHREAD_SET_NAME
dnl
projects / ovs.git / blobdiff