xref: /titanic_50/usr/src/uts/common/io/bnxe/577xx/drivers/common/lm/device/lm_dcbx_mp.h (revision d14abf155341d55053c76eeec58b787a456b753b)
1 /*******************************************************************************
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  *
21  * Copyright 2014 QLogic Corporation
22  * The contents of this file are subject to the terms of the
23  * QLogic End User License (the "License").
24  * You may not use this file except in compliance with the License.
25  *
26  * You can obtain a copy of the License at
27  * http://www.qlogic.com/Resources/Documents/DriverDownloadHelp/
28  * QLogic_End_User_Software_License.txt
29  * See the License for the specific language governing permissions
30  * and limitations under the License.
31  *
32  *
33  * Module Description:
34  *
35  *
36  * History:
37  *    28/06/11 ShayH    Inception.
38  ******************************************************************************/
39 #ifndef _LM_DCBX_MP_H
40 #define _LM_DCBX_MP_H
41 
42 /*******************************************************************************
43  * Constants.
44  ******************************************************************************/
45 #define MAX_NUM_OF_ETH_CONS_PER_COS                 (MAX_RSS_CHAINS)
46 #define ETH_MP_MAX_COS_SUPPORTED                    (3)
47 
48 /*******************************************************************************
49  * Defines.
50  ******************************************************************************/
51 
52 #define MAX_ETH_TX_ONLY_CONS                        ((ETH_MP_MAX_COS_SUPPORTED - 1)*(MAX_NUM_OF_ETH_CONS_PER_COS))
53 #define MAX_ETH_TX_ONLY_CHAINS                      ((ETH_MP_MAX_COS_SUPPORTED - 1)*(MAX_HW_CHAINS))
54 
55 
56 typedef enum
57 {
58     lm_chain_type_cos_reg       = 0,
59     lm_chain_type_cos_tx_only   = 1,
60     lm_chain_type_not_cos       = 2
61 }lm_chain_type_t;
62 
63 /**
64  * @description
65  * Get COS number based on chain.
66  * If the chain doesn't belong to a specific COS (e.g. ISCSI L2
67  * chain)
68  * @param pdev
69  * @param chain
70  *
71  * @return u8_t
72  */
73 u8_t
74 lm_mp_cos_from_chain(IN struct _lm_device_t *pdev,
75                      IN const u32_t         chain);
76 
77 /**
78  * @description
79  * Get max cos chain used.
80  * @param pdev
81  * @param chain
82  * @param cos
83  *
84  * @return u32_t
85  */
86 u8_t
87 lm_mp_max_cos_chain_used(
88     IN struct _lm_device_t  *pdev);
89 
90 #endif// _LM_DCBX_MP_H
91