xref: /openbmc/linux/drivers/scsi/fnic/fnic_fip.h (revision 9cfc5c90)
1 /*
2  * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
3  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
4  *
5  * This program is free software; you may redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; version 2 of the License.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
10  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
11  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
12  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
13  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
14  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
15  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
16  * SOFTWARE.
17  */
18 
19 #ifndef _FNIC_FIP_H_
20 #define _FNIC_FIP_H_
21 
22 
23 #define FCOE_CTLR_START_DELAY    2000    /* ms after first adv. to choose FCF */
24 #define FCOE_CTLR_FIPVLAN_TOV    2000    /* ms after FIP VLAN disc */
25 #define FCOE_CTLR_MAX_SOL        8
26 
27 #define FINC_MAX_FLOGI_REJECTS   8
28 
29 /*
30  * FIP_DT_VLAN descriptor.
31  */
32 struct fip_vlan_desc {
33 	struct fip_desc fd_desc;
34 	__be16 fd_vlan;
35 } __attribute__((packed));
36 
37 struct vlan {
38 	__be16 vid;
39 	__be16 type;
40 };
41 
42 /*
43  * VLAN entry.
44  */
45 struct fcoe_vlan {
46 	struct list_head list;
47 	u16 vid;		/* vlan ID */
48 	u16 sol_count;		/* no. of sols sent */
49 	u16 state;		/* state */
50 };
51 
52 enum fip_vlan_state {
53 	FIP_VLAN_AVAIL  = 0,	/* don't do anything */
54 	FIP_VLAN_SENT   = 1,	/* sent */
55 	FIP_VLAN_USED   = 2,	/* succeed */
56 	FIP_VLAN_FAILED = 3,	/* failed to response */
57 };
58 
59 struct fip_vlan {
60 	struct ethhdr eth;
61 	struct fip_header fip;
62 	struct {
63 		struct fip_mac_desc mac;
64 		struct fip_wwn_desc wwnn;
65 	} desc;
66 };
67 
68 #endif  /* __FINC_FIP_H_ */
69