<def f='src/src/sys/dev/pci/if_txpreg.h' l='556' ll='559'/>
<size>16</size>
<mbr r='txp_swdesc::sd_mbuf' o='0' t='struct mbuf *'/>
<mbr r='txp_swdesc::sd_map' o='64' t='bus_dmamap_t'/>
