1 /* $NetBSD: if_stgereg.h,v 1.3 2003/02/10 21:10:07 christos Exp $ */
2 /* $FreeBSD: src/sys/dev/stge/if_stgereg.h,v 1.1 2006/07/25 00:37:09 yongari Exp $ */
3 /* $DragonFly: src/sys/dev/netif/stge/if_stgevar.h,v 1.1 2006/11/16 13:43:55 sephe Exp $ */
6 * Copyright (c) 2001 The NetBSD Foundation, Inc.
9 * This code is derived from software contributed to The NetBSD Foundation
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the NetBSD
23 * Foundation, Inc. and its contributors.
24 * 4. Neither the name of The NetBSD Foundation nor the names of its
25 * contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
42 * Transmit descriptor list size.
44 #define STGE_TX_RING_CNT 256
45 #define STGE_TX_LOWAT (STGE_TX_RING_CNT/32)
46 #define STGE_TX_HIWAT (STGE_TX_RING_CNT - STGE_TX_LOWAT)
49 * Receive descriptor list size.
51 #define STGE_RX_RING_CNT 256
53 #define STGE_MAXTXSEGS STGE_NTXFRAGS
54 #define STGE_MAXSGSIZE PAGE_SIZE
56 #define STGE_JUMBO_FRAMELEN 9022
57 #define STGE_JUMBO_MTU \
58 (STGE_JUMBO_FRAMELEN - ETHER_HDR_LEN - ETHER_CRC_LEN)
61 struct mbuf *tx_m; /* head of our mbuf chain */
62 bus_dmamap_t tx_dmamap; /* our DMA map */
63 STAILQ_ENTRY(stge_txdesc) tx_q;
66 STAILQ_HEAD(stge_txdq, stge_txdesc);
70 bus_dmamap_t rx_dmamap;
73 #define STGE_ADDR_LO(x) ((u_int64_t) (x) & 0xffffffff)
74 #define STGE_ADDR_HI(x) ((u_int64_t) (x) >> 32)
76 #define STGE_RING_ALIGN 8
78 struct stge_chain_data{
79 bus_dma_tag_t stge_parent_tag;
80 bus_dma_tag_t stge_tx_tag;
81 struct stge_txdesc stge_txdesc[STGE_TX_RING_CNT];
82 struct stge_txdq stge_txfreeq;
83 struct stge_txdq stge_txbusyq;
84 bus_dma_tag_t stge_rx_tag;
85 struct stge_rxdesc stge_rxdesc[STGE_RX_RING_CNT];
86 bus_dma_tag_t stge_tx_ring_tag;
87 bus_dmamap_t stge_tx_ring_map;
88 bus_dma_tag_t stge_rx_ring_tag;
89 bus_dmamap_t stge_rx_ring_map;
90 bus_dmamap_t stge_rx_sparemap;
100 struct mbuf *stge_rxhead;
101 struct mbuf *stge_rxtail;
104 struct stge_ring_data {
105 struct stge_tfd *stge_tx_ring;
106 bus_addr_t stge_tx_ring_paddr;
107 struct stge_rfd *stge_rx_ring;
108 bus_addr_t stge_rx_ring_paddr;
111 #define STGE_TX_RING_ADDR(sc, i) \
112 ((sc)->sc_rdata.stge_tx_ring_paddr + sizeof(struct stge_tfd) * (i))
113 #define STGE_RX_RING_ADDR(sc, i) \
114 ((sc)->sc_rdata.stge_rx_ring_paddr + sizeof(struct stge_rfd) * (i))
116 #define STGE_TX_RING_SZ \
117 (sizeof(struct stge_tfd) * STGE_TX_RING_CNT)
118 #define STGE_RX_RING_SZ \
119 (sizeof(struct stge_rfd) * STGE_RX_RING_CNT)
122 * Software state per device.
125 struct arpcom arpcom;
129 bus_space_handle_t sc_bhandle; /* bus space handle */
130 bus_space_tag_t sc_btag; /* bus space tag */
133 struct resource *sc_res;
136 struct resource *sc_irq;
137 void *sc_ih; /* interrupt cookie */
139 int sc_rev; /* silicon revision */
141 struct callout sc_tick_ch; /* tick callout */
143 struct stge_chain_data sc_cdata;
144 struct stge_ring_data sc_rdata;
147 int sc_txthresh; /* Tx threshold */
148 uint32_t sc_usefiber:1; /* if we're fiber */
149 uint32_t sc_stge1023:1; /* are we a 1023 */
150 uint32_t sc_DMACtrl; /* prototype DMACtrl reg. */
151 uint32_t sc_MACCtrl; /* prototype MacCtrl reg. */
152 uint16_t sc_IntEnable; /* prototype IntEnable reg. */
153 uint16_t sc_led; /* LED conf. from EEPROM */
154 uint8_t sc_PhyCtrl; /* prototype PhyCtrl reg. */
158 struct sysctl_ctx_list sc_sysctl_ctx;
159 struct sysctl_oid *sc_sysctl_tree;
161 int sc_rxint_dmawait;
165 #define STGE_MAXERR 5
167 #define STGE_RXCHAIN_RESET(_sc) \
169 (_sc)->sc_cdata.stge_rxhead = NULL; \
170 (_sc)->sc_cdata.stge_rxtail = NULL; \
171 (_sc)->sc_cdata.stge_rxlen = 0; \
172 } while (/*CONSTCOND*/0)
174 #define STGE_TIMEOUT 1000
176 struct stge_mii_frame {
181 uint8_t mii_turnaround;