drivers/net/vmxnet3/vmxnet3_ethtool.c

Source file repositories/reference/linux-study-clean/drivers/net/vmxnet3/vmxnet3_ethtool.c

File Facts

System
Linux kernel
Corpus path
drivers/net/vmxnet3/vmxnet3_ethtool.c
Extension
.c
Size
42459 bytes
Lines
1342
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 vmxnet3_stat_desc {
	char desc[ETH_GSTRING_LEN];
	int  offset;
};


/* per tq stats maintained by the device */
static const struct vmxnet3_stat_desc
vmxnet3_tq_dev_stats[] = {
	/* description,         offset */
	{ "Tx Queue#",        0 },
	{ "  TSO pkts tx",	offsetof(struct UPT1_TxStats, TSOPktsTxOK) },
	{ "  TSO bytes tx",	offsetof(struct UPT1_TxStats, TSOBytesTxOK) },
	{ "  ucast pkts tx",	offsetof(struct UPT1_TxStats, ucastPktsTxOK) },
	{ "  ucast bytes tx",	offsetof(struct UPT1_TxStats, ucastBytesTxOK) },
	{ "  mcast pkts tx",	offsetof(struct UPT1_TxStats, mcastPktsTxOK) },
	{ "  mcast bytes tx",	offsetof(struct UPT1_TxStats, mcastBytesTxOK) },
	{ "  bcast pkts tx",	offsetof(struct UPT1_TxStats, bcastPktsTxOK) },
	{ "  bcast bytes tx",	offsetof(struct UPT1_TxStats, bcastBytesTxOK) },
	{ "  pkts tx err",	offsetof(struct UPT1_TxStats, pktsTxError) },
	{ "  pkts tx discard",	offsetof(struct UPT1_TxStats, pktsTxDiscard) },
};

/* per tq stats maintained by the driver */
static const struct vmxnet3_stat_desc
vmxnet3_tq_driver_stats[] = {
	/* description,         offset */
	{"  drv dropped tx total",	offsetof(struct vmxnet3_tq_driver_stats,
						 drop_total) },
	{ "     too many frags", offsetof(struct vmxnet3_tq_driver_stats,
					  drop_too_many_frags) },
	{ "     giant hdr",	offsetof(struct vmxnet3_tq_driver_stats,
					 drop_oversized_hdr) },
	{ "     hdr err",	offsetof(struct vmxnet3_tq_driver_stats,
					 drop_hdr_inspect_err) },
	{ "     tso",		offsetof(struct vmxnet3_tq_driver_stats,
					 drop_tso) },
	{ "  ring full",	offsetof(struct vmxnet3_tq_driver_stats,
					 tx_ring_full) },
	{ "  pkts linearized",	offsetof(struct vmxnet3_tq_driver_stats,
					 linearized) },
	{ "  hdr cloned",	offsetof(struct vmxnet3_tq_driver_stats,
					 copy_skb_header) },
	{ "  giant hdr",	offsetof(struct vmxnet3_tq_driver_stats,
					 oversized_hdr) },
	{ "  xdp xmit",		offsetof(struct vmxnet3_tq_driver_stats,
					 xdp_xmit) },
	{ "  xdp xmit err",	offsetof(struct vmxnet3_tq_driver_stats,
					 xdp_xmit_err) },
};

/* per rq stats maintained by the device */
static const struct vmxnet3_stat_desc
vmxnet3_rq_dev_stats[] = {
	{ "Rx Queue#",        0 },
	{ "  LRO pkts rx",	offsetof(struct UPT1_RxStats, LROPktsRxOK) },
	{ "  LRO byte rx",	offsetof(struct UPT1_RxStats, LROBytesRxOK) },
	{ "  ucast pkts rx",	offsetof(struct UPT1_RxStats, ucastPktsRxOK) },
	{ "  ucast bytes rx",	offsetof(struct UPT1_RxStats, ucastBytesRxOK) },
	{ "  mcast pkts rx",	offsetof(struct UPT1_RxStats, mcastPktsRxOK) },
	{ "  mcast bytes rx",	offsetof(struct UPT1_RxStats, mcastBytesRxOK) },
	{ "  bcast pkts rx",	offsetof(struct UPT1_RxStats, bcastPktsRxOK) },
	{ "  bcast bytes rx",	offsetof(struct UPT1_RxStats, bcastBytesRxOK) },
	{ "  pkts rx OOB",	offsetof(struct UPT1_RxStats, pktsRxOutOfBuf) },
	{ "  pkts rx err",	offsetof(struct UPT1_RxStats, pktsRxError) },
};

/* per rq stats maintained by the driver */
static const struct vmxnet3_stat_desc
vmxnet3_rq_driver_stats[] = {
	/* description,         offset */
	{ "  drv dropped rx total", offsetof(struct vmxnet3_rq_driver_stats,
					     drop_total) },
	{ "     err",		offsetof(struct vmxnet3_rq_driver_stats,
					 drop_err) },
	{ "     fcs",		offsetof(struct vmxnet3_rq_driver_stats,
					 drop_fcs) },
	{ "  rx buf alloc fail", offsetof(struct vmxnet3_rq_driver_stats,
					  rx_buf_alloc_failure) },
	{ "     xdp packets", offsetof(struct vmxnet3_rq_driver_stats,
				       xdp_packets) },
	{ "     xdp tx", offsetof(struct vmxnet3_rq_driver_stats,
				  xdp_tx) },
	{ "     xdp redirects", offsetof(struct vmxnet3_rq_driver_stats,
					 xdp_redirects) },
	{ "     xdp drops", offsetof(struct vmxnet3_rq_driver_stats,
				     xdp_drops) },
	{ "     xdp aborted", offsetof(struct vmxnet3_rq_driver_stats,
				       xdp_aborted) },
};

Annotation

Implementation Notes