[dpdk-dev] [RFC PATCH v3 3/3] drivers/net: use unmask API in interrupt handlers
Nithin Dabilpuram
ndabilpuram at marvell.com
Tue Jul 16 18:44:24 CEST 2019
Replace rte_intr_enable() with rte_intr_unmask() API
for unmasking in interrupt handlers and rx_queue_intr_enable()
in callbacks of PMD's whose original intent was to unmask interrupts
after handling is completed if device is backed by UIO, IGB_UIO or
VFIO(with INTx).
Signed-off-by: Nithin Dabilpuram <ndabilpuram at marvell.com>
---
v3:
* Change all PMD's that use rte_intr_enable() in
rx_queue_intr_enable() or in irq handler to use
new unmask api.
drivers/net/atlantic/atl_ethdev.c | 2 +-
drivers/net/avp/avp_ethdev.c | 2 +-
drivers/net/axgbe/axgbe_ethdev.c | 4 ++--
drivers/net/bnx2x/bnx2x_ethdev.c | 2 +-
drivers/net/e1000/em_ethdev.c | 4 ++--
drivers/net/e1000/igb_ethdev.c | 6 +++---
drivers/net/fm10k/fm10k_ethdev.c | 6 +++---
drivers/net/i40e/i40e_ethdev.c | 2 +-
drivers/net/iavf/iavf_ethdev.c | 2 +-
drivers/net/ice/ice_ethdev.c | 4 ++--
drivers/net/ixgbe/ixgbe_ethdev.c | 6 +++---
drivers/net/nfp/nfp_net.c | 2 +-
drivers/net/qede/qede_ethdev.c | 8 ++++----
drivers/net/sfc/sfc_intr.c | 4 ++--
drivers/net/virtio/virtio_ethdev.c | 16 +++++++++++++++-
drivers/net/vmxnet3/vmxnet3_ethdev.c | 2 +-
16 files changed, 43 insertions(+), 29 deletions(-)
diff --git a/drivers/net/atlantic/atl_ethdev.c b/drivers/net/atlantic/atl_ethdev.c
index fdc0a7f..7d7cae1 100644
--- a/drivers/net/atlantic/atl_ethdev.c
+++ b/drivers/net/atlantic/atl_ethdev.c
@@ -1394,7 +1394,7 @@ atl_dev_interrupt_action(struct rte_eth_dev *dev,
}
done:
atl_enable_intr(dev);
- rte_intr_enable(intr_handle);
+ rte_intr_unmask(intr_handle);
return 0;
}
diff --git a/drivers/net/avp/avp_ethdev.c b/drivers/net/avp/avp_ethdev.c
index 47b96ec..268316a 100644
--- a/drivers/net/avp/avp_ethdev.c
+++ b/drivers/net/avp/avp_ethdev.c
@@ -713,7 +713,7 @@ avp_dev_interrupt_handler(void *data)
status);
/* re-enable UIO interrupt handling */
- ret = rte_intr_enable(&pci_dev->intr_handle);
+ ret = rte_intr_unmask(&pci_dev->intr_handle);
if (ret < 0) {
PMD_DRV_LOG(ERR, "Failed to re-enable UIO interrupts, ret=%d\n",
ret);
diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c
index cfb1720..e25e323 100644
--- a/drivers/net/axgbe/axgbe_ethdev.c
+++ b/drivers/net/axgbe/axgbe_ethdev.c
@@ -136,8 +136,8 @@ axgbe_dev_interrupt_handler(void *param)
DMA_CH_SR, dma_ch_isr);
}
}
- /* Enable interrupts since disabled after generation*/
- rte_intr_enable(&pdata->pci_dev->intr_handle);
+ /* Unmask interrupts since disabled after generation*/
+ rte_intr_unmask(&pdata->pci_dev->intr_handle);
}
/*
diff --git a/drivers/net/bnx2x/bnx2x_ethdev.c b/drivers/net/bnx2x/bnx2x_ethdev.c
index 10b4fdb..7ce6800 100644
--- a/drivers/net/bnx2x/bnx2x_ethdev.c
+++ b/drivers/net/bnx2x/bnx2x_ethdev.c
@@ -133,7 +133,7 @@ bnx2x_interrupt_handler(void *param)
PMD_DEBUG_PERIODIC_LOG(INFO, sc, "Interrupt handled");
bnx2x_interrupt_action(dev, 1);
- rte_intr_enable(&sc->pci_dev->intr_handle);
+ rte_intr_unmask(&sc->pci_dev->intr_handle);
}
static void bnx2x_periodic_start(void *param)
diff --git a/drivers/net/e1000/em_ethdev.c b/drivers/net/e1000/em_ethdev.c
index dc88661..7bff3d2 100644
--- a/drivers/net/e1000/em_ethdev.c
+++ b/drivers/net/e1000/em_ethdev.c
@@ -1001,7 +1001,7 @@ eth_em_rx_queue_intr_enable(struct rte_eth_dev *dev, __rte_unused uint16_t queue
struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
em_rxq_intr_enable(hw);
- rte_intr_enable(intr_handle);
+ rte_intr_unmask(intr_handle);
return 0;
}
@@ -1568,7 +1568,7 @@ eth_em_interrupt_action(struct rte_eth_dev *dev,
return -1;
intr->flags &= ~E1000_FLAG_NEED_LINK_UPDATE;
- rte_intr_enable(intr_handle);
+ rte_intr_unmask(intr_handle);
/* set get_link_status to check register later */
hw->mac.get_link_status = 1;
diff --git a/drivers/net/e1000/igb_ethdev.c b/drivers/net/e1000/igb_ethdev.c
index 3ee28cf..b8ac00d 100644
--- a/drivers/net/e1000/igb_ethdev.c
+++ b/drivers/net/e1000/igb_ethdev.c
@@ -2876,7 +2876,7 @@ eth_igb_interrupt_action(struct rte_eth_dev *dev,
}
igb_intr_enable(dev);
- rte_intr_enable(intr_handle);
+ rte_intr_unmask(intr_handle);
if (intr->flags & E1000_FLAG_NEED_LINK_UPDATE) {
intr->flags &= ~E1000_FLAG_NEED_LINK_UPDATE;
@@ -2987,7 +2987,7 @@ eth_igbvf_interrupt_action(struct rte_eth_dev *dev, struct rte_intr_handle *intr
}
igbvf_intr_enable(dev);
- rte_intr_enable(intr_handle);
+ rte_intr_unmask(intr_handle);
return 0;
}
@@ -5500,7 +5500,7 @@ eth_igb_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
E1000_WRITE_FLUSH(hw);
- rte_intr_enable(intr_handle);
+ rte_intr_unmask(intr_handle);
return 0;
}
diff --git a/drivers/net/fm10k/fm10k_ethdev.c b/drivers/net/fm10k/fm10k_ethdev.c
index a1e3836..4b30c52 100644
--- a/drivers/net/fm10k/fm10k_ethdev.c
+++ b/drivers/net/fm10k/fm10k_ethdev.c
@@ -2381,7 +2381,7 @@ fm10k_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
else
FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(pdev, queue_id)),
FM10K_ITR_AUTOMASK | FM10K_ITR_MASK_CLEAR);
- rte_intr_enable(&pdev->intr_handle);
+ rte_intr_unmask(&pdev->intr_handle);
return 0;
}
@@ -2680,7 +2680,7 @@ fm10k_dev_interrupt_handler_pf(void *param)
FM10K_WRITE_REG(hw, FM10K_ITR(0), FM10K_ITR_AUTOMASK |
FM10K_ITR_MASK_CLEAR);
/* Re-enable interrupt from host side */
- rte_intr_enable(dev->intr_handle);
+ rte_intr_unmask(dev->intr_handle);
}
/**
@@ -2760,7 +2760,7 @@ fm10k_dev_interrupt_handler_vf(void *param)
FM10K_WRITE_REG(hw, FM10K_VFITR(0), FM10K_ITR_AUTOMASK |
FM10K_ITR_MASK_CLEAR);
/* Re-enable interrupt from host side */
- rte_intr_enable(dev->intr_handle);
+ rte_intr_unmask(dev->intr_handle);
}
/* Mailbox message handler in VF */
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 2b9fc45..14af840 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -11646,7 +11646,7 @@ i40e_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
I40E_PFINT_DYN_CTLN_ITR_INDX_MASK);
I40E_WRITE_FLUSH(hw);
- rte_intr_enable(&pci_dev->intr_handle);
+ rte_intr_unmask(&pci_dev->intr_handle);
return 0;
}
diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
index 53dc05c..fe97a26 100644
--- a/drivers/net/iavf/iavf_ethdev.c
+++ b/drivers/net/iavf/iavf_ethdev.c
@@ -1098,7 +1098,7 @@ iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
IAVF_WRITE_FLUSH(hw);
- rte_intr_enable(&pci_dev->intr_handle);
+ rte_intr_unmask(&pci_dev->intr_handle);
return 0;
}
diff --git a/drivers/net/ice/ice_ethdev.c b/drivers/net/ice/ice_ethdev.c
index 9ce730c..c070f20 100644
--- a/drivers/net/ice/ice_ethdev.c
+++ b/drivers/net/ice/ice_ethdev.c
@@ -1118,7 +1118,7 @@ ice_interrupt_handler(void *param)
done:
/* Enable interrupt */
ice_pf_enable_irq0(hw);
- rte_intr_enable(dev->intr_handle);
+ rte_intr_unmask(dev->intr_handle);
}
/* Initialize SW parameters of PF */
@@ -3002,7 +3002,7 @@ static int ice_rx_queue_intr_enable(struct rte_eth_dev *dev,
val &= ~GLINT_DYN_CTL_WB_ON_ITR_M;
ICE_WRITE_REG(hw, GLINT_DYN_CTL(msix_intr), val);
- rte_intr_enable(&pci_dev->intr_handle);
+ rte_intr_unmask(&pci_dev->intr_handle);
return 0;
}
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 22c5b2c..be7472e 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -4502,7 +4502,7 @@ ixgbe_dev_interrupt_delayed_handler(void *param)
PMD_DRV_LOG(DEBUG, "enable intr in delayed handler S[%08x]", eicr);
ixgbe_enable_intr(dev);
- rte_intr_enable(intr_handle);
+ rte_intr_unmask(intr_handle);
}
/**
@@ -5763,7 +5763,7 @@ ixgbevf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
RTE_SET_USED(queue_id);
IXGBE_WRITE_REG(hw, IXGBE_VTEIMS, intr->mask);
- rte_intr_enable(intr_handle);
+ rte_intr_unmask(intr_handle);
return 0;
}
@@ -5812,7 +5812,7 @@ ixgbe_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
mask &= (1 << (queue_id - 32));
IXGBE_WRITE_REG(hw, IXGBE_EIMS_EX(1), mask);
}
- rte_intr_enable(intr_handle);
+ rte_intr_unmask(intr_handle);
return 0;
}
diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 1a7aa17..5484d31 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -1412,7 +1412,7 @@ nfp_net_irq_unmask(struct rte_eth_dev *dev)
if (hw->ctrl & NFP_NET_CFG_CTRL_MSIXAUTO) {
/* If MSI-X auto-masking is used, clear the entry */
rte_wmb();
- rte_intr_enable(&pci_dev->intr_handle);
+ rte_intr_unmask(&pci_dev->intr_handle);
} else {
/* Make sure all updates are written before un-masking */
rte_wmb();
diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
index 82363e6..6648139 100644
--- a/drivers/net/qede/qede_ethdev.c
+++ b/drivers/net/qede/qede_ethdev.c
@@ -248,8 +248,8 @@ qede_interrupt_handler_intx(void *param)
if (status & 0x1) {
qede_interrupt_action(ECORE_LEADING_HWFN(edev));
- if (rte_intr_enable(eth_dev->intr_handle))
- DP_ERR(edev, "rte_intr_enable failed\n");
+ if (rte_intr_unmask(eth_dev->intr_handle))
+ DP_ERR(edev, "rte_intr_unmask failed\n");
}
}
@@ -261,8 +261,8 @@ qede_interrupt_handler(void *param)
struct ecore_dev *edev = &qdev->edev;
qede_interrupt_action(ECORE_LEADING_HWFN(edev));
- if (rte_intr_enable(eth_dev->intr_handle))
- DP_ERR(edev, "rte_intr_enable failed\n");
+ if (rte_intr_unmask(eth_dev->intr_handle))
+ DP_ERR(edev, "rte_intr_unmask failed\n");
}
static void
diff --git a/drivers/net/sfc/sfc_intr.c b/drivers/net/sfc/sfc_intr.c
index 1f4969b..08f2057 100644
--- a/drivers/net/sfc/sfc_intr.c
+++ b/drivers/net/sfc/sfc_intr.c
@@ -79,7 +79,7 @@ sfc_intr_line_handler(void *cb_arg)
if (qmask & (1 << sa->mgmt_evq_index))
sfc_intr_handle_mgmt_evq(sa);
- if (rte_intr_enable(&pci_dev->intr_handle) != 0)
+ if (rte_intr_unmask(&pci_dev->intr_handle) != 0)
sfc_err(sa, "cannot reenable interrupts");
sfc_log_init(sa, "done");
@@ -123,7 +123,7 @@ sfc_intr_message_handler(void *cb_arg)
sfc_intr_handle_mgmt_evq(sa);
- if (rte_intr_enable(&pci_dev->intr_handle) != 0)
+ if (rte_intr_unmask(&pci_dev->intr_handle) != 0)
sfc_err(sa, "cannot reenable interrupts");
sfc_log_init(sa, "done");
diff --git a/drivers/net/virtio/virtio_ethdev.c b/drivers/net/virtio/virtio_ethdev.c
index 04aecb7..81e4a48 100644
--- a/drivers/net/virtio/virtio_ethdev.c
+++ b/drivers/net/virtio/virtio_ethdev.c
@@ -1265,6 +1265,20 @@ virtio_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
}
static int
+virtio_intr_unmask(struct rte_eth_dev *dev)
+{
+ struct virtio_hw *hw = dev->data->dev_private;
+
+ if (rte_intr_unmask(dev->intr_handle) < 0)
+ return -1;
+
+ if (!hw->virtio_user_dev)
+ hw->use_msix = vtpci_msix_detect(RTE_ETH_DEV_TO_PCI(dev));
+
+ return 0;
+}
+
+static int
virtio_intr_enable(struct rte_eth_dev *dev)
{
struct virtio_hw *hw = dev->data->dev_private;
@@ -1457,7 +1471,7 @@ virtio_interrupt_handler(void *param)
isr = vtpci_isr(hw);
PMD_DRV_LOG(INFO, "interrupt status = %#x", isr);
- if (virtio_intr_enable(dev) < 0)
+ if (virtio_intr_unmask(dev) < 0)
PMD_DRV_LOG(ERR, "interrupt enable failed");
if (isr & VIRTIO_PCI_ISR_CONFIG) {
diff --git a/drivers/net/vmxnet3/vmxnet3_ethdev.c b/drivers/net/vmxnet3/vmxnet3_ethdev.c
index 2b1e915..641c846 100644
--- a/drivers/net/vmxnet3/vmxnet3_ethdev.c
+++ b/drivers/net/vmxnet3/vmxnet3_ethdev.c
@@ -1426,7 +1426,7 @@ vmxnet3_interrupt_handler(void *param)
vmxnet3_process_events(dev);
- if (rte_intr_enable(&pci_dev->intr_handle) < 0)
+ if (rte_intr_unmask(&pci_dev->intr_handle) < 0)
PMD_DRV_LOG(ERR, "interrupt enable failed");
}
--
2.8.4
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