xref: /freebsd/sys/dev/age/if_agevar.h (revision fcb560670601b2a4d87bb31d7531c8dcc37ee71b)
1 /*-
2  * Copyright (c) 2008, Pyun YongHyeon <yongari@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice unmodified, this list of conditions, and the following
10  *    disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef	_IF_AGEVAR_H
31 #define	_IF_AGEVAR_H
32 
33 #define	AGE_TX_RING_CNT		256
34 #define	AGE_RX_RING_CNT		256
35 #define	AGE_RR_RING_CNT		(AGE_TX_RING_CNT + AGE_RX_RING_CNT)
36 /* The following ring alignments are just guessing. */
37 #define	AGE_TX_RING_ALIGN	16
38 #define	AGE_RX_RING_ALIGN	16
39 #define	AGE_RR_RING_ALIGN	16
40 #define	AGE_CMB_ALIGN		16
41 #define	AGE_SMB_ALIGN		16
42 
43 #define	AGE_TSO_MAXSEGSIZE	4096
44 #define	AGE_TSO_MAXSIZE		(65535 + sizeof(struct ether_vlan_header))
45 #define	AGE_MAXTXSEGS		35
46 #define	AGE_RX_BUF_ALIGN	8
47 #ifndef __NO_STRICT_ALIGNMENT
48 #define	AGE_RX_BUF_SIZE		(MCLBYTES - AGE_RX_BUF_ALIGN)
49 #else
50 #define	AGE_RX_BUF_SIZE		(MCLBYTES)
51 #endif
52 
53 #define	AGE_ADDR_LO(x)		((uint64_t) (x) & 0xFFFFFFFF)
54 #define	AGE_ADDR_HI(x)		((uint64_t) (x) >> 32)
55 
56 #define	AGE_MSI_MESSAGES	1
57 #define	AGE_MSIX_MESSAGES	1
58 
59 /* TODO : Should get real jumbo MTU size. */
60 #define AGE_JUMBO_FRAMELEN	10240
61 #define AGE_JUMBO_MTU					\
62 	(AGE_JUMBO_FRAMELEN - ETHER_VLAN_ENCAP_LEN - 	\
63 	 ETHER_HDR_LEN - ETHER_CRC_LEN)
64 
65 #define	AGE_DESC_INC(x, y)	((x) = ((x) + 1) % (y))
66 
67 #define	AGE_PROC_MIN		30
68 #define	AGE_PROC_MAX		(AGE_RX_RING_CNT - 1)
69 #define	AGE_PROC_DEFAULT	(AGE_RX_RING_CNT / 2)
70 
71 struct age_txdesc {
72 	struct mbuf		*tx_m;
73 	bus_dmamap_t		tx_dmamap;
74 	struct tx_desc		*tx_desc;
75 };
76 
77 struct age_rxdesc {
78 	struct mbuf 		*rx_m;
79 	bus_dmamap_t		rx_dmamap;
80 	struct rx_desc		*rx_desc;
81 };
82 
83 struct age_chain_data{
84 	bus_dma_tag_t		age_parent_tag;
85 	bus_dma_tag_t		age_buffer_tag;
86 	bus_dma_tag_t		age_tx_tag;
87 	struct age_txdesc	age_txdesc[AGE_TX_RING_CNT];
88 	bus_dma_tag_t		age_rx_tag;
89 	struct age_rxdesc	age_rxdesc[AGE_RX_RING_CNT];
90 	bus_dma_tag_t		age_tx_ring_tag;
91 	bus_dmamap_t		age_tx_ring_map;
92 	bus_dma_tag_t		age_rx_ring_tag;
93 	bus_dmamap_t		age_rx_ring_map;
94 	bus_dmamap_t		age_rx_sparemap;
95 	bus_dma_tag_t		age_rr_ring_tag;
96 	bus_dmamap_t		age_rr_ring_map;
97 	bus_dma_tag_t		age_cmb_block_tag;
98 	bus_dmamap_t		age_cmb_block_map;
99 	bus_dma_tag_t		age_smb_block_tag;
100 	bus_dmamap_t		age_smb_block_map;
101 
102 	int			age_tx_prod;
103 	int			age_tx_cons;
104 	int			age_tx_cnt;
105 	int			age_rx_cons;
106 	int			age_rr_cons;
107 	int			age_rxlen;
108 
109 	struct mbuf		*age_rxhead;
110 	struct mbuf		*age_rxtail;
111 	struct mbuf		*age_rxprev_tail;
112 };
113 
114 struct age_ring_data {
115 	struct tx_desc		*age_tx_ring;
116 	bus_addr_t		age_tx_ring_paddr;
117 	struct rx_desc		*age_rx_ring;
118 	bus_addr_t		age_rx_ring_paddr;
119 	struct rx_rdesc		*age_rr_ring;
120 	bus_addr_t		age_rr_ring_paddr;
121 	struct cmb		*age_cmb_block;
122 	bus_addr_t		age_cmb_block_paddr;
123 	struct smb		*age_smb_block;
124 	bus_addr_t		age_smb_block_paddr;
125 };
126 
127 #define AGE_TX_RING_SZ		\
128     (sizeof(struct tx_desc) * AGE_TX_RING_CNT)
129 #define AGE_RX_RING_SZ		\
130     (sizeof(struct rx_desc) * AGE_RX_RING_CNT)
131 #define	AGE_RR_RING_SZ		\
132     (sizeof(struct rx_rdesc) * AGE_RR_RING_CNT)
133 #define	AGE_CMB_BLOCK_SZ	sizeof(struct cmb)
134 #define	AGE_SMB_BLOCK_SZ	sizeof(struct smb)
135 
136 struct age_stats {
137 	/* Rx stats. */
138 	uint64_t rx_frames;
139 	uint64_t rx_bcast_frames;
140 	uint64_t rx_mcast_frames;
141 	uint32_t rx_pause_frames;
142 	uint32_t rx_control_frames;
143 	uint32_t rx_crcerrs;
144 	uint32_t rx_lenerrs;
145 	uint64_t rx_bytes;
146 	uint32_t rx_runts;
147 	uint64_t rx_fragments;
148 	uint64_t rx_pkts_64;
149 	uint64_t rx_pkts_65_127;
150 	uint64_t rx_pkts_128_255;
151 	uint64_t rx_pkts_256_511;
152 	uint64_t rx_pkts_512_1023;
153 	uint64_t rx_pkts_1024_1518;
154 	uint64_t rx_pkts_1519_max;
155 	uint64_t rx_pkts_truncated;
156 	uint32_t rx_fifo_oflows;
157 	uint32_t rx_desc_oflows;
158 	uint32_t rx_alignerrs;
159 	uint64_t rx_bcast_bytes;
160 	uint64_t rx_mcast_bytes;
161 	uint64_t rx_pkts_filtered;
162 	/* Tx stats. */
163 	uint64_t tx_frames;
164 	uint64_t tx_bcast_frames;
165 	uint64_t tx_mcast_frames;
166 	uint32_t tx_pause_frames;
167 	uint32_t tx_excess_defer;
168 	uint32_t tx_control_frames;
169 	uint32_t tx_deferred;
170 	uint64_t tx_bytes;
171 	uint64_t tx_pkts_64;
172 	uint64_t tx_pkts_65_127;
173 	uint64_t tx_pkts_128_255;
174 	uint64_t tx_pkts_256_511;
175 	uint64_t tx_pkts_512_1023;
176 	uint64_t tx_pkts_1024_1518;
177 	uint64_t tx_pkts_1519_max;
178 	uint32_t tx_single_colls;
179 	uint32_t tx_multi_colls;
180 	uint32_t tx_late_colls;
181 	uint32_t tx_excess_colls;
182 	uint32_t tx_underrun;
183 	uint32_t tx_desc_underrun;
184 	uint32_t tx_lenerrs;
185 	uint32_t tx_pkts_truncated;
186 	uint64_t tx_bcast_bytes;
187 	uint64_t tx_mcast_bytes;
188 };
189 
190 /*
191  * Software state per device.
192  */
193 struct age_softc {
194 	struct ifnet 		*age_ifp;
195 	device_t		age_dev;
196 	device_t		age_miibus;
197 	struct resource		*age_res[1];
198 	struct resource_spec	*age_res_spec;
199 	struct resource		*age_irq[AGE_MSI_MESSAGES];
200 	struct resource_spec	*age_irq_spec;
201 	void			*age_intrhand[AGE_MSI_MESSAGES];
202 	int			age_rev;
203 	int			age_chip_rev;
204 	int			age_phyaddr;
205 	uint8_t			age_eaddr[ETHER_ADDR_LEN];
206 	uint32_t		age_dma_rd_burst;
207 	uint32_t		age_dma_wr_burst;
208 	int			age_flags;
209 #define	AGE_FLAG_PCIE		0x0001
210 #define	AGE_FLAG_PCIX		0x0002
211 #define	AGE_FLAG_MSI		0x0004
212 #define	AGE_FLAG_MSIX		0x0008
213 #define	AGE_FLAG_PMCAP		0x0010
214 #define	AGE_FLAG_DETACH		0x4000
215 #define	AGE_FLAG_LINK		0x8000
216 
217 	struct callout		age_tick_ch;
218 	struct age_stats	age_stat;
219 	struct age_chain_data	age_cdata;
220 	struct age_ring_data	age_rdata;
221 	int			age_if_flags;
222 	int			age_watchdog_timer;
223 	int			age_process_limit;
224 	int			age_int_mod;
225 	int			age_max_frame_size;
226 	int			age_morework;
227 	int			age_rr_prod;
228 	int			age_tpd_cons;
229 
230 	struct task		age_int_task;
231 	struct task		age_link_task;
232 	struct taskqueue	*age_tq;
233 	struct mtx		age_mtx;
234 };
235 
236 /* Register access macros. */
237 #define CSR_WRITE_4(_sc, reg, val)	\
238 	bus_write_4((_sc)->age_res[0], (reg), (val))
239 #define CSR_WRITE_2(_sc, reg, val)	\
240 	bus_write_2((_sc)->age_res[0], (reg), (val))
241 #define CSR_READ_2(_sc, reg)		\
242 	bus_read_2((_sc)->age_res[0], (reg))
243 #define CSR_READ_4(_sc, reg)		\
244 	bus_read_4((_sc)->age_res[0], (reg))
245 
246 #define AGE_LOCK(_sc)		mtx_lock(&(_sc)->age_mtx)
247 #define AGE_UNLOCK(_sc)		mtx_unlock(&(_sc)->age_mtx)
248 #define AGE_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->age_mtx, MA_OWNED)
249 
250 
251 #define	AGE_COMMIT_MBOX(_sc)						\
252 do {									\
253 	CSR_WRITE_4(_sc, AGE_MBOX,					\
254 	    (((_sc)->age_cdata.age_rx_cons << MBOX_RD_PROD_IDX_SHIFT) &	\
255 	    MBOX_RD_PROD_IDX_MASK) |					\
256 	    (((_sc)->age_cdata.age_rr_cons <<				\
257 	    MBOX_RRD_CONS_IDX_SHIFT) & MBOX_RRD_CONS_IDX_MASK) |	\
258 	    (((_sc)->age_cdata.age_tx_prod << MBOX_TD_PROD_IDX_SHIFT) &	\
259 	    MBOX_TD_PROD_IDX_MASK));					\
260 } while (0)
261 
262 #define	AGE_RXCHAIN_RESET(_sc)						\
263 do {									\
264 	(_sc)->age_cdata.age_rxhead = NULL;				\
265 	(_sc)->age_cdata.age_rxtail = NULL;				\
266 	(_sc)->age_cdata.age_rxprev_tail = NULL;			\
267 	(_sc)->age_cdata.age_rxlen = 0;					\
268 } while (0)
269 
270 #define	AGE_TX_TIMEOUT		5
271 #define AGE_RESET_TIMEOUT	100
272 #define AGE_TIMEOUT		1000
273 #define AGE_PHY_TIMEOUT		1000
274 
275 #endif	/* _IF_AGEVAR_H */
276