From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wenzhuo Lu Subject: [PATCH v2 1/4] net/i40e: fix VF RX queue interrupt enabling Date: Wed, 24 Jan 2018 16:16:50 +0800 Message-ID: <1516781813-50818-2-git-send-email-wenzhuo.lu@intel.com> References: <1516757925-3746-1-git-send-email-wenzhuo.lu@intel.com> <1516781813-50818-1-git-send-email-wenzhuo.lu@intel.com> Cc: Wenzhuo Lu , stable@dpdk.org To: dev@dpdk.org Return-path: In-Reply-To: <1516781813-50818-1-git-send-email-wenzhuo.lu@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" When using UIO, after enabling the interrupt to get the PF message, VF RX queue interrupt is not working. It's expected, as UIO doesn't support multiple interrupt. So, PMD should not try to enable RX queue interrupt. Then APP can know the RX queue interrupt is not enabled and only choose the polling mode. Fixes: ae19955e7c86 ("i40evf: support reporting PF reset") CC: stable@dpdk.org Signed-off-by: Wenzhuo Lu --- drivers/net/i40e/i40e_ethdev_vf.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c index 0cca0d3..60783f9 100644 --- a/drivers/net/i40e/i40e_ethdev_vf.c +++ b/drivers/net/i40e/i40e_ethdev_vf.c @@ -1976,7 +1976,8 @@ static int eth_i40evf_pci_remove(struct rte_pci_device *pci_dev) dev->data->nb_tx_queues); /* check and configure queue intr-vector mapping */ - if (dev->data->dev_conf.intr_conf.rxq != 0) { + if (rte_intr_cap_multiple(intr_handle) && + dev->data->dev_conf.intr_conf.rxq) { intr_vector = dev->data->nb_rx_queues; if (rte_intr_efd_enable(intr_handle, intr_vector)) return -1; -- 1.9.3