1184870Syongari/*- 2184870Syongari * Copyright (c) 2008, Pyun YongHyeon <yongari@FreeBSD.org> 3184870Syongari * All rights reserved. 4184870Syongari * 5184870Syongari * Redistribution and use in source and binary forms, with or without 6184870Syongari * modification, are permitted provided that the following conditions 7184870Syongari * are met: 8184870Syongari * 1. Redistributions of source code must retain the above copyright 9184870Syongari * notice unmodified, this list of conditions, and the following 10184870Syongari * disclaimer. 11184870Syongari * 2. Redistributions in binary form must reproduce the above copyright 12184870Syongari * notice, this list of conditions and the following disclaimer in the 13184870Syongari * documentation and/or other materials provided with the distribution. 14184870Syongari * 15184870Syongari * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16184870Syongari * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17184870Syongari * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18184870Syongari * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19184870Syongari * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20184870Syongari * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21184870Syongari * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22184870Syongari * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23184870Syongari * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24184870Syongari * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25184870Syongari * SUCH DAMAGE. 26184870Syongari * 27184870Syongari * $FreeBSD$ 28184870Syongari */ 29184870Syongari 30184870Syongari#ifndef _IF_ALEVAR_H 31184870Syongari#define _IF_ALEVAR_H 32184870Syongari 33184870Syongari#define ALE_TX_RING_CNT 256 /* Should be multiple of 4. */ 34184870Syongari#define ALE_TX_RING_CNT_MIN 32 35184870Syongari#define ALE_TX_RING_CNT_MAX 1020 36184870Syongari#define ALE_TX_RING_ALIGN 8 37184870Syongari#define ALE_RX_PAGE_ALIGN 32 38184870Syongari#define ALE_RX_PAGES 2 39184870Syongari#define ALE_CMB_ALIGN 32 40184870Syongari 41184870Syongari#define ALE_TSO_MAXSEGSIZE 4096 42184870Syongari#define ALE_TSO_MAXSIZE (65535 + sizeof(struct ether_vlan_header)) 43264443Syongari#define ALE_MAXTXSEGS 35 44184870Syongari 45184870Syongari#define ALE_ADDR_LO(x) ((uint64_t) (x) & 0xFFFFFFFF) 46184870Syongari#define ALE_ADDR_HI(x) ((uint64_t) (x) >> 32) 47184870Syongari 48184870Syongari/* Water mark to kick reclaiming Tx buffers. */ 49184870Syongari#define ALE_TX_DESC_HIWAT (ALE_TX_RING_CNT - ((ALE_TX_RING_CNT * 4) / 10)) 50184870Syongari 51184870Syongari#define ALE_MSI_MESSAGES 1 52184870Syongari#define ALE_MSIX_MESSAGES 1 53184870Syongari 54184870Syongari/* 55184870Syongari * TODO : Should get real jumbo MTU size. 56184870Syongari * The hardware seems to have trouble in dealing with large 57184870Syongari * frame length. If you encounter unstability issue, use 58184870Syongari * lower MTU size. 59184870Syongari */ 60184870Syongari#define ALE_JUMBO_FRAMELEN 8132 61184870Syongari#define ALE_JUMBO_MTU \ 62184870Syongari (ALE_JUMBO_FRAMELEN - sizeof(struct ether_vlan_header) - ETHER_CRC_LEN) 63184870Syongari#define ALE_MAX_FRAMELEN (ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN) 64184870Syongari 65184870Syongari#define ALE_DESC_INC(x, y) ((x) = ((x) + 1) % (y)) 66184870Syongari 67184870Syongaristruct ale_txdesc { 68184870Syongari struct mbuf *tx_m; 69184870Syongari bus_dmamap_t tx_dmamap; 70184870Syongari}; 71184870Syongari 72184870Syongaristruct ale_rx_page { 73184870Syongari bus_dma_tag_t page_tag; 74184870Syongari bus_dmamap_t page_map; 75184870Syongari uint8_t *page_addr; 76184870Syongari bus_addr_t page_paddr; 77184870Syongari bus_dma_tag_t cmb_tag; 78184870Syongari bus_dmamap_t cmb_map; 79184870Syongari uint32_t *cmb_addr; 80184870Syongari bus_addr_t cmb_paddr; 81184870Syongari uint32_t cons; 82184870Syongari}; 83184870Syongari 84184870Syongaristruct ale_chain_data{ 85184870Syongari bus_dma_tag_t ale_parent_tag; 86184870Syongari bus_dma_tag_t ale_buffer_tag; 87184870Syongari bus_dma_tag_t ale_tx_tag; 88184870Syongari struct ale_txdesc ale_txdesc[ALE_TX_RING_CNT]; 89184870Syongari bus_dma_tag_t ale_tx_ring_tag; 90184870Syongari bus_dmamap_t ale_tx_ring_map; 91184870Syongari bus_dma_tag_t ale_rx_mblock_tag[ALE_RX_PAGES]; 92184870Syongari bus_dmamap_t ale_rx_mblock_map[ALE_RX_PAGES]; 93184870Syongari struct tx_desc *ale_tx_ring; 94184870Syongari bus_addr_t ale_tx_ring_paddr; 95184870Syongari uint32_t *ale_tx_cmb; 96184870Syongari bus_addr_t ale_tx_cmb_paddr; 97184870Syongari bus_dma_tag_t ale_tx_cmb_tag; 98184870Syongari bus_dmamap_t ale_tx_cmb_map; 99184870Syongari 100184870Syongari uint32_t ale_tx_prod; 101184870Syongari uint32_t ale_tx_cons; 102184870Syongari int ale_tx_cnt; 103184870Syongari struct ale_rx_page ale_rx_page[ALE_RX_PAGES]; 104184870Syongari int ale_rx_curp; 105184870Syongari uint16_t ale_rx_seqno; 106184870Syongari}; 107184870Syongari 108184870Syongari#define ALE_TX_RING_SZ \ 109184870Syongari (sizeof(struct tx_desc) * ALE_TX_RING_CNT) 110184870Syongari#define ALE_RX_PAGE_SZ_MIN (8 * 1024) 111184870Syongari#define ALE_RX_PAGE_SZ_MAX (1024 * 1024) 112184870Syongari#define ALE_RX_FRAMES_PAGE 128 113184870Syongari#define ALE_RX_PAGE_SZ \ 114184870Syongari (roundup(ALE_MAX_FRAMELEN, ALE_RX_PAGE_ALIGN) * ALE_RX_FRAMES_PAGE) 115184870Syongari#define ALE_TX_CMB_SZ (sizeof(uint32_t)) 116184870Syongari#define ALE_RX_CMB_SZ (sizeof(uint32_t)) 117184870Syongari 118184870Syongari#define ALE_PROC_MIN (ALE_RX_FRAMES_PAGE / 4) 119184870Syongari#define ALE_PROC_MAX \ 120184870Syongari ((ALE_RX_PAGE_SZ * ALE_RX_PAGES) / ETHER_MAX_LEN) 121184870Syongari#define ALE_PROC_DEFAULT (ALE_PROC_MAX / 4) 122184870Syongari 123184870Syongaristruct ale_hw_stats { 124184870Syongari /* Rx stats. */ 125184870Syongari uint32_t rx_frames; 126184870Syongari uint32_t rx_bcast_frames; 127184870Syongari uint32_t rx_mcast_frames; 128184870Syongari uint32_t rx_pause_frames; 129184870Syongari uint32_t rx_control_frames; 130184870Syongari uint32_t rx_crcerrs; 131184870Syongari uint32_t rx_lenerrs; 132184870Syongari uint64_t rx_bytes; 133184870Syongari uint32_t rx_runts; 134184870Syongari uint32_t rx_fragments; 135184870Syongari uint32_t rx_pkts_64; 136184870Syongari uint32_t rx_pkts_65_127; 137184870Syongari uint32_t rx_pkts_128_255; 138184870Syongari uint32_t rx_pkts_256_511; 139184870Syongari uint32_t rx_pkts_512_1023; 140184870Syongari uint32_t rx_pkts_1024_1518; 141184870Syongari uint32_t rx_pkts_1519_max; 142184870Syongari uint32_t rx_pkts_truncated; 143184870Syongari uint32_t rx_fifo_oflows; 144184870Syongari uint32_t rx_rrs_errs; 145184870Syongari uint32_t rx_alignerrs; 146184870Syongari uint64_t rx_bcast_bytes; 147184870Syongari uint64_t rx_mcast_bytes; 148184870Syongari uint32_t rx_pkts_filtered; 149184870Syongari /* Tx stats. */ 150184870Syongari uint32_t tx_frames; 151184870Syongari uint32_t tx_bcast_frames; 152184870Syongari uint32_t tx_mcast_frames; 153184870Syongari uint32_t tx_pause_frames; 154184870Syongari uint32_t tx_excess_defer; 155184870Syongari uint32_t tx_control_frames; 156184870Syongari uint32_t tx_deferred; 157184870Syongari uint64_t tx_bytes; 158184870Syongari uint32_t tx_pkts_64; 159184870Syongari uint32_t tx_pkts_65_127; 160184870Syongari uint32_t tx_pkts_128_255; 161184870Syongari uint32_t tx_pkts_256_511; 162184870Syongari uint32_t tx_pkts_512_1023; 163184870Syongari uint32_t tx_pkts_1024_1518; 164184870Syongari uint32_t tx_pkts_1519_max; 165184870Syongari uint32_t tx_single_colls; 166184870Syongari uint32_t tx_multi_colls; 167184870Syongari uint32_t tx_late_colls; 168184870Syongari uint32_t tx_excess_colls; 169184870Syongari uint32_t tx_abort; 170184870Syongari uint32_t tx_underrun; 171184870Syongari uint32_t tx_desc_underrun; 172184870Syongari uint32_t tx_lenerrs; 173184870Syongari uint32_t tx_pkts_truncated; 174184870Syongari uint64_t tx_bcast_bytes; 175184870Syongari uint64_t tx_mcast_bytes; 176184870Syongari /* Misc. */ 177184870Syongari uint32_t reset_brk_seq; 178184870Syongari}; 179184870Syongari 180184870Syongari/* 181184870Syongari * Software state per device. 182184870Syongari */ 183184870Syongaristruct ale_softc { 184184870Syongari struct ifnet *ale_ifp; 185184870Syongari device_t ale_dev; 186184870Syongari device_t ale_miibus; 187184870Syongari struct resource *ale_res[1]; 188184870Syongari struct resource_spec *ale_res_spec; 189184870Syongari struct resource *ale_irq[ALE_MSI_MESSAGES]; 190184870Syongari struct resource_spec *ale_irq_spec; 191184870Syongari void *ale_intrhand[ALE_MSI_MESSAGES]; 192184870Syongari int ale_rev; 193184870Syongari int ale_chip_rev; 194184870Syongari int ale_phyaddr; 195184870Syongari uint8_t ale_eaddr[ETHER_ADDR_LEN]; 196184870Syongari uint32_t ale_dma_rd_burst; 197184870Syongari uint32_t ale_dma_wr_burst; 198184870Syongari int ale_flags; 199184870Syongari#define ALE_FLAG_PCIE 0x0001 200184870Syongari#define ALE_FLAG_PCIX 0x0002 201184870Syongari#define ALE_FLAG_MSI 0x0004 202184870Syongari#define ALE_FLAG_MSIX 0x0008 203184870Syongari#define ALE_FLAG_PMCAP 0x0010 204184870Syongari#define ALE_FLAG_FASTETHER 0x0020 205184870Syongari#define ALE_FLAG_JUMBO 0x0040 206184870Syongari#define ALE_FLAG_RXCSUM_BUG 0x0080 207184870Syongari#define ALE_FLAG_TXCSUM_BUG 0x0100 208184870Syongari#define ALE_FLAG_TXCMB_BUG 0x0200 209184870Syongari#define ALE_FLAG_LINK 0x8000 210184870Syongari 211184870Syongari struct callout ale_tick_ch; 212184870Syongari struct ale_hw_stats ale_stats; 213184870Syongari struct ale_chain_data ale_cdata; 214184870Syongari int ale_if_flags; 215184870Syongari int ale_watchdog_timer; 216184870Syongari int ale_process_limit; 217184870Syongari volatile int ale_morework; 218184870Syongari int ale_int_rx_mod; 219184870Syongari int ale_int_tx_mod; 220184870Syongari int ale_max_frame_size; 221184870Syongari int ale_pagesize; 222184870Syongari 223184870Syongari struct task ale_int_task; 224184870Syongari struct taskqueue *ale_tq; 225184870Syongari struct mtx ale_mtx; 226184870Syongari}; 227184870Syongari 228184870Syongari/* Register access macros. */ 229184870Syongari#define CSR_WRITE_4(_sc, reg, val) \ 230184870Syongari bus_write_4((_sc)->ale_res[0], (reg), (val)) 231184870Syongari#define CSR_WRITE_2(_sc, reg, val) \ 232184870Syongari bus_write_2((_sc)->ale_res[0], (reg), (val)) 233184870Syongari#define CSR_WRITE_1(_sc, reg, val) \ 234184870Syongari bus_write_1((_sc)->ale_res[0], (reg), (val)) 235184870Syongari#define CSR_READ_2(_sc, reg) \ 236184870Syongari bus_read_2((_sc)->ale_res[0], (reg)) 237184870Syongari#define CSR_READ_4(_sc, reg) \ 238184870Syongari bus_read_4((_sc)->ale_res[0], (reg)) 239184870Syongari 240184870Syongari#define ALE_LOCK(_sc) mtx_lock(&(_sc)->ale_mtx) 241184870Syongari#define ALE_UNLOCK(_sc) mtx_unlock(&(_sc)->ale_mtx) 242184870Syongari#define ALE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->ale_mtx, MA_OWNED) 243184870Syongari 244184870Syongari#define ALE_TX_TIMEOUT 5 245184870Syongari#define ALE_RESET_TIMEOUT 100 246184870Syongari#define ALE_TIMEOUT 1000 247184870Syongari#define ALE_PHY_TIMEOUT 1000 248184870Syongari 249184870Syongari#endif /* _IF_ATEVAR_H */ 250