[ovs-dev] [PATCH v3 0/3] Introduce check_pkt_larger for ingress traffic

Lorenzo Bianconi lorenzo.bianconi at redhat.com
Fri Jun 11 14:31:52 UTC 2021

In the current codebase, check_pkt_larger is applied just for traffic
leaving the ovn cluster. This series introduces the same capability
for traffic entering the network from a gateway router or distributed
gateway router port in order to send an ICMP error packet if the frame
size is greater than the configured MTU.
DDLog suport is currently missing and it will be added in a dedicated

Changes since v2:
- squash gw router and distributed gw router tests
- fix typos

Changes since v1:
- drop router pipeline rearrangement
- refer to check_pkt_larger instead of check_pkt_len

Lorenzo Bianconi (3):
  northd: introduce build_check_pkt_len_flows_for_lrp routine
  northd: enable check_pkt_larger for gw router
  northd: add check_pkt_larger lflows for ingress traffic

 northd/ovn-northd.c | 240 +++++++++++++++++++++++++++-----------------
 tests/ovn.at        | 182 ++++++++++++++++++++++++++++++++-
 2 files changed, 325 insertions(+), 97 deletions(-)


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