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