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-rw-r--r--drivers/net/ethernet/intel/ice/ice_dcb.h198
1 files changed, 198 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb.h b/drivers/net/ethernet/intel/ice/ice_dcb.h
new file mode 100644
index 000000000..6abf28a14
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_dcb.h
@@ -0,0 +1,198 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019, Intel Corporation. */
+
+#ifndef _ICE_DCB_H_
+#define _ICE_DCB_H_
+
+#include "ice_type.h"
+#include <scsi/iscsi_proto.h>
+
+#define ICE_DCBX_STATUS_NOT_STARTED 0
+#define ICE_DCBX_STATUS_IN_PROGRESS 1
+#define ICE_DCBX_STATUS_DONE 2
+#define ICE_DCBX_STATUS_DIS 7
+
+#define ICE_TLV_TYPE_END 0
+#define ICE_TLV_TYPE_ORG 127
+
+#define ICE_IEEE_8021QAZ_OUI 0x0080C2
+#define ICE_IEEE_SUBTYPE_ETS_CFG 9
+#define ICE_IEEE_SUBTYPE_ETS_REC 10
+#define ICE_IEEE_SUBTYPE_PFC_CFG 11
+#define ICE_IEEE_SUBTYPE_APP_PRI 12
+
+#define ICE_CEE_DCBX_OUI 0x001B21
+#define ICE_CEE_DCBX_TYPE 2
+
+#define ICE_DSCP_OUI 0xFFFFFF
+#define ICE_DSCP_SUBTYPE_DSCP2UP 0x41
+#define ICE_DSCP_SUBTYPE_ENFORCE 0x42
+#define ICE_DSCP_SUBTYPE_TCBW 0x43
+#define ICE_DSCP_SUBTYPE_PFC 0x44
+#define ICE_DSCP_IPV6_OFFSET 80
+
+#define ICE_CEE_SUBTYPE_PG_CFG 2
+#define ICE_CEE_SUBTYPE_PFC_CFG 3
+#define ICE_CEE_SUBTYPE_APP_PRI 4
+#define ICE_CEE_MAX_FEAT_TYPE 3
+/* Defines for LLDP TLV header */
+#define ICE_LLDP_TLV_LEN_S 0
+#define ICE_LLDP_TLV_LEN_M (0x01FF << ICE_LLDP_TLV_LEN_S)
+#define ICE_LLDP_TLV_TYPE_S 9
+#define ICE_LLDP_TLV_TYPE_M (0x7F << ICE_LLDP_TLV_TYPE_S)
+#define ICE_LLDP_TLV_SUBTYPE_S 0
+#define ICE_LLDP_TLV_SUBTYPE_M (0xFF << ICE_LLDP_TLV_SUBTYPE_S)
+#define ICE_LLDP_TLV_OUI_S 8
+#define ICE_LLDP_TLV_OUI_M (0xFFFFFFUL << ICE_LLDP_TLV_OUI_S)
+
+/* Defines for IEEE ETS TLV */
+#define ICE_IEEE_ETS_MAXTC_S 0
+#define ICE_IEEE_ETS_MAXTC_M (0x7 << ICE_IEEE_ETS_MAXTC_S)
+#define ICE_IEEE_ETS_CBS_S 6
+#define ICE_IEEE_ETS_CBS_M BIT(ICE_IEEE_ETS_CBS_S)
+#define ICE_IEEE_ETS_WILLING_S 7
+#define ICE_IEEE_ETS_WILLING_M BIT(ICE_IEEE_ETS_WILLING_S)
+#define ICE_IEEE_ETS_PRIO_0_S 0
+#define ICE_IEEE_ETS_PRIO_0_M (0x7 << ICE_IEEE_ETS_PRIO_0_S)
+#define ICE_IEEE_ETS_PRIO_1_S 4
+#define ICE_IEEE_ETS_PRIO_1_M (0x7 << ICE_IEEE_ETS_PRIO_1_S)
+#define ICE_CEE_PGID_PRIO_0_S 0
+#define ICE_CEE_PGID_PRIO_0_M (0xF << ICE_CEE_PGID_PRIO_0_S)
+#define ICE_CEE_PGID_PRIO_1_S 4
+#define ICE_CEE_PGID_PRIO_1_M (0xF << ICE_CEE_PGID_PRIO_1_S)
+#define ICE_CEE_PGID_STRICT 15
+
+/* Defines for IEEE TSA types */
+#define ICE_IEEE_TSA_STRICT 0
+#define ICE_IEEE_TSA_ETS 2
+
+/* Defines for IEEE PFC TLV */
+#define ICE_IEEE_PFC_CAP_S 0
+#define ICE_IEEE_PFC_CAP_M (0xF << ICE_IEEE_PFC_CAP_S)
+#define ICE_IEEE_PFC_MBC_S 6
+#define ICE_IEEE_PFC_MBC_M BIT(ICE_IEEE_PFC_MBC_S)
+#define ICE_IEEE_PFC_WILLING_S 7
+#define ICE_IEEE_PFC_WILLING_M BIT(ICE_IEEE_PFC_WILLING_S)
+
+/* Defines for IEEE APP TLV */
+#define ICE_IEEE_APP_SEL_S 0
+#define ICE_IEEE_APP_SEL_M (0x7 << ICE_IEEE_APP_SEL_S)
+#define ICE_IEEE_APP_PRIO_S 5
+#define ICE_IEEE_APP_PRIO_M (0x7 << ICE_IEEE_APP_PRIO_S)
+
+/* TLV definitions for preparing MIB */
+#define ICE_IEEE_TLV_ID_ETS_CFG 3
+#define ICE_IEEE_TLV_ID_ETS_REC 4
+#define ICE_IEEE_TLV_ID_PFC_CFG 5
+#define ICE_IEEE_TLV_ID_APP_PRI 6
+#define ICE_TLV_ID_END_OF_LLDPPDU 7
+#define ICE_TLV_ID_START ICE_IEEE_TLV_ID_ETS_CFG
+#define ICE_TLV_ID_DSCP_UP 3
+#define ICE_TLV_ID_DSCP_ENF 4
+#define ICE_TLV_ID_DSCP_TC_BW 5
+#define ICE_TLV_ID_DSCP_TO_PFC 6
+
+#define ICE_IEEE_ETS_TLV_LEN 25
+#define ICE_IEEE_PFC_TLV_LEN 6
+#define ICE_IEEE_APP_TLV_LEN 11
+
+#define ICE_DSCP_UP_TLV_LEN 148
+#define ICE_DSCP_ENF_TLV_LEN 132
+#define ICE_DSCP_TC_BW_TLV_LEN 25
+#define ICE_DSCP_PFC_TLV_LEN 6
+
+/* IEEE 802.1AB LLDP Organization specific TLV */
+struct ice_lldp_org_tlv {
+ __be16 typelen;
+ __be32 ouisubtype;
+ u8 tlvinfo[];
+} __packed;
+
+struct ice_cee_tlv_hdr {
+ __be16 typelen;
+ u8 operver;
+ u8 maxver;
+};
+
+struct ice_cee_ctrl_tlv {
+ struct ice_cee_tlv_hdr hdr;
+ __be32 seqno;
+ __be32 ackno;
+};
+
+struct ice_cee_feat_tlv {
+ struct ice_cee_tlv_hdr hdr;
+ u8 en_will_err; /* Bits: |En|Will|Err|Reserved(5)| */
+#define ICE_CEE_FEAT_TLV_ENA_M 0x80
+#define ICE_CEE_FEAT_TLV_WILLING_M 0x40
+#define ICE_CEE_FEAT_TLV_ERR_M 0x20
+ u8 subtype;
+ u8 tlvinfo[];
+};
+
+struct ice_cee_app_prio {
+ __be16 protocol;
+ u8 upper_oui_sel; /* Bits: |Upper OUI(6)|Selector(2)| */
+#define ICE_CEE_APP_SELECTOR_M 0x03
+ __be16 lower_oui;
+ u8 prio_map;
+} __packed;
+
+int ice_aq_set_pfc_mode(struct ice_hw *hw, u8 pfc_mode, struct ice_sq_cd *cd);
+int
+ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
+ struct ice_dcbx_cfg *dcbcfg);
+int ice_get_dcb_cfg(struct ice_port_info *pi);
+int ice_set_dcb_cfg(struct ice_port_info *pi);
+int ice_init_dcb(struct ice_hw *hw, bool enable_mib_change);
+int
+ice_query_port_ets(struct ice_port_info *pi,
+ struct ice_aqc_port_ets_elem *buf, u16 buf_size,
+ struct ice_sq_cd *cmd_details);
+#ifdef CONFIG_DCB
+int
+ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist,
+ struct ice_sq_cd *cd);
+int ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd);
+int
+ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent,
+ bool *dcbx_agent_status, struct ice_sq_cd *cd);
+int ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib);
+#else /* CONFIG_DCB */
+static inline int
+ice_aq_stop_lldp(struct ice_hw __always_unused *hw,
+ bool __always_unused shutdown_lldp_agent,
+ bool __always_unused persist,
+ struct ice_sq_cd __always_unused *cd)
+{
+ return 0;
+}
+
+static inline int
+ice_aq_start_lldp(struct ice_hw __always_unused *hw,
+ bool __always_unused persist,
+ struct ice_sq_cd __always_unused *cd)
+{
+ return 0;
+}
+
+static inline int
+ice_aq_start_stop_dcbx(struct ice_hw __always_unused *hw,
+ bool __always_unused start_dcbx_agent,
+ bool *dcbx_agent_status,
+ struct ice_sq_cd __always_unused *cd)
+{
+ *dcbx_agent_status = false;
+
+ return 0;
+}
+
+static inline int
+ice_cfg_lldp_mib_change(struct ice_hw __always_unused *hw,
+ bool __always_unused ena_mib)
+{
+ return 0;
+}
+
+#endif /* CONFIG_DCB */
+#endif /* _ICE_DCB_H_ */