xref: /linux/drivers/infiniband/hw/usnic/usnic_fwd.h (revision e3cf00d0a87f025db5855a43a67c67a41fa79fef)
1 /*
2  * Copyright (c) 2013, 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 #ifndef USNIC_FWD_H_
20 #define USNIC_FWD_H_
21 
22 #include <linux/if.h>
23 #include <linux/pci.h>
24 #include <linux/spinlock.h>
25 
26 #include "usnic_abi.h"
27 #include "vnic_devcmd.h"
28 
29 struct usnic_fwd_dev {
30 	struct pci_dev			*pdev;
31 	struct net_device		*netdev;
32 	spinlock_t			lock;
33 };
34 
35 struct usnic_fwd_filter {
36 	enum usnic_transport_type	transport;
37 	u16				port_num;
38 };
39 
40 struct usnic_fwd_filter_hndl {
41 	enum filter_type		type;
42 	u32				id;
43 	u32				vnic_idx;
44 	struct usnic_fwd_dev		*ufdev;
45 	struct list_head		link;
46 	struct usnic_fwd_filter		*filter;
47 };
48 
49 struct usnic_fwd_dev *usnic_fwd_dev_alloc(struct pci_dev *pdev);
50 void usnic_fwd_dev_free(struct usnic_fwd_dev *ufdev);
51 int usnic_fwd_add_usnic_filter(struct usnic_fwd_dev *ufdev, int vnic_idx,
52 				int rq_idx, struct usnic_fwd_filter *filter,
53 				struct usnic_fwd_filter_hndl **filter_hndl);
54 int usnic_fwd_del_filter(struct usnic_fwd_filter_hndl *filter_hndl);
55 int usnic_fwd_enable_rq(struct usnic_fwd_dev *ufdev, int vnic_idx, int rq_idx);
56 int usnic_fwd_disable_rq(struct usnic_fwd_dev *ufdev, int vnic_idx, int rq_idx);
57 
58 #endif /* !USNIC_FWD_H_ */
59