diff options
Diffstat (limited to 'dpdk/dpdk-17.05_patches/0001-Revert-net-virtio-remove-redundant-MSI-X-detection.patch')
-rw-r--r-- | dpdk/dpdk-17.05_patches/0001-Revert-net-virtio-remove-redundant-MSI-X-detection.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/dpdk/dpdk-17.05_patches/0001-Revert-net-virtio-remove-redundant-MSI-X-detection.patch b/dpdk/dpdk-17.05_patches/0001-Revert-net-virtio-remove-redundant-MSI-X-detection.patch deleted file mode 100644 index 28dc68dd5f0..00000000000 --- a/dpdk/dpdk-17.05_patches/0001-Revert-net-virtio-remove-redundant-MSI-X-detection.patch +++ /dev/null @@ -1,58 +0,0 @@ -From 3a1470e031ff33ac99da33b41dae0e9082d4da78 Mon Sep 17 00:00:00 2001 -From: Damjan Marion <damarion@cisco.com> -Date: Mon, 15 May 2017 12:27:37 +0200 -Subject: [PATCH] Revert "net/virtio: remove redundant MSI-X detection" - -This reverts commit ee1843bd89076c59e50cadbef5c935613f543765. ---- - drivers/net/virtio/virtio_pci.c | 27 +++++++++++++++++++++++++++ - 1 file changed, 27 insertions(+) - -diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c -index b7b3d6157..127f25791 100644 ---- a/drivers/net/virtio/virtio_pci.c -+++ b/drivers/net/virtio/virtio_pci.c -@@ -274,6 +274,32 @@ legacy_notify_queue(struct virtio_hw *hw, struct virtqueue *vq) - VIRTIO_PCI_QUEUE_NOTIFY); - } - -+#ifdef RTE_EXEC_ENV_LINUXAPP -+static int -+legacy_virtio_has_msix(const struct rte_pci_addr *loc) -+{ -+ DIR *d; -+ char dirname[PATH_MAX]; -+ -+ snprintf(dirname, sizeof(dirname), -+ "%s/" PCI_PRI_FMT "/msi_irqs", pci_get_sysfs_path(), -+ loc->domain, loc->bus, loc->devid, loc->function); -+ -+ d = opendir(dirname); -+ if (d) -+ closedir(d); -+ -+ return d != NULL; -+} -+#else -+static int -+legacy_virtio_has_msix(const struct rte_pci_addr *loc __rte_unused) -+{ -+ /* nic_uio does not enable interrupts, return 0 (false). */ -+ return 0; -+} -+#endif -+ - const struct virtio_pci_ops legacy_ops = { - .read_dev_cfg = legacy_read_dev_config, - .write_dev_cfg = legacy_write_dev_config, -@@ -694,6 +720,7 @@ vtpci_init(struct rte_pci_device *dev, struct virtio_hw *hw) - } - - virtio_hw_internal[hw->port_id].vtpci_ops = &legacy_ops; -+ hw->use_msix = legacy_virtio_has_msix(&dev->addr); - hw->modern = 0; - - return 0; --- -2.11.0 - |