SPP_PMTUD_ENABLE  557 include/net/sctp/user.h SPP_PMTUD_ENABLE = 1<<3,	/*Enable PMTU discovery*/
SPP_PMTUD_ENABLE  559 include/net/sctp/user.h SPP_PMTUD = SPP_PMTUD_ENABLE | SPP_PMTUD_DISABLE,