linux/drivers/net/ethernet/intel/i40e/i40e_dcb.h
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   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#define I40E_CEE_DCBX_OUI               0x001b21
  48#define I40E_CEE_DCBX_TYPE              2
  49
  50#define I40E_CEE_SUBTYPE_CTRL           1
  51#define I40E_CEE_SUBTYPE_PG_CFG         2
  52#define I40E_CEE_SUBTYPE_PFC_CFG        3
  53#define I40E_CEE_SUBTYPE_APP_PRI        4
  54
  55#define I40E_CEE_MAX_FEAT_TYPE          3
  56/* Defines for LLDP TLV header */
  57#define I40E_LLDP_TLV_LEN_SHIFT         0
  58#define I40E_LLDP_TLV_LEN_MASK          (0x01FF << I40E_LLDP_TLV_LEN_SHIFT)
  59#define I40E_LLDP_TLV_TYPE_SHIFT        9
  60#define I40E_LLDP_TLV_TYPE_MASK         (0x7F << I40E_LLDP_TLV_TYPE_SHIFT)
  61#define I40E_LLDP_TLV_SUBTYPE_SHIFT     0
  62#define I40E_LLDP_TLV_SUBTYPE_MASK      (0xFF << I40E_LLDP_TLV_SUBTYPE_SHIFT)
  63#define I40E_LLDP_TLV_OUI_SHIFT         8
  64#define I40E_LLDP_TLV_OUI_MASK          (0xFFFFFF << I40E_LLDP_TLV_OUI_SHIFT)
  65
  66/* Defines for IEEE ETS TLV */
  67#define I40E_IEEE_ETS_MAXTC_SHIFT       0
  68#define I40E_IEEE_ETS_MAXTC_MASK        (0x7 << I40E_IEEE_ETS_MAXTC_SHIFT)
  69#define I40E_IEEE_ETS_CBS_SHIFT         6
  70#define I40E_IEEE_ETS_CBS_MASK          BIT(I40E_IEEE_ETS_CBS_SHIFT)
  71#define I40E_IEEE_ETS_WILLING_SHIFT     7
  72#define I40E_IEEE_ETS_WILLING_MASK      BIT(I40E_IEEE_ETS_WILLING_SHIFT)
  73#define I40E_IEEE_ETS_PRIO_0_SHIFT      0
  74#define I40E_IEEE_ETS_PRIO_0_MASK       (0x7 << I40E_IEEE_ETS_PRIO_0_SHIFT)
  75#define I40E_IEEE_ETS_PRIO_1_SHIFT      4
  76#define I40E_IEEE_ETS_PRIO_1_MASK       (0x7 << I40E_IEEE_ETS_PRIO_1_SHIFT)
  77#define I40E_CEE_PGID_PRIO_0_SHIFT      0
  78#define I40E_CEE_PGID_PRIO_0_MASK       (0xF << I40E_CEE_PGID_PRIO_0_SHIFT)
  79#define I40E_CEE_PGID_PRIO_1_SHIFT      4
  80#define I40E_CEE_PGID_PRIO_1_MASK       (0xF << I40E_CEE_PGID_PRIO_1_SHIFT)
  81#define I40E_CEE_PGID_STRICT            15
  82
  83/* Defines for IEEE TSA types */
  84#define I40E_IEEE_TSA_STRICT            0
  85#define I40E_IEEE_TSA_ETS               2
  86
  87/* Defines for IEEE PFC TLV */
  88#define I40E_IEEE_PFC_CAP_SHIFT         0
  89#define I40E_IEEE_PFC_CAP_MASK          (0xF << I40E_IEEE_PFC_CAP_SHIFT)
  90#define I40E_IEEE_PFC_MBC_SHIFT         6
  91#define I40E_IEEE_PFC_MBC_MASK          BIT(I40E_IEEE_PFC_MBC_SHIFT)
  92#define I40E_IEEE_PFC_WILLING_SHIFT     7
  93#define I40E_IEEE_PFC_WILLING_MASK      BIT(I40E_IEEE_PFC_WILLING_SHIFT)
  94
  95/* Defines for IEEE APP TLV */
  96#define I40E_IEEE_APP_SEL_SHIFT         0
  97#define I40E_IEEE_APP_SEL_MASK          (0x7 << I40E_IEEE_APP_SEL_SHIFT)
  98#define I40E_IEEE_APP_PRIO_SHIFT        5
  99#define I40E_IEEE_APP_PRIO_MASK         (0x7 << I40E_IEEE_APP_PRIO_SHIFT)
 100
 101
 102#pragma pack(1)
 103
 104/* IEEE 802.1AB LLDP Organization specific TLV */
 105struct i40e_lldp_org_tlv {
 106        __be16 typelength;
 107        __be32 ouisubtype;
 108        u8 tlvinfo[1];
 109};
 110
 111struct i40e_cee_tlv_hdr {
 112        __be16 typelen;
 113        u8 operver;
 114        u8 maxver;
 115};
 116
 117struct i40e_cee_ctrl_tlv {
 118        struct i40e_cee_tlv_hdr hdr;
 119        __be32 seqno;
 120        __be32 ackno;
 121};
 122
 123struct i40e_cee_feat_tlv {
 124        struct i40e_cee_tlv_hdr hdr;
 125        u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */
 126#define I40E_CEE_FEAT_TLV_ENABLE_MASK   0x80
 127#define I40E_CEE_FEAT_TLV_WILLING_MASK  0x40
 128#define I40E_CEE_FEAT_TLV_ERR_MASK      0x20
 129        u8 subtype;
 130        u8 tlvinfo[1];
 131};
 132
 133struct i40e_cee_app_prio {
 134        __be16 protocol;
 135        u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */
 136#define I40E_CEE_APP_SELECTOR_MASK      0x03
 137        __be16 lower_oui;
 138        u8 prio_map;
 139};
 140#pragma pack()
 141
 142i40e_status i40e_get_dcbx_status(struct i40e_hw *hw,
 143                                           u16 *status);
 144i40e_status i40e_lldp_to_dcb_config(u8 *lldpmib,
 145                                              struct i40e_dcbx_config *dcbcfg);
 146i40e_status i40e_aq_get_dcb_config(struct i40e_hw *hw, u8 mib_type,
 147                                             u8 bridgetype,
 148                                             struct i40e_dcbx_config *dcbcfg);
 149i40e_status i40e_get_dcb_config(struct i40e_hw *hw);
 150i40e_status i40e_init_dcb(struct i40e_hw *hw);
 151#endif /* _I40E_DCB_H_ */
 152