1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2008, Pyun YongHyeon <yongari@FreeBSD.org> 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 unmodified, this list of conditions, and the following 12 * 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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD: releng/12.0/sys/dev/ale/if_alevar.h 326255 2017-11-27 14:52:40Z pfg $ 30 */ 31 32#ifndef _IF_ALEVAR_H 33#define _IF_ALEVAR_H 34 35#define ALE_TX_RING_CNT 256 /* Should be multiple of 4. */ 36#define ALE_TX_RING_CNT_MIN 32 37#define ALE_TX_RING_CNT_MAX 1020 38#define ALE_TX_RING_ALIGN 8 39#define ALE_RX_PAGE_ALIGN 32 40#define ALE_RX_PAGES 2 41#define ALE_CMB_ALIGN 32 42 43#define ALE_TSO_MAXSEGSIZE 4096 44#define ALE_TSO_MAXSIZE (65535 + sizeof(struct ether_vlan_header)) 45#define ALE_MAXTXSEGS 35 46 47#define ALE_ADDR_LO(x) ((uint64_t) (x) & 0xFFFFFFFF) 48#define ALE_ADDR_HI(x) ((uint64_t) (x) >> 32) 49 50/* Water mark to kick reclaiming Tx buffers. */ 51#define ALE_TX_DESC_HIWAT (ALE_TX_RING_CNT - ((ALE_TX_RING_CNT * 4) / 10)) 52 53#define ALE_MSI_MESSAGES 1 54#define ALE_MSIX_MESSAGES 1 55 56/* 57 * TODO : Should get real jumbo MTU size. 58 * The hardware seems to have trouble in dealing with large 59 * frame length. If you encounter unstability issue, use 60 * lower MTU size. 61 */ 62#define ALE_JUMBO_FRAMELEN 8132 63#define ALE_JUMBO_MTU \ 64 (ALE_JUMBO_FRAMELEN - sizeof(struct ether_vlan_header) - ETHER_CRC_LEN) 65#define ALE_MAX_FRAMELEN (ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN) 66 67#define ALE_DESC_INC(x, y) ((x) = ((x) + 1) % (y)) 68 69struct ale_txdesc { 70 struct mbuf *tx_m; 71 bus_dmamap_t tx_dmamap; 72}; 73 74struct ale_rx_page { 75 bus_dma_tag_t page_tag; 76 bus_dmamap_t page_map; 77 uint8_t *page_addr; 78 bus_addr_t page_paddr; 79 bus_dma_tag_t cmb_tag; 80 bus_dmamap_t cmb_map; 81 uint32_t *cmb_addr; 82 bus_addr_t cmb_paddr; 83 uint32_t cons; 84}; 85 86struct ale_chain_data{ 87 bus_dma_tag_t ale_parent_tag; 88 bus_dma_tag_t ale_buffer_tag; 89 bus_dma_tag_t ale_tx_tag; 90 struct ale_txdesc ale_txdesc[ALE_TX_RING_CNT]; 91 bus_dma_tag_t ale_tx_ring_tag; 92 bus_dmamap_t ale_tx_ring_map; 93 bus_dma_tag_t ale_rx_mblock_tag[ALE_RX_PAGES]; 94 bus_dmamap_t ale_rx_mblock_map[ALE_RX_PAGES]; 95 struct tx_desc *ale_tx_ring; 96 bus_addr_t ale_tx_ring_paddr; 97 uint32_t *ale_tx_cmb; 98 bus_addr_t ale_tx_cmb_paddr; 99 bus_dma_tag_t ale_tx_cmb_tag; 100 bus_dmamap_t ale_tx_cmb_map; 101 102 uint32_t ale_tx_prod; 103 uint32_t ale_tx_cons; 104 int ale_tx_cnt; 105 struct ale_rx_page ale_rx_page[ALE_RX_PAGES]; 106 int ale_rx_curp; 107 uint16_t ale_rx_seqno; 108}; 109 110#define ALE_TX_RING_SZ \ 111 (sizeof(struct tx_desc) * ALE_TX_RING_CNT) 112#define ALE_RX_PAGE_SZ_MIN (8 * 1024) 113#define ALE_RX_PAGE_SZ_MAX (1024 * 1024) 114#define ALE_RX_FRAMES_PAGE 128 115#define ALE_RX_PAGE_SZ \ 116 (roundup(ALE_MAX_FRAMELEN, ALE_RX_PAGE_ALIGN) * ALE_RX_FRAMES_PAGE) 117#define ALE_TX_CMB_SZ (sizeof(uint32_t)) 118#define ALE_RX_CMB_SZ (sizeof(uint32_t)) 119 120#define ALE_PROC_MIN (ALE_RX_FRAMES_PAGE / 4) 121#define ALE_PROC_MAX \ 122 ((ALE_RX_PAGE_SZ * ALE_RX_PAGES) / ETHER_MAX_LEN) 123#define ALE_PROC_DEFAULT (ALE_PROC_MAX / 4) 124 125struct ale_hw_stats { 126 /* Rx stats. */ 127 uint32_t rx_frames; 128 uint32_t rx_bcast_frames; 129 uint32_t rx_mcast_frames; 130 uint32_t rx_pause_frames; 131 uint32_t rx_control_frames; 132 uint32_t rx_crcerrs; 133 uint32_t rx_lenerrs; 134 uint64_t rx_bytes; 135 uint32_t rx_runts; 136 uint32_t rx_fragments; 137 uint32_t rx_pkts_64; 138 uint32_t rx_pkts_65_127; 139 uint32_t rx_pkts_128_255; 140 uint32_t rx_pkts_256_511; 141 uint32_t rx_pkts_512_1023; 142 uint32_t rx_pkts_1024_1518; 143 uint32_t rx_pkts_1519_max; 144 uint32_t rx_pkts_truncated; 145 uint32_t rx_fifo_oflows; 146 uint32_t rx_rrs_errs; 147 uint32_t rx_alignerrs; 148 uint64_t rx_bcast_bytes; 149 uint64_t rx_mcast_bytes; 150 uint32_t rx_pkts_filtered; 151 /* Tx stats. */ 152 uint32_t tx_frames; 153 uint32_t tx_bcast_frames; 154 uint32_t tx_mcast_frames; 155 uint32_t tx_pause_frames; 156 uint32_t tx_excess_defer; 157 uint32_t tx_control_frames; 158 uint32_t tx_deferred; 159 uint64_t tx_bytes; 160 uint32_t tx_pkts_64; 161 uint32_t tx_pkts_65_127; 162 uint32_t tx_pkts_128_255; 163 uint32_t tx_pkts_256_511; 164 uint32_t tx_pkts_512_1023; 165 uint32_t tx_pkts_1024_1518; 166 uint32_t tx_pkts_1519_max; 167 uint32_t tx_single_colls; 168 uint32_t tx_multi_colls; 169 uint32_t tx_late_colls; 170 uint32_t tx_excess_colls; 171 uint32_t tx_abort; 172 uint32_t tx_underrun; 173 uint32_t tx_desc_underrun; 174 uint32_t tx_lenerrs; 175 uint32_t tx_pkts_truncated; 176 uint64_t tx_bcast_bytes; 177 uint64_t tx_mcast_bytes; 178 /* Misc. */ 179 uint32_t reset_brk_seq; 180}; 181 182/* 183 * Software state per device. 184 */ 185struct ale_softc { 186 struct ifnet *ale_ifp; 187 device_t ale_dev; 188 device_t ale_miibus; 189 struct resource *ale_res[1]; 190 struct resource_spec *ale_res_spec; 191 struct resource *ale_irq[ALE_MSI_MESSAGES]; 192 struct resource_spec *ale_irq_spec; 193 void *ale_intrhand[ALE_MSI_MESSAGES]; 194 int ale_rev; 195 int ale_chip_rev; 196 int ale_phyaddr; 197 uint8_t ale_eaddr[ETHER_ADDR_LEN]; 198 uint32_t ale_dma_rd_burst; 199 uint32_t ale_dma_wr_burst; 200 int ale_flags; 201#define ALE_FLAG_PCIE 0x0001 202#define ALE_FLAG_PCIX 0x0002 203#define ALE_FLAG_MSI 0x0004 204#define ALE_FLAG_MSIX 0x0008 205#define ALE_FLAG_PMCAP 0x0010 206#define ALE_FLAG_FASTETHER 0x0020 207#define ALE_FLAG_JUMBO 0x0040 208#define ALE_FLAG_RXCSUM_BUG 0x0080 209#define ALE_FLAG_TXCSUM_BUG 0x0100 210#define ALE_FLAG_TXCMB_BUG 0x0200 211#define ALE_FLAG_LINK 0x8000 212 213 struct callout ale_tick_ch; 214 struct ale_hw_stats ale_stats; 215 struct ale_chain_data ale_cdata; 216 int ale_if_flags; 217 int ale_watchdog_timer; 218 int ale_process_limit; 219 volatile int ale_morework; 220 int ale_int_rx_mod; 221 int ale_int_tx_mod; 222 int ale_max_frame_size; 223 int ale_pagesize; 224 225 struct task ale_int_task; 226 struct taskqueue *ale_tq; 227 struct mtx ale_mtx; 228}; 229 230/* Register access macros. */ 231#define CSR_WRITE_4(_sc, reg, val) \ 232 bus_write_4((_sc)->ale_res[0], (reg), (val)) 233#define CSR_WRITE_2(_sc, reg, val) \ 234 bus_write_2((_sc)->ale_res[0], (reg), (val)) 235#define CSR_WRITE_1(_sc, reg, val) \ 236 bus_write_1((_sc)->ale_res[0], (reg), (val)) 237#define CSR_READ_2(_sc, reg) \ 238 bus_read_2((_sc)->ale_res[0], (reg)) 239#define CSR_READ_4(_sc, reg) \ 240 bus_read_4((_sc)->ale_res[0], (reg)) 241 242#define ALE_LOCK(_sc) mtx_lock(&(_sc)->ale_mtx) 243#define ALE_UNLOCK(_sc) mtx_unlock(&(_sc)->ale_mtx) 244#define ALE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->ale_mtx, MA_OWNED) 245 246#define ALE_TX_TIMEOUT 5 247#define ALE_RESET_TIMEOUT 100 248#define ALE_TIMEOUT 1000 249#define ALE_PHY_TIMEOUT 1000 250 251#endif /* _IF_ATEVAR_H */ 252