xref: /freebsd/sys/dev/age/if_agevar.h (revision 732a02b4e77866604a120a275c082bb6221bd2ff)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2008, Pyun YongHyeon <yongari@FreeBSD.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice unmodified, this list of conditions, and the following
12  *    disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 
32 #ifndef	_IF_AGEVAR_H
33 #define	_IF_AGEVAR_H
34 
35 #define	AGE_TX_RING_CNT		256
36 #define	AGE_RX_RING_CNT		256
37 #define	AGE_RR_RING_CNT		(AGE_TX_RING_CNT + AGE_RX_RING_CNT)
38 /* The following ring alignments are just guessing. */
39 #define	AGE_TX_RING_ALIGN	16
40 #define	AGE_RX_RING_ALIGN	16
41 #define	AGE_RR_RING_ALIGN	16
42 #define	AGE_CMB_ALIGN		16
43 #define	AGE_SMB_ALIGN		16
44 
45 #define	AGE_TSO_MAXSEGSIZE	4096
46 #define	AGE_TSO_MAXSIZE		(65535 + sizeof(struct ether_vlan_header))
47 #define	AGE_MAXTXSEGS		35
48 #define	AGE_RX_BUF_ALIGN	8
49 #ifndef __NO_STRICT_ALIGNMENT
50 #define	AGE_RX_BUF_SIZE		(MCLBYTES - AGE_RX_BUF_ALIGN)
51 #else
52 #define	AGE_RX_BUF_SIZE		(MCLBYTES)
53 #endif
54 
55 #define	AGE_ADDR_LO(x)		((uint64_t) (x) & 0xFFFFFFFF)
56 #define	AGE_ADDR_HI(x)		((uint64_t) (x) >> 32)
57 
58 #define	AGE_MSI_MESSAGES	1
59 #define	AGE_MSIX_MESSAGES	1
60 
61 /* TODO : Should get real jumbo MTU size. */
62 #define AGE_JUMBO_FRAMELEN	10240
63 #define AGE_JUMBO_MTU					\
64 	(AGE_JUMBO_FRAMELEN - ETHER_VLAN_ENCAP_LEN - 	\
65 	 ETHER_HDR_LEN - ETHER_CRC_LEN)
66 
67 #define	AGE_DESC_INC(x, y)	((x) = ((x) + 1) % (y))
68 
69 #define	AGE_PROC_MIN		30
70 #define	AGE_PROC_MAX		(AGE_RX_RING_CNT - 1)
71 #define	AGE_PROC_DEFAULT	(AGE_RX_RING_CNT / 2)
72 
73 struct age_txdesc {
74 	struct mbuf		*tx_m;
75 	bus_dmamap_t		tx_dmamap;
76 	struct tx_desc		*tx_desc;
77 };
78 
79 struct age_rxdesc {
80 	struct mbuf 		*rx_m;
81 	bus_dmamap_t		rx_dmamap;
82 	struct rx_desc		*rx_desc;
83 };
84 
85 struct age_chain_data{
86 	bus_dma_tag_t		age_parent_tag;
87 	bus_dma_tag_t		age_buffer_tag;
88 	bus_dma_tag_t		age_tx_tag;
89 	struct age_txdesc	age_txdesc[AGE_TX_RING_CNT];
90 	bus_dma_tag_t		age_rx_tag;
91 	struct age_rxdesc	age_rxdesc[AGE_RX_RING_CNT];
92 	bus_dma_tag_t		age_tx_ring_tag;
93 	bus_dmamap_t		age_tx_ring_map;
94 	bus_dma_tag_t		age_rx_ring_tag;
95 	bus_dmamap_t		age_rx_ring_map;
96 	bus_dmamap_t		age_rx_sparemap;
97 	bus_dma_tag_t		age_rr_ring_tag;
98 	bus_dmamap_t		age_rr_ring_map;
99 	bus_dma_tag_t		age_cmb_block_tag;
100 	bus_dmamap_t		age_cmb_block_map;
101 	bus_dma_tag_t		age_smb_block_tag;
102 	bus_dmamap_t		age_smb_block_map;
103 
104 	int			age_tx_prod;
105 	int			age_tx_cons;
106 	int			age_tx_cnt;
107 	int			age_rx_cons;
108 	int			age_rr_cons;
109 	int			age_rxlen;
110 
111 	struct mbuf		*age_rxhead;
112 	struct mbuf		*age_rxtail;
113 	struct mbuf		*age_rxprev_tail;
114 };
115 
116 struct age_ring_data {
117 	struct tx_desc		*age_tx_ring;
118 	bus_addr_t		age_tx_ring_paddr;
119 	struct rx_desc		*age_rx_ring;
120 	bus_addr_t		age_rx_ring_paddr;
121 	struct rx_rdesc		*age_rr_ring;
122 	bus_addr_t		age_rr_ring_paddr;
123 	struct cmb		*age_cmb_block;
124 	bus_addr_t		age_cmb_block_paddr;
125 	struct smb		*age_smb_block;
126 	bus_addr_t		age_smb_block_paddr;
127 };
128 
129 #define AGE_TX_RING_SZ		\
130     (sizeof(struct tx_desc) * AGE_TX_RING_CNT)
131 #define AGE_RX_RING_SZ		\
132     (sizeof(struct rx_desc) * AGE_RX_RING_CNT)
133 #define	AGE_RR_RING_SZ		\
134     (sizeof(struct rx_rdesc) * AGE_RR_RING_CNT)
135 #define	AGE_CMB_BLOCK_SZ	sizeof(struct cmb)
136 #define	AGE_SMB_BLOCK_SZ	sizeof(struct smb)
137 
138 struct age_stats {
139 	/* Rx stats. */
140 	uint64_t rx_frames;
141 	uint64_t rx_bcast_frames;
142 	uint64_t rx_mcast_frames;
143 	uint32_t rx_pause_frames;
144 	uint32_t rx_control_frames;
145 	uint32_t rx_crcerrs;
146 	uint32_t rx_lenerrs;
147 	uint64_t rx_bytes;
148 	uint32_t rx_runts;
149 	uint64_t rx_fragments;
150 	uint64_t rx_pkts_64;
151 	uint64_t rx_pkts_65_127;
152 	uint64_t rx_pkts_128_255;
153 	uint64_t rx_pkts_256_511;
154 	uint64_t rx_pkts_512_1023;
155 	uint64_t rx_pkts_1024_1518;
156 	uint64_t rx_pkts_1519_max;
157 	uint64_t rx_pkts_truncated;
158 	uint32_t rx_fifo_oflows;
159 	uint32_t rx_desc_oflows;
160 	uint32_t rx_alignerrs;
161 	uint64_t rx_bcast_bytes;
162 	uint64_t rx_mcast_bytes;
163 	uint64_t rx_pkts_filtered;
164 	/* Tx stats. */
165 	uint64_t tx_frames;
166 	uint64_t tx_bcast_frames;
167 	uint64_t tx_mcast_frames;
168 	uint32_t tx_pause_frames;
169 	uint32_t tx_excess_defer;
170 	uint32_t tx_control_frames;
171 	uint32_t tx_deferred;
172 	uint64_t tx_bytes;
173 	uint64_t tx_pkts_64;
174 	uint64_t tx_pkts_65_127;
175 	uint64_t tx_pkts_128_255;
176 	uint64_t tx_pkts_256_511;
177 	uint64_t tx_pkts_512_1023;
178 	uint64_t tx_pkts_1024_1518;
179 	uint64_t tx_pkts_1519_max;
180 	uint32_t tx_single_colls;
181 	uint32_t tx_multi_colls;
182 	uint32_t tx_late_colls;
183 	uint32_t tx_excess_colls;
184 	uint32_t tx_underrun;
185 	uint32_t tx_desc_underrun;
186 	uint32_t tx_lenerrs;
187 	uint32_t tx_pkts_truncated;
188 	uint64_t tx_bcast_bytes;
189 	uint64_t tx_mcast_bytes;
190 };
191 
192 /*
193  * Software state per device.
194  */
195 struct age_softc {
196 	struct ifnet 		*age_ifp;
197 	device_t		age_dev;
198 	device_t		age_miibus;
199 	struct resource		*age_res[1];
200 	struct resource_spec	*age_res_spec;
201 	struct resource		*age_irq[AGE_MSI_MESSAGES];
202 	struct resource_spec	*age_irq_spec;
203 	void			*age_intrhand[AGE_MSI_MESSAGES];
204 	int			age_rev;
205 	int			age_chip_rev;
206 	int			age_phyaddr;
207 	uint8_t			age_eaddr[ETHER_ADDR_LEN];
208 	uint32_t		age_dma_rd_burst;
209 	uint32_t		age_dma_wr_burst;
210 	int			age_flags;
211 #define	AGE_FLAG_PCIE		0x0001
212 #define	AGE_FLAG_PCIX		0x0002
213 #define	AGE_FLAG_MSI		0x0004
214 #define	AGE_FLAG_MSIX		0x0008
215 #define	AGE_FLAG_PMCAP		0x0010
216 #define	AGE_FLAG_DETACH		0x4000
217 #define	AGE_FLAG_LINK		0x8000
218 
219 	struct callout		age_tick_ch;
220 	struct age_stats	age_stat;
221 	struct age_chain_data	age_cdata;
222 	struct age_ring_data	age_rdata;
223 	int			age_if_flags;
224 	int			age_watchdog_timer;
225 	int			age_process_limit;
226 	int			age_int_mod;
227 	int			age_max_frame_size;
228 	int			age_morework;
229 	int			age_rr_prod;
230 	int			age_tpd_cons;
231 
232 	struct task		age_int_task;
233 	struct task		age_link_task;
234 	struct taskqueue	*age_tq;
235 	struct mtx		age_mtx;
236 };
237 
238 /* Register access macros. */
239 #define CSR_WRITE_4(_sc, reg, val)	\
240 	bus_write_4((_sc)->age_res[0], (reg), (val))
241 #define CSR_WRITE_2(_sc, reg, val)	\
242 	bus_write_2((_sc)->age_res[0], (reg), (val))
243 #define CSR_READ_2(_sc, reg)		\
244 	bus_read_2((_sc)->age_res[0], (reg))
245 #define CSR_READ_4(_sc, reg)		\
246 	bus_read_4((_sc)->age_res[0], (reg))
247 
248 #define AGE_LOCK(_sc)		mtx_lock(&(_sc)->age_mtx)
249 #define AGE_UNLOCK(_sc)		mtx_unlock(&(_sc)->age_mtx)
250 #define AGE_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->age_mtx, MA_OWNED)
251 
252 
253 #define	AGE_COMMIT_MBOX(_sc)						\
254 do {									\
255 	CSR_WRITE_4(_sc, AGE_MBOX,					\
256 	    (((_sc)->age_cdata.age_rx_cons << MBOX_RD_PROD_IDX_SHIFT) &	\
257 	    MBOX_RD_PROD_IDX_MASK) |					\
258 	    (((_sc)->age_cdata.age_rr_cons <<				\
259 	    MBOX_RRD_CONS_IDX_SHIFT) & MBOX_RRD_CONS_IDX_MASK) |	\
260 	    (((_sc)->age_cdata.age_tx_prod << MBOX_TD_PROD_IDX_SHIFT) &	\
261 	    MBOX_TD_PROD_IDX_MASK));					\
262 } while (0)
263 
264 #define	AGE_RXCHAIN_RESET(_sc)						\
265 do {									\
266 	(_sc)->age_cdata.age_rxhead = NULL;				\
267 	(_sc)->age_cdata.age_rxtail = NULL;				\
268 	(_sc)->age_cdata.age_rxprev_tail = NULL;			\
269 	(_sc)->age_cdata.age_rxlen = 0;					\
270 } while (0)
271 
272 #define	AGE_TX_TIMEOUT		5
273 #define AGE_RESET_TIMEOUT	100
274 #define AGE_TIMEOUT		1000
275 #define AGE_PHY_TIMEOUT		1000
276 
277 #endif	/* _IF_AGEVAR_H */
278