[dpdk-dev] [PATCH] net/i40e: fix issue about interrupt
Beilei Xing
beilei.xing at intel.com
Mon Feb 5 09:12:45 CET 2018
This patch fixes interval error and corrects macros
when enable rx interrupt mode. The patch also fixes
a logical error during support multiple driver.
Fixes: be6c228d4da3 ("i40e: support Rx interrupt")
Fixes: b20aa3aee390 ("net/i40e: fix multiple driver support issue")
Cc: stable at dpdk.org
Signed-off-by: Beilei Xing <beilei.xing at intel.com>
---
drivers/net/i40e/i40e_ethdev.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index a60fd60..81d14ce 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -1869,7 +1869,7 @@ i40e_vsi_enable_queues_intr(struct i40e_vsi *vsi)
struct i40e_pf *pf = I40E_VSI_TO_PF(vsi);
uint16_t msix_intr, i;
- if (rte_intr_allow_others(intr_handle) || !pf->support_multi_driver)
+ if (rte_intr_allow_others(intr_handle) && !pf->support_multi_driver)
for (i = 0; i < vsi->nb_msix; i++) {
msix_intr = vsi->msix_intr + i;
I40E_WRITE_REG(hw, I40E_PFINT_DYN_CTLN(msix_intr - 1),
@@ -11126,20 +11126,16 @@ i40e_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
msix_intr = intr_handle->intr_vec[queue_id];
if (msix_intr == I40E_MISC_VEC_ID)
I40E_WRITE_REG(hw, I40E_PFINT_DYN_CTL0,
- I40E_PFINT_DYN_CTLN_INTENA_MASK |
- I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
- (0 << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT) |
- (interval <<
- I40E_PFINT_DYN_CTLN_INTERVAL_SHIFT));
+ I40E_PFINT_DYN_CTL0_INTENA_MASK |
+ I40E_PFINT_DYN_CTL0_CLEARPBA_MASK |
+ I40E_PFINT_DYN_CTL0_ITR_INDX_MASK);
else
I40E_WRITE_REG(hw,
I40E_PFINT_DYN_CTLN(msix_intr -
I40E_RX_VEC_START),
I40E_PFINT_DYN_CTLN_INTENA_MASK |
I40E_PFINT_DYN_CTLN_CLEARPBA_MASK |
- (0 << I40E_PFINT_DYN_CTLN_ITR_INDX_SHIFT) |
- (interval <<
- I40E_PFINT_DYN_CTLN_INTERVAL_SHIFT));
+ I40E_PFINT_DYN_CTLN_ITR_INDX_MASK);
I40E_WRITE_FLUSH(hw);
rte_intr_enable(&pci_dev->intr_handle);
@@ -11157,12 +11153,13 @@ i40e_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
msix_intr = intr_handle->intr_vec[queue_id];
if (msix_intr == I40E_MISC_VEC_ID)
- I40E_WRITE_REG(hw, I40E_PFINT_DYN_CTL0, 0);
+ I40E_WRITE_REG(hw, I40E_PFINT_DYN_CTL0,
+ I40E_PFINT_DYN_CTL0_ITR_INDX_MASK);
else
I40E_WRITE_REG(hw,
I40E_PFINT_DYN_CTLN(msix_intr -
I40E_RX_VEC_START),
- 0);
+ I40E_PFINT_DYN_CTLN_ITR_INDX_MASK);
I40E_WRITE_FLUSH(hw);
return 0;
--
2.5.5
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