if_skvar.h revision 1.8
1 /* $NetBSD: if_skvar.h,v 1.8 2006/02/11 13:04:44 rpaulo Exp $ */ 2 3 /*- 4 * Copyright (c) 2003 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 /* $OpenBSD: if_skreg.h,v 1.10 2003/08/12 05:23:06 nate Exp $ */ 36 37 /* 38 * Copyright (c) 1997, 1998, 1999, 2000 39 * Bill Paul <wpaul (at) ctr.columbia.edu>. All rights reserved. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * This product includes software developed by Bill Paul. 52 * 4. Neither the name of the author nor the names of any co-contributors 53 * may be used to endorse or promote products derived from this software 54 * without specific prior written permission. 55 * 56 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 57 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 58 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 59 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 60 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 61 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 62 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 63 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 64 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 65 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 66 * THE POSSIBILITY OF SUCH DAMAGE. 67 * 68 * $FreeBSD: /c/ncvs/src/sys/pci/if_skreg.h,v 1.9 2000/04/22 02:16:37 wpaul Exp $ 69 */ 70 71 /* 72 * Copyright (c) 2003 Nathan L. Binkert <binkertn (at) umich.edu> 73 * 74 * Permission to use, copy, modify, and distribute this software for any 75 * purpose with or without fee is hereby granted, provided that the above 76 * copyright notice and this permission notice appear in all copies. 77 * 78 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 79 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 80 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 81 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 82 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 83 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 84 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 85 */ 86 87 #ifndef _DEV_PCI_IF_SKVAR_H_ 88 #define _DEV_PCI_IF_SKVAR_H_ 89 90 #include "rnd.h" 91 92 #if NRND > 0 93 #include <sys/rnd.h> 94 #endif 95 96 struct sk_jslot { 97 caddr_t sk_buf; 98 int sk_inuse; 99 }; 100 101 struct sk_jpool_entry { 102 int slot; 103 LIST_ENTRY(sk_jpool_entry) jpool_entries; 104 }; 105 106 struct sk_chain { 107 void *sk_desc; 108 struct mbuf *sk_mbuf; 109 struct sk_chain *sk_next; 110 }; 111 112 /* 113 * Number of DMA segments in a TxCB. Note that this is carefully 114 * chosen to make the total struct size an even power of two. It's 115 * critical that no TxCB be split across a page boundary since 116 * no attempt is made to allocate physically contiguous memory. 117 * 118 */ 119 #define SK_NTXSEG 30 120 121 struct sk_txmap_entry { 122 bus_dmamap_t dmamap; 123 SIMPLEQ_ENTRY(sk_txmap_entry) link; 124 }; 125 126 struct sk_chain_data { 127 struct sk_chain sk_tx_chain[SK_TX_RING_CNT]; 128 struct sk_chain sk_rx_chain[SK_RX_RING_CNT]; 129 struct sk_txmap_entry *sk_tx_map[SK_TX_RING_CNT]; 130 bus_dmamap_t sk_rx_map[SK_RX_RING_CNT]; 131 int sk_tx_prod; 132 int sk_tx_cons; 133 int sk_tx_cnt; 134 int sk_rx_prod; 135 int sk_rx_cons; 136 int sk_rx_cnt; 137 /* Stick the jumbo mem management stuff here too. */ 138 struct sk_jslot sk_jslots[SK_JSLOTS]; 139 void *sk_jumbo_buf; 140 141 }; 142 143 struct sk_ring_data { 144 struct sk_tx_desc sk_tx_ring[SK_TX_RING_CNT]; 145 struct sk_rx_desc sk_rx_ring[SK_RX_RING_CNT]; 146 }; 147 148 #define SK_TX_RING_ADDR(sc, i) \ 149 ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ 150 offsetof(struct sk_ring_data, sk_tx_ring[(i)])) 151 152 #define SK_RX_RING_ADDR(sc, i) \ 153 ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ 154 offsetof(struct sk_ring_data, sk_rx_ring[(i)])) 155 156 #define SK_CDOFF(x) offsetof(struct sk_ring_data, x) 157 #define SK_CDTXOFF(x) SK_CDOFF(sk_tx_ring[(x)]) 158 #define SK_CDRXOFF(x) SK_CDOFF(sk_rx_ring[(x)]) 159 160 #define SK_CDTXSYNC(sc, x, n, ops) \ 161 do { \ 162 int __x, __n; \ 163 \ 164 __x = (x); \ 165 __n = (n); \ 166 \ 167 /* If it will wrap around, sync to the end of the ring. */ \ 168 if ((__x + __n) > SK_TX_RING_CNT) { \ 169 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \ 170 (sc)->sk_ring_map, SK_CDTXOFF(__x), \ 171 sizeof(struct sk_tx_desc) * (SK_TX_RING_CNT - __x),\ 172 (ops)); \ 173 __n -= (SK_TX_RING_CNT - __x); \ 174 __x = 0; \ 175 } \ 176 \ 177 /* Now sync whatever is left. */ \ 178 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ 179 SK_CDTXOFF((__x)), sizeof(struct sk_tx_desc) * __n, (ops)); \ 180 } while (/*CONSTCOND*/0) 181 182 #define SK_CDRXSYNC(sc, x, ops) \ 183 do { \ 184 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ 185 SK_CDRXOFF((x)), sizeof(struct sk_rx_desc), (ops)); \ 186 } while (/*CONSTCOND*/0) 187 188 struct sk_bcom_hack { 189 int reg; 190 int val; 191 }; 192 193 #define SK_INC(x, y) (x) = (x + 1) % y 194 195 /* Forward decl. */ 196 struct sk_if_softc; 197 198 /* Softc for the GEnesis controller. */ 199 struct sk_softc { 200 struct device sk_dev; /* generic device */ 201 bus_space_handle_t sk_bhandle; /* bus space handle */ 202 bus_space_tag_t sk_btag; /* bus space tag */ 203 void *sk_intrhand; /* irq handler handle */ 204 struct resource *sk_irq; /* IRQ resource handle */ 205 struct resource *sk_res; /* I/O or shared mem handle */ 206 u_int8_t sk_type; 207 u_int8_t sk_rev; 208 const char *sk_name; 209 char *sk_vpd_prodname; 210 char *sk_vpd_readonly; 211 u_int32_t sk_rboff; /* RAMbuffer offset */ 212 u_int32_t sk_ramsize; /* amount of RAM on NIC */ 213 u_int32_t sk_pmd; /* physical media type */ 214 u_int32_t sk_intrmask; 215 bus_dma_tag_t sc_dmatag; 216 struct sk_if_softc *sk_if[2]; 217 #if NRND > 0 218 rndsource_element_t rnd_source; 219 #endif 220 }; 221 222 /* Softc for each logical interface */ 223 struct sk_if_softc { 224 struct device sk_dev; /* generic device */ 225 struct ethercom sk_ethercom; /* interface info */ 226 struct mii_data sk_mii; 227 u_int8_t sk_enaddr[ETHER_ADDR_LEN]; /* station addr */ 228 u_int8_t sk_port; /* port # on controller */ 229 u_int8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */ 230 u_int32_t sk_rx_ramstart; 231 u_int32_t sk_rx_ramend; 232 u_int32_t sk_tx_ramstart; 233 u_int32_t sk_tx_ramend; 234 int sk_phytype; 235 int sk_phyaddr; 236 int sk_cnt; 237 int sk_link; 238 struct callout sk_tick_ch; 239 struct sk_chain_data sk_cdata; 240 struct sk_ring_data *sk_rdata; 241 bus_dmamap_t sk_ring_map; 242 struct sk_softc *sk_softc; /* parent controller */ 243 int sk_tx_bmu; /* TX BMU register */ 244 int sk_if_flags; 245 LIST_HEAD(__sk_jfreehead, sk_jpool_entry) sk_jfree_listhead; 246 LIST_HEAD(__sk_jinusehead, sk_jpool_entry) sk_jinuse_listhead; 247 SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry) sk_txmap_head; 248 }; 249 250 struct skc_attach_args { 251 u_int16_t skc_port; 252 }; 253 254 #endif /* _DEV_PCI_IF_SKVAR_H_ */ 255
Indexes created Thu Sep 25 02:09:54 GMT 2025