- OVS_GREP_IFELSE([$KSRC26/include/net/checksum.h], [csum_unfold],
- [OVS_DEFINE([HAVE_CSUM_UNFOLD])])
+ OVS_GREP_IFELSE([$KSRC26/include/net/checksum.h], [csum_replace4])
+ OVS_GREP_IFELSE([$KSRC26/include/net/checksum.h], [csum_unfold])
+
+ OVS_GREP_IFELSE([$KSRC26/include/net/netlink.h], [NLA_NUL_STRING])
+ OVS_GREP_IFELSE([$KSRC26/include/net/netlink.h], [nla_get_be16])
+ OVS_GREP_IFELSE([$KSRC26/include/net/netlink.h], [nla_find_nested])