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
29struct usnic_fwd_dev {
30	struct pci_dev			*pdev;
31	struct net_device		*netdev;
32	spinlock_t			lock;
33};
34
35struct usnic_fwd_filter {
36	enum usnic_transport_type	transport;
37	u16				port_num;
38};
39
40struct 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
49struct usnic_fwd_dev *usnic_fwd_dev_alloc(struct pci_dev *pdev);
50void usnic_fwd_dev_free(struct usnic_fwd_dev *ufdev);
51int 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);
54int usnic_fwd_del_filter(struct usnic_fwd_filter_hndl *filter_hndl);
55int usnic_fwd_enable_rq(struct usnic_fwd_dev *ufdev, int vnic_idx, int rq_idx);
56int usnic_fwd_disable_rq(struct usnic_fwd_dev *ufdev, int vnic_idx, int rq_idx);
57
58#endif /* !USNIC_FWD_H_ */
59