Symbol: SIOCBRDGSTXHC
sbin/ifconfig/brconfig.c
1224
if (ioctl(sock, SIOCBRDGSTXHC, (caddr_t)&bp) == -1)
sys/net/bridgestp.c
2225
case SIOCBRDGSTXHC:
sys/net/if.c
2544
case SIOCBRDGSTXHC:
sys/net/if_bridge.c
523
case SIOCBRDGSTXHC: