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
 28int 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
 39int 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
 50int 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
 64int 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
 78int 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
 91int 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
102int 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
113int 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
124int 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
135int 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
147int 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
158int 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
169int 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 */
181int 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 */
194int 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
206int 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}