datapath: Add support for lwtunnel

[cascardo/ovs.git] / acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
index e4846d9..7c8afac 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -134,10 +134,10 @@ AC_DEFUN([OVS_CHECK_LINUX], [
     AC_MSG_RESULT([$kversion])
 
     if test "$version" -ge 4; then
-       if test "$version" = 4 && test "$patchlevel" -le 2; then
+       if test "$version" = 4 && test "$patchlevel" -le 3; then
           : # Linux 4.x
        else
-          AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 4.2.x is not supported (please refer to the FAQ for advice)])
+          AC_ERROR([Linux kernel in $KBUILD is version $kversion, but version newer than 4.3.x is not supported (please refer to the FAQ for advice)])
        fi
     elif test "$version" = 3; then
        : # Linux 3.x
@@ -313,15 +313,28 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   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([$KSRC/include/linux/etherdevice.h], [eth_hw_addr_random])
   OVS_GREP_IFELSE([$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])
 
@@ -329,9 +342,13 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   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([$KSRC/include/net/ip.h], [ip_is_fragment])
+  OVS_GREP_IFELSE([$KSRC/include/net/dst_metadata.h], [metadata_dst])
 
   OVS_GREP_IFELSE([$KSRC/include/linux/net.h], [sock_create_kern.*net],
                   [OVS_DEFINE([HAVE_SOCK_CREATE_KERN_NET])])
@@ -340,17 +357,33 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$KSRC/include/linux/netdevice.h], [dev_get_by_index_rcu])
   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], [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])])
+  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([$KSRC/include/linux/netfilter.h], [nf_hook_state])
+  OVS_GREP_IFELSE([$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_GREP_IFELSE([$KSRC/include/linux/random.h], [prandom_u32])
 
+  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])])
@@ -364,7 +397,12 @@ 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], [skb_checksum_start_offset])
+  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [inner_protocol])
+  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [inner_mac_header])
+  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [inner_network_header])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [kfree_skb_list])
+  OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_scrub_packet.*xnet],
+                 [OVS_DEFINE([HAVE_SKB_SCRUB_PACKET_XNET])])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [rxhash])
   OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [u16.*rxhash],
                   [OVS_DEFINE([HAVE_U16_RXHASH])])
@@ -423,7 +461,9 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
   OVS_GREP_IFELSE([$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([$KSRC/include/net/netlink.h], [nla_get_be16])
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be16])
   OVS_GREP_IFELSE([$KSRC/include/net/netlink.h], [nla_put_be32])
@@ -438,7 +478,7 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
                   [OVS_DEFINE([HAVE_VLAN_BUG_WORKAROUND])])
   OVS_GREP_IFELSE([$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/u64_stats_sync.h], [u64_stats_fetch_begin_irq])
 
@@ -446,17 +486,18 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
                   [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([$KSRC/include/net/udp.h], [udp_flow_src_port],
                   [OVS_GREP_IFELSE([$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([$KSRC/include/net/udp_tunnel.h], [ipv6_v6only],
+                  [OVS_DEFINE([HAVE_UDP_TUNNEL_IPV6])])
+
+  OVS_GREP_IFELSE([$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])])