if_mskvar.h revision 1.24
1 /* $OpenBSD: if_mskvar.h,v 1.3 2006/12/28 16:34:42 kettenis Exp $ */ 2 /* $NetBSD: if_mskvar.h,v 1.24 2020/04/29 18:52:03 jakllsch 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 (at) 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 (at) 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 struct mbuf *sk_mbuf; 93 }; 94 95 /* 96 * Number of DMA segments in a TxCB. Note that this is carefully 97 * chosen to make the total struct size an even power of two. It's 98 * critical that no TxCB be split across a page boundary since 99 * no attempt is made to allocate physically contiguous memory. 100 * 101 */ 102 #define SK_NTXSEG 30 103 104 struct sk_txmap_entry { 105 bus_dmamap_t dmamap; 106 SIMPLEQ_ENTRY(sk_txmap_entry) link; 107 }; 108 109 struct msk_chain_data { 110 struct sk_chain sk_tx_chain[MSK_TX_RING_CNT]; 111 struct sk_chain sk_rx_chain[MSK_RX_RING_CNT]; 112 struct sk_txmap_entry *sk_tx_map[MSK_TX_RING_CNT]; 113 bus_dmamap_t sk_rx_map[MSK_RX_RING_CNT]; 114 bus_dmamap_t sk_rx_jumbo_map; 115 unsigned sk_tx_prod; 116 unsigned sk_tx_cons; 117 unsigned sk_tx_cnt; 118 u_int32_t sk_tx_hiaddr; 119 unsigned sk_rx_prod; 120 unsigned sk_rx_cons; 121 unsigned sk_rx_cnt; 122 u_int32_t sk_rx_hiaddr; 123 /* Stick the jumbo mem management stuff here too. */ 124 void * sk_jslots[MSK_JSLOTS]; 125 void *sk_jumbo_buf; 126 bus_dma_segment_t sk_jumbo_seg; 127 int sk_jumbo_nseg; 128 }; 129 130 struct msk_ring_data { 131 struct msk_tx_desc sk_tx_ring[MSK_TX_RING_CNT]; 132 struct msk_rx_desc sk_rx_ring[MSK_RX_RING_CNT]; 133 }; 134 135 #define MSK_TX_RING_ADDR(sc, i) \ 136 ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ 137 offsetof(struct msk_ring_data, sk_tx_ring[(i)])) 138 139 #define MSK_RX_RING_ADDR(sc, i) \ 140 ((sc)->sk_ring_map->dm_segs[0].ds_addr + \ 141 offsetof(struct msk_ring_data, sk_rx_ring[(i)])) 142 143 #define MSK_CDOFF(x) offsetof(struct msk_ring_data, x) 144 #define MSK_CDTXOFF(x) MSK_CDOFF(sk_tx_ring[(x)]) 145 #define MSK_CDRXOFF(x) MSK_CDOFF(sk_rx_ring[(x)]) 146 #define MSK_CDSTOFF(x) ((x) * sizeof(struct msk_status_desc)) 147 148 #define MSK_CDTXSYNC(sc, x, n, ops) \ 149 do { \ 150 int __x, __n; \ 151 \ 152 __x = (x); \ 153 __n = (n); \ 154 \ 155 /* If it will wrap around, sync to the end of the ring. */ \ 156 if ((__x + __n) > MSK_TX_RING_CNT) { \ 157 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, \ 158 (sc)->sk_ring_map, MSK_CDTXOFF(__x), \ 159 sizeof(struct msk_tx_desc) * (MSK_TX_RING_CNT - __x), \ 160 (ops)); \ 161 __n -= (MSK_TX_RING_CNT - __x); \ 162 __x = 0; \ 163 } \ 164 \ 165 /* Now sync whatever is left. */ \ 166 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ 167 MSK_CDTXOFF((__x)), sizeof(struct msk_tx_desc) * __n, (ops)); \ 168 } while (/*CONSTCOND*/0) 169 170 #define MSK_CDRXSYNC(sc, x, ops) \ 171 do { \ 172 bus_dmamap_sync((sc)->sk_softc->sc_dmatag, (sc)->sk_ring_map, \ 173 MSK_CDRXOFF((x)), sizeof(struct msk_rx_desc), (ops)); \ 174 } while (/*CONSTCOND*/0) 175 176 #define MSK_CDSTSYNC(sc, x, ops) \ 177 do { \ 178 bus_dmamap_sync((sc)->sc_dmatag, (sc)->sk_status_map, \ 179 MSK_CDSTOFF((x)), sizeof(struct msk_status_desc), (ops)); \ 180 } while (/*CONSTCOND*/0) 181 182 #define SK_INC(x, y) (x) = (x + 1) % y 183 184 /* Forward decl. */ 185 struct sk_if_softc; 186 187 /* Softc for the Yukon-II controller. */ 188 struct sk_softc { 189 device_t sk_dev; 190 bus_space_handle_t sk_bhandle; /* bus space handle */ 191 bus_space_tag_t sk_btag; /* bus space tag */ 192 bus_size_t sk_bsize; /* bus space size */ 193 void *sk_intrhand; /* irq handler handle */ 194 pci_intr_handle_t *sk_pihp; 195 pci_chipset_tag_t sk_pc; 196 u_int8_t sk_fibertype; 197 u_int8_t sk_type; 198 u_int8_t sk_rev; 199 u_int8_t sk_macs; /* # of MACs */ 200 const char *sk_name; 201 u_int32_t sk_ramsize; /* amount of RAM on NIC */ 202 u_int32_t sk_intrmask; 203 struct sysctllog *sk_clog; 204 int sk_int_mod; 205 int sk_int_mod_pending; 206 bus_dma_tag_t sc_dmatag; 207 struct sk_if_softc *sk_if[2]; 208 struct msk_status_desc *sk_status_ring; 209 bus_dmamap_t sk_status_map; 210 bus_dma_segment_t sk_status_seg; 211 int sk_status_nseg; 212 int sk_status_idx; 213 int sk_status_own_idx; 214 u_int8_t rnd_attached; 215 krndsource_t rnd_source; 216 }; 217 218 /* Softc for each logical interface */ 219 struct sk_if_softc { 220 device_t sk_dev; 221 struct ethercom sk_ethercom; /* interface info */ 222 struct mii_data sk_mii; 223 u_int8_t sk_enaddr[ETHER_ADDR_LEN]; /* station addr */ 224 u_int8_t sk_port; /* port # on controller */ 225 u_int32_t sk_rx_ramstart; 226 u_int32_t sk_rx_ramend; 227 u_int32_t sk_tx_ramstart; 228 u_int32_t sk_tx_ramend; 229 int sk_pktlen; /* XXX set but unused for now */ 230 int sk_link; 231 struct callout sk_tick_ch; 232 struct callout sk_tick_rx; 233 struct msk_chain_data sk_cdata; 234 struct msk_ring_data *sk_rdata; 235 bus_dmamap_t sk_ring_map; 236 bus_dma_segment_t sk_ring_seg; 237 int sk_ring_nseg; 238 int sk_status_idx; 239 struct sk_softc *sk_softc; /* parent controller */ 240 u_short sk_if_flags; 241 kmutex_t sk_jpool_mtx; 242 LIST_HEAD(__sk_jfreehead, sk_jpool_entry) sk_jfree_listhead; 243 LIST_HEAD(__sk_jinusehead, sk_jpool_entry) sk_jinuse_listhead; 244 SIMPLEQ_HEAD(__sk_txmaphead, sk_txmap_entry) sk_txmap_head; 245 }; 246 247 struct skc_attach_args { 248 u_int16_t skc_port; 249 u_int8_t skc_type; 250 u_int8_t skc_rev; 251 }; 252 253 #endif /* _DEV_PCI_IF_MSKVAR_H_ */ 254
Indexes created Fri Oct 03 02:09:57 GMT 2025