From 31214d491ba95bfbc8beb4bc51f851aec99fd40c Mon Sep 17 00:00:00 2001 From: Wenzhuo Lu Date: Thu, 9 Feb 2017 09:27:59 +0800 Subject: [PATCH] doc: fix titles of ixgbe guide 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 Acked-by: John McNamara --- 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 3b6851b622..05ecc2a30f 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 -- 2.20.1