Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 283 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/i40e/i40e_dcb.h b/drivers/net/ethernet/intel/i40e/i40e_dcb.h
new file mode 100644
index 000000000..6b60dc9b7
--- /dev/null
+++ b/drivers/net/ethernet/intel/i40e/i40e_dcb.h
@@ -0,0 +1,283 @@
+/* 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		(0xFFFFFF << 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_ */