SDP_MID_SRCAVAIL
ENUM2STR(SDP_MID_SRCAVAIL),
mb = sdp_alloc_mb(sk, SDP_MID_SRCAVAIL, sizeof(*srcah), wait);
case SDP_MID_SRCAVAIL:
if (h->mid == SDP_MID_SRCAVAIL) {
case SDP_MID_SRCAVAIL:
if ((h->mid != SDP_MID_DATA && h->mid != SDP_MID_SRCAVAIL) ||
if (unlikely(h->mid == SDP_MID_SRCAVAIL)) {