else
AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 4.3.x is not supported (please refer to the FAQ for advice)])
fi
- elif test "$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="-ldpdk"
DPDK_EXTRA_LIB=""
- RTE_SDK_FULL=`readlink -f $RTE_SDK`
-
- AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([#include <$RTE_SDK_FULL/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${DPDK_LIB_DIR}"
+ fi
+
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM(
+ [
+ #include <rte_config.h>
+#if !RTE_LIBRTE_VHOST_USER
+#error
+#endif
+ ], [])
+ ], [],
+ [AC_DEFINE([VHOST_CUSE], [1], [DPDK vhost-cuse support enabled, vhost-user disabled.])
+ DPDK_EXTRA_LIB="-lfuse"])
# On some systems we have to add -ldl to link with dpdk
#
# Before each attempt the search cache must be unset,
# otherwise autoconf will stick with the old result
- found=false
+ DPDKLIB_FOUND=false
save_LIBS=$LIBS
for extras in "" "-ldl"; do
- LIBS="$DPDK_LIB $extras $save_LIBS $DPDK_EXTRA_LIB"
+ LIBS="$DPDK_LIB $extras $save_LIBS $DPDK_EXTRA_LIB -lnuma"
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);])],
- [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$DPDK_LIB_DIR"
+ if test "$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_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])
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 $KBUILD.
AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
rm -f datapath/linux/kcompat.h.new
OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [inet_get_local_port_range.*net],
[OVS_DEFINE([HAVE_INET_GET_LOCAL_PORT_RANGE_USING_NET])])
+ OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [ip_defrag.*net],
+ [OVS_DEFINE([HAVE_IP_DEFRAG_TAKES_NET])])
OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [ip_do_fragment])
- OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [ip_is_fragment])
OVS_GREP_IFELSE([$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_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [can_checksum_protocol])
OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [ndo_get_iflink])
OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [netdev_features_t])
- OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [pcpu_sw_netstats])
- OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [netdev_rx_handler_register])
- OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [net_device_extended])
- OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [rx_handler_func_t.*pskb],
- [OVS_DEFINE([HAVE_RX_HANDLER_PSKB])])
+ dnl Ubuntu kernel 3.13 has defined this struct but not used for netdev->tstats.
+ dnl So check type of tstats.
+ OVS_GREP_IFELSE([$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([$KSRC/include/linux/netfilter.h], [nf_hookfn.*nf_hook_ops],
[OVS_DEFINE([HAVE_NF_HOOKFN_ARG_OPS])])
OVS_FIND_FIELD_IFELSE([$KSRC/include/linux/netfilter_ipv6.h], [nf_ipv6_ops],
- [fragment], [OVS_DEFINE([HAVE_NF_IPV6_OPS_FRAGMENT])])
+ [fragment.*sock], [OVS_DEFINE([HAVE_NF_IPV6_OPS_FRAGMENT])])
- OVS_GREP_IFELSE([$KSRC/include/net/netfilter/nf_conntrack.h],
- [tmpl_alloc.*conntrack_zone],
+ OVS_FIND_PARAM_IFELSE([$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_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_GREP_IFELSE([$KSRC/include/net/netfilter/ipv6/nf_defrag_ipv6.h],
[nf_ct_frag6_consume_orig])
OVS_GREP_IFELSE([$KSRC/include/net/netfilter/ipv6/nf_defrag_ipv6.h],
[nf_ct_frag6_output])
+ 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/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_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/vxlan.h], [VXLAN_HF_RCO])
OVS_GREP_IFELSE([$KSRC/include/linux/utsrelease.h], [el6],
[OVS_DEFINE([HAVE_RHEL6_PER_CPU])])
- if test "$version" = 4 && test "$patchlevel" -le 2; then
- OVS_DEFINE([OVS_FRAGMENT_BACKPORT])
- elif test "$version" = 3 && test "$patchlevel" -ge 10; then
- OVS_DEFINE([OVS_FRAGMENT_BACKPORT])
- fi
-
if cmp -s datapath/linux/kcompat.h.new \
datapath/linux/kcompat.h >/dev/null 2>&1; then
rm datapath/linux/kcompat.h.new
projects / cascardo / ovs.git / blobdiff