Symbol: RDSV3_FLAG_ACK_REQUIRED
usr/src/uts/common/io/ib/clients/rdsv3/ib_recv.c
789
if (hdr->h_flags & RDSV3_FLAG_ACK_REQUIRED) {
usr/src/uts/common/io/ib/clients/rdsv3/ib_send.c
661
rm->m_inc.i_hdr.h_flags |= RDSV3_FLAG_ACK_REQUIRED;