1 /* $NetBSD: if_nfevar.h,v 1.12 2020/03/01 15:43:58 thorpej Exp $ */ 2 /* $OpenBSD: if_nfevar.h,v 1.13 2007/12/05 08:30:33 jsg Exp $ */ 3 4 /*- 5 * Copyright (c) 2005 Jonathan Gray <jsg@openbsd.org> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 #define NFE_IFQ_MAXLEN 64 21 22 struct nfe_tx_data { 23 bus_dmamap_t map; 24 bus_dmamap_t active; 25 struct mbuf *m; 26 }; 27 28 struct nfe_tx_ring { 29 bus_dmamap_t map; 30 bus_dma_segment_t seg; 31 bus_addr_t physaddr; 32 struct nfe_desc32 *desc32; 33 struct nfe_desc64 *desc64; 34 struct nfe_tx_data data[NFE_TX_RING_COUNT]; 35 int queued; 36 int cur; 37 int next; 38 }; 39 40 struct nfe_jbuf { 41 void *buf; 42 bus_addr_t physaddr; 43 SLIST_ENTRY(nfe_jbuf) jnext; 44 }; 45 46 struct nfe_rx_data { 47 bus_dmamap_t map; 48 struct mbuf *m; 49 }; 50 51 struct nfe_rx_ring { 52 bus_dmamap_t map; 53 bus_dma_segment_t seg; 54 bus_dmamap_t jmap; 55 bus_dma_segment_t jseg; 56 bus_addr_t physaddr; 57 struct nfe_desc32 *desc32; 58 struct nfe_desc64 *desc64; 59 void *jpool; 60 struct nfe_rx_data data[NFE_RX_RING_COUNT]; 61 struct nfe_jbuf jbuf[NFE_JPOOL_COUNT]; 62 int jbufmap[NFE_RX_RING_COUNT]; 63 SLIST_HEAD(, nfe_jbuf) jfreelist; 64 int bufsz; 65 int cur; 66 int next; 67 kmutex_t mtx; 68 }; 69 70 struct nfe_softc { 71 device_t sc_dev; 72 struct ethercom sc_ethercom; 73 uint8_t sc_enaddr[ETHER_ADDR_LEN]; 74 pci_chipset_tag_t sc_pc; 75 bus_space_handle_t sc_memh; 76 bus_space_tag_t sc_memt; 77 bus_size_t sc_mems; 78 void *sc_ih; 79 bus_dma_tag_t sc_dmat; 80 bool sc_dmat_needs_free; 81 struct mii_data sc_mii; 82 struct callout sc_tick_ch; 83 84 u_short sc_if_flags; 85 u_int sc_flags; 86 #define NFE_JUMBO_SUP 0x01 87 #define NFE_40BIT_ADDR 0x02 88 #define NFE_HW_CSUM 0x04 89 #define NFE_HW_VLAN 0x08 90 #define NFE_USE_JUMBO 0x10 91 #define NFE_CORRECT_MACADDR 0x20 92 #define NFE_PWR_MGMT 0x40 93 94 uint32_t rxtxctl; 95 uint8_t mii_phyaddr; 96 97 struct nfe_tx_ring txq; 98 struct nfe_rx_ring rxq; 99 }; 100