packets.h uses a LITTLE_ENDIAN macro for Geneve:
struct geneve_opt {
ovs_be16 opt_class;
uint8_t type;
#ifdef LITTLE_ENDIAN
uint8_t length:5;
uint8_t r3:1;
uint8_t r2:1;
uint8_t r1:1;
#else
uint8_t r1:1;
uint8_t r2:1;
uint8_t r3:1;
uint8_t length:5;
#endif
uint8_t opt_data[];
};
I don't think we have such a macro. The rest of the userspace code
tests for WORDS_BIGENDIAN.
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