diff options
Diffstat (limited to 'Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst')
| -rw-r--r-- | Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst | 93 |
1 files changed, 84 insertions, 9 deletions
diff --git a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst index f69ee1ebee01..cc498895f92e 100644 --- a/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst +++ b/Documentation/networking/device_drivers/ethernet/mellanox/mlx5/counters.rst @@ -189,22 +189,19 @@ the software port. * - `rx[i]_gro_packets` - Number of received packets processed using hardware-accelerated GRO. The - number of hardware GRO offloaded packets received on ring i. + number of hardware GRO offloaded packets received on ring i. Only true GRO + packets are counted: only packets that are in an SKB with a GRO count > 1. - Acceleration * - `rx[i]_gro_bytes` - Number of received bytes processed using hardware-accelerated GRO. The - number of hardware GRO offloaded bytes received on ring i. + number of hardware GRO offloaded bytes received on ring i. Only true GRO + packets are counted: only packets that are in an SKB with a GRO count > 1. - Acceleration * - `rx[i]_gro_skbs` - - The number of receive SKBs constructed while performing - hardware-accelerated GRO. - - Informative - - * - `rx[i]_gro_match_packets` - - Number of received packets processed using hardware-accelerated GRO that - met the flow table match criteria. + - The number of GRO SKBs constructed from hardware-accelerated GRO. Only SKBs + with a GRO count > 1 are counted. - Informative * - `rx[i]_gro_large_hds` @@ -212,6 +209,31 @@ the software port. headers that require additional memory to be allocated. - Informative + * - `rx[i]_hds_nodata_packets` + - Number of header only packets in header/data split mode [#accel]_. + - Informative + + * - `rx[i]_hds_nodata_bytes` + - Number of bytes for header only packets in header/data split mode + [#accel]_. + - Informative + + * - `rx[i]_hds_nosplit_packets` + - Number of packets that were not split in header/data split mode. A + packet will not get split when the hardware does not support its + protocol splitting. An example such a protocol is ICMPv4/v6. Currently + TCP and UDP with IPv4/IPv6 are supported for header/data split + [#accel]_. + - Informative + + * - `rx[i]_hds_nosplit_bytes` + - Number of bytes for packets that were not split in header/data split + mode. A packet will not get split when the hardware does not support its + protocol splitting. An example such a protocol is ICMPv4/v6. Currently + TCP and UDP with IPv4/IPv6 are supported for header/data split + [#accel]_. + - Informative + * - `rx[i]_lro_packets` - The number of LRO packets received on ring i [#accel]_. - Acceleration @@ -300,6 +322,11 @@ the software port. in the beginning of the queue. This is a normal condition. - Informative + * - `tx[i]_timestamps` + - Transmitted packets that were hardware timestamped at the device's DMA + layer. + - Informative + * - `tx[i]_added_vlan_packets` - The number of packets sent where vlan tag insertion was offloaded to the hardware. @@ -702,6 +729,12 @@ the software port. the device typically ensures not posting the CQE. - Error + * - `ptp_cq[i]_lost_cqe` + - Number of times a CQE is expected to not be delivered on the PTP + timestamping CQE by the device due to a time delta elapsing. If such a + CQE is somehow delivered, `ptp_cq[i]_late_cqe` is incremented. + - Error + .. [#ring_global] The corresponding ring and global counters do not share the same name (i.e. do not follow the common naming scheme). @@ -1049,6 +1082,11 @@ like flow control, FEC and more. need to replace the cable/transceiver. - Error + * - `total_success_recovery_phy` + - The number of total successful recovery events of any type during + ports reset cycle. + - Error + * - `rx_out_of_buffer` - Number of times receive queue had no software buffers allocated for the adapter's incoming traffic. @@ -1303,3 +1341,40 @@ Device Counters - The number of times the device owned queue had not enough buffers allocated. - Error + + * - `pci_bw_inbound_high` + - The number of times the device crossed the high inbound pcie bandwidth + threshold. To be compared to pci_bw_inbound_low to check if the device + is in a congested state. + If pci_bw_inbound_high == pci_bw_inbound_low then the device is not congested. + If pci_bw_inbound_high > pci_bw_inbound_low then the device is congested. + - Informative + + * - `pci_bw_inbound_low` + - The number of times the device crossed the low inbound PCIe bandwidth + threshold. To be compared to pci_bw_inbound_high to check if the device + is in a congested state. + If pci_bw_inbound_high == pci_bw_inbound_low then the device is not congested. + If pci_bw_inbound_high > pci_bw_inbound_low then the device is congested. + - Informative + + * - `pci_bw_outbound_high` + - The number of times the device crossed the high outbound pcie bandwidth + threshold. To be compared to pci_bw_outbound_low to check if the device + is in a congested state. + If pci_bw_outbound_high == pci_bw_outbound_low then the device is not congested. + If pci_bw_outbound_high > pci_bw_outbound_low then the device is congested. + - Informative + + * - `pci_bw_outbound_low` + - The number of times the device crossed the low outbound PCIe bandwidth + threshold. To be compared to pci_bw_outbound_high to check if the device + is in a congested state. + If pci_bw_outbound_high == pci_bw_outbound_low then the device is not congested. + If pci_bw_outbound_high > pci_bw_outbound_low then the device is congested. + - Informative + + * - `pci_bw_stale_event` + - The number of times the device fired a PCIe congestion event but on query + there was no change in state. + - Informative |