2 Copyright (c) 2015 QLogic Corporation
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31 BNX2X Poll Mode Driver
32 ======================
34 The BNX2X poll mode driver library (**librte_pmd_bnx2x**) implements support
35 for **QLogic 578xx** 10/20 Gbps family of adapters as well as their virtual
36 functions (VF) in SR-IOV context. It is supported on several standard Linux
37 distros like Red Hat 7.x and SLES12 OS. It is compile-tested under FreeBSD OS.
39 More information can be found at `QLogic Corporation's Official Website
40 <http://www.qlogic.com>`_.
45 BNX2X PMD has support for:
48 - Unicast/multicast filtering
50 - Port hardware statistics
53 Non-supported Features
54 ----------------------
56 The features not yet supported include:
58 - TSS (Transmit Side Scaling)
59 - RSS (Receive Side Scaling)
63 - Rx TX scatter gather
65 Co-existence considerations
66 ---------------------------
68 - BCM578xx being a CNA can have both NIC and Storage personalities.
69 However, coexistence with storage protocol drivers (cnic, bnx2fc and
70 bnx2fi) is not supported on the same adapter. So storage personality
71 has to be disabled on that adapter when used in DPDK applications.
73 - For SR-IOV case, bnx2x PMD will be used to bind to SR-IOV VF device and
74 Linux native kernel driver (bnx2x) will be attached to SR-IOV PF.
85 - Requires firmware version **7.2.51.0**. It is included in most of the
86 standard Linux distros. If it is not available visit
87 `QLogic Driver Download Center <http://driverdownloads.qlogic.com>`_
88 to get the required firmware.
90 Pre-Installation Configuration
91 ------------------------------
96 The following options can be modified in the ``.config`` file. Please note that
97 enabling debugging options may affect system performance.
99 - ``CONFIG_RTE_LIBRTE_BNX2X_PMD`` (default **n**)
101 Toggle compilation of bnx2x driver. To use bnx2x PMD set this config parameter
102 to 'y'. Also, in order for firmware binary to load user will need zlib devel
105 - ``CONFIG_RTE_LIBRTE_BNX2X_DEBUG`` (default **n**)
107 Toggle display of generic debugging messages.
109 - ``CONFIG_RTE_LIBRTE_BNX2X_DEBUG_INIT`` (default **n**)
111 Toggle display of initialization related messages.
113 - ``CONFIG_RTE_LIBRTE_BNX2X_DEBUG_TX`` (default **n**)
115 Toggle display of transmit fast path run-time messages.
117 - ``CONFIG_RTE_LIBRTE_BNX2X_DEBUG_RX`` (default **n**)
119 Toggle display of receive fast path run-time messages.
121 - ``CONFIG_RTE_LIBRTE_BNX2X_DEBUG_PERIODIC`` (default **n**)
123 Toggle display of register reads and writes.
126 .. _bnx2x_driver-compilation:
128 Driver compilation and testing
129 ------------------------------
131 Refer to the document :ref:`compiling and testing a PMD for a NIC <pmd_build_and_test>`
134 SR-IOV: Prerequisites and sample Application Notes
135 --------------------------------------------------
137 This section provides instructions to configure SR-IOV with Linux OS.
139 #. Verify SR-IOV and ARI capabilities are enabled on the adapter using ``lspci``:
141 .. code-block:: console
147 .. code-block:: console
150 Capabilities: [1b8 v1] Alternative Routing-ID Interpretation (ARI)
152 Capabilities: [1c0 v1] Single Root I/O Virtualization (SR-IOV)
154 Kernel driver in use: igb_uio
156 #. Load the kernel module:
158 .. code-block:: console
164 .. code-block:: console
166 systemd-udevd[4848]: renamed network interface eth0 to ens5f0
167 systemd-udevd[4848]: renamed network interface eth1 to ens5f1
169 #. Bring up the PF ports:
171 .. code-block:: console
176 #. Create VF device(s):
178 Echo the number of VFs to be created into "sriov_numvfs" sysfs entry
183 .. code-block:: console
185 echo 2 > /sys/devices/pci0000:00/0000:00:03.0/0000:81:00.0/sriov_numvfs
187 #. Assign VF MAC address:
189 Assign MAC address to the VF using iproute2 utility. The syntax is:
190 ip link set <PF iface> vf <VF id> mac <macaddr>
194 .. code-block:: console
196 ip link set ens5f0 vf 0 mac 52:54:00:2f:9d:e8
200 The VF devices may be passed through to the guest VM using virt-manager or
201 virsh etc. bnx2x PMD should be used to bind the VF devices in the guest VM
202 using the instructions outlined in the Application notes below.
206 Follow instructions available in the document
207 :ref:`compiling and testing a PMD for a NIC <pmd_build_and_test>`
212 .. code-block:: console
215 EAL: PCI device 0000:84:00.0 on NUMA socket 1
216 EAL: probe driver: 14e4:168e rte_bnx2x_pmd
217 EAL: PCI memory mapped at 0x7f14f6fe5000
218 EAL: PCI memory mapped at 0x7f14f67e5000
219 EAL: PCI memory mapped at 0x7f15fbd9b000
220 EAL: PCI device 0000:84:00.1 on NUMA socket 1
221 EAL: probe driver: 14e4:168e rte_bnx2x_pmd
222 EAL: PCI memory mapped at 0x7f14f5fe5000
223 EAL: PCI memory mapped at 0x7f14f57e5000
224 EAL: PCI memory mapped at 0x7f15fbd4f000
225 Interactive-mode selected
226 Configuring Port 0 (socket 0)
227 PMD: bnx2x_dev_tx_queue_setup(): fp[00] req_bd=512, thresh=512,
228 usable_bd=1020, total_bd=1024,
230 PMD: bnx2x_dev_rx_queue_setup(): fp[00] req_bd=128, thresh=0,
231 usable_bd=510, total_bd=512,
232 rx_pages=1, cq_pages=8
233 PMD: bnx2x_print_adapter_info():
235 Checking link statuses...
236 Port 0 Link Up - speed 10000 Mbps - full-duplex
237 Port 1 Link Up - speed 10000 Mbps - full-duplex