xref: /linux/drivers/net/ethernet/cisco/enic/enic_dev.c (revision 4f2c0a4acffbec01079c28f839422e64ddeff004)
1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright 2011 Cisco Systems, Inc.  All rights reserved.
3 
4 #include <linux/pci.h>
5 #include <linux/etherdevice.h>
6 
7 #include "vnic_dev.h"
8 #include "vnic_vic.h"
9 #include "enic_res.h"
10 #include "enic.h"
11 #include "enic_dev.h"
12 
enic_dev_fw_info(struct enic * enic,struct vnic_devcmd_fw_info ** fw_info)13 int enic_dev_fw_info(struct enic *enic, struct vnic_devcmd_fw_info **fw_info)
14 {
15 	int err;
16 
17 	spin_lock_bh(&enic->devcmd_lock);
18 	err = vnic_dev_fw_info(enic->vdev, fw_info);
19 	spin_unlock_bh(&enic->devcmd_lock);
20 
21 	return err;
22 }
23 
enic_dev_stats_dump(struct enic * enic,struct vnic_stats ** vstats)24 int enic_dev_stats_dump(struct enic *enic, struct vnic_stats **vstats)
25 {
26 	int err;
27 
28 	spin_lock_bh(&enic->devcmd_lock);
29 	err = vnic_dev_stats_dump(enic->vdev, vstats);
30 	spin_unlock_bh(&enic->devcmd_lock);
31 
32 	return err;
33 }
34 
enic_dev_add_station_addr(struct enic * enic)35 int enic_dev_add_station_addr(struct enic *enic)
36 {
37 	int err;
38 
39 	if (!is_valid_ether_addr(enic->netdev->dev_addr))
40 		return -EADDRNOTAVAIL;
41 
42 	spin_lock_bh(&enic->devcmd_lock);
43 	err = vnic_dev_add_addr(enic->vdev, enic->netdev->dev_addr);
44 	spin_unlock_bh(&enic->devcmd_lock);
45 
46 	return err;
47 }
48 
enic_dev_del_station_addr(struct enic * enic)49 int enic_dev_del_station_addr(struct enic *enic)
50 {
51 	int err;
52 
53 	if (!is_valid_ether_addr(enic->netdev->dev_addr))
54 		return -EADDRNOTAVAIL;
55 
56 	spin_lock_bh(&enic->devcmd_lock);
57 	err = vnic_dev_del_addr(enic->vdev, enic->netdev->dev_addr);
58 	spin_unlock_bh(&enic->devcmd_lock);
59 
60 	return err;
61 }
62 
enic_dev_packet_filter(struct enic * enic,int directed,int multicast,int broadcast,int promisc,int allmulti)63 int enic_dev_packet_filter(struct enic *enic, int directed, int multicast,
64 	int broadcast, int promisc, int allmulti)
65 {
66 	int err;
67 
68 	spin_lock_bh(&enic->devcmd_lock);
69 	err = vnic_dev_packet_filter(enic->vdev, directed,
70 		multicast, broadcast, promisc, allmulti);
71 	spin_unlock_bh(&enic->devcmd_lock);
72 
73 	return err;
74 }
75 
enic_dev_add_addr(struct enic * enic,const u8 * addr)76 int enic_dev_add_addr(struct enic *enic, const u8 *addr)
77 {
78 	int err;
79 
80 	spin_lock_bh(&enic->devcmd_lock);
81 	err = vnic_dev_add_addr(enic->vdev, addr);
82 	spin_unlock_bh(&enic->devcmd_lock);
83 
84 	return err;
85 }
86 
enic_dev_del_addr(struct enic * enic,const u8 * addr)87 int enic_dev_del_addr(struct enic *enic, const u8 *addr)
88 {
89 	int err;
90 
91 	spin_lock_bh(&enic->devcmd_lock);
92 	err = vnic_dev_del_addr(enic->vdev, addr);
93 	spin_unlock_bh(&enic->devcmd_lock);
94 
95 	return err;
96 }
97 
enic_dev_notify_unset(struct enic * enic)98 int enic_dev_notify_unset(struct enic *enic)
99 {
100 	int err;
101 
102 	spin_lock_bh(&enic->devcmd_lock);
103 	err = vnic_dev_notify_unset(enic->vdev);
104 	spin_unlock_bh(&enic->devcmd_lock);
105 
106 	return err;
107 }
108 
enic_dev_hang_notify(struct enic * enic)109 int enic_dev_hang_notify(struct enic *enic)
110 {
111 	int err;
112 
113 	spin_lock_bh(&enic->devcmd_lock);
114 	err = vnic_dev_hang_notify(enic->vdev);
115 	spin_unlock_bh(&enic->devcmd_lock);
116 
117 	return err;
118 }
119 
enic_dev_set_ig_vlan_rewrite_mode(struct enic * enic)120 int enic_dev_set_ig_vlan_rewrite_mode(struct enic *enic)
121 {
122 	int err;
123 
124 	spin_lock_bh(&enic->devcmd_lock);
125 	err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev,
126 		IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN);
127 	spin_unlock_bh(&enic->devcmd_lock);
128 
129 	return err;
130 }
131 
enic_dev_enable(struct enic * enic)132 int enic_dev_enable(struct enic *enic)
133 {
134 	int err;
135 
136 	spin_lock_bh(&enic->devcmd_lock);
137 	err = vnic_dev_enable_wait(enic->vdev);
138 	spin_unlock_bh(&enic->devcmd_lock);
139 
140 	return err;
141 }
142 
enic_dev_disable(struct enic * enic)143 int enic_dev_disable(struct enic *enic)
144 {
145 	int err;
146 
147 	spin_lock_bh(&enic->devcmd_lock);
148 	err = vnic_dev_disable(enic->vdev);
149 	spin_unlock_bh(&enic->devcmd_lock);
150 
151 	return err;
152 }
153 
enic_dev_intr_coal_timer_info(struct enic * enic)154 int enic_dev_intr_coal_timer_info(struct enic *enic)
155 {
156 	int err;
157 
158 	spin_lock_bh(&enic->devcmd_lock);
159 	err = vnic_dev_intr_coal_timer_info(enic->vdev);
160 	spin_unlock_bh(&enic->devcmd_lock);
161 
162 	return err;
163 }
164 
165 /* rtnl lock is held */
enic_vlan_rx_add_vid(struct net_device * netdev,__be16 proto,u16 vid)166 int enic_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid)
167 {
168 	struct enic *enic = netdev_priv(netdev);
169 	int err;
170 
171 	spin_lock_bh(&enic->devcmd_lock);
172 	err = enic_add_vlan(enic, vid);
173 	spin_unlock_bh(&enic->devcmd_lock);
174 
175 	return err;
176 }
177 
178 /* rtnl lock is held */
enic_vlan_rx_kill_vid(struct net_device * netdev,__be16 proto,u16 vid)179 int enic_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid)
180 {
181 	struct enic *enic = netdev_priv(netdev);
182 	int err;
183 
184 	spin_lock_bh(&enic->devcmd_lock);
185 	err = enic_del_vlan(enic, vid);
186 	spin_unlock_bh(&enic->devcmd_lock);
187 
188 	return err;
189 }
190 
enic_dev_status_to_errno(int devcmd_status)191 int enic_dev_status_to_errno(int devcmd_status)
192 {
193 	switch (devcmd_status) {
194 	case ERR_SUCCESS:
195 		return 0;
196 	case ERR_EINVAL:
197 		return -EINVAL;
198 	case ERR_EFAULT:
199 		return -EFAULT;
200 	case ERR_EPERM:
201 		return -EPERM;
202 	case ERR_EBUSY:
203 		return -EBUSY;
204 	case ERR_ECMDUNKNOWN:
205 	case ERR_ENOTSUPPORTED:
206 		return -EOPNOTSUPP;
207 	case ERR_EBADSTATE:
208 		return -EINVAL;
209 	case ERR_ENOMEM:
210 		return -ENOMEM;
211 	case ERR_ETIMEDOUT:
212 		return -ETIMEDOUT;
213 	case ERR_ELINKDOWN:
214 		return -ENETDOWN;
215 	case ERR_EINPROGRESS:
216 		return -EINPROGRESS;
217 	case ERR_EMAXRES:
218 	default:
219 		return (devcmd_status < 0) ? devcmd_status : -1;
220 	}
221 }
222