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Diffstat (limited to 'Documentation/howto')
| -rw-r--r-- | Documentation/howto/dpdk.rst | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/Documentation/howto/dpdk.rst b/Documentation/howto/dpdk.rst index 766a7950c..f0fe2bef7 100644 --- a/Documentation/howto/dpdk.rst +++ b/Documentation/howto/dpdk.rst @@ -370,19 +370,28 @@ The flow hardware offload is disabled by default and can be enabled by:: $ ovs-vsctl set Open_vSwitch . other_config:hw-offload=true -So far only partial flow offload is implemented. Moreover, it only works -with PMD drivers have the rte_flow action "MARK + RSS" support. +Matches and actions are programmed into HW to achieve full offload of +the flow. If not all actions are supported, fallback to partial flow +offload (offloading matches only). Moreover, it only works with PMD +drivers that support the configured rte_flow actions. +Partial flow offload requires support of "MARK + RSS" actions. Full +hardware offload requires support of the actions listed below. The validated NICs are: - Mellanox (ConnectX-4, ConnectX-4 Lx, ConnectX-5) - Napatech (NT200B01) -Supported protocols for hardware offload are: +Supported protocols for hardware offload matches are: + - L2: Ethernet, VLAN -- L3: IPv4, IPv6 +- L3: IPv4 - L4: TCP, UDP, SCTP, ICMP +Supported actions for hardware offload are: + +- Output. + Further Reading --------------- |