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:
131 BNX2X PMD for Linux x86_64 gcc target, run the following "make"
134 cd <DPDK-source-directory>
135 make config T=x86_64-native-linuxapp-gcc install
137 To compile BNX2X PMD for Linux x86_64 clang target, run the following "make"
140 cd <DPDK-source-directory>
141 make config T=x86_64-native-linuxapp-clang install
143 To compile BNX2X PMD for Linux i686 gcc target, run the following "make"
146 cd <DPDK-source-directory>
147 make config T=i686-native-linuxapp-gcc install
149 To compile BNX2X PMD for Linux i686 gcc target, run the following "make"
152 .. code-block:: console
154 cd <DPDK-source-directory>
155 make config T=i686-native-linuxapp-gcc install
157 To compile BNX2X PMD for FreeBSD x86_64 clang target, run the following "gmake"
160 cd <DPDK-source-directory>
161 gmake config T=x86_64-native-bsdapp-clang install
163 To compile BNX2X PMD for FreeBSD x86_64 gcc target, run the following "gmake"
166 cd <DPDK-source-directory>
167 gmake config T=x86_64-native-bsdapp-gcc install -Wl,-rpath=/usr/local/lib/gcc49 CC=gcc49
169 To compile BNX2X PMD for FreeBSD x86_64 gcc target, run the following "gmake"
172 .. code-block:: console
174 cd <DPDK-source-directory>
175 gmake config T=x86_64-native-bsdapp-gcc install -Wl,-rpath=/usr/local/lib/gcc49 CC=gcc49
180 .. _bnx2x_Linux-installation:
185 Sample Application Notes
186 ~~~~~~~~~~~~~~~~~~~~~~~~
188 This section demonstrates how to launch ``testpmd`` with QLogic 578xx
189 devices managed by ``librte_pmd_bnx2x`` in Linux operating system.
191 #. Request huge pages:
193 .. code-block:: console
195 echo 1024 > /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages/nr_hugepages
197 #. Load ``igb_uio`` or ``vfio-pci`` driver:
199 .. code-block:: console
201 insmod ./x86_64-native-linuxapp-gcc/kmod/igb_uio.ko
205 .. code-block:: console
209 #. Bind the QLogic adapters to ``igb_uio`` or ``vfio-pci`` loaded in the
212 ./tools/dpdk-devbind.py --bind igb_uio 0000:84:00.0 0000:84:00.1
216 Setup VFIO permissions for regular users and then bind to ``vfio-pci``:
218 .. code-block:: console
220 sudo chmod a+x /dev/vfio
222 sudo chmod 0666 /dev/vfio/*
224 ./tools/dpdk-devbind.py --bind vfio-pci 0000:84:00.0 0000:84:00.1
226 #. Start ``testpmd`` with basic parameters:
228 .. code-block:: console
230 ./x86_64-native-linuxapp-gcc/app/testpmd -c 0xf -n 4 -- -i
234 .. code-block:: console
237 EAL: PCI device 0000:84:00.0 on NUMA socket 1
238 EAL: probe driver: 14e4:168e rte_bnx2x_pmd
239 EAL: PCI memory mapped at 0x7f14f6fe5000
240 EAL: PCI memory mapped at 0x7f14f67e5000
241 EAL: PCI memory mapped at 0x7f15fbd9b000
242 EAL: PCI device 0000:84:00.1 on NUMA socket 1
243 EAL: probe driver: 14e4:168e rte_bnx2x_pmd
244 EAL: PCI memory mapped at 0x7f14f5fe5000
245 EAL: PCI memory mapped at 0x7f14f57e5000
246 EAL: PCI memory mapped at 0x7f15fbd4f000
247 Interactive-mode selected
248 Configuring Port 0 (socket 0)
249 PMD: bnx2x_dev_tx_queue_setup(): fp[00] req_bd=512, thresh=512,
250 usable_bd=1020, total_bd=1024,
252 PMD: bnx2x_dev_rx_queue_setup(): fp[00] req_bd=128, thresh=0,
253 usable_bd=510, total_bd=512,
254 rx_pages=1, cq_pages=8
255 PMD: bnx2x_print_adapter_info():
257 Checking link statuses...
258 Port 0 Link Up - speed 10000 Mbps - full-duplex
259 Port 1 Link Up - speed 10000 Mbps - full-duplex
263 SR-IOV: Prerequisites and sample Application Notes
264 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
266 This section provides instructions to configure SR-IOV with Linux OS.
268 #. Verify SR-IOV and ARI capabilities are enabled on the adapter using ``lspci``:
270 .. code-block:: console
276 .. code-block:: console
279 Capabilities: [1b8 v1] Alternative Routing-ID Interpretation (ARI)
281 Capabilities: [1c0 v1] Single Root I/O Virtualization (SR-IOV)
283 Kernel driver in use: igb_uio
285 #. Load the kernel module:
287 .. code-block:: console
293 .. code-block:: console
295 systemd-udevd[4848]: renamed network interface eth0 to ens5f0
296 systemd-udevd[4848]: renamed network interface eth1 to ens5f1
298 #. Bring up the PF ports:
300 .. code-block:: console
305 #. Create VF device(s):
307 Echo the number of VFs to be created into "sriov_numvfs" sysfs entry
312 .. code-block:: console
314 echo 2 > /sys/devices/pci0000:00/0000:00:03.0/0000:81:00.0/sriov_numvfs
317 #. Assign VF MAC address:
319 Assign MAC address to the VF using iproute2 utility. The syntax is:
320 ip link set <PF iface> vf <VF id> mac <macaddr>
324 .. code-block:: console
326 ip link set ens5f0 vf 0 mac 52:54:00:2f:9d:e8
331 The VF devices may be passed through to the guest VM using virt-manager or
332 virsh etc. bnx2x PMD should be used to bind the VF devices in the guest VM
333 using the instructions outlined in the Application notes below.