X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fnics%2Focteontx.rst;h=8fc53810b2f63788355904c09964f7a7b5fbc09b;hb=c62b6e667310a58e444dbaae1d08371a6d221333;hp=012a3ec21f2aafca4e904a17e7111f05d16f58d6;hpb=218c4e68c1d9bd4a9281bc1dc4d0ab89859083bf;p=dpdk.git diff --git a/doc/guides/nics/octeontx.rst b/doc/guides/nics/octeontx.rst index 012a3ec21f..8fc53810b2 100644 --- a/doc/guides/nics/octeontx.rst +++ b/doc/guides/nics/octeontx.rst @@ -161,8 +161,8 @@ This driver will only work with ``octeontx_fpavf`` external mempool handler as it is the most performance effective way for packet allocation and Tx buffer recycling on OCTEON TX SoC platform. -CRC striping -~~~~~~~~~~~~ +CRC stripping +~~~~~~~~~~~~~ The OCTEON TX SoC family NICs strip the CRC for every packets coming into the host interface irrespective of the offload configuration. @@ -174,3 +174,10 @@ The OCTEON TX SoC family NICs support a maximum of a 32K jumbo frame. The value is fixed and cannot be changed. So, even when the ``rxmode.max_rx_pkt_len`` member of ``struct rte_eth_conf`` is set to a value lower than 32k, frames up to 32k bytes can still reach the host interface. + +Maximum mempool size +~~~~~~~~~~~~~~~~~~~~ + +The maximum mempool size supplied to Rx queue setup should be less than 128K. +When running testpmd on OCTEON TX the application can limit the number of mbufs +by using the option ``--total-num-mbufs=131072``.