1 /*
2 * Copyright 2011 Cisco Systems, Inc. All rights reserved.
3 *
4 * This program is free software; you may redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
9 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
10 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
11 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
12 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
13 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
14 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
15 * SOFTWARE.
16 *
17 */
18
19 #include <linux/pci.h>
20 #include <linux/etherdevice.h>
21
22 #include "vnic_dev.h"
23 #include "vnic_vic.h"
24 #include "enic_res.h"
25 #include "enic.h"
26 #include "enic_dev.h"
27
enic_dev_fw_info(struct enic * enic,struct vnic_devcmd_fw_info ** fw_info)28 int enic_dev_fw_info(struct enic *enic, struct vnic_devcmd_fw_info **fw_info)
29 {
30 int err;
31
32 spin_lock(&enic->devcmd_lock);
33 err = vnic_dev_fw_info(enic->vdev, fw_info);
34 spin_unlock(&enic->devcmd_lock);
35
36 return err;
37 }
38
enic_dev_stats_dump(struct enic * enic,struct vnic_stats ** vstats)39 int enic_dev_stats_dump(struct enic *enic, struct vnic_stats **vstats)
40 {
41 int err;
42
43 spin_lock(&enic->devcmd_lock);
44 err = vnic_dev_stats_dump(enic->vdev, vstats);
45 spin_unlock(&enic->devcmd_lock);
46
47 return err;
48 }
49
enic_dev_add_station_addr(struct enic * enic)50 int enic_dev_add_station_addr(struct enic *enic)
51 {
52 int err;
53
54 if (!is_valid_ether_addr(enic->netdev->dev_addr))
55 return -EADDRNOTAVAIL;
56
57 spin_lock(&enic->devcmd_lock);
58 err = vnic_dev_add_addr(enic->vdev, enic->netdev->dev_addr);
59 spin_unlock(&enic->devcmd_lock);
60
61 return err;
62 }
63
enic_dev_del_station_addr(struct enic * enic)64 int enic_dev_del_station_addr(struct enic *enic)
65 {
66 int err;
67
68 if (!is_valid_ether_addr(enic->netdev->dev_addr))
69 return -EADDRNOTAVAIL;
70
71 spin_lock(&enic->devcmd_lock);
72 err = vnic_dev_del_addr(enic->vdev, enic->netdev->dev_addr);
73 spin_unlock(&enic->devcmd_lock);
74
75 return err;
76 }
77
enic_dev_packet_filter(struct enic * enic,int directed,int multicast,int broadcast,int promisc,int allmulti)78 int enic_dev_packet_filter(struct enic *enic, int directed, int multicast,
79 int broadcast, int promisc, int allmulti)
80 {
81 int err;
82
83 spin_lock(&enic->devcmd_lock);
84 err = vnic_dev_packet_filter(enic->vdev, directed,
85 multicast, broadcast, promisc, allmulti);
86 spin_unlock(&enic->devcmd_lock);
87
88 return err;
89 }
90
enic_dev_add_addr(struct enic * enic,u8 * addr)91 int enic_dev_add_addr(struct enic *enic, u8 *addr)
92 {
93 int err;
94
95 spin_lock(&enic->devcmd_lock);
96 err = vnic_dev_add_addr(enic->vdev, addr);
97 spin_unlock(&enic->devcmd_lock);
98
99 return err;
100 }
101
enic_dev_del_addr(struct enic * enic,u8 * addr)102 int enic_dev_del_addr(struct enic *enic, u8 *addr)
103 {
104 int err;
105
106 spin_lock(&enic->devcmd_lock);
107 err = vnic_dev_del_addr(enic->vdev, addr);
108 spin_unlock(&enic->devcmd_lock);
109
110 return err;
111 }
112
enic_dev_notify_unset(struct enic * enic)113 int enic_dev_notify_unset(struct enic *enic)
114 {
115 int err;
116
117 spin_lock(&enic->devcmd_lock);
118 err = vnic_dev_notify_unset(enic->vdev);
119 spin_unlock(&enic->devcmd_lock);
120
121 return err;
122 }
123
enic_dev_hang_notify(struct enic * enic)124 int enic_dev_hang_notify(struct enic *enic)
125 {
126 int err;
127
128 spin_lock(&enic->devcmd_lock);
129 err = vnic_dev_hang_notify(enic->vdev);
130 spin_unlock(&enic->devcmd_lock);
131
132 return err;
133 }
134
enic_dev_set_ig_vlan_rewrite_mode(struct enic * enic)135 int enic_dev_set_ig_vlan_rewrite_mode(struct enic *enic)
136 {
137 int err;
138
139 spin_lock(&enic->devcmd_lock);
140 err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev,
141 IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN);
142 spin_unlock(&enic->devcmd_lock);
143
144 return err;
145 }
146
enic_dev_enable(struct enic * enic)147 int enic_dev_enable(struct enic *enic)
148 {
149 int err;
150
151 spin_lock(&enic->devcmd_lock);
152 err = vnic_dev_enable_wait(enic->vdev);
153 spin_unlock(&enic->devcmd_lock);
154
155 return err;
156 }
157
enic_dev_disable(struct enic * enic)158 int enic_dev_disable(struct enic *enic)
159 {
160 int err;
161
162 spin_lock(&enic->devcmd_lock);
163 err = vnic_dev_disable(enic->vdev);
164 spin_unlock(&enic->devcmd_lock);
165
166 return err;
167 }
168
enic_dev_intr_coal_timer_info(struct enic * enic)169 int enic_dev_intr_coal_timer_info(struct enic *enic)
170 {
171 int err;
172
173 spin_lock(&enic->devcmd_lock);
174 err = vnic_dev_intr_coal_timer_info(enic->vdev);
175 spin_unlock(&enic->devcmd_lock);
176
177 return err;
178 }
179
enic_vnic_dev_deinit(struct enic * enic)180 int enic_vnic_dev_deinit(struct enic *enic)
181 {
182 int err;
183
184 spin_lock(&enic->devcmd_lock);
185 err = vnic_dev_deinit(enic->vdev);
186 spin_unlock(&enic->devcmd_lock);
187
188 return err;
189 }
190
enic_dev_init_prov2(struct enic * enic,struct vic_provinfo * vp)191 int enic_dev_init_prov2(struct enic *enic, struct vic_provinfo *vp)
192 {
193 int err;
194
195 spin_lock(&enic->devcmd_lock);
196 err = vnic_dev_init_prov2(enic->vdev,
197 (u8 *)vp, vic_provinfo_size(vp));
198 spin_unlock(&enic->devcmd_lock);
199
200 return err;
201 }
202
enic_dev_deinit_done(struct enic * enic,int * status)203 int enic_dev_deinit_done(struct enic *enic, int *status)
204 {
205 int err;
206
207 spin_lock(&enic->devcmd_lock);
208 err = vnic_dev_deinit_done(enic->vdev, status);
209 spin_unlock(&enic->devcmd_lock);
210
211 return err;
212 }
213
214 /* rtnl lock is held */
enic_vlan_rx_add_vid(struct net_device * netdev,u16 vid)215 int enic_vlan_rx_add_vid(struct net_device *netdev, u16 vid)
216 {
217 struct enic *enic = netdev_priv(netdev);
218 int err;
219
220 spin_lock(&enic->devcmd_lock);
221 err = enic_add_vlan(enic, vid);
222 spin_unlock(&enic->devcmd_lock);
223
224 return err;
225 }
226
227 /* rtnl lock is held */
enic_vlan_rx_kill_vid(struct net_device * netdev,u16 vid)228 int enic_vlan_rx_kill_vid(struct net_device *netdev, u16 vid)
229 {
230 struct enic *enic = netdev_priv(netdev);
231 int err;
232
233 spin_lock(&enic->devcmd_lock);
234 err = enic_del_vlan(enic, vid);
235 spin_unlock(&enic->devcmd_lock);
236
237 return err;
238 }
239
enic_dev_enable2(struct enic * enic,int active)240 int enic_dev_enable2(struct enic *enic, int active)
241 {
242 int err;
243
244 spin_lock(&enic->devcmd_lock);
245 err = vnic_dev_enable2(enic->vdev, active);
246 spin_unlock(&enic->devcmd_lock);
247
248 return err;
249 }
250
enic_dev_enable2_done(struct enic * enic,int * status)251 int enic_dev_enable2_done(struct enic *enic, int *status)
252 {
253 int err;
254
255 spin_lock(&enic->devcmd_lock);
256 err = vnic_dev_enable2_done(enic->vdev, status);
257 spin_unlock(&enic->devcmd_lock);
258
259 return err;
260 }
261
enic_dev_status_to_errno(int devcmd_status)262 int enic_dev_status_to_errno(int devcmd_status)
263 {
264 switch (devcmd_status) {
265 case ERR_SUCCESS:
266 return 0;
267 case ERR_EINVAL:
268 return -EINVAL;
269 case ERR_EFAULT:
270 return -EFAULT;
271 case ERR_EPERM:
272 return -EPERM;
273 case ERR_EBUSY:
274 return -EBUSY;
275 case ERR_ECMDUNKNOWN:
276 case ERR_ENOTSUPPORTED:
277 return -EOPNOTSUPP;
278 case ERR_EBADSTATE:
279 return -EINVAL;
280 case ERR_ENOMEM:
281 return -ENOMEM;
282 case ERR_ETIMEDOUT:
283 return -ETIMEDOUT;
284 case ERR_ELINKDOWN:
285 return -ENETDOWN;
286 case ERR_EINPROGRESS:
287 return -EINPROGRESS;
288 case ERR_EMAXRES:
289 default:
290 return (devcmd_status < 0) ? devcmd_status : -1;
291 }
292 }
293