sys/dev/age/if_agevar.h

   1 /*-
   2  * Copyright (c) 2008, Pyun YongHyeon <yongari@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice unmodified, this list of conditions, and the following
  10  *    disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  *
  27  * $FreeBSD$
  28  */
  29
  30 #ifndef _IF_AGEVAR_H
  31 #define _IF_AGEVAR_H
  32
  33 #define AGE_TX_RING_CNT         256
  34 #define AGE_RX_RING_CNT         256
  35 #define AGE_RR_RING_CNT         (AGE_TX_RING_CNT + AGE_RX_RING_CNT)
  36 /* The following ring alignments are just guessing. */
  37 #define AGE_TX_RING_ALIGN       16
  38 #define AGE_RX_RING_ALIGN       16
  39 #define AGE_RR_RING_ALIGN       16
  40 #define AGE_CMB_ALIGN           16
  41 #define AGE_SMB_ALIGN           16
  42
  43 #define AGE_TSO_MAXSEGSIZE      4096
  44 #define AGE_TSO_MAXSIZE         (65535 + sizeof(struct ether_vlan_header))
  45 #define AGE_MAXTXSEGS           32
  46 #define AGE_RX_BUF_ALIGN        8
  47 #ifndef __NO_STRICT_ALIGNMENT
  48 #define AGE_RX_BUF_SIZE         (MCLBYTES - AGE_RX_BUF_ALIGN)
  49 #else
  50 #define AGE_RX_BUF_SIZE         (MCLBYTES)
  51 #endif
  52
  53 #define AGE_ADDR_LO(x)          ((uint64_t) (x) & 0xFFFFFFFF)
  54 #define AGE_ADDR_HI(x)          ((uint64_t) (x) >> 32)
  55
  56 #define AGE_MSI_MESSAGES        1
  57 #define AGE_MSIX_MESSAGES       1
  58
  59 /* TODO : Should get real jumbo MTU size. */
  60 #define AGE_JUMBO_FRAMELEN      10240
  61 #define AGE_JUMBO_MTU                                   \
  62         (AGE_JUMBO_FRAMELEN - ETHER_VLAN_ENCAP_LEN -    \
  63          ETHER_HDR_LEN - ETHER_CRC_LEN)
  64
  65 #define AGE_DESC_INC(x, y)      ((x) = ((x) + 1) % (y))
  66
  67 #define AGE_PROC_MIN            30
  68 #define AGE_PROC_MAX            (AGE_RX_RING_CNT - 1)
  69 #define AGE_PROC_DEFAULT        (AGE_RX_RING_CNT / 2)
  70
  71 struct age_txdesc {
  72         struct mbuf             *tx_m;
  73         bus_dmamap_t            tx_dmamap;
  74         struct tx_desc          *tx_desc;
  75 };
  76
  77 struct age_rxdesc {
  78         struct mbuf             *rx_m;
  79         bus_dmamap_t            rx_dmamap;
  80         struct rx_desc          *rx_desc;
  81 };
  82
  83 struct age_chain_data{
  84         bus_dma_tag_t           age_parent_tag;
  85         bus_dma_tag_t           age_buffer_tag;
  86         bus_dma_tag_t           age_tx_tag;
  87         struct age_txdesc       age_txdesc[AGE_TX_RING_CNT];
  88         bus_dma_tag_t           age_rx_tag;
  89         struct age_rxdesc       age_rxdesc[AGE_RX_RING_CNT];
  90         bus_dma_tag_t           age_tx_ring_tag;
  91         bus_dmamap_t            age_tx_ring_map;
  92         bus_dma_tag_t           age_rx_ring_tag;
  93         bus_dmamap_t            age_rx_ring_map;
  94         bus_dmamap_t            age_rx_sparemap;
  95         bus_dma_tag_t           age_rr_ring_tag;
  96         bus_dmamap_t            age_rr_ring_map;
  97         bus_dma_tag_t           age_cmb_block_tag;
  98         bus_dmamap_t            age_cmb_block_map;
  99         bus_dma_tag_t           age_smb_block_tag;
 100         bus_dmamap_t            age_smb_block_map;
 101
 102         int                     age_tx_prod;
 103         int                     age_tx_cons;
 104         int                     age_tx_cnt;
 105         int                     age_rx_cons;
 106         int                     age_rr_cons;
 107         int                     age_rxlen;
 108
 109         struct mbuf             *age_rxhead;
 110         struct mbuf             *age_rxtail;
 111         struct mbuf             *age_rxprev_tail;
 112 };
 113
 114 struct age_ring_data {
 115         struct tx_desc          *age_tx_ring;
 116         bus_addr_t              age_tx_ring_paddr;
 117         struct rx_desc          *age_rx_ring;
 118         bus_addr_t              age_rx_ring_paddr;
 119         struct rx_rdesc         *age_rr_ring;
 120         bus_addr_t              age_rr_ring_paddr;
 121         struct cmb              *age_cmb_block;
 122         bus_addr_t              age_cmb_block_paddr;
 123         struct smb              *age_smb_block;
 124         bus_addr_t              age_smb_block_paddr;
 125 };
 126
 127 #define AGE_TX_RING_SZ          \
 128     (sizeof(struct tx_desc) * AGE_TX_RING_CNT)
 129 #define AGE_RX_RING_SZ          \
 130     (sizeof(struct rx_desc) * AGE_RX_RING_CNT)
 131 #define AGE_RR_RING_SZ          \
 132     (sizeof(struct rx_rdesc) * AGE_RR_RING_CNT)
 133 #define AGE_CMB_BLOCK_SZ        sizeof(struct cmb)
 134 #define AGE_SMB_BLOCK_SZ        sizeof(struct smb)
 135
 136 struct age_stats {
 137         /* Rx stats. */
 138         uint64_t rx_frames;
 139         uint64_t rx_bcast_frames;
 140         uint64_t rx_mcast_frames;
 141         uint32_t rx_pause_frames;
 142         uint32_t rx_control_frames;
 143         uint32_t rx_crcerrs;
 144         uint32_t rx_lenerrs;
 145         uint64_t rx_bytes;
 146         uint32_t rx_runts;
 147         uint64_t rx_fragments;
 148         uint64_t rx_pkts_64;
 149         uint64_t rx_pkts_65_127;
 150         uint64_t rx_pkts_128_255;
 151         uint64_t rx_pkts_256_511;
 152         uint64_t rx_pkts_512_1023;
 153         uint64_t rx_pkts_1024_1518;
 154         uint64_t rx_pkts_1519_max;
 155         uint64_t rx_pkts_truncated;
 156         uint32_t rx_fifo_oflows;
 157         uint32_t rx_desc_oflows;
 158         uint32_t rx_alignerrs;
 159         uint64_t rx_bcast_bytes;
 160         uint64_t rx_mcast_bytes;
 161         uint64_t rx_pkts_filtered;
 162         /* Tx stats. */
 163         uint64_t tx_frames;
 164         uint64_t tx_bcast_frames;
 165         uint64_t tx_mcast_frames;
 166         uint32_t tx_pause_frames;
 167         uint32_t tx_excess_defer;
 168         uint32_t tx_control_frames;
 169         uint32_t tx_deferred;
 170         uint64_t tx_bytes;
 171         uint64_t tx_pkts_64;
 172         uint64_t tx_pkts_65_127;
 173         uint64_t tx_pkts_128_255;
 174         uint64_t tx_pkts_256_511;
 175         uint64_t tx_pkts_512_1023;
 176         uint64_t tx_pkts_1024_1518;
 177         uint64_t tx_pkts_1519_max;
 178         uint32_t tx_single_colls;
 179         uint32_t tx_multi_colls;
 180         uint32_t tx_late_colls;
 181         uint32_t tx_excess_colls;
 182         uint32_t tx_underrun;
 183         uint32_t tx_desc_underrun;
 184         uint32_t tx_lenerrs;
 185         uint32_t tx_pkts_truncated;
 186         uint64_t tx_bcast_bytes;
 187         uint64_t tx_mcast_bytes;
 188 };
 189
 190 /*
 191  * Software state per device.
 192  */
 193 struct age_softc {
 194         struct ifnet            *age_ifp;
 195         device_t                age_dev;
 196         device_t                age_miibus;
 197         struct resource         *age_res[1];
 198         struct resource_spec    *age_res_spec;
 199         struct resource         *age_irq[AGE_MSI_MESSAGES];
 200         struct resource_spec    *age_irq_spec;
 201         void                    *age_intrhand[AGE_MSI_MESSAGES];
 202         int                     age_rev;
 203         int                     age_chip_rev;
 204         int                     age_phyaddr;
 205         uint8_t                 age_eaddr[ETHER_ADDR_LEN];
 206         uint32_t                age_dma_rd_burst;
 207         uint32_t                age_dma_wr_burst;
 208         int                     age_flags;
 209 #define AGE_FLAG_PCIE           0x0001
 210 #define AGE_FLAG_PCIX           0x0002
 211 #define AGE_FLAG_MSI            0x0004
 212 #define AGE_FLAG_MSIX           0x0008
 213 #define AGE_FLAG_PMCAP          0x0010
 214 #define AGE_FLAG_DETACH         0x4000
 215 #define AGE_FLAG_LINK           0x8000
 216
 217         struct callout          age_tick_ch;
 218         struct age_stats        age_stat;
 219         struct age_chain_data   age_cdata;
 220         struct age_ring_data    age_rdata;
 221         int                     age_if_flags;
 222         int                     age_watchdog_timer;
 223         int                     age_process_limit;
 224         int                     age_int_mod;
 225         int                     age_max_frame_size;
 226         int                     age_morework;
 227         int                     age_rr_prod;
 228         int                     age_tpd_cons;
 229
 230         struct task             age_int_task;
 231         struct task             age_link_task;
 232         struct taskqueue        *age_tq;
 233         struct mtx              age_mtx;
 234 };
 235
 236 /* Register access macros. */
 237 #define CSR_WRITE_4(_sc, reg, val)      \
 238         bus_write_4((_sc)->age_res[0], (reg), (val))
 239 #define CSR_WRITE_2(_sc, reg, val)      \
 240         bus_write_2((_sc)->age_res[0], (reg), (val))
 241 #define CSR_READ_2(_sc, reg)            \
 242         bus_read_2((_sc)->age_res[0], (reg))
 243 #define CSR_READ_4(_sc, reg)            \
 244         bus_read_4((_sc)->age_res[0], (reg))
 245
 246 #define AGE_LOCK(_sc)           mtx_lock(&(_sc)->age_mtx)
 247 #define AGE_UNLOCK(_sc)         mtx_unlock(&(_sc)->age_mtx)
 248 #define AGE_LOCK_ASSERT(_sc)    mtx_assert(&(_sc)->age_mtx, MA_OWNED)
 249
 250
 251 #define AGE_COMMIT_MBOX(_sc)                                            \
 252 do {                                                                    \
 253         CSR_WRITE_4(_sc, AGE_MBOX,                                      \
 254             (((_sc)->age_cdata.age_rx_cons << MBOX_RD_PROD_IDX_SHIFT) & \
 255             MBOX_RD_PROD_IDX_MASK) |                                    \
 256             (((_sc)->age_cdata.age_rr_cons <<                           \
 257             MBOX_RRD_CONS_IDX_SHIFT) & MBOX_RRD_CONS_IDX_MASK) |        \
 258             (((_sc)->age_cdata.age_tx_prod << MBOX_TD_PROD_IDX_SHIFT) & \
 259             MBOX_TD_PROD_IDX_MASK));                                    \
 260 } while (0)
 261
 262 #define AGE_RXCHAIN_RESET(_sc)                                          \
 263 do {                                                                    \
 264         (_sc)->age_cdata.age_rxhead = NULL;                             \
 265         (_sc)->age_cdata.age_rxtail = NULL;                             \
 266         (_sc)->age_cdata.age_rxprev_tail = NULL;                        \
 267         (_sc)->age_cdata.age_rxlen = 0;                                 \
 268 } while (0)
 269
 270 #define AGE_TX_TIMEOUT          5
 271 #define AGE_RESET_TIMEOUT       100
 272 #define AGE_TIMEOUT             1000
 273 #define AGE_PHY_TIMEOUT         1000
 274
 275 #endif  /* _IF_AGEVAR_H */