datapath-windows: Add port friendly name to OVS_VPORT_ENTRY
[cascardo/ovs.git] / acinclude.m4
index e8a8a2e..9a7f809 100644 (file)
@@ -22,7 +22,7 @@ AC_DEFUN([OVS_ENABLE_WERROR],
      [], [enable_Werror=no])
    AC_CONFIG_COMMANDS_PRE(
      [if test "X$enable_Werror" = Xyes; then
-        CFLAGS="$CFLAGS -Werror"
+        OVS_CFLAGS="$OVS_CFLAGS -Werror"
       fi])])
 
 dnl OVS_CHECK_LINUX
@@ -35,8 +35,8 @@ AC_DEFUN([OVS_CHECK_LINUX], [
   AC_ARG_WITH([linux-source],
               [AC_HELP_STRING([--with-linux-source=/path/to/linux-source],
                               [Specify the Linux kernel source directory
-                              (usually figured out automatically from build
-                              directory)])])
+                               (usually figured out automatically from build
+                               directory)])])
 
   # Deprecated equivalents to --with-linux, --with-linux-source.
   AC_ARG_WITH([l26])
@@ -75,11 +75,11 @@ AC_DEFUN([OVS_CHECK_LINUX], [
     # Make sure that it exists.
     AC_MSG_CHECKING([for Linux build directory])
     if test -d "$KBUILD"; then
-       AC_MSG_RESULT([$KBUILD])
-       AC_SUBST(KBUILD)
+        AC_MSG_RESULT([$KBUILD])
+        AC_SUBST(KBUILD)
     else
-       AC_MSG_RESULT([no])
-       AC_ERROR([source dir $KBUILD doesn't exist])
+        AC_MSG_RESULT([no])
+        AC_ERROR([source dir $KBUILD doesn't exist])
     fi
 
     # Debian breaks kernel headers into "source" header and "build" headers.
@@ -134,10 +134,10 @@ AC_DEFUN([OVS_CHECK_LINUX], [
     AC_MSG_RESULT([$kversion])
 
     if test "$version" -ge 3; then
-       if test "$version" = 3 && test "$patchlevel" -le 14; then
+       if test "$version" = 3 && test "$patchlevel" -le 17; then
           : # Linux 3.x
        else
-         AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 3.14.x is not supported (please refer to the FAQ for advice)])
+         AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 3.17.x is not supported (please refer to the FAQ for advice)])
        fi
     else
        if test "$version" -le 1 || test "$patchlevel" -le 5 || test "$sublevel" -le 31; then
@@ -150,7 +150,7 @@ AC_DEFUN([OVS_CHECK_LINUX], [
         test ! -e "$KBUILD"/include/generated/uapi/linux/version.h)|| \
        (test ! -e "$KBUILD"/include/linux/autoconf.h && \
         test ! -e "$KBUILD"/include/generated/autoconf.h); then
-       AC_MSG_ERROR([Linux kernel source in $KBUILD is not configured])
+        AC_MSG_ERROR([Linux kernel source in $KBUILD is not configured])
     fi
     OVS_CHECK_LINUX_COMPAT
   fi
@@ -163,18 +163,59 @@ dnl Configure DPDK source tree
 AC_DEFUN([OVS_CHECK_DPDK], [
   AC_ARG_WITH([dpdk],
               [AC_HELP_STRING([--with-dpdk=/path/to/dpdk],
-                              [Specify the DPDP build directory])])
+                              [Specify the DPDK build directory])])
 
   if test X"$with_dpdk" != X; then
     RTE_SDK=$with_dpdk
 
     DPDK_INCLUDE=$RTE_SDK/include
     DPDK_LIB_DIR=$RTE_SDK/lib
-    DPDK_LIBS="$DPDK_LIB_DIR/libintel_dpdk.a"
-
-    LIBS="$DPDK_LIBS $LIBS"
-    CPPFLAGS="-I$DPDK_INCLUDE $CPPFLAGS"
-
+    DPDK_LIB=-lintel_dpdk
+
+    ovs_save_CFLAGS="$CFLAGS"
+    ovs_save_LDFLAGS="$LDFLAGS"
+    LDFLAGS="$LDFLAGS -L$DPDK_LIB_DIR"
+    CFLAGS="$CFLAGS -I$DPDK_INCLUDE"
+
+    # On some systems we have to add -ldl to link with dpdk
+    #
+    # This code, at first, tries to link without -ldl (""),
+    # then adds it and tries again.
+    # Before each attempt the search cache must be unset,
+    # otherwise autoconf will stick with the old result
+
+    found=false
+    save_LIBS=$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);])],
+           [found=true])
+        if $found; then
+            break
+        fi
+    done
+    if $found; then :; else
+        AC_MSG_ERROR([cannot link with dpdk])
+    fi
+    CFLAGS="$ovs_save_CFLAGS"
+    LDFLAGS="$ovs_save_LDFLAGS"
+    OVS_LDFLAGS="$OVS_LDFLAGS -L$DPDK_LIB_DIR"
+    OVS_CFLAGS="$OVS_CFLAGS -I$DPDK_INCLUDE"
+
+    # DPDK 1.7.0 pmd drivers are not linked unless --whole-archive is used.
+    #
+    # This happens because the rest of the DPDK code doesn't use any symbol in
+    # the pmd driver objects, and the drivers register themselves using an
+    # __attribute__((constructor)) function.
+    #
+    # These options are specified inside a single -Wl directive to prevent
+    # autotools from reordering them.
+    DPDK_vswitchd_LDFLAGS=-Wl,--whole-archive,$DPDK_LIB,--no-whole-archive
+    AC_SUBST([DPDK_vswitchd_LDFLAGS])
     AC_DEFINE([DPDK_NETDEV], [1], [System uses the DPDK module.])
   else
     RTE_SDK=
@@ -242,6 +283,8 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
                   [OVS_DEFINE([HAVE_CSUM_COPY_DBG])])
 
   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/hash.h], [fast_hash_ops])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/etherdevice.h], [eth_hw_addr_random])
   OVS_GREP_IFELSE([$KSRC/include/linux/etherdevice.h], [ether_addr_copy])
@@ -249,6 +292,8 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [vlan_set_encap_proto])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/in.h], [ipv4_is_multicast])
+  OVS_GREP_IFELSE([$KSRC/include/net/ip.h], [__ip_select_ident.*dst_entry],
+                  [OVS_DEFINE([HAVE_IP_SELECT_IDENT_USING_DST_ENTRY])])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_disable_lro])
   OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_get_stats])
@@ -273,6 +318,8 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   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], [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([$KSRC/include/linux/skbuff.h], 
@@ -295,6 +342,8 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$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_clear_hash])
+  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [int.skb_zerocopy(],
+                  [OVS_DEFINE([HAVE_SKB_ZEROCOPY])])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [l4_rxhash])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/types.h], [bool],
@@ -307,8 +356,14 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_replace4])
   OVS_GREP_IFELSE([$KSRC/include/net/checksum.h], [csum_unfold])
 
+  OVS_GREP_IFELSE([$KSRC/include/net/genetlink.h], [genl_has_listeners])
+  OVS_GREP_IFELSE([$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([$KSRC/include/net/gre.h], [gre_cisco_register])
+  OVS_GREP_IFELSE([$KSRC/include/net/gre.h], [gre_handle_offloads])
+  OVS_GREP_IFELSE([$KSRC/include/net/ip_tunnels.h], [iptunnel_xmit.*net],
+                  [OVS_DEFINE([HAVE_IPTUNNEL_XMIT_NET])])
   OVS_GREP_IFELSE([$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])
@@ -320,10 +375,18 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$KSRC/include/linux/if_vlan.h], [ADD_ALL_VLANS_CMD],
                   [OVS_DEFINE([HAVE_VLAN_BUG_WORKAROUND])])
 
-  OVS_GREP_IFELSE([$KSRC/include/linux/percpu.h], [this_cpu_ptr])
+  OVS_GREP_IFELSE([$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], [bool xnet],
+                  [OVS_DEFINE([HAVE_VXLAN_XMIT_SKB_XNET_ARG])])
+  OVS_GREP_IFELSE([$KSRC/include/net/udp.h], [udp_flow_src_port],
+                  [OVS_DEFINE([HAVE_UDP_FLOW_SRC_PORT])])
+  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [ignore_df:1],
+                  [OVS_DEFINE([HAVE_IGNORE_DF_RENAME])])
+  OVS_GREP_IFELSE([$KSRC/include/uapi/linux/netdevice.h], [NET_NAME_UNKNOWN],
+                  [OVS_DEFINE([HAVE_NET_NAME_UNKNOWN])])
 
   OVS_CHECK_LOG2_H
 
@@ -403,7 +466,7 @@ dnl gives unlimited permission to copy and/or distribute it,
 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
@@ -592,25 +655,25 @@ AC_DEFUN([OVS_CHECK_PTHREAD_SET_NAME],
        [for pthread_setname_np() variant],
        [ovs_cv_pthread_setname_np],
        [AC_LINK_IFELSE(
-        [AC_LANG_PROGRAM([#include <pthread.h>
+         [AC_LANG_PROGRAM([#include <pthread.h>
   ], [pthread_setname_np(pthread_self(), "name");])],
-        [ovs_cv_pthread_setname_np=glibc],
+         [ovs_cv_pthread_setname_np=glibc],
          [AC_LINK_IFELSE(
-          [AC_LANG_PROGRAM([#include <pthread.h>
+           [AC_LANG_PROGRAM([#include <pthread.h>
 ], [pthread_setname_np(pthread_self(), "%s", "name");])],
            [ovs_cv_pthread_setname_np=netbsd],
-          [ovs_cv_pthread_setname_np=none])])])
+           [ovs_cv_pthread_setname_np=none])])])
      case $ovs_cv_pthread_setname_np in # (
        glibc)
-         AC_DEFINE(
-           [HAVE_GLIBC_PTHREAD_SETNAME_NP], [1],
-           [Define to 1 if pthread_setname_np() is available and takes 2 parameters (like glibc).])
-         ;; # (
+          AC_DEFINE(
+            [HAVE_GLIBC_PTHREAD_SETNAME_NP], [1],
+            [Define to 1 if pthread_setname_np() is available and takes 2 parameters (like glibc).])
+          ;; # (
        netbsd)
-         AC_DEFINE(
-           [HAVE_NETBSD_PTHREAD_SETNAME_NP], [1],
-           [Define to 1 if pthread_setname_np() is available and takes 3 parameters (like NetBSD).])
-         ;;
+          AC_DEFINE(
+            [HAVE_NETBSD_PTHREAD_SETNAME_NP], [1],
+            [Define to 1 if pthread_setname_np() is available and takes 3 parameters (like NetBSD).])
+          ;;
      esac
    fi])