cxgb4_read_tpte
ret = cxgb4_read_tpte(stagd->devp->rdev.lldi.ports[0], (u32)id<<8,
ret = cxgb4_read_tpte(dev->rdev.lldi.ports[0], stag,
ret = cxgb4_read_tpte(dev->rdev.lldi.ports[0], stag, (__be32 *)&tpte);
EXPORT_SYMBOL(cxgb4_read_tpte);
int cxgb4_read_tpte(struct net_device *dev, u32 stag, __be32 *tpte);