2 * Copyright (c) 2003 The NetBSD Foundation, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the NetBSD
16 * Foundation, Inc. and its contributors.
17 * 4. Neither the name of The NetBSD Foundation nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
35 * Copyright (c) 1997, 1998, 1999, 2000
36 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
41 * 1. Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 * 3. All advertising materials mentioning features or use of this software
47 * must display the following acknowledgement:
48 * This product includes software developed by Bill Paul.
49 * 4. Neither the name of the author nor the names of any co-contributors
50 * may be used to endorse or promote products derived from this software
51 * without specific prior written permission.
53 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
57 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
58 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
59 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
60 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
61 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
62 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
63 * THE POSSIBILITY OF SUCH DAMAGE.
66 * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $
67 * $NetBSD: if_skvar.h,v 1.6 2005/05/30 04:35:22 christos Exp $
68 * $OpenBSD: if_skvar.h,v 1.2 2005/12/22 20:54:47 brad Exp $
69 * $DragonFly: src/sys/dev/netif/sk/if_skvar.h,v 1.4 2007/12/14 11:37:11 sephe Exp $
73 * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu>
75 * Permission to use, copy, modify, and distribute this software for any
76 * purpose with or without fee is hereby granted, provided that the above
77 * copyright notice and this permission notice appear in all copies.
79 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
80 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
81 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
82 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
83 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
84 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
85 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
91 struct sk_jpool_entry {
92 struct sk_if_softc *sc_if;
97 SLIST_ENTRY(sk_jpool_entry) entry_next;
101 * Number of DMA segments in a TxCB. Note that this is carefully
102 * chosen to make the total struct size an even power of two. It's
103 * critical that no TxCB be split across a page boundary since
104 * no attempt is made to allocate physically contiguous memory.
108 struct sk_chain_data {
109 bus_dma_tag_t sk_buf_dtag;
111 struct mbuf *sk_tx_mbuf[SK_TX_RING_CNT];
112 bus_dma_tag_t sk_tx_dtag;
113 bus_dmamap_t sk_tx_dmap[SK_TX_RING_CNT];
118 struct mbuf *sk_rx_mbuf[SK_RX_RING_CNT];
119 bus_dma_tag_t sk_rx_dtag;
120 bus_dmamap_t sk_rx_dmap[SK_RX_RING_CNT];
121 bus_dmamap_t sk_rx_dmap_tmp;
126 struct lwkt_serialize sk_jpool_serializer;
127 bus_dma_tag_t sk_jpool_dtag;
128 bus_dmamap_t sk_jpool_dmap;
130 struct sk_jpool_entry sk_jpool_ent[SK_JSLOTS];
131 SLIST_HEAD(, sk_jpool_entry) sk_jpool_free_ent;
134 struct sk_ring_data {
135 bus_dma_tag_t sk_ring_dtag;
137 bus_dma_tag_t sk_tx_ring_dtag;
138 bus_dmamap_t sk_tx_ring_dmap;
139 bus_addr_t sk_tx_ring_paddr;
140 struct sk_tx_desc *sk_tx_ring;
142 bus_dma_tag_t sk_rx_ring_dtag;
143 bus_dmamap_t sk_rx_ring_dmap;
144 bus_addr_t sk_rx_ring_paddr;
145 struct sk_rx_desc *sk_rx_ring;
148 struct sk_bcom_hack {
153 #define SK_INC(x, y) (x) = (x + 1) % y
158 /* Softc for the GEnesis controller. */
162 struct resource *sk_res;
163 bus_space_handle_t sk_bhandle; /* bus space handle */
164 bus_space_tag_t sk_btag; /* bus space tag */
167 struct resource *sk_irq;
168 void *sk_intrhand; /* irq handler handle */
170 uint8_t sk_coppertype;
171 uint8_t sk_pmd; /* physical media type */
174 uint8_t sk_macs; /* # of MACs */
175 uint32_t sk_rboff; /* RAMbuffer offset */
176 uint32_t sk_ramsize; /* amount of RAM on NIC */
177 uint32_t sk_intrmask;
178 uint32_t sk_imtimer_ticks;
180 struct sysctl_ctx_list sk_sysctl_ctx;
181 struct sysctl_oid *sk_sysctl_tree;
182 struct lwkt_serialize sk_serializer;
183 struct sk_if_softc *sk_if[2];
187 /* Softc for each logical interface */
189 struct arpcom arpcom; /* interface info */
191 uint8_t sk_port; /* port # on controller */
192 uint8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */
193 uint32_t sk_rx_ramstart;
194 uint32_t sk_rx_ramend;
195 uint32_t sk_tx_ramstart;
196 uint32_t sk_tx_ramend;
201 struct callout sk_tick_timer;
202 struct sk_chain_data sk_cdata;
203 struct sk_ring_data sk_rdata;
204 bus_dma_tag_t sk_parent_dtag;
205 struct sk_softc *sk_softc; /* parent controller */
206 int sk_tx_bmu; /* TX BMU register */
211 #define SK_NDESC_RESERVE 2
212 #define SK_NDESC_SPARE 5
214 #define SK_IS_OACTIVE(sc_if) \
215 ((sc_if)->sk_cdata.sk_tx_cnt + SK_NDESC_RESERVE + SK_NDESC_SPARE > \
218 #endif /* !_IF_SKVAR_H_ */