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igb: update VMDq/DCB support

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Signed-off-by: Intel
This commit is contained in:
Intel 2013-06-03 00:00:00 +00:00 committed by Thomas Monjalon
parent 32e7aa0b3a
commit 28f682a176
1 changed files with 31 additions and 4 deletions
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35
lib/librte_pmd_e1000/igb_rxtx.c
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@ -1584,6 +1584,36 @@ igb_alloc_rx_queue_mbufs(struct igb_rx_queue *rxq)
return 0;
}
#define E1000_MRQC_DEF_Q_SHIFT (3)
static int
igb_dev_mq_rx_configure(struct rte_eth_dev *dev)
{
struct e1000_hw *hw =
E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t mrqc;
if (RTE_ETH_DEV_SRIOV(dev).active == ETH_8_POOLS) {
/*
* SRIOV active scheme
* FIXME if support RSS together with VMDq & SRIOV
*/
mrqc = E1000_MRQC_ENABLE_VMDQ;
/* 011b Def_Q ignore, according to VT_CTL.DEF_PL */
mrqc |= 0x3 << E1000_MRQC_DEF_Q_SHIFT;
E1000_WRITE_REG(hw, E1000_MRQC, mrqc);
} else if(RTE_ETH_DEV_SRIOV(dev).active == 0) {
/*
* SRIOV inactive scheme
*/
if (dev->data->nb_rx_queues > 1)
igb_rss_configure(dev);
else
igb_rss_disable(dev);
}
return 0;
}
int
eth_igb_rx_init(struct rte_eth_dev *dev)
{
@ -1733,10 +1763,7 @@ eth_igb_rx_init(struct rte_eth_dev *dev)
/*
* Configure RSS if device configured with multiple RX queues.
*/
if (dev->data->nb_rx_queues > 1)
igb_rss_configure(dev);
else
igb_rss_disable(dev);
igb_dev_mq_rx_configure(dev);
/*
* Setup the Checksum Register.