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 | |