+ OVS_GREP_IFELSE([$KSRC/include/net/dst_ops.h], [bool confirm_neigh],
+ [OVS_DEFINE([HAVE_DST_OPS_CONFIRM_NEIGH])])
+ OVS_GREP_IFELSE([$KSRC/include/net/inet_frag.h], [fqdir],
+ [OVS_DEFINE([HAVE_INET_FRAG_FQDIR])])
+ OVS_FIND_FIELD_IFELSE([$KSRC/include/net/genetlink.h], [genl_ops],
+ [policy],
+ [OVS_DEFINE([HAVE_GENL_OPS_POLICY])])
+ OVS_GREP_IFELSE([$KSRC/include/net/netlink.h],
+ [nla_parse_deprecated_strict],
+ [OVS_DEFINE([HAVE_NLA_PARSE_DEPRECATED_STRICT])])
+ OVS_FIND_OP_PARAM_IFELSE([$KSRC/include/net/rtnetlink.h],
+ [validate], [extack],
+ [OVS_DEFINE([HAVE_RTNLOP_VALIDATE_WITH_EXTACK])])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h],
+ [__skb_set_hash])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [sw_hash])
+ OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h], [skb_get_hash_raw])