net/mlx5: fix representors detection

[dpdk.git] / drivers / net / mlx5 / mlx5.c

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 78a6922..a1c0ad7 100644 (file)
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -1330,7 +1330,8 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
         * Netlink calls assuming kernel drivers are recent enough to
         * support them.
         *
-        * In the event of identification failure through Netlink, either:
+        * In the event of identification failure through Netlink, try again
+        * through sysfs, then either:
         *
         * 1. No device matches (n == 0), complain and bail out.
         * 2. A single IB device matches (n == 1) and is not a representor,
@@ -1349,7 +1350,9 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
                if (nl_route < 0 ||
                    !list[i].ifindex ||
                    mlx5_nl_switch_info(nl_route, list[i].ifindex,
-                                       &list[i].info)) {
+                                       &list[i].info) ||
+                   ((!list[i].info.representor && !list[i].info.master) &&
+                    mlx5_sysfs_switch_info(list[i].ifindex, &list[i].info))) {
                        list[i].ifindex = 0;
                        memset(&list[i].info, 0, sizeof(list[i].info));
                        continue;