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| author | Sam Balana <sbalana@google.com> | 2020-11-24 14:20:15 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-11-24 14:22:03 -0800 |
| commit | f90ab60a8a5ce9663a878c7cabcc4ad66922e265 (patch) | |
| tree | 8f1de88305c0f8fdf4cd70a9479adbee42f7ccd8 /pkg/tcpip/stack/nic.go | |
| parent | d492b21319676bc9a9f97b9633b3be387c0b60a5 (diff) | |
Track number of packets queued to Failed neighbors
Add a NIC-specific neighbor table statistic so we can determine how many
packets have been queued to Failed neighbors, indicating an unhealthy local
network. This change assists us to debug in-field issues where subsequent
traffic to a neighbor fails.
Fixes #4819
PiperOrigin-RevId: 344131119
Diffstat (limited to 'pkg/tcpip/stack/nic.go')
| -rw-r--r-- | pkg/tcpip/stack/nic.go | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/pkg/tcpip/stack/nic.go b/pkg/tcpip/stack/nic.go index 3e6ceff28..43696ba14 100644 --- a/pkg/tcpip/stack/nic.go +++ b/pkg/tcpip/stack/nic.go @@ -60,12 +60,14 @@ type NIC struct { } } -// NICStats includes transmitted and received stats. +// NICStats hold statistics for a NIC. type NICStats struct { Tx DirectionStats Rx DirectionStats DisabledRx DirectionStats + + Neighbor NeighborStats } func makeNICStats() NICStats { |