| if_hmevar.h (91396) | if_hmevar.h (93043) |
|---|---|
| 1/*- 2 * Copyright (c) 1999 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Paul Kranenburg. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 21 unchanged lines hidden (view full) --- 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 * 36 * from: NetBSD: hmevar.h,v 1.5 2000/06/25 01:10:04 eeh Exp 37 * | 1/*- 2 * Copyright (c) 1999 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Paul Kranenburg. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 21 unchanged lines hidden (view full) --- 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34 * POSSIBILITY OF SUCH DAMAGE. 35 * 36 * from: NetBSD: hmevar.h,v 1.5 2000/06/25 01:10:04 eeh Exp 37 * |
| 38 * $FreeBSD: head/sys/dev/hme/if_hmevar.h 91396 2002-02-27 17:35:48Z tmm $ | 38 * $FreeBSD: head/sys/dev/hme/if_hmevar.h 93043 2002-03-23 19:37:11Z tmm $ |
| 39 */ 40 41#include <sys/callout.h> 42 43/* 44 * Number of receive and transmit descriptors. For each receive descriptor, 45 * an mbuf cluster is allocated and set up to receive a packet, and a dma map 46 * is created. Therefore, this number should not be too high to not waste 47 * memory. 48 * TX descriptors have less static cost (a dma map is allocated which could 49 * cause bounce buffers to be reserved; other that that, the only required 50 * memory is sizeof(struct hme_txdesc)). | 39 */ 40 41#include <sys/callout.h> 42 43/* 44 * Number of receive and transmit descriptors. For each receive descriptor, 45 * an mbuf cluster is allocated and set up to receive a packet, and a dma map 46 * is created. Therefore, this number should not be too high to not waste 47 * memory. 48 * TX descriptors have less static cost (a dma map is allocated which could 49 * cause bounce buffers to be reserved; other that that, the only required 50 * memory is sizeof(struct hme_txdesc)). |
| 51 * Both must be a multiple of 16, and <= 128. | |
| 52 */ | 51 */ |
| 53#define HME_NRXDESC 32 | 52#define HME_NRXDESC 128 |
| 54#define HME_NTXDESC 64 55 56/* Maximum size of a mapped RX buffer. */ 57#define HME_BUFSZ 1600 58 59/* 60 * RX DMA descriptor. The descriptors are preallocated; the dma map is 61 * reused. --- 91 unchanged lines hidden --- | 53#define HME_NTXDESC 64 54 55/* Maximum size of a mapped RX buffer. */ 56#define HME_BUFSZ 1600 57 58/* 59 * RX DMA descriptor. The descriptors are preallocated; the dma map is 60 * reused. --- 91 unchanged lines hidden --- |