linux/drivers/net/ethernet/intel/ice/ice_dcb.h
Bruce Allan 66486d8943 ice: replace single-element array used for C struct hack
Convert the pre-C90-extension "C struct hack" method (using a single-
element array at the end of a structure for implementing variable-length
types) to the preferred use of C99 flexible array member.

Additional code cleanups were done near areas affected by this change.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-01 16:35:23 -07:00

181 lines
5.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2019, Intel Corporation. */
#ifndef _ICE_DCB_H_
#define _ICE_DCB_H_
#include "ice_type.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_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_IEEE_ETS_TLV_LEN 25
#define ICE_IEEE_PFC_TLV_LEN 6
#define ICE_IEEE_APP_TLV_LEN 11
/* 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;
enum ice_status
ice_aq_get_dcb_cfg(struct ice_hw *hw, u8 mib_type, u8 bridgetype,
struct ice_dcbx_cfg *dcbcfg);
enum ice_status ice_get_dcb_cfg(struct ice_port_info *pi);
enum ice_status ice_set_dcb_cfg(struct ice_port_info *pi);
enum ice_status ice_init_dcb(struct ice_hw *hw, bool enable_mib_change);
enum ice_status
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
enum ice_status
ice_aq_stop_lldp(struct ice_hw *hw, bool shutdown_lldp_agent, bool persist,
struct ice_sq_cd *cd);
enum ice_status
ice_aq_start_lldp(struct ice_hw *hw, bool persist, struct ice_sq_cd *cd);
enum ice_status
ice_aq_start_stop_dcbx(struct ice_hw *hw, bool start_dcbx_agent,
bool *dcbx_agent_status, struct ice_sq_cd *cd);
enum ice_status ice_cfg_lldp_mib_change(struct ice_hw *hw, bool ena_mib);
#else /* CONFIG_DCB */
static inline enum ice_status
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 enum ice_status
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 enum ice_status
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 enum ice_status
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_ */