[ovs-dev] [PATCH v2 0/8] Add offload support for sFlow
Chris Mi
cmi at nvidia.com
Mon Sep 14 12:07:37 UTC 2020
This patch set adds offload support for sFlow.
Psample is a genetlink channel for packet sampling. TC action act_sample
uses psample to send sampled packets to userspace.
When offloading sample action to TC, userspace creates a unique ID to
map sFlow action and tunnel info and passes this ID to kernel instead
of the sFlow info. psample will send this ID and sampled packet to
userspace. Using the ID, userspace can recover the sFlow info and send
sampled packet to the right sFlow monitoring host.
v2-v1:
- Fix robot errors.
Chris Mi (8):
ovs-kmod-ctl: Load kernel module psample
dpif-netlink: Create psample netlink socket
netdev-offload: Introduce sFlow attributes query by group ID API
dpif: Introduce psample offload API
dpif-netlink: Implement psample offload API
ofproto: Add psample receive handler
netdev-offload-tc: Introduce group ID management API
netdev-offload-tc: Add offload support for sFlow
lib/dpif-netdev.c | 3 +
lib/dpif-netlink.c | 178 ++++++++++++++++
lib/dpif-provider.h | 11 +
lib/dpif.c | 24 +++
lib/dpif.h | 32 +++
lib/netdev-offload-provider.h | 5 +
lib/netdev-offload-tc.c | 390 +++++++++++++++++++++++++++++++++-
lib/netdev-offload.c | 11 +
lib/netdev-offload.h | 1 +
lib/tc.c | 59 +++++
lib/tc.h | 10 +-
ofproto/ofproto-dpif-upcall.c | 78 +++++++
utilities/ovs-kmod-ctl.in | 9 +
13 files changed, 801 insertions(+), 10 deletions(-)
--
2.21.1
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