From mboxrd@z Thu Jan 1 00:00:00 1970 From: Qiming Yang Subject: [PATCH] doc: move i40e know issue to new file Date: Fri, 24 Mar 2017 12:41:20 +0800 Message-ID: <1490330480-26531-1-git-send-email-qiming.yang@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: jingjing.wu@intel.com, Qiming Yang To: dev@dpdk.org Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 55A14CF8A for ; Fri, 24 Mar 2017 05:50:03 +0100 (CET) List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch moved i40e related know issues from doc/guides/rel_notes/ known_issues.rst to driver/net/i40e/i40e_know_issues.rst, makes us easy to track the issue about i40e. Signed-off-by: Qiming Yang --- doc/guides/rel_notes/known_issues.rst | 65 ----------------------------------- drivers/net/i40e/i40e_know_issues.rst | 54 +++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+), 65 deletions(-) create mode 100644 drivers/net/i40e/i40e_know_issues.rst diff --git a/doc/guides/rel_notes/known_issues.rst b/doc/guides/rel_notes/known_issues.rst index f149ac7..5b702c5 100644 --- a/doc/guides/rel_notes/known_issues.rst +++ b/doc/guides/rel_notes/known_issues.rst @@ -513,25 +513,6 @@ Ethertype filter could receive other packets (non-assigned) in Niantic Poll Mode Driver (PMD). -Cannot set link speed on Intel® 40G Ethernet controller -------------------------------------------------------- - -**Description**: - On Intel® 40G Ethernet Controller you cannot set the link to specific speed. - -**Implication**: - The link speed cannot be changed forcibly, though it can be configured by application. - -**Resolution/Workaround**: - None - -**Affected Environment/Platform**: - All. - -**Driver/Module**: - Poll Mode Driver (PMD). - - Devices bound to igb_uio with VT-d enabled do not work on Linux kernel 3.15-3.17 -------------------------------------------------------------------------------- @@ -622,52 +603,6 @@ The last EAL argument is replaced by the program name in argv[] Environment Abstraction Layer (EAL). -I40e VF may not receive packets in the promiscuous mode -------------------------------------------------------- - -**Description**: - Promiscuous mode is not supported by the DPDK i40e VF driver when using the - i40e Linux kernel driver as host driver. - -**Implication**: - The i40e VF does not receive packets when the destination MAC address is unknown. - -**Resolution/Workaround**: - Use a explicit destination MAC address that matches the VF. - -**Affected Environment/Platform**: - All. - -**Driver/Module**: - Poll Mode Driver (PMD). - - -uio pci generic module bind failed in X710/XL710/XXV710 -------------------------------------------------------- - -**Description**: - The ``uio_pci_generic`` module is not supported by XL710, since the errata of XL710 - states that the Interrupt Status bit is not implemented. The errata is the item #71 - from the `xl710 controller spec - `_. - The hw limitation is the same as other X710/XXV710 NICs. - -**Implication**: - When use ``--bind=uio_pci_generic``, the ``uio_pci_generic`` module probes device and check the Interrupt - Status bit. Since it is not supported by X710/XL710/XXV710, it return a *failed* value. The statement - that these products don’t support INTx masking, is indicated in the related `linux kernel commit - `_. - -**Resolution/Workaround**: - Do not bind the ``uio_pci_generic`` module in X710/XL710/XXV710 NICs. - -**Affected Environment/Platform**: - All. - -**Driver/Module**: - Poll Mode Driver (PMD). - - virtio tx_burst() function cannot do TSO on shared packets ---------------------------------------------------------- diff --git a/drivers/net/i40e/i40e_know_issues.rst b/drivers/net/i40e/i40e_know_issues.rst new file mode 100644 index 0000000..2279eaf --- /dev/null +++ b/drivers/net/i40e/i40e_know_issues.rst @@ -0,0 +1,54 @@ +Cannot set link speed on Intel® 40G Ethernet controller +------------------------------------------------------- + +**Description**: + On Intel® 40G Ethernet Controller you cannot set the link to specific speed. + +**Implication**: + The link speed cannot be changed forcibly, though it can be configured by application. + +**Resolution/Workaround**: + None + +**Affected Environment/Platform**: + All. + + +I40e VF may not receive packets in the promiscuous mode +------------------------------------------------------- + +**Description**: + Promiscuous mode is not supported by the DPDK i40e VF driver when using the + i40e Linux kernel driver as host driver. + +**Implication**: + The i40e VF does not receive packets when the destination MAC address is unknown. + +**Resolution/Workaround**: + Use a explicit destination MAC address that matches the VF. + +**Affected Environment/Platform**: + All. + + +uio pci generic module bind failed in X710/XL710/XXV710 +------------------------------------------------------- + +**Description**: + The ``uio_pci_generic`` module is not supported by XL710, since the errata of XL710 + states that the Interrupt Status bit is not implemented. The errata is the item #71 + from the `xl710 controller spec + `_. + The hw limitation is the same as other X710/XXV710 NICs. + +**Implication**: + When use ``--bind=uio_pci_generic``, the ``uio_pci_generic`` module probes device and check the Interrupt + Status bit. Since it is not supported by X710/XL710/XXV710, it return a *failed* value. The statement + that these products don’t support INTx masking, is indicated in the related `linux kernel commit + `_. + +**Resolution/Workaround**: + Do not bind the ``uio_pci_generic`` module in X710/XL710/XXV710 NICs. + +**Affected Environment/Platform**: + All. -- 2.7.4