drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.c
Extension
.c
Size
28396 bytes
Lines
1147
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct qlcnic_dcb_capability {
	bool	tsa_capability;
	bool	ets_capability;
	u8	max_num_tc;
	u8	max_ets_tc;
	u8	max_pfc_tc;
	u8	dcb_capability;
};

struct qlcnic_dcb_param {
	u32 hdr_prio_pfc_map[2];
	u32 prio_pg_map[2];
	u32 pg_bw_map[2];
	u32 pg_tsa_map[2];
	u32 app[QLC_DCB_MAX_APP];
};

struct qlcnic_dcb_mbx_params {
	/* 1st local, 2nd operational 3rd remote */
	struct qlcnic_dcb_param type[3];
	u32 prio_tc_map;
};

struct qlcnic_82xx_dcb_param_mbx_le {
	__le32 hdr_prio_pfc_map[2];
	__le32 prio_pg_map[2];
	__le32 pg_bw_map[2];
	__le32 pg_tsa_map[2];
	__le32 app[QLC_DCB_MAX_APP];
};

enum qlcnic_dcb_selector {
	QLC_SELECTOR_DEF = 0x0,
	QLC_SELECTOR_ETHER,
	QLC_SELECTOR_TCP,
	QLC_SELECTOR_UDP,
};

enum qlcnic_dcb_prio_type {
	QLC_PRIO_NONE = 0,
	QLC_PRIO_GROUP,
	QLC_PRIO_LINK,
};

enum qlcnic_dcb_pfc_type {
	QLC_PFC_DISABLED = 0,
	QLC_PFC_FULL,
	QLC_PFC_TX,
	QLC_PFC_RX
};

struct qlcnic_dcb_prio_cfg {
	bool valid;
	enum qlcnic_dcb_pfc_type pfc_type;
};

struct qlcnic_dcb_pg_cfg {
	bool valid;
	u8 total_bw_percent;		/* of Link/ port BW */
	u8 prio_count;
	u8 tsa_type;
};

struct qlcnic_dcb_tc_cfg {
	bool valid;
	struct qlcnic_dcb_prio_cfg prio_cfg[QLC_DCB_MAX_PRIO];
	enum qlcnic_dcb_prio_type prio_type;	/* always prio_link */
	u8 link_percent;			/* % of link bandwidth */
	u8 bwg_percent;				/* % of BWG's bandwidth */
	u8 up_tc_map;
	u8 pgid;
};

struct qlcnic_dcb_app {
	bool valid;
	enum qlcnic_dcb_selector selector;
	u16 protocol;
	u8 priority;
};

struct qlcnic_dcb_cee {
	struct qlcnic_dcb_tc_cfg tc_cfg[QLC_DCB_MAX_TC];
	struct qlcnic_dcb_pg_cfg pg_cfg[QLC_DCB_MAX_PG];
	struct qlcnic_dcb_app app[QLC_DCB_MAX_APP];
	bool tc_param_valid;
	bool pfc_mode_enable;
};

struct qlcnic_dcb_cfg {
	/* 0 - local, 1 - operational, 2 - remote */

Annotation

Implementation Notes