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Message-ID: <20080610210918.11186.64253.stgit@dale> Date: Tue, 10 Jun 2008 17:09:18 -0400 From: Ramachandra K <ramachandra.kuchimanchi@...gic.com> To: rdreier@...co.com, general@...ts.openfabrics.org, netdev@...r.kernel.org Cc: poornima.kamath@...gic.com, amar.mudrankit@...gic.com Subject: [PATCH v4 14/14] QLogic VNIC: sysfs Documentation From: Amar Mudrankit <amar.mudrankit@...gic.com> This patch adds the file sysfs-class-infiniband-qlgc-vnic which describes the sysfs files managed by QLogic VNIC. Signed-off-by: Ramachandra K <ramachandra.kuchimanchi@...gic.com> Signed-off-by: Poornima Kamath <poornima.kamath@...gic.com> Signed-off-by: Amar Mudrankit <amar.mudrankit@...gic.com> --- .../ABI/testing/sysfs-class-infiniband-qlgc-vnic | 179 ++++++++++++++++++++ 1 files changed, 179 insertions(+), 0 deletions(-) create mode 100644 Documentation/ABI/testing/sysfs-class-infiniband-qlgc-vnic diff --git a/Documentation/ABI/testing/sysfs-class-infiniband-qlgc-vnic b/Documentation/ABI/testing/sysfs-class-infiniband-qlgc-vnic new file mode 100644 index 0000000..6cf22ac --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-infiniband-qlgc-vnic @@ -0,0 +1,179 @@ +What: /sys/class/infiniband_qlgc_vnic/ +Date: June 2008 +KernelVersion: 2.6.27 +Contact: Ramachandra K <ramachandra.kuchimanchi@...gic.com> +Description: + +sysfs interface: +---------------- + +The QLogic Virtual NIC module when loaded on host creates following set of +files into the sysfs: + +/sys/class/infiniband_qlgc_vnic/interfaces + + create_vnic (0200) To create a new VNIC interface, write the name + of the interface to this file. + + delete_vnic (0200) To delete an existing VNIC interface, write + name of that VNIC interface to this file. + +/sys/class/infiniband_qlgc_vnic/interfaces/<VNIC-interface-name>/ + + vnic_state (0444) State of the VNIC interface. + + current_path (0444) In case of failover configuration, which + connection among the primary and secondary is + currently being used. + + multicast (0644) Get/Set IB multicast value for the VNIC + interface. Only root can Enable/Disable IB + multicast for that VNIC interface. + + rx_csum (0644) Get/Set receive checksum boolean value for VNIC + interface. Only root can Enable/Disable the + receive checksum operation for that VNIC + interface. + + tx_csum (0644) Get/Set transmit checksum boolean value for VNIC + interface. Only root can Enable/Disable the + transmit checksum operation for that VNIC + interface. + +/sys/class/infiniband_qlgc_vnic/interfaces/<VNIC-interface-name>/[primary-secondary]_path + + dgid (0644) Get/set destination GID value for this + connection of VNIC interface. + + hca_info (0444) Get the information about the HCA and IB port + through which this connection has been + configured. + + heartbeat (0644) Get/Set the heartbeat value for this connection + of VNIC interface. + + instance (0644) Get/Set instance number associated with this + connection of VNIC interface. + + ioc_guid (0644) Set/Get GUID value of I/O Controller to which + this connection of VNIC interface should be/is + connecting to. + + ioc_string (0644) Set/Get string value of I/O Controller to which + this connection of VNIC interface should be/is + connecting to. + + link_state (0444) Link state for this connection. + + multicast_state (0444) IB multicast state for this connection. + + pkey (0644) Get/Set pkey value for this connection of VNIC + interface. + + viport_state (0444) Viport state of this connection. + +/sys/class/infiniband_qlgc_vnic/vnic-<HCA-name>-<IB-port-no> + + create_primary (0200) Write the name of the VNIC interface to this + file to create primary connection for VNIC + interface through given HCA and port, once all + parameters required for connection establishment + has been already set into primary_path of the + VNIC interface. + + create_secondary(0200) Write the name of the VNIC interface to this + file to create secondary connection for VNIC + interface through given HCA and port, once all + parameters required for connection establishment + has been already set into secondary_path of the + VNIC interface. + +/sys/class/infiniband_qlgc_vnic/interfaces/<VNIC-interface-name>/stats + + carrier_losses (0444) No of times the carrier loss was + detected for this VNIC interface. + + connection_time (0444) Amount of time this VNIC was in + connected state. + + disconnects (0444) No of times this VNIC interface got + disconnected from EVIC. + + failed_xmits (0444) No of transmits over this VNIC interface + that have failed. + + lifetime (0444) Amount of time elapsed since this VNIC + interface was created. + + multicast_recvs (0444) No of IB multicast packets received over + this VNIC interface. + + recvs (0444) Total no of packets received on this + VNIC interface. + + xmits (0444) Total no of packets that have been + successfully transmitted over this VNIC + interface. + + total_recv_time (0444) Amount of time taken in receive + processing, from the time driver got the + receive completion till the skb was sent + to kernel. + + total_xmit_time (0444) Amount of time taken in transmit + processing, from the time skb was + received from kernel till a RDMA write + was done for it. + + total_disconn_time (0444) Amount of time this VNIC interface was/is + in disconnected state. + + total_carrier_loss_time (0444) Amount of time there was no carrier + present for this VNIC interface. + +Example: +-------- + +QLogic VNIC sysfs interface can be used directly to create a VNIC interface. + +# echo the name of new VNIC interface to create_vnic +echo -n veth1 > /sys/class/infiniband_qlgc_vnic/interfaces/create_vnic + +# echo parameters to configure the VNIC interface. Some of these are +# interface level parameters which needs to be passed only once per VNIC +# interface. + +echo -n true > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/rx_csum +echo -n false > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/tx_csum +echo -n false > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/multicast + +echo -n 00066a01de000037 > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/primary_path/ioc_guid +echo -n fe8000000000000100066a11de000037 > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/primary_path/dgid +echo -n ffff > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/primary_path/pkey +echo -n 0 > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/primary_path/instance +echo -n 100 > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/primary_path/heartbeat +string="EVIC in Chassis 0x00066a00db000010, Slot 4, Ioc 1" +echo -n $string > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/primary_path/ioc_string + +# Trigger the connection establishment process for the path by choosing required +# HCA and IB port combination. + +echo -n veth1 > /sys/class/infiniband_qlgc_vnic/vnic-mlx4_0-1/create_primary + +# In case of failover configuration, pass the parameters of the failover +# connection to the driver and trigger its connection establishment +# process. + +echo -n 00066a01de000037 > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/secondary_path/ioc_guid +echo -n fe8000000000000100066a11de000037 > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/secondary_path/dgid +echo -n ffff > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/secondary_path/pkey +echo -n 1 > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/secondary_path/instance +echo -n 100 > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/secondary_path/heartbeat +string="EVIC in Chassis 0x00066a00db000010, Slot 4, Ioc 1" +echo -n $string > /sys/class/infiniband_qlgc_vnic/interfaces/veth1/secondary_path/ioc_string + +echo -n veth1 > /sys/class/infiniband_qlgc_vnic/vnic-mlx4_0-2/create_secondary + +# An interface can be deleted by echoing the name of the interface to be deleted +# to delete_vnic file +echo -n veth1 > /sys/class/infiniband_qlgc_vnic/interfaces/delete_vnic -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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