| 1 | /* $NetBSD: if_nfevar.h,v 1.10 2010/11/03 14:03:40 jakllsch 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 | struct mii_data sc_mii; |
| 81 | struct callout sc_tick_ch; |
| 82 | |
| 83 | int sc_if_flags; |
| 84 | u_int sc_flags; |
| 85 | #define NFE_JUMBO_SUP 0x01 |
| 86 | #define NFE_40BIT_ADDR 0x02 |
| 87 | #define NFE_HW_CSUM 0x04 |
| 88 | #define NFE_HW_VLAN 0x08 |
| 89 | #define NFE_USE_JUMBO 0x10 |
| 90 | #define NFE_CORRECT_MACADDR 0x20 |
| 91 | #define NFE_PWR_MGMT 0x40 |
| 92 | |
| 93 | uint32_t rxtxctl; |
| 94 | uint8_t mii_phyaddr; |
| 95 | |
| 96 | struct nfe_tx_ring txq; |
| 97 | struct nfe_rx_ring rxq; |
| 98 | }; |
| 99 | |