X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=doc%2Fguides%2Fnics%2Fmlx4.rst;h=be1ba16edb978df3fe5c6a90548d06d0835818c9;hb=7c71f4a62117754336d2c528551ec13efd3463dc;hp=0f340c55faf28aef8cfa1c5901af2e3b7a7cd4b2;hpb=3e641ae76639a3db5574c8179d68bd79e27bb9fe;p=dpdk.git diff --git a/doc/guides/nics/mlx4.rst b/doc/guides/nics/mlx4.rst index 0f340c55fa..be1ba16edb 100644 --- a/doc/guides/nics/mlx4.rst +++ b/doc/guides/nics/mlx4.rst @@ -78,23 +78,9 @@ Features -------- - Multi arch support: x86_64 and POWER8. -- RSS, also known as RCA, is supported. In this mode the number of - configured RX queues must be a power of two. - Link state information is provided. -- Multiple MAC addresses (unicast, multicast) can be configured. -- Scattered packets are supported for TX and RX. -- Inner L3/L4 (IP, TCP and UDP) TX/RX checksum offloading and validation. -- Outer L3 (IP) TX/RX checksum offloading and validation for VXLAN frames. - RX interrupts. -Limitations ------------ - -- RSS hash key cannot be modified. -- RSS RETA cannot be configured -- RSS always includes L3 (IPv4/IPv6) and L4 (UDP/TCP). They cannot be - dissociated. - Configuration ------------- @@ -121,11 +107,6 @@ These options can be modified in the ``.config`` file. to abort with harmless debugging messages as a workaround. Relevant only when CONFIG_RTE_LIBRTE_MLX4_DEBUG is enabled. -- ``CONFIG_RTE_LIBRTE_MLX4_MAX_INLINE`` (default **0**) - - Amount of data to be inlined during TX operations. Improves latency but - lowers throughput. - - ``CONFIG_RTE_LIBRTE_MLX4_TX_MP_CACHE`` (default **8**) Maximum number of cached memory pools (MPs) per TX queue. Each MP from @@ -146,9 +127,6 @@ Environment variables Run-time configuration ~~~~~~~~~~~~~~~~~~~~~~ -- The only constraint when RSS mode is requested is to make sure the number - of RX queues is a power of two. This is a hardware requirement. - - librte_pmd_mlx4 brings kernel network interfaces up during initialization because it is affected by their state. Forcing them down prevents packets reception.