xref: /titanic_41/usr/src/uts/common/io/hxge/hpi_vmac.c (revision 0bb073995ac5a95bd35f2dd790df1ea3d8c2d507)
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 <hxge_impl.h>
29 #include <hpi_vmac.h>
30 
31 #define	HXGE_VMAC_RX_STAT_CLEAR		0x1ffULL
32 #define	HXGE_VMAC_TX_STAT_CLEAR		0x7ULL
33 #define	HXGE_VMAC_RX_MASK_OVERFLOW	0x1fe
34 #define	HXGE_VMAC_RX_MASK_FRAME		0x1
35 
36 hpi_status_t
37 hpi_tx_vmac_reset(hpi_handle_t handle)
38 {
39 	vmac_rst_t	reset;
40 
41 	HXGE_REG_RD64(handle, VMAC_RST, &(reset.value));
42 
43 	reset.bits.tx_reset = 1;
44 
45 	HXGE_REG_WR64(handle, VMAC_RST, reset.value);
46 
47 	return (HPI_SUCCESS);
48 }
49 
50 hpi_status_t
51 hpi_rx_vmac_reset(hpi_handle_t handle)
52 {
53 	vmac_rst_t	reset;
54 
55 	HXGE_REG_RD64(handle, VMAC_RST, &(reset.value));
56 
57 	reset.bits.rx_reset = 1;
58 
59 	HXGE_REG_WR64(handle, VMAC_RST, reset.value);
60 
61 	return (HPI_SUCCESS);
62 }
63 
64 
65 hpi_status_t
66 hpi_vmac_tx_config(hpi_handle_t handle, config_op_t op, uint64_t config,
67     uint16_t max_frame_length)
68 {
69 	vmac_tx_cfg_t	cfg;
70 
71 	if (config == 0) {
72 		HPI_ERROR_MSG((handle.function, HPI_ERR_CTL,
73 		    " hpi_vmac_tx_config Invalid Input: config <0x%x>",
74 		    config));
75 		return (HPI_FAILURE);
76 	}
77 
78 	HXGE_REG_RD64(handle, VMAC_TX_CFG, &cfg.value);
79 
80 	switch (op) {
81 	case ENABLE:
82 		if (config & CFG_VMAC_TX_EN)
83 			cfg.bits.tx_en = 1;
84 		if (config & CFG_VMAC_TX_CRC_INSERT)
85 			cfg.bits.crc_insert = 1;
86 		if (config & CFG_VMAC_TX_PAD)
87 			cfg.bits.tx_pad = 1;
88 		if (max_frame_length)
89 			cfg.bits.tx_max_frame_length = max_frame_length;
90 		break;
91 	case DISABLE:
92 		if (config & CFG_VMAC_TX_EN)
93 			cfg.bits.tx_en = 0;
94 		if (config & CFG_VMAC_TX_CRC_INSERT)
95 			cfg.bits.crc_insert = 0;
96 		if (config & CFG_VMAC_TX_PAD)
97 			cfg.bits.tx_pad = 0;
98 		break;
99 	case INIT:
100 		if (config & CFG_VMAC_TX_EN)
101 			cfg.bits.tx_en = 1;
102 		else
103 			cfg.bits.tx_en = 0;
104 
105 		if (config & CFG_VMAC_TX_CRC_INSERT)
106 			cfg.bits.crc_insert = 1;
107 		else
108 			cfg.bits.crc_insert = 0;
109 
110 		if (config & CFG_VMAC_TX_PAD)
111 			cfg.bits.tx_pad = 1;
112 		else
113 			cfg.bits.tx_pad = 0;
114 
115 		if (max_frame_length)
116 			cfg.bits.tx_max_frame_length = max_frame_length;
117 
118 		break;
119 	default:
120 		HPI_ERROR_MSG((handle.function, HPI_ERR_CTL,
121 		    " hpi_vmac_tx_config Invalid Input: op <0x%x>", op));
122 		return (HPI_FAILURE);
123 	}
124 
125 	HXGE_REG_WR64(handle, VMAC_TX_CFG, cfg.value);
126 
127 	return (HPI_SUCCESS);
128 }
129 
130 hpi_status_t
131 hpi_vmac_rx_config(hpi_handle_t handle, config_op_t op, uint64_t config,
132     uint16_t max_frame_length)
133 {
134 	vmac_rx_cfg_t cfg;
135 
136 	if (config == 0) {
137 		HPI_ERROR_MSG((handle.function, HPI_ERR_CTL,
138 		    " hpi_vmac_rx_config Invalid Input: config <0x%x>",
139 		    config));
140 		return (HPI_FAILURE);
141 	}
142 
143 	HXGE_REG_RD64(handle, VMAC_RX_CFG, &cfg.value);
144 
145 	switch (op) {
146 	case ENABLE:
147 		if (config & CFG_VMAC_RX_EN)
148 			cfg.bits.rx_en = 1;
149 		if (config & CFG_VMAC_RX_CRC_CHECK_DISABLE)
150 			cfg.bits.crc_check_disable = 1;
151 		if (config & CFG_VMAC_RX_STRIP_CRC)
152 			cfg.bits.strip_crc = 1;
153 		if (config & CFG_VMAC_RX_PASS_FLOW_CTRL_FR)
154 			cfg.bits.pass_flow_ctrl_fr = 1;
155 		if (config & CFG_VMAC_RX_PROMIXCUOUS_GROUP)
156 			cfg.bits.promiscuous_group = 1;
157 		if (config & CFG_VMAC_RX_PROMISCUOUS_MODE)
158 			cfg.bits.promiscuous_mode = 1;
159 		if (config & CFG_VMAC_RX_LOOP_BACK)
160 			cfg.bits.loopback = 1;
161 		break;
162 	case DISABLE:
163 		if (config & CFG_VMAC_RX_EN)
164 			cfg.bits.rx_en = 0;
165 		if (config & CFG_VMAC_RX_CRC_CHECK_DISABLE)
166 			cfg.bits.crc_check_disable = 0;
167 		if (config & CFG_VMAC_RX_STRIP_CRC)
168 			cfg.bits.strip_crc = 0;
169 		if (config & CFG_VMAC_RX_PASS_FLOW_CTRL_FR)
170 			cfg.bits.pass_flow_ctrl_fr = 0;
171 		if (config & CFG_VMAC_RX_PROMIXCUOUS_GROUP)
172 			cfg.bits.promiscuous_group = 0;
173 		if (config & CFG_VMAC_RX_PROMISCUOUS_MODE)
174 			cfg.bits.promiscuous_mode = 0;
175 		if (config & CFG_VMAC_RX_LOOP_BACK)
176 			cfg.bits.loopback = 0;
177 		break;
178 	case INIT:
179 		if (config & CFG_VMAC_RX_EN)
180 			cfg.bits.rx_en = 1;
181 		else
182 			cfg.bits.rx_en = 0;
183 		if (config & CFG_VMAC_RX_CRC_CHECK_DISABLE)
184 			cfg.bits.crc_check_disable = 1;
185 		else
186 			cfg.bits.crc_check_disable = 0;
187 		if (config & CFG_VMAC_RX_STRIP_CRC)
188 			cfg.bits.strip_crc = 1;
189 		else
190 			cfg.bits.strip_crc = 0;
191 		if (config & CFG_VMAC_RX_PASS_FLOW_CTRL_FR)
192 			cfg.bits.pass_flow_ctrl_fr = 1;
193 		else
194 			cfg.bits.pass_flow_ctrl_fr = 0;
195 		if (config & CFG_VMAC_RX_PROMIXCUOUS_GROUP)
196 			cfg.bits.promiscuous_group = 1;
197 		else
198 			cfg.bits.promiscuous_group = 0;
199 		if (config & CFG_VMAC_RX_PROMISCUOUS_MODE)
200 			cfg.bits.promiscuous_mode = 1;
201 		else
202 			cfg.bits.promiscuous_mode = 0;
203 		if (config & CFG_VMAC_RX_LOOP_BACK)
204 			cfg.bits.loopback = 1;
205 		else
206 			cfg.bits.loopback = 0;
207 
208 		break;
209 	default:
210 		HPI_ERROR_MSG((handle.function, HPI_ERR_CTL,
211 		    " hpi_vmac_rx_config Invalid Input: op <0x%x>", op));
212 		return (HPI_FAILURE);
213 	}
214 
215 	if (max_frame_length)
216 		cfg.bits.rx_max_frame_length = max_frame_length;
217 
218 	HXGE_REG_WR64(handle, VMAC_RX_CFG, cfg.value);
219 
220 	return (HPI_SUCCESS);
221 }
222 
223 hpi_status_t
224 hpi_vmac_clear_rx_int_stat(hpi_handle_t handle)
225 {
226 	uint64_t offset;
227 
228 	offset = VMAC_RX_STAT;
229 	REG_PIO_WRITE64(handle, offset, HXGE_VMAC_RX_STAT_CLEAR);
230 
231 	return (HPI_SUCCESS);
232 }
233 
234 hpi_status_t
235 hpi_vmac_clear_tx_int_stat(hpi_handle_t handle)
236 {
237 	uint64_t offset;
238 
239 	offset = VMAC_TX_STAT;
240 	REG_PIO_WRITE64(handle, offset, HXGE_VMAC_TX_STAT_CLEAR);
241 
242 	return (HPI_SUCCESS);
243 }
244 
245 hpi_status_t
246 hpi_pfc_set_rx_int_stat_mask(hpi_handle_t handle, boolean_t overflow_cnt,
247     boolean_t frame_cnt)
248 {
249 	uint64_t	offset;
250 	uint64_t	value = 0;
251 
252 	if (overflow_cnt)
253 		value |= HXGE_VMAC_RX_MASK_OVERFLOW;
254 
255 	if (frame_cnt)
256 		value |= HXGE_VMAC_RX_MASK_FRAME;
257 
258 	offset = VMAC_RX_MSK;
259 	REG_PIO_WRITE64(handle, offset, value);
260 
261 	return (HPI_SUCCESS);
262 }
263 
264 hpi_status_t
265 hpi_pfc_set_tx_int_stat_mask(hpi_handle_t handle, boolean_t overflow_cnt,
266     boolean_t frame_cnt)
267 {
268 	uint64_t	offset;
269 	uint64_t	value = 0;
270 	uint64_t	overflow_mask = 0x6;
271 	uint64_t	frame_mask = 0x1;
272 
273 	if (overflow_cnt)
274 		value |= overflow_mask;
275 
276 	if (frame_cnt)
277 		value |= frame_mask;
278 
279 	offset = VMAC_TX_MSK;
280 	REG_PIO_WRITE64(handle, offset, value);
281 
282 	return (HPI_SUCCESS);
283 }
284