On 11/19/2013 02:03 PM, Maxime Leroy wrote: > It should be possible to enable RSS with a single Rx queue. > The RSS hash can be useful independently of the number of RX queues. > Hence, DPDK applications can use the hardware-computed RSS hash to > manage in software different IP packet flows. > > Signed-off-by: Maxime Leroy <maxime.leroy at 6wind.com> > --- > lib/librte_pmd_e1000/igb_rxtx.c | 7 ++----- > lib/librte_pmd_ixgbe/ixgbe_rxtx.c | 7 ++----- > 2 files changed, 4 insertions(+), 10 deletions(-) > > diff --git a/lib/librte_pmd_e1000/igb_rxtx.c > b/lib/librte_pmd_e1000/igb_rxtx.c > index 641ceea..8c1e2cc 100644 > --- a/lib/librte_pmd_e1000/igb_rxtx.c > +++ b/lib/librte_pmd_e1000/igb_rxtx.c > @@ -1743,8 +1743,7 @@ igb_dev_mq_rx_configure(struct rte_eth_dev *dev) > /* > * SRIOV inactive scheme > */ > - if (dev->data->nb_rx_queues > 1) > - switch (dev->data->dev_conf.rxmode.mq_mode) { > + switch (dev->data->dev_conf.rxmode.mq_mode) { > case ETH_MQ_RX_RSS: > igb_rss_configure(dev); > break; > @@ -1757,9 +1756,7 @@ igb_dev_mq_rx_configure(struct rte_eth_dev *dev) > default: > igb_rss_disable(dev); > break; > - } > - else > - igb_rss_disable(dev); > + } > } > return 0; > diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c > b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c > index e1b90f9..ae9eda8 100644 > --- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c > +++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c > @@ -3215,8 +3215,7 @@ ixgbe_dev_mq_rx_configure(struct rte_eth_dev *dev) > * SRIOV inactive scheme > * any DCB/RSS w/o VMDq multi-queue setting > */ > - if (dev->data->nb_rx_queues > 1) > - switch (dev->data->dev_conf.rxmode.mq_mode) { > + switch (dev->data->dev_conf.rxmode.mq_mode) { > case ETH_MQ_RX_RSS: > ixgbe_rss_configure(dev); > break; > @@ -3232,9 +3231,7 @@ ixgbe_dev_mq_rx_configure(struct rte_eth_dev *dev) > case ETH_MQ_RX_NONE: > /* if mq_mode is none, disable rss mode.*/ > default: ixgbe_rss_disable(dev); > - } > - else > - ixgbe_rss_disable(dev); > + } > } else { > switch (RTE_ETH_DEV_SRIOV(dev).active) { > /*
Acked by Ivan Boule <ivan.boule at 6wind.com> -- Ivan Boule 6WIND Development Engineer