From mboxrd@z Thu Jan 1 00:00:00 1970 From: Beilei Xing Subject: [PATCH v3] net/i40e: fix issue about interrupt Date: Tue, 6 Feb 2018 13:33:31 +0800 Message-ID: <1517895211-137879-1-git-send-email-beilei.xing@intel.com> References: <1517818656-136529-1-git-send-email-beilei.xing@intel.com> Cc: dev@dpdk.org, stable@dpdk.org To: qi.z.zhang@intel.com, jingjing.wu@intel.com Return-path: In-Reply-To: <1517818656-136529-1-git-send-email-beilei.xing@intel.com> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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@dpdk.org Signed-off-by: Beilei Xing --- v3 change: - fix compile error. v2 change: - fix logical error during support multiple driver. drivers/net/i40e/i40e_ethdev.c | 25 +++++++++---------------- 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index a60fd60..06b0f03 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), @@ -1896,7 +1896,7 @@ i40e_vsi_disable_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), @@ -11114,32 +11114,24 @@ i40e_dev_get_dcb_info(struct rte_eth_dev *dev, static int i40e_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id) { - struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private); struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); struct rte_intr_handle *intr_handle = &pci_dev->intr_handle; struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private); - uint16_t interval = - i40e_calc_itr_interval(RTE_LIBRTE_I40E_ITR_INTERVAL, 1, - pf->support_multi_driver); uint16_t msix_intr; 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 +11149,13 @@ 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