1 /*******************************************************************************
3 Copyright (c) 2013 - 2014, Intel Corporation
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7 modification, are permitted provided that the following conditions are met:
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13 notice, this list of conditions and the following disclaimer in the
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18 this software without specific prior written permission.
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32 ***************************************************************************/
37 #include "i40e_type.h"
39 #define I40E_DCBX_OFFLOAD_DISABLED 0
40 #define I40E_DCBX_OFFLOAD_ENABLED 1
42 #define I40E_DCBX_STATUS_NOT_STARTED 0
43 #define I40E_DCBX_STATUS_IN_PROGRESS 1
44 #define I40E_DCBX_STATUS_DONE 2
45 #define I40E_DCBX_STATUS_MULTIPLE_PEERS 3
46 #define I40E_DCBX_STATUS_DISABLED 7
48 #define I40E_TLV_TYPE_END 0
49 #define I40E_TLV_TYPE_ORG 127
51 #define I40E_IEEE_8021QAZ_OUI 0x0080C2
52 #define I40E_IEEE_SUBTYPE_ETS_CFG 9
53 #define I40E_IEEE_SUBTYPE_ETS_REC 10
54 #define I40E_IEEE_SUBTYPE_PFC_CFG 11
55 #define I40E_IEEE_SUBTYPE_APP_PRI 12
57 #define I40E_LLDP_ADMINSTATUS_DISABLED 0
58 #define I40E_LLDP_ADMINSTATUS_ENABLED_RX 1
59 #define I40E_LLDP_ADMINSTATUS_ENABLED_TX 2
60 #define I40E_LLDP_ADMINSTATUS_ENABLED_RXTX 3
62 /* Defines for LLDP TLV header */
63 #define I40E_LLDP_MIB_HLEN 14
64 #define I40E_LLDP_TLV_LEN_SHIFT 0
65 #define I40E_LLDP_TLV_LEN_MASK (0x01FF << I40E_LLDP_TLV_LEN_SHIFT)
66 #define I40E_LLDP_TLV_TYPE_SHIFT 9
67 #define I40E_LLDP_TLV_TYPE_MASK (0x7F << I40E_LLDP_TLV_TYPE_SHIFT)
68 #define I40E_LLDP_TLV_SUBTYPE_SHIFT 0
69 #define I40E_LLDP_TLV_SUBTYPE_MASK (0xFF << I40E_LLDP_TLV_SUBTYPE_SHIFT)
70 #define I40E_LLDP_TLV_OUI_SHIFT 8
71 #define I40E_LLDP_TLV_OUI_MASK (0xFFFFFF << I40E_LLDP_TLV_OUI_SHIFT)
73 /* Defines for IEEE ETS TLV */
74 #define I40E_IEEE_ETS_MAXTC_SHIFT 0
75 #define I40E_IEEE_ETS_MAXTC_MASK (0x7 << I40E_IEEE_ETS_MAXTC_SHIFT)
76 #define I40E_IEEE_ETS_CBS_SHIFT 6
77 #define I40E_IEEE_ETS_CBS_MASK (0x1 << I40E_IEEE_ETS_CBS_SHIFT)
78 #define I40E_IEEE_ETS_WILLING_SHIFT 7
79 #define I40E_IEEE_ETS_WILLING_MASK (0x1 << I40E_IEEE_ETS_WILLING_SHIFT)
80 #define I40E_IEEE_ETS_PRIO_0_SHIFT 0
81 #define I40E_IEEE_ETS_PRIO_0_MASK (0x7 << I40E_IEEE_ETS_PRIO_0_SHIFT)
82 #define I40E_IEEE_ETS_PRIO_1_SHIFT 4
83 #define I40E_IEEE_ETS_PRIO_1_MASK (0x7 << I40E_IEEE_ETS_PRIO_1_SHIFT)
85 /* Defines for IEEE TSA types */
86 #define I40E_IEEE_TSA_STRICT 0
87 #define I40E_IEEE_TSA_CBS 1
88 #define I40E_IEEE_TSA_ETS 2
89 #define I40E_IEEE_TSA_VENDOR 255
91 /* Defines for IEEE PFC TLV */
92 #define I40E_IEEE_PFC_CAP_SHIFT 0
93 #define I40E_IEEE_PFC_CAP_MASK (0xF << I40E_IEEE_PFC_CAP_SHIFT)
94 #define I40E_IEEE_PFC_MBC_SHIFT 6
95 #define I40E_IEEE_PFC_MBC_MASK (0x1 << I40E_IEEE_PFC_MBC_SHIFT)
96 #define I40E_IEEE_PFC_WILLING_SHIFT 7
97 #define I40E_IEEE_PFC_WILLING_MASK (0x1 << I40E_IEEE_PFC_WILLING_SHIFT)
99 /* Defines for IEEE APP TLV */
100 #define I40E_IEEE_APP_SEL_SHIFT 0
101 #define I40E_IEEE_APP_SEL_MASK (0x7 << I40E_IEEE_APP_SEL_SHIFT)
102 #define I40E_IEEE_APP_PRIO_SHIFT 5
103 #define I40E_IEEE_APP_PRIO_MASK (0x7 << I40E_IEEE_APP_PRIO_SHIFT)
108 /* IEEE 802.1AB LLDP TLV structure */
109 struct i40e_lldp_generic_tlv {
114 /* IEEE 802.1AB LLDP Organization specific TLV */
115 struct i40e_lldp_org_tlv {
123 * TODO: The below structures related LLDP/DCBX variables
124 * and statistics are defined but need to find how to get
125 * the required information from the Firmware to use them
128 /* IEEE 802.1AB LLDP Agent Statistics */
129 struct i40e_lldp_stats {
130 u64 remtablelastchangetime;
136 u64 rxframesdiscarded;
137 u64 rxportframeerrors;
138 u64 rxportframestotal;
139 u64 rxporttlvsdiscardedtotal;
140 u64 rxporttlvsunrecognizedtotal;
141 u64 remtoomanyneighbors;
144 /* IEEE 802.1Qaz DCBX variables */
145 struct i40e_dcbx_variables {
146 u32 defmaxtrafficclasses;
147 u32 defprioritytcmapping;
149 u32 deftsaassignment;
153 /* Data structures to pass for SW DCBX */
154 struct i40e_rx_pb_config {
155 u32 shared_pool_size;
156 u32 shared_pool_high_wm;
157 u32 shared_pool_low_wm;
158 u32 shared_pool_high_thresh[I40E_MAX_TRAFFIC_CLASS];
159 u32 shared_pool_low_thresh[I40E_MAX_TRAFFIC_CLASS];
160 u32 tc_pool_size[I40E_MAX_TRAFFIC_CLASS];
161 u32 tc_pool_high_wm[I40E_MAX_TRAFFIC_CLASS];
162 u32 tc_pool_low_wm[I40E_MAX_TRAFFIC_CLASS];
165 enum i40e_dcb_arbiter_mode {
166 I40E_DCB_ARB_MODE_STRICT_PRIORITY = 0,
167 I40E_DCB_ARB_MODE_ROUND_ROBIN = 1
170 #define I40E_DEFAULT_PAUSE_TIME 0xffff
171 #define I40E_MAX_FRAME_SIZE 4608 /* 4.5 KB */
173 #define I40E_DEVICE_RPB_SIZE 968000 /* 968 KB */
175 /* BitTimes (BT) conversion */
176 #define I40E_BT2KB(BT) ((BT + (8 * 1024 - 1)) / (8 * 1024))
177 #define I40E_B2BT(BT) (BT * 8)
178 #define I40E_BT2B(BT) ((BT + (8 - 1)) / (8))
180 /* Max Frame(TC) = MFS(max) + MFS(TC) */
181 #define I40E_MAX_FRAME_TC(mfs_max, mfs_tc) I40E_B2BT(mfs_max + mfs_tc)
183 /* EEE Tx LPI Exit time in Bit Times */
184 #define I40E_EEE_TX_LPI_EXIT_TIME 142500
186 /* PCI Round Trip Time in Bit Times */
187 #define I40E_PCIRTT_LINK_SPEED_10G 20000
188 #define I40E_PCIRTT_BYTE_LINK_SPEED_20G 40000
189 #define I40E_PCIRTT_BYTE_LINK_SPEED_40G 80000
191 /* PFC Frame Delay Bit Times */
192 #define I40E_PFC_FRAME_DELAY 672
194 /* Worst case Cable (10GBase-T) Delay Bit Times */
195 #define I40E_CABLE_DELAY 5556
197 /* Higher Layer Delay @10G Bit Times */
198 #define I40E_HIGHER_LAYER_DELAY_10G 6144
200 /* Interface Delays in Bit Times */
201 /* TODO: Add for other link speeds 20G/40G/etc. */
202 #define I40E_INTERFACE_DELAY_10G_MAC_CONTROL 8192
203 #define I40E_INTERFACE_DELAY_10G_MAC 8192
204 #define I40E_INTERFACE_DELAY_10G_RS 8192
206 #define I40E_INTERFACE_DELAY_XGXS 2048
207 #define I40E_INTERFACE_DELAY_XAUI 2048
209 #define I40E_INTERFACE_DELAY_10G_BASEX_PCS 2048
210 #define I40E_INTERFACE_DELAY_10G_BASER_PCS 3584
211 #define I40E_INTERFACE_DELAY_LX4_PMD 512
212 #define I40E_INTERFACE_DELAY_CX4_PMD 512
213 #define I40E_INTERFACE_DELAY_SERIAL_PMA 512
214 #define I40E_INTERFACE_DELAY_PMD 512
216 #define I40E_INTERFACE_DELAY_10G_BASET 25600
218 /* delay values for with 10G BaseT in Bit Times */
219 #define I40E_INTERFACE_DELAY_10G_COPPER \
220 (I40E_INTERFACE_DELAY_10G_MAC + (2 * I40E_INTERFACE_DELAY_XAUI) \
221 + I40E_INTERFACE_DELAY_10G_BASET)
222 #define I40E_DV_TC(mfs_max, mfs_tc) \
223 ((2 * I40E_MAX_FRAME_TC(mfs_max, mfs_tc)) \
224 + I40E_PFC_FRAME_DELAY \
225 + (2 * I40E_CABLE_DELAY) \
226 + (2 * I40E_INTERFACE_DELAY_10G_COPPER) \
227 + I40E_HIGHER_LAYER_DELAY_10G)
228 #define I40E_STD_DV_TC(mfs_max, mfs_tc) \
229 (I40E_DV_TC(mfs_max, mfs_tc) + I40E_B2BT(mfs_max))
231 enum i40e_status_code i40e_process_lldp_event(struct i40e_hw *hw,
232 struct i40e_arq_event_info *e);
233 /* APIs for SW DCBX */
234 void i40e_dcb_hw_rx_fifo_config(struct i40e_hw *hw,
235 enum i40e_dcb_arbiter_mode ets_mode,
236 enum i40e_dcb_arbiter_mode non_ets_mode,
237 u32 max_exponent, u8 lltc_map);
238 void i40e_dcb_hw_rx_cmd_monitor_config(struct i40e_hw *hw,
239 u8 num_tc, u8 num_ports);
240 void i40e_dcb_hw_pfc_config(struct i40e_hw *hw,
241 u8 pfc_en, u8 *prio_tc);
242 void i40e_dcb_hw_set_num_tc(struct i40e_hw *hw, u8 num_tc);
243 u8 i40e_dcb_hw_get_num_tc(struct i40e_hw *hw);
244 void i40e_dcb_hw_rx_ets_bw_config(struct i40e_hw *hw, u8 *bw_share,
245 u8 *mode, u8 *prio_type);
246 void i40e_dcb_hw_rx_up2tc_config(struct i40e_hw *hw, u8 *prio_tc);
247 void i40e_dcb_hw_calculate_pool_sizes(struct i40e_hw *hw,
248 u8 num_ports, bool eee_enabled,
249 u8 pfc_en, u32 *mfs_tc,
250 struct i40e_rx_pb_config *pb_cfg);
251 void i40e_dcb_hw_rx_pb_config(struct i40e_hw *hw,
252 struct i40e_rx_pb_config *old_pb_cfg,
253 struct i40e_rx_pb_config *new_pb_cfg);
254 #endif /* I40E_DCB_SW */
255 enum i40e_status_code i40e_get_dcbx_status(struct i40e_hw *hw,
257 enum i40e_status_code i40e_lldp_to_dcb_config(u8 *lldpmib,
258 struct i40e_dcbx_config *dcbcfg);
259 enum i40e_status_code i40e_aq_get_dcb_config(struct i40e_hw *hw, u8 mib_type,
261 struct i40e_dcbx_config *dcbcfg);
262 enum i40e_status_code i40e_get_dcb_config(struct i40e_hw *hw);
263 enum i40e_status_code i40e_init_dcb(struct i40e_hw *hw);
264 #endif /* _I40E_DCB_H_ */