1 /* $NetBSD: dwc_eqos_var.h,v 1.11 2024/10/04 10:42:12 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 2022 Jared McNeill <jmcneill@invisible.ca> 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, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * DesignWare Ethernet Quality-of-Service controller 31 */ 32 33 #ifndef _DWC_EQOS_VAR_H 34 #define _DWC_EQOS_VAR_H 35 36 #include <dev/ic/dwc_eqos_reg.h> 37 38 #define EQOS_DMA_DESC_COUNT 256 39 #define EQOS_DMA_PBL_DEFAULT 8 40 41 struct eqos_bufmap { 42 bus_dmamap_t map; 43 struct mbuf *mbuf; 44 }; 45 46 struct eqos_ring { 47 struct eqos_softc *sc; 48 bus_dmamap_t desc_map; 49 bus_dma_segment_t desc_dmaseg; 50 struct eqos_dma_desc *desc_ring; 51 bus_addr_t desc_ring_paddr; 52 struct eqos_bufmap buf_map[EQOS_DMA_DESC_COUNT]; 53 u_int cur, next, queued; 54 }; 55 56 struct eqos_softc { 57 device_t sc_dev; 58 bus_space_tag_t sc_bst; 59 bus_space_handle_t sc_bsh; 60 bus_dma_tag_t sc_dmat; 61 int sc_phy_id; 62 uint32_t sc_csr_clock; 63 uint32_t sc_clock_range; 64 uint32_t sc_hw_feature[4]; 65 uint32_t sc_dma_txpbl; 66 uint32_t sc_dma_rxpbl; 67 68 struct ethercom sc_ec; 69 struct mii_data sc_mii; 70 callout_t sc_stat_ch; 71 kmutex_t sc_lock; 72 kmutex_t sc_txlock; 73 u_short sc_if_flags; 74 bool sc_txrunning; 75 76 struct eqos_ring sc_tx; 77 struct eqos_ring sc_rx; 78 79 /* receiving context for jumbo frame */ 80 bool sc_rx_discarding; 81 struct mbuf *sc_rx_receiving_m; 82 struct mbuf *sc_rx_receiving_m_last; 83 84 krndsource_t sc_rndsource; 85 struct sysctllog *sc_sysctllog; 86 uint32_t sc_debug; 87 88 /* Indents indicate groups within evcnt. */ 89 struct evcnt sc_ev_intr; 90 struct evcnt sc_ev_rxintr; 91 struct evcnt sc_ev_txintr; 92 struct evcnt sc_ev_mac; 93 struct evcnt sc_ev_mtl; 94 struct evcnt sc_ev_mtl_debugdata; 95 struct evcnt sc_ev_mtl_rxovfis; 96 struct evcnt sc_ev_mtl_txovfis; 97 struct evcnt sc_ev_status; 98 struct evcnt sc_ev_rwt; 99 struct evcnt sc_ev_excol; 100 struct evcnt sc_ev_lcol; 101 struct evcnt sc_ev_exdef; 102 struct evcnt sc_ev_lcarr; 103 struct evcnt sc_ev_ncarr; 104 struct evcnt sc_ev_tjt; 105 }; 106 107 int eqos_attach(struct eqos_softc *); 108 int eqos_intr(void *); 109 110 #endif /* !_DWC_EQOS_VAR_H */ 111