X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=sidebyside;f=doc%2Fguides%2Fnics%2Fqede.rst;h=5b2f8689521e9b5acb0b81928d8883e071cdf7f8;hb=82c4fb852e4287a7e6ff529d333648e52f40d451;hp=471d98014b62d7d203e7a63fbd472e91ed6d85dd;hpb=2c0784eb8872d86c51d6af15b8eb0fe81cdd86bd;p=dpdk.git diff --git a/doc/guides/nics/qede.rst b/doc/guides/nics/qede.rst index 471d98014b..5b2f868952 100644 --- a/doc/guides/nics/qede.rst +++ b/doc/guides/nics/qede.rst @@ -70,6 +70,12 @@ Co-existence considerations to the PFs of a given adapter and either qede PMD or Linux drivers (qed and qede) can be bound to the VFs of the adapter. +- For sharing an adapter between DPDK and Linux drivers, SRIOV needs + to be enabled. Bind all the PFs to Linux Drivers(qed/qede). Create + a VF on PFs where DPDK is desired and bind these VFs to qede_pmd. + Binding of PFs simultaneously to DPDK and Linux drivers on a given + adapter is not supported. + Supported QLogic Adapters ------------------------- @@ -78,13 +84,11 @@ Supported QLogic Adapters Prerequisites ------------- -- Requires storm firmware version **8.37.7.0**. Firmware may be available +- Requires storm firmware version **8.40.33.0**. Firmware may be available inbox in certain newer Linux distros under the standard directory - ``E.g. /lib/firmware/qed/qed_init_values-8.37.7.0.bin``. + ``E.g. /lib/firmware/qed/qed_init_values-8.40.33.0.bin``. If the required firmware files are not available then download it from - `linux-firmware git repository `_ - or `QLogic Driver Download Center `_. - To download firmware file from QLogic website, select adapter category, model and DPDK Poll Mode Driver. + `linux-firmware git repository `_. - Requires the NIC be updated minimally with **8.30.x.x** Management firmware(MFW) version supported for that NIC. It is highly recommended that the NIC be updated with the latest available management firmware version to get latest feature set. @@ -99,7 +103,6 @@ Prerequisites `QLogic Driver Download Center `_. For downloading PF driver, select adapter category, model and Linux distro. - Performance note ~~~~~~~~~~~~~~~~ @@ -126,12 +129,26 @@ enabling debugging options may affect system performance. - ``CONFIG_RTE_LIBRTE_QEDE_FW`` (default **""**) Gives absolute path of firmware file. - ``Eg: "/lib/firmware/qed/qed_init_values-8.37.7.0.bin"`` + ``Eg: "/lib/firmware/qed/qed_init_values-8.40.33.0.bin"`` Empty string indicates driver will pick up the firmware file from the default location /lib/firmware/qed. CAUTION this option is more for custom firmware, it is not recommended for use under normal condition. +Config notes +~~~~~~~~~~~~ + +When there are multiple adapters and/or large number of Rx/Tx queues +configured on the adapters, the default (2560) number of memzone +descriptors may not be enough. Please increase the number of memzone +descriptors to a higher number as needed. When sufficient number of +memzone descriptors are not configured, user can potentially run into +following error. + + .. code-block:: console + + EAL: memzone_reserve_aligned_thread_unsafe(): No more room in config + Driver compilation and testing ------------------------------