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[intelxl] Show virtual function packet statistics for debugging 

Signed-off-by: Michael Brown <mcb30@ipxe.org>
pull/697/head^2
Michael Brown 2022-08-16 13:21:49 +01:00
parent cad1cc6b44
commit b52ea20841
2 changed files with 88 additions and 0 deletions
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59
src/drivers/net/intelxlvf.c
View File

@ -391,6 +391,57 @@ static int intelxlvf_admin_get_resources ( struct net_device *netdev ) {
return 0;
}
/**
* Get statistics (for debugging)
*
* @v netdev Network device
* @ret rc Return status code
*/
static int intelxlvf_admin_stats ( struct net_device *netdev ) {
struct intelxl_nic *intelxl = netdev->priv;
struct intelxlvf_admin_descriptor *cmd;
union intelxlvf_admin_buffer *buf;
struct intelxlvf_admin_stats *tx;
struct intelxlvf_admin_stats *rx;
int rc;
/* Populate descriptor */
cmd = intelxlvf_admin_command_descriptor ( intelxl );
cmd->vopcode = cpu_to_le32 ( INTELXLVF_ADMIN_GET_STATS );
cmd->flags = cpu_to_le16 ( INTELXL_ADMIN_FL_RD | INTELXL_ADMIN_FL_BUF );
cmd->len = cpu_to_le16 ( sizeof ( buf->queues ) );
buf = intelxlvf_admin_command_buffer ( intelxl );
buf->queues.vsi = cpu_to_le16 ( intelxl->vsi );
tx = &buf->stats.tx;
rx = &buf->stats.rx;
/* Issue command */
if ( ( rc = intelxlvf_admin_command ( netdev ) ) != 0 )
return rc;
DBGC ( intelxl, "INTELXL %p TX bytes %#llx discards %#llx errors "
"%#llx\n", intelxl,
( ( unsigned long long ) le64_to_cpu ( tx->bytes ) ),
( ( unsigned long long ) le64_to_cpu ( tx->discards ) ),
( ( unsigned long long ) le64_to_cpu ( tx->errors ) ) );
DBGC ( intelxl, "INTELXL %p TX unicasts %#llx multicasts %#llx "
"broadcasts %#llx\n", intelxl,
( ( unsigned long long ) le64_to_cpu ( tx->unicasts ) ),
( ( unsigned long long ) le64_to_cpu ( tx->multicasts ) ),
( ( unsigned long long ) le64_to_cpu ( tx->broadcasts ) ) );
DBGC ( intelxl, "INTELXL %p RX bytes %#llx discards %#llx errors "
"%#llx\n", intelxl,
( ( unsigned long long ) le64_to_cpu ( rx->bytes ) ),
( ( unsigned long long ) le64_to_cpu ( rx->discards ) ),
( ( unsigned long long ) le64_to_cpu ( rx->errors ) ) );
DBGC ( intelxl, "INTELXL %p RX unicasts %#llx multicasts %#llx "
"broadcasts %#llx\n", intelxl,
( ( unsigned long long ) le64_to_cpu ( rx->unicasts ) ),
( ( unsigned long long ) le64_to_cpu ( rx->multicasts ) ),
( ( unsigned long long ) le64_to_cpu ( rx->broadcasts ) ) );
return 0;
}
/******************************************************************************
*
* Network device interface
@ -565,6 +616,10 @@ static int intelxlvf_open ( struct net_device *netdev ) {
if ( ( rc = intelxlvf_admin_promisc ( netdev ) ) != 0 )
goto err_promisc;
/* Reset statistics counters (if debugging) */
if ( DBG_LOG )
intelxlvf_admin_stats ( netdev );
return 0;
err_promisc:
@ -588,6 +643,10 @@ static void intelxlvf_close ( struct net_device *netdev ) {
struct intelxl_nic *intelxl = netdev->priv;
int rc;
/* Show statistics (if debugging) */
if ( DBG_LOG )
intelxlvf_admin_stats ( netdev );
/* Disable queues */
if ( ( rc = intelxlvf_admin_queues ( netdev, 0 ) ) != 0 ) {
/* Leak memory; there's nothing else we can do */

29
src/drivers/net/intelxlvf.h
View File

@ -253,6 +253,33 @@ struct intelxlvf_admin_promisc_buffer {
uint16_t flags;
} __attribute__ (( packed ));
/** Admin Queue VF Get Statistics opcode */
#define INTELXLVF_ADMIN_GET_STATS 0x0000000f
/** VF statistics */
struct intelxlvf_admin_stats {
/** Bytes */
uint64_t bytes;
/** Unicast packets */
uint64_t unicasts;
/** Multicast packets */
uint64_t multicasts;
/** Broadcast packets */
uint64_t broadcasts;
/** Discarded packets */
uint64_t discards;
/** Errors */
uint64_t errors;
} __attribute__ (( packed ));
/** Admin Queue VF Get Statistics data buffer */
struct intelxlvf_admin_stats_buffer {
/** Receive statistics */
struct intelxlvf_admin_stats rx;
/** Transmit statistics */
struct intelxlvf_admin_stats tx;
} __attribute__ (( packed ));
/** Admin queue data buffer */
union intelxlvf_admin_buffer {
/** Original 40 Gigabit Ethernet data buffer */
@ -271,6 +298,8 @@ union intelxlvf_admin_buffer {
struct intelxlvf_admin_promisc_buffer promisc;
/** VF IRQ Map data buffer */
struct intelxlvf_admin_irq_map_buffer irq;
/** VF Get Statistics data buffer */
struct intelxlvf_admin_stats_buffer stats;
} __attribute__ (( packed ));
/** Admin queue descriptor */