pci: add flag to force unbind device

[dpdk.git] / lib / librte_eal / linuxapp / eal / eal_pci.c

diff --git a/lib/librte_eal/linuxapp/eal/eal_pci.c b/lib/librte_eal/linuxapp/eal/eal_pci.c
index 6001d32..074d7cf 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal_pci.c
+++ b/lib/librte_eal/linuxapp/eal/eal_pci.c
@@ -974,10 +974,16 @@ rte_eal_pci_probe_one_driver(struct rte_pci_driver *dr, struct rte_pci_device *d
                }
 
 #ifdef RTE_EAL_UNBIND_PORTS
-               if (dr->drv_flags & RTE_PCI_DRV_NEED_IGB_UIO)
+               if (dr->drv_flags & RTE_PCI_DRV_NEED_IGB_UIO) {
                        /* unbind driver and load uio resources for Intel NICs */
                        if (pci_switch_module(dr, dev, 1, IGB_UIO_NAME) < 0)
                                return -1;
+               } else if (dr->drv_flags & RTE_PCI_DRV_FORCE_UNBIND &&
+                          rte_eal_process_type() == RTE_PROC_PRIMARY) {
+                       /* unbind current driver */
+                       if (pci_unbind_kernel_driver(dev) < 0)
+                               return -1;
+               }
 #else
                if (dr->drv_flags & RTE_PCI_DRV_NEED_IGB_UIO)
                        /* just map resources for Intel NICs */