| # SPDX-License-Identifier: GPL-2.0-only | |
| config NET_DEV_REFCNT_TRACKER | |
| bool "Enable net device refcount tracking" | |
| depends on DEBUG_KERNEL && STACKTRACE_SUPPORT && NET | |
| select REF_TRACKER | |
| default n | |
| help | |
| Enable debugging feature to track device references. | |
| This adds memory and cpu costs. | |
| config NET_NS_REFCNT_TRACKER | |
| bool "Enable networking namespace refcount tracking" | |
| depends on DEBUG_KERNEL && STACKTRACE_SUPPORT && NET | |
| select REF_TRACKER | |
| default n | |
| help | |
| Enable debugging feature to track netns references. | |
| This adds memory and cpu costs. | |
| config DEBUG_NET | |
| bool "Add generic networking debug" | |
| depends on DEBUG_KERNEL && NET | |
| help | |
| Enable extra sanity checks in networking. | |
| This is mostly used by fuzzers, but is safe to select. | |
| config DEBUG_NET_SMALL_RTNL | |
| bool "Add extra per-netns mutex inside RTNL" | |
| depends on DEBUG_KERNEL && NET && LOCK_DEBUGGING_SUPPORT | |
| select PROVE_LOCKING | |
| default n | |
| help | |
| rtnl_lock() is being replaced with rtnl_net_lock() that | |
| acquires the global RTNL and a small per-netns RTNL mutex. | |
| During the conversion, rtnl_net_lock() just adds an extra | |
| mutex in every RTNL scope and slows down the operations. | |
| Once the conversion completes, rtnl_lock() will be removed | |
| and rtnetlink will gain per-netns scalability. |