On 1/31/2024 10:13 PM, Joshua Washington wrote: > This patch series introduces RSS support for the GVE poll-mode driver. > This series includes implementations of the following eth_dev_ops: > > 1) rss_hash_update > 2) rss_hash_conf_get > 3) reta_query > 4) reta_update > > In rss_hash_update, the GVE driver supports the following RSS hash > types: > > * RTE_ETH_RSS_IPV4 > * RTE_ETH_RSS_NONFRAG_IPV4_TCP > * RTE_ETH_RSS_NONFRAG_IPV4_UDP > * RTE_ETH_RSS_IPV6 > * RTE_ETH_RSS_IPV6_EX > * RTE_ETH_RSS_NONFRAG_IPV6_TCP > * RTE_ETH_RSS_NONFRAG_IPV6_UDP > * RTE_ETH_RSS_IPV6_TCP_EX > * RTE_ETH_RSS_IPV6_UDP_EX > > The hash key is 40B, and the lookup table has 128 entries. These values > are not configurable in this implementation. > > In general, the DPDK driver expects the RSS hash configuration to be set > with a key before the redriection table is set up. When the RSS hash is > configured, a default redirection table is generated based on the number > of queues. When the device is re-configured, the redirection table is > reset to the default value based on the queue count. > > An important note is that the gVNIC device expects 32 bit integers for > RSS redirection table entries, while the RTE API uses 16 bit integers. > However, this is unlikely to be an issue, as these values represent > receive queues, and the gVNIC device does not support anywhere near 64K > queues. > > This series also updates the corresponding feature matrix ertries and > documentation as it pertains to RSS support in the GVE driver. > > v2: > Add commmit messages for patches with it missing, and other checkpatches > fixes. > > Note: There is a warning about complex macros being parenthesized that > does not seem to be well-founded. > > v3: > Fix build warnings that come up on certain distros. > > v4: > Fix formatting in gve_adminq.c > > v5: > Update commit messages to comply with check-git-log. > Fold feature matrix and documentation updates into relevant commits. > > Joshua Washington (5): > net/gve: expose RSS offload support in dev info > net/gve: add RSS adminq command > net/gve: add gve RSS library > net/gve: add RSS configuration update support > net/gve: add RSS redirection table update support
Series applied to dpdk-next-net/main, thanks.
