RMNET_FLAGS_INGRESS_MAP_CKSUMV4 1014 include/uapi/linux/if_link.h #define RMNET_FLAGS_INGRESS_MAP_CKSUMV4           (1U << 2)
RMNET_FLAGS_INGRESS_MAP_CKSUMV4 1014 tools/include/uapi/linux/if_link.h #define RMNET_FLAGS_INGRESS_MAP_CKSUMV4           (1U << 2)