| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* Copyright(c) 2013 - 2021 Intel Corporation. */ |
| |
| #ifndef _I40E_DCB_H_ |
| #define _I40E_DCB_H_ |
| |
| #include "i40e_type.h" |
| |
| #define I40E_DCBX_STATUS_NOT_STARTED 0 |
| #define I40E_DCBX_STATUS_IN_PROGRESS 1 |
| #define I40E_DCBX_STATUS_DONE 2 |
| #define I40E_DCBX_STATUS_MULTIPLE_PEERS 3 |
| #define I40E_DCBX_STATUS_DISABLED 7 |
| |
| #define I40E_TLV_TYPE_END 0 |
| #define I40E_TLV_TYPE_ORG 127 |
| |
| #define I40E_IEEE_8021QAZ_OUI 0x0080C2 |
| #define I40E_IEEE_SUBTYPE_ETS_CFG 9 |
| #define I40E_IEEE_SUBTYPE_ETS_REC 10 |
| #define I40E_IEEE_SUBTYPE_PFC_CFG 11 |
| #define I40E_IEEE_SUBTYPE_APP_PRI 12 |
| |
| #define I40E_CEE_DCBX_OUI 0x001b21 |
| #define I40E_CEE_DCBX_TYPE 2 |
| |
| #define I40E_CEE_SUBTYPE_CTRL 1 |
| #define I40E_CEE_SUBTYPE_PG_CFG 2 |
| #define I40E_CEE_SUBTYPE_PFC_CFG 3 |
| #define I40E_CEE_SUBTYPE_APP_PRI 4 |
| |
| #define I40E_CEE_MAX_FEAT_TYPE 3 |
| #define I40E_LLDP_CURRENT_STATUS_XL710_OFFSET 0x2B |
| #define I40E_LLDP_CURRENT_STATUS_X722_OFFSET 0x31 |
| #define I40E_LLDP_CURRENT_STATUS_OFFSET 1 |
| #define I40E_LLDP_CURRENT_STATUS_SIZE 1 |
| |
| /* Defines for LLDP TLV header */ |
| #define I40E_LLDP_TLV_LEN_SHIFT 0 |
| #define I40E_LLDP_TLV_LEN_MASK (0x01FF << I40E_LLDP_TLV_LEN_SHIFT) |
| #define I40E_LLDP_TLV_TYPE_SHIFT 9 |
| #define I40E_LLDP_TLV_TYPE_MASK (0x7F << I40E_LLDP_TLV_TYPE_SHIFT) |
| #define I40E_LLDP_TLV_SUBTYPE_SHIFT 0 |
| #define I40E_LLDP_TLV_SUBTYPE_MASK (0xFF << I40E_LLDP_TLV_SUBTYPE_SHIFT) |
| #define I40E_LLDP_TLV_OUI_SHIFT 8 |
| #define I40E_LLDP_TLV_OUI_MASK (0xFFFFFFU << I40E_LLDP_TLV_OUI_SHIFT) |
| |
| /* Defines for IEEE ETS TLV */ |
| #define I40E_IEEE_ETS_MAXTC_SHIFT 0 |
| #define I40E_IEEE_ETS_MAXTC_MASK (0x7 << I40E_IEEE_ETS_MAXTC_SHIFT) |
| #define I40E_IEEE_ETS_CBS_SHIFT 6 |
| #define I40E_IEEE_ETS_CBS_MASK BIT(I40E_IEEE_ETS_CBS_SHIFT) |
| #define I40E_IEEE_ETS_WILLING_SHIFT 7 |
| #define I40E_IEEE_ETS_WILLING_MASK BIT(I40E_IEEE_ETS_WILLING_SHIFT) |
| #define I40E_IEEE_ETS_PRIO_0_SHIFT 0 |
| #define I40E_IEEE_ETS_PRIO_0_MASK (0x7 << I40E_IEEE_ETS_PRIO_0_SHIFT) |
| #define I40E_IEEE_ETS_PRIO_1_SHIFT 4 |
| #define I40E_IEEE_ETS_PRIO_1_MASK (0x7 << I40E_IEEE_ETS_PRIO_1_SHIFT) |
| #define I40E_CEE_PGID_PRIO_0_SHIFT 0 |
| #define I40E_CEE_PGID_PRIO_0_MASK (0xF << I40E_CEE_PGID_PRIO_0_SHIFT) |
| #define I40E_CEE_PGID_PRIO_1_SHIFT 4 |
| #define I40E_CEE_PGID_PRIO_1_MASK (0xF << I40E_CEE_PGID_PRIO_1_SHIFT) |
| #define I40E_CEE_PGID_STRICT 15 |
| |
| /* Defines for IEEE TSA types */ |
| #define I40E_IEEE_TSA_STRICT 0 |
| #define I40E_IEEE_TSA_ETS 2 |
| |
| /* Defines for IEEE PFC TLV */ |
| #define I40E_DCB_PFC_ENABLED 2 |
| #define I40E_DCB_PFC_FORCED_NUM_TC 2 |
| #define I40E_IEEE_PFC_CAP_SHIFT 0 |
| #define I40E_IEEE_PFC_CAP_MASK (0xF << I40E_IEEE_PFC_CAP_SHIFT) |
| #define I40E_IEEE_PFC_MBC_SHIFT 6 |
| #define I40E_IEEE_PFC_MBC_MASK BIT(I40E_IEEE_PFC_MBC_SHIFT) |
| #define I40E_IEEE_PFC_WILLING_SHIFT 7 |
| #define I40E_IEEE_PFC_WILLING_MASK BIT(I40E_IEEE_PFC_WILLING_SHIFT) |
| |
| /* Defines for IEEE APP TLV */ |
| #define I40E_IEEE_APP_SEL_SHIFT 0 |
| #define I40E_IEEE_APP_SEL_MASK (0x7 << I40E_IEEE_APP_SEL_SHIFT) |
| #define I40E_IEEE_APP_PRIO_SHIFT 5 |
| #define I40E_IEEE_APP_PRIO_MASK (0x7 << I40E_IEEE_APP_PRIO_SHIFT) |
| |
| /* TLV definitions for preparing MIB */ |
| #define I40E_TLV_ID_CHASSIS_ID 0 |
| #define I40E_TLV_ID_PORT_ID 1 |
| #define I40E_TLV_ID_TIME_TO_LIVE 2 |
| #define I40E_IEEE_TLV_ID_ETS_CFG 3 |
| #define I40E_IEEE_TLV_ID_ETS_REC 4 |
| #define I40E_IEEE_TLV_ID_PFC_CFG 5 |
| #define I40E_IEEE_TLV_ID_APP_PRI 6 |
| #define I40E_TLV_ID_END_OF_LLDPPDU 7 |
| #define I40E_TLV_ID_START I40E_IEEE_TLV_ID_ETS_CFG |
| |
| #define I40E_IEEE_TLV_HEADER_LENGTH 2 |
| #define I40E_IEEE_ETS_TLV_LENGTH 25 |
| #define I40E_IEEE_PFC_TLV_LENGTH 6 |
| #define I40E_IEEE_APP_TLV_LENGTH 11 |
| |
| /* Defines for default SW DCB config */ |
| #define I40E_IEEE_DEFAULT_ETS_TCBW 100 |
| #define I40E_IEEE_DEFAULT_ETS_WILLING 1 |
| #define I40E_IEEE_DEFAULT_PFC_WILLING 1 |
| #define I40E_IEEE_DEFAULT_NUM_APPS 1 |
| #define I40E_IEEE_DEFAULT_APP_PRIO 3 |
| |
| #pragma pack(1) |
| /* IEEE 802.1AB LLDP Organization specific TLV */ |
| struct i40e_lldp_org_tlv { |
| __be16 typelength; |
| __be32 ouisubtype; |
| u8 tlvinfo[1]; |
| }; |
| |
| struct i40e_cee_tlv_hdr { |
| __be16 typelen; |
| u8 operver; |
| u8 maxver; |
| }; |
| |
| struct i40e_cee_ctrl_tlv { |
| struct i40e_cee_tlv_hdr hdr; |
| __be32 seqno; |
| __be32 ackno; |
| }; |
| |
| struct i40e_cee_feat_tlv { |
| struct i40e_cee_tlv_hdr hdr; |
| u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */ |
| #define I40E_CEE_FEAT_TLV_ENABLE_MASK 0x80 |
| #define I40E_CEE_FEAT_TLV_WILLING_MASK 0x40 |
| #define I40E_CEE_FEAT_TLV_ERR_MASK 0x20 |
| u8 subtype; |
| u8 tlvinfo[1]; |
| }; |
| |
| struct i40e_cee_app_prio { |
| __be16 protocol; |
| u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */ |
| #define I40E_CEE_APP_SELECTOR_MASK 0x03 |
| __be16 lower_oui; |
| u8 prio_map; |
| }; |
| #pragma pack() |
| |
| enum i40e_get_fw_lldp_status_resp { |
| I40E_GET_FW_LLDP_STATUS_DISABLED = 0, |
| I40E_GET_FW_LLDP_STATUS_ENABLED = 1 |
| }; |
| |
| /* Data structures to pass for SW DCBX */ |
| struct i40e_rx_pb_config { |
| u32 shared_pool_size; |
| u32 shared_pool_high_wm; |
| u32 shared_pool_low_wm; |
| u32 shared_pool_high_thresh[I40E_MAX_TRAFFIC_CLASS]; |
| u32 shared_pool_low_thresh[I40E_MAX_TRAFFIC_CLASS]; |
| u32 tc_pool_size[I40E_MAX_TRAFFIC_CLASS]; |
| u32 tc_pool_high_wm[I40E_MAX_TRAFFIC_CLASS]; |
| u32 tc_pool_low_wm[I40E_MAX_TRAFFIC_CLASS]; |
| }; |
| |
| enum i40e_dcb_arbiter_mode { |
| I40E_DCB_ARB_MODE_STRICT_PRIORITY = 0, |
| I40E_DCB_ARB_MODE_ROUND_ROBIN = 1 |
| }; |
| |
| #define I40E_DCB_DEFAULT_MAX_EXPONENT 0xB |
| #define I40E_DEFAULT_PAUSE_TIME 0xffff |
| #define I40E_MAX_FRAME_SIZE 4608 /* 4.5 KB */ |
| |
| #define I40E_DEVICE_RPB_SIZE 968000 /* 968 KB */ |
| |
| /* BitTimes (BT) conversion */ |
| #define I40E_BT2KB(BT) (((BT) + (8 * 1024 - 1)) / (8 * 1024)) |
| #define I40E_B2BT(BT) ((BT) * 8) |
| #define I40E_BT2B(BT) (((BT) + (8 - 1)) / 8) |
| |
| /* Max Frame(TC) = MFS(max) + MFS(TC) */ |
| #define I40E_MAX_FRAME_TC(mfs_max, mfs_tc) I40E_B2BT((mfs_max) + (mfs_tc)) |
| |
| /* EEE Tx LPI Exit time in Bit Times */ |
| #define I40E_EEE_TX_LPI_EXIT_TIME 142500 |
| |
| /* PCI Round Trip Time in Bit Times */ |
| #define I40E_PCIRTT_LINK_SPEED_10G 20000 |
| #define I40E_PCIRTT_BYTE_LINK_SPEED_20G 40000 |
| #define I40E_PCIRTT_BYTE_LINK_SPEED_40G 80000 |
| |
| /* PFC Frame Delay Bit Times */ |
| #define I40E_PFC_FRAME_DELAY 672 |
| |
| /* Worst case Cable (10GBase-T) Delay Bit Times */ |
| #define I40E_CABLE_DELAY 5556 |
| |
| /* Higher Layer Delay @10G Bit Times */ |
| #define I40E_HIGHER_LAYER_DELAY_10G 6144 |
| |
| /* Interface Delays in Bit Times */ |
| /* TODO: Add for other link speeds 20G/40G/etc. */ |
| #define I40E_INTERFACE_DELAY_10G_MAC_CONTROL 8192 |
| #define I40E_INTERFACE_DELAY_10G_MAC 8192 |
| #define I40E_INTERFACE_DELAY_10G_RS 8192 |
| |
| #define I40E_INTERFACE_DELAY_XGXS 2048 |
| #define I40E_INTERFACE_DELAY_XAUI 2048 |
| |
| #define I40E_INTERFACE_DELAY_10G_BASEX_PCS 2048 |
| #define I40E_INTERFACE_DELAY_10G_BASER_PCS 3584 |
| #define I40E_INTERFACE_DELAY_LX4_PMD 512 |
| #define I40E_INTERFACE_DELAY_CX4_PMD 512 |
| #define I40E_INTERFACE_DELAY_SERIAL_PMA 512 |
| #define I40E_INTERFACE_DELAY_PMD 512 |
| |
| #define I40E_INTERFACE_DELAY_10G_BASET 25600 |
| |
| /* Hardware RX DCB config related defines */ |
| #define I40E_DCB_1_PORT_THRESHOLD 0xF |
| #define I40E_DCB_1_PORT_FIFO_SIZE 0x10 |
| #define I40E_DCB_2_PORT_THRESHOLD_LOW_NUM_TC 0xF |
| #define I40E_DCB_2_PORT_FIFO_SIZE_LOW_NUM_TC 0x10 |
| #define I40E_DCB_2_PORT_THRESHOLD_HIGH_NUM_TC 0xC |
| #define I40E_DCB_2_PORT_FIFO_SIZE_HIGH_NUM_TC 0x8 |
| #define I40E_DCB_4_PORT_THRESHOLD_LOW_NUM_TC 0x9 |
| #define I40E_DCB_4_PORT_FIFO_SIZE_LOW_NUM_TC 0x8 |
| #define I40E_DCB_4_PORT_THRESHOLD_HIGH_NUM_TC 0x6 |
| #define I40E_DCB_4_PORT_FIFO_SIZE_HIGH_NUM_TC 0x4 |
| #define I40E_DCB_WATERMARK_START_FACTOR 0x2 |
| |
| /* delay values for with 10G BaseT in Bit Times */ |
| #define I40E_INTERFACE_DELAY_10G_COPPER \ |
| (I40E_INTERFACE_DELAY_10G_MAC + (2 * I40E_INTERFACE_DELAY_XAUI) \ |
| + I40E_INTERFACE_DELAY_10G_BASET) |
| #define I40E_DV_TC(mfs_max, mfs_tc) \ |
| ((2 * I40E_MAX_FRAME_TC(mfs_max, mfs_tc)) \ |
| + I40E_PFC_FRAME_DELAY \ |
| + (2 * I40E_CABLE_DELAY) \ |
| + (2 * I40E_INTERFACE_DELAY_10G_COPPER) \ |
| + I40E_HIGHER_LAYER_DELAY_10G) |
| static inline u32 I40E_STD_DV_TC(u32 mfs_max, u32 mfs_tc) |
| { |
| return I40E_DV_TC(mfs_max, mfs_tc) + I40E_B2BT(mfs_max); |
| } |
| |
| /* APIs for SW DCBX */ |
| void i40e_dcb_hw_rx_fifo_config(struct i40e_hw *hw, |
| enum i40e_dcb_arbiter_mode ets_mode, |
| enum i40e_dcb_arbiter_mode non_ets_mode, |
| u32 max_exponent, u8 lltc_map); |
| void i40e_dcb_hw_rx_cmd_monitor_config(struct i40e_hw *hw, |
| u8 num_tc, u8 num_ports); |
| void i40e_dcb_hw_pfc_config(struct i40e_hw *hw, |
| u8 pfc_en, u8 *prio_tc); |
| void i40e_dcb_hw_set_num_tc(struct i40e_hw *hw, u8 num_tc); |
| u8 i40e_dcb_hw_get_num_tc(struct i40e_hw *hw); |
| void i40e_dcb_hw_rx_ets_bw_config(struct i40e_hw *hw, u8 *bw_share, |
| u8 *mode, u8 *prio_type); |
| void i40e_dcb_hw_rx_up2tc_config(struct i40e_hw *hw, u8 *prio_tc); |
| void i40e_dcb_hw_calculate_pool_sizes(struct i40e_hw *hw, |
| u8 num_ports, bool eee_enabled, |
| u8 pfc_en, u32 *mfs_tc, |
| struct i40e_rx_pb_config *pb_cfg); |
| void i40e_dcb_hw_rx_pb_config(struct i40e_hw *hw, |
| struct i40e_rx_pb_config *old_pb_cfg, |
| struct i40e_rx_pb_config *new_pb_cfg); |
| int i40e_get_dcbx_status(struct i40e_hw *hw, |
| u16 *status); |
| int i40e_lldp_to_dcb_config(u8 *lldpmib, |
| struct i40e_dcbx_config *dcbcfg); |
| int i40e_aq_get_dcb_config(struct i40e_hw *hw, u8 mib_type, |
| u8 bridgetype, |
| struct i40e_dcbx_config *dcbcfg); |
| int i40e_get_dcb_config(struct i40e_hw *hw); |
| int i40e_init_dcb(struct i40e_hw *hw, |
| bool enable_mib_change); |
| int |
| i40e_get_fw_lldp_status(struct i40e_hw *hw, |
| enum i40e_get_fw_lldp_status_resp *lldp_status); |
| int i40e_set_dcb_config(struct i40e_hw *hw); |
| int i40e_dcb_config_to_lldp(u8 *lldpmib, u16 *miblen, |
| struct i40e_dcbx_config *dcbcfg); |
| #endif /* _I40E_DCB_H_ */ |
