1 /* $OpenBSD: if_nfevar.h,v 1.11 2006/02/19 13:57:02 damien Exp $ */ 2 /* $DragonFly: src/sys/dev/netif/nfe/if_nfevar.h,v 1.13 2008/07/12 11:44:17 sephe 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 struct nfe_tx_data { 21 bus_dmamap_t map; 22 struct mbuf *m; 23 }; 24 25 struct nfe_tx_ring { 26 bus_dma_tag_t tag; 27 bus_dmamap_t map; 28 bus_addr_t physaddr; 29 struct nfe_desc32 *desc32; 30 struct nfe_desc64 *desc64; 31 32 bus_dma_tag_t data_tag; 33 struct nfe_tx_data *data; 34 int queued; 35 int cur; 36 int next; 37 }; 38 39 struct nfe_softc; 40 41 struct nfe_jbuf { 42 struct nfe_softc *sc; 43 struct nfe_rx_ring *ring; 44 int inuse; 45 int slot; 46 caddr_t buf; 47 bus_addr_t physaddr; 48 SLIST_ENTRY(nfe_jbuf) jnext; 49 }; 50 51 struct nfe_rx_data { 52 bus_dmamap_t map; 53 struct mbuf *m; 54 }; 55 56 struct nfe_rx_ring { 57 bus_dma_tag_t tag; 58 bus_dmamap_t map; 59 bus_addr_t physaddr; 60 struct nfe_desc32 *desc32; 61 struct nfe_desc64 *desc64; 62 63 bus_dma_tag_t jtag; 64 bus_dmamap_t jmap; 65 caddr_t jpool; 66 struct nfe_jbuf *jbuf; 67 SLIST_HEAD(, nfe_jbuf) jfreelist; 68 69 bus_dma_tag_t data_tag; 70 bus_dmamap_t data_tmpmap; 71 struct nfe_rx_data *data; 72 int bufsz; 73 int cur; 74 int next; 75 }; 76 77 struct nfe_softc { 78 struct arpcom arpcom; 79 80 int sc_mem_rid; 81 struct resource *sc_mem_res; 82 bus_space_handle_t sc_memh; 83 bus_space_tag_t sc_memt; 84 85 int sc_irq_rid; 86 struct resource *sc_irq_res; 87 void *sc_ih; 88 89 device_t sc_miibus; 90 struct callout sc_tick_ch; 91 92 int sc_if_flags; 93 uint32_t sc_caps; /* hardware capabilities */ 94 #define NFE_JUMBO_SUP 0x01 95 #define NFE_40BIT_ADDR 0x02 96 #define NFE_HW_CSUM 0x04 97 #define NFE_HW_VLAN 0x08 98 #define NFE_FIX_EADDR 0x10 99 #define NFE_NO_PWRCTL 0x20 100 101 uint32_t sc_flags; 102 #define NFE_F_USE_JUMBO 0x01 /* use jumbo frame */ 103 #define NFE_F_DYN_IM 0x02 /* enable dynamic interrupt moderation */ 104 #define NFE_F_IRQ_TIMER 0x04 /* hardware timer irq is used */ 105 106 uint32_t rxtxctl_desc; 107 uint32_t rxtxctl; 108 uint8_t mii_phyaddr; 109 110 struct nfe_tx_ring txq; 111 struct nfe_rx_ring rxq; 112 113 uint32_t sc_irq_enable; 114 int sc_tx_spare; 115 int sc_imtime; 116 int sc_rx_ring_count; 117 int sc_tx_ring_count; 118 int sc_debug; 119 struct sysctl_ctx_list sc_sysctl_ctx; 120 struct sysctl_oid *sc_sysctl_tree; 121 122 struct lwkt_serialize sc_jbuf_serializer; 123 }; 124 125 #define NFE_IRQ_ENABLE(sc) \ 126 ((sc)->sc_imtime == 0 ? NFE_IRQ_NOIMTIMER : \ 127 (((sc)->sc_flags & NFE_F_DYN_IM) ? NFE_IRQ_NOIMTIMER: NFE_IRQ_IMTIMER)) 128