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igb/ixgbe: allow RSS with only one Rx queue

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It should be possible to enable RSS with one Rx queue.
RSS hash can be useful independently of the number of Rx queues.
Applications can use RSS hash to identify different IP flows.

Signed-off-by: Maxime Leroy <maxime.leroy@6wind.com>
Acked-by: Ivan Boule <ivan.boule@6wind.com>
This commit is contained in:
Maxime Leroy 2013-09-02 17:14:10 +02:00 committed by David Marchand
parent 7a9b2b0998
commit 3aa1e71982
2 changed files with 4 additions and 10 deletions
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7
lib/librte_pmd_e1000/igb_rxtx.c
View File

@ -1753,8 +1753,7 @@ 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;
@ -1767,9 +1766,7 @@ igb_dev_mq_rx_configure(struct rte_eth_dev *dev)
default:
igb_rss_disable(dev);
break;
}
else
igb_rss_disable(dev);
}
}
return 0;

7
lib/librte_pmd_ixgbe/ixgbe_rxtx.c
View File

@ -3226,8 +3226,7 @@ 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;
@ -3243,9 +3242,7 @@ 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) {
/*