From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by dpdk.org (Postfix) with ESMTP id BA6922B8F; Thu, 9 Feb 2017 02:27:54 +0100 (CET) Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga101.jf.intel.com with ESMTP; 08 Feb 2017 17:27:53 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.35,349,1484035200"; d="scan'208";a="62501443" Received: from dpdk26.sh.intel.com ([10.239.128.228]) by orsmga005.jf.intel.com with ESMTP; 08 Feb 2017 17:27:52 -0800 From: Wenzhuo Lu To: dev@dpdk.org Cc: Wenzhuo Lu , stable@dpdk.org Date: Thu, 9 Feb 2017 09:27:59 +0800 Message-Id: <1486603680-62864-2-git-send-email-wenzhuo.lu@intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1486603680-62864-1-git-send-email-wenzhuo.lu@intel.com> References: <1486448555-95730-1-git-send-email-wenzhuo.lu@intel.com> <1486603680-62864-1-git-send-email-wenzhuo.lu@intel.com> Subject: [dpdk-dev] [PATCH v2 1/2] doc: fix framework of ixgbe doc X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Feb 2017 01:27:55 -0000 The framework of the ixgbe doc is not appropriate, adjust it. Fixes: 972e365bfe7a ("doc: nics guide") CC: stable@dpdk.org Signed-off-by: Wenzhuo Lu --- doc/guides/nics/ixgbe.rst | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/doc/guides/nics/ixgbe.rst b/doc/guides/nics/ixgbe.rst index 3b6851b..05ecc2a 100644 --- a/doc/guides/nics/ixgbe.rst +++ b/doc/guides/nics/ixgbe.rst @@ -129,7 +129,7 @@ The tx_rs_thresh value must be greater than or equal to RTE_PMD_IXGBE_TX_MAX_BUR but less or equal to RTE_IXGBE_TX_MAX_FREE_BUF_SZ. Consequently, by default the tx_rs_thresh value is in the range 32 to 64. -Feature not Supported by RX Vector PMD +Feature not Supported by TX Vector PMD ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ TX vPMD only works when txq_flags is set to IXGBE_SIMPLE_FLAGS. @@ -148,16 +148,16 @@ The following MACROs are used for these three features: * ETH_TXQ_FLAGS_NOXSUMTCP Application Programming Interface -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +--------------------------------- In DPDK release v16.11 an API for ixgbe specific functions has been added to the ixgbe PMD. The declarations for the API functions are in the header ``rte_pmd_ixgbe.h``. Sample Application Notes -~~~~~~~~~~~~~~~~~~~~~~~~ +------------------------ testpmd -^^^^^^^ +~~~~~~~ By default, using CONFIG_RTE_IXGBE_RX_OLFLAGS_ENABLE=y: @@ -172,21 +172,24 @@ When CONFIG_RTE_IXGBE_RX_OLFLAGS_ENABLE=n, better performance can be achieved: ./x86_64-native-linuxapp-gcc/app/testpmd -c 300 -n 4 -- -i --burst=32 --rxfreet=32 --mbcache=250 --txpt=32 --rxht=8 --rxwt=0 --txfreet=32 --txrst=32 --txqflags=0xf01 --disable-hw-vlan l3fwd -^^^^^ +~~~~~ When running l3fwd with vPMD, there is one thing to note. In the configuration, ensure that port_conf.rxmode.hw_ip_checksum=0. Otherwise, by default, RX vPMD is disabled. load_balancer -^^^^^^^^^^^^^ +~~~~~~~~~~~~~ As in the case of l3fwd, set configure port_conf.rxmode.hw_ip_checksum=0 to enable vPMD. In addition, for improved performance, use -bsz "(32,32),(64,64),(32,32)" in load_balancer to avoid using the default burst size of 144. +Limitations or Known issues +--------------------------- + Malicious Driver Detection not Supported ----------------------------------------- +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The Intel x550 series NICs support a feature called MDD (Malicious Driver Detection) which checks the behavior of the VF driver. @@ -207,7 +210,7 @@ it by default.) Statistics ----------- +~~~~~~~~~~ The statistics of ixgbe hardware must be polled regularly in order for it to remain consistent. Running a DPDK application without polling the statistics will -- 1.9.3