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 */ 37 38 #define RE_RX_DESC_CNT_DEF 256 39 #define RE_TX_DESC_CNT_DEF 256 40 #define RE_RX_DESC_CNT_MAX 1024 41 #define RE_TX_DESC_CNT_MAX 1024 42 43 #define RE_RX_LIST_SZ(sc) ((sc)->re_rx_desc_cnt * sizeof(struct re_desc)) 44 #define RE_TX_LIST_SZ(sc) ((sc)->re_tx_desc_cnt * sizeof(struct re_desc)) 45 #define RE_RING_ALIGN 256 46 #define RE_IFQ_MAXLEN 512 47 #define RE_MAXSEGS 16 48 #define RE_TXDESC_SPARE 5 49 #define RE_JBUF_COUNT(sc) (((sc)->re_rx_desc_cnt * 3) / 2) 50 51 #define RE_RXDESC_INC(sc, x) (x = (x + 1) % (sc)->re_rx_desc_cnt) 52 #define RE_TXDESC_INC(sc, x) (x = (x + 1) % (sc)->re_tx_desc_cnt) 53 #define RE_OWN(x) (le32toh((x)->re_cmdstat) & RE_RDESC_STAT_OWN) 54 #define RE_RXBYTES(x) (le32toh((x)->re_cmdstat) & RE_RDESC_STAT_GFRAGLEN) 55 #define RE_PKTSZ(x) ((x)/* >> 3*/) 56 57 #define RE_ADDR_LO(y) ((uint64_t) (y) & 0xFFFFFFFF) 58 #define RE_ADDR_HI(y) ((uint64_t) (y) >> 32) 59 60 #define RE_MTU_6K (6 * 1024) 61 #define RE_MTU_9K (9 * 1024) 62 63 #define RE_ETHER_EXTRA (ETHER_HDR_LEN + ETHER_CRC_LEN + EVL_ENCAPLEN) 64 #define RE_FRAMELEN(mtu) ((mtu) + RE_ETHER_EXTRA) 65 66 #define RE_FRAMELEN_6K RE_FRAMELEN(RE_MTU_6K) 67 #define RE_FRAMELEN_9K RE_FRAMELEN(RE_MTU_9K) 68 #define RE_FRAMELEN_MAX RE_FRAMELEN_9K 69 70 #define RE_RXBUF_ALIGN 8 71 #define RE_JBUF_SIZE roundup2(RE_FRAMELEN_MAX, RE_RXBUF_ALIGN) 72 73 struct re_softc; 74 struct re_jbuf { 75 struct re_softc *re_sc; 76 int re_inuse; 77 int re_slot; 78 caddr_t re_buf; 79 bus_addr_t re_paddr; 80 SLIST_ENTRY(re_jbuf) re_link; 81 }; 82 83 struct re_list_data { 84 struct mbuf **re_tx_mbuf; 85 struct mbuf **re_rx_mbuf; 86 bus_addr_t *re_rx_paddr; 87 int re_tx_prodidx; 88 int re_rx_prodidx; 89 int re_tx_considx; 90 int re_tx_free; 91 bus_dmamap_t *re_tx_dmamap; 92 bus_dmamap_t *re_rx_dmamap; 93 bus_dmamap_t re_rx_spare; 94 bus_dma_tag_t re_rx_mtag; /* RX mbuf mapping tag */ 95 bus_dma_tag_t re_tx_mtag; /* TX mbuf mapping tag */ 96 bus_dma_tag_t re_stag; /* stats mapping tag */ 97 bus_dmamap_t re_smap; /* stats map */ 98 struct re_stats *re_stats; 99 bus_addr_t re_stats_addr; 100 bus_dma_tag_t re_rx_list_tag; 101 bus_dmamap_t re_rx_list_map; 102 struct re_desc *re_rx_list; 103 bus_addr_t re_rx_list_addr; 104 bus_dma_tag_t re_tx_list_tag; 105 bus_dmamap_t re_tx_list_map; 106 struct re_desc *re_tx_list; 107 bus_addr_t re_tx_list_addr; 108 109 bus_dma_tag_t re_jpool_tag; 110 bus_dmamap_t re_jpool_map; 111 caddr_t re_jpool; 112 struct re_jbuf *re_jbuf; 113 struct lwkt_serialize re_jbuf_serializer; 114 SLIST_HEAD(, re_jbuf) re_jbuf_free; 115 }; 116 117 struct re_softc { 118 struct arpcom arpcom; /* interface info */ 119 device_t dev; 120 bus_space_handle_t re_bhandle; /* bus space handle */ 121 bus_space_tag_t re_btag; /* bus space tag */ 122 int re_res_rid; 123 int re_res_type; 124 struct resource *re_res; 125 struct resource *re_irq; 126 void *re_intrhand; 127 bus_dma_tag_t re_parent_tag; 128 bus_dma_tag_t re_tag; 129 struct ifpoll_compat re_npoll; 130 struct re_list_data re_ldata; 131 struct callout re_timer; 132 struct mbuf *re_head; 133 struct mbuf *re_tail; 134 uint32_t re_caps; /* see RE_C_ */ 135 int re_rx_desc_cnt; 136 int re_tx_desc_cnt; 137 int re_bus_speed; 138 int rxcycles; 139 int re_rxbuf_size; 140 int (*re_newbuf)(struct re_softc *, int, int); 141 int re_irq_type; 142 int re_irq_rid; 143 144 uint32_t re_flags; /* see RE_F_ */ 145 int re_saved_ifflags; 146 147 uint16_t re_intrs; 148 uint16_t re_tx_ack; 149 uint16_t re_rx_ack; 150 int re_tx_time; 151 int re_rx_time; 152 int re_sim_time; 153 int re_imtype; /* see RE_IMTYPE_ */ 154 155 uint32_t saved_maps[5]; /* pci data */ 156 uint32_t saved_biosaddr; 157 uint8_t saved_intline; 158 uint8_t saved_cachelnsz; 159 uint8_t saved_lattimer; 160 161 /* 162 * Used by Realtek re(4) backend. 163 */ 164 int re_if_flags; 165 uint8_t re_type; 166 u_int16_t re_device_id; 167 u_int8_t re_hw_supp_now_is_oob_ver; 168 int max_jumbo_frame_size; 169 int re_rx_mbuf_sz; 170 u_int8_t RequireAdcBiasPatch; 171 u_int16_t AdcBiasPatchIoffset; 172 u_int16_t SwrCnt1msIni; 173 u_int8_t RequireAdjustUpsTxLinkPulseTiming; 174 u_int8_t re_hw_enable_msi_msix; 175 u_int8_t re_coalesce_tx_pkt; 176 u_int8_t re_8169_MacVersion; 177 u_int8_t re_8169_PhyVersion; 178 int re_tx_cstag; 179 int re_rx_cstag; 180 struct ifmedia media; 181 u_int16_t cur_page; 182 u_int8_t re_unit; 183 }; 184 185 #define RE_C_HWIM 0x4 /* hardware interrupt moderation */ 186 #define RE_C_CONTIGRX 0x400 /* need contig buf to RX jumbo frames */ 187 188 /* Interrupt moderation types */ 189 #define RE_IMTYPE_NONE 0 190 #define RE_IMTYPE_SIM 1 /* simulated */ 191 #define RE_IMTYPE_HW 2 /* hardware based */ 192 193 #define RE_F_TIMER_INTR 0x1 194 #define RE_F_USE_JPOOL 0x2 195 #define RE_F_DROP_RXFRAG 0x4 196 #define RE_F_LINKED 0x8 197 #define RE_F_SUSPENDED 0x10 198 199 /* 200 * register space access macros 201 */ 202 #define CSR_WRITE_STREAM_4(sc, reg, val) \ 203 bus_space_write_stream_4(sc->re_btag, sc->re_bhandle, reg, val) 204 #define CSR_WRITE_4(sc, reg, val) \ 205 bus_space_write_4(sc->re_btag, sc->re_bhandle, reg, val) 206 #define CSR_WRITE_2(sc, reg, val) \ 207 bus_space_write_2(sc->re_btag, sc->re_bhandle, reg, val) 208 #define CSR_WRITE_1(sc, reg, val) \ 209 bus_space_write_1(sc->re_btag, sc->re_bhandle, reg, val) 210 211 #define CSR_READ_4(sc, reg) \ 212 bus_space_read_4(sc->re_btag, sc->re_bhandle, reg) 213 #define CSR_READ_2(sc, reg) \ 214 bus_space_read_2(sc->re_btag, sc->re_bhandle, reg) 215 #define CSR_READ_1(sc, reg) \ 216 bus_space_read_1(sc->re_btag, sc->re_bhandle, reg) 217 218 #define CSR_SETBIT_1(sc, reg, val) \ 219 CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) | (val)) 220 #define CSR_CLRBIT_1(sc, reg, val) \ 221 CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) & ~(val)) 222