[dpdk-dev] [PATCH v2] net/ixgbe: use queues assigned to PF instad of VF

[Lu, Wenzhuo]

Hi,

> -Original Message-
> From: Alex Zelezniak [mailto:alexz at att.com]
> Sent: Tuesday, August 30, 2016 9:23 AM
> To: dev at dpdk.org
> Cc: Lu, Wenzhuo; Yigit, Ferruh; stephen at networkplumber.org; azelezniak
> Subject: [PATCH v2] net/ixgbe: use queues assigned to PF instad of VF
> 
> From: azelezniak 
> 
> v2:
> * shorten Subject line
> * added more thorough description
> 
> v1:
> this patch uses queues which belong to PF instead of queus 0 - nb_rx_queues
> which belong to VF0 in SR-IOV configuration
> 
> Signed-off-by: Alex Zelezniak 
Acked-by: Wenzhuo Lu 
Thanks for the patch:)

[dpdk-dev] [PATCH v2] net/ixgbe: use queues assigned to PF instad of VF

[Alex Zelezniak]

From: azelezniak 

v2:
* shorten Subject line 
* added more thorough description

v1:
this patch uses queues which belong to PF instead of queus 0 -
nb_rx_queues which belong to VF0 in SR-IOV configuration

Signed-off-by: Alex Zelezniak 

---
 drivers/net/ixgbe/ixgbe_ethdev.c | 12 
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index bc2ad4b..d8d32f7 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1779,6 +1779,7 @@ ixgbe_vlan_hw_strip_disable_all(struct rte_eth_dev *dev)
IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t ctrl;
uint16_t i;
+   struct ixgbe_rx_queue *rxq;

PMD_INIT_FUNC_TRACE();

@@ -1789,9 +1790,10 @@ ixgbe_vlan_hw_strip_disable_all(struct rte_eth_dev *dev)
} else {
/* Other 10G NIC, the VLAN strip can be setup per queue in 
RXDCTL */
for (i = 0; i < dev->data->nb_rx_queues; i++) {
-   ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
+   rxq = dev->data->rx_queues[i];
+   ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
ctrl &= ~IXGBE_RXDCTL_VME;
-   IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(i), ctrl);
+   IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxq->reg_idx), ctrl);

/* record those setting for HW strip per queue */
ixgbe_vlan_hw_strip_bitmap_set(dev, i, 0);
@@ -1806,6 +1808,7 @@ ixgbe_vlan_hw_strip_enable_all(struct rte_eth_dev *dev)
IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
uint32_t ctrl;
uint16_t i;
+   struct ixgbe_rx_queue *rxq;

PMD_INIT_FUNC_TRACE();

@@ -1816,9 +1819,10 @@ ixgbe_vlan_hw_strip_enable_all(struct rte_eth_dev *dev)
} else {
/* Other 10G NIC, the VLAN strip can be setup per queue in 
RXDCTL */
for (i = 0; i < dev->data->nb_rx_queues; i++) {
-   ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
+   rxq = dev->data->rx_queues[i];
+   ctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(rxq->reg_idx));
ctrl |= IXGBE_RXDCTL_VME;
-   IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(i), ctrl);
+   IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(rxq->reg_idx), ctrl);

/* record those setting for HW strip per queue */
ixgbe_vlan_hw_strip_bitmap_set(dev, i, 1);
-- 
2.5.4 (Apple Git-61)