1 /* 2 * Copyright (c) 2004 3 * Joerg Sonnenberger <joerg@bec.de>. All rights reserved. 4 * 5 * Copyright (c) 1997, 1998-2003 6 * Bill Paul <wpaul@ctr.columbia.edu>. 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 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Bill Paul. 19 * 4. Neither the name of the author nor the names of any co-contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 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 33 * THE POSSIBILITY OF SUCH DAMAGE. 34 * 35 * $FreeBSD: src/sys/pci/if_rlreg.h,v 1.42 2004/05/24 19:39:23 jhb Exp $ 36 * $DragonFly: src/sys/dev/netif/re/if_revar.h,v 1.31 2008/10/21 12:31:01 sephe Exp $ 37 */ 38 39 #define RE_RX_DESC_CNT_8139CP 64 40 #define RE_TX_DESC_CNT_8139CP 64 41 42 #define RE_RX_DESC_CNT_DEF 256 43 #define RE_TX_DESC_CNT_DEF 256 44 #define RE_RX_DESC_CNT_MAX 1024 45 #define RE_TX_DESC_CNT_MAX 1024 46 47 #define RE_RX_LIST_SZ(sc) ((sc)->re_rx_desc_cnt * sizeof(struct re_desc)) 48 #define RE_TX_LIST_SZ(sc) ((sc)->re_tx_desc_cnt * sizeof(struct re_desc)) 49 #define RE_RING_ALIGN 256 50 #define RE_IFQ_MAXLEN 512 51 #define RE_MAXSEGS 16 52 #define RE_TXDESC_SPARE 4 53 #define RE_JBUF_COUNT(sc) (((sc)->re_rx_desc_cnt * 3) / 2) 54 55 #define RE_RXDESC_INC(sc, x) (x = (x + 1) % (sc)->re_rx_desc_cnt) 56 #define RE_TXDESC_INC(sc, x) (x = (x + 1) % (sc)->re_tx_desc_cnt) 57 #define RE_OWN(x) (le32toh((x)->re_cmdstat) & RE_RDESC_STAT_OWN) 58 #define RE_RXBYTES(x) (le32toh((x)->re_cmdstat) & sc->re_rxlenmask) 59 #define RE_PKTSZ(x) ((x)/* >> 3*/) 60 61 #define RE_ADDR_LO(y) ((uint64_t) (y) & 0xFFFFFFFF) 62 #define RE_ADDR_HI(y) ((uint64_t) (y) >> 32) 63 64 #define RE_MTU_6K (6 * 1024) 65 #define RE_MTU_9K (9 * 1024) 66 67 #define RE_ETHER_EXTRA (ETHER_HDR_LEN + ETHER_CRC_LEN + EVL_ENCAPLEN) 68 #define RE_FRAMELEN(mtu) ((mtu) + RE_ETHER_EXTRA) 69 70 #define RE_FRAMELEN_6K RE_FRAMELEN(RE_MTU_6K) 71 #define RE_FRAMELEN_9K RE_FRAMELEN(RE_MTU_9K) 72 #define RE_FRAMELEN_MAX RE_FRAMELEN_9K 73 74 #define RE_SWCSUM_LIM_8169 2038 75 #define RE_SWCSUM_UNLIMITED 65536 /* XXX should be enough */ 76 77 #define RE_BUF_ALIGN 8 78 #define RE_JBUF_SIZE roundup2(RE_FRAMELEN_MAX, RE_BUF_ALIGN) 79 80 #define RE_TIMEOUT 1000 81 82 struct re_hwrev { 83 uint32_t re_hwrev; 84 uint32_t re_macver; /* see RE_MACVER_ */ 85 int re_maxmtu; 86 uint32_t re_caps; /* see RE_C_ */ 87 }; 88 89 #define RE_MACVER_UNKN 0 90 #define RE_MACVER_03 0x03 91 #define RE_MACVER_04 0x04 92 #define RE_MACVER_05 0x05 93 #define RE_MACVER_06 0x06 94 #define RE_MACVER_11 0x11 95 #define RE_MACVER_12 0x12 96 #define RE_MACVER_13 0x13 97 #define RE_MACVER_14 0x14 98 #define RE_MACVER_15 0x15 99 #define RE_MACVER_16 0x16 100 #define RE_MACVER_21 0x21 101 #define RE_MACVER_22 0x22 102 #define RE_MACVER_23 0x23 103 #define RE_MACVER_24 0x24 104 #define RE_MACVER_25 0x25 105 #define RE_MACVER_26 0x26 106 #define RE_MACVER_27 0x27 107 #define RE_MACVER_28 0x28 108 #define RE_MACVER_29 0x29 109 #define RE_MACVER_2A 0x2a 110 #define RE_MACVER_2B 0x2b 111 112 struct re_dmaload_arg { 113 int re_nsegs; 114 bus_dma_segment_t *re_segs; 115 }; 116 117 struct re_softc; 118 struct re_jbuf { 119 struct re_softc *re_sc; 120 int re_inuse; 121 int re_slot; 122 caddr_t re_buf; 123 bus_addr_t re_paddr; 124 SLIST_ENTRY(re_jbuf) re_link; 125 }; 126 127 struct re_list_data { 128 struct mbuf **re_tx_mbuf; 129 struct mbuf **re_rx_mbuf; 130 bus_addr_t *re_rx_paddr; 131 int re_tx_prodidx; 132 int re_rx_prodidx; 133 int re_tx_considx; 134 int re_tx_free; 135 bus_dmamap_t *re_tx_dmamap; 136 bus_dmamap_t *re_rx_dmamap; 137 bus_dmamap_t re_rx_spare; 138 bus_dma_tag_t re_mtag; /* mbuf mapping tag */ 139 bus_dma_tag_t re_stag; /* stats mapping tag */ 140 bus_dmamap_t re_smap; /* stats map */ 141 struct re_stats *re_stats; 142 bus_addr_t re_stats_addr; 143 bus_dma_tag_t re_rx_list_tag; 144 bus_dmamap_t re_rx_list_map; 145 struct re_desc *re_rx_list; 146 bus_addr_t re_rx_list_addr; 147 bus_dma_tag_t re_tx_list_tag; 148 bus_dmamap_t re_tx_list_map; 149 struct re_desc *re_tx_list; 150 bus_addr_t re_tx_list_addr; 151 152 bus_dma_tag_t re_jpool_tag; 153 bus_dmamap_t re_jpool_map; 154 caddr_t re_jpool; 155 struct re_jbuf *re_jbuf; 156 struct lwkt_serialize re_jbuf_serializer; 157 SLIST_HEAD(, re_jbuf) re_jbuf_free; 158 }; 159 160 struct re_softc { 161 struct arpcom arpcom; /* interface info */ 162 device_t re_dev; 163 bus_space_handle_t re_bhandle; /* bus space handle */ 164 bus_space_tag_t re_btag; /* bus space tag */ 165 struct resource *re_res; 166 struct resource *re_irq; 167 void *re_intrhand; 168 device_t re_miibus; 169 bus_dma_tag_t re_parent_tag; 170 bus_dma_tag_t re_tag; 171 uint32_t re_hwrev; 172 struct re_list_data re_ldata; 173 struct callout re_timer; 174 struct mbuf *re_head; 175 struct mbuf *re_tail; 176 uint32_t re_caps; /* see RE_C_ */ 177 uint32_t re_macver; /* see RE_MACVER_ */ 178 uint32_t re_rxlenmask; 179 int re_txstart; 180 int re_eewidth; 181 int re_swcsum_lim; 182 int re_maxmtu; 183 int re_rx_desc_cnt; 184 int re_tx_desc_cnt; 185 int re_bus_speed; 186 int rxcycles; 187 int re_rxbuf_size; 188 int (*re_newbuf)(struct re_softc *, int, int); 189 190 uint32_t re_flags; /* see RE_F_ */ 191 int re_if_flags; /* saved ifnet.if_flags */ 192 193 struct sysctl_ctx_list re_sysctl_ctx; 194 struct sysctl_oid *re_sysctl_tree; 195 uint16_t re_intrs; 196 uint16_t re_tx_ack; 197 uint16_t re_rx_ack; 198 int re_tx_time; 199 int re_rx_time; 200 int re_sim_time; 201 int re_imtype; /* see RE_IMTYPE_ */ 202 203 uint32_t saved_maps[5]; /* pci data */ 204 uint32_t saved_biosaddr; 205 uint8_t saved_intline; 206 uint8_t saved_cachelnsz; 207 uint8_t saved_lattimer; 208 }; 209 210 #define RE_C_PCIE 0x1 /* PCI-E */ 211 #define RE_C_PCI64 0x2 /* PCI-X */ 212 #define RE_C_HWIM 0x4 /* hardware interrupt moderation */ 213 #define RE_C_HWCSUM 0x8 /* hardware csum offload */ 214 #define RE_C_8139CP 0x20 /* is 8139C+ */ 215 #define RE_C_MAC2 0x40 /* MAC style 2 */ 216 #define RE_C_PHYPMGT 0x80 /* PHY supports power mgmt */ 217 #define RE_C_8169 0x100 /* is 8110/8169 */ 218 #define RE_C_AUTOPAD 0x200 /* hardware auto-pad short frames */ 219 #define RE_C_CONTIGRX 0x400 /* need contig buf to RX jumbo frames */ 220 #define RE_C_STOP_RXTX 0x800 /* could stop RX/TX engine */ 221 222 #define RE_IS_8139CP(sc) ((sc)->re_caps & RE_C_8139CP) 223 #define RE_IS_8169(sc) ((sc)->re_caps & RE_C_8169) 224 225 /* Interrupt moderation types */ 226 #define RE_IMTYPE_NONE 0 227 #define RE_IMTYPE_SIM 1 /* simulated */ 228 #define RE_IMTYPE_HW 2 /* hardware based */ 229 230 #define RE_F_TIMER_INTR 0x1 231 #define RE_F_USE_JPOOL 0x2 232 #define RE_F_DROP_RXFRAG 0x4 233 #define RE_F_LINKED 0x8 234 #define RE_F_SUSPENDED 0x10 235 #define RE_F_TESTMODE 0x20 236 237 /* 238 * register space access macros 239 */ 240 #define CSR_WRITE_STREAM_4(sc, reg, val) \ 241 bus_space_write_stream_4(sc->re_btag, sc->re_bhandle, reg, val) 242 #define CSR_WRITE_4(sc, reg, val) \ 243 bus_space_write_4(sc->re_btag, sc->re_bhandle, reg, val) 244 #define CSR_WRITE_2(sc, reg, val) \ 245 bus_space_write_2(sc->re_btag, sc->re_bhandle, reg, val) 246 #define CSR_WRITE_1(sc, reg, val) \ 247 bus_space_write_1(sc->re_btag, sc->re_bhandle, reg, val) 248 249 #define CSR_READ_4(sc, reg) \ 250 bus_space_read_4(sc->re_btag, sc->re_bhandle, reg) 251 #define CSR_READ_2(sc, reg) \ 252 bus_space_read_2(sc->re_btag, sc->re_bhandle, reg) 253 #define CSR_READ_1(sc, reg) \ 254 bus_space_read_1(sc->re_btag, sc->re_bhandle, reg) 255 256 #define CSR_SETBIT_1(sc, reg, val) \ 257 CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) | (val)) 258 #define CSR_CLRBIT_1(sc, reg, val) \ 259 CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) & ~(val)) 260