diff options
Diffstat (limited to 'src/drivers/net/intelxlvf.c')
| -rw-r--r-- | src/drivers/net/intelxlvf.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/drivers/net/intelxlvf.c b/src/drivers/net/intelxlvf.c index 3567be456..c58520a6f 100644 --- a/src/drivers/net/intelxlvf.c +++ b/src/drivers/net/intelxlvf.c @@ -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 */ |