Cross Reference: /illumos-gate/usr/src/uts/common/io/sfe/sfe

Lines Matching refs:head
363 gem_rx_desc_dma_sync(struct gem_dev *dp, int head, int nslot, int how)
375 	n = dp->gc.gc_rx_ring_size - head;
385 	    (off_t)(head << rx_desc_unit_shift),
391 gem_tx_desc_dma_sync(struct gem_dev *dp, int head, int nslot, int how)
403 	n = dp->gc.gc_tx_ring_size - head;
413 	    (off_t)((head << tx_desc_unit_shift)
420 gem_rx_start_default(struct gem_dev *dp, int head, int nslot)
423 	    SLOT(head, dp->gc.gc_rx_ring_size), nslot,
982 	seqnum_t	head;
1004 	head = dp->tx_active_head;
1007 	ASSERT(dp->tx_free_head - head >= 0);
1008 	tbp = GET_TXBUF(dp, head);
1009 	for (sn = head; sn != tail; sn++) {
1019 	while (sn != head + dp->gc.gc_tx_buf_size) {
1038 	dp->tx_free_tail += tail - head;
1057 	seqnum_t	head;
1074 	head = dp->tx_active_head;
1078 	if (head != tail) {
1082 		    head, SLOT(head, dp->gc.gc_tx_buf_size),
1102 	tbp = GET_TXBUF(dp, head);
1104 	for (sn = head; sn != tail;
1156 	tbp = GET_TXBUF(dp, head);
1159 	if (head != tail) {
1160 		cmn_err(CE_CONT, "%s: freeing head:%d[%d], tail:%d[%d]",
1162 		    head, SLOT(head, dp->gc.gc_tx_buf_size),
1166 	for (sn = head; sn != tail; sn++, tbp = tbp->txb_next) {
1201 	    dp->tx_free_tail - dp->tx_free_head, tail - head);
1335 	seqnum_t	head;
1344 	head = dp->tx_softq_head;
1349 	    dp->name, __func__, head, tail, tail - head,
1353 	ASSERT(tail - head > 0);
1357 	tbp_head = GET_TXBUF(dp, head);
1366 	/* advance softq head and active tail */
1434 	seqnum_t		head;
1474 	head = dp->tx_free_head;
1475 	avail = dp->tx_free_tail - head;
1494 	dp->tx_free_head = head + nmblk;
1499 		tbp = GET_TXBUF(dp, head + avail - 1);
1501 		dp->tx_desc_intr = head + avail;
1505 	tbp = GET_TXBUF(dp, head);
1537 	(void) gem_tx_load_descs_oo(dp, head, head + nmblk, load_flags);
1852 		/* Remove the head of the rx buffer list */
1948 		seqnum_t	head;
1951 		head = dp->rx_active_tail;
1956 		    SLOT(head, rx_ring_size), dp->rx_active_tail - head);