datapath: Allow building against 3.19.x
[cascardo/ovs.git] / acinclude.m4
index 742862d..c2f45ce 100644 (file)
@@ -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 19; 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 $kversion, but version newer than 3.19.x is not supported (please refer to the FAQ for advice)])
        fi
     else
        if test "$version" -le 1 || test "$patchlevel" -le 5 || test "$sublevel" -le 31; then
@@ -206,7 +206,7 @@ AC_DEFUN([OVS_CHECK_DPDK], [
     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.
+    # DPDK 1.7 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
@@ -283,6 +283,7 @@ 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([$KSRC/include/linux/etherdevice.h], [eth_hw_addr_random])
   OVS_GREP_IFELSE([$KSRC/include/linux/etherdevice.h], [ether_addr_copy])
@@ -340,7 +341,12 @@ 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/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_push])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/types.h], [bool],
                   [OVS_DEFINE([HAVE_BOOL_TYPE])])
@@ -352,25 +358,45 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$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([$KSRC/include/net/genetlink.h], [netlink_has_listeners(net->genl_sock],
+                  [OVS_DEFINE([HAVE_GENL_HAS_LISTENERS_TAKES_NET])])
   OVS_GREP_IFELSE([$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([$KSRC/include/net/ipv6.h], [IP6_FH_F_SKIP_RH])
   OVS_GREP_IFELSE([$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_find_nested])
+  OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_is_last])
 
   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/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], [vxlan_xmit_skb])
+  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_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