iprb_dma_t
static int iprb_dma_alloc(iprb_t *, iprb_dma_t *, size_t);
static void iprb_dma_free(iprb_dma_t *);
iprb_dma_t *sp = &ip->stats;
static iprb_dma_t *iprb_cmd_next(iprb_t *);
iprb_dma_t *cb;
iprb_dma_t *rfd, *nfd, *lfd;
iprb_dma_t *rfd;
iprb_dma_t *cb = &ip->cmds[i];
iprb_dma_alloc(iprb_t *ip, iprb_dma_t *h, size_t size)
iprb_dma_free(iprb_dma_t *h)
iprb_dma_t *cb = &ip->cmds[ip->cmd_tail];
iprb_dma_t *ncb = &ip->cmds[ip->cmd_head];
iprb_dma_t *lcb = &ip->cmds[ip->cmd_last];
iprb_dma_t *
iprb_dma_t *cb;
iprb_dma_t *cb;
iprb_dma_t *cb;
iprb_dma_t *cb;
iprb_dma_t *cb;
iprb_dma_t cmds[NUM_TX];
iprb_dma_t rxb[NUM_RX];
iprb_dma_t stats;