This series is a prerequisite for COLO, here we add each netdev a default buffer filter, it is disabled by default, and has no side effect for delivering packets in net layer.
Besides, patch 1 fixes the ouput information of 'info network' command for filter. zhanghailiang (7): net/filter: Fix the output information for command 'info network' net/filter: Add a 'status' property for filter object net/filter: Skip the disabled filter when delivering packets net/filter: Introduce a helper to add a filter to the netdev filter-buffer: Accept zero interval net/filter: Add a default filter to each netdev net/filter: prevent the default filter to be deleted include/net/filter.h | 25 +++++++- net/dump.c | 2 - net/filter-buffer.c | 10 ---- net/filter.c | 163 +++++++++++++++++++++++++++++++++++++++++++++------ net/net.c | 27 ++++++++- 5 files changed, 194 insertions(+), 33 deletions(-) -- 1.8.3.1