root/include/uapi/linux/tc_act/tc_csum.h

#ifndef __LINUX_TC_CSUM_H
#define __LINUX_TC_CSUM_H

#include <linux/types.h>
#include <linux/pkt_cls.h>

#define TCA_ACT_CSUM 16

enum {
        TCA_CSUM_UNSPEC,
        TCA_CSUM_PARMS,
        TCA_CSUM_TM,
        __TCA_CSUM_MAX
};
#define TCA_CSUM_MAX (__TCA_CSUM_MAX - 1)

enum {
        TCA_CSUM_UPDATE_FLAG_IPV4HDR = 1,
        TCA_CSUM_UPDATE_FLAG_ICMP    = 2,
        TCA_CSUM_UPDATE_FLAG_IGMP    = 4,
        TCA_CSUM_UPDATE_FLAG_TCP     = 8,
        TCA_CSUM_UPDATE_FLAG_UDP     = 16,
        TCA_CSUM_UPDATE_FLAG_UDPLITE = 32
};

struct tc_csum {
        tc_gen;

        __u32 update_flags;
};

#endif /* __LINUX_TC_CSUM_H */