1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*******************************************************************************
4 * Intel Ethernet Controller XL710 Family Linux Driver
5 * Copyright(c) 2013 - 2014 Intel Corporation.
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * You should have received a copy of the GNU General Public License along
17 * with this program. If not, see <http://www.gnu.org/licenses/>.
19 * The full GNU General Public License is included in this distribution in
20 * the file called "COPYING".
22 * Contact Information:
23 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 ******************************************************************************/
28 #ifndef _I40E_LAN_HMC_H_
29 #define _I40E_LAN_HMC_H_
31 /* forward-declare the HW struct for the compiler */
34 /* HMC element context information */
36 /* Rx queue context data
38 * The sizes of the variables may be larger than needed due to crossing byte
39 * boundaries. If we do not have the width of the variable set to the correct
40 * size then we could end up shifting bits off the top of the variable when the
41 * variable is at the top of a byte and crosses over into the next byte.
43 struct i40e_hmc_obj_rxq {
45 u16 cpuid; /* bigger than needed, see above for reason */
48 #define I40E_RXQ_CTX_DBUFF_SHIFT 7
49 u16 dbuff; /* bigger than needed, see above for reason */
50 #define I40E_RXQ_CTX_HBUFF_SHIFT 6
51 u16 hbuff; /* bigger than needed, see above for reason */
60 u32 rxmax; /* bigger than needed, see above for reason */
65 u16 lrxqthresh; /* bigger than needed, see above for reason */
66 u8 prefena; /* NOTE: normally must be set to 1 at init */
69 /* Tx queue context data
71 * The sizes of the variables may be larger than needed due to crossing byte
72 * boundaries. If we do not have the width of the variable set to the correct
73 * size then we could end up shifting bits off the top of the variable when the
74 * variable is at the top of a byte and crosses over into the next byte.
76 struct i40e_hmc_obj_txq {
97 /* for hsplit_0 field of Rx HMC context */
98 enum i40e_hmc_obj_rx_hsplit_0 {
99 I40E_HMC_OBJ_RX_HSPLIT_0_NO_SPLIT = 0,
100 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_L2 = 1,
101 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_IP = 2,
102 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_TCP_UDP = 4,
103 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_SCTP = 8,
106 /* fcoe_cntx and fcoe_filt are for debugging purpose only */
107 struct i40e_hmc_obj_fcoe_cntx {
111 struct i40e_hmc_obj_fcoe_filt {
115 /* Context sizes for LAN objects */
116 enum i40e_hmc_lan_object_size {
117 I40E_HMC_LAN_OBJ_SZ_8 = 0x3,
118 I40E_HMC_LAN_OBJ_SZ_16 = 0x4,
119 I40E_HMC_LAN_OBJ_SZ_32 = 0x5,
120 I40E_HMC_LAN_OBJ_SZ_64 = 0x6,
121 I40E_HMC_LAN_OBJ_SZ_128 = 0x7,
122 I40E_HMC_LAN_OBJ_SZ_256 = 0x8,
123 I40E_HMC_LAN_OBJ_SZ_512 = 0x9,
126 #define I40E_HMC_L2OBJ_BASE_ALIGNMENT 512
127 #define I40E_HMC_OBJ_SIZE_TXQ 128
128 #define I40E_HMC_OBJ_SIZE_RXQ 32
129 #define I40E_HMC_OBJ_SIZE_FCOE_CNTX 64
130 #define I40E_HMC_OBJ_SIZE_FCOE_FILT 64
132 enum i40e_hmc_lan_rsrc_type {
133 I40E_HMC_LAN_FULL = 0,
136 I40E_HMC_FCOE_CTX = 3,
137 I40E_HMC_FCOE_FILT = 4,
141 enum i40e_hmc_model {
142 I40E_HMC_MODEL_DIRECT_PREFERRED = 0,
143 I40E_HMC_MODEL_DIRECT_ONLY = 1,
144 I40E_HMC_MODEL_PAGED_ONLY = 2,
145 I40E_HMC_MODEL_UNKNOWN,
148 struct i40e_hmc_lan_create_obj_info {
149 struct i40e_hmc_info *hmc_info;
153 enum i40e_sd_entry_type entry_type;
157 struct i40e_hmc_lan_delete_obj_info {
158 struct i40e_hmc_info *hmc_info;
164 i40e_status i40e_init_lan_hmc(struct i40e_hw *hw, u32 txq_num,
165 u32 rxq_num, u32 fcoe_cntx_num,
167 i40e_status i40e_configure_lan_hmc(struct i40e_hw *hw,
168 enum i40e_hmc_model model);
169 i40e_status i40e_shutdown_lan_hmc(struct i40e_hw *hw);
171 i40e_status i40e_clear_lan_tx_queue_context(struct i40e_hw *hw,
173 i40e_status i40e_set_lan_tx_queue_context(struct i40e_hw *hw,
175 struct i40e_hmc_obj_txq *s);
176 i40e_status i40e_clear_lan_rx_queue_context(struct i40e_hw *hw,
178 i40e_status i40e_set_lan_rx_queue_context(struct i40e_hw *hw,
180 struct i40e_hmc_obj_rxq *s);
182 #endif /* _I40E_LAN_HMC_H_ */