1 | /* $OpenBSD: if_mskvar.h,v 1.3 2006/12/28 16:34:42 kettenis Exp $ */ |
2 | /* $NetBSD: if_mskvar.h,v 1.12 2015/04/13 16:33:25 riastradh Exp $ */ |
3 | |
4 | /*- |
5 | * Copyright (c) 2003 The NetBSD Foundation, Inc. |
6 | * All rights reserved. |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without |
9 | * modification, are permitted provided that the following conditions |
10 | * are met: |
11 | * 1. Redistributions of source code must retain the above copyright |
12 | * notice, this list of conditions and the following disclaimer. |
13 | * 2. Redistributions in binary form must reproduce the above copyright |
14 | * notice, this list of conditions and the following disclaimer in the |
15 | * documentation and/or other materials provided with the distribution. |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
18 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
19 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
20 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
21 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
27 | * POSSIBILITY OF SUCH DAMAGE. |
28 | */ |
29 | /* $OpenBSD: if_mskvar.h,v 1.1 2006/08/16 21:06:23 kettenis Exp $ */ |
30 | |
31 | /* |
32 | * Copyright (c) 1997, 1998, 1999, 2000 |
33 | * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. |
34 | * |
35 | * Redistribution and use in source and binary forms, with or without |
36 | * modification, are permitted provided that the following conditions |
37 | * are met: |
38 | * 1. Redistributions of source code must retain the above copyright |
39 | * notice, this list of conditions and the following disclaimer. |
40 | * 2. Redistributions in binary form must reproduce the above copyright |
41 | * notice, this list of conditions and the following disclaimer in the |
42 | * documentation and/or other materials provided with the distribution. |
43 | * 3. All advertising materials mentioning features or use of this software |
44 | * must display the following acknowledgement: |
45 | * This product includes software developed by Bill Paul. |
46 | * 4. Neither the name of the author nor the names of any co-contributors |
47 | * may be used to endorse or promote products derived from this software |
48 | * without specific prior written permission. |
49 | * |
50 | * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND |
51 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
52 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
53 | * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD |
54 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
55 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
56 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
57 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
58 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
59 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
60 | * THE POSSIBILITY OF SUCH DAMAGE. |
61 | * |
62 | * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $ |
63 | */ |
64 | |
65 | /* |
66 | * Copyright (c) 2003 Nathan L. Binkert <binkertn@umich.edu> |
67 | * |
68 | * Permission to use, copy, modify, and distribute this software for any |
69 | * purpose with or without fee is hereby granted, provided that the above |
70 | * copyright notice and this permission notice appear in all copies. |
71 | * |
72 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
73 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
74 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
75 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
76 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
77 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
78 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
79 | */ |
80 | |
81 | #ifndef _DEV_PCI_IF_MSKVAR_H_ |
82 | #define _DEV_PCI_IF_MSKVAR_H_ |
83 | |
84 | #include <sys/rndsource.h> |
85 | |
86 | struct sk_jpool_entry { |
87 | int slot; |
88 | LIST_ENTRY(sk_jpool_entry) jpool_entries; |
89 | }; |
90 | |
91 | struct sk_chain { |
92 | void *sk_le; |
93 | struct mbuf *sk_mbuf; |
94 | struct sk_chain *sk_next; |
95 | }; |
96 | |
97 | /* |
98 | * Number of DMA segments in a TxCB. Note that this is carefully |
99 | * chosen to make the total struct size an even power of two. It's |
100 | * critical that no TxCB be split across a page boundary since |
101 | * no attempt is made to allocate physically contiguous memory. |
102 | * |
103 | */ |
104 | #define SK_NTXSEG 30 |
105 | |
106 | struct sk_txmap_entry { |
107 | bus_dmamap_t dmamap; |
108 | SIMPLEQ_ENTRY(sk_txmap_entry) link; |
109 | }; |
110 | |
111 | struct msk_chain_data { |
112 | struct sk_chain sk_tx_chain[MSK_TX_RING_CNT]; |
113 | struct sk_chain sk_rx_chain[MSK_RX_RING_CNT]; |
114 | struct sk_txmap_entry *sk_tx_map[MSK_TX_RING_CNT]; |
115 | bus_dmamap_t sk_rx_map[MSK_RX_RING_CNT]; |
116 | bus_dmamap_t sk_rx_jumbo_map; |
117 | int sk_tx_prod; |
118 | int sk_tx_cons; |
119 | int sk_tx_cnt; |
120 | int sk_rx_prod; |
121 | int sk_rx_cons; |
122 | int sk_rx_cnt; |
123 | /* Stick the jumbo mem management stuff here too. */ |
124 | void * sk_jslots[MSK_JSLOTS]; |
125 | void *sk_jumbo_buf; |
126 | }; |
127 | |
128 | struct msk_ring_data { |
129 | struct msk_tx_desc sk_tx_ring[MSK_TX_RING_CNT]; |
130 | struct msk_rx_desc sk_rx_ring[MSK_RX_RING_CNT]; |
131 | }; |
132 | |
133 | #define MSK_TX_RING_ADDR(sc, i) \ |
134 | ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ |
135 | offsetof(struct msk_ring_data, sk_tx_ring[(i)])) |
136 | |
137 | #define MSK_RX_RING_ADDR(sc, i) \ |
138 | ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ |
139 | offsetof(struct msk_ring_data, sk_rx_ring[(i)])) |
140 | |
141 | #define MSK_CDOFF(x) offsetof(struct msk_ring_data, x) |
142 | #define MSK_CDTXOFF(x) MSK_CDOFF(sk_tx_ring[(x)]) |
143 | #define MSK_CDRXOFF(x) MSK_CDOFF(sk_rx_ring[(x)]) |
144 | #define MSK_CDSTOFF(x) ((x) * sizeof(struct msk_status_desc)) |
145 | |
146 | #define MSK_CDTXSYNC(sc, x, n, ops) \ |
147 | do { \ |
148 | int __x, __n; \ |
149 | \ |
150 | __x = (x); \ |
151 | __n = (n); \ |
152 | \ |
153 | /* If it will wrap around, sync to the end of the ring. */ \ |
154 | if ((__x + __n) > MSK_TX_RING_CNT) { \ |
155 | bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \ |
156 | (sc)->sk_ring_map, MSK_CDTXOFF(__x), \ |
157 | sizeof(struct msk_tx_desc) * (MSK_TX_RING_CNT - __x), \ |
158 | (ops)); \ |
159 | __n -= (MSK_TX_RING_CNT - __x); \ |
160 | __x = 0; \ |
161 | } \ |
162 | \ |
163 | /* Now sync whatever is left. */ \ |
164 | bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ |
165 | MSK_CDTXOFF((__x)), sizeof(struct msk_tx_desc) * __n, (ops)); \ |
166 | } while (/*CONSTCOND*/0) |
167 | |
168 | #define MSK_CDRXSYNC(sc, x, ops) \ |
169 | do { \ |
170 | bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ |
171 | MSK_CDRXOFF((x)), sizeof(struct msk_rx_desc), (ops)); \ |
172 | } while (/*CONSTCOND*/0) |
173 | |
174 | #define MSK_CDSTSYNC(sc, x, ops) \ |
175 | do { \ |
176 | bus_dmamap_sync((sc)->sc_dmatag, (sc)->sk_status_map, \ |
177 | MSK_CDSTOFF((x)), sizeof(struct msk_status_desc), (ops)); \ |
178 | } while (/*CONSTCOND*/0) |
179 | |
180 | #define SK_INC(x, y) (x) = (x + 1) % y |
181 | |
182 | /* Forward decl. */ |
183 | struct sk_if_softc; |
184 | |
185 | /* Softc for the Yukon-II controller. */ |
186 | struct sk_softc { |
187 | device_t sk_dev; |
188 | bus_space_handle_t sk_bhandle; /* bus space handle */ |
189 | bus_space_tag_t sk_btag; /* bus space tag */ |
190 | void *sk_intrhand; /* irq handler handle */ |
191 | u_int8_t sk_type; |
192 | u_int8_t sk_rev; |
193 | u_int32_t sk_workaround; |
194 | u_int8_t sk_macs; /* # of MACs */ |
195 | const char *sk_name; |
196 | u_int32_t sk_rboff; /* RAMbuffer offset */ |
197 | u_int32_t sk_ramsize; /* amount of RAM on NIC */ |
198 | u_int32_t sk_intrmask; |
199 | struct sysctllog *sk_clog; |
200 | int sk_int_mod; |
201 | int sk_int_mod_pending; |
202 | bus_dma_tag_t sc_dmatag; |
203 | struct sk_if_softc *sk_if[2]; |
204 | struct msk_status_desc *sk_status_ring; |
205 | bus_dmamap_t sk_status_map; |
206 | int sk_status_idx; |
207 | int sk_status_own_idx; |
208 | krndsource_t rnd_source; |
209 | }; |
210 | |
211 | /* Softc for each logical interface */ |
212 | struct sk_if_softc { |
213 | device_t sk_dev; |
214 | struct ethercom sk_ethercom; /* interface info */ |
215 | struct mii_data sk_mii; |
216 | u_int8_t sk_enaddr[ETHER_ADDR_LEN]; /* station addr */ |
217 | u_int8_t sk_port; /* port # on controller */ |
218 | u_int32_t sk_rx_ramstart; |
219 | u_int32_t sk_rx_ramend; |
220 | u_int32_t sk_tx_ramstart; |
221 | u_int32_t sk_tx_ramend; |
222 | int sk_cnt; |
223 | int sk_link; |
224 | struct callout sk_tick_ch; |
225 | struct msk_chain_data sk_cdata; |
226 | struct msk_ring_data *sk_rdata; |
227 | bus_dmamap_t sk_ring_map; |
228 | int sk_status_idx; |
229 | struct sk_softc *sk_softc; /* parent controller */ |
230 | int sk_if_flags; |
231 | kmutex_t sk_jpool_mtx; |
232 | LIST_HEAD(__sk_jfreehead, sk_jpool_entry) sk_jfree_listhead; |
233 | LIST_HEAD(__sk_jinusehead, sk_jpool_entry) sk_jinuse_listhead; |
234 | SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry) sk_txmap_head; |
235 | }; |
236 | |
237 | struct skc_attach_args { |
238 | u_int16_t skc_port; |
239 | u_int8_t skc_type; |
240 | u_int8_t skc_rev; |
241 | }; |
242 | |
243 | #endif /* _DEV_PCI_IF_MSKVAR_H_ */ |
244 | |