upper_level 1891 include/linux/netdevice.h unsigned char upper_level; upper_level 6957 net/core/dev.c if (max_depth < udev->upper_level) upper_level 6958 net/core/dev.c max_depth = udev->upper_level; upper_level 6986 net/core/dev.c dev->upper_level = __netdev_upper_depth(dev) + 1; upper_level 7294 net/core/dev.c if ((dev->lower_level + upper_dev->upper_level) > MAX_NEST_DEV) upper_level 9521 net/core/dev.c dev->upper_level = 1;