drivers/net/ethernet/qlogic/qed/qed_ooo.h

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/qlogic/qed/qed_ooo.h

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/qlogic/qed/qed_ooo.h
Extension
.h
Size
4888 bytes
Lines
173
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 qed_ooo_buffer {
	struct list_head list_entry;
	void *rx_buffer_virt_addr;
	dma_addr_t rx_buffer_phys_addr;
	u32 rx_buffer_size;
	u16 packet_length;
	u16 parse_flags;
	u16 vlan;
	u8 placement_offset;
};

struct qed_ooo_isle {
	struct list_head list_entry;
	struct list_head buffers_list;
};

struct qed_ooo_archipelago {
	struct list_head isles_list;
};

struct qed_ooo_history {
	struct ooo_opaque *p_cqes;
	u32 head_idx;
	u32 num_of_cqes;
};

struct qed_ooo_info {
	struct list_head free_buffers_list;
	struct list_head ready_buffers_list;
	struct list_head free_isles_list;
	struct qed_ooo_archipelago *p_archipelagos_mem;
	struct qed_ooo_isle *p_isles_mem;
	struct qed_ooo_history ooo_history;
	u32 cur_isles_number;
	u32 max_isles_number;
	u32 gen_isles_number;
	u16 max_num_archipelagos;
	u16 cid_base;
};

#if IS_ENABLED(CONFIG_QED_OOO)
void qed_ooo_save_history_entry(struct qed_hwfn *p_hwfn,
				struct qed_ooo_info *p_ooo_info,
				struct ooo_opaque *p_cqe);

int qed_ooo_alloc(struct qed_hwfn *p_hwfn);

void qed_ooo_setup(struct qed_hwfn *p_hwfn);

void qed_ooo_free(struct qed_hwfn *p_hwfn);

void qed_ooo_release_connection_isles(struct qed_hwfn *p_hwfn,
				      struct qed_ooo_info *p_ooo_info,
				      u32 cid);

void qed_ooo_release_all_isles(struct qed_hwfn *p_hwfn,
			       struct qed_ooo_info *p_ooo_info);

void qed_ooo_put_free_buffer(struct qed_hwfn *p_hwfn,
			     struct qed_ooo_info *p_ooo_info,
			     struct qed_ooo_buffer *p_buffer);

struct qed_ooo_buffer *
qed_ooo_get_free_buffer(struct qed_hwfn *p_hwfn,
			struct qed_ooo_info *p_ooo_info);

void qed_ooo_put_ready_buffer(struct qed_hwfn *p_hwfn,
			      struct qed_ooo_info *p_ooo_info,
			      struct qed_ooo_buffer *p_buffer, u8 on_tail);

struct qed_ooo_buffer *
qed_ooo_get_ready_buffer(struct qed_hwfn *p_hwfn,
			 struct qed_ooo_info *p_ooo_info);

void qed_ooo_delete_isles(struct qed_hwfn *p_hwfn,
			  struct qed_ooo_info *p_ooo_info,
			  u32 cid, u8 drop_isle, u8 drop_size);

void qed_ooo_add_new_isle(struct qed_hwfn *p_hwfn,
			  struct qed_ooo_info *p_ooo_info,
			  u32 cid,
			  u8 ooo_isle, struct qed_ooo_buffer *p_buffer);

void qed_ooo_add_new_buffer(struct qed_hwfn *p_hwfn,
			    struct qed_ooo_info *p_ooo_info,
			    u32 cid,
			    u8 ooo_isle,
			    struct qed_ooo_buffer *p_buffer, u8 buffer_side);

void qed_ooo_join_isles(struct qed_hwfn *p_hwfn,

Annotation

Implementation Notes