From: Ido Schimmel <ido...@idosch.org> Date: Sun, 11 Aug 2019 10:35:45 +0300
> From: Ido Schimmel <ido...@mellanox.com> > > So far drop monitor supported only one mode of operation in which a > summary of recent packet drops is periodically sent to user space as a > netlink event. The event only includes the drop location (program > counter) and number of drops in the last interval. > > While this mode of operation allows one to understand if the system is > dropping packets, it is not sufficient if a more detailed analysis is > required. Both the packet itself and related metadata are missing. > > This patchset extends drop monitor with another mode of operation where > the packet - potentially truncated - and metadata (e.g., drop location, > timestamp, netdev) are sent to user space as a netlink event. Thanks to > the extensible nature of netlink, more metadata can be added in the > future. ... Series applied.