drivers/net/ethernet/ti/cpsw_ethtool.c

Source file repositories/reference/linux-study-clean/drivers/net/ethernet/ti/cpsw_ethtool.c

File Facts

System
Linux kernel
Corpus path
drivers/net/ethernet/ti/cpsw_ethtool.c
Extension
.c
Size
19996 bytes
Lines
757
Domain
Driver Families
Bucket
drivers/net
Inferred role
Driver Families: exported/initcall integration point
Status
integration 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 cpsw_hw_stats {
	u32	rxgoodframes;
	u32	rxbroadcastframes;
	u32	rxmulticastframes;
	u32	rxpauseframes;
	u32	rxcrcerrors;
	u32	rxaligncodeerrors;
	u32	rxoversizedframes;
	u32	rxjabberframes;
	u32	rxundersizedframes;
	u32	rxfragments;
	u32	__pad_0[2];
	u32	rxoctets;
	u32	txgoodframes;
	u32	txbroadcastframes;
	u32	txmulticastframes;
	u32	txpauseframes;
	u32	txdeferredframes;
	u32	txcollisionframes;
	u32	txsinglecollframes;
	u32	txmultcollframes;
	u32	txexcessivecollisions;
	u32	txlatecollisions;
	u32	txunderrun;
	u32	txcarriersenseerrors;
	u32	txoctets;
	u32	octetframes64;
	u32	octetframes65t127;
	u32	octetframes128t255;
	u32	octetframes256t511;
	u32	octetframes512t1023;
	u32	octetframes1024tup;
	u32	netoctets;
	u32	rxsofoverruns;
	u32	rxmofoverruns;
	u32	rxdmaoverruns;
};

struct cpsw_stats {
	char stat_string[ETH_GSTRING_LEN];
	int type;
	int sizeof_stat;
	int stat_offset;
};

enum {
	CPSW_STATS,
	CPDMA_RX_STATS,
	CPDMA_TX_STATS,
};

#define CPSW_STAT(m)		CPSW_STATS,				\
				sizeof_field(struct cpsw_hw_stats, m), \
				offsetof(struct cpsw_hw_stats, m)
#define CPDMA_RX_STAT(m)	CPDMA_RX_STATS,				   \
				sizeof_field(struct cpdma_chan_stats, m), \
				offsetof(struct cpdma_chan_stats, m)
#define CPDMA_TX_STAT(m)	CPDMA_TX_STATS,				   \
				sizeof_field(struct cpdma_chan_stats, m), \
				offsetof(struct cpdma_chan_stats, m)

static const struct cpsw_stats cpsw_gstrings_stats[] = {
	{ "Good Rx Frames", CPSW_STAT(rxgoodframes) },
	{ "Broadcast Rx Frames", CPSW_STAT(rxbroadcastframes) },
	{ "Multicast Rx Frames", CPSW_STAT(rxmulticastframes) },
	{ "Pause Rx Frames", CPSW_STAT(rxpauseframes) },
	{ "Rx CRC Errors", CPSW_STAT(rxcrcerrors) },
	{ "Rx Align/Code Errors", CPSW_STAT(rxaligncodeerrors) },
	{ "Oversize Rx Frames", CPSW_STAT(rxoversizedframes) },
	{ "Rx Jabbers", CPSW_STAT(rxjabberframes) },
	{ "Undersize (Short) Rx Frames", CPSW_STAT(rxundersizedframes) },
	{ "Rx Fragments", CPSW_STAT(rxfragments) },
	{ "Rx Octets", CPSW_STAT(rxoctets) },
	{ "Good Tx Frames", CPSW_STAT(txgoodframes) },
	{ "Broadcast Tx Frames", CPSW_STAT(txbroadcastframes) },
	{ "Multicast Tx Frames", CPSW_STAT(txmulticastframes) },
	{ "Pause Tx Frames", CPSW_STAT(txpauseframes) },
	{ "Deferred Tx Frames", CPSW_STAT(txdeferredframes) },
	{ "Collisions", CPSW_STAT(txcollisionframes) },
	{ "Single Collision Tx Frames", CPSW_STAT(txsinglecollframes) },
	{ "Multiple Collision Tx Frames", CPSW_STAT(txmultcollframes) },
	{ "Excessive Collisions", CPSW_STAT(txexcessivecollisions) },
	{ "Late Collisions", CPSW_STAT(txlatecollisions) },
	{ "Tx Underrun", CPSW_STAT(txunderrun) },
	{ "Carrier Sense Errors", CPSW_STAT(txcarriersenseerrors) },
	{ "Tx Octets", CPSW_STAT(txoctets) },
	{ "Rx + Tx 64 Octet Frames", CPSW_STAT(octetframes64) },
	{ "Rx + Tx 65-127 Octet Frames", CPSW_STAT(octetframes65t127) },
	{ "Rx + Tx 128-255 Octet Frames", CPSW_STAT(octetframes128t255) },
	{ "Rx + Tx 256-511 Octet Frames", CPSW_STAT(octetframes256t511) },

Annotation

Implementation Notes