xref: /linux/drivers/net/ethernet/intel/i40e/i40e_dcb.h (revision 3932b9ca55b0be314a36d3e84faff3e823c081f5)
1 /*******************************************************************************
2  *
3  * Intel Ethernet Controller XL710 Family Linux Driver
4  * Copyright(c) 2013 - 2014 Intel Corporation.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms and conditions of the GNU General Public License,
8  * version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  * more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program.  If not, see <http://www.gnu.org/licenses/>.
17  *
18  * The full GNU General Public License is included in this distribution in
19  * the file called "COPYING".
20  *
21  * Contact Information:
22  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24  *
25  ******************************************************************************/
26 
27 #ifndef _I40E_DCB_H_
28 #define _I40E_DCB_H_
29 
30 #include "i40e_type.h"
31 
32 #define I40E_DCBX_STATUS_NOT_STARTED	0
33 #define I40E_DCBX_STATUS_IN_PROGRESS	1
34 #define I40E_DCBX_STATUS_DONE		2
35 #define I40E_DCBX_STATUS_MULTIPLE_PEERS	3
36 #define I40E_DCBX_STATUS_DISABLED	7
37 
38 #define I40E_TLV_TYPE_END		0
39 #define I40E_TLV_TYPE_ORG		127
40 
41 #define I40E_IEEE_8021QAZ_OUI		0x0080C2
42 #define I40E_IEEE_SUBTYPE_ETS_CFG	9
43 #define I40E_IEEE_SUBTYPE_ETS_REC	10
44 #define I40E_IEEE_SUBTYPE_PFC_CFG	11
45 #define I40E_IEEE_SUBTYPE_APP_PRI	12
46 
47 /* Defines for LLDP TLV header */
48 #define I40E_LLDP_TLV_LEN_SHIFT		0
49 #define I40E_LLDP_TLV_LEN_MASK		(0x01FF << I40E_LLDP_TLV_LEN_SHIFT)
50 #define I40E_LLDP_TLV_TYPE_SHIFT	9
51 #define I40E_LLDP_TLV_TYPE_MASK		(0x7F << I40E_LLDP_TLV_TYPE_SHIFT)
52 #define I40E_LLDP_TLV_SUBTYPE_SHIFT	0
53 #define I40E_LLDP_TLV_SUBTYPE_MASK	(0xFF << I40E_LLDP_TLV_SUBTYPE_SHIFT)
54 #define I40E_LLDP_TLV_OUI_SHIFT		8
55 #define I40E_LLDP_TLV_OUI_MASK		(0xFFFFFF << I40E_LLDP_TLV_OUI_SHIFT)
56 
57 /* Defines for IEEE ETS TLV */
58 #define I40E_IEEE_ETS_MAXTC_SHIFT	0
59 #define I40E_IEEE_ETS_MAXTC_MASK	(0x7 << I40E_IEEE_ETS_MAXTC_SHIFT)
60 #define I40E_IEEE_ETS_CBS_SHIFT		6
61 #define I40E_IEEE_ETS_CBS_MASK		(0x1 << I40E_IEEE_ETS_CBS_SHIFT)
62 #define I40E_IEEE_ETS_WILLING_SHIFT	7
63 #define I40E_IEEE_ETS_WILLING_MASK	(0x1 << I40E_IEEE_ETS_WILLING_SHIFT)
64 #define I40E_IEEE_ETS_PRIO_0_SHIFT	0
65 #define I40E_IEEE_ETS_PRIO_0_MASK	(0x7 << I40E_IEEE_ETS_PRIO_0_SHIFT)
66 #define I40E_IEEE_ETS_PRIO_1_SHIFT	4
67 #define I40E_IEEE_ETS_PRIO_1_MASK	(0x7 << I40E_IEEE_ETS_PRIO_1_SHIFT)
68 
69 /* Defines for IEEE TSA types */
70 #define I40E_IEEE_TSA_STRICT		0
71 #define I40E_IEEE_TSA_ETS		2
72 
73 /* Defines for IEEE PFC TLV */
74 #define I40E_IEEE_PFC_CAP_SHIFT		0
75 #define I40E_IEEE_PFC_CAP_MASK		(0xF << I40E_IEEE_PFC_CAP_SHIFT)
76 #define I40E_IEEE_PFC_MBC_SHIFT		6
77 #define I40E_IEEE_PFC_MBC_MASK		(0x1 << I40E_IEEE_PFC_MBC_SHIFT)
78 #define I40E_IEEE_PFC_WILLING_SHIFT	7
79 #define I40E_IEEE_PFC_WILLING_MASK	(0x1 << I40E_IEEE_PFC_WILLING_SHIFT)
80 
81 /* Defines for IEEE APP TLV */
82 #define I40E_IEEE_APP_SEL_SHIFT		0
83 #define I40E_IEEE_APP_SEL_MASK		(0x7 << I40E_IEEE_APP_SEL_SHIFT)
84 #define I40E_IEEE_APP_PRIO_SHIFT	5
85 #define I40E_IEEE_APP_PRIO_MASK		(0x7 << I40E_IEEE_APP_PRIO_SHIFT)
86 
87 
88 #pragma pack(1)
89 
90 /* IEEE 802.1AB LLDP Organization specific TLV */
91 struct i40e_lldp_org_tlv {
92 	__be16 typelength;
93 	__be32 ouisubtype;
94 	u8 tlvinfo[1];
95 };
96 #pragma pack()
97 
98 i40e_status i40e_get_dcbx_status(struct i40e_hw *hw,
99 					   u16 *status);
100 i40e_status i40e_lldp_to_dcb_config(u8 *lldpmib,
101 					      struct i40e_dcbx_config *dcbcfg);
102 i40e_status i40e_aq_get_dcb_config(struct i40e_hw *hw, u8 mib_type,
103 					     u8 bridgetype,
104 					     struct i40e_dcbx_config *dcbcfg);
105 i40e_status i40e_get_dcb_config(struct i40e_hw *hw);
106 i40e_status i40e_init_dcb(struct i40e_hw *hw);
107 #endif /* _I40E_DCB_H_ */
108