2015-07-23 10:52, Ananyev, Konstantin: > From: Stephen Hemminger [mailto:stephen at networkplumber.org] > > Konstantin Ananyev <konstantin.ananyev at intel.com> wrote: > > > Add the ability for the upper layer to query RX/TX queue information. [...] > > Since all this data should be rxconf already, Is it possible > > to do a generic version of this and not have to change every driver. > > I don't think it is possible to implement these two functions at rte_etdev > level only. > At least not with current ethdev/PMD implementation: > - Inside struct rte_eth_dev_info we have only: 'struct rte_eth_rxconf > default_rxconf;'. > We don't have rxconf here for each configured rx queue. > That information is maintained by PMD and inside PMD, different devices have > different format for queue structure. > - rte_eth_rxq_info contains not only rxconf but some extra information: > mempool in use by that queue, > min/max possible number of descriptors. > Also my intention was that in future that structure would be extended to > provide some RT info about queue: > (number of free/used descriptors from SW point of view, etc).
Isn't it what rte_eth_rx_queue_count() provides? Maybe we should deprecate it in favor of rte_eth_rx_queue_info_get().
