xref: /titanic_44/usr/src/uts/common/io/hxge/hpi_vmac.c (revision a776e90690d98f629ab57f6493ff5949af9d65bd)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 #include <hpi_vmac.h>
29 
30 #define	HXGE_VMAC_RX_STAT_CLEAR		0x1ffULL
31 #define	HXGE_VMAC_TX_STAT_CLEAR		0x7ULL
32 #define	HXGE_VMAC_RX_MASK_OVERFLOW	0x1fe
33 #define	HXGE_VMAC_RX_MASK_FRAME		0x1
34 
35 hpi_status_t
36 hpi_tx_vmac_reset(hpi_handle_t handle)
37 {
38 	vmac_rst_t	reset;
39 
40 	HXGE_REG_RD64(handle, VMAC_RST, &(reset.value));
41 
42 	reset.bits.tx_reset = 1;
43 
44 	HXGE_REG_WR64(handle, VMAC_RST, reset.value);
45 
46 	return (HPI_SUCCESS);
47 }
48 
49 hpi_status_t
50 hpi_rx_vmac_reset(hpi_handle_t handle)
51 {
52 	vmac_rst_t	reset;
53 
54 	HXGE_REG_RD64(handle, VMAC_RST, &(reset.value));
55 
56 	reset.bits.rx_reset = 1;
57 
58 	HXGE_REG_WR64(handle, VMAC_RST, reset.value);
59 
60 	return (HPI_SUCCESS);
61 }
62 
63 
64 hpi_status_t
65 hpi_vmac_tx_config(hpi_handle_t handle, config_op_t op, uint64_t config,
66     uint16_t max_frame_length)
67 {
68 	vmac_tx_cfg_t	cfg;
69 
70 	if (config == 0) {
71 		HPI_ERROR_MSG((handle.function, HPI_ERR_CTL,
72 		    " hpi_vmac_tx_config Invalid Input: config <0x%x>",
73 		    config));
74 		return (HPI_FAILURE);
75 	}
76 
77 	HXGE_REG_RD64(handle, VMAC_TX_CFG, &cfg.value);
78 
79 	switch (op) {
80 	case ENABLE:
81 		if (config & CFG_VMAC_TX_EN)
82 			cfg.bits.tx_en = 1;
83 		if (config & CFG_VMAC_TX_CRC_INSERT)
84 			cfg.bits.crc_insert = 1;
85 		if (config & CFG_VMAC_TX_PAD)
86 			cfg.bits.tx_pad = 1;
87 		if (max_frame_length)
88 			cfg.bits.tx_max_frame_length = max_frame_length;
89 		break;
90 	case DISABLE:
91 		if (config & CFG_VMAC_TX_EN)
92 			cfg.bits.tx_en = 0;
93 		if (config & CFG_VMAC_TX_CRC_INSERT)
94 			cfg.bits.crc_insert = 0;
95 		if (config & CFG_VMAC_TX_PAD)
96 			cfg.bits.tx_pad = 0;
97 		break;
98 	case INIT:
99 		if (config & CFG_VMAC_TX_EN)
100 			cfg.bits.tx_en = 1;
101 		else
102 			cfg.bits.tx_en = 0;
103 
104 		if (config & CFG_VMAC_TX_CRC_INSERT)
105 			cfg.bits.crc_insert = 1;
106 		else
107 			cfg.bits.crc_insert = 0;
108 
109 		if (config & CFG_VMAC_TX_PAD)
110 			cfg.bits.tx_pad = 1;
111 		else
112 			cfg.bits.tx_pad = 0;
113 
114 		if (max_frame_length)
115 			cfg.bits.tx_max_frame_length = max_frame_length;
116 
117 		break;
118 	default:
119 		HPI_ERROR_MSG((handle.function, HPI_ERR_CTL,
120 		    " hpi_vmac_tx_config Invalid Input: op <0x%x>", op));
121 		return (HPI_FAILURE);
122 	}
123 
124 	HXGE_REG_WR64(handle, VMAC_TX_CFG, cfg.value);
125 
126 	return (HPI_SUCCESS);
127 }
128 
129 hpi_status_t
130 hpi_vmac_rx_config(hpi_handle_t handle, config_op_t op, uint64_t config,
131     uint16_t max_frame_length)
132 {
133 	vmac_rx_cfg_t cfg;
134 
135 	if (config == 0) {
136 		HPI_ERROR_MSG((handle.function, HPI_ERR_CTL,
137 		    " hpi_vmac_rx_config Invalid Input: config <0x%x>",
138 		    config));
139 		return (HPI_FAILURE);
140 	}
141 
142 	HXGE_REG_RD64(handle, VMAC_RX_CFG, &cfg.value);
143 
144 	switch (op) {
145 	case ENABLE:
146 		if (config & CFG_VMAC_RX_EN)
147 			cfg.bits.rx_en = 1;
148 		if (config & CFG_VMAC_RX_CRC_CHECK_DISABLE)
149 			cfg.bits.crc_check_disable = 1;
150 		if (config & CFG_VMAC_RX_STRIP_CRC)
151 			cfg.bits.strip_crc = 1;
152 		if (config & CFG_VMAC_RX_PASS_FLOW_CTRL_FR)
153 			cfg.bits.pass_flow_ctrl_fr = 1;
154 		if (config & CFG_VMAC_RX_PROMIXCUOUS_GROUP)
155 			cfg.bits.promiscuous_group = 1;
156 		if (config & CFG_VMAC_RX_PROMISCUOUS_MODE)
157 			cfg.bits.promiscuous_mode = 1;
158 		if (config & CFG_VMAC_RX_LOOP_BACK)
159 			cfg.bits.loopback = 1;
160 		break;
161 	case DISABLE:
162 		if (config & CFG_VMAC_RX_EN)
163 			cfg.bits.rx_en = 0;
164 		if (config & CFG_VMAC_RX_CRC_CHECK_DISABLE)
165 			cfg.bits.crc_check_disable = 0;
166 		if (config & CFG_VMAC_RX_STRIP_CRC)
167 			cfg.bits.strip_crc = 0;
168 		if (config & CFG_VMAC_RX_PASS_FLOW_CTRL_FR)
169 			cfg.bits.pass_flow_ctrl_fr = 0;
170 		if (config & CFG_VMAC_RX_PROMIXCUOUS_GROUP)
171 			cfg.bits.promiscuous_group = 0;
172 		if (config & CFG_VMAC_RX_PROMISCUOUS_MODE)
173 			cfg.bits.promiscuous_mode = 0;
174 		if (config & CFG_VMAC_RX_LOOP_BACK)
175 			cfg.bits.loopback = 0;
176 		break;
177 	case INIT:
178 		if (config & CFG_VMAC_RX_EN)
179 			cfg.bits.rx_en = 1;
180 		else
181 			cfg.bits.rx_en = 0;
182 		if (config & CFG_VMAC_RX_CRC_CHECK_DISABLE)
183 			cfg.bits.crc_check_disable = 1;
184 		else
185 			cfg.bits.crc_check_disable = 0;
186 		if (config & CFG_VMAC_RX_STRIP_CRC)
187 			cfg.bits.strip_crc = 1;
188 		else
189 			cfg.bits.strip_crc = 0;
190 		if (config & CFG_VMAC_RX_PASS_FLOW_CTRL_FR)
191 			cfg.bits.pass_flow_ctrl_fr = 1;
192 		else
193 			cfg.bits.pass_flow_ctrl_fr = 0;
194 		if (config & CFG_VMAC_RX_PROMIXCUOUS_GROUP)
195 			cfg.bits.promiscuous_group = 1;
196 		else
197 			cfg.bits.promiscuous_group = 0;
198 		if (config & CFG_VMAC_RX_PROMISCUOUS_MODE)
199 			cfg.bits.promiscuous_mode = 1;
200 		else
201 			cfg.bits.promiscuous_mode = 0;
202 		if (config & CFG_VMAC_RX_LOOP_BACK)
203 			cfg.bits.loopback = 1;
204 		else
205 			cfg.bits.loopback = 0;
206 
207 		break;
208 	default:
209 		HPI_ERROR_MSG((handle.function, HPI_ERR_CTL,
210 		    " hpi_vmac_rx_config Invalid Input: op <0x%x>", op));
211 		return (HPI_FAILURE);
212 	}
213 
214 	if (max_frame_length)
215 		cfg.bits.rx_max_frame_length = max_frame_length;
216 
217 	HXGE_REG_WR64(handle, VMAC_RX_CFG, cfg.value);
218 
219 	return (HPI_SUCCESS);
220 }
221 
222 hpi_status_t
223 hpi_vmac_clear_rx_int_stat(hpi_handle_t handle)
224 {
225 	uint64_t offset;
226 
227 	offset = VMAC_RX_STAT;
228 	REG_PIO_WRITE64(handle, offset, HXGE_VMAC_RX_STAT_CLEAR);
229 
230 	return (HPI_SUCCESS);
231 }
232 
233 hpi_status_t
234 hpi_vmac_clear_tx_int_stat(hpi_handle_t handle)
235 {
236 	uint64_t offset;
237 
238 	offset = VMAC_TX_STAT;
239 	REG_PIO_WRITE64(handle, offset, HXGE_VMAC_TX_STAT_CLEAR);
240 
241 	return (HPI_SUCCESS);
242 }
243 
244 hpi_status_t
245 hpi_pfc_set_rx_int_stat_mask(hpi_handle_t handle, boolean_t overflow_cnt,
246     boolean_t frame_cnt)
247 {
248 	uint64_t	offset;
249 	uint64_t	value = 0;
250 
251 	if (overflow_cnt)
252 		value |= HXGE_VMAC_RX_MASK_OVERFLOW;
253 
254 	if (frame_cnt)
255 		value |= HXGE_VMAC_RX_MASK_FRAME;
256 
257 	offset = VMAC_RX_MSK;
258 	REG_PIO_WRITE64(handle, offset, value);
259 
260 	return (HPI_SUCCESS);
261 }
262 
263 hpi_status_t
264 hpi_pfc_set_tx_int_stat_mask(hpi_handle_t handle, boolean_t overflow_cnt,
265     boolean_t frame_cnt)
266 {
267 	uint64_t	offset;
268 	uint64_t	value = 0;
269 	uint64_t	overflow_mask = 0x6;
270 	uint64_t	frame_mask = 0x1;
271 
272 	if (overflow_cnt)
273 		value |= overflow_mask;
274 
275 	if (frame_cnt)
276 		value |= frame_mask;
277 
278 	offset = VMAC_TX_MSK;
279 	REG_PIO_WRITE64(handle, offset, value);
280 
281 	return (HPI_SUCCESS);
282 }
283