if_skvar.h revision 1.10
1 /* $NetBSD: if_skvar.h,v 1.10 2006/03/28 18:29:42 riz 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_jpool_entry { 97 int slot; 98 LIST_ENTRY(sk_jpool_entry) jpool_entries; 99 }; 100 101 struct sk_chain { 102 void *sk_desc; 103 struct mbuf *sk_mbuf; 104 struct sk_chain *sk_next; 105 }; 106 107 /* 108 * Number of DMA segments in a TxCB. Note that this is carefully 109 * chosen to make the total struct size an even power of two. It's 110 * critical that no TxCB be split across a page boundary since 111 * no attempt is made to allocate physically contiguous memory. 112 * 113 */ 114 #define SK_NTXSEG 30 115 116 struct sk_txmap_entry { 117 bus_dmamap_t dmamap; 118 SIMPLEQ_ENTRY(sk_txmap_entry) link; 119 }; 120 121 struct sk_chain_data { 122 struct sk_chain sk_tx_chain[SK_TX_RING_CNT]; 123 struct sk_chain sk_rx_chain[SK_RX_RING_CNT]; 124 struct sk_txmap_entry *sk_tx_map[SK_TX_RING_CNT]; 125 bus_dmamap_t sk_rx_map[SK_RX_RING_CNT]; 126 bus_dmamap_t sk_rx_jumbo_map; 127 int sk_tx_prod; 128 int sk_tx_cons; 129 int sk_tx_cnt; 130 int sk_rx_prod; 131 int sk_rx_cons; 132 int sk_rx_cnt; 133 /* Stick the jumbo mem management stuff here too. */ 134 caddr_t sk_jslots[SK_JSLOTS]; 135 void *sk_jumbo_buf; 136 137 }; 138 139 struct sk_ring_data { 140 struct sk_tx_desc sk_tx_ring[SK_TX_RING_CNT]; 141 struct sk_rx_desc sk_rx_ring[SK_RX_RING_CNT]; 142 }; 143 144 #define SK_TX_RING_ADDR(sc, i) \ 145 ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ 146 offsetof(struct sk_ring_data, sk_tx_ring[(i)])) 147 148 #define SK_RX_RING_ADDR(sc, i) \ 149 ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ 150 offsetof(struct sk_ring_data, sk_rx_ring[(i)])) 151 152 #define SK_CDOFF(x) offsetof(struct sk_ring_data, x) 153 #define SK_CDTXOFF(x) SK_CDOFF(sk_tx_ring[(x)]) 154 #define SK_CDRXOFF(x) SK_CDOFF(sk_rx_ring[(x)]) 155 156 #define SK_CDTXSYNC(sc, x, n, ops) \ 157 do { \ 158 int __x, __n; \ 159 \ 160 __x = (x); \ 161 __n = (n); \ 162 \ 163 /* If it will wrap around, sync to the end of the ring. */ \ 164 if ((__x + __n) > SK_TX_RING_CNT) { \ 165 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \ 166 (sc)->sk_ring_map, SK_CDTXOFF(__x), \ 167 sizeof(struct sk_tx_desc) * (SK_TX_RING_CNT - __x),\ 168 (ops)); \ 169 __n -= (SK_TX_RING_CNT - __x); \ 170 __x = 0; \ 171 } \ 172 \ 173 /* Now sync whatever is left. */ \ 174 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ 175 SK_CDTXOFF((__x)), sizeof(struct sk_tx_desc) * __n, (ops)); \ 176 } while (/*CONSTCOND*/0) 177 178 #define SK_CDRXSYNC(sc, x, ops) \ 179 do { \ 180 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ 181 SK_CDRXOFF((x)), sizeof(struct sk_rx_desc), (ops)); \ 182 } while (/*CONSTCOND*/0) 183 184 struct sk_bcom_hack { 185 int reg; 186 int val; 187 }; 188 189 #define SK_INC(x, y) (x) = (x + 1) % y 190 191 /* Forward decl. */ 192 struct sk_if_softc; 193 194 /* Softc for the GEnesis controller. */ 195 struct sk_softc { 196 struct device sk_dev; /* generic device */ 197 bus_space_handle_t sk_bhandle; /* bus space handle */ 198 bus_space_tag_t sk_btag; /* bus space tag */ 199 void *sk_intrhand; /* irq handler handle */ 200 struct resource *sk_irq; /* IRQ resource handle */ 201 struct resource *sk_res; /* I/O or shared mem handle */ 202 u_int8_t sk_type; 203 u_int8_t sk_rev; 204 const char *sk_name; 205 char *sk_vpd_prodname; 206 char *sk_vpd_readonly; 207 u_int32_t sk_rboff; /* RAMbuffer offset */ 208 u_int32_t sk_ramsize; /* amount of RAM on NIC */ 209 u_int32_t sk_pmd; /* physical media type */ 210 u_int32_t sk_intrmask; 211 struct sysctllog *sk_clog; 212 int sk_int_mod; 213 int sk_int_mod_pending; 214 bus_dma_tag_t sc_dmatag; 215 struct sk_if_softc *sk_if[2]; 216 #if NRND > 0 217 rndsource_element_t rnd_source; 218 #endif 219 }; 220 221 /* Softc for each logical interface */ 222 struct sk_if_softc { 223 struct device sk_dev; /* generic device */ 224 struct ethercom sk_ethercom; /* interface info */ 225 struct mii_data sk_mii; 226 u_int8_t sk_enaddr[ETHER_ADDR_LEN]; /* station addr */ 227 u_int8_t sk_port; /* port # on controller */ 228 u_int8_t sk_xmac_rev; /* XMAC chip rev (B2 or C1) */ 229 u_int32_t sk_rx_ramstart; 230 u_int32_t sk_rx_ramend; 231 u_int32_t sk_tx_ramstart; 232 u_int32_t sk_tx_ramend; 233 int sk_phytype; 234 int sk_phyaddr; 235 int sk_cnt; 236 int sk_link; 237 struct callout sk_tick_ch; 238 struct sk_chain_data sk_cdata; 239 struct sk_ring_data *sk_rdata; 240 bus_dmamap_t sk_ring_map; 241 struct sk_softc *sk_softc; /* parent controller */ 242 int sk_tx_bmu; /* TX BMU register */ 243 int sk_if_flags; 244 LIST_HEAD(__sk_jfreehead, sk_jpool_entry) sk_jfree_listhead; 245 LIST_HEAD(__sk_jinusehead, sk_jpool_entry) sk_jinuse_listhead; 246 SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry) sk_txmap_head; 247 }; 248 249 struct skc_attach_args { 250 u_int16_t skc_port; 251 }; 252 253 #endif /* _DEV_PCI_IF_SKVAR_H_ */ 254
Indexes created Wed Sep 24 15:09:51 GMT 2025