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_bh(&enic->devcmd_lock);
33 	err = vnic_dev_fw_info(enic->vdev, fw_info);
34 	spin_unlock_bh(&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_bh(&enic->devcmd_lock);
44 	err = vnic_dev_stats_dump(enic->vdev, vstats);
45 	spin_unlock_bh(&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_bh(&enic->devcmd_lock);
58 	err = vnic_dev_add_addr(enic->vdev, enic->netdev->dev_addr);
59 	spin_unlock_bh(&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_bh(&enic->devcmd_lock);
72 	err = vnic_dev_del_addr(enic->vdev, enic->netdev->dev_addr);
73 	spin_unlock_bh(&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_bh(&enic->devcmd_lock);
84 	err = vnic_dev_packet_filter(enic->vdev, directed,
85 		multicast, broadcast, promisc, allmulti);
86 	spin_unlock_bh(&enic->devcmd_lock);
87 
88 	return err;
89 }
90 
enic_dev_add_addr(struct enic * enic,const u8 * addr)91 int enic_dev_add_addr(struct enic *enic, const u8 *addr)
92 {
93 	int err;
94 
95 	spin_lock_bh(&enic->devcmd_lock);
96 	err = vnic_dev_add_addr(enic->vdev, addr);
97 	spin_unlock_bh(&enic->devcmd_lock);
98 
99 	return err;
100 }
101 
enic_dev_del_addr(struct enic * enic,const u8 * addr)102 int enic_dev_del_addr(struct enic *enic, const u8 *addr)
103 {
104 	int err;
105 
106 	spin_lock_bh(&enic->devcmd_lock);
107 	err = vnic_dev_del_addr(enic->vdev, addr);
108 	spin_unlock_bh(&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_bh(&enic->devcmd_lock);
118 	err = vnic_dev_notify_unset(enic->vdev);
119 	spin_unlock_bh(&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_bh(&enic->devcmd_lock);
129 	err = vnic_dev_hang_notify(enic->vdev);
130 	spin_unlock_bh(&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_bh(&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_bh(&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_bh(&enic->devcmd_lock);
152 	err = vnic_dev_enable_wait(enic->vdev);
153 	spin_unlock_bh(&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_bh(&enic->devcmd_lock);
163 	err = vnic_dev_disable(enic->vdev);
164 	spin_unlock_bh(&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_bh(&enic->devcmd_lock);
174 	err = vnic_dev_intr_coal_timer_info(enic->vdev);
175 	spin_unlock_bh(&enic->devcmd_lock);
176 
177 	return err;
178 }
179 
180 /* rtnl lock is held */
enic_vlan_rx_add_vid(struct net_device * netdev,__be16 proto,u16 vid)181 int enic_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid)
182 {
183 	struct enic *enic = netdev_priv(netdev);
184 	int err;
185 
186 	spin_lock_bh(&enic->devcmd_lock);
187 	err = enic_add_vlan(enic, vid);
188 	spin_unlock_bh(&enic->devcmd_lock);
189 
190 	return err;
191 }
192 
193 /* rtnl lock is held */
enic_vlan_rx_kill_vid(struct net_device * netdev,__be16 proto,u16 vid)194 int enic_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid)
195 {
196 	struct enic *enic = netdev_priv(netdev);
197 	int err;
198 
199 	spin_lock_bh(&enic->devcmd_lock);
200 	err = enic_del_vlan(enic, vid);
201 	spin_unlock_bh(&enic->devcmd_lock);
202 
203 	return err;
204 }
205 
enic_dev_status_to_errno(int devcmd_status)206 int enic_dev_status_to_errno(int devcmd_status)
207 {
208 	switch (devcmd_status) {
209 	case ERR_SUCCESS:
210 		return 0;
211 	case ERR_EINVAL:
212 		return -EINVAL;
213 	case ERR_EFAULT:
214 		return -EFAULT;
215 	case ERR_EPERM:
216 		return -EPERM;
217 	case ERR_EBUSY:
218 		return -EBUSY;
219 	case ERR_ECMDUNKNOWN:
220 	case ERR_ENOTSUPPORTED:
221 		return -EOPNOTSUPP;
222 	case ERR_EBADSTATE:
223 		return -EINVAL;
224 	case ERR_ENOMEM:
225 		return -ENOMEM;
226 	case ERR_ETIMEDOUT:
227 		return -ETIMEDOUT;
228 	case ERR_ELINKDOWN:
229 		return -ENETDOWN;
230 	case ERR_EINPROGRESS:
231 		return -EINPROGRESS;
232 	case ERR_EMAXRES:
233 	default:
234 		return (devcmd_status < 0) ? devcmd_status : -1;
235 	}
236 }
237