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34 #ifndef _I40E_LAN_HMC_H_
35 #define _I40E_LAN_HMC_H_
37 /* forward-declare the HW struct for the compiler */
40 /* HMC element context information */
42 /* Rx queue context data
44 * The sizes of the variables may be larger than needed due to crossing byte
45 * boundaries. If we do not have the width of the variable set to the correct
46 * size then we could end up shifting bits off the top of the variable when the
47 * variable is at the top of a byte and crosses over into the next byte.
49 struct i40e_hmc_obj_rxq {
51 u16 cpuid; /* bigger than needed, see above for reason */
54 #define I40E_RXQ_CTX_DBUFF_SHIFT 7
55 u16 dbuff; /* bigger than needed, see above for reason */
56 #define I40E_RXQ_CTX_HBUFF_SHIFT 6
57 u16 hbuff; /* bigger than needed, see above for reason */
66 u32 rxmax; /* bigger than needed, see above for reason */
71 u16 lrxqthresh; /* bigger than needed, see above for reason */
72 u8 prefena; /* NOTE: normally must be set to 1 at init */
75 /* Tx queue context data
77 * The sizes of the variables may be larger than needed due to crossing byte
78 * boundaries. If we do not have the width of the variable set to the correct
79 * size then we could end up shifting bits off the top of the variable when the
80 * variable is at the top of a byte and crosses over into the next byte.
82 struct i40e_hmc_obj_txq {
103 /* for hsplit_0 field of Rx HMC context */
104 enum i40e_hmc_obj_rx_hsplit_0 {
105 I40E_HMC_OBJ_RX_HSPLIT_0_NO_SPLIT = 0,
106 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_L2 = 1,
107 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_IP = 2,
108 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_TCP_UDP = 4,
109 I40E_HMC_OBJ_RX_HSPLIT_0_SPLIT_SCTP = 8,
112 /* fcoe_cntx and fcoe_filt are for debugging purpose only */
113 struct i40e_hmc_obj_fcoe_cntx {
117 struct i40e_hmc_obj_fcoe_filt {
121 /* Context sizes for LAN objects */
122 enum i40e_hmc_lan_object_size {
123 I40E_HMC_LAN_OBJ_SZ_8 = 0x3,
124 I40E_HMC_LAN_OBJ_SZ_16 = 0x4,
125 I40E_HMC_LAN_OBJ_SZ_32 = 0x5,
126 I40E_HMC_LAN_OBJ_SZ_64 = 0x6,
127 I40E_HMC_LAN_OBJ_SZ_128 = 0x7,
128 I40E_HMC_LAN_OBJ_SZ_256 = 0x8,
129 I40E_HMC_LAN_OBJ_SZ_512 = 0x9,
132 #define I40E_HMC_L2OBJ_BASE_ALIGNMENT 512
133 #define I40E_HMC_OBJ_SIZE_TXQ 128
134 #define I40E_HMC_OBJ_SIZE_RXQ 32
135 #define I40E_HMC_OBJ_SIZE_FCOE_CNTX 64
136 #define I40E_HMC_OBJ_SIZE_FCOE_FILT 64
138 enum i40e_hmc_lan_rsrc_type {
139 I40E_HMC_LAN_FULL = 0,
142 I40E_HMC_FCOE_CTX = 3,
143 I40E_HMC_FCOE_FILT = 4,
147 enum i40e_hmc_model {
148 I40E_HMC_MODEL_DIRECT_PREFERRED = 0,
149 I40E_HMC_MODEL_DIRECT_ONLY = 1,
150 I40E_HMC_MODEL_PAGED_ONLY = 2,
151 I40E_HMC_MODEL_UNKNOWN,
154 struct i40e_hmc_lan_create_obj_info {
155 struct i40e_hmc_info *hmc_info;
159 enum i40e_sd_entry_type entry_type;
163 struct i40e_hmc_lan_delete_obj_info {
164 struct i40e_hmc_info *hmc_info;
170 enum i40e_status_code i40e_init_lan_hmc(struct i40e_hw *hw, u32 txq_num,
171 u32 rxq_num, u32 fcoe_cntx_num,
173 enum i40e_status_code i40e_configure_lan_hmc(struct i40e_hw *hw,
174 enum i40e_hmc_model model);
175 enum i40e_status_code i40e_shutdown_lan_hmc(struct i40e_hw *hw);
177 u64 i40e_calculate_l2fpm_size(u32 txq_num, u32 rxq_num,
178 u32 fcoe_cntx_num, u32 fcoe_filt_num);
179 enum i40e_status_code i40e_get_lan_tx_queue_context(struct i40e_hw *hw,
181 struct i40e_hmc_obj_txq *s);
182 enum i40e_status_code i40e_clear_lan_tx_queue_context(struct i40e_hw *hw,
184 enum i40e_status_code i40e_set_lan_tx_queue_context(struct i40e_hw *hw,
186 struct i40e_hmc_obj_txq *s);
187 enum i40e_status_code i40e_get_lan_rx_queue_context(struct i40e_hw *hw,
189 struct i40e_hmc_obj_rxq *s);
190 enum i40e_status_code i40e_clear_lan_rx_queue_context(struct i40e_hw *hw,
192 enum i40e_status_code i40e_set_lan_rx_queue_context(struct i40e_hw *hw,
194 struct i40e_hmc_obj_rxq *s);
195 enum i40e_status_code i40e_create_lan_hmc_object(struct i40e_hw *hw,
196 struct i40e_hmc_lan_create_obj_info *info);
197 enum i40e_status_code i40e_delete_lan_hmc_object(struct i40e_hw *hw,
198 struct i40e_hmc_lan_delete_obj_info *info);
200 #endif /* _I40E_LAN_HMC_H_ */