diff mbox series

[ovs-dev,v4,2/9] ovs-kmod-ctl: Load kernel module psample

Message ID 20200924102415.23528-3-cmi@nvidia.com
State Changes Requested
Headers show
Series Add offload support for sFlow | expand

Commit Message

Chris Mi Sept. 24, 2020, 10:24 a.m. UTC 
Load kernel module psample to receive sampled packets from TC.
Before removing kernel module psample, remove act_sample first.

Signed-off-by: Chris Mi <cmi@nvidia.com>
Reviewed-by: Eli Britstein <elibr@nvidia.com>
---
 utilities/ovs-kmod-ctl.in | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
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Patch

diff --git a/utilities/ovs-kmod-ctl.in b/utilities/ovs-kmod-ctl.in
index 19f100964..6fa945a83 100644
--- a/utilities/ovs-kmod-ctl.in
+++ b/utilities/ovs-kmod-ctl.in
@@ -28,6 +28,14 @@  for dir in "$sbindir" "$bindir" /sbin /bin /usr/sbin /usr/bin; do
 done
 
 insert_mods () {
+    # Try loading psample kernel module.
+    modinfo psample > /dev/null 2>&1
+    if test $? = 0; then
+        action "Inserting psample module" modprobe psample
+    else
+        log_warning_msg "No psample module, can't offload sFlow action"
+    fi
+
     # Try loading openvswitch kernel module.
     action "Inserting openvswitch module" modprobe openvswitch
 }
@@ -95,6 +103,12 @@  remove_kmods() {
     if test -e /sys/module/vxlan; then
         action "Forcing removal of vxlan module" rmmod vxlan
     fi
+    if test -e /sys/module/act_sample; then
+        action "Forcing removal of act_sample module" rmmod act_sample
+    fi
+    if test -e /sys/module/psample; then
+        action "Forcing removal of psample module" rmmod psample
+    fi
 }
 
 usage () {