1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * QLogic qlcnic NIC Driver
4 * Copyright (c) 2009-2013 QLogic Corporation
5 */
6
7 #include "qlcnic.h"
8 #include "qlcnic_hw.h"
9
qlcnic_83xx_enable_vnic_mode(struct qlcnic_adapter * adapter,int lock)10 static int qlcnic_83xx_enable_vnic_mode(struct qlcnic_adapter *adapter, int lock)
11 {
12 if (lock) {
13 if (qlcnic_83xx_lock_driver(adapter))
14 return -EBUSY;
15 }
16 QLCWRX(adapter->ahw, QLC_83XX_VNIC_STATE, QLCNIC_DEV_NPAR_OPER);
17 if (lock)
18 qlcnic_83xx_unlock_driver(adapter);
19
20 return 0;
21 }
22
qlcnic_83xx_disable_vnic_mode(struct qlcnic_adapter * adapter,int lock)23 int qlcnic_83xx_disable_vnic_mode(struct qlcnic_adapter *adapter, int lock)
24 {
25 struct qlcnic_hardware_context *ahw = adapter->ahw;
26
27 if (lock) {
28 if (qlcnic_83xx_lock_driver(adapter))
29 return -EBUSY;
30 }
31
32 QLCWRX(adapter->ahw, QLC_83XX_VNIC_STATE, QLCNIC_DEV_NPAR_NON_OPER);
33 ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER;
34
35 if (lock)
36 qlcnic_83xx_unlock_driver(adapter);
37
38 return 0;
39 }
40
qlcnic_83xx_set_vnic_opmode(struct qlcnic_adapter * adapter)41 int qlcnic_83xx_set_vnic_opmode(struct qlcnic_adapter *adapter)
42 {
43 u8 id;
44 int ret = -EBUSY;
45 u32 data = QLCNIC_MGMT_FUNC;
46 struct qlcnic_hardware_context *ahw = adapter->ahw;
47
48 if (qlcnic_83xx_lock_driver(adapter))
49 return ret;
50
51 id = ahw->pci_func;
52 data = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);
53 data = (data & ~QLC_83XX_SET_FUNC_OPMODE(0x3, id)) |
54 QLC_83XX_SET_FUNC_OPMODE(QLCNIC_MGMT_FUNC, id);
55
56 QLCWRX(adapter->ahw, QLC_83XX_DRV_OP_MODE, data);
57
58 qlcnic_83xx_unlock_driver(adapter);
59
60 return 0;
61 }
62
63 static void
qlcnic_83xx_config_vnic_buff_descriptors(struct qlcnic_adapter * adapter)64 qlcnic_83xx_config_vnic_buff_descriptors(struct qlcnic_adapter *adapter)
65 {
66 struct qlcnic_hardware_context *ahw = adapter->ahw;
67
68 if (ahw->port_type == QLCNIC_XGBE) {
69 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_VF;
70 adapter->max_rxd = MAX_RCV_DESCRIPTORS_VF;
71 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
72 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
73
74 } else if (ahw->port_type == QLCNIC_GBE) {
75 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
76 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
77 adapter->max_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
78 adapter->max_rxd = MAX_RCV_DESCRIPTORS_1G;
79 }
80 adapter->num_txd = MAX_CMD_DESCRIPTORS;
81 adapter->max_rds_rings = MAX_RDS_RINGS;
82 }
83
84
85 /**
86 * qlcnic_83xx_init_mgmt_vnic
87 *
88 * @adapter: adapter structure
89 * Management virtual NIC sets the operational mode of other vNIC's and
90 * configures embedded switch (ESWITCH).
91 * Returns: Success(0) or error code.
92 *
93 **/
qlcnic_83xx_init_mgmt_vnic(struct qlcnic_adapter * adapter)94 static int qlcnic_83xx_init_mgmt_vnic(struct qlcnic_adapter *adapter)
95 {
96 struct qlcnic_hardware_context *ahw = adapter->ahw;
97 struct device *dev = &adapter->pdev->dev;
98 struct qlcnic_npar_info *npar;
99 int i, err = -EIO;
100
101 qlcnic_83xx_get_minidump_template(adapter);
102
103 if (!(adapter->flags & QLCNIC_ADAPTER_INITIALIZED)) {
104 if (qlcnic_init_pci_info(adapter))
105 return err;
106
107 npar = adapter->npars;
108
109 for (i = 0; i < ahw->total_nic_func; i++, npar++) {
110 dev_info(dev, "id:%d active:%d type:%d port:%d min_bw:%d max_bw:%d mac_addr:%pM\n",
111 npar->pci_func, npar->active, npar->type,
112 npar->phy_port, npar->min_bw, npar->max_bw,
113 npar->mac);
114 }
115
116 dev_info(dev, "Max functions = %d, active functions = %d\n",
117 ahw->max_pci_func, ahw->total_nic_func);
118
119 if (qlcnic_83xx_set_vnic_opmode(adapter))
120 return err;
121
122 if (qlcnic_set_default_offload_settings(adapter))
123 return err;
124 } else {
125 if (qlcnic_reset_npar_config(adapter))
126 return err;
127 }
128
129 if (qlcnic_83xx_get_port_info(adapter))
130 return err;
131
132 qlcnic_83xx_config_vnic_buff_descriptors(adapter);
133 ahw->msix_supported = qlcnic_use_msi_x ? 1 : 0;
134 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
135 qlcnic_83xx_enable_vnic_mode(adapter, 1);
136
137 dev_info(dev, "HAL Version: %d, Management function\n",
138 ahw->fw_hal_version);
139
140 return 0;
141 }
142
qlcnic_83xx_init_privileged_vnic(struct qlcnic_adapter * adapter)143 static int qlcnic_83xx_init_privileged_vnic(struct qlcnic_adapter *adapter)
144 {
145 int err = -EIO;
146
147 qlcnic_83xx_get_minidump_template(adapter);
148 if (qlcnic_83xx_get_port_info(adapter))
149 return err;
150
151 qlcnic_83xx_config_vnic_buff_descriptors(adapter);
152 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
153 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
154
155 dev_info(&adapter->pdev->dev,
156 "HAL Version: %d, Privileged function\n",
157 adapter->ahw->fw_hal_version);
158 return 0;
159 }
160
qlcnic_83xx_init_non_privileged_vnic(struct qlcnic_adapter * adapter)161 static int qlcnic_83xx_init_non_privileged_vnic(struct qlcnic_adapter *adapter)
162 {
163 int err = -EIO;
164
165 qlcnic_83xx_get_fw_version(adapter);
166 if (qlcnic_set_eswitch_port_config(adapter))
167 return err;
168
169 if (qlcnic_83xx_get_port_info(adapter))
170 return err;
171
172 qlcnic_83xx_config_vnic_buff_descriptors(adapter);
173 adapter->ahw->msix_supported = !!qlcnic_use_msi_x;
174 adapter->flags |= QLCNIC_ADAPTER_INITIALIZED;
175
176 dev_info(&adapter->pdev->dev, "HAL Version: %d, Virtual function\n",
177 adapter->ahw->fw_hal_version);
178
179 return 0;
180 }
181
182 /**
183 * qlcnic_83xx_config_vnic_opmode
184 *
185 * @adapter: adapter structure
186 * Identify virtual NIC operational modes.
187 *
188 * Returns: Success(0) or error code.
189 *
190 **/
qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter * adapter)191 int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *adapter)
192 {
193 u32 op_mode, priv_level;
194 struct qlcnic_hardware_context *ahw = adapter->ahw;
195 struct qlcnic_nic_template *nic_ops = adapter->nic_ops;
196
197 qlcnic_get_func_no(adapter);
198 op_mode = QLCRDX(adapter->ahw, QLC_83XX_DRV_OP_MODE);
199
200 if (op_mode == QLC_83XX_DEFAULT_OPMODE)
201 priv_level = QLCNIC_MGMT_FUNC;
202 else
203 priv_level = QLC_83XX_GET_FUNC_PRIVILEGE(op_mode,
204 ahw->pci_func);
205 switch (priv_level) {
206 case QLCNIC_NON_PRIV_FUNC:
207 ahw->op_mode = QLCNIC_NON_PRIV_FUNC;
208 ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
209 nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic;
210 break;
211 case QLCNIC_PRIV_FUNC:
212 ahw->op_mode = QLCNIC_PRIV_FUNC;
213 ahw->idc.state_entry = qlcnic_83xx_idc_vnic_pf_entry;
214 nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic;
215 break;
216 case QLCNIC_MGMT_FUNC:
217 ahw->op_mode = QLCNIC_MGMT_FUNC;
218 ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry;
219 nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic;
220 break;
221 default:
222 dev_err(&adapter->pdev->dev, "Invalid Virtual NIC opmode\n");
223 return -EIO;
224 }
225
226 if (ahw->capabilities & QLC_83XX_ESWITCH_CAPABILITY) {
227 adapter->flags |= QLCNIC_ESWITCH_ENABLED;
228 if (adapter->drv_mac_learn)
229 adapter->rx_mac_learn = true;
230 } else {
231 adapter->flags &= ~QLCNIC_ESWITCH_ENABLED;
232 adapter->rx_mac_learn = false;
233 }
234
235 ahw->idc.vnic_state = QLCNIC_DEV_NPAR_NON_OPER;
236 ahw->idc.vnic_wait_limit = QLCNIC_DEV_NPAR_OPER_TIMEO;
237
238 return 0;
239 }
240
qlcnic_83xx_check_vnic_state(struct qlcnic_adapter * adapter)241 int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *adapter)
242 {
243 struct qlcnic_hardware_context *ahw = adapter->ahw;
244 struct qlc_83xx_idc *idc = &ahw->idc;
245 u32 state;
246
247 state = QLCRDX(ahw, QLC_83XX_VNIC_STATE);
248 while (state != QLCNIC_DEV_NPAR_OPER && idc->vnic_wait_limit) {
249 idc->vnic_wait_limit--;
250 msleep(1000);
251 state = QLCRDX(ahw, QLC_83XX_VNIC_STATE);
252 }
253
254 if (state != QLCNIC_DEV_NPAR_OPER) {
255 dev_err(&adapter->pdev->dev,
256 "vNIC mode not operational, state check timed out.\n");
257 return -EIO;
258 }
259
260 return 0;
261 }
262
qlcnic_83xx_set_port_eswitch_status(struct qlcnic_adapter * adapter,int func,int * port_id)263 int qlcnic_83xx_set_port_eswitch_status(struct qlcnic_adapter *adapter,
264 int func, int *port_id)
265 {
266 struct qlcnic_info nic_info;
267 int err = 0;
268
269 memset(&nic_info, 0, sizeof(struct qlcnic_info));
270
271 err = qlcnic_get_nic_info(adapter, &nic_info, func);
272 if (err)
273 return err;
274
275 if (nic_info.capabilities & QLC_83XX_ESWITCH_CAPABILITY)
276 *port_id = nic_info.phys_port;
277 else
278 err = -EIO;
279
280 if (!err)
281 adapter->eswitch[*port_id].flags |= QLCNIC_SWITCH_ENABLE;
282
283 return err;
284 }
285