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
> ---
> 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
6WIND Development Engineer
